ccrtp-2.0.6/0000755000175000017500000000000012153105267007635 500000000000000ccrtp-2.0.6/demo/0000755000175000017500000000000012153105267010561 500000000000000ccrtp-2.0.6/demo/ccsrtptest.cpp0000664000175000017500000002571211767643350013426 00000000000000// test ccRTP functionality // Copyright (C) 2004 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #include #include #include #include #include #include #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif // Select one of SrtpEncryptionAESF8, SrtpEncryptionAESCM, SrtpEncryptionTWOCM, SrtpEncryptionTWOF8 // per RFC 3711 standard is: SrtpEncryptionAESCM static int cryptoAlgo = SrtpEncryptionAESCM; inline int hex_char_to_nibble(uint8_t c) { switch(c) { case ('0'): return 0x0; case ('1'): return 0x1; case ('2'): return 0x2; case ('3'): return 0x3; case ('4'): return 0x4; case ('5'): return 0x5; case ('6'): return 0x6; case ('7'): return 0x7; case ('8'): return 0x8; case ('9'): return 0x9; case ('a'): return 0xa; case ('A'): return 0xa; case ('b'): return 0xb; case ('B'): return 0xb; case ('c'): return 0xc; case ('C'): return 0xc; case ('d'): return 0xd; case ('D'): return 0xd; case ('e'): return 0xe; case ('E'): return 0xe; case ('f'): return 0xf; case ('F'): return 0xf; default: return -1; /* this flags an error */ } /* NOTREACHED */ return -1; /* this keeps compilers from complaining */ } /* * hex_string_to_octet_string converts a hexadecimal string * of length 2 * len to a raw octet string of length len */ int hex_string_to_octet_string(char *raw, char *hex, int len) { uint8 x; int tmp; int hex_len; hex_len = 0; while (hex_len < len) { tmp = hex_char_to_nibble(hex[0]); if (tmp == -1) return hex_len; x = (tmp << 4); hex_len++; tmp = hex_char_to_nibble(hex[1]); if (tmp == -1) return hex_len; x |= (tmp & 0xff); hex_len++; *raw++ = x; hex += 2; } return hex_len; } class PacketsPattern { public: inline const InetHostAddress& getDestinationAddress() const { return destinationAddress; } inline const tpport_t getDestinationPort() const { return destinationPort; } uint32 getPacketsNumber() const { return packetsNumber; } uint32 getSsrc() const { return 0xdeadbeef; } const unsigned char* getPacketData(uint32 i) { return data; } const size_t getPacketSize(uint32 i) { return packetsSize; } private: static const InetHostAddress destinationAddress; static const uint16 destinationPort = 5002; static const uint32 packetsNumber = 10; static const uint32 packetsSize = 12; static unsigned char data[]; }; const InetHostAddress PacketsPattern::destinationAddress = InetHostAddress("localhost"); unsigned char PacketsPattern::data[] = { "0123456789\n" }; PacketsPattern pattern; static char* fixKey = (char *)"c2479f224b21c2008deea6ef0e5dbd4a761aef98e7ebf8eed405986c4687"; // static uint8* masterKey = (uint8*)"masterKeymasterKeymasterKeymaster"; // static uint8* masterSalt = (uint8*)"NaClNaClNaClNa"; uint8 masterKey[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }; uint8 masterSalt[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d }; static uint8 binKeys[60]; class SendPacketTransmissionTest: public Thread, public TimerPort { public: void run() { doTest(); } int doTest() { // should be valid? //RTPSession tx(); RTPSession tx(pattern.getSsrc(), InetHostAddress("localhost")); tx.setSchedulingTimeout(10000); tx.setExpireTimeout(1000000); CryptoContext* txCryptoCtx = new CryptoContext(pattern.getSsrc(), 0, // roc, 0L, // keydr << 48, cryptoAlgo, // encryption algo SrtpAuthenticationSha1Hmac, // authtication algo masterKey, // Master Key 128 / 8, // Master Key length masterSalt, // Master Salt 112 / 8, // Master Salt length 128 / 8, // encryption keyl 160 / 8, // authentication key len (SHA1)) 112 / 8, // session salt len 80 / 8); // authentication tag len txCryptoCtx->deriveSrtpKeys(0); tx.setOutQueueCryptoContext(txCryptoCtx); CryptoContextCtrl* txCryptoCtxCtrl = new CryptoContextCtrl(0, cryptoAlgo, // encryption algo SrtpAuthenticationSha1Hmac, // authtication algo masterKey, // Master Key 128 / 8, // Master Key length masterSalt, // Master Salt 112 / 8, // Master Salt length 128 / 8, // encryption keyl 160 / 8, // authentication key len (SHA1)) 112 / 8, // session salt len 80 / 8); // authentication tag len tx.setOutQueueCryptoContextCtrl(txCryptoCtxCtrl); tx.startRunning(); tx.setPayloadFormat(StaticPayloadFormat(sptPCMU)); if (!tx.addDestination(pattern.getDestinationAddress(), pattern.getDestinationPort()) ) { return 1; } // 50 packets per second (packet duration of 20ms) uint32 period = 20; uint16 inc = tx.getCurrentRTPClockRate()/50; TimerPort::setTimer(period); for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) { tx.putData(i*inc, pattern.getPacketData(i), pattern.getPacketSize(i)); cout << "Sent some data: " << i << endl; Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(period); } return 0; } }; class RecvPacketTransmissionTest: public Thread { public: void run() { doTest(); } int doTest() { RTPSession rx(pattern.getSsrc(), pattern.getDestinationAddress(), pattern.getDestinationPort()); rx.setSchedulingTimeout(10000); rx.setExpireTimeout(1000000); CryptoContext* rxCryptoCtx = new CryptoContext(0, // SSRC == 0 -> Context template 0, // roc, 0L, // keydr << 48, cryptoAlgo, // encryption algo SrtpAuthenticationSha1Hmac, // authtication algo masterKey, // Master Key 128 / 8, // Master Key length masterSalt, // Master Salt 112 / 8, // Master Salt length 128 / 8, // encryption keyl 160 / 8, // authentication keylen (SHA1)) 112 / 8, // session salt len 80 / 8); // authentication tag len rx.setInQueueCryptoContext(rxCryptoCtx); CryptoContextCtrl* rxCryptoCtxCtrl = new CryptoContextCtrl(0, cryptoAlgo, // encryption algo SrtpAuthenticationSha1Hmac, // authtication algo masterKey, // Master Key 128 / 8, // Master Key length masterSalt, // Master Salt 112 / 8, // Master Salt length 128 / 8, // encryption keyl 160 / 8, // authentication key len (SHA1)) 112 / 8, // session salt len 80 / 8); // authentication tag len rx.setInQueueCryptoContextCtrl(rxCryptoCtxCtrl); rx.startRunning(); rx.setPayloadFormat(StaticPayloadFormat(sptPCMU)); // arbitrary number of loops for ( int i = 0; i < 500 ; i++ ) { const AppDataUnit* adu; while ( (adu = rx.getData(rx.getFirstTimestamp())) ) { cerr << "got some data: " << adu->getData() << endl; delete adu; } Thread::sleep(70); } return 0; } }; int main(int argc, char *argv[]) { int result = 0; bool send = false; bool recv = false; bool f8Test = false; char* inputKey = NULL; char *args = *argv++; while(NULL != (args = *argv++)) { if(*args == '-') ++args; if(!strcmp(args, "r") || !strcmp(args, "recv")) recv = true; else if(!strcmp(args, "s") || !strcmp(args, "send")) send = true; else if(!strcmp(args, "8") || !strcmp(args, "8test")) f8Test = true; else if(!strcmp(args, "k") || !strcmp(args, "key")) inputKey = *argv++; else fprintf(stderr, "*** ccsrtptest: %s: unknown option\n", args); } if (inputKey == NULL) { inputKey = fixKey; } hex_string_to_octet_string((char*)binKeys, inputKey, 60); if (send || recv) { if (send) { cout << "Running as sender" << endl; } else { cout << "Running as receiver" << endl; } } else if (f8Test) { cout << "Running F8 test: "; int ret = testF8(); cout << ret << endl; exit(ret); } RecvPacketTransmissionTest *rx; SendPacketTransmissionTest *tx; // accept as parameter if must run as -s, -r, -8 // run several tests in parallel threads if (send) { tx = new SendPacketTransmissionTest(); tx->start(); tx->join(); } else if (recv) { rx = new RecvPacketTransmissionTest(); rx->start(); rx->join(); } exit(result); } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/rtpsend.cpp0000664000175000017500000000536211767643350012706 00000000000000// rtpsend // Send RTP packets using ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #include #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif /** * @brief This class sends an RTP Packet **/ class Sender: public RTPSession, public TimerPort { public: Sender(const unsigned char* data, const InetHostAddress& ia, tpport_t port, uint32 tstamp, uint16 count) : RTPSession(InetHostAddress("0.0.0.0")), packetsPerSecond(10) { uint32 timestamp = tstamp? tstamp : 0; cout << "My SSRC identifier is: " << hex << (int)getLocalSSRC() << endl; defaultApplication().setSDESItem(SDESItemTypeTOOL, "rtpsend demo app."); setSchedulingTimeout(10000); setExpireTimeout(1000000); if ( !addDestination(ia,port) ) { cerr << "Could not connect" << endl; exit(); } setPayloadFormat(StaticPayloadFormat(sptPCMU)); startRunning(); uint16 tstampInc = getCurrentRTPClockRate()/packetsPerSecond; uint32 period = 1000/packetsPerSecond; TimerPort::setTimer(period); for ( int i = 0; i < count ; i++ ) { putData(timestamp + i*tstampInc, data,strlen((char *)data) + 1); Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(period); } } private: const uint16 packetsPerSecond; }; int main(int argc, char *argv[]) { cout << "rtpsend..." << endl; if (argc != 6) { cerr << "Syntax: " << "data host port timestamp count" << endl; exit(1); } Sender sender((unsigned char *)argv[1], InetHostAddress(argv[2]), atoi(argv[3]), atoi(argv[4]), atoi(argv[5])); cout << "I have sent " << argv[5] << " RTP packets containing \"" << argv[1] << "\", with timestamp " << argv[4] << " to " << argv[2] << ":" << argv[3] << endl; return 0; } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/Makefile.am0000664000175000017500000000326411767643350012556 00000000000000# Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2010 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. AUTOMAKE_OPTIONS = no-dependencies dist-shar LT_VERSION=@LT_CCXX_VERSION@ #ignored for programs #$(LT_VERSION) -release $(LT_RELEASE) AM_CXXFLAGS = @WARN_FLAGS@ -I$(top_srcdir)/src -I$(top_srcdir)/src/ccrtp ccxxincludedir=$(includedir)/cc++ if SRTP_GCRYPT srtp_src = ccsrtptest ccsrtptest_SOURCES = ccsrtptest.cpp ccsrtptest_LDFLAGS = ../src/libccrtp.la @GNULIBS@ endif if SRTP_OPENSSL srtp_src = ccsrtptest ccsrtptest_SOURCES = ccsrtptest.cpp ccsrtptest_LDFLAGS = ../src/libccrtp.la @GNULIBS@ endif noinst_PROGRAMS = rtpsend rtplisten rtphello rtpduphello audiorx audiotx \ ccrtptest $(srtp_src) rtpsend_SOURCES = rtpsend.cpp rtpsend_LDFLAGS = ../src/libccrtp.la @GNULIBS@ rtplisten_SOURCES = rtplisten.cpp rtplisten_LDFLAGS = ../src/libccrtp.la @GNULIBS@ rtphello_SOURCES = rtphello.cpp rtphello_LDFLAGS = ../src/libccrtp.la @GNULIBS@ rtpduphello_SOURCES = rtpduphello.cpp rtpduphello_LDFLAGS = ../src/libccrtp.la @GNULIBS@ audiorx_SOURCES = audiorx.cpp audio.h audiorx_LDFLAGS = ../src/libccrtp.la @GNULIBS@ audiotx_SOURCES = audiotx.cpp audiotx_LDFLAGS = ../src/libccrtp.la @GNULIBS@ ccrtptest_SOURCES = ccrtptest.cpp ccrtptest_LDFLAGS = ../src/libccrtp.la @GNULIBS@ ccrtp-2.0.6/demo/README0000664000175000017500000000104311767643350011373 00000000000000 This directory includes example programs intended for testing and illustrating features of ccRTP: * rpthello: illustrates transmission/reception of RTP packets using the RTPSession class. * rtpsend: sends RTP/RTCP packets * rtplisten: waits for RTP/RTCP incoming packets * rtpduphello: illustrates transmission/reception of RTP packets using RTPDuplex * ccrtptest: this is not really a demo program, it performs a number of tests over some core functionality as well as some tricky aspects in order to check that ccRTP works well. ccrtp-2.0.6/demo/Makefile.in0000644000175000017500000005076312153104761012557 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2010 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ pdf pdf-am ps ps-am tags uninstall uninstall-am # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: ccrtp-2.0.6/demo/rtphello.cpp0000664000175000017500000001755211767643350013064 00000000000000// rtphello // A very simple program for testing and illustrating basic features of ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // This is an introductory example file that illustrates basic usage // of ccRTP. You will also see a bit on how to use other classes from // CommonC++. // I am a typical hello world program. I consist of a sender thread, // that sends the salutation message on RTP packets; and a receiver // thread, that prints the messages. This is a program with an unsual // structure, the receiver just tries to process the first available // packet periodically, and both are in the same program. Thus, it // should not be seen as an example for typical applications but as a // test of some functions of ccRTP. #include #include // In order to use ccRTP, the RTP stack of CommonC++, just include... #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif // base ports const int RECEIVER_BASE = 33634; const int TRANSMITTER_BASE = 32522; // For this example, this is irrelevant. //const int TIMESTAMP_RATE = 90000; /** * @class ccRTP_Hello_Rx * Receiver of salutes. */ class ccRTP_Hello_Rx: public Thread { private: // socket to receive packets RTPSession *socket; // loopback network address InetHostAddress local_ip; // identifier of this sender uint32 ssrc; public: ccRTP_Hello_Rx(){ // Before using ccRTP you should learn something about other // CommonC++ classes. We need InetHostAddress... // Construct loopback address local_ip = "127.0.0.1"; // Is that correct? if( ! local_ip ){ // this is equivalent to `! local_ip.isInetAddress()' cerr << "Rx: IP address is not correct!" << endl; exit(); } // create socket for RTP connection and get a random // SSRC identifier socket = new RTPSession(local_ip,RECEIVER_BASE); ssrc = socket->getLocalSSRC(); } ~ccRTP_Hello_Rx(){ cout << endl << "Destroying receiver -ID: " << hex << (int)ssrc; terminate(); delete socket; cout << "... " << "destroyed."; } // This method does almost everything. void run(void){ cout << "Hello, " << defaultApplication(). getSDESItem(SDESItemTypeCNAME) << " ..." << endl; // redefined from Thread. // Set up connection socket->setSchedulingTimeout(20000); socket->setExpireTimeout(3000000); //socket->UDPTransmit::setTypeOfService(SOCKET_IPTOS_LOWDELAY); if( !socket->addDestination(local_ip,TRANSMITTER_BASE) ) cerr << "Rx (" << hex << (int)ssrc << "): could not connect to port." << TRANSMITTER_BASE; cout << "Rx (" << hex << (int)ssrc << "): " << local_ip.getHostname() << " is waiting for salutes in port " << RECEIVER_BASE << "..." << endl; socket->setPayloadFormat(StaticPayloadFormat(sptMP2T)); socket->startRunning(); // Let's check the queues (you should read the documentation // so that you know what the queues are for). cout << "Rx (" << hex << (int)ssrc << "): The queue is " << ( socket->isActive() ? "" : "in") << "active." << endl; // This is the main loop, where packets are received. for( int i = 0 ; true ; i++ ){ // Wait for an RTP packet. const AppDataUnit *adu = NULL; while ( NULL == adu ) { Thread::sleep(10); adu = socket->getData(socket->getFirstTimestamp()); } // Print content (likely a salute :)) // Note we are sure the data is an asciiz string. time_t receiving_time = time(NULL); char tmstring[30]; strftime(tmstring,30,"%X",localtime(&receiving_time)); cout << "Rx (" << hex << (int)ssrc << "): [receiving at " << tmstring << "]: " << adu->getData() << endl; delete adu; } } }; /** * @class ccRTP_Hello_Tx * Transmitter of salutes. */ class ccRTP_Hello_Tx: public Thread, public TimerPort { private: // socket to transmit RTPSession *socket; // loopback network address InetHostAddress local_ip; // identifier of this sender uint32 ssrc; public: ccRTP_Hello_Tx(){ // Before using ccRTP you should learn something about other // CommonC++ classes. We need InetHostAddress... // Construct loopback address local_ip = "127.0.0.1"; // Is that correct? if( ! local_ip ){ // this is equivalent to `! local_ip.isInetAddress()' cerr << "Tx: IP address is not correct!" << endl; exit(); } socket = new RTPSession(local_ip,TRANSMITTER_BASE); ssrc = socket->getLocalSSRC(); } ~ccRTP_Hello_Tx(){ cout << endl << "Destroying transmitter -ID: " << hex << (int)ssrc; terminate(); delete socket; cout << "... " << "destroyed."; } // This method does almost everything. void run(void){ // redefined from Thread. cout << "Tx (" << hex << (int)ssrc << "): " << local_ip.getHostname() << " is going to salute perself through " << local_ip << "..." << endl; // Set up connection socket->setSchedulingTimeout(20000); socket->setExpireTimeout(3000000); if( !socket->addDestination(local_ip,RECEIVER_BASE) ) cerr << "Tx (" << hex << (int)ssrc << "): could not connect to port." << RECEIVER_BASE; cout << "Tx (" << hex << (int)ssrc << "): Transmitting salutes to port " << RECEIVER_BASE << "..." << endl; uint32 timestamp = 0; // This will be useful for periodic execution TimerPort::setTimer(1000); // This is the main loop, where packets are sent. socket->setPayloadFormat(StaticPayloadFormat(sptMP2T)); socket->startRunning(); // Let's check the queues (you should read the documentation // so that you know what the queues are for). cout << "Tx (" << hex << (int)ssrc << "): The queue is " << ( socket->isActive()? "" : "in") << "active." << endl; for( int i = 0 ; true ;i++ ){ // send RTP packets, providing timestamp, // payload type and payload. // construct salute. unsigned char salute[50]; snprintf((char *)salute,50, "Hello, brave gnu world (#%u)!",i); time_t sending_time = time(NULL); // get timestamp to send salute if ( 0 == i ){ timestamp = socket->getCurrentTimestamp(); } else { // increment for 1 second timestamp += socket->getCurrentRTPClockRate(); } socket->putData(timestamp,salute, strlen((char *)salute)+1); // print info char tmstring[30]; strftime(tmstring,30,"%X", localtime(&sending_time)); cout << "Tx (" << hex << (int)ssrc << "): sending salute " << "no " << dec << i << ", at " << tmstring << "..." << endl; // Let's wait for the next cycle Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(1000); } } }; int main(int argc, char *argv[]) { // Construct the two main threads. they will not run yet. ccRTP_Hello_Rx *receiver = new ccRTP_Hello_Rx; ccRTP_Hello_Tx *transmitter = new ccRTP_Hello_Tx; cout << "This is rtphello, a very simple test program for ccRTP." << endl << "Strike [Enter] when you are fed up with it." << endl; // Start execution of hello now. receiver->start(); transmitter->start(); cin.get(); delete transmitter; delete receiver; cout << endl << "That's all." << endl; return 0; } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/demo/ccrtptest.cpp0000664000175000017500000001646111767643350013244 00000000000000// test ccRTP functionality // Copyright (C) 2004 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #include #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif class PacketsPattern { public: inline const InetHostAddress& getDestinationAddress() const { return destinationAddress; } inline const tpport_t getDestinationPort() const { return destinationPort; } uint32 getPacketsNumber() const { return packetsNumber; } const unsigned char* getPacketData(uint32 i) { return data; } const size_t getPacketSize(uint32 i) { return packetsSize; } private: static const InetHostAddress destinationAddress; static const uint16 destinationPort = 34566; static const uint32 packetsNumber = 100; static const uint32 packetsSize = 100; static unsigned char data[65535]; }; const InetHostAddress PacketsPattern::destinationAddress = InetHostAddress("localhost"); unsigned char PacketsPattern::data[65535]; PacketsPattern pattern; class Test { public: virtual int doTest() = 0; }; class SendPacketTransmissionTest : public Test, public Thread, public TimerPort { public: void run() { doTest(); } int doTest() { // should be valid? //RTPSession tx(); RTPSession tx(InetHostAddress("localhost")); tx.setSchedulingTimeout(10000); tx.setExpireTimeout(1000000); tx.startRunning(); tx.setPayloadFormat(StaticPayloadFormat(sptPCMU)); if ( !tx.addDestination(pattern.getDestinationAddress(), pattern.getDestinationPort()) ) { return 1; } // 50 packets per second (packet duration of 20ms) uint32 period = 20; uint16 inc = tx.getCurrentRTPClockRate()/50; TimerPort::setTimer(period); for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) { tx.putData(i*inc, pattern.getPacketData(i), pattern.getPacketSize(i)); Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(period); } return 0; } }; class RecvPacketTransmissionTest : public Test, public Thread { public: void run() { doTest(); } int doTest() { RTPSession rx(pattern.getDestinationAddress(), pattern.getDestinationPort()); rx.setSchedulingTimeout(10000); rx.setExpireTimeout(1000000); rx.startRunning(); rx.setPayloadFormat(StaticPayloadFormat(sptPCMU)); // arbitrary number of loops for ( int i = 0; i < 500 ; i++ ) { const AppDataUnit* adu; while ( (adu = rx.getData(rx.getFirstTimestamp())) ) { delete adu; } Thread::sleep(7); } return 0; } }; class MiscTest : public Test, public Thread, public TimerPort { void run() { doTest(); } int doTest() { const uint32 NSESSIONS = 10; RTPSession rx(pattern.getDestinationAddress(),pattern.getDestinationPort()); RTPSession **tx = new RTPSession* [NSESSIONS]; for ( uint32 i = 0; i < NSESSIONS; i++ ) { tx[i] = new RTPSession(InetHostAddress("localhost")); } for ( uint32 i = 0; i < NSESSIONS; i++) { tx[i]->setSchedulingTimeout(10000); tx[i]->setExpireTimeout(1000000); tx[i]->setPayloadFormat(StaticPayloadFormat(sptPCMU)); if ( !tx[i]->addDestination(pattern.getDestinationAddress(), pattern.getDestinationPort()) ) { return 1; } } rx.setPayloadFormat(StaticPayloadFormat(sptPCMU)); rx.setSchedulingTimeout(5000); rx.setExpireTimeout(10000000); // 10 seconds! rx.startRunning(); for ( uint32 i = 0; i < NSESSIONS; i++) { tx[i]->startRunning(); } uint32 period = 20; TimerPort::setTimer(period); for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) { if ( i == 70 ) { RTPApplication &app = defaultApplication(); app.setSDESItem(SDESItemTypeCNAME,"foo@bar"); } for ( uint32 s = 0; s < NSESSIONS; s++) { // 50 packets per second (packet duration of 20ms) uint16 inc = tx[s]->getCurrentRTPClockRate()/50; tx[s]->putData(i*inc, pattern.getPacketData(i), pattern.getPacketSize(i)); } Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(period); } Thread::sleep(5000); for ( uint32 i = 0; i < NSESSIONS; i++ ) { delete tx[i]; } RTPSession::SyncSourcesIterator it; cout << "Sources of synchronization:" << endl; for (it = rx.begin() ; it != rx.end(); it++) { const SyncSource &s = *it; cout << s.getID(); if ( s.isSender() ) cout << " (sender) "; cout << s.getNetworkAddress() << ":" << s.getControlTransportPort() << "/" << s.getDataTransportPort(); Participant *p = s.getParticipant(); cout << " (" << p->getSDESItem(SDESItemTypeCNAME) << ") " << endl; } RTPApplication &app = defaultApplication(); RTPApplication::ParticipantsIterator ai; cout << "Participants:" << endl; for ( ai = app.begin(); ai != app.end(); ai++ ) { const Participant &p = *ai; cout << p.getSDESItem(SDESItemTypeCNAME) << endl; //cout << p.getPRIVPrefix(); } delete tx; return 0; } }; // class TestPacketHeaders { } // header extension // class TestRTCPTransmission { } // class TestMiscellaneous { } // Things that should be tested: // extreme values (0 - big) for putData // segmentation (setMaxSendSegmentSize()) // performance: packets/second (depending on packet size and # of participants) int main(int argc, char *argv[]) { int result = 0; bool send = false; bool recv = false; RecvPacketTransmissionTest *rx; SendPacketTransmissionTest *tx; // accept as parameter if must run as --send or --recv // run several tests in parallel threads if ( send ) { tx = new SendPacketTransmissionTest(); tx->start(); tx->join(); } else if ( recv ) { rx = new RecvPacketTransmissionTest(); rx->start(); rx->join(); } else { MiscTest m; m.start(); m.join(); } exit(result); } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/audio.h0000664000175000017500000000302211767643350011764 00000000000000// Common header for audiorx/audiotx. // A simple and amusing application for testing basic features of ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA /** file audio.h * Common header for audiorx and audiotx. */ // audiorx and audiotx are, respectively, the transmitter and receiver of // a simple application for testing ccRTP with audio. It aims to // transmit/receive \mu-law encoded audio on RTP packets. // UDP/RTP ports const int RECEIVER_BASE = 22222; const int TRANSMITTER_BASE = 33334; // We will sample at 8 Khz using \mu-law encoding const int SAMPLING_RATE = 8000; // Transmission interval between consecutive packets. // Ideally, the interval should be 20 milliseconds const int PERIOD = 20; // Packets are 8000*20/1000 = 160 octects long. const int PACKET_SIZE=SAMPLING_RATE*PERIOD/1000; ccrtp-2.0.6/demo/audiorx.cpp0000664000175000017500000001275211767643350012703 00000000000000// audiorx. // A simple and amusing program for testing basic features of ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // A very simple mu-law encoded audio player. // This is an introductory example file that illustrates basic usage // of ccRTP. You will also see a bit on how to use CommonC++ threads and // TimerPort. // I am a player of \mu-law encoded RTP audio packets. I // do not accept any arguments. #include #include // Some consts common to audiorx and audiotx #include // In order to use ccRTP, the RTP stack of CommonC++, you only need to // include ... #include #include using namespace COMMONCPP_NAMESPACE; using namespace std; /** * @class ccRTP_AudioReceiver * This is the class that will do almost everything. */ class ccRTP_AudioReceiver: public Thread, public TimerPort { private: // This is the file we will write to (/dev/audio) int audiooutput; // The aforementioned file will be transmitted through this socket RTPSession *socket; public: // Constructor ccRTP_AudioReceiver() { audiooutput=open("/dev/audio",O_WRONLY/*|O_NDELAY*/); if( audiooutput > 0 ) { cout << "Audio device is ready to play." << endl; }else{ cout << "I could not open /dev/audio " << endl; exit(); } socket=NULL; } // Destructor. ~ccRTP_AudioReceiver() { terminate(); delete socket; ::close(audiooutput); } // This method does almost everything. void run(void) { // redefined from Thread. // Before using ccRTP you should learn something about other // CommonC++ classes. We need InetHostAddress... // Construct loopback address InetHostAddress local_ip; local_ip = "127.0.0.1"; // Is that correct? if( ! local_ip ) { // this is equivalent to `! local_ip.isInetAddress()' cerr << ": IP address is not correct!" << endl; exit(); } cout << local_ip.getHostname() << " is going to listen to perself through " << local_ip << "..." << endl; // ____Here comes the real RTP stuff____ // Construct the RTP socket socket = new RTPSession(local_ip,RECEIVER_BASE,0); // Set up receiver's connection socket->setSchedulingTimeout(10000); if( !socket->addDestination(local_ip,TRANSMITTER_BASE) ) cerr << "The receiver could not connect."; // Let's check the queue (you should read the documentation // so that you know what the queue is for). socket->startRunning(); cout << "The RTP queue is "; if( socket->isActive() ) cout << "active." << endl; else cerr << "not active." << endl; cout << "Waiting for audio packets..." << endl; // This will be useful for periodic execution. TimerPort::setTimer(PERIOD); // This is the main loop, where packets are sent and receipt. socket->setPayloadFormat(StaticPayloadFormat(sptPCMU)); for( int i=0 ; true ; i++ ) { const AppDataUnit* adu; do { adu = socket->getData(socket->getFirstTimestamp()); if ( NULL == adu ) Thread::sleep(5); else cout << "."; }while ( (NULL == adu) || (adu->getSize() <= 0) ); // This is for buffering some packets at the // receiver side, since playing smoothly // without any reception buffer is almost // impossible. Try commenting the two lines // below, or stop transmission and continue // later: you will probably hear noise or // cracks. if (i==0) Thread::sleep(20); if(::write(audiooutput,adu->getData(),adu->getSize()) < (ssize_t)adu->getSize()) break; cout << "." << flush; // Let's wait for the next cycle Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(PERIOD); } } // end of run }; int main(int argc, char *argv[]) { cout << "This is audiorx, a simple test program for ccRTP." << endl; cout << "I am waiting for audio packets on port " << RECEIVER_BASE << "." << endl; cout << "Do you want to hear something? Run audiotx." << endl; cout << "Strike [Enter] when you are fed up. Enjoy!." << endl; // Construct the main thread. ccRTP_AudioReceiver *receiver = new ccRTP_AudioReceiver(); // Run it. receiver->start(); cin.get(); cout << endl << "That's all." << endl; delete receiver; exit(0); } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/rtplisten.cpp0000664000175000017500000001154711767643350013255 00000000000000// rtplisten // Listen for RTP packets. // Copyright (C) 2001,2002,2003,2004 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #include #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif class Listener: RTPSession { public: Listener(InetMcastAddress& ima, tpport_t port) : RTPSession(ima,port) {} Listener(InetHostAddress& ia, tpport_t port) : RTPSession(ia,port) {} void listen() { cout << "My SSRC identifier is: " << hex << (int)getLocalSSRC() << endl; defaultApplication().setSDESItem(SDESItemTypeTOOL, "rtplisten demo app."); setExpireTimeout(1000000); setPayloadFormat(StaticPayloadFormat(sptPCMU)); startRunning(); for (;;) { const AppDataUnit* adu; while ( (adu = getData(getFirstTimestamp())) ) { cerr << "I got an app. data unit - " << adu->getSize() << " payload octets (" << "pt " << (int)adu->getType() << ") from " << hex << (int)adu->getSource().getID() << "@" << dec << adu->getSource().getNetworkAddress() << ":" << adu->getSource().getDataTransportPort() << endl; delete adu; } Thread::sleep(7); } } // redefined from IncomingDataQueue void onNewSyncSource(const SyncSource& src) { cout << "* New synchronization source: " << hex << (int)src.getID() << endl; } // redefined from QueueRTCPManager void onGotSR(SyncSource& source, SendReport& SR, uint8 blocks) { RTPSession::onGotSR(source,SR,blocks); cout << "I got an SR RTCP report from " << hex << (int)source.getID() << "@" << dec << source.getNetworkAddress() << ":" << source.getControlTransportPort() << endl; } // redefined from QueueRTCPManager void onGotRR(SyncSource& source, RecvReport& RR, uint8 blocks) { RTPSession::onGotRR(source,RR,blocks); cout << "I got an RR RTCP report from " << hex << (int)source.getID() << "@" << dec << source.getNetworkAddress() << ":" << source.getControlTransportPort() << endl; } // redefined from QueueRTCPManager bool onGotSDESChunk(SyncSource& source, SDESChunk& chunk, size_t len) { bool result = RTPSession::onGotSDESChunk(source,chunk,len); cout << "I got a SDES chunk from " << hex << (int)source.getID() << "@" << dec << source.getNetworkAddress() << ":" << source.getControlTransportPort() << " (" << source.getParticipant()->getSDESItem(SDESItemTypeCNAME) << ") " << endl; return result; } void onGotGoodbye(const SyncSource& source, const std::string& reason) { cout << "I got a Goodbye packet from " << hex << (int)source.getID() << "@" << dec << source.getNetworkAddress() << ":" << source.getControlTransportPort() << endl; cout << " Goodbye reason: \"" << reason << "\"" << endl; } }; int main(int argc, char *argv[]) { cout << "rtplisten" << endl; if (argc != 3) { cerr << "Syntax: " << " ip port" << endl; exit(1); } InetMcastAddress ima; try { ima = InetMcastAddress(argv[1]); } catch (...) { } Listener *foo; tpport_t port = atoi(argv[2]); if ( ima.isInetAddress() ) { foo = new Listener(ima,port); cout << "Listening on multicast address " << ima << ":" << port << endl; } else { InetHostAddress ia(argv[1]); foo = new Listener(ia,atoi(argv[2])); cout << "Listening on unicast address " << ia << ":" << port << endl; } cout << "Press Ctrl-C to finish." << endl; foo->listen(); delete foo; return 0; } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/rtpduphello.cpp0000664000175000017500000001552311767643350013571 00000000000000// rtpduphello. // A very simple program for testing and illustrating basic features of ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // This is an introductory example file that illustrates basic usage // of ccRTP. You will also see a bit on how to use CommonC++ threads. // It is a typical hello world program. It consists of tow duplex // connections that talk each other through RTP packets. They do not // say more than a typical salutation message. They both send and // receive messages, and print the messages they receive. #include #include // In order to use ccRTP, the RTP stack of CommonC++, you only need to // include ... #include #ifdef CCXX_NAMESPACES using namespace ost; using namespace std; #endif /** * @class ccRTP_dupHello * This is the class that will do almost everything. */ class ccRTP_dupHello: public Thread { private: // There will be two duplex connections. They both will send // and receive packets. RTPDuplex *duplexA, *duplexB; public: // Destructor. ~ccRTP_dupHello() { terminate(); delete duplexA; delete duplexB; } // Constructor. ccRTP_dupHello() : duplexA(NULL), duplexB(NULL) {} // This method does almost everything. void run(void) { // redefined from Thread. // Before using ccRTP you should learn something about other // CommonC++ classes. We need InetHostAddress... // Construct loopback address InetHostAddress local_ip; local_ip = "127.0.0.1"; // Is that correct? if( ! local_ip ) { // this is equivalent to `! local_ip.isInetAddress()' cerr << ": IP address is not correct!" << endl; exit(); } cout << local_ip.getHostname() << " is going to talk to perself through " << local_ip << "..." << endl; // ____Here comes the real RTP stuff____ // Construct two RTPSocket. 22222 will be the base // port of A. 33334 will be the base port of B. const int A_BASE = 22222; const int B_BASE = 33334; duplexA = new RTPDuplex(local_ip,A_BASE,B_BASE); duplexB = new RTPDuplex(local_ip,B_BASE,A_BASE); // Set up A's connection duplexA->setSchedulingTimeout(90000); duplexA->setExpireTimeout(2500000); if( duplexA->connect(local_ip,B_BASE) < 0 ) cerr << "Duplex A could not connect."; // Set up B's connection duplexB->setSchedulingTimeout(160000); duplexB->setExpireTimeout(3500000); if( duplexB->connect(local_ip,A_BASE) < 0 ) cerr << "Duplex B could not connect."; // Let's check the queues (you should read the documentation // so that you know what the queues are for). if( duplexA->RTPDataQueue::isActive() ) cout << "The queue A is active." << endl; else cerr << "The queue A is not active." << endl; if( duplexB->RTPDataQueue::isActive() ) cout << "The queue B is active." << endl; else cerr << "The queue B is not active." << endl; cout << "Transmitting..." << endl; // This message will be sent on RTP packets, from A to // B and from B to A. unsigned char helloA[] = "Hello, brave gnu world from A!"; unsigned char helloB[] = "Hello, brave gnu world from B!"; // This is not important time_t sending_time; time_t receiving_time; char tmstring[30]; StaticPayloadFormat pf = sptMP2T; duplexA->setPayloadFormat(pf); duplexB->setPayloadFormat(pf); // This is the main loop, where packets are sent and receipt. // A and B both will send and receive packets. for( int i = 0 ; true ; i++ ) { // A and B do almost exactly the same things, // I have kept this here -out of a send/receive // method- in the interest of clarity. // A: Send an RTP packet sending_time = time(NULL); duplexA->putData(2*(i)*90000,helloA, strlen((char *)helloA)); // Tell it strftime(tmstring,30,"%X",localtime(&sending_time)); cout << "A: sending message at " << tmstring << "..." << endl; // A: Receive an RTP packet receiving_time = time(NULL); const AppDataUnit* aduA = duplexA->getData(duplexA->getFirstTimestamp()); if ( aduA ) { // Tell it strftime(tmstring,30,"%X",localtime(&receiving_time)); cout << "A:[receiving at " << tmstring << "]: " << aduA->getData() << endl; } // Wait for 0.1 seconds Thread::sleep(100); // B: Send an RTP packet sending_time = time(NULL); duplexB->putData(2*(i)*90000,helloB, strlen((char *)helloB)); // Tell it strftime(tmstring,30,"%X",localtime(&sending_time)); cout << "B: sending message at " << tmstring << "..." << endl; // B: Receive an RTP packet receiving_time = time(NULL); const AppDataUnit* aduB = duplexB->getData(duplexB->getFirstTimestamp()); if ( aduB ) { // Tell it strftime(tmstring,30,"%X",localtime(&receiving_time)); cout << "B:[receiving at " << tmstring << "]: " << aduB->getData() << endl; } Thread::sleep(1900); } } }; int main(int argc, char *argv[]) { // Construct the main thread. It will not run yet. ccRTP_dupHello *hello = new ccRTP_dupHello; cout << "This is rtpduphello, a very simple test program for ccRTP." << endl << "Strike [Enter] when you are fed up." << endl; // Start execution of hello. hello->start(); cin.get(); cout << endl << "That's all" << endl; delete hello; exit(0); } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/demo/audiotx.cpp0000664000175000017500000001343211767643350012701 00000000000000// audiotx. // A simple and amusing program for testing basic features of ccRTP. // Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // This is an introductory example file that illustrates basic usage // of ccRTP. You will also see a bit on how to use CommonC++ threads and // TimerPort. // I am a transmitter of \mu-law encoded RTP audio packets. In order // to hear what I transmit, you should be running my colleague // `audiorx'. You can give me the name of a .au file as argument. #include #include // Some consts common to audiotx and audiorx #include // In order to use ccRTP, the RTP stack of CommonC++, you only need to // include ... #include #include using namespace ost; using namespace std; // TODO: a temporary fix....just to allow building on broken platforms... #ifndef O_NDELAY #define O_NDELAY 0 #endif /** * @class ccRTP_AudioTransmitter * This is the class that will do almost everything. */ class ccRTP_AudioTransmitter: public Thread, public TimerPort { private: // This is the descriptor of the file we will read from // (commonly, /dev/audio or a .au file) int audioinput; // If we are sending a .au file bool sendingfile; // The aforementioned file will be transmitted through this socket RTPSession *socket; public: // Constructor. If it is given a file name, this thread will // transmit that file. If it is not, /dev/audio input is // transmitted ccRTP_AudioTransmitter(char *filename=(char *)"") { if( !strcmp(filename,"") ) { filename=(char *)"/dev/audio"; sendingfile = false; }else{ sendingfile = true; } audioinput=open(filename,O_RDONLY|O_NDELAY); if( audioinput >= 0 ) { cout << "Ready to transmit " << filename << "." <setSchedulingTimeout(10000); if( !socket->addDestination(local_ip,RECEIVER_BASE) ) cerr << "I could not connect."; socket->setPayloadFormat(StaticPayloadFormat(sptPCMU)); socket->startRunning(); cout << "The RTP queue service thread is "; if( socket->isActive() ) cout << "active." << endl; else cerr << "not active." << endl; cout << "Transmitting " << PACKET_SIZE << " octects long packets " << "every " << PERIOD << " milliseconds..." << endl; unsigned char buffer[PACKET_SIZE]; int count=PACKET_SIZE; // This will be useful for periodic execution TimerPort::setTimer(PERIOD); // This is the main loop, where packets are transmitted. for( int i = 0 ; (!sendingfile || count > 0) ; i++ ) { count = ::read(audioinput,buffer,PACKET_SIZE); if( count > 0 ) { // send an RTP packet, providing timestamp, // payload type and payload. socket->putData(PACKET_SIZE*i,buffer, PACKET_SIZE); } cout << "." << flush; // Let's wait for the next cycle Thread::sleep(TimerPort::getTimer()); TimerPort::incTimer(PERIOD); } cout << endl << "I have got no more data to send. " <start(); cin.get(); cout << endl << "That's all." << endl; delete transmitter; exit(0); } /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/0000755000175000017500000000000012153105267010424 500000000000000ccrtp-2.0.6/src/source.cpp0000664000175000017500000001440411767643351012370 00000000000000// Copyright (C) 2001,2002,2003,2004,2005 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file control.cpp * * @short SDESItemsHolder, RTPSource and Participant classes implementation. **/ #include "private.h" #include NAMESPACE_COMMONCPP static void findusername(std::string &username); #ifndef _MSWINDOWS_ static void findusername(std::string &username) { // LOGNAME environment var has two advantages: // 1) avoids problems of getlogin(3) and cuserid(3) // 2) unlike getpwuid, takes into account user // customization of the environment. // Try both LOGNAME and USER env. var. const char *user = Process::getEnv("LOGNAME"); if ( !user || !strcmp(user,"") ) user = Process::getEnv("USER"); if ( !user || !strcmp(user,"") ) username = Process::getUser(); if ( user ) username = user; else username = ""; } #else static void findusername(std::string &username) { unsigned long len = 0; if ( GetUserName(NULL,&len) && (len > 0) ) { char *n = new char[len]; GetUserName(n,&len); username = n; delete [] n; } else { username = ""; } } #endif // #ifndef WIN32 void SDESItemsHolder::setItem(SDESItemType item, const std::string& val) { if ( item > SDESItemTypeEND && item <= SDESItemTypeH323CADDR ) { sdesItems[item] = val; } } const std::string& SDESItemsHolder::getItem(SDESItemType type) const { if ( type > SDESItemTypeEND && type <= SDESItemTypeH323CADDR ) { return sdesItems[type]; } else return sdesItems[SDESItemTypeCNAME]; } SyncSource::SyncSource(uint32 ssrc) : state(stateUnknown), SSRC(ssrc), participant(NULL), networkAddress("0"), dataTransportPort(0), controlTransportPort(0) {} SyncSource::~SyncSource() { activeSender = false; state = statePrevalid; } Participant::Participant(const std::string& cname) : SDESItemsHolder() { SDESItemsHolder::setItem(SDESItemTypeCNAME,cname); } Participant::~Participant() {} const size_t RTPApplication::defaultParticipantsNum = 11; RTPApplication& defaultApplication() { // default application CNAME is automatically assigned. static RTPApplication defApp(""); return defApp; } RTPApplication::RTPApplication(const std::string& cname) : SDESItemsHolder(), participants( new Participant* [defaultParticipantsNum] ), firstPart(NULL), lastPart(NULL) { // guess CNAME, in the form of user@host_fqn if ( cname.length() > 0 ) SDESItemsHolder::setItem(SDESItemTypeCNAME,cname); else findCNAME(); } RTPApplication::~RTPApplication() { ParticipantLink *p; while ( NULL != firstPart ) { p = firstPart; firstPart = firstPart->getNext(); #ifdef CCXX_EXCEPTIONS try { #endif delete p; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } lastPart = NULL; #ifdef CCXX_EXCEPTIONS try { #endif delete [] participants; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } // TODO: it should be implemented using the participant iterators const Participant* RTPApplication::getParticipant(const std::string& cname) const { ParticipantLink* pl = firstPart; while ( (NULL != pl) && ( pl->getParticipant()->getSDESItem(SDESItemTypeCNAME) != cname) ) { pl = pl->getNext(); } if ( pl ) { return pl->getParticipant(); } else { return NULL; } } void RTPApplication::addParticipant(Participant& part) { ParticipantLink* pl = new ParticipantLink(part,NULL); if ( NULL == firstPart ) firstPart = lastPart = pl; else lastPart->setNext(pl); lastPart = pl; } void RTPApplication::removeParticipant(ParticipantLink* pl) { if ( NULL == pl ) return; if ( pl->getPrev() ) pl->getPrev()->setNext(pl->getNext()); if ( pl->getNext() ) pl->getNext()->setPrev(pl->getPrev()); delete pl; } void RTPApplication::findCNAME() { // build string username@host_fqn std::string username; findusername(username); // First create an InetHostAddress object, otherwise the // object will be destructed and the hostname corrupted. InetHostAddress iha; const char *p = iha.getHostname(); // Returned hostname can be NULL std::string hname; if (p) hname = p; setSDESItem(SDESItemTypeCNAME, username + "@" + hname); } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/CryptoContext.cpp0000664000175000017500000003462512006011443013676 00000000000000/* Copyright (C) 2004-2006 the Minisip Team This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Copyright (C) 2004-2012 * * Authors: Israel Abad * Erik Eliasson * Johan Bilien * Joachim Orrblad * Werner Dittmann */ #include #include #ifdef SRTP_SUPPORT #include #include #endif #include #include #include NAMESPACE_COMMONCPP CryptoContext::CryptoContext( uint32 ssrc ): ssrcCtx(ssrc), using_mki(false),mkiLength(0),mki(NULL), roc(0),guessed_roc(0),s_l(0),key_deriv_rate(0), replay_window(0), master_key(NULL), master_key_length(0), master_key_srtp_use_nb(0), master_key_srtcp_use_nb(0), master_salt(NULL), master_salt_length(0), n_e(0),k_e(NULL),n_a(0),k_a(NULL),n_s(0),k_s(NULL), ealg(SrtpEncryptionNull), aalg(SrtpAuthenticationNull), ekeyl(0), akeyl(0), skeyl(0), seqNumSet(false), macCtx(NULL), cipher(NULL), f8Cipher(NULL) {} #ifdef SRTP_SUPPORT CryptoContext::CryptoContext( uint32 ssrc, int32 roc, int64 key_deriv_rate, const int32 ealg, const int32 aalg, uint8* master_key, int32 master_key_length, uint8* master_salt, int32 master_salt_length, int32 ekeyl, int32 akeyl, int32 skeyl, int32 tagLength): ssrcCtx(ssrc),using_mki(false),mkiLength(0),mki(NULL), roc(roc),guessed_roc(0),s_l(0),key_deriv_rate(key_deriv_rate), replay_window(0), master_key_srtp_use_nb(0), master_key_srtcp_use_nb(0), seqNumSet(false), macCtx(NULL), cipher(NULL), f8Cipher(NULL) { this->ealg = ealg; this->aalg = aalg; this->ekeyl = ekeyl; this->akeyl = akeyl; this->skeyl = skeyl; this->master_key_length = master_key_length; this->master_key = new uint8[master_key_length]; memcpy(this->master_key, master_key, master_key_length); this->master_salt_length = master_salt_length; this->master_salt = new uint8[master_salt_length]; memcpy(this->master_salt, master_salt, master_salt_length); switch( ealg ) { case SrtpEncryptionNull: n_e = 0; k_e = NULL; n_s = 0; k_s = NULL; break; case SrtpEncryptionTWOF8: f8Cipher = new SrtpSymCrypto(SrtpEncryptionTWOF8); case SrtpEncryptionTWOCM: n_e = ekeyl; k_e = new uint8[n_e]; n_s = skeyl; k_s = new uint8[n_s]; cipher = new SrtpSymCrypto(SrtpEncryptionTWOCM); break; case SrtpEncryptionAESF8: f8Cipher = new SrtpSymCrypto(SrtpEncryptionAESF8); case SrtpEncryptionAESCM: n_e = ekeyl; k_e = new uint8[n_e]; n_s = skeyl; k_s = new uint8[n_s]; cipher = new SrtpSymCrypto(SrtpEncryptionAESCM); break; } switch( aalg ) { case SrtpAuthenticationNull: n_a = 0; k_a = NULL; this->tagLength = 0; break; case SrtpAuthenticationSha1Hmac: case SrtpAuthenticationSkeinHmac: n_a = akeyl; k_a = new uint8[n_a]; this->tagLength = tagLength; break; } } #endif CryptoContext::~CryptoContext(){ #ifdef SRTP_SUPPORT if (mki) delete [] mki; if (master_key_length > 0) { memset(master_key, 0, master_key_length); master_key_length = 0; delete [] master_key; } if (master_salt_length > 0) { memset(master_salt, 0, master_salt_length); master_salt_length = 0; delete [] master_salt; } if (n_e > 0) { memset(k_e, 0, n_e); n_e = 0; delete [] k_e; } if (n_s > 0) { memset(k_s, 0, n_s); n_s = 0; delete [] k_s; } if (n_a > 0) { memset(k_a, 0, n_a); n_a = 0; delete [] k_a; } if (cipher != NULL) { delete cipher; cipher = NULL; } if (f8Cipher != NULL) { delete f8Cipher; f8Cipher = NULL; } if (macCtx != NULL) { switch(aalg) { case SrtpAuthenticationSha1Hmac: freeSha1HmacContext(macCtx); break; case SrtpAuthenticationSkeinHmac: freeSkeinMacContext(macCtx); break; } } #endif ealg = SrtpEncryptionNull; aalg = SrtpAuthenticationNull; } void CryptoContext::srtpEncrypt(RTPPacket* rtp, uint64 index, uint32 ssrc) { if (ealg == SrtpEncryptionNull) { return; } #ifdef SRTP_SUPPORT if (ealg == SrtpEncryptionAESCM || ealg == SrtpEncryptionTWOCM) { /* Compute the CM IV (refer to chapter 4.1.1 in RFC 3711): * * k_s XX XX XX XX XX XX XX XX XX XX XX XX XX XX * SSRC XX XX XX XX * index XX XX XX XX XX XX * ------------------------------------------------------XOR * IV XX XX XX XX XX XX XX XX XX XX XX XX XX XX 00 00 */ unsigned char iv[16]; memcpy( iv, k_s, 4 ); int i; for(i = 4; i < 8; i++ ){ iv[i] = ( 0xFF & ( ssrc >> ((7-i)*8) ) ) ^ k_s[i]; } for(i = 8; i < 14; i++ ){ iv[i] = ( 0xFF & (unsigned char)( index >> ((13-i)*8) ) ) ^ k_s[i]; } iv[14] = iv[15] = 0; int32 pad = rtp->isPadded() ? rtp->getPaddingSize() : 0; cipher->ctr_encrypt(const_cast(rtp->getPayload()), rtp->getPayloadSize()+pad, iv); } if (ealg == SrtpEncryptionAESF8 || ealg == SrtpEncryptionTWOF8) { /* Create the F8 IV (refer to chapter 4.1.2.2 in RFC 3711): * * IV = 0x00 || M || PT || SEQ || TS || SSRC || ROC * 8Bit 1bit 7bit 16bit 32bit 32bit 32bit * ------------\ /-------------------------------------------------- * XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX */ unsigned char iv[16]; uint32 *ui32p = (uint32 *)iv; memcpy(iv, rtp->getRawPacket(), 12); iv[0] = 0; // set ROC in network order into IV ui32p[3] = htonl(roc); int32 pad = rtp->isPadded() ? rtp->getPaddingSize() : 0; cipher->f8_encrypt(rtp->getPayload(), rtp->getPayloadSize()+pad, iv, f8Cipher); } #endif } /* Warning: tag must have been initialized */ void CryptoContext::srtpAuthenticate(RTPPacket* rtp, uint32 roc, uint8* tag ) { if (aalg == SrtpAuthenticationNull) { return; } #ifdef SRTP_SUPPORT int32_t macL; unsigned char temp[20]; const unsigned char* chunks[3]; unsigned int chunkLength[3]; uint32_t beRoc = htonl(roc); chunks[0] = rtp->getRawPacket(); chunkLength[0] = rtp->getRawPacketSize(); chunks[1] = (unsigned char *)&beRoc; chunkLength[1] = 4; chunks[2] = NULL; switch (aalg) { case SrtpAuthenticationSha1Hmac: hmacSha1Ctx(macCtx, chunks, // data chunks to hash chunkLength, // length of the data to hash temp, &macL); /* truncate the result */ memcpy(tag, temp, getTagLength()); break; case SrtpAuthenticationSkeinHmac: macSkeinCtx(macCtx, chunks, // data chunks to hash chunkLength, // length of the data to hash temp); /* truncate the result */ memcpy(tag, temp, getTagLength()); break; } #endif } #ifdef SRTP_SUPPORT /* used by the key derivation method */ static void computeIv(unsigned char* iv, uint64 label, uint64 index, int64 kdv, unsigned char* master_salt) { uint64 key_id; if (kdv == 0) { key_id = label << 48; } else { key_id = ((label << 48) | (index / kdv)); } //printf( "Key_ID: %llx\n", key_id ); /* compute the IV key_id: XX XX XX XX XX XX XX master_salt: XX XX XX XX XX XX XX XX XX XX XX XX XX XX ------------------------------------------------------------ XOR IV: XX XX XX XX XX XX XX XX XX XX XX XX XX XX 00 00 */ int i; for(i = 0; i < 7 ; i++ ) { iv[i] = master_salt[i]; } for(i = 7; i < 14 ; i++ ) { iv[i] = (unsigned char)(0xFF & (key_id >> (8*(13-i)))) ^ master_salt[i]; } iv[14] = iv[15] = 0; } #endif /* Derives the srtp session keys from the master key */ void CryptoContext::deriveSrtpKeys(uint64 index) { #ifdef SRTP_SUPPORT uint8 iv[16]; // prepare AES cipher to compute derived keys. cipher->setNewKey(master_key, master_key_length); memset(master_key, 0, master_key_length); // compute the session encryption key uint64 label = 0; computeIv(iv, label, index, key_deriv_rate, master_salt); cipher->get_ctr_cipher_stream(k_e, n_e, iv); // compute the session authentication key label = 0x01; computeIv(iv, label, index, key_deriv_rate, master_salt); cipher->get_ctr_cipher_stream(k_a, n_a, iv); // Initialize MAC context with the derived key switch (aalg) { case SrtpAuthenticationSha1Hmac: macCtx = createSha1HmacContext(k_a, n_a); break; case SrtpAuthenticationSkeinHmac: // Skein MAC uses number of bits as MAC size, not just bytes macCtx = createSkeinMacContext(k_a, n_a, tagLength*8, Skein512); break; } memset(k_a, 0, n_a); // compute the session salt label = 0x02; computeIv(iv, label, index, key_deriv_rate, master_salt); cipher->get_ctr_cipher_stream(k_s, n_s, iv); memset(master_salt, 0, master_salt_length); // as last step prepare ciphers with derived key. cipher->setNewKey(k_e, n_e); if (f8Cipher != NULL) cipher->f8_deriveForIV(f8Cipher, k_e, n_e, k_s, n_s); memset(k_e, 0, n_e); #endif } /* Based on the algorithm provided in Appendix A - draft-ietf-srtp-05.txt */ uint64_t CryptoContext::guessIndex(uint16 new_seq_nb ) { /* * Initialize the sequences number on first call that uses the * sequence number. Either GuessIndex() or checkReplay(). */ if (!seqNumSet) { seqNumSet = true; s_l = new_seq_nb; } if (s_l < 32768){ if (new_seq_nb - s_l > 32768) { guessed_roc = roc - 1; } else { guessed_roc = roc; } } else { if (s_l - 32768 > new_seq_nb) { guessed_roc = roc + 1; } else { guessed_roc = roc; } } return ((uint64)guessed_roc) << 16 | new_seq_nb; } bool CryptoContext::checkReplay( uint16 new_seq_nb ) { #ifdef SRTP_SUPPORT if ( aalg == SrtpAuthenticationNull && ealg == SrtpEncryptionNull ) { /* No security policy, don't use the replay protection */ return true; } /* * Initialize the sequences number on first call that uses the * sequence number. Either guessIndex() or checkReplay(). */ if (!seqNumSet) { seqNumSet = true; s_l = new_seq_nb; } uint64 guessed_index = guessIndex( new_seq_nb ); uint64 local_index = (((uint64_t)roc) << 16) | s_l; int64 delta = guessed_index - local_index; if (delta > 0) { /* Packet not yet received*/ return true; } else { if( -delta > REPLAY_WINDOW_SIZE ) { /* Packet too old */ return false; } else { if((replay_window >> (-delta)) & 0x1) { /* Packet already received ! */ return false; } else { /* Packet not yet received */ return true; } } } #else return true; #endif } void CryptoContext::update(uint16 new_seq_nb) { #ifdef SRTP_SUPPORT int64 delta = guessIndex(new_seq_nb) - (((uint64)roc) << 16 | s_l ); /* update the replay bitmask */ if( delta > 0 ){ replay_window = replay_window << delta; replay_window |= 1; } else { replay_window |= ( 1 << delta ); } /* update the locally stored ROC and highest sequence number */ if( new_seq_nb > s_l ) { s_l = new_seq_nb; } if( guessed_roc > roc ) { roc = guessed_roc; s_l = new_seq_nb; } #endif } CryptoContext* CryptoContext::newCryptoContextForSSRC(uint32 ssrc, int roc, int64 keyDerivRate) { #ifdef SRTP_SUPPORT CryptoContext* pcc = new CryptoContext( ssrc, roc, // Roll over Counter, keyDerivRate, // keyderivation << 48, this->ealg, // encryption algo this->aalg, // authentication algo this->master_key, // Master Key this->master_key_length, // Master Key length this->master_salt, // Master Salt this->master_salt_length, // Master Salt length this->ekeyl, // encryption keyl this->akeyl, // authentication key len this->skeyl, // session salt len this->tagLength); // authentication tag len return pcc; #else return NULL; #endif } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/outqueue.cpp0000664000175000017500000005152212006011443012720 00000000000000// Copyright (C) 2001,2002,2004,2005 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #include "private.h" #include NAMESPACE_COMMONCPP const size_t OutgoingDataQueueBase::defaultMaxSendSegmentSize = 65536; OutgoingDataQueueBase::OutgoingDataQueueBase() { // segment data in packets of no more than 65536 octets. setMaxSendSegmentSize(getDefaultMaxSendSegmentSize()); } DestinationListHandler::DestinationListHandler() : destList(), destinationLock() {} DestinationListHandler::~DestinationListHandler() { TransportAddress* tmp = NULL; writeLockDestinationList(); for (std::list::iterator i = destList.begin(); destList.end() != i; i++) { tmp = *i; #ifdef CCXX_EXCEPTIONS try { #endif delete tmp; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } unlockDestinationList(); } bool DestinationListHandler::addDestinationToList(const InetAddress& ia, tpport_t data, tpport_t control) { TransportAddress* addr = new TransportAddress(ia,data,control); writeLockDestinationList(); destList.push_back(addr); unlockDestinationList(); return true; } bool DestinationListHandler::removeDestinationFromList(const InetAddress& ia, tpport_t dataPort, tpport_t controlPort) { bool result = false; writeLockDestinationList(); TransportAddress* tmp; for (std::list::iterator i = destList.begin(); destList.end() != i && !result; ) { tmp = *i; if ( ia == tmp->getNetworkAddress() && dataPort == tmp->getDataTransportPort() && controlPort == tmp->getControlTransportPort() ) { // matches. -> remove it. result = true; destList.erase(i); delete tmp; } else{ i++; } } unlockDestinationList(); return result; } #ifdef CCXX_IPV6 DestinationListHandlerIPV6::DestinationListHandlerIPV6() : destListIPV6(), destinationLock() {} DestinationListHandlerIPV6::~DestinationListHandlerIPV6() { TransportAddressIPV6* tmp = NULL; writeLockDestinationListIPV6(); for (std::list::iterator i = destListIPV6.begin(); destListIPV6.end() != i; i++) { tmp = *i; #ifdef CCXX_EXCEPTIONS try { #endif delete tmp; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } unlockDestinationListIPV6(); } bool DestinationListHandlerIPV6::addDestinationToListIPV6(const IPV6Address& ia, tpport_t data, tpport_t control) { TransportAddressIPV6* addr = new TransportAddressIPV6(ia,data,control); writeLockDestinationListIPV6(); destListIPV6.push_back(addr); unlockDestinationListIPV6(); return true; } bool DestinationListHandlerIPV6::removeDestinationFromListIPV6(const IPV6Address& ia, tpport_t dataPort, tpport_t controlPort) { bool result = false; writeLockDestinationListIPV6(); TransportAddressIPV6* tmp; for (std::list::iterator i = destListIPV6.begin(); destListIPV6.end() != i && !result; ) { tmp = *i; if ( ia == tmp->getNetworkAddress() && dataPort == tmp->getDataTransportPort() && controlPort == tmp->getControlTransportPort() ) { // matches. -> remove it. result = true; destListIPV6.erase(i); delete tmp; } else { i++; } } unlockDestinationListIPV6(); return result; } #endif /// Schedule at 8 ms. const microtimeout_t OutgoingDataQueue::defaultSchedulingTimeout = 8000; /// Packets unsent will expire after 40 ms. const microtimeout_t OutgoingDataQueue::defaultExpireTimeout = 40000; OutgoingDataQueue::OutgoingDataQueue() : OutgoingDataQueueBase(), #ifdef CCXX_IPV6 DestinationListHandlerIPV6(), #endif DestinationListHandler(), sendLock(), sendFirst(NULL), sendLast(NULL) { setInitialTimestamp(random32()); setSchedulingTimeout(getDefaultSchedulingTimeout()); setExpireTimeout(getDefaultExpireTimeout()); sendInfo.packetCount = 0; sendInfo.octetCount = 0; sendInfo.sendSeq = random16(); // random initial sequence number sendInfo.sendCC = 0; // initially, 0 CSRC identifiers follow the fixed heade sendInfo.paddinglen = 0; // do not add padding bits. sendInfo.marked = false; sendInfo.complete = true; // the local source is the first contributing source sendInfo.sendSources[0] = getLocalSSRC(); // this will be an accumulator for the successive cycles of timestamp sendInfo.overflowTime.tv_sec = getInitialTime().tv_sec; sendInfo.overflowTime.tv_usec = getInitialTime().tv_usec; } void OutgoingDataQueue::purgeOutgoingQueue() { OutgoingRTPPktLink* sendnext; // flush the sending queue (delete outgoing packets // unsent so far) sendLock.writeLock(); while ( sendFirst ) { sendnext = sendFirst->getNext(); delete sendFirst; sendFirst = sendnext; } sendLast = NULL; sendLock.unlock(); } bool OutgoingDataQueue::addDestination(const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; bool result = addDestinationToList(ia,dataPort,controlPort); if ( result && isSingleDestination() ) { setDataPeer(ia,dataPort); setControlPeer(ia,controlPort); } return result; } bool OutgoingDataQueue::addDestination(const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; bool result = addDestinationToList(ia,dataPort,controlPort); if ( result && isSingleDestination() ) { setDataPeer(ia,dataPort); setControlPeer(ia,controlPort); } return result; } bool OutgoingDataQueue::forgetDestination(const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; return DestinationListHandler:: removeDestinationFromList(ia,dataPort,controlPort); } bool OutgoingDataQueue::forgetDestination(const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; return DestinationListHandler:: removeDestinationFromList(ia,dataPort,controlPort); } #ifdef CCXX_IPV6 bool OutgoingDataQueue::addDestination(const IPV6Address& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; bool result = addDestinationToListIPV6(ia,dataPort,controlPort); if ( result && isSingleDestinationIPV6() ) { setDataPeerIPV6(ia,dataPort); setControlPeerIPV6(ia,controlPort); } return result; } bool OutgoingDataQueue::forgetDestination(const IPV6Address& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) controlPort = dataPort + 1; return DestinationListHandlerIPV6:: removeDestinationFromListIPV6(ia,dataPort,controlPort); } #endif bool OutgoingDataQueue::isSending(void) const { if(sendFirst) return true; return false; } microtimeout_t OutgoingDataQueue::getSchedulingTimeout(void) { struct timeval send, now; uint32 rate; uint32 rem; for(;;) { // if there is no packet to send, use the default scheduling // timeout if( !sendFirst ) return schedulingTimeout; uint32 stamp = sendFirst->getPacket()->getTimestamp(); stamp -= getInitialTimestamp(); rate = getCurrentRTPClockRate(); // now we want to get in send _when_ the // packet is scheduled to be sent. // translate timestamp to timeval send.tv_sec = stamp / rate; rem = stamp % rate; send.tv_usec = (1000ul*rem) / (rate/1000ul); // 10^6 * rem/rate // add timevals. Overflow holds the inital time // plus the time accumulated through successive // overflows of timestamp. See below. timeradd(&send,&(sendInfo.overflowTime),&send); SysTime::gettimeofday(&now, NULL); // Problem: when timestamp overflows, time goes back. // We MUST ensure that _send_ is not too lower than // _now_, otherwise, we MUST keep how many time was // lost because of overflow. We assume that _send_ // 5000 seconds lower than now suggests timestamp // overflow. (Remember than the 32 bits of the // timestamp field are 47722 seconds under a sampling // clock of 90000 hz.) This is not a perfect // solution. Disorderedly timestamped packets coming // after an overflowed one will be wrongly // corrected. Nevertheless, this may only corrupt a // handful of those packets every more than 13 hours // (if timestamp started from 0). if ( now.tv_sec - send.tv_sec > 5000) { timeval overflow; overflow.tv_sec =(~static_cast(0)) / rate; overflow.tv_usec = (~static_cast(0)) % rate * 1000000ul / rate; do { timeradd(&send,&overflow,&send); timeradd(&(sendInfo.overflowTime),&overflow, &(sendInfo.overflowTime)); } while ( now.tv_sec - send.tv_sec > 5000 ); } // This tries to solve the aforementioned problem // about disordered packets coming after an overflowed // one. Now we apply the reverse idea. if ( send.tv_sec - now.tv_sec > 20000 ) { timeval overflow; overflow.tv_sec = (~static_cast(0)) / rate; overflow.tv_usec = (~static_cast(0)) % rate * 1000000ul / rate; timersub(&send,&overflow,&send); } // A: This sets a maximum timeout of 1 hour. if ( send.tv_sec - now.tv_sec > 3600 ) { return 3600000000ul; } int32 diff = ((send.tv_sec - now.tv_sec) * 1000000ul) + send.tv_usec - now.tv_usec; // B: wait diff usecs more before sending if ( diff >= 0 ) { return static_cast(diff); } // C: the packet must be sent right now if ( (diff < 0) && static_cast(-diff) <= getExpireTimeout() ) { return 0; } // D: the packet has expired -> delete it. sendLock.writeLock(); OutgoingRTPPktLink* packet = sendFirst; sendFirst = sendFirst->getNext(); onExpireSend(*(packet->getPacket())); // new virtual to notify delete packet; if ( sendFirst ) sendFirst->setPrev(NULL); else sendLast = NULL; sendLock.unlock(); } I( false ); return 0; } void OutgoingDataQueue::putData(uint32 stamp, const unsigned char *data, size_t datalen) { if ( !data || !datalen ) return; size_t step = 0, offset = 0; while ( offset < datalen ) { // remainder and step take care of segmentation // according to getMaxSendSegmentSize() size_t remainder = datalen - offset; step = ( remainder > getMaxSendSegmentSize() ) ? getMaxSendSegmentSize() : remainder; CryptoContext* pcc = getOutQueueCryptoContext(getLocalSSRC()); if (pcc == NULL) { pcc = getOutQueueCryptoContext(0); if (pcc != NULL) { pcc = pcc->newCryptoContextForSSRC(getLocalSSRC(), 0, 0L); if (pcc != NULL) { pcc->deriveSrtpKeys(0); setOutQueueCryptoContext(pcc); } } } OutgoingRTPPkt* packet; if ( sendInfo.sendCC ) packet = new OutgoingRTPPkt(sendInfo.sendSources,15,data + offset,step, sendInfo.paddinglen, pcc); else packet = new OutgoingRTPPkt(data + offset,step,sendInfo.paddinglen, pcc); packet->setPayloadType(getCurrentPayloadType()); packet->setSeqNum(sendInfo.sendSeq++); packet->setTimestamp(stamp + getInitialTimestamp()); packet->setSSRCNetwork(getLocalSSRCNetwork()); if ( (0 == offset) && getMark() ) { packet->setMarker(true); setMark(false); } else { packet->setMarker(false); } if (pcc != NULL) { packet->protect(getLocalSSRC(), pcc); } // insert the packet into the "tail" of the sending queue sendLock.writeLock(); OutgoingRTPPktLink *link = new OutgoingRTPPktLink(packet,sendLast,NULL); if (sendLast) sendLast->setNext(link); else sendFirst = link; sendLast = link; sendLock.unlock(); offset += step; } } void OutgoingDataQueue::sendImmediate(uint32 stamp, const unsigned char *data, size_t datalen) { if ( !data || !datalen ) return; size_t step = 0, offset = 0; while ( offset < datalen ) { // remainder and step take care of segmentation // according to getMaxSendSegmentSize() size_t remainder = datalen - offset; step = ( remainder > getMaxSendSegmentSize() ) ? getMaxSendSegmentSize() : remainder; CryptoContext* pcc = getOutQueueCryptoContext(getLocalSSRC()); OutgoingRTPPkt* packet; if ( sendInfo.sendCC ) packet = new OutgoingRTPPkt(sendInfo.sendSources,15,data + offset,step,sendInfo.paddinglen, pcc); else packet = new OutgoingRTPPkt(data + offset,step,sendInfo.paddinglen, pcc); packet->setPayloadType(getCurrentPayloadType()); packet->setSeqNum(sendInfo.sendSeq++); packet->setTimestamp(stamp + getInitialTimestamp()); packet->setSSRCNetwork(getLocalSSRCNetwork()); if ( (0 == offset) && getMark() ) { packet->setMarker(true); setMark(false); } else { packet->setMarker(false); } if (pcc != NULL) { packet->protect(getLocalSSRC(), pcc); } dispatchImmediate(packet); delete packet; offset += step; } } void OutgoingDataQueue::dispatchImmediate(OutgoingRTPPkt *packet) { lockDestinationList(); if ( isSingleDestination() ) { TransportAddress* tmp = destList.front(); // if going from multi destinations to single destinations. setDataPeer(tmp->getNetworkAddress(), tmp->getDataTransportPort()); sendData(packet->getRawPacket(), packet->getRawPacketSizeSrtp()); } else { // when no destination has been added, NULL == dest. for (std::list::iterator i = destList.begin(); destList.end() != i; i++) { TransportAddress* dest = *i; setDataPeer(dest->getNetworkAddress(), dest->getDataTransportPort()); sendData(packet->getRawPacket(), packet->getRawPacketSizeSrtp()); } } unlockDestinationList(); #ifdef CCXX_IPV6 lockDestinationListIPV6(); if ( isSingleDestinationIPV6() ) { TransportAddressIPV6* tmp6 = destListIPV6.front(); // if going from multi destinations to single destinations. setDataPeerIPV6(tmp6->getNetworkAddress(), tmp6->getDataTransportPort()); sendDataIPV6(packet->getRawPacket(), packet->getRawPacketSizeSrtp()); } else { // when no destination has been added, NULL == dest. for (std::list::iterator i6 = destListIPV6.begin(); destListIPV6.end() != i6; i6++) { TransportAddressIPV6* dest6 = *i6; setDataPeerIPV6(dest6->getNetworkAddress(), dest6->getDataTransportPort()); sendDataIPV6(packet->getRawPacket(), packet->getRawPacketSizeSrtp()); } } unlockDestinationListIPV6(); #endif } size_t OutgoingDataQueue::dispatchDataPacket(void) { sendLock.writeLock(); OutgoingRTPPktLink* packetLink = sendFirst; if ( !packetLink ){ sendLock.unlock(); return 0; } OutgoingRTPPkt* packet = packetLink->getPacket(); uint32 rtn = packet->getPayloadSize(); dispatchImmediate(packet); // unlink the sent packet from the queue and destroy it. Also // record the sending. sendFirst = sendFirst->getNext(); if ( sendFirst ) { sendFirst->setPrev(NULL); } else { sendLast = NULL; } // for general accounting and RTCP SR statistics sendInfo.packetCount++; sendInfo.octetCount += packet->getPayloadSize(); delete packetLink; sendLock.unlock(); return rtn; } size_t OutgoingDataQueue::setPartial(uint32 stamp, unsigned char *data, size_t offset, size_t max) { sendLock.writeLock(); OutgoingRTPPktLink* packetLink = sendFirst; while ( packetLink ) { uint32 pstamp = packetLink->getPacket()->getTimestamp(); if ( pstamp > stamp ) packetLink = NULL; if ( pstamp >= stamp ) break; packetLink = packetLink->getNext(); } if ( !packetLink ) { sendLock.unlock(); return 0; } OutgoingRTPPkt* packet = packetLink->getPacket(); if ( offset >= packet->getPayloadSize() ) return 0; if ( max > packet->getPayloadSize() - offset ) max = packet->getPayloadSize() - offset; memcpy((unsigned char*)(packet->getPayload()) + offset, data, max); sendLock.unlock(); return max; } void OutgoingDataQueue::setOutQueueCryptoContext(CryptoContext* cc) { std::list::iterator i; MutexLock lock(cryptoMutex); // check if a CryptoContext for a SSRC already exists. If yes // remove it from list before inserting the new one. for( i = cryptoContexts.begin(); i!= cryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContext* tmp = *i; cryptoContexts.erase(i); delete tmp; break; } } cryptoContexts.push_back(cc); } void OutgoingDataQueue::removeOutQueueCryptoContext(CryptoContext* cc) { std::list::iterator i; MutexLock lock(cryptoMutex); if (cc == NULL) { // Remove any incoming crypto contexts for (i = cryptoContexts.begin(); i != cryptoContexts.end(); ) { CryptoContext* tmp = *i; i = cryptoContexts.erase(i); delete tmp; } } else { for( i = cryptoContexts.begin(); i != cryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContext* tmp = *i; cryptoContexts.erase(i); delete tmp; return; } } } } CryptoContext* OutgoingDataQueue::getOutQueueCryptoContext(uint32 ssrc) { std::list::iterator i; MutexLock lock(cryptoMutex); for( i = cryptoContexts.begin(); i != cryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == ssrc) { return (*i); } } return NULL; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/queue.cpp0000664000175000017500000003731012006011443012167 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #include "private.h" #include #include #include #include #ifndef _MSWINDOWS_ #include #endif NAMESPACE_COMMONCPP using namespace std; // The first part of this file includes a copy of the MD5Digest class // of Common C++. This may seem weird, but it would be the only // dependency on libccext, so we prefer to reduce the library // footprint. /** * The digest base class is used for implementing and deriving one way * hashing functions. * * @author David Sugar * @short base class for hashing services. */ class Digest : protected streambuf, public ostream { protected: Digest(); /** * Get the size of a digest in octets. * * @return number of bytes in digest. */ virtual unsigned getSize(void) = 0; /** * Copy the binary digest buffer to user memory. * * @return number of bytes in digest. * @param buffer to write into. */ virtual unsigned getDigest(unsigned char *buffer) = 0; /** * Put data into the digest bypassing the stream subsystem. * * @param buffer to read from. * @param length of data. */ virtual void putDigest(const unsigned char *buffer, unsigned length) = 0; /** * print a digest string for export. * * @return string representation of digest. */ virtual std::ostream &strDigest(std::ostream &os) = 0; friend std::ostream &operator<<(std::ostream &os, Digest &ia) {return ia.strDigest(os);} public: /** * Reset the digest table to an initial default value. */ virtual void initDigest(void) = 0; }; Digest::Digest() : streambuf() #ifdef HAVE_OLD_IOSTREAM ,ostream() #else ,ostream((streambuf *)this) #endif { #ifdef HAVE_OLD_IOSTREAM init((streambuf *)this); #endif } /** * A md5 collection/computation accululator class. * * @author David Sugar * @short md5 hash accumulation. */ class MD5Digest : public Digest { private: unsigned long state[4]; unsigned long count[2]; unsigned char buf[64]; unsigned bpos; unsigned char md5[16]; bool updated; protected: int overflow(int c); void update(void); void commit(void); std::ostream &strDigest(std::ostream &os); public: MD5Digest(); void initDigest(void); inline unsigned getSize(void) {return 16;} unsigned getDigest(unsigned char *buffer); void putDigest(const unsigned char *buffer, unsigned len); }; #ifdef _MSWINDOWS_ #include #endif #define S11 7 #define S12 12 #define S13 17 #define S14 22 #define S21 5 #define S22 9 #define S23 14 #define S24 20 #define S31 4 #define S32 11 #define S33 16 #define S34 23 #define S41 6 #define S42 10 #define S43 15 #define S44 21 static inline unsigned long rotate_left(unsigned long x, unsigned long n) { // is unsigned long > 32 bit mask #if ~0lu != 0xfffffffflu return (x << n) | ((x & 0xffffffffu) >> (32-n)); #else return (x << n) | (x >> (32-n)); #endif } static inline unsigned long F(unsigned long x, unsigned long y, unsigned long z) { return (x & y) | (~x & z); } static inline unsigned long G(unsigned long x, unsigned long y, unsigned long z) { return (x & z) | (y & ~z); } static inline unsigned long H(unsigned long x, unsigned long y, unsigned long z) { return x ^ y ^ z; } static inline unsigned long md5I(unsigned long x, unsigned long y, unsigned long z) { return y ^ (x | ~z); } static void FF(unsigned long &a, unsigned long b, unsigned long c, unsigned long d, unsigned long x, unsigned long s, unsigned long ac) { a += F(b, c, d) + x + ac; a = rotate_left(a, s) + b; } static void GG(unsigned long &a, unsigned long b, unsigned long c, unsigned long d, unsigned long x, unsigned long s, unsigned long ac) { a += G(b, c, d) + x + ac; a = rotate_left(a, s) + b; } static void HH(unsigned long &a, unsigned long b, unsigned long c, unsigned long d, unsigned long x, unsigned long s, unsigned long ac) { a += H(b, c, d) + x + ac; a = rotate_left(a, s) + b; } static void II(unsigned long &a, unsigned long b, unsigned long c, unsigned long d, unsigned long x, unsigned long s, unsigned long ac) { a += md5I(b, c, d) + x + ac; a = rotate_left(a, s) + b; } MD5Digest::MD5Digest() : Digest() { initDigest(); updated = true; } void MD5Digest::initDigest(void) { count[0] = count[1] = 0; state[0] = 0x67452301; state[1] = 0xefcdab89; state[2] = 0x98badcfe; state[3] = 0x10325476; bpos = 0; updated = true; // CCY Added setp((char*)buf,(char*)buf+64); } int MD5Digest::overflow(int c) { updated = true; bpos = (unsigned char*)pptr()-buf; if(bpos >= 64) update(); if (c != EOF) buf[bpos++] = (unsigned char)c; setp((char*)buf+bpos,(char*)buf+64); return c; } void MD5Digest::update(void) { unsigned long x[16], a, b, c, d; int i; if(!bpos) return; while(bpos < 64) buf[bpos++] = 0; bpos = 0; if((count[0] += 512) < 512) ++count[1]; a = state[0]; b = state[1]; c = state[2]; d = state[3]; for(i = 0; i < 16; ++i) x[i] = (unsigned long)(buf[i * 4]) | (unsigned long)(buf[i * 4 + 1] << 8) | (unsigned long)(buf[i * 4 + 2] << 16) | (unsigned long)(buf[i * 4 + 3] << 24); FF(a, b, c, d, x[ 0], S11, 0xd76aa478); FF(d, a, b, c, x[ 1], S12, 0xe8c7b756); FF(c, d, a, b, x[ 2], S13, 0x242070db); FF(b, c, d, a, x[ 3], S14, 0xc1bdceee); FF(a, b, c, d, x[ 4], S11, 0xf57c0faf); FF(d, a, b, c, x[ 5], S12, 0x4787c62a); FF(c, d, a, b, x[ 6], S13, 0xa8304613); FF(b, c, d, a, x[ 7], S14, 0xfd469501); FF(a, b, c, d, x[ 8], S11, 0x698098d8); FF(d, a, b, c, x[ 9], S12, 0x8b44f7af); FF(c, d, a, b, x[10], S13, 0xffff5bb1); FF(b, c, d, a, x[11], S14, 0x895cd7be); FF(a, b, c, d, x[12], S11, 0x6b901122); FF(d, a, b, c, x[13], S12, 0xfd987193); FF(c, d, a, b, x[14], S13, 0xa679438e); FF(b, c, d, a, x[15], S14, 0x49b40821); GG(a, b, c, d, x[ 1], S21, 0xf61e2562); GG(d, a, b, c, x[ 6], S22, 0xc040b340); GG(c, d, a, b, x[11], S23, 0x265e5a51); GG(b, c, d, a, x[ 0], S24, 0xe9b6c7aa); GG(a, b, c, d, x[ 5], S21, 0xd62f105d); GG(d, a, b, c, x[10], S22, 0x2441453); GG(c, d, a, b, x[15], S23, 0xd8a1e681); GG(b, c, d, a, x[ 4], S24, 0xe7d3fbc8); GG(a, b, c, d, x[ 9], S21, 0x21e1cde6); GG(d, a, b, c, x[14], S22, 0xc33707d6); GG(c, d, a, b, x[ 3], S23, 0xf4d50d87); GG(b, c, d, a, x[ 8], S24, 0x455a14ed); GG(a, b, c, d, x[13], S21, 0xa9e3e905); GG(d, a, b, c, x[ 2], S22, 0xfcefa3f8); GG(c, d, a, b, x[ 7], S23, 0x676f02d9); GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); HH(a, b, c, d, x[ 5], S31, 0xfffa3942); HH(d, a, b, c, x[ 8], S32, 0x8771f681); HH(c, d, a, b, x[11], S33, 0x6d9d6122); HH(b, c, d, a, x[14], S34, 0xfde5380c); HH(a, b, c, d, x[ 1], S31, 0xa4beea44); HH(d, a, b, c, x[ 4], S32, 0x4bdecfa9); HH(c, d, a, b, x[ 7], S33, 0xf6bb4b60); HH(b, c, d, a, x[10], S34, 0xbebfbc70); HH(a, b, c, d, x[13], S31, 0x289b7ec6); HH(d, a, b, c, x[ 0], S32, 0xeaa127fa); HH(c, d, a, b, x[ 3], S33, 0xd4ef3085); HH(b, c, d, a, x[ 6], S34, 0x4881d05); HH(a, b, c, d, x[ 9], S31, 0xd9d4d039); HH(d, a, b, c, x[12], S32, 0xe6db99e5); HH(c, d, a, b, x[15], S33, 0x1fa27cf8); HH(b, c, d, a, x[ 2], S34, 0xc4ac5665); II(a, b, c, d, x[ 0], S41, 0xf4292244); II(d, a, b, c, x[ 7], S42, 0x432aff97); II(c, d, a, b, x[14], S43, 0xab9423a7); II(b, c, d, a, x[ 5], S44, 0xfc93a039); II(a, b, c, d, x[12], S41, 0x655b59c3); II(d, a, b, c, x[ 3], S42, 0x8f0ccc92); II(c, d, a, b, x[10], S43, 0xffeff47d); II(b, c, d, a, x[ 1], S44, 0x85845dd1); II(a, b, c, d, x[ 8], S41, 0x6fa87e4f); II(d, a, b, c, x[15], S42, 0xfe2ce6e0); II(c, d, a, b, x[ 6], S43, 0xa3014314); II(b, c, d, a, x[13], S44, 0x4e0811a1); II(a, b, c, d, x[ 4], S41, 0xf7537e82); II(d, a, b, c, x[11], S42, 0xbd3af235); II(c, d, a, b, x[ 2], S43, 0x2ad7d2bb); II(b, c, d, a, x[ 9], S44, 0xeb86d391); state[0] += a; state[1] += b; state[2] += c; state[3] += d; updated = true; } void MD5Digest::commit(void) { unsigned char cbuf[8]; unsigned long i, len; static unsigned char pad[64]={ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; bpos = (unsigned char*)pptr()-buf; if(!updated && !bpos) return; count[0] += (unsigned long)(bpos << 3); if(count[0] < (unsigned long)(bpos << 3)) ++count[1]; for(i = 0; i < 2; ++i) { cbuf[i * 4] = (unsigned char)count[i] & 0xff; cbuf[i * 4 + 1] = (unsigned char)((count[i] >> 8) & 0xff); cbuf[i * 4 + 2] = (unsigned char)((count[i] >> 16) & 0xff); cbuf[i * 4 + 3] = (unsigned char)((count[i] >> 24) & 0xff); } i = (unsigned) ((count[0] >> 3) & 0x3f); len = (i < 56) ? (56 - i) : (120 - i); if(len) putDigest(pad, len); putDigest(cbuf, 8); for(i = 0; i < 4; ++i) { md5[i * 4] = (unsigned char)state[i] & 0xff; md5[i * 4 + 1] = (unsigned char)((state[i] >> 8) & 0xff); md5[i * 4 + 2] = (unsigned char)((state[i] >> 16) & 0xff); md5[i * 4 + 3] = (unsigned char)((state[i] >> 24) & 0xff); } initDigest(); } unsigned MD5Digest::getDigest(unsigned char *buffer) { commit(); memcpy(buffer, md5, 16); return 16; } void MD5Digest::putDigest(const unsigned char *buffer, unsigned len) { bpos = (unsigned char*)pptr()-buf; if(bpos >= 64) update(); while(len--) { buf[bpos++] = *(buffer++); if(bpos >= 64) update(); } setp((char*)buf+bpos,(char*)buf+64); } std::ostream &MD5Digest::strDigest(std::ostream &os) { char dbuf[36]; int i; commit(); for(i = 0; i < 16; ++i) #ifdef _MSWINDOWS_ sprintf(dbuf + 2 * i, "%02x", md5[i]); #else std::sprintf(dbuf + 2 * i, "%02x", md5[i]); #endif os << dbuf; return os; } static uint32 MD5BasedRandom32() { // for bizzare gcc wierdness with type visibility typedef timeval md5time_t; // This is the input to the MD5 algorithm. union { uint8 array[1]; struct { md5time_t time; void *address; uint8 cname[10]; } data; } message; // the output from the MD5 algorithm will be put here. union { uint32 buf32[4]; uint8 buf8[16]; } digest; SysTime::gettimeofday(&(message.data.time),NULL); message.array[0] = static_cast(message.data.time.tv_sec * message.data.time.tv_usec); message.data.address = &message; memcpy(message.data.cname, defaultApplication().getSDESItem(SDESItemTypeCNAME).c_str(),10); // compute MD5. MD5Digest md5; md5.putDigest(reinterpret_cast(message.array), sizeof(message)); md5.getDigest(reinterpret_cast(digest.buf8)); // Get result as xor of the four 32-bit words from the MD5 algorithm. uint32 result = 0; for ( int i = 0; i < 4; i ++ ) result ^= digest.buf32[i]; return result; } uint32 random32() { // If /dev/urandom fails, default to the MD5 based algorithm // given in the RTP specification. uint32 number; #ifndef _MSWINDOWS_ bool success = true; int fd = open("/dev/urandom",O_RDONLY); if (fd == -1) { success = false; } else { if ( read(fd,&number,sizeof(number)) != sizeof(number) ) { success = false; } } close(fd); if ( !success ) #endif number = MD5BasedRandom32(); return number; } uint16 random16() { uint32 r32 = random32(); uint16 r16 = r32 & (r32 >> 16); return r16; } RTPQueueBase::RTPQueueBase(uint32 *ssrc) { if ( NULL == ssrc ) setLocalSSRC(random32()); else setLocalSSRC(*ssrc); // assume a default rate and payload type. setPayloadFormat(StaticPayloadFormat(sptPCMU)); // queue/session creation time SysTime::gettimeofday(&initialTime,NULL); } const uint32 RTPDataQueue::defaultSessionBw = 64000; RTPDataQueue::RTPDataQueue(uint32 size) : IncomingDataQueue(size), OutgoingDataQueue() { initQueue(); } RTPDataQueue::RTPDataQueue(uint32* ssrc, uint32 size): RTPQueueBase(ssrc), IncomingDataQueue(size), OutgoingDataQueue(), timeclock() { initQueue(); setLocalSSRC(*ssrc); // TODO - Strange - ssrc should be initialized via RTPQueueBase constructor } // Initialize everything void RTPDataQueue::initQueue() { dataServiceActive = false; typeOfService = tosBestEffort; // assume a best effort network sessionBw = getDefaultSessionBandwidth(); } void RTPDataQueue::endQueue(void) { // stop executing the data service. dataServiceActive = false; // purge both sending and receiving queues. #ifdef CCXX_EXCEPTIONS try { #endif purgeOutgoingQueue(); purgeIncomingQueue(); #ifdef CCXX_EXCEPTIONS } catch (...) { } #endif removeOutQueueCryptoContext(NULL); // remove the outgoing crypto context removeInQueueCryptoContext(NULL); // Remove any incoming crypto contexts } uint32 RTPDataQueue::getCurrentTimestamp() const { // translate from current time to timestamp timeval now; SysTime::gettimeofday(&now,NULL); int32 result = now.tv_usec - getInitialTime().tv_usec; result *= (getCurrentRTPClockRate()/1000); result /= 1000; result += (now.tv_sec - getInitialTime().tv_sec) * getCurrentRTPClockRate(); //result -= initialTimestamp; return result; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/pool.cpp0000664000175000017500000002637311767643351012051 00000000000000// Copyright (C) 2000,2001,2004,2005,2006 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #include "private.h" #include #include NAMESPACE_COMMONCPP using std::list; RTPSessionPool::RTPSessionPool() { #ifndef _MSWINDOWS_ highestSocket = 0; setPoolTimeout(0,3000); FD_ZERO(&recvSocketSet); #endif } bool RTPSessionPool::addSession(RTPSessionBase& session) { #ifndef _MSWINDOWS_ bool result = false; poolLock.writeLock(); // insert in list. PredEquals predEquals(&session); if ( sessionList.end() == std::find_if(sessionList.begin(),sessionList.end(),predEquals) ) { result = true; sessionList.push_back(new SessionListElement(&session)); } else { result = false; } poolLock.unlock(); return result; #else return false; #endif } bool RTPSessionPool::removeSession(RTPSessionBase& session) { #ifndef _MSWINDOWS_ bool result = false; poolLock.writeLock(); // remove from list. PredEquals predEquals(&session); PoolIterator i; if ( sessionList.end() != (i = find_if(sessionList.begin(),sessionList.end(),predEquals)) ) { (*i)->clear(); result = true; } else { result = false; } poolLock.unlock(); return result; #else return false; #endif } size_t RTPSessionPool::getPoolLength() const { #ifndef _MSWINDOWS_ size_t result; poolLock.readLock(); result = sessionList.size(); poolLock.unlock(); return result; #else return 0; #endif } void SingleRTPSessionPool::run() { #ifndef _MSWINDOWS_ SOCKET so; microtimeout_t packetTimeout(0); while ( isActive() ) { poolLock.readLock(); // Make a copy of the list so that add and remove does // not affect the list during this loop iteration list sessions(sessionList); poolLock.unlock(); PoolIterator i = sessions.begin(); while ( i != sessions.end() ) { poolLock.readLock(); if (!(*i)->isCleared()) { RTPSessionBase* session((*i)->get()); controlReceptionService(*session); controlTransmissionService(*session); } poolLock.unlock(); i++; } timeval timeout = getPoolTimeout(); // Reinitializa fd set FD_ZERO(&recvSocketSet); poolLock.readLock(); highestSocket = 0; for (PoolIterator j = sessions.begin(); j != sessions.end (); j++) { if (!(*j)->isCleared()) { RTPSessionBase* session((*j)->get()); SOCKET s = getDataRecvSocket(*session); FD_SET(s,&recvSocketSet); if ( s > highestSocket + 1 ) highestSocket = s + 1; } } poolLock.unlock(); int n = select(highestSocket,&recvSocketSet,NULL,NULL, &timeout); i = sessions.begin(); while ( (i != sessions.end()) ) { poolLock.readLock(); if (!(*i)->isCleared()) { RTPSessionBase* session((*i)->get()); so = getDataRecvSocket(*session); if ( FD_ISSET(so,&recvSocketSet) && (n-- > 0) ) { takeInDataPacket(*session); } // schedule by timestamp, as in // SingleThreadRTPSession (by Joergen // Terner) if (packetTimeout < 1000) { packetTimeout = getSchedulingTimeout(*session); } microtimeout_t maxWait = timeval2microtimeout(getRTCPCheckInterval(*session)); // make sure the scheduling timeout is // <= the check interval for RTCP // packets packetTimeout = (packetTimeout > maxWait)? maxWait : packetTimeout; if ( packetTimeout < 1000 ) { // !(packetTimeout/1000) dispatchDataPacket(*session); //timerTick(); } else { packetTimeout = 0; } } poolLock.unlock(); i++; } // Purge elements for removed sessions. poolLock.writeLock(); i = sessionList.begin(); while (i != sessionList.end()) { if ((*i)->isCleared()) { SessionListElement* element(*i); i = sessionList.erase(i); delete element; } else { ++i; } } poolLock.unlock(); //GF we added that to allow the kernel scheduler to // give other tasks some time as if we have lots of // active sessions the thread cann take all the CPU if we // don't pause at all. We haven't found the best way to // do that yet. // usleep (10); yield(); } #endif // ndef WIN32 } #if defined(_MSC_VER) && _MSC_VER >= 1300 SingleThreadRTPSession::SingleThreadRTPSession( const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort, int pri, uint32 memberssize, RTPApplication& app) : Thread(pri), TRTPSessionBase (ia,dataPort,controlPort,memberssize,app) {} SingleThreadRTPSession::SingleThreadRTPSession( const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort, int pri, uint32 memberssize, RTPApplication& app, uint32 iface) : Thread(pri), TRTPSessionBase (ia,dataPort,controlPort,memberssize,app,iface) {} void SingleThreadRTPSession::startRunning() { enableStack(); Thread::start(); } bool SingleThreadRTPSession::isPendingData(microtimeout_t timeout) { return TRTPSessionBase::isPendingData(timeout); } void SingleThreadRTPSession::timerTick(void) {} void SingleThreadRTPSession::run(void) { microtimeout_t timeout = 0; while ( ServiceQueue::isActive() ) { if ( timeout < 1000 ){ // !(timeout/1000) timeout = getSchedulingTimeout(); } controlReceptionService(); controlTransmissionService(); microtimeout_t maxWait = timeval2microtimeout(getRTCPCheckInterval()); // make sure the scheduling timeout is // <= the check interval for RTCP // packets timeout = (timeout > maxWait)? maxWait : timeout; if ( timeout < 1000 ) { // !(timeout/1000) dispatchDataPacket(); timerTick(); } else { if ( isPendingData(timeout/1000) ) { takeInDataPacket(); } timeout = 0; } } dispatchBYE("GNU ccRTP stack finishing."); Thread::exit(); } #ifdef CCXX_IPV6 SingleThreadRTPSessionIPV6::SingleThreadRTPSessionIPV6( const IPV6Host& ia, tpport_t dataPort, tpport_t controlPort, int pri, uint32 memberssize, RTPApplication& app) : Thread(pri), TRTPSessionBaseIPV6 (ia,dataPort,controlPort,memberssize,app) {} SingleThreadRTPSessionIPV6::SingleThreadRTPSessionIPV6( const IPV6Multicast& ia, tpport_t dataPort, tpport_t controlPort, int pri, uint32 memberssize, RTPApplication& app, uint32 iface) : Thread(pri), TRTPSessionBaseIPV6 (ia,dataPort,controlPort,memberssize,app,iface) {} void SingleThreadRTPSessionIPV6::startRunning() { enableStack(); Thread::start(); } bool SingleThreadRTPSessionIPV6::isPendingData(microtimeout_t timeout) { return TRTPSessionBaseIPV6::isPendingData(timeout); } void SingleThreadRTPSessionIPV6::timerTick(void) {} void SingleThreadRTPSessionIPV6::run(void) { microtimeout_t timeout = 0; while ( ServiceQueue::isActive() ) { if ( timeout < 1000 ){ // !(timeout/1000) timeout = getSchedulingTimeout(); } controlReceptionService(); controlTransmissionService(); microtimeout_t maxWait = timeval2microtimeout(getRTCPCheckInterval()); // make sure the scheduling timeout is // <= the check interval for RTCP // packets timeout = (timeout > maxWait)? maxWait : timeout; if ( timeout < 1000 ) { // !(timeout/1000) dispatchDataPacket(); timerTick(); } else { if ( isPendingData(timeout/1000) ) { takeInDataPacket(); } timeout = 0; } } dispatchBYE("GNU ccRTP stack finishing."); Thread::exit(); } #endif #endif END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/Makefile.am0000664000175000017500000000322611767643350012417 00000000000000# Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2010 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // // RTPDuplex class implementation // #include "private.h" #include NAMESPACE_COMMONCPP RTPDuplex::RTPDuplex(const InetAddress &ia, tpport_t local, tpport_t remote) : RTPDataQueue(), UDPReceive(ia, local), UDPTransmit(ia, remote) { dataBasePort = local; } RTPDuplex::~RTPDuplex() { // Terminate both sockets. endTransmitter(); endReceiver(); } UDPSocket::Error RTPDuplex::connect(const InetHostAddress &ia, tpport_t port) { UDPTransmit::Error rtn; if(!port) port = dataBasePort; rtn = UDPTransmit::connect(ia, port); if(!rtn) rtn = UDPReceive::connect(ia, port + 1); if(rtn) return rtn; enableStack(); return UDPTransmit::errSuccess; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/control.cpp0000644000175000017500000013446412153104134012534 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file control.cpp * * @short QueueRTCPManager classes implementation. **/ #include "private.h" #include #include #include #include NAMESPACE_COMMONCPP const uint16 QueueRTCPManager::TIMEOUT_MULTIPLIER = 5; const double QueueRTCPManager::RECONSIDERATION_COMPENSATION = 2.718281828 - 1.5; const SDESItemType QueueRTCPManager::firstSchedulable = SDESItemTypeNAME; const SDESItemType QueueRTCPManager::lastSchedulable = SDESItemTypePRIV; /// maximum end to end delay: unlimited const microtimeout_t QueueRTCPManager::defaultEnd2EndDelay = 0; QueueRTCPManager::QueueRTCPManager(uint32 size, RTPApplication& app): RTPDataQueue(size), RTCPCompoundHandler(RTCPCompoundHandler::defaultPathMTU), queueApplication(app), srtcpIndex(0) { controlServiceActive = false; controlBwFract = 0.05f; sendControlBwFract = 0.25; recvControlBwFract = 1-sendControlBwFract; ctrlSendCount = 0; lowerHeadersSize = networkHeaderSize() + transportHeaderSize(); nextScheduledSDESItem = SDESItemTypeNAME; // initialize RTCP timing reconsInfo.rtcpTp.tv_sec = reconsInfo.rtcpTc.tv_sec = reconsInfo.rtcpTn.tv_sec = 0; reconsInfo.rtcpTp.tv_usec = reconsInfo.rtcpTc.tv_usec = reconsInfo.rtcpTn.tv_usec = 0; reconsInfo.rtcpPMembers = 1; rtcpWeSent = false; rtcpAvgSize = sizeof(RTCPFixedHeader) + sizeof(uint32) + sizeof(SenderInfo); rtcpInitial = true; // force an initial check for incoming RTCP packets SysTime::gettimeofday(&rtcpNextCheck,NULL); // check for incoming RTCP packets every 1/4 seconds. rtcpCheckInterval.tv_sec = 0; rtcpCheckInterval.tv_usec = 250000; timersub(&rtcpNextCheck,&rtcpCheckInterval,&rtcpLastCheck); lastSendPacketCount = 0; rtcpMinInterval = 5000000; // 5 seconds. leavingDelay = 1000000; // 1 second end2EndDelay = getDefaultEnd2EndDelay(); // Fill in fixed fields that will never change RTCPPacket* pkt = reinterpret_cast(rtcpSendBuffer); pkt->fh.version = CCRTP_VERSION; // (SSRCCollision will have to take this into account) pkt->info.SR.ssrc = getLocalSSRCNetwork(); // allow to start RTCP service once everything is set up controlServiceActive = true; } // TODO Streamline this code (same as above, put into a separate method) QueueRTCPManager::QueueRTCPManager(uint32 ssrc, uint32 size, RTPApplication& app): RTPDataQueue(&ssrc, size), RTCPCompoundHandler(RTCPCompoundHandler::defaultPathMTU), queueApplication(app), srtcpIndex(0) { controlServiceActive = false; controlBwFract = 0.05f; sendControlBwFract = 0.25; recvControlBwFract = 1-sendControlBwFract; ctrlSendCount = 0; lowerHeadersSize = networkHeaderSize() + transportHeaderSize(); nextScheduledSDESItem = SDESItemTypeNAME; // initialize RTCP timing reconsInfo.rtcpTp.tv_sec = reconsInfo.rtcpTc.tv_sec = reconsInfo.rtcpTn.tv_sec = 0; reconsInfo.rtcpTp.tv_usec = reconsInfo.rtcpTc.tv_usec = reconsInfo.rtcpTn.tv_usec = 0; reconsInfo.rtcpPMembers = 1; rtcpWeSent = false; rtcpAvgSize = sizeof(RTCPFixedHeader) + sizeof(uint32) + sizeof(SenderInfo); rtcpInitial = true; // force an initial check for incoming RTCP packets SysTime::gettimeofday(&rtcpNextCheck,NULL); // check for incoming RTCP packets every 1/4 seconds. rtcpCheckInterval.tv_sec = 0; rtcpCheckInterval.tv_usec = 250000; timersub(&rtcpNextCheck,&rtcpCheckInterval,&rtcpLastCheck); lastSendPacketCount = 0; rtcpMinInterval = 5000000; // 5 seconds. leavingDelay = 1000000; // 1 second end2EndDelay = getDefaultEnd2EndDelay(); // Fill in fixed fields that will never change RTCPPacket* pkt = reinterpret_cast(rtcpSendBuffer); pkt->fh.version = CCRTP_VERSION; // (SSRCCollision will have to take this into account) pkt->info.SR.ssrc = getLocalSSRCNetwork(); // allow to start RTCP service once everything is set up controlServiceActive = true; } QueueRTCPManager::~QueueRTCPManager() { endQueueRTCPManager(); } void QueueRTCPManager::endQueueRTCPManager() { controlServiceActive = false; controlBwFract = sendControlBwFract = 0; removeOutQueueCryptoContextCtrl(NULL); // remove the outgoing crypto context removeInQueueCryptoContextCtrl(NULL); // Remove any incoming crypto contexts } bool QueueRTCPManager::checkSSRCInRTCPPkt(SyncSourceLink& sourceLink, bool is_new, InetAddress& network_address, tpport_t transport_port) { bool result = true; // Test if the source is new and it is not the local one. if ( is_new && sourceLink.getSource()->getID() != getLocalSSRC() ) return result; SyncSource *s = sourceLink.getSource(); if ( s->getControlTransportPort() != transport_port || s->getNetworkAddress() != network_address ) { // SSRC collision or a loop has happened if ( s->getID() != getLocalSSRC() ) { // TODO: Optional error counter. // Note this differs from the default in the RFC. // Discard packet only when the collision is // repeating (to avoid flip-flopping) if ( sourceLink.getPrevConflict() && ( (network_address == sourceLink.getPrevConflict()->networkAddress) && (transport_port == sourceLink.getPrevConflict()->controlTransportPort) ) ) { // discard packet and do not flip-flop result = false; } else { // Record who has collided so that in // the future we can how if the // collision repeats. sourceLink.setPrevConflict(network_address, 0,transport_port); // Change sync source transport address setControlTransportPort(*s,transport_port); setNetworkAddress(*s,network_address); } } else { // Collision or loop of own packets. ConflictingTransportAddress* conflicting = searchControlConflict(network_address, transport_port); if ( conflicting ) { // Optional error counter. updateConflict(*conflicting); result = false; } else { // New collision addConflict(s->getNetworkAddress(), s->getDataTransportPort(), s->getControlTransportPort()); dispatchBYE("SSRC collision detected when receiving RTCP packet"); renewLocalSSRC(); setNetworkAddress(*s,network_address); setControlTransportPort(*s,transport_port); setControlTransportPort(*s,0); sourceLink.initStats(); } } } return result; } void QueueRTCPManager::controlReceptionService() { if ( !controlServiceActive ) return; // A) see if there are incoming RTCP packets SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); if ( timercmp(&(reconsInfo.rtcpTc),&rtcpNextCheck,>=) ) { while ( isPendingControl(0) ) takeInControlPacket(); // If this do loops more than once, then we have not // been in time. So it skips until the next future // instant. do { timeval tmp = rtcpNextCheck; timeradd(&rtcpLastCheck,&rtcpCheckInterval, &rtcpNextCheck); rtcpLastCheck = tmp; } while ( timercmp(&(reconsInfo.rtcpTc), &(rtcpNextCheck), >=) ); } } void QueueRTCPManager::controlTransmissionService() { if ( !controlServiceActive ) return; // B) send RTCP packets SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); if ( timercmp(&(reconsInfo.rtcpTc),&(reconsInfo.rtcpTn),>=) ) { if ( timerReconsideration() ) { // this would update to last received RTCP packets //while ( isPendingControl(0) ) // takeInControlPacket(); rtcpLastCheck = reconsInfo.rtcpTc; dispatchControlPacket(); if (rtcpInitial) rtcpInitial = false; expireSSRCs(); reconsInfo.rtcpTp = reconsInfo.rtcpTc; // we have updated tp and sent a report, so we // have to recalculate the sending interval timeval T = computeRTCPInterval(); timeradd(&(reconsInfo.rtcpTc),&T,&(reconsInfo.rtcpTn)); // record current number of members for the // next check. reconsInfo.rtcpPMembers = getMembersCount(); } } } bool QueueRTCPManager::timerReconsideration() { bool result = false; // compute again the interval to confirm it under current // circumstances timeval T = computeRTCPInterval(); timeradd(&(reconsInfo.rtcpTp),&T,&(reconsInfo.rtcpTn)); SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); if ( timercmp(&(reconsInfo.rtcpTc),&(reconsInfo.rtcpTn),>=) ) { reconsInfo.rtcpTp = reconsInfo.rtcpTc; result = true; } return result; } void QueueRTCPManager::expireSSRCs() {} void QueueRTCPManager::takeInControlPacket() { size_t len = 0; InetHostAddress network_address; tpport_t transport_port; len = recvControl(rtcpRecvBuffer,getPathMTU(),network_address, transport_port); // get time of arrival struct timeval recvtime; SysTime::gettimeofday(&recvtime,NULL); // process a 'len' octets long RTCP compound packet RTCPPacket *pkt = reinterpret_cast(rtcpRecvBuffer); CryptoContextCtrl* pcc = getInQueueCryptoContextCtrl(pkt->getSSRC()); if (pcc == NULL) { pcc = getInQueueCryptoContextCtrl(0); if (pcc != NULL) { pcc = pcc->newCryptoContextForSSRC(pkt->getSSRC()); if (pcc != NULL) { pcc->deriveSrtcpKeys(); setInQueueCryptoContextCtrl(pcc); } } } // If no crypto context: then SRTP/SRTCP is off // If crypto context is available then unprotect data here. If an error // occurs report the error and discard the packet. if (pcc != NULL) { int32 ret; if ((ret = unprotect(rtcpRecvBuffer, len, pcc)) < 0) { // TODO: do more error handling? return; } len = ret; // adjust length after unprotecting the packet } // Check validity of the header fields of the compound packet if ( !RTCPCompoundHandler::checkCompoundRTCPHeader(len) ) return; // TODO: for now, we do nothing with the padding bit // in the header. bool source_created; SyncSourceLink* sourceLink = getSourceBySSRC(pkt->getSSRC(),source_created); SyncSource* s = sourceLink->getSource(); if ( source_created ) { // Set control transport address. setControlTransportPort(*s,transport_port); // Network address is assumed to be the same as the control one setNetworkAddress(*s,network_address); sourceLink->initStats(); sourceLink->setProbation(getMinValidPacketSequence()); if ( sourceLink->getHello() ) onNewSyncSource(*s); } else if ( s->getControlTransportPort() == 0 ) { // Test if RTP data packets had been received but this // is the first control packet from this source. setControlTransportPort(*s,transport_port); } // record reception time sourceLink->lastRTCPPacketTime = recvtime; sourceLink->lastRTCPSRTime = recvtime; size_t pointer = 0; // Check the first packet is a report and do special // processing for SR reports. if ( RTCPPacket::tRR == pkt->fh.type ) { // no special initialization is required for // RR reports, all reports will be processed // in the do-while down here. } else if ( RTCPPacket::tSR == pkt->fh.type ){ if ( checkSSRCInRTCPPkt(*sourceLink,source_created, network_address, transport_port) ) sourceLink->lastRTCPSRTime = recvtime; onGotSR(*s,pkt->info.SR,pkt->fh.block_count); // Advance to the next packet in the compound. pointer += pkt->getLength(); pkt = reinterpret_cast(rtcpRecvBuffer +pointer); } else if ( RTCPPacket::tXR == pkt->fh.type ) { // TODO: handle XR reports. } else { // Ignore RTCP types unknown. } // Process all RR reports. while ( (pointer < len) && (RTCPPacket::tRR == pkt->fh.type) ) { sourceLink = getSourceBySSRC(pkt->getSSRC(), source_created); if ( checkSSRCInRTCPPkt(*sourceLink,source_created, network_address,transport_port) ) onGotRR(*s,pkt->info.RR,pkt->fh.block_count); // Advance to the next packet in the compound pointer += pkt->getLength(); pkt = reinterpret_cast(rtcpRecvBuffer +pointer); } // SDES, APP and BYE. process first everything but the // BYE packets. bool cname_found = false; while ( (pointer < len ) && (pkt->fh.type == RTCPPacket::tSDES || pkt->fh.type == RTCPPacket::tAPP) ) { I ( cname_found || !pkt->fh.padding ); sourceLink = getSourceBySSRC(pkt->getSSRC(), source_created); if ( checkSSRCInRTCPPkt(*sourceLink,source_created, network_address, transport_port) ) { if ( pkt->fh.type == RTCPPacket::tSDES ) { bool cname = onGotSDES(*s,*pkt); cname_found = cname_found? cname_found : cname; } else if ( pkt->fh.type == RTCPPacket::tAPP ) { onGotAPP(*s,pkt->info.APP,pkt->getLength()); // pointer += pkt->getLength(); } else { // error? } } // Get the next packet in the compound. pointer += pkt->getLength(); pkt = reinterpret_cast(rtcpRecvBuffer +pointer); } // TODO: error? if !cname_found // process BYE packets while ( pointer < len ) { if ( pkt->fh.type == RTCPPacket::tBYE ) { sourceLink = getSourceBySSRC(pkt->getSSRC(), source_created); if ( checkSSRCInRTCPPkt(*sourceLink,source_created, network_address, transport_port) ) getBYE(*pkt,pointer,len); } else if ( pkt->fh.type != RTCPPacket::tBYE ) { break; // TODO: check non-BYE out of place. } else { break; } } // Call plug-in in case there are profile extensions // at the end of the SR/RR. if ( pointer != len ) { onGotRRSRExtension(rtcpRecvBuffer + pointer, len - pointer); } // Everything went right, update the RTCP average size updateAvgRTCPSize(len); } bool QueueRTCPManager::end2EndDelayed(IncomingRTPPktLink& pl) { bool result = false; if ( 0 != getEnd2EndDelay() ) { SyncSourceLink* sl = pl.getSourceLink(); void* si = sl->getSenderInfo(); if ( NULL != si ) { RTCPSenderInfo rsi(si); uint32 tsInc = pl.getPacket()->getTimestamp() - rsi.getRTPTimestamp(); // approx. microtimeout_t Inc = tsInc * 1000 / (getCurrentRTPClockRate() / 1000); timeval timevalInc = microtimeout2Timeval(Inc); timeval tNTP = NTP2Timeval(rsi.getNTPTimestampInt(), rsi.getNTPTimestampFrac()); timeval packetTime; timeradd(&tNTP,&timevalInc,&packetTime); timeval now, diff; SysTime::gettimeofday(&now,NULL); timersub(&now,&packetTime,&diff); if ( timeval2microtimeout(diff) > getEnd2EndDelay() ) result = true; } } return result; } void QueueRTCPManager::onGotSR(SyncSource& source, SendReport& SR, uint8) { // We ignore the receiver blocks and just get the sender info // at the beginning of the SR. getLink(source)->setSenderInfo(reinterpret_cast(&(SR.sinfo))); } void QueueRTCPManager::onGotRR(SyncSource& source, RecvReport& RR, uint8 blocks) { for ( uint8 i = 0; i < blocks; i++) { // this generic RTCP manager ignores reports about // other sources than the local one if ( getLocalSSRCNetwork() == RR.ssrc ) { getLink(source)-> setReceiverInfo (reinterpret_cast(&(RR.blocks[i].rinfo))); } } } void QueueRTCPManager::updateAvgRTCPSize(size_t len) { size_t newlen = len; newlen += lowerHeadersSize; rtcpAvgSize = (uint16)(( (15 * rtcpAvgSize) >> 4 ) + ( newlen >> 4)); } bool QueueRTCPManager::getBYE(RTCPPacket& pkt, size_t& pointer, size_t) { if ( 0 == pkt.fh.block_count ) return false; char *reason = NULL; if ( (sizeof(RTCPFixedHeader) + pkt.fh.block_count * sizeof(uint32)) < pkt.getLength() ) { uint16 endpointer = (uint16)(pointer + sizeof(RTCPFixedHeader) + pkt.fh.block_count * sizeof(uint32)); uint16 len = rtcpRecvBuffer[endpointer]; reason = new char[len + 1]; memcpy(reason,rtcpRecvBuffer + endpointer + 1,len); reason[len] = '\0'; } else { // avoid dangerous conversion of NULL to a C++ string. reason = new char[1]; reason[0] = '\0'; } int i = 0; while ( i < pkt.fh.block_count ) { bool created; SyncSourceLink* srcLink = getSourceBySSRC(pkt.getSSRC(),created); i++; if( srcLink->getGoodbye() ) onGotGoodbye(*(srcLink->getSource()),reason); BYESource(pkt.getSSRC()); setState(*(srcLink->getSource()),SyncSource::stateLeaving); reverseReconsideration(); } delete [] reason; pointer += pkt.getLength(); return true; } void QueueRTCPManager::reverseReconsideration() { if ( getMembersCount() < reconsInfo.rtcpPMembers ) { timeval inc; // reconsider reconsInfo.rtcpTn (time for next RTCP packet) microtimeout_t t = (reconsInfo.rtcpTn.tv_sec - reconsInfo.rtcpTc.tv_sec) * 1000000 + (reconsInfo.rtcpTn.tv_usec - reconsInfo.rtcpTc.tv_usec); t *= getMembersCount(); t /= reconsInfo.rtcpPMembers; inc.tv_usec = t % 1000000; inc.tv_sec = t / 1000000; timeradd(&(reconsInfo.rtcpTc),&inc,&(reconsInfo.rtcpTn)); // reconsider tp (time for previous RTCP packet) t = (reconsInfo.rtcpTc.tv_sec - reconsInfo.rtcpTp.tv_sec) * 1000000 + (reconsInfo.rtcpTc.tv_usec - reconsInfo.rtcpTp.tv_usec); t *= getMembersCount(); t /= reconsInfo.rtcpPMembers; inc.tv_usec = t % 1000000; inc.tv_sec = t / 1000000; timeradd(&(reconsInfo.rtcpTc),&inc,&(reconsInfo.rtcpTp)); } reconsInfo.rtcpPMembers = getMembersCount(); } bool QueueRTCPManager::onGotSDES(SyncSource& source, RTCPPacket& pkt) { // Take into account that length fields in SDES items are // 8-bit long, so no ntoh[s|l] is required bool cname_found = false; std::ptrdiff_t pointer = reinterpret_cast(&pkt) - rtcpRecvBuffer; uint16 i = 0; do { size_t len = pkt.getLength(); pointer += sizeof(RTCPFixedHeader); SDESChunk* chunk = (SDESChunk*)(rtcpRecvBuffer + pointer); bool source_created = false; // TODO: avoid searching again the source of the first chunk. SyncSourceLink* sourceLink = getSourceBySSRC(chunk->getSSRC(), source_created); // TODO: check that there are no two chunks with the // same SSRC but different CNAME SyncSource& src = *( sourceLink->getSource() ); if ( onGotSDESChunk(source,*chunk,len) ) cname_found = true; pointer +=len; if( sourceLink->getHello() ) onNewSyncSource(src); i++; } while ( i < pkt.fh.block_count ); return cname_found; } bool QueueRTCPManager::onGotSDESChunk(SyncSource& source, SDESChunk& chunk, size_t len) { bool cname_found = false; bool end = false; SyncSourceLink* srcLink = getLink(source); Participant* part = source.getParticipant(); size_t pointer = sizeof(chunk.ssrc); // process chunk items while ( (pointer < len) && !end ) { SDESItem* item = reinterpret_cast(size_t(&(chunk)) + pointer); if ( item->type > SDESItemTypeEND && item->type <= SDESItemTypeLast) { pointer += sizeof(item->type) + sizeof(item->len) + item->len; if ( NULL == part && SDESItemTypeCNAME == item->type ) { const RTPApplication& app = getApplication(); std::string cname = std::string(item->data,item->len); const Participant* p = app.getParticipant(cname); if ( p ) { part = const_cast(p); setParticipant(*(srcLink->getSource()),*part); } else { part = new Participant("-"); addParticipant(const_cast(getApplication()),*part); } setParticipant(*(srcLink->getSource()),*part); } // support for CNAME updates if ( part ) setSDESItem(part,(SDESItemType)item->type, item->data,item->len); if ( item->type == SDESItemTypeCNAME) { cname_found = true; // note that CNAME must be send in // every RTCP compound, so we only // trust sources that include it. setState(*(srcLink->getSource()), SyncSource::stateActive); } } else if ( item->type == SDESItemTypeEND) { end = true; pointer++; pointer += (pointer & 0x03); // padding } else if ( item->type == SDESItemTypePRIV ) { std::ptrdiff_t prevpointer = pointer; uint8 plength = *( &(item->len) + 1 ); pointer += sizeof(item->type) + sizeof(item->len) + 1; if ( part ) setSDESItem(part,SDESItemTypePRIV, reinterpret_cast(item + pointer),plength); pointer += plength; setPRIVPrefix(part, reinterpret_cast(item + pointer), (item->len - 1 - plength)); pointer = prevpointer + item->len; } else { pointer++; // TODO: error: SDES unknown I( false ); } } return cname_found; } timeval QueueRTCPManager::computeRTCPInterval() { float bwfract = controlBwFract * getSessionBandwidth(); uint32 participants = getMembersCount(); if ( getSendersCount() > 0 && ( getSendersCount() < (getMembersCount() * sendControlBwFract) )) { // reserve "sendControlBwFract" fraction of the total // RTCP bandwith for senders. if (rtcpWeSent) { // we take the side of active senders bwfract *= sendControlBwFract; participants = getSendersCount(); } else { // we take the side of passive receivers bwfract *= recvControlBwFract; participants = getMembersCount() - getSendersCount(); } } microtimeout_t min_interval = rtcpMinInterval; // be a bit quicker at first if ( rtcpInitial ) min_interval /= 2; // this is the real computation: microtimeout_t interval = 0; if ( bwfract != 0 ) { interval = static_cast ((participants * rtcpAvgSize / bwfract) * 1000000); if ( interval < rtcpMinInterval ) interval = rtcpMinInterval; } else { // 100 seconds instead of infinite interval = 100000000; } interval = static_cast(interval * ( 0.5 + (rand() / (RAND_MAX + 1.0)))); timeval result; result.tv_sec = interval / 1000000; result.tv_usec = interval % 1000000; return result; } #define BYE_BUFFER_LENGTH 500 size_t QueueRTCPManager::dispatchBYE(const std::string& reason) { // for this method, see section 6.3.7 in RFC 3550 // never send a BYE packet if never sent an RTP or RTCP packet // before if ( !(getSendPacketCount() || getSendRTCPPacketCount()) ) return 0; if ( getMembersCount() > 50) { // Usurp the scheduler role and apply a back-off // algorithm to avoid BYE floods. SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); reconsInfo.rtcpTp = reconsInfo.rtcpTc; setMembersCount(1); setPrevMembersNum(1); rtcpInitial = true; rtcpWeSent = false; rtcpAvgSize = (uint16)(sizeof(RTCPFixedHeader) + sizeof(uint32) + strlen(reason.c_str()) + (4 - (strlen(reason.c_str()) & 0x03))); SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); timeval T = computeRTCPInterval(); timeradd(&(reconsInfo.rtcpTp),&T,&(reconsInfo.rtcpTn)); while ( timercmp(&(reconsInfo.rtcpTc),&(reconsInfo.rtcpTn),<) ) { getOnlyBye(); if ( timerReconsideration() ) break; SysTime::gettimeofday(&(reconsInfo.rtcpTc),NULL); } } unsigned char buffer[BYE_BUFFER_LENGTH] = {0}; // Build an empty RR as first packet in the compound. // TODO: provide more information if available. Not really // important, since this is the last packet being sent. RTCPPacket* pkt = reinterpret_cast(buffer); pkt->fh.version = CCRTP_VERSION; pkt->fh.padding = 0; pkt->fh.block_count = 0; pkt->fh.type = RTCPPacket::tRR; pkt->info.RR.ssrc= getLocalSSRCNetwork(); uint16 len1 = sizeof(RTCPFixedHeader) + sizeof(uint32); // 1st pkt len. pkt->fh.length = htons((len1 >> 2) - 1); uint16 len = len1; // whole compound len. // build a BYE packet uint16 padlen = 0; pkt = reinterpret_cast(buffer + len1); pkt->fh.version = CCRTP_VERSION; pkt->fh.block_count = 1; pkt->fh.type = RTCPPacket::tBYE; // add the SSRC identifier pkt->info.BYE.ssrc = getLocalSSRCNetwork(); len += sizeof(RTCPFixedHeader) + sizeof(BYEPacket); // add the optional reason if ( reason.c_str() != NULL ){ pkt->info.BYE.length = (uint8)strlen(reason.c_str()); memcpy(buffer + len,reason.c_str(),pkt->info.BYE.length); len += pkt->info.BYE.length; padlen = 4 - ((len - len1) & 0x03); if ( padlen ) { memset(buffer + len,0,padlen); len += padlen; pkt->info.BYE.length += padlen; } } pkt->fh.length = htons(((len - len1) >> 2) - 1); return sendControlToDestinations(buffer,len); } void QueueRTCPManager::getOnlyBye() { // This method is kind of simplified recvControl timeval wait; timersub(&(reconsInfo.rtcpTn),&(reconsInfo.rtcpTc),&wait); microtimeout_t timer = wait.tv_usec/1000 + wait.tv_sec * 1000; // wait up to reconsInfo.rtcpTn if ( !isPendingControl(timer) ) return; size_t len = 0; InetHostAddress network_address; tpport_t transport_port; while ( (len = recvControl(rtcpRecvBuffer,getPathMTU(), network_address,transport_port)) ) { // Process a len octets long RTCP compound packet // Check validity of the header fields of the compound packet if ( !RTCPCompoundHandler::checkCompoundRTCPHeader(len) ) return; // TODO: For now, we do nothing with the padding bit // in the header. uint32 pointer = 0; RTCPPacket* pkt; while ( pointer < len) { pkt = reinterpret_cast (rtcpRecvBuffer + pointer); if (pkt->fh.type == RTCPPacket::tBYE ) { bool created; SyncSourceLink* srcLink = getSourceBySSRC(pkt->getSSRC(), created); if( srcLink->getGoodbye() ) onGotGoodbye(*(srcLink->getSource()), ""); BYESource(pkt->getSSRC()); } pointer += pkt->getLength(); } } } size_t QueueRTCPManager::dispatchControlPacket(void) { rtcpInitial = false; // Keep in mind: always include a report (in SR or RR) and at // least a SDES with the local CNAME. It is mandatory. // (A) SR or RR, depending on whether we sent. // pkt will point to the packets of the compound RTCPPacket* pkt = reinterpret_cast(rtcpSendBuffer); // Fixed header of the first report pkt->fh.padding = 0; pkt->fh.version = CCRTP_VERSION; // length of the RTCP compound packet. It will increase till // the end of this routine. Both sender and receiver report // carry the general 32-bit long fixed header and a 32-bit // long SSRC identifier. uint16 len = sizeof(RTCPFixedHeader) + sizeof(uint32); // the fields block_count and length will be filled in later // now decide whether to send a SR or a SR if ( lastSendPacketCount != getSendPacketCount() ) { // we have sent rtp packets since last RTCP -> send SR lastSendPacketCount = getSendPacketCount(); pkt->fh.type = RTCPPacket::tSR; pkt->info.SR.ssrc = getLocalSSRCNetwork(); // Fill in sender info block. It would be more // accurate if this were done as late as possible. timeval now; SysTime::gettimeofday(&now,NULL); // NTP MSB and MSB: dependent on current payload type. pkt->info.SR.sinfo.NTPMSW = htonl(now.tv_sec + NTP_EPOCH_OFFSET); pkt->info.SR.sinfo.NTPLSW = htonl((uint32)(((double)(now.tv_usec)*(uint32)(~0))/1000000.0)); // RTP timestamp int32 tstamp = now.tv_usec - getInitialTime().tv_usec; tstamp *= (getCurrentRTPClockRate()/1000); tstamp /= 1000; tstamp += (now.tv_sec - getInitialTime().tv_sec) * getCurrentRTPClockRate(); tstamp += getInitialTimestamp(); pkt->info.SR.sinfo.RTPTimestamp = htonl(tstamp); // sender's packet and octet count pkt->info.SR.sinfo.packetCount = htonl(getSendPacketCount()); pkt->info.SR.sinfo.octetCount = htonl(getSendOctetCount()); len += sizeof(SenderInfo); } else { // RR pkt->fh.type = RTCPPacket::tRR; pkt->info.RR.ssrc = getLocalSSRCNetwork(); } // (B) put report blocks // After adding report blocks, we have to leave room for at // least a CNAME SDES item uint16 available = (uint16)(getPathMTU() - lowerHeadersSize - len - (sizeof(RTCPFixedHeader) + 2*sizeof(uint8) + getApplication().getSDESItem(SDESItemTypeCNAME).length()) - 100); // if we have to go to a new RR packet bool another = false; uint16 prevlen = 0; RRBlock* reports; if ( RTCPPacket::tRR == pkt->fh.type ) reports = pkt->info.RR.blocks; else // ( RTCPPacket::tSR == pkt->fh.type ) reports = pkt->info.SR.blocks; do { uint8 blocks = 0; pkt->fh.block_count = blocks = packReportBlocks(reports,len,available); // the length field specifies 32-bit words pkt->fh.length = htons( ((len - prevlen) >> 2) - 1); prevlen = len; if ( 31 == blocks ) { // we would need room for a new RR packet and // a CNAME SDES if ( len < (available - ( sizeof(RTCPFixedHeader) + sizeof(uint32) + sizeof(RRBlock))) ) { another = true; // Header for this new packet in the compound pkt = reinterpret_cast (rtcpSendBuffer + len); pkt->fh.version = CCRTP_VERSION; pkt->fh.padding = 0; pkt->fh.type = RTCPPacket::tRR; pkt->info.RR.ssrc = getLocalSSRCNetwork(); // appended a new Header and a report block len += sizeof(RTCPFixedHeader)+ sizeof(uint32); reports = pkt->info.RR.blocks; } else { another = false; } } else { another = false; } } while ( (len < available) && another ); // (C) SDES (CNAME) // each SDES chunk must be 32-bit multiple long // fill the padding with 0s packSDES(len); // TODO: virtual for sending APP RTCP packets? // actually send the packet. size_t count = sendControlToDestinations(rtcpSendBuffer,len); ctrlSendCount++; // Everything went right, update the RTCP average size updateAvgRTCPSize(len); return count; } void QueueRTCPManager::packSDES(uint16 &len) { uint16 prevlen = len; RTCPPacket* pkt = reinterpret_cast(rtcpSendBuffer + len); // Fill RTCP fixed header. Note fh.length is not set till the // end of this routine. pkt->fh.version = CCRTP_VERSION; pkt->fh.padding = 0; pkt->fh.block_count = 1; pkt->fh.type = RTCPPacket::tSDES; pkt->info.SDES.ssrc = getLocalSSRCNetwork(); pkt->info.SDES.item.type = SDESItemTypeCNAME; // put CNAME size_t cnameLen = getApplication().getSDESItem(SDESItemTypeCNAME).length(); const char* cname = getApplication().getSDESItem(SDESItemTypeCNAME).c_str(); pkt->info.SDES.item.len = (uint8)cnameLen; len += sizeof(RTCPFixedHeader) + sizeof(pkt->info.SDES.ssrc) + sizeof(pkt->info.SDES.item.type) + sizeof(pkt->info.SDES.item.len); memcpy((rtcpSendBuffer + len),cname,cnameLen); len += (uint16)cnameLen; // pack items other than CNAME (following priorities // stablished inside scheduleSDESItem()). SDESItemType nexttype = scheduleSDESItem(); if ( (nexttype > SDESItemTypeCNAME) && (nexttype <= SDESItemTypeLast ) ) { SDESItem *item = reinterpret_cast(rtcpSendBuffer + len); item->type = nexttype; const char *content = getApplication().getSDESItem(nexttype).c_str(); item->len = (uint8)strlen(content); len += 2; memcpy(reinterpret_cast(rtcpSendBuffer + len), content,item->len); len += item->len; } // pack END item (terminate list of items in this chunk) rtcpSendBuffer[len] = SDESItemTypeEND; len++; uint8 padding = len & 0x03; if ( padding ) { padding = 4 - padding; memset((rtcpSendBuffer + len),SDESItemTypeEND,padding); len += padding; } pkt->fh.length = htons((len - prevlen - 1) >>2); } uint8 QueueRTCPManager::packReportBlocks(RRBlock* blocks, uint16 &len, uint16& available) { uint8 j = 0; // pack as many report blocks as we can SyncSourceLink* i = getFirst(); for ( ; ( ( i != NULL ) && ( len < (available - sizeof(RTCPCompoundHandler::RRBlock)) ) && ( j < 31 ) ); i = i->getNext() ) { SyncSourceLink& srcLink = *i; // update stats. srcLink.computeStats(); blocks[j].ssrc = htonl(srcLink.getSource()->getID()); blocks[j].rinfo.fractionLost = srcLink.getFractionLost(); blocks[j].rinfo.lostMSB = (srcLink.getCumulativePacketLost() & 0xFF0000) >> 16; blocks[j].rinfo.lostLSW = htons(srcLink.getCumulativePacketLost() & 0xFFFF); blocks[j].rinfo.highestSeqNum = htonl(srcLink.getExtendedMaxSeqNum()); blocks[j].rinfo.jitter = htonl(static_cast(srcLink.getJitter())); RTCPCompoundHandler::SenderInfo* si = reinterpret_cast(srcLink.getSenderInfo()); if ( NULL == si ) { blocks[j].rinfo.lsr = 0; blocks[j].rinfo.dlsr = 0; } else { blocks[j].rinfo.lsr = htonl( ((ntohl(si->NTPMSW) & 0x0FFFF) << 16 )+ ((ntohl(si->NTPLSW) & 0xFFFF0000) >> 16) ); timeval now, diff; SysTime::gettimeofday(&now,NULL); timeval last = srcLink.getLastRTCPSRTime(); timersub(&now,&last,&diff); blocks[j].rinfo.dlsr = htonl(timevalIntervalTo65536(diff)); } len += sizeof(RTCPCompoundHandler::RRBlock); j++; } return j; } void QueueRTCPManager::setSDESItem(Participant* part, SDESItemType type, const char* const value, size_t len) { char* buf = new char[len + 1]; memcpy(buf,value,len); buf[len] = '\0'; ParticipantHandler::setSDESItem(part,type,buf); delete [] buf; } void QueueRTCPManager::setPRIVPrefix(Participant* part, const char* const value, size_t len) { char *buf = new char[len + 1]; memcpy(buf,value,len); buf[len] = '\0'; ParticipantHandler::setPRIVPrefix(part,buf); delete buf; } SDESItemType QueueRTCPManager::scheduleSDESItem() { uint8 i = 0; // TODO: follow, at least, standard priorities SDESItemType type = nextScheduledSDESItem; while ( (queueApplication.getSDESItem(type).length() <= 0) && i < (lastSchedulable - firstSchedulable) ) { i++; type = nextSDESType(type); } bool empty = true; if ( queueApplication.getSDESItem(type).length() > 0 ) empty = false; nextScheduledSDESItem = nextSDESType(type); if ( empty ) return SDESItemTypeEND; else return type; } SDESItemType QueueRTCPManager::nextSDESType(SDESItemType t) { t = static_cast( static_cast(t) + 1 ); if ( t > lastSchedulable ) t = firstSchedulable; return t; } size_t QueueRTCPManager::sendControlToDestinations(unsigned char* buffer, size_t len) { size_t count = 0; lockDestinationList(); // Cast to have easy access to ssrc et al RTCPPacket *pkt = reinterpret_cast(buffer); CryptoContextCtrl* pcc = getOutQueueCryptoContextCtrl(pkt->getSSRC()); if (pcc == NULL) { pcc = getOutQueueCryptoContextCtrl(0); if (pcc != NULL) { pcc = pcc->newCryptoContextForSSRC(pkt->getSSRC()); if (pcc != NULL) { pcc->deriveSrtcpKeys(); setOutQueueCryptoContextCtrl(pcc); } } } // If no crypto context: then SRTP/SRTCP is off // If crypto context is available then unprotect data here. If an error // occurs report the error and discard the packet. if (pcc != NULL) { len = protect(buffer, len, pcc); } if ( isSingleDestination() ) { count = sendControl(buffer,len); } else { // when no destination has been added, NULL == dest. for (std::list::iterator i = destList.begin(); destList.end() != i; i++) { TransportAddress* dest = *i; setControlPeer(dest->getNetworkAddress(), dest->getControlTransportPort()); count += sendControl(buffer,len); } } unlockDestinationList(); return count; } int32 QueueRTCPManager::protect(uint8* pkt, size_t len, CryptoContextCtrl* pcc) { /* Encrypt the packet */ uint32 ssrc = *(reinterpret_cast(pkt + 4)); // always SSRC of sender ssrc =ntohl(ssrc); pcc->srtcpEncrypt(pkt + 8, len - 8, srtcpIndex, ssrc); uint32 encIndex = srtcpIndex | 0x80000000; // set the E flag uint32* ip = reinterpret_cast(pkt+len); *ip = htonl(encIndex); // NO MKI support yet - here we assume MKI is zero. To build in MKI // take MKI length into account when storing the authentication tag. // Compute MAC and store in packet after the SRTCP index field pcc->srtcpAuthenticate(pkt, len, encIndex, pkt + len + sizeof(uint32)); srtcpIndex++; srtcpIndex &= ~0x80000000; // clear possible overflow return len + pcc->getTagLength() + sizeof(uint32); } int32 QueueRTCPManager::unprotect(uint8* pkt, size_t len, CryptoContextCtrl* pcc) { if (pcc == NULL) { return true; } // Compute the total length of the payload uint32 payloadLen = len - (pcc->getTagLength() + pcc->getMkiLength() + 4); // point to the SRTCP index field just after the real payload const uint32* index = reinterpret_cast(pkt + payloadLen); uint32 ssrc = *(reinterpret_cast(pkt + 4)); // always SSRC of sender ssrc =ntohl(ssrc); uint32 encIndex = ntohl(*index); uint32 remoteIndex = encIndex & ~0x80000000; // index without Encryption flag if (!pcc->checkReplay(remoteIndex)) { return -2; } uint8 mac[20]; // Now get a pointer to the authentication tag field const uint8* tag = pkt + (len - pcc->getTagLength()); // Authenticate includes the index, but not MKI and not (obviously) the tag itself pcc->srtcpAuthenticate(pkt, payloadLen, encIndex, mac); if (memcmp(tag, mac, pcc->getTagLength()) != 0) { return -1; } // Decrypt the content, exclude the very first SRTCP header (fixed, 8 bytes) if (encIndex & 0x80000000) pcc->srtcpEncrypt(pkt + 8, payloadLen - 8, remoteIndex, ssrc); // Update the Crypto-context pcc->update(remoteIndex); return payloadLen; } void QueueRTCPManager::setOutQueueCryptoContextCtrl(CryptoContextCtrl* cc) { std::list::iterator i; MutexLock lock(outCryptoMutex); // check if a CryptoContext for a SSRC already exists. If yes // remove it from list before inserting the new one. for( i = outCryptoContexts.begin(); i!= outCryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContextCtrl* tmp = *i; outCryptoContexts.erase(i); delete tmp; break; } } outCryptoContexts.push_back(cc); } void QueueRTCPManager::removeOutQueueCryptoContextCtrl(CryptoContextCtrl* cc) { std::list::iterator i; MutexLock lock(outCryptoMutex); if (cc == NULL) { // Remove any incoming crypto contexts for (i = outCryptoContexts.begin(); i != outCryptoContexts.end(); ) { CryptoContextCtrl* tmp = *i; i = outCryptoContexts.erase(i); delete tmp; } } else { for( i = outCryptoContexts.begin(); i != outCryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContextCtrl* tmp = *i; outCryptoContexts.erase(i); delete tmp; return; } } } } CryptoContextCtrl* QueueRTCPManager::getOutQueueCryptoContextCtrl(uint32 ssrc) { std::list::iterator i; MutexLock lock(outCryptoMutex); for( i = outCryptoContexts.begin(); i != outCryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == ssrc) { return (*i); } } return NULL; } void QueueRTCPManager::setInQueueCryptoContextCtrl(CryptoContextCtrl* cc) { std::list::iterator i; MutexLock lock(inCryptoMutex); // check if a CryptoContext for a SSRC already exists. If yes // remove it from list before inserting the new one. for( i = inCryptoContexts.begin(); i!= inCryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContextCtrl* tmp = *i; inCryptoContexts.erase(i); delete tmp; break; } } inCryptoContexts.push_back(cc); } void QueueRTCPManager::removeInQueueCryptoContextCtrl(CryptoContextCtrl* cc) { std::list::iterator i; MutexLock lock(inCryptoMutex); if (cc == NULL) { // Remove any incoming crypto contexts for (i = inCryptoContexts.begin(); i != inCryptoContexts.end(); ) { CryptoContextCtrl* tmp = *i; i = inCryptoContexts.erase(i); delete tmp; } } else { for( i = inCryptoContexts.begin(); i!= inCryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContextCtrl* tmp = *i; inCryptoContexts.erase(i); delete tmp; return; } } } } CryptoContextCtrl* QueueRTCPManager::getInQueueCryptoContextCtrl(uint32 ssrc) { std::list::iterator i; MutexLock lock(inCryptoMutex); for( i = inCryptoContexts.begin(); i!= inCryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == ssrc) { return (*i); } } return NULL; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/incqueue.cpp0000664000175000017500000006563512006011443012674 00000000000000// Copyright (C) 2001,2002,2004 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #include "private.h" #include NAMESPACE_COMMONCPP const size_t IncomingDataQueueBase::defaultMaxRecvPacketSize = 65534; ConflictHandler::ConflictingTransportAddress:: ConflictingTransportAddress(InetAddress na,tpport_t dtp, tpport_t ctp): networkAddress(na), dataTransportPort(dtp), controlTransportPort(ctp), next(NULL) { SysTime::gettimeofday(&lastPacketTime,NULL); } ConflictHandler::ConflictingTransportAddress* ConflictHandler::searchDataConflict(InetAddress na, tpport_t dtp) { ConflictingTransportAddress* result = firstConflict; while ( result->networkAddress != na || result->dataTransportPort != dtp) result = result->next; return result; } ConflictHandler::ConflictingTransportAddress* ConflictHandler::searchControlConflict(InetAddress na, tpport_t ctp) { ConflictingTransportAddress* result = firstConflict; while ( result && (result->networkAddress != na || result->controlTransportPort != ctp) ) result = result->next; return result; } void ConflictHandler::addConflict(const InetAddress& na, tpport_t dtp, tpport_t ctp) { ConflictingTransportAddress* nc = new ConflictingTransportAddress(na,dtp,ctp); if ( lastConflict ) { lastConflict->setNext(nc); lastConflict = nc; } else { firstConflict = lastConflict = nc; } } const uint8 IncomingDataQueue::defaultMinValidPacketSequence = 0; const uint16 IncomingDataQueue::defaultMaxPacketMisorder = 0; const uint16 IncomingDataQueue::defaultMaxPacketDropout = 3000; const size_t IncomingDataQueue::defaultMembersSize = MembershipBookkeeping::defaultMembersHashSize; IncomingDataQueue::IncomingDataQueue(uint32 size) : IncomingDataQueueBase(), MembershipBookkeeping(size) { recvFirst = recvLast = NULL; sourceExpirationPeriod = 5; // 5 RTCP report intervals minValidPacketSequence = getDefaultMinValidPacketSequence(); maxPacketDropout = getDefaultMaxPacketDropout(); maxPacketMisorder = getDefaultMaxPacketMisorder(); } void IncomingDataQueue::purgeIncomingQueue() { IncomingRTPPktLink* recvnext; // flush the reception queue (incoming packets not yet // retrieved) recvLock.writeLock(); while( recvFirst ) { recvnext = recvFirst->getNext(); // nullify source specific packet list SyncSourceLink *s = recvFirst->getSourceLink(); s->setFirst(NULL); s->setLast(NULL); delete recvFirst->getPacket(); delete recvFirst; recvFirst = recvnext; } recvLock.unlock(); } void IncomingDataQueue::renewLocalSSRC() { const uint32 MAXTRIES = 20; uint32 newssrc; uint16 tries = 0; do { newssrc = random32(); tries++; } while ( (tries < MAXTRIES) && isRegistered(newssrc) ); if ( MAXTRIES == tries ) { // TODO we are in real trouble. } } bool IncomingDataQueue::isWaiting(const SyncSource* src) const { bool w; recvLock.readLock(); if ( NULL == src ) w = ( NULL != recvFirst); else w = isMine(*src) && ( NULL != getLink(*src)->getFirst() ); recvLock.unlock(); return w; } uint32 IncomingDataQueue::getFirstTimestamp(const SyncSource* src) const { recvLock.readLock(); // get the first packet IncomingRTPPktLink* packetLink; if ( NULL == src ) packetLink = recvFirst; else packetLink = isMine(*src) ? getLink(*src)->getFirst() : NULL; // get the timestamp of the first packet uint32 ts; if ( packetLink ) ts = packetLink->getTimestamp(); else ts = 0l; recvLock.unlock(); return ts; } size_t IncomingDataQueue::takeInDataPacket(void) { InetHostAddress network_address; tpport_t transport_port; uint32 nextSize = (uint32)getNextDataPacketSize(); unsigned char* buffer = new unsigned char[nextSize]; int32 rtn = (int32)recvData(buffer,nextSize,network_address,transport_port); if ( (rtn < 0) || ((uint32)rtn > getMaxRecvPacketSize()) ){ delete buffer; return 0; } // get time of arrival struct timeval recvtime; SysTime::gettimeofday(&recvtime,NULL); // Special handling of padding to take care of encrypted content. // In case of SRTP the padding length field is also encrypted, thus // it gives a wrong length. Check and clear padding bit before // creating the RTPPacket. Will be set and re-computed after a possible // SRTP decryption. uint8 padSet = (*buffer & 0x20); if (padSet) { *buffer = *buffer & ~0x20; // clear padding bit } // build a packet. It will link itself to its source IncomingRTPPkt* packet = new IncomingRTPPkt(buffer,rtn); // Generic header validity check. if ( !packet->isHeaderValid() ) { delete packet; return 0; } CryptoContext* pcc = getInQueueCryptoContext( packet->getSSRC()); if (pcc == NULL) { pcc = getInQueueCryptoContext(0); if (pcc != NULL) { pcc = pcc->newCryptoContextForSSRC(packet->getSSRC(), 0, 0L); if (pcc != NULL) { pcc->deriveSrtpKeys(0); setInQueueCryptoContext(pcc); } } } if (pcc != NULL) { int32 ret = packet->unprotect(pcc); if (ret < 0) { if (!onSRTPPacketError(*packet, ret)) { delete packet; return 0; } } } if (padSet) { packet->reComputePayLength(true); } // virtual for profile-specific validation and processing. if ( !onRTPPacketRecv(*packet) ) { delete packet; return 0; } bool source_created; SyncSourceLink* sourceLink = getSourceBySSRC(packet->getSSRC(),source_created); SyncSource* s = sourceLink->getSource(); if ( source_created ) { // Set data transport address. setDataTransportPort(*s,transport_port); // Network address is assumed to be the same as the control one setNetworkAddress(*s,network_address); sourceLink->initStats(); // First packet arrival time. sourceLink->setInitialDataTime(recvtime); sourceLink->setProbation(getMinValidPacketSequence()); if ( sourceLink->getHello() ) onNewSyncSource(*s); } else if ( 0 == s->getDataTransportPort() ) { // Test if RTCP packets had been received but this is the // first data packet from this source. setDataTransportPort(*s,transport_port); } // Before inserting in the queue, // 1) check for collisions and loops. If the packet cannot be // assigned to a source, it will be rejected. // 2) check the source is a sufficiently well known source // TODO: also check CSRC identifiers. if ( checkSSRCInIncomingRTPPkt(*sourceLink,source_created, network_address,transport_port) && recordReception(*sourceLink,*packet,recvtime) ) { // now the packet link is linked in the queues IncomingRTPPktLink* packetLink = new IncomingRTPPktLink(packet, sourceLink, recvtime, packet->getTimestamp() - sourceLink->getInitialDataTimestamp(), NULL,NULL,NULL,NULL); insertRecvPacket(packetLink); } else { // must be discarded due to collision or loop or // invalid source delete packet; } // ccRTP keeps packets from the new source, but avoids // flip-flopping. This allows losing less packets and for // mobile telephony applications or other apps that may change // the source transport address during the session. return rtn; } bool IncomingDataQueue::checkSSRCInIncomingRTPPkt(SyncSourceLink& sourceLink, bool is_new, InetAddress& network_address, tpport_t transport_port) { bool result = true; // Test if the source is new and it is not the local one. if ( is_new && sourceLink.getSource()->getID() != getLocalSSRC() ) return result; SyncSource *s = sourceLink.getSource(); if ( s->getDataTransportPort() != transport_port || s->getNetworkAddress() != network_address ) { // SSRC collision or a loop has happened if ( s->getID() != getLocalSSRC() ) { // TODO: Optional error counter. // Note this differs from the default in the RFC. // Discard packet only when the collision is // repeating (to avoid flip-flopping) if ( sourceLink.getPrevConflict() && ( (network_address == sourceLink.getPrevConflict()->networkAddress) && (transport_port == sourceLink.getPrevConflict()->dataTransportPort) ) ) { // discard packet and do not flip-flop result = false; } else { // Record who has collided so that in // the future we can how if the // collision repeats. sourceLink.setPrevConflict(network_address, transport_port,0); // Change sync source transport address setDataTransportPort(*s,transport_port); setNetworkAddress(*s,network_address); } } else { // Collision or loop of own packets. ConflictingTransportAddress* conflicting = searchDataConflict(network_address, transport_port); if ( conflicting ) { // Optional error counter. updateConflict(*conflicting); result = false; } else { // New collision addConflict(s->getNetworkAddress(), s->getDataTransportPort(), s->getControlTransportPort()); dispatchBYE("SSRC collision detected when receiving data packet."); renewLocalSSRC(); setNetworkAddress(*s,network_address); setDataTransportPort(*s,transport_port); setControlTransportPort(*s,0); sourceLink.initStats(); sourceLink.setProbation(getMinValidPacketSequence()); } } } return result; } bool IncomingDataQueue::insertRecvPacket(IncomingRTPPktLink* packetLink) { SyncSourceLink *srcLink = packetLink->getSourceLink(); unsigned short seq = packetLink->getPacket()->getSeqNum(); recvLock.writeLock(); IncomingRTPPktLink* plink = srcLink->getLast(); if ( plink && (seq < plink->getPacket()->getSeqNum()) ) { // a disordered packet, so look for its place while ( plink && (seq < plink->getPacket()->getSeqNum()) ){ // the packet is a duplicate if ( seq == plink->getPacket()->getSeqNum() ) { recvLock.unlock(); VDL(("Duplicated disordered packet: seqnum %d, SSRC:", seq,srcLink->getSource()->getID())); delete packetLink->getPacket(); delete packetLink; return false; } plink = plink->getSrcPrev(); } if ( !plink ) { // we have scanned the whole (and non empty) // list, so this must be the older (first) // packet from this source. // insert into the source specific queue IncomingRTPPktLink* srcFirst = srcLink->getFirst(); srcFirst->setSrcPrev(packetLink); packetLink->setSrcNext(srcFirst); // insert into the global queue IncomingRTPPktLink* prevFirst = srcFirst->getPrev(); if ( prevFirst ){ prevFirst->setNext(packetLink); packetLink->setPrev(prevFirst); } srcFirst->setPrev(packetLink); packetLink->setNext(srcFirst); srcLink->setFirst(packetLink); } else { // (we are in the middle of the source list) // insert into the source specific queue plink->getSrcNext()->setSrcPrev(packetLink); packetLink->setSrcNext(plink->getSrcNext()); // -- insert into the global queue, with the // minimum priority compared to packets from // other sources plink->getSrcNext()->getPrev()->setNext(packetLink); packetLink->setPrev(plink->getSrcNext()->getPrev()); plink->getSrcNext()->setPrev(packetLink); packetLink->setNext(plink->getSrcNext()); // ------ plink->setSrcNext(packetLink); packetLink->setSrcPrev(plink); // insert into the global queue (giving // priority compared to packets from other sources) //list->getNext->setPrev(packetLink); //packetLink->setNext(list->getNext); //list->setNext(packet); //packet->setPrev(list); } } else { // An ordered packet if ( !plink ) { // the only packet in the source specific queue srcLink->setLast(packetLink); srcLink->setFirst(packetLink); // the last packet in the global queue if ( recvLast ) { recvLast->setNext(packetLink); packetLink->setPrev(recvLast); } recvLast = packetLink; if ( !recvFirst ) recvFirst = packetLink; } else { // there are already more packets from this source. // this ignores duplicate packets if ( plink && (seq == plink->getPacket()->getSeqNum()) ) { VDL(("Duplicated packet: seqnum %d, SSRC:", seq,srcLink->getSource->getID())); recvLock.unlock(); delete packetLink->getPacket(); delete packetLink; return false; } // the last packet in the source specific queue srcLink->getLast()->setSrcNext(packetLink); packetLink->setSrcPrev(srcLink->getLast()); srcLink->setLast(packetLink); // the last packet in the global queue recvLast->setNext(packetLink); packetLink->setPrev(recvLast); recvLast = packetLink; } } // account the insertion of this packet into the queue srcLink->recordInsertion(*packetLink); recvLock.unlock(); // packet successfully inserted return true; } const AppDataUnit* IncomingDataQueue::getData(uint32 stamp, const SyncSource* src) { IncomingRTPPktLink* pl; // unsigned count = 0; AppDataUnit* result; if ( NULL != (pl = getWaiting(stamp,src)) ) { IncomingRTPPkt* packet = pl->getPacket(); // size_t len = packet->getPayloadSize(); SyncSource &src = *(pl->getSourceLink()->getSource()); result = new AppDataUnit(*packet,src); // delete the packet link, but not the packet delete pl; // count += len; } else { result = NULL; } return result; } // FIX: try to merge and organize IncomingDataQueue::IncomingRTPPktLink* IncomingDataQueue::getWaiting(uint32 timestamp, const SyncSource* src) { if ( src && !isMine(*src) ) return NULL; IncomingRTPPktLink *result; recvLock.writeLock(); if ( src != NULL ) { // process source specific queries: // we will modify the queue of this source SyncSourceLink* srcm = getLink(*src); // first, delete all older packets. The while loop // down here counts how many older packets are there; // then the for loop deletes them and advances l till // the first non older packet. int nold = 0; IncomingRTPPktLink* l = srcm->getFirst(); if ( !l ) { result = NULL; recvLock.unlock(); return result; } while ( l && ((l->getTimestamp() < timestamp) || end2EndDelayed(*l))) { nold++; l = l->getSrcNext(); } // to know whether the global queue gets empty bool nonempty = false; for ( int i = 0; i < nold; i++) { l = srcm->getFirst(); srcm->setFirst(srcm->getFirst()->getSrcNext());; // unlink from the global queue nonempty = false; if ( l->getPrev() ){ nonempty = true; l->getPrev()->setNext(l->getNext()); } if ( l->getNext() ) { nonempty = true; l->getNext()->setPrev(l->getPrev()); } // now, delete it onExpireRecv(*(l->getPacket()));// notify packet discard delete l->getPacket(); delete l; } // return the packet, if found if ( !srcm->getFirst() ) { // threre are no more packets from this source srcm->setLast(NULL); if ( !nonempty ) recvFirst = recvLast = NULL; result = NULL; } else if ( srcm->getFirst()->getTimestamp() > timestamp ) { // threre are only newer packets from this source srcm->getFirst()->setSrcPrev(NULL); result = NULL; } else { // (src->getFirst()->getTimestamp() == stamp) is true result = srcm->getFirst(); // unlink the selected packet from the global queue if ( result->getPrev() ) result->getPrev()->setNext(result->getNext()); else recvFirst = result->getNext(); if ( result->getNext() ) result->getNext()->setPrev(result->getPrev()); else recvLast = result->getPrev(); // unlink the selected packet from the source queue srcm->setFirst(result->getSrcNext()); if ( srcm->getFirst() ) srcm->getFirst()->setPrev(NULL); else srcm->setLast(NULL); } } else { // process source unspecific queries int nold = 0; IncomingRTPPktLink* l = recvFirst; while ( l && (l->getTimestamp() < timestamp || end2EndDelayed(*l) ) ){ nold++; l = l->getNext(); } for (int i = 0; i < nold; i++) { IncomingRTPPktLink* l = recvFirst; recvFirst = recvFirst->getNext(); // unlink the packet from the queue of its source SyncSourceLink* src = l->getSourceLink(); src->setFirst(l->getSrcNext()); if ( l->getSrcNext() ) l->getSrcNext()->setSrcPrev(NULL); else src->setLast(NULL); // now, delete it onExpireRecv(*(l->getPacket()));// notify packet discard delete l->getPacket(); delete l; } // return the packet, if found if ( !recvFirst ) { // there are no more packets in the queue recvLast = NULL; result = NULL; } else if ( recvFirst->getTimestamp() > timestamp ) { // there are only newer packets in the queue l->setPrev(NULL); result = NULL; } else { // (recvFirst->getTimestamp() == stamp) is true result = recvFirst; // unlink the selected packet from the global queue recvFirst = recvFirst->getNext(); if ( recvFirst ) recvFirst->setPrev(NULL); else recvLast = NULL; // unlink the selected packet from the queue // of its source SyncSourceLink* src = result->getSourceLink(); src->setFirst(result->getSrcNext()); if ( src->getFirst() ) src->getFirst()->setSrcPrev(NULL); else src->setLast(NULL); } } recvLock.unlock(); return result; } bool IncomingDataQueue::recordReception(SyncSourceLink& srcLink, const IncomingRTPPkt& pkt, const timeval recvtime) { bool result = true; // Source validation. SyncSource* src = srcLink.getSource(); if ( !(srcLink.isValid()) ) { // source is not yet valid. if ( pkt.getSeqNum() == srcLink.getMaxSeqNum() + 1 ) { // packet in sequence. srcLink.decProbation(); if ( srcLink.isValid() ) { // source has become valid. // TODO: avoid this the first time. srcLink.initSequence(pkt.getSeqNum()); } else { result = false; } } else { // packet not in sequence. srcLink.probation = getMinValidPacketSequence() - 1; result = false; } srcLink.setMaxSeqNum(pkt.getSeqNum()); } else { // source was already valid. uint16 step = pkt.getSeqNum() - srcLink.getMaxSeqNum(); if ( step < getMaxPacketDropout() ) { // Ordered, with not too high step. if ( pkt.getSeqNum() < srcLink.getMaxSeqNum() ) { // sequene number wrapped. srcLink.incSeqNumAccum(); } srcLink.setMaxSeqNum(pkt.getSeqNum()); } else if ( step <= (SEQNUMMOD - getMaxPacketMisorder()) ) { // too high step of the sequence number. if ( pkt.getSeqNum() == srcLink.getBadSeqNum() ) { srcLink.initSequence(pkt.getSeqNum()); } else { srcLink.setBadSeqNum((pkt.getSeqNum() + 1) & (SEQNUMMOD - 1) ); //This additional check avoids that //the very first packet from a source //be discarded. if ( 0 < srcLink.getObservedPacketCount() ) { result = false; } else { srcLink.setMaxSeqNum(pkt.getSeqNum()); } } } else { // duplicate or reordered packet } } if ( result ) { // the packet is considered valid. srcLink.incObservedPacketCount(); srcLink.incObservedOctetCount(pkt.getPayloadSize()); srcLink.lastPacketTime = recvtime; if ( srcLink.getObservedPacketCount() == 1 ) { // ooops, it's the first packet from this source setSender(*src,true); srcLink.setInitialDataTimestamp(pkt.getTimestamp()); } // we record the last time a packet from this source // was received, this has statistical interest and is // needed to time out old senders that are no sending // any longer. // compute the interarrival jitter estimation. timeval tarrival; timeval lastT = srcLink.getLastPacketTime(); timeval initial = srcLink.getInitialDataTime(); timersub(&lastT,&initial,&tarrival); uint32 arrival = timeval2microtimeout(tarrival) * getCurrentRTPClockRate(); uint32 transitTime = arrival - pkt.getTimestamp(); int32 delta = transitTime - srcLink.getLastPacketTransitTime(); srcLink.setLastPacketTransitTime(transitTime); if ( delta < 0 ) delta = -delta; srcLink.setJitter( srcLink.getJitter() + (1.0f / 16.0f) * (static_cast(delta) - srcLink.getJitter())); } return result; } void IncomingDataQueue::recordExtraction(const IncomingRTPPkt&) {} void IncomingDataQueue::setInQueueCryptoContext(CryptoContext* cc) { std::list::iterator i; MutexLock lock(cryptoMutex); // check if a CryptoContext for a SSRC already exists. If yes // remove it from list before inserting the new one. for( i = cryptoContexts.begin(); i!= cryptoContexts.end(); i++ ) { if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContext* tmp = *i; cryptoContexts.erase(i); delete tmp; break; } } cryptoContexts.push_back(cc); } void IncomingDataQueue::removeInQueueCryptoContext(CryptoContext* cc) { std::list::iterator i; MutexLock lock(cryptoMutex); if (cc == NULL) { // Remove any incoming crypto contexts for (i = cryptoContexts.begin(); i != cryptoContexts.end(); ) { CryptoContext* tmp = *i; i = cryptoContexts.erase(i); delete tmp; } } else { for( i = cryptoContexts.begin(); i!= cryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == cc->getSsrc() ) { CryptoContext* tmp = *i; cryptoContexts.erase(i); delete tmp; return; } } } } CryptoContext* IncomingDataQueue::getInQueueCryptoContext(uint32 ssrc) { std::list::iterator i; MutexLock lock(cryptoMutex); for( i = cryptoContexts.begin(); i!= cryptoContexts.end(); i++ ){ if( (*i)->getSsrc() == ssrc) { return (*i); } } return NULL; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/data.cpp0000664000175000017500000000501311767643350011774 00000000000000// Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file data.cpp * @short AppDataUnit class implementation. **/ #include "private.h" #include NAMESPACE_COMMONCPP AppDataUnit::AppDataUnit(const IncomingRTPPkt& packet, const SyncSource& src): datablock(&packet), source(&src) { } AppDataUnit::AppDataUnit(const AppDataUnit &origin): datablock(origin.datablock), source(origin.source) { ++datablock; } AppDataUnit& AppDataUnit::operator=(const AppDataUnit &rhs) { datablock.operator=(rhs.datablock); source = rhs.source; return *this; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/rtcppkt.cpp0000644000175000017500000001076312153104134012536 00000000000000// Copyright (C) 2001,2002,2007 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file rtcppkt.cpp * * @short RTCPCompoundHandler class implementation. **/ #include "private.h" #include NAMESPACE_COMMONCPP #if __BYTE_ORDER == __BIG_ENDIAN const uint16 RTCPCompoundHandler::RTCP_VALID_MASK = (0xc000 | 0x2000 | 0xfe); const uint16 RTCPCompoundHandler::RTCP_VALID_VALUE = ((CCRTP_VERSION << 14) | RTCPPacket::tSR); #else const uint16 RTCPCompoundHandler::RTCP_VALID_MASK = (0x00c0 | 0x0020 | 0xfe00); const uint16 RTCPCompoundHandler::RTCP_VALID_VALUE = ((CCRTP_VERSION << 6) | (RTCPPacket::tSR << 8)); #endif timeval NTP2Timeval(uint32 msw, uint32 lsw) { struct timeval t; t.tv_sec = msw - NTP_EPOCH_OFFSET; t.tv_usec = (uint32)((((double)lsw) * 1000000.0) / ((uint32)(~0))); return t; } uint32 timevalIntervalTo65536(timeval& t) { const uint32 f = 65536; uint32 result = t.tv_sec * f; result += (t.tv_usec << 12) / 125000 * 2; // * (4096 / 125000) * 2 return result; } timeval microtimeout2Timeval(microtimeout_t to) { timeval result; result.tv_sec = to % 1000000; result.tv_usec = to / 1000000; return result; } RTCPCompoundHandler::RTCPCompoundHandler(uint16 mtu) : rtcpSendBuffer(new unsigned char[mtu]()), rtcpRecvBuffer(new unsigned char[mtu]()), pathMTU(mtu) { } RTCPCompoundHandler::~RTCPCompoundHandler() { #ifdef CCXX_EXCEPTIONS try { #endif delete [] rtcpRecvBuffer; #ifdef CCXX_EXCEPTIONS } catch (...) {} try { #endif delete [] rtcpSendBuffer; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } bool RTCPCompoundHandler::checkCompoundRTCPHeader(size_t len) { // Note that the first packet in the compount --in order to // detect possibly misaddressed RTP packets-- is more // thoroughly checked than the following. This mask checks the // first packet's version, padding (must be zero) and type // (must be SR or RR). if ( (*(reinterpret_cast(rtcpRecvBuffer)) & RTCP_VALID_MASK) != RTCP_VALID_VALUE ) { return false; } // this checks that every packet in the compound is tagged // with version == CCRTP_VERSION, and the length of the compound // packet matches the addition of the packets lenghts uint32 pointer = 0; RTCPPacket* pkt; do { pkt = reinterpret_cast (rtcpRecvBuffer + pointer); pointer += (ntohs(pkt->fh.length)+1) << 2; } while ( (pointer < len) && (CCRTP_VERSION == pkt->fh.version) ); if ( pointer != len ) return false; return true; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/private.h0000664000175000017500000001105712006011443012162 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception to the GNU General Public License, permission is // granted for additional uses of the text contained in its release // of ccRTP. // // The exception is that, if you link the ccRTP library with other // files to produce an executable, this does not by itself cause the // resulting executable to be covered by the GNU General Public License. // Your use of that executable is in no way restricted on account of // linking the ccRTP library code into it. // // This exception does not however invalidate any other reasons why // the executable file might be covered by the GNU General Public License. // // This exception applies only to the code released under the // name ccRTP. If you copy code from other releases into a copy of // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. /** * @file private.h * @brief Declaration of ccRTP internal stuff. * * This header includes the autogenerated config.h, the general header * (rtp.h) and the nana assertion checking library headers. It also * defines common macros and constants. */ // This is for the main page in Doxygen documentation /** * @mainpage ccRTP Library Reference **/ // This will make doxygen to generate example descriptions /** * @example rtpduphello.cpp * * A basic example of how to use RTPDuplex **/ /** * @example rtphello.cpp * * A basic example of how to use RTPPacket **/ /** * @example rtpsend.cpp */ /** * @example rtplisten.cpp */ /** * @example audio.h */ /** * @example audiotx.cpp */ /** * @example audiorx.cpp */ /** * @example ccrtptest.cpp */ #ifndef CCXX_RTP_PRIVATE_H_ #define CCXX_RTP_PRIVATE_H_ #include #include #include #include #include #include #include #undef PACKAGE #undef VERSION // This is only of interest for developers, so it is included only if // --with-nana flag is given to configure #ifdef HAVE_LIBNANA # include "nana.h" # include "DL.h" #else # define I(e) /* empty */ # define DL(e) /* empty */ # define VDL(e) /* empty */ #endif NAMESPACE_COMMONCPP #ifdef _MSWINDOWS_ #ifndef timeradd #define timeradd(a, b, result) \ { \ (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ if ( (result)->tv_usec >= 1000000 ) { \ (result)->tv_sec++; (result)->tv_usec -= 1000000ul; \ } \ } #endif #ifndef timersub #define timersub(a, b, result) \ { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ if ( (result)->tv_usec < 0 ) { \ (result)->tv_sec--; (result)->tv_usec += 1000000ul; \ } \ } #endif #endif // WIN32 // Number of seconds ellapsed from 1900 to 1970 const uint32 NTP_EPOCH_OFFSET = static_cast(2208992400ul); uint32 random32(); uint16 random16(); END_NAMESPACE #endif // ifndef CCXX_RTP_PRIVATE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/0000755000175000017500000000000012153105267011537 500000000000000ccrtp-2.0.6/src/ccrtp/rtppkt.h0000664000175000017500000006001211767643350013167 00000000000000// Copyright (C) 2002 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef CCXX_RTP_RTPPKT_H_ #define CCXX_RTP_RTPPKT_H_ #include #include #include NAMESPACE_COMMONCPP /** * @file rtppkt.h * * @short RTP packets handling. **/ /** * @defgroup rtppacket RTP data packets manipulation. * @{ **/ /** * @class RTPPacket * @short A base class for both IncomingRTPPkt and OutgoingRTPPkt. * * Provides common low level header structures and related * methods. This class provides an interface that allows for partial * and generic manipulation of RTP data packets. Values are returned * in host order, except raw structures, which are returned as they * are sent through the network. * * @author David Sugar **/ class CryptoContext; class __EXPORT RTPPacket { private: struct RTPFixedHeader; struct RTPHeaderExt; public: /** * Constructor, construct a packet object given the memory * zone its content (header and payload) is stored. Commonly * used to build RTPPacket objects from incoming data. * * @param block whole packet * @param len total length (header + payload + padding) of the * packet * @param duplicate whether to memcopy the packet. At present, * this feature is not used. * @note used in IncomingRTPPkt. **/ RTPPacket(const unsigned char* const block, size_t len, bool duplicate = false); /** * Construct a packet object without specifying its real * content yet. Commonly used for outgoing packets. Header * fields and payload must be filled in by another methods or * by a derived constructor. * * @param hdrlen length of the header (including CSRC and extension). * @param plen payload length. * @param paddinglen pad packet to a multiple of paddinglen * @note used in OutgoingRTPPkt. */ RTPPacket(size_t hdrlen, size_t plen, uint8 paddinglen, CryptoContext* pcc= NULL); /** * Get the length of the header, including contributing * sources identifiers and header extension, if present. * * @return number of octets. **/ inline uint32 getHeaderSize() const { return hdrSize; } /** * @return pointer to the payload section of the packet. **/ inline const uint8* const getPayload() const { return (uint8*)(buffer + getHeaderSize()); } /** * @return length of the payload section, in octets. **/ inline uint32 getPayloadSize() const { return payloadSize; } /** * @return value of the PT header field. **/ inline PayloadType getPayloadType() const { return static_cast(getHeader()->payload); } /** * @return value of the sequence number header field, in host order. **/ inline uint16 getSeqNum() const { return cachedSeqNum; } /** * @return packet timestamp in host order. **/ inline uint32 getTimestamp() const { return cachedTimestamp; } /** * @return RTP protocol version of packet. **/ inline uint8 getProtocolVersion() const { return getHeader()->version; } /** * Ask whether the packet contains padding bytes at the end * @return true if the header padding bit is 1. **/ inline bool isPadded() const { return getHeader()->padding; } /** * Get the number of octets padding the end of the payload * section. * * @return Padding length in octets. **/ inline uint8 getPaddingSize() const { return buffer[total - 1]; } /** * Ask whether the packet is marked (for isntance, is a new * talk spurt in some audio profiles). * * @return true is the header marker bit is 1. **/ inline bool isMarked() const { return getHeader()->marker; } /** * Ask whether the packet contains header extensions. * * @return true if the header extension bit is 1. **/ inline bool isExtended() const { return getHeader()->extension; } /** * Get the number of contributing sources specified in the * packet header. **/ inline uint16 getCSRCsCount() const { return getHeader()->cc; } /** * Get the 32-bit identifiers of the contributing sources for * the packet as an array, of length getCSRCsCount(). * * @return An array of CSRC identifiers as they are in the * packet (in network order). **/ inline const uint32* getCSRCs() const { return static_cast(&(getHeader()->sources[1])); } /** * Get the first 16 bits (in network order) of the header of * the RTP header extension. Its meaning is undefined at this * level. * * @return 0 if the packet has no header extension, otherwise * the first 16 bits of the header extension, in * network order. * * @note 0 could be a valid value for the first 16 bits, in * that case RTPPacket::isExtended() should be use. **/ inline uint16 getHdrExtUndefined() const { return (isExtended()? getHeaderExt()->undefined : 0); } /** * Get the length (in octets) of the data contained in the * header extension. Note that this length does not include * the four octets at the beginning of the header extension. * * @return 0 if the packet has no header extension, otherwise * the length. * * @note 0 is a valid value for this field, so * RTPPacket::isExtended() should be used. **/ inline uint32 getHdrExtSize() const { return (isExtended()? (static_cast(ntohs(getHeaderExt()->length)) << 2) : 0); } /** * Get the content of the header extension. * * @return NULL if the packet has no header extension, otherwise * a pointer to the packet header extension content. **/ inline const unsigned char* getHdrExtContent() const { return (isExtended() ? (reinterpret_cast(getHeaderExt()) + sizeof(RTPHeaderExt)) : NULL); } /** * Get the raw packet as it will be sent through the network. * * @return memory zone where the raw packet structure is * stored in. **/ inline const unsigned char* const getRawPacket() const { return buffer; } /** * Get the raw packet length, including header, extension, * payload and padding. * * @return size of the raw packet structure. **/ inline uint32 getRawPacketSize() const { return total; } inline uint32 getRawPacketSizeSrtp() const { return total + srtpLength; } inline size_t getSizeOfFixedHeader() const { return sizeof(RTPFixedHeader); } /** * Re-compute payload length. * * This recomputation may be necessary in case of SRTP. We need to decrypt * the packet before we can handle padding. See @c takeInDataPacket in * @c incqueue.cpp * * @param padding * If true then set padding flag in RTP header and re-compute * payloadSize. */ void reComputePayLength(bool padding); protected: /** * Destructor, free the buffer provided in the constructor. **/ inline virtual ~RTPPacket() { endPacket(); } /** * Free memory allocated for the packet. **/ void endPacket(); /** * Return low level structure for the header of the packet. * * @return RTPFixedHeader pointer to the header of the packet. **/ inline RTPFixedHeader* getHeader() const { return reinterpret_cast(buffer); } inline void setExtension(bool e) { getHeader()->extension = e; } /** * Get a pointer to RTPHeaderExt pointing after the RTP header * (fixed part plus contributing sources). No check for * for the X bit is done. * * @return header extension if present, garbage if not. **/ inline const RTPHeaderExt* getHeaderExt() const { uint32 fixsize = sizeof(RTPFixedHeader) + (getHeader()->cc << 2); return (reinterpret_cast(buffer + fixsize)); } /** * Obtain the absolute timestamp carried in the packet header. * * @return 32-bit timestamp in host order. **/ inline uint32 getRawTimestamp() const { return ntohl(getHeader()->timestamp); } inline void setbuffer(const void* src, size_t len, size_t pos) { memcpy(buffer + pos,src,len); } /// Packet sequence number in host order. uint16 cachedSeqNum; /// Packet timestamp in host order (includes initial shift). uint32 cachedTimestamp; /** * Offset into packet memory pointing to area for SRTP data. * * This offset points to the memory where the SRTP protect will * store the authentication and MKI data. */ uint32 srtpDataOffset; /** * Lebgth of additional SRTP data. * * Covers the SRTP authentication and MKI data. */ int32 srtpLength; /// total length, including header, payload and padding uint32 total; /// note: payload (not full packet) size. uint32 payloadSize; private: /// packet in memory unsigned char* buffer; /// size of the header, including contributing sources and extensions uint32 hdrSize; /// whether the object was contructed with duplicated = true bool duplicated; #ifdef CCXX_PACKED #pragma pack(1) #endif /** * @struct RTPFixedHeader * @short RTP fixed header as it is send through the network. * * A low-level representation for generic RTP packet header as * defined in RFC 1889. A packet consists of the fixed RTP * header, a possibly empty list of contributing sources and * the payload. Header contents are kept in network (big * endian) order. **/ struct RTPFixedHeader { #if __BYTE_ORDER == __BIG_ENDIAN /// For big endian boxes unsigned char version:2; ///< Version, currently 2 unsigned char padding:1; ///< Padding bit unsigned char extension:1; ///< Extension bit unsigned char cc:4; ///< CSRC count unsigned char marker:1; ///< Marker bit unsigned char payload:7; ///< Payload type #else /// For little endian boxes unsigned char cc:4; ///< CSRC count unsigned char extension:1; ///< Extension bit unsigned char padding:1; ///< Padding bit unsigned char version:2; ///< Version, currently 2 unsigned char payload:7; ///< Payload type unsigned char marker:1; ///< Marker bit #endif uint16 sequence; ///< sequence number uint32 timestamp; ///< timestamp uint32 sources[1]; ///< contributing sources }; /** * @struct RFC2833Payload * @short a structure defining RFC2833 Telephony events. * * structure to define RFC2833 telephony events in RTP. You can * use this by recasing the pointer returned by getPayload(). */ public: struct RFC2833Payload { #if __BYTE_ORDER == __BIG_ENDIAN uint8 event : 8; bool ebit : 1; bool rbit : 1; uint8 vol : 6; uint16 duration : 16; #else uint8 event : 8; uint8 vol : 6; bool rbit : 1; bool ebit : 1; uint16 duration : 16; #endif }; private: /** * @struct RTPHeaderExt * * Fixed component of the variable-length header extension, * appended to the fixed header, after the CSRC list, when X * == 1. **/ struct RTPHeaderExt { uint16 undefined; ///< to be defined uint16 length; ///< number of 32-bit words in the extension }; #ifdef CCXX_PACKED #pragma pack() #endif /* definitions for access to most common 2833 fields... */ public: /** * Fetch a raw 2833 packet. * * @return low level 2833 data structure. */ inline struct RFC2833Payload *getRaw2833Payload(void) {return (struct RFC2833Payload *)getPayload();} /** * Fetch 2833 duration field. * * @return 2833 duration in native host machine byte order. */ inline uint16 get2833Duration(void) {return ntohs(getRaw2833Payload()->duration);} /** * Set 2833 duration field. * * @param timestamp to use, native host machine byte order. */ inline void set2833Duration(uint16 timestamp) {getRaw2833Payload()->duration = htons(timestamp);} }; /** * @class OutgoingRTPPkt * @short RTP packets being sent. * * This class is intented to construct packet objects just before they * are inserted into the sending queue, so that they are processed in * a understandable and format independent manner inside the stack. * * @author Federico Montesino Pouzols **/ class __EXPORT OutgoingRTPPkt : public RTPPacket { public: /** * Construct a new packet to be sent, containing several * contributing source identifiers, header extensions and * payload. * * A new copy in memory (holding all this components * along with the fixed header) is created. If the pointer * to the SRTP CryptoContext is not NULL and holds a CryptoContext * for the SSRC take the SSRC data into account when computing * the required memory buffer. * * @param csrcs array of countributing source 32-bit * identifiers, in host order. * @param numcsrc number of CSRC identifiers in the array. * @param hdrext whole header extension. * @param hdrextlen size of whole header extension, in octets. * @param data payload. * @param datalen payload length, in octets. * @param paddinglen pad packet to a multiple of paddinglen. * @param pcc Pointer to the SRTP CryptoContext, defaults to NULL * if not specified. * * @note For efficiency purposes, since this constructor is * valid for all packets but is too complex for the common * case, two simpler others are provided. **/ OutgoingRTPPkt(const uint32* const csrcs, uint16 numcsrc, const unsigned char* const hdrext, uint32 hdrextlen, const unsigned char* const data, size_t datalen, uint8 paddinglen= 0, CryptoContext* pcc= NULL); /** * Construct a new packet to be sent, containing several * contributing source identifiers and payload. * * A new copy in * memory (holding all this components along with the fixed * header) is created. If the pointer * to the SRTP CryptoContext is not NULL and holds a CryptoContext * for the SSRC take the SSRC data into account when computing * the required memory buffer. * * @param csrcs array of countributing source 32-bit * identifiers, in host order. * @param numcsrc number of CSRC identifiers in the array. * @param data payload. * @param datalen payload length, in octets. * @param paddinglen pad packet to a multiple of paddinglen. * @param pcc Pointer to the SRTP CryptoContext, defaults to NULL * if not specified. **/ OutgoingRTPPkt(const uint32* const csrcs, uint16 numcsrc, const unsigned char* const data, size_t datalen, uint8 paddinglen= 0, CryptoContext* pcc= NULL); /** * Construct a new packet (fast variant, with no contributing * sources and no header extension) to be sent. * * A new copy in * memory (holding the whole packet) is created. If the pointer * to the SRTP CryptoContext is not NULL and holds a CryptoContext * for the SSRC take the SSRC data into account when computing * the required memory buffer. * * @param data payload. * @param datalen payload length, in octets. * @param paddinglen pad packet to a multiple of paddinglen. * @param pcc Pointer to the SRTP CryptoContext, defaults to NULL * if not specified. **/ OutgoingRTPPkt(const unsigned char* const data, size_t datalen, uint8 paddinglen= 0, CryptoContext* pcc= NULL); ~OutgoingRTPPkt() { } /** * @param pt Packet payload type. **/ inline void setPayloadType(PayloadType pt) { getHeader()->payload = pt; } /** * Sets the sequence number in the header. * * @param seq Packet sequence number, in host order. **/ inline void setSeqNum(uint16 seq) { cachedSeqNum = seq; getHeader()->sequence = htons(seq); } /** * @param pts Packet timestamp, in host order. **/ inline void setTimestamp(uint32 pts) { cachedTimestamp = pts; getHeader()->timestamp = htonl(pts); } /** * Set synchronization source numeric identifier. * * @param ssrc 32-bit Synchronization SouRCe numeric * identifier, in host order. **/ inline void setSSRC(uint32 ssrc) const { getHeader()->sources[0] = htonl(ssrc); } /** * Set synchronization source numeric identifier. Special * version to save endianness conversion. * * @param ssrc 32-bit Synchronization SouRCe numeric * identifier, in network order. **/ inline void setSSRCNetwork(uint32 ssrc) const { getHeader()->sources[0] = ssrc; } /** * Specify the value of the marker bit. By default, the marker * bit of outgoing packets is false/0. This method allows to * explicity specify and change that value. * * @param mark value for the market bit. */ inline void setMarker(bool mark) { getHeader()->marker = mark; } /** * Called packet is setup. * * This private method computes the SRTP data and stores it in the * packet. Then encrypt the payload data (ex padding). */ void protect(uint32 ssrc, CryptoContext* pcc); /** * Outgoing packets are equal if their sequence numbers match. **/ inline bool operator==(const OutgoingRTPPkt &p) const { return ( this->getSeqNum() == p.getSeqNum() ); } /** * Outgoing packets are not equal if their sequence numbers differ. **/ inline bool operator!=(const OutgoingRTPPkt &p) const { return ( this->getSeqNum() != p.getSeqNum() ); } private: /** * Copy constructor from objects of its same kind, declared * private to avoid its use. **/ OutgoingRTPPkt(const OutgoingRTPPkt &o); /** * Assignment operator from objects of its same kind, declared * private to avoid its use. **/ OutgoingRTPPkt& operator=(const OutgoingRTPPkt &o); /** * Set the list of CSRC identifiers in an RTP packet, * switching host to network order. */ void setCSRCArray(const uint32* const csrcs, uint16 numcsrc); }; /** * @class IncomingRTPPkt * * @short RTP packets received from other participants. * * This class is intented to construct a packet object just after * every packet is received by the scheduled queue, so that they are * processed in an understandable and format independent manner inside * the stack. * * @author Federico Montesino Pouzols */ class __EXPORT IncomingRTPPkt : public RTPPacket { public: /** * Build an RTP packet object from a data buffer. This * constructor first performs a generic RTP data packet header * check, whose result can be checked via isHeaderValid(). * * @param block pointer to the buffer the whole packet is stored in. * @param len length of the whole packet, expressed in octets. * * @note If check fails, the packet object is * incomplete. checking isHeaderValid() is recommended before * using a new RTPPacket object. **/ IncomingRTPPkt(const unsigned char* block, size_t len); ~IncomingRTPPkt() { } /** * Get validity of this packet * @return whether the header check performed at construction * time ended successfully. **/ inline bool isHeaderValid() { return headerValid; } /** * Get synchronization source numeric identifier. * * @return 32-bits Synchronization SouRCe numeric identifier, * in host order. **/ inline uint32 getSSRC() const { return cachedSSRC; } /** * Unprotect a received packet. * * Perform SRTP processing on this packet. * * @param pcc Pointer to SRTP CryptoContext. * @return * one if no errors, -1 if authentication failed, -2 if * replay check failed */ int32 unprotect(CryptoContext* pcc); /** * Two incoming packets are equal if they come from sources * with the same SSRC and have the same sequence number. **/ inline bool operator==(const IncomingRTPPkt &p) const { return ( (this->getSeqNum() == p.getSeqNum()) && (this->getSSRC() == p.getSSRC()) ); } /** * Two incoming packets are not equal if they come from * different sources or have different sequence numbers. **/ inline bool operator!=(const IncomingRTPPkt &p) const { return !( *this == p ); } private: /** * Copy constructor from objects of its same kind, declared * private to avoid its use. **/ IncomingRTPPkt(const IncomingRTPPkt &ip); /** * Assignment operator from objects of its same kind, declared * private to avoid its use. */ IncomingRTPPkt& operator=(const IncomingRTPPkt &ip); /// Header validity, checked at construction time. bool headerValid; /// SSRC 32-bit identifier in host order. uint32 cachedSSRC; // Masks for RTP header validation: types matching RTCP SR or // RR must be rejected to avoid accepting misaddressed RTCP // packets. static const uint16 RTP_INVALID_PT_MASK; static const uint16 RTP_INVALID_PT_VALUE; }; /** @}*/ // rtppacket END_NAMESPACE #endif // ndef CCXX_RTP_RTPPKT_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/iqueue.h0000664000175000017500000011276412006011443013127 00000000000000// Copyright (C) 2001,2002,2004 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file iqueue.h * * @short Generic RTP input queues. **/ #ifndef CCXX_RTP_IQUEUE_H_ #define CCXX_RTP_IQUEUE_H_ #include #include #include NAMESPACE_COMMONCPP /** * @defgroup iqueue Generic RTP input queues. * @{ **/ /** * @class Members rtp.h * @short members and senders accounting * * Records the number of members as well as active senders. For now, * it is too simple. * * @author Federico Montesino Pouzols **/ class __EXPORT Members { public: inline void setMembersCount(uint32 n) { members = n; } inline void increaseMembersCount() { members++; } inline void decreaseMembersCount() { members--; } inline uint32 getMembersCount() const { return members; } inline void setSendersCount(uint32 n) { activeSenders = n; } inline void increaseSendersCount() { activeSenders++; } inline void decreaseSendersCount() { activeSenders--; } inline uint32 getSendersCount() const { return activeSenders; } protected: Members() : members(0), activeSenders(0) { } inline virtual ~Members() { } private: /// number of identified members uint32 members; /// number of identified members that currently are active senders uint32 activeSenders; }; /** * @class SyncSourceHandler * @short SyncSource objects modification methods. * * @author Federico Montesino Pouzols **/ class __EXPORT SyncSourceHandler { public: /** * This requires SyncSource - SyncSourceHandler friendship. * * Get the SyncSourceLink corresponding to a SyncSource * object. **/ inline void* getLink(const SyncSource& source) const { return source.getLink(); } inline void setLink(SyncSource& source, void* link) { source.setLink(link); } inline void setParticipant(SyncSource& source, Participant& p) { source.setParticipant(p); } inline void setState(SyncSource& source, SyncSource::State ns) { source.setState(ns); } inline void setSender(SyncSource& source, bool active) { source.setSender(active); } inline void setDataTransportPort(SyncSource& source, tpport_t p) { source.setDataTransportPort(p); } inline void setControlTransportPort(SyncSource& source, tpport_t p) { source.setControlTransportPort(p); } inline void setNetworkAddress(SyncSource& source, InetAddress addr) { source.setNetworkAddress(addr); } protected: SyncSourceHandler() { } inline virtual ~SyncSourceHandler() { } }; /** * @class ParticipantHandler * @short Participant objects modification methods. * * @author Federico Montesino Pouzols **/ class __EXPORT ParticipantHandler { public: inline void setSDESItem(Participant* part, SDESItemType item, const std::string& val) { part->setSDESItem(item,val); } inline void setPRIVPrefix(Participant* part, const std::string val) { part->setPRIVPrefix(val); } protected: ParticipantHandler() { } inline virtual ~ParticipantHandler() { } }; /** * @class ApplicationHandler * @short Application objects modification methods. * * @author Federico Montesino Pouzols **/ class __EXPORT ApplicationHandler { public: inline void addParticipant(RTPApplication& app, Participant& part) { app.addParticipant(part); } inline void removeParticipant(RTPApplication& app, RTPApplication::ParticipantLink* pl) { app.removeParticipant(pl); } protected: ApplicationHandler() { } inline virtual ~ApplicationHandler() { } }; /** * @class ConflictHandler * @short To track addresses of sources conflicting with the local * one. * * @author Federico Montesino Pouzols **/ class __EXPORT ConflictHandler { public: struct ConflictingTransportAddress { ConflictingTransportAddress(InetAddress na, tpport_t dtp, tpport_t ctp); void setNext(ConflictingTransportAddress* nc) { next = nc; } inline const InetAddress& getNetworkAddress( ) const { return networkAddress; } inline tpport_t getDataTransportPort() const { return dataTransportPort; } inline tpport_t getControlTransportPort() const { return controlTransportPort; } InetAddress networkAddress; tpport_t dataTransportPort; tpport_t controlTransportPort; ConflictingTransportAddress* next; // arrival time of last data or control packet. timeval lastPacketTime; }; /** * @param na Inet network address. * @param dtp Data transport port. **/ ConflictingTransportAddress* searchDataConflict(InetAddress na, tpport_t dtp); /** * @param na Inet network address. * @param ctp Data transport port. **/ ConflictingTransportAddress* searchControlConflict(InetAddress na, tpport_t ctp); void updateConflict(ConflictingTransportAddress& ca) { SysTime::gettimeofday(&(ca.lastPacketTime),NULL); } void addConflict(const InetAddress& na, tpport_t dtp, tpport_t ctp); protected: ConflictHandler() { firstConflict = lastConflict = NULL; } inline virtual ~ConflictHandler() { } ConflictingTransportAddress* firstConflict, * lastConflict; }; /** * @class MembershipBookkeeping * @short Controls the group membership in the current session. * * For now, this class implements only a hash table of members, but * its design and relation with other classes is intented to support * group membership sampling in case scalability problems arise. * * @author Federico Montesino Pouzols */ class __EXPORT MembershipBookkeeping : public SyncSourceHandler, public ParticipantHandler, public ApplicationHandler, public ConflictHandler, private Members { public: inline size_t getDefaultMembersHashSize() { return defaultMembersHashSize; } protected: /** * @short The initial size is a hint to allocate the resources * needed in order to keep the members' identifiers and * associated information. * * Although ccRTP will reallocate resources when it becomes * necessary, a good hint may save a lot of unpredictable time * penalties. * * @param initialSize an estimation of how many participants * the session will consist of. * */ MembershipBookkeeping(uint32 initialSize = defaultMembersHashSize); /** * Purges all RTPSource structures created during the session, * as well as the hash table and the list of sources. **/ inline virtual ~MembershipBookkeeping() { endMembers(); } struct SyncSourceLink; inline SyncSourceLink* getLink(const SyncSource& source) const { return static_cast(SyncSourceHandler::getLink(source)); } /** * Get whether a synchronization source is recorded in this * membership controller. **/ inline bool isMine(const SyncSource& source) const { return getLink(source)->getMembership() == this; } /** * @struct IncomingRTPPktLink * * @short Incoming RTP data packets control structure within * the incoming packet queue class. **/ struct IncomingRTPPktLink { IncomingRTPPktLink(IncomingRTPPkt* pkt, SyncSourceLink* sLink, struct timeval& recv_ts, uint32 shifted_ts, IncomingRTPPktLink* sp, IncomingRTPPktLink* sn, IncomingRTPPktLink* p, IncomingRTPPktLink* n) : packet(pkt), sourceLink(sLink), prev(p), next(n), srcPrev(sp), srcNext(sn), receptionTime(recv_ts), shiftedTimestamp(shifted_ts) { } ~IncomingRTPPktLink() { } inline SyncSourceLink* getSourceLink() const { return sourceLink; } inline void setSourceLink(SyncSourceLink* src) { sourceLink = src; } inline IncomingRTPPktLink* getNext() const { return next; } inline void setNext(IncomingRTPPktLink* nl) { next = nl; } inline IncomingRTPPktLink* getPrev() const { return prev; } inline void setPrev(IncomingRTPPktLink* pl) { prev = pl; } inline IncomingRTPPktLink* getSrcNext() const { return srcNext; } inline void setSrcNext(IncomingRTPPktLink* sn) { srcNext = sn; } inline IncomingRTPPktLink* getSrcPrev() const { return srcPrev; } inline void setSrcPrev(IncomingRTPPktLink* sp) { srcPrev = sp; } inline IncomingRTPPkt* getPacket() const { return packet; } inline void setPacket(IncomingRTPPkt* pkt) { packet = pkt; } /** * Set the time this packet was received at. * * @param t time of reception. * @note this has almost nothing to do with the 32-bit * timestamp contained in the packet header. **/ inline void setRecvTime(const timeval &t) { receptionTime = t; } /** * Get the time this packet was received at. **/ inline timeval getRecvTime() const { return receptionTime; } /** * Get timestamp of this packet. The timestamp of * incoming packets is filtered so that the timestamp * this method provides for the first packet received * from every source starts from 0. * * @return 32 bit timestamp starting from 0 for each source. */ inline uint32 getTimestamp() const { return shiftedTimestamp; } inline void setTimestamp(uint32 ts) { shiftedTimestamp = ts;} // the packet this link refers to. IncomingRTPPkt* packet; // the synchronization source this packet comes from. SyncSourceLink* sourceLink; // global incoming packet queue links. IncomingRTPPktLink* prev, * next; // source specific incoming packet queue links. IncomingRTPPktLink* srcPrev, * srcNext; // time this packet was received at struct timeval receptionTime; // timestamp of the packet in host order and after // substracting the initial timestamp for its source // (it is an increment from the initial timestamp). uint32 shiftedTimestamp; }; /** * @struct SyncSourceLink * * @short Synchronization Source internal handler within the * incoming packets queue. * * Incoming packets queue objects hold a hash table and a * linked list of synchronization sources. For each of these * sources, there is also a linked list of incoming rtp * packets, which are linked in an "all incoming packets" list * as well. SyncSourceLink objects hold the necessary data to * maintain these data estructures, as well as source specific * information and statistics for RTCP, * * @author Federico Montesino Pouzols **/ struct SyncSourceLink { // 2^16 static const uint32 SEQNUMMOD; SyncSourceLink(MembershipBookkeeping* m, SyncSource* s, IncomingRTPPktLink* fp = NULL, IncomingRTPPktLink* lp = NULL, SyncSourceLink* ps = NULL, SyncSourceLink* ns = NULL, SyncSourceLink* ncollis = NULL) : membership(m), source(s), first(fp), last(lp), prev(ps), next(ns), nextCollis(ncollis), prevConflict(NULL) { m->setLink(*s,this); // record that the source is associated initStats(); // to this link. } /** * Note it deletes the source. **/ ~SyncSourceLink(); inline MembershipBookkeeping* getMembership() { return membership; } /** * Get the synchronization source object this link * objet holds information for. **/ inline SyncSource* getSource() { return source; } /** * Get first RTP (data) packet in the queue of packets * received from this socket. **/ inline IncomingRTPPktLink* getFirst() { return first; } inline void setFirst(IncomingRTPPktLink* fp) { first = fp; } /** * Get last RTP (data) packet in the queue of packets * received from this socket. **/ inline IncomingRTPPktLink* getLast() { return last; } inline void setLast(IncomingRTPPktLink* lp) { last = lp; } /** * Get the link object for the previous RTP source. **/ inline SyncSourceLink* getPrev() { return prev; } inline void setPrev(SyncSourceLink* ps) { prev = ps; } /** * Get the link object for the next RTP source. **/ inline SyncSourceLink* getNext() { return next; } inline void setNext(SyncSourceLink *ns) { next = ns; } /** * Get the link object for the next RTP source in the * hash table entry collision list. Note that * collision does not refer to SSRC collision, but * hash table collision. **/ inline SyncSourceLink* getNextCollis() { return nextCollis; } inline void setNextCollis(SyncSourceLink* ns) { nextCollis = ns; } inline ConflictingTransportAddress* getPrevConflict() const { return prevConflict; } /** * Get conflicting address. **/ void setPrevConflict(InetAddress& addr, tpport_t dataPort, tpport_t controlPort); unsigned char* getSenderInfo() { return senderInfo; } void setSenderInfo(unsigned char* si); unsigned char* getReceiverInfo() { return receiverInfo; } void setReceiverInfo(unsigned char* ri); inline timeval getLastPacketTime() const { return lastPacketTime; } inline timeval getLastRTCPPacketTime() const { return lastRTCPPacketTime; } inline timeval getLastRTCPSRTime() const { return lastRTCPSRTime; } /** * Get the total number of RTP packets received from this * source. */ inline uint32 getObservedPacketCount() const { return obsPacketCount; } inline void incObservedPacketCount() { obsPacketCount++; } /** * Get the total number of payload octets received from this * source. **/ inline uint32 getObservedOctetCount() const { return obsOctetCount; } inline void incObservedOctetCount(uint32 n) { obsOctetCount += n; } /** * Get the highest valid sequence number received. **/ uint16 getMaxSeqNum() const { return maxSeqNum; } /** * Set the highest valid sequence number recived. * @param max Sequence number. **/ void setMaxSeqNum(uint16 max) { maxSeqNum = max; } inline uint32 getExtendedMaxSeqNum() const { return extendedMaxSeqNum; } inline void setExtendedMaxSeqNum(uint32 seq) { extendedMaxSeqNum = seq; } inline uint32 getCumulativePacketLost() const { return cumulativePacketLost; } inline void setCumulativePacketLost(uint32 pl) { cumulativePacketLost = pl; } inline uint8 getFractionLost() const { return fractionLost; } inline void setFractionLost(uint8 fl) { fractionLost = fl; } inline uint32 getLastPacketTransitTime() { return lastPacketTransitTime; } inline void setLastPacketTransitTime(uint32 time) { lastPacketTransitTime = time; } inline float getJitter() const { return jitter; } inline void setJitter(float j) { jitter = j; } inline uint32 getInitialDataTimestamp() const { return initialDataTimestamp; } inline void setInitialDataTimestamp(uint32 ts) { initialDataTimestamp = ts; } inline timeval getInitialDataTime() const { return initialDataTime; } inline void setInitialDataTime(timeval it) { initialDataTime = it; } /** * Mark this source as having sent a BYE control packet. * * @return whether some packet from this source had * been received before (getHello() has been called at * least once) **/ bool getGoodbye() { if(!flag) return false; flag = false; return true; } /** * Mark this source as having sent some packet. * * @return whether no packet from this source had been * received before **/ bool getHello() { if(flag) return false; flag = true; return true; } inline uint32 getBadSeqNum() const { return badSeqNum; } inline void setBadSeqNum(uint32 seq) { badSeqNum = seq; } uint8 getProbation() const { return probation; } inline void setProbation(uint8 p) { probation = p; } inline void decProbation() { --probation; } bool isValid() const { return 0 == probation; } inline uint16 getBaseSeqNum() const { return baseSeqNum; } inline uint32 getSeqNumAccum() const { return seqNumAccum; } inline void incSeqNumAccum() { seqNumAccum += SEQNUMMOD; } /** * Start a new sequence of received packets. **/ inline void initSequence(uint16 seqnum) { maxSeqNum = seqNumAccum = seqnum; } /** * Record the insertion of an RTP packet from this * source into the scheduled reception queue. All * received packets should be registered with * recordReception(), but only those actually inserted * into the queue should be registered via this * method. * * @param pl Link structure for packet inserted into the queue. **/ void recordInsertion(const IncomingRTPPktLink& pl); void initStats(); /** * Compute cumulative packet lost and fraction of * packets lost during the last reporting interval. **/ void computeStats(); MembershipBookkeeping* membership; // The source this link object refers to. SyncSource* source; // first/last packets from this source in the queue. IncomingRTPPktLink* first, * last; // Links for synchronization sources located before // and after this one in the list of sources. SyncSourceLink* prev, * next; // Prev and next inside the hash table collision list. SyncSourceLink* nextCollis; ConflictingTransportAddress* prevConflict; unsigned char* senderInfo; unsigned char* receiverInfo; // time the last RTP packet from this source was // received at. timeval lastPacketTime; // time the last RTCP packet was received. timeval lastRTCPPacketTime; // time the lasrt RTCP SR was received. Required for // DLSR computation. timeval lastRTCPSRTime; // for outgoing RR reports. // number of packets received from this source. uint32 obsPacketCount; // number of octets received from this source. uint32 obsOctetCount; // the higher sequence number seen from this source uint16 maxSeqNum; uint32 extendedMaxSeqNum; uint32 cumulativePacketLost; uint8 fractionLost; // for interarrivel jitter computation uint32 lastPacketTransitTime; // interarrival jitter of packets from this source. float jitter; uint32 initialDataTimestamp; timeval initialDataTime; // this flag assures we only call one gotHello and one // gotGoodbye for this src. bool flag; // for source validation: uint32 badSeqNum; uint8 probation; // packets in sequence before valid. uint16 baseSeqNum; uint32 expectedPrior; uint32 receivedPrior; uint32 seqNumAccum; }; /** * Returns whether there is already a synchronizacion source * with "ssrc" SSRC identifier. **/ bool isRegistered(uint32 ssrc); /** * Get the description of a source by its ssrc identifier. * * @param ssrc SSRC identifier, in host order. * @param created whether a new source has been created. * @return Pointer to the SyncSource object identified by * ssrc. */ SyncSourceLink* getSourceBySSRC(uint32 ssrc, bool& created); /** * Mark the source identified by ssrc as having * sent a BYE packet. It is not deleted until a timeout * expires, so that in case some packets from this source * arrive a bit later the source is not inserted again in the * table of known sources. * * @return true if the source had been previously identified. * false if it was not in the table of known sources. **/ bool BYESource(uint32 ssrc); /** * Remove the description of the source identified by * ssrc * * @return whether the source has been actually removed or it * did not exist. */ bool removeSource(uint32 ssrc); inline SyncSourceLink* getFirst() { return first; } inline SyncSourceLink* getLast() { return last; } inline uint32 getMembersCount() { return Members::getMembersCount(); } inline void setMembersCount(uint32 n) { Members::setMembersCount(n); } inline uint32 getSendersCount() { return Members::getSendersCount(); } static const size_t defaultMembersHashSize; static const uint32 SEQNUMMOD; private: MembershipBookkeeping(const MembershipBookkeeping &o); MembershipBookkeeping& operator=(const MembershipBookkeeping &o); /** * Purge all RTPSource structures, the hash table and the list * of sources. **/ void endMembers(); // Hash table with sources of RTP and RTCP packets uint32 sourceBucketsNum; SyncSourceLink** sourceLinks; // List of sources, ordered from older to newer SyncSourceLink* first, * last; }; /** * @class IncomingDataQueue * @short Queue for incoming RTP data packets in an RTP session. * * @author Federico Montesino Pouzols **/ class __EXPORT IncomingDataQueue: public IncomingDataQueueBase, protected MembershipBookkeeping { public: /** * @class SyncSourcesIterator * @short iterator through the list of synchronizations * sources in this session **/ class SyncSourcesIterator { public: typedef std::forward_iterator_tag iterator_category; typedef SyncSource value_type; typedef std::ptrdiff_t difference_type; typedef const SyncSource* pointer; typedef const SyncSource& reference; SyncSourcesIterator(SyncSourceLink* l = NULL) : link(l) { } SyncSourcesIterator(const SyncSourcesIterator& si) : link(si.link) { } reference operator*() const { return *(link->getSource()); } pointer operator->() const { return link->getSource(); } SyncSourcesIterator& operator++() { link = link->getNext(); return *this; } SyncSourcesIterator operator++(int) { SyncSourcesIterator result(*this); ++(*this); return result; } friend bool operator==(const SyncSourcesIterator& l, const SyncSourcesIterator& r) { return l.link == r.link; } friend bool operator!=(const SyncSourcesIterator& l, const SyncSourcesIterator& r) { return l.link != r.link; } private: SyncSourceLink *link; }; SyncSourcesIterator begin() { return SyncSourcesIterator(MembershipBookkeeping::getFirst()); } SyncSourcesIterator end() { return SyncSourcesIterator(NULL); } /** * Retreive data from a specific timestamped packet if such a * packet is currently available in the receive buffer. * * @param stamp Data unit timestamp. * @param src Optional synchronization source selector. * @return data retrieved from the reception buffer. * @retval null pointer if no packet with such timestamp is available. **/ const AppDataUnit* getData(uint32 stamp, const SyncSource* src = NULL); /** * Determine if packets are waiting in the reception queue. * * @param src Optional synchronization source selector. * @return True if packets are waiting. */ bool isWaiting(const SyncSource* src = NULL) const; /** * Get timestamp of first packet waiting in the queue. * * @param src optional source selector. * @return timestamp of first arrival packet. **/ uint32 getFirstTimestamp(const SyncSource* src = NULL) const; /** * When receiving packets from a new source, it may be * convenient to reject a first few packets before we are * really sure the source is valid. This method sets how many * data packets must be received in sequence before the source * is considered valid and the stack starts to accept its * packets. * * @note the default (see defaultMinValidPacketSequence()) * value for this parameter is 0, so that no packets are * rejected (data packets are accepted from the first one). * * @note this validation is performed after the generic header * validation and the additional validation done in * onRTPPacketRecv(). * * @note if any valid RTCP packet is received from this * source, it will be immediatly considered valid regardless * of the number of sequential data packets received. * * @param packets number of sequential packet required **/ void setMinValidPacketSequence(uint8 packets) { minValidPacketSequence = packets; } uint8 getDefaultMinValidPacketSequence() const { return defaultMinValidPacketSequence; } /** * Get the minimun number of consecutive packets that must be * received from a source before accepting its data packets. **/ uint8 getMinValidPacketSequence() const { return minValidPacketSequence; } void setMaxPacketMisorder(uint16 packets) { maxPacketMisorder = packets; } uint16 getDefaultMaxPacketMisorder() const { return defaultMaxPacketMisorder; } uint16 getMaxPacketMisorder() const { return maxPacketMisorder; } /** * * It also prevents packets sent after a restart of the source * being immediately accepted. **/ void setMaxPacketDropout(uint16 packets) // default: 3000. { maxPacketDropout = packets; } uint16 getDefaultMaxPacketDropout() const { return defaultMaxPacketDropout; } uint16 getMaxPacketDropout() const { return maxPacketDropout; } // default value for constructors that allow to specify // members table s\ize inline static size_t getDefaultMembersSize() { return defaultMembersSize; } /** * Set input queue CryptoContext. * * The endQueue method (provided by RTPQueue) deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext. */ void setInQueueCryptoContext(CryptoContext* cc); /** * Remove input queue CryptoContext. * * The endQueue method (provided by RTPQueue) also deletes all * registered CryptoContexts. * * @param cc * Pointer to initialized CryptoContext to remove. If pointer * if NULL then delete the whole queue */ void removeInQueueCryptoContext(CryptoContext* cc); /** * Get an input queue CryptoContext identified by SSRC * * @param ssrc Request CryptoContext for this incoming SSRC * @return Pointer to CryptoContext of the SSRC of NULL if no context * available for this SSRC. */ CryptoContext* getInQueueCryptoContext(uint32 ssrc); protected: /** * @param size initial size of the membership table. **/ IncomingDataQueue(uint32 size); virtual ~IncomingDataQueue() { } /** * Apply collision and loop detection and correction algorithm * when receiving RTP data packets. Follows section 8.2 in * draft-ietf-avt-rtp-new. * * @param sourceLink link to the source object. * @param is_new whether the source has been just recorded. * @param na data packet network address. * @param tp data packet source transport port. * * @return whether the packet must not be discarded. **/ bool checkSSRCInIncomingRTPPkt(SyncSourceLink& sourceLink, bool is_new, InetAddress& na, tpport_t tp); /** * Set the number of RTCP intervals that the stack will wait * to change the state of a source from stateActive to * stateInactive, or to delete the source after being in * stateInactive. * * Note that this value should be uniform accross all * participants and SHOULD be fixed for a particular profile. * * @param intervals number of RTCP report intervals * * @note If RTCP is not being used, the RTCP interval is * assumed to be the default: 5 seconds. * @note The default for this value is, as RECOMMENDED, 5. **/ void setSourceExpirationPeriod(uint8 intervals) { sourceExpirationPeriod = intervals; } /** * This function is used by the service thread to process * the next incoming packet and place it in the receive list. * * @return number of payload bytes received. <0 if error. */ virtual size_t takeInDataPacket(); void renewLocalSSRC(); /** * This is used to fetch a packet in the receive queue and to * expire packets older than the current timestamp. * * @return packet buffer object for current timestamp if found. * @param timestamp timestamp requested. * @param src optional source selector * @note if found, the packet is removed from the reception queue **/ IncomingDataQueue::IncomingRTPPktLink* getWaiting(uint32 timestamp, const SyncSource *src = NULL); /** * Log reception of a new RTP packet from this source. Usually * updates data such as the packet counter, the expected * sequence number for the next packet and the time the last * packet was received at. * * @param srcLink Link structure for the synchronization * source of this packet. * @param pkt Packet just created and to be logged. * @param recvtime Reception time. * * @return whether, according to the source state and * statistics, the packet is considered valid and must be * inserted in the incoming packets queue. **/ bool recordReception(SyncSourceLink& srcLink, const IncomingRTPPkt& pkt, const timeval recvtime); /** * Log extraction of a packet from this source from the * scheduled reception queue. * * @param pkt Packet extracted from the queue. **/ void recordExtraction(const IncomingRTPPkt& pkt); void purgeIncomingQueue(); /** * Virtual called when a new synchronization source has joined * the session. * * @param - new synchronization source **/ inline virtual void onNewSyncSource(const SyncSource&) { } protected: /** * A virtual function to support parsing of arriving packets * to determine if they should be kept in the queue and to * dispatch events. * * A generic header validity check (as specified in RFC 1889) * is performed on every incoming packet. If the generic check * completes succesfully, this method is called before the * packet is actually inserted into the reception queue. * * May be used to perform additional validity checks or to do * some application specific processing. * * @param - packet just received. * @return true if packet is kept in the incoming packets queue. **/ inline virtual bool onRTPPacketRecv(IncomingRTPPkt&) { return true; } /** * A hook to filter packets in the receive queue that are being * expired. This hook may be used to do some application * specific processing on expired packets before they are * deleted. * * @param - packet expired from the recv queue. **/ inline virtual void onExpireRecv(IncomingRTPPkt&) { return; } /** * A hook that gets called if the decoding of an incoming SRTP was erroneous * * @param pkt * The SRTP packet with error. * @param errorCode * The error code: -1 - SRTP authentication failure, -2 - replay * check failed * @return * True: put the packet in incoming queue for further processing * by the applications; false: dismiss packet. The default * implementation returns false. **/ inline virtual bool onSRTPPacketError(IncomingRTPPkt& pkt, int32 errorCode) { return false; } inline virtual bool end2EndDelayed(IncomingRTPPktLink&) { return false; } /** * Insert a just received packet in the queue (both general * and source specific queues). If the packet was already in * the queue (same SSRC and sequence number), it is not * inserted but deleted. * * @param packetLink link to a packet just received and * generally validated and processed by onRTPPacketRecv. * * @return whether the packet was successfully inserted. * @retval false when the packet is duplicated (there is * already a packet from the same source with the same * timestamp). * @retval true when the packet is not duplicated. **/ bool insertRecvPacket(IncomingRTPPktLink* packetLink); /** * This function performs the physical I/O for reading a * packet from the source. It is a virtual that is * overriden in the derived class. * * @return number of bytes read. * @param buffer of read packet. * @param length of data to read. * @param host address of source. * @param port number of source. **/ virtual size_t recvData(unsigned char* buffer, size_t length, InetHostAddress& host, tpport_t& port) = 0; virtual size_t getNextDataPacketSize() const = 0; mutable ThreadLock recvLock; // reception queue IncomingRTPPktLink* recvFirst, * recvLast; // values for packet validation. static const uint8 defaultMinValidPacketSequence; static const uint16 defaultMaxPacketMisorder; static const uint16 defaultMaxPacketDropout; uint8 minValidPacketSequence; uint16 maxPacketMisorder; uint16 maxPacketDropout; static const size_t defaultMembersSize; uint8 sourceExpirationPeriod; mutable Mutex cryptoMutex; std::list cryptoContexts; }; /** @}*/ // iqueue END_NAMESPACE #endif //CCXX_RTP_IQUEUE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/ext.h0000664000175000017500000001174711767643350012456 00000000000000// Copyright (C) 1999-2003 Open Source Telecom Corporation. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file ext.h * @short ccRTP Stack extensions. **/ #ifndef CCXX_RTP_EXT_H #define CCXX_RTP_EXT_H #ifndef COMMONCPP_SOCKET_H_ #include #include #endif #include #include NAMESPACE_COMMONCPP /** * @defgroup rtpext ccRTP Extension classes * @{ **/ /** * @class RTPDuplex rtp.h cc++/rtp.h * * A peer associated RTP socket pair for physically connected peer * hosts. This has no RTCP and assumes the receiver is connected * to a known transmitter, hence no "foreign" packets will arrive. * * @author David Sugar * @short RTP peer host over UDP. */ class __EXPORT RTPDuplex : public RTPDataQueue, protected UDPReceive, public UDPTransmit { public: /** * @param bind network address this socket is to be bound * @param local transport port this socket is to be bound * @param remote peer transpor port */ RTPDuplex(const InetAddress &bind, tpport_t local, tpport_t remote); /** * */ virtual ~RTPDuplex(); /** * @param host peer address * @param port peer port. If not specified, the same as the * local is used * @return socket status */ UDPTransmit::Error connect(const InetHostAddress &host, tpport_t port = 0); protected: /** * @param timeout how much time to wait for new data * @return if there is some new data */ bool isPendingData(microtimeout_t timeout) { return isPendingReceive(timeout); } /** * @param buffer pointer to data to be written * @param len how many octets to write * @return number of octets written */ size_t sendData(const unsigned char *const buffer, size_t len) { return UDPTransmit::transmit((const char *)buffer, len); } /** * @param buffer where to store the retrieved data * @param len how many octets to read * @param na Source network address. * @param tp Source transport port. * @return number of octets read */ size_t recvData(unsigned char *buffer, size_t len, InetHostAddress& na, tpport_t& tp) { /* na = UDPReceive::getPeer(&tp); FIX name ambiguity */ return UDPReceive::receive(buffer, len); } /** * @param - peer host network address. * @param - peer host RTP data transport port. **/ inline void setDataPeer(const InetAddress&, tpport_t) { } /** * @param - peer host network address. * @param - peer host RTCP transport port. **/ inline void setControlPeer(const InetAddress&, tpport_t) { } inline size_t getNextDataPacketSize() const { // the const cast is a trick only needed for cc++2 <= 1.0.10 size_t len; ccioctl(const_cast(this)->UDPReceive::getReceiver(),FIONREAD,len); return len; } /** * @return the associated peer information */ SyncSource &getPeer(); private: tpport_t dataBasePort; }; /*@}*/ // rtpext END_NAMESPACE #endif //CCXX_RTP_EXT_H /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/base.h0000664000175000017500000000750311767643350012563 00000000000000// Copyright (C) 2001-2005 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef CCXX_RTP_BASE_H_ #define CCXX_RTP_BASE_H_ #ifndef CCXX_SOCKET_H_ #include #include #include #endif #ifndef CCXX_PACKING #if defined(__GNUC__) #define CCXX_PACKED #elif !defined(__hpux) && !defined(_AIX) #define CCXX_PACKED #endif #endif NAMESPACE_COMMONCPP /** * @file base.h * * @short Base elements for RTP stacks: constants, types and global * functions. **/ /// RTP protocol version supported. const uint8 CCRTP_VERSION = 2; /// Time interval expressed in microseconds. typedef uint32 microtimeout_t; /// Time interval expressed in nanoseconds. typedef uint32 nanotimeout_t; /** * Convert a time interval, expressed as a microtimeout_t (number of * microseconds), into a timeval value. * * @param to time interval, in microseconds. * @return the same time interval, as a timeval value. **/ __EXPORT timeval microtimeout2Timeval(microtimeout_t to); /** * Convert a time interval, expressed as a timeval value into a * microseconds counter. * * @param t time, as a timeval. * @return the same time, as a microseconds counter. **/ inline microtimeout_t timeval2microtimeout(const timeval& t) { return ((t.tv_sec * 1000000ul) + t.tv_usec); } /** * Convert a time interval, expressed as the difference between two * timeval values (t1-t2), into a microseconds counter. * * @param t1 First timeval. * @param t2 Second timeval. * @return difference between t1 and t2, in microseconds. **/ inline microtimeout_t timevalDiff2microtimeout(const timeval& t1, const timeval& t2) { return ((t1.tv_sec - t2.tv_sec) * 1000000ul) + (t1.tv_usec - t2.tv_usec); } /// registered default RTP data transport port const tpport_t DefaultRTPDataPort = 5004; /// registered default RTCP transport port const tpport_t DefaultRTCPPort = 5005; END_NAMESPACE #endif // ndef CCXX_RTP_BASE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/CryptoContext.h0000664000175000017500000003140111767643350014470 00000000000000/* Copyright (C) 2004-2006 the Minisip Team This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef CRYPTOCONTEXT_H #define CRYPTOCONTEXT_H #include #include #define REPLAY_WINDOW_SIZE 64 const int SrtpAuthenticationNull = 0; const int SrtpAuthenticationSha1Hmac = 1; const int SrtpAuthenticationSkeinHmac = 2; const int SrtpEncryptionNull = 0; const int SrtpEncryptionAESCM = 1; const int SrtpEncryptionAESF8 = 2; const int SrtpEncryptionTWOCM = 3; const int SrtpEncryptionTWOF8 = 4; #ifndef CRYPTOCONTEXTCTRL_H #include #ifdef SRTP_SUPPORT #include #endif class SrtpSymCrypto; NAMESPACE_COMMONCPP class RTPPacket; /** * The implementation for a SRTP cryptographic context. * * This class holds data and provides functions that implement a * cryptographic context for SRTP, Refer to RFC 3711, chapter 3.2 for some * more detailed information about the SRTP cryptographic context. * * Each SRTP cryptographic context maintains a RTP source identified by * its SSRC. Thus you can independently protect each source inside a RTP * session. * * Key management mechanisms negotiate the parameters for the SRTP * cryptographic context, such as master key, key length, authentication * length and so on. The key management mechanisms are not part of * SRTP. Refer to MIKEY (RFC 3880) or to Phil Zimmermann's ZRTP protocol * (draft-zimmermann-avt-zrtp-01). After key management negotiated the * data the application can setup the SRTP cryptographic context and * enable SRTP processing. * * Currently this implementation supports RTP only, not RTCP. * * @author Israel Abad * @author Erik Eliasson * @author Johan Bilien * @author Joachim Orrblad * @author Werner Dittmann */ class __EXPORT CryptoContext { public: /** * Constructor for empty SRTP cryptographic context. * * This constructor creates an empty SRTP cryptographic context were * all algorithms are set to the null algorithm, that is no SRTP processing * is performed. * * @param ssrc The RTP SSRC that this SRTP cryptographic context protects. */ CryptoContext( uint32 ssrc ); /** * Constructor for an active SRTP cryptographic context. * * This constructor creates an active SRTP cryptographic context were * algorithms are enabled, keys are computed and so on. This SRTP * cryptographic context can protect a RTP SSRC stream. * * @param ssrc * The RTP SSRC that this SRTP cryptographic context protects. * * @param roc * The initial Roll-Over-Counter according to RFC 3711. These are the * upper 32 bit of the overall 48 bit SRTP packet index. Refer to * chapter 3.2.1 of the RFC. * * @param keyDerivRate * The key derivation rate defines when to recompute the SRTP session * keys. Refer to chapter 4.3.1 in the RFC. * * @param ealg * The encryption algorithm to use. Possible values are * SrtpEncryptionNull, SrtpEncryptionAESCM, SrtpEncryptionAESF8 * . See chapter 4.1.1 for AESCM (Counter mode) and 4.1.2 * for AES F8 mode. * * @param aalg * The authentication algorithm to use. Possible values are * SrtpEncryptionNull, SrtpAuthenticationSha1Hmac. The only * active algorithm here is SHA1 HMAC, a SHA1 based hashed message * authentication code as defined in RFC 2104. * * @param masterKey * Pointer to the master key for this SRTP cryptographic context. * Must point to masterKeyLength bytes. Refer to chapter * 3.2.1 of the RFC about the role of the master key. * * @param masterKeyLength * The length in bytes of the master key in bytes. The length must * match the selected encryption algorithm. Because SRTP uses AES * based encryption only, then master key length may be 16 or 32 * bytes (128 or 256 bit master key) * * @param masterSalt * SRTP uses the master salt to computer the initialization vector * that in turn is input to compute the session key, session * authentication key and the session salt. * * @param masterSaltLength * The length in bytes of the master salt data in bytes. SRTP uses * AES as encryption algorithm. AES encrypts 16 byte blocks * (independent of the key length). According to RFC3711 the standard * value for the master salt length should be 112 bit (14 bytes). * * @param ekeyl * The length in bytes of the session encryption key that SRTP shall * compute and use. Usually the same length as for the master key * length. But you may use a different length as well. Be carefull * that the key management mechanisms supports different key lengths. * * @param akeyl * The length in bytes of the session authentication key. SRTP * computes this key and uses it as input to the authentication * algorithm. * The standard value is 160 bits (20 bytes). * * @param skeyl * The length in bytes of the session salt. SRTP computes this salt * key and uses it as input during encryption. The length usually * is the same as the master salt length. * * @param tagLength * The length is bytes of the authentication tag that SRTP appends * to the RTP packet. Refer to chapter 4.2. in the RFC 3711. */ CryptoContext( uint32 ssrc, int32 roc, int64 keyDerivRate, const int32 ealg, const int32 aalg, uint8* masterKey, int32 masterKeyLength, uint8* masterSalt, int32 masterSaltLength, int32 ekeyl, int32 akeyl, int32 skeyl, int32 tagLength ); /** * Destructor. * * Cleans the SRTP cryptographic context. */ ~CryptoContext(); /** * Set the Roll-Over-Counter. * * Ths method sets the upper 32 bit of the 48 bit SRTP packet index * (the roll-over-part) * * @param r * The roll-over-counter */ inline void setRoc(uint32 r) {roc = r;} /** * Get the Roll-Over-Counter. * * Ths method get the upper 32 bit of the 48 bit SRTP packet index * (the roll-over-part) * * @return The roll-over-counter */ inline uint32 getRoc() const {return roc;} /** * Perform SRTP encryption. * * This method encrypts and decrypts SRTP payload data. Plain * data gets encrypted, encrypted data get decrypted. * * @param rtp * The RTP packet that contains the data to encrypt. * * @param index * The 48 bit SRTP packet index. See the guessIndex * method. * * @param ssrc * The RTP SSRC data in host order. */ void srtpEncrypt( RTPPacket* rtp, uint64 index, uint32 ssrc ); /** * Compute the authentication tag. * * Compute the authentication tag according the the paramters in the * SRTP Cryptograhic context. * * @param rtp * The RTP packet that contains the data to authenticate. * * @param roc * The 32 bit SRTP roll-over-counter. * * @param tag * Points to a buffer that hold the computed tag. This buffer must * be able to hold tagLength bytes. */ void srtpAuthenticate(RTPPacket* rtp, uint32 roc, uint8* tag ); /** * Perform key derivation according to SRTP specification * * This method computes the session key, session authentication key and the * session salt key. This method must be called at least once after the * SRTP Cryptograhic context was set up. * * @param index * The 48 bit SRTP packet index. See the guessIndex * method. */ void deriveSrtpKeys(uint64 index); /** * Compute (guess) the new SRTP index based on the sequence number of * a received RTP packet. * * The method uses the algorithm show in RFC3711, Appendix A, to compute * the new index. * * @param newSeqNumber * The sequence number of the received RTP packet in host order. * * @return The new SRTP packet index */ uint64 guessIndex(uint16 newSeqNumber); /** * Check for packet replay. * * The method check if a received packet is either to old or was already * received. * * The method supports a 64 packet history relative the the given * sequence number. * * @param newSeqNumber * The sequence number of the received RTP packet in host order. * * @return true if no replay, false if packet * is too old ar was already received. */ bool checkReplay(uint16 newSeqNumber); /** * Update the SRTP packet index. * * Call this method after all checks were successful. See chapter * 3.3.1 in the RFC when to update the ROC and ROC processing. * * @param newSeqNumber * The sequence number of the received RTP packet in host order. */ void update( uint16 newSeqNumber ); /** * Get the length of the SRTP authentication tag in bytes. * * @return the length of the authentication tag. */ inline int32 getTagLength() const {return tagLength;} /** * Get the length of the MKI in bytes. * * @return the length of the MKI. */ inline int32 getMkiLength() const {return mkiLength;} /** * Get the SSRC of this SRTP Cryptograhic context. * * @return the SSRC. */ inline uint32 getSsrc() const {return ssrcCtx;} /** * Derive a new Crypto Context for use with a new SSRC * * This method returns a new Crypto Context initialized with the data * of this crypto context. Replacing the SSRC, Roll-over-Counter, and * the key derivation rate the application cab use this Crypto Context * to encrypt / decrypt a new stream (Synchronization source) inside * one RTP session. * * Before the application can use this crypto context it must call * the deriveSrtpKeys method. * * @param ssrc * The SSRC for this context * @param roc * The Roll-Over-Counter for this context * @param keyDerivRate * The key derivation rate for this context * @return * a new CryptoContext with all relevant data set. */ CryptoContext* newCryptoContextForSSRC(uint32 ssrc, int roc, int64 keyDerivRate); private: uint32 ssrcCtx; bool using_mki; uint32 mkiLength; uint8* mki; uint32 roc; uint32 guessed_roc; uint16 s_l; int64 key_deriv_rate; /* bitmask for replay check */ uint64 replay_window; uint8* master_key; uint32 master_key_length; uint32 master_key_srtp_use_nb; uint32 master_key_srtcp_use_nb; uint8* master_salt; uint32 master_salt_length; /* Session Encryption, Authentication keys, Salt */ int32 n_e; uint8* k_e; int32 n_a; uint8* k_a; int32 n_s; uint8* k_s; int32 ealg; int32 aalg; int32 ekeyl; int32 akeyl; int32 skeyl; int32 tagLength; bool seqNumSet; void* macCtx; #ifdef SRTP_SUPPORT SrtpSymCrypto* cipher; SrtpSymCrypto* f8Cipher; #else void* cipher; void* f8Cipher; #endif }; END_NAMESPACE #endif #endif /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/Makefile.am0000664000175000017500000000202111767643350013522 00000000000000# Copyright (C) 2002-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2008 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. AUTOMAKE_OPTIONS = no-dependencies dist-shar ccxxincludedir=$(includedir)/ccrtp ccxxinclude_HEADERS = base.h formats.h rtppkt.h rtcppkt.h sources.h channel.h \ queuebase.h iqueue.h oqueue.h ioqueue.h cqueue.h ext.h rtp.h pool.h \ CryptoContext.h CryptoContextCtrl.h kdoc_headers = base.h formats.h rtppkt.h rtcppkt.h sources.h channel.h \ queuebase.h iqueue.h oqueue.h ioqueue.h cqueue.h ext.h CryptoContext.h CryptoContextCtrl.h kdoc: kdoc -f html -d $(KDOC_DIR) -L$(KDOC_DIR) -n ccrtp $(kdoc_headers) ccrtp-2.0.6/src/ccrtp/oqueue.h0000664000175000017500000004447411767643350013164 00000000000000// Copyright (C) 2001,2002,2004,2005 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file oqueue.h * * @short Generic RTP output queues. **/ #ifndef CCXX_RTP_OQUEUE_H_ #define CCXX_RTP_OQUEUE_H_ #include #include #include NAMESPACE_COMMONCPP /** * @defgroup oqueue Generic RTP output queues. * @{ **/ /** * @class DestinationListHandler * * This class handles a list of destination addresses. Stores network * addresses as InetAddress objects. * * @author Federico Montesino Pouzols **/ class __EXPORT DestinationListHandler { protected: struct TransportAddress; std::list destList; public: DestinationListHandler(); ~DestinationListHandler(); /** * Get whether there is only a destination in the list. **/ inline bool isSingleDestination() const { return (1 == destList.size()); } inline TransportAddress* getFirstDestination() const { return destList.front(); } inline void lockDestinationList() const { destinationLock.readLock(); } inline void unlockDestinationList() const { destinationLock.unlock(); } protected: inline void writeLockDestinationList() const { destinationLock.writeLock(); } /** * Locks the object before modifying it. **/ bool addDestinationToList(const InetAddress& ia, tpport_t data, tpport_t control); /** * Locks the object before modifying it. **/ bool removeDestinationFromList(const InetAddress& ia, tpport_t dataPort, tpport_t controlPort); struct TransportAddress { TransportAddress(InetAddress na, tpport_t dtp, tpport_t ctp) : networkAddress(na), dataTransportPort(dtp), controlTransportPort(ctp) { } inline const InetAddress& getNetworkAddress() const { return networkAddress; } inline tpport_t getDataTransportPort() const { return dataTransportPort; } inline tpport_t getControlTransportPort() const { return controlTransportPort; } InetAddress networkAddress; tpport_t dataTransportPort, controlTransportPort; }; private: mutable ThreadLock destinationLock; }; #ifdef CCXX_IPV6 /** * @class DestinationListHandler * * This class handles a list of destination addresses. Stores network * addresses as InetAddress objects. * * @author Federico Montesino Pouzols **/ class __EXPORT DestinationListHandlerIPV6 { protected: struct TransportAddressIPV6; std::list destListIPV6; public: DestinationListHandlerIPV6(); ~DestinationListHandlerIPV6(); /** * Get whether there is only a destination in the list. **/ inline bool isSingleDestinationIPV6() const { return (1 == destListIPV6.size()); } inline TransportAddressIPV6* getFirstDestinationIPV6() const { return destListIPV6.front(); } inline void lockDestinationListIPV6() const { destinationLock.readLock(); } inline void unlockDestinationListIPV6() const { destinationLock.unlock(); } protected: inline void writeLockDestinationListIPV6() const { destinationLock.writeLock(); } /** * Locks the object before modifying it. **/ bool addDestinationToListIPV6(const IPV6Address& ia, tpport_t data, tpport_t control); /** * Locks the object before modifying it. **/ bool removeDestinationFromListIPV6(const IPV6Address& ia, tpport_t dataPort, tpport_t controlPort); struct TransportAddressIPV6 { TransportAddressIPV6(IPV6Address na, tpport_t dtp, tpport_t ctp) : networkAddress(na), dataTransportPort(dtp), controlTransportPort(ctp) { } inline const IPV6Address& getNetworkAddress() const { return networkAddress; } inline tpport_t getDataTransportPort() const { return dataTransportPort; } inline tpport_t getControlTransportPort() const { return controlTransportPort; } IPV6Address networkAddress; tpport_t dataTransportPort, controlTransportPort; }; private: mutable ThreadLock destinationLock; }; #endif /** * @class OutgoingDataQueue * * A generic outgoing RTP data queue supporting multiple destinations. * * @author Federico Montesino Pouzols **/ class __EXPORT OutgoingDataQueue: public OutgoingDataQueueBase, #ifdef CCXX_IPV6 protected DestinationListHandlerIPV6, #endif protected DestinationListHandler { public: #ifdef CCXX_IPV6 bool addDestination(const IPV6Address& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); bool forgetDestination(const IPV6Address& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); #endif bool addDestination(const InetHostAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); bool addDestination(const InetMcastAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); bool forgetDestination(const InetHostAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); bool forgetDestination(const InetMcastAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0); /** * Add csrc as the CSRC identifier of a new contributor. This * method adds the CSRC identifier to a list of contributors * that will be inserted in every packet enqueued from now on. **/ void addContributor(uint32 csrc); /** * Remove CSRC from the list of contributors. **/ bool removeContributor(uint32 csrc); /** * Determine if outgoing packets are waiting to send. * * @return true if there are packets waiting to be send. */ bool isSending() const; /** * This is used to create a data packet in the send queue. * Sometimes a "NULL" or empty packet will be used instead, and * these are known as "silent" packets. "Silent" packets are * used simply to "push" the scheduler along more accurately * by giving the appearence that a next packet is waiting to * be sent and to provide a valid timestamp for that packet. * * @param stamp Timestamp for expected send time of packet. * @param data Value or NULL if special "silent" packet. * @param len May be 0 to indicate a default by payload type. **/ void putData(uint32 stamp, const unsigned char* data = NULL, size_t len = 0); /** * This is used to create a data packet and send it immediately. * Sometimes a "NULL" or empty packet will be used instead, and * these are known as "silent" packets. "Silent" packets are * used simply to "push" the scheduler along more accurately * by giving the appearence that a next packet is waiting to * be sent and to provide a valid timestamp for that packet. * * @param stamp Timestamp immediate send time of packet. * @param data Value or NULL if special "silent" packet. * @param len May be 0 to indicate a default by payload type. **/ void sendImmediate(uint32 stamp, const unsigned char* data = NULL, size_t len = 0); /** * Set padding. All outgoing packets will be transparently * padded to a multiple of paddinglen. * * @param paddinglen pad packets to a length multiple of paddinglen. **/ void setPadding(uint8 paddinglen) { sendInfo.paddinglen = paddinglen; } /** * Set marker bit for the packet in which the next data * provided will be send. When transmitting audio, should be * set for the first packet of a talk spurt. When transmitting * video, should be set for the last packet for a video frame. * * @param mark Marker bit value for next packet. **/ void setMark(bool mark) { sendInfo.marked = mark; } /** * Get wheter the mark bit will be set in the next packet. **/ inline bool getMark() const { return sendInfo.marked; } /** * Set partial data for an already queued packet. This is often * used for multichannel data. * * @param timestamp Timestamp of packet. * @param data Buffer to copy from. * @param offset Offset to copy from. * @param max Maximum data size. * @return Number of packet data bytes set. **/ size_t setPartial(uint32 timestamp, unsigned char* data, size_t offset, size_t max); inline microtimeout_t getDefaultSchedulingTimeout() const { return defaultSchedulingTimeout; } /** * Set the default scheduling timeout to use when no data * packets are waiting to be sent. * * @param to timeout in milliseconds. **/ inline void setSchedulingTimeout(microtimeout_t to) { schedulingTimeout = to; } inline microtimeout_t getDefaultExpireTimeout() const { return defaultExpireTimeout; } /** * Set the "expired" timer for expiring packets pending in * the send queue which have gone unsent and are already * "too late" to be sent now. * * @param to timeout to expire unsent packets in milliseconds. **/ inline void setExpireTimeout(microtimeout_t to) { expireTimeout = to; } inline microtimeout_t getExpireTimeout() const { return expireTimeout; } /** * Get the total number of packets sent so far * * @return total number of packets sent */ inline uint32 getSendPacketCount() const { return sendInfo.packetCount; } /** * Get the total number of octets (payload only) sent so far. * * @return total number of payload octets sent in RTP packets. **/ inline uint32 getSendOctetCount() const { return sendInfo.octetCount; } /** * Get the sequence number of the next outgoing packet. * * @return the 16 bit sequence number. **/ inline uint16 getSequenceNumber() const { return sendInfo.sendSeq; } /** * Set ouput queue CryptoContext. * * The endQueue method (provided by RTPQueue) deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext. */ void setOutQueueCryptoContext(CryptoContext* cc); /** * Remove output queue CryptoContext. * * The endQueue method (provided by RTPQueue) also deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext to remove. */ void removeOutQueueCryptoContext(CryptoContext* cc); /** * Get an output queue CryptoContext identified by SSRC * * @param ssrc Request CryptoContext for this incoming SSRC * @return Pointer to CryptoContext of the SSRC of NULL if no context * available for this SSRC. */ CryptoContext* getOutQueueCryptoContext(uint32 ssrc); protected: OutgoingDataQueue(); virtual ~OutgoingDataQueue() { } struct OutgoingRTPPktLink { OutgoingRTPPktLink(OutgoingRTPPkt* pkt, OutgoingRTPPktLink* p, OutgoingRTPPktLink* n) : packet(pkt), prev(p), next(n) { } ~OutgoingRTPPktLink() { delete packet; } inline OutgoingRTPPkt* getPacket() { return packet; } inline void setPacket(OutgoingRTPPkt* pkt) { packet = pkt; } inline OutgoingRTPPktLink* getPrev() { return prev; } inline void setPrev(OutgoingRTPPktLink* p) { prev = p; } inline OutgoingRTPPktLink* getNext() { return next; } inline void setNext(OutgoingRTPPktLink* n) { next = n; } // the packet this link refers to. OutgoingRTPPkt* packet; // global outgoing packets queue. OutgoingRTPPktLink * prev, * next; }; /** * This is used to write the RTP data packet to one or more * destinations. It is used by both sendImmediate and by * dispatchDataPacket. * * @param RTP packet to send. */ void dispatchImmediate(OutgoingRTPPkt *packet); /** * This computes the timeout period for scheduling transmission * of the next packet at the "head" of the send buffer. If no * packets are waiting, a default timeout is used. This actually * forms the "isPending()" timeout of the rtp receiver in the * service thread. * * @return timeout until next packet is scheduled to send. **/ microtimeout_t getSchedulingTimeout(); /** * This function is used by the service thread to process * the next outgoing packet pending in the sending queue. * * @return number of bytes sent. 0 if silent, <0 if error. **/ size_t dispatchDataPacket(); /** * For thoses cases in which the application requires a method * to set the sequence number for the outgoing stream (such as * for implementing the RTSP PLAY command). * * @param seqNum next sequence number to be used for outgoing packets. * **/ inline void setNextSeqNum(uint32 seqNum) { sendInfo.sendSeq = seqNum; } inline uint32 getCurrentSeqNum(void) { return sendInfo.sendSeq; } /** */ inline void setInitialTimestamp(uint32 ts) { initialTimestamp = ts; } /** */ inline uint32 getInitialTimestamp() { return initialTimestamp; } void purgeOutgoingQueue(); virtual void setControlPeer(const InetAddress &host, tpport_t port) {} #ifdef CCXX_IPV6 virtual void setControlPeerIPV6(const IPV6Address &host, tpport_t port) {} #endif // The crypto contexts for outgoing SRTP sessions. mutable Mutex cryptoMutex; std::list cryptoContexts; private: /** * A hook to filter packets being sent that have been expired. * * @param - expired packet from the send queue. **/ inline virtual void onExpireSend(OutgoingRTPPkt&) { } virtual void setDataPeer(const InetAddress &host, tpport_t port) {} #ifdef CCXX_IPV6 virtual void setDataPeerIPV6(const IPV6Address &host, tpport_t port) {} #endif /** * This function performs the physical I/O for writing a * packet to the destination. It is a virtual that is * overriden in the derived class. * * @param buffer Pointer to data to write. * @param len Length of data to write. * @return number of bytes sent. **/ virtual size_t sendData(const unsigned char* const buffer, size_t len) {return 0;} #ifdef CCXX_IPV6 virtual size_t sendDataIPV6(const unsigned char* const buffer, size_t len) {return 0;} #endif static const microtimeout_t defaultSchedulingTimeout; static const microtimeout_t defaultExpireTimeout; mutable ThreadLock sendLock; // outgoing data packets queue OutgoingRTPPktLink* sendFirst, * sendLast; uint32 initialTimestamp; // transmission scheduling timeout for the service thread microtimeout_t schedulingTimeout; // how old a packet can reach in the sending queue before deletetion microtimeout_t expireTimeout; struct { // number of packets sent from the beginning uint32 packetCount; // number of payload octets sent from the beginning uint32 octetCount; // the sequence number of the next packet to sent uint16 sendSeq; // contributing sources uint32 sendSources[16]; // how many CSRCs to send. uint16 sendCC; // pad packets to a paddinglen multiple uint8 paddinglen; // This flags tells whether to set the bit M in the // RTP fixed header of the packet in which the next // provided data will be sent. bool marked; // whether there was not loss. bool complete; // ramdonly generated offset for the timestamp of sent packets uint32 initialTimestamp; // elapsed time accumulated through successive overflows of // the local timestamp field timeval overflowTime; } sendInfo; }; /** @}*/ // oqueue END_NAMESPACE #endif //CCXX_RTP_OQUEUE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/Makefile.in0000644000175000017500000004016512153104762013531 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # Copyright (C) 2002-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2008 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file pool.h * @short Pools of RTP sessions. **/ #ifndef CCXX_RTP_POOL_H #define CCXX_RTP_POOL_H #include #include NAMESPACE_COMMONCPP using std::list; typedef TRTPSessionBase<> RTPSessionBase; class RTPSessionBaseHandler { public: inline microtimeout_t getSchedulingTimeout(RTPSessionBase& s) { return s.getSchedulingTimeout(); } inline timeval getRTCPCheckInterval(RTPSessionBase& s) { return s.getRTCPCheckInterval(); } size_t takeInDataPacket(RTPSessionBase& s) { return s.takeInDataPacket(); } size_t dispatchDataPacket(RTPSessionBase& s) { return s.dispatchDataPacket(); } void controlReceptionService(RTPSessionBase& s) { s.controlReceptionService(); } void controlTransmissionService(RTPSessionBase& s) { s.controlTransmissionService(); } inline SOCKET getDataRecvSocket(RTPSessionBase& s) const { return s.getDataRecvSocket(); } inline SOCKET getControlRecvSocket(RTPSessionBase& s) const { return s.getControlRecvSocket(); } }; /** * Class for tracking session status. Session pools arrange sessions * in lists of SessionListElement objects. * * @author Jorgen Terner **/ class SessionListElement { private: RTPSessionBase* elem; bool cleared; public: SessionListElement(RTPSessionBase* e); void clear(); bool isCleared(); RTPSessionBase* get(); }; inline SessionListElement::SessionListElement(RTPSessionBase* e) : elem(e), cleared(false) { } inline void SessionListElement::clear() { cleared = true; delete elem; elem = 0; } inline bool SessionListElement::isCleared() { return cleared; } inline RTPSessionBase* SessionListElement::get() { return elem; } /** * std equality for SessionListElement objects. * * @author Jorgen Terner **/ class PredEquals { protected: RTPSessionBase* elem; public: PredEquals(RTPSessionBase* e) : elem(e) {} bool operator() (SessionListElement* e) { return e->get() == elem; } }; /** * This class is a base class for classes that define a group of RTP * sessions that will be served by one or more execution * threads. Derived classes are responsible for serving each RTP * session with a thread at least. * * In order to use the RTP session "pool" you just have to build * RTPSessionBase objects for each RTP session (instead of RTPSession * objects). Then, add the RTPSessionBase objects to an RTP session * "pool" and call startRunning() method of the session pool. * * @author Federico Montesino Pouzols **/ class __EXPORT RTPSessionPool: public RTPSessionBaseHandler { public: RTPSessionPool(); inline virtual ~RTPSessionPool() { } bool addSession(RTPSessionBase& session); bool removeSession(RTPSessionBase& session); size_t getPoolLength() const; virtual void startRunning() = 0; inline bool isActive() { return poolActive; } protected: inline void setActive() { poolActive = true; } inline timeval getPoolTimeout() { return poolTimeout; } inline void setPoolTimeout(int sec, int usec) { poolTimeout.tv_sec = sec; poolTimeout.tv_usec = usec; } inline void setPoolTimeout(struct timeval to) { poolTimeout = to; } std::list sessionList; typedef std::list::iterator PoolIterator; mutable ThreadLock poolLock; #ifndef _MSWINDOWS_ fd_set recvSocketSet; SOCKET highestSocket; // highest socket number + 1 #endif private: timeval poolTimeout; mutable bool poolActive; }; class __EXPORT SingleRTPSessionPool : public RTPSessionPool, public Thread { public: /** * @param pri optional thread priority value. **/ SingleRTPSessionPool(int pri = 0) : RTPSessionPool(), Thread(pri) { } ~SingleRTPSessionPool() { } void startRunning() { setActive(); Thread::start(); } protected: /** * Runnable method for the thread. This thread serves all the * RTP sessions.added to this pool. */ void run(); }; END_NAMESPACE #endif //CCXX_RTP_POOL_H /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/queuebase.h0000664000175000017500000002164111767643350013627 00000000000000// Copyright (C) 2001,2002,2004 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file queuebase.h * * @short Base classes for RTP queues. **/ #ifndef CCXX_RTP_QUEUEBASE_H_ #define CCXX_RTP_QUEUEBASE_H_ #include #include #include NAMESPACE_COMMONCPP /** * @defgroup queuebase Base classes for RTP queues. * @{ **/ /** * @class AppDataUnit * @short Interface (envelope) to data received over RTP packets. * * A class of objects representing data transmitted over RTP packets. * Tipically, this object will apply to received data. Data blocks * received via RTP connections as well as its related objects * (source, etc), are accessed through the methods of this class. * * @author Federico Montesino Pouzols **/ class __EXPORT AppDataUnit { public: AppDataUnit(const IncomingRTPPkt& packet, const SyncSource& src); inline ~AppDataUnit() { } /** * @param src the AppDataUnit object being copied */ AppDataUnit(const AppDataUnit& src); /** * Assignment operator * * @param source the AppDataUnit object being assigned @return * the result of the assignment */ AppDataUnit& operator=(const AppDataUnit& source); /** * @return type of this data */ inline PayloadType getType() const { return datablock->getPayloadType(); } /** * Get data as it is received in RTP packets (i.e. for * multi-octet encodings, octets are in network * order. * * @return Raw pointer to data block. **/ inline const uint8* const getData() const { return datablock->getPayload(); } /** * @return length of data in octets **/ size_t getSize() const { return datablock->getPayloadSize(); } /** * @return Source that sent this data */ inline const SyncSource& getSource() const { return *source; } /** * Is this data unit marked?. * * @return true if marked. **/ inline bool isMarked() const { return datablock->isMarked(); } /** * Get data unit sequence number. **/ inline uint16 getSeqNum() const { return datablock->getSeqNum(); } /** * Get the number of contributing sources in the CSRC list. **/ inline uint8 getContributorsCount() const { return (uint8)datablock->getCSRCsCount(); } /** * Get the array of 32-bit CSRC identifiers. * * @return NULL if (getContributorsCount() == 0) **/ inline const uint32* getContributorsID() const { return datablock->getCSRCs(); } private: Pointer datablock; const SyncSource* source; }; /** * @class RTPQueueBase * * A virtual base class for RTP queue hierarchies. * * @author Federico Montesino Pouzols **/ class __EXPORT RTPQueueBase { public: /** * Set the payload format in use, for timing and payload type * identification purposes. * * @param pf payload format to use from now on. * @return whether the payload format has been successfully set. **/ inline bool setPayloadFormat(const PayloadFormat& pf) { currentPayloadType = pf.getPayloadType(); currentRTPClockRate = pf.getRTPClockRate(); return true; } inline uint32 getLocalSSRC() const { return localSSRC; } /** * Get the clock rate in RTP clock units (for instance, 8000 * units per second for PCMU, or 90000 units per second for * MP2T). This value depends on what payload format has been * selected using setPayloadFormat(). * * @return clock rate in RTP clock units. **/ inline uint32 getCurrentRTPClockRate() const { return currentRTPClockRate; } inline PayloadType getCurrentPayloadType() const { return currentPayloadType; } inline timeval getInitialTime() const { return initialTime; } protected: /** * @param ssrc If not null, the local SSRC identifier for this * session. **/ RTPQueueBase(uint32 *ssrc = NULL); inline void setLocalSSRC(uint32 ssrc) { localSSRC = ssrc; localSSRCNetwork = htonl(ssrc); } inline uint32 getLocalSSRCNetwork() const { return localSSRCNetwork; } virtual ~RTPQueueBase() { } /** * A plugin point for posting of BYE messages. * * @param - reason to leave the RTP session. * @return number of octets sent. **/ inline virtual size_t dispatchBYE(const std::string&) { return 0; } inline virtual void renewLocalSSRC() { } private: // local SSRC 32-bit identifier uint32 localSSRC; // SSRC in network byte order uint32 localSSRCNetwork; // RTP clock rate for the current payload type. uint32 currentRTPClockRate; // Current payload type set for outgoing packets and expected // from incoming packets. PayloadType currentPayloadType; // when the queue is created timeval initialTime; }; /** * @class OutgoingDataQueueBase * * @author Federico Montesino Pouzols **/ class __EXPORT OutgoingDataQueueBase: public virtual RTPQueueBase { public: inline size_t getDefaultMaxSendSegmentSize() { return defaultMaxSendSegmentSize;} /** * Set maximum payload segment size before fragmenting sends. * * @param size Maximum payload size. * @return Whether segment size was successfully set. **/ inline void setMaxSendSegmentSize(size_t size) { maxSendSegmentSize = size; } inline size_t getMaxSendSegmentSize() { return maxSendSegmentSize; } protected: OutgoingDataQueueBase(); inline virtual ~OutgoingDataQueueBase() { } private: static const size_t defaultMaxSendSegmentSize; // maximum packet size before fragmenting sends. size_t maxSendSegmentSize; }; /** * @class IncomingDataQueueBase * * @author Federico Montesino Pouzols **/ class __EXPORT IncomingDataQueueBase: public virtual RTPQueueBase { public: inline size_t getDefaultMaxRecvPacketSize() const { return defaultMaxRecvPacketSize; } inline size_t getMaxRecvPacketSize() const { return maxRecvPacketSize; } /** * @param maxsize maximum length of received RTP data packets, * in octets. Defaults to the value returned by * getDefaultMaxRecvPacketSize(). * * @note This method sets a filter for incoming * packets. Setting higher values does not necessarily imply * higher memory usage (this method does not set any buffer * size). **/ inline void setMaxRecvPacketSize(size_t maxsize) { maxRecvPacketSize = maxsize; } protected: IncomingDataQueueBase() { setMaxRecvPacketSize(getDefaultMaxRecvPacketSize()); } inline virtual ~IncomingDataQueueBase() { } private: static const size_t defaultMaxRecvPacketSize; // filter value for received packets length. size_t maxRecvPacketSize; }; /** @}*/ // queuebase END_NAMESPACE #endif //CCXX_RTP_QUEUEBASE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/cqueue.h0000664000175000017500000005542411767643350013145 00000000000000// Copyright (C) 2001,2002,2004 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file cqueue.h * * @short Generic RTCP control queues. **/ #ifndef CCXX_RTP_CQUEUE_H_ #define CCXX_RTP_CQUEUE_H_ #include #include #include NAMESPACE_COMMONCPP /** * @defgroup cqueue Generic RTCP control queues. * @{ **/ /** * @class QueueRTCPManager * @short Adds generic management of RTCP functions to an RTP data * queue. * * Extends an RTP data i/o queue adding management of RTCP functions: * * Provide feedback on the quality of the data distribution. * * Convey the CNAME (persistent transport-level identifier) for every * RTP source. * * Control the sending rate of RTCP packets * * Convey minimal control information about the participants * * This class implements generic RTCP behaviour (as specified in RFC * 1889/draft-ietf-avt-rtp-new) and may be specialized for specific * profiles (see AVPQueue) or particular RTCP extensions. * * @author Federico Montesino Pouzols **/ class __EXPORT QueueRTCPManager : public RTPDataQueue, protected RTCPCompoundHandler { public: /** * Get the most recent sender report received from a * synchronization source. * * @param src Synchronization source of the sender info. * @return Most recent sender info received from src. * @retval NULL when no sender report has been received from * the specified source. **/ RTCPSenderInfo* getMRSenderInfo(SyncSource& src); /** * Ask for the info in the most recent receiver report about * the local source received from the source given as * parameter. * * @param srcFrom Source of the receiver info. * @return most recent receiver info received from src. * @retval NULL when no receiver report has been received from * the specified source. */ RTCPReceiverInfo* getMRReceiverInfo(SyncSource& srcFrom); /** * Set how much time the stack will wait before deleting a * synchronization source that has sent an RTCP BYE packet. * * @param delay delay in microseconds. * * @note The default delay is 1000000 microseconds **/ void setLeavingDelay(microtimeout_t delay) { leavingDelay = delay; } /** * This method sets the maximum end to end delay allowed. If * the processing delay plus the trip time for a packet is * greater than the end to end delay, the packet is discarded, * and the application cannot get it. * * This is a way of setting an upper bound to the end to end * delay, computed as the elapsed time between the packet * timestamping at the sender side, and the picking of the * packet at the receiver side. * * @param t maximum end to end delay allowed. A value of 0 * implies there is no limit and is the default */ inline void setEnd2EndDelay(microtimeout_t t) { end2EndDelay = t; } inline microtimeout_t getDefaultEnd2EndDelay() const { return defaultEnd2EndDelay; } inline microtimeout_t getEnd2EndDelay() const { return end2EndDelay; } /** * Specify the fraction of the total control bandwith to be * dedicated to senders reports. * * @param fraction fraction of bandwidth, must be between 0 an 1. * * This method sets the fraction of the global control * bandwidth that will be dedicated to senders reports. Of * course, 1 - fraction will be dedicated to * receivers reports. * * @see setControlBandwidth */ inline void setSendersControlFraction(float fraction) { sendControlBwFract = fraction; recvControlBwFract = 1 - fraction;} /** * Manually set the minimum interval for sending RTP compound * packets * * @param interval minimum interval between RTCP packets, in * microseconds. * * @see computeRTCPInterval() **/ void setMinRTCPInterval(microtimeout_t interval) { rtcpMinInterval = interval; } /** * Get the total number of RTCP packets sent until now **/ inline uint32 getSendRTCPPacketCount() const { return ctrlSendCount; } /** * Set ouput queue CryptoContext. * * The endQueue method (provided by RTPQueue) deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext. */ void setOutQueueCryptoContextCtrl(CryptoContextCtrl* cc); /** * Remove output queue CryptoContext. * * The endQueue method (provided by RTPQueue) also deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext to remove. */ void removeOutQueueCryptoContextCtrl(CryptoContextCtrl* cc); /** * Get an output queue CryptoContext identified by SSRC * * @param ssrc Request CryptoContext for this incoming SSRC * @return Pointer to CryptoContext of the SSRC of NULL if no context * available for this SSRC. */ CryptoContextCtrl* getOutQueueCryptoContextCtrl(uint32 ssrc); /** * Set input queue CryptoContext. * * The endQueue method (provided by RTPQueue) deletes all * registered CryptoContexts. * * @param cc Pointer to initialized CryptoContext. */ void setInQueueCryptoContextCtrl(CryptoContextCtrl* cc); /** * Remove input queue CryptoContext. * * The endQueue method (provided by RTPQueue) also deletes all * registered CryptoContexts. * * @param cc * Pointer to initialized CryptoContext to remove. If pointer * if NULL then delete the whole queue */ void removeInQueueCryptoContextCtrl(CryptoContextCtrl* cc); /** * Get an input queue CryptoContext identified by SSRC * * @param ssrc Request CryptoContext for this incoming SSRC * @return Pointer to CryptoContext of the SSRC of NULL if no context * available for this SSRC. */ CryptoContextCtrl* getInQueueCryptoContextCtrl(uint32 ssrc); protected: QueueRTCPManager(uint32 size = RTPDataQueue::defaultMembersHashSize, RTPApplication& app = defaultApplication()); QueueRTCPManager(uint32 ssrc, uint32 size = RTPDataQueue::defaultMembersHashSize, RTPApplication& app = defaultApplication()); virtual ~QueueRTCPManager(); const RTPApplication& getApplication() { return queueApplication; } inline void setControlBandwidth(float fraction) { controlBwFract = fraction; } float getControlBandwidth() const { return controlBwFract; } /** * Build and send RTCP packets following timing rules * (including the "timer reconsideration" algorithm). **/ void controlTransmissionService(); /** * Process incoming RTCP packets pending in the control * reception socket. **/ void controlReceptionService(); /** * Appy collision and loop detection and correction algorithm * when receiving RTCP packets. Follows section 8.2 in * draft-ietf-avp-rtp-new. * * @param sourceLink link to the source object. * @param is_new whether the source has been just recorded. * @param na RTCP packet network address. * @param tp RTCP packet source transport port. * * @return whether the packet must not be discarded. **/ bool checkSSRCInRTCPPkt(SyncSourceLink& sourceLink, bool is_new, InetAddress& na, tpport_t tp); void endQueueRTCPManager(); /** * Plug-in for processing (acquire information carried in) an * incoming RTCP Sender Report. The default implementation in * this class only processes the sender information and the * receiver report blocks about the local source. * * @param source Synchronization source this report comes from. * @param SR Sender report structure. * @param blocks Number of report blocks in the packet. **/ virtual void onGotSR(SyncSource& source, SendReport& SR, uint8 blocks); /** * Plug-in for processing (acquire information carried in) an * incoming RTCP Receiver Report. The default implementation * in this class only processes the receiver report blocks * about the local source. * * @param source Synchronization source this report comes from. * @param RR Receiver report structure * @param blocks Number of report blocks in the packet **/ virtual void onGotRR(SyncSource& source, RecvReport& RR, uint8 blocks); /** * @param source Synchronization source of SDES RTCP packet. * @param pkt SDES RTCP packet received. **/ bool onGotSDES(SyncSource& source, RTCPPacket& pkt); /** * Plug-in for handling of SDES chunks. * * @param source Synchronization source of SDES chunk. * @param chunk SDES chunk structure. * @param len Length of chunk, in octets. * * @return whether there was a CNAME. **/ virtual bool onGotSDESChunk(SyncSource& source, SDESChunk& chunk, size_t len); /** * Plug-in for handling of APP (application specific) RTCP * packets. * * @param - Synchronization source of this packet. * @param - RTCP APP packet struct. * @param - Length of the app data packet, including ssrc. * name and app. specific data. **/ inline virtual void onGotAPP(SyncSource&, RTCPCompoundHandler::APPPacket&, size_t) { return; } inline timeval getRTCPCheckInterval() { return rtcpCheckInterval; } /** * Get the number of data packets sent at the time the last SR * was generated. **/ uint32 getLastSendPacketCount() const { return lastSendPacketCount; } /** * @param n Number of members. **/ inline void setPrevMembersNum(uint32 n) { reconsInfo.rtcpPMembers = n; } inline uint32 getPrevMembersCount() const { return reconsInfo.rtcpPMembers; } /** * This method is used to send an RTCP BYE packet. An RTCP * BYE packet is sent when one of the the following * circumstances occur: * - when leaving the session * - when we have detected that another synchronization source * in the same session is using the same SSRC identifier as * us. * * Try to post a BYE message. It will send a BYE packet as * long as at least one RTP or RTCP packet has been sent * before. If the number of members in the session is more * than 50, the algorithm described in section 6.3.7 of * RFC 3550 is applied in order to avoid a flood * of BYE messages. * * @param reason reason to specify in the BYE packet. **/ size_t dispatchBYE(const std::string& reason); size_t sendControlToDestinations(unsigned char* buffer, size_t len); private: QueueRTCPManager(const QueueRTCPManager &o); QueueRTCPManager& operator=(const QueueRTCPManager &o); /** * Posting of RTCP messages. * * @return std::size_t number of octets sent */ size_t dispatchControlPacket(); /** * For picking up incoming RTCP packets if they are waiting. A * timeout for the maximum interval since the last RTCP packet * had been received is also returned. This is checked every * rtcpCheckInterval seconds. * * This method decomposes all incoming RTCP compound packets * pending in the control socket and processes each RTCP * packet. * **/ void takeInControlPacket(); /** * Computes the interval for sending RTCP compound packets, * based on the average size of RTCP packets sent and * received, and the current estimated number of participants * in the session. * * @note This currently follows the rules in section 6 of * RFC 3550 * @todo make it more flexible as recommended in the draft. For now, * we have setMinRTCPInterval. * * @return interval for sending RTCP compound packets **/ virtual timeval computeRTCPInterval(); /** * Choose which should be the type of the next SDES item * sent. This method is called when packing SDES chunks in a * new RTCP packet. * * @return type of the next SDES item to be sent **/ virtual SDESItemType scheduleSDESItem(); /** * Plug-in for SSRC collision handling. * * @param - previously identified source. **/ inline virtual void onSSRCCollision(const SyncSource&) { } /** * Virtual reimplemented from RTPDataQueue **/ virtual bool end2EndDelayed(IncomingRTPPktLink& p); /** * Plug-in for processing of SR/RR RTCP packet * profile-specific extensions (third part of SR reports or * second part of RR reports). * * @param - Content of the profile extension. * @param - Length of the extension, in octets. **/ inline virtual void onGotRRSRExtension(unsigned char*, size_t) { return; } /** * A plugin point for goodbye message. Called when a BYE RTCP * packet has been received from a valid synchronization * source. * * @param - synchronization source from what a BYE RTCP * packet has been just received. * @param - reason string the source has provided. **/ inline virtual void onGotGoodbye(const SyncSource&, const std::string&) { return; } /** * Process a BYE packet just received and identified. * * @param pkt previously identified RTCP BYE packet * @param pointer octet number in the RTCP reception buffer * where the packet is stored * @param len total length of the compount RTCP packet the BYE * packet to process is contained * * @bug if the bye packet contains several SSRCs, * eventSourceLeaving is only called for the last one **/ bool getBYE(RTCPPacket &pkt, size_t &pointer, size_t len); /** * @return number of Report Blocks packed **/ uint8 packReportBlocks(RRBlock* blocks, uint16& len, uint16& available); /** * Builds an SDES RTCP packet. Each chunk is built following * appendix A.4 in draft-ietf-avt-rtp-new. * * @param len provisionary length of the RTCP compound packet * * @return **/ void packSDES(uint16& len); /** * This must be called in order to update the average RTCP compound * packet size estimation when: * * a compoung RTCP packet is received (6.3.3). * * a compound RTCP packet is transmitted (6.3.6). * * @param len length in octets of the compound RTCP packet * just received/transmitted. **/ void updateAvgRTCPSize(size_t len); /** * Apply reverse reconsideration adjustment to timing * parameters when receiving BYE packets and not waiting to * send a BYE. **/ void reverseReconsideration(); bool timerReconsideration(); /** * Purge sources that do not seem active any more. * * @note MUST be perform at least every RTCP transmission * interval * @todo implement it. It may be dangerous and anyway should * be optional. **/ void expireSSRCs(); /** * To be executed when whe are leaving the session. **/ void getOnlyBye(); /** * Set item value from a string without null termination (as * it is transported in RTCP packets). **/ void setSDESItem(Participant* part, SDESItemType type, const char* const value, size_t len); /** * Set PRIV item previx value from a string without null * termination (as it is transported in RTCP packets). **/ void setPRIVPrefix(Participant* part, const char* const value, size_t len); /** * For certain control calculations in RTCP, the size of the * underlying network and transport protocols is needed. This * method provides the size of the network level header for * the default case of IP (20 octets). In case other protocol * with different header size is used, this method should be * redefined in a new specialized class. * * @return size of the headers of the network level. IP (20) by * default. **/ inline virtual uint16 networkHeaderSize() { return 20; } /** * For certain control calculations in RTCP, the size of the * underlying network and transport protocols is needed. This * method provides the size of the transport level header for * the default case of UDP (8 octets). In case other protocol * with different header size is used, this method should be * redefined in a new specialized class. * * return size of the headers of the transport level. UDP (8) * by default **/ inline virtual uint16 transportHeaderSize() { return 8; } int32 protect(uint8* pkt, size_t len, CryptoContextCtrl* cc); int32 unprotect(uint8* pkt, size_t len, CryptoContextCtrl* cc); SDESItemType nextSDESType(SDESItemType t); virtual size_t sendControl(const unsigned char* const buffer, size_t len) = 0; virtual size_t recvControl(unsigned char* buffer, size_t len, InetHostAddress& na, tpport_t& tp) = 0; virtual bool isPendingControl(microtimeout_t timeout) = 0; // whether the RTCP service is active volatile bool controlServiceActive; float controlBwFract, sendControlBwFract, recvControlBwFract; // number of RTCP packets sent since the beginning uint32 ctrlSendCount; // Network + transport headers size, typically size of IP + // UDP headers uint16 lowerHeadersSize; SDESItemType nextScheduledSDESItem; static const SDESItemType firstSchedulable; static const SDESItemType lastSchedulable; // state for rtcp timing. Its meaning is defined in // draft-ietf-avt-rtp-new, 6.3. // Parameters for timer reconsideration algorithm struct { timeval rtcpTp, rtcpTc, rtcpTn; uint32 rtcpPMembers; } reconsInfo; bool rtcpWeSent; uint16 rtcpAvgSize; bool rtcpInitial; // last time we checked if there were incoming RTCP packets timeval rtcpLastCheck; // interval to check if there are incoming RTCP packets timeval rtcpCheckInterval; // next time to check if there are incoming RTCP packets timeval rtcpNextCheck; // number of RTP data packets sent at the time of the last // RTCP packet transmission. uint32 lastSendPacketCount; // minimum interval for transmission of RTCP packets. The // result of computeRTCPInterval will always be >= (times a // random number between 0.5 and 1.5). microtimeout_t rtcpMinInterval; microtimeout_t leavingDelay; static const microtimeout_t defaultEnd2EndDelay; // Maximum delay allowed between packet timestamping and // packet availability for the application. microtimeout_t end2EndDelay; // Application this queue is bound to. RTPApplication& queueApplication; // an empty RTPData static const uint16 TIMEOUT_MULTIPLIER; static const double RECONSIDERATION_COMPENSATION; mutable Mutex outCryptoMutex; std::list outCryptoContexts; uint32 srtcpIndex; mutable Mutex inCryptoMutex; std::list inCryptoContexts; }; /** * This class, an RTP/RTCP queue, adds audio/video profile (AVP) * specific methods to the generic RTCP service queue * (QueueRTCPManager). * * @author Federico Montesino Pouzols **/ class __EXPORT AVPQueue : public QueueRTCPManager { public: /** * Specify the bandwith available for control (RTCP) packets. * This method sets the global control bandwidth for both * sender and receiver reports. As recommended in RFC 1890, * 1/4 of the total control bandwidth is dedicated to senders, * whereas 3/4 are dedicated to receivers. * * @param fraction fraction of the session bandwidth, between * 0 and 1 * * @note If this method is not called, it is assumed that the * control bandwidth is equal to 5% of the session * bandwidth. Note also that the RFC RECOMMENDS the 5%. * **/ inline void setControlBandwidth(float fraction) { QueueRTCPManager::setControlBandwidth(fraction); } float getControlBandwidth() const { return QueueRTCPManager::getControlBandwidth(); } protected: AVPQueue(uint32 size = RTPDataQueue::defaultMembersHashSize, RTPApplication& app = defaultApplication()) : QueueRTCPManager(size,app) { } /** * Local SSRC is given instead of computed by the queue. **/ AVPQueue(uint32 ssrc, uint32 size = RTPDataQueue::defaultMembersHashSize, RTPApplication& app = defaultApplication()) : QueueRTCPManager(ssrc,size,app) { } inline virtual ~AVPQueue() { } }; /** @}*/ // cqueue END_NAMESPACE #endif //CCXX_RTP_CQUEUE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/rtcppkt.h0000664000175000017500000003662711767643350013351 00000000000000// Copyright (C) 2001,2002,2004,2007 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef CCXX_RTP_RTCPPKT_H_ #define CCXX_RTP_RTCPPKT_H_ #include NAMESPACE_COMMONCPP /** * @file rtcppkt.h * * @short RTCP packets handling. **/ /** * @defgroup rtcppacket RTCP compound packets manipulation. * @{ **/ /** * @enum SDESItemType * @short SDES items that may be carried in a Source DEScription RTCP packet. * * CNAME is mandatory in each RTCP compound packet (except when * splitted for partial encryption), the others are optional and have * different sending frequencies, though with recommended default * values. **/ typedef enum { SDESItemTypeEND = 0, ///< END of SDES item list. SDESItemTypeCNAME, ///< Canonical end-point identifier. SDESItemTypeNAME, ///< Personal NAME of the user. SDESItemTypeEMAIL, ///< EMAIL address of the user. SDESItemTypePHONE, ///< Phone number of the user. SDESItemTypeLOC, ///< Location where the user is. SDESItemTypeTOOL, ///< Application or tool. SDESItemTypeNOTE, ///< Comment usually reporting state. SDESItemTypePRIV, ///< Private extension. SDESItemTypeH323CADDR, ///< H323 callable address. SDESItemTypeLast = SDESItemTypeH323CADDR ///< Last defined code. } SDESItemType; /** * @class RTCPCompoundHandler * @short low level structs and RTCP packet parsing and building * methods. * * Intended to be used, through inheritance, in RTCP management * classes, such as QueueRTCPManager. * * @author Federico Montesino Pouzols **/ class __EXPORT RTCPCompoundHandler { public: inline void setPathMTU(uint16 mtu) { pathMTU = mtu; } inline uint16 getPathMTU() { return pathMTU; } #ifdef CCXX_PACKED #pragma pack(1) #endif /** * @struct ReceiverInfo * * Struct for the data contained in a receiver info * block. Receiver info blocks can be found in SR (sender * report) or RR (receiver report) RTCP packets. **/ struct ReceiverInfo { uint8 fractionLost; ///< packet fraction lost. uint8 lostMSB; ///< cumulative lost MSB of 3 octets. uint16 lostLSW; ///< cumulative lost two LSB. uint32 highestSeqNum; ///< highest sequence number. uint32 jitter; ///< arrival jitter. uint32 lsr; ///< last sender report timestamp. uint32 dlsr; ///< delay since last sender report. }; /** * @struct RRBlock * * Struct for a receiver info block in a SR (sender report) or an RR * (receiver report) RTCP packet. **/ struct RRBlock { uint32 ssrc; ///< source identifier. ReceiverInfo rinfo; ///< info about the source. }; /** * @struct RecvReport * * @short raw structure of the source and every receiver report in an * SR or RR RTCP packet. **/ struct RecvReport { uint32 ssrc; ///< source identifier. RRBlock blocks[1]; ///< receiver report blocks. }; /** * @struct SenderInfo * * Struct for the sender info block in a SR (sender report) * RTCP packet. **/ struct SenderInfo { uint32 NTPMSW; ///< NTP timestamp higher octets. uint32 NTPLSW; ///< NTP timestamp lower octets. uint32 RTPTimestamp; ///< RTP timestamp. uint32 packetCount; ///< cumulative packet counter. uint32 octetCount; ///< cumulative octet counter. }; /** * @struct SendReport * * Struct for SR (sender report) RTCP packets. **/ struct SendReport { uint32 ssrc; ///< source identifier. SenderInfo sinfo; ///< actual sender info. RRBlock blocks[1]; ///< possibly several receiver info blocks. }; /** * @struct SDESItem * * Struct for an item description of a SDES packet. **/ struct SDESItem { uint8 type; ///< item identifier. uint8 len; ///< item len in octets. char data[1]; ///< item content. }; /** * @struct SDESChunk * * Struct for a chunk of items in a SDES RTCP packet. **/ struct SDESChunk { uint32 getSSRC() const { return (ntohl(ssrc)); } uint32 ssrc; ///< SSRC identifer from sender. SDESItem item; ///< SDES item from sender. }; /** * @struct BYEPacket * * @short Struct for BYE (leaving session) RTCP packets. **/ struct BYEPacket { uint32 ssrc; ///< ssrc identifier of source leaving. uint8 length; ///< [optional] length of reason. }; /** * @struct APPPacket * * @short Struct for APP (application specific) RTCP packets. **/ struct APPPacket { uint32 ssrc; ///< ssrc identifier of source. char name [4]; ///< Name of the APP packet, ///interpreted as a sequence of ///four characters. unsigned char data[1]; ///< application dependent data. }; /** * @struct FIRPacket * * @short Struct for Full Intra-frame Request (FIR) RTCP * packet. Specific for H.261 sessions (see RFC 2032). **/ struct FIRPacket { uint32 ssrc; ///< ssrc identifier of source. }; /** * @struct NACKPacket * * @short Struct for Negative ACKnowledgements (NACK) RTCP * packet. Specific for H.261 sessions (see RFC 2032). **/ struct NACKPacket { uint32 ssrc; ///< ssrc identifier of source. uint16 fsn; ///< First Sequence Number lost. uint16 blp; ///< Bitmask of following Lost Packets. }; /** * @struct RTCPFixedHeader * Fixed RTCP packet header. First 32-bit word in any RTCP * packet. */ struct RTCPFixedHeader { #if __BYTE_ORDER == __BIG_ENDIAN ///< For big endian boxes unsigned char version:2; ///< Version, currently 2. unsigned char padding:1; ///< Padding bit. unsigned char block_count:5; ///< Number of RR, SR, or SDES chunks. #else ///< For little endian boxes unsigned char block_count:5; ///< Number of RR, SR, or SDES chunks. unsigned char padding:1; ///< Padding bit. unsigned char version:2; ///< Version, currently 2. #endif uint8 type; ///< type of RTCP packet. uint16 length; ///< number of 32-bit words in the packet (*minus one*). }; /** * @struct RTCPPacket * * @short Struct representing general RTCP packet headers as they are * sent through the network. * * This struct consists of a fixed header, always at the * beginning of any RTCP packet, and a union for all the RTCP * packet types supported. **/ struct RTCPPacket { /** * @enum Type rtp.h cc++/rtp.h * * RTCP packet types. They are registered with IANA. */ typedef enum { tSR = 200, ///< Sender Report. tRR, ///< Receiver Report. tSDES, ///< Source DEScription. tBYE, ///< End of participation. tAPP, ///< APPlication specific. tFIR = 192, ///< Full Intra-frame request. tNACK = 193, ///< Negative ACK. tXR ///< Extended Report. } Type; /** * Get the packet length specified in its header, in * octets and in host order. **/ uint32 getLength() const { return ((ntohs(fh.length) + 1) << 2); } /** * Get the SSRC identifier specified in the packet * header, in host order. **/ uint32 getSSRC() const { return (ntohl(info.RR.ssrc)); } // SSRC is always the first // word after fh. RTCPFixedHeader fh; ///< Fixed RTCP header. // An RTCP packet may be of any of the types defined // above, including APP specific ones. union { SendReport SR; RecvReport RR; SDESChunk SDES; BYEPacket BYE; APPPacket APP; NACKPacket NACK; FIRPacket FIR; } info; ///< Union for SR, RR, SDES, BYE and APP }; #ifdef CCXX_PACKED #pragma pack() #endif protected: enum { defaultPathMTU = 1500 }; RTCPCompoundHandler(uint16 mtu = defaultPathMTU); ~RTCPCompoundHandler(); /** * Perform RTCP compound packet header validity check as * specified in draft-ietv-avt-rtp-new. This method follows * appendix A.2. Correct version, payload type, padding bit * and length of every RTCP packet in the compound are * verified. * * @param len length of the RTCP compound packet in * the reception buffer * @return whether the header is valid. */ bool checkCompoundRTCPHeader(size_t len); // buffer to hold RTCP compound packets being sent. Allocated // in construction time unsigned char* rtcpSendBuffer; // buffer to hold RTCP compound packets being // received. Allocated at construction time unsigned char* rtcpRecvBuffer; friend class RTCPSenderInfo; friend class RTCPReceiverInfo; private: // path MTU. RTCP packets should not be greater than this uint16 pathMTU; // masks for RTCP header validation; static const uint16 RTCP_VALID_MASK; static const uint16 RTCP_VALID_VALUE; }; /** * @class RTCPReceiverInfo * @short Report block information of SR/RR RTCP reports. * * @author Federico Montesino Pouzols **/ class __EXPORT RTCPReceiverInfo { public: RTCPReceiverInfo(void* ri) { memcpy(&receiverInfo,&ri, sizeof(RTCPCompoundHandler::ReceiverInfo));} RTCPReceiverInfo(RTCPCompoundHandler::ReceiverInfo& si) : receiverInfo( si ) { } ~RTCPReceiverInfo() { } /** * Get fraction of lost packets, as a number between 0 and * 255. **/ inline uint8 getFractionLost() const { return receiverInfo.fractionLost; } inline uint32 getCumulativePacketLost() const { return ( ((uint32)ntohs(receiverInfo.lostLSW)) + (((uint32)receiverInfo.lostMSB) << 16) ); } inline uint32 getExtendedSeqNum() const { return ntohl(receiverInfo.highestSeqNum); } /** * Get the statistical variance of the RTP data packets * interarrival time. * * @return Interarrival jitter, in timestamp units. **/ uint32 getJitter() const { return ntohl(receiverInfo.jitter); } /** * Get the integer part of the NTP timestamp of the last SR * RTCP packet received from the source this receiver report * refers to. **/ uint16 getLastSRNTPTimestampInt() const { return (uint16)((ntohl(receiverInfo.lsr) & 0xFFFF0000) >> 16); } /** * Get the fractional part of the NTP timestamp of the last SR * RTCP packet received from the source this receiver report * refers to. **/ uint16 getLastSRNTPTimestampFrac() const { return (uint16)(ntohl(receiverInfo.lsr) & 0xFFFF); } /** * Get the delay between the last SR packet received and the * transmission of this report. * * @return Delay, in units of 1/65536 seconds **/ uint32 getDelayLastSR() const { return ntohl(receiverInfo.dlsr); } private: RTCPCompoundHandler::ReceiverInfo receiverInfo; }; /** * @class RTCPSenderInfo * @short Sender block information of SR RTCP reports. * * @author Federico Montesino Pouzols **/ class __EXPORT RTCPSenderInfo { public: RTCPSenderInfo(void* si) { memcpy(&senderInfo,&si, sizeof(RTCPCompoundHandler::SenderInfo));} RTCPSenderInfo(RTCPCompoundHandler::SenderInfo& si) : senderInfo( si ) { } ~RTCPSenderInfo() { } /** * Get integer part of the NTP timestamp of this packet. * @see NTP2Timeval **/ uint32 getNTPTimestampInt() const { return ntohl(senderInfo.NTPMSW); } /** * Get fractional part of the NTP timestamp of this packet. * @see NTP2Timeval **/ uint32 getNTPTimestampFrac() const { return ntohl(senderInfo.NTPLSW); } inline uint32 getRTPTimestamp() const { return ntohl(senderInfo.RTPTimestamp); } /** * Get count of sent data packets. **/ inline uint32 getPacketCount() const { return ntohl(senderInfo.packetCount); } inline uint32 getOctetCount() const { return ntohl(senderInfo.octetCount); } private: RTCPCompoundHandler::SenderInfo senderInfo; }; /** * Convert a NTP timestamp, expressed as two 32-bit long words, into a * timeval value. * * @param msw Integer part of NTP timestamp. * @param lsw Fractional part of NTP timestamp. * @return timeval value corresponding to the given NTP timestamp. **/ timeval NTP2Timeval(uint32 msw, uint32 lsw); /** * Convert a time interval, expressed as a timeval, into a 32-bit time * interval expressed in units of 1/65536 seconds. * * @param t Timeval interval. * @return 32-bit value corresponding to the given timeval interval. **/ uint32 timevalIntervalTo65536(timeval& t); /** @}*/ // rtcppacket END_NAMESPACE #endif // ndef CCXX_RTP_RTCPPKT_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/ioqueue.h0000664000175000017500000002602111767643350013321 00000000000000// Copyright (C) 2001,2002,2004 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file ioqueue.h * * @short Generic RTP input/output queues. **/ #ifndef CCXX_RTP_IOQUEUE_H_ #define CCXX_RTP_IOQUEUE_H_ #include #include NAMESPACE_COMMONCPP /** * @defgroup ioqueue Generic RTP input/output queues. * @{ **/ /** * @class RTPDataQueue * * A packet queue handler for building different kinds of RTP protocol * systems. The queue manages both incoming and outgoing RTP packets, * as well as synchronization and transmission/reception timers. By * making the queue handler a seperate base class it becomes possible * to define RTP classes for RTP profiles and sessions of different * types. * * Outgoing packets are sent via the OutgoingDataQueue::putData method. * * Incoming packets can be retrieved via IncomingDataQueue::getData * method. * * @author David Sugar * @short RTP data queue handler. */ class __EXPORT RTPDataQueue : public IncomingDataQueue, public OutgoingDataQueue { public: /** * @enum Tos rtp.h cc++/rtp.h * @short Type of network service the application uses. * * If the application uses enhanced network service, for * instance Integrated Services or Differentiated Services, it * has not to ensure fair competition with TCP, * provided that the requested service is actually being * delivered. Whenever the application uses best-effort * service or the requested enhanced service is not actually * being delivered, it has to ensure fair competition * with TCP. By default, best-effot is assumed. * * @note Although not required, RTP packets are always sent on * top of UDP segments. No other underlying transport protocol * is supported at present. * * @todo implement fair competition with tcp **/ typedef enum { tosBestEffort, ///< Best-effort network service tosEnhanced ///< Enhanced network service } Tos; /** * Specify the kind of service the application expects to use. * * @param tos type of service the application expects to use * * @note If enhanced service is specified but packet loss is * high (the requested service does not appear to actually be * delivered) ccRTP defaults to best-effort suitable * behaviour: guarantee fair competition with TCP. * * @todo Implement fair competition with tcp **/ inline void setTypeOfService(Tos tos) { typeOfService = tos; } /** * Enable packet queue processing in the stack. This method * will not any thread of execution. **/ inline void enableStack() { dataServiceActive = true; } /** * Disable packet queue processing in the stack. **/ inline void disableStack() { dataServiceActive = false; } /** * Get active connection state flag. * * @return true if connection "active". */ inline bool isActive() const { return dataServiceActive; } /** * Get the timestamp that should be given for a packet whose * payload sampling instant corresponds to the current system * time. * * The timestamp applications should provide for each packet * represents the sampling instant of its payload and should * not be a reading of the system clock. Nevertheless, the * internal operation of the RTP stack relies on the accuracy * of the provided timestamp, since several computations * assume that there is a certain degree of correspondence * between the timestamp and the system clock. * * It is recommended that applications use this method in * order to periodically adjust the RTP timestamp. * * In particular, it is advisable getting the timestamp * corresponding to the first sampling instant or any instant * after a period of inactivity through a call to this method. * * Applications should use the nominal sampling or * any other value provided by the coder in order to compute * the next timestamps with minimum computational requirement. * * For instance, an application using an RTP profile that * specifies a fixed sampling rate of 8 Khz with eight bits * per sample, continuously transmitting audio blocks 80 * octets long, would transmit 100 packets every * second. Every packet would carry a timestamp 80 units * greater than the previous one. So, the first timestamp * would be obtained from this method, whereas the following * ones would be computed adding 80 every time. Also the * timestamp should be increased for every block whether * it is put in the queue or dropped. * * The aforementioned increment can be obtained from the * RTPDataQueue::getTimestampIncrement() method rather than * computing it by hand in the application. * * @note Frame based applications must follow a specific * timestamping method, probably specified in a profile. * * @note You should take into account that by default ccRTP * assumes that the application begins sampling at the queue * creation time. Moreover, the first sampling instant is * assigned a "user visible" timestamp of 0, although the RTP * stack will then add internally a ramdom offset unknown to * the application. That is to say, the application may count * samples from 0 in order to get the timestamp for the next * packet, provided that the first sampling instant is the * same as the queue creation time. Nevertheless, this * simpler way of starting will not be as accurate as it would * be if the application got at least the first timestamp * through getCurrentTimestamp. We provide this option * since ccRTP interface is evolving, but we admit that it is * ugly, we could remove this option or even replace uint32 * timestamps with a restrictively regulated object; * suggestions are gladly welcomed **/ uint32 getCurrentTimestamp() const; /** * Specify the bandwidth of the current session. * * @param bw bandwidth of the current session, in bits/s. * * @see AVPQueue::setControlBandwidth() */ void setSessionBandwidth(uint32 bw) { sessionBw = bw; } uint32 getDefaultSessionBandwidth() const { return defaultSessionBw; } uint32 getSessionBandwidth() const { return sessionBw; } /** * Set the packet timeclock for synchronizing timestamps. **/ inline void setTimeclock() { timeclock.setTimer(); } /** * Get the packet timeclock for synchronizing timestamps. * * @return runtime in milliseconds since last set. */ inline timeout_t getTimeclock() const { return timeclock.getElapsed(); } protected: /** * Constructor. This will generate a random application SSRC * identifier. * * @param size an estimation of the number of participants in * the session **/ RTPDataQueue(uint32 size = defaultMembersHashSize); /** * Using this constructor you can start a session with the * given ssrc, instead of the usual randomly generated * one. This is necessary when you need to initiate several * sessions having the same SSRC identifier, for instance, to * implement layered encoding, in which case each layer is * managed through a different session but all sessions share * the same SSRC identifier. * * @warning This doesn't seem to be a good solution * * @param ssrc Synchronization SouRCe identifier for this session * @param size an estimation of the number of participants in the * session */ RTPDataQueue(uint32* ssrc, uint32 size = defaultMembersHashSize); /** * The queue destructor flushes the queue and stops all * services. */ inline virtual ~RTPDataQueue() { endQueue(); } /** * A plugin point for timer tick driven events. */ inline virtual void timerTick() { return; } void renewLocalSSRC() {IncomingDataQueue::renewLocalSSRC();} private: RTPDataQueue(const RTPDataQueue &o); RTPDataQueue& operator=(const RTPDataQueue &o); /** * Global queue initialization. * * @param localSSRC local 32-bit SSRC identifier **/ void initQueue(); protected: /** * This method ends the queue. */ void endQueue(); /** * This function is used to check for and schedule against * arriving packets based on the derived connection type. * * @return true if packet waiting for processing. * @param number of microseconds to wait. */ virtual bool isPendingData(microtimeout_t timeout) = 0; private: // true if connection "active" volatile bool dataServiceActive; Tos typeOfService; TimerPort timeclock; /* RTP session bandwidth control */ static const uint32 defaultSessionBw; uint32 sessionBw; }; /** @}*/ // ioqueue END_NAMESPACE #endif //CCXX_RTP_IOQUEUE_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/CryptoContextCtrl.h0000664000175000017500000002536311767643350015327 00000000000000/* Copyright (C) 2004-2006 the Minisip Team Copyright (C) 2011 Werner Dittmann for the SRTCP support This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef CRYPTOCONTEXTCTRL_H #define CRYPTOCONTEXTCTRL_H #include #define REPLAY_WINDOW_SIZE 64 #ifdef SRTP_SUPPORT #include #endif NAMESPACE_COMMONCPP /** * The implementation for a SRTCP cryptographic context. * * This class holds data and provides functions that implement a * cryptographic context for SRTP, Refer to RFC 3711, chapter 3.2 for some * more detailed information about the SRTP cryptographic context. * * Each SRTP cryptographic context maintains a RTP source identified by * its SSRC. Thus you can independently protect each source inside a RTP * session. * * Key management mechanisms negotiate the parameters for the SRTP * cryptographic context, such as master key, key length, authentication * length and so on. The key management mechanisms are not part of * SRTP. Refer to MIKEY (RFC 3880) or to Phil Zimmermann's ZRTP protocol * (draft-zimmermann-avt-zrtp-01). After key management negotiated the * data the application can setup the SRTCP cryptographic context and * enable SRTCP processing. * * * @author Israel Abad * @author Erik Eliasson * @author Johan Bilien * @author Joachim Orrblad * @author Werner Dittmann */ class __EXPORT CryptoContextCtrl { public: /** * Constructor for empty SRTP cryptographic context. * * This constructor creates an empty SRTP cryptographic context were * all algorithms are set to the null algorithm, that is no SRTP processing * is performed. * * @param ssrc The RTP SSRC that this SRTP cryptographic context protects. */ CryptoContextCtrl( uint32 ssrc ); /** * Constructor for an active SRTP cryptographic context. * * This constructor creates an active SRTP cryptographic context were * algorithms are enabled, keys are computed and so on. This SRTP * cryptographic context can protect a RTP SSRC stream. * * @param ssrc * The RTP SSRC that this SRTP cryptographic context protects. * * @param ealg * The encryption algorithm to use. Possible values are * SrtpEncryptionNull, SrtpEncryptionAESCM, SrtpEncryptionAESF8 * . See chapter 4.1.1 for AESCM (Counter mode) and 4.1.2 * for AES F8 mode. * * @param aalg * The authentication algorithm to use. Possible values are * SrtpEncryptionNull, SrtpAuthenticationSha1Hmac. The only * active algorithm here is SHA1 HMAC, a SHA1 based hashed message * authentication code as defined in RFC 2104. * * @param masterKey * Pointer to the master key for this SRTP cryptographic context. * Must point to masterKeyLength bytes. Refer to chapter * 3.2.1 of the RFC about the role of the master key. * * @param masterKeyLength * The length in bytes of the master key in bytes. The length must * match the selected encryption algorithm. Because SRTP uses AES * based encryption only, then master key length may be 16 or 32 * bytes (128 or 256 bit master key) * * @param masterSalt * SRTP uses the master salt to computer the initialization vector * that in turn is input to compute the session key, session * authentication key and the session salt. * * @param masterSaltLength * The length in bytes of the master salt data in bytes. SRTP uses * AES as encryption algorithm. AES encrypts 16 byte blocks * (independent of the key length). According to RFC3711 the standard * value for the master salt length should be 112 bit (14 bytes). * * @param ekeyl * The length in bytes of the session encryption key that SRTP shall * compute and use. Usually the same length as for the master key * length. But you may use a different length as well. Be carefull * that the key management mechanisms supports different key lengths. * * @param akeyl * The length in bytes of the session authentication key. SRTP * computes this key and uses it as input to the authentication * algorithm. * The standard value is 160 bits (20 bytes). * * @param skeyl * The length in bytes of the session salt. SRTP computes this salt * key and uses it as input during encryption. The length usually * is the same as the master salt length. * * @param tagLength * The length is bytes of the authentication tag that SRTP appends * to the RTP packet. Refer to chapter 4.2. in the RFC 3711. */ CryptoContextCtrl( uint32 ssrc, const int32 ealg, const int32 aalg, uint8* masterKey, int32 masterKeyLength, uint8* masterSalt, int32 masterSaltLength, int32 ekeyl, int32 akeyl, int32 skeyl, int32 tagLength ); /** * Destructor. * * Cleans the SRTP cryptographic context. */ ~CryptoContextCtrl(); /** * Perform SRTP encryption. * * This method encrypts and decrypts SRTP payload data. Plain * data gets encrypted, encrypted data get decrypted. * * @param rtp * The RTP packet that contains the data to encrypt. * * @param index * The 48 bit SRTP packet index. See the guessIndex * method. * * @param ssrc * The RTP SSRC data in host order. */ void srtcpEncrypt( uint8* rtp, size_t len, uint64 index, uint32 ssrc ); /** * Compute the authentication tag. * * Compute the authentication tag according the the paramters in the * SRTP Cryptograhic context. * * @param rtp * The RTP packet that contains the data to authenticate. * * @param roc * The 32 bit SRTP roll-over-counter. * * @param tag * Points to a buffer that hold the computed tag. This buffer must * be able to hold tagLength bytes. */ void srtcpAuthenticate(uint8* rtp, size_t len, uint32 roc, uint8* tag ); /** * Perform key derivation according to SRTP specification * * This method computes the session key, session authentication key and the * session salt key. This method must be called at least once after the * SRTP Cryptograhic context was set up. * * @param index * The 48 bit SRTP packet index. See the guessIndex * method. */ void deriveSrtcpKeys(); /** * Check for packet replay. * * The method check if a received packet is either to old or was already * received. * * The method supports a 64 packet history relative the the given * sequence number. * * @param newSeqNumber * The sequence number of the received RTP packet in host order. * * @return true if no replay, false if packet * is too old ar was already received. */ bool checkReplay(uint32 newSeqNumber); /** * Update the SRTP packet index. * * Call this method after all checks were successful. See chapter * 3.3.1 in the RFC when to update the ROC and ROC processing. * * @param newSeqNumber * The sequence number of the received RTCP packet in host order. */ void update( uint32 newSeqNumber ); /** * Get the length of the SRTP authentication tag in bytes. * * @return the length of the authentication tag. */ inline int32 getTagLength() const {return tagLength;} /** * Get the length of the MKI in bytes. * * @return the length of the MKI. */ inline int32 getMkiLength() const {return mkiLength;} /** * Get the SSRC of this SRTP Cryptograhic context. * * @return the SSRC. */ inline uint32 getSsrc() const {return ssrcCtx;} /** * Derive a new Crypto Context for use with a new SSRC * * This method returns a new Crypto Context initialized with the data * of this crypto context. Replacing the SSRC, Roll-over-Counter, and * the key derivation rate the application cab use this Crypto Context * to encrypt / decrypt a new stream (Synchronization source) inside * one RTP session. * * Before the application can use this crypto context it must call * the deriveSrtpKeys method. * * @param ssrc * The SSRC for this context * @param roc * The Roll-Over-Counter for this context * @param keyDerivRate * The key derivation rate for this context * @return * a new CryptoContext with all relevant data set. */ CryptoContextCtrl* newCryptoContextForSSRC(uint32 ssrc); private: uint32 ssrcCtx; bool using_mki; uint32 mkiLength; uint8* mki; uint32 s_l; /* bitmask for replay check */ uint64 replay_window; uint8* master_key; uint32 master_key_length; uint8* master_salt; uint32 master_salt_length; /* Session Encryption, Authentication keys, Salt */ int32 n_e; uint8* k_e; int32 n_a; uint8* k_a; int32 n_s; uint8* k_s; int32 ealg; int32 aalg; int32 ekeyl; int32 akeyl; int32 skeyl; int32 tagLength; void* macCtx; #ifdef SRTP_SUPPORT SrtpSymCrypto* cipher; SrtpSymCrypto* f8Cipher; #else void* cipher; void* f8Cipher; #endif }; END_NAMESPACE #endif /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/formats.h0000664000175000017500000002113211767643350013316 00000000000000// Copyright (C) 2002 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef CCXX_RTP_FORMATS_H_ #define CCXX_RTP_FORMATS_H_ NAMESPACE_COMMONCPP /** * @file formats.h * * @short Payload types and formats. **/ /** * @defgroup payload Payload types and formats. * @{ **/ /** * @typedef PayloadType * * @short RTP payload type numeric identifier. * * At the RTP level a payload format is identified with a 7 bit * number. This number is binded to a payload format through non-RTP * means (SIP, SAP, application specific rules, etc.) **/ typedef uint8 PayloadType; /// Predefined value for invalid or uninitialized payload type variables. const PayloadType ptINVALID = 128; /** * @enum StaticPayloadType * * @short RTP static payload types (default bindings) defined in the * AVP profile. **/ typedef enum { // Types for audio formats: sptPCMU = 0, ///< ITU-T G.711. mu-law audio 8 Khz (RFC 1890) firstStaticPayloadType = sptPCMU, // 1016 static payload type is now deprecated. Type 1 is reserved. // spt1016, ///< CELP audio (FED-STD 1016) (RFC 1890) sptG726_32 = 2, ///< ITU-T G.726. ADPCM audio (RFC 1890) sptGSM, ///< GSM audio (RFC 1890) sptG723, ///< ITU-T G.723. MP-MLQ ACELP audio (RFC 1890) sptDVI4_8000, ///< Modified IMA ADPCM audio 8Khz (RFC 1890) sptDVI4_16000, ///< Modified IMA ADPCM audio 16Khz (RFC 1890) sptLPC, ///< LPC audio (RFC 1890) sptPCMA, ///< ITU-T G.711 A-law audio 8 Khz (RFC 1890) sptG722, ///< Audio (RFCs 1890, 3047) sptL16_DUAL, ///< Linear uncompressed dual audio (RFC 1890) sptL16_MONO, ///< Linear uncompressed mono audio (RFC 1890) sptQCELP, ///< Audio at 8000 hz. // Type 13 is reserved. sptMPA = 14, ///< MPEG Audio elem. stream (RFCs 1890, 2250) sptG728, ///< ITU-T G.728. LD-CELP audio sptDVI4_11025, ///< DVI audio at 11025 hz (by Joseph Di Pol) sptDVI4_22050, ///< DVI audio at 22050 hz (by Joseph Di Pol) sptG729, ///< ITU-T G.729. CS-ACELP audio // Type 19 is reserved. Types 20 - 23 are unassigned. lastStaticAudioPayloadType = sptG729, // Types for video formats: // Type 24 is unassigned. sptCELB = 25, ///< Sun's propietary video (RFCs 1890, 2029) sptJPEG, ///< JPEG (ISO 10918) video (RFCs 1890, 2435) // Type 27 is unassigned. sptNV = 28, ///< Ron Frederick's nv audio (RFC 1890) // Types 29 and 30 are unassigned. sptH261 = 31, ///< ITU-T H.261 video (RFCs 1890, 2032) sptMPV, ///< MPEG Video elem. stream (RFCs 1890, 2250) sptMP2T, ///< MPEG 2 Transport stream (RFCs 1890, 2250) sptH263, ///< ITU-T H.263 video (RFCs 2190, 2429) // Types 35 - 71 are unassigned. // Types 72 - 76 are reserved. // Types 96 - 127 are dynamic. lastStaticPayloadType = sptH263 } StaticPayloadType; /** * @class PayloadFormat * @short Base payload format class. * * The properties of a payload format that, as an RTP stack, ccRTP * takes into account are the payload type (numeric identifier) and * the RTP clock rate. * * This is a base class for both StaticPayloadFormat and * DynamicPayloadFormat. * * @author Federico Montesino Pouzols **/ class __EXPORT PayloadFormat { public: /** * Get payload type numeric identifier carried in RTP packets. * * @return payload type numeric identifier. **/ inline PayloadType getPayloadType() const { return payloadType; } /** * Get RTP clock rate for this payload format. Note this * method provides the RTP clock rate (for the timestamp in * RTP data packets headers), which is not necessarily the * same as the codec clock rate. * * @return RTP clock rate in Hz. **/ inline uint32 getRTPClockRate() const { return RTPClockRate; } protected: /** * PayloadFormat must not be used but as base class. **/ PayloadFormat() { } /** * PayloadFormat must not be used but as base class. **/ inline virtual ~PayloadFormat() { } /** * Set payload type numeric identifier carried in RTP packets. * * @param pt payload type number. **/ inline void setPayloadType(PayloadType pt) { payloadType = pt; } /** * Set RTP clock rate. * * @param rate RTP clock rate in Hz. **/ inline void setRTPClockRate(uint32 rate) { RTPClockRate = rate; } // default clock rate static const uint32 defaultRTPClockRate; private: PayloadType payloadType; ///< Numeric identifier. uint32 RTPClockRate; ///< Rate in Hz. }; /** * @class StaticPayloadFormat * @short Static payload format objects. * * Class of payload formats objects for payload types statically * assigned. Because these payloads have an RTP clock rate assigned, * it is not specified to the constructor. A call to * StaticPayloadFormat(sptPCMU) will set the proper clock rate and any * other parameters for that static payload type. * * @author Federico Montesino Pouzols **/ class __EXPORT StaticPayloadFormat : public PayloadFormat { public: /** * Constructor. Builds a payload format from a static payload * binding identifier, assigning the numeric identifier and * RTP clock rate statically bounded. * * @param type Numeric identifier in the range 0-96. * @note some identifiers are reserved. **/ StaticPayloadFormat(StaticPayloadType type); private: /** * RTP clock rate for static payload types. There is no need * for a table like this for video types, since they all have * 90000 Khz rate. **/ static uint32 staticAudioTypesRates[lastStaticAudioPayloadType - firstStaticPayloadType + 1]; }; /** * @class DynamicPayloadFormat * @short Dynamic payload format objects. * * Class of payload formats objects for payload types dynamically * negotiated. Because these payloads do not have a fix RTP clock rate * assigned, it must be specified to the constructor. This class will * be used by applications that support dynamic payload negotiation. * * @author Federico Montesino Pouzols **/ class __EXPORT DynamicPayloadFormat : public PayloadFormat { public: /** * Constructor. Builds a dynamic payload format from payload * numeric identifier and the corresponding RTP clock rate. * * @param type payload type numeric identifier. * @param rate RTP clock rate. **/ DynamicPayloadFormat(PayloadType type, uint32 rate); }; /** @}*/ // payload END_NAMESPACE #endif // ndef CCXX_RTP_FORMATS_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/rtp.h0000664000175000017500000011211611767643350012453 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file rtp.h * * @short Generic and audio/video profile specific RTP interface of * ccRTP. * * The classes and types in this header provide general RTP * functionality (following RFC 3550) as well as audio/video RTP * profile specific functionality (following RFC 3551). **/ #ifndef CCXX_RTP_RTP_H_ #define CCXX_RTP_RTP_H_ #include #include NAMESPACE_COMMONCPP /** * @defgroup sessions RTP sessions. * @{ **/ /** * @class RTPSessionBase * * Generic RTP protocol stack for exchange of realtime data. This * stack uses the concept of packet send and receive queues to schedule * and buffer outgoing packets and to arrange or reorder incoming packets * as they arrive. * * This is a template class that allows customization of two aspects: * the underlying network and the control protocol. The RTPDataChannel * and RTCPChannel template parameters specify the socket types to * use. The ServiceQueue template parameter specify which packet queue * is used. * * RTPSessionBase objects do not have any threading policy, thus * allowing to customize this aspect in derived classes (see * SingleThreadRTPSession or RTPSessionPoolBase). * * @author David Sugar * @short RTP protocol stack based on Common C++. **/ template class __EXPORT TRTPSessionBase : public ServiceQueue { public: /** * Builds a session waiting for packets in a host address. * * @param ia Network address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * */ TRTPSessionBase(const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app) : ServiceQueue(membersSize,app) { build(ia,dataPort,controlPort); } /** * Builds a session with the specified ssrc identifier for the * local source. * * @param ssrc SSRC identifier for the local source. * @param ia Network address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. **/ TRTPSessionBase(uint32 ssrc, const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app): ServiceQueue(ssrc,membersSize,app) { build(ia,dataPort,controlPort); } /** * Builds a session waiting for packets in a multicast address. * TODO: ssrc constructor for multicast! * * @param ia Multicast address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * @param iface Index (from 0 to n) of network interface to join to * multicast group. **/ TRTPSessionBase(const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app, uint32 iface) : ServiceQueue(membersSize,app) { build(ia,dataPort,controlPort,iface); } /** * Builds a session waiting for packets in a multicast * address, with the specified ssrc identifier for the local * source. * * @param ssrc SSRC identifier for the local source. * @param ia Multicast address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * @param iface Index (from 0 to n) of network interface to join to * multicast group. **/ TRTPSessionBase(uint32 ssrc, const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app, uint32 iface) : ServiceQueue(ssrc,membersSize,app) { build(ia,dataPort,controlPort,iface); } virtual size_t dispatchBYE(const std::string &str) { return QueueRTCPManager::dispatchBYE(str); } /** * Set the value of the TTL field in the sent packets. * * @param ttl Time To Live * @return error code from the socket operation */ inline Socket::Error setMcastTTL(uint8 ttl) { Socket::Error error = dso->setMulticast(true); if ( error ) return error; error = dso->setTimeToLive(ttl); if ( error ) return error; error = cso->setMulticast(true); if ( error ) return error; return cso->setTimeToLive(ttl); } inline virtual ~TRTPSessionBase() { endSocket(); } inline RTPDataChannel *getDSO(void) {return dso;} protected: /** * @param timeout maximum timeout to wait, in microseconds */ inline bool isPendingData(microtimeout_t timeout) { return dso->isPendingRecv(timeout); } InetHostAddress getDataSender(tpport_t *port = NULL) const { return dso->getSender(port); } inline size_t getNextDataPacketSize() const { return dso->getNextPacketSize(); } /** * Receive data from the data channel/socket. * * @param buffer Memory region to read to. * @param len Maximum number of octets to get. * @param na Source network address. * @param tp Source transport port. * @return Number of octets actually read. */ inline size_t recvData(unsigned char* buffer, size_t len, InetHostAddress& na, tpport_t& tp) { na = dso->getSender(tp); return dso->recv(buffer, len); } inline void setDataPeer(const InetAddress &host, tpport_t port) { dso->setPeer(host,port); } /** * @param buffer memory region to write from * @param len number of octets to write */ inline size_t sendData(const unsigned char* const buffer, size_t len) { return dso->send(buffer, len); } inline SOCKET getDataRecvSocket() const { return dso->getRecvSocket(); } /** * @param timeout maximum timeout to wait, in microseconds * @return whether there are packets waiting to be picked */ inline bool isPendingControl(microtimeout_t timeout) { return cso->isPendingRecv(timeout); } InetHostAddress getControlSender(tpport_t *port = NULL) const { return cso->getSender(port); } /** * Receive data from the control channel/socket. * * @param buffer Buffer where to get data. * @param len Maximum number of octets to get. * @param na Source network address. * @param tp Source transport port. * @return Number of octets actually read. **/ inline size_t recvControl(unsigned char *buffer, size_t len, InetHostAddress& na, tpport_t& tp) { na = cso->getSender(tp); return cso->recv(buffer,len); } inline void setControlPeer(const InetAddress &host, tpport_t port) { cso->setPeer(host,port); } /** * @return number of octets actually written * @param buffer * @param len */ inline size_t sendControl(const unsigned char* const buffer, size_t len) { return cso->send(buffer,len); } inline SOCKET getControlRecvSocket() const { return cso->getRecvSocket(); } /** * Join a multicast group. * * @param ia address of the multicast group * @return error code from the socket operation */ inline Socket::Error joinGroup(const InetMcastAddress& ia, uint32 iface) { Socket::Error error = dso->setMulticast(true); if ( error ) return error; error = dso->join(ia,iface); if ( error ) return error; error = cso->setMulticast(true); if ( error ) { dso->drop(ia); return error; } error = cso->join(ia,iface); if ( error ) { dso->drop(ia); return error; } return Socket::errSuccess; } /** * Leave a multicast group. * * @param ia address of the multicast group * @return error code from the socket operation */ inline Socket::Error leaveGroup(const InetMcastAddress& ia) { Socket::Error error = dso->setMulticast(false); if ( error ) return error; error = dso->leaveGroup(ia); if ( error ) return error; error = cso->setMulticast(false); if ( error ) return error; return cso->leaveGroup(ia); } inline void endSocket() { if (dso) { dso->endSocket(); delete dso; } dso = NULL; if (cso) { cso->endSocket(); delete cso; } cso = NULL; } private: void build(const InetHostAddress& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) { dataBasePort = even_port(dataPort); controlBasePort = dataBasePort + 1; } else { dataBasePort = dataPort; controlBasePort = controlPort; } dso = new RTPDataChannel(ia,dataBasePort); cso = new RTCPChannel(ia,controlBasePort); } void build(const InetMcastAddress& ia, tpport_t dataPort, tpport_t controlPort, uint32 iface) { if ( 0 == controlPort ) { dataBasePort = even_port(dataPort); controlBasePort = dataBasePort + 1; } else { dataBasePort = dataPort; controlBasePort = controlPort; } dso = new RTPDataChannel(InetHostAddress("0.0.0.0"),dataBasePort); cso = new RTCPChannel(InetHostAddress("0.0.0.0"),controlBasePort); joinGroup(ia,iface); } /** * Ensure a port number is odd. If it is an even number, return * the next lower (odd) port number. * * @param port number to filter * @return filtered (odd) port number */ inline tpport_t odd_port(tpport_t port) { return (port & 0x01)? (port) : (port - 1); } /** * Ensure a port number is even. If it is an odd number, return * the next lower (even) port number. * * @param port number to filter * @return filtered (even) port number */ inline tpport_t even_port(tpport_t port) { return (port & 0x01)? (port - 1) : (port); } tpport_t dataBasePort; tpport_t controlBasePort; protected: RTPDataChannel* dso; RTCPChannel* cso; friend class RTPSessionBaseHandler; }; /** * @class SingleThreadRTPSession * * This template class adds the threading aspect to the RTPSessionBase * template in one of the many possible ways. It inherits from a * single execution thread that schedules sending of outgoing packets * and receipt of incoming packets. * * @author Federico Montesino Pouzols **/ template class __EXPORT SingleThreadRTPSession : protected Thread, public TRTPSessionBase { public: SingleThreadRTPSession(const InetHostAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication() #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBase (ia,dataPort,controlPort,memberssize,app) { } #endif SingleThreadRTPSession(uint32 ssrc, const InetHostAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication() #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBase (ssrc, ia,dataPort,controlPort,memberssize,app) { } #endif SingleThreadRTPSession(const InetMcastAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication(), uint32 iface = 0 #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBase (ia,dataPort,controlPort,memberssize,app,iface) { } #endif SingleThreadRTPSession(uint32 ssrc, const InetMcastAddress& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication(), uint32 iface = 0 #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBase (ssrc,ia,dataPort,controlPort,memberssize,app,iface) { } #endif ~SingleThreadRTPSession() { if (isRunning()) { disableStack(); Thread::join(); } } #if defined(_MSC_VER) && _MSC_VER >= 1300 virtual void startRunning(); #else /** * Activate stack and start service thread. **/ void startRunning() { enableStack(); Thread::start(); } #endif protected: inline void disableStack(void) {TRTPSessionBase::disableStack();} inline void enableStack(void) {TRTPSessionBase::enableStack();} inline microtimeout_t getSchedulingTimeout(void) {return TRTPSessionBase::getSchedulingTimeout();} inline void controlReceptionService(void) {TRTPSessionBase::controlReceptionService();} inline void controlTransmissionService(void) {TRTPSessionBase::controlTransmissionService();} inline timeval getRTCPCheckInterval(void) {return TRTPSessionBase::getRTCPCheckInterval();} inline size_t dispatchDataPacket(void) {return TRTPSessionBase::dispatchDataPacket();} #if defined(_MSC_VER) && _MSC_VER >= 1300 virtual void run(void); virtual void timerTick(void); virtual bool isPendingData(microtimeout_t timeout); #else virtual void timerTick(void) {return;} virtual bool isPendingData(microtimeout_t timeout) {return TRTPSessionBase::isPendingData(timeout);} /** * Single runnable method for this RTP stacks, schedules * outgoing and incoming RTP data and RTCP packets. **/ virtual void run(void) { microtimeout_t timeout = 0; while ( ServiceQueue::isActive() ) { if ( timeout < 1000 ){ // !(timeout/1000) timeout = getSchedulingTimeout(); } controlReceptionService(); controlTransmissionService(); microtimeout_t maxWait = timeval2microtimeout(getRTCPCheckInterval()); // make sure the scheduling timeout is // <= the check interval for RTCP // packets timeout = (timeout > maxWait)? maxWait : timeout; if ( timeout < 1000 ) { // !(timeout/1000) dispatchDataPacket(); timerTick(); } else { if ( isPendingData(timeout/1000) ) { if (ServiceQueue::isActive()) { // take in only if active takeInDataPacket(); } } timeout = 0; } } dispatchBYE("GNU ccRTP stack finishing."); // Thread::exit(); } #endif inline size_t takeInDataPacket(void) {return TRTPSessionBase::takeInDataPacket();} inline size_t dispatchBYE(const std::string &str) {return TRTPSessionBase::dispatchBYE(str);} }; /** * @typedef RTPSession * * Uses two pairs of sockets for RTP data and RTCP * transmission/reception. * * @short UDP/IPv4 RTP Session scheduled by one thread of execution. **/ typedef SingleThreadRTPSession<> RTPSession; /** * @typedef RTPSocket * * Alias for RTPSession. **/ typedef RTPSession RTPSocket; /** * @typedef SymmetricRTPSession * * Uses one pair of sockets, (1) for RTP data and (2) for RTCP * transmission/reception. * * @short Symmetric UDP/IPv4 RTP session scheduled by one thread of execution. **/ typedef SingleThreadRTPSession SymmetricRTPSession; #ifdef CCXX_IPV6 /** * @class RTPSessionBaseIPV6 * * Generic RTP protocol stack for exchange of realtime data. This * stack uses the concept of packet send and receive queues to schedule * and buffer outgoing packets and to arrange or reorder incoming packets * as they arrive. * * This is a template class that allows customization of two aspects: * the underlying network and the control protocol. The RTPDataChannel * and RTCPChannel template parameters specify the socket types to * use. The ServiceQueue template parameter specify which packet queue * is used. * * RTPSessionBase objects do not have any threading policy, thus * allowing to customize this aspect in derived classes (see * SingleThreadRTPSession or RTPSessionPoolBase). * * @author David Sugar * @short RTP protocol stack based on Common C++. **/ template class __EXPORT TRTPSessionBaseIPV6 : public ServiceQueue { public: /** * Builds a session waiting for packets in a host address. * * @param ia Network address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * */ TRTPSessionBaseIPV6(const IPV6Host& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app) : ServiceQueue(membersSize,app) { build(ia,dataPort,controlPort); } /** * Builds a session with the specified ssrc identifier for the * local source. * * @param ssrc SSRC identifier for the local source. * @param ia Network address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. **/ TRTPSessionBaseIPV6(uint32 ssrc, const IPV6Host& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app): ServiceQueue(ssrc,membersSize,app) { build(ia,dataPort,controlPort); } /** * Builds a session waiting for packets in a multicast address. * TODO: ssrc constructor for multicast! * * @param ia Multicast address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * @param iface Index (from 0 to n) of network interface to join to * multicast group. **/ TRTPSessionBaseIPV6(const IPV6Multicast& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app, uint32 iface) : ServiceQueue(membersSize,app) { build(ia,dataPort,controlPort,iface); } /** * Builds a session waiting for packets in a multicast * address, with the specified ssrc identifier for the local * source. * * @param ssrc SSRC identifier for the local source. * @param ia Multicast address this socket is to be bound. * @param dataPort Transport port the data socket is to be bound. * @param controlPort Transport port the control socket is to be bound. * @param membersSize Initial size of the membership table. * @param app Application this session is associated to. * @param iface Index (from 0 to n) of network interface to join to * multicast group. **/ TRTPSessionBaseIPV6(uint32 ssrc, const IPV6Multicast& ia, tpport_t dataPort, tpport_t controlPort, uint32 membersSize, RTPApplication& app, uint32 iface) : ServiceQueue(ssrc,membersSize,app) { build(ia,dataPort,controlPort,iface); } virtual size_t dispatchBYE(const std::string &str) { return QueueRTCPManager::dispatchBYE(str); } inline virtual ~TRTPSessionBaseIPV6() { endSocket(); } inline RTPDataChannel *getDSO(void) {return dso;} protected: /** * @param timeout maximum timeout to wait, in microseconds */ inline bool isPendingData(microtimeout_t timeout) { return dso->isPendingRecv(timeout); } inline IPV6Host getDataSender(tpport_t *port = NULL) const { return dso->getSender(port); } inline size_t getNextDataPacketSize() const { return dso->getNextPacketSize(); } /** * Receive data from the data channel/socket. * * @param buffer Memory region to read to. * @param len Maximum number of octets to get. * @param na Source network address. * @param tp Source transport port. * @return Number of octets actually read. */ inline size_t recvData(unsigned char* buffer, size_t len, IPV6Host& na, tpport_t& tp) { na = dso->getSender(tp); return dso->recv(buffer, len); } inline void setDataPeerIPV6(const IPV6Host &host, tpport_t port) { dso->setPeer(host,port); } /** * @param buffer memory region to write from * @param len number of octets to write */ inline size_t sendDataIPV6(const unsigned char* const buffer, size_t len) { return dso->send(buffer, len); } inline SOCKET getDataRecvSocket() const { return dso->getRecvSocket(); } /** * @param timeout maximum timeout to wait, in microseconds * @return whether there are packets waiting to be picked */ inline bool isPendingControl(microtimeout_t timeout) { return cso->isPendingRecv(timeout); } inline IPV6Host getControlSender(tpport_t *port = NULL) const { return cso->getSender(port); } /** * Receive data from the control channel/socket. * * @param buffer Buffer where to get data. * @param len Maximum number of octets to get. * @param na Source network address. * @param tp Source transport port. * @return Number of octets actually read. **/ inline size_t recvControl(unsigned char *buffer, size_t len, IPV6Host& na, tpport_t& tp) { na = cso->getSender(tp); return cso->recv(buffer,len); } inline void setControlPeerIPV6(const IPV6Host &host, tpport_t port) { cso->setPeer(host,port); } /** * @return number of octets actually written * @param buffer * @param len */ inline size_t sendControl(const unsigned char* const buffer, size_t len) { return cso->send(buffer,len); } inline SOCKET getControlRecvSocket() const { return cso->getRecvSocket(); } inline void endSocket() { dso->endSocket(); cso->endSocket(); if (dso) delete dso; dso = NULL; if (cso) delete cso; cso = NULL; } private: void build(const IPV6Host& ia, tpport_t dataPort, tpport_t controlPort) { if ( 0 == controlPort ) { dataBasePort = even_port(dataPort); controlBasePort = dataBasePort + 1; } else { dataBasePort = dataPort; controlBasePort = controlPort; } dso = new RTPDataChannel(ia,dataBasePort); cso = new RTCPChannel(ia,controlBasePort); } void build(const IPV6Multicast& ia, tpport_t dataPort, tpport_t controlPort, uint32 iface) { if ( 0 == controlPort ) { dataBasePort = even_port(dataPort); controlBasePort = dataBasePort + 1; } else { dataBasePort = dataPort; controlBasePort = controlPort; } dso = new RTPDataChannel(IPV6Host("0.0.0.0"),dataBasePort); cso = new RTCPChannel(IPV6Host("0.0.0.0"),controlBasePort); joinGroup(ia,iface); } /** * Join a multicast group. * * @param ia address of the multicast group * @return error code from the socket operation */ inline Socket::Error joinGroup(const IPV6Multicast& ia, uint32 iface) { Socket::Error error = dso->setMulticast(true); if ( error ) return error; error = dso->join(ia,iface); if ( error ) return error; error = cso->setMulticast(true); if ( error ) { dso->drop(ia); return error; } error = cso->join(ia,iface); if ( error ) { dso->drop(ia); return error; } return Socket::errSuccess; } /** * Leave a multicast group. * * @param ia address of the multicast group * @return error code from the socket operation */ inline Socket::Error leaveGroup(const IPV6Multicast& ia) { Socket::Error error = dso->setMulticast(false); if ( error ) return error; error = dso->leaveGroup(ia); if ( error ) return error; error = cso->setMulticast(false); if ( error ) return error; return cso->leaveGroup(ia); } /** * Set the value of the TTL field in the sent packets. * * @param ttl Time To Live * @return error code from the socket operation */ inline Socket::Error setMcastTTL(uint8 ttl) { Socket::Error error = dso->setMulticast(true); if ( error ) return error; error = dso->setTimeToLive(ttl); if ( error ) return error; error = cso->setMulticast(true); if ( error ) return error; return cso->setTimeToLive(ttl); } /** * Ensure a port number is odd. If it is an even number, return * the next lower (odd) port number. * * @param port number to filter * @return filtered (odd) port number */ inline tpport_t odd_port(tpport_t port) { return (port & 0x01)? (port) : (port - 1); } /** * Ensure a port number is even. If it is an odd number, return * the next lower (even) port number. * * @param port number to filter * @return filtered (even) port number */ inline tpport_t even_port(tpport_t port) { return (port & 0x01)? (port - 1) : (port); } tpport_t dataBasePort; tpport_t controlBasePort; protected: RTPDataChannel* dso; RTCPChannel* cso; friend class RTPSessionBaseHandler; }; /** * @class SingleThreadRTPSessionIPV6 * * This template class adds the threading aspect to the RTPSessionBase * template in one of the many possible ways. It inherits from a * single execution thread that schedules sending of outgoing packets * and receipt of incoming packets. * * @author David Sugar **/ template class __EXPORT SingleThreadRTPSessionIPV6 : protected Thread, public TRTPSessionBaseIPV6 { public: SingleThreadRTPSessionIPV6(const IPV6Host& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication() #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBaseIPV6 (ia,dataPort,controlPort,memberssize,app) { } #endif SingleThreadRTPSessionIPV6(const IPV6Multicast& ia, tpport_t dataPort = DefaultRTPDataPort, tpport_t controlPort = 0, int pri = 0, uint32 memberssize = MembershipBookkeeping::defaultMembersHashSize, RTPApplication& app = defaultApplication(), uint32 iface = 0 #if defined(_MSC_VER) && _MSC_VER >= 1300 ); #else ): Thread(pri), TRTPSessionBaseIPV6 (ia,dataPort,controlPort,memberssize,app,iface) { } #endif ~SingleThreadRTPSessionIPV6() { if (isRunning()) { disableStack(); Thread::join(); } } #if defined(_MSC_VER) && _MSC_VER >= 1300 virtual void startRunning(); #else /** * Activate stack and start service thread. **/ void startRunning() { enableStack(); Thread::start(); } #endif protected: inline void enableStack(void) {TRTPSessionBaseIPV6::enableStack();} inline void disableStack(void) {TRTPSessionBaseIPV6::disableStack();} inline microtimeout_t getSchedulingTimeout(void) {return TRTPSessionBaseIPV6::getSchedulingTimeout();} inline void controlReceptionService(void) {TRTPSessionBaseIPV6::controlReceptionService();} inline void controlTransmissionService(void) {TRTPSessionBaseIPV6::controlTransmissionService();} inline timeval getRTCPCheckInterval(void) {return TRTPSessionBaseIPV6::getRTCPCheckInterval();} inline size_t dispatchDataPacket(void) {return TRTPSessionBaseIPV6::dispatchDataPacket();} #if defined(_MSC_VER) && _MSC_VER >= 1300 virtual void run(void); virtual void timerTick(void); virtual bool isPendingData(microtimeout_t timeout); #else virtual void timerTick(void) {return;} virtual bool isPendingData(microtimeout_t timeout) {return TRTPSessionBaseIPV6::isPendingData(timeout);} /** * Single runnable method for this RTP stacks, schedules * outgoing and incoming RTP data and RTCP packets. **/ virtual void run(void) { microtimeout_t timeout = 0; while ( ServiceQueue::isActive() ) { if ( timeout < 1000 ){ // !(timeout/1000) timeout = getSchedulingTimeout(); } controlReceptionService(); controlTransmissionService(); microtimeout_t maxWait = timeval2microtimeout(getRTCPCheckInterval()); // make sure the scheduling timeout is // <= the check interval for RTCP // packets timeout = (timeout > maxWait)? maxWait : timeout; if ( timeout < 1000 ) { // !(timeout/1000) dispatchDataPacket(); timerTick(); } else { if ( isPendingData(timeout/1000) ) { takeInDataPacket(); } timeout = 0; } } dispatchBYE("GNU ccRTP stack finishing."); Thread::exit(); } #endif inline size_t takeInDataPacket(void) {return TRTPSessionBaseIPV6::takeInDataPacket();} inline size_t dispatchBYE(const std::string &str) {return TRTPSessionBaseIPV6::dispatchBYE(str);} }; /** * @typedef RTPSession * * Uses two pairs of sockets for RTP data and RTCP * transmission/reception. * * @short UDP/IPv6 RTP Session scheduled by one thread of execution. **/ typedef SingleThreadRTPSessionIPV6<> RTPSessionIPV6; /** * @typedef RTPSocket * * Alias for RTPSession. **/ typedef RTPSessionIPV6 RTPSocketIPV6; /** * @typedef SymmetricRTPSession * * Uses one pair of sockets, (1) for RTP data and (2) for RTCP * transmission/reception. * * @short Symmetric UDP/IPv6 RTP session scheduled by one thread of execution. **/ typedef SingleThreadRTPSessionIPV6 SymmetricRTPSessionIPV6; #endif /** @}*/ // sessions END_NAMESPACE #endif //CCXX_RTP_RTP_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/channel.h0000664000175000017500000003173311767643350013263 00000000000000// Copyright (C) 2001-2005 Federico Montesino Pouzols // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef CCRTP_CHANNEL_H_ #define CCRTP_CHANNEL_H_ #include #include #ifndef _MSWINDOWS_ #include inline size_t ccioctl(int so, int request, size_t& len) { return ioctl(so,request,&len); } #else inline size_t ccioctl(SOCKET so, int request, size_t& len ) { unsigned long l; size_t result = 0; ::ioctlsocket(so,request,&l); len = l; return result; } #endif NAMESPACE_COMMONCPP /** * @file channel.h * * Definition of socket classes for different underlying transport * and/or network protocols that can be used to instantiate the * TRTPSessionBase template. **/ /** * @defgroup sockets Underlying transport protocol socket classes. * @{ **/ /** * @class RTPBaseUDPIPv4Socket * @short A UDP/IPv4 socket class targetted at RTP stacks. * * This class provides a flat interface that includes all the services * required by an RTP stack. * * It can be used in two ways: * * To instantiate the DualSocket template, which will be used to * instantiate an RTP stack template (such as TRTPSessionBase). * * To directly instantiate an RTP stack template (such as * TRTPSessionBase). * * This class offers an example of the interface that other classes * should provide in order to specialize the ccRTP stack for different * underlying protocols. * * @author Federico Montesino Pouzols **/ class RTPBaseUDPIPv4Socket : private UDPSocket { public: /** * Constructor for receiver. **/ RTPBaseUDPIPv4Socket(const InetAddress& ia, tpport_t port) : UDPSocket(ia,port) { } inline ~RTPBaseUDPIPv4Socket() { endSocket(); } inline bool isPendingRecv(microtimeout_t timeout) { return UDPSocket::isPending(UDPSocket::pendingInput, timeout); } inline InetHostAddress getSender(tpport_t& port) const { return UDPSocket::getSender(&port); } inline size_t recv(unsigned char* buffer, size_t len) { return UDPSocket::receive(buffer, len); } /** * Get size of next datagram waiting to be read. **/ inline size_t getNextPacketSize() const { size_t len; ccioctl(UDPSocket::so,FIONREAD,len); return len; } Socket::Error setMulticast(bool enable) { return UDPSocket::setMulticast(enable); } inline Socket::Error join(const InetMcastAddress& ia, uint32 iface) { return UDPSocket::join(ia,iface); } inline Socket::Error drop(const InetMcastAddress& ia) { return UDPSocket::drop(ia); } inline Socket::Error setTimeToLive(unsigned char ttl) { return UDPSocket::setTimeToLive(ttl); } /** * Constructor for transmitter. **/ RTPBaseUDPIPv4Socket() : UDPSocket() { } inline void setPeer(const InetAddress &ia, tpport_t port) {UDPSocket::setPeer((InetHostAddress&)ia, port);} inline size_t send(const unsigned char* const buffer, size_t len) { return UDPSocket::send(buffer, len); } inline SOCKET getRecvSocket() const { return UDPSocket::so; } // common inline void endSocket() { UDPSocket::endSocket(); } }; /** * @class DualUDPIPv4Socket * @short A socket class based on two UDP/IPv4 sockets. * * Defines a communication channel for RTP data and/or RTCP streams. * Sockets used to instantiate this template must define a framing * mechanism (UDP does not need any addition, TCP does). * * This class implements a socket as a pair of UDP/IPv4 sockets, * alllowing both transmission and reception of packets in unicast as * well as multicast mode. The implementation of this class relies on * the Common C++ UDPSocket class but provides the interface needed by * a ccRTP stack. * * Normally, RTP stacks will use two objects of this class, one for * RTP data packets transmission/reception and other for RTCP * (control) transmission/reception. * * @author Federico Montesino Pouzols **/ template class DualRTPChannel { public: DualRTPChannel(const InetAddress& ia, tpport_t port) { recvSocket = new BaseSocket(ia,port); sendSocket = new BaseSocket; } inline ~DualRTPChannel() { delete sendSocket; delete recvSocket; } inline bool isPendingRecv(microtimeout_t timeout) const { return recvSocket->isPendingRecv(timeout); } inline InetHostAddress getSender(tpport_t& port) const { return recvSocket->getSender(port); } inline size_t recv(unsigned char* buffer, size_t len) { return recvSocket->recv(buffer, len); } inline size_t getNextPacketSize() const { return recvSocket->getNextPacketSize(); } inline Socket::Error setMulticast(bool enable) { Socket::Error error = recvSocket->setMulticast(enable); if (error) return error; return sendSocket->setMulticast(enable); } inline Socket::Error join(const InetMcastAddress& ia, uint32 iface) { return recvSocket->join(ia,iface); } inline Socket::Error drop(const InetMcastAddress& ia) { return recvSocket->drop(ia); } inline Socket::Error setTimeToLive(unsigned char ttl) { return sendSocket->setTimeToLive(ttl); } inline void setPeer(const InetAddress& host, tpport_t port) { sendSocket->setPeer(host,port); } inline size_t send(const unsigned char* const buffer, size_t len) { return sendSocket->send(buffer, len); } inline SOCKET getRecvSocket() const { return recvSocket->getRecvSocket(); } // common. inline void endSocket() { sendSocket->endSocket(); recvSocket->endSocket(); } private: BaseSocket* sendSocket; BaseSocket* recvSocket; }; #ifdef CCXX_IPV6 /** * @class RTPBaseUDPIPv4Socket * @short A UDP/IPv6 socket class targetted at RTP stacks. * * This class provides a flat interface that includes all the services * required by an RTP stack. * * It can be used in two ways: * * To instantiate the DualSocket template, which will be used to * instantiate an RTP stack template (such as TRTPSessionBaseIPV6). * * To directly instantiate an RTP stack template (such as * TRTPSessionBaseIPV6). * * This class offers an example of the interface that other classes * should provide in order to specialize the ccRTP stack for different * underlying protocols. * * @author David Sugar **/ class RTPBaseUDPIPv6Socket : private UDPSocket { public: /** * Constructor for receiver. **/ RTPBaseUDPIPv6Socket(const IPV6Address& ia, tpport_t port) : UDPSocket(ia,port) { } inline ~RTPBaseUDPIPv6Socket() { endSocket(); } inline bool isPendingRecv(microtimeout_t timeout) { return UDPSocket::isPending(UDPSocket::pendingInput, timeout); } inline IPV6Host getSender(tpport_t& port) const { return UDPSocket::getIPV6Sender(&port); } inline size_t recv(unsigned char* buffer, size_t len) { return UDPSocket::receive(buffer, len); } /** * Get size of next datagram waiting to be read. **/ inline size_t getNextPacketSize() const { size_t len; ccioctl(UDPSocket::so,FIONREAD,len); return len; } Socket::Error setMulticast(bool enable) { return UDPSocket::setMulticast(enable); } inline Socket::Error join(const IPV6Multicast& ia, uint32 iface) { return Socket::join(ia); } inline Socket::Error drop(const IPV6Multicast& ia) { return UDPSocket::drop(ia); } inline Socket::Error setTimeToLive(unsigned char ttl) { return UDPSocket::setTimeToLive(ttl); } /** * Constructor for transmitter. **/ RTPBaseUDPIPv6Socket() : UDPSocket() { } inline void setPeer(const IPV6Host &ia, tpport_t port) {UDPSocket::setPeer(ia, port);} inline size_t send(const unsigned char* const buffer, size_t len) { return UDPSocket::send(buffer, len); } inline SOCKET getRecvSocket() const { return UDPSocket::so; } // common inline void endSocket() { UDPSocket::endSocket(); } }; /** * @class DualUDPIPv6Socket * @short A socket class based on two UDP/IPv6 sockets. * * Defines a communication channel for RTP data and/or RTCP streams. * Sockets used to instantiate this template must define a framing * mechanism (UDP does not need any addition, TCP does). * * This class implements a socket as a pair of UDP/IPv6 sockets, * alllowing both transmission and reception of packets in unicast as * well as multicast mode. The implementation of this class relies on * the Common C++ UDPSocket class but provides the interface needed by * a ccRTP stack. * * Normally, RTP stacks will use two objects of this class, one for * RTP data packets transmission/reception and other for RTCP * (control) transmission/reception. * * @author David Sugar **/ template class DualRTPChannelIPV6 { public: DualRTPChannelIPV6(const IPV6Host& ia, tpport_t port) { recvSocket = new BaseSocket(ia,port); sendSocket = new BaseSocket; } inline ~DualRTPChannelIPV6() { delete sendSocket; delete recvSocket; } inline bool isPendingRecv(microtimeout_t timeout) const { return recvSocket->isPendingRecv(timeout); } inline IPV6Host getSender(tpport_t& port) const { return recvSocket->getIPV6Sender(port); } inline size_t recv(unsigned char* buffer, size_t len) { return recvSocket->recv(buffer, len); } inline size_t getNextPacketSize() const { return recvSocket->getNextPacketSize(); } inline Socket::Error setMulticast(bool enable) { Socket::Error error = recvSocket->setMulticast(enable); if (error) return error; return sendSocket->setMulticast(enable); } inline Socket::Error join(const IPV6Multicast& ia, uint32 iface) { return recvSocket->join(ia,iface); } inline Socket::Error drop(const IPV6Multicast& ia) { return recvSocket->drop(ia); } inline Socket::Error setTimeToLive(unsigned char ttl) { return sendSocket->setTimeToLive(ttl); } inline void setPeer(const IPV6Host& host, tpport_t port) { sendSocket->setPeer(host,port); } inline size_t send(const unsigned char* const buffer, size_t len) { return sendSocket->send(buffer, len); } inline SOCKET getRecvSocket() const { return recvSocket->getRecvSocket(); } // common. inline void endSocket() { sendSocket->endSocket(); recvSocket->endSocket(); } private: BaseSocket* sendSocket; BaseSocket* recvSocket; }; typedef DualRTPChannelIPV6 DualRTPUDPIPv6Channel; typedef RTPBaseUDPIPv6Socket SingleRTPChannelIPV6; typedef SingleRTPChannelIPV6 SymmetricRTPChannelIPV6; #endif typedef DualRTPChannel DualRTPUDPIPv4Channel; /** * May be used in applications where using the same socket for both * sending and receiving is not a limitation. **/ typedef RTPBaseUDPIPv4Socket SingleRTPChannel; /** * Actually, RTP with a single channel can be called 'Symmetric RTP' **/ typedef SingleRTPChannel SymmetricRTPChannel; /** @}*/ // sockets END_NAMESPACE #endif //CCRTP_CHANNEL_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/sources.h0000664000175000017500000003676411767643350013347 00000000000000// Copyright (C) 2001,2002,2003,2004 Federico Montesino Pouzols . // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file sources.h * * @short Sources of synchronization and participants related clases. **/ #ifndef CCXX_RTP_SOURCES_H_ #define CCXX_RTP_SOURCES_H_ #include #include NAMESPACE_COMMONCPP /** * @defgroup sources Participants and synchronization sources. * @{ **/ /** * @class SDESItemsHolder * * Holds the SDES items and related information from a participant in * an RTP application. This is a base class for participant classes. * * @author Federico Montesino Pouzols **/ class __EXPORT SDESItemsHolder { public: const std::string& getItem(SDESItemType type) const; inline const std::string& getPRIVPrefix() const { return sdesItems[SDESItemTypeEND]; } void setItem(SDESItemType item, const std::string& val); inline void setPRIVPrefix(const std::string& val) { sdesItems[SDESItemTypeEND] = val; } protected: SDESItemsHolder() { } inline virtual ~SDESItemsHolder() { } private: // SDES items for a participant. // sdesItems[0] (== sdesItems[SDESItemTypeEND]) holds the prefix // value for the PRIV item. The rest of entries hold the // correponding SDES item value. std::string sdesItems[SDESItemTypeLast + 1]; }; /** * @class Participant * @short A class of objects representing remote participants (RTP * applications) in a multimedia session. * * Any RTP socket/queue class that directly or indirectly inherits * from QueueRTCPManager (and hence has RTCP support) will represent * participants from which any RTP or RTCP packet has been received * through a Participant object. These Participant objects are * entities such as end systems (user applications, monitors, etc), * RTP mixers and RTP translators. * * Participant objects are identified by a CNAME and provide access to * all known data about the source of RTP/RTCP packets, such as the * CNAME and any other SDES item. Each participant object is related * to one or more synchronization objects (@see SyncSource). * * If an RTP application based on ccRTP receives packets from itself * (for instance, it is included in the destination list), there will * be a Participant object that corresponds to the "local participant" * (RTPApplication) object. * * @author Federico Montesino Pouzols * * @todo implement reference counting from sources, so that when a * source is destroyed, we know if the Participant should be * destroyed. **/ class __EXPORT Participant : private SDESItemsHolder { public: /** * Get the value of an SDES item. For instance, * getSDESItem(SDESItemTypeCNAME), return the CNAME of this * Participant. * * @param type type of SDES item to get value of. * * @return value of the SDES item as a string. * @retval empty string when the value is not known (no RTCP * packet with the requested SDES item has been received from this * source). **/ const std::string& getSDESItem(SDESItemType type) const { return SDESItemsHolder::getItem(type); } /** * Get the prefix value for the PRIV SDES item. * * @return PRIV SDES item prefix as a string. * @retval empty string when no PRIV SDES item has been * received from this source. **/ inline const std::string& getPRIVPrefix() const { return SDESItemsHolder::getPRIVPrefix(); } /** * Construct a new participant. * * @param cname Unique CNAME identifier. **/ Participant(const std::string& cname); ~Participant(); private: friend class ParticipantHandler; /** * Set the value of a SDES item. **/ inline void setSDESItem(SDESItemType item, const std::string& val) { SDESItemsHolder::setItem(item,val); } /** * Set prefix value for the PRIV SDES item. **/ inline void setPRIVPrefix(const std::string val) { SDESItemsHolder::setPRIVPrefix(val); } }; /** * @class SyncSource * @short Synchronization source in an RTP session * * Each synchronization source in an RTP session is identified by a * 32-bit numeric SSRC identifier. Each SyncSource object is related * to a Participant object, which can be retrieved through the * getParticipant() method. * * @author Federico Montesino Pouzols **/ class __EXPORT SyncSource { public: /** * @enum State * * @short Synchronization source states during an RTP session. * * In general, new synchronization sources are not considered * valid until multiple valid data packets or a valid RTCP * compound packet has been received from the new source (@see * IncomingDataQueue::setMinValidPacketSequence()). Thus, the * source will probably be in statePrevalid before reaching * one of the two states that indicate a valid source: * stateActive and stateInactive. * * A valid participant is in stateActive state if RTP and/or * RTCP packets are currently being received from it. If, * after a small number of RTCP report intervals (see * IncomingDataQueue::setSourceExpirationPeriod() ), no * packets are received, it will reach the stateInactive * state. If, after a small number of RTCP report intervals, * no packet is received from an inactive source, it will be * deleted. * * If RTCP is being used, after receiving a BYE RTCP packet * from a synchronization source, it will reach the * stateLeaving state and will be deleted after a delay (see * QueueRTCPManager::setLeavingDelay()). * * Sources in statePrevalid and stateLeaving are not counted * for the number of session members estimation. **/ typedef enum { stateUnknown, ///< No valid packet has been received. statePrevalid, ///< Some packets have been ///received, but source validity not ///yet guaranteed. stateActive, ///< We currently receive packets ///(data or control) from this source. stateInactive, ///< Was active in the near past but ///no packet from this source has ///been received lately. stateLeaving ///< An RTCP BYE has been received ///from the source. } State; /** * @param ssrc SSRC identifier of the source, unique in each * session. */ SyncSource(uint32 ssrc); ~SyncSource(); State getState() const { return state; } /** * Whether this source sends RTP data packets. **/ bool isSender() const { return activeSender; } uint32 getID() const { return SSRC; } /** * Get the participant this synchronization source is * asociated to. * * @retval NULL if the stack has not been yet able to identify * the participant this source is associated to. **/ inline Participant* getParticipant() const { return participant; } tpport_t getDataTransportPort() const { return dataTransportPort; } tpport_t getControlTransportPort() const { return controlTransportPort; } const InetAddress& getNetworkAddress() const { return networkAddress; } protected: /** * @param source The RTPSource object being copied */ SyncSource(const SyncSource& source); SyncSource& operator=(const SyncSource& source); private: friend class SyncSourceHandler; inline void setState(State st) { state = st; } /** * Mark this source as an active sender. **/ inline void setSender(bool active) { activeSender = active; } inline void setParticipant(Participant& p) { participant = &p; } void setDataTransportPort(tpport_t p) { dataTransportPort = p; } void setControlTransportPort(tpport_t p) { controlTransportPort = p; } void setNetworkAddress(InetAddress addr) { networkAddress = addr; } inline void setLink(void *l) { link = l; } void *getLink() const { return link; } // validity state of this source State state; // 32-bit SSRC identifier. uint32 SSRC; // A valid source not always is active bool activeSender; // The corresponding participant. Participant* participant; // Network protocol address for data and control connection // (both are assumed to be the same). InetAddress networkAddress; tpport_t dataTransportPort; tpport_t controlTransportPort; // Pointer to the SyncSourceLink or similar object in the // service queue. Saves a lot of searches in the membership // table. void* link; }; /** * @class RTPApplication * @short An RTP application, holding identifying RTCP SDES item * values. Represents local participants. * * An application in the context of RTP: an entity that has a CNAME * (unique identifier in the form of user\@host.domain) as well as * other RTCP SDES items (such as NAME or TOOL), and may open a number * of RTP sessions. Each application is a different source of * synchronization (with a potentially diferent SSRC identifier) in * each RTP session it participates. All the sources of * synchronization from a participant are tied together by means of * the CNAME. * * The definition of this class allows applications based on ccRTP to * implement several "RTP applications" in the same process. Each * object of this class represents a local participant. * * @author Federico Montesino Pouzols **/ class __EXPORT RTPApplication : private SDESItemsHolder { private: struct ParticipantLink; public: /** * Create a new RTP application. If the CNAME string provided * has zero length, it is guessed from the user and machine * name. * * @param cname Local participant canonical name. **/ RTPApplication(const std::string& cname); ~RTPApplication(); inline void setSDESItem(SDESItemType item, const std::string& val) { SDESItemsHolder::setItem(item,val); } inline void setPRIVPrefix(const std::string& val) { SDESItemsHolder::setPRIVPrefix(val); } const std::string& getSDESItem(SDESItemType item) const { return SDESItemsHolder::getItem(item); } inline const std::string& getPRIVPrefix() const { return SDESItemsHolder::getPRIVPrefix(); } /** * Iterator through the list of participants in this * session. Somehow resembles and standard const_iterator **/ class ParticipantsIterator { public: typedef std::forward_iterator_tag iterator_category; typedef Participant value_type; typedef std::ptrdiff_t difference_type; typedef const Participant* pointer; typedef const Participant& reference; ParticipantsIterator(ParticipantLink* p = NULL) : link(p) { } ParticipantsIterator(const ParticipantsIterator& pi) : link(pi.link) { } reference operator*() const { return *(link->getParticipant()); } pointer operator->() const { return link->getParticipant(); } ParticipantsIterator& operator++() { link = link->getNext(); return *this; } ParticipantsIterator operator++(int) { ParticipantsIterator result(*this); ++(*this); return result; } friend bool operator==(const ParticipantsIterator& l, const ParticipantsIterator& r) { return l.link == r.link; } friend bool operator!=(const ParticipantsIterator& l, const ParticipantsIterator& r) { return l.link != r.link; } private: ParticipantLink *link; }; ParticipantsIterator begin() { return ParticipantsIterator(firstPart); } ParticipantsIterator end() { return ParticipantsIterator(NULL); } const Participant* getParticipant(const std::string& cname) const; private: friend class ApplicationHandler; struct ParticipantLink { ParticipantLink(Participant& p, ParticipantLink* l) : participant(&p), next(l) { } inline ~ParticipantLink() { delete participant; } inline Participant* getParticipant() { return participant; } inline ParticipantLink* getPrev() { return prev; } inline ParticipantLink* getNext() { return next; } inline void setPrev(ParticipantLink* l) { prev = l; } inline void setNext(ParticipantLink* l) { next = l; } Participant* participant; ParticipantLink* next, *prev; }; void addParticipant(Participant& part); void removeParticipant(ParticipantLink* part); /** * Find out the local CNAME as user\@host and store it as part * of the internal state of this class. */ void findCNAME(); /// Hash table with sources of RTP and RTCP packets. static const size_t defaultParticipantsNum; Participant** participants; /// List of participants, ordered from older to newer. ParticipantLink* firstPart, * lastPart; }; /** * Get the RTPApplication object for the "default" application (the * only one used by common applications -those that only implement one * "RTP application"). Note that this application object differs from * all the others that may be defined in that it is automatically * constructed by the ccRTP stack and its CNAME is automatically * assigned (as user\@host), whereas the other application objects' * CNAME is provided to its constructor. **/ __EXPORT RTPApplication& defaultApplication(); /** @}*/ // sources END_NAMESPACE #endif //CCXX_RTP_SOURCES_H_ /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */ ccrtp-2.0.6/src/ccrtp/crypto/0000755000175000017500000000000012153105267013057 500000000000000ccrtp-2.0.6/src/ccrtp/crypto/macSkein.cpp0000664000175000017500000000464211767643350015257 00000000000000/* Copyright (C) 2010 Werner Dittmann This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include #include void macSkein(uint8_t* key, int32_t key_length, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t mac_length, SkeinSize_t skeinSize) { SkeinCtx_t ctx; skeinCtxPrepare(&ctx, skeinSize); skeinMacInit(&ctx, key, key_length, mac_length); skeinUpdate(&ctx, data, data_length); skeinFinal(&ctx, mac); } void macSkein(uint8_t* key, int32_t key_length, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t mac_length, SkeinSize_t skeinSize) { SkeinCtx_t ctx; skeinCtxPrepare(&ctx, skeinSize); skeinMacInit(&ctx, key, key_length, mac_length); while (*data) { skeinUpdate(&ctx, *data, *data_length); data++; data_length ++; } skeinFinal(&ctx, mac); } void* createSkeinMacContext(uint8_t* key, int32_t key_length, int32_t mac_length, SkeinSize_t skeinSize) { SkeinCtx_t* ctx = (SkeinCtx_t*)malloc(sizeof(SkeinCtx_t)); skeinCtxPrepare(ctx, skeinSize); skeinMacInit(ctx, key, key_length, mac_length); return ctx; } void macSkeinCtx(void* ctx, const uint8_t* data, uint32_t data_length, uint8_t* mac) { SkeinCtx_t* pctx = (SkeinCtx_t*)ctx; skeinUpdate(pctx, data, data_length); skeinFinal(pctx, mac); skeinReset(pctx); } void macSkeinCtx(void* ctx, const uint8_t* data[], uint32_t data_length[], uint8_t* mac) { SkeinCtx_t* pctx = (SkeinCtx_t*)ctx; while (*data) { skeinUpdate(pctx, *data, *data_length); data++; data_length++; } skeinFinal(pctx, mac); skeinReset(pctx); } void freeSkeinMacContext(void* ctx) { if (ctx) free(ctx); } ccrtp-2.0.6/src/ccrtp/crypto/gcrypt/0000755000175000017500000000000012153105267014367 500000000000000ccrtp-2.0.6/src/ccrtp/crypto/gcrypt/gcrypthmac.cpp0000664000175000017500000000642611767643350017200 00000000000000/* Copyright (C) 2005, 2004 Erik Eliasson, Johan Bilien This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Authors: Erik Eliasson * Johan Bilien */ #include #include #include void hmac_sha1(uint8_t* key, int32_t keyLength, const uint8_t* data, int32_t dataLength, uint8_t* mac, int32_t* macLength) { gcry_md_hd_t hd; gcry_md_open(&hd, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC); gcry_md_setkey(hd, key, keyLength); gcry_md_write (hd, data, dataLength); uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA1); memcpy(mac, p, SHA1_DIGEST_LENGTH); if (macLength != NULL) { *macLength = SHA1_DIGEST_LENGTH; } gcry_md_close (hd); } void hmac_sha1( uint8_t* key, int32_t keyLength, const uint8_t* dataChunks[], uint32_t dataChunkLength[], uint8_t* mac, int32_t* macLength ) { gcry_md_hd_t hd; gcry_md_open(&hd, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC); gcry_md_setkey(hd, key, keyLength); while (*dataChunks) { gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength)); dataChunks++; dataChunkLength++; } uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA1); memcpy(mac, p, SHA1_DIGEST_LENGTH); if (macLength != NULL) { *macLength = SHA1_DIGEST_LENGTH; } gcry_md_close (hd); } void* createSha1HmacContext(uint8_t* key, int32_t key_length) { gcry_md_hd_t ctx; gcry_md_open(&ctx, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC); gcry_md_setkey(ctx, key, key_length); return ctx; } void hmacSha1Ctx(void* ctx, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t* mac_length) { gcry_md_hd_t pctx = (gcry_md_hd_t)ctx; gcry_md_reset(pctx); gcry_md_write (pctx, data, data_length); uint8_t* p = gcry_md_read (pctx, GCRY_MD_SHA1); memcpy(mac, p, SHA1_DIGEST_LENGTH); if (mac_length != NULL) { *mac_length = SHA1_DIGEST_LENGTH; } } void hmacSha1Ctx(void* ctx, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t* mac_length ) { gcry_md_hd_t pctx = (gcry_md_hd_t)ctx; gcry_md_reset (pctx); while (*data) { gcry_md_write (pctx, *data, (uint32_t)(*data_length)); data++; data_length++; } uint8_t* p = gcry_md_read (pctx, GCRY_MD_SHA1); memcpy(mac, p, SHA1_DIGEST_LENGTH); if (mac_length != NULL) { *mac_length = SHA1_DIGEST_LENGTH; } } void freeSha1HmacContext(void* ctx) { gcry_md_hd_t pctx = (gcry_md_hd_t)ctx; gcry_md_close (pctx); } ccrtp-2.0.6/src/ccrtp/crypto/gcrypt/gcryptSrtpSymCrypto.cpp0000664000175000017500000002352311767643350021107 00000000000000/* Copyright (C) 2005, 2004, 2012 Erik Eliasson, Johan Bilien, Werner Dittmann This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with the * OpenSSL library under certain conditions as described in each * individual source file, and distribute linked combinations * including the two. * You must obey the GNU General Public License in all respects * for all of the code used other than OpenSSL. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you * do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source * files in the program, then also delete it here. */ /** * @author Erik Eliasson * @author Johan Bilien * @author Werner Dittmann */ extern void initializeGcrypt(); #define MAKE_F8_TEST #include // the include of gcrypt #include #include #include #include SrtpSymCrypto::SrtpSymCrypto(int algo) : key(NULL), algorithm(algo) { initializeGcrypt(); } SrtpSymCrypto::SrtpSymCrypto( uint8_t* k, int32_t keyLength, int algo) : key(NULL), algorithm(algo) { initializeGcrypt(); setNewKey(k, keyLength); } SrtpSymCrypto::~SrtpSymCrypto() { if (key) { if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) gcry_cipher_close(static_cast(key)); else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) { memset(key, 0, sizeof(Twofish_key)); delete[] (uint8_t*)key; } key = NULL; } } static int twoFishInit = 0; bool SrtpSymCrypto::setNewKey(const uint8_t* k, int32_t keyLength) { // release an existing key before setting a new one if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) { if (key != NULL) { gcry_cipher_close(static_cast(key)); key = NULL; } int algo = 0; if (keyLength == 16) { algo = GCRY_CIPHER_AES; } else if (keyLength == 32) { algo = GCRY_CIPHER_AES256; } else { return false; } gcry_cipher_hd_t tmp; gcry_cipher_open(&tmp, algo, GCRY_CIPHER_MODE_ECB, 0); key = tmp; gcry_cipher_setkey(static_cast(key), k, keyLength); } else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) { if (!twoFishInit) { Twofish_initialise(); twoFishInit = 1; } if (key != NULL) delete[] (uint8_t*)key; key = new uint8_t[sizeof(Twofish_key)]; memset(key, 0, sizeof(Twofish_key)); Twofish_prepare_key((Twofish_Byte*)k, keyLength, (Twofish_key*)key); } else return false; return true; } void SrtpSymCrypto::encrypt(const uint8_t* input, uint8_t* output) { if (key != NULL) { if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) gcry_cipher_encrypt (static_cast(key), output, SRTP_BLOCK_SIZE, input, SRTP_BLOCK_SIZE); else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) Twofish_encrypt((Twofish_key*)key, (Twofish_Byte*)input, (Twofish_Byte*)output); } } void SrtpSymCrypto::get_ctr_cipher_stream( uint8_t* output, uint32_t length, uint8_t* iv ) { uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; for(ctr = 0; ctr < length/SRTP_BLOCK_SIZE; ctr++ ){ //compute the cipher stream iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, &output[ctr*SRTP_BLOCK_SIZE]); } if ((length % SRTP_BLOCK_SIZE) > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); memcpy(&output[ctr*SRTP_BLOCK_SIZE], temp, length % SRTP_BLOCK_SIZE); } } void SrtpSymCrypto::ctr_encrypt( const uint8_t* input, uint32_t input_length, uint8_t* output, uint8_t* iv ) { if (key == NULL) return; uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; int l = input_length/SRTP_BLOCK_SIZE; for ( ctr = 0; ctr < l; ctr++ ) { iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < SRTP_BLOCK_SIZE; i++ ) { *output++ = temp[i] ^ *input++; } } l = input_length % SRTP_BLOCK_SIZE; if (l > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < l; i++ ) { *output++ = temp[i] ^ *input++; } } } void SrtpSymCrypto::ctr_encrypt( uint8_t* data, uint32_t data_length, uint8_t* iv ) { if (key == NULL) return; uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; int l = data_length/SRTP_BLOCK_SIZE; for (ctr = 0; ctr < l; ctr++ ) { iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < SRTP_BLOCK_SIZE; i++ ) { *data++ ^= temp[i]; } } l = data_length % SRTP_BLOCK_SIZE; if (l > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < l; i++ ) { *data++ ^= temp[i]; } } } void SrtpSymCrypto::f8_encrypt(const uint8_t* data, uint32_t data_length, uint8_t* iv, SrtpSymCrypto* f8Cipher ) { f8_encrypt(data, data_length, const_cast(data), iv, f8Cipher); } #define MAX_KEYLEN 32 void SrtpSymCrypto::f8_deriveForIV(SrtpSymCrypto* f8Cipher, uint8_t* key, int32_t keyLen, uint8_t* salt, int32_t saltLen) { unsigned char *cp_in, *cp_in1, *cp_out; unsigned char maskedKey[MAX_KEYLEN]; unsigned char saltMask[MAX_KEYLEN]; if (keyLen > MAX_KEYLEN) return; if (saltLen > keyLen) return; /* * First copy the salt into the mask field, then fill with 0x55 to * get a full key. */ memcpy(saltMask, salt, saltLen); memset(saltMask+saltLen, 0x55, keyLen-saltLen); /* * XOR the original key with the above created mask to * get the special key. */ cp_out = maskedKey; cp_in = key; cp_in1 = saltMask; for (int i = 0; i < keyLen; i++) { *cp_out++ = *cp_in++ ^ *cp_in1++; } /* * Prepare the a new AES cipher with the special key to compute IV' */ f8Cipher->setNewKey(maskedKey, keyLen); } void SrtpSymCrypto::f8_encrypt(const uint8_t* in, uint32_t in_length, uint8_t* out, uint8_t* iv, SrtpSymCrypto* f8Cipher ) { int offset = 0; unsigned char ivAccent[SRTP_BLOCK_SIZE]; unsigned char S[SRTP_BLOCK_SIZE]; F8_CIPHER_CTX f8ctx; if (key == NULL) return; /* * Get memory for the derived IV (IV') */ f8ctx.ivAccent = ivAccent; /* * Use the derived IV encryption setup to encrypt the original IV to produce IV'. */ f8Cipher->encrypt(iv, f8ctx.ivAccent); f8ctx.J = 0; // initialize the counter f8ctx.S = S; // get the key stream buffer memset(f8ctx.S, 0, SRTP_BLOCK_SIZE); // initial value for key stream while (in_length >= SRTP_BLOCK_SIZE) { processBlock(&f8ctx, in+offset, SRTP_BLOCK_SIZE, out+offset); in_length -= SRTP_BLOCK_SIZE; offset += SRTP_BLOCK_SIZE; } if (in_length > 0) { processBlock(&f8ctx, in+offset, in_length, out+offset); } } int SrtpSymCrypto::processBlock(F8_CIPHER_CTX *f8ctx, const uint8_t* in, int32_t length, uint8_t* out) { int i; const uint8_t *cp_in; uint8_t* cp_in1, *cp_out; uint32_t *ui32p; /* * XOR the previous key stream with IV' * ( S(-1) xor IV' ) */ cp_in = f8ctx->ivAccent; cp_out = f8ctx->S; for (i = 0; i < SRTP_BLOCK_SIZE; i++) { *cp_out++ ^= *cp_in++; } /* * Now XOR (S(n-1) xor IV') with the current counter, then increment the counter */ ui32p = (uint32_t *)f8ctx->S; ui32p[3] ^= htonl(f8ctx->J); f8ctx->J++; /* * Now compute the new key stream using encrypt */ encrypt(f8ctx->S, f8ctx->S); /* * as the last step XOR the plain text with the key stream to produce * the ciphertext. */ cp_out = out; cp_in = in; cp_in1 = f8ctx->S; for (i = 0; i < length; i++) { *cp_out++ = *cp_in++ ^ *cp_in1++; } return length; } /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/crypto/gcrypt/InitializeGcrypt.cpp0000775000175000017500000000712511767643350020331 00000000000000/* Copyright (C) 2006-2007 Werner Dittmann This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include #include #include #include #include /* * The following macro was copied from gcrypt.h and modified to explicitly * cast the pointer types to keep the compiler happy. */ #define GCRY_THREAD_OPTION_PTHREAD_CPP_IMPL \ static int gcry_pthread_mutex_init (void **priv) \ { \ int err = 0; \ pthread_mutex_t *lock = (pthread_mutex_t *)malloc (sizeof (pthread_mutex_t)); \ \ if (!lock) \ err = ENOMEM; \ if (!err) \ { \ err = pthread_mutex_init (lock, NULL); \ if (err) \ free (lock); \ else \ *priv = lock; \ } \ return err; \ } \ static int gcry_pthread_mutex_destroy (void **lock) \ { int err = pthread_mutex_destroy ((pthread_mutex_t *)*lock); free (*lock); return err; } \ static int gcry_pthread_mutex_lock (void **lock) \ { return pthread_mutex_lock ((pthread_mutex_t *)*lock); } \ static int gcry_pthread_mutex_unlock (void **lock) \ { return pthread_mutex_unlock ((pthread_mutex_t *)*lock); } \ \ static struct gcry_thread_cbs gcry_threads_pthread = \ { GCRY_THREAD_OPTION_PTHREAD, NULL, \ gcry_pthread_mutex_init, gcry_pthread_mutex_destroy, \ gcry_pthread_mutex_lock, gcry_pthread_mutex_unlock } /** Implement the locking callback functions for libgcrypt. * */ static int initialized = 0; #ifdef __cplusplus extern "C" { #endif GCRY_THREAD_OPTION_PTHREAD_CPP_IMPL; #ifdef __cplusplus } #endif int initializeGcrypt () { if (initialized) { return 1; } gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); gcry_check_version(NULL); gcry_control(GCRYCTL_DISABLE_SECMEM); initialized = 1; return 1; } ccrtp-2.0.6/src/ccrtp/crypto/SrtpSymCrypto.h0000664000175000017500000003133612006015155015773 00000000000000/* Copyright (C) 2005, 2004, 2010, 2012 Erik Eliasson, Johan Bilien, Werner Dittmann This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with the * OpenSSL library under certain conditions as described in each * individual source file, and distribute linked combinations * including the two. * You must obey the GNU General Public License in all respects * for all of the code used other than OpenSSL. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you * do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source * files in the program, then also delete it here. */ #ifndef SRTPSYMCRYPTO_H #define SRTPSYMCRYPTO_H /** * @file SrtpSymCrypto.h * @brief Class which implements SRTP AES cryptographic functions * * @ingroup GNU_ZRTP * @{ */ #include #include #ifndef SRTP_BLOCK_SIZE #define SRTP_BLOCK_SIZE 16 #endif typedef struct _f8_ctx { unsigned char *S; ///< Intermetiade buffer unsigned char *ivAccent; ///< second IV uint32_t J; ///< Counter } F8_CIPHER_CTX; /** * Implments the SRTP encryption modes as defined in RFC3711 * * The SRTP specification defines two encryption modes, AES-CTR * (AES Counter mode) and AES-F8 mode. The AES-CTR is required, * AES-F8 is optional. * * Both modes are desinged to encrypt/decrypt data of arbitrary length * (with a specified upper limit, refer to RFC 3711). These modes do * not require that the amount of data to encrypt is a multiple * of the AES blocksize (16 bytes), no padding is necessary. * * The implementation uses the openSSL library as its cryptographic * backend. * * @author Erik Eliasson * @author Johan Bilien * @author Werner Dittmann */ class SrtpSymCrypto { public: SrtpSymCrypto(int algo = SrtpEncryptionAESCM); /** * Constructor that initializes key data * * @param key * Pointer to key bytes. * @param key_length * Number of key bytes. */ SrtpSymCrypto(uint8_t* key, int32_t key_length, int algo = SrtpEncryptionAESCM); ~SrtpSymCrypto(); /** * Encrypts the inpout to the output. * * Encrypts one input block to one output block. Each block * is 16 bytes according to the AES encryption algorithm used. * * @param input * Pointer to input block, must be 16 bytes * * @param output * Pointer to output block, must be 16 bytes */ void encrypt( const uint8_t* input, uint8_t* output ); /** * Set new key * * @param key * Pointer to key data, must have at least a size of keyLength * * @param keyLength * Length of the key in bytes, must be 16, 24, or 32 * * @return * false if key could not set. */ bool setNewKey(const uint8_t* key, int32_t keyLength); /** * Computes the cipher stream for AES CM mode. * * @param output * Pointer to a buffer that receives the cipher stream. Must be * at least length bytes long. * * @param length * Number of cipher stream bytes to produce. Usually the same * length as the data to be encrypted. * * @param iv * The initialization vector as input to create the cipher stream. * Refer to chapter 4.1.1 in RFC 3711. */ void get_ctr_cipher_stream(uint8_t* output, uint32_t length, uint8_t* iv); /** * Counter-mode encryption. * * This method performs the AES CM encryption. * * @param input * Pointer to input buffer, must be inputLen bytes. * * @param inputLen * Number of bytes to process. * * @param output * Pointer to output buffer, must be inputLen bytes. * * @param iv * The initialization vector as input to create the cipher stream. * Refer to chapter 4.1.1 in RFC 3711. */ void ctr_encrypt(const uint8_t* input, uint32_t inputLen, uint8_t* output, uint8_t* iv ); /** * Counter-mode encryption, in place. * * This method performs the AES CM encryption. * * @param data * Pointer to input and output block, must be dataLen * bytes. * * @param data_length * Number of bytes to process. * * @param iv * The initialization vector as input to create the cipher stream. * Refer to chapter 4.1.1 in RFC 3711. */ void ctr_encrypt(uint8_t* data, uint32_t data_length, uint8_t* iv ); /** * Derive a AES context to compute the IV'. * * See chapter 4.1.2.1 in RFC 3711. * * @param f8Cipher * Pointer to the AES context that will be used to encrypt IV to IV' * * @param key * The master key * * @param keyLen * Length of the master key. * * @param salt * Master salt. * * @param saltLen * length of master salt. */ void f8_deriveForIV(SrtpSymCrypto* f8Cipher, uint8_t* key, int32_t keyLen, uint8_t* salt, int32_t saltLen); /** * AES F8 mode encryption, in place. * * This method performs the AES F8 encryption, see chapter 4.1.2 * in RFC 3711. * * @param data * Pointer to input and output block, must be dataLen * bytes. * * @param dataLen * Number of bytes to process. * * @param iv * The initialization vector as input to create the cipher stream. * Refer to chapter 4.1.1 in RFC 3711. * * @param f8Cipher * An AES cipher context used to encrypt IV to IV'. */ void f8_encrypt(const uint8_t* data, uint32_t dataLen, uint8_t* iv, SrtpSymCrypto* f8Cipher); /** * AES F8 mode encryption. * * This method performs the AES F8 encryption, see chapter 4.1.2 * in RFC 3711. * * @param data * Pointer to input and output block, must be dataLen * bytes. * * @param dataLen * Number of bytes to process. * * @param out * Pointer to output buffer, must be dataLen bytes. * * @param iv * The initialization vector as input to create the cipher stream. * Refer to chapter 4.1.1 in RFC 3711. * * @param f8Cipher * An AES cipher context used to encrypt IV to IV'. */ void f8_encrypt(const uint8_t* data, uint32_t dataLen, uint8_t* out, uint8_t* iv, SrtpSymCrypto* f8Cipher); private: int processBlock(F8_CIPHER_CTX* f8ctx, const uint8_t* in, int32_t length, uint8_t* out); void* key; int32_t algorithm; }; #pragma GCC visibility push(default) int testF8(); #pragma GCC visibility pop /* Only SrtpSymCrypto functions define the MAKE_F8_TEST */ #ifdef MAKE_F8_TEST #include #include #include #if defined(_MSC_VER) || defined(WIN32) || defined(_WIN32) #include #else #include #endif using namespace std; static void hexdump(const char* title, const unsigned char *s, int l) { int n=0; if (s == NULL) return; fprintf(stderr, "%s",title); for( ; n < l ; ++n) { if((n%16) == 0) fprintf(stderr, "\n%04x",n); fprintf(stderr, " %02x",s[n]); } fprintf(stderr, "\n"); } /* * The F8 test vectors according to RFC3711 */ static unsigned char salt[] = {0x32, 0xf2, 0x87, 0x0d}; static unsigned char iv[] = { 0x00, 0x6e, 0x5c, 0xba, 0x50, 0x68, 0x1d, 0xe5, 0x5c, 0x62, 0x15, 0x99, 0xd4, 0x62, 0x56, 0x4a}; static unsigned char key[]= { 0x23, 0x48, 0x29, 0x00, 0x84, 0x67, 0xbe, 0x18, 0x6c, 0x3d, 0xe1, 0x4a, 0xae, 0x72, 0xd6, 0x2c}; static unsigned char payload[] = { 0x70, 0x73, 0x65, 0x75, 0x64, 0x6f, 0x72, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x6e, 0x65, 0x73, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x6e, 0x65, 0x78, 0x74, 0x20, 0x62, 0x65, 0x73, 0x74, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67}; // 39 bytes static unsigned char cipherText[] = { 0x01, 0x9c, 0xe7, 0xa2, 0x6e, 0x78, 0x54, 0x01, 0x4a, 0x63, 0x66, 0xaa, 0x95, 0xd4, 0xee, 0xfd, 0x1a, 0xd4, 0x17, 0x2a, 0x14, 0xf9, 0xfa, 0xf4, 0x55, 0xb7, 0xf1, 0xd4, 0xb6, 0x2b, 0xd0, 0x8f, 0x56, 0x2c, 0x0e, 0xef, 0x7c, 0x48, 0x02}; // 39 bytes // static unsigned char rtpPacketHeader[] = { // 0x80, 0x6e, 0x5c, 0xba, 0x50, 0x68, 0x1d, 0xe5, // 0x5c, 0x62, 0x15, 0x99}; static unsigned char rtpPacket[] = { 0x80, 0x6e, 0x5c, 0xba, 0x50, 0x68, 0x1d, 0xe5, 0x5c, 0x62, 0x15, 0x99, // header 0x70, 0x73, 0x65, 0x75, 0x64, 0x6f, 0x72, 0x61, // payload 0x6e, 0x64, 0x6f, 0x6d, 0x6e, 0x65, 0x73, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x6e, 0x65, 0x78, 0x74, 0x20, 0x62, 0x65, 0x73, 0x74, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67}; static uint32_t ROC = 0xd462564a; int testF8() { SrtpSymCrypto* aesCipher = new SrtpSymCrypto(SrtpEncryptionAESF8); SrtpSymCrypto* f8AesCipher = new SrtpSymCrypto(SrtpEncryptionAESF8); aesCipher->setNewKey(key, sizeof(key)); /* Create the F8 IV (refer to chapter 4.1.2.2 in RFC 3711): * * IV = 0x00 || M || PT || SEQ || TS || SSRC || ROC * 8Bit 1bit 7bit 16bit 32bit 32bit 32bit * ------------\ /-------------------------------------------------- * XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX */ unsigned char derivedIv[16]; uint32_t* ui32p = (uint32_t*)derivedIv; memcpy(derivedIv, rtpPacket, 12); derivedIv[0] = 0; // set ROC in network order into IV ui32p[3] = htonl(ROC); int32_t pad = 0; if (memcmp(iv, derivedIv, 16) != 0) { cerr << "Wrong IV constructed" << endl; hexdump("derivedIv", derivedIv, 16); hexdump("test vector Iv", iv, 16); return -1; } aesCipher->f8_deriveForIV(f8AesCipher, key, sizeof(key), salt, sizeof(salt)); // now encrypt the RTP payload data aesCipher->f8_encrypt(rtpPacket + 12, sizeof(rtpPacket)-12+pad, derivedIv, f8AesCipher); // compare with test vector cipher data if (memcmp(rtpPacket+12, cipherText, sizeof(rtpPacket)-12+pad) != 0) { cerr << "cipher data mismatch" << endl; hexdump("computed cipher data", rtpPacket+12, sizeof(rtpPacket)-12+pad); hexdump("Test vcetor cipher data", cipherText, sizeof(cipherText)); return -1; } // Now decrypt the data to get the payload data again aesCipher->f8_encrypt(rtpPacket+12, sizeof(rtpPacket)-12+pad, derivedIv, f8AesCipher); // compare decrypted data with test vector payload data if (memcmp(rtpPacket+12, payload, sizeof(rtpPacket)-12+pad) != 0) { cerr << "payload data mismatch" << endl; hexdump("computed payload data", rtpPacket+12, sizeof(rtpPacket)-12+pad); hexdump("Test vector payload data", payload, sizeof(payload)); return -1; } return 0; } #endif /** * @} */ #endif /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/crypto/twofish.c0000664000175000017500000020500711767643350014646 00000000000000/* * Fast, portable, and easy-to-use Twofish implementation, * Version 0.3. * Copyright (c) 2002 by Niels Ferguson. * (See further down for the almost-unrestricted licensing terms.) * * -------------------------------------------------------------------------- * There are two files for this implementation: * - twofish.h, the header file. * - twofish.c, the code file. * * To incorporate this code into your program you should: * - Check the licensing terms further down in this comment. * - Fix the two type definitions in twofish.h to suit your platform. * - Fix a few definitions in twofish.c in the section marked * PLATFORM FIXES. There is one important ones that affects * functionality, and then a few definitions that you can optimise * for efficiency but those have no effect on the functionality. * Don't change anything else. * - Put the code in your project and compile it. * * To use this library you should: * - Call Twofish_initialise() in your program before any other function in * this library. * - Use Twofish_prepare_key(...) to convert a key to internal form. * - Use Twofish_encrypt(...) and Twofish_decrypt(...) to encrypt and decrypt * data. * See the comments in the header file for details on these functions. * -------------------------------------------------------------------------- * * There are many Twofish implementation available for free on the web. * Most of them are hard to integrate into your own program. * As we like people to use our cipher, I thought I would make it easier. * Here is a free and easy-to-integrate Twofish implementation in C. * The latest version is always available from my personal home page at * http://niels.ferguson.net/ * * Integrating library code into a project is difficult because the library * header files interfere with the project's header files and code. * And of course the project's header files interfere with the library code. * I've tried to resolve these problems here. * The header file of this implementation is very light-weight. * It contains two typedefs, a structure, and a few function declarations. * All names it defines start with "Twofish_". * The header file is therefore unlikely to cause problems in your project. * The code file of this implementation doesn't need to include the header * files of the project. There is thus no danger of the project interfering * with all the definitions and macros of the Twofish code. * In most situations, all you need to do is fill in a few platform-specific * definitions in the header file and code file, * and you should be able to run the Twofish code in your project. * I estimate it should take you less than an hour to integrate this code * into your project, most of it spent reading the comments telling you what * to do. * * For people using C++: it is very easy to wrap this library into a * TwofishKey class. One of the big advantages is that you can automate the * wiping of the key material in the destructor. I have not provided a C++ * class because the interface depends too much on the abstract base class * you use for block ciphers in your program, which I don't know about. * * This implementation is designed for use on PC-class machines. It uses the * Twofish 'full' keying option which uses large tables. Total table size is * around 5-6 kB for static tables plus 4.5 kB for each pre-processed key. * If you need an implementation that uses less memory, * take a look at Brian Gladman's code on his web site: * http://fp.gladman.plus.com/cryptography_technology/aes/ * He has code for all AES candidates. * His Twofish code has lots of options trading off table size vs. speed. * You can also take a look at the optimised code by Doug Whiting on the * Twofish web site * http://www.counterpane.com/twofish.html * which has loads of options. * I believe these existing implementations are harder to re-use because they * are not clean libraries and they impose requirements on the environment. * This implementation is very careful to minimise those, * and should be easier to integrate into any larger program. * * The default mode of this implementation is fully portable as it uses no * behaviour not defined in the C standard. (This is harder than you think.) * If you have any problems porting the default mode, please let me know * so that I can fix the problem. (But only if this code is at fault, I * don't fix compilers.) * Most of the platform fixes are related to non-portable but faster ways * of implementing certain functions. * * In general I've tried to make the code as fast as possible, at the expense * of memory and code size. However, C does impose limits, and this * implementation will be slower than an optimised assembler implementation. * But beware of assembler implementations: a good Pentium implementation * uses completely different code than a good Pentium II implementation. * You basically have to re-write the assembly code for every generation of * processor. Unless you are severely pressed for speed, stick with C. * * The initialisation routine of this implementation contains a self-test. * If initialisation succeeds without calling the fatal routine, then * the implementation works. I don't think you can break the implementation * in such a way that it still passes the tests, unless you are malicious. * In other words: if the initialisation routine returns, * you have successfully ported the implementation. * (Or not implemented the fatal routine properly, but that is your problem.) * * I'm indebted to many people who helped me in one way or another to write * this code. During the design of Twofish and the AES process I had very * extensive discussions of all implementation issues with various people. * Doug Whiting in particular provided a wealth of information. The Twofish * team spent untold hours discussion various cipher features, and their * implementation. Brian Gladman implemented all AES candidates in C, * and we had some fruitful discussions on how to implement Twofish in C. * Jan Nieuwenhuizen tested this code on Linux using GCC. * * Now for the license: * The author hereby grants a perpetual license to everybody to * use this code for any purpose as long as the copyright message is included * in the source code of this or any derived work. * * Yes, this means that you, your company, your club, and anyone else * can use this code anywhere you want. You can change it and distribute it * under the GPL, include it in your commercial product without releasing * the source code, put it on the web, etc. * The only thing you cannot do is remove my copyright message, * or distribute any source code based on this implementation that does not * include my copyright message. * * I appreciate a mention in the documentation or credits, * but I understand if that is difficult to do. * I also appreciate it if you tell me where and why you used my code. * * Please send any questions or comments to niels@ferguson.net * * Have Fun! * * Niels */ /* * DISCLAIMER: As I'm giving away my work for free, I'm of course not going * to accept any liability of any form. This code, or the Twofish cipher, * might very well be flawed; you have been warned. * This software is provided as-is, without any kind of warrenty or * guarantee. And that is really all you can expect when you download * code for free from the Internet. * * I think it is really sad that disclaimers like this seem to be necessary. * If people only had a little bit more common sense, and didn't come * whining like little children every time something happens.... */ /* * Version history: * Version 0.0, 2002-08-30 * First written. * Version 0.1, 2002-09-03 * Added disclaimer. Improved self-tests. * Version 0.2, 2002-09-09 * Removed last non-portabilities. Default now works completely within * the C standard. UInt32 can be larger than 32 bits without problems. * Version 0.3, 2002-09-28 * Bugfix: use instead of to adhere to ANSI/ISO. * Rename BIG_ENDIAN macro to CPU_IS_BIG_ENDIAN. The gcc library * header already defines BIG_ENDIAN, even though it is not * supposed to. */ /* * Minimum set of include files. * You should not need any application-specific include files for this code. * In fact, adding you own header files could break one of the many macros or * functions in this file. Be very careful. * Standard include files will probably be ok. */ #include #include #include /* #include * for memset(), memcpy(), and memcmp() */ #include "twofish.h" /* * PLATFORM FIXES * ============== * * Fix the type definitions in twofish.h first! * * The following definitions have to be fixed for each particular platform * you work on. If you have a multi-platform program, you no doubt have * portable definitions that you can substitute here without changing the * rest of the code. */ /* * Function called if something is fatally wrong with the implementation. * This fatal function is called when a coding error is detected in the * Twofish implementation, or when somebody passes an obviously erroneous * parameter to this implementation. There is not much you can do when * the code contains bugs, so we just stop. * * The argument is a string. Ideally the fatal function prints this string * as an error message. Whatever else this function does, it should never * return. A typical implementation would stop the program completely after * printing the error message. * * This default implementation is not very useful, * but does not assume anything about your environment. * It will at least let you know something is wrong.... * I didn't want to include any libraries to print and error or so, * as this makes the code much harder to integrate in a project. * * Note that the Twofish_fatal function may not return to the caller. * Unfortunately this is not something the self-test can test for, * so you have to make sure of this yourself. * * If you want to call an external function, be careful about including * your own header files here. This code uses a lot of macros, and your * header file could easily break it. Maybe the best solution is to use * a separate extern statement for your fatal function. */ /* #define Twofish_fatal(pmsgx) { fprintf(stderr, pmsgx); exit(1); } */ #define Twofish_fatal(pmsgx, code) { return(code); } /* * The rest of the settings are not important for the functionality * of this Twofish implementation. That is, their default settings * work on all platforms. You can change them to improve the * speed of the implementation on your platform. Erroneous settings * will result in erroneous implementations, but the self-test should * catch those. */ /* * Macros to rotate a Twofish_UInt32 value left or right by the * specified number of bits. This should be a 32-bit rotation, * and not rotation of, say, 64-bit values. * * Every encryption or decryption operation uses 32 of these rotations, * so it is a good idea to make these macros efficient. * * This fully portable definition has one piece of tricky stuff. * The UInt32 might be larger than 32 bits, so we have to mask * any higher bits off. The simplest way to do this is to 'and' the * value first with 0xffffffff and then shift it right. An optimising * compiler that has a 32-bit type can optimise this 'and' away. * * Unfortunately there is no portable way of writing the constant * 0xffffffff. You don't know which suffix to use (U, or UL?) * The UINT32_MASK definition uses a bit of trickery. Shift-left * is only defined if the shift amount is strictly less than the size * of the UInt32, so we can't use (1<<32). The answer it to take the value * 2, cast it to a UInt32, shift it left 31 positions, and subtract one. * Another example of how to make something very simple extremely difficult. * I hate C. * * The rotation macros are straightforward. * They are only applied to UInt32 values, which are _unsigned_ * so the >> operator must do a logical shift that brings in zeroes. * On most platforms you will only need to optimise the ROL32 macro; the * ROR32 macro is not inefficient on an optimising compiler as all rotation * amounts in this code are known at compile time. * * On many platforms there is a faster solution. * For example, MS compilers have the __rotl and __rotr functions * that generate x86 rotation instructions. */ #define UINT32_MASK ( (((Twofish_UInt32)2)<<31) - 1 ) #ifndef _MSC_VER #define ROL32(x,n) ( (x)<<(n) | ((x) & UINT32_MASK) >> (32-(n)) ) #define ROR32(x,n) ( (x)>>(n) | ((x) & UINT32_MASK) << (32-(n)) ) #else #define ROL32(x,n) (_lrotl((x), (n))) #define ROR32(x,n) (_lrotr((x), (n))) #endif /* * Select data type for q-table entries. * * Larger entry types cost more memory (1.5 kB), and might be faster * or slower depending on the CPU and compiler details. * * This choice only affects the static data size and the key setup speed. * Functionality, expanded key size, or encryption speed are not affected. * Define to 1 to get large q-table entries. */ #define LARGE_Q_TABLE 0 /* default = 0 */ /* * Method to select a single byte from a UInt32. * WARNING: non-portable code if set; might not work on all platforms. * * Inside the inner loop of Twofish it is necessary to access the 4 * individual bytes of a UInt32. This can be done using either shifts * and masks, or memory accesses. * * Set to 0 to use shift and mask operations for the byte selection. * This is more ALU intensive. It is also fully portable. * * Set to 1 to use memory accesses. The UInt32 is stored in memory and * the individual bytes are read from memory one at a time. * This solution is more memory-intensive, and not fully portable. * It might be faster on your platform, or not. If you use this option, * make sure you set the CPU_IS_BIG_ENDIAN flag appropriately. * * This macro does not affect the conversion of the inputs and outputs * of the cipher. See the CONVERT_USING_CASTS macro for that. */ #define SELECT_BYTE_FROM_UINT32_IN_MEMORY 0 /* default = 0 */ /* * Method used to read the input and write the output. * WARNING: non-portable code if set; might not work on all platforms. * * Twofish operates on 32-bit words. The input to the cipher is * a byte array, as is the output. The portable method of doing the * conversion is a bunch of rotate and mask operations, but on many * platforms it can be done faster using a cast. * This only works if your CPU allows UInt32 accesses to arbitrary Byte * addresses. * * Set to 0 to use the shift and mask operations. This is fully * portable. . * * Set to 1 to use a cast. The Byte * is cast to a UInt32 *, and a * UInt32 is read. If necessary (as indicated by the CPU_IS_BIG_ENDIAN * macro) the byte order in the UInt32 is swapped. The reverse is done * to write the output of the encryption/decryption. Make sure you set * the CPU_IS_BIG_ENDIAN flag appropriately. * This option does not work unless a UInt32 is exactly 32 bits. * * This macro only changes the reading/writing of the plaintext/ciphertext. * See the SELECT_BYTE_FROM_UINT32_IN_MEMORY to affect the way in which * a UInt32 is split into 4 bytes for the S-box selection. */ #define CONVERT_USING_CASTS 0 /* default = 0 */ /* * Endianness switch. * Only relevant if SELECT_BYTE_FROM_UINT32_IN_MEMORY or * CONVERT_USING_CASTS is set. * * Set to 1 on a big-endian machine, and to 0 on a little-endian machine. * Twofish uses the little-endian convention (least significant byte first) * and big-endian machines (using most significant byte first) * have to do a few conversions. * * CAUTION: This code has never been tested on a big-endian machine, * because I don't have access to one. Feedback appreciated. */ #define CPU_IS_BIG_ENDIAN 0 /* * Macro to reverse the order of the bytes in a UInt32. * Used to convert to little-endian on big-endian machines. * This macro is always tested, but only used in the encryption and * decryption if CONVERT_USING_CASTS, and CPU_IS_BIG_ENDIAN * are both set. In other words: this macro is only speed-critical if * both these flags have been set. * * This default definition of SWAP works, but on many platforms there is a * more efficient implementation. */ #define BSWAP(x) ((ROL32((x),8)&0x00ff00ff) | (ROR32((x),8) & 0xff00ff00)) /* * END OF PLATFORM FIXES * ===================== * * You should not have to touch the rest of this file. */ /* * Convert the external type names to some that are easier to use inside * this file. I didn't want to use the names Byte and UInt32 in the * header file, because many programs already define them and using two * conventions at once can be very difficult. * Don't change these definitions! Change the originals * in twofish.h instead. */ /* A Byte must be an unsigned integer, 8 bits long. */ /* typedef Twofish_Byte Byte; */ /* A UInt32 must be an unsigned integer at least 32 bits long. */ /* typedef Twofish_UInt32 UInt32; */ /* * Define a macro ENDIAN_CONVERT. * * We define a macro ENDIAN_CONVERT that performs a BSWAP on big-endian * machines, and is the identity function on little-endian machines. * The code then uses this macro without considering the endianness. */ #if CPU_IS_BIG_ENDIAN #define ENDIAN_CONVERT(x) BSWAP(x) #else #define ENDIAN_CONVERT(x) (x) #endif /* * Compute byte offset within a UInt32 stored in memory. * * This is only used when SELECT_BYTE_FROM_UINT32_IN_MEMORY is set. * * The input is the byte number 0..3, 0 for least significant. * Note the use of sizeof() to support UInt32 types that are larger * than 4 bytes. */ #if CPU_IS_BIG_ENDIAN #define BYTE_OFFSET( n ) (sizeof(Twofish_UInt32) - 1 - (n) ) #else #define BYTE_OFFSET( n ) (n) #endif /* * Macro to get Byte no. b from UInt32 value X. * We use two different definition, depending on the settings. */ #if SELECT_BYTE_FROM_UINT32_IN_MEMORY /* Pick the byte from the memory in which X is stored. */ #define SELECT_BYTE( X, b ) (((Twofish_Byte *)(&(X)))[BYTE_OFFSET(b)]) #else /* Portable solution: Pick the byte directly from the X value. */ #define SELECT_BYTE( X, b ) (((X) >> (8*(b))) & 0xff) #endif /* Some shorthands because we use byte selection in large formulae. */ #define b0(X) SELECT_BYTE((X),0) #define b1(X) SELECT_BYTE((X),1) #define b2(X) SELECT_BYTE((X),2) #define b3(X) SELECT_BYTE((X),3) /* * We need macros to load and store UInt32 from/to byte arrays * using the least-significant-byte-first convention. * * GET32( p ) gets a UInt32 in lsb-first form from four bytes pointed to * by p. * PUT32( v, p ) writes the UInt32 value v at address p in lsb-first form. */ #if CONVERT_USING_CASTS /* Get UInt32 from four bytes pointed to by p. */ #define GET32( p ) ENDIAN_CONVERT( *((Twofish_UInt32 *)(p)) ) /* Put UInt32 into four bytes pointed to by p */ #define PUT32( v, p ) *((Twofish_UInt32 *)(p)) = ENDIAN_CONVERT(v) #else /* Get UInt32 from four bytes pointed to by p. */ #define GET32( p ) \ ( \ (Twofish_UInt32)((p)[0]) \ | (Twofish_UInt32)((p)[1])<< 8 \ | (Twofish_UInt32)((p)[2])<<16 \ | (Twofish_UInt32)((p)[3])<<24 \ ) /* Put UInt32 into four bytes pointed to by p */ #define PUT32( v, p ) \ (p)[0] = (Twofish_Byte)(((v) ) & 0xff); \ (p)[1] = (Twofish_Byte)(((v) >> 8) & 0xff); \ (p)[2] = (Twofish_Byte)(((v) >> 16) & 0xff); \ (p)[3] = (Twofish_Byte)(((v) >> 24) & 0xff) #endif /* * Test the platform-specific macros. * This function tests the macros defined so far to make sure the * definitions are appropriate for this platform. * If you make any mistake in the platform configuration, this should detect * that and inform you what went wrong. * Somewhere, someday, this is going to save somebody a lot of time, * because misbehaving macros are hard to debug. */ static int test_platform() { /* Buffer with test values. */ Twofish_Byte buf[] = {0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0}; Twofish_UInt32 C; Twofish_UInt32 x,y; int i; /* * Some sanity checks on the types that can't be done in compile time. * A smart compiler will just optimise these tests away. * The pre-processor doesn't understand different types, so we cannot * do these checks in compile-time. * * I hate C. * * The first check in each case is to make sure the size is correct. * The second check is to ensure that it is an unsigned type. */ if( ((Twofish_UInt32)((Twofish_UInt32)1 << 31) == 0) || ((Twofish_UInt32)-1 < 0 )) { Twofish_fatal( "Twofish code: Twofish_UInt32 type not suitable", ERR_UINT32 ); } if( (sizeof( Twofish_Byte ) != 1) || (((Twofish_Byte)-1) < 0) ) { Twofish_fatal( "Twofish code: Twofish_Byte type not suitable", ERR_BYTE ); } /* * Sanity-check the endianness conversions. * This is just an aid to find problems. If you do the endianness * conversion macros wrong you will fail the full cipher test, * but that does not help you find the error. * Always make it easy to find the bugs! * * Detail: There is no fully portable way of writing UInt32 constants, * as you don't know whether to use the U or UL suffix. Using only U you * might only be allowed 16-bit constants. Using UL you might get 64-bit * constants which cannot be stored in a UInt32 without warnings, and * which generally behave subtly different from a true UInt32. * As long as we're just comparing with the constant, * we can always use the UL suffix and at worst lose some efficiency. * I use a separate '32-bit constant' macro in most of my other code. * * I hate C. * * Start with testing GET32. We test it on all positions modulo 4 * to make sure we can handly any position of inputs. (Some CPUs * do not allow non-aligned accesses which we would do if you used * the CONVERT_USING_CASTS option. */ if( (GET32( buf ) != 0x78563412UL) || (GET32(buf+1) != 0x9a785634UL) || (GET32( buf+2 ) != 0xbc9a7856UL) || (GET32(buf+3) != 0xdebc9a78UL) ) { Twofish_fatal( "Twofish code: GET32 not implemented properly", ERR_GET32 ); } /* * We can now use GET32 to test PUT32. * We don't test the shifted versions. If GET32 can do that then * so should PUT32. */ C = GET32( buf ); PUT32( 3*C, buf ); if( GET32( buf ) != 0x69029c36UL ) { Twofish_fatal( "Twofish code: PUT32 not implemented properly", ERR_PUT32 ); } /* Test ROL and ROR */ for( i=1; i<32; i++ ) { /* Just a simple test. */ x = ROR32( C, i ); y = ROL32( C, i ); x ^= (C>>i) ^ (C<<(32-i)); /*y ^= (C<>(32-i)); */ y ^= (C<>(32-i)); x |= y; /* * Now all we check is that x is zero in the least significant * 32 bits. Using the UL suffix is safe here, as it doesn't matter * if we get a larger type. */ if( (x & 0xffffffffUL) != 0 ) { Twofish_fatal( "Twofish ROL or ROR not properly defined.", ERR_ROLR ); } } /* Test the BSWAP macro */ if( BSWAP(C) != 0x12345678UL ) { /* * The BSWAP macro should always work, even if you are not using it. * A smart optimising compiler will just remove this entire test. */ Twofish_fatal( "BSWAP not properly defined.", ERR_BSWAP ); } /* And we can test the b macros which use SELECT_BYTE. */ if( (b0(C)!=0x12) || (b1(C) != 0x34) || (b2(C) != 0x56) || (b3(C) != 0x78) ) { /* * There are many reasons why this could fail. * Most likely is that CPU_IS_BIG_ENDIAN has the wrong value. */ Twofish_fatal( "Twofish code: SELECT_BYTE not implemented properly", ERR_SELECTB ); } return SUCCESS; } /* * Finally, we can start on the Twofish-related code. * You really need the Twofish specifications to understand this code. The * best source is the Twofish book: * "The Twofish Encryption Algorithm", by Bruce Schneier, John Kelsey, * Doug Whiting, David Wagner, Chris Hall, and Niels Ferguson. * you can also use the AES submission document of Twofish, which is * available from my list of publications on my personal web site at * http://niels.ferguson.net/. * * The first thing we do is write the testing routines. This is what the * implementation has to satisfy in the end. We only test the external * behaviour of the implementation of course. */ /* * Perform a single self test on a (plaintext,ciphertext,key) triple. * Arguments: * key array of key bytes * key_len length of key in bytes * p plaintext * c ciphertext */ static int test_vector( Twofish_Byte key[], int key_len, Twofish_Byte p[16], Twofish_Byte c[16] ) { Twofish_Byte tmp[16]; /* scratch pad. */ Twofish_key xkey; /* The expanded key */ int i; /* Prepare the key */ if ((i = Twofish_prepare_key( key, key_len, &xkey)) < 0) return i; /* * We run the test twice to ensure that the xkey structure * is not damaged by the first encryption. * Those are hideous bugs to find if you get them in an application. */ for( i=0; i<2; i++ ) { /* Encrypt and test */ Twofish_encrypt( &xkey, p, tmp ); if( memcmp( c, tmp, 16 ) != 0 ) { Twofish_fatal( "Twofish encryption failure", ERR_TEST_ENC ); } /* Decrypt and test */ Twofish_decrypt( &xkey, c, tmp ); if( memcmp( p, tmp, 16 ) != 0 ) { Twofish_fatal( "Twofish decryption failure", ERR_TEST_DEC ); } } /* The test keys are not secret, so we don't need to wipe xkey. */ return SUCCESS; } /* * Check implementation using three (key,plaintext,ciphertext) * test vectors, one for each major key length. * * This is an absolutely minimal self-test. * This routine does not test odd-sized keys. */ static int test_vectors() { /* * We run three tests, one for each major key length. * These test vectors come from the Twofish specification. * One encryption and one decryption using randomish data and key * will detect almost any error, especially since we generate the * tables ourselves, so we don't have the problem of a single * damaged table entry in the source. */ /* 128-bit test is the I=3 case of section B.2 of the Twofish book. */ static Twofish_Byte k128[] = { 0x9F, 0x58, 0x9F, 0x5C, 0xF6, 0x12, 0x2C, 0x32, 0xB6, 0xBF, 0xEC, 0x2F, 0x2A, 0xE8, 0xC3, 0x5A, }; static Twofish_Byte p128[] = { 0xD4, 0x91, 0xDB, 0x16, 0xE7, 0xB1, 0xC3, 0x9E, 0x86, 0xCB, 0x08, 0x6B, 0x78, 0x9F, 0x54, 0x19 }; static Twofish_Byte c128[] = { 0x01, 0x9F, 0x98, 0x09, 0xDE, 0x17, 0x11, 0x85, 0x8F, 0xAA, 0xC3, 0xA3, 0xBA, 0x20, 0xFB, 0xC3 }; /* 192-bit test is the I=4 case of section B.2 of the Twofish book. */ static Twofish_Byte k192[] = { 0x88, 0xB2, 0xB2, 0x70, 0x6B, 0x10, 0x5E, 0x36, 0xB4, 0x46, 0xBB, 0x6D, 0x73, 0x1A, 0x1E, 0x88, 0xEF, 0xA7, 0x1F, 0x78, 0x89, 0x65, 0xBD, 0x44 }; static Twofish_Byte p192[] = { 0x39, 0xDA, 0x69, 0xD6, 0xBA, 0x49, 0x97, 0xD5, 0x85, 0xB6, 0xDC, 0x07, 0x3C, 0xA3, 0x41, 0xB2 }; static Twofish_Byte c192[] = { 0x18, 0x2B, 0x02, 0xD8, 0x14, 0x97, 0xEA, 0x45, 0xF9, 0xDA, 0xAC, 0xDC, 0x29, 0x19, 0x3A, 0x65 }; /* 256-bit test is the I=4 case of section B.2 of the Twofish book. */ static Twofish_Byte k256[] = { 0xD4, 0x3B, 0xB7, 0x55, 0x6E, 0xA3, 0x2E, 0x46, 0xF2, 0xA2, 0x82, 0xB7, 0xD4, 0x5B, 0x4E, 0x0D, 0x57, 0xFF, 0x73, 0x9D, 0x4D, 0xC9, 0x2C, 0x1B, 0xD7, 0xFC, 0x01, 0x70, 0x0C, 0xC8, 0x21, 0x6F }; static Twofish_Byte p256[] = { 0x90, 0xAF, 0xE9, 0x1B, 0xB2, 0x88, 0x54, 0x4F, 0x2C, 0x32, 0xDC, 0x23, 0x9B, 0x26, 0x35, 0xE6 }; static Twofish_Byte c256[] = { 0x6C, 0xB4, 0x56, 0x1C, 0x40, 0xBF, 0x0A, 0x97, 0x05, 0x93, 0x1C, 0xB6, 0xD4, 0x08, 0xE7, 0xFA }; int ret; /* Run the actual tests. */ if ((ret = test_vector( k128, 16, p128, c128 )) < 0) return ret; if ((ret = test_vector( k192, 24, p192, c192 )) < 0) return ret; if ((ret = test_vector( k256, 32, p256, c256 )) < 0) return ret; return SUCCESS; } /* * Perform extensive test for a single key size. * * Test a single key size against the test vectors from section * B.2 in the Twofish book. This is a sequence of 49 encryptions * and decryptions. Each plaintext is equal to the ciphertext of * the previous encryption. The key is made up from the ciphertext * two and three encryptions ago. Both plaintext and key start * at the zero value. * We should have designed a cleaner recurrence relation for * these tests, but it is too late for that now. At least we learned * how to do it better next time. * For details see appendix B of the book. * * Arguments: * key_len Number of bytes of key * final_value Final plaintext value after 49 iterations */ static int test_sequence( int key_len, Twofish_Byte final_value[] ) { Twofish_Byte buf[ (50+3)*16 ]; /* Buffer to hold our computation values. */ Twofish_Byte tmp[16]; /* Temp for testing the decryption. */ Twofish_key xkey; /* The expanded key */ int i, ret; Twofish_Byte * p; /* Wipe the buffer */ memset( buf, 0, sizeof( buf ) ); /* * Because the recurrence relation is done in an inconvenient manner * we end up looping backwards over the buffer. */ /* Pointer in buffer points to current plaintext. */ p = &buf[50*16]; for( i=1; i<50; i++ ) { /* * Prepare a key. * This automatically checks that key_len is valid. */ if ((ret = Twofish_prepare_key( p+16, key_len, &xkey)) < 0) return ret; /* Compute the next 16 bytes in the buffer */ Twofish_encrypt( &xkey, p, p-16 ); /* Check that the decryption is correct. */ Twofish_decrypt( &xkey, p-16, tmp ); if( memcmp( tmp, p, 16 ) != 0 ) { Twofish_fatal( "Twofish decryption failure in sequence", ERR_SEQ_DEC ); } /* Move on to next 16 bytes in the buffer. */ p -= 16; } /* And check the final value. */ if( memcmp( p, final_value, 16 ) != 0 ) { Twofish_fatal( "Twofish encryption failure in sequence", ERR_SEQ_ENC ); } /* None of the data was secret, so there is no need to wipe anything. */ return SUCCESS; } /* * Run all three sequence tests from the Twofish test vectors. * * This checks the most extensive test vectors currently available * for Twofish. The data is from the Twofish book, appendix B.2. */ static int test_sequences() { static Twofish_Byte r128[] = { 0x5D, 0x9D, 0x4E, 0xEF, 0xFA, 0x91, 0x51, 0x57, 0x55, 0x24, 0xF1, 0x15, 0x81, 0x5A, 0x12, 0xE0 }; static Twofish_Byte r192[] = { 0xE7, 0x54, 0x49, 0x21, 0x2B, 0xEE, 0xF9, 0xF4, 0xA3, 0x90, 0xBD, 0x86, 0x0A, 0x64, 0x09, 0x41 }; static Twofish_Byte r256[] = { 0x37, 0xFE, 0x26, 0xFF, 0x1C, 0xF6, 0x61, 0x75, 0xF5, 0xDD, 0xF4, 0xC3, 0x3B, 0x97, 0xA2, 0x05 }; /* Run the three sequence test vectors */ int ret; if ((ret = test_sequence( 16, r128)) < 0) return ret; if ((ret = test_sequence( 24, r192)) < 0) return ret; if ((ret = test_sequence( 32, r256)) < 0) return ret; return SUCCESS; } /* * Test the odd-sized keys. * * Every odd-sized key is equivalent to a one of 128, 192, or 256 bits. * The equivalent key is found by padding at the end with zero bytes * until a regular key size is reached. * * We just test that the key expansion routine behaves properly. * If the expanded keys are identical, then the encryptions and decryptions * will behave the same. */ static int test_odd_sized_keys() { Twofish_Byte buf[32]; Twofish_key xkey; Twofish_key xkey_two; int i, ret; /* * We first create an all-zero key to use as PRNG key. * Normally we would not have to fill the buffer with zeroes, as we could * just pass a zero key length to the Twofish_prepare_key function. * However, this relies on using odd-sized keys, and those are just the * ones we are testing here. We can't use an untested function to test * itself. */ memset( buf, 0, sizeof( buf ) ); if ((ret = Twofish_prepare_key( buf, 16, &xkey)) < 0) return ret; /* Fill buffer with pseudo-random data derived from two encryptions */ Twofish_encrypt( &xkey, buf, buf ); Twofish_encrypt( &xkey, buf, buf+16 ); /* Create all possible shorter keys that are prefixes of the buffer. */ for( i=31; i>=0; i-- ) { /* Set a byte to zero. This is the new padding byte */ buf[i] = 0; /* Expand the key with only i bytes of length */ if ((ret = Twofish_prepare_key( buf, i, &xkey)) < 0) return ret; /* Expand the corresponding padded key of regular length */ if ((ret = Twofish_prepare_key( buf, i<=16 ? 16 : (i<= 24 ? 24 : 32), &xkey_two )) < 0) return ret; /* Compare the two */ if( memcmp( &xkey, &xkey_two, sizeof( xkey ) ) != 0 ) { Twofish_fatal( "Odd sized keys do not expand properly", ERR_ODD_KEY ); } } /* None of the key values are secret, so we don't need to wipe them. */ return SUCCESS; } /* * Test the Twofish implementation. * * This routine runs all the self tests, in order of importance. * It is called by the Twofish_initialise routine. * * In almost all applications the cost of running the self tests during * initialisation is insignificant, especially * compared to the time it takes to load the application from disk. * If you are very pressed for initialisation performance, * you could remove some of the tests. Make sure you did run them * once in the software and hardware configuration you are using. */ static int self_test() { int ret; /* The three test vectors form an absolute minimal test set. */ if ((ret = test_vectors()) < 0) return ret; /* * If at all possible you should run these tests too. They take * more time, but provide a more thorough coverage. */ if ((ret = test_sequences()) < 0) return ret; /* Test the odd-sized keys. */ if ((ret = test_odd_sized_keys()) < 0) return ret; return SUCCESS; } /* * And now, the actual Twofish implementation. * * This implementation generates all the tables during initialisation. * I don't like large tables in the code, especially since they are easily * damaged in the source without anyone noticing it. You need code to * generate them anyway, and this way all the code is close together. * Generating them in the application leads to a smaller executable * (the code is smaller than the tables it generates) and a * larger static memory footprint. * * Twofish can be implemented in many ways. I have chosen to * use large tables with a relatively long key setup time. * If you encrypt more than a few blocks of data it pays to pre-compute * as much as possible. This implementation is relatively inefficient for * applications that need to re-key every block or so. */ /* * We start with the t-tables, directly from the Twofish definition. * These are nibble-tables, but merging them and putting them two nibbles * in one byte is more work than it is worth. */ static Twofish_Byte t_table[2][4][16] = { { {0x8,0x1,0x7,0xD,0x6,0xF,0x3,0x2,0x0,0xB,0x5,0x9,0xE,0xC,0xA,0x4}, {0xE,0xC,0xB,0x8,0x1,0x2,0x3,0x5,0xF,0x4,0xA,0x6,0x7,0x0,0x9,0xD}, {0xB,0xA,0x5,0xE,0x6,0xD,0x9,0x0,0xC,0x8,0xF,0x3,0x2,0x4,0x7,0x1}, {0xD,0x7,0xF,0x4,0x1,0x2,0x6,0xE,0x9,0xB,0x3,0x0,0x8,0x5,0xC,0xA} }, { {0x2,0x8,0xB,0xD,0xF,0x7,0x6,0xE,0x3,0x1,0x9,0x4,0x0,0xA,0xC,0x5}, {0x1,0xE,0x2,0xB,0x4,0xC,0x3,0x7,0x6,0xD,0xA,0x5,0xF,0x9,0x0,0x8}, {0x4,0xC,0x7,0x5,0x1,0x6,0x9,0xA,0x0,0xE,0xD,0x8,0x2,0xB,0x3,0xF}, {0xB,0x9,0x5,0x1,0xC,0x3,0xD,0xE,0x6,0x4,0x7,0xF,0x2,0x0,0x8,0xA} } }; /* A 1-bit rotation of 4-bit values. Input must be in range 0..15 */ #define ROR4BY1( x ) (((x)>>1) | (((x)<<3) & 0x8) ) /* * The q-boxes are only used during the key schedule computations. * These are 8->8 bit lookup tables. Some CPUs prefer to have 8->32 bit * lookup tables as it is faster to load a 32-bit value than to load an * 8-bit value and zero the rest of the register. * The LARGE_Q_TABLE switch allows you to choose 32-bit entries in * the q-tables. Here we just define the Qtype which is used to store * the entries of the q-tables. */ #if LARGE_Q_TABLE typedef Twofish_UInt32 Qtype; #else typedef Twofish_Byte Qtype; #endif /* * The actual q-box tables. * There are two q-boxes, each having 256 entries. */ static Qtype q_table[2][256]; /* * Now the function that converts a single t-table into a q-table. * * Arguments: * t[4][16] : four 4->4bit lookup tables that define the q-box * q[256] : output parameter: the resulting q-box as a lookup table. */ static void make_q_table( Twofish_Byte t[4][16], Qtype q[256] ) { int ae,be,ao,bo; /* Some temporaries. */ int i; /* Loop over all input values and compute the q-box result. */ for( i=0; i<256; i++ ) { /* * This is straight from the Twofish specifications. * * The ae variable is used for the a_i values from the specs * with even i, and ao for the odd i's. Similarly for the b's. */ ae = i>>4; be = i&0xf; ao = ae ^ be; bo = ae ^ ROR4BY1(be) ^ ((ae<<3)&8); ae = t[0][ao]; be = t[1][bo]; ao = ae ^ be; bo = ae ^ ROR4BY1(be) ^ ((ae<<3)&8); ae = t[2][ao]; be = t[3][bo]; /* Store the result in the q-box table, the cast avoids a warning. */ q[i] = (Qtype) ((be<<4) | ae); } } /* * Initialise both q-box tables. */ static void initialise_q_boxes() { /* Initialise each of the q-boxes using the t-tables */ make_q_table( t_table[0], q_table[0] ); make_q_table( t_table[1], q_table[1] ); } /* * Next up is the MDS matrix multiplication. * The MDS matrix multiplication operates in the field * GF(2)[x]/p(x) with p(x)=x^8+x^6+x^5+x^3+1. * If you don't understand this, read a book on finite fields. You cannot * follow the finite-field computations without some background. * * In this field, multiplication by x is easy: shift left one bit * and if bit 8 is set then xor the result with 0x169. * * The MDS coefficients use a multiplication by 1/x, * or rather a division by x. This is easy too: first make the * value 'even' (i.e. bit 0 is zero) by xorring with 0x169 if necessary, * and then shift right one position. * Even easier: shift right and xor with 0xb4 if the lsbit was set. * * The MDS coefficients are 1, EF, and 5B, and we use the fact that * EF = 1 + 1/x + 1/x^2 * 5B = 1 + 1/x^2 * in this field. This makes multiplication by EF and 5B relatively easy. * * This property is no accident, the MDS matrix was designed to allow * this implementation technique to be used. * * We have four MDS tables, each mapping 8 bits to 32 bits. * Each table performs one column of the matrix multiplication. * As the MDS is always preceded by q-boxes, each of these tables * also implements the q-box just previous to that column. */ /* The actual MDS tables. */ static Twofish_UInt32 MDS_table[4][256]; /* A small table to get easy conditional access to the 0xb4 constant. */ static Twofish_UInt32 mds_poly_divx_const[] = {0,0xb4}; /* Function to initialise the MDS tables. */ static void initialise_mds_tables() { int i; Twofish_UInt32 q,qef,q5b; /* Temporary variables. */ /* Loop over all 8-bit input values */ for( i=0; i<256; i++ ) { /* * To save some work during the key expansion we include the last * of the q-box layers from the h() function in these MDS tables. */ /* We first do the inputs that are mapped through the q0 table. */ q = q_table[0][i]; /* * Here we divide by x, note the table to get 0xb4 only if the * lsbit is set. * This sets qef = (1/x)*q in the finite field */ qef = (q >> 1) ^ mds_poly_divx_const[ q & 1 ]; /* * Divide by x again, and add q to get (1+1/x^2)*q. * Note that (1+1/x^2) = 5B in the field, and addition in the field * is exclusive or on the bits. */ q5b = (qef >> 1) ^ mds_poly_divx_const[ qef & 1 ] ^ q; /* * Add q5b to qef to set qef = (1+1/x+1/x^2)*q. * Again, (1+1/x+1/x^2) = EF in the field. */ qef ^= q5b; /* * Now that we have q5b = 5B * q and qef = EF * q * we can fill two of the entries in the MDS matrix table. * See the Twofish specifications for the order of the constants. */ MDS_table[1][i] = (q <<24) | (q5b<<16) | (qef<<8) | qef; MDS_table[3][i] = (q5b<<24) | (qef<<16) | (q <<8) | q5b; /* Now we do it all again for the two columns that have a q1 box. */ q = q_table[1][i]; qef = (q >> 1) ^ mds_poly_divx_const[ q & 1 ]; q5b = (qef >> 1) ^ mds_poly_divx_const[ qef & 1 ] ^ q; qef ^= q5b; /* The other two columns use the coefficient in a different order. */ MDS_table[0][i] = (qef<<24) | (qef<<16) | (q5b<<8) | q ; MDS_table[2][i] = (qef<<24) | (q <<16) | (qef<<8) | q5b; } } /* * The h() function is the heart of the Twofish cipher. * It is a complicated sequence of q-box lookups, key material xors, * and finally the MDS matrix. * We use lots of macros to make this reasonably fast. */ /* First a shorthand for the two q-tables */ #define q0 q_table[0] #define q1 q_table[1] /* * Each macro computes one column of the h for either 2, 3, or 4 stages. * As there are 4 columns, we have 12 macros in all. * * The key bytes are stored in the Byte array L at offset * 0,1,2,3, 8,9,10,11, [16,17,18,19, [24,25,26,27]] as this is the * order we get the bytes from the user. If you look at the Twofish * specs, you'll see that h() is applied to the even key words or the * odd key words. The bytes of the even words appear in this spacing, * and those of the odd key words too. * * These macros are the only place where the q-boxes and the MDS table * are used. */ #define H02( y, L ) MDS_table[0][q0[q0[y]^L[ 8]]^L[0]] #define H12( y, L ) MDS_table[1][q0[q1[y]^L[ 9]]^L[1]] #define H22( y, L ) MDS_table[2][q1[q0[y]^L[10]]^L[2]] #define H32( y, L ) MDS_table[3][q1[q1[y]^L[11]]^L[3]] #define H03( y, L ) H02( q1[y]^L[16], L ) #define H13( y, L ) H12( q1[y]^L[17], L ) #define H23( y, L ) H22( q0[y]^L[18], L ) #define H33( y, L ) H32( q0[y]^L[19], L ) #define H04( y, L ) H03( q1[y]^L[24], L ) #define H14( y, L ) H13( q0[y]^L[25], L ) #define H24( y, L ) H23( q0[y]^L[26], L ) #define H34( y, L ) H33( q1[y]^L[27], L ) /* * Now we can define the h() function given an array of key bytes. * This function is only used in the key schedule, and not to pre-compute * the keyed S-boxes. * * In the key schedule, the input is always of the form k*(1+2^8+2^16+2^24) * so we only provide k as an argument. * * Arguments: * k input to the h() function. * L pointer to array of key bytes at * offsets 0,1,2,3, ... 8,9,10,11, [16,17,18,19, [24,25,26,27]] * kCycles # key cycles, 2, 3, or 4. */ static Twofish_UInt32 h( int k, Twofish_Byte L[], int kCycles ) { switch( kCycles ) { /* We code all 3 cases separately for speed reasons. */ case 2: return H02(k,L) ^ H12(k,L) ^ H22(k,L) ^ H32(k,L); case 3: return H03(k,L) ^ H13(k,L) ^ H23(k,L) ^ H33(k,L); case 4: return H04(k,L) ^ H14(k,L) ^ H24(k,L) ^ H34(k,L); default: /* This is always a coding error, which is fatal. */ Twofish_fatal( "Twofish h(): Illegal argument", ERR_ILL_ARG ); return ERR_ILL_ARG; } } /* * Pre-compute the keyed S-boxes. * Fill the pre-computed S-box array in the expanded key structure. * Each pre-computed S-box maps 8 bits to 32 bits. * * The S argument contains half the number of bytes of the full key, but is * derived from the full key. (See Twofish specifications for details.) * S has the weird byte input order used by the Hxx macros. * * This function takes most of the time of a key expansion. * * Arguments: * S pointer to array of 8*kCycles Bytes containing the S vector. * kCycles number of key words, must be in the set {2,3,4} * xkey pointer to Twofish_key structure that will contain the S-boxes. */ static int fill_keyed_sboxes( Twofish_Byte S[], int kCycles, Twofish_key * xkey ) { int i; switch( kCycles ) { /* We code all 3 cases separately for speed reasons. */ case 2: for( i=0; i<256; i++ ) { xkey->s[0][i]= H02( i, S ); xkey->s[1][i]= H12( i, S ); xkey->s[2][i]= H22( i, S ); xkey->s[3][i]= H32( i, S ); } break; case 3: for( i=0; i<256; i++ ) { xkey->s[0][i]= H03( i, S ); xkey->s[1][i]= H13( i, S ); xkey->s[2][i]= H23( i, S ); xkey->s[3][i]= H33( i, S ); } break; case 4: for( i=0; i<256; i++ ) { xkey->s[0][i]= H04( i, S ); xkey->s[1][i]= H14( i, S ); xkey->s[2][i]= H24( i, S ); xkey->s[3][i]= H34( i, S ); } break; default: /* This is always a coding error, which is fatal. */ Twofish_fatal( "Twofish fill_keyed_sboxes(): Illegal argument", ERR_ILL_ARG ); } return SUCCESS; } /* A flag to keep track of whether we have been initialised or not. */ static int Twofish_initialised = 0; /* * Initialise the Twofish implementation. * This function must be called before any other function in the * Twofish implementation is called. * This routine also does some sanity checks, to make sure that * all the macros behave, and it tests the whole cipher. */ int Twofish_initialise() { int ret; /* First test the various platform-specific definitions. */ if ((ret = test_platform()) < 0) return ret; /* We can now generate our tables, in the right order of course. */ initialise_q_boxes(); initialise_mds_tables(); /* We're finished with the initialisation itself. */ Twofish_initialised = 1; /* * And run some tests on the whole cipher. * Yes, you need to do this every time you start your program. * It is called assurance; you have to be certain that your program * still works properly. */ return self_test(); } /* * The Twofish key schedule uses an Reed-Solomon code matrix multiply. * Just like the MDS matrix, the RS-matrix is designed to be easy * to implement. Details are below in the code. * * These constants make it easy to compute in the finite field used * for the RS code. * * We use Bytes for the RS computation, but these are automatically * widened to unsigned integers in the expressions. Having unsigned * ints in these tables therefore provides the fastest access. */ static unsigned int rs_poly_const[] = {0, 0x14d}; static unsigned int rs_poly_div_const[] = {0, 0xa6 }; /* * Prepare a key for use in encryption and decryption. * Like most block ciphers, Twofish allows the key schedule * to be pre-computed given only the key. * Twofish has a fairly 'heavy' key schedule that takes a lot of time * to compute. The main work is pre-computing the S-boxes used in the * encryption and decryption. We feel that this makes the cipher much * harder to attack. The attacker doesn't even know what the S-boxes * contain without including the entire key schedule in the analysis. * * Unlike most Twofish implementations, this one allows any key size from * 0 to 32 bytes. Odd key sizes are defined for Twofish (see the * specifications); the key is simply padded with zeroes to the next real * key size of 16, 24, or 32 bytes. * Each odd-sized key is thus equivalent to a single normal-sized key. * * Arguments: * key array of key bytes * key_len number of bytes in the key, must be in the range 0,...,32. * xkey Pointer to an Twofish_key structure that will be filled * with the internal form of the cipher key. */ int Twofish_prepare_key( Twofish_Byte key[], int key_len, Twofish_key * xkey ) { /* We use a single array to store all key material in, * to simplify the wiping of the key material at the end. * The first 32 bytes contain the actual (padded) cipher key. * The next 32 bytes contain the S-vector in its weird format, * and we have 4 bytes of overrun necessary for the RS-reduction. */ Twofish_Byte K[32+32+4]; int kCycles; /* # key cycles, 2,3, or 4. */ int i; Twofish_UInt32 A, B; /* Used to compute the round keys. */ Twofish_Byte * kptr; /* Three pointers for the RS computation. */ Twofish_Byte * sptr; Twofish_Byte * t; Twofish_Byte b,bx,bxx; /* Some more temporaries for the RS computation. */ /* Check that the Twofish implementation was initialised. */ if( Twofish_initialised == 0 ) { /* * You didn't call Twofish_initialise before calling this routine. * This is a programming error, and therefore we call the fatal * routine. * * I could of course call the initialisation routine here, * but there are a few reasons why I don't. First of all, the * self-tests have to be done at startup. It is no good to inform * the user that the cipher implementation fails when he wants to * write his data to disk in encrypted form. You have to warn him * before he spends time typing his data. Second, the initialisation * and self test are much slower than a single key expansion. * Calling the initialisation here makes the performance of the * cipher unpredictable. This can lead to really weird problems * if you use the cipher for a real-time task. Suddenly it fails * once in a while the first time you try to use it. Things like * that are almost impossible to debug. */ /* Twofish_fatal( "Twofish implementation was not initialised.", ERR_INIT ); */ /* * There is always a danger that the Twofish_fatal routine returns, * in spite of the specifications that it should not. * (A good programming rule: don't trust the rest of the code.) * This would be disasterous. If the q-tables and MDS-tables have * not been initialised, they are probably still filled with zeroes. * Suppose the MDS-tables are all zero. The key expansion would then * generate all-zero round keys, and all-zero s-boxes. The danger * is that nobody would notice as the encry * mangles the input, and the decryption still 'decrypts' it, * but now in a completely key-independent manner. * To stop such security disasters, we use blunt force. * If your program hangs here: fix the fatal routine! */ for(;;); /* Infinite loop, which beats being insecure. */ } /* Check for valid key length. */ if( key_len < 0 || key_len > 32 ) { /* * This can only happen if a programmer didn't read the limitations * on the key size. */ Twofish_fatal( "Twofish_prepare_key: illegal key length", ERR_KEY_LEN ); /* * A return statement just in case the fatal macro returns. * The rest of the code assumes that key_len is in range, and would * buffer-overflow if it wasn't. * * Why do we still use a programming language that has problems like * buffer overflows, when these problems were solved in 1960 with * the development of Algol? Have we not leared anything? */ return ERR_KEY_LEN; } /* Pad the key with zeroes to the next suitable key length. */ memcpy( K, key, key_len ); memset( K+key_len, 0, sizeof(K)-key_len ); /* * Compute kCycles: the number of key cycles used in the cipher. * 2 for 128-bit keys, 3 for 192-bit keys, and 4 for 256-bit keys. */ kCycles = (key_len + 7) >> 3; /* Handle the special case of very short keys: minimum 2 cycles. */ if( kCycles < 2 ) { kCycles = 2; } /* * From now on we just pretend to have 8*kCycles bytes of * key material in K. This handles all the key size cases. */ /* * We first compute the 40 expanded key words, * formulas straight from the Twofish specifications. */ for( i=0; i<40; i+=2 ) { /* * Due to the byte spacing expected by the h() function * we can pick the bytes directly from the key K. * As we use bytes, we never have the little/big endian * problem. * * Note that we apply the rotation function only to simple * variables, as the rotation macro might evaluate its argument * more than once. */ A = h( i , K , kCycles ); B = h( i+1, K+4, kCycles ); B = ROL32( B, 8 ); /* Compute and store the round keys. */ A += B; B += A; xkey->K[i] = A; xkey->K[i+1] = ROL32( B, 9 ); } /* Wipe variables that contained key material. */ A=B=0; /* * And now the dreaded RS multiplication that few seem to understand. * The RS matrix is not random, and is specially designed to compute the * RS matrix multiplication in a simple way. * * We work in the field GF(2)[x]/x^8+x^6+x^3+x^2+1. Note that this is a * different field than used for the MDS matrix. * (At least, it is a different representation because all GF(2^8) * representations are equivalent in some form.) * * We take 8 consecutive bytes of the key and interpret them as * a polynomial k_0 + k_1 y + k_2 y^2 + ... + k_7 y^7 where * the k_i bytes are the key bytes and are elements of the finite field. * We multiply this polynomial by y^4 and reduce it modulo * y^4 + (x + 1/x)y^3 + (x)y^2 + (x + 1/x)y + 1. * using straightforward polynomial modulo reduction. * The coefficients of the result are the result of the RS * matrix multiplication. When we wrote the Twofish specification, * the original RS definition used the polynomials, * but that requires much more mathematical knowledge. * We were already using matrix multiplication in a finite field for * the MDS matrix, so I re-wrote the RS operation as a matrix * multiplication to reduce the difficulty of understanding it. * Some implementors have not picked up on this simpler method of * computing the RS operation, even though it is mentioned in the * specifications. * * It is possible to perform these computations faster by using 32-bit * word operations, but that is not portable and this is not a speed- * critical area. * * We explained the 1/x computation when we did the MDS matrix. * * The S vector is stored in K[32..64]. * The S vector has to be reversed, so we loop cross-wise. * * Note the weird byte spacing of the S-vector, to match the even * or odd key words arrays. See the discussion at the Hxx macros for * details. */ kptr = K + 8*kCycles; /* Start at end of key */ sptr = K + 32; /* Start at start of S */ /* Loop over all key material */ while( kptr > K ) { kptr -= 8; /* * Initialise the polynimial in sptr[0..12] * The first four coefficients are 0 as we have to multiply by y^4. * The next 8 coefficients are from the key material. */ memset( sptr, 0, 4 ); memcpy( sptr+4, kptr, 8 ); /* * The 12 bytes starting at sptr are now the coefficients of * the polynomial we need to reduce. */ /* Loop over the polynomial coefficients from high to low */ t = sptr+11; /* Keep looping until polynomial is degree 3; */ while( t > sptr+3 ) { /* Pick up the highest coefficient of the poly. */ b = *t; /* * Compute x and (x+1/x) times this coefficient. * See the MDS matrix implementation for a discussion of * multiplication by x and 1/x. We just use different * constants here as we are in a * different finite field representation. * * These two statements set * bx = (x) * b * bxx= (x + 1/x) * b */ bx = (Twofish_Byte)((b<<1) ^ rs_poly_const[ b>>7 ]); bxx= (Twofish_Byte)((b>>1) ^ rs_poly_div_const[ b&1 ] ^ bx); /* * Subtract suitable multiple of * y^4 + (x + 1/x)y^3 + (x)y^2 + (x + 1/x)y + 1 * from the polynomial, except that we don't bother * updating t[0] as it will become zero anyway. */ t[-1] ^= bxx; t[-2] ^= bx; t[-3] ^= bxx; t[-4] ^= b; /* Go to the next coefficient. */ t--; } /* Go to next S-vector word, obeying the weird spacing rules. */ sptr += 8; } /* Wipe variables that contained key material. */ b = bx = bxx = 0; /* And finally, we can compute the key-dependent S-boxes. */ fill_keyed_sboxes( &K[32], kCycles, xkey ); /* Wipe array that contained key material. */ memset( K, 0, sizeof( K ) ); return SUCCESS; } /* * We can now start on the actual encryption and decryption code. * As these are often speed-critical we will use a lot of macros. */ /* * The g() function is the heart of the round function. * We have two versions of the g() function, one without an input * rotation and one with. * The pre-computed S-boxes make this pretty simple. */ #define g0(X,xkey) \ (xkey->s[0][b0(X)]^xkey->s[1][b1(X)]^xkey->s[2][b2(X)]^xkey->s[3][b3(X)]) #define g1(X,xkey) \ (xkey->s[0][b3(X)]^xkey->s[1][b0(X)]^xkey->s[2][b1(X)]^xkey->s[3][b2(X)]) /* * A single round of Twofish. The A,B,C,D are the four state variables, * T0 and T1 are temporaries, xkey is the expanded key, and r the * round number. * * Note that this macro does not implement the swap at the end of the round. */ #define ENCRYPT_RND( A,B,C,D, T0, T1, xkey, r ) \ T0 = g0(A,xkey); T1 = g1(B,xkey);\ C ^= T0+T1+xkey->K[8+2*(r)]; C = ROR32(C,1);\ D = ROL32(D,1); D ^= T0+2*T1+xkey->K[8+2*(r)+1] /* * Encrypt a single cycle, consisting of two rounds. * This avoids the swapping of the two halves. * Parameter r is now the cycle number. */ #define ENCRYPT_CYCLE( A, B, C, D, T0, T1, xkey, r ) \ ENCRYPT_RND( A,B,C,D,T0,T1,xkey,2*(r) );\ ENCRYPT_RND( C,D,A,B,T0,T1,xkey,2*(r)+1 ) /* Full 16-round encryption */ #define ENCRYPT( A,B,C,D,T0,T1,xkey ) \ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 0 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 1 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 2 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 3 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 4 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 5 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 6 );\ ENCRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 7 ) /* * A single round of Twofish for decryption. It differs from * ENCRYTP_RND only because of the 1-bit rotations. */ #define DECRYPT_RND( A,B,C,D, T0, T1, xkey, r ) \ T0 = g0(A,xkey); T1 = g1(B,xkey);\ C = ROL32(C,1); C ^= T0+T1+xkey->K[8+2*(r)];\ D ^= T0+2*T1+xkey->K[8+2*(r)+1]; D = ROR32(D,1) /* * Decrypt a single cycle, consisting of two rounds. * This avoids the swapping of the two halves. * Parameter r is now the cycle number. */ #define DECRYPT_CYCLE( A, B, C, D, T0, T1, xkey, r ) \ DECRYPT_RND( A,B,C,D,T0,T1,xkey,2*(r)+1 );\ DECRYPT_RND( C,D,A,B,T0,T1,xkey,2*(r) ) /* Full 16-round decryption. */ #define DECRYPT( A,B,C,D,T0,T1, xkey ) \ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 7 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 6 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 5 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 4 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 3 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 2 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 1 );\ DECRYPT_CYCLE( A,B,C,D,T0,T1,xkey, 0 ) /* * A macro to read the state from the plaintext and do the initial key xors. * The koff argument allows us to use the same macro * for the decryption which uses different key words at the start. */ #define GET_INPUT( src, A,B,C,D, xkey, koff ) \ A = GET32(src )^xkey->K[ koff]; B = GET32(src+ 4)^xkey->K[1+koff]; \ C = GET32(src+ 8)^xkey->K[2+koff]; D = GET32(src+12)^xkey->K[3+koff] /* * Similar macro to put the ciphertext in the output buffer. * We xor the keys into the state variables before we use the PUT32 * macro as the macro might use its argument multiple times. */ #define PUT_OUTPUT( A,B,C,D, dst, xkey, koff ) \ A ^= xkey->K[ koff]; B ^= xkey->K[1+koff]; \ C ^= xkey->K[2+koff]; D ^= xkey->K[3+koff]; \ PUT32( A, dst ); PUT32( B, dst+ 4 ); \ PUT32( C, dst+8 ); PUT32( D, dst+12 ) /* * Twofish block encryption * * Arguments: * xkey expanded key array * p 16 bytes of plaintext * c 16 bytes in which to store the ciphertext */ void Twofish_encrypt( Twofish_key * xkey, Twofish_Byte p[16], Twofish_Byte c[16]) { Twofish_UInt32 A,B,C,D,T0,T1; /* Working variables */ /* Get the four plaintext words xorred with the key */ GET_INPUT( p, A,B,C,D, xkey, 0 ); /* Do 8 cycles (= 16 rounds) */ ENCRYPT( A,B,C,D,T0,T1,xkey ); /* Store them with the final swap and the output whitening. */ PUT_OUTPUT( C,D,A,B, c, xkey, 4 ); } /* * Twofish block decryption. * * Arguments: * xkey expanded key array * p 16 bytes of plaintext * c 16 bytes in which to store the ciphertext */ void Twofish_decrypt( Twofish_key * xkey, Twofish_Byte c[16], Twofish_Byte p[16]) { Twofish_UInt32 A,B,C,D,T0,T1; /* Working variables */ /* Get the four plaintext words xorred with the key */ GET_INPUT( c, A,B,C,D, xkey, 4 ); /* Do 8 cycles (= 16 rounds) */ DECRYPT( A,B,C,D,T0,T1,xkey ); /* Store them with the final swap and the output whitening. */ PUT_OUTPUT( C,D,A,B, p, xkey, 0 ); } /* * Using the macros it is easy to make special routines for * CBC mode, CTR mode etc. The only thing you might want to * add is a XOR_PUT_OUTPUT which xors the outputs into the * destinationa instead of overwriting the data. This requires * a XOR_PUT32 macro as well, but that should all be trivial. * * I thought about including routines for the separate cipher * modes here, but it is unclear which modes should be included, * and each encryption or decryption routine takes up a lot of code space. * Also, I don't have any test vectors for any cipher modes * with Twofish. */ ccrtp-2.0.6/src/ccrtp/crypto/Makefile.am0000664000175000017500000000144511767643350015053 00000000000000# Copyright (C) 2002 Open Source Telecom Corporation. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. AUTOMAKE_OPTIONS = no-dependencies dist-shar ccxxincludedir=$(includedir)/ccrtp/crypto noinst_HEADERS = SrtpSymCrypto.h hmac.h macSkein.h skein.h skein_iv.h skein_port.h skeinApi.h \ brg_endian.h brg_types.h twofish.h kdoc_headers = SrtpSymCrypto.h hmac.h kdoc: kdoc -f html -d $(KDOC_DIR) -L$(KDOC_DIR) -n ccrtp $(kdoc_headers) ccrtp-2.0.6/src/ccrtp/crypto/Makefile.in0000644000175000017500000003321212153104762015044 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # Copyright (C) 2002 Open Source Telecom Corporation. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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i.e., to ** avoid the need for a Threefish call during Init(). ** ** The IV for any fixed hash length may be pre-computed. ** Only the most common values are included here. ** ************************************************************ **/ #define MK_64 SKEIN_MK_64 /* blkSize = 256 bits. hashSize = 128 bits */ const u64b_t SKEIN_256_IV_128[] = { MK_64(0xE1111906,0x964D7260), MK_64(0x883DAAA7,0x7C8D811C), MK_64(0x10080DF4,0x91960F7A), MK_64(0xCCF7DDE5,0xB45BC1C2) }; /* blkSize = 256 bits. hashSize = 160 bits */ const u64b_t SKEIN_256_IV_160[] = { MK_64(0x14202314,0x72825E98), MK_64(0x2AC4E9A2,0x5A77E590), MK_64(0xD47A5856,0x8838D63E), MK_64(0x2DD2E496,0x8586AB7D) }; /* blkSize = 256 bits. hashSize = 224 bits */ const u64b_t SKEIN_256_IV_224[] = { MK_64(0xC6098A8C,0x9AE5EA0B), MK_64(0x876D5686,0x08C5191C), MK_64(0x99CB88D7,0xD7F53884), MK_64(0x384BDDB1,0xAEDDB5DE) }; /* blkSize = 256 bits. hashSize = 256 bits */ const u64b_t SKEIN_256_IV_256[] = { MK_64(0xFC9DA860,0xD048B449), MK_64(0x2FCA6647,0x9FA7D833), MK_64(0xB33BC389,0x6656840F), MK_64(0x6A54E920,0xFDE8DA69) }; /* blkSize = 512 bits. hashSize = 128 bits */ const u64b_t SKEIN_512_IV_128[] = { MK_64(0xA8BC7BF3,0x6FBF9F52), MK_64(0x1E9872CE,0xBD1AF0AA), MK_64(0x309B1790,0xB32190D3), MK_64(0xBCFBB854,0x3F94805C), MK_64(0x0DA61BCD,0x6E31B11B), MK_64(0x1A18EBEA,0xD46A32E3), MK_64(0xA2CC5B18,0xCE84AA82), MK_64(0x6982AB28,0x9D46982D) }; /* blkSize = 512 bits. hashSize = 160 bits */ const u64b_t SKEIN_512_IV_160[] = { MK_64(0x28B81A2A,0xE013BD91), MK_64(0xC2F11668,0xB5BDF78F), MK_64(0x1760D8F3,0xF6A56F12), MK_64(0x4FB74758,0x8239904F), MK_64(0x21EDE07F,0x7EAF5056), MK_64(0xD908922E,0x63ED70B8), MK_64(0xB8EC76FF,0xECCB52FA), MK_64(0x01A47BB8,0xA3F27A6E) }; /* blkSize = 512 bits. hashSize = 224 bits */ const u64b_t SKEIN_512_IV_224[] = { MK_64(0xCCD06162,0x48677224), MK_64(0xCBA65CF3,0xA92339EF), MK_64(0x8CCD69D6,0x52FF4B64), MK_64(0x398AED7B,0x3AB890B4), MK_64(0x0F59D1B1,0x457D2BD0), MK_64(0x6776FE65,0x75D4EB3D), MK_64(0x99FBC70E,0x997413E9), MK_64(0x9E2CFCCF,0xE1C41EF7) }; /* blkSize = 512 bits. hashSize = 256 bits */ const u64b_t SKEIN_512_IV_256[] = { MK_64(0xCCD044A1,0x2FDB3E13), MK_64(0xE8359030,0x1A79A9EB), MK_64(0x55AEA061,0x4F816E6F), MK_64(0x2A2767A4,0xAE9B94DB), MK_64(0xEC06025E,0x74DD7683), MK_64(0xE7A436CD,0xC4746251), MK_64(0xC36FBAF9,0x393AD185), MK_64(0x3EEDBA18,0x33EDFC13) }; /* blkSize = 512 bits. hashSize = 384 bits */ const u64b_t SKEIN_512_IV_384[] = { MK_64(0xA3F6C6BF,0x3A75EF5F), MK_64(0xB0FEF9CC,0xFD84FAA4), MK_64(0x9D77DD66,0x3D770CFE), MK_64(0xD798CBF3,0xB468FDDA), MK_64(0x1BC4A666,0x8A0E4465), MK_64(0x7ED7D434,0xE5807407), MK_64(0x548FC1AC,0xD4EC44D6), MK_64(0x266E1754,0x6AA18FF8) }; /* blkSize = 512 bits. hashSize = 512 bits */ const u64b_t SKEIN_512_IV_512[] = { MK_64(0x4903ADFF,0x749C51CE), MK_64(0x0D95DE39,0x9746DF03), MK_64(0x8FD19341,0x27C79BCE), MK_64(0x9A255629,0xFF352CB1), MK_64(0x5DB62599,0xDF6CA7B0), MK_64(0xEABE394C,0xA9D5C3F4), MK_64(0x991112C7,0x1A75B523), MK_64(0xAE18A40B,0x660FCC33) }; /* blkSize = 1024 bits. hashSize = 384 bits */ const u64b_t SKEIN1024_IV_384[] = { MK_64(0x5102B6B8,0xC1894A35), MK_64(0xFEEBC9E3,0xFE8AF11A), MK_64(0x0C807F06,0xE32BED71), MK_64(0x60C13A52,0xB41A91F6), MK_64(0x9716D35D,0xD4917C38), MK_64(0xE780DF12,0x6FD31D3A), MK_64(0x797846B6,0xC898303A), MK_64(0xB172C2A8,0xB3572A3B), MK_64(0xC9BC8203,0xA6104A6C), MK_64(0x65909338,0xD75624F4), MK_64(0x94BCC568,0x4B3F81A0), MK_64(0x3EBBF51E,0x10ECFD46), MK_64(0x2DF50F0B,0xEEB08542), MK_64(0x3B5A6530,0x0DBC6516), MK_64(0x484B9CD2,0x167BBCE1), MK_64(0x2D136947,0xD4CBAFEA) }; /* blkSize = 1024 bits. hashSize = 512 bits */ const u64b_t SKEIN1024_IV_512[] = { MK_64(0xCAEC0E5D,0x7C1B1B18), MK_64(0xA01B0E04,0x5F03E802), MK_64(0x33840451,0xED912885), MK_64(0x374AFB04,0xEAEC2E1C), MK_64(0xDF25A0E2,0x813581F7), MK_64(0xE4004093,0x8B12F9D2), MK_64(0xA662D539,0xC2ED39B6), MK_64(0xFA8B85CF,0x45D8C75A), MK_64(0x8316ED8E,0x29EDE796), MK_64(0x053289C0,0x2E9F91B8), MK_64(0xC3F8EF1D,0x6D518B73), MK_64(0xBDCEC3C4,0xD5EF332E), MK_64(0x549A7E52,0x22974487), MK_64(0x67070872,0x5B749816), MK_64(0xB9CD28FB,0xF0581BD1), MK_64(0x0E2940B8,0x15804974) }; /* blkSize = 1024 bits. hashSize = 1024 bits */ const u64b_t SKEIN1024_IV_1024[] = { MK_64(0xD593DA07,0x41E72355), MK_64(0x15B5E511,0xAC73E00C), MK_64(0x5180E5AE,0xBAF2C4F0), MK_64(0x03BD41D3,0xFCBCAFAF), MK_64(0x1CAEC6FD,0x1983A898), MK_64(0x6E510B8B,0xCDD0589F), MK_64(0x77E2BDFD,0xC6394ADA), MK_64(0xC11E1DB5,0x24DCB0A3), MK_64(0xD6D14AF9,0xC6329AB5), MK_64(0x6A9B0BFC,0x6EB67E0D), MK_64(0x9243C60D,0xCCFF1332), MK_64(0x1A1F1DDE,0x743F02D4), MK_64(0x0996753C,0x10ED0BB8), MK_64(0x6572DD22,0xF2B4969A), MK_64(0x61FD3062,0xD00A579A), MK_64(0x1DE0536E,0x8682E539) }; #endif /* _SKEIN_IV_H_ */ ccrtp-2.0.6/src/ccrtp/crypto/brg_endian.h0000664000175000017500000001377511767643350015271 00000000000000/* --------------------------------------------------------------------------- Copyright (c) 2003, Dr Brian Gladman, Worcester, UK. All rights reserved. LICENSE TERMS The free distribution and use of this software in both source and binary form is allowed (with or without changes) provided that: 1. distributions of this source code include the above copyright notice, this list of conditions and the following disclaimer; 2. distributions in binary form include the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other associated materials; 3. the copyright holder's name is not used to endorse products built using this software without specific written permission. ALTERNATIVELY, provided that this notice is retained in full, this product may be distributed under the terms of the GNU General Public License (GPL), in which case the provisions of the GPL apply INSTEAD OF those given above. DISCLAIMER This software is provided 'as is' with no explicit or implied warranties in respect of its properties, including, but not limited to, correctness and/or fitness for purpose. --------------------------------------------------------------------------- Issue 20/10/2006 */ #ifndef BRG_ENDIAN_H #define BRG_ENDIAN_H #define IS_BIG_ENDIAN 4321 /* byte 0 is most significant (mc68k) */ #define IS_LITTLE_ENDIAN 1234 /* byte 0 is least significant (i386) */ /* Include files where endian defines and byteswap functions may reside */ #if defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ ) # include #elif defined( BSD ) && ( BSD >= 199103 ) || defined( __APPLE__ ) || \ defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ ) # include #elif defined( __linux__ ) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ ) # if !defined( __MINGW32__ ) && !defined(AVR) # include # if !defined( __BEOS__ ) # include # endif # endif #endif /* Now attempt to set the define for platform byte order using any */ /* of the four forms SYMBOL, _SYMBOL, __SYMBOL & __SYMBOL__, which */ /* seem to encompass most endian symbol definitions */ #if defined( BIG_ENDIAN ) && defined( LITTLE_ENDIAN ) # if defined( BYTE_ORDER ) && BYTE_ORDER == BIG_ENDIAN # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN # elif defined( BYTE_ORDER ) && BYTE_ORDER == LITTLE_ENDIAN # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN # endif #elif defined( BIG_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #elif defined( LITTLE_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #endif #if defined( _BIG_ENDIAN ) && defined( _LITTLE_ENDIAN ) # if defined( _BYTE_ORDER ) && _BYTE_ORDER == _BIG_ENDIAN # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN # elif defined( _BYTE_ORDER ) && _BYTE_ORDER == _LITTLE_ENDIAN # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN # endif #elif defined( _BIG_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #elif defined( _LITTLE_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #endif #if defined( __BIG_ENDIAN ) && defined( __LITTLE_ENDIAN ) # if defined( __BYTE_ORDER ) && __BYTE_ORDER == __BIG_ENDIAN # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN # elif defined( __BYTE_ORDER ) && __BYTE_ORDER == __LITTLE_ENDIAN # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN # endif #elif defined( __BIG_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #elif defined( __LITTLE_ENDIAN ) # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #endif #if defined( __BIG_ENDIAN__ ) && defined( __LITTLE_ENDIAN__ ) # if defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __BIG_ENDIAN__ # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN # elif defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __LITTLE_ENDIAN__ # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN # endif #elif defined( __BIG_ENDIAN__ ) # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #elif defined( __LITTLE_ENDIAN__ ) # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #endif /* if the platform byte order could not be determined, then try to */ /* set this define using common machine defines */ #if !defined(PLATFORM_BYTE_ORDER) #if defined( __alpha__ ) || defined( __alpha ) || defined( i386 ) || \ defined( __i386__ ) || defined( _M_I86 ) || defined( _M_IX86 ) || \ defined( __OS2__ ) || defined( sun386 ) || defined( __TURBOC__ ) || \ defined( vax ) || defined( vms ) || defined( VMS ) || \ defined( __VMS ) || defined( _M_X64 ) || defined( AVR ) # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #elif defined( AMIGA ) || defined( applec ) || defined( __AS400__ ) || \ defined( _CRAY ) || defined( __hppa ) || defined( __hp9000 ) || \ defined( ibm370 ) || defined( mc68000 ) || defined( m68k ) || \ defined( __MRC__ ) || defined( __MVS__ ) || defined( __MWERKS__ ) || \ defined( sparc ) || defined( __sparc) || defined( SYMANTEC_C ) || \ defined( __VOS__ ) || defined( __TIGCC__ ) || defined( __TANDEM ) || \ defined( THINK_C ) || defined( __VMCMS__ ) # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #elif 0 /* **** EDIT HERE IF NECESSARY **** */ # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #elif 0 /* **** EDIT HERE IF NECESSARY **** */ # define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #else # error Please edit lines 126 or 128 in brg_endian.h to set the platform byte order #endif #endif /* special handler for IA64, which may be either endianness (?) */ /* here we assume little-endian, but this may need to be changed */ #if defined(__ia64) || defined(__ia64__) || defined(_M_IA64) # define PLATFORM_MUST_ALIGN (1) #ifndef PLATFORM_BYTE_ORDER # define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN #endif #endif #ifndef PLATFORM_MUST_ALIGN # define PLATFORM_MUST_ALIGN (0) #endif #endif /* ifndef BRG_ENDIAN_H */ ccrtp-2.0.6/src/ccrtp/crypto/skein.h0000664000175000017500000004024711767643350014304 00000000000000#ifndef _SKEIN_H_ #define _SKEIN_H_ 1 /************************************************************************** ** ** Interface declarations and internal definitions for Skein hashing. ** ** Source code author: Doug Whiting, 2008. ** ** This algorithm and source code is released to the public domain. ** *************************************************************************** ** ** The following compile-time switches may be defined to control some ** tradeoffs between speed, code size, error checking, and security. ** ** The "default" note explains what happens when the switch is not defined. ** ** SKEIN_DEBUG -- make callouts from inside Skein code ** to examine/display intermediate values. ** [default: no callouts (no overhead)] ** ** SKEIN_ERR_CHECK -- how error checking is handled inside Skein ** code. If not defined, most error checking ** is disabled (for performance). Otherwise, ** the switch value is interpreted as: ** 0: use assert() to flag errors ** 1: return SKEIN_FAIL to flag errors ** ***************************************************************************/ #ifdef __cplusplus extern "C" { #endif #include /* get size_t definition */ #include /* get platform-specific definitions */ enum { SKEIN_SUCCESS = 0, /* return codes from Skein calls */ SKEIN_FAIL = 1, SKEIN_BAD_HASHLEN = 2 }; #define SKEIN_MODIFIER_WORDS ( 2) /* number of modifier (tweak) words */ #define SKEIN_256_STATE_WORDS ( 4) #define SKEIN_512_STATE_WORDS ( 8) #define SKEIN1024_STATE_WORDS (16) #define SKEIN_MAX_STATE_WORDS (16) #define SKEIN_256_STATE_BYTES ( 8*SKEIN_256_STATE_WORDS) #define SKEIN_512_STATE_BYTES ( 8*SKEIN_512_STATE_WORDS) #define SKEIN1024_STATE_BYTES ( 8*SKEIN1024_STATE_WORDS) #define SKEIN_256_STATE_BITS (64*SKEIN_256_STATE_WORDS) #define SKEIN_512_STATE_BITS (64*SKEIN_512_STATE_WORDS) #define SKEIN1024_STATE_BITS (64*SKEIN1024_STATE_WORDS) #define SKEIN_256_BLOCK_BYTES ( 8*SKEIN_256_STATE_WORDS) #define SKEIN_512_BLOCK_BYTES ( 8*SKEIN_512_STATE_WORDS) #define SKEIN1024_BLOCK_BYTES ( 8*SKEIN1024_STATE_WORDS) typedef struct { size_t hashBitLen; /* size of hash result, in bits */ size_t bCnt; /* current byte count in buffer b[] */ u64b_t T[SKEIN_MODIFIER_WORDS]; /* tweak words: T[0]=byte cnt, T[1]=flags */ } Skein_Ctxt_Hdr_t; typedef struct /* 256-bit Skein hash context structure */ { Skein_Ctxt_Hdr_t h; /* common header context variables */ u64b_t X[SKEIN_256_STATE_WORDS]; /* chaining variables */ u08b_t b[SKEIN_256_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ } Skein_256_Ctxt_t; typedef struct /* 512-bit Skein hash context structure */ { Skein_Ctxt_Hdr_t h; /* common header context variables */ u64b_t X[SKEIN_512_STATE_WORDS]; /* chaining variables */ u08b_t b[SKEIN_512_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ } Skein_512_Ctxt_t; typedef struct /* 1024-bit Skein hash context structure */ { Skein_Ctxt_Hdr_t h; /* common header context variables */ u64b_t X[SKEIN1024_STATE_WORDS]; /* chaining variables */ u08b_t b[SKEIN1024_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ } Skein1024_Ctxt_t; /* Skein APIs for (incremental) "straight hashing" */ int Skein_256_Init (Skein_256_Ctxt_t *ctx, size_t hashBitLen); int Skein_512_Init (Skein_512_Ctxt_t *ctx, size_t hashBitLen); int Skein1024_Init (Skein1024_Ctxt_t *ctx, size_t hashBitLen); int Skein_256_Update(Skein_256_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt); int Skein_512_Update(Skein_512_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt); int Skein1024_Update(Skein1024_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt); int Skein_256_Final (Skein_256_Ctxt_t *ctx, u08b_t * hashVal); int Skein_512_Final (Skein_512_Ctxt_t *ctx, u08b_t * hashVal); int Skein1024_Final (Skein1024_Ctxt_t *ctx, u08b_t * hashVal); /* ** Skein APIs for "extended" initialization: MAC keys, tree hashing. ** After an InitExt() call, just use Update/Final calls as with Init(). ** ** Notes: Same parameters as _Init() calls, plus treeInfo/key/keyBytes. ** When keyBytes == 0 and treeInfo == SKEIN_SEQUENTIAL, ** the results of InitExt() are identical to calling Init(). ** The function Init() may be called once to "precompute" the IV for ** a given hashBitLen value, then by saving a copy of the context ** the IV computation may be avoided in later calls. ** Similarly, the function InitExt() may be called once per MAC key ** to precompute the MAC IV, then a copy of the context saved and ** reused for each new MAC computation. **/ int Skein_256_InitExt(Skein_256_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); int Skein_512_InitExt(Skein_512_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); int Skein1024_InitExt(Skein1024_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); /* ** Skein APIs for MAC and tree hash: ** Final_Pad: pad, do final block, but no OUTPUT type ** Output: do just the output stage */ int Skein_256_Final_Pad(Skein_256_Ctxt_t *ctx, u08b_t * hashVal); int Skein_512_Final_Pad(Skein_512_Ctxt_t *ctx, u08b_t * hashVal); int Skein1024_Final_Pad(Skein1024_Ctxt_t *ctx, u08b_t * hashVal); #ifndef SKEIN_TREE_HASH #define SKEIN_TREE_HASH (1) #endif #if SKEIN_TREE_HASH int Skein_256_Output (Skein_256_Ctxt_t *ctx, u08b_t * hashVal); int Skein_512_Output (Skein_512_Ctxt_t *ctx, u08b_t * hashVal); int Skein1024_Output (Skein1024_Ctxt_t *ctx, u08b_t * hashVal); #endif /***************************************************************** ** "Internal" Skein definitions ** -- not needed for sequential hashing API, but will be ** helpful for other uses of Skein (e.g., tree hash mode). ** -- included here so that they can be shared between ** reference and optimized code. ******************************************************************/ /* tweak word T[1]: bit field starting positions */ #define SKEIN_T1_BIT(BIT) ((BIT) - 64) /* offset 64 because it's the second word */ #define SKEIN_T1_POS_TREE_LVL SKEIN_T1_BIT(112) /* bits 112..118: level in hash tree */ #define SKEIN_T1_POS_BIT_PAD SKEIN_T1_BIT(119) /* bit 119 : partial final input byte */ #define SKEIN_T1_POS_BLK_TYPE SKEIN_T1_BIT(120) /* bits 120..125: type field */ #define SKEIN_T1_POS_FIRST SKEIN_T1_BIT(126) /* bits 126 : first block flag */ #define SKEIN_T1_POS_FINAL SKEIN_T1_BIT(127) /* bit 127 : final block flag */ /* tweak word T[1]: flag bit definition(s) */ #define SKEIN_T1_FLAG_FIRST (((u64b_t) 1 ) << SKEIN_T1_POS_FIRST) #define SKEIN_T1_FLAG_FINAL (((u64b_t) 1 ) << SKEIN_T1_POS_FINAL) #define SKEIN_T1_FLAG_BIT_PAD (((u64b_t) 1 ) << SKEIN_T1_POS_BIT_PAD) /* tweak word T[1]: tree level bit field mask */ #define SKEIN_T1_TREE_LVL_MASK (((u64b_t)0x7F) << SKEIN_T1_POS_TREE_LVL) #define SKEIN_T1_TREE_LEVEL(n) (((u64b_t) (n)) << SKEIN_T1_POS_TREE_LVL) /* tweak word T[1]: block type field */ #define SKEIN_BLK_TYPE_KEY ( 0) /* key, for MAC and KDF */ #define SKEIN_BLK_TYPE_CFG ( 4) /* configuration block */ #define SKEIN_BLK_TYPE_PERS ( 8) /* personalization string */ #define SKEIN_BLK_TYPE_PK (12) /* public key (for digital signature hashing) */ #define SKEIN_BLK_TYPE_KDF (16) /* key identifier for KDF */ #define SKEIN_BLK_TYPE_NONCE (20) /* nonce for PRNG */ #define SKEIN_BLK_TYPE_MSG (48) /* message processing */ #define SKEIN_BLK_TYPE_OUT (63) /* output stage */ #define SKEIN_BLK_TYPE_MASK (63) /* bit field mask */ #define SKEIN_T1_BLK_TYPE(T) (((u64b_t) (SKEIN_BLK_TYPE_##T)) << SKEIN_T1_POS_BLK_TYPE) #define SKEIN_T1_BLK_TYPE_KEY SKEIN_T1_BLK_TYPE(KEY) /* key, for MAC and KDF */ #define SKEIN_T1_BLK_TYPE_CFG SKEIN_T1_BLK_TYPE(CFG) /* configuration block */ #define SKEIN_T1_BLK_TYPE_PERS SKEIN_T1_BLK_TYPE(PERS) /* personalization string */ #define SKEIN_T1_BLK_TYPE_PK SKEIN_T1_BLK_TYPE(PK) /* public key (for digital signature hashing) */ #define SKEIN_T1_BLK_TYPE_KDF SKEIN_T1_BLK_TYPE(KDF) /* key identifier for KDF */ #define SKEIN_T1_BLK_TYPE_NONCE SKEIN_T1_BLK_TYPE(NONCE)/* nonce for PRNG */ #define SKEIN_T1_BLK_TYPE_MSG SKEIN_T1_BLK_TYPE(MSG) /* message processing */ #define SKEIN_T1_BLK_TYPE_OUT SKEIN_T1_BLK_TYPE(OUT) /* output stage */ #define SKEIN_T1_BLK_TYPE_MASK SKEIN_T1_BLK_TYPE(MASK) /* field bit mask */ #define SKEIN_T1_BLK_TYPE_CFG_FINAL (SKEIN_T1_BLK_TYPE_CFG | SKEIN_T1_FLAG_FINAL) #define SKEIN_T1_BLK_TYPE_OUT_FINAL (SKEIN_T1_BLK_TYPE_OUT | SKEIN_T1_FLAG_FINAL) #define SKEIN_VERSION (1) #ifndef SKEIN_ID_STRING_LE /* allow compile-time personalization */ #define SKEIN_ID_STRING_LE (0x33414853) /* "SHA3" (little-endian)*/ #endif #define SKEIN_MK_64(hi32,lo32) ((lo32) + (((u64b_t) (hi32)) << 32)) #define SKEIN_SCHEMA_VER SKEIN_MK_64(SKEIN_VERSION,SKEIN_ID_STRING_LE) #define SKEIN_KS_PARITY SKEIN_MK_64(0x1BD11BDA,0xA9FC1A22) #define SKEIN_CFG_STR_LEN (4*8) /* bit field definitions in config block treeInfo word */ #define SKEIN_CFG_TREE_LEAF_SIZE_POS ( 0) #define SKEIN_CFG_TREE_NODE_SIZE_POS ( 8) #define SKEIN_CFG_TREE_MAX_LEVEL_POS (16) #define SKEIN_CFG_TREE_LEAF_SIZE_MSK (((u64b_t) 0xFF) << SKEIN_CFG_TREE_LEAF_SIZE_POS) #define SKEIN_CFG_TREE_NODE_SIZE_MSK (((u64b_t) 0xFF) << SKEIN_CFG_TREE_NODE_SIZE_POS) #define SKEIN_CFG_TREE_MAX_LEVEL_MSK (((u64b_t) 0xFF) << SKEIN_CFG_TREE_MAX_LEVEL_POS) #define SKEIN_CFG_TREE_INFO(leaf,node,maxLvl) \ ( (((u64b_t)(leaf )) << SKEIN_CFG_TREE_LEAF_SIZE_POS) | \ (((u64b_t)(node )) << SKEIN_CFG_TREE_NODE_SIZE_POS) | \ (((u64b_t)(maxLvl)) << SKEIN_CFG_TREE_MAX_LEVEL_POS) ) #define SKEIN_CFG_TREE_INFO_SEQUENTIAL SKEIN_CFG_TREE_INFO(0,0,0) /* use as treeInfo in InitExt() call for sequential processing */ /* ** Skein macros for getting/setting tweak words, etc. ** These are useful for partial input bytes, hash tree init/update, etc. **/ #define Skein_Get_Tweak(ctxPtr,TWK_NUM) ((ctxPtr)->h.T[TWK_NUM]) #define Skein_Set_Tweak(ctxPtr,TWK_NUM,tVal) {(ctxPtr)->h.T[TWK_NUM] = (tVal);} #define Skein_Get_T0(ctxPtr) Skein_Get_Tweak(ctxPtr,0) #define Skein_Get_T1(ctxPtr) Skein_Get_Tweak(ctxPtr,1) #define Skein_Set_T0(ctxPtr,T0) Skein_Set_Tweak(ctxPtr,0,T0) #define Skein_Set_T1(ctxPtr,T1) Skein_Set_Tweak(ctxPtr,1,T1) /* set both tweak words at once */ #define Skein_Set_T0_T1(ctxPtr,T0,T1) \ { \ Skein_Set_T0(ctxPtr,(T0)); \ Skein_Set_T1(ctxPtr,(T1)); \ } #define Skein_Set_Type(ctxPtr,BLK_TYPE) \ Skein_Set_T1(ctxPtr,SKEIN_T1_BLK_TYPE_##BLK_TYPE) /* set up for starting with a new type: h.T[0]=0; h.T[1] = NEW_TYPE; h.bCnt=0; */ #define Skein_Start_New_Type(ctxPtr,BLK_TYPE) \ { Skein_Set_T0_T1(ctxPtr,0,SKEIN_T1_FLAG_FIRST | SKEIN_T1_BLK_TYPE_##BLK_TYPE); (ctxPtr)->h.bCnt=0; } #define Skein_Clear_First_Flag(hdr) { (hdr).T[1] &= ~SKEIN_T1_FLAG_FIRST; } #define Skein_Set_Bit_Pad_Flag(hdr) { (hdr).T[1] |= SKEIN_T1_FLAG_BIT_PAD; } #define Skein_Set_Tree_Level(hdr,height) { (hdr).T[1] |= SKEIN_T1_TREE_LEVEL(height);} /***************************************************************** ** "Internal" Skein definitions for debugging and error checking ******************************************************************/ #ifdef SKEIN_DEBUG /* examine/display intermediate values? */ #include "skein_debug.h" #else /* default is no callouts */ #define Skein_Show_Block(bits,ctx,X,blkPtr,wPtr,ksEvenPtr,ksOddPtr) #define Skein_Show_Round(bits,ctx,r,X) #define Skein_Show_R_Ptr(bits,ctx,r,X_ptr) #define Skein_Show_Final(bits,ctx,cnt,outPtr) #define Skein_Show_Key(bits,ctx,key,keyBytes) #endif #ifndef SKEIN_ERR_CHECK /* run-time checks (e.g., bad params, uninitialized context)? */ #define Skein_Assert(x,retCode)/* default: ignore all Asserts, for performance */ #define Skein_assert(x) #elif defined(SKEIN_ASSERT) #include #define Skein_Assert(x,retCode) assert(x) #define Skein_assert(x) assert(x) #else #include #define Skein_Assert(x,retCode) { if (!(x)) return retCode; } /* caller error */ #define Skein_assert(x) assert(x) /* internal error */ #endif /***************************************************************** ** Skein block function constants (shared across Ref and Opt code) ******************************************************************/ enum { /* Skein_256 round rotation constants */ R_256_0_0=14, R_256_0_1=16, R_256_1_0=52, R_256_1_1=57, R_256_2_0=23, R_256_2_1=40, R_256_3_0= 5, R_256_3_1=37, R_256_4_0=25, R_256_4_1=33, R_256_5_0=46, R_256_5_1=12, R_256_6_0=58, R_256_6_1=22, R_256_7_0=32, R_256_7_1=32, /* Skein_512 round rotation constants */ R_512_0_0=46, R_512_0_1=36, R_512_0_2=19, R_512_0_3=37, R_512_1_0=33, R_512_1_1=27, R_512_1_2=14, R_512_1_3=42, R_512_2_0=17, R_512_2_1=49, R_512_2_2=36, R_512_2_3=39, R_512_3_0=44, R_512_3_1= 9, R_512_3_2=54, R_512_3_3=56, R_512_4_0=39, R_512_4_1=30, R_512_4_2=34, R_512_4_3=24, R_512_5_0=13, R_512_5_1=50, R_512_5_2=10, R_512_5_3=17, R_512_6_0=25, R_512_6_1=29, R_512_6_2=39, R_512_6_3=43, R_512_7_0= 8, R_512_7_1=35, R_512_7_2=56, R_512_7_3=22, /* Skein1024 round rotation constants */ R1024_0_0=24, R1024_0_1=13, R1024_0_2= 8, R1024_0_3=47, R1024_0_4= 8, R1024_0_5=17, R1024_0_6=22, R1024_0_7=37, R1024_1_0=38, R1024_1_1=19, R1024_1_2=10, R1024_1_3=55, R1024_1_4=49, R1024_1_5=18, R1024_1_6=23, R1024_1_7=52, R1024_2_0=33, R1024_2_1= 4, R1024_2_2=51, R1024_2_3=13, R1024_2_4=34, R1024_2_5=41, R1024_2_6=59, R1024_2_7=17, R1024_3_0= 5, R1024_3_1=20, R1024_3_2=48, R1024_3_3=41, R1024_3_4=47, R1024_3_5=28, R1024_3_6=16, R1024_3_7=25, R1024_4_0=41, R1024_4_1= 9, R1024_4_2=37, R1024_4_3=31, R1024_4_4=12, R1024_4_5=47, R1024_4_6=44, R1024_4_7=30, R1024_5_0=16, R1024_5_1=34, R1024_5_2=56, R1024_5_3=51, R1024_5_4= 4, R1024_5_5=53, R1024_5_6=42, R1024_5_7=41, R1024_6_0=31, R1024_6_1=44, R1024_6_2=47, R1024_6_3=46, R1024_6_4=19, R1024_6_5=42, R1024_6_6=44, R1024_6_7=25, R1024_7_0= 9, R1024_7_1=48, R1024_7_2=35, R1024_7_3=52, R1024_7_4=23, R1024_7_5=31, R1024_7_6=37, R1024_7_7=20 }; #ifndef SKEIN_ROUNDS #define SKEIN_256_ROUNDS_TOTAL (72) /* number of rounds for the different block sizes */ #define SKEIN_512_ROUNDS_TOTAL (72) #define SKEIN1024_ROUNDS_TOTAL (80) #else /* allow command-line define in range 8*(5..14) */ #define SKEIN_256_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/100) + 5) % 10) + 5)) #define SKEIN_512_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/ 10) + 5) % 10) + 5)) #define SKEIN1024_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS ) + 5) % 10) + 5)) #endif #ifdef __cplusplus } #endif #endif /* ifndef _SKEIN_H_ */ ccrtp-2.0.6/src/ccrtp/crypto/skeinApi.c0000664000175000017500000001573511767643350014735 00000000000000/* Copyright (c) 2010 Werner Dittmann Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define SKEIN_ERR_CHECK 1 #include #include #include int skeinCtxPrepare(SkeinCtx_t* ctx, SkeinSize_t size) { Skein_Assert(ctx && size, SKEIN_FAIL); memset(ctx ,0, sizeof(SkeinCtx_t)); ctx->skeinSize = size; return SKEIN_SUCCESS; } int skeinInit(SkeinCtx_t* ctx, size_t hashBitLen) { int ret = SKEIN_FAIL; size_t Xlen = 0; u64b_t* X = NULL; uint64_t treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL; Skein_Assert(ctx, SKEIN_FAIL); /* * The following two lines rely of the fact that the real Skein contexts are * a union in out context and thus have tha maximum memory available. * The beauty of C :-) . */ X = ctx->m.s256.X; Xlen = (size_t)(ctx->skeinSize/8); /* * If size is the same and hash bit length is zero then reuse * the save chaining variables. */ switch (ctx->skeinSize) { case Skein256: ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen, treeInfo, NULL, 0); break; case Skein512: ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen, treeInfo, NULL, 0); break; case Skein1024: ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen, treeInfo, NULL, 0); break; } if (ret == SKEIN_SUCCESS) { /* Save chaining variables for this combination of size and hashBitLen */ memcpy(ctx->XSave, X, Xlen); } return ret; } int skeinMacInit(SkeinCtx_t* ctx, const uint8_t *key, size_t keyLen, size_t hashBitLen) { int ret = SKEIN_FAIL; u64b_t* X = NULL; size_t Xlen = 0; uint64_t treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL; Skein_Assert(ctx, SKEIN_FAIL); X = ctx->m.s256.X; Xlen = (size_t)(ctx->skeinSize/8); Skein_Assert(hashBitLen, SKEIN_BAD_HASHLEN); switch (ctx->skeinSize) { case Skein256: ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen, treeInfo, (const u08b_t*)key, keyLen); break; case Skein512: ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen, treeInfo, (const u08b_t*)key, keyLen); break; case Skein1024: ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen, treeInfo, (const u08b_t*)key, keyLen); break; } if (ret == SKEIN_SUCCESS) { /* Save chaining variables for this combination of key, keyLen, hashBitLen */ memcpy(ctx->XSave, X, Xlen); } return ret; } void skeinReset(SkeinCtx_t* ctx) { size_t Xlen = 0; u64b_t* X = NULL; /* * The following two lines rely of the fact that the real Skein contexts are * a union in out context and thus have tha maximum memory available. * The beautiy of C :-) . */ X = ctx->m.s256.X; Xlen = (size_t)(ctx->skeinSize/8); /* * If size is the same and hash bit length is zero then reuse * the save chaining variables. */ /* Restore the chaing variable, reset byte counter */ memcpy(X, ctx->XSave, Xlen); /* Setup context to process the message */ Skein_Start_New_Type(&ctx->m, MSG); } int skeinUpdate(SkeinCtx_t *ctx, const uint8_t *msg, size_t msgByteCnt) { int ret = SKEIN_FAIL; Skein_Assert(ctx, SKEIN_FAIL); switch (ctx->skeinSize) { case Skein256: ret = Skein_256_Update(&ctx->m.s256, (const u08b_t*)msg, msgByteCnt); break; case Skein512: ret = Skein_512_Update(&ctx->m.s512, (const u08b_t*)msg, msgByteCnt); break; case Skein1024: ret = Skein1024_Update(&ctx->m.s1024, (const u08b_t*)msg, msgByteCnt); break; } return ret; } int skeinUpdateBits(SkeinCtx_t *ctx, const uint8_t *msg, size_t msgBitCnt) { /* * I've used the bit pad implementation from skein_test.c (see NIST CD) * and modified it to use the convenience functions and added some pointer * arithmetic. */ size_t length; uint8_t mask; uint8_t* up; /* only the final Update() call is allowed do partial bytes, else assert an error */ Skein_Assert((ctx->m.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 || msgBitCnt == 0, SKEIN_FAIL); /* if number of bits is a multiple of bytes - that's easy */ if ((msgBitCnt & 0x7) == 0) { return skeinUpdate(ctx, msg, msgBitCnt >> 3); } skeinUpdate(ctx, msg, (msgBitCnt >> 3) + 1); /* * The next line rely on the fact that the real Skein contexts * are a union in our context. After the addition the pointer points to * Skein's real partial block buffer. * If this layout ever changes we have to adapt this as well. */ up = (uint8_t*)ctx->m.s256.X + ctx->skeinSize / 8; Skein_Set_Bit_Pad_Flag(ctx->m.h); /* set tweak flag for the skeinFinal call */ /* now "pad" the final partial byte the way NIST likes */ length = ctx->m.h.bCnt; /* get the bCnt value (same location for all block sizes) */ Skein_assert(length != 0); /* internal sanity check: there IS a partial byte in the buffer! */ mask = (uint8_t) (1u << (7 - (msgBitCnt & 7))); /* partial byte bit mask */ up[length-1] = (uint8_t)((up[length-1] & (0-mask))|mask); /* apply bit padding on final byte (in the buffer) */ return SKEIN_SUCCESS; } int skeinFinal(SkeinCtx_t* ctx, uint8_t* hash) { int ret = SKEIN_FAIL; Skein_Assert(ctx, SKEIN_FAIL); switch (ctx->skeinSize) { case Skein256: ret = Skein_256_Final(&ctx->m.s256, (u08b_t*)hash); break; case Skein512: ret = Skein_512_Final(&ctx->m.s512, (u08b_t*)hash); break; case Skein1024: ret = Skein1024_Final(&ctx->m.s1024, (u08b_t*)hash); break; } return ret; } ccrtp-2.0.6/src/ccrtp/crypto/skein_port.h0000664000175000017500000001107211767643350015342 00000000000000#ifndef _SKEIN_PORT_H_ #define _SKEIN_PORT_H_ /******************************************************************* ** ** Platform-specific definitions for Skein hash function. ** ** Source code author: Doug Whiting, 2008. ** ** This algorithm and source code is released to the public domain. ** ** Many thanks to Brian Gladman for his portable header files. ** ** To port Skein to an "unsupported" platform, change the definitions ** in this file appropriately. ** ********************************************************************/ #include /* get integer type definitions */ /*r3gis3r : android already has that defined in types */ #ifndef ANDROID typedef unsigned int uint_t; /* native unsigned integer */ #endif typedef uint_8t u08b_t; /* 8-bit unsigned integer */ typedef uint_64t u64b_t; /* 64-bit unsigned integer */ #ifndef RotL_64 #define RotL_64(x,N) (((x) << (N)) | ((x) >> (64-(N)))) #endif /* * Skein is "natively" little-endian (unlike SHA-xxx), for optimal * performance on x86 CPUs. The Skein code requires the following * definitions for dealing with endianness: * * SKEIN_NEED_SWAP: 0 for little-endian, 1 for big-endian * Skein_Put64_LSB_First * Skein_Get64_LSB_First * Skein_Swap64 * * If SKEIN_NEED_SWAP is defined at compile time, it is used here * along with the portable versions of Put64/Get64/Swap64, which * are slow in general. * * Otherwise, an "auto-detect" of endianness is attempted below. * If the default handling doesn't work well, the user may insert * platform-specific code instead (e.g., for big-endian CPUs). * */ #ifndef SKEIN_NEED_SWAP /* compile-time "override" for endianness? */ #include /* get endianness selection */ #if PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN /* here for big-endian CPUs */ #define SKEIN_NEED_SWAP (1) #elif PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN /* here for x86 and x86-64 CPUs (and other detected little-endian CPUs) */ #define SKEIN_NEED_SWAP (0) #if PLATFORM_MUST_ALIGN == 0 /* ok to use "fast" versions? */ #define Skein_Put64_LSB_First(dst08,src64,bCnt) memcpy(dst08,src64,bCnt) #define Skein_Get64_LSB_First(dst64,src08,wCnt) memcpy(dst64,src08,8*(wCnt)) #endif #else #error "Skein needs endianness setting!" #endif #endif /* ifndef SKEIN_NEED_SWAP */ /* ****************************************************************** * Provide any definitions still needed. ****************************************************************** */ #ifndef Skein_Swap64 /* swap for big-endian, nop for little-endian */ #if SKEIN_NEED_SWAP #define Skein_Swap64(w64) \ ( (( ((u64b_t)(w64)) & 0xFF) << 56) | \ (((((u64b_t)(w64)) >> 8) & 0xFF) << 48) | \ (((((u64b_t)(w64)) >>16) & 0xFF) << 40) | \ (((((u64b_t)(w64)) >>24) & 0xFF) << 32) | \ (((((u64b_t)(w64)) >>32) & 0xFF) << 24) | \ (((((u64b_t)(w64)) >>40) & 0xFF) << 16) | \ (((((u64b_t)(w64)) >>48) & 0xFF) << 8) | \ (((((u64b_t)(w64)) >>56) & 0xFF) ) ) #else #define Skein_Swap64(w64) (w64) #endif #endif /* ifndef Skein_Swap64 */ #ifndef Skein_Put64_LSB_First void Skein_Put64_LSB_First(u08b_t *dst,const u64b_t *src,size_t bCnt) #ifdef SKEIN_PORT_CODE /* instantiate the function code here? */ { /* this version is fully portable (big-endian or little-endian), but slow */ size_t n; for (n=0;n>3] >> (8*(n&7))); } #else ; /* output only the function prototype */ #endif #endif /* ifndef Skein_Put64_LSB_First */ #ifndef Skein_Get64_LSB_First void Skein_Get64_LSB_First(u64b_t *dst,const u08b_t *src,size_t wCnt) #ifdef SKEIN_PORT_CODE /* instantiate the function code here? */ { /* this version is fully portable (big-endian or little-endian), but slow */ size_t n; for (n=0;n<8*wCnt;n+=8) dst[n/8] = (((u64b_t) src[n ]) ) + (((u64b_t) src[n+1]) << 8) + (((u64b_t) src[n+2]) << 16) + (((u64b_t) src[n+3]) << 24) + (((u64b_t) src[n+4]) << 32) + (((u64b_t) src[n+5]) << 40) + (((u64b_t) src[n+6]) << 48) + (((u64b_t) src[n+7]) << 56) ; } #else ; /* output only the function prototype */ #endif #endif /* ifndef Skein_Get64_LSB_First */ #endif /* ifndef _SKEIN_PORT_H_ */ ccrtp-2.0.6/src/ccrtp/crypto/hmac.h0000664000175000017500000001302511767643350014075 00000000000000/* Copyright (C) 2005, 2004, 2010 Erik Eliasson, Johan Bilien, Werner Dittmann This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with the * OpenSSL library under certain conditions as described in each * individual source file, and distribute linked combinations * including the two. * You must obey the GNU General Public License in all respects * for all of the code used other than OpenSSL. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you * do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source * files in the program, then also delete it here. */ /** * Functions to compute SHA1 HAMAC. * * @author Erik Eliasson * @author Johan Bilien * @author Werner Dittmann */ #ifndef HMAC_H #define HMAC_H /** * @file hmac.h * @brief Functions that provide SHA1 HMAC support * * @ingroup GNU_ZRTP * @{ */ #include #ifndef SHA1_DIGEST_LENGTH #define SHA1_DIGEST_LENGTH 20 #endif /** * Compute SHA1 HMAC. * * This functions takes one data chunk and computes its SHA1 HMAC. * * @param key * The MAC key. * @param key_length * Lneght of the MAC key in bytes * @param data * Points to the data chunk. * @param data_length * Length of the data in bytes * @param mac * Points to a buffer that receives the computed digest. This * buffer must have a size of at least 20 bytes (SHA1_DIGEST_LENGTH). * @param mac_length * Point to an integer that receives the length of the computed HMAC. */ void hmac_sha1( uint8_t* key, int32_t key_length, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t* mac_length ); /** * Compute SHA1 HMAC over several data cunks. * * This functions takes several data chunk and computes the SHA1 HAMAC. * * @param key * The MAC key. * @param key_length * Lneght of the MAC key in bytes * @param data * Points to an array of pointers that point to the data chunks. A NULL * pointer in an array element terminates the data chunks. * @param data_length * Points to an array of integers that hold the length of each data chunk. * @param mac * Points to a buffer that receives the computed digest. This * buffer must have a size of at least 20 bytes (SHA1_DIGEST_LENGTH). * @param mac_length * Point to an integer that receives the length of the computed HMAC. */ void hmac_sha1( uint8_t* key, int32_t key_length, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t* mac_length ); /** * Create and initialize a SHA1 HMAC context. * * An application uses this context to create several HMAC with the same key. * * @param key * The MAC key. * @param key_length * Lenght of the MAC key in bytes * @return Returns a pointer to the initialized context */ void* createSha1HmacContext(uint8_t* key, int32_t key_length); /** * Compute SHA1 HMAC. * * This functions takes one data chunk and computes its SHA1 HMAC. On return * the SHA1 MAC context is ready to compute a HMAC for another data chunk. * * @param ctx * Pointer to initialized SHA1 HMAC context * @param data * Points to the data chunk. * @param data_length * Length of the data in bytes * @param mac * Points to a buffer that receives the computed digest. This * buffer must have a size of at least 20 bytes (SHA1_DIGEST_LENGTH). * @param mac_length * Point to an integer that receives the length of the computed HMAC. */ void hmacSha1Ctx(void* ctx, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t* mac_length ); /** * Compute SHA1 HMAC over several data cunks. * * This functions takes several data chunks and computes the SHA1 HAMAC. On return * the SHA1 MAC context is ready to compute a HMAC for another data chunk. * * @param ctx * Pointer to initialized SHA1 HMAC context * @param data * Points to an array of pointers that point to the data chunks. A NULL * pointer in an array element terminates the data chunks. * @param data_length * Points to an array of integers that hold the length of each data chunk. * @param mac * Points to a buffer that receives the computed digest. This * buffer must have a size of at least 20 bytes (SHA1_DIGEST_LENGTH). * @param mac_length * Point to an integer that receives the length of the computed HMAC. */ void hmacSha1Ctx(void* ctx, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t* mac_length ); /** * Free SHA1 HMAC context. * * @param ctx a pointer to SHA1 HMAC context */ void freeSha1HmacContext(void* ctx); /** * @} */ #endif ccrtp-2.0.6/src/ccrtp/crypto/openssl/0000755000175000017500000000000012153105267014542 500000000000000ccrtp-2.0.6/src/ccrtp/crypto/openssl/hmac.cpp0000664000175000017500000000710211767643350016112 00000000000000/* Copyright (C) 2005, 2004, 2010, Erik Eliasson, Johan Bilien, Werner Dittmann This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with the * OpenSSL library under certain conditions as described in each * individual source file, and distribute linked combinations * including the two. * You must obey the GNU General Public License in all respects * for all of the code used other than OpenSSL. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you * do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source * files in the program, then also delete it here. */ /* * Authors: Erik Eliasson * Johan Bilien * Werner Dittmann */ #include #include #include void hmac_sha1(uint8_t * key, int32_t key_length, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t* mac_length ) { HMAC(EVP_sha1(), key, key_length, data, data_length, mac, reinterpret_cast(mac_length) ); } void hmac_sha1( uint8_t* key, int32_t key_length, const uint8_t* data_chunks[], uint32_t data_chunck_length[], uint8_t* mac, int32_t* mac_length ) { HMAC_CTX ctx; HMAC_CTX_init(&ctx); HMAC_Init_ex(&ctx, key, key_length, EVP_sha1(), NULL); while (*data_chunks) { HMAC_Update(&ctx, *data_chunks, *data_chunck_length); data_chunks ++; data_chunck_length ++; } HMAC_Final(&ctx, mac, reinterpret_cast(mac_length)); HMAC_CTX_cleanup(&ctx); } void* createSha1HmacContext(uint8_t* key, int32_t key_length) { HMAC_CTX* ctx = (HMAC_CTX*)malloc(sizeof(HMAC_CTX)); HMAC_CTX_init(ctx); HMAC_Init_ex(ctx, key, key_length, EVP_sha1(), NULL); return ctx; } void hmacSha1Ctx(void* ctx, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t* mac_length) { HMAC_CTX* pctx = (HMAC_CTX*)ctx; HMAC_Init_ex(pctx, NULL, 0, NULL, NULL ); HMAC_Update(pctx, data, data_length ); HMAC_Final(pctx, mac, reinterpret_cast(mac_length) ); } void hmacSha1Ctx(void* ctx, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t* mac_length ) { HMAC_CTX* pctx = (HMAC_CTX*)ctx; HMAC_Init_ex(pctx, NULL, 0, NULL, NULL ); while (*data) { HMAC_Update(pctx, *data, *data_length); data++; data_length++; } HMAC_Final(pctx, mac, reinterpret_cast(mac_length) ); } void freeSha1HmacContext(void* ctx) { if (ctx) { HMAC_CTX_cleanup((HMAC_CTX*)ctx); free(ctx); } }ccrtp-2.0.6/src/ccrtp/crypto/openssl/SrtpSymCrypto.cpp0000664000175000017500000002274212006015155020012 00000000000000/* Copyright (C) 2005, 2004, 2012 Erik Eliasson, Johan Bilien, Werner Dittmann This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with the * OpenSSL library under certain conditions as described in each * individual source file, and distribute linked combinations * including the two. * You must obey the GNU General Public License in all respects * for all of the code used other than OpenSSL. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you * do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source * files in the program, then also delete it here. */ /** * @author Erik Eliasson * @author Johan Bilien * @author Werner Dittmann */ #define MAKE_F8_TEST #include #include // the include of openSSL #include #include #include #include #if defined(_MSC_VER) || defined(WIN32) || defined(_WIN32) #include #else #include #endif SrtpSymCrypto::SrtpSymCrypto(int algo):key(NULL), algorithm(algo) { } SrtpSymCrypto::SrtpSymCrypto( uint8_t* k, int32_t keyLength, int algo ): key(NULL), algorithm(algo) { setNewKey(k, keyLength); } SrtpSymCrypto::~SrtpSymCrypto() { if (key != NULL) { if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) { memset(key, 0, sizeof(AES_KEY) ); } else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) { memset(key, 0, sizeof(Twofish_key)); } delete[] (uint8_t*)key; key = NULL; } } static int twoFishInit = 0; bool SrtpSymCrypto::setNewKey(const uint8_t* k, int32_t keyLength) { // release an existing key before setting a new one if (key != NULL) delete[] (uint8_t*)key; if (!(keyLength == 16 || keyLength == 32)) { return false; } if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) { key = new uint8_t[sizeof(AES_KEY)]; memset(key, 0, sizeof(AES_KEY) ); AES_set_encrypt_key(k, keyLength*8, (AES_KEY *)key); } else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) { if (!twoFishInit) { Twofish_initialise(); twoFishInit = 1; } key = new uint8_t[sizeof(Twofish_key)]; memset(key, 0, sizeof(Twofish_key)); Twofish_prepare_key((Twofish_Byte*)k, keyLength, (Twofish_key*)key); } else return false; return true; } void SrtpSymCrypto::encrypt(const uint8_t* input, uint8_t* output ) { if (algorithm == SrtpEncryptionAESCM || algorithm == SrtpEncryptionAESF8) { AES_encrypt(input, output, (AES_KEY *)key); } else if (algorithm == SrtpEncryptionTWOCM || algorithm == SrtpEncryptionTWOF8) { Twofish_encrypt((Twofish_key*)key, (Twofish_Byte*)input, (Twofish_Byte*)output); } } void SrtpSymCrypto::get_ctr_cipher_stream(uint8_t* output, uint32_t length, uint8_t* iv ) { uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; for(ctr = 0; ctr < length/SRTP_BLOCK_SIZE; ctr++) { //compute the cipher stream iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, &output[ctr*SRTP_BLOCK_SIZE]); } if ((length % SRTP_BLOCK_SIZE) > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); memcpy(&output[ctr*SRTP_BLOCK_SIZE], temp, length % SRTP_BLOCK_SIZE ); } } void SrtpSymCrypto::ctr_encrypt(const uint8_t* input, uint32_t input_length, uint8_t* output, uint8_t* iv ) { if (key == NULL) return; uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; int l = input_length/SRTP_BLOCK_SIZE; for (ctr = 0; ctr < l; ctr++ ) { iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < SRTP_BLOCK_SIZE; i++ ) { *output++ = temp[i] ^ *input++; } } l = input_length % SRTP_BLOCK_SIZE; if (l > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < l; i++ ) { *output++ = temp[i] ^ *input++; } } } void SrtpSymCrypto::ctr_encrypt( uint8_t* data, uint32_t data_length, uint8_t* iv ) { if (key == NULL) return; uint16_t ctr = 0; unsigned char temp[SRTP_BLOCK_SIZE]; int l = data_length/SRTP_BLOCK_SIZE; for (ctr = 0; ctr < l; ctr++ ) { iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < SRTP_BLOCK_SIZE; i++ ) { *data++ ^= temp[i]; } } l = data_length % SRTP_BLOCK_SIZE; if (l > 0) { // Treat the last bytes: iv[14] = (uint8_t)((ctr & 0xFF00) >> 8); iv[15] = (uint8_t)((ctr & 0x00FF)); encrypt(iv, temp); for (int i = 0; i < l; i++ ) { *data++ ^= temp[i]; } } } void SrtpSymCrypto::f8_encrypt(const uint8_t* data, uint32_t data_length, uint8_t* iv, SrtpSymCrypto* f8Cipher ) { f8_encrypt(data, data_length, const_cast(data), iv, f8Cipher); } #define MAX_KEYLEN 32 void SrtpSymCrypto::f8_deriveForIV(SrtpSymCrypto* f8Cipher, uint8_t* key, int32_t keyLen, uint8_t* salt, int32_t saltLen) { unsigned char *cp_in, *cp_in1, *cp_out; unsigned char maskedKey[MAX_KEYLEN]; unsigned char saltMask[MAX_KEYLEN]; if (keyLen > MAX_KEYLEN) return; if (saltLen > keyLen) return; /* * First copy the salt into the mask field, then fill with 0x55 to * get a full key. */ memcpy(saltMask, salt, saltLen); memset(saltMask+saltLen, 0x55, keyLen-saltLen); /* * XOR the original key with the above created mask to * get the special key. */ cp_out = maskedKey; cp_in = key; cp_in1 = saltMask; for (int i = 0; i < keyLen; i++) { *cp_out++ = *cp_in++ ^ *cp_in1++; } /* * Prepare the a new AES cipher with the special key to compute IV' */ f8Cipher->setNewKey(maskedKey, keyLen); } void SrtpSymCrypto::f8_encrypt(const uint8_t* in, uint32_t in_length, uint8_t* out, uint8_t* iv, SrtpSymCrypto* f8Cipher ) { int offset = 0; unsigned char ivAccent[SRTP_BLOCK_SIZE]; unsigned char S[SRTP_BLOCK_SIZE]; F8_CIPHER_CTX f8ctx; if (key == NULL) return; /* * Get memory for the derived IV (IV') */ f8ctx.ivAccent = ivAccent; /* * Use the derived IV encryption setup to encrypt the original IV to produce IV'. */ f8Cipher->encrypt(iv, f8ctx.ivAccent); f8ctx.J = 0; // initialize the counter f8ctx.S = S; // get the key stream buffer memset(f8ctx.S, 0, SRTP_BLOCK_SIZE); // initial value for key stream while (in_length >= SRTP_BLOCK_SIZE) { processBlock(&f8ctx, in+offset, SRTP_BLOCK_SIZE, out+offset); in_length -= SRTP_BLOCK_SIZE; offset += SRTP_BLOCK_SIZE; } if (in_length > 0) { processBlock(&f8ctx, in+offset, in_length, out+offset); } } int SrtpSymCrypto::processBlock(F8_CIPHER_CTX *f8ctx, const uint8_t* in, int32_t length, uint8_t* out) { int i; const uint8_t *cp_in; uint8_t* cp_in1, *cp_out; uint32_t *ui32p; /* * XOR the previous key stream with IV' * ( S(-1) xor IV' ) */ cp_in = f8ctx->ivAccent; cp_out = f8ctx->S; for (i = 0; i < SRTP_BLOCK_SIZE; i++) { *cp_out++ ^= *cp_in++; } /* * Now XOR (S(n-1) xor IV') with the current counter, then increment the counter */ ui32p = (uint32_t *)f8ctx->S; ui32p[3] ^= htonl(f8ctx->J); f8ctx->J++; /* * Now compute the new key stream using AES encrypt */ encrypt(f8ctx->S, f8ctx->S); /* * as the last step XOR the plain text with the key stream to produce * the ciphertext. */ cp_out = out; cp_in = in; cp_in1 = f8ctx->S; for (i = 0; i < length; i++) { *cp_out++ = *cp_in++ ^ *cp_in1++; } return length; } /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/ccrtp/crypto/brg_types.h0000664000175000017500000001541111767643350015164 00000000000000/* --------------------------------------------------------------------------- Copyright (c) 1998-2006, Brian Gladman, Worcester, UK. All rights reserved. LICENSE TERMS The free distribution and use of this software in both source and binary form is allowed (with or without changes) provided that: 1. distributions of this source code include the above copyright notice, this list of conditions and the following disclaimer; 2. distributions in binary form include the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other associated materials; 3. the copyright holder's name is not used to endorse products built using this software without specific written permission. ALTERNATIVELY, provided that this notice is retained in full, this product may be distributed under the terms of the GNU General Public License (GPL), in which case the provisions of the GPL apply INSTEAD OF those given above. DISCLAIMER This software is provided 'as is' with no explicit or implied warranties in respect of its properties, including, but not limited to, correctness and/or fitness for purpose. --------------------------------------------------------------------------- Issue 09/09/2006 The unsigned integer types defined here are of the form uint_t where is the length of the type; for example, the unsigned 32-bit type is 'uint_32t'. These are NOT the same as the 'C99 integer types' that are defined in the inttypes.h and stdint.h headers since attempts to use these types have shown that support for them is still highly variable. However, since the latter are of the form uint_t, a regular expression search and replace (in VC++ search on 'uint_{:z}t' and replace with 'uint\1_t') can be used to convert the types used here to the C99 standard types. */ #ifndef BRG_TYPES_H #define BRG_TYPES_H #if defined(__cplusplus) extern "C" { #endif #include #ifndef BRG_UI8 # define BRG_UI8 # if UCHAR_MAX == 255u typedef unsigned char uint_8t; # else # error Please define uint_8t as an 8-bit unsigned integer type in brg_types.h # endif #endif #ifndef BRG_UI16 # define BRG_UI16 # if USHRT_MAX == 65535u typedef unsigned short uint_16t; # else # error Please define uint_16t as a 16-bit unsigned short type in brg_types.h # endif #endif #ifndef BRG_UI32 # define BRG_UI32 # if UINT_MAX == 4294967295u # define li_32(h) 0x##h##u typedef unsigned int uint_32t; # elif ULONG_MAX == 4294967295u # define li_32(h) 0x##h##ul typedef unsigned long uint_32t; # elif defined( _CRAY ) # error This code needs 32-bit data types, which Cray machines do not provide # else # error Please define uint_32t as a 32-bit unsigned integer type in brg_types.h # endif #endif #ifndef BRG_UI64 # if defined( __BORLANDC__ ) && !defined( __MSDOS__ ) # define BRG_UI64 # define li_64(h) 0x##h##ui64 typedef unsigned __int64 uint_64t; # elif defined( _MSC_VER ) && ( _MSC_VER < 1300 ) /* 1300 == VC++ 7.0 */ # define BRG_UI64 # define li_64(h) 0x##h##ui64 typedef unsigned __int64 uint_64t; # elif defined( __sun ) && defined(ULONG_MAX) && ULONG_MAX == 0xfffffffful # define BRG_UI64 # define li_64(h) 0x##h##ull typedef unsigned long long uint_64t; # elif defined( UINT_MAX ) && UINT_MAX > 4294967295u # if UINT_MAX == 18446744073709551615u # define BRG_UI64 # define li_64(h) 0x##h##u typedef unsigned int uint_64t; # endif # elif defined( ULONG_MAX ) && ULONG_MAX > 4294967295u # if ULONG_MAX == 18446744073709551615ul # define BRG_UI64 # define li_64(h) 0x##h##ul typedef unsigned long uint_64t; # endif # elif defined( ULLONG_MAX ) && ULLONG_MAX > 4294967295u # if ULLONG_MAX == 18446744073709551615ull # define BRG_UI64 # define li_64(h) 0x##h##ull typedef unsigned long long uint_64t; # endif # elif defined( ULONG_LONG_MAX ) && ULONG_LONG_MAX > 4294967295u # if ULONG_LONG_MAX == 18446744073709551615ull # define BRG_UI64 # define li_64(h) 0x##h##ull typedef unsigned long long uint_64t; # endif # elif defined(__GNUC__) /* DLW: avoid mingw problem with -ansi */ # define BRG_UI64 # define li_64(h) 0x##h##ull typedef unsigned long long uint_64t; # endif #endif #if defined( NEED_UINT_64T ) && !defined( BRG_UI64 ) # error Please define uint_64t as an unsigned 64 bit type in brg_types.h #endif #ifndef RETURN_VALUES # define RETURN_VALUES # if defined( DLL_EXPORT ) # if defined( _MSC_VER ) || defined ( __INTEL_COMPILER ) # define VOID_RETURN __declspec( dllexport ) void __stdcall # define INT_RETURN __declspec( dllexport ) int __stdcall # elif defined( __GNUC__ ) # define VOID_RETURN __declspec( __dllexport__ ) void # define INT_RETURN __declspec( __dllexport__ ) int # else # error Use of the DLL is only available on the Microsoft, Intel and GCC compilers # endif # elif defined( DLL_IMPORT ) # if defined( _MSC_VER ) || defined ( __INTEL_COMPILER ) # define VOID_RETURN __declspec( dllimport ) void __stdcall # define INT_RETURN __declspec( dllimport ) int __stdcall # elif defined( __GNUC__ ) # define VOID_RETURN __declspec( __dllimport__ ) void # define INT_RETURN __declspec( __dllimport__ ) int # else # error Use of the DLL is only available on the Microsoft, Intel and GCC compilers # endif # elif defined( __WATCOMC__ ) # define VOID_RETURN void __cdecl # define INT_RETURN int __cdecl # else # define VOID_RETURN void # define INT_RETURN int # endif #endif /* These defines are used to declare buffers in a way that allows faster operations on longer variables to be used. In all these defines 'size' must be a power of 2 and >= 8 dec_unit_type(size,x) declares a variable 'x' of length 'size' bits dec_bufr_type(size,bsize,x) declares a buffer 'x' of length 'bsize' bytes defined as an array of variables each of 'size' bits (bsize must be a multiple of size / 8) ptr_cast(x,size) casts a pointer to a pointer to a varaiable of length 'size' bits */ #define ui_type(size) uint_##size##t #define dec_unit_type(size,x) typedef ui_type(size) x #define dec_bufr_type(size,bsize,x) typedef ui_type(size) x[bsize / (size >> 3)] #define ptr_cast(x,size) ((ui_type(size)*)(x)) #if defined(__cplusplus) } #endif #endif ccrtp-2.0.6/src/ccrtp/crypto/macSkein.h0000664000175000017500000001031511767643350014716 00000000000000/* Copyright (C) 2010 Werner Dittmann This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef MAC_SKEIN_H #define MAC_SKEIN_H #include /** * @file macSkein.h * @brief Function that provide Skein MAC support * * * Functions to compute Skein MAC. * * @ingroup GNU_ZRTP * @{ */ /** * Compute Skein MAC. * * This functions takes one data chunk and computes its Skein MAC. * * @param key * The MAC key. * @param key_length * Lneght of the MAC key in bytes * @param data * Points to the data chunk. * @param data_length * Length of the data in bytes * @param mac * Points to a buffer that receives the computed digest. * @param mac_length * Integer that contains the length of the MAC in bits (not bytes). * @param skeinSize * The Skein size to use. */ void macSkein( uint8_t* key, int32_t key_length, const uint8_t* data, uint32_t data_length, uint8_t* mac, int32_t mac_length, SkeinSize_t skeinSize ); /** * Compute Skein MAC over several data cunks. * * This functions takes several data chunk and computes the Skein MAC. * * @param key * The MAC key. * @param key_length * Lneght of the MAC key in bytes * @param data * Points to an array of pointers that point to the data chunks. A NULL * pointer in an array element terminates the data chunks. * @param data_length * Points to an array of integers that hold the length of each data chunk. * @param mac * Points to a buffer that receives the computed digest. * @param mac_length * Integer that contains the length of the MAC in bits (not bytes). * @param skeinSize * The Skein size to use. */ void macSkein( uint8_t* key, int32_t key_length, const uint8_t* data[], uint32_t data_length[], uint8_t* mac, int32_t mac_length, SkeinSize_t skeinSize); /** * Create and initialize a Skein MAC context. * * An application uses this context to hash several data with on Skein MAC * Context with the same key, key length and mac length * * @param key * The MAC key. * @param key_length * Lenght of the MAC key in bytes * @param mac_length * Integer that contains the length of the MAC in bits (not bytes). * @param skeinSize * The Skein size to use. * @return Returns a pointer to the initialized context */ void* createSkeinMacContext(uint8_t* key, int32_t key_length, int32_t mac_length, SkeinSize_t skeinSize); /** * Compute Skein MAC. * * This functions takes one data chunk and computes its Skein MAC. * * @param ctx * Pointer to initialized Skein MAC context * @param data * Points to the data chunk. * @param data_length * Length of the data in bytes * @param mac * Points to a buffer that receives the computed digest. */ void macSkeinCtx(void* ctx, const uint8_t* data, uint32_t data_length, uint8_t* mac); /** * Compute Skein MAC over several data cunks. * * This functions takes several data chunk and computes the SHA1 HAMAC. * * @param ctx * Pointer to initialized Skein MAC context * @param data * Points to an array of pointers that point to the data chunks. A NULL * pointer in an array element terminates the data chunks. * @param data_length * Points to an array of integers that hold the length of each data chunk. * @param mac * Points to a buffer that receives the computed digest. */ void macSkeinCtx(void* ctx, const uint8_t* data[], uint32_t data_length[], uint8_t* mac); /** * Free Skein MAC context. * * @param ctx a pointer to Skein MAC context */ void freeSkeinMacContext(void* ctx); /** * @} */ #endifccrtp-2.0.6/src/ccrtp/crypto/skein.c0000664000175000017500000010226411767643350014275 00000000000000/*********************************************************************** ** ** Implementation of the Skein hash function. ** ** Source code author: Doug Whiting, 2008. ** ** This algorithm and source code is released to the public domain. ** ************************************************************************/ #define SKEIN_PORT_CODE /* instantiate any code in skein_port.h */ #include /* get the memcpy/memset functions */ #include /* get the Skein API definitions */ #include /* get precomputed IVs */ /*****************************************************************/ /* External function to process blkCnt (nonzero) full block(s) of data. */ void Skein_256_Process_Block(Skein_256_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd); void Skein_512_Process_Block(Skein_512_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd); void Skein1024_Process_Block(Skein1024_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd); /*****************************************************************/ /* 256-bit Skein */ /*****************************************************************/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a straight hashing operation */ int Skein_256_Init(Skein_256_Ctxt_t *ctx, size_t hashBitLen) { union { u08b_t b[SKEIN_256_STATE_BYTES]; u64b_t w[SKEIN_256_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ switch (hashBitLen) { /* use pre-computed values, where available */ case 256: memcpy(ctx->X,SKEIN_256_IV_256,sizeof(ctx->X)); break; case 224: memcpy(ctx->X,SKEIN_256_IV_224,sizeof(ctx->X)); break; case 160: memcpy(ctx->X,SKEIN_256_IV_160,sizeof(ctx->X)); break; case 128: memcpy(ctx->X,SKEIN_256_IV_128,sizeof(ctx->X)); break; default: /* here if there is no precomputed IV value available */ /* build/process the config block, type == CONFIG (could be precomputed) */ Skein_Start_New_Type(ctx,CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); memset(&cfg.w[3],0,sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ /* compute the initial chaining values from config block */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the chaining variables */ Skein_256_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); break; } /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); /* T0=0, T1= MSG type */ return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a MAC and/or tree hash operation */ /* [identical to Skein_256_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ int Skein_256_InitExt(Skein_256_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) { union { u08b_t b[SKEIN_256_STATE_BYTES]; u64b_t w[SKEIN_256_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); /* compute the initial chaining values ctx->X[], based on key */ if (keyBytes == 0) /* is there a key? */ { memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ } else /* here to pre-process a key */ { Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); /* do a mini-Init right here */ ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ Skein_256_Update(ctx,key,keyBytes); /* hash the key */ Skein_256_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ #if SKEIN_NEED_SWAP { uint_t i; for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); } #endif } /* build/process the config block, type == CONFIG (could be precomputed for each key) */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ Skein_Start_New_Type(ctx,CFG_FINAL); memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ Skein_Show_Key(256,&ctx->h,key,keyBytes); /* compute the initial chaining values from config block */ Skein_256_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); /* The chaining vars ctx->X are now initialized */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* process the input bytes */ int Skein_256_Update(Skein_256_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt) { size_t n; Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* process full blocks, if any */ if (msgByteCnt + ctx->h.bCnt > SKEIN_256_BLOCK_BYTES) { if (ctx->h.bCnt) /* finish up any buffered message data */ { n = SKEIN_256_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ if (n) { Skein_assert(n < msgByteCnt); /* check on our logic here */ memcpy(&ctx->b[ctx->h.bCnt],msg,n); msgByteCnt -= n; msg += n; ctx->h.bCnt += n; } Skein_assert(ctx->h.bCnt == SKEIN_256_BLOCK_BYTES); Skein_256_Process_Block(ctx,ctx->b,1,SKEIN_256_BLOCK_BYTES); ctx->h.bCnt = 0; } /* now process any remaining full blocks, directly from input message data */ if (msgByteCnt > SKEIN_256_BLOCK_BYTES) { n = (msgByteCnt-1) / SKEIN_256_BLOCK_BYTES; /* number of full blocks to process */ Skein_256_Process_Block(ctx,msg,n,SKEIN_256_BLOCK_BYTES); msgByteCnt -= n * SKEIN_256_BLOCK_BYTES; msg += n * SKEIN_256_BLOCK_BYTES; } Skein_assert(ctx->h.bCnt == 0); } /* copy any remaining source message data bytes into b[] */ if (msgByteCnt) { Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES); memcpy(&ctx->b[ctx->h.bCnt],msg,msgByteCnt); ctx->h.bCnt += msgByteCnt; } return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the result */ int Skein_256_Final(Skein_256_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN_256_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); Skein_256_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN_256_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein_256_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN_256_BLOCK_BYTES) n = SKEIN_256_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN_256_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } /*****************************************************************/ /* 512-bit Skein */ /*****************************************************************/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a straight hashing operation */ int Skein_512_Init(Skein_512_Ctxt_t *ctx, size_t hashBitLen) { union { u08b_t b[SKEIN_512_STATE_BYTES]; u64b_t w[SKEIN_512_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ switch (hashBitLen) { /* use pre-computed values, where available */ case 512: memcpy(ctx->X,SKEIN_512_IV_512,sizeof(ctx->X)); break; case 384: memcpy(ctx->X,SKEIN_512_IV_384,sizeof(ctx->X)); break; case 256: memcpy(ctx->X,SKEIN_512_IV_256,sizeof(ctx->X)); break; case 224: memcpy(ctx->X,SKEIN_512_IV_224,sizeof(ctx->X)); break; default: /* here if there is no precomputed IV value available */ /* build/process the config block, type == CONFIG (could be precomputed) */ Skein_Start_New_Type(ctx,CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); memset(&cfg.w[3],0,sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ /* compute the initial chaining values from config block */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the chaining variables */ Skein_512_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); break; } /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); /* T0=0, T1= MSG type */ return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a MAC and/or tree hash operation */ /* [identical to Skein_512_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ int Skein_512_InitExt(Skein_512_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) { union { u08b_t b[SKEIN_512_STATE_BYTES]; u64b_t w[SKEIN_512_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); /* compute the initial chaining values ctx->X[], based on key */ if (keyBytes == 0) /* is there a key? */ { memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ } else /* here to pre-process a key */ { Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); /* do a mini-Init right here */ ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ Skein_512_Update(ctx,key,keyBytes); /* hash the key */ Skein_512_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ #if SKEIN_NEED_SWAP { uint_t i; for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); } #endif } /* build/process the config block, type == CONFIG (could be precomputed for each key) */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ Skein_Start_New_Type(ctx,CFG_FINAL); memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ Skein_Show_Key(512,&ctx->h,key,keyBytes); /* compute the initial chaining values from config block */ Skein_512_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); /* The chaining vars ctx->X are now initialized */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* process the input bytes */ int Skein_512_Update(Skein_512_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt) { size_t n; Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* process full blocks, if any */ if (msgByteCnt + ctx->h.bCnt > SKEIN_512_BLOCK_BYTES) { if (ctx->h.bCnt) /* finish up any buffered message data */ { n = SKEIN_512_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ if (n) { Skein_assert(n < msgByteCnt); /* check on our logic here */ memcpy(&ctx->b[ctx->h.bCnt],msg,n); msgByteCnt -= n; msg += n; ctx->h.bCnt += n; } Skein_assert(ctx->h.bCnt == SKEIN_512_BLOCK_BYTES); Skein_512_Process_Block(ctx,ctx->b,1,SKEIN_512_BLOCK_BYTES); ctx->h.bCnt = 0; } /* now process any remaining full blocks, directly from input message data */ if (msgByteCnt > SKEIN_512_BLOCK_BYTES) { n = (msgByteCnt-1) / SKEIN_512_BLOCK_BYTES; /* number of full blocks to process */ Skein_512_Process_Block(ctx,msg,n,SKEIN_512_BLOCK_BYTES); msgByteCnt -= n * SKEIN_512_BLOCK_BYTES; msg += n * SKEIN_512_BLOCK_BYTES; } Skein_assert(ctx->h.bCnt == 0); } /* copy any remaining source message data bytes into b[] */ if (msgByteCnt) { Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES); memcpy(&ctx->b[ctx->h.bCnt],msg,msgByteCnt); ctx->h.bCnt += msgByteCnt; } return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the result */ int Skein_512_Final(Skein_512_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN_512_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); Skein_512_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN_512_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein_512_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN_512_BLOCK_BYTES) n = SKEIN_512_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(512,&ctx->h,n,hashVal+i*SKEIN_512_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } /*****************************************************************/ /* 1024-bit Skein */ /*****************************************************************/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a straight hashing operation */ int Skein1024_Init(Skein1024_Ctxt_t *ctx, size_t hashBitLen) { union { u08b_t b[SKEIN1024_STATE_BYTES]; u64b_t w[SKEIN1024_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ switch (hashBitLen) { /* use pre-computed values, where available */ case 512: memcpy(ctx->X,SKEIN1024_IV_512 ,sizeof(ctx->X)); break; case 384: memcpy(ctx->X,SKEIN1024_IV_384 ,sizeof(ctx->X)); break; case 1024: memcpy(ctx->X,SKEIN1024_IV_1024,sizeof(ctx->X)); break; default: /* here if there is no precomputed IV value available */ /* build/process the config block, type == CONFIG (could be precomputed) */ Skein_Start_New_Type(ctx,CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); memset(&cfg.w[3],0,sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ /* compute the initial chaining values from config block */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the chaining variables */ Skein1024_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); break; } /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); /* T0=0, T1= MSG type */ return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* init the context for a MAC and/or tree hash operation */ /* [identical to Skein1024_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ int Skein1024_InitExt(Skein1024_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) { union { u08b_t b[SKEIN1024_STATE_BYTES]; u64b_t w[SKEIN1024_STATE_WORDS]; } cfg; /* config block */ Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); /* compute the initial chaining values ctx->X[], based on key */ if (keyBytes == 0) /* is there a key? */ { memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ } else /* here to pre-process a key */ { Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); /* do a mini-Init right here */ ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ Skein1024_Update(ctx,key,keyBytes); /* hash the key */ Skein1024_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ #if SKEIN_NEED_SWAP { uint_t i; for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); } #endif } /* build/process the config block, type == CONFIG (could be precomputed for each key) */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ Skein_Start_New_Type(ctx,CFG_FINAL); memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ Skein_Show_Key(1024,&ctx->h,key,keyBytes); /* compute the initial chaining values from config block */ Skein1024_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); /* The chaining vars ctx->X are now initialized */ /* Set up to process the data message portion of the hash (default) */ Skein_Start_New_Type(ctx,MSG); return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* process the input bytes */ int Skein1024_Update(Skein1024_Ctxt_t *ctx, const u08b_t *msg, size_t msgByteCnt) { size_t n; Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* process full blocks, if any */ if (msgByteCnt + ctx->h.bCnt > SKEIN1024_BLOCK_BYTES) { if (ctx->h.bCnt) /* finish up any buffered message data */ { n = SKEIN1024_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ if (n) { Skein_assert(n < msgByteCnt); /* check on our logic here */ memcpy(&ctx->b[ctx->h.bCnt],msg,n); msgByteCnt -= n; msg += n; ctx->h.bCnt += n; } Skein_assert(ctx->h.bCnt == SKEIN1024_BLOCK_BYTES); Skein1024_Process_Block(ctx,ctx->b,1,SKEIN1024_BLOCK_BYTES); ctx->h.bCnt = 0; } /* now process any remaining full blocks, directly from input message data */ if (msgByteCnt > SKEIN1024_BLOCK_BYTES) { n = (msgByteCnt-1) / SKEIN1024_BLOCK_BYTES; /* number of full blocks to process */ Skein1024_Process_Block(ctx,msg,n,SKEIN1024_BLOCK_BYTES); msgByteCnt -= n * SKEIN1024_BLOCK_BYTES; msg += n * SKEIN1024_BLOCK_BYTES; } Skein_assert(ctx->h.bCnt == 0); } /* copy any remaining source message data bytes into b[] */ if (msgByteCnt) { Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES); memcpy(&ctx->b[ctx->h.bCnt],msg,msgByteCnt); ctx->h.bCnt += msgByteCnt; } return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the result */ int Skein1024_Final(Skein1024_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN1024_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); Skein1024_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN1024_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein1024_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN1024_BLOCK_BYTES) n = SKEIN1024_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(1024,&ctx->h,n,hashVal+i*SKEIN1024_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } /**************** Functions to support MAC/tree hashing ***************/ /* (this code is identical for Optimized and Reference versions) */ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the block, no OUTPUT stage */ int Skein_256_Final_Pad(Skein_256_Ctxt_t *ctx, u08b_t *hashVal) { Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); Skein_256_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN_256_BLOCK_BYTES); /* "output" the state bytes */ return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the block, no OUTPUT stage */ int Skein_512_Final_Pad(Skein_512_Ctxt_t *ctx, u08b_t *hashVal) { Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); Skein_512_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN_512_BLOCK_BYTES); /* "output" the state bytes */ return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* finalize the hash computation and output the block, no OUTPUT stage */ int Skein1024_Final_Pad(Skein1024_Ctxt_t *ctx, u08b_t *hashVal) { Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ memset(&ctx->b[ctx->h.bCnt],0,SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); Skein1024_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN1024_BLOCK_BYTES); /* "output" the state bytes */ return SKEIN_SUCCESS; } #if SKEIN_TREE_HASH /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* just do the OUTPUT stage */ int Skein_256_Output(Skein_256_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN_256_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN_256_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein_256_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN_256_BLOCK_BYTES) n = SKEIN_256_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN_256_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* just do the OUTPUT stage */ int Skein_512_Output(Skein_512_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN_512_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN_512_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein_512_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN_512_BLOCK_BYTES) n = SKEIN_512_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN_512_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* just do the OUTPUT stage */ int Skein1024_Output(Skein1024_Ctxt_t *ctx, u08b_t *hashVal) { size_t i,n,byteCnt; u64b_t X[SKEIN1024_STATE_WORDS]; Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ /* now output the result */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ /* run Threefish in "counter mode" to generate output */ memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ for (i=0;i*SKEIN1024_BLOCK_BYTES < byteCnt;i++) { ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ Skein_Start_New_Type(ctx,OUT_FINAL); Skein1024_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ if (n >= SKEIN1024_BLOCK_BYTES) n = SKEIN1024_BLOCK_BYTES; Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN1024_BLOCK_BYTES); memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ } return SKEIN_SUCCESS; } #endif ccrtp-2.0.6/src/ccrtp/crypto/skeinApi.h0000664000175000017500000001724311767643350014736 00000000000000/* Copyright (c) 2010 Werner Dittmann Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef SKEINAPI_H #define SKEINAPI_H /** * @file skeinApi.h * @brief A Skein API and its functions. * @{ * * This API and the functions that implement this API simplify the usage * of Skein. The design and the way to use the functions follow the openSSL * design but at the same time take care of some Skein specific behaviour * and possibilities. * * The functions enable applications to create a normal Skein hashes and * message authentication codes (MAC). * * Using these functions is simple and straight forward: * * @code * * #include * * ... * SkeinCtx_t ctx; // a Skein hash or MAC context * * // prepare context, here for a Skein with a state size of 512 bits. * skeinCtxPrepare(&ctx, Skein512); * * // Initialize the context to set the requested hash length in bits * // here request a output hash size of 31 bits (Skein supports variable * // output sizes even very strange sizes) * skeinInit(&ctx, 31); * * // Now update Skein with any number of message bits. A function that * // takes a number of bytes is also available. * skeinUpdateBits(&ctx, message, msgLength); * * // Now get the result of the Skein hash. The output buffer must be * // large enough to hold the request number of output bits. The application * // may now extract the bits. * skeinFinal(&ctx, result); * ... * @endcode * * An application may use @c skeinReset to reset a Skein context and use * it for creation of another hash with the same Skein state size and output * bit length. In this case the API implementation restores some internal * internal state data and saves a full Skein initialization round. * * To create a MAC the application just uses @c skeinMacInit instead of * @c skeinInit. All other functions calls remain the same. * */ #include #ifdef _MSC_VER typedef signed __int8 int8_t; typedef unsigned __int8 uint8_t; typedef signed __int16 int16_t; typedef unsigned __int16 uint16_t; typedef signed __int32 int32_t; typedef unsigned __int32 uint32_t; typedef signed __int64 int64_t; typedef unsigned __int64 uint64_t; #else #include #endif #ifdef __cplusplus extern "C" { #endif /** * Which Skein size to use */ typedef enum SkeinSize { Skein256 = 256, /*!< Skein with 256 bit state */ Skein512 = 512, /*!< Skein with 512 bit state */ Skein1024 = 1024 /*!< Skein with 1024 bit state */ } SkeinSize_t; /** * Context for Skein. * * This structure was setup with some know-how of the internal * Skein structures, in particular ordering of header and size dependent * variables. If Skein implementation changes this, then adapt these * structures as well. */ typedef struct SkeinCtx { u64b_t skeinSize; u64b_t XSave[SKEIN_MAX_STATE_WORDS]; /* save area for state variables */ union { Skein_Ctxt_Hdr_t h; Skein_256_Ctxt_t s256; Skein_512_Ctxt_t s512; Skein1024_Ctxt_t s1024; } m; } SkeinCtx_t; /** * Prepare a Skein context. * * An application must call this function before it can use the Skein * context. The functions clears memory and initializes size dependent * variables. * * @param ctx * Pointer to a Skein context. * @param size * Which Skein size to use. * @return * SKEIN_SUCESS of SKEIN_FAIL */ int skeinCtxPrepare(SkeinCtx_t* ctx, SkeinSize_t size); /** * Initialize a Skein context. * * Initializes the context with this data and saves the resulting Skein * state variables for further use. * * @param ctx * Pointer to a Skein context. * @param hashBitLen * Number of MAC hash bits to compute or zero * @return * SKEIN_SUCESS of SKEIN_FAIL * @see skeinReset */ int skeinInit(SkeinCtx_t* ctx, size_t hashBitLen); /** * Resets a Skein context for furter use. * * Restores the saved chaining variables to reset the Skein context. * Thus applications can reuse the same setup to process several * messages. This saves a complete Skein initialization cycle. * * @param ctx * Pointer to a pre-initialized Skein MAC context */ void skeinReset(SkeinCtx_t* ctx); /** * Initializes or reuses a Skein context for MAC usage. * * Initializes the context with this data and saves the resulting Skein * state variables for further use. * * Applications call the normal Skein functions to update the MAC and * get the final result. * * @param ctx * Pointer to an empty or preinitialized Skein MAC context * @param key * Pointer to key bytes or NULL * @param keyLen * Length of the key in bytes or zero * @param hashBitLen * Number of MAC hash bits to compute or zero * @return * SKEIN_SUCESS of SKEIN_FAIL */ int skeinMacInit(SkeinCtx_t* ctx, const uint8_t *key, size_t keyLen, size_t hashBitLen); /** * Update Skein with the next part of the message. * * @param ctx * Pointer to initialized Skein context * @param msg * Pointer to the message. * @param msgByteCnt * Length of the message in @b bytes * @return * Success or error code. */ int skeinUpdate(SkeinCtx_t *ctx, const uint8_t *msg, size_t msgByteCnt); /** * Update the hash with a message bit string. * * Skein can handle data not only as bytes but also as bit strings of * arbitrary length (up to its maximum design size). * * @param ctx * Pointer to initialized Skein context * @param msg * Pointer to the message. * @param msgBitCnt * Length of the message in @b bits. */ int skeinUpdateBits(SkeinCtx_t *ctx, const uint8_t *msg, size_t msgBitCnt); /** * Finalize Skein and return the hash. * * Before an application can reuse a Skein setup the application must * reinitialize the Skein context.See the approriate initialization * methods how to achieve this. * * @param ctx * Pointer to initialized Skein context * @param hash * Pointer to buffer that receives the hash. The buffer must be large * enough to store @c hashBitLen bits. * @return * Success or error code. * @see skeinInit * @see skeinMacInit */ int skeinFinal(SkeinCtx_t* ctx, uint8_t* hash); #ifdef __cplusplus } #endif /** * @} */ #endif ccrtp-2.0.6/src/ccrtp/crypto/twofish.h0000664000175000017500000001644311767643350014657 00000000000000/* * Fast, portable, and easy-to-use Twofish implementation, * Version 0.3. * Copyright (c) 2002 by Niels Ferguson. * * See the twofish.c file for the details of the how and why of this code. * * The author hereby grants a perpetual license to everybody to * use this code for any purpose as long as the copyright message is included * in the source code of this or any derived work. */ /* * PLATFORM FIXES * ============== * * The following definitions have to be fixed for each particular platform * you work on. If you have a multi-platform program, you no doubt have * portable definitions that you can substitute here without changing * the rest of the code. * * The defaults provided here should work on most PC compilers. */ #ifndef _TWOFISH_H #define _TWOFISH_H #ifdef __cplusplus extern "C" { #endif /** * A Twofish_Byte must be an unsigned 8-bit integer. * * It must also be the elementary data size of your C platform, * i.e. sizeof( Twofish_Byte ) == 1. */ typedef unsigned char Twofish_Byte; /** * A Twofish_UInt32 must be an unsigned integer of at least 32 bits. * * This type is used only internally in the implementation, so ideally it * would not appear in the header file, but it is used inside the * Twofish_key structure which means it has to be included here. */ typedef unsigned int Twofish_UInt32; /* * END OF PLATFORM FIXES * ===================== * * You should not have to touch the rest of this file, but the code * in twofish.c has a few things you need to fix too. */ /** * Return codes */ #define SUCCESS 1 #define ERR_UINT32 -2 #define ERR_BYTE -3 #define ERR_GET32 -4 #define ERR_PUT32 -5 #define ERR_ROLR -6 #define ERR_BSWAP -7 #define ERR_SELECTB -8 #define ERR_TEST_ENC -9 #define ERR_TEST_DEC -10 #define ERR_SEQ_ENC -11 #define ERR_SEQ_DEC -12 #define ERR_ODD_KEY -13 #define ERR_INIT -14 #define ERR_KEY_LEN -15 #define ERR_ILL_ARG -16 /** * Structure that contains a prepared Twofish key. * * A cipher key is used in two stages. In the first stage it is converted * form the original form to an internal representation. * This internal form is then used to encrypt and decrypt data. * This structure contains the internal form. It is rather large: 4256 bytes * on a platform with 32-bit unsigned values. * * Treat this as an opague structure, and don't try to manipulate the * elements in it. I wish I could hide the inside of the structure, * but C doesn't allow that. */ typedef struct { Twofish_UInt32 s[4][256]; /* pre-computed S-boxes */ Twofish_UInt32 K[40]; /* Round key words */ } Twofish_key; /** * Initialise and test the Twofish implementation. * * This function MUST be called before any other function in the * Twofish implementation is called. * It only needs to be called once. * * Apart from initialising the implementation it performs a self test. * If the Twofish_fatal function is not called, the code passed the test. * (See the twofish.c file for details on the Twofish_fatal function.) * * @returns a negative number if an error happend, +1 otherwise */ extern int Twofish_initialise(); /** * Convert a cipher key to the internal form used for * encryption and decryption. * * The cipher key is an array of bytes; the Twofish_Byte type is * defined above to a type suitable on your platform. * * Any key must be converted to an internal form in the Twofisk_key structure * before it can be used. * The encryption and decryption functions only work with the internal form. * The conversion to internal form need only be done once for each key value. * * Be sure to wipe all key storage, including the Twofish_key structure, * once you are done with the key data. * A simple memset( TwofishKey, 0, sizeof( TwofishKey ) ) will do just fine. * * Unlike most implementations, this one allows any key size from 0 bytes * to 32 bytes. According to the Twofish specifications, * irregular key sizes are handled by padding the key with zeroes at the end * until the key size is 16, 24, or 32 bytes, whichever * comes first. Note that each key of irregular size is equivalent to exactly * one key of 16, 24, or 32 bytes. * * WARNING: Short keys have low entropy, and result in low security. * Anything less than 8 bytes is utterly insecure. For good security * use at least 16 bytes. I prefer to use 32-byte keys to prevent * any collision attacks on the key. * * The key length argument key_len must be in the proper range. * If key_len is not in the range 0,...,32 this routine attempts to generate * a fatal error (depending on the code environment), * and at best (or worst) returns without having done anything. * * @param key Array of key bytes * @param key_len Number of key bytes, must be in the range 0,1,...,32. * @para xkey Pointer to an Twofish_key structure that will be filled * with the internal form of the cipher key. * @returns a negative number if an error happend, +1 otherwise */ extern int Twofish_prepare_key( Twofish_Byte key[], int key_len, Twofish_key * xkey ); /** * Encrypt a single block of data. * * This function encrypts a single block of 16 bytes of data. * If you want to encrypt a larger or variable-length message, * you will have to use a cipher mode, such as CBC or CTR. * These are outside the scope of this implementation. * * The xkey structure is not modified by this routine, and can be * used for further encryption and decryption operations. * * @param xkey pointer to Twofish_key, internal form of the key * produces by Twofish_prepare_key() * @param p Plaintext to be encrypted * @param c Place to store the ciphertext */ extern void Twofish_encrypt( Twofish_key * xkey, Twofish_Byte p[16], Twofish_Byte c[16] ); /** * Decrypt a single block of data. * * This function decrypts a single block of 16 bytes of data. * If you want to decrypt a larger or variable-length message, * you will have to use a cipher mode, such as CBC or CTR. * These are outside the scope of this implementation. * * The xkey structure is not modified by this routine, and can be * used for further encryption and decryption operations. * * @param xkey pointer to Twofish_key, internal form of the key * produces by Twofish_prepare_key() * @param c Ciphertext to be decrypted * @param p Place to store the plaintext */ extern void Twofish_decrypt( Twofish_key * xkey, Twofish_Byte c[16], Twofish_Byte p[16] ); #ifdef __cplusplus } #endif #endif ccrtp-2.0.6/src/ccrtp/crypto/skein_block.c0000664000175000017500000006440411767643350015452 00000000000000/*********************************************************************** ** ** Implementation of the Skein block functions. ** ** Source code author: Doug Whiting, 2008. ** ** This algorithm and source code is released to the public domain. ** ** Compile-time switches: ** ** SKEIN_USE_ASM -- set bits (256/512/1024) to select which ** versions use ASM code for block processing ** [default: use C for all block sizes] ** ************************************************************************/ #include #include #ifndef SKEIN_USE_ASM #define SKEIN_USE_ASM (0) /* default is all C code (no ASM) */ #endif #ifndef SKEIN_LOOP #define SKEIN_LOOP 001 /* default: unroll 256 and 512, but not 1024 */ #endif #define BLK_BITS (WCNT*64) /* some useful definitions for code here */ #define KW_TWK_BASE (0) #define KW_KEY_BASE (3) #define ks (kw + KW_KEY_BASE) #define ts (kw + KW_TWK_BASE) #ifdef SKEIN_DEBUG #define DebugSaveTweak(ctx) { ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; } #else #define DebugSaveTweak(ctx) #endif /***************************** Skein_256 ******************************/ #if !(SKEIN_USE_ASM & 256) void Skein_256_Process_Block(Skein_256_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd) { /* do it in C */ enum { WCNT = SKEIN_256_STATE_WORDS }; #undef RCNT #define RCNT (SKEIN_256_ROUNDS_TOTAL/8) #ifdef SKEIN_LOOP /* configure how much to unroll the loop */ #define SKEIN_UNROLL_256 (((SKEIN_LOOP)/100)%10) #else #define SKEIN_UNROLL_256 (0) #endif #if SKEIN_UNROLL_256 #if (RCNT % SKEIN_UNROLL_256) #error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */ #endif size_t r; u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ #else u64b_t kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ #endif u64b_t X0,X1,X2,X3; /* local copy of context vars, for speed */ u64b_t w [WCNT]; /* local copy of input block */ #ifdef SKEIN_DEBUG const u64b_t *Xptr[4]; /* use for debugging (help compiler put Xn in registers) */ Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3; #endif Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ ts[0] = ctx->h.T[0]; ts[1] = ctx->h.T[1]; do { /* this implementation only supports 2**64 input bytes (no carry out here) */ ts[0] += byteCntAdd; /* update processed length */ /* precompute the key schedule for this block */ ks[0] = ctx->X[0]; ks[1] = ctx->X[1]; ks[2] = ctx->X[2]; ks[3] = ctx->X[3]; ks[4] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ SKEIN_KS_PARITY; ts[2] = ts[0] ^ ts[1]; Skein_Get64_LSB_First(w,blkPtr,WCNT); /* get input block in little-endian format */ DebugSaveTweak(ctx); Skein_Show_Block(BLK_BITS,&ctx->h,ctx->X,blkPtr,w,ks,ts); X0 = w[0] + ks[0]; /* do the first full key injection */ X1 = w[1] + ks[1] + ts[0]; X2 = w[2] + ks[2] + ts[1]; X3 = w[3] + ks[3]; Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INITIAL,Xptr); /* show starting state values */ blkPtr += SKEIN_256_BLOCK_BYTES; /* run the rounds */ #define Round256(p0,p1,p2,p3,ROT,rNum) \ X##p0 += X##p1; X##p1 = RotL_64(X##p1,ROT##_0); X##p1 ^= X##p0; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3,ROT##_1); X##p3 ^= X##p2; \ #if SKEIN_UNROLL_256 == 0 #define R256(p0,p1,p2,p3,ROT,rNum) /* fully unrolled */ \ Round256(p0,p1,p2,p3,ROT,rNum) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,rNum,Xptr); #define I256(R) \ X0 += ks[((R)+1) % 5]; /* inject the key schedule value */ \ X1 += ks[((R)+2) % 5] + ts[((R)+1) % 3]; \ X2 += ks[((R)+3) % 5] + ts[((R)+2) % 3]; \ X3 += ks[((R)+4) % 5] + (R)+1; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); #else /* looping version */ #define R256(p0,p1,p2,p3,ROT,rNum) \ Round256(p0,p1,p2,p3,ROT,rNum) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,4*(r-1)+rNum,Xptr); #define I256(R) \ X0 += ks[r+(R)+0]; /* inject the key schedule value */ \ X1 += ks[r+(R)+1] + ts[r+(R)+0]; \ X2 += ks[r+(R)+2] + ts[r+(R)+1]; \ X3 += ks[r+(R)+3] + r+(R) ; \ ks[r + (R)+4 ] = ks[r+(R)-1]; /* rotate key schedule */\ ts[r + (R)+2 ] = ts[r+(R)-1]; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); for (r=1;r < 2*RCNT;r+=2*SKEIN_UNROLL_256) /* loop thru it */ #endif { #define R256_8_rounds(R) \ R256(0,1,2,3,R_256_0,8*(R) + 1); \ R256(0,3,2,1,R_256_1,8*(R) + 2); \ R256(0,1,2,3,R_256_2,8*(R) + 3); \ R256(0,3,2,1,R_256_3,8*(R) + 4); \ I256(2*(R)); \ R256(0,1,2,3,R_256_4,8*(R) + 5); \ R256(0,3,2,1,R_256_5,8*(R) + 6); \ R256(0,1,2,3,R_256_6,8*(R) + 7); \ R256(0,3,2,1,R_256_7,8*(R) + 8); \ I256(2*(R)+1); R256_8_rounds( 0); #define R256_Unroll_R(NN) ((SKEIN_UNROLL_256 == 0 && SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_256 > (NN))) #if R256_Unroll_R( 1) R256_8_rounds( 1); #endif #if R256_Unroll_R( 2) R256_8_rounds( 2); #endif #if R256_Unroll_R( 3) R256_8_rounds( 3); #endif #if R256_Unroll_R( 4) R256_8_rounds( 4); #endif #if R256_Unroll_R( 5) R256_8_rounds( 5); #endif #if R256_Unroll_R( 6) R256_8_rounds( 6); #endif #if R256_Unroll_R( 7) R256_8_rounds( 7); #endif #if R256_Unroll_R( 8) R256_8_rounds( 8); #endif #if R256_Unroll_R( 9) R256_8_rounds( 9); #endif #if R256_Unroll_R(10) R256_8_rounds(10); #endif #if R256_Unroll_R(11) R256_8_rounds(11); #endif #if R256_Unroll_R(12) R256_8_rounds(12); #endif #if R256_Unroll_R(13) R256_8_rounds(13); #endif #if R256_Unroll_R(14) R256_8_rounds(14); #endif #if (SKEIN_UNROLL_256 > 14) #error "need more unrolling in Skein_256_Process_Block" #endif } /* do the final "feedforward" xor, update context chaining vars */ ctx->X[0] = X0 ^ w[0]; ctx->X[1] = X1 ^ w[1]; ctx->X[2] = X2 ^ w[2]; ctx->X[3] = X3 ^ w[3]; Skein_Show_Round(BLK_BITS,&ctx->h,SKEIN_RND_FEED_FWD,ctx->X); ts[1] &= ~SKEIN_T1_FLAG_FIRST; } while (--blkCnt); ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; } #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) size_t Skein_256_Process_Block_CodeSize(void) { return ((u08b_t *) Skein_256_Process_Block_CodeSize) - ((u08b_t *) Skein_256_Process_Block); } uint_t Skein_256_Unroll_Cnt(void) { return SKEIN_UNROLL_256; } #endif #endif /***************************** Skein_512 ******************************/ #if !(SKEIN_USE_ASM & 512) void Skein_512_Process_Block(Skein_512_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd) { /* do it in C */ enum { WCNT = SKEIN_512_STATE_WORDS }; #undef RCNT #define RCNT (SKEIN_512_ROUNDS_TOTAL/8) #ifdef SKEIN_LOOP /* configure how much to unroll the loop */ #define SKEIN_UNROLL_512 (((SKEIN_LOOP)/10)%10) #else #define SKEIN_UNROLL_512 (0) #endif #if SKEIN_UNROLL_512 #if (RCNT % SKEIN_UNROLL_512) #error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */ #endif size_t r; u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ #else u64b_t kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ #endif u64b_t X0,X1,X2,X3,X4,X5,X6,X7; /* local copy of vars, for speed */ u64b_t w [WCNT]; /* local copy of input block */ #ifdef SKEIN_DEBUG const u64b_t *Xptr[8]; /* use for debugging (help compiler put Xn in registers) */ Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3; Xptr[4] = &X4; Xptr[5] = &X5; Xptr[6] = &X6; Xptr[7] = &X7; #endif Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ ts[0] = ctx->h.T[0]; ts[1] = ctx->h.T[1]; do { /* this implementation only supports 2**64 input bytes (no carry out here) */ ts[0] += byteCntAdd; /* update processed length */ /* precompute the key schedule for this block */ ks[0] = ctx->X[0]; ks[1] = ctx->X[1]; ks[2] = ctx->X[2]; ks[3] = ctx->X[3]; ks[4] = ctx->X[4]; ks[5] = ctx->X[5]; ks[6] = ctx->X[6]; ks[7] = ctx->X[7]; ks[8] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ SKEIN_KS_PARITY; ts[2] = ts[0] ^ ts[1]; Skein_Get64_LSB_First(w,blkPtr,WCNT); /* get input block in little-endian format */ DebugSaveTweak(ctx); Skein_Show_Block(BLK_BITS,&ctx->h,ctx->X,blkPtr,w,ks,ts); X0 = w[0] + ks[0]; /* do the first full key injection */ X1 = w[1] + ks[1]; X2 = w[2] + ks[2]; X3 = w[3] + ks[3]; X4 = w[4] + ks[4]; X5 = w[5] + ks[5] + ts[0]; X6 = w[6] + ks[6] + ts[1]; X7 = w[7] + ks[7]; blkPtr += SKEIN_512_BLOCK_BYTES; Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INITIAL,Xptr); /* run the rounds */ #define Round512(p0,p1,p2,p3,p4,p5,p6,p7,ROT,rNum) \ X##p0 += X##p1; X##p1 = RotL_64(X##p1,ROT##_0); X##p1 ^= X##p0; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3,ROT##_1); X##p3 ^= X##p2; \ X##p4 += X##p5; X##p5 = RotL_64(X##p5,ROT##_2); X##p5 ^= X##p4; \ X##p6 += X##p7; X##p7 = RotL_64(X##p7,ROT##_3); X##p7 ^= X##p6; \ #if SKEIN_UNROLL_512 == 0 #define R512(p0,p1,p2,p3,p4,p5,p6,p7,ROT,rNum) /* unrolled */ \ Round512(p0,p1,p2,p3,p4,p5,p6,p7,ROT,rNum) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,rNum,Xptr); #define I512(R) \ X0 += ks[((R)+1) % 9]; /* inject the key schedule value */ \ X1 += ks[((R)+2) % 9]; \ X2 += ks[((R)+3) % 9]; \ X3 += ks[((R)+4) % 9]; \ X4 += ks[((R)+5) % 9]; \ X5 += ks[((R)+6) % 9] + ts[((R)+1) % 3]; \ X6 += ks[((R)+7) % 9] + ts[((R)+2) % 3]; \ X7 += ks[((R)+8) % 9] + (R)+1; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); #else /* looping version */ #define R512(p0,p1,p2,p3,p4,p5,p6,p7,ROT,rNum) \ Round512(p0,p1,p2,p3,p4,p5,p6,p7,ROT,rNum) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,4*(r-1)+rNum,Xptr); #define I512(R) \ X0 += ks[r+(R)+0]; /* inject the key schedule value */ \ X1 += ks[r+(R)+1]; \ X2 += ks[r+(R)+2]; \ X3 += ks[r+(R)+3]; \ X4 += ks[r+(R)+4]; \ X5 += ks[r+(R)+5] + ts[r+(R)+0]; \ X6 += ks[r+(R)+6] + ts[r+(R)+1]; \ X7 += ks[r+(R)+7] + r+(R) ; \ ks[r + (R)+8] = ks[r+(R)-1]; /* rotate key schedule */ \ ts[r + (R)+2] = ts[r+(R)-1]; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); for (r=1;r < 2*RCNT;r+=2*SKEIN_UNROLL_512) /* loop thru it */ #endif /* end of looped code definitions */ { #define R512_8_rounds(R) /* do 8 full rounds */ \ R512(0,1,2,3,4,5,6,7,R_512_0,8*(R)+ 1); \ R512(2,1,4,7,6,5,0,3,R_512_1,8*(R)+ 2); \ R512(4,1,6,3,0,5,2,7,R_512_2,8*(R)+ 3); \ R512(6,1,0,7,2,5,4,3,R_512_3,8*(R)+ 4); \ I512(2*(R)); \ R512(0,1,2,3,4,5,6,7,R_512_4,8*(R)+ 5); \ R512(2,1,4,7,6,5,0,3,R_512_5,8*(R)+ 6); \ R512(4,1,6,3,0,5,2,7,R_512_6,8*(R)+ 7); \ R512(6,1,0,7,2,5,4,3,R_512_7,8*(R)+ 8); \ I512(2*(R)+1); /* and key injection */ R512_8_rounds( 0); #define R512_Unroll_R(NN) ((SKEIN_UNROLL_512 == 0 && SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_512 > (NN))) #if R512_Unroll_R( 1) R512_8_rounds( 1); #endif #if R512_Unroll_R( 2) R512_8_rounds( 2); #endif #if R512_Unroll_R( 3) R512_8_rounds( 3); #endif #if R512_Unroll_R( 4) R512_8_rounds( 4); #endif #if R512_Unroll_R( 5) R512_8_rounds( 5); #endif #if R512_Unroll_R( 6) R512_8_rounds( 6); #endif #if R512_Unroll_R( 7) R512_8_rounds( 7); #endif #if R512_Unroll_R( 8) R512_8_rounds( 8); #endif #if R512_Unroll_R( 9) R512_8_rounds( 9); #endif #if R512_Unroll_R(10) R512_8_rounds(10); #endif #if R512_Unroll_R(11) R512_8_rounds(11); #endif #if R512_Unroll_R(12) R512_8_rounds(12); #endif #if R512_Unroll_R(13) R512_8_rounds(13); #endif #if R512_Unroll_R(14) R512_8_rounds(14); #endif #if (SKEIN_UNROLL_512 > 14) #error "need more unrolling in Skein_512_Process_Block" #endif } /* do the final "feedforward" xor, update context chaining vars */ ctx->X[0] = X0 ^ w[0]; ctx->X[1] = X1 ^ w[1]; ctx->X[2] = X2 ^ w[2]; ctx->X[3] = X3 ^ w[3]; ctx->X[4] = X4 ^ w[4]; ctx->X[5] = X5 ^ w[5]; ctx->X[6] = X6 ^ w[6]; ctx->X[7] = X7 ^ w[7]; Skein_Show_Round(BLK_BITS,&ctx->h,SKEIN_RND_FEED_FWD,ctx->X); ts[1] &= ~SKEIN_T1_FLAG_FIRST; } while (--blkCnt); ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; } #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) size_t Skein_512_Process_Block_CodeSize(void) { return ((u08b_t *) Skein_512_Process_Block_CodeSize) - ((u08b_t *) Skein_512_Process_Block); } uint_t Skein_512_Unroll_Cnt(void) { return SKEIN_UNROLL_512; } #endif #endif /***************************** Skein1024 ******************************/ #if !(SKEIN_USE_ASM & 1024) void Skein1024_Process_Block(Skein1024_Ctxt_t *ctx,const u08b_t *blkPtr,size_t blkCnt,size_t byteCntAdd) { /* do it in C, always looping (unrolled is bigger AND slower!) */ enum { WCNT = SKEIN1024_STATE_WORDS }; #undef RCNT #define RCNT (SKEIN1024_ROUNDS_TOTAL/8) #ifdef SKEIN_LOOP /* configure how much to unroll the loop */ #define SKEIN_UNROLL_1024 ((SKEIN_LOOP)%10) #else #define SKEIN_UNROLL_1024 (0) #endif #if (SKEIN_UNROLL_1024 != 0) #if (RCNT % SKEIN_UNROLL_1024) #error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */ #endif size_t r; u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ #else u64b_t kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ #endif u64b_t X00,X01,X02,X03,X04,X05,X06,X07, /* local copy of vars, for speed */ X08,X09,X10,X11,X12,X13,X14,X15; u64b_t w [WCNT]; /* local copy of input block */ #ifdef SKEIN_DEBUG const u64b_t *Xptr[16]; /* use for debugging (help compiler put Xn in registers) */ Xptr[ 0] = &X00; Xptr[ 1] = &X01; Xptr[ 2] = &X02; Xptr[ 3] = &X03; Xptr[ 4] = &X04; Xptr[ 5] = &X05; Xptr[ 6] = &X06; Xptr[ 7] = &X07; Xptr[ 8] = &X08; Xptr[ 9] = &X09; Xptr[10] = &X10; Xptr[11] = &X11; Xptr[12] = &X12; Xptr[13] = &X13; Xptr[14] = &X14; Xptr[15] = &X15; #endif Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ ts[0] = ctx->h.T[0]; ts[1] = ctx->h.T[1]; do { /* this implementation only supports 2**64 input bytes (no carry out here) */ ts[0] += byteCntAdd; /* update processed length */ /* precompute the key schedule for this block */ ks[ 0] = ctx->X[ 0]; ks[ 1] = ctx->X[ 1]; ks[ 2] = ctx->X[ 2]; ks[ 3] = ctx->X[ 3]; ks[ 4] = ctx->X[ 4]; ks[ 5] = ctx->X[ 5]; ks[ 6] = ctx->X[ 6]; ks[ 7] = ctx->X[ 7]; ks[ 8] = ctx->X[ 8]; ks[ 9] = ctx->X[ 9]; ks[10] = ctx->X[10]; ks[11] = ctx->X[11]; ks[12] = ctx->X[12]; ks[13] = ctx->X[13]; ks[14] = ctx->X[14]; ks[15] = ctx->X[15]; ks[16] = ks[ 0] ^ ks[ 1] ^ ks[ 2] ^ ks[ 3] ^ ks[ 4] ^ ks[ 5] ^ ks[ 6] ^ ks[ 7] ^ ks[ 8] ^ ks[ 9] ^ ks[10] ^ ks[11] ^ ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY; ts[2] = ts[0] ^ ts[1]; Skein_Get64_LSB_First(w,blkPtr,WCNT); /* get input block in little-endian format */ DebugSaveTweak(ctx); Skein_Show_Block(BLK_BITS,&ctx->h,ctx->X,blkPtr,w,ks,ts); X00 = w[ 0] + ks[ 0]; /* do the first full key injection */ X01 = w[ 1] + ks[ 1]; X02 = w[ 2] + ks[ 2]; X03 = w[ 3] + ks[ 3]; X04 = w[ 4] + ks[ 4]; X05 = w[ 5] + ks[ 5]; X06 = w[ 6] + ks[ 6]; X07 = w[ 7] + ks[ 7]; X08 = w[ 8] + ks[ 8]; X09 = w[ 9] + ks[ 9]; X10 = w[10] + ks[10]; X11 = w[11] + ks[11]; X12 = w[12] + ks[12]; X13 = w[13] + ks[13] + ts[0]; X14 = w[14] + ks[14] + ts[1]; X15 = w[15] + ks[15]; Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INITIAL,Xptr); #define Round1024(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pA,pB,pC,pD,pE,pF,ROT,rNum) \ X##p0 += X##p1; X##p1 = RotL_64(X##p1,ROT##_0); X##p1 ^= X##p0; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3,ROT##_1); X##p3 ^= X##p2; \ X##p4 += X##p5; X##p5 = RotL_64(X##p5,ROT##_2); X##p5 ^= X##p4; \ X##p6 += X##p7; X##p7 = RotL_64(X##p7,ROT##_3); X##p7 ^= X##p6; \ X##p8 += X##p9; X##p9 = RotL_64(X##p9,ROT##_4); X##p9 ^= X##p8; \ X##pA += X##pB; X##pB = RotL_64(X##pB,ROT##_5); X##pB ^= X##pA; \ X##pC += X##pD; X##pD = RotL_64(X##pD,ROT##_6); X##pD ^= X##pC; \ X##pE += X##pF; X##pF = RotL_64(X##pF,ROT##_7); X##pF ^= X##pE; \ #if SKEIN_UNROLL_1024 == 0 #define R1024(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pA,pB,pC,pD,pE,pF,ROT,rn) \ Round1024(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pA,pB,pC,pD,pE,pF,ROT,rn) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,rn,Xptr); #define I1024(R) \ X00 += ks[((R)+ 1) % 17]; /* inject the key schedule value */ \ X01 += ks[((R)+ 2) % 17]; \ X02 += ks[((R)+ 3) % 17]; \ X03 += ks[((R)+ 4) % 17]; \ X04 += ks[((R)+ 5) % 17]; \ X05 += ks[((R)+ 6) % 17]; \ X06 += ks[((R)+ 7) % 17]; \ X07 += ks[((R)+ 8) % 17]; \ X08 += ks[((R)+ 9) % 17]; \ X09 += ks[((R)+10) % 17]; \ X10 += ks[((R)+11) % 17]; \ X11 += ks[((R)+12) % 17]; \ X12 += ks[((R)+13) % 17]; \ X13 += ks[((R)+14) % 17] + ts[((R)+1) % 3]; \ X14 += ks[((R)+15) % 17] + ts[((R)+2) % 3]; \ X15 += ks[((R)+16) % 17] + (R)+1; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); #else /* looping version */ #define R1024(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pA,pB,pC,pD,pE,pF,ROT,rn) \ Round1024(p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,pA,pB,pC,pD,pE,pF,ROT,rn) \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,4*(r-1)+rn,Xptr); #define I1024(R) \ X00 += ks[r+(R)+ 0]; /* inject the key schedule value */ \ X01 += ks[r+(R)+ 1]; \ X02 += ks[r+(R)+ 2]; \ X03 += ks[r+(R)+ 3]; \ X04 += ks[r+(R)+ 4]; \ X05 += ks[r+(R)+ 5]; \ X06 += ks[r+(R)+ 6]; \ X07 += ks[r+(R)+ 7]; \ X08 += ks[r+(R)+ 8]; \ X09 += ks[r+(R)+ 9]; \ X10 += ks[r+(R)+10]; \ X11 += ks[r+(R)+11]; \ X12 += ks[r+(R)+12]; \ X13 += ks[r+(R)+13] + ts[r+(R)+0]; \ X14 += ks[r+(R)+14] + ts[r+(R)+1]; \ X15 += ks[r+(R)+15] + r+(R) ; \ ks[r + (R)+16] = ks[r+(R)-1]; /* rotate key schedule */ \ ts[r + (R)+ 2] = ts[r+(R)-1]; \ Skein_Show_R_Ptr(BLK_BITS,&ctx->h,SKEIN_RND_KEY_INJECT,Xptr); for (r=1;r <= 2*RCNT;r+=2*SKEIN_UNROLL_1024) /* loop thru it */ #endif { #define R1024_8_rounds(R) /* do 8 full rounds */ \ R1024(00,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,R1024_0,8*(R) + 1); \ R1024(00,09,02,13,06,11,04,15,10,07,12,03,14,05,08,01,R1024_1,8*(R) + 2); \ R1024(00,07,02,05,04,03,06,01,12,15,14,13,08,11,10,09,R1024_2,8*(R) + 3); \ R1024(00,15,02,11,06,13,04,09,14,01,08,05,10,03,12,07,R1024_3,8*(R) + 4); \ I1024(2*(R)); \ R1024(00,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,R1024_4,8*(R) + 5); \ R1024(00,09,02,13,06,11,04,15,10,07,12,03,14,05,08,01,R1024_5,8*(R) + 6); \ R1024(00,07,02,05,04,03,06,01,12,15,14,13,08,11,10,09,R1024_6,8*(R) + 7); \ R1024(00,15,02,11,06,13,04,09,14,01,08,05,10,03,12,07,R1024_7,8*(R) + 8); \ I1024(2*(R)+1); R1024_8_rounds( 0); #define R1024_Unroll_R(NN) ((SKEIN_UNROLL_1024 == 0 && SKEIN1024_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_1024 > (NN))) #if R1024_Unroll_R( 1) R1024_8_rounds( 1); #endif #if R1024_Unroll_R( 2) R1024_8_rounds( 2); #endif #if R1024_Unroll_R( 3) R1024_8_rounds( 3); #endif #if R1024_Unroll_R( 4) R1024_8_rounds( 4); #endif #if R1024_Unroll_R( 5) R1024_8_rounds( 5); #endif #if R1024_Unroll_R( 6) R1024_8_rounds( 6); #endif #if R1024_Unroll_R( 7) R1024_8_rounds( 7); #endif #if R1024_Unroll_R( 8) R1024_8_rounds( 8); #endif #if R1024_Unroll_R( 9) R1024_8_rounds( 9); #endif #if R1024_Unroll_R(10) R1024_8_rounds(10); #endif #if R1024_Unroll_R(11) R1024_8_rounds(11); #endif #if R1024_Unroll_R(12) R1024_8_rounds(12); #endif #if R1024_Unroll_R(13) R1024_8_rounds(13); #endif #if R1024_Unroll_R(14) R1024_8_rounds(14); #endif #if (SKEIN_UNROLL_1024 > 14) #error "need more unrolling in Skein_1024_Process_Block" #endif } /* do the final "feedforward" xor, update context chaining vars */ ctx->X[ 0] = X00 ^ w[ 0]; ctx->X[ 1] = X01 ^ w[ 1]; ctx->X[ 2] = X02 ^ w[ 2]; ctx->X[ 3] = X03 ^ w[ 3]; ctx->X[ 4] = X04 ^ w[ 4]; ctx->X[ 5] = X05 ^ w[ 5]; ctx->X[ 6] = X06 ^ w[ 6]; ctx->X[ 7] = X07 ^ w[ 7]; ctx->X[ 8] = X08 ^ w[ 8]; ctx->X[ 9] = X09 ^ w[ 9]; ctx->X[10] = X10 ^ w[10]; ctx->X[11] = X11 ^ w[11]; ctx->X[12] = X12 ^ w[12]; ctx->X[13] = X13 ^ w[13]; ctx->X[14] = X14 ^ w[14]; ctx->X[15] = X15 ^ w[15]; Skein_Show_Round(BLK_BITS,&ctx->h,SKEIN_RND_FEED_FWD,ctx->X); ts[1] &= ~SKEIN_T1_FLAG_FIRST; blkPtr += SKEIN1024_BLOCK_BYTES; } while (--blkCnt); ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; } #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) size_t Skein1024_Process_Block_CodeSize(void) { return ((u08b_t *) Skein1024_Process_Block_CodeSize) - ((u08b_t *) Skein1024_Process_Block); } uint_t Skein1024_Unroll_Cnt(void) { return SKEIN_UNROLL_1024; } #endif #endif ccrtp-2.0.6/src/socket.cpp0000664000175000017500000000422211767643351012355 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // // UDPIPv4Socket class implementation // #include "private.h" #include NAMESPACE_COMMONCPP END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/members.cpp0000664000175000017500000002347111767643351012526 00000000000000// Copyright (C) 2001,2002 Federico Montesino // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file members.cpp * @shot MembershipBookkeeping class implementation * * @todo implement the reallocation mechanism (e.g., when the number * of ssrcs per collision list goes up to 2, make the size * approx. four times bigger (0.5 ssrcs per list now. when the number * of ssrcs per list goes down to 0.5, decrease four times. Do not use * 2 or 0.5, but `2 + something' and `0.5 - somehting'). Always * jumping between prime numbers -> provide a table from 7 to many. **/ #include "private.h" #include NAMESPACE_COMMONCPP const uint32 MembershipBookkeeping::SyncSourceLink::SEQNUMMOD = (1<<16); MembershipBookkeeping::SyncSourceLink::~SyncSourceLink() { #ifdef CCXX_EXCEPTIONS try { #endif delete source; delete prevConflict; delete receiverInfo; delete senderInfo; #ifdef CCXX_EXCEPTIONS } catch (...) { } #endif } void MembershipBookkeeping::SyncSourceLink::initStats() { lastPacketTime.tv_sec = lastPacketTime.tv_usec = 0; lastRTCPPacketTime.tv_sec = lastRTCPPacketTime.tv_usec = 0; lastRTCPSRTime.tv_sec = lastRTCPSRTime.tv_usec = 0; senderInfo = NULL; receiverInfo = NULL; obsPacketCount = obsOctetCount = 0; maxSeqNum = extendedMaxSeqNum = 0; cumulativePacketLost = 0; fractionLost = 0; jitter = 0; initialDataTimestamp = 0; initialDataTime.tv_sec = initialDataTime.tv_usec = 0; flag = false; badSeqNum = SEQNUMMOD + 1; probation = 0; baseSeqNum = 0; expectedPrior = 0; receivedPrior = 0; seqNumAccum = 0; } void MembershipBookkeeping::SyncSourceLink::computeStats() { // See Appendix A.3 // compute cumulative packet lost. setExtendedMaxSeqNum(getMaxSeqNum() + getSeqNumAccum()); uint32 expected = (getExtendedMaxSeqNum() - getBaseSeqNum() + 1); uint32 pc = getObservedPacketCount(); uint32 lost; if ( 0 == pc ) lost = 0; else lost = expected - pc; setCumulativePacketLost(lost); // compute the fraction of packets lost during the last // reporting interval. uint32 expectedDelta = expected - expectedPrior; expectedPrior = expected; uint32 receivedDelta = getObservedPacketCount() - receivedPrior; receivedPrior = getObservedPacketCount(); uint32 lostDelta = expectedDelta - receivedDelta; if ( expectedDelta == 0 || lostDelta <= 0 ) setFractionLost(0); else setFractionLost((lostDelta<<8) / expectedDelta ); } void MembershipBookkeeping::SyncSourceLink::setPrevConflict(InetAddress& addr, tpport_t dataPort, tpport_t controlPort) { delete prevConflict; prevConflict = new ConflictingTransportAddress(addr,dataPort,controlPort); } void MembershipBookkeeping::SyncSourceLink:: recordInsertion(const IncomingRTPPktLink&) {} void MembershipBookkeeping::SyncSourceLink:: setSenderInfo(unsigned char* si) { if ( NULL == senderInfo ) senderInfo = reinterpret_cast (new RTCPCompoundHandler::SenderInfo); memcpy(senderInfo,si,sizeof(RTCPCompoundHandler::SenderInfo)); } void MembershipBookkeeping::SyncSourceLink:: setReceiverInfo(unsigned char* ri) { if ( NULL == receiverInfo ) receiverInfo = reinterpret_cast (new RTCPCompoundHandler::ReceiverInfo); memcpy(receiverInfo,ri,sizeof(RTCPCompoundHandler::ReceiverInfo)); } const size_t MembershipBookkeeping::defaultMembersHashSize = 11; const uint32 MembershipBookkeeping::SEQNUMMOD = (1<<16); #define HASH(a) ((a + (a >> 8)) % MembershipBookkeeping::sourceBucketsNum) // Initializes the array (hash table) and the global list of // SyncSourceLink objects MembershipBookkeeping::MembershipBookkeeping(uint32 initialSize): SyncSourceHandler(), ParticipantHandler(), ConflictHandler(), Members(), sourceBucketsNum(initialSize), sourceLinks( new SyncSourceLink* [sourceBucketsNum] ), first(NULL), last(NULL) { for ( uint32 i = 0; i < sourceBucketsNum; i++ ) sourceLinks[i] = NULL; } void MembershipBookkeeping::endMembers() { SyncSourceLink* s; while( first ) { s = first; first = first->next; #ifdef CCXX_EXCEPTIONS try { #endif delete s; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } last = NULL; #ifdef CCXX_EXCEPTIONS try { #endif delete [] sourceLinks; #ifdef CCXX_EXCEPTIONS } catch (...) {} #endif } bool MembershipBookkeeping::isRegistered(uint32 ssrc) { bool result = false; SyncSourceLink* sl = sourceLinks[ HASH(ssrc) ]; while ( sl != NULL ) { if ( ssrc == sl->getSource()->getID() ) { result = true; break; } else if ( ssrc < sl->getSource()->getID() ) { break; } else { // keep on searching sl = sl->getNextCollis(); } } return result; } // Gets or creates the source and its link structure. MembershipBookkeeping::SyncSourceLink* MembershipBookkeeping::getSourceBySSRC(uint32 ssrc, bool& created) { uint32 hashing = HASH(ssrc); SyncSourceLink* result = sourceLinks[hashing]; SyncSourceLink* prev = NULL; created = false; if ( NULL == result ) { result = sourceLinks[hashing] = new SyncSourceLink(this,new SyncSource(ssrc)); created = true; } else { while ( NULL != result ) { if ( ssrc == result->getSource()->getID() ) { // we found it! break; } else if ( ssrc > result->getSource()->getID() ) { // keep on searching prev = result; result = result->getNextCollis(); } else { // ( ssrc < result->getSource()->getID() ) // it isn't recorded here -> create it. SyncSourceLink* newlink = new SyncSourceLink(this,new SyncSource(ssrc)); if ( NULL != prev ) prev->setNextCollis(newlink); else sourceLinks[hashing] = newlink; newlink->setNextCollis(result); result = newlink; created = true; break; } } if ( NULL == result ) { // insert at the end of the collision list result = new SyncSourceLink(this,new SyncSource(ssrc)); created = true; prev->setNextCollis(result); } } if ( created ) { if ( first ) last->setNext(result); else first = result; last = result; increaseMembersCount(); } return result; } bool MembershipBookkeeping::BYESource(uint32 ssrc) { bool found = false; // If the source identified by ssrc is in the table, mark it // as leaving the session. If it was not, do nothing. if ( isRegistered(ssrc) ) { found = true; decreaseMembersCount(); // TODO really decrease right now? } return found; } bool MembershipBookkeeping::removeSource(uint32 ssrc) { bool found = false; SyncSourceLink* old = NULL, * s = sourceLinks[ HASH(ssrc) ]; while ( s != NULL ){ if ( s->getSource()->getID() == ssrc ) { // we found it if ( old ) old->setNextCollis(s->getNextCollis()); if ( s->getPrev() ) s->getPrev()->setNext(s->getNext()); if ( s->getNext() ) s->getNext()->setPrev(s->getPrev()); decreaseMembersCount(); if ( s->getSource()->isSender() ) decreaseSendersCount(); delete s; found = true; break; } else if ( s->getSource()->getID() > ssrc ) { // it wasn't here break; } else { // keep on searching old = s; s = s->getNextCollis(); } } return found; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/rtppkt.cpp0000664000175000017500000002743511767643351012424 00000000000000// Copyright (C) 1999-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // // This exception applies only to the code released under the name GNU // ccRTP. If you copy code from other releases into a copy of GNU // ccRTP, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for GNU ccRTP, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // /** * @file rtppkt.cpp * @short StaticPayloadFormat, DynamicPayloadFormat, RTPPacket, * OutgoingRTPPkt and IncomingRTPPkt classes implementation. **/ #include "private.h" #include #include NAMESPACE_COMMONCPP // Default to 8Khz when no value is specified. const uint32 PayloadFormat::defaultRTPClockRate = 8000; //uint32 PayloadFormat::staticRates[lastStaticPayloadType] uint32 StaticPayloadFormat::staticAudioTypesRates[] = { // audio types: 8000, // 0 - sptPCMU 0, // 1 - reserved 8000, // 2 - sptG726_32 8000, // 3 - sptGSM 8000, // 4 - sptG723 8000, // 5 - sptDVI4_8000 16000, // 6 - sptDVI4_16000 8000, // 7 - sptLPC 8000, // 8 - sptPCMA 8000, // 9 - sptG722 44100, // 10 - sptL16_DUAL 44100, // 11 - sptL16_MONO 8000, // 12 - sptQCELP 0, // 13 - reserved 90000, // 14 - sptMPA 8000, // 15 - sptG728 11015, // 16 - sptDVI4_11025 22050, // 17 - sptDVI4_22050 8000 // 18 - sptG729 /* 0, // reserved 0, // unassigned 0, // unassigned 0, // unassigned 0 // unassigned */ // All video types have 90000 hz RTP clock rate. // If sometime in the future a static video payload type is // defined with a different RTP clock rate (quite // unprobable). This table and/or the StaticPayloadType // constructor must be changed. }; StaticPayloadFormat::StaticPayloadFormat(StaticPayloadType type) { setPayloadType( (type <= lastStaticPayloadType)? type : 0); if ( type <= sptG729 ) { // audio static type setRTPClockRate(staticAudioTypesRates[type]); } else { // video static type setRTPClockRate(90000); } } DynamicPayloadFormat::DynamicPayloadFormat(PayloadType type, uint32 rate) { PayloadFormat::setPayloadType(type); setRTPClockRate(rate); } // constructor commonly used for incoming packets RTPPacket::RTPPacket(const unsigned char* const block, size_t len, bool duplicate) : total((uint32)len), duplicated(duplicate) { const RTPFixedHeader* const header = reinterpret_cast(block); hdrSize = sizeof(RTPFixedHeader) + (header->cc << 2); if ( header->extension ){ RTPHeaderExt *ext = (RTPHeaderExt *)(block + hdrSize); hdrSize += sizeof(uint32) + (ntohs(ext->length) * 4); } if ( header->padding ) len -= block[len - 1]; payloadSize = (uint32)(len - hdrSize); if ( duplicate ) { buffer = new unsigned char[len]; setbuffer(block,len,0); } else { buffer = const_cast(block); } } // constructor commonly used for outgoing packets RTPPacket::RTPPacket(size_t hdrlen, size_t plen, uint8 paddinglen, CryptoContext* pcc ) : payloadSize((uint32)plen), buffer(NULL), hdrSize((uint32)hdrlen), duplicated(false) { total = (uint32)(hdrlen + payloadSize); // compute if there must be padding uint8 padding = 0; if ( 0 != paddinglen ) { padding = paddinglen - (total % paddinglen); total += padding; } srtpLength = 0; srtpDataOffset = 0; if (pcc != NULL) { // compute additional memory for SRTP data srtpLength = pcc->getTagLength() + pcc->getMkiLength(); srtpDataOffset = total; // SRTP data go behind header plus payload plus padding } // now we know the actual total length of the packet, get some memory // but take SRTP data into account. Don't change total because some RTP // functions rely on the fact that total is the overall size (without // the SRTP data) buffer = new unsigned char[total + srtpLength]; *(reinterpret_cast(getHeader())) = 0; getHeader()->version = CCRTP_VERSION; if ( 0 != padding ) { memset(buffer + total - padding,0,padding - 1); buffer[total - 1] = padding; getHeader()->padding = 1; } else { getHeader()->padding = 0; } } void RTPPacket::endPacket() { #ifdef CCXX_EXCEPTIONS try { #endif delete [] buffer; #ifdef CCXX_EXCEPTIONS } catch (...) { }; #endif } void RTPPacket::reComputePayLength(bool padding) { // If payloadsize was computed without padding set then re-compute // payloadSize after the padding bit was set and set padding flag // in RTP header - option for SRTP if (padding) { size_t len = 0; getHeader()->padding = 1; len -= buffer[payloadSize - 1]; payloadSize = (uint32)(payloadSize - len); } } OutgoingRTPPkt::OutgoingRTPPkt(const uint32* const csrcs, uint16 numcsrc, const unsigned char* const hdrext, uint32 hdrextlen, const unsigned char* const data, size_t datalen, uint8 paddinglen, CryptoContext* pcc) : RTPPacket((getSizeOfFixedHeader() + sizeof(uint32) * numcsrc + hdrextlen),datalen,paddinglen, pcc) { uint32 pointer = (uint32)getSizeOfFixedHeader(); // add CSCR identifiers (putting them in network order). setCSRCArray(csrcs,numcsrc); pointer += numcsrc * sizeof(uint32); // add header extension. setbuffer(hdrext,hdrextlen,pointer); setExtension(hdrextlen > 0); pointer += hdrextlen; // add data. setbuffer(data,datalen,pointer); } OutgoingRTPPkt::OutgoingRTPPkt(const uint32* const csrcs, uint16 numcsrc, const unsigned char* data, size_t datalen, uint8 paddinglen, CryptoContext* pcc) : RTPPacket((getSizeOfFixedHeader() + sizeof(uint32) *numcsrc),datalen, paddinglen, pcc) { uint32 pointer = (uint32)getSizeOfFixedHeader(); // add CSCR identifiers (putting them in network order). setCSRCArray(csrcs,numcsrc); pointer += numcsrc * sizeof(uint32); // not needed, as the RTPPacket constructor sets by default // the whole fixed header to 0. // getHeader()->extension = 0; // add data. setbuffer(data,datalen,pointer); } OutgoingRTPPkt::OutgoingRTPPkt(const unsigned char* data, size_t datalen, uint8 paddinglen, CryptoContext* pcc) : RTPPacket(getSizeOfFixedHeader(),datalen,paddinglen, pcc) { // not needed, as the RTPPacket constructor sets by default // the whole fixed header to 0. //getHeader()->cc = 0; //getHeader()->extension = 0; setbuffer(data,datalen,getSizeOfFixedHeader()); } void OutgoingRTPPkt::setCSRCArray(const uint32* const csrcs, uint16 numcsrc) { setbuffer(csrcs, numcsrc * sizeof(uint32),getSizeOfFixedHeader()); uint32* csrc = const_cast(getCSRCs()); for ( int i = 0; i < numcsrc; i++ ) csrc[i] = htonl(csrc[i]); getHeader()->cc = numcsrc; } void OutgoingRTPPkt::protect(uint32 ssrc, CryptoContext* pcc) { /* Encrypt the packet */ uint64 index = ((uint64)pcc->getRoc() << 16) | (uint64)getSeqNum(); pcc->srtpEncrypt(this, index, ssrc); // NO MKI support yet - here we assume MKI is zero. To build in MKI // take MKI length into account when storing the authentication tag. /* Compute MAC */ pcc->srtpAuthenticate(this, pcc->getRoc(), const_cast(getRawPacket()+srtpDataOffset) ); /* Update the ROC if necessary */ if (getSeqNum() == 0xFFFF ) { pcc->setRoc(pcc->getRoc() + 1); } } // These masks are valid regardless of endianness. const uint16 IncomingRTPPkt::RTP_INVALID_PT_MASK = (0x7e); const uint16 IncomingRTPPkt::RTP_INVALID_PT_VALUE = (0x48); IncomingRTPPkt::IncomingRTPPkt(const unsigned char* const block, size_t len) : RTPPacket(block,len) { // first, perform validity check: // 1) check protocol version // 2) it is not an SR nor an RR // 3) consistent length field value (taking CC value and P and // X bits into account) if ( getProtocolVersion() != CCRTP_VERSION || (getPayloadType() & RTP_INVALID_PT_MASK) == RTP_INVALID_PT_VALUE) { /* || getPayloadSize() <= 0 ) { */ headerValid = false; return; } headerValid = true; cachedTimestamp = getRawTimestamp(); cachedSeqNum = ntohs(getHeader()->sequence); cachedSSRC = ntohl(getHeader()->sources[0]); } int32 IncomingRTPPkt::unprotect(CryptoContext* pcc) { if (pcc == NULL) { return true; } /* * This is the setting of the packet data when we come to this * point: * * total: complete length of received data * buffer: points to data as received from network * hdrSize: length of header including header extension * payloadSize: length of data excluding hdrSize and padding * * Because this is an SRTP packet we need to adjust some values here. * The SRTP MKI and authentication data is always at the end of a * packet. Thus compute the position of this data. */ uint32 srtpDataIndex = total - (pcc->getTagLength() + pcc->getMkiLength()); // now adjust total because some RTP functions rely on the fact that // total is the full length of data without SRTP data. total -= pcc->getTagLength() + pcc->getMkiLength(); // recompute payloadSize by subtracting SRTP data payloadSize -= pcc->getTagLength() + pcc->getMkiLength(); // unused?? // const uint8* mki = getRawPacket() + srtpDataIndex; const uint8* tag = getRawPacket() + srtpDataIndex + pcc->getMkiLength(); /* Replay control */ if (!pcc->checkReplay(cachedSeqNum)) { return -2; } /* Guess the index */ uint64 guessedIndex = pcc->guessIndex(cachedSeqNum); uint32 guessedRoc = (uint32)(guessedIndex >> 16); uint8* mac = new uint8[pcc->getTagLength()]; pcc->srtpAuthenticate(this, guessedRoc, mac); if (memcmp(tag, mac, pcc->getTagLength()) != 0) { delete[] mac; return -1; } delete[] mac; /* Decrypt the content */ pcc->srtpEncrypt( this, guessedIndex, cachedSSRC ); /* Update the Crypto-context */ pcc->update(cachedSeqNum); return 1; } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 4 * End: */ ccrtp-2.0.6/src/CryptoContextCtrl.cpp0000664000175000017500000003071612006011443014520 00000000000000/* Copyright (C) 2004-2006 the Minisip Team This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Copyright (C) 2004-2012 * * Authors: Israel Abad * Erik Eliasson * Johan Bilien * Joachim Orrblad * Werner Dittmann */ #include #include #ifdef SRTP_SUPPORT #include #include #endif #include #include #include #include NAMESPACE_COMMONCPP CryptoContextCtrl::CryptoContextCtrl(uint32 ssrc ): ssrcCtx(ssrc), using_mki(false),mkiLength(0),mki(NULL), s_l(0), replay_window(0), master_key(NULL), master_key_length(0), master_salt(NULL), master_salt_length(0), n_e(0),k_e(NULL),n_a(0),k_a(NULL),n_s(0),k_s(NULL), ealg(SrtpEncryptionNull), aalg(SrtpAuthenticationNull), ekeyl(0), akeyl(0), skeyl(0), macCtx(NULL), cipher(NULL), f8Cipher(NULL) {} #ifdef SRTP_SUPPORT CryptoContextCtrl::CryptoContextCtrl(uint32 ssrc, const int32 ealg, const int32 aalg, uint8* master_key, int32 master_key_length, uint8* master_salt, int32 master_salt_length, int32 ekeyl, int32 akeyl, int32 skeyl, int32 tagLength): ssrcCtx(ssrc),using_mki(false),mkiLength(0),mki(NULL), replay_window(0), macCtx(NULL), cipher(NULL), f8Cipher(NULL) { this->ealg = ealg; this->aalg = aalg; this->ekeyl = ekeyl; this->akeyl = akeyl; this->skeyl = skeyl; this->master_key_length = master_key_length; this->master_key = new uint8[master_key_length]; memcpy(this->master_key, master_key, master_key_length); this->master_salt_length = master_salt_length; this->master_salt = new uint8[master_salt_length]; memcpy(this->master_salt, master_salt, master_salt_length); switch( ealg ) { case SrtpEncryptionNull: n_e = 0; k_e = NULL; n_s = 0; k_s = NULL; break; case SrtpEncryptionTWOF8: f8Cipher = new SrtpSymCrypto(SrtpEncryptionTWOF8); // fall through case SrtpEncryptionTWOCM: n_e = ekeyl; k_e = new uint8[n_e]; n_s = skeyl; k_s = new uint8[n_s]; cipher = new SrtpSymCrypto(SrtpEncryptionTWOCM); break; case SrtpEncryptionAESF8: f8Cipher = new SrtpSymCrypto(SrtpEncryptionAESF8); // fall through case SrtpEncryptionAESCM: n_e = ekeyl; k_e = new uint8[n_e]; n_s = skeyl; k_s = new uint8[n_s]; cipher = new SrtpSymCrypto(SrtpEncryptionAESCM); break; } switch( aalg ) { case SrtpAuthenticationNull: n_a = 0; k_a = NULL; this->tagLength = 0; break; case SrtpAuthenticationSha1Hmac: case SrtpAuthenticationSkeinHmac: n_a = akeyl; k_a = new uint8[n_a]; this->tagLength = tagLength; break; } } #endif CryptoContextCtrl::~CryptoContextCtrl(){ #ifdef SRTP_SUPPORT if (mki) delete [] mki; if (master_key_length > 0) { memset(master_key, 0, master_key_length); master_key_length = 0; delete [] master_key; } if (master_salt_length > 0) { memset(master_salt, 0, master_salt_length); master_salt_length = 0; delete [] master_salt; } if (n_e > 0) { memset(k_e, 0, n_e); n_e = 0; delete [] k_e; } if (n_s > 0) { memset(k_s, 0, n_s); n_s = 0; delete [] k_s; } if (n_a > 0) { memset(k_a, 0, n_a); n_a = 0; delete [] k_a; } if (cipher != NULL) { delete cipher; cipher = NULL; } if (f8Cipher != NULL) { delete f8Cipher; f8Cipher = NULL; } if (macCtx != NULL) { switch(aalg) { case SrtpAuthenticationSha1Hmac: freeSha1HmacContext(macCtx); break; case SrtpAuthenticationSkeinHmac: freeSkeinMacContext(macCtx); break; } } #endif ealg = SrtpEncryptionNull; aalg = SrtpAuthenticationNull; } void CryptoContextCtrl::srtcpEncrypt( uint8* rtp, size_t len, uint64 index, uint32 ssrc ) { if (ealg == SrtpEncryptionNull) { return; } #ifdef SRTP_SUPPORT if (ealg == SrtpEncryptionAESCM || ealg == SrtpEncryptionTWOCM) { /* Compute the CM IV (refer to chapter 4.1.1 in RFC 3711): * * k_s XX XX XX XX XX XX XX XX XX XX XX XX XX XX * SSRC XX XX XX XX * index XX XX XX XX * ------------------------------------------------------XOR * IV XX XX XX XX XX XX XX XX XX XX XX XX XX XX 00 00 * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ unsigned char iv[16]; iv[0] = k_s[0]; iv[1] = k_s[1]; iv[2] = k_s[2]; iv[3] = k_s[3]; // The shifts transform the ssrc and index into network order iv[4] = ((ssrc >> 24) & 0xff) ^ k_s[4]; iv[5] = ((ssrc >> 16) & 0xff) ^ k_s[5]; iv[6] = ((ssrc >> 8) & 0xff) ^ k_s[6]; iv[7] = (ssrc & 0xff) ^ k_s[7]; iv[8] = k_s[8]; iv[9] = k_s[9]; iv[10] = ((index >> 24) & 0xff) ^ k_s[10]; iv[11] = ((index >> 16) & 0xff) ^ k_s[11]; iv[12] = ((index >> 8) & 0xff) ^ k_s[12]; iv[13] = (index & 0xff) ^ k_s[13]; iv[14] = iv[15] = 0; cipher->ctr_encrypt(rtp, len, iv); } if (ealg == SrtpEncryptionAESF8 || ealg == SrtpEncryptionTWOF8) { unsigned char iv[16]; // 4 bytes of the iv are zero // the first byte of the RTP header is not used. iv[0] = 0; iv[1] = 0; iv[2] = 0; iv[3] = 0; // Need the encryption flag index = index | 0x80000000; // set the index and the encrypt flag in network order into IV iv[4] = index >> 24; iv[5] = index >> 16; iv[6] = index >> 8; iv[7] = index; // The fixed header follows and fills the rest of the IV memcpy(iv+8, rtp, 8); cipher->f8_encrypt(rtp, len, iv, f8Cipher); } #endif } /* Warning: tag must have been initialized */ void CryptoContextCtrl::srtcpAuthenticate(uint8* rtp, size_t len, uint32 index, uint8* tag ) { if (aalg == SrtpAuthenticationNull) { return; } #ifdef SRTP_SUPPORT int32_t macL; unsigned char temp[20]; const unsigned char* chunks[3]; unsigned int chunkLength[3]; uint32_t beIndex = htonl(index); chunks[0] = rtp; chunkLength[0] = len; chunks[1] = (unsigned char *)&beIndex; chunkLength[1] = 4; chunks[2] = NULL; switch (aalg) { case SrtpAuthenticationSha1Hmac: hmacSha1Ctx(macCtx, chunks, // data chunks to hash chunkLength, // length of the data to hash temp, &macL); /* truncate the result */ memcpy(tag, temp, getTagLength()); break; case SrtpAuthenticationSkeinHmac: macSkeinCtx(macCtx, chunks, // data chunks to hash chunkLength, // length of the data to hash temp); /* truncate the result */ memcpy(tag, temp, getTagLength()); break; } #endif } #ifdef SRTP_SUPPORT /* used by the key derivation method */ static void computeIv(unsigned char* iv, uint8 label, uint8* master_salt) { //printf( "Key_ID: %llx\n", key_id ); /* compute the IV key_id: XX XX XX XX XX XX XX master_salt: XX XX XX XX XX XX XX XX XX XX XX XX XX XX ------------------------------------------------------------ XOR IV: XX XX XX XX XX XX XX XX XX XX XX XX XX XX 00 00 */ memcpy(iv, master_salt, 14); iv[7] ^= label; iv[14] = iv[15] = 0; } #endif /* Derives the srtp session keys from the master key */ void CryptoContextCtrl::deriveSrtcpKeys() { #ifdef SRTP_SUPPORT uint8 iv[16]; // prepare AES cipher to compute derived keys. cipher->setNewKey(master_key, master_key_length); memset(master_key, 0, master_key_length); // compute the session encryption key uint8 label = 3; computeIv(iv, label, master_salt); cipher->get_ctr_cipher_stream(k_e, n_e, iv); // compute the session authentication key label = 4; computeIv(iv, label, master_salt); cipher->get_ctr_cipher_stream(k_a, n_a, iv); // Initialize MAC context with the derived key switch (aalg) { case SrtpAuthenticationSha1Hmac: macCtx = createSha1HmacContext(k_a, n_a); break; case SrtpAuthenticationSkeinHmac: // Skein MAC uses number of bits as MAC size, not just bytes macCtx = createSkeinMacContext(k_a, n_a, tagLength*8, Skein512); break; } memset(k_a, 0, n_a); // compute the session salt label = 5; computeIv(iv, label, master_salt); cipher->get_ctr_cipher_stream(k_s, n_s, iv); memset(master_salt, 0, master_salt_length); // as last step prepare ciphers with derived key. cipher->setNewKey(k_e, n_e); if (f8Cipher != NULL) cipher->f8_deriveForIV(f8Cipher, k_e, n_e, k_s, n_s); memset(k_e, 0, n_e); #endif } bool CryptoContextCtrl::checkReplay( uint32 index ) { #ifdef SRTP_SUPPORT if ( aalg == SrtpAuthenticationNull && ealg == SrtpEncryptionNull ) { /* No security policy, don't use the replay protection */ return true; } int64 delta = s_l - index; if (delta > 0) { /* Packet not yet received*/ return true; } else { if( -delta > REPLAY_WINDOW_SIZE ) { /* Packet too old */ return false; } else { if((replay_window >> (-delta)) & 0x1) { /* Packet already received ! */ return false; } else { /* Packet not yet received */ return true; } } } #else return true; #endif } void CryptoContextCtrl::update(uint32 index) { #ifdef SRTP_SUPPORT int64 delta = index - s_l; /* update the replay bitmask */ if( delta > 0 ){ replay_window = replay_window << delta; replay_window |= 1; } else { replay_window |= ( 1 << delta ); } s_l = index; #endif } CryptoContextCtrl* CryptoContextCtrl::newCryptoContextForSSRC(uint32 ssrc) { #ifdef SRTP_SUPPORT CryptoContextCtrl* pcc = new CryptoContextCtrl( ssrc, this->ealg, // encryption algo this->aalg, // authentication algo this->master_key, // Master Key this->master_key_length, // Master Key length this->master_salt, // Master Salt this->master_salt_length, // Master Salt length this->ekeyl, // encryption keyl this->akeyl, // authentication key len this->skeyl, // session salt len this->tagLength); // authentication tag len return pcc; #else return NULL; #endif } END_NAMESPACE /** EMACS ** * Local variables: * mode: c++ * c-default-style: ellemtel * c-basic-offset: 4 * End: */ ccrtp-2.0.6/phone/0000755000175000017500000000000012153105267010746 500000000000000ccrtp-2.0.6/phone/phone.conf0000664000175000017500000000275611767643350012674 00000000000000# Copyright (C) 2000-2001 Open Source Telecom Corporation. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # # The single most important piece of data to configure for Babylon is # the "plugin" interface. Plugins control what modules are loaded # with the server. # [threads] ; specify relative thread priority of audio device processing thread(s). audio = 0 ; specify relative priority of rtp stack thread rtp = 0 ; specify base priority adjustment for phone process priority = 0 ; specify realtime scheduler policy, like rr, for example policy = none ; specify stack frame size of new threads in k stack = 8 [audio] ; specify audio device driver plugin interface interface = oss ; specify audio resource(s) for play and record. This can be one ; device or multiple devices for half-duplex sound cards. Example ; is audio = /dev/audio1, /dev/audio2 device = /dev/audio ; specify default mike volume, in % mike = 80 ; specify default speaker volume, in % speaker = 80 [rtp] ; specify network interface binding unicast address interface = * ; specify network port number port = 3128 ; specify execution timeout interval in milliseconds timer = 10 ; specify packet timeout expiration in milliseconds expire = 250 ccrtp-2.0.6/phone/Makefile.am0000664000175000017500000000165611767643350012746 00000000000000# Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2008 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. AUTOMAKE_OPTIONS = no-dependencies dist-shar LT_VERSION=@LT_CCXX_VERSION@ #$(LT_VERSION) -release $(LT_RELEASE) AM_CXXFLAGS = @WARN_FLAGS@ -I$(top_srcdir)/src ccxxincludedir=$(includedir)/ccrtp EXTRA_DIST = phone.conf noinst_HEADERS = server.h ccxxinclude_HEADERS = phone.h bin_PROGRAMS = phone phone_SOURCES = phone.cpp config.cpp server.cpp rtp.cpp phone_LDADD = ../src/libccrtp1.la @EXTLIBS@ @GNULIBS@ ccrtp-2.0.6/phone/Makefile.in0000644000175000017500000004645212153104762012745 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2008 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #ifndef CCXX_PHONE_H_ #define CCXX_PHONE_H_ #ifndef CCXX_RTP_H_ #include #endif #ifdef CCXX_NAMESPACES namespace ost { #endif /** * Load /etc/phone.conf [thread] key value pairs. Has internal defaults * if section or file is missing. * * @author David Sugar * @short Load keythreads priority and session count configuration. */ class KeyRTP : public Keydata { public: /** * Initialize keythread data. */ KeyRTP(); /** * Get unicast address. */ inline InetHostAddress getInterface(void) {return InetHostAddress(getLast("interface"));}; /** * Get binding port number. */ inline tpport_t getPort(void) {return (tpport_t) atoi(getLast("port"));}; /** * Get stack timer. */ inline microtimeout_t getTimer(void) {return (microtimeout_t)atol(getLast("timer")) * 1000l;}; /** * Get packet expiration timer. */ inline microtimeout_t getExpire(void) {return (microtimeout_t)atol(getLast("expire")) * 1000l;}; }; /** * Load /etc/phone.conf [audio] key value pairs. Has internal defaults * if section or file is missing. * * @author David Sugar * @short Load keythreads priority and session count configuration. */ class KeyAudio : public Keydata { public: /** * Initialize keythread data. */ KeyAudio(); }; /** * Load /etc/phone.conf [thread] key value pairs. Has internal defaults * if section or file is missing. * * @author David Sugar * @short Load keythreads priority and session count configuration. */ class KeyThreads : public Keydata { public: /** * Initialize keythread data. */ KeyThreads(); /** * Get relative priority to run service threads at. * * @return audio thread priority (relative). */ inline int priAudio(void) {return atoi(getLast("audio"));}; /** * Get relative priority for the rtp stack. * * @return audio thread priority (relative). */ inline int priRTP(void) {return atoi(getLast("rtp"));}; /** * Get relative process priority. * * @return rtp stack thread priority (relative). */ inline int getPriority(void) {return atoi(getLast("priority"));}; /** * Get thread stack frame size. * * @return thread stack frame in k. */ inline unsigned getStack(void) {return atoi(getLast("stack"));}; /** * Get scheduler policy to use. * * @return scheduler policy. */ inline const char *getPolicy(void) {return getLast("priority");}; }; /** * Process RTP Events for plugins and special purpose classes. * * @author David Sugar * @short RTP event processing. */ class RTPEvent { private: friend class RTPAudio; static RTPEvent *first; RTPEvent *next; protected: RTPEvent(); virtual void gotHello(const SyncSource &src) {return;}; virtual void gotGoodbye(const SyncSource &src, const std::string& reason) {return;}; }; /** * This is the base session stack that will maintain all network audio * activity. * * @author David Sugar * @short RTP stack for network audio. */ class RTPAudio : public RTPSocket { private: unsigned groups; // multicast groups joined bool unicast; // indicate if in unicast call bool shutdown; // tracks shutdown state void onGotHello(const SyncSource &src); void onGotGoodbye(const SyncSource &src, const std::string& reason); public: RTPAudio(); void exit(const char *reason); }; /** * This is the base interface for DSO loadable audio devices. * * @author David Sugar * @short base class for Audio devices. */ class DevAudio { protected: DevAudio(); public: virtual void open(void) = 0; // open device channel virtual void close(void) = 0; // close device channel }; extern bool multicast; extern bool daemon; extern KeyThreads keythreads; extern KeyRTP keyrtp; extern KeyAudio keyaudio; extern RTPAudio *rtp; extern DevAudio *audio; #ifdef CCXX_NAMESPACES } #endif #endif ccrtp-2.0.6/phone/config.cpp0000664000175000017500000000334011767643350012653 00000000000000// Copyright (C) 2000-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2008 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include "server.h" #ifdef CCXX_NAMESPACES namespace ost { #endif KeyThreads::KeyThreads() : Keydata("/phone/threads") { static Keydata::Define defkeys[] = { {"audio", "0"}, {"priority", "0"}, {"rtp", "0"}, {"gui", "0"}, {"policy", "other"}, {"stack", "8"}, {NULL, NULL}}; load("~phone/threads"); load(defkeys); const char *cp = getLast("pri"); if(cp) setValue("priority", cp); } KeyRTP::KeyRTP() : Keydata("/phone/rtp") { static Keydata::Define defkeys[] = { {"interface", "*"}, {"multicast", "*"}, {"port", "3128"}, {NULL, NULL}}; load("~phone/rtp"); load(defkeys); } KeyAudio::KeyAudio() : Keydata("/phone/audio") { static Keydata::Define defkeys[] = { {"interface", "oss"}, {"device", "/dev/audio"}, {"mike", "80"}, {"speaker", "80"}, {NULL, NULL}}; load("~phone/audio"); load(defkeys); } KeyThreads keythreads; KeyAudio keyaudio; KeyRTP keyrtp; #ifdef CCXX_NAMESPACES } #endif ccrtp-2.0.6/phone/server.cpp0000664000175000017500000000457011767643350012722 00000000000000// Copyright (C) 2000-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2008 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include #include #include "server.h" #include #include using namespace std; #ifdef CCXX_NAMESPACES namespace ost { using namespace std; #endif void server(void) { const char *reason = "exiting"; char *cp, *ep; std::fstream fifo; new RTPAudio; ::signal(SIGPIPE, SIG_IGN); int fd; char buf[256]; ::remove(".phonepid"); if(daemon) { close(0); close(1); close(2); Process::detach(); open("/dev/null", O_RDWR); open("/dev/null", O_RDWR); open("/dev/null", O_RDWR); slog.open("phone", Slog::classDaemon); slog.level(Slog::levelNotice); slog(Slog::levelNotice) << "daemon mode started" << std::endl; } else { slog.open("phone", Slog::classDaemon); slog.level(Slog::levelDebug); slog(Slog::levelNotice) << "server starting..." << std::endl; } snprintf(buf, 11, "%d", getpid()); fd = ::creat(".phonepid", 0660); if(fd > -1) { ::write(fd, buf, 10); ::close(fd); } fifo.open(".phonectrl", std::ios::in | std::ios::out); if(!fifo.is_open()) { slog(Slog::levelError) << "fifo failed; exiting" << std::endl; exit(-1); } rtp->startRunning(); // we assume it's always running while(!fifo.eof()) { fifo.getline(buf, 256); cp = buf; while(isspace(*cp)) ++cp; ep = strrchr(cp, '\n'); if(ep) *ep = 0; if(!*cp) continue; slog(Slog::levelDebug) << "fifo: " << cp << std::endl; if(!strnicmp(cp, "exit", 4)) break; } rtp->exit(reason); fifo.close(); slog(Slog::levelWarning) << "server exiting..." << std::endl; exit(0); } #ifdef CCXX_NAMESPACES } #endif ccrtp-2.0.6/phone/server.h0000664000175000017500000000220611767643350012361 00000000000000// Copyright (C) 2000-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2008 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include #include #include #include "phone.h" #ifdef CCXX_NAMESPACES namespace ost { #endif class RTPUnicast : public RTPAudio { public: RTPUnicast(); }; class RTPMulticast : public RTPAudio { public: RTPMulticast(); }; void server(void); #ifdef CCXX_NAMESPACES } #endif ccrtp-2.0.6/phone/rtp.cpp0000664000175000017500000000420311767643350012212 00000000000000// Copyright (C) 2000-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2008 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include #include "server.h" using namespace std; #ifdef CCXX_NAMESPACES namespace ost { using namespace std; #endif RTPEvent *RTPEvent::first = NULL; RTPEvent::RTPEvent() { next = first; first = this; } RTPAudio::RTPAudio() : RTPSocket(keyrtp.getInterface(), keyrtp.getPort(), keythreads.priRTP()) { rtp = this; setSchedulingTimeout(keyrtp.getTimer()); setExpireTimeout(keyrtp.getExpire()); groups = 0; unicast = false; shutdown = false; } void RTPAudio::exit(const char *reason) { shutdown = true; dispatchBYE(reason); sleep(500); delete rtp; rtp = NULL; } void RTPAudio::onGotHello(const SyncSource &src) { RTPEvent *event = RTPEvent::first; slog(Slog::levelDebug) << "hello(" << src.getID() << ") "; Participant* p = src.getParticipant(); slog() << p->getSDESItem(SDESItemTypeCNAME) << std::endl; while(event) { event->gotHello(src); event = event->next; } } void RTPAudio::onGotGoodbye(const SyncSource &src, const string& reason) { RTPEvent *event = RTPEvent::first; slog(Slog::levelDebug) << "bye(" << src.getID() << ") "; Participant* p = src.getParticipant(); slog() << p->getSDESItem(SDESItemTypeCNAME) << "; " << reason; slog() << std::endl; while(event) { event->gotGoodbye(src, reason); event = event->next; } } RTPAudio *rtp; #ifdef CCXX_NAMESPACES } #endif ccrtp-2.0.6/phone/phone.cpp0000664000175000017500000000642311767643350012524 00000000000000// Copyright (C) 2000-2005 Open Source Telecom Corporation. // Copyright (C) 2006-2008 David Sugar, Tycho Softworks. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include "server.h" #include #include #include #include using namespace std; #ifdef CCXX_NAMESPACES namespace ost { using namespace std; #endif bool multicast = false; bool daemon = false; bool drop = false; bool answer = false; static int initial(int argc, char **argv) { static bool usage = false; static struct option long_options[] = { {"hangup", 0, 0, 'd'}, {"drop", 0, 0, 'd'}, {"background", 0, 0, 'D'}, {"foreground", 0, 0, 'F'}, {"daemon", 0, 0, 'D'}, {"multicast", 0, 0, 'm'}, {"unicast", 0, 0, 'u'}, {"help", 0, 0, 'h'}, {"priority", 1, 0, 'p'}, {0, 0, 0, 0}}; int idx, opt; char *cp = strchr(argv[0], '/'); if(cp) ++cp; else cp = argv[0]; if(*cp == 'm') multicast = true; while(EOF != (opt = getopt_long(argc, argv, "mudp:FDh", long_options, &idx))) { switch(opt) { case 'm': multicast = true; break; case 'u': multicast = false; break; case 'p': keythreads.setValue("priority", optarg); break; case 'F': daemon = false; break; case 'D': daemon = true; break; case 'd': drop = true; break; default: usage = true; } } if(usage) { std::cerr << "use: phone [options] [parties...]" << std::endl; exit(-1); } return optind; } static int getPid() { int pid, fd; char buf[20]; fd = ::open(".phonepid", O_RDONLY); if(fd < 0) return 0; ::read(fd, buf, 16); buf[10] = 0; ::close(fd); pid = atol(buf); if(kill(pid, 0)) return 0; return pid; } #ifdef CCXX_NAMESPACES extern "C" { #endif int main(int argc, char **argv) { int pid = 0, wpid = 0; int idx; std::ofstream fifo; chdir(getenv("HOME")); if(canAccess(".phonepid")) if(canModify(".phonectrl")) pid = getPid(); idx = initial(argc, argv); if(!pid) { ::remove(".phonectrl"); ::mkfifo(".phonectrl", 0660); pid = ::fork(); if(!pid) { server(); exit(0); } if(daemon) ::waitpid(pid, NULL, 0); else wpid = pid; } fifo.open(".phonectrl", std::ios::out); if(!fifo.is_open()) { std::cerr << "phone: cannot get control interface" << std::endl; exit(-1); } if(idx == argc && drop) fifo << "DROP *" << std::endl; while(idx < argc) { if(drop) fifo << "DROP " << argv[idx++] << std::endl; else fifo << "JOIN " << argv[idx++] << std::endl; } fifo.close(); if(wpid > 0) ::waitpid(wpid, NULL, 0); exit(0); } #ifdef CCXX_NAMESPACES } } #endif ccrtp-2.0.6/COPYING0000664000175000017500000004307611767643350010636 00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS Appendix: How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 19yy This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) 19yy name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. ccrtp-2.0.6/configure0000755000175000017500000217105512153104762011476 00000000000000#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69. # # # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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" >&6; } if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 $as_echo "$ac_ct_DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm { $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 $as_echo_n "checking the name lister ($NM) interface... " >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 $as_echo "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if ${lt_cv_sys_max_cmd_len+:} false; then : $as_echo_n "(cached) " >&6 else i=0 teststring="ABCD" case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n $lt_cv_sys_max_cmd_len ; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 $as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } # Try some XSI features xsi_shell=no ( _lt_dummy="a/b/c" test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ = c,a/b,b/c, \ && eval 'test $(( 1 + 1 )) -eq 2 \ && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ && xsi_shell=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 $as_echo "$xsi_shell" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 $as_echo_n "checking whether the shell understands \"+=\"... " >&6; } lt_shell_append=no ( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ >/dev/null 2>&1 \ && lt_shell_append=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 $as_echo "$lt_shell_append" >&6; } if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 $as_echo_n "checking how to convert $build file names to $host format... " >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac for ac_prog in gawk mawk nawk awk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AWK+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AWK"; then ac_cv_prog_AWK="$AWK" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AWK="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AWK=$ac_cv_prog_AWK if test -n "$AWK"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 $as_echo "$AWK" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AWK" && break done # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 $as_echo "$ac_ct_OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 $as_echo_n "checking for -single_module linker flag... " >&6; } if ${lt_cv_apple_cc_single_mod+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test $_lt_result -eq 0; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 $as_echo "$lt_cv_apple_cc_single_mod" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 $as_echo_n "checking for -exported_symbols_list linker flag... 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FIXME archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' else ld_shlibs=no fi ;; cygwin* | mingw* | pw32* | cegcc*) # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, # as there is no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' export_dynamic_flag_spec='${wl}--export-all-symbols' allow_undefined_flag=unsupported always_export_symbols=no enable_shared_with_static_runtimes=yes export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' # If the export-symbols file already is a .def file (1st line # is EXPORTS), use it as is; otherwise, prepend... archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then cp $export_symbols $output_objdir/$soname.def; else echo EXPORTS > $output_objdir/$soname.def; cat $export_symbols >> $output_objdir/$soname.def; fi~ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' else ld_shlibs=no fi ;; haiku*) archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' link_all_deplibs=yes ;; interix[3-9]*) hardcode_direct=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. # Instead, shared libraries are loaded at an image base (0x10000000 by # default) and relocated if they conflict, which is a slow very memory # consuming and fragmenting process. To avoid this, we pick a random, # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link # time. Moving up from 0x10000000 also allows more sbrk(2) space. archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' ;; gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) tmp_diet=no if test "$host_os" = linux-dietlibc; then case $cc_basename in diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) esac fi if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ && test "$tmp_diet" = no then tmp_addflag=' $pic_flag' tmp_sharedflag='-shared' case $cc_basename,$host_cpu in pgcc*) # Portland Group C compiler whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' tmp_addflag=' $pic_flag' ;; pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group f77 and f90 compilers whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' tmp_addflag=' $pic_flag -Mnomain' ;; ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 tmp_addflag=' -i_dynamic' ;; efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 tmp_addflag=' -i_dynamic -nofor_main' ;; ifc* | ifort*) # Intel Fortran compiler tmp_addflag=' -nofor_main' ;; lf95*) # Lahey Fortran 8.1 whole_archive_flag_spec= tmp_sharedflag='--shared' ;; xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) tmp_sharedflag='-qmkshrobj' tmp_addflag= ;; nvcc*) # Cuda Compiler Driver 2.2 whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' compiler_needs_object=yes ;; esac case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C 5.9 whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' compiler_needs_object=yes tmp_sharedflag='-G' ;; *Sun\ F*) # Sun Fortran 8.3 tmp_sharedflag='-G' ;; esac archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi case $cc_basename in xlf* | bgf* | bgxlf* | mpixlf*) # IBM XL Fortran 10.1 on PPC cannot create shared libs itself whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' if test "x$supports_anon_versioning" = xyes; then archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' fi ;; esac else ld_shlibs=no fi ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' wlarc= else archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' fi ;; solaris*) if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: The releases 2.8.* of the GNU linker cannot reliably *** create shared libraries on Solaris systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. But doing so # requires that you compile everything twice, which is a pain. if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = no; then runpath_var= hardcode_libdir_flag_spec= export_dynamic_flag_spec= whole_archive_flag_spec= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix[4-9]*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to AIX nm, but means don't demangle with GNU nm # Also, AIX nm treats weak defined symbols like other global # defined symbols, whereas GNU nm marks them as "W". if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' else export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. If -brtl is somewhere in LDFLAGS, we # need to do runtime linking. case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) for ld_flag in $LDFLAGS; do if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then aix_use_runtimelinking=yes break fi done ;; esac exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. archive_cmds='' hardcode_direct=yes hardcode_direct_absolute=yes hardcode_libdir_separator=':' link_all_deplibs=yes file_list_spec='${wl}-f,' if test "$GCC" = yes; then case $host_os in aix4.[012]|aix4.[012].*) # We only want to do this on AIX 4.2 and lower, the check # below for broken collect2 doesn't work under 4.3+ collect2name=`${CC} -print-prog-name=collect2` if test -f "$collect2name" && strings "$collect2name" | $GREP resolve_lib_name >/dev/null then # We have reworked collect2 : else # We have old collect2 hardcode_direct=unsupported # It fails to find uninstalled libraries when the uninstalled # path is not listed in the libpath. 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The following line is correct: shared_flag='-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi export_dynamic_flag_spec='${wl}-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; 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then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl*) # Native MSVC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; else sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile="$lt_outputfile.exe" lt_tool_outputfile="$lt_tool_outputfile.exe" ;; esac~ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test "$lt_cv_ld_force_load" = "yes"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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" >&6; } if ${lt_cv_prog_compiler__b+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler__b=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 $as_echo "$lt_cv_prog_compiler__b" >&6; } if test x"$lt_cv_prog_compiler__b" = xyes; then archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 $as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test "$lt_cv_irix_exported_symbol" = yes; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. GCC discards it without `$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test "$GCC" = yes; then whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='${wl}-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test "$GCC" = yes; then archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We can NOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; 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then case $host_os in openbsd2.[89] | openbsd2.[89].*) shlibpath_overrides_runpath=no ;; *) shlibpath_overrides_runpath=yes ;; esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test "X$hardcode_automatic" = "Xyes" ; then # We can hardcode non-existent directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink || test "$inherit_rpath" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen="shl_load" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen="dlopen" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... " >&6; } if ${ac_cv_lib_dld_dld_link+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dld_link (); int main () { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_dld_link=yes else ac_cv_lib_dld_dld_link=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 $as_echo "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = xyes; then : lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" fi fi fi fi fi fi ;; esac if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS="$CPPFLAGS" test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS="$LDFLAGS" wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 $as_echo_n "checking whether a program can dlopen itself... " >&6; } if ${lt_cv_dlopen_self+:} false; then : $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisbility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; esac else : # compilation failed lt_cv_dlopen_self=no fi fi rm -fr conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 $as_echo "$lt_cv_dlopen_self" >&6; } if test "x$lt_cv_dlopen_self" = xyes; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 $as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } if ${lt_cv_dlopen_self_static+:} false; then : $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self_static=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisbility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; esac else : # compilation failed lt_cv_dlopen_self_static=no fi fi rm -fr conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 $as_echo "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS="$save_CPPFLAGS" LDFLAGS="$save_LDFLAGS" LIBS="$save_LIBS" ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi striplib= old_striplib= { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 $as_echo_n "checking whether stripping libraries is possible... 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then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Append ld.so.conf contents to the search path if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); 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VPATH = ../../src:../../demo OPATH = ../mingw32 ARCH = i586-mingw32msvc- prefix = /usr/i586-mingw32msvc CXX = $(ARCH)c++ AS = $(ARCH)as DLLTOOL = $(ARCH)dlltool DLLWRAP = $(ARCH)dllwrap WINDRES = $(ARCH)windres STRIP = $(ARCH)strip exeext = .exe dllext = .dll CPPFLAGS = -I. -I../../src/ -D_GNU_SOURCE CXXFLAGS = -include ${prefix}/include/cc++2/cc++/config.h -g -Wall -O2 -mthreads LDFLAGS = -L$(prefix)/dll -lccrtp1 #-lccgnu2 -lccext2 -lws2_32 CCRTP1_LDFLAGS = -L$(prefix)/dll -lws2_32 #LDEXEC = -L$(OPATH) -lccrtp1 $(LDFLAGS) CCRTP1_DLL_NAME = ccrtp1.dll CCRTP1_DLL_LIB = ccrtp1.a CCRTP1_DLL_DEF = ccrtp1.def PROGS = rtphello.exe rtpsend.exe rtplisten.exe all: $(CCRTP1_DLL_NAME) $(PROGS) SHDRS = base.h formats.h rtppkt.h rtcppkt.h sources.h socket.h \ queuebase.h iqueue.h oqueue.h ioqueue.h cqueue.h HDRS = $(addprefix ../../src/ccrtp, $(SHDRS)) CCRTP1_OBJS = rtppkt.o rtcppkt.o source.o data.o \ incqueue.o outqueue.o queue.o \ control.o members.o socket.o duplex.o pool.o CCRTP1_DLLWRAP_FLAGS = --export-all --output-def $(CCRTP1_DLL_DEF) \ --implib $(CCRTP1_DLL_LIB) --driver-name $(CXX) $(CCRTP1_DLL_NAME) $(CCRTP1_DLL_DEF) $(CCRTP1_DLL_LIB): $(addprefix $(OPATH)/, $(CCRTP1_OBJS)) $(DLLWRAP) $(CCRTP1_DLLWRAP_FLAGS) -o $(CCRTP1_DLL_NAME) \ $(CCRTP1_OBJS) $(CCRTP1_LDFLAGS) $(OPATH)/%.o: %.cpp $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) -o $(OPATH)/$(basename $@).o $< %.exe: %.cpp $(CXX) $(CPPFLAGS) $(CXXFLAGS) $< -L. -lccrtp1 $(LDFLAGS) -o $@ clean: -rm -f $(CCRTP1_OBJS) $(CCRTP1_DLL_NAME) $(CCRTP1_DLL_LIB) $(CCRTP1_DLL_DEF) $(PROGS) install: -mkdir $(prefix)/include/ccrtp -mkdir $(prefix)/dll cp -af $(HDRS) $(prefix)/include/ccrtp cp -af $(CCRTP1_DLL_LIB) $(CCRTP1_DLL_NAME) $(prefix)/dll cp -af $(CCRTP1_DLL_LIB) $(prefix)/lib/libccrtp1dll.a $(STRIP) $(prefix)/dll/$(CCRTP1_DLL_NAME) ar -rs $(prefix)/lib/$(CCRTP1_DLL_LIB) $(CCRTP1_OBJS) ccrtp-2.0.6/w32/Makefile.am0000775000175000017500000000131611767643351012245 00000000000000# Copyright (C) 2002 Federico Montesino Pouzols # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. MAINTAINERCLEANFILES = Makefile.in Makefile EXTRA_DIST = README msvcpp/ccrtp1.dsw msvcpp/ccrtp1.dsp \ msvcpp/ccRTPdemo.dsw msvcpp/demo/*.dsp \ cape/*.dsw cape/*.dsp cape/*.sln cape/*.vcproj \ mingw32/Makefile.gcc common/*.dsp ccrtp-2.0.6/w32/README0000775000175000017500000000274711767643351011102 00000000000000This directory contains special make/project files for Win32 environments. There is files included from Common C++ that help make this happen, and you can include these files locally or attach symlinks as needed to make the Visual C++ project build work correctly from cvs. The distribution tarball will include these files already in their proper places, but a pure cvs checkout will not without copying or symlinking the additional Common C++ files. * msvcpp/: contains Visual C++ workspace and project files for ccRTP. The library will be compiled as dll under the Release and Debug directories. * mingw32/: Mingw32 makefile. The principle symlinks are: ccrtp/w32/common/cc++ -> commoncpp2/w32/cc++ ccrtp/w32/include/cc++ -> commoncpp2/w32/include/cc++ ccrtp/w32/template/cc++ -> commoncpp2/w32/template ccrtp/w32/src -> commoncpp2/w32/src CCRTP can automatically create these symlinks for you during configure. To do this, you would specify the --with-commoncpp=dir option to configure. The dir you use is the full path to the "base" directory where Common C++ sources were unpacked. The configure script will then add the extra sym links needed to support a w32 build, and these extra w32 support files will be added to your distribution tarball for you. --without-commoncpp may also be used to clear all symlinks. 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AUTOMAKE_OPTIONS = no-dependencies dist-shar dist-zip ACLOCAL_AMFLAGS = -I m4 EXTRA_DIST = autogen.sh ccrtp.spec ccrtp.spec.in COPYING.addendum \ ccrtp.list ccrtp.list.in libccrtp.pc libccrtp.pc.in autoconf/* \ ccrtp-config.h directive.in SUBDIRS = src demo doc DIST_SUBDIRS = m4 src phone doc demo w32 pkgconfigdir = $(libdir)/pkgconfig pkgconfig_DATA = libccrtp.pc dist-hook: cleandist cleandist: @rm -f ${PACKAGE}-[0-9]*.tar.gz @rm -f ${PACKAGE}-[0-9]*.tar.bz2 @rm -f ${PACKAGE}-[0-9]*.shar.gz @rm -f ${PACKAGE}-[0-9]*.zip @rm -f *${PACKAGE}*.rpm @rm -f *${PACKAGE}*.deb @rm -f ${PACKAGE}_*.gz @rm -f ${PACKAGE}_*.dsc @rm -f *.changes ccrtp-2.0.6/AUTHORS0000664000175000017500000000040411767643350010637 00000000000000Authors of ccrtp. See also the files THANKS and ChangeLog. David Sugar designed and implemented initial ccRTP. Federico Montesino Pouzols has helped make it work. Werner Dittman added SRTP support based on srtp package. ccrtp-2.0.6/README0000664000175000017500000000276411767643350010462 00000000000000Copyright (c) 1999-2002 by Open Source Telecom Corporation. Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved. Welcome to GNU ccRTP, the RTP protocol stack of GNU Common C++ and the GNU project. GNU ccRTP was created as a "generic" and high performance RTP stack and uses queued packet lists for both sending and receiving of realtime data. A single scheduler thread both schedules delivery of timestamped outgoing packets, and processes incoming packets into the receive queue. A seperate thread or process can then feed data into the stack for delivery and process pending requests without interfering with the stack service thread itself. 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as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a configuration dnl script generated by Autoconf, you may include it under the same dnl distribution terms that you use for the rest of that program. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' ;; xl* | mpixl* | bgxl*) # IBM XL 8.0 on PPC, with GNU ld _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes # Not sure whether something based on # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 # would be better. output_verbose_link_cmd='func_echo_all' # Archives containing C++ object files must be created using # "CC -xar", where "CC" is the Sun C++ compiler. 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*) _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ echo "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ $RM $lib.exp' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' ;; esac _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). These are needed # for certain cross-compile configurations and native mingw. m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_MSG_CHECKING([how to convert $build file names to $host format]) AC_CACHE_VAL(lt_cv_to_host_file_cmd, [case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac ]) to_host_file_cmd=$lt_cv_to_host_file_cmd AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) _LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], [0], [convert $build file names to $host format])dnl AC_MSG_CHECKING([how to convert $build file names to toolchain format]) AC_CACHE_VAL(lt_cv_to_tool_file_cmd, [#assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac ]) to_tool_file_cmd=$lt_cv_to_tool_file_cmd AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) _LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], [0], [convert $build files to toolchain format])dnl ])# _LT_PATH_CONVERSION_FUNCTIONS ccrtp-2.0.6/m4/ost_prog.m40000664000175000017500000000414711767643350012215 00000000000000dnl Copyright (C) 1999-2005 Open Source Telecom Corporation. dnl Copyright (C) 2006-2010 David Sugar, Tycho Softworks. dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a configuration dnl script generated by Autoconf, you may include it under the same dnl distribution terms that you use for the rest of that program. AC_DEFUN([OST_PROG_CC_POSIX],[ AC_PROG_CC AC_PROG_CPP AC_ISC_POSIX AC_MINIX] ) AC_DEFUN([OST_PROG_COMMON],[ AC_REQUIRE([AC_PROG_INSTALL]) AC_REQUIRE([AC_PROG_MAKE_SET]) ]) AC_DEFUN([OST_PROJ_LIBRARY],[ AC_REQUIRE([AM_PROG_LIBTOOL]) AC_REQUIRE([AC_PROG_RANLIB]) if test ! -z "[$2]" ; then if test ! -z "[$3]" ; then LT_[$1]_VERSION="-version-info [$3] -release [$2]" else LT_[$1]_VERSION="-release [$2]" fi AC_SUBST(LT_[$1]_VERSION) fi ]) AC_DEFUN([OST_PROG_LIBVER],[ LT_MAJOR="`echo $LT_VERSION | sed s/:.*$//`" LT_MINOR="`echo $LT_VERSION | sed s/.*://`" LT_SUBVER="$LT_MAJOR.$LT_MINOR" AC_SUBST(LT_RELEASE) AC_SUBST(LT_SUBVER) AC_SUBST(LT_MAJOR) AC_SUBST(LT_MINOR) ]) AC_DEFUN([OST_PROG_LIBRARY],[ AC_REQUIRE([AM_PROG_LIBTOOL]) AC_REQUIRE([AC_PROG_RANLIB]) if test ! -z "[$2]" ; then LT_[$1]_VERSION="-version-info [$2]" AC_SUBST(LT_[$1]_VERSION) fi ]) ccrtp-2.0.6/m4/ltoptions.m40000644000175000017500000003007312153104757012400 00000000000000# Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, # Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl `shared' nor `disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the `shared' and # `disable-shared' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the `static' and # `disable-static' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the `fast-install' # and `disable-fast-install' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_PIC([MODE]) # -------------------- # implement the --with-pic flag, and support the `pic-only' and `no-pic' # LT_INIT options. # MODE is either `yes' or `no'. If omitted, it defaults to `both'. m4_define([_LT_WITH_PIC], [AC_ARG_WITH([pic], [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for lt_pkg in $withval; do IFS="$lt_save_ifs" if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS="$lt_save_ifs" ;; esac], [pic_mode=default]) test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) ## ----------------- ## ## LTDL_INIT Options ## ## ----------------- ## m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) ccrtp-2.0.6/m4/libgcrypt_local.m40000664000175000017500000001016311767643350013525 00000000000000dnl Autoconf macros for libgcrypt dnl Copyright (C) 2002, 2004 Free Software Foundation, Inc. dnl dnl This file is free software; as a special exception the author gives dnl unlimited permission to copy and/or distribute it, with or without dnl modifications, as long as this notice is preserved. dnl dnl This file is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS. dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed dnl with the API version to also check the API compatibility. Example: dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using dnl this features allows to prevent build against newer versions of libgcrypt dnl with a changed API. dnl AC_DEFUN([AM_PATH_LIBGCRYPT_CCRTP], [ AC_ARG_WITH(libgcrypt-prefix, AC_HELP_STRING([--with-libgcrypt-prefix=PFX], [prefix where LIBGCRYPT is installed (optional)]), libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="") if test x$libgcrypt_config_prefix != x ; then if test x${LIBGCRYPT_CONFIG+set} != xset ; then LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config fi fi AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config, no) tmp=ifelse([$1], ,1:1.2.0,$1) if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` else req_libgcrypt_api=0 min_libgcrypt_version="$tmp" fi AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version) ok=no if test "$LIBGCRYPT_CONFIG" != "no" ; then req_major=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` req_minor=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` req_micro=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version` major=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` minor=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` micro=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` if test "$major" -gt "$req_major"; then ok=yes else if test "$major" -eq "$req_major"; then if test "$minor" -gt "$req_minor"; then ok=yes else if test "$minor" -eq "$req_minor"; then if test "$micro" -ge "$req_micro"; then ok=yes fi fi fi fi fi fi if test $ok = yes; then AC_MSG_RESULT([yes ($libgcrypt_config_version)]) else AC_MSG_RESULT(no) fi if test $ok = yes; then # If we have a recent libgcrypt, we should also check that the # API is compatible if test "$req_libgcrypt_api" -gt 0 ; then tmp=`$LIBGCRYPT_CONFIG --api-version 2>/dev/null || echo 0` if test "$tmp" -gt 0 ; then AC_MSG_CHECKING([LIBGCRYPT API version]) if test "$req_libgcrypt_api" -eq "$tmp" ; then AC_MSG_RESULT([okay]) else ok=no AC_MSG_RESULT([does not match. want=$req_libgcrypt_api got=$tmp]) fi fi fi fi if test $ok = yes; then LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags` LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs` ifelse([$2], , :, [$2]) else LIBGCRYPT_CFLAGS="" LIBGCRYPT_LIBS="" ifelse([$3], , :, [$3]) fi AC_SUBST(LIBGCRYPT_CFLAGS) AC_SUBST(LIBGCRYPT_LIBS) ]) ccrtp-2.0.6/m4/lt~obsolete.m40000644000175000017500000001375612153104757012730 00000000000000# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- # # Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. # Written by Scott James Remnant, 2004. # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 5 lt~obsolete.m4 # These exist entirely to fool aclocal when bootstrapping libtool. # # In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) # which have later been changed to m4_define as they aren't part of the # exported API, or moved to Autoconf or Automake where they belong. # # The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN # in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us # using a macro with the same name in our local m4/libtool.m4 it'll # pull the old libtool.m4 in (it doesn't see our shiny new m4_define # and doesn't know about Autoconf macros at all.) # # So we provide this file, which has a silly filename so it's always # included after everything else. This provides aclocal with the # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything # because those macros already exist, or will be overwritten later. # We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. # # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. # Yes, that means every name once taken will need to remain here until # we give up compatibility with versions before 1.7, at which point # we need to keep only those names which we still refer to. # This is to help aclocal find these macros, as it can't see m4_define. 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the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # @configure_input@ # serial 3337 ltversion.m4 # This file is part of GNU Libtool m4_define([LT_PACKAGE_VERSION], [2.4.2]) m4_define([LT_PACKAGE_REVISION], [1.3337]) AC_DEFUN([LTVERSION_VERSION], [macro_version='2.4.2' macro_revision='1.3337' _LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) _LT_DECL(, macro_revision, 0) ]) ccrtp-2.0.6/m4/ltsugar.m40000644000175000017500000001042412153104757012024 00000000000000# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. # Written by Gary V. 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It is based on Common C++ and provides a full RTP/RTCP stack for sending and receiving of realtime data by the use of send and receive packet queues. ccRTP supports unicast, multi-unicast and multicast, manages multiple sources, handles RTCP automatically, supports different threading models and is generic as for underlying network and transport protocols. %package -n %{_libname} Group: Development/Libraries/C and C++ Summary: Runtime library for GNU RTP Stack Provides: %{name} = %{version}-%{release} %package -n %{_devname} Group: Development/Libraries/C and C++ Summary: Headers and static link library for ccrtp Requires: %{_libname} = %{version} Requires: ucommon-devel >= 5.0.0 Requires: libgcrypt-devel Provides: %{name}-devel = %{version}-%{release} %description -n %{_libname} This package contains the runtime library needed by applications that use the GNU RTP stack. %description -n %{_devname} This package provides the header files, link libraries, and documentation for building applications that use GNU ccrtp. %prep %setup %build %configure make %{?_smp_mflags} LDFLAGS="-s" CXXFLAGS="$RPM_OPT_FLAGS" %install %makeinstall rm -rf %{buildroot}/%{_infodir} %clean rm -rf %{buildroot} %files -n %{_libname} %defattr(-,root,root,0755) %doc AUTHORS COPYING ChangeLog README COPYING.addendum %{_libdir}/*.so.* %files -n %{_devname} %defattr(-,root,root,0755) %{_libdir}/*.a %{_libdir}/*.so %{_libdir}/*.la %{_libdir}/pkgconfig/*.pc %dir %{_includedir}/ccrtp %{_includedir}/ccrtp/*.h %post -n %{_libname} -p /sbin/ldconfig %postun -n %{_libname} -p /sbin/ldconfig %changelog * Tue Jan 06 2011 - Werner Dittmann - Add Skein MAC authentication algorithm ccrtp-2.0.6/TODO0000664000175000017500000000213311767643350010260 00000000000000- linked list template - preallocated buffers mode for scheduling queue. - adaptive jitter buffer schemes - simplified incoming queue for only 1 source / or a low number of sources. - TCP framing - remove conflicting addresses after 10 RTCP report intervals - add separated collision and loop counters? - QueueRTCPManager::expireSSRCs API additions: - make RTCP interval randomization optional? - Add user interface for RTP header extensions - Interface for CSRC list and RTCP reports about CSRCs, for RTP mixers - provide/improve NTP-RTP mapping interface - encryption: no, full, RTP and non-SDES RTCP packets: provide 'setEncryptionMode' method and virtuals for encryption implementation. setKey method. - Implement SSRC sampling algorithm More TODO: - Test ccRTP following RFC 3158: ``RTP Testing Strategies'', check robust handling of payload change - QueueRTCPManager::QueueRTCPManager(..): path MTU is always assumed to be 1500 - Address the enhanced/best-effort service issue Profiles: - SRTP, (SAVP profile) - RTCP Feedback profile (AVPF profile) - SAVPF Last change: Jan 22, 2004 ccrtp-2.0.6/configure.ac0000664000175000017500000001060112153104361012035 00000000000000# Copyright (C) 1999-2005 Open Source Telecom Corporation. # Copyright (C) 2006-2010 David Sugar, Tycho Softworks. # # This file is free software; as a special exception the author gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. AC_INIT(src/ccrtp/rtp.h) cfg_options="" if test -z "$*" ; then if test -f ~/.configure ; then cfg_options=`grep ^ccrtp: ~/.configure | sed -e s/^ccrtp://` elif test -f /etc/configure.conf ; then cfg_options=`grep ^ccrtp: /etc/configure.conf | sed -e s/^ccrtp://` fi fi if test ! -z "$cfg_options" ; then echo "using ~/.configure defaults...$cfg_options" case "$SHELL" in */bash*) exec $SHELL $0 $cfg_options exit -1 ;; esac exec $0 $cfg_options exit -1 fi VERSION="2.0.6" REQUIRES="5.0.0" LT_VERSION="2:3:0" AC_CONFIG_AUX_DIR(autoconf) AC_CANONICAL_SYSTEM AC_PROG_CPP AC_PROG_CXXCPP AC_PROG_CXX # OST_PROG_CC_POSIX AM_PROG_LIBTOOL AM_INIT_AUTOMAKE(ccrtp,[$VERSION]) AM_CONFIG_HEADER(ccrtp-config.h) AC_C_RESTRICT AC_C_VOLATILE AC_C_INLINE if test -z "$PKG_CONFIG_PATH" ; then PKG_CONFIG_PATH="/usr/local/lib/pkgconfig" fi if test "$prefix" != "NONE" ; then PKG_CONFIG_PATH="$prefix/lib/pkgconfig:$PKG_CONFIG_PATH" fi export PKG_CONFIG_PATH # use "-no-undefined" on Cygwin to force (trigger) libtool to create # the shared lib. If this is not set this library # is not created. Be sure that the LIBS variable above contains _all_ # libraries necessary to build ours, Cygwin does not allow undefined # symbols. case $host in # *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*) *-*-cygwin*) LDFLAGS="$LDFLAGS -no-undefined" ;; *) ;; esac # SRTP support AC_ARG_ENABLE(srtp, AS_HELP_STRING([--enable-srtp], [enable SRTP support (default enabled)])) if test -z "$enable_srtp"; then enable_srtp="yes" AC_DEFINE(SRTP_SUPPORT, [], [SRTP support]) fi # availability of gcrypt or openSSL crypto library if SRTP support is enabled if test "${enable_srtp}" = "yes" then openssl="false" gcrypt="false" AM_PATH_LIBGCRYPT_CCRTP([1:1.2.3], [AC_CHECK_HEADERS([gcrypt.h], [], AC_MSG_ERROR([libgcrypt headers not found.])) LIBS="$LIBGCRYPT_LIBS $LIBS" gcrypt="true" ], [AC_CHECK_LIB([crypto], [EVP_CipherInit_ex], [AC_CHECK_HEADERS([openssl/bn.h openssl/aes.h openssl/sha.h], [], AC_MSG_ERROR([OpenSSL headers not found.])) LIBS="-lcrypto $LIBS" openssl="true" ], [AC_MSG_ERROR([Cannot find libgcrypt or OpenSSL crypto library.])] ) ] ) AM_CONDITIONAL(SRTP_OPENSSL, test "$openssl" = "true") AM_CONDITIONAL(SRTP_GCRYPT, test "$gcrypt" = "true") fi OST_PROG_COMMON OST_PROG_LIBVER OST_PROG_LIBRARY(CCXX,[$LT_VERSION]) OST_AUTOMAKE_MODE OST_MAINTAINER_MODE PKG_CHECK_MODULES(COMMONCPP, commoncpp >= $REQUIRES) CXXFLAGS="$CXXFLAGS $COMMONCPP_CFLAGS" GNULIBS="$COMMONCPP_LIBS $LIBS" AC_SUBST(GNULIBS) # OST_CC_ENDIAN - now in Common C++ # Are we using the GNU compiler? if test $GCC = yes ; then WARN_FLAGS="-fno-strict-aliasing -Wall -ansi -pedantic" else WARN_FLAGS="" fi AC_SUBST(WARN_FLAGS) OST_DEBUG dnl --with-nana: check for nana, the GNU assertion checking and logging library AC_ARG_WITH(nana,[ --with-nana use GNU nana for asserts and logging],[ AC_CHECK_HEADER(nana.h, [ AC_CHECK_HEADERS(DL.h, [ AC_CHECK_LIB(nana, main) ]) ]) ]) KDOC_DIR="\$(top_srcdir)/doc" AC_SUBST(KDOC_DIR) AC_SUBST(LT_VERSION) AC_PATH_PROG(DOXYGEN, doxygen, no) AC_SUBST(DOXYGEN) AM_CONDITIONAL(DOXY, test "$DOXYGEN" != "no") AC_OUTPUT(Makefile m4/Makefile src/Makefile src/ccrtp/Makefile doc/Makefile demo/Makefile phone/Makefile w32/Makefile ccrtp.spec libccrtp.spec ccrtp.list libccrtp.pc src/ccrtp/crypto/Makefile directive) ccrtp-2.0.6/ccrtp.spec0000644000175000017500000000465512153104770011554 00000000000000%{!?release: %define release 0} %{!?version: %define version 2.0.6} %define _libname libccrtp2 %define _devname libccrtp-devel Summary: A Common C++ Class Framework for RTP Packets Name: libccrtp Version: %{version} Release: %{release}%{?dist} License: LGPL v2 or later Group: Development/Libraries/C and C++ URL: http://www.gnu.org/software/commoncpp/commoncpp.html Source0: ccrtp-%{version}.tar.gz BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root BuildRequires: ucommon >= 5.0.0 BuildRequires: pkgconfig BuildRequires: libstdc++-devel BuildRequires: libgcrypt-devel BuildRequires: gcc-c++ %description ccRTP is a generic, extensible and efficient C++ framework for developing applications based on the Real-Time Transport Protocol (RTP) from the IETF. It is based on Common C++ and provides a full RTP/RTCP stack for sending and receiving of realtime data by the use of send and receive packet queues. ccRTP supports unicast, multi-unicast and multicast, manages multiple sources, handles RTCP automatically, supports different threading models and is generic as for underlying network and transport protocols. %package -n %{_libname} Group: Development/Libraries/C and C++ Summary: Runtime library for GNU RTP Stack Provides: %{name} = %{version}-%{release} %package -n %{_devname} Group: Development/Libraries/C and C++ Summary: Headers and static link library for ccrtp Requires: %{_libname} = %{version} Requires: ucommon-devel >= 5.0.0 Requires: libgcrypt-devel Provides: %{name}-devel = %{version}-%{release} %description -n %{_libname} This package contains the runtime library needed by applications that use the GNU RTP stack. %description -n %{_devname} This package provides the header files, link libraries, and documentation for building applications that use GNU ccrtp. %prep %setup %build %configure make %{?_smp_mflags} LDFLAGS="-s" CXXFLAGS="$RPM_OPT_FLAGS" %install %makeinstall rm -rf %{buildroot}/%{_infodir} %clean rm -rf %{buildroot} %files -n %{_libname} %defattr(-,root,root,0755) %doc AUTHORS COPYING ChangeLog README COPYING.addendum %{_libdir}/*.so.* %files -n %{_devname} %defattr(-,root,root,0755) %{_libdir}/*.a %{_libdir}/*.so %{_libdir}/*.la %{_libdir}/pkgconfig/*.pc %dir %{_includedir}/ccrtp %{_includedir}/ccrtp/*.h %post -n %{_libname} -p /sbin/ldconfig %postun -n %{_libname} -p /sbin/ldconfig %changelog * Tue Jan 06 2011 - Werner Dittmann - Add Skein MAC authentication algorithm ccrtp-2.0.6/INSTALL0000664000175000017500000001722711767643350010633 00000000000000Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, a file `config.cache' that saves the results of its tests to speed up reconfiguring, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.in' is used to create `configure' by a program called `autoconf'. You only need `configure.in' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. You can give `configure' initial values for variables by setting them in the environment. Using a Bourne-compatible shell, you can do that on the command line like this: CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure Or on systems that have the `env' program, you can do it like this: env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not supports the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' will install the package's files in `/usr/local/bin', `/usr/local/man', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PATH'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you give `configure' the option `--exec-prefix=PATH', the package will use PATH as the prefix for installing programs and libraries. Documentation and other data files will still use the regular prefix. In addition, if you use an unusual directory layout you can give options like `--bindir=PATH' to specify different values for particular kinds of files. Run `configure --help' for a list of the directories you can set and what kinds of files go in them. If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. Optional Features ================= Some packages pay attention to `--enable-FEATURE' options to `configure', where FEATURE indicates an optional part of the package. They may also pay attention to `--with-PACKAGE' options, where PACKAGE is something like `gnu-as' or `x' (for the X Window System). The `README' should mention any `--enable-' and `--with-' options that the package recognizes. For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Specifying the System Type ========================== There may be some features `configure' can not figure out automatically, but needs to determine by the type of host the package will run on. Usually `configure' can figure that out, but if it prints a message saying it can not guess the host type, give it the `--host=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name with three fields: CPU-COMPANY-SYSTEM See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the host type. If you are building compiler tools for cross-compiling, you can also use the `--target=TYPE' option to select the type of system they will produce code for and the `--build=TYPE' option to select the type of system on which you are compiling the package. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Operation Controls ================== `configure' recognizes the following options to control how it operates. `--cache-file=FILE' Use and save the results of the tests in FILE instead of `./config.cache'. Set FILE to `/dev/null' to disable caching, for debugging `configure'. `--help' Print a summary of the options to `configure', and exit. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. 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$(DOXYGEN) Doxymini) @DOXY_TRUE@ touch doxy # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: ccrtp-2.0.6/doc/fdlnotice.texi0000664000175000017500000000056211767643350013203 00000000000000Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". ccrtp-2.0.6/doc/srcmodel.txt0000664000175000017500000000123511767643350012710 00000000000000 --------------- --------------------| Participant |-------------------- | 0:n --------------- 0:1 | | 1 1:n | ------------------ ---------------- | RTPApplication | | SyncSource | ------------------ ---------------- | 1 0:n | | --------------- | --------------------| RTPSession |-------------------- 0:n --------------- 1 ccrtp-2.0.6/doc/ccrtp.info0000664000175000017500000032531311767644131012333 00000000000000This is ccrtp.info, produced by makeinfo version 4.13 from ccrtp.texi. INFO-DIR-SECTION Development START-INFO-DIR-ENTRY * GNU ccRTP: (ccrtp). GNU ccRTP Real-Time Transport Protocol Framework. END-INFO-DIR-ENTRY GNU ccRTP is a C++ class framework for the development of Real Time Transport Protocol (RTP) based applications. It is based on GNU Common C++. Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Federico Montesino Pouzols . Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".  File: ccrtp.info, Node: Top, Next: Introduction, Up: (dir) GNU ccRTP Manual **************** This manual describes GNU ccRTP, a C++ class framework for the development of Real Time Transport Protocol (RTP) based applications. This is the edition 1.3 of this manual and documents GNU ccRTP version 1.3. * Menu: * Introduction:: What RTP and ccRTP are. * Distribution:: How to get GNU ccRTP. * ccRTP Overview:: The library at a glance. * Using ccRTP:: Programming with GNU ccRTP overview. * Specialized Payload Formats:: Supported payload specific extensions. * Standards Tracking:: IETF Standards conformance. * Upgrading:: Upgrading applications based on old releases. * ccRTP Internals:: How GNU ccRTP is done. * Related Work:: Other RTP related libraries and tools. * Future Work:: Future of RTP and ccRTP. * Licenses:: Library and documentation licenses. * Class and Data Type Index:: Index of classes and data types in ccRTP. * Method and Function Index:: Index of methods and functions in ccRTP. * Concept Index:: Index of concepts.  File: ccrtp.info, Node: Introduction, Next: Distribution, Prev: Top, Up: Top 1 Introduction ************** ccRTP is a C++ framework for developing applications based on the Real Time Transport Protocol (RTP henceforth). RTP provides end-to-end delivery services for data with real-time characteristics and is being developed by the Audio/Video Working Group of the Internet Engineering Task Force (IETF). ccRTP aims to be an efficient and flexible framework valid for almost any kind of application that uses RTP, ranging from high loaded servers and gateways to personal phone applications. Default constructs and values are provided however for the most common choices in the use of RTP. ccRTP conforms to the latest RTP specifications (*note Standards Tracking::). ccRTP is based on the GNU Common C++ framework, though most of the library does not require it. Common C++ provides basic system services such as threading, synchronization and sockets(1), which makes it possible to provide a complete solution for the use of RTP. However, although ccRTP provides facilities and abstractions useful for the RTP specific components of applications that use RTP, such applications generally require similar system services for other tasks. Besides supporting ccRTP, Common C++ provides a portable and efficient framework for these kind of services. RTP has been defined as an application level protocol framework rather than a typical Internet transport protocol such as TCP and UDP. Thus, RTP is hardly ever implemented as a layer separated from the application. Consequently, RTP applications often must customize the adaptable RTP packet layout and processing rules, timing constraints, session membership rules as well as other RTP and RTCP mechanisms. ccRTP aims to provide a framework for the RTP framework, rather than being just an RTP packet manipulation library. As a clarification of the scope of the ccRTP library and the RTP protocol, we note that ccRTP exclusively deals with the transport of data over the RTP protocol. Once parameters such as destination IP address and transport port, payload type identifier and timestamp frequency are known, ccRTP can be used to open an RTP session and send and receive RTP and RTCP packets. A multimedia application will have those parameters previously set or, more usually, they can be fetched for example from SDP multimedia session descriptions, which can be interchanged (and negotiated) between servers and clients by means of some signaling protocol: SIP, RTSP, or even H.323. Signaling functions are not handled by ccRTP. This document is an introductory programmer's manual, for a more exhaustive reference see the reference manual distributed with GNU ccRTP. In *note ccRTP Overview::, the most important concepts and some basic examples are introduced. A deeper and step by step description as well as short examples are provided in *note Using ccRTP::. Finally, if after reading this document and/or using ccRTP you think it fails to provide some functionality that seems to be needed for some application, we encourage you to contact the developers of ccRTP and ask or propose them improvements and/or additions. You are also encouraged to provide these improvements and to join the development team. Bug reports, suggestions and criticisms are gladly accepted. ---------- Footnotes ---------- (1) As well as other more specialized services, such as MD5 computation.  File: ccrtp.info, Node: Distribution, Next: ccRTP Overview, Prev: Introduction, Up: Top 2 Distribution ************** GNU ccRTP is free software (see `http://www.gnu.org/philosophy/philosophy.html'. It is licensed under the terms of the GNU General Public License, *Note GNU General Public License::, plus a linking exception, *Note GNU ccRTP Linking Exception::. The linking exception is the same that is used for gcc libstdc++. This was done in the case of libstdc++ because the language of the LGPL is neither clear nor correct if one uses C++ features such as templates and method implimentation directly in headers, as the division between the C++ library and another's application is no longer purely a linking one. From the practical standpoint, the exact effect is the same as the LGPL, but with language that matches these C++ features. This is all explained at `http://gcc.gnu.org/onlinedocs/libstdc++/17_intro/license.html'. This manual is licensed under the terms of the GNU Free Documentation License, *Note GNU Free Documentation License::. There are several ways to get GNU ccRTP, refer to `http://www.gnu.org' and `http://www.gnu.org/software/ccrtp/'. The development of ccRTP is hosted at Savannah `http://sv.gnu.org/projects/ccrtp/'.  File: ccrtp.info, Node: ccRTP Overview, Next: Using ccRTP, Prev: Distribution, Up: Top 3 ccRTP Overview **************** At its highest level, ccRTP provides classes for the real-time transport of data through RTP sessions, as well as the control functions of RTCP. The main concept in the ccRTP implementation of RTP sessions is the use of packet queues to handle transmission and reception of RTP data packets/application data units. In ccRTP, a data block is transmitted by putting it into the transmission (outgoing packets) queue, and received by getting it from the reception (incoming packets) queue. Starting with 1.0 releases, ccRTP fully supports RTP and RTCP. Here is a brief list of some features of ccRTP: * Highly extensible to specialized stacks. * Supports unicast, multi-unicast and multicast. Handles multiple sources (including synchronization sources and contributing sources) and destinations. Also supports symmetric RTP. * Automatic RTCP functions handling, such as association of synchronization sources from the same participant or NTP-RTP timestamp mapping. * Genericity as for underlying network and transport protocols through templates. * It is threadsafe and supports almost any threading model. * Generic and extensible RTP and RTCP header validity checks. * Handles source states and information as well as statistics recording. * Automatically handles SSRC collisions and performs loop detection. * Implements timer reconsideration and reverse reconsideration. * Provides good random numbers, based on `/dev/urandom' or, alternatively, on MD5. There are several levels of interface (public interface, public or protected inheritance, etc) in ccRTP. For instance, the `rtphello' demo program distributed with ccRTP just uses the public interface of the `RTPSession' class and does not redefine the virtual method `onGotSR', thus what this program knows about SR reports is the information conveyed in the last sender report from any source, which can be retrieved via the `getMRSenderInfo' method of the `SyncSource' class. On the contrary, the `rtplisten' demo program redefines `onGotSR' by means of inheritance and could do specialized processing of these RTCP packets. Generally, both data and control packets are not directly accessible through the most external interface. All these functions are performed through a few essential classes and types. The most basic ones are the enumerated type `StaticPayloadType', and the classes `StaticPayloadFormat' and `DynamicPayloadFormat'. The most important ones are the classes `RTPSession', `SyncSource', `Participant' and `AppDataUnit', that represent RTP sessions, synchronization sources, participants in an RTP application, and application data units conveyed in RTP data packets, respectively. In the next sections, two basic examples are presented. These examples are intended to provide a concrete idea of what the code of a ccRTP based application looks like, they are not complete or compilable programs. You can find some real examples under the demo directory in the source distribution of ccRTP. * Menu: * Simple Transmitter:: Skeleton of a simple transmitter. * Simple Receiver:: Skeleton of a simple receiver.  File: ccrtp.info, Node: Simple Transmitter, Next: Simple Receiver, Up: ccRTP Overview 3.1 Simple Transmitter ====================== The following snippet illustrates the required steps to send an application data unit over RTP. RTPSession s(InetHostAddress("127.0.0.1"),8000); // bind reception socket // Initialization cout << "Local SSRC identifier: " << s.getLocalSSRC() << endl; s.addDestination("www.example.com",9000); // set one destination for packets s.setPayloadFormat(staticPayloadFormat(sptPCMU)); s.startRunning(); // start running the packet queue scheduler // Send data s.putData(0,buffer,bufferLen); // buffer holds bufferLen payload octets  File: ccrtp.info, Node: Simple Receiver, Prev: Simple Transmitter, Up: ccRTP Overview 3.2 Simple Receiver =================== The required actions to receive an application data unit over RTP are listed in the following code snippet. RTPSession s(InetHostAddress("127.0.0.1"),9000); // bind reception socket. // Initialization. cout << "Local SSRC identifier: " << s.getLocalSSRC() << endl; s.setPayloadFormat(staticPayloadFormat(sptPCMU)); s.startRunning(); // start running the packet queue scheduler. // Receive data. const AppDataUnit* adu; adu = s.getData(0); // get data with initial -0- timestamp. if ( adu != NULL ) // do something with adu. // adu->getType() provides the payload type. // adu->getData() provides a const uint8 pointer to a data buffer. // adu->getSize() provides the number of octets in the buffer. // see other methods in the class AppDataUnit, such as getSource().  File: ccrtp.info, Node: Using ccRTP, Next: Specialized Payload Formats, Prev: ccRTP Overview, Up: Top 4 Using ccRTP ************* When using ccRTP, both sending and receiving of data transported over RTP sessions is done through reception and transmission queues handled by the RTP stack. In the most common case, a separate execution thread for each RTP session handles the queues. This case is the threading model that we will generally assume throughout this document. Note however that ccRTP supports other threading models, particularly ccRTP supports the use of a single execution thread to serve a set of RTP sessions. It is also possible to not associate any separate thread with any RTP session, manually calling the main data and control service methods from whatever other thread. The basic idea for packet reception with ccRTP is that the application does not directly read packets from sockets but gets them from a reception queue. The stack is responsible for inserting received packets in the reception queue and handling this queue. In general, a packet reception and insertion in the reception queue does not occur at the same time the application gets it from the queue. Conversely, the basic idea for packet transmission with ccRTP is that packets are not directly written to sockets but inserted in a transmission queue handled by the stack. In general, packet insertion and transmission occur at different times, though it is not necessary. In order to use ccRTP, you must include the main header (`#include '. Two additional headers are provided by ccRTP: ``#include '' Classes for RTP extensions which are not mature yet. You must also link in the library, currently `ccrtp1'. As presented in the last examples, before starting to send or receive data, RTP sessions must be created, the payload format to use must be set and the stack must be signaled to start running. The following sections describe the use of ccRTP during the different phases of RTP sessions and RTP applications in general. * Menu: * RTP Sessions:: Using ccRTP to establish RTP sessions. * Payload Types and Formats:: Payload types and formats. * Participants:: Participants and sources of synchronization. * RTP Packets Extensions:: Extensions to RTP data packets handling. * RTCP Packets Extensions:: Extensions to RTCP packets handling. * Handling Events:: Table of ccRTP plug-ins to react to events.  File: ccrtp.info, Node: RTP Sessions, Next: Payload Types and Formats, Up: Using ccRTP 4.1 RTP Sessions ================ This section discusses the use of `RTPSession' objects. Some other classes and concepts are also used, these are just briefly presented here; deeper explanations are provided in next sections. * Menu: * Initiating Sessions:: RTP sessions initialization with ccRTP. * Sending Data:: Sending RTP data packets. * Receiving Data:: Receiving RTP data packets. * Closing Sessions:: Extensions to RTP data packets handling. * Types of Sessions:: Choosing a threading and socket model.  File: ccrtp.info, Node: Initiating Sessions, Next: Sending Data, Up: RTP Sessions 4.1.1 Initiating Sessions ------------------------- Initiating RTP sessions with ccRTP involves the construction of an object of the class `RTPSession' and calling some optional initialization methods. `RTPSession' constructors take two mandatory arguments: local network address and local transport port (where incoming packets are expected). There are two constructors, one of them takes a host address as first parameter, while the other takes a multicast address. In the latter case, the application will join to a multicast group. General purpose RTP stacks of ccRTP, such as `RTPSession' objects, must be signaled to start execution. This is done calling the `startRunning()' method. Note there is also a `enableStack()' method, this only activates the stack but does not start the execution of the stack thread. After the steps above, the application can receive data, but will not transmit to any destination. This and other session parameters can be set as follows: * Add destinations: calling the method `addDestination'. * Set payload format. Method `setPayloadFormat'. By default, the static payload type 0 is assumed (PCMU format at 8Khz). * Set local SDES Items. For common applications, the CNAME item value is automatically guessed as user@host. Other items have no default value and are not sent in RTCP packets unless a value is specified by the application. For those items that should be sent in RTCP packets along with the mandatory CNAME, its values can be set calling the `setSDESItem' and `setPRIVPrefix' methods over the object returned by the `defaultApplication' global function. * Enable padding of data packets. Calling setPadding(uint8) on outgoing data queues enables transparent padding of data packets to a multiple of the padding maximum length specified. By default, padding is off (maximum length of padding is 0). * setting addresses: * Set session bandwidth calling the `setSessionBandwidth' method of the session object. If not called, a default bandwidth of 64Kbps is assumed, and 5% of this bandwidth is used for RTCP. This percentage can be changed through the setControlBandwidth method.  File: ccrtp.info, Node: Sending Data, Next: Receiving Data, Prev: Initiating Sessions, Up: RTP Sessions 4.1.2 Sending Data ------------------ Data packets are sent through the method `putData', that takes as first parameter the RTP timestamp for the data specified as second parameter. ccRTP handles the random offset for the RTP timestamp internally, so the timestamp value that corresponds to the session creation time is 0. By default, the marker bit of the sent packets is not set. Its value for the next packet (the one that will convey the data provided in the next call to `putData') can be set through the `setMark' method, which takes a boolean as argument. ccRTP also supports fragmenting data blocks into several RTP packets. The `setMaxSendSegmentSize' method can be used to request that no RTP packet be transmitted with a payload length greater than the value specified through `setMaxSendSegmentSize'. The default value of this parameter can be retrieved via `getDefaultMaxSendSegmentSize', which currently should return 65536. When data blocks greater than the maximum segment size are provided through `putData', two or more packet will be inserted in the outgoing packet queue. All these packets but the last one will have length equal to the maximum segment size, whereas the last one's size will be lower or equal to the maximum segment size.  File: ccrtp.info, Node: Receiving Data, Next: Closing Sessions, Prev: Sending Data, Up: RTP Sessions 4.1.3 Receiving Data -------------------- Received data is retrieved from the incoming packet queue through the `getData' method, which, given a timestamp and an optional source of synchronization. This method returns a pointer to an `AppDataUnit' object as opposed to a pointer to a memory block. In ccRTP application data units are represented through objects of the `AppDataUnit' class, that provides access to the synchronization source of the data and other related properties. The incoming packet queue takes care of functions such as packet reordering or filtering out duplicate packets. You can guess if there are packets in the reception queue calling `isWaiting'. Both `getData' and `isWaiting' take an optional parameter which selects a particular synchronization source of data units. If not specified, data units are returned regardless of its source.  File: ccrtp.info, Node: Closing Sessions, Next: Types of Sessions, Prev: Receiving Data, Up: RTP Sessions 4.1.4 Closing Sessions ---------------------- RTP sessions can be closed deleting or destroying `RTPSession' objects. The stack sends a BYE packet to every destination when the destructor of sessions is called. It is also possible to explicitly send a BYE packet through the dispatchBYE method, which takes the leaving reason string as argument. Note that dispatchBYE will honor a number of rules for sending BYE packets specified in the RTP standard: a BYE packet is not sent if no RTP/RTCP packet was sent, and BYE floods avoiding mechanisms are employed. Note that when a BYE RTCP packet is received from a remote participant, the virtual `onGotGoodbye' will be called.  File: ccrtp.info, Node: Types of Sessions, Prev: Closing Sessions, Up: RTP Sessions 4.1.5 Types of Sessions ----------------------- _TODO:_ explain how to instantiate templates depending on the threading model and the number of sockets to use. Also symmetric channels/sessions. Describe what's a channel and a session.  File: ccrtp.info, Node: Payload Types and Formats, Next: Participants, Prev: RTP Sessions, Up: Using ccRTP 4.2 Payload Types and Formats ============================= In the context of RTP, an RTP payload type is a 7-bit numeric identifier that identifies a payload format. For payload types, GNU ccRTP defines the integer type `PayloadType'. ccRTP also defines The enumerated type `StaticPayloadType', as the enumeration of the RTP Payload Types statically assigned for standard audio and video formats. These codes were initially specified in `RFC 1890, "RTP Profile for Audio and Video Conferences with Minimal Control" (AVP profile)', superseded by `RFC 3550', and are registered as MIME types in `RFC 3555'. Codes below 96 may be assigned statically, although the default bindings for many of them are already reserverd. Codes in the range 96-127 are assigned dinamically by means outside of the RTP profile or protocol specification. See the "RTP Parameters" list at IANA `http://www.iana.org/assignments/rtp-parameters'. Note however that registering static payload types is now considered a deprecated practice in favor of dynamic payload type negotiation. The properties of a payload format that, as an RTP stack, ccRTP takes into account are the payload type (numeric identifier) and the RTP clock rate. Other properties, such as MIME type, number of audio channels, "ptime" and "maxptime" are not considered. These are only of interest for higher level protocols, such as SDP and H.245. GNU ccRTP defines a hierarchy of payload format classes. Its root is `PayloadFormat', which is a base class for `StaticPayloadFormat' and `DynamicPayloadFormat'. Static payload format objects are built from a static payload code. These are defined in the enumerated type `StaticPayloadType'. The following example constructs a `StaticPayloadFormat' object corresponding to the payload type 0 (statically bounded to PCMA in `RFC 3551'): StaticPayloadType pt = sptPCMU; StaticPayloadFormat* spf = new StaticPayloadFormat(pt); Of course, we could have said: StaticPayloadFormat* spf = new StaticPayloadFormat(sptPCMA); StaticPayloadFormat objects build like the ones above hold the necessary parameters so that the RTP stack can handle incoming and outgoing packets. Regarding dynamic payload formats, a call to `DynamicPayloadFormat::DynamicPayloadFormat(100,90000)' like the following: DynamicPayloadFormat* dpf = new DynamicPayloadFormat(100,90000); Will construct a dynamic payload format object that ties together the '100' payload type numeric identifier and an RTP clock rate of 90 Khz. Note that the numeric identifier does not have to be in the dynamic range. The static payload types are default bindings and MAY be overriden, thus, DynamicPayloadFormat(0,90000) is a valid construct provided 0 has been established as the payload type through a previous negotiation process(1). Whether and how the payload has been negotiated is outside of the scope of RTP and ccRTP, so applications must choose between `StaticPayloadFormat' and `DynamicPayloadFormat' accordingly to their multimedia session control mechanisms. ---------- Footnotes ---------- (1) Despite the fact that RFC 3551 defines a static binding of the 0 code to mu-law PCM at 8Khz.  File: ccrtp.info, Node: Participants, Next: RTP Packets Extensions, Prev: Payload Types and Formats, Up: Using ccRTP 4.3 Participants And Sources of Synchronization =============================================== In GNU ccRTP, there are classes that represent RTP applications (`RTPApplication'), participants (`Participant'), synchronizacion sources (`SyncSource') and RTP sessions (`RTPSession'). The relations among these entities are shown in the following diagram: --------------- --------------------| Participant |-------------------- | 0:n --------------- 0:1 | | 1 1:n | ------------------ ---------------- | RTPApplication | | SyncSource | ------------------ ---------------- | 1 0:n | | --------------- | --------------------| RTPSession |-------------------- 0:n --------------- 1 An RTP application establishes a space of CNAME identifiers, whereas an RTP session establishes a space of SSRC identifiers. For each source of synchronization seen in an RTP session, a `SyncSource' object identified by a SSRC numeric identifier is created. Thus, at the beginning of an RTP session there are no `SyncSource' objects related. Note that, if the local source sends packets to itself during an RTP session, a `SyncSource' object will be created for it. The list of sources of synchronization identified in an RTP session can be retrived through STL-like iterators of type `RTPSession::SyncSourcesIterator', as shown in the following example. // rx is an RTPSession object RTPSession::SyncSourcesIterator it; for (it = rx.begin() ; it != rx.end(); it++) { const SyncSource &s = *it; cout << s.getID(); if ( s.isSender() ) cout << "is an active sender"; cout << endl; } Note `RTPSession::SyncSourcesIterator' is a const iterator. When using RTCP, it is possible to associate several synchronization source objects to a participant in the multimedia session, which is represented through the association between `Participant' and `SyncSource' objects. The participant object linked to a source of synchronization can be retrieved through the `SyncSource::getParticipant()' method, as the following examples shows: // s is a source of synchronization object (SyncSource) Participant *p = s.getParticipant(); cerr << p->getSDESItem(SDESItemTypeCNAME) << endl; When RTCP is not being used or the CNAME identifier corresponding to a synchronization source has not been received yet, the participant associated with a synchronization source is not known. In these cases, the method `SyncSource::getParticipant()' will return a NULL pointer. On the contrary, a participant is always related to a synchronization source at least. It can also be related to more than one synchronization source (for instance, when a participant in a videoconference sends two video streams from two different chameras). Note that, if the local source sends data and control packets to itself, a `Participant' object will be created for it. Thus, the `SyncSource::getParticipant' provides a facility for inter-media synchronization. The association of RTP sessions and participants with `RTPApplication' objects makes it possible to implement several "RTP applications" in the same application or process, each one having a separate CNAME space. By default, all RTP sessions are associated to an RTP application provided by the global method `defaultApplication()'. The local CNAME for the default application is guessed from the user and machine name, as specified in `RFC 3550'. However, other applications may be created through the constructor `RTPApplication::RTPApplication(const std::string& cname)'. RTP sessions are associated with applications other than the default via an optional constructor parameter. Similarly to the list of synchronization sources, the list of participants in a session can be retrieved using iterators of type `RTPApplication::ParticipantsIterator', see the following example, which shows the list of CNAMEs of the participants in the default application: RTPApplication &app = defaultApplication(); RTPApplication::ParticipantsIterator ai; for ( ai = app.begin(); ai != app.end(); ai++ ) { const Participant &p = *ai; cerr << p.getSDESItem(SDESItemTypeCNAME) << endl; } Note `RTPApplication::ParticipantsIterator' is a const iterator. _TODO: SyncSource states_.  File: ccrtp.info, Node: RTP Packets Extensions, Next: RTCP Packets Extensions, Prev: Participants, Up: Using ccRTP 4.4 RTP Packets Extensions ========================== _TODO._ Describe `RTPPacket', `IncomingRTPPkt' and `OutgoingRTPPkt' classes. *Note RTP Packets Arrival::, for a discussion of event handling virtuals that allow for specialized processing of data packets.  File: ccrtp.info, Node: RTCP Packets Extensions, Next: Handling Events, Prev: RTP Packets Extensions, Up: Using ccRTP 4.5 RTCP Packets Extensions =========================== *Note RTCP Packets Arrival::, for a discussion of event handling virtuals that allow for specialized processing of control packets.  File: ccrtp.info, Node: Handling Events, Prev: RTCP Packets Extensions, Up: Using ccRTP 4.6 Handling Events =================== There are a number of events that may require special response from the application. ccRTP defines plug-ins to handle these events. * Menu: * RTP Packets Arrival:: Filtering and extending RTP packets parsing. * RTCP Packets Arrival:: Filtering and extending RTCP packets parsing. * Synchronization Source States:: Handling state transitions. * SSRC Collisions:: Handling SSRC identifier collisions. * RTP Packets Expiration:: Outgoing and incoming RTP packets expiration.  File: ccrtp.info, Node: RTP Packets Arrival, Next: RTCP Packets Arrival, Up: Handling Events 4.6.1 RTP Packets Arrival ------------------------- `onRTPPacketRecv' is the virtual method that may be redefined in any subclass of `IncomingDataQueue', particularly in subclasses of `RTPSession'. It takes an `IncomingRTPPkt' object as argument and returns a boolean indicating whether the packet should be inserted in the reception queue.  File: ccrtp.info, Node: RTP Packets Expiration, Prev: SSRC Collisions, Up: Handling Events 4.6.2 RTP Packets Expiration ---------------------------- `onExpireSend' and `onExpireRecv' `end2EndDelayed'  File: ccrtp.info, Node: RTCP Packets Arrival, Next: Synchronization Source States, Prev: RTP Packets Arrival, Up: Handling Events 4.6.3 RTCP Packets Arrival -------------------------- Incoming RTCP packets are automatically handled by ccRTP. However, this does not mean you can't track the reception of RTCP packets. * `onGotSR' * `onGotRR' * `onGotSDESChunk' * `onGotAPP' * `onGotRRSRExtension' Note that this events correspond to RTCP packets, not RTCP compound packets, and probably the reception of a compound packet will trigger more than one of these events.  File: ccrtp.info, Node: Synchronization Source States, Next: SSRC Collisions, Prev: RTCP Packets Arrival, Up: Handling Events 4.6.4 Synchronization Source States ----------------------------------- `onNewSyncSource'.  File: ccrtp.info, Node: SSRC Collisions, Next: RTP Packets Expiration, Prev: Synchronization Source States, Up: Handling Events 4.6.5 SSRC Collisions --------------------- `onSSRCCollision'.  File: ccrtp.info, Node: Specialized Payload Formats, Next: Standards Tracking, Prev: Using ccRTP, Up: Top 5 Specialized Payload Formats ***************************** _TODO:_ finish 2833bis and CN. _TODO:_ comment H.261 specific RTCP packets: FIR and NACK.  File: ccrtp.info, Node: Standards Tracking, Next: Upgrading, Prev: Specialized Payload Formats, Up: Top 6 Standards Tracking ******************** _TODO: explain what is done/being done/planned_. * `RTP: A Transport Protocol for Real-Time Applications (RFC 3550, which supersedes RFC 1889)'. * `RTP Profile for Audio and Video Conferences with Minimal Control (RFC 3551, which supersedes RFC 1890)'. * `MIME Type Registration of RTP Payload Formats (RFC 3555)'. * `IANA RTP Parameters'. * `RTP Payload Format for H.261 Video Streams (RFC 2032)'. Defines H.261 specific FIR and NACK RTCP packets. Not yet implemented: * `The Secure Real-time Transport Protocol'. SRTP provile. * `Extended RTP Profile for RTCP-based Feedback (RTP/AVPF)'. * `Extended RTP Profile for RTCP-based Feedback (RTP/AVPF)'. * `Extended Secure RTP Profile for RTCP-based Feedback (RTP/SAVPF)'.  File: ccrtp.info, Node: Upgrading, Next: ccRTP Internals, Prev: Standards Tracking, Up: Top 7 Upgrading *********** This chapter outlines the main steps required to upgrade applications written for old releases of ccRTP (0.6.x, 0.7.x and 0.9.x series) to the 1.0 series. It is written mostly as a recipe of replacements for old constructs. Replace `#include ' with `#include '(1). Changes that have to do more with Common C++ 2 than with ccRTP: `exit(int)' Replace with exit() `Thread::Terminate()' Replace with Thread::terminate() `ccxx_sleep(timeout_t)' Replace with sleep(timeout_t). `Thread::Run()' Replace with Thread::run() Changes required by ccRTP itself: `RTPSource' Now `SyncSource', and is a somewhat different concept. For instance, calls to RTPSource::getID() must be replaced with calls to SyncSource::getID(), which in most cases will not imply any change to this part of the code. `RTPQueue::getLocalInfo()->getID()' Replace with `RTPQueueBase::getLocalSSRC()' `RTPQueue::getCNAME()' Replace with `defaultApplication().getSDESItem(SDESItemTypeSDES)'. `RTPQueue::getPacket()' `getPacket()' has been removed and now there is only a `getData()' method in the RTP queues. `RTPQueue::setTimeout()' Replace calls to RTPQueue::setTimeout(microtimeout_t) with calls to OutgoingDataQueue(microtimeout_t), whose purpose and working is exactly the same. `RTPQueue::putPacket()' `putPacket()' has been removed and now there is only a `putData()' method in the RTP queues. Note also that now the payload type is not specified for each outgoing RTP data block, instead use RTPQueueBase::setPayloadFormat each time the payload type changes. `PayloadType' The definition of payload types has deeply changed in order to allow all standard uses of dynamic payload negotiation. Refer to *note Payload Types and Formats::, for an explanation of the new payload types and formats related classes. For example, `RTP_PAYLOAD_PCMU' must be replaced with something like `StaticPayloadFormat pcmu(sptPCMU)', where `pcmu' is the name of a static payload object that binds an statically assigned `PayloadType' (2). to its corresponding RTP clock rate(3). `RTPSocket::Connect' The call connect has been removed. Now, in order to send packets to a destination `OutgoingDataQueue::addDestination' must be used. It allows for setting more than one destination. Any destination can actually be added more than one time with addDestination, which can be used a simple trick to perform redundant transmission: each packet -both RTP and RTCP- will be transmitted to the destination as many times as it has been added to the list of destinations through calling addDestination. `RTPQueue::getCurrentRate' Replace with `RTPQueueBase::getCurrentRTPClockRate()'. `RTPSocket::Start' Replace with `RTPSession::startRunning'. `RTPQueue::gotHello' Replace with `QueueRTCPManager::onNewSyncSource'. `RTPQueue::gotGoodbye' Replace with `QueueRTCPManager::onGotGoodbye'. ---------- Footnotes ---------- (1) Note that unfortunately ccRTP 1.0pre0 used `#include : Payload Types and Formats. (line 52) * DynamicPayloadFormat: ccRTP Overview. (line 59) * DynamicPayloadType: Upgrading. (line 58) * IncomingRTPPkt: RTP Packets Extensions. (line 6) * OutgoingRTPPkt: RTP Packets Extensions. (line 6) * Participant <1>: Participants. (line 6) * Participant: ccRTP Overview. (line 59) * PayloadFormat: Payload Types and Formats. (line 25) * PayloadType: Payload Types and Formats. (line 6) * RTPApplication: Participants. (line 6) * RTPPacket: RTP Packets Extensions. (line 6) * RTPSession <1>: Participants. (line 6) * RTPSession <2>: Initiating Sessions. (line 6) * RTPSession: ccRTP Overview. (line 47) * RTPSource: Upgrading. (line 31) * StaticPayloadFormat <1>: Payload Types and Formats. (line 35) * StaticPayloadFormat: ccRTP Overview. (line 59) * StaticPayloadType <1>: Upgrading. (line 58) * StaticPayloadType <2>: Payload Types and Formats. (line 6) * StaticPayloadType: ccRTP Overview. (line 59) * SyncSource <1>: Upgrading. (line 31) * SyncSource <2>: Participants. (line 6) * SyncSource: ccRTP Overview. (line 59)  File: ccrtp.info, Node: Method and Function Index, Next: Concept Index, Prev: Class and Data Type Index, Up: Top Method and Function Index ************************* [index] * Menu: * ccxx_sleep: Upgrading. (line 22) * defaultApplication <1>: Upgrading. (line 40) * defaultApplication <2>: Participants. (line 73) * defaultApplication: Initiating Sessions. (line 30) * DynamicPayloadFormat::DynamicPayloadFormat: Payload Types and Formats. (line 52) * exit: Upgrading. (line 16) * getMRSenderInfo: ccRTP Overview. (line 47) * IncomingDataQueue::checkSSRCInIncomingRTPPkt: A.1. (line 6) * IncomingDataQueue::getData <1>: Upgrading. (line 43) * IncomingDataQueue::getData: Receiving Data. (line 6) * IncomingDataQueue::isWaiting: Receiving Data. (line 17) * IncomingDataQueue::onExpireRecv: RTP Packets Expiration. (line 6) * IncomingDataQueue::onNewSyncSource: Synchronization Source States. (line 6) * IncomingDataQueue::onRTPPacketRecv: RTP Packets Arrival. (line 6) * IncomingDataQueue::recordReception: A.8. (line 6) * IncomingDataQueue::takeInDataPacket: A.7. (line 35) * MembershipBookkeeping::SyncSourceLink::computeStats: A.3. (line 6) * onGotSR: ccRTP Overview. (line 47) * OutgoingDataQueue::addDestination: Initiating Sessions. (line 25) * OutgoingDataQueue::dispatchDataPacket: A.7. (line 38) * OutgoingDataQueue::onExpireSend: RTP Packets Expiration. (line 6) * OutgoingDataQueue::putData <1>: Upgrading. (line 52) * OutgoingDataQueue::putData: Sending Data. (line 6) * OutgoingDataQueue::setMark: Sending Data. (line 11) * OutgoingDataQueue::setPadding: Initiating Sessions. (line 38) * OutgoingDataQueue::setSchedulingTimeout: Upgrading. (line 47) * OutgoingDataQueueBase::getDefaultMaxSendSegmentSize: Sending Data. (line 16) * OutgoingDataQueueBase::setMaxSendSegmentSize: Sending Data. (line 16) * QueueRTCPMaanger::setControlBandwidth: Initiating Sessions. (line 45) * QueueRTCPManager::checkSSRCInRTCPPkt: A.1. (line 6) * QueueRTCPManager::dispatchBYE: A.7. (line 26) * QueueRTCPManager::dispatchControlPacket: A.7. (line 23) * QueueRTCPManager::end2EndDelayed: RTP Packets Expiration. (line 8) * QueueRTCPManager::onGotAPP: RTCP Packets Arrival. (line 15) * QueueRTCPManager::onGotGoodbye: Upgrading. (line 88) * QueueRTCPManager::onGotRR: RTCP Packets Arrival. (line 11) * QueueRTCPManager::onGotRRSRExtension: RTCP Packets Arrival. (line 17) * QueueRTCPManager::onGotSDES: A.5. (line 6) * QueueRTCPManager::onGotSDESChunk: RTCP Packets Arrival. (line 13) * QueueRTCPManager::onGotSR: RTCP Packets Arrival. (line 9) * QueueRTCPManager::onNewSyncSource: Upgrading. (line 85) * QueueRTCPManager::onSSRCCollision: SSRC Collisions. (line 6) * QueueRTCPManager::packSDES: A.4. (line 6) * RTCPCompoundHandler::checkCompountRTCPHeader: A.2. (line 6) * RTPApplication: Participants. (line 73) * RTPApplication::getSDESItem: Upgrading. (line 40) * RTPApplication::ParticipantsIterator: Participants. (line 86) * RTPApplication::setPRIVPrefix: Initiating Sessions. (line 30) * RTPPApplication::setSDESItem: Initiating Sessions. (line 30) * RTPQueue::getCNAME: Upgrading. (line 40) * RTPQueue::getCurrentRate: Upgrading. (line 79) * RTPQueue::getLocalInfo: Upgrading. (line 37) * RTPQueue::getLocalSSRC: Upgrading. (line 37) * RTPQueue::getPacket: Upgrading. (line 43) * RTPQueue::gotGoodbye: Upgrading. (line 88) * RTPQueue::gotHello: Upgrading. (line 85) * RTPQueue::putPacket: Upgrading. (line 52) * RTPQueue::setTimeout: Upgrading. (line 47) * RTPQueueBase::getCurrentRTPClockRate: Upgrading. (line 79) * RTPQueueBase::setPayloadFormat <1>: Upgrading. (line 52) * RTPQueueBase::setPayloadFormat: Initiating Sessions. (line 27) * RTPSession::enableStack: Initiating Sessions. (line 15) * RTPSession::startRunning <1>: Upgrading. (line 82) * RTPSession::startRunning: Initiating Sessions. (line 15) * RTPSession::SyncSourcesIterator: Participants. (line 46) * RTPSocket::Start: Upgrading. (line 82) * StaticPayloadFormat::StaticPayloadFormat: Payload Types and Formats. (line 41) * SyncSource::getParticipant(): Participants. (line 48) * Thread::sleep: Upgrading. (line 22) * Thread::terminate: Upgrading. (line 19)  File: ccrtp.info, Node: Concept Index, Prev: Method and Function Index, Up: Top Concept Index ************* [index] * Menu: * /dev/urandom <1>: A.6. (line 6) * /dev/urandom: ccRTP Overview. (line 43) * A.1: A.1. (line 6) * A.2: A.2. (line 6) * A.3: A.3. (line 6) * A.4: A.4. (line 6) * A.5: A.5. (line 6) * A.6: A.6. (line 6) * A.7: A.7. (line 6) * A.8: A.8. (line 6) * Algoritms in the Standard: Algorithms in the Standard. (line 6) * APP: RTCP Packets Arrival. (line 15) * Audio/Video Working Group: Introduction. (line 6) * AVPF: Standards Tracking. (line 26) * C++: Introduction. (line 6) * ccRTP Internals: ccRTP Internals. (line 6) * ccRTP Overview: ccRTP Overview. (line 6) * class framework: Introduction. (line 6) * clock rate: Payload Types and Formats. (line 25) * Closing Sessions: Closing Sessions. (line 6) * CNAME <1>: Participants. (line 23) * CNAME: Initiating Sessions. (line 30) * collision: SSRC Collisions. (line 6) * Collisions and Loops: Collisions and Loops. (line 6) * Common C++: Introduction. (line 6) * const iterator: Participants. (line 46) * default bandwidth: Initiating Sessions. (line 45) * default value <1>: Participants. (line 73) * default value <2>: Sending Data. (line 11) * default value: Initiating Sessions. (line 27) * demo program: ccRTP Overview. (line 47) * destination: Upgrading. (line 68) * distribution: Distribution. (line 6) * duplicate packets: Receiving Data. (line 14) * FDL, GNU Free Documentation License: GNU Free Documentation License. (line 6) * free software: Distribution. (line 6) * Future, Future Work: Future Work. (line 6) * GNU ccRTP Linking Exception: GNU ccRTP Linking Exception. (line 6) * GNU FDL: Distribution. (line 6) * GNU GPL: Distribution. (line 6) * H.245: Payload Types and Formats. (line 25) * H.323: Introduction. (line 38) * Handling Events: Handling Events. (line 6) * header check <1>: A.2. (line 6) * header check: ccRTP Overview. (line 34) * header validity <1>: A.2. (line 6) * header validity: ccRTP Overview. (line 34) * IANA: Payload Types and Formats. (line 20) * IETF <1>: Standards Tracking. (line 6) * IETF: Introduction. (line 6) * IETF standards: Standards Tracking. (line 6) * incoming queue: Using ccRTP. (line 17) * Initiating Sessions: Initiating Sessions. (line 6) * interarrival jitter: A.8. (line 6) * Internals Overview: Internals Overview. (line 6) * Internet Ingeneering Task Force: Introduction. (line 6) * Introduction: Introduction. (line 6) * iterator: Participants. (line 46) * jitter: A.8. (line 6) * join: Initiating Sessions. (line 6) * linking exception: Distribution. (line 6) * loop detection: ccRTP Overview. (line 39) * marker bit: Sending Data. (line 11) * MD5 <1>: A.6. (line 6) * MD5 <2>: ccRTP Overview. (line 43) * MD5: Introduction. (line 19) * MIME: Payload Types and Formats. (line 25) * multicast: Initiating Sessions. (line 6) * outgoing queue: Using ccRTP. (line 24) * packet queue <1>: Using ccRTP. (line 6) * packet queue: ccRTP Overview. (line 10) * padding: Initiating Sessions. (line 38) * participant: Participants. (line 48) * Participant: Participants. (line 6) * Payload Formats: Payload Types and Formats. (line 6) * payload type: Upgrading. (line 52) * Payload Types: Payload Types and Formats. (line 6) * PCMU: Initiating Sessions. (line 27) * philosophy: Distribution. (line 6) * PRIV: Initiating Sessions. (line 30) * profile: Standards Tracking. (line 24) * Random numbers <1>: A.6. (line 6) * Random numbers: ccRTP Overview. (line 43) * Receiving Data: Receiving Data. (line 6) * reception queue: Using ccRTP. (line 17) * reconsideration: ccRTP Overview. (line 41) * redundancy: Upgrading. (line 68) * Related work: Related Work. (line 6) * reordering: Receiving Data. (line 14) * reverse reconsideration: ccRTP Overview. (line 41) * RR: RTCP Packets Arrival. (line 11) * RTCP APP: RTCP Packets Arrival. (line 15) * RTCP bandwidth: Initiating Sessions. (line 45) * RTCP compound packets: Initiating Sessions. (line 30) * RTCP header: A.2. (line 6) * RTCP Packet Arrival: RTCP Packets Arrival. (line 6) * RTCP packets: Initiating Sessions. (line 30) * RTCP Packets Extensions: RTCP Packets Extensions. (line 6) * RTCP RR: RTCP Packets Arrival. (line 11) * RTCP SDES: RTCP Packets Arrival. (line 13) * RTCP SR <1>: RTCP Packets Arrival. (line 9) * RTCP SR: ccRTP Overview. (line 47) * RTCP-based feedback: Standards Tracking. (line 26) * RTP clock rate: Payload Types and Formats. (line 25) * RTP Packet Arrival: RTP Packets Arrival. (line 6) * RTP Packets Expiration: RTP Packets Expiration. (line 6) * RTP Packets Extensions: RTP Packets Extensions. (line 6) * RTP parameters: Payload Types and Formats. (line 20) * RTP Sessions: RTP Sessions. (line 6) * RTP timestamp offset: Sending Data. (line 6) * rtphello: ccRTP Overview. (line 47) * rtplisten: ccRTP Overview. (line 47) * RTSP: Introduction. (line 38) * SAVPF: Standards Tracking. (line 30) * SDES: RTCP Packets Arrival. (line 13) * SDES item: Initiating Sessions. (line 30) * SDP: Payload Types and Formats. (line 25) * Secure RTP: Standards Tracking. (line 24) * segment size: Sending Data. (line 16) * Sending Data: Sending Data. (line 6) * Session control: Payload Types and Formats. (line 66) * Session Description Protocol: Payload Types and Formats. (line 25) * signalization: Introduction. (line 38) * Simple Receiver: Simple Receiver. (line 6) * Simple Transmitter: Simple Transmitter. (line 6) * SIP: Introduction. (line 38) * sockets: Introduction. (line 19) * Source of Synchronization: Participants. (line 6) * Specialized Payload Formats: Specialized Payload Formats. (line 6) * SR <1>: RTCP Packets Arrival. (line 9) * SR: ccRTP Overview. (line 47) * SRE Extension: RTCP Packets Arrival. (line 17) * SRTP: Standards Tracking. (line 24) * SSRC collision: SSRC Collisions. (line 6) * SSRC Collision: SSRC Collisions. (line 6) * SSRC collision: ccRTP Overview. (line 39) * Standards tracking: Standards Tracking. (line 6) * static payload type: Initiating Sessions. (line 27) * synchronization: Introduction. (line 19) * Synchronization Source States: Synchronization Source States. (line 6) * system services: Introduction. (line 19) * thread: Using ccRTP. (line 6) * threading: Introduction. (line 19) * timer reconsideration: ccRTP Overview. (line 41) * timestamp clock rate: Payload Types and Formats. (line 25) * timestamp offset: Sending Data. (line 6) * transmission queue: Using ccRTP. (line 24) * Types of Sessions: Types of Sessions. (line 6) * Upgrading: Upgrading. (line 6) * Using ccRTP: Using ccRTP. 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JAVADOC_AUTOBRIEF = YES # if the INHERIT_DOCS tag is set to YES (the default) then an undocumented # member inherits the documentation from any documented member that it # reimplements. INHERIT_DOCS = NO # if the INLINE_INFO tag is set to YES (the default) then a tag [inline] # is inserted in the documentation for inline members. INLINE_INFO = YES # the TAB_SIZE tag can be used to set the number of spaces in a tab. # Doxygen uses this value to replace tabs by spaces in code fragments. TAB_SIZE = 8 # The GENERATE_TODOLIST tag can be used to enable (YES) or # disable (NO) the todo list. This list is created by putting \todo # commands in the documentation. GENERATE_TODOLIST = NO # If the sources in your project are distributed over multiple directories # then setting the SHOW_DIRECTORIES tag to YES will show the directory # hierarchy in the documentation. SHOW_DIRECTORIES = NO #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- # The INPUT tag can be used to specify the files and/or directories that contain # documented source files. You may enter file names like "myfile.cpp" or # directories like "/usr/src/myproject". Separate the files or directories # with spaces. INPUT = ../src ../src/ccrtp # If the value of the INPUT tag contains directories, you can use the # FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank all files are included. FILE_PATTERNS = *.h # The RECURSIVE tag can be used to turn specify whether or not subdirectories # should be searched for input files as well. Possible values are YES and NO. # If left blank NO is used. RECURSIVE = NO # The EXCLUDE tag can be used to specify files and/or directories that should # excluded from the INPUT source files. This way you can easily exclude a # subdirectory from a directory tree whose root is specified with the INPUT tag. EXCLUDE = # If the value of the INPUT tag contains directories, you can use the # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude # certain files from those directories. EXCLUDE_PATTERNS = config.h macros.h namespace.h # The EXAMPLE_PATH tag can be used to specify one or more files or # directories that contain example code fragments that are included (see # the \include command). EXAMPLE_PATH = ../demo # If the value of the EXAMPLE_PATH tag contains directories, you can use the # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank all files are included. EXAMPLE_PATTERNS = # The IMAGE_PATH tag can be used to specify one or more files or # directories that contain image that are included in the documentation (see # the \image command). IMAGE_PATH = # The INPUT_FILTER tag can be used to specify a program that doxygen should # invoke to filter for each input file. Doxygen will invoke the filter program # by executing (via popen()) the command , where # is the value of the INPUT_FILTER tag, and is the name of an # input file. Doxygen will then use the output that the filter program writes # to standard output. INPUT_FILTER = #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- # If the GENERATE_HTML tag is set to YES (the default) Doxygen will # generate HTML output GENERATE_HTML = YES # The HTML_OUTPUT tag is used to specify where the HTML docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `html' will be used as the default path. HTML_OUTPUT = # The HTML_HEADER tag can be used to specify a personal HTML header for # each generated HTML page. If it is left blank doxygen will generate a # standard header. HTML_HEADER = # The HTML_FOOTER tag can be used to specify a personal HTML footer for # each generated HTML page. If it is left blank doxygen will generate a # standard footer. HTML_FOOTER = # The HTML_STYLESHEET tag can be used to specify a user defined cascading # style sheet that is used by each HTML page. It can be used to # fine-tune the look of the HTML output. If the tag is left blank doxygen # will generate a default style sheet HTML_STYLESHEET = # If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, # files or namespaces will be aligned in HTML using tables. If set to # NO a bullet list will be used. HTML_ALIGN_MEMBERS = YES # If the GENERATE_HTMLHELP tag is set to YES, additional index files # will be generated that can be used as input for tools like the # Microsoft HTML help workshop to generate a compressed HTML help file (.chm) # of the generated HTML documentation. GENERATE_HTMLHELP = YES # If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index # of all compounds will be generated. Enable this if the project # contains a lot of classes, structs, unions or interfaces. ALPHABETICAL_INDEX = YES # If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then # the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns # in which this list will be split (can be a number in the range [1..20]) COLS_IN_ALPHA_INDEX = 5 #--------------------------------------------------------------------------- # configuration options related to the LaTeX output #--------------------------------------------------------------------------- # If the GENERATE_LATEX tag is set to YES (the default) Doxygen will # generate Latex output. GENERATE_LATEX = NO # The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `latex' will be used as the default path. LATEX_OUTPUT = # If the COMPACT_LATEX tag is set to YES Doxygen generates more compact # LaTeX documents. This may be useful for small projects and may help to # save some trees in general. COMPACT_LATEX = NO # The PAPER_TYPE tag can be used to set the paper type that is used # by the printer. Possible values are: a4, a4wide, letter, legal and # executive. If left blank a4wide will be used. PAPER_TYPE = a4wide # The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX # packages that should be included in the LaTeX output. EXTRA_PACKAGES = # The LATEX_HEADER tag can be used to specify a personal LaTeX header for # the generated latex document. The header should contain everything until # the first chapter. If it is left blank doxygen will generate a # standard header. Notice: only use this tag if you know what you are doing! LATEX_HEADER = # If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated # is prepared for conversion to pdf (using ps2pdf). The pdf file will # contain links (just like the HTML output) instead of page references # This makes the output suitable for online browsing using a pdf viewer. PDF_HYPERLINKS = NO #--------------------------------------------------------------------------- # configuration options related to the man page output #--------------------------------------------------------------------------- # If the GENERATE_MAN tag is set to YES (the default) Doxygen will # generate man pages GENERATE_MAN = YES # The MAN_OUTPUT tag is used to specify where the man pages will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `man' will be used as the default path. MAN_OUTPUT = # The MAN_EXTENSION tag determines the extension that is added to # the generated man pages (default is the subroutine's section .3) MAN_EXTENSION = .3 #--------------------------------------------------------------------------- # Configuration options related to the preprocessor #--------------------------------------------------------------------------- # If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will # evaluate all C-preprocessor directives found in the sources and include # files. ENABLE_PREPROCESSING = YES # If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro # names in the source code. If set to NO (the default) only conditional # compilation will be performed. MACRO_EXPANSION = YES # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files # in the INCLUDE_PATH (see below) will be search if a #include is found. SEARCH_INCLUDES = YES # The INCLUDE_PATH tag can be used to specify one or more directories that # contain include files that are not input files but should be processed by # the preprocessor. INCLUDE_PATH = . # The PREDEFINED tag can be used to specify one or more macro names that # are defined before the preprocessor is started (similar to the -D option of # gcc). The argument of the tag is a list of macros of the form: name # or name=definition (no spaces). If the definition and the = are # omitted =1 is assumed. PREDEFINED = # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES # then the macro expansion is limited to the macros specified with the # PREDEFINED tag. EXPAND_ONLY_PREDEF = NO #--------------------------------------------------------------------------- # Configuration options related to external references #--------------------------------------------------------------------------- # The TAGFILES tag can be used to specify one or more tagfiles. TAGFILES = # When a file name is specified after GENERATE_TAGFILE, doxygen will create # a tag file that is based on the input files it reads. GENERATE_TAGFILE = # If the ALLEXTERNALS tag is set to YES all external classes will be listed # in the class index. If set to NO only the inherited external classes # will be listed. ALLEXTERNALS = NO # The PERL_PATH should be the absolute path and name of the perl script # interpreter (i.e. the result of `which perl'). PERL_PATH = /usr/bin/perl #--------------------------------------------------------------------------- # Configuration options related to the search engine #--------------------------------------------------------------------------- # The SEARCHENGINE tag specifies whether or not a search engine should be # used. If set to NO the values of all tags below this one will be ignored. SEARCHENGINE = NO # The CGI_NAME tag should be the name of the CGI script that # starts the search engine (doxysearch) with the correct parameters. # A script with this name will be generated by doxygen. CGI_NAME = search.cgi # The CGI_URL tag should be the absolute URL to the directory where the # cgi binaries are located. See the documentation of your http daemon for # details. CGI_URL = # The DOC_URL tag should be the absolute URL to the directory where the # documentation is located. If left blank the absolute path to the # documentation, with file:// prepended to it, will be used. DOC_URL = # The DOC_ABSPATH tag should be the absolute path to the directory where the # documentation is located. If left blank the directory on the local machine # will be used. DOC_ABSPATH = # The BIN_ABSPATH tag must point to the directory where the doxysearch binary # is installed. BIN_ABSPATH = /usr/local/bin/ # The EXT_DOC_PATHS tag can be used to specify one or more paths to # documentation generated for other projects. This allows doxysearch to search # the documentation for these projects as well. EXT_DOC_PATHS = ccrtp-2.0.6/doc/fdl.texi0000664000175000017500000005100211767643350011774 00000000000000 @node GNU Free Documentation License @appendixsec GNU Free Documentation License @cindex FDL, GNU Free Documentation License @center Version 1.2, November 2002 @display Copyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. @end display @enumerate 0 @item PREAMBLE The purpose of this License is to make a manual, textbook, or other functional and useful document @dfn{free} in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others. This License is a kind of ``copyleft'', which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software. We have designed this License in order to use it for manuals for free software, because free software needs free documentation: a free program should come with manuals providing the same freedoms that the software does. But this License is not limited to software manuals; it can be used for any textual work, regardless of subject matter or whether it is published as a printed book. We recommend this License principally for works whose purpose is instruction or reference. @item APPLICABILITY AND DEFINITIONS This License applies to any manual or other work, in any medium, that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. Such a notice grants a world-wide, royalty-free license, unlimited in duration, to use that work under the conditions stated herein. The ``Document'', below, refers to any such manual or work. Any member of the public is a licensee, and is addressed as ``you''. You accept the license if you copy, modify or distribute the work in a way requiring permission under copyright law. A ``Modified Version'' of the Document means any work containing the Document or a portion of it, either copied verbatim, or with modifications and/or translated into another language. A ``Secondary Section'' is a named appendix or a front-matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document's overall subject (or to related matters) and contains nothing that could fall directly within that overall subject. (Thus, if the Document is in part a textbook of mathematics, a Secondary Section may not explain any mathematics.) The relationship could be a matter of historical connection with the subject or with related matters, or of legal, commercial, philosophical, ethical or political position regarding them. The ``Invariant Sections'' are certain Secondary Sections whose titles are designated, as being those of Invariant Sections, in the notice that says that the Document is released under this License. If a section does not fit the above definition of Secondary then it is not allowed to be designated as Invariant. The Document may contain zero Invariant Sections. If the Document does not identify any Invariant Sections then there are none. The ``Cover Texts'' are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says that the Document is released under this License. A Front-Cover Text may be at most 5 words, and a Back-Cover Text may be at most 25 words. A ``Transparent'' copy of the Document means a machine-readable copy, represented in a format whose specification is available to the general public, that is suitable for revising the document straightforwardly with generic text editors or (for images composed of pixels) generic paint programs or (for drawings) some widely available drawing editor, and that is suitable for input to text formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification by readers is not Transparent. An image format is not Transparent if used for any substantial amount of text. A copy that is not ``Transparent'' is called ``Opaque''. Examples of suitable formats for Transparent copies include plain @sc{ascii} without markup, Texinfo input format, La@TeX{} input format, @acronym{SGML} or @acronym{XML} using a publicly available @acronym{DTD}, and standard-conforming simple @acronym{HTML}, PostScript or @acronym{PDF} designed for human modification. Examples of transparent image formats include @acronym{PNG}, @acronym{XCF} and @acronym{JPG}. Opaque formats include proprietary formats that can be read and edited only by proprietary word processors, @acronym{SGML} or @acronym{XML} for which the @acronym{DTD} and/or processing tools are not generally available, and the machine-generated @acronym{HTML}, PostScript or @acronym{PDF} produced by some word processors for output purposes only. The ``Title Page'' means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the material this License requires to appear in the title page. For works in formats which do not have any title page as such, ``Title Page'' means the text near the most prominent appearance of the work's title, preceding the beginning of the body of the text. A section ``Entitled XYZ'' means a named subunit of the Document whose title either is precisely XYZ or contains XYZ in parentheses following text that translates XYZ in another language. (Here XYZ stands for a specific section name mentioned below, such as ``Acknowledgements'', ``Dedications'', ``Endorsements'', or ``History''.) To ``Preserve the Title'' of such a section when you modify the Document means that it remains a section ``Entitled XYZ'' according to this definition. The Document may include Warranty Disclaimers next to the notice which states that this License applies to the Document. These Warranty Disclaimers are considered to be included by reference in this License, but only as regards disclaiming warranties: any other implication that these Warranty Disclaimers may have is void and has no effect on the meaning of this License. @item VERBATIM COPYING You may copy and distribute the Document in any medium, either commercially or noncommercially, provided that this License, the copyright notices, and the license notice saying this License applies to the Document are reproduced in all copies, and that you add no other conditions whatsoever to those of this License. You may not use technical measures to obstruct or control the reading or further copying of the copies you make or distribute. However, you may accept compensation in exchange for copies. If you distribute a large enough number of copies you must also follow the conditions in section 3. You may also lend copies, under the same conditions stated above, and you may publicly display copies. @item COPYING IN QUANTITY If you publish printed copies (or copies in media that commonly have printed covers) of the Document, numbering more than 100, and the Document's license notice requires Cover Texts, you must enclose the copies in covers that carry, clearly and legibly, all these Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the back cover. Both covers must also clearly and legibly identify you as the publisher of these copies. The front cover must present the full title with all words of the title equally prominent and visible. You may add other material on the covers in addition. Copying with changes limited to the covers, as long as they preserve the title of the Document and satisfy these conditions, can be treated as verbatim copying in other respects. If the required texts for either cover are too voluminous to fit legibly, you should put the first ones listed (as many as fit reasonably) on the actual cover, and continue the rest onto adjacent pages. If you publish or distribute Opaque copies of the Document numbering more than 100, you must either include a machine-readable Transparent copy along with each Opaque copy, or state in or with each Opaque copy a computer-network location from which the general network-using public has access to download using public-standard network protocols a complete Transparent copy of the Document, free of added material. If you use the latter option, you must take reasonably prudent steps, when you begin distribution of Opaque copies in quantity, to ensure that this Transparent copy will remain thus accessible at the stated location until at least one year after the last time you distribute an Opaque copy (directly or through your agents or retailers) of that edition to the public. It is requested, but not required, that you contact the authors of the Document well before redistributing any large number of copies, to give them a chance to provide you with an updated version of the Document. @item MODIFICATIONS You may copy and distribute a Modified Version of the Document under the conditions of sections 2 and 3 above, provided that you release the Modified Version under precisely this License, with the Modified Version filling the role of the Document, thus licensing distribution and modification of the Modified Version to whoever possesses a copy of it. In addition, you must do these things in the Modified Version: @enumerate A @item Use in the Title Page (and on the covers, if any) a title distinct from that of the Document, and from those of previous versions (which should, if there were any, be listed in the History section of the Document). You may use the same title as a previous version if the original publisher of that version gives permission. @item List on the Title Page, as authors, one or more persons or entities responsible for authorship of the modifications in the Modified Version, together with at least five of the principal authors of the Document (all of its principal authors, if it has fewer than five), unless they release you from this requirement. @item State on the Title page the name of the publisher of the Modified Version, as the publisher. @item Preserve all the copyright notices of the Document. @item Add an appropriate copyright notice for your modifications adjacent to the other copyright notices. @item Include, immediately after the copyright notices, a license notice giving the public permission to use the Modified Version under the terms of this License, in the form shown in the Addendum below. @item Preserve in that license notice the full lists of Invariant Sections and required Cover Texts given in the Document's license notice. @item Include an unaltered copy of this License. @item Preserve the section Entitled ``History'', Preserve its Title, and add to it an item stating at least the title, year, new authors, and publisher of the Modified Version as given on the Title Page. If there is no section Entitled ``History'' in the Document, create one stating the title, year, authors, and publisher of the Document as given on its Title Page, then add an item describing the Modified Version as stated in the previous sentence. @item Preserve the network location, if any, given in the Document for public access to a Transparent copy of the Document, and likewise the network locations given in the Document for previous versions it was based on. These may be placed in the ``History'' section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission. @item For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve the Title of the section, and preserve in the section all the substance and tone of each of the contributor acknowledgements and/or dedications given therein. @item Preserve all the Invariant Sections of the Document, unaltered in their text and in their titles. Section numbers or the equivalent are not considered part of the section titles. @item Delete any section Entitled ``Endorsements''. Such a section may not be included in the Modified Version. @item Do not retitle any existing section to be Entitled ``Endorsements'' or to conflict in title with any Invariant Section. @item Preserve any Warranty Disclaimers. @end enumerate If the Modified Version includes new front-matter sections or appendices that qualify as Secondary Sections and contain no material copied from the Document, you may at your option designate some or all of these sections as invariant. To do this, add their titles to the list of Invariant Sections in the Modified Version's license notice. These titles must be distinct from any other section titles. You may add a section Entitled ``Endorsements'', provided it contains nothing but endorsements of your Modified Version by various parties---for example, statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard. You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover Text may be added by (or through arrangements made by) any one entity. If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one. The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version. @item COMBINING DOCUMENTS You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers. The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work. In the combination, you must combine any sections Entitled ``History'' in the various original documents, forming one section Entitled ``History''; likewise combine any sections Entitled ``Acknowledgements'', and any sections Entitled ``Dedications''. You must delete all sections Entitled ``Endorsements.'' @item COLLECTIONS OF DOCUMENTS You may make a collection consisting of the Document and other documents released under this License, and replace the individual copies of this License in the various documents with a single copy that is included in the collection, provided that you follow the rules of this License for verbatim copying of each of the documents in all other respects. You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document. @item AGGREGATION WITH INDEPENDENT WORKS A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, is called an ``aggregate'' if the copyright resulting from the compilation is not used to limit the legal rights of the compilation's users beyond what the individual works permit. When the Document is included an aggregate, this License does not apply to the other works in the aggregate which are not themselves derivative works of the Document. If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one half of the entire aggregate, the Document's Cover Texts may be placed on covers that bracket the Document within the aggregate, or the electronic equivalent of covers if the Document is in electronic form. Otherwise they must appear on printed covers that bracket the whole aggregate. @item TRANSLATION Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License, and all the license notices in the Document, and any Warrany Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers. In case of a disagreement between the translation and the original version of this License or a notice or disclaimer, the original version will prevail. If a section in the Document is Entitled ``Acknowledgements'', ``Dedications'', or ``History'', the requirement (section 4) to Preserve its Title (section 1) will typically require changing the actual title. @item TERMINATION You may not copy, modify, sublicense, or distribute the Document except as expressly provided for under this License. Any other attempt to copy, modify, sublicense or distribute the Document is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. @item FUTURE REVISIONS OF THIS LICENSE The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See @uref{http://www.gnu.org/copyleft/}. Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License ``or any later version'' applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation. @end enumerate @page @appendixsubsec ADDENDUM: How to use this License for your documents To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page: @smallexample @group Copyright (C) @var{year} @var{your name}. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. @end group @end smallexample If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the ``with...Texts.'' line with this: @smallexample @group with the Invariant Sections being @var{list their titles}, with the Front-Cover Texts being @var{list}, and with the Back-Cover Texts being @var{list}. @end group @end smallexample If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation. If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software. @c Local Variables: @c ispell-local-pdict: "ispell-dict" @c End: ccrtp-2.0.6/doc/Doxyfile0000664000175000017500000004262111767643350012051 00000000000000# Doxyfile 0.0.1 # Generate doxy documentation in html and latex format. # This file describes the settings to be used by doxygen for a project # # All text after a hash (#) is considered a comment and will be ignored # The format is: # TAG = value [value, ...] # Values that contain spaces should be placed between quotes (" ") #--------------------------------------------------------------------------- # General configuration options #--------------------------------------------------------------------------- # The PROJECT_NAME tag is a single word (or a sequence of word surrounded # by quotes) that should identify the project. PROJECT_NAME =ccRTP # The PROJECT_NUMBER tag can be used to enter a project or revision number. # This could be handy for archiving the generated documentation or # if some version control system is used. PROJECT_NUMBER = # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) # base path where the generated documentation will be put. # If a relative path is entered, it will be relative to the location # where doxygen was started. If left blank the current directory will be used. OUTPUT_DIRECTORY =. # The OUTPUT_LANGUAGE tag is used to specify the language in which all # documentation generated by doxygen is written. Doxygen will use this # information to generate all constant output in the proper language. # The default language is English, other supported languages are: # Dutch, French, Italian, Czech, Swedish, German and Japanese OUTPUT_LANGUAGE = English # The QUIET tag can be used to turn on/off the messages that are generated # by doxygen. Possible values are YES and NO. If left blank NO is used. QUIET = NO # The WARNINGS tag can be used to turn on/off the warning messages that are # generated by doxygen. Possible values are YES and NO. If left blank # NO is used. WARNINGS = YES # The DISABLE_INDEX tag can be used to turn on/off the condensed index at # top of each HTML page. The value NO (the default) enables the index and # the value YES disables it. DISABLE_INDEX = NO # If the EXTRACT_ALL tag is set to YES all classes and functions will be # included in the documentation, even if no documentation was available. EXTRACT_ALL = YES # If the EXTRACT_PRIVATE tag is set to YES all private members of a class # will be included in the documentation. EXTRACT_PRIVATE = NO # If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all # undocumented members inside documented classes or files. HIDE_UNDOC_MEMBERS = NO # If the HIDE_UNDOC_CLASSESS tag is set to YES, Doxygen will hide all # undocumented classes. HIDE_UNDOC_CLASSES = NO # If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will # include brief member descriptions after the members that are listed in # the file and class documentation (similar to JavaDoc). # Set to NO to disable this. BRIEF_MEMBER_DESC = YES # If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend # the brief description of a member or function before the detailed description. # Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the # brief descriptions will be completely suppressed. REPEAT_BRIEF = YES # If the ALWAYS_DETAILS_SEC and REPEAT_BRIEF tags are both set to YES then # Doxygen will generate a detailed section even if there is only a brief # description. ALWAYS_DETAILED_SEC = NO # If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full # path before files name in the file list and in the header files. If set # to NO the shortest path that makes the file name unique will be used. 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MAN_OUTPUT = # The MAN_EXTENSION tag determines the extension that is added to # the generated man pages (default is the subroutine's section .3) MAN_EXTENSION = .3 #--------------------------------------------------------------------------- # Configuration options related to the preprocessor #--------------------------------------------------------------------------- # If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will # evaluate all C-preprocessor directives found in the sources and include # files. ENABLE_PREPROCESSING = YES # If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro # names in the source code. If set to NO (the default) only conditional # compilation will be performed. MACRO_EXPANSION = YES # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files # in the INCLUDE_PATH (see below) will be search if a #include is found. SEARCH_INCLUDES = YES # The INCLUDE_PATH tag can be used to specify one or more directories that # contain include files that are not input files but should be processed by # the preprocessor. INCLUDE_PATH = . # The PREDEFINED tag can be used to specify one or more macro names that # are defined before the preprocessor is started (similar to the -D option of # gcc). The argument of the tag is a list of macros of the form: name # or name=definition (no spaces). If the definition and the = are # omitted =1 is assumed. PREDEFINED = # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES # then the macro expansion is limited to the macros specified with the # PREDEFINED tag. EXPAND_ONLY_PREDEF = NO #--------------------------------------------------------------------------- # Configuration options related to external references #--------------------------------------------------------------------------- # The TAGFILES tag can be used to specify one or more tagfiles. TAGFILES = # When a file name is specified after GENERATE_TAGFILE, doxygen will create # a tag file that is based on the input files it reads. GENERATE_TAGFILE = # If the ALLEXTERNALS tag is set to YES all external classes will be listed # in the class index. If set to NO only the inherited external classes # will be listed. ALLEXTERNALS = NO # The PERL_PATH should be the absolute path and name of the perl script # interpreter (i.e. the result of `which perl'). PERL_PATH = /usr/bin/perl #--------------------------------------------------------------------------- # Configuration options related to the search engine #--------------------------------------------------------------------------- # The SEARCHENGINE tag specifies whether or not a search engine should be # used. If set to NO the values of all tags below this one will be ignored. SEARCHENGINE = NO # The CGI_NAME tag should be the name of the CGI script that # starts the search engine (doxysearch) with the correct parameters. # A script with this name will be generated by doxygen. CGI_NAME = search.cgi # The CGI_URL tag should be the absolute URL to the directory where the # cgi binaries are located. See the documentation of your http daemon for # details. CGI_URL = # The DOC_URL tag should be the absolute URL to the directory where the # documentation is located. If left blank the absolute path to the # documentation, with file:// prepended to it, will be used. DOC_URL = # The DOC_ABSPATH tag should be the absolute path to the directory where the # documentation is located. If left blank the directory on the local machine # will be used. DOC_ABSPATH = # The BIN_ABSPATH tag must point to the directory where the doxysearch binary # is installed. BIN_ABSPATH = /usr/local/bin/ # The EXT_DOC_PATHS tag can be used to specify one or more paths to # documentation generated for other projects. This allows doxysearch to search # the documentation for these projects as well. EXT_DOC_PATHS = ccrtp-2.0.6/doc/ccrtp.texi0000664000175000017500000015116111767643350012351 00000000000000\input texinfo @c -*-texinfo-*- @c %** start of header @setfilename ccrtp.info @settitle GNU ccRTP Manual @afourpaper @setchapternewpage odd @documentlanguage en @documentencoding ISO-8859-1 @c %** end of header @set EDITION 1.3 @set VERSION 1.3 @set UPDATED Jan 2006 @dircategory Development @direntry * GNU ccRTP: (ccrtp). GNU ccRTP Real-Time Transport Protocol Framework. @end direntry @c ----------------------------------------------------------------------- @c %** start of summary description and copyright @ifnottex GNU ccRTP is a C++ class framework for the development of Real Time Transport Protocol (@acronym{RTP}) based applications. It is based on GNU Common C++. Copyright @copyright{} 2001, 2002, 2003, 2004, 2005, 2006 Federico Montesino Pouzols @email{fedemp@@altern.org}. @include fdlnotice.texi @end ifnottex @c %** end of summary description and copyright @c ----------------------------------------------------------------------- @c %** start of title and copyright page @shorttitlepage @titlefont{GNU ccRTP} @titlepage @sp 10 @title GNU ccRTP Manual @subtitle A Real-Time Transport Protocol Framework based on GNU Common C++ @subtitle @value{EDITION}th Edition, covering ccRTP version @value{VERSION} @subtitle @value{UPDATED} @author Federico Montesino Pouzols @page @vskip 0pt plus 1filll @center{Copyright @copyright{} 2001, 2002, 2003, 2004, 2005 Federico Montesino Pouzols} @include fdlnotice.texi @page @end titlepage @c %** end of title and copyright page @c ----------------------------------------------------------------------- @c %** start of top node and master menu @ifnottex @node Top @top This manual describes GNU ccRTP, a C++ class framework for the development of Real Time Transport Protocol (@acronym{RTP}) based applications. This is the edition @value{EDITION} of this manual and documents GNU ccRTP version @value{VERSION}. @end ifnottex @contents @menu * Introduction:: What @acronym{RTP} and ccRTP are. * Distribution:: How to get @acronym{GNU} ccRTP. * ccRTP Overview:: The library at a glance. * Using ccRTP:: Programming with GNU ccRTP overview. * Specialized Payload Formats:: Supported payload specific extensions. * Standards Tracking:: @acronym{IETF} Standards conformance. * Upgrading:: Upgrading applications based on old releases. * ccRTP Internals:: How @acronym{GNU} ccRTP is done. * Related Work:: Other @acronym{RTP} related libraries and tools. * Future Work:: Future of @acronym{RTP} and ccRTP. * Licenses:: Library and documentation licenses. * Class and Data Type Index:: Index of classes and data types in ccRTP. * Method and Function Index:: Index of methods and functions in ccRTP. * Concept Index:: Index of concepts. @end menu @c %** end of top node and master menu @c %** start of body @c ----------------------------------------------------------------------- @node Introduction @chapter Introduction @cindex Introduction @cindex Common C++ @cindex C++ @cindex IETF @cindex Internet Ingeneering Task Force @cindex Audio/Video Working Group @cindex class framework ccRTP is a C++ framework for developing applications based on the Real Time Transport Protocol (@acronym{RTP} henceforth). @acronym{RTP} provides end-to-end delivery services for data with real-time characteristics and is being developed by the Audio/Video Working Group of the Internet Engineering Task Force (@acronym{IETF}). ccRTP aims to be an efficient and flexible framework valid for almost any kind of application that uses @acronym{RTP}, ranging from high loaded servers and gateways to personal phone applications. Default constructs and values are provided however for the most common choices in the use of @acronym{RTP}. ccRTP conforms to the latest @acronym{RTP} specifications (@pxref{Standards Tracking}). @cindex MD5 @cindex Common C++ @cindex system services @cindex threading @cindex synchronization @cindex sockets ccRTP is based on the @acronym{GNU} Common C++ framework, though most of the library does not require it. Common C++ provides basic system services such as threading, synchronization and sockets@footnote{As well as other more specialized services, such as MD5 computation.}, which makes it possible to provide a complete solution for the use of @acronym{RTP}. However, although ccRTP provides facilities and abstractions useful for the @acronym{RTP} specific components of applications that use @acronym{RTP}, such applications generally require similar system services for other tasks. Besides supporting ccRTP, Common C++ provides a portable and efficient framework for these kind of services. @acronym{RTP} has been defined as an application level protocol framework rather than a typical Internet transport protocol such as TCP and UDP. Thus, @acronym{RTP} is hardly ever implemented as a layer separated from the application. Consequently, @acronym{RTP} applications often must customize the adaptable @acronym{RTP} packet layout and processing rules, timing constraints, session membership rules as well as other @acronym{RTP} and @acronym{RTCP} mechanisms. ccRTP aims to provide a framework for the @acronym{RTP} framework, rather than being just an @acronym{RTP} packet manipulation library. @cindex signalization @cindex RTSP @cindex SIP @cindex H.323 As a clarification of the scope of the ccRTP library and the @acronym{RTP} protocol, we note that ccRTP exclusively deals with the transport of data over the @acronym{RTP} protocol. Once parameters such as destination IP address and transport port, payload type identifier and timestamp frequency are known, ccRTP can be used to open an @acronym{RTP} session and send and receive RTP and RTCP packets. A multimedia application will have those parameters previously set or, more usually, they can be fetched for example from SDP multimedia session descriptions, which can be interchanged (and negotiated) between servers and clients by means of some signaling protocol: @acronym{SIP}, @acronym{RTSP}, or even H.323. Signaling functions are not handled by ccRTP. This document is an introductory programmer's manual, for a more exhaustive reference see the reference manual distributed with GNU ccRTP. In @ref{ccRTP Overview}, the most important concepts and some basic examples are introduced. A deeper and step by step description as well as short examples are provided in @ref{Using ccRTP}. Finally, if after reading this document and/or using ccRTP you think it fails to provide some functionality that seems to be needed for some application, we encourage you to contact the developers of ccRTP and ask or propose them improvements and/or additions. You are also encouraged to provide these improvements and to join the development team. Bug reports, suggestions and criticisms are gladly accepted. @c ----------------------------------------------------------------------- @node Distribution @chapter Distribution @cindex distribution @cindex free software @cindex GNU GPL @cindex linking exception @cindex GNU FDL @cindex philosophy @acronym{GNU} ccRTP is free software (see @url{http://www.gnu.org/philosophy/philosophy.html}. It is licensed under the terms of the @acronym{GNU} General Public License, @xref{GNU General Public License}, plus a linking exception, @xref{GNU ccRTP Linking Exception}. The linking exception is the same that is used for gcc libstdc++. This was done in the case of libstdc++ because the language of the LGPL is neither clear nor correct if one uses C++ features such as templates and method implimentation directly in headers, as the division between the C++ library and another's application is no longer purely a linking one. From the practical standpoint, the exact effect is the same as the LGPL, but with language that matches these C++ features. This is all explained at @url{http://gcc.gnu.org/onlinedocs/libstdc++/17_intro/license.html}. This manual is licensed under the terms of the @acronym{GNU} Free Documentation License, @xref{GNU Free Documentation License}. There are several ways to get @acronym{GNU} ccRTP, refer to @url{http://www.gnu.org} and @url{http://www.gnu.org/software/ccrtp/}. The development of ccRTP is hosted at Savannah @url{http://sv.gnu.org/projects/ccrtp/}. @c ----------------------------------------------------------------------- @node ccRTP Overview @chapter ccRTP Overview @cindex ccRTP Overview At its highest level, ccRTP provides classes for the real-time transport of data through @acronym{RTP} sessions, as well as the control functions of @acronym{RTCP}. @cindex packet queue The main concept in the ccRTP implementation of @acronym{RTP} sessions is the use of packet queues to handle transmission and reception of @acronym{RTP} data packets/application data units. In ccRTP, a data block is transmitted by putting it into the transmission (outgoing packets) queue, and received by getting it from the reception (incoming packets) queue. Starting with 1.0 releases, ccRTP fully supports @acronym{RTP} and @acronym{RTCP}. Here is a brief list of some features of ccRTP: @itemize @item Highly extensible to specialized stacks. @item Supports unicast, multi-unicast and multicast. Handles multiple sources (including synchronization sources and contributing sources) and destinations. Also supports symmetric RTP. @item Automatic RTCP functions handling, such as association of synchronization sources from the same participant or NTP-RTP timestamp mapping. @item Genericity as for underlying network and transport protocols through templates. @item It is threadsafe and supports almost any threading model. @cindex header check @cindex header validity @item Generic and extensible @acronym{RTP} and @acronym{RTCP} header validity checks. @item Handles source states and information as well as statistics recording. @cindex SSRC collision @cindex loop detection @item Automatically handles SSRC collisions and performs loop detection. @cindex reconsideration @cindex timer reconsideration @cindex reverse reconsideration @item Implements timer reconsideration and reverse reconsideration. @cindex Random numbers @cindex /dev/urandom @cindex MD5 @item Provides good random numbers, based on @file{/dev/urandom} or, alternatively, on MD5. @end itemize @cindex demo program @cindex rtphello @cindex rtplisten @tindex RTPSession @findex onGotSR @findex getMRSenderInfo @cindex SR @cindex RTCP SR There are several levels of interface (public interface, public or protected inheritance, etc) in ccRTP. For instance, the @code{rtphello} demo program distributed with ccRTP just uses the public interface of the @code{RTPSession} class and does not redefine the virtual method @code{onGotSR}, thus what this program knows about SR reports is the information conveyed in the last sender report from any source, which can be retrieved via the @code{getMRSenderInfo} method of the @code{SyncSource} class. On the contrary, the @code{rtplisten} demo program redefines @code{onGotSR} by means of inheritance and could do specialized processing of these RTCP packets. Generally, both data and control packets are not directly accessible through the most external interface. @tindex StaticPayloadType @tindex StaticPayloadFormat @tindex DynamicPayloadFormat @tindex RTPSession @tindex AppDataUnit @tindex SyncSource @tindex Participant @tindex AppDataUnit All these functions are performed through a few essential classes and types. The most basic ones are the enumerated type @code{StaticPayloadType}, and the classes @code{StaticPayloadFormat} and @code{DynamicPayloadFormat}. The most important ones are the classes @code{RTPSession}, @code{SyncSource}, @code{Participant} and @code{AppDataUnit}, that represent @acronym{RTP} sessions, synchronization sources, participants in an @acronym{RTP} application, and application data units conveyed in @acronym{RTP} data packets, respectively. @cindex demo program In the next sections, two basic examples are presented. These examples are intended to provide a concrete idea of what the code of a ccRTP based application looks like, they are not complete or compilable programs. You can find some real examples under the demo directory in the source distribution of ccRTP. @menu * Simple Transmitter:: Skeleton of a simple transmitter. * Simple Receiver:: Skeleton of a simple receiver. @end menu @c ----------------------------------------------------------------------- @node Simple Transmitter @section Simple Transmitter @cindex Simple Transmitter The following snippet illustrates the required steps to send an application data unit over @acronym{RTP}. @cartouche @example RTPSession s(InetHostAddress("127.0.0.1"),8000); // @r{bind reception socket} // @r{Initialization} cout << "Local SSRC identifier: " << s.getLocalSSRC() << endl; s.addDestination("www.example.com",9000); // @r{set one destination for packets} s.setPayloadFormat(staticPayloadFormat(sptPCMU)); s.startRunning(); // @r{start running the packet queue scheduler} // @r{Send data} s.putData(0,buffer,bufferLen); // @r{buffer holds bufferLen payload octets} @end example @end cartouche @c ----------------------------------------------------------------------- @node Simple Receiver @section Simple Receiver @cindex Simple Receiver The required actions to receive an application data unit over RTP are listed in the following code snippet. @cartouche @example RTPSession s(InetHostAddress("127.0.0.1"),9000); // @r{bind reception socket.} // @r{Initialization.} cout << "Local SSRC identifier: " << s.getLocalSSRC() << endl; s.setPayloadFormat(staticPayloadFormat(sptPCMU)); s.startRunning(); // @r{start running the packet queue scheduler.} // @r{Receive data.} const AppDataUnit* adu; adu = s.getData(0); // @r{get data with initial -0- timestamp.} if ( adu != NULL ) // @r{do something with adu.} // adu->getType() @r{provides the payload type.} // adu->getData() @r{provides a const uint8 pointer to a data buffer.} // adu->getSize() @r{provides the number of octets in the buffer.} // @r{see other methods in the class AppDataUnit, such as} getSource(). @end example @end cartouche @c ----------------------------------------------------------------------- @node Using ccRTP @chapter Using ccRTP @cindex Using ccRTP @cindex packet queue @cindex thread When using ccRTP, both sending and receiving of data transported over @acronym{RTP} sessions is done through reception and transmission queues handled by the @acronym{RTP} stack. In the most common case, a separate execution thread for each @acronym{RTP} session handles the queues. This case is the threading model that we will generally assume throughout this document. Note however that ccRTP supports other threading models, particularly ccRTP supports the use of a single execution thread to serve a set of @acronym{RTP} sessions. It is also possible to not associate any separate thread with any @acronym{RTP} session, manually calling the main data and control service methods from whatever other thread. @cindex reception queue @cindex incoming queue The basic idea for packet reception with ccRTP is that the application does not directly read packets from sockets but gets them from a reception queue. The stack is responsible for inserting received packets in the reception queue and handling this queue. In general, a packet reception and insertion in the reception queue does not occur at the same time the application gets it from the queue. @cindex transmission queue @cindex outgoing queue Conversely, the basic idea for packet transmission with ccRTP is that packets are not directly written to sockets but inserted in a transmission queue handled by the stack. In general, packet insertion and transmission occur at different times, though it is not necessary. In order to use ccRTP, you must include the main header (@file{#include }. Two additional headers are provided by ccRTP: @table @code @item @file{#include } Classes for RTP extensions which are not mature yet. @end table You must also link in the library, currently @file{ccrtp1}. As presented in the last examples, before starting to send or receive data, RTP sessions must be created, the payload format to use must be set and the stack must be signaled to start running. The following sections describe the use of ccRTP during the different phases of RTP sessions and RTP applications in general. @menu * RTP Sessions:: Using ccRTP to establish @acronym{RTP} sessions. * Payload Types and Formats:: Payload types and formats. * Participants:: Participants and sources of synchronization. * RTP Packets Extensions:: Extensions to @acronym{RTP} data packets handling. * RTCP Packets Extensions:: Extensions to @acronym{RTCP} packets handling. * Handling Events:: Table of ccRTP plug-ins to react to events. @end menu @c ----------------------------------------------------------------------- @node RTP Sessions @section RTP Sessions @cindex RTP Sessions This section discusses the use of @code{RTPSession} objects. Some other classes and concepts are also used, these are just briefly presented here; deeper explanations are provided in next sections. @menu * Initiating Sessions:: @acronym{RTP} sessions initialization with ccRTP. * Sending Data:: Sending @acronym{RTP} data packets. * Receiving Data:: Receiving @acronym{RTP} data packets. * Closing Sessions:: Extensions to @acronym{RTP} data packets handling. * Types of Sessions:: Choosing a threading and socket model. @end menu @c ----------------------------------------------------------------------- @node Initiating Sessions @subsection Initiating Sessions @cindex Initiating Sessions @tindex RTPSession @cindex multicast @cindex join Initiating @acronym{RTP} sessions with ccRTP involves the construction of an object of the class @code{RTPSession} and calling some optional initialization methods. @code{RTPSession} constructors take two mandatory arguments: local network address and local transport port (where incoming packets are expected). There are two constructors, one of them takes a host address as first parameter, while the other takes a multicast address. In the latter case, the application will join to a multicast group. @findex RTPSession::startRunning @findex RTPSession::enableStack General purpose @acronym{RTP} stacks of ccRTP, such as @code{RTPSession} objects, must be signaled to start execution. This is done calling the @code{startRunning()} method. Note there is also a @code{enableStack()} method, this only activates the stack but does not start the execution of the stack thread. After the steps above, the application can receive data, but will not transmit to any destination. This and other session parameters can be set as follows: @itemize @findex OutgoingDataQueue::addDestination @item Add destinations: calling the method @code{addDestination}. @findex RTPQueueBase::setPayloadFormat @cindex static payload type @cindex PCMU @cindex default value @item Set payload format. Method @code{setPayloadFormat}. By default, the static payload type 0 is assumed (PCMU format at 8Khz). @cindex RTCP packets @cindex RTCP compound packets @cindex SDES item @cindex CNAME @cindex default value @cindex PRIV @findex RTPPApplication::setSDESItem @findex RTPApplication::setPRIVPrefix @findex defaultApplication @item Set local SDES Items. For common applications, the CNAME item value is automatically guessed as user@@host. Other items have no default value and are not sent in RTCP packets unless a value is specified by the application. For those items that should be sent in @acronym{RTCP} packets along with the mandatory CNAME, its values can be set calling the @code{setSDESItem} and @code{setPRIVPrefix} methods over the object returned by the @code{defaultApplication} global function. @findex OutgoingDataQueue::setPadding @cindex padding @item Enable padding of data packets. Calling setPadding(uint8) on outgoing data queues enables transparent padding of data packets to a multiple of the padding maximum length specified. By default, padding is off (maximum length of padding is 0). @item setting addresses: @findex QueueRTCPMaanger::setControlBandwidth @cindex default value @cindex default bandwidth @cindex RTCP bandwidth @item Set session bandwidth calling the @code{setSessionBandwidth} method of the session object. If not called, a default bandwidth of 64Kbps is assumed, and 5% of this bandwidth is used for RTCP. This percentage can be changed through the setControlBandwidth method. @end itemize @c ----------------------------------------------------------------------- @node Sending Data @subsection Sending Data @cindex Sending Data @findex OutgoingDataQueue::putData @cindex RTP timestamp offset @cindex timestamp offset Data packets are sent through the method @code{putData}, that takes as first parameter the RTP timestamp for the data specified as second parameter. ccRTP handles the random offset for the RTP timestamp internally, so the timestamp value that corresponds to the session creation time is 0. @findex OutgoingDataQueue::setMark @cindex default value @cindex marker bit By default, the marker bit of the sent packets is not set. Its value for the next packet (the one that will convey the data provided in the next call to @code{putData}) can be set through the @code{setMark} method, which takes a boolean as argument. @findex OutgoingDataQueueBase::setMaxSendSegmentSize @findex OutgoingDataQueueBase::getDefaultMaxSendSegmentSize @cindex default value @cindex segment size ccRTP also supports fragmenting data blocks into several RTP packets. The @code{setMaxSendSegmentSize} method can be used to request that no @acronym{RTP} packet be transmitted with a payload length greater than the value specified through @code{setMaxSendSegmentSize}. The default value of this parameter can be retrieved via @code{getDefaultMaxSendSegmentSize}, which currently should return 65536. When data blocks greater than the maximum segment size are provided through @code{putData}, two or more packet will be inserted in the outgoing packet queue. All these packets but the last one will have length equal to the maximum segment size, whereas the last one's size will be lower or equal to the maximum segment size. @c ----------------------------------------------------------------------- @node Receiving Data @subsection Receiving Data @cindex Receiving Data @findex IncomingDataQueue::getData Received data is retrieved from the incoming packet queue through the @code{getData} method, which, given a timestamp and an optional source of synchronization. This method returns a pointer to an @code{AppDataUnit} object as opposed to a pointer to a memory block. In ccRTP application data units are represented through objects of the @code{AppDataUnit} class, that provides access to the synchronization source of the data and other related properties. @cindex duplicate packets @cindex reordering The incoming packet queue takes care of functions such as packet reordering or filtering out duplicate packets. @findex IncomingDataQueue::isWaiting You can guess if there are packets in the reception queue calling @code{isWaiting}. Both @code{getData} and @code{isWaiting} take an optional parameter which selects a particular synchronization source of data units. If not specified, data units are returned regardless of its source. @c ----------------------------------------------------------------------- @node Closing Sessions @subsection Closing Sessions @cindex Closing Sessions RTP sessions can be closed deleting or destroying @code{RTPSession} objects. The stack sends a BYE packet to every destination when the destructor of sessions is called. It is also possible to explicitly send a BYE packet through the dispatchBYE method, which takes the leaving reason string as argument. Note that dispatchBYE will honor a number of rules for sending BYE packets specified in the RTP standard: a BYE packet is not sent if no RTP/RTCP packet was sent, and BYE floods avoiding mechanisms are employed. Note that when a BYE RTCP packet is received from a remote participant, the virtual @code{onGotGoodbye} will be called. @c ----------------------------------------------------------------------- @node Types of Sessions @subsection Types of Sessions @cindex Types of Sessions @emph{TODO:} explain how to instantiate templates depending on the threading model and the number of sockets to use. Also symmetric channels/sessions. Describe what's a channel and a session. @c ----------------------------------------------------------------------- @node Payload Types and Formats @section Payload Types and Formats @cindex Payload Types @cindex Payload Formats @tindex PayloadType @tindex StaticPayloadType In the context of @acronym{RTP}, an @acronym{RTP} payload type is a 7-bit numeric identifier that identifies a payload format. For payload types, GNU ccRTP defines the integer type @code{PayloadType}. ccRTP also defines The enumerated type @code{StaticPayloadType}, as the enumeration of the @acronym{RTP} Payload Types statically assigned for standard audio and video formats. These codes were initially specified in @cite{RFC 1890, ``RTP Profile for Audio and Video Conferences with Minimal Control'' (AVP profile)}, superseded by @cite{RFC 3550}, and are registered as MIME types in @cite{RFC 3555}. Codes below 96 may be assigned statically, although the default bindings for many of them are already reserverd. Codes in the range 96-127 are assigned dinamically by means outside of the @acronym{RTP} profile or protocol specification. @cindex IANA @cindex RTP parameters See the ``RTP Parameters'' list at @acronym{IANA} @url{http://www.iana.org/assignments/rtp-parameters}. Note however that registering static payload types is now considered a deprecated practice in favor of dynamic payload type negotiation. @tindex PayloadFormat @cindex MIME @cindex SDP @cindex Session Description Protocol @cindex H.245 @cindex clock rate @cindex timestamp clock rate @cindex RTP clock rate The properties of a payload format that, as an @acronym{RTP} stack, ccRTP takes into account are the payload type (numeric identifier) and the @acronym{RTP} clock rate. Other properties, such as @acronym{MIME} type, number of audio channels, ``ptime'' and ``maxptime'' are not considered. These are only of interest for higher level protocols, such as @acronym{SDP} and H.245. GNU ccRTP defines a hierarchy of payload format classes. Its root is @code{PayloadFormat}, which is a base class for @code{StaticPayloadFormat} and @code{DynamicPayloadFormat}. @tindex StaticPayloadFormat @tindex StaticPayloadType Static payload format objects are built from a static payload code. These are defined in the enumerated type @code{StaticPayloadType}. The following example constructs a @code{StaticPayloadFormat} object corresponding to the payload type 0 (statically bounded to PCMA in @cite{RFC 3551}): @findex StaticPayloadFormat::StaticPayloadFormat @example StaticPayloadType pt = sptPCMU; StaticPayloadFormat* spf = new StaticPayloadFormat(pt); @end example Of course, we could have said: @example StaticPayloadFormat* spf = new StaticPayloadFormat(sptPCMA); @end example StaticPayloadFormat objects build like the ones above hold the necessary parameters so that the @acronym{RTP} stack can handle incoming and outgoing packets. @tindex DynamicPayloadFormat @findex DynamicPayloadFormat::DynamicPayloadFormat Regarding dynamic payload formats, a call to @code{DynamicPayloadFormat::DynamicPayloadFormat(100,90000)} like the following: @example DynamicPayloadFormat* dpf = new DynamicPayloadFormat(100,90000); @end example Will construct a dynamic payload format object that ties together the '100' payload type numeric identifier and an @acronym{RTP} clock rate of 90 Khz. Note that the numeric identifier does not have to be in the dynamic range. The static payload types are default bindings and MAY be overriden, thus, DynamicPayloadFormat(0,90000) is a valid construct provided 0 has been established as the payload type through a previous negotiation process@footnote{Despite the fact that RFC 3551 defines a static binding of the 0 code to mu-law PCM at 8Khz.}. @cindex Session control Whether and how the payload has been negotiated is outside of the scope of @acronym{RTP} and ccRTP, so applications must choose between @code{StaticPayloadFormat} and @code{DynamicPayloadFormat} accordingly to their multimedia session control mechanisms. @c ----------------------------------------------------------------------- @node Participants @section Participants And Sources of Synchronization @cindex Source of Synchronization @cindex Participant @tindex RTPApplication @tindex Participant @tindex SyncSource @tindex RTPSession In GNU ccRTP, there are classes that represent @acronym{RTP} applications (@code{RTPApplication}), participants (@code{Participant}), synchronizacion sources (@code{SyncSource}) and RTP sessions (@code{RTPSession}). The relations among these entities are shown in the following diagram: @image{srcmodel,8cm,,{Relations between applications, participants, sources and sessions}} @cindex CNAME An @acronym{RTP} application establishes a space of CNAME identifiers, whereas an @acronym{RTP} session establishes a space of SSRC identifiers. For each source of synchronization seen in an @acronym{RTP} session, a @code{SyncSource} object identified by a SSRC numeric identifier is created. Thus, at the beginning of an @acronym{RTP} session there are no @code{SyncSource} objects related. Note that, if the local source sends packets to itself during an @acronym{RTP} session, a @code{SyncSource} object will be created for it. The list of sources of synchronization identified in an RTP session can be retrived through STL-like iterators of type @code{RTPSession::SyncSourcesIterator}, as shown in the following example. @cartouche @example // rx is an RTPSession object RTPSession::SyncSourcesIterator it; for (it = rx.begin() ; it != rx.end(); it++) @{ const SyncSource &s = *it; cout << s.getID(); if ( s.isSender() ) cout << "is an active sender"; cout << endl; @} @end example @end cartouche @findex RTPSession::SyncSourcesIterator @cindex const iterator @cindex iterator Note @code{RTPSession::SyncSourcesIterator} is a const iterator. @findex SyncSource::getParticipant() @cindex participant When using RTCP, it is possible to associate several synchronization source objects to a participant in the multimedia session, which is represented through the association between @code{Participant} and @code{SyncSource} objects. The participant object linked to a source of synchronization can be retrieved through the @code{SyncSource::getParticipant()} method, as the following examples shows: @cartouche @example // s is a source of synchronization object (SyncSource) Participant *p = s.getParticipant(); cerr << p->getSDESItem(SDESItemTypeCNAME) << endl; @end example @end cartouche When RTCP is not being used or the CNAME identifier corresponding to a synchronization source has not been received yet, the participant associated with a synchronization source is not known. In these cases, the method @code{SyncSource::getParticipant()} will return a NULL pointer. On the contrary, a participant is always related to a synchronization source at least. It can also be related to more than one synchronization source (for instance, when a participant in a videoconference sends two video streams from two different chameras). Note that, if the local source sends data and control packets to itself, a @code{Participant} object will be created for it. Thus, the @code{SyncSource::getParticipant} provides a facility for inter-media synchronization. @findex defaultApplication @findex RTPApplication @cindex default value @cindex CNAME The association of @acronym{RTP} sessions and participants with @code{RTPApplication} objects makes it possible to implement several ``RTP applications'' in the same application or process, each one having a separate CNAME space. By default, all @acronym{RTP} sessions are associated to an @acronym{RTP} application provided by the global method @code{defaultApplication()}. The local CNAME for the default application is guessed from the user and machine name, as specified in @cite{RFC 3550}. However, other applications may be created through the constructor @code{RTPApplication::RTPApplication(const std::string& cname)}. @acronym{RTP} sessions are associated with applications other than the default via an optional constructor parameter. @findex RTPApplication::ParticipantsIterator @cindex const iterator @cindex iterator Similarly to the list of synchronization sources, the list of participants in a session can be retrieved using iterators of type @code{RTPApplication::ParticipantsIterator}, see the following example, which shows the list of CNAMEs of the participants in the default application: @cartouche @example RTPApplication &app = defaultApplication(); RTPApplication::ParticipantsIterator ai; for ( ai = app.begin(); ai != app.end(); ai++ ) @{ const Participant &p = *ai; cerr << p.getSDESItem(SDESItemTypeCNAME) << endl; @} @end example @end cartouche @findex RTPApplication::ParticipantsIterator @cindex const iterator @cindex iterator Note @code{RTPApplication::ParticipantsIterator} is a const iterator. @emph{TODO: SyncSource states}. @c ----------------------------------------------------------------------- @node RTP Packets Extensions @section RTP Packets Extensions @cindex RTP Packets Extensions @tindex RTPPacket @tindex IncomingRTPPkt @tindex OutgoingRTPPkt @emph{TODO.} Describe @code{RTPPacket}, @code{IncomingRTPPkt} and @code{OutgoingRTPPkt} classes. @xref{RTP Packets Arrival}, for a discussion of event handling virtuals that allow for specialized processing of data packets. @c ----------------------------------------------------------------------- @node RTCP Packets Extensions @section RTCP Packets Extensions @cindex RTCP Packets Extensions @xref{RTCP Packets Arrival}, for a discussion of event handling virtuals that allow for specialized processing of control packets. @c ----------------------------------------------------------------------- @node Handling Events @comment node-name, next, previous, up @section Handling Events @cindex Handling Events There are a number of events that may require special response from the application. ccRTP defines plug-ins to handle these events. @menu * RTP Packets Arrival:: Filtering and extending @acronym{RTP} packets parsing. * RTCP Packets Arrival:: Filtering and extending @acronym{RTCP} packets parsing. * Synchronization Source States:: Handling state transitions. * SSRC Collisions:: Handling SSRC identifier collisions. * RTP Packets Expiration:: Outgoing and incoming @acronym{RTP} packets expiration. @end menu @c ----------------------------------------------------------------------- @node RTP Packets Arrival @comment node-name, next, previous, up @subsection RTP Packets Arrival @cindex RTP Packet Arrival @findex IncomingDataQueue::onRTPPacketRecv @code{onRTPPacketRecv} is the virtual method that may be redefined in any subclass of @code{IncomingDataQueue}, particularly in subclasses of @code{RTPSession}. It takes an @code{IncomingRTPPkt} object as argument and returns a boolean indicating whether the packet should be inserted in the reception queue. @c ----------------------------------------------------------------------- @node RTP Packets Expiration @comment node-name, next, previous, up @subsection RTP Packets Expiration @cindex RTP Packets Expiration @findex OutgoingDataQueue::onExpireSend @findex IncomingDataQueue::onExpireRecv @code{onExpireSend} and @code{onExpireRecv} @findex QueueRTCPManager::end2EndDelayed @code{end2EndDelayed} @c ----------------------------------------------------------------------- @node RTCP Packets Arrival @comment node-name, next, previous, up @subsection RTCP Packets Arrival @cindex RTCP Packet Arrival Incoming RTCP packets are automatically handled by ccRTP. However, this does not mean you can't track the reception of RTCP packets. @itemize @cindex SR @cindex RTCP SR @findex QueueRTCPManager::onGotSR @item @code{onGotSR} @cindex RR @cindex RTCP RR @findex QueueRTCPManager::onGotRR @item @code{onGotRR} @cindex SDES @cindex RTCP SDES @findex QueueRTCPManager::onGotSDESChunk @item @code{onGotSDESChunk} @cindex APP @cindex RTCP APP @findex QueueRTCPManager::onGotAPP @item @code{onGotAPP} @cindex SRE Extension @findex QueueRTCPManager::onGotRRSRExtension @item @code{onGotRRSRExtension} @end itemize Note that this events correspond to RTCP packets, not RTCP compound packets, and probably the reception of a compound packet will trigger more than one of these events. @c ----------------------------------------------------------------------- @node Synchronization Source States @comment node-name, next, previous, up @subsection Synchronization Source States @cindex Synchronization Source States @findex IncomingDataQueue::onNewSyncSource @code{onNewSyncSource}. @c ----------------------------------------------------------------------- @node SSRC Collisions @comment node-name, next, previous, up @subsection SSRC Collisions @cindex SSRC Collision @cindex collision @cindex SSRC collision @findex QueueRTCPManager::onSSRCCollision @code{onSSRCCollision}. @c ----------------------------------------------------------------------- @node Specialized Payload Formats @chapter Specialized Payload Formats @cindex Specialized Payload Formats @emph{TODO:} finish 2833bis and CN. @emph{TODO:} comment H.261 specific RTCP packets: FIR and NACK. @c ----------------------------------------------------------------------- @node Standards Tracking @chapter Standards Tracking @cindex Standards tracking @cindex IETF @cindex IETF standards @emph{TODO: explain what is done/being done/planned}. @itemize @item @cite{RTP: A Transport Protocol for Real-Time Applications (RFC 3550, which supersedes RFC 1889)}. @item @cite{RTP Profile for Audio and Video Conferences with Minimal Control (RFC 3551, which supersedes RFC 1890)}. @item @cite{MIME Type Registration of RTP Payload Formats (RFC 3555)}. @item @cite{IANA RTP Parameters}. @item @cite{RTP Payload Format for H.261 Video Streams (RFC 2032)}. Defines H.261 specific FIR and NACK RTCP packets. @end itemize @itemize Not yet implemented: @cindex profile @cindex SRTP @cindex Secure RTP @item @cite{The Secure Real-time Transport Protocol}. SRTP provile. @cindex AVPF @cindex RTCP-based feedback @item @cite{Extended RTP Profile for RTCP-based Feedback (RTP/AVPF)}. @cindex AVPF @cindex RTCP-based feedback @item @cite{Extended RTP Profile for RTCP-based Feedback (RTP/AVPF)}. @cindex SAVPF @item @cite{Extended Secure RTP Profile for RTCP-based Feedback (RTP/SAVPF)}. @end itemize @c ----------------------------------------------------------------------- @node Upgrading @chapter Upgrading @cindex Upgrading This chapter outlines the main steps required to upgrade applications written for old releases of ccRTP (0.6.x, 0.7.x and 0.9.x series) to the 1.0 series. It is written mostly as a recipe of replacements for old constructs. Replace @code{#include } with @code{#include }@footnote{Note that unfortunately ccRTP 1.0pre0 used @code{#include getID() @findex RTPQueue::getLocalInfo @findex RTPQueue::getLocalSSRC Replace with @code{RTPQueueBase::getLocalSSRC()} @item RTPQueue::getCNAME() @findex RTPQueue::getCNAME @findex defaultApplication @findex RTPApplication::getSDESItem Replace with @code{defaultApplication().getSDESItem(SDESItemTypeSDES)}. @item RTPQueue::getPacket() @findex RTPQueue::getPacket @findex IncomingDataQueue::getData @code{getPacket()} has been removed and now there is only a @code{getData()} method in the @acronym{RTP} queues. @item RTPQueue::setTimeout() @findex RTPQueue::setTimeout @findex OutgoingDataQueue::setSchedulingTimeout Replace calls to RTPQueue::setTimeout(microtimeout_t) with calls to OutgoingDataQueue(microtimeout_t), whose purpose and working is exactly the same. @item RTPQueue::putPacket() @findex RTPQueue::putPacket @findex OutgoingDataQueue::putData @cindex payload type @findex RTPQueueBase::setPayloadFormat @code{putPacket()} has been removed and now there is only a @code{putData()} method in the @acronym{RTP} queues. Note also that now the payload type is not specified for each outgoing @acronym{RTP} data block, instead use RTPQueueBase::setPayloadFormat each time the payload type changes. @item PayloadType @tindex DynamicPayloadType @tindex StaticPayloadType The definition of payload types has deeply changed in order to allow all standard uses of dynamic payload negotiation. Refer to @ref{Payload Types and Formats}, for an explanation of the new payload types and formats related classes. For example, @code{RTP_PAYLOAD_PCMU} must be replaced with something like @code{StaticPayloadFormat pcmu(sptPCMU)}, where @code{pcmu} is the name of a static payload object that binds an statically assigned @code{PayloadType} @footnote{The static payload type 0 corresponds to the audio format PCMU, see @cite{RFC 3550}.}. to its corresponding @acronym{RTP} clock rate@footnote{8 khz.}. @cindex destination @cindex redundancy @item RTPSocket::Connect The call connect has been removed. Now, in order to send packets to a destination @code{OutgoingDataQueue::addDestination} must be used. It allows for setting more than one destination. Any destination can actually be added more than one time with addDestination, which can be used a simple trick to perform redundant transmission: each packet -both RTP and RTCP- will be transmitted to the destination as many times as it has been added to the list of destinations through calling addDestination. @item RTPQueue::getCurrentRate @findex RTPQueue::getCurrentRate @findex RTPQueueBase::getCurrentRTPClockRate Replace with @code{RTPQueueBase::getCurrentRTPClockRate()}. @item RTPSocket::Start @findex RTPSocket::Start @findex RTPSession::startRunning Replace with @code{RTPSession::startRunning}. @item RTPQueue::gotHello @findex RTPQueue::gotHello @findex QueueRTCPManager::onNewSyncSource Replace with @code{QueueRTCPManager::onNewSyncSource}. @item RTPQueue::gotGoodbye @findex RTPQueue::gotGoodbye @findex QueueRTCPManager::onGotGoodbye Replace with @code{QueueRTCPManager::onGotGoodbye}. @end table @c ----------------------------------------------------------------------- @node ccRTP Internals @comment node-name, next, previous, up @chapter ccRTP Internals @cindex @acronym{ccRTP} Internals @menu * Internals Overview:: ccRTP internals overview. * Collisions and Loops:: Collision Resolution and Loop Detection. * Algorithms in the Standard:: Implementation of algorithms in the standard. @end menu @c ----------------------------------------------------------------------- @node Internals Overview @section Internals Overview @cindex Internals Overview @emph{TODO: Explain where on how timer reconsideration/reverse recons. is performed}. Performance: @itemize @item Zero copy stack. @item RW/R multithreading. @item Fast specialized linked list and hash mechanisms. @end itemize @c ----------------------------------------------------------------------- @node Collisions and Loops @section Collisions and Loops @cindex Collisions and Loops ccRTP performs loop detection (following 8.2 in @cite{RFC 3550}, though the algorithm in ccRTP differs is structure because of two reasons: @itemize @item ccRTP holds a table of source for which some packet has been received, instead of a table with all the sources in the session (i.e. the local source is not included in the table unless it sends packets to itself). @item RTP and RTCP packets are handled separately whereas the algorithm in 8.2 treats both. Note that the first two conditions in 8.2 (creating new source entries and setting source transport address) are handled in the SSRC bookkeeping methods rather than mixing them with the real collisions and loop handling. Unlike the algorithm given in 8.2, the ccRTP algorithm detects the very rare case when two sources on the same host use the same SSRC identifier and the first @acronym{RTP} packet for that identifier is received from one source and the first RTCP is received from the other. @end itemize @c ----------------------------------------------------------------------- @node Algorithms in the Standard @section Algorithms in the Standard @cindex Algoritms in the Standard The following sections summarizes how the algorithms specified in appendixes from @cite{RFC 3550} are implemented in ccRTP. A ``mapping'' between routines in the RFC and methods/routines in ccRTP is provided. @menu * A.1:: @acronym{RTP} Data Header Validity Checks. * A.2:: RTCP Header Validity Checks. * A.3:: Determining the Number of @acronym{RTP} Packets Expected and Lost. * A.4:: Generating SDES RTCP Packets. * A.5:: Parsing RTCP SDES Packets. * A.6:: Generating a Random 32-bit Identifier. * A.7:: Computing the RTCP Transmission Interval. * A.8:: Estimating the Interarrival Jitter. @end menu @c ----------------------------------------------------------------------- @node A.1 @subsection A.1 @cindex A.1 @findex IncomingDataQueue::checkSSRCInIncomingRTPPkt @findex QueueRTCPManager::checkSSRCInRTCPPkt ccRTP performs @acronym{RTP} data header validity check in two stages: the first stage, performed at the constructor of @code{IncomingRTPPkt} (which is extensible with virtual methods) validates the header fields independent of the source. The second stage, performed at @code{IncomingDataQueue::checkSSRCInIncomingRTPPkt} and @code{QueueRTCPManager::checkSSRCInRTCPPkt}, validates those fields specific to the source of the packet (number sequence, etc). Additionally, the following table specifies which methods of ccRTP implement the functions init_seq and update_seq from A.1. @table @code @item void init_seq(source*, u_int16) void MembershipBookkeeping::SyncSourceLink::initSequence(uint16) @item int update_seq(source*, u_int16) bool RTPQueue::recordReception(SyncSourceLink&, const IncomingRTPPkt&) @end table @c ----------------------------------------------------------------------- @node A.2 @subsection A.2 @cindex A.2 @cindex header check @cindex header validity @cindex RTCP header @findex RTCPCompoundHandler::checkCompountRTCPHeader The code in A.2 corresponds to @code{RTCPCompoundHandler::checkCompountRTCPHeader}. @c ----------------------------------------------------------------------- @node A.3 @subsection A.3 @cindex A.3 @findex MembershipBookkeeping::SyncSourceLink::computeStats Code in A.3 corresponds to @code{MembershipBookeeping::computeStats}. @c ----------------------------------------------------------------------- @node A.4 @subsection A.4 @cindex A.4 @findex QueueRTCPManager::packSDES Code in A.4 is implemented as part of the method @code{QueueRTCPManager::packSDES}. @c ----------------------------------------------------------------------- @node A.5 @subsection A.5 @cindex A.5 @findex QueueRTCPManager::onGotSDES Code in A.5 is implemented in the method @code{QueueRTCPManager::onGotSDES}, which calls the virtual method @code{QueueRTCPManager::onGotSDESChunk} to process each SDES chunk. @c ----------------------------------------------------------------------- @node A.6 @subsection A.6 @cindex A.6 @cindex Random numbers @cindex /dev/urandom @cindex MD5 On POSIX systems, ccRTP uses @file{/dev/urandom} when available. If there is no such device, it defaults to the MD5 based algorithm given in appendix A.6. Code in A.6 corresponds to @code{uint32 MD5BasedRandom32()}, which is called by @code{uint32 random32()} when no random device is available. @c ----------------------------------------------------------------------- @node A.7 @subsection A.7 @cindex A.7 Mapping: @table @code @item double rtcp_interval(int, int, double, int, double, int) virtual timeval QueueRTCPManager::computeRTCPInterval(), and in timeval (seconds + microseconds) units, instead of seconds. @item OnExpire(event, int, int, double, int, double, int time_tp, time_tp, int) QueueRTCPManager::runControlService(microtimeout_t) (this method also implements part of SendRTCPReport(e)) @item OnReceive(packet, event, int, int, int, double, double, double, double) void QueueRTCPManager::takeInControlPacket() and QueueRTCPManager::runControlService(microtimeout_t) @item Schedule(time, event) and Reschedule(time, event) No equivalent. @findex QueueRTCPManager::dispatchControlPacket @item SendRTCPReport(event) @code{dispatchControlPacket}. @findex QueueRTCPManager::dispatchBYE @item SendBYEPacket(event) @code{QueueRTCPManager::dispatchBYE(const std::string& reason)}. @item TypeOfEvent(event) No equivalent. @item PacketType(p) No equivalent. @findex IncomingDataQueue::takeInDataPacket @item ReceivedPacketSize() @code{size_t IncomingDataQueue::takeInDataPacket()}. @findex OutgoingDataQueue::dispatchDataPacket @findex QueueRTCPManager::dispatchControlPacket @item SentPacketSize() @code{size_t OutgoingDataQueue::dispatchDataPacket()} -data, and @code{size_t QueueRTCPManager::dispatchControlPacket()} -control. @item NewMember(p) @item NewSender(p) @item AddMember() and RemoveMember() @item AddSender() and RemoveSender() @end table @c ----------------------------------------------------------------------- @node A.8 @subsection A.8 @cindex A.8 @cindex jitter @cindex interarrival jitter @findex IncomingDataQueue::recordReception Interarrival jitter is estimated as specified in A.8, in @code{recordReception}. Jitter is kept as a float. @c ----------------------------------------------------------------------- @node Related Work @comment node-name, next, previous, up @chapter Related Work @cindex Related work @emph{TODO}. Other free @acronym{RTP} stacks and tools: @itemize @item jrtplib @item oRTP @item LIVE.COM Streaming Media @item UCL Common Code Library. Note this library is distributed under a BSD license @emph{with} the obnoxious clausule. @end itemize @c ----------------------------------------------------------------------- @node Future Work @comment node-name, next, previous, up @chapter Future Work @cindex Future, Future Work @emph{TODO}. @c %** end of body @c ----------------------------------------------------------------------- @node Licenses @appendix Licenses @menu * GNU Free Documentation License:: License for this document. * GNU General Public License:: ccRTP Base License. * GNU ccRTP Linking Exception:: ccRTP linking exception. @end menu @include gpl.texi @include fdl.texi @c ----------------------------------------------------------------------- @node GNU ccRTP Linking Exception @appendixsec GNU ccRTP Linking Exception @cindex GNU ccRTP Linking Exception As a special exception to the GNU General Public License, permission is granted for additional uses of the text contained in its release of ccRTP. The exception is that, if you link the ccRTP library with other files to produce an executable, this does not by itself cause the resulting executable to be covered by the GNU General Public License. Your use of that executable is in no way restricted on account of linking the ccRTP library code into it. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. This exception applies only to the code released under the name ccRTP. If you copy code from other releases into a copy of ccRTP, as the General Public License permits, the exception does not apply to the code that you add in this way. To avoid misleading anyone as to the status of such modified files, you must delete this exception notice from them. If you write modifications of your own for ccRTP, it is your choice whether to permit this exception to apply to your modifications. If you do not wish that, delete this exception notice. @c ----------------------------------------------------------------------- @c %** start of end @node Class and Data Type Index @unnumbered Class and Data Type Index @printindex tp @node Method and Function Index @unnumbered Method and Function Index @printindex fn @node Concept Index @unnumbered Concept Index @printindex cp @bye @c %** end of end ccrtp-2.0.6/NEWS0000664000175000017500000000077211767643350010276 00000000000000ccrtp Library NEWS -- history of visible user changes. 2002-11-6 Release 1.0.0 New model for participants and synchronization sources interrelationship. Full RTP/RTCP support. Release 0.1.0 The base classes have been re-arranged to allow more work on generic RTP socket types other than the voice profile pure UDP implimentation. A new duplexing class for peer to peer RTP has also been added. Release 0.0.1 It compiles anyway! This library uses scheduled packet queues for processing RTP sessions. ccrtp-2.0.6/libccrtp.pc0000644000175000017500000000032112153104770011675 00000000000000prefix=/usr/local exec_prefix=${prefix} libdir=${exec_prefix}/lib includedir=${prefix}/include Name: libccrtp Description: GNU ccRTP core library Version: 2.0.6 Requires: commoncpp >= 5.0.0 Libs: -lccrtp ccrtp-2.0.6/ChangeLog0000664000175000017500000010414312153104326011327 000000000000002013-06-03 Tristan Matth Uninitialized control message and rtcp messages. 2010-12-04 Werner Dittmann Added a new method to RTPPacket and modified the takeInData to fix the handling of padding in case SRTP is active. SRTP encrypts the full payload including the padded bytes thus at the receiving end this would give the wrong number of bytes added to the payload. 2010-10-04 David Sugar More code cleanup for new 1.7.1 release. 2008-12-12 David Sugar General code cleanup and pedantic check for what will be release 1.7.0. 2008-08-20 David Sugar Taking in debian gcc-4.3 cleanness patch and upstream patches... 2008-06-01 David Sugar For release 1.6.1: Crypto context fixes and updates from Werner Dittmann, timestamp calculation issues as reported on list, and a gcc 4.3 issue I found. 2007-11-16 Federico Montesino Pouzols * src/ccrtp/rtcppkt.cpp: fixed switched member in RTCPSenderInfo::getPacketCount and RTCPSenderInfo::getOctetCount (patch from Mattias Seeman). Added better constructor to RTCPReceiverInfo and RTCPSenderInfo. 2007-10-29 Federico Montesino Pouzols * src/rtcppkt.cpp: (NTP2Timeval(uint32, uint32): fixed bug in tf_usec field computation (reported by Martin Runge). 2007-10-24 Federico Montesino Pouzols * src/outqueue.cpp: fixed removeDestinationFromList and removeDestinationFromListIPV6 (ncrement on an undefined iterator bug reported by Martin Mainka). 2006-12-30 David Sugar Recent changes known: SRTP support can now be disabled cleanly in configure; support for sending packets to IPV6 networks (IPV6 receive not working yet). This will be part of a 1.5.1 release. 2006-10-01 David Sugar Prep for release 1.5.0 with Werner Dittman's SRTP changes merged. 2006-09-16 Federico Montesino Pouzols * src/ccrtp/rtp.h: (Template class TRTPSessionBase): setMcastTTL moved to public section so that users have a way of setting TTL (pointed out by Tom Anwyll). joinGroup() and leaveGroup() moved to the protected section. * src/ccrtp/channel.h: (Template classes DualRTPChannel and DualRTPChannelIPV6): fixed bugs in setMulticast (only recv socket was set) and setTimeToLive (ttl of the recv socket was changed instead of changing the send ttl). 2006-09-11 David Sugar * configure: Updated to use pkgconfig instead of older Common C++ macro. 2006-07-25 Federico Montesino Pouzols * Added 2 fixes from Yaniv Levy: * src/ccrtp/cqueue.h: added missing implementation of QueueRTCPManager::setMinRTCPInterval. * src/ccrtp/oqueue.h: added two new methods to class OutgoingDataQueue: setNextSeqNum and getCurrentSeqNum (for RTSP PLAY). 2006-07-03 Federico Montesino Pouzols * src/control.cpp: (QueueRTCPManager::packReportBlocks): fixed byte ordering bug in report blocks SSRC field. Reported by Yaniv Levy. 2006-05-16 David Sugar * src/ccrtp/ioqueue.h: make endQueue protected. * src/outqueue.cpp, src/ccrtp/oqueue.h: support added to send immediate RTP data packet with new sendImmediate method. * src/ccrtp/rtp.h: endSocket validates dso/cso correctly * configure.in: updated for 1.4.1. 2006-05-02 David Sugar * configure.in: updated for 1.4.0. 2006-05-16 Federico Montesino Pouzols * src/ccrtp/pool.h, src/pool.cpp: applied patch in Savannah support request #105229 (by Jorgen Terner) for session pools thread safety. New classes: SessionListElement and PredEquals. * src/ccrtp/pool.h, src/pool.cpp: applied patch in Savannah support request #105156 (by Jorgen Terner) for scheduling packets by timeout (as in single threaded RTP sessions). * src/outqueue.cpp: (OutgoingDataQueue::purgeOutgoingQueue) nullify sendLast (fix by Jorgen Terner) 2006-05-02 David Sugar * configure.in: updated for 1.4.0. 2006-03-27 David Sugar * src/queue.cpp: 64 bit friendly... 2006-03-08 David Sugar * src/ccrtp/rtp.h, src/ccrtp/channel.h, src/pool.cpp: added preliminary IPV6 RTP support. 2005-12-08 David Sugar * src/ccrtp/iqueue.h, src/ccrtp/rtppkt.h: minor header fixes for doxygen generated documentation. * configure.ac: updated for new release. 2005-12-01 Federico Montesino Pouzols * src/source.cpp: (RTPApplication::findCNAME) fixed to avoid crashes when no user name and hostname is available (fix by Michel de Boer). * src/pool.cpp: (SingleRTPSessionPool::run) fix to make it run by Guillaume FRAYSSE. 2005-10-10 David Sugar * configure.ac: updated for new release 2005-10-10 Federico Montesino Pouzols * src/members.cpp: (MembershipBookkeeping::SyncSourceLink::initStats) fixed initialization of timestamps. 2005-09-20 Federico Montesino Pouzols * Fixes for jitter calculation (bug report by Greg Silverman): * src/ccrtp/iqueue.h, src/incqueue.cpp: (IncomingDataQueue::recordReception) now also records lastPacketTime. * src/ccrtp/iqueue.h, src/incqueue.cpp: (struct SyncSourceLink) renamed initialTime, initialTimestamp, getInitialTime, setInitialTime, getInitialTimestamp, setInitialTimestamp to initialDataTime, initialDataTimestamp and so on. * src/control.cpp: (QueueRTCPManager::takeInControlPacket): do not call srcLink->setInitialTime. * src/ccrtp/rtcppkt.h: doc. fix. 2005-08-21 David Sugar * src/queue.cpp: needs for sprintf... 2005-07-29 David Sugar * src/control.cpp: fix for pointer skip * configurr.ac: updated for release 1.3.4. 2005-07-27 David Sugar * configure.ac: updated for release 1.3.3. 2005-07-27 Federico Montesino Pouzols * src/control.cpp: Added length checks while processing RTCP received packets, patch from Michel de Boer. 2005-06-13 David Sugar * configure.ac: updated for release 1.3.2. 2005-06-11 David Sugar * src/ccrtp/base.h, src/ccrtp/rtppkt.h, src/ccrtp/rtcpptk.h: use of CCXX_PACKED to control use of pack() pragma. 2005-05-03 David Sugar * src/ccrtp/rtppkt.h: 2833 methods must be public 2005-05-01 David Sugar * configure.ac: updated for May 1 release, 1.3.1. 2005-04-29 David Sugar * src/ccrtp/rtp.h: gcc 4.0 pickyness and passing of ~0 to sleep. 2005-04-27 Federico Montesino Pouzols * src/control.cpp: (packReportBlocks) use correct SSRC from remote source, fix from Takegami takashi. * src/rtcppkt.cpp: (timevalIntervalTo65536) fixed signed/unsigned issue, reported by Takegami Takashi. 2005-04-19 Federico Montesino Pouzols * doc/ccrtp.texi: notes on padding and redundancy. Added clarification on linking exception. * src/rtcppkt.cpp: (NTP2Timeval) fixed conversion (- NTP_EPOCH_OFFSET instead of +), reported by Takegami Takashi. * fixed dlsr computation (reported by Takegami Takashi): * src/ccrtp/iqueue.h, src/members.cpp: added lastRTCPPacketTime and lastRTCPSRTime to SyncSourceLink * src/control.cpp: (QueueRTCPManager::takeInControlPacket) record lastRTCPPacketTime and lastRTCPSRTime. (packReportBlocks) use lastRTCPSRTime to compute dlsr (instead of NTP time) 2005-03-24 David Sugar * src/queue.cpp: some fix on digest to kill embedded class export and fix for compilers weak (broken) on namespace support. 2005-03-23 Federico Montesino Pouzols * src/ccrtp/oqueue.h, src/outqueue.cpp: destinationCounter eventually replaced with the size method of std::list. * src/rtppkt.cpp: padding calculation fixed. 2005-03-22 David Sugar * configure.ac: bumped version up for next release to 1.3.0, rather than 1.2.3 since library dependencies are now different, and with list changes, class abi also will be different. Also happens to match commoncpp2 1.3.x release versions nicely! * src/ccrtp/oqueue.h, src/outqueue.cpp: added appearently missing "destinationCounter" to DestinationList object, init 0, inc on add, sub on remove. 2005-03-20 Federico Montesino Pouzols * src/ccrtp/rtppkt.h, src/rtppkt.cpp: added 'padsize' parameter to OutgoingRTPPkt and RTPPacket constructors. RTPPacket::RTPPacket modified for variable padding lengths. * src/ccrtp/oqueue.h, src/outqueue.cpp: added setPadding(uint8), modified OutgoingDataQueue::OutgoingDataQueue(). * src/ccrtp/oqueue.h, src/outqueue.cpp, src/control.cpp: applied the patch from Dan Weber to use std::list instead of the handcrafted destinationList (destinationCounter also replaced with size()). The minimal std::list-like template is still TODO! * Some work to remove dependency on libccext by copying the md5 code from Common C++ to ccRTP: - src/private.h: do not include - src/queue.cpp: copy (and minor tweaks) md5 parts of digest.h and md5.cpp from cc++ - libccrtp1.pc.in: require libccgnu2 instead of libccext2 - src/Makefile.am: added LIBS= @GNULIBS@ to avoid linking to libccext2 - Directory w32/cape/: ccrtp1.vcproj, ccrtp1.dsp, rtphello.vcproj, rtphello.dsp, rtplisten.vcproj, rtplisten.dsp, rtpsend.vcproj, rtpsend.dsp: removed ccext2.lib 2005-03-02 David Sugar * libccrtp1.pc.in: updated for cc++ >= 1.3.0 2005-02-28 Federico Montesino Pouzols * configure.ac: require cc++ >= 1.3.0. * src/outqueue.cpp: (DestinationListHandler::removeDestinationFromList) fixed removal of destination addresses. 2005-02-11 David Sugar * configure.ac: version bumped to 1.2.2 * w32/cape{...}: support for CAPE debug project installs * src/ccrtp/rtp.h, src/pool.cpp: "startRunning" is also virtual and requires some special handling or it will not link in vs.net when using debug mode options... 2005-02-10 Federico Montesino Pouzols * doc/ccrtp.texi: 'Clossing Sessions' extended and clarified. * src/ccrtp/rtp.h, src/control.cpp: doc clarifications and updates to RFC 3550/3551. 2005-02-07 David Sugar * configure.ac: release 1.2.1 2005-02-06 David Sugar * cape vs.net projects added. * src/control.cpp: some casting fixups for fixed size data types. fractionLost is a uint8 and so does not need to pass through htonx stuff. * src/ccrtp/ioqueue.h: satisfy dominenance by asserting RTPDataQueue which inherets renewLocalSSRC through both iqueue and oqueue now refers explicity to the iqueue one. * src/ccrtp/rtp.h: inheritence issues for gcc 3.4 support in templated RTP class. * src/ccrtp/rtppkt.h, queuebase.h: some explicit type conversions added. * src/ccrtp/channel.h: ccioctl now uses "SOCKET" rather than pure int type, w32 returns 0. * src/incqueue.cpp: explicit type casts added. "count" seems unused in getData. * src/queue.cpp: should we avoid casting address to 32 bit object?? * src/rtppkt.cpp: explicit typecasts added as needed. 2005-01-28 David Sugar * libccrtp1.pc.in: fix for pkgconfig dependency on libccext2. 2005-01-24 David Sugar * reconfig: getting to work generically and rh7 specific * updated headers/source files with "runtime" exception notice for consistency in exception language. 2005-01-20 David Sugar * libccrtp1.pc[.in], configure.ac: pkgconfig file generated for libccrtp1 * Makefile.am, w32/Makefile.am, doc/Makefile.am: stripped out symlink stuff for w32 since "cape.exe" installer provides known directory location for w32 installed versions of GNU Common C++. * configure.ac: version bumped to 1.2.0. * getRawTimestamp() was not needed after all, change unmade. * src/ccrtp/rtppkt.h: definitions for rfc2833 telephony payloads. 2005-01-16 David Sugar * src/ccrtp/iqueue.h: virtual methods for packet filtering were hidden as private; made protected so they can be used. * src/ccrtp/rtppkt.h: getRawTimestamp needed for packet filtering. 2005-01-10 Federico Montesino Pouzols * src/control.cpp: (QueueRTCPManager::getBYE) patch from Michel de Boer to avoid calling onGotGoodbye with NULL as value for reason. * doc/ccrtp.texi: added note on threads, sockets, and sessions. 2004-11-28 David Sugar * src/private.h: ignore config.h if pure w32 unpack from cvs * w32/cape/...: new w32 build tree for combined CAPE Framework installer. 2004-11-22 Federico Montesino Pouzols * src/ccrtp/rtp.h: fixed bug in error handling, TRTPSessionbase::leaveGroup * src/ccrtp/channel.h: fixed to compile with cc++ ipv6 support. * src/outqueue.cpp: fixed two bugs in DestinationListHandler::removeDestinationFromList (reported by Sigrid Thijs). * src/ccrtp/formats.h, src/rtppkt.cpp: fixed PayloadFormat::setPayloadType (reported by Sigrid Thijs) that failed with dynamic types. The static range is now enforced in StaticPayloadFormat::StaticPayloadFormat. 2004-11-14 David Sugar * configure.ac: standardized autoconfiguring a bit including shell issues with freebsd. 2004-11-11 David Sugar * m4/ost_debug.m4 and debug support added. * configure.in moved to configure.ac. 2004-06-01 Federico Montesino Pouzols * src/ccrtp/queuebase.h: doc clarifications. 2004-05-19 David Sugar * ccrtp.spec.in: allow .la files to be included. 2004-05-09 David Sugar * src/ccrtp/channel.h: use UDPSocket::setPeer with cast rather than re-impliment to support future merged ipv4/ipv6 release. 2004-05-05 David Sugar * reconfig: can use $ACLOCALDIR for extra m4 path. 2004-04-21 David Sugar * all sources; fixed namespace ending on }; for pedonic gcc-3.4 2004-04-15 David Sugar * src/Makefile.am: changes for unsupported autoconf AM_LDFLAGS. 2004-03-30 David Sugar * src/rtppkt.cpp, src/members.cpp, src/outqueue.cpp, src/queue.cpp, src/rtcppkt.cpp, src/source.cpp: support source build where exceptions have been disabled. * src/pool.cpp: header file include order changed for qnx6 build. 2004-03-15 Federico Montesino Pouzols * src/source.cpp: (findusername): fixed username initialization, from Guillaume Glodas. * src/ccrtp/rtp.h: SingleThreadRTPSession::run: fixed timeout checks, from Guillaume Glodas. 2004-03-10 Federico Montesino Pouzols * demo/rtplisten.cpp: print payload type field. 2004-01-28 David Sugar * configure: use ~/.configure as means to hold default configure options when configure invoked without options. 2004-01-24 Federico Montesino Pouzols * src/ccrtp/rtp.h: (TRTPSessionBase and SingleThreadRTPSession): added iface optional parameter to multicast RTP session constructors, so that it is possible to specify which interface to add to multicast groups. * src/ccrtp/iqueue.h, src/incqueue.cpp: added IncomingDataQueue::getDefaultMembersSize(). * doc/ccrtp.texi: more docs. 2004-01-18 Federico Montesino Pouzols * src/ccrtp/sources.h, src/source.cpp, src/control.cpp: added RTPApplication::getParticipant, used in QueueRTCPManager::onGotSDESChunk to lookup participants by CNAME. * demo/ccrtptest.cpp: added the class PacketsPattern. * doc/ccrtp.texi: more explanations on headers. * src/ccrtp/cqueue.h, src/ccrtp/oqueue.h, src/ccrtp/rtcppkt.h, src/control.cpp: doc cleanup (@todos). * demo/audiorx.cpp, demo/rtplisten.cpp: small additions. 2004-01-17 Federico Montesino Pouzols * src/ccrtp/oqueue.h: added to OutgoingDataQueue methods for CSRC handling (addContributor and removeContributor). * src/ccrtp/queuebase.h: added to AppDataUnit methods for accessing CSRC (getContributorsCount and getContributorsID) * src/ccrtp/rtp.h, src/ccrtp/channel.h: added support for symmetric RTP (SymmetricRTPSession). * src/ccrtp/ioqueue.h, src/ccrtp/rtp.h: startStack renamed to enableStack to avoid confussion with startRunning. * src/control.cpp: fixed a bug in SDES items type and length processing (QueueRTCPManager::onGotSDESChunk). This bug could cause crashes when iterating through the participants list. * src/incqueue.cpp: fixed jitter computation in IncomingDataQueue::recordReception. * doc/ccrtp.texi: updated to new RFCs 355x * demo/ccrtptest.cpp, demo/Makefile.am, src/private.h: added a simple test program. 2003-12-26 David Sugar * configure.in, w32/Makefile.am: support for new configure --with-commoncpp=dir option to link Common C++ source files for w32 specific builds, and ability to "make dist" either with or without extra w32 files linked in. One can also "disable" redistribution of Common C++ files in ccrtp by using either --without-commoncpp, or by specifying an invalid directory. 2003-12-20 David Sugar * Makefile.am, doc/Makefile.am, configure.in: we now regerate doxygen documentation automatically as part of "make" if doxygen is installed. Hence, we no longer distribute pre-generated doxy stuff in the tarball. 2003-11-15 David Sugar * src/private.h, src/queue.cpp, src/source.cpp, src/ccrtp/base.h src/ccrtp/ext.h: re-arranged headers and dependencies on common C++ headers so use of includes and symbol exports would be correct per Common C++ 1.1. 2003-10-30 Federico Montesino Pouzols * src/ccrtp/iqueue.h, src/incqueue.cpp: corrected members counter initialization. 2003-10-21 Federico Montesino Pouzols * src/control.cpp: (QueueRTCPManager::computeRTCPInterval): fixed the RTCP interval randomization code. 2003-10-20 Federico Montesino Pouzols * src/control.cpp, src/queue.cpp: added checks for extreme control bandwidth values that can cause divided by zero exceptions. 2003-09-23 Federico Montesino Pouzols * src/source.cpp: (RTPApplication::removeParticipant): fixed a bug at first participant addition. * src/ccrtp/rtp.h, src/incqueue.cpp, src/outqueue.cpp: fixed minor signed/unsigned inconsistencies 2003-07-03 Federico Montesino Pouzols * src/ccrtp/rtp.h: (TRTPSessionBase::build, mcast version): fixed multicast bind/join, from Luuk van Dijk. 2003-06-20 David Sugar * src/Makefile.am, phone/Makefile.am, demo/Makefile.am: fix for current automake/autoconf systems 2003-06-09 David Sugar * m4/ost_endian.m4: updated for modern autoconf/automake systems * acconfig.h: eliminated * configure.in: updated based on modern autoconf issues * reconfig: support for macosx and multi-version autoconf * Release 1.0.2 2003-05-14 Federico Montesino Pouzols * src/ccrtp/sources.h: SyncSource::isSender made const. * doc/ccrtp.texi: fixes and additions. 2003-05-10 Federico Montesino Pouzols * configure.in, acconfig.h, src/queue.cpp: removed the AC_CHECK_FILE for /dev/urandom so as to allow cross-compilation. * demo/rtplisten.cpp: modified to recognize mcast addresses. * src/ccrtp/ext.h: fixed RTPDuplex::getNextDataPacketSize so that it compiles even though UDPReceive::getReceiver is not const, which will not be an issue with cc++2 versions newer than 1.0.9. 2003-04-24 David Sugar * Some compile checks and 1.0.1 release (corrected timeline). 2003-04-04 Federico Montesino Pouzols * src/ccrtp/channel.h: (RTPBaseUDPIPv4Socket::join): call Socket::join, instead of UDPSocket::join in order to avoid conflicts with the new join added to releases of common c++ later than 1.0.8. * win32/msvcpp/demo/rtphello.dsp, win32/msvcpp/demo/rtpsend.cpp, win32/msvcpp/demo/rtplisten.dsp: link ws2_32.lib. * src/source.cpp: avoid access violation in the win32 version of findusername, from Christian Steindl. 2003-04-02 Federico Montesino Pouzols * src/ccrtp/rtp.h: (TRTPSocketBase::endSocket): free cso and dso. 2003-03-24 David Sugar * What the heck, it's long overdue...1.0.0 release 2003-03-22 Federico Montesino Pouzols * win32/msvcpp/ccrtp1.dsp: fixed debug project linking settings. * src/outqueue.cpp: (OutgoingDataQueue::getSchedulingTimeout) avoid overflow when calculating next send time. 2003-02-03 Federico Montesino Pouzols * src/ccrtp/rtp.h: fixes for multicast methods of TRTPSessionBase. 2003-01-25 David Sugar * configure.in updated for new pre-release * ext.h fixed for older gcc compile 2003-01-12 Federico Montesino Pouzols * doc/fdl.texi, doc/fdlnotice.texi: updated to FDL 1.2. * src/ccrtp/formats.h, src/ccrtp/rtppkt.h, src/ccrtp/rtcppkt.h, src/ccrtp/iqueue.h, src/ccrtp/oqueue.h, src/queue.cpp: fixes for ANSI C++ warnings. * src/ccrtp/rtp.h, src/ccrtp/ext.h, src/socket.cpp, src/ccrtp/channel.h, src/ccrtp/socket.h: socket.h renamed to channel.h in order to avoid name conflict with cc++2/socket.h's man page. * src/queue.cpp: (RTPDataQueue::getCurrentTimestamp): fixed signed/unsigned bug, reported by Guillaume Fraysse. * configure.in, src/Makefile.am, demo/Makefile.am, phone/Makefile.am: gcc flags for ANSI C++. 2002-11-27 David Sugar * modify spec file for rpm build * release 1.0pre1 prep work 2002-11-24 Federico Montesino Pouzols * src/cc++/rtp is now src/ccrtp. * src/queue.cpp, src/control.cpp, src/cc++/rtp/ioqueue.h: use size parameter for IncomingDataQueue constructor. * demo/rtplisten.cpp: added onNewSyncSource redefinition. * src/incqueue, src/controll.cpp: check that onNewSyncSource is called only once for any source. 2002-11-03 Federico Montesino Pouzols * src/control.cpp: (takeInControlPacket): source stats init. * src/cc++/rtp/rtcppkt.h, src/control.cpp: new methods for RTCPPacket: getLength and getSSRC. 2002-10-31 Federico Montesino Pouzols * src/cc++/rtp/queuebase.h, src/queue.cpp, src/outqueue.cpp, src/control.cpp: added localSSRCNetwork and reladed methods. * demo/rtplisten.cpp: added onGotGoodbye virtual redefinition. * src/control.cpp: (takeInControlPacket), (getOnlyBye), (getBye) fixed. 2002-10-28 Federico Montesino Pouzols * src/source.cpp, src/cc++/rtp/sources.h: participants implementation completed. * src/cc++/rtp/rtp.h: send BYE in session destructor. * src/control.cpp: fixed RTCP header init. bug in dispatchBYE. 2002-10-27 Federico Montesino Pouzols * src/cc++/rtp/iqueue.h, src/members.cpp: SR and RR info are stores as unsigned char* instead of void* * src/private.h: added tags for rtpsend and rtplisten demos. 2002-10-26 Federico Montesino Pouzols * src/cc++/queuebase.h: include only pointer.h instead of template.h. * src/cc++/iqueue.h, src/incqueue.h, src/control.h: store jitter as float. 2002-10-24 Federico Montesino Pouzols * src/cc++/queuebase.h: added getDefaultMaxSendSegmentSize() and getMaxSendSegmentSize() to OutgoingDataQueueBase. * src/outqueue.cpp: (OutgoingDataQueue::putData) segment data blocks depending on getMaxSendSegmentSize. * doc/ccrtp.texi: extended "Sending Data" subsection. * src/cc++/rtp/iqueue.h: initSequence now inits maxSeqNum and badSeqNum. 2002-10-23 Federico Montesino Pouzols * src/control.cpp: BYE packets are now correctly sent with a preceding RR in the compound. * src/cc++/cqueue.h, src/control.cpp: new method QueueRTCPManager::sendControlToDestinations. * src/cc++/iqueue.h: initialize Members::members to 1. 2002-10-22 Federico Montesino Pouzols * doc/Makefile.am, doc/srcmodel.txt, doc/srcmodel.dia, doc/ccrtp.texi: added initial manual. * doc/Doxyfile: added ../demo to EXAMPLE_PATH. * src/cc++/rtp/ioqueue.h: added getDefaultSessionBandwidth and getSessionBandwidth to QueueRTCPManager. * src/queue.cpp: added defaultSessionBw constant. * src/control.cpp computeRTCPInterval now takes into account the session total bandwith. 2002-10-21 Federico Montesino Pouzols * ccRTP has been rewritten. This changelog summarizes the most important changes. Read it from bottom up. * src/cc++/rtp/cqueue.h, src/control.cpp: getSDES splitted into onGotSDES and a new virtual: onGotSDESChunk. * src/cc++/rtp.h, control.cpp: added/updated onGotSR, onGotRR, onGotAPP, onGotRRSRExtension and onSSRCCollision plug-in to QueueRTCPManager class. * src/cc++/rtp/oqueue.h, src/cc++/rtp/iqueue.h, src/cc++/cqueue.h: readData, writeData, readControl and writeControl virtuals from RTPQueue renamed to recvData, sendData, recvControl and sendControl, respectively. recvData now provided the source transport address. Added new getNextDataPacketSize virtual. * src/cc++/rtp/pool.h, src/pool.cpp: added experimental "RTP session pool" implementation. * src/cc++/rtp/rtp.h: T_RTPSocket has been replaced with TRTPSessionBase, which does not include any threading mechanism and uses the new socket classes defined in src/cc++/rtp/socket.h. New template class SingleThreadRTPSession. Its run method is implemented using the new QueueRTCPManager::controlReceptionService, QueueRTCPManager::controlTransmissionService, IncomingDataQueue::takeInDataPacket OutgoingDataQueue::dispatchDataPacket. * src/cc++/rtp/cqueue.h: added class AVPQueue. * src/cc++/rtp/socket.h: new class RTPBaseUDPIPv4Socket, and template class DualRTPChannel. * src/cc++/rtp/oqueue.h, src/outqueue.cpp: new class DestinationListHandler. * src/cc++/rtp/iqueue.h, src/incqueue.cpp: class IncomingDataQueue splitted from the old RTPQueue class. * src/cc++/rtp/iqueue.h, src/outqueue.cpp: class OutgoingDataQueue spllited from the old RTPQueue class. * src/cc++/rtp/iqueue.h: MembershipControl is now MembershipBookkeeping, inherits from the xxxHandler classes and defines nested structures IncomingRTPPktLink and SyncSourceLink, for packets/sources lists and hash table. * src/cc++/rtp/iqueue.h: new classes SyncSourceHandler, ParticipantHandler, ApplicationHandler and ConflictHandler. * src/cc++/rtp/queuebase.h, src/data.cpp: new class AppDataUnit * src/cc++/rtp/queuebase.h, src/queue.cpp: new class RTPQueueBase. * src/cc++/rtp/queuebase.h, src/outqueue.cpp: new class OutgoingDataQueueBase. * src/cc++/rtp/queuebase.h, src/incqueue.cpp: new class IncomingDataQueueBase. * src/cc++/rtp/sources.h, src/source.cpp: new classes SDESItemsHolder, RTPApplication and Participant. RTPSource has been replaced with SyncSource. * src/cc++/rtp/rtcppkt.h, src/rtcppkt.cpp: RTCPCompoundHandler moved and updated. New classes RTCPReceiverInfo and RTCPSenderInfo. * src/c++/rtp/rtppkt.h, src/rtppkt.cpp: RTPPacket, IncomingRTPPkt and OutgoingRTPPkt moved and updated. * src/cc++/rtp/formats.h, src/rtppkt.cpp: Added new PayloadType typedef, and classes PayloadFormat, DynamicPayloadFormat and StaticPayloadFormat. The old PayloadType enumeration is now called StaticPayloadType and has been changed. * src/cc++/rtp/base.h: common consts and routines. * src/incqueue.cpp, src/outqueue.cpp: splitted from queue.cpp with a lot of new stuff. * src/packet.cpp: splitted into rtppkt.cpp and rtcppkt.cpp * win32/msvcpp/: added GNUccRTP workspace for ccRTP, and ccRTPdemo workspace for demos. * win32/mingw32/: added mingw32 cross-compiling makefile. * demo/: Makefile.am and demos updated for CC++ 2 and ccRTP 1.0. * phone/: updated for 1.0. * doc/Doxyfile, doc/Doxyman: added src/cc++/rtp to INPUT. * doc/fdl.texi, fdlnotice.texi, doc/gpl.texi, doc/srcmodel.txt, doc/srcmodel.dia: added for ccRTP manual. * Makefile.am: added COPYING.addendum to EXTRA_DIST, and -Wall. * acconfig.h: HAVE_DEV_URANDOM. * configure.in, src/Makefile.am, src/rtp.h, src/rtpext.h: public headers splitted and moved to src/cc++/rtp/. * configure.in: REQUIRES="1.0.0", check for /dev/urandom and cleaned up some headers checks. 2002-07-29 David Sugar (from 0.9.1 to 0.9.2) * Updated build for Hammer (x86-64) support. 2002-02-18 David Sugar (from 0.7.2 to 0.7.3) * Solaris target compile support. 2001-12-28 David Sugar (from 0.7.1 to 0.7.2) * src/rtp.h: header fixups for newer Common C++ * application of Debian patch for gcc 3.0. 2001-11-28 Federico Montesino (from 0.6.2 to 0.6.3) * src/members.cpp: fixed a bug in RTPSource::addNewSource(uint32) (the collision list was wrongly modified when inserting new sources). * src/queue.cpp: fixed a serious bug (incomplete initialization) in RTPQueue::RTPQueue(int, uint32) and RTPQueue::initQueue. * UDPIPv4Socket now inherits from both UDPReceive and UDPTransmit, instead of only UDPSocket. Inheriting only from UDPSocket is an error I introduced in 0.6.0. This change is necessary to avoid receiving/transmitting collisions, specially when two applications in the same host talk to each other through the same port numbers. * src/socket.cpp: UDPIPv4Socket::Connect(const InetAddress&, tpport_t) removed as a result of the change listed up here. * demo/Makefile.am, demo/rtpsend.cpp and demo/rtplisten.cpp: added new demo apps * COPYING.addendum: added (the same as the Common C++ one) * src/rtp.h: rearranged Members class. * src/control.cpp: QueueRTCPManager::getOnlyBye() has been filled in. * src/rtp.h, src/control.cpp: static const data members initialization moved from rtp.h to control.cpp to avoid VC++ complaints. * src/rtp.h: T_RTPSocket::leaveGroup(const InetMcastAddress&) fixed (now calls to setMulticast(false), instead of setMulticast(true)). * src/rtp.h: Template T_RTPSocket updated from __EXPORT to CCXX_CLASS_EXPORT * src/rtp.h, control.cpp and packet.cpp: RTP_VERSION is now called CCRTP_VERSION to avoid name conflicts with other stacks * src/rtp.h and src/queue.h: the "data" parameter of putPacket is now const. 2001-11-27 David Sugar (from 0.7.0 to 0.7.1) * fixed memory leaks in sdes and bye string builds. * added functional virtuals for session control start and stop. * created start of "phone" user agent. 2001-11-02 David Sugar (from 0.6.2 to 0.7.0) * addition of namespace support and changes for Common C++ 1.9.0. 2001-10-15 David Sugar (from 0.6.1 to 0.6.2) * fixed include files in demo apps. 2001-10-14 E. Stuart Hicks (from 0.6.1 to 0.6.2) * minor patch to compile on older gcc releases. 2001-10-07 David Sugar (from 0.6.0 to 0.6.1) * ccRTP becomes a GNU package. 2001-09-20 David Sugar (from 0.6.0 to 0.6.1) * new virtuals to trap and filter packet queue expiration. 2001-09-02 Federico Montesino (from 0.5.1 to 0.6.0) * configure.in: added check for nana support (configure --with-nana, for testing), stdlib.h and sys/utsname.h * src/Makefile.am: updated to make the following: * src/rtpext.h: new public header containing the declarations needed to make low level packet filtering and stack extensions. * rtp.h: many new methods and changes in the class hierarchy (to add MembershipControl, QueueRTCPManager and the template T_RTPSocket) * New files src/members.cpp, src/data.cpp and src/source.cpp with the implementation of MembershipControl, RTPData and RTPSource classes, respectively * src/control.cpp: now includes the implementation of QueueRTCPManager. * src/socket.cpp: now includes the implementation of UDPIPv4Socket and could include the implementation of other kind of socket classes used to instantiate T_RTPSocket. * Rearranged the doxygen tags and configuration (and changes in src/private.h) so that the introductory README, the TODO list and the examples under demo/ are included in the documentation. Added some comments both for API and implementation. 2001-08-22 David Sugar (from 0.5.0 to 0.5.1) * expose private packet structures externally. 2001-06-21 David Sugar (from 0.4.1 to 0.5.0) * added const for address handlers. * added queue Purge function. * extended queue i/o services and support for sequence and timestamp initialization/signatures. * added millisecond timeclock for stack time synhronization. * added RTCP event messages as virtuals. 2001-04-23 David Sugar (from 0.4.0 to 0.4.1) * added virtual handler for timer tick driven code. * added patches and demo apps from Federico. from 0.3.2 to 0.4.0 David Sugar * fixed version test. * added virtual handler to process packet "events". from 0.3.1 to 0.3.2 David Sugar * some win32 things. * new common c++ version check. from 0.3.0 to 0.3.1 David Sugar * some header fixups. from 0.2.2 to 0.3.0 David Sugar * merged with Common C++ updates and new Common C++ UDP classes. from 0.2.1 to 0.2.2 David Sugar * use of sequence and marker checks to allow application to determine if assembled multi-sequence packets are "complete" or missing data. * reorganized class structure to allow more malleable assembly of different kinds of RTP session classes. from 0.2.0 to 0.2.1 David Sugar * add support to strip "padding" on receiver side. * add packet reassembly of multi-segment packets. * add getPayloadSize capability. * add setPartial to update a pending (multi-channel) frame. * RTPSocket "broken" constructor fixed. from 0.1.0 to 0.2.0 David Sugar * set SO_REUSEADDR for rtcp socket. * added RTCP scheduling points to service thread. * added expiration of outgoing packets which have been "delayed" or "blocked". * handling of sending to blocked or conjested outbound socket queues. * RTPSocket uses non-blocking send for conjuestion test. from 0.0.1 to 0.1.0 David Sugar * restructured class hierarchy to add new RTPQueue so that we have a generic base for creating different RTP socket types. * RTPDuplex added. ccrtp-2.0.6/COPYING.addendum0000664000175000017500000000211111767643350012377 00000000000000As a special exception, you may use this file as part of a free software library without restriction. Specifically, if other files instantiate templates or use macros or inline functions from this file, or you compile this file and link it with other files to produce an executable, this file does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. This exception applies only to the code released under the name GNU ccRTP. If you copy code from other releases into a copy of GNU ccRTP, as the General Public License permits, the exception does not apply to the code that you add in this way. To avoid misleading anyone as to the status of such modified files, you must delete this exception notice from them. If you write modifications of your own for GNU ccRTP, it is your choice whether to permit this exception to apply to your modifications. If you do not wish that, delete this exception notice. ccrtp-2.0.6/libccrtp.spec.in0000664000175000017500000000650311767643350012660 00000000000000# # spec file for package libccrtp (Version 1.6.2) # # Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany. # # All modifications and additions to the file contributed by third parties # remain the property of their copyright owners, unless otherwise agreed # upon. The license for this file, and modifications and additions to the # file, is the same license as for the pristine package itself (unless the # license for the pristine package is not an Open Source License, in which # case the license is the MIT License). An "Open Source License" is a # license that conforms to the Open Source Definition (Version 1.9) # published by the Open Source Initiative. # Please submit bugfixes or comments via http://bugs.opensuse.org/ # # norootforbuild Name: libccrtp BuildRequires: commoncpp2-devel gcc-c++ openssl-devel pkgconfig Url: http://www.gnu.org/software/ccrtp/ License: GPL v3 or later Group: System/Libraries BuildRoot: %{_tmppath}/%{name}-%{version}-build AutoReqProv: on Summary: A Common C++ Class Framework for RTP Packets Version: @VERSION@ Release: 2 Source0: ccrtp-%{version}.tar.bz2 Source1: rpmlintrc # Patch1: ccrtp-gcc43.diff %description The ccrtp package offers a generic framework for sending and receiving real-time streaming data over UDP packets using sending and receiving packet queues. Authors: -------- David Sugar Frederico Montesino Pouzols %package -n libccrtp2 License: GPL v3 or later Group: System/Libraries Summary: A Common C++ Class Framework for RTP Packets Provides: ccrtp = %{version} Provides: %{name} = %{version} Obsoletes: ccrtp <= %{version} Obsoletes: %{name} <= %{version} %description -n libccrtp2 The ccrtp package offers a generic framework for sending and receiving real-time streaming data over UDP packets using sending and receiving packet queues. Authors: -------- David Sugar Frederico Montesino Pouzols %package devel License: GPL v3 or later Summary: Include-files and documentation for ccrtp Group: Development/Libraries/Other Requires: %{name} = %{version} commoncpp2-devel PreReq: %install_info_prereq %description devel This package contains files needed when developing applications using ccrtp Authors: -------- David Sugar Frederico Montesino Pouzols %prep %setup -q -n ccrtp-%version # %patch1 %build %configure --with-pic --disable-static --with-gnu-ld make %install make DESTDIR=$RPM_BUILD_ROOT install (cd doc; make DESTDIR=$RPM_BUILD_ROOT install) rm -f %{buildroot}%{_libdir}/libccrtp.la %clean rm -rf $RPM_BUILD_ROOT; %post -n libccrtp2 -p /sbin/ldconfig %postun -n libccrtp2 -p /sbin/ldconfig %files -n libccrtp2 %defattr(-,root,root,0755) %_libdir/libccrtp*.so.* %files devel %defattr(-,root,root,0755) %doc AUTHORS COPYING NEWS README TODO ChangeLog %_libdir/libccrtp*.so %_libdir/pkgconfig/libccrtp.pc %dir %{_includedir}/ccrtp %{_includedir}/ccrtp/*.h %{_infodir}/ccrtp.info* %post devel %install_info --info-dir=%{_infodir} %{_infodir}/ccrtp.info.gz %postun devel %install_info_delete --info-dir=%{_infodir} %{_infodir}/ccrtp.info.gz %changelog ccrtp-2.0.6/ccrtp.list0000644000175000017500000000232312153104770011563 00000000000000# Directories... $prefix=/usr/local $exec_prefix=${prefix} $bindir=${exec_prefix}/bin $confdir=${prefix}/etc $docdir=/usr/local/doc $mandir=${prefix}/share/man $datadir=${prefix}/share $libdir=${exec_prefix}/lib $srcdir=. $includedir=${prefix}/include $infodir=${prefix}/share/info # Product information %product GNU C++ RTP Stack %version 2.0.6 -100 %copyright 2004 Federico Montesino Pouzols & Open Source Telecom Corporation %vendor Open Source Telecom Corp %license COPYING %readme README %description A Common C++ class framework for RTP/RTCP %requires commoncpp2 1.1 0 999.99.99p99 2147483647 d 0755 root root ${includedir}/ccrtp - f 0644 root root ${includedir}/ccrtp src/ccrtp/*.h f 0644 root root ${libdir} ./src/*.la f 0644 root root ${libdir} ./src/.libs/*.a %system darwin f 0644 root root ${libdir} ./src/.libs/libccrtp1-2.0.6.dylib l 0644 root root ${libdir}/libccrtp1.dylib libccrtp1-2.0.6.dylib l 0644 root root ${libdir}/libccrtp1.dylib-2.0.6.2.0.dylib libccrtp1-2.0.6.dylib %system freebsd f 0644 root root ${libdir} ./src/.libs/libccrtp1-.so.* %system linux solaris f 0644 root root ${libdir} ./src/.libs/libccrtp1-.so.*.*.* %system linux freebsd %postinstall /sbin/ldconfig %postremove /sbin/ldconfig %system all ccrtp-2.0.6/ccrtp-config.h0000644000175000017500000000645312153104770012312 00000000000000/* ccrtp-config.h. Generated from ccrtp-config.h.in by configure. */ /* ccrtp-config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #define HAVE_DLFCN_H 1 /* Define to 1 if you have the header file. */ /* #undef HAVE_DL_H */ /* Define to 1 if you have the header file. */ #define HAVE_GCRYPT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_INTTYPES_H 1 /* Define to 1 if you have the `nana' library (-lnana). */ /* #undef HAVE_LIBNANA */ /* Define to 1 if you have the header file. */ #define HAVE_MEMORY_H 1 /* Define to 1 if you have the header file. */ /* #undef HAVE_OPENSSL_AES_H */ /* Define to 1 if you have the header file. */ /* #undef HAVE_OPENSSL_BN_H */ /* Define to 1 if you have the header file. */ /* #undef HAVE_OPENSSL_SHA_H */ /* Define to 1 if you have the header file. */ #define HAVE_STDINT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STDLIB_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRINGS_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRING_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_STAT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_TYPES_H 1 /* Define to 1 if you have the header file. */ #define HAVE_UNISTD_H 1 /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #define LT_OBJDIR ".libs/" /* Name of package */ #define PACKAGE "ccrtp" /* Define to the address where bug reports for this package should be sent. */ #define PACKAGE_BUGREPORT "" /* Define to the full name of this package. */ #define PACKAGE_NAME "" /* Define to the full name and version of this package. */ #define PACKAGE_STRING "" /* Define to the one symbol short name of this package. */ #define PACKAGE_TARNAME "" /* Define to the home page for this package. */ #define PACKAGE_URL "" /* Define to the version of this package. */ #define PACKAGE_VERSION "" /* SRTP support */ #define SRTP_SUPPORT /**/ /* Define to 1 if you have the ANSI C header files. */ #define STDC_HEADERS 1 /* Version number of package */ #define VERSION "2.0.6" /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus /* #undef inline */ #endif /* Define to the equivalent of the C99 'restrict' keyword, or to nothing if this is not supported. Do not define if restrict is supported directly. */ #define restrict __restrict /* Work around a bug in Sun C++: it does not support _Restrict or __restrict__, even though the corresponding Sun C compiler ends up with "#define restrict _Restrict" or "#define restrict __restrict__" in the previous line. Perhaps some future version of Sun C++ will work with restrict; if so, hopefully it defines __RESTRICT like Sun C does. */ #if defined __SUNPRO_CC && !defined __RESTRICT # define _Restrict # define __restrict__ #endif /* Define to empty if the keyword `volatile' does not work. Warning: valid code using `volatile' can become incorrect without. Disable with care. */ /* #undef volatile */ ccrtp-2.0.6/ccrtp.list.in0000664000175000017500000000233411767643350012210 00000000000000# Directories... $prefix=@prefix@ $exec_prefix=@exec_prefix@ $bindir=@bindir@ $confdir=@sysconfdir@ $docdir=@prefix@/doc $mandir=@mandir@ $datadir=@datadir@ $libdir=@libdir@ $srcdir=@top_srcdir@ $includedir=@includedir@ $infodir=@infodir@ # Product information %product GNU C++ RTP Stack %version @VERSION@ -100 %copyright 2004 Federico Montesino Pouzols & Open Source Telecom Corporation %vendor Open Source Telecom Corp %license COPYING %readme README %description A Common C++ class framework for RTP/RTCP %requires commoncpp2 1.1 0 999.99.99p99 2147483647 d 0755 root root ${includedir}/ccrtp - f 0644 root root ${includedir}/ccrtp src/ccrtp/*.h f 0644 root root ${libdir} ./src/*.la f 0644 root root ${libdir} ./src/.libs/*.a %system darwin f 0644 root root ${libdir} ./src/.libs/libccrtp1-@VERSION@.dylib l 0644 root root ${libdir}/libccrtp1.dylib libccrtp1-@VERSION@.dylib l 0644 root root ${libdir}/libccrtp1.dylib-@VERSION@.@LT_SUBVER@.dylib libccrtp1-@VERSION@.dylib %system freebsd f 0644 root root ${libdir} ./src/.libs/libccrtp1-@LT_RELEASE@.so.* %system linux solaris f 0644 root root ${libdir} ./src/.libs/libccrtp1-@LT_RELEASE@.so.*.*.* %system linux freebsd %postinstall /sbin/ldconfig %postremove /sbin/ldconfig %system all ccrtp-2.0.6/autoconf/0000755000175000017500000000000012153105267011453 500000000000000ccrtp-2.0.6/autoconf/ltmain.sh0000644000175000017500000105202612153104756013223 00000000000000 # libtool (GNU libtool) 2.4.2 # Written by Gordon Matzigkeit , 1996 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, # 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. 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When passed as first option, # `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. # Try `$progname --help --mode=MODE' for a more detailed description of MODE. # # When reporting a bug, please describe a test case to reproduce it and # include the following information: # # host-triplet: $host # shell: $SHELL # compiler: $LTCC # compiler flags: $LTCFLAGS # linker: $LD (gnu? $with_gnu_ld) # $progname: (GNU libtool) 2.4.2 Debian-2.4.2-1.1 # automake: $automake_version # autoconf: $autoconf_version # # Report bugs to . # GNU libtool home page: . # General help using GNU software: . PROGRAM=libtool PACKAGE=libtool VERSION="2.4.2 Debian-2.4.2-1.1" TIMESTAMP="" package_revision=1.3337 # Be Bourne compatible if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # NLS nuisances: We save the old values to restore during execute mode. lt_user_locale= lt_safe_locale= for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${$lt_var+set}\" = set; then save_$lt_var=\$$lt_var $lt_var=C export $lt_var lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" fi" done LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL $lt_unset CDPATH # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath="$0" : ${CP="cp -f"} test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} : ${Xsed="$SED -e 1s/^X//"} # Global variables: EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. exit_status=$EXIT_SUCCESS # Make sure IFS has a sensible default lt_nl=' ' IFS=" $lt_nl" dirname="s,/[^/]*$,," basename="s,^.*/,," # func_dirname file append nondir_replacement # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. func_dirname () { func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi } # func_dirname may be replaced by extended shell implementation # func_basename file func_basename () { func_basename_result=`$ECHO "${1}" | $SED "$basename"` } # func_basename may be replaced by extended shell implementation # func_dirname_and_basename file append nondir_replacement # perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # Implementation must be kept synchronized with func_dirname # and func_basename. For efficiency, we do not delegate to # those functions but instead duplicate the functionality here. func_dirname_and_basename () { # Extract subdirectory from the argument. func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` } # func_dirname_and_basename may be replaced by extended shell implementation # func_stripname prefix suffix name # strip PREFIX and SUFFIX off of NAME. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). # func_strip_suffix prefix name func_stripname () { case ${2} in .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; esac } # func_stripname may be replaced by extended shell implementation # These SED scripts presuppose an absolute path with a trailing slash. pathcar='s,^/\([^/]*\).*$,\1,' pathcdr='s,^/[^/]*,,' removedotparts=':dotsl s@/\./@/@g t dotsl s,/\.$,/,' collapseslashes='s@/\{1,\}@/@g' finalslash='s,/*$,/,' # func_normal_abspath PATH # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. # value returned in "$func_normal_abspath_result" func_normal_abspath () { # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` while :; do # Processed it all yet? if test "$func_normal_abspath_tpath" = / ; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result" ; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_relative_path SRCDIR DSTDIR # generates a relative path from SRCDIR to DSTDIR, with a trailing # slash if non-empty, suitable for immediately appending a filename # without needing to append a separator. # value returned in "$func_relative_path_result" func_relative_path () { func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=${func_dirname_result} if test "x$func_relative_path_tlibdir" = x ; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test "x$func_stripname_result" != x ; then func_relative_path_result=${func_relative_path_result}/${func_stripname_result} fi # Normalisation. If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. 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But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Per Bothner. Please send patches (context # diff format) to and include a ChangeLog # entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. 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ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` case "$ALPHA_CPU_TYPE" in "EV4 (21064)") UNAME_MACHINE="alpha" ;; "EV4.5 (21064)") UNAME_MACHINE="alpha" ;; "LCA4 (21066/21068)") UNAME_MACHINE="alpha" ;; "EV5 (21164)") UNAME_MACHINE="alphaev5" ;; "EV5.6 (21164A)") UNAME_MACHINE="alphaev56" ;; "EV5.6 (21164PC)") UNAME_MACHINE="alphapca56" ;; "EV5.7 (21164PC)") UNAME_MACHINE="alphapca57" ;; "EV6 (21264)") UNAME_MACHINE="alphaev6" ;; "EV6.7 (21264A)") UNAME_MACHINE="alphaev67" ;; "EV6.8CB (21264C)") UNAME_MACHINE="alphaev68" ;; "EV6.8AL (21264B)") UNAME_MACHINE="alphaev68" ;; "EV6.8CX (21264D)") UNAME_MACHINE="alphaev68" ;; "EV6.9A (21264/EV69A)") UNAME_MACHINE="alphaev69" ;; "EV7 (21364)") UNAME_MACHINE="alphaev7" ;; "EV7.9 (21364A)") UNAME_MACHINE="alphaev79" ;; esac # A Pn.n version is a patched version. # A Vn.n version is a released version. # A Tn.n version is a released field test version. # A Xn.n version is an unreleased experimental baselevel. # 1.2 uses "1.2" for uname -r. echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` # Reset EXIT trap before exiting to avoid spurious non-zero exit code. exitcode=$? trap '' 0 exit $exitcode ;; Alpha\ *:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # Should we change UNAME_MACHINE based on the output of uname instead # of the specific Alpha model? echo alpha-pc-interix exit ;; 21064:Windows_NT:50:3) echo alpha-dec-winnt3.5 exit ;; Amiga*:UNIX_System_V:4.0:*) echo m68k-unknown-sysv4 exit ;; *:[Aa]miga[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-amigaos exit ;; *:[Mm]orph[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-morphos exit ;; *:OS/390:*:*) echo i370-ibm-openedition exit ;; *:z/VM:*:*) echo s390-ibm-zvmoe exit ;; *:OS400:*:*) echo powerpc-ibm-os400 exit ;; arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) echo arm-acorn-riscix${UNAME_RELEASE} exit ;; arm:riscos:*:*|arm:RISCOS:*:*) echo arm-unknown-riscos exit ;; SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) echo hppa1.1-hitachi-hiuxmpp exit ;; Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. if test "`(/bin/universe) 2>/dev/null`" = att ; then echo pyramid-pyramid-sysv3 else echo pyramid-pyramid-bsd fi exit ;; NILE*:*:*:dcosx) echo pyramid-pyramid-svr4 exit ;; DRS?6000:unix:4.0:6*) echo sparc-icl-nx6 exit ;; DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) case `/usr/bin/uname -p` in sparc) echo sparc-icl-nx7; exit ;; esac ;; s390x:SunOS:*:*) echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4H:SunOS:5.*:*) echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) echo i386-pc-auroraux${UNAME_RELEASE} exit ;; i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) eval $set_cc_for_build SUN_ARCH="i386" # If there is a compiler, see if it is configured for 64-bit objects. # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. # This test works for both compilers. if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then SUN_ARCH="x86_64" fi fi echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:6*:*) # According to config.sub, this is the proper way to canonicalize # SunOS6. Hard to guess exactly what SunOS6 will be like, but # it's likely to be more like Solaris than SunOS4. echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:*:*) case "`/usr/bin/arch -k`" in Series*|S4*) UNAME_RELEASE=`uname -v` ;; esac # Japanese Language versions have a version number like `4.1.3-JL'. echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` exit ;; sun3*:SunOS:*:*) echo m68k-sun-sunos${UNAME_RELEASE} exit ;; sun*:*:4.2BSD:*) UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 case "`/bin/arch`" in sun3) echo m68k-sun-sunos${UNAME_RELEASE} ;; sun4) echo sparc-sun-sunos${UNAME_RELEASE} ;; esac exit ;; aushp:SunOS:*:*) echo sparc-auspex-sunos${UNAME_RELEASE} exit ;; # The situation for MiNT is a little confusing. The machine name # can be virtually everything (everything which is not # "atarist" or "atariste" at least should have a processor # > m68000). The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. 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EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-gnueabi else echo ${UNAME_MACHINE}-unknown-linux-gnueabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; 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i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in i386) eval $set_cc_for_build if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then UNAME_PROCESSOR="x86_64" fi fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-unknown-esx exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". 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See the GNU % General Public License for more details. % % You should have received a copy of the GNU General Public License % along with this program. If not, see . % % As a special exception, when this file is read by TeX when processing % a Texinfo source document, you may use the result without % restriction. (This has been our intent since Texinfo was invented.) % % Please try the latest version of texinfo.tex before submitting bug % reports; you can get the latest version from: % http://www.gnu.org/software/texinfo/ (the Texinfo home page), or % ftp://tug.org/tex/texinfo.tex % (and all CTAN mirrors, see http://www.ctan.org). % The texinfo.tex in any given distribution could well be out % of date, so if that's what you're using, please check. % % Send bug reports to bug-texinfo@gnu.org. Please include including a % complete document in each bug report with which we can reproduce the % problem. Patches are, of course, greatly appreciated. % % To process a Texinfo manual with TeX, it's most reliable to use the % texi2dvi shell script that comes with the distribution. For a simple % manual foo.texi, however, you can get away with this: % tex foo.texi % texindex foo.?? % tex foo.texi % tex foo.texi % dvips foo.dvi -o # or whatever; this makes foo.ps. % The extra TeX runs get the cross-reference information correct. % Sometimes one run after texindex suffices, and sometimes you need more % than two; texi2dvi does it as many times as necessary. % % It is possible to adapt texinfo.tex for other languages, to some % extent. You can get the existing language-specific files from the % full Texinfo distribution. % % The GNU Texinfo home page is http://www.gnu.org/software/texinfo. \message{Loading texinfo [version \texinfoversion]:} % If in a .fmt file, print the version number % and turn on active characters that we couldn't do earlier because % they might have appeared in the input file name. \everyjob{\message{[Texinfo version \texinfoversion]}% \catcode`+=\active \catcode`\_=\active} \chardef\other=12 % We never want plain's \outer definition of \+ in Texinfo. % For @tex, we can use \tabalign. \let\+ = \relax % Save some plain tex macros whose names we will redefine. \let\ptexb=\b \let\ptexbullet=\bullet \let\ptexc=\c \let\ptexcomma=\, \let\ptexdot=\. \let\ptexdots=\dots \let\ptexend=\end \let\ptexequiv=\equiv \let\ptexexclam=\! \let\ptexfootnote=\footnote \let\ptexgtr=> \let\ptexhat=^ \let\ptexi=\i \let\ptexindent=\indent \let\ptexinsert=\insert \let\ptexlbrace=\{ \let\ptexless=< \let\ptexnewwrite\newwrite \let\ptexnoindent=\noindent \let\ptexplus=+ \let\ptexraggedright=\raggedright \let\ptexrbrace=\} \let\ptexslash=\/ \let\ptexstar=\* \let\ptext=\t \let\ptextop=\top {\catcode`\'=\active \global\let\ptexquoteright'}% active in plain's math mode % If this character appears in an error message or help string, it % starts a new line in the output. \newlinechar = `^^J % Use TeX 3.0's \inputlineno to get the line number, for better error % messages, but if we're using an old version of TeX, don't do anything. % \ifx\inputlineno\thisisundefined \let\linenumber = \empty % Pre-3.0. \else \def\linenumber{l.\the\inputlineno:\space} \fi % Set up fixed words for English if not already set. \ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi \ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi \ifx\putworderror\undefined \gdef\putworderror{error}\fi \ifx\putwordfile\undefined \gdef\putwordfile{file}\fi \ifx\putwordin\undefined \gdef\putwordin{in}\fi \ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi \ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi \ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi \ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi \ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi \ifx\putwordNoTitle\undefined \gdef\putwordNoTitle{No Title}\fi \ifx\putwordof\undefined \gdef\putwordof{of}\fi \ifx\putwordon\undefined \gdef\putwordon{on}\fi \ifx\putwordpage\undefined \gdef\putwordpage{page}\fi \ifx\putwordsection\undefined \gdef\putwordsection{section}\fi \ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi \ifx\putwordsee\undefined \gdef\putwordsee{see}\fi \ifx\putwordSee\undefined \gdef\putwordSee{See}\fi \ifx\putwordShortTOC\undefined \gdef\putwordShortTOC{Short Contents}\fi \ifx\putwordTOC\undefined \gdef\putwordTOC{Table of Contents}\fi % \ifx\putwordMJan\undefined \gdef\putwordMJan{January}\fi \ifx\putwordMFeb\undefined \gdef\putwordMFeb{February}\fi \ifx\putwordMMar\undefined \gdef\putwordMMar{March}\fi \ifx\putwordMApr\undefined \gdef\putwordMApr{April}\fi \ifx\putwordMMay\undefined \gdef\putwordMMay{May}\fi \ifx\putwordMJun\undefined \gdef\putwordMJun{June}\fi \ifx\putwordMJul\undefined \gdef\putwordMJul{July}\fi \ifx\putwordMAug\undefined \gdef\putwordMAug{August}\fi \ifx\putwordMSep\undefined \gdef\putwordMSep{September}\fi \ifx\putwordMOct\undefined \gdef\putwordMOct{October}\fi \ifx\putwordMNov\undefined \gdef\putwordMNov{November}\fi \ifx\putwordMDec\undefined \gdef\putwordMDec{December}\fi % \ifx\putwordDefmac\undefined \gdef\putwordDefmac{Macro}\fi \ifx\putwordDefspec\undefined \gdef\putwordDefspec{Special Form}\fi \ifx\putwordDefvar\undefined \gdef\putwordDefvar{Variable}\fi \ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi \ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi % Since the category of space is not known, we have to be careful. \chardef\spacecat = 10 \def\spaceisspace{\catcode`\ =\spacecat} % sometimes characters are active, so we need control sequences. \chardef\ampChar = `\& \chardef\colonChar = `\: \chardef\commaChar = `\, \chardef\dashChar = `\- \chardef\dotChar = `\. \chardef\exclamChar= `\! \chardef\hashChar = `\# \chardef\lquoteChar= `\` \chardef\questChar = `\? \chardef\rquoteChar= `\' \chardef\semiChar = `\; \chardef\slashChar = `\/ \chardef\underChar = `\_ % Ignore a token. % \def\gobble#1{} % The following is used inside several \edef's. \def\makecsname#1{\expandafter\noexpand\csname#1\endcsname} % Hyphenation fixes. \hyphenation{ Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script ap-pen-dix bit-map bit-maps data-base data-bases eshell fall-ing half-way long-est man-u-script man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces spell-ing spell-ings stand-alone strong-est time-stamp time-stamps which-ever white-space wide-spread wrap-around } % Margin to add to right of even pages, to left of odd pages. \newdimen\bindingoffset \newdimen\normaloffset \newdimen\pagewidth \newdimen\pageheight % For a final copy, take out the rectangles % that mark overfull boxes (in case you have decided % that the text looks ok even though it passes the margin). % \def\finalout{\overfullrule=0pt } % Sometimes it is convenient to have everything in the transcript file % and nothing on the terminal. We don't just call \tracingall here, % since that produces some useless output on the terminal. We also make % some effort to order the tracing commands to reduce output in the log % file; cf. trace.sty in LaTeX. % \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}% \def\loggingall{% \tracingstats2 \tracingpages1 \tracinglostchars2 % 2 gives us more in etex \tracingparagraphs1 \tracingoutput1 \tracingmacros2 \tracingrestores1 \showboxbreadth\maxdimen \showboxdepth\maxdimen \ifx\eTeXversion\thisisundefined\else % etex gives us more logging \tracingscantokens1 \tracingifs1 \tracinggroups1 \tracingnesting2 \tracingassigns1 \fi \tracingcommands3 % 3 gives us more in etex \errorcontextlines16 }% % @errormsg{MSG}. Do the index-like expansions on MSG, but if things % aren't perfect, it's not the end of the world, being an error message, % after all. % \def\errormsg{\begingroup \indexnofonts \doerrormsg} \def\doerrormsg#1{\errmessage{#1}} % add check for \lastpenalty to plain's definitions. If the last thing % we did was a \nobreak, we don't want to insert more space. % \def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount \removelastskip\penalty-50\smallskip\fi\fi} \def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount \removelastskip\penalty-100\medskip\fi\fi} \def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount \removelastskip\penalty-200\bigskip\fi\fi} % Do @cropmarks to get crop marks. % \newif\ifcropmarks \let\cropmarks = \cropmarkstrue % % Dimensions to add cropmarks at corners. % Added by P. A. MacKay, 12 Nov. 1986 % \newdimen\outerhsize \newdimen\outervsize % set by the paper size routines \newdimen\cornerlong \cornerlong=1pc \newdimen\cornerthick \cornerthick=.3pt \newdimen\topandbottommargin \topandbottommargin=.75in % Output a mark which sets \thischapter, \thissection and \thiscolor. % We dump everything together because we only have one kind of mark. % This works because we only use \botmark / \topmark, not \firstmark. % % A mark contains a subexpression of the \ifcase ... \fi construct. % \get*marks macros below extract the needed part using \ifcase. % % Another complication is to let the user choose whether \thischapter % (\thissection) refers to the chapter (section) in effect at the top % of a page, or that at the bottom of a page. The solution is % described on page 260 of The TeXbook. It involves outputting two % marks for the sectioning macros, one before the section break, and % one after. I won't pretend I can describe this better than DEK... \def\domark{% \toks0=\expandafter{\lastchapterdefs}% \toks2=\expandafter{\lastsectiondefs}% \toks4=\expandafter{\prevchapterdefs}% \toks6=\expandafter{\prevsectiondefs}% \toks8=\expandafter{\lastcolordefs}% \mark{% \the\toks0 \the\toks2 \noexpand\or \the\toks4 \the\toks6 \noexpand\else \the\toks8 }% } % \topmark doesn't work for the very first chapter (after the title % page or the contents), so we use \firstmark there -- this gets us % the mark with the chapter defs, unless the user sneaks in, e.g., % @setcolor (or @url, or @link, etc.) between @contents and the very % first @chapter. \def\gettopheadingmarks{% \ifcase0\topmark\fi \ifx\thischapter\empty \ifcase0\firstmark\fi \fi } \def\getbottomheadingmarks{\ifcase1\botmark\fi} \def\getcolormarks{\ifcase2\topmark\fi} % Avoid "undefined control sequence" errors. \def\lastchapterdefs{} \def\lastsectiondefs{} \def\prevchapterdefs{} \def\prevsectiondefs{} \def\lastcolordefs{} % Main output routine. \chardef\PAGE = 255 \output = {\onepageout{\pagecontents\PAGE}} \newbox\headlinebox \newbox\footlinebox % \onepageout takes a vbox as an argument. Note that \pagecontents % does insertions, but you have to call it yourself. \def\onepageout#1{% \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi % \ifodd\pageno \advance\hoffset by \bindingoffset \else \advance\hoffset by -\bindingoffset\fi % % Do this outside of the \shipout so @code etc. will be expanded in % the headline as they should be, not taken literally (outputting ''code). \ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}% \ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}% % {% % Have to do this stuff outside the \shipout because we want it to % take effect in \write's, yet the group defined by the \vbox ends % before the \shipout runs. % \indexdummies % don't expand commands in the output. \normalturnoffactive % \ in index entries must not stay \, e.g., if % the page break happens to be in the middle of an example. % We don't want .vr (or whatever) entries like this: % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}} % "\acronym" won't work when it's read back in; % it needs to be % {\code {{\tt \backslashcurfont }acronym} \shipout\vbox{% % Do this early so pdf references go to the beginning of the page. \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi % \ifcropmarks \vbox to \outervsize\bgroup \hsize = \outerhsize \vskip-\topandbottommargin \vtop to0pt{% \line{\ewtop\hfil\ewtop}% \nointerlineskip \line{% \vbox{\moveleft\cornerthick\nstop}% \hfill \vbox{\moveright\cornerthick\nstop}% }% \vss}% \vskip\topandbottommargin \line\bgroup \hfil % center the page within the outer (page) hsize. \ifodd\pageno\hskip\bindingoffset\fi \vbox\bgroup \fi % \unvbox\headlinebox \pagebody{#1}% \ifdim\ht\footlinebox > 0pt % Only leave this space if the footline is nonempty. % (We lessened \vsize for it in \oddfootingyyy.) % The \baselineskip=24pt in plain's \makefootline has no effect. \vskip 24pt \unvbox\footlinebox \fi % \ifcropmarks \egroup % end of \vbox\bgroup \hfil\egroup % end of (centering) \line\bgroup \vskip\topandbottommargin plus1fill minus1fill \boxmaxdepth = \cornerthick \vbox to0pt{\vss \line{% \vbox{\moveleft\cornerthick\nsbot}% \hfill \vbox{\moveright\cornerthick\nsbot}% }% \nointerlineskip \line{\ewbot\hfil\ewbot}% }% \egroup % \vbox from first cropmarks clause \fi }% end of \shipout\vbox }% end of group with \indexdummies \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi } \newinsert\margin \dimen\margin=\maxdimen \def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}} {\catcode`\@ =11 \gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi % marginal hacks, juha@viisa.uucp (Juha Takala) \ifvoid\margin\else % marginal info is present \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi \dimen@=\dp#1\relax \unvbox#1\relax \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi \ifr@ggedbottom \kern-\dimen@ \vfil \fi} } % Here are the rules for the cropmarks. Note that they are % offset so that the space between them is truly \outerhsize or \outervsize % (P. A. MacKay, 12 November, 1986) % \def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong} \def\nstop{\vbox {\hrule height\cornerthick depth\cornerlong width\cornerthick}} \def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong} \def\nsbot{\vbox {\hrule height\cornerlong depth\cornerthick width\cornerthick}} % Parse an argument, then pass it to #1. The argument is the rest of % the input line (except we remove a trailing comment). #1 should be a % macro which expects an ordinary undelimited TeX argument. % \def\parsearg{\parseargusing{}} \def\parseargusing#1#2{% \def\argtorun{#2}% \begingroup \obeylines \spaceisspace #1% \parseargline\empty% Insert the \empty token, see \finishparsearg below. } {\obeylines % \gdef\parseargline#1^^M{% \endgroup % End of the group started in \parsearg. \argremovecomment #1\comment\ArgTerm% }% } % First remove any @comment, then any @c comment. \def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm} \def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm} % Each occurrence of `\^^M' or `\^^M' is replaced by a single space. % % \argremovec might leave us with trailing space, e.g., % @end itemize @c foo % This space token undergoes the same procedure and is eventually removed % by \finishparsearg. % \def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M} \def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M} \def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% \def\temp{#3}% \ifx\temp\empty % Do not use \next, perhaps the caller of \parsearg uses it; reuse \temp: \let\temp\finishparsearg \else \let\temp\argcheckspaces \fi % Put the space token in: \temp#1 #3\ArgTerm } % If a _delimited_ argument is enclosed in braces, they get stripped; so % to get _exactly_ the rest of the line, we had to prevent such situation. % We prepended an \empty token at the very beginning and we expand it now, % just before passing the control to \argtorun. % (Similarly, we have to think about #3 of \argcheckspacesY above: it is % either the null string, or it ends with \^^M---thus there is no danger % that a pair of braces would be stripped. % % But first, we have to remove the trailing space token. % \def\finishparsearg#1 \ArgTerm{\expandafter\argtorun\expandafter{#1}} % \parseargdef\foo{...} % is roughly equivalent to % \def\foo{\parsearg\Xfoo} % \def\Xfoo#1{...} % % Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my % favourite TeX trick. --kasal, 16nov03 \def\parseargdef#1{% \expandafter \doparseargdef \csname\string#1\endcsname #1% } \def\doparseargdef#1#2{% \def#2{\parsearg#1}% \def#1##1% } % Several utility definitions with active space: { \obeyspaces \gdef\obeyedspace{ } % Make each space character in the input produce a normal interword % space in the output. Don't allow a line break at this space, as this % is used only in environments like @example, where each line of input % should produce a line of output anyway. % \gdef\sepspaces{\obeyspaces\let =\tie} % If an index command is used in an @example environment, any spaces % therein should become regular spaces in the raw index file, not the % expansion of \tie (\leavevmode \penalty \@M \ ). \gdef\unsepspaces{\let =\space} } \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next} % Define the framework for environments in texinfo.tex. It's used like this: % % \envdef\foo{...} % \def\Efoo{...} % % It's the responsibility of \envdef to insert \begingroup before the % actual body; @end closes the group after calling \Efoo. \envdef also % defines \thisenv, so the current environment is known; @end checks % whether the environment name matches. The \checkenv macro can also be % used to check whether the current environment is the one expected. % % Non-false conditionals (@iftex, @ifset) don't fit into this, so they % are not treated as environments; they don't open a group. (The % implementation of @end takes care not to call \endgroup in this % special case.) % At run-time, environments start with this: \def\startenvironment#1{\begingroup\def\thisenv{#1}} % initialize \let\thisenv\empty % ... but they get defined via ``\envdef\foo{...}'': \long\def\envdef#1#2{\def#1{\startenvironment#1#2}} \def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}} % Check whether we're in the right environment: \def\checkenv#1{% \def\temp{#1}% \ifx\thisenv\temp \else \badenverr \fi } % Environment mismatch, #1 expected: \def\badenverr{% \errhelp = \EMsimple \errmessage{This command can appear only \inenvironment\temp, not \inenvironment\thisenv}% } \def\inenvironment#1{% \ifx#1\empty outside of any environment% \else in environment \expandafter\string#1% \fi } % @end foo executes the definition of \Efoo. % But first, it executes a specialized version of \checkenv % \parseargdef\end{% \if 1\csname iscond.#1\endcsname \else % The general wording of \badenverr may not be ideal. \expandafter\checkenv\csname#1\endcsname \csname E#1\endcsname \endgroup \fi } \newhelp\EMsimple{Press RETURN to continue.} % Be sure we're in horizontal mode when doing a tie, since we make space % equivalent to this in @example-like environments. Otherwise, a space % at the beginning of a line will start with \penalty -- and % since \penalty is valid in vertical mode, we'd end up putting the % penalty on the vertical list instead of in the new paragraph. {\catcode`@ = 11 % Avoid using \@M directly, because that causes trouble % if the definition is written into an index file. \global\let\tiepenalty = \@M \gdef\tie{\leavevmode\penalty\tiepenalty\ } } % @: forces normal size whitespace following. \def\:{\spacefactor=1000 } % @* forces a line break. \def\*{\hfil\break\hbox{}\ignorespaces} % @/ allows a line break. \let\/=\allowbreak % @. is an end-of-sentence period. \def\.{.\spacefactor=\endofsentencespacefactor\space} % @! is an end-of-sentence bang. \def\!{!\spacefactor=\endofsentencespacefactor\space} % @? is an end-of-sentence query. \def\?{?\spacefactor=\endofsentencespacefactor\space} % @frenchspacing on|off says whether to put extra space after punctuation. % \def\onword{on} \def\offword{off} % \parseargdef\frenchspacing{% \def\temp{#1}% \ifx\temp\onword \plainfrenchspacing \else\ifx\temp\offword \plainnonfrenchspacing \else \errhelp = \EMsimple \errmessage{Unknown @frenchspacing option `\temp', must be on|off}% \fi\fi } % @w prevents a word break. Without the \leavevmode, @w at the % beginning of a paragraph, when TeX is still in vertical mode, would % produce a whole line of output instead of starting the paragraph. \def\w#1{\leavevmode\hbox{#1}} % @group ... @end group forces ... to be all on one page, by enclosing % it in a TeX vbox. We use \vtop instead of \vbox to construct the box % to keep its height that of a normal line. According to the rules for % \topskip (p.114 of the TeXbook), the glue inserted is % max (\topskip - \ht (first item), 0). If that height is large, % therefore, no glue is inserted, and the space between the headline and % the text is small, which looks bad. % % Another complication is that the group might be very large. This can % cause the glue on the previous page to be unduly stretched, because it % does not have much material. In this case, it's better to add an % explicit \vfill so that the extra space is at the bottom. The % threshold for doing this is if the group is more than \vfilllimit % percent of a page (\vfilllimit can be changed inside of @tex). % \newbox\groupbox \def\vfilllimit{0.7} % \envdef\group{% \ifnum\catcode`\^^M=\active \else \errhelp = \groupinvalidhelp \errmessage{@group invalid in context where filling is enabled}% \fi \startsavinginserts % \setbox\groupbox = \vtop\bgroup % Do @comment since we are called inside an environment such as % @example, where each end-of-line in the input causes an % end-of-line in the output. We don't want the end-of-line after % the `@group' to put extra space in the output. Since @group % should appear on a line by itself (according to the Texinfo % manual), we don't worry about eating any user text. \comment } % % The \vtop produces a box with normal height and large depth; thus, TeX puts % \baselineskip glue before it, and (when the next line of text is done) % \lineskip glue after it. Thus, space below is not quite equal to space % above. But it's pretty close. \def\Egroup{% % To get correct interline space between the last line of the group % and the first line afterwards, we have to propagate \prevdepth. \endgraf % Not \par, as it may have been set to \lisppar. \global\dimen1 = \prevdepth \egroup % End the \vtop. % \dimen0 is the vertical size of the group's box. \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox % \dimen2 is how much space is left on the page (more or less). \dimen2 = \pageheight \advance\dimen2 by -\pagetotal % if the group doesn't fit on the current page, and it's a big big % group, force a page break. \ifdim \dimen0 > \dimen2 \ifdim \pagetotal < \vfilllimit\pageheight \page \fi \fi \box\groupbox \prevdepth = \dimen1 \checkinserts } % % TeX puts in an \escapechar (i.e., `@') at the beginning of the help % message, so this ends up printing `@group can only ...'. % \newhelp\groupinvalidhelp{% group can only be used in environments such as @example,^^J% where each line of input produces a line of output.} % @need space-in-mils % forces a page break if there is not space-in-mils remaining. \newdimen\mil \mil=0.001in \parseargdef\need{% % Ensure vertical mode, so we don't make a big box in the middle of a % paragraph. \par % % If the @need value is less than one line space, it's useless. \dimen0 = #1\mil \dimen2 = \ht\strutbox \advance\dimen2 by \dp\strutbox \ifdim\dimen0 > \dimen2 % % Do a \strut just to make the height of this box be normal, so the % normal leading is inserted relative to the preceding line. % And a page break here is fine. \vtop to #1\mil{\strut\vfil}% % % TeX does not even consider page breaks if a penalty added to the % main vertical list is 10000 or more. But in order to see if the % empty box we just added fits on the page, we must make it consider % page breaks. On the other hand, we don't want to actually break the % page after the empty box. So we use a penalty of 9999. % % There is an extremely small chance that TeX will actually break the % page at this \penalty, if there are no other feasible breakpoints in % sight. (If the user is using lots of big @group commands, which % almost-but-not-quite fill up a page, TeX will have a hard time doing % good page breaking, for example.) However, I could not construct an % example where a page broke at this \penalty; if it happens in a real % document, then we can reconsider our strategy. \penalty9999 % % Back up by the size of the box, whether we did a page break or not. \kern -#1\mil % % Do not allow a page break right after this kern. \nobreak \fi } % @br forces paragraph break (and is undocumented). \let\br = \par % @page forces the start of a new page. % \def\page{\par\vfill\supereject} % @exdent text.... % outputs text on separate line in roman font, starting at standard page margin % This records the amount of indent in the innermost environment. % That's how much \exdent should take out. \newskip\exdentamount % This defn is used inside fill environments such as @defun. \parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} % This defn is used inside nofill environments such as @example. \parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount \leftline{\hskip\leftskip{\rm#1}}}} % @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current % paragraph. For more general purposes, use the \margin insertion % class. WHICH is `l' or `r'. Not documented, written for gawk manual. % \newskip\inmarginspacing \inmarginspacing=1cm \def\strutdepth{\dp\strutbox} % \def\doinmargin#1#2{\strut\vadjust{% \nobreak \kern-\strutdepth \vtop to \strutdepth{% \baselineskip=\strutdepth \vss % if you have multiple lines of stuff to put here, you'll need to % make the vbox yourself of the appropriate size. \ifx#1l% \llap{\ignorespaces #2\hskip\inmarginspacing}% \else \rlap{\hskip\hsize \hskip\inmarginspacing \ignorespaces #2}% \fi \null }% }} \def\inleftmargin{\doinmargin l} \def\inrightmargin{\doinmargin r} % % @inmargin{TEXT [, RIGHT-TEXT]} % (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right; % else use TEXT for both). % \def\inmargin#1{\parseinmargin #1,,\finish} \def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing. \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \def\lefttext{#1}% have both texts \def\righttext{#2}% \else \def\lefttext{#1}% have only one text \def\righttext{#1}% \fi % \ifodd\pageno \def\temp{\inrightmargin\righttext}% odd page -> outside is right margin \else \def\temp{\inleftmargin\lefttext}% \fi \temp } % @| inserts a changebar to the left of the current line. It should % surround any changed text. This approach does *not* work if the % change spans more than two lines of output. To handle that, we would % have adopt a much more difficult approach (putting marks into the main % vertical list for the beginning and end of each change). This command % is not documented, not supported, and doesn't work. % \def\|{% % \vadjust can only be used in horizontal mode. \leavevmode % % Append this vertical mode material after the current line in the output. \vadjust{% % We want to insert a rule with the height and depth of the current % leading; that is exactly what \strutbox is supposed to record. \vskip-\baselineskip % % \vadjust-items are inserted at the left edge of the type. So % the \llap here moves out into the left-hand margin. \llap{% % % For a thicker or thinner bar, change the `1pt'. \vrule height\baselineskip width1pt % % This is the space between the bar and the text. \hskip 12pt }% }% } % @include FILE -- \input text of FILE. % \def\include{\parseargusing\filenamecatcodes\includezzz} \def\includezzz#1{% \pushthisfilestack \def\thisfile{#1}% {% \makevalueexpandable % we want to expand any @value in FILE. \turnoffactive % and allow special characters in the expansion \indexnofonts % Allow `@@' and other weird things in file names. \wlog{texinfo.tex: doing @include of #1^^J}% \edef\temp{\noexpand\input #1 }% % % This trickery is to read FILE outside of a group, in case it makes % definitions, etc. \expandafter }\temp \popthisfilestack } \def\filenamecatcodes{% \catcode`\\=\other \catcode`~=\other \catcode`^=\other \catcode`_=\other \catcode`|=\other \catcode`<=\other \catcode`>=\other \catcode`+=\other \catcode`-=\other \catcode`\`=\other \catcode`\'=\other } \def\pushthisfilestack{% \expandafter\pushthisfilestackX\popthisfilestack\StackTerm } \def\pushthisfilestackX{% \expandafter\pushthisfilestackY\thisfile\StackTerm } \def\pushthisfilestackY #1\StackTerm #2\StackTerm {% \gdef\popthisfilestack{\gdef\thisfile{#1}\gdef\popthisfilestack{#2}}% } \def\popthisfilestack{\errthisfilestackempty} \def\errthisfilestackempty{\errmessage{Internal error: the stack of filenames is empty.}} % \def\thisfile{} % @center line % outputs that line, centered. % \parseargdef\center{% \ifhmode \let\centersub\centerH \else \let\centersub\centerV \fi \centersub{\hfil \ignorespaces#1\unskip \hfil}% \let\centersub\relax % don't let the definition persist, just in case } \def\centerH#1{{% \hfil\break \advance\hsize by -\leftskip \advance\hsize by -\rightskip \line{#1}% \break }} % \newcount\centerpenalty \def\centerV#1{% % The idea here is the same as in \startdefun, \cartouche, etc.: if % @center is the first thing after a section heading, we need to wipe % out the negative parskip inserted by \sectionheading, but still % prevent a page break here. \centerpenalty = \lastpenalty \ifnum\centerpenalty>10000 \vskip\parskip \fi \ifnum\centerpenalty>9999 \penalty\centerpenalty \fi \line{\kern\leftskip #1\kern\rightskip}% } % @sp n outputs n lines of vertical space % \parseargdef\sp{\vskip #1\baselineskip} % @comment ...line which is ignored... % @c is the same as @comment % @ignore ... @end ignore is another way to write a comment % \def\comment{\begingroup \catcode`\^^M=\other% \catcode`\@=\other \catcode`\{=\other \catcode`\}=\other% \commentxxx} {\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}} % \let\c=\comment % @paragraphindent NCHARS % We'll use ems for NCHARS, close enough. % NCHARS can also be the word `asis' or `none'. % We cannot feasibly implement @paragraphindent asis, though. % \def\asisword{asis} % no translation, these are keywords \def\noneword{none} % \parseargdef\paragraphindent{% \def\temp{#1}% \ifx\temp\asisword \else \ifx\temp\noneword \defaultparindent = 0pt \else \defaultparindent = #1em \fi \fi \parindent = \defaultparindent } % @exampleindent NCHARS % We'll use ems for NCHARS like @paragraphindent. % It seems @exampleindent asis isn't necessary, but % I preserve it to make it similar to @paragraphindent. \parseargdef\exampleindent{% \def\temp{#1}% \ifx\temp\asisword \else \ifx\temp\noneword \lispnarrowing = 0pt \else \lispnarrowing = #1em \fi \fi } % @firstparagraphindent WORD % If WORD is `none', then suppress indentation of the first paragraph % after a section heading. If WORD is `insert', then do indent at such % paragraphs. % % The paragraph indentation is suppressed or not by calling % \suppressfirstparagraphindent, which the sectioning commands do. % We switch the definition of this back and forth according to WORD. % By default, we suppress indentation. % \def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} \def\insertword{insert} % \parseargdef\firstparagraphindent{% \def\temp{#1}% \ifx\temp\noneword \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent \else\ifx\temp\insertword \let\suppressfirstparagraphindent = \relax \else \errhelp = \EMsimple \errmessage{Unknown @firstparagraphindent option `\temp'}% \fi\fi } % Here is how we actually suppress indentation. Redefine \everypar to % \kern backwards by \parindent, and then reset itself to empty. % % We also make \indent itself not actually do anything until the next % paragraph. % \gdef\dosuppressfirstparagraphindent{% \gdef\indent{% \restorefirstparagraphindent \indent }% \gdef\noindent{% \restorefirstparagraphindent \noindent }% \global\everypar = {% \kern -\parindent \restorefirstparagraphindent }% } \gdef\restorefirstparagraphindent{% \global \let \indent = \ptexindent \global \let \noindent = \ptexnoindent \global \everypar = {}% } % @refill is a no-op. \let\refill=\relax % If working on a large document in chapters, it is convenient to % be able to disable indexing, cross-referencing, and contents, for test runs. % This is done with @novalidate (before @setfilename). % \newif\iflinks \linkstrue % by default we want the aux files. \let\novalidate = \linksfalse % @setfilename is done at the beginning of every texinfo file. % So open here the files we need to have open while reading the input. % This makes it possible to make a .fmt file for texinfo. \def\setfilename{% \fixbackslash % Turn off hack to swallow `\input texinfo'. \iflinks \tryauxfile % Open the new aux file. TeX will close it automatically at exit. \immediate\openout\auxfile=\jobname.aux \fi % \openindices needs to do some work in any case. \openindices \let\setfilename=\comment % Ignore extra @setfilename cmds. % % If texinfo.cnf is present on the system, read it. % Useful for site-wide @afourpaper, etc. \openin 1 texinfo.cnf \ifeof 1 \else \input texinfo.cnf \fi \closein 1 % \comment % Ignore the actual filename. } % Called from \setfilename. % \def\openindices{% \newindex{cp}% \newcodeindex{fn}% \newcodeindex{vr}% \newcodeindex{tp}% \newcodeindex{ky}% \newcodeindex{pg}% } % @bye. \outer\def\bye{\pagealignmacro\tracingstats=1\ptexend} \message{pdf,} % adobe `portable' document format \newcount\tempnum \newcount\lnkcount \newtoks\filename \newcount\filenamelength \newcount\pgn \newtoks\toksA \newtoks\toksB \newtoks\toksC \newtoks\toksD \newbox\boxA \newcount\countA \newif\ifpdf \newif\ifpdfmakepagedest % when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1 % can be set). So we test for \relax and 0 as well as being undefined. \ifx\pdfoutput\thisisundefined \else \ifx\pdfoutput\relax \else \ifcase\pdfoutput \else \pdftrue \fi \fi \fi % PDF uses PostScript string constants for the names of xref targets, % for display in the outlines, and in other places. Thus, we have to % double any backslashes. Otherwise, a name like "\node" will be % interpreted as a newline (\n), followed by o, d, e. Not good. % % See http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html and % related messages. The final outcome is that it is up to the TeX user % to double the backslashes and otherwise make the string valid, so % that's what we do. pdftex 1.30.0 (ca.2005) introduced a primitive to % do this reliably, so we use it. % #1 is a control sequence in which to do the replacements, % which we \xdef. \def\txiescapepdf#1{% \ifx\pdfescapestring\relax % No primitive available; should we give a warning or log? % Many times it won't matter. \else % The expandable \pdfescapestring primitive escapes parentheses, % backslashes, and other special chars. \xdef#1{\pdfescapestring{#1}}% \fi } \newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images with PDF output, and none of those formats could be found. (.eps cannot be supported due to the design of the PDF format; use regular TeX (DVI output) for that.)} \ifpdf % % Color manipulation macros based on pdfcolor.tex, % except using rgb instead of cmyk; the latter is said to render as a % very dark gray on-screen and a very dark halftone in print, instead % of actual black. \def\rgbDarkRed{0.50 0.09 0.12} \def\rgbBlack{0 0 0} % % k sets the color for filling (usual text, etc.); % K sets the color for stroking (thin rules, e.g., normal _'s). \def\pdfsetcolor#1{\pdfliteral{#1 rg #1 RG}} % % Set color, and create a mark which defines \thiscolor accordingly, % so that \makeheadline knows which color to restore. \def\setcolor#1{% \xdef\lastcolordefs{\gdef\noexpand\thiscolor{#1}}% \domark \pdfsetcolor{#1}% } % \def\maincolor{\rgbBlack} \pdfsetcolor{\maincolor} \edef\thiscolor{\maincolor} \def\lastcolordefs{} % \def\makefootline{% \baselineskip24pt \line{\pdfsetcolor{\maincolor}\the\footline}% } % \def\makeheadline{% \vbox to 0pt{% \vskip-22.5pt \line{% \vbox to8.5pt{}% % Extract \thiscolor definition from the marks. \getcolormarks % Typeset the headline with \maincolor, then restore the color. \pdfsetcolor{\maincolor}\the\headline\pdfsetcolor{\thiscolor}% }% \vss }% \nointerlineskip } % % \pdfcatalog{/PageMode /UseOutlines} % % #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto). \def\dopdfimage#1#2#3{% \def\pdfimagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}% \def\pdfimageheight{#3}\setbox2 = \hbox{\ignorespaces #3}% % % pdftex (and the PDF format) support .pdf, .png, .jpg (among % others). Let's try in that order, PDF first since if % someone has a scalable image, presumably better to use that than a % bitmap. \let\pdfimgext=\empty \begingroup \openin 1 #1.pdf \ifeof 1 \openin 1 #1.PDF \ifeof 1 \openin 1 #1.png \ifeof 1 \openin 1 #1.jpg \ifeof 1 \openin 1 #1.jpeg \ifeof 1 \openin 1 #1.JPG \ifeof 1 \errhelp = \nopdfimagehelp \errmessage{Could not find image file #1 for pdf}% \else \gdef\pdfimgext{JPG}% \fi \else \gdef\pdfimgext{jpeg}% \fi \else \gdef\pdfimgext{jpg}% \fi \else \gdef\pdfimgext{png}% \fi \else \gdef\pdfimgext{PDF}% \fi \else \gdef\pdfimgext{pdf}% \fi \closein 1 \endgroup % % without \immediate, ancient pdftex seg faults when the same image is % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) \ifnum\pdftexversion < 14 \immediate\pdfimage \else \immediate\pdfximage \fi \ifdim \wd0 >0pt width \pdfimagewidth \fi \ifdim \wd2 >0pt height \pdfimageheight \fi \ifnum\pdftexversion<13 #1.\pdfimgext \else {#1.\pdfimgext}% \fi \ifnum\pdftexversion < 14 \else \pdfrefximage \pdflastximage \fi} % \def\pdfmkdest#1{{% % We have to set dummies so commands such as @code, and characters % such as \, aren't expanded when present in a section title. \indexnofonts \turnoffactive \makevalueexpandable \def\pdfdestname{#1}% \txiescapepdf\pdfdestname \safewhatsit{\pdfdest name{\pdfdestname} xyz}% }} % % used to mark target names; must be expandable. \def\pdfmkpgn#1{#1} % % by default, use a color that is dark enough to print on paper as % nearly black, but still distinguishable for online viewing. \def\urlcolor{\rgbDarkRed} \def\linkcolor{\rgbDarkRed} \def\endlink{\setcolor{\maincolor}\pdfendlink} % % Adding outlines to PDF; macros for calculating structure of outlines % come from Petr Olsak \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% \else \csname#1\endcsname \fi} \def\advancenumber#1{\tempnum=\expnumber{#1}\relax \advance\tempnum by 1 \expandafter\xdef\csname#1\endcsname{\the\tempnum}} % % #1 is the section text, which is what will be displayed in the % outline by the pdf viewer. #2 is the pdf expression for the number % of subentries (or empty, for subsubsections). #3 is the node text, % which might be empty if this toc entry had no corresponding node. % #4 is the page number % \def\dopdfoutline#1#2#3#4{% % Generate a link to the node text if that exists; else, use the % page number. We could generate a destination for the section % text in the case where a section has no node, but it doesn't % seem worth the trouble, since most documents are normally structured. \edef\pdfoutlinedest{#3}% \ifx\pdfoutlinedest\empty \def\pdfoutlinedest{#4}% \else \txiescapepdf\pdfoutlinedest \fi % % Also escape PDF chars in the display string. \edef\pdfoutlinetext{#1}% \txiescapepdf\pdfoutlinetext % \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}% } % \def\pdfmakeoutlines{% \begingroup % Read toc silently, to get counts of subentries for \pdfoutline. \def\partentry##1##2##3##4{}% ignore parts in the outlines \def\numchapentry##1##2##3##4{% \def\thischapnum{##2}% \def\thissecnum{0}% \def\thissubsecnum{0}% }% \def\numsecentry##1##2##3##4{% \advancenumber{chap\thischapnum}% \def\thissecnum{##2}% \def\thissubsecnum{0}% }% \def\numsubsecentry##1##2##3##4{% \advancenumber{sec\thissecnum}% \def\thissubsecnum{##2}% }% \def\numsubsubsecentry##1##2##3##4{% \advancenumber{subsec\thissubsecnum}% }% \def\thischapnum{0}% \def\thissecnum{0}% \def\thissubsecnum{0}% % % use \def rather than \let here because we redefine \chapentry et % al. a second time, below. \def\appentry{\numchapentry}% \def\appsecentry{\numsecentry}% \def\appsubsecentry{\numsubsecentry}% \def\appsubsubsecentry{\numsubsubsecentry}% \def\unnchapentry{\numchapentry}% \def\unnsecentry{\numsecentry}% \def\unnsubsecentry{\numsubsecentry}% \def\unnsubsubsecentry{\numsubsubsecentry}% \readdatafile{toc}% % % Read toc second time, this time actually producing the outlines. % The `-' means take the \expnumber as the absolute number of % subentries, which we calculated on our first read of the .toc above. % % We use the node names as the destinations. \def\numchapentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}% \def\numsecentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{sec##2}}{##3}{##4}}% \def\numsubsecentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{subsec##2}}{##3}{##4}}% \def\numsubsubsecentry##1##2##3##4{% count is always zero \dopdfoutline{##1}{}{##3}{##4}}% % % PDF outlines are displayed using system fonts, instead of % document fonts. Therefore we cannot use special characters, % since the encoding is unknown. For example, the eogonek from % Latin 2 (0xea) gets translated to a | character. Info from % Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100. % % TODO this right, we have to translate 8-bit characters to % their "best" equivalent, based on the @documentencoding. Too % much work for too little return. Just use the ASCII equivalents % we use for the index sort strings. % \indexnofonts \setupdatafile % We can have normal brace characters in the PDF outlines, unlike % Texinfo index files. So set that up. \def\{{\lbracecharliteral}% \def\}{\rbracecharliteral}% \catcode`\\=\active \otherbackslash \input \tocreadfilename \endgroup } {\catcode`[=1 \catcode`]=2 \catcode`{=\other \catcode`}=\other \gdef\lbracecharliteral[{]% \gdef\rbracecharliteral[}]% ] % \def\skipspaces#1{\def\PP{#1}\def\D{|}% \ifx\PP\D\let\nextsp\relax \else\let\nextsp\skipspaces \ifx\p\space\else\addtokens{\filename}{\PP}% \advance\filenamelength by 1 \fi \fi \nextsp} \def\getfilename#1{% \filenamelength=0 % If we don't expand the argument now, \skipspaces will get % snagged on things like "@value{foo}". \edef\temp{#1}% \expandafter\skipspaces\temp|\relax } \ifnum\pdftexversion < 14 \let \startlink \pdfannotlink \else \let \startlink \pdfstartlink \fi % make a live url in pdf output. \def\pdfurl#1{% \begingroup % it seems we really need yet another set of dummies; have not % tried to figure out what each command should do in the context % of @url. for now, just make @/ a no-op, that's the only one % people have actually reported a problem with. % \normalturnoffactive \def\@{@}% \let\/=\empty \makevalueexpandable % do we want to go so far as to use \indexnofonts instead of just % special-casing \var here? \def\var##1{##1}% % \leavevmode\setcolor{\urlcolor}% \startlink attr{/Border [0 0 0]}% user{/Subtype /Link /A << /S /URI /URI (#1) >>}% \endgroup} \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} \def\maketoks{% \expandafter\poptoks\the\toksA|ENDTOKS|\relax \ifx\first0\adn0 \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 \else \ifnum0=\countA\else\makelink\fi \ifx\first.\let\next=\done\else \let\next=\maketoks \addtokens{\toksB}{\the\toksD} \ifx\first,\addtokens{\toksB}{\space}\fi \fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi \next} \def\makelink{\addtokens{\toksB}% {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} \def\pdflink#1{% \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}} \setcolor{\linkcolor}#1\endlink} \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} \else % non-pdf mode \let\pdfmkdest = \gobble \let\pdfurl = \gobble \let\endlink = \relax \let\setcolor = \gobble \let\pdfsetcolor = \gobble \let\pdfmakeoutlines = \relax \fi % \ifx\pdfoutput \message{fonts,} % Change the current font style to #1, remembering it in \curfontstyle. % For now, we do not accumulate font styles: @b{@i{foo}} prints foo in % italics, not bold italics. % \def\setfontstyle#1{% \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd. \csname ten#1\endcsname % change the current font } % Select #1 fonts with the current style. % \def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname} \def\rm{\fam=0 \setfontstyle{rm}} \def\it{\fam=\itfam \setfontstyle{it}} \def\sl{\fam=\slfam \setfontstyle{sl}} \def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf} \def\tt{\fam=\ttfam \setfontstyle{tt}} % Unfortunately, we have to override this for titles and the like, since % in those cases "rm" is bold. Sigh. \def\rmisbold{\rm\def\curfontstyle{bf}} % Texinfo sort of supports the sans serif font style, which plain TeX does not. % So we set up a \sf. \newfam\sffam \def\sf{\fam=\sffam \setfontstyle{sf}} \let\li = \sf % Sometimes we call it \li, not \sf. % We don't need math for this font style. \def\ttsl{\setfontstyle{ttsl}} % Default leading. \newdimen\textleading \textleading = 13.2pt % Set the baselineskip to #1, and the lineskip and strut size % correspondingly. There is no deep meaning behind these magic numbers % used as factors; they just match (closely enough) what Knuth defined. % \def\lineskipfactor{.08333} \def\strutheightpercent{.70833} \def\strutdepthpercent {.29167} % % can get a sort of poor man's double spacing by redefining this. \def\baselinefactor{1} % \def\setleading#1{% \dimen0 = #1\relax \normalbaselineskip = \baselinefactor\dimen0 \normallineskip = \lineskipfactor\normalbaselineskip \normalbaselines \setbox\strutbox =\hbox{% \vrule width0pt height\strutheightpercent\baselineskip depth \strutdepthpercent \baselineskip }% } % PDF CMaps. See also LaTeX's t1.cmap. % % do nothing with this by default. \expandafter\let\csname cmapOT1\endcsname\gobble \expandafter\let\csname cmapOT1IT\endcsname\gobble \expandafter\let\csname cmapOT1TT\endcsname\gobble % if we are producing pdf, and we have \pdffontattr, then define cmaps. % (\pdffontattr was introduced many years ago, but people still run % older pdftex's; it's easy to conditionalize, so we do.) \ifpdf \ifx\pdffontattr\thisisundefined \else \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1-0) %%Title: (TeX-OT1-0 TeX OT1 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1) /Supplement 0 >> def /CMapName /TeX-OT1-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 8 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <23> <26> <0023> <28> <3B> <0028> <3F> <5B> <003F> <5D> <5E> <005D> <61> <7A> <0061> <7B> <7C> <2013> endbfrange 40 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <00660066> <0C> <00660069> <0D> <0066006C> <0E> <006600660069> <0F> <00660066006C> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <21> <0021> <22> <201D> <27> <2019> <3C> <00A1> <3D> <003D> <3E> <00BF> <5C> <201C> <5F> <02D9> <60> <2018> <7D> <02DD> <7E> <007E> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% % % \cmapOT1IT \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1IT-0) %%Title: (TeX-OT1IT-0 TeX OT1IT 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1IT) /Supplement 0 >> def /CMapName /TeX-OT1IT-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 8 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <25> <26> <0025> <28> <3B> <0028> <3F> <5B> <003F> <5D> <5E> <005D> <61> <7A> <0061> <7B> <7C> <2013> endbfrange 42 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <00660066> <0C> <00660069> <0D> <0066006C> <0E> <006600660069> <0F> <00660066006C> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <21> <0021> <22> <201D> <23> <0023> <24> <00A3> <27> <2019> <3C> <00A1> <3D> <003D> <3E> <00BF> <5C> <201C> <5F> <02D9> <60> <2018> <7D> <02DD> <7E> <007E> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1IT\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% % % \cmapOT1TT \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1TT-0) %%Title: (TeX-OT1TT-0 TeX OT1TT 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1TT) /Supplement 0 >> def /CMapName /TeX-OT1TT-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 5 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <21> <26> <0021> <28> <5F> <0028> <61> <7E> <0061> endbfrange 32 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <2191> <0C> <2193> <0D> <0027> <0E> <00A1> <0F> <00BF> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <20> <2423> <27> <2019> <60> <2018> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1TT\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% \fi\fi % Set the font macro #1 to the font named #2, adding on the % specified font prefix (normally `cm'). % #3 is the font's design size, #4 is a scale factor, #5 is the CMap % encoding (currently only OT1, OT1IT and OT1TT are allowed, pass % empty to omit). \def\setfont#1#2#3#4#5{% \font#1=\fontprefix#2#3 scaled #4 \csname cmap#5\endcsname#1% } % This is what gets called when #5 of \setfont is empty. \let\cmap\gobble % emacs-page end of cmaps % Use cm as the default font prefix. % To specify the font prefix, you must define \fontprefix % before you read in texinfo.tex. \ifx\fontprefix\thisisundefined \def\fontprefix{cm} \fi % Support font families that don't use the same naming scheme as CM. \def\rmshape{r} \def\rmbshape{bx} %where the normal face is bold \def\bfshape{b} \def\bxshape{bx} \def\ttshape{tt} \def\ttbshape{tt} \def\ttslshape{sltt} \def\itshape{ti} \def\itbshape{bxti} \def\slshape{sl} \def\slbshape{bxsl} \def\sfshape{ss} \def\sfbshape{ss} \def\scshape{csc} \def\scbshape{csc} % Definitions for a main text size of 11pt. This is the default in % Texinfo. % \def\definetextfontsizexi{% % Text fonts (11.2pt, magstep1). \def\textnominalsize{11pt} \edef\mainmagstep{\magstephalf} \setfont\textrm\rmshape{10}{\mainmagstep}{OT1} \setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} \setfont\textbf\bfshape{10}{\mainmagstep}{OT1} \setfont\textit\itshape{10}{\mainmagstep}{OT1IT} \setfont\textsl\slshape{10}{\mainmagstep}{OT1} \setfont\textsf\sfshape{10}{\mainmagstep}{OT1} \setfont\textsc\scshape{10}{\mainmagstep}{OT1} \setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} \font\texti=cmmi10 scaled \mainmagstep \font\textsy=cmsy10 scaled \mainmagstep \def\textecsize{1095} % A few fonts for @defun names and args. \setfont\defbf\bfshape{10}{\magstep1}{OT1} \setfont\deftt\ttshape{10}{\magstep1}{OT1TT} \setfont\defttsl\ttslshape{10}{\magstep1}{OT1TT} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} % Fonts for indices, footnotes, small examples (9pt). \def\smallnominalsize{9pt} \setfont\smallrm\rmshape{9}{1000}{OT1} \setfont\smalltt\ttshape{9}{1000}{OT1TT} \setfont\smallbf\bfshape{10}{900}{OT1} \setfont\smallit\itshape{9}{1000}{OT1IT} \setfont\smallsl\slshape{9}{1000}{OT1} \setfont\smallsf\sfshape{9}{1000}{OT1} \setfont\smallsc\scshape{10}{900}{OT1} \setfont\smallttsl\ttslshape{10}{900}{OT1TT} \font\smalli=cmmi9 \font\smallsy=cmsy9 \def\smallecsize{0900} % Fonts for small examples (8pt). \def\smallernominalsize{8pt} \setfont\smallerrm\rmshape{8}{1000}{OT1} \setfont\smallertt\ttshape{8}{1000}{OT1TT} \setfont\smallerbf\bfshape{10}{800}{OT1} \setfont\smallerit\itshape{8}{1000}{OT1IT} \setfont\smallersl\slshape{8}{1000}{OT1} \setfont\smallersf\sfshape{8}{1000}{OT1} \setfont\smallersc\scshape{10}{800}{OT1} \setfont\smallerttsl\ttslshape{10}{800}{OT1TT} \font\smalleri=cmmi8 \font\smallersy=cmsy8 \def\smallerecsize{0800} % Fonts for title page (20.4pt): \def\titlenominalsize{20pt} \setfont\titlerm\rmbshape{12}{\magstep3}{OT1} \setfont\titleit\itbshape{10}{\magstep4}{OT1IT} \setfont\titlesl\slbshape{10}{\magstep4}{OT1} \setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} \setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} \setfont\titlesf\sfbshape{17}{\magstep1}{OT1} \let\titlebf=\titlerm \setfont\titlesc\scbshape{10}{\magstep4}{OT1} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 \def\titleecsize{2074} % Chapter (and unnumbered) fonts (17.28pt). \def\chapnominalsize{17pt} \setfont\chaprm\rmbshape{12}{\magstep2}{OT1} \setfont\chapit\itbshape{10}{\magstep3}{OT1IT} \setfont\chapsl\slbshape{10}{\magstep3}{OT1} \setfont\chaptt\ttbshape{12}{\magstep2}{OT1TT} \setfont\chapttsl\ttslshape{10}{\magstep3}{OT1TT} \setfont\chapsf\sfbshape{17}{1000}{OT1} \let\chapbf=\chaprm \setfont\chapsc\scbshape{10}{\magstep3}{OT1} \font\chapi=cmmi12 scaled \magstep2 \font\chapsy=cmsy10 scaled \magstep3 \def\chapecsize{1728} % Section fonts (14.4pt). \def\secnominalsize{14pt} \setfont\secrm\rmbshape{12}{\magstep1}{OT1} \setfont\secit\itbshape{10}{\magstep2}{OT1IT} \setfont\secsl\slbshape{10}{\magstep2}{OT1} \setfont\sectt\ttbshape{12}{\magstep1}{OT1TT} \setfont\secttsl\ttslshape{10}{\magstep2}{OT1TT} \setfont\secsf\sfbshape{12}{\magstep1}{OT1} \let\secbf\secrm \setfont\secsc\scbshape{10}{\magstep2}{OT1} \font\seci=cmmi12 scaled \magstep1 \font\secsy=cmsy10 scaled \magstep2 \def\sececsize{1440} % Subsection fonts (13.15pt). \def\ssecnominalsize{13pt} \setfont\ssecrm\rmbshape{12}{\magstephalf}{OT1} \setfont\ssecit\itbshape{10}{1315}{OT1IT} \setfont\ssecsl\slbshape{10}{1315}{OT1} \setfont\ssectt\ttbshape{12}{\magstephalf}{OT1TT} \setfont\ssecttsl\ttslshape{10}{1315}{OT1TT} \setfont\ssecsf\sfbshape{12}{\magstephalf}{OT1} \let\ssecbf\ssecrm \setfont\ssecsc\scbshape{10}{1315}{OT1} \font\sseci=cmmi12 scaled \magstephalf \font\ssecsy=cmsy10 scaled 1315 \def\ssececsize{1200} % Reduced fonts for @acro in text (10pt). \def\reducednominalsize{10pt} \setfont\reducedrm\rmshape{10}{1000}{OT1} \setfont\reducedtt\ttshape{10}{1000}{OT1TT} \setfont\reducedbf\bfshape{10}{1000}{OT1} \setfont\reducedit\itshape{10}{1000}{OT1IT} \setfont\reducedsl\slshape{10}{1000}{OT1} \setfont\reducedsf\sfshape{10}{1000}{OT1} \setfont\reducedsc\scshape{10}{1000}{OT1} \setfont\reducedttsl\ttslshape{10}{1000}{OT1TT} \font\reducedi=cmmi10 \font\reducedsy=cmsy10 \def\reducedecsize{1000} \textleading = 13.2pt % line spacing for 11pt CM \textfonts % reset the current fonts \rm } % end of 11pt text font size definitions % Definitions to make the main text be 10pt Computer Modern, with % section, chapter, etc., sizes following suit. This is for the GNU % Press printing of the Emacs 22 manual. Maybe other manuals in the % future. Used with @smallbook, which sets the leading to 12pt. % \def\definetextfontsizex{% % Text fonts (10pt). \def\textnominalsize{10pt} \edef\mainmagstep{1000} \setfont\textrm\rmshape{10}{\mainmagstep}{OT1} \setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} \setfont\textbf\bfshape{10}{\mainmagstep}{OT1} \setfont\textit\itshape{10}{\mainmagstep}{OT1IT} \setfont\textsl\slshape{10}{\mainmagstep}{OT1} \setfont\textsf\sfshape{10}{\mainmagstep}{OT1} \setfont\textsc\scshape{10}{\mainmagstep}{OT1} \setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} \font\texti=cmmi10 scaled \mainmagstep \font\textsy=cmsy10 scaled \mainmagstep \def\textecsize{1000} % A few fonts for @defun names and args. \setfont\defbf\bfshape{10}{\magstephalf}{OT1} \setfont\deftt\ttshape{10}{\magstephalf}{OT1TT} \setfont\defttsl\ttslshape{10}{\magstephalf}{OT1TT} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} % Fonts for indices, footnotes, small examples (9pt). \def\smallnominalsize{9pt} \setfont\smallrm\rmshape{9}{1000}{OT1} \setfont\smalltt\ttshape{9}{1000}{OT1TT} \setfont\smallbf\bfshape{10}{900}{OT1} \setfont\smallit\itshape{9}{1000}{OT1IT} \setfont\smallsl\slshape{9}{1000}{OT1} \setfont\smallsf\sfshape{9}{1000}{OT1} \setfont\smallsc\scshape{10}{900}{OT1} \setfont\smallttsl\ttslshape{10}{900}{OT1TT} \font\smalli=cmmi9 \font\smallsy=cmsy9 \def\smallecsize{0900} % Fonts for small examples (8pt). \def\smallernominalsize{8pt} \setfont\smallerrm\rmshape{8}{1000}{OT1} \setfont\smallertt\ttshape{8}{1000}{OT1TT} \setfont\smallerbf\bfshape{10}{800}{OT1} \setfont\smallerit\itshape{8}{1000}{OT1IT} \setfont\smallersl\slshape{8}{1000}{OT1} \setfont\smallersf\sfshape{8}{1000}{OT1} \setfont\smallersc\scshape{10}{800}{OT1} \setfont\smallerttsl\ttslshape{10}{800}{OT1TT} \font\smalleri=cmmi8 \font\smallersy=cmsy8 \def\smallerecsize{0800} % Fonts for title page (20.4pt): \def\titlenominalsize{20pt} \setfont\titlerm\rmbshape{12}{\magstep3}{OT1} \setfont\titleit\itbshape{10}{\magstep4}{OT1IT} \setfont\titlesl\slbshape{10}{\magstep4}{OT1} \setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} \setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} \setfont\titlesf\sfbshape{17}{\magstep1}{OT1} \let\titlebf=\titlerm \setfont\titlesc\scbshape{10}{\magstep4}{OT1} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 \def\titleecsize{2074} % Chapter fonts (14.4pt). \def\chapnominalsize{14pt} \setfont\chaprm\rmbshape{12}{\magstep1}{OT1} \setfont\chapit\itbshape{10}{\magstep2}{OT1IT} \setfont\chapsl\slbshape{10}{\magstep2}{OT1} \setfont\chaptt\ttbshape{12}{\magstep1}{OT1TT} \setfont\chapttsl\ttslshape{10}{\magstep2}{OT1TT} \setfont\chapsf\sfbshape{12}{\magstep1}{OT1} \let\chapbf\chaprm \setfont\chapsc\scbshape{10}{\magstep2}{OT1} \font\chapi=cmmi12 scaled \magstep1 \font\chapsy=cmsy10 scaled \magstep2 \def\chapecsize{1440} % Section fonts (12pt). \def\secnominalsize{12pt} \setfont\secrm\rmbshape{12}{1000}{OT1} \setfont\secit\itbshape{10}{\magstep1}{OT1IT} \setfont\secsl\slbshape{10}{\magstep1}{OT1} \setfont\sectt\ttbshape{12}{1000}{OT1TT} \setfont\secttsl\ttslshape{10}{\magstep1}{OT1TT} \setfont\secsf\sfbshape{12}{1000}{OT1} \let\secbf\secrm \setfont\secsc\scbshape{10}{\magstep1}{OT1} \font\seci=cmmi12 \font\secsy=cmsy10 scaled \magstep1 \def\sececsize{1200} % Subsection fonts (10pt). \def\ssecnominalsize{10pt} \setfont\ssecrm\rmbshape{10}{1000}{OT1} \setfont\ssecit\itbshape{10}{1000}{OT1IT} \setfont\ssecsl\slbshape{10}{1000}{OT1} \setfont\ssectt\ttbshape{10}{1000}{OT1TT} \setfont\ssecttsl\ttslshape{10}{1000}{OT1TT} \setfont\ssecsf\sfbshape{10}{1000}{OT1} \let\ssecbf\ssecrm \setfont\ssecsc\scbshape{10}{1000}{OT1} \font\sseci=cmmi10 \font\ssecsy=cmsy10 \def\ssececsize{1000} % Reduced fonts for @acro in text (9pt). \def\reducednominalsize{9pt} \setfont\reducedrm\rmshape{9}{1000}{OT1} \setfont\reducedtt\ttshape{9}{1000}{OT1TT} \setfont\reducedbf\bfshape{10}{900}{OT1} \setfont\reducedit\itshape{9}{1000}{OT1IT} \setfont\reducedsl\slshape{9}{1000}{OT1} \setfont\reducedsf\sfshape{9}{1000}{OT1} \setfont\reducedsc\scshape{10}{900}{OT1} \setfont\reducedttsl\ttslshape{10}{900}{OT1TT} \font\reducedi=cmmi9 \font\reducedsy=cmsy9 \def\reducedecsize{0900} \divide\parskip by 2 % reduce space between paragraphs \textleading = 12pt % line spacing for 10pt CM \textfonts % reset the current fonts \rm } % end of 10pt text font size definitions % We provide the user-level command % @fonttextsize 10 % (or 11) to redefine the text font size. pt is assumed. % \def\xiword{11} \def\xword{10} \def\xwordpt{10pt} % \parseargdef\fonttextsize{% \def\textsizearg{#1}% %\wlog{doing @fonttextsize \textsizearg}% % % Set \globaldefs so that documents can use this inside @tex, since % makeinfo 4.8 does not support it, but we need it nonetheless. % \begingroup \globaldefs=1 \ifx\textsizearg\xword \definetextfontsizex \else \ifx\textsizearg\xiword \definetextfontsizexi \else \errhelp=\EMsimple \errmessage{@fonttextsize only supports `10' or `11', not `\textsizearg'} \fi\fi \endgroup } % In order for the font changes to affect most math symbols and letters, % we have to define the \textfont of the standard families. Since % texinfo doesn't allow for producing subscripts and superscripts except % in the main text, we don't bother to reset \scriptfont and % \scriptscriptfont (which would also require loading a lot more fonts). % \def\resetmathfonts{% \textfont0=\tenrm \textfont1=\teni \textfont2=\tensy \textfont\itfam=\tenit \textfont\slfam=\tensl \textfont\bffam=\tenbf \textfont\ttfam=\tentt \textfont\sffam=\tensf } % The font-changing commands redefine the meanings of \tenSTYLE, instead % of just \STYLE. We do this because \STYLE needs to also set the % current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire % \tenSTYLE to set the current font. % % Each font-changing command also sets the names \lsize (one size lower) % and \lllsize (three sizes lower). These relative commands are used in % the LaTeX logo and acronyms. % % This all needs generalizing, badly. % \def\textfonts{% \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl \def\curfontsize{text}% \def\lsize{reduced}\def\lllsize{smaller}% \resetmathfonts \setleading{\textleading}} \def\titlefonts{% \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy \let\tenttsl=\titlettsl \def\curfontsize{title}% \def\lsize{chap}\def\lllsize{subsec}% \resetmathfonts \setleading{27pt}} \def\titlefont#1{{\titlefonts\rmisbold #1}} \def\chapfonts{% \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl \def\curfontsize{chap}% \def\lsize{sec}\def\lllsize{text}% \resetmathfonts \setleading{19pt}} \def\secfonts{% \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl \def\curfontsize{sec}% \def\lsize{subsec}\def\lllsize{reduced}% \resetmathfonts \setleading{16pt}} \def\subsecfonts{% \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl \def\curfontsize{ssec}% \def\lsize{text}\def\lllsize{small}% \resetmathfonts \setleading{15pt}} \let\subsubsecfonts = \subsecfonts \def\reducedfonts{% \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy \let\tenttsl=\reducedttsl \def\curfontsize{reduced}% \def\lsize{small}\def\lllsize{smaller}% \resetmathfonts \setleading{10.5pt}} \def\smallfonts{% \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy \let\tenttsl=\smallttsl \def\curfontsize{small}% \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{10.5pt}} \def\smallerfonts{% \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy \let\tenttsl=\smallerttsl \def\curfontsize{smaller}% \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{9.5pt}} % Fonts for short table of contents. \setfont\shortcontrm\rmshape{12}{1000}{OT1} \setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12 \setfont\shortcontsl\slshape{12}{1000}{OT1} \setfont\shortconttt\ttshape{12}{1000}{OT1TT} % Define these just so they can be easily changed for other fonts. \def\angleleft{$\langle$} \def\angleright{$\rangle$} % Set the fonts to use with the @small... environments. \let\smallexamplefonts = \smallfonts % About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample % can fit this many characters: % 8.5x11=86 smallbook=72 a4=90 a5=69 % If we use \scriptfonts (8pt), then we can fit this many characters: % 8.5x11=90+ smallbook=80 a4=90+ a5=77 % For me, subjectively, the few extra characters that fit aren't worth % the additional smallness of 8pt. So I'm making the default 9pt. % % By the way, for comparison, here's what fits with @example (10pt): % 8.5x11=71 smallbook=60 a4=75 a5=58 % --karl, 24jan03. % Set up the default fonts, so we can use them for creating boxes. % \definetextfontsizexi \message{markup,} % Check if we are currently using a typewriter font. Since all the % Computer Modern typewriter fonts have zero interword stretch (and % shrink), and it is reasonable to expect all typewriter fonts to have % this property, we can check that font parameter. % \def\ifmonospace{\ifdim\fontdimen3\font=0pt } % Markup style infrastructure. \defmarkupstylesetup\INITMACRO will % define and register \INITMACRO to be called on markup style changes. % \INITMACRO can check \currentmarkupstyle for the innermost % style and the set of \ifmarkupSTYLE switches for all styles % currently in effect. \newif\ifmarkupvar \newif\ifmarkupsamp \newif\ifmarkupkey %\newif\ifmarkupfile % @file == @samp. %\newif\ifmarkupoption % @option == @samp. \newif\ifmarkupcode \newif\ifmarkupkbd %\newif\ifmarkupenv % @env == @code. %\newif\ifmarkupcommand % @command == @code. \newif\ifmarkuptex % @tex (and part of @math, for now). \newif\ifmarkupexample \newif\ifmarkupverb \newif\ifmarkupverbatim \let\currentmarkupstyle\empty \def\setupmarkupstyle#1{% \csname markup#1true\endcsname \def\currentmarkupstyle{#1}% \markupstylesetup } \let\markupstylesetup\empty \def\defmarkupstylesetup#1{% \expandafter\def\expandafter\markupstylesetup \expandafter{\markupstylesetup #1}% \def#1% } % Markup style setup for left and right quotes. \defmarkupstylesetup\markupsetuplq{% \expandafter\let\expandafter \temp \csname markupsetuplq\currentmarkupstyle\endcsname \ifx\temp\relax \markupsetuplqdefault \else \temp \fi } \defmarkupstylesetup\markupsetuprq{% \expandafter\let\expandafter \temp \csname markupsetuprq\currentmarkupstyle\endcsname \ifx\temp\relax \markupsetuprqdefault \else \temp \fi } { \catcode`\'=\active \catcode`\`=\active \gdef\markupsetuplqdefault{\let`\lq} \gdef\markupsetuprqdefault{\let'\rq} \gdef\markupsetcodequoteleft{\let`\codequoteleft} \gdef\markupsetcodequoteright{\let'\codequoteright} \gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft} } \let\markupsetuplqcode \markupsetcodequoteleft \let\markupsetuprqcode \markupsetcodequoteright % \let\markupsetuplqexample \markupsetcodequoteleft \let\markupsetuprqexample \markupsetcodequoteright % \let\markupsetuplqsamp \markupsetcodequoteleft \let\markupsetuprqsamp \markupsetcodequoteright % \let\markupsetuplqverb \markupsetcodequoteleft \let\markupsetuprqverb \markupsetcodequoteright % \let\markupsetuplqverbatim \markupsetcodequoteleft \let\markupsetuprqverbatim \markupsetcodequoteright \let\markupsetuplqkbd \markupsetnoligaturesquoteleft % Allow an option to not use regular directed right quote/apostrophe % (char 0x27), but instead the undirected quote from cmtt (char 0x0d). % The undirected quote is ugly, so don't make it the default, but it % works for pasting with more pdf viewers (at least evince), the % lilypond developers report. xpdf does work with the regular 0x27. % \def\codequoteright{% \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax '% \else \char'15 \fi \else \char'15 \fi } % % and a similar option for the left quote char vs. a grave accent. % Modern fonts display ASCII 0x60 as a grave accent, so some people like % the code environments to do likewise. % \def\codequoteleft{% \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax % [Knuth] pp. 380,381,391 % \relax disables Spanish ligatures ?` and !` of \tt font. \relax`% \else \char'22 \fi \else \char'22 \fi } % Commands to set the quote options. % \parseargdef\codequoteundirected{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxicodequoteundirected\endcsname = t% \else\ifx\temp\offword \expandafter\let\csname SETtxicodequoteundirected\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @codequoteundirected value `\temp', must be on|off}% \fi\fi } % \parseargdef\codequotebacktick{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxicodequotebacktick\endcsname = t% \else\ifx\temp\offword \expandafter\let\csname SETtxicodequotebacktick\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @codequotebacktick value `\temp', must be on|off}% \fi\fi } % [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font. \def\noligaturesquoteleft{\relax\lq} % Count depth in font-changes, for error checks \newcount\fontdepth \fontdepth=0 % Font commands. % #1 is the font command (\sl or \it), #2 is the text to slant. % If we are in a monospaced environment, however, 1) always use \ttsl, % and 2) do not add an italic correction. \def\dosmartslant#1#2{% \ifusingtt {{\ttsl #2}\let\next=\relax}% {\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}% \next } \def\smartslanted{\dosmartslant\sl} \def\smartitalic{\dosmartslant\it} % Output an italic correction unless \next (presumed to be the following % character) is such as not to need one. \def\smartitaliccorrection{% \ifx\next,% \else\ifx\next-% \else\ifx\next.% \else\ptexslash \fi\fi\fi \aftersmartic } % like \smartslanted except unconditionally uses \ttsl, and no ic. % @var is set to this for defun arguments. \def\ttslanted#1{{\ttsl #1}} % @cite is like \smartslanted except unconditionally use \sl. We never want % ttsl for book titles, do we? \def\cite#1{{\sl #1}\futurelet\next\smartitaliccorrection} \def\aftersmartic{} \def\var#1{% \let\saveaftersmartic = \aftersmartic \def\aftersmartic{\null\let\aftersmartic=\saveaftersmartic}% \smartslanted{#1}% } \let\i=\smartitalic \let\slanted=\smartslanted \let\dfn=\smartslanted \let\emph=\smartitalic % Explicit font changes: @r, @sc, undocumented @ii. \def\r#1{{\rm #1}} % roman font \def\sc#1{{\smallcaps#1}} % smallcaps font \def\ii#1{{\it #1}} % italic font % @b, explicit bold. Also @strong. \def\b#1{{\bf #1}} \let\strong=\b % @sansserif, explicit sans. \def\sansserif#1{{\sf #1}} % We can't just use \exhyphenpenalty, because that only has effect at % the end of a paragraph. Restore normal hyphenation at the end of the % group within which \nohyphenation is presumably called. % \def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation} \def\restorehyphenation{\hyphenchar\font = `- } % Set sfcode to normal for the chars that usually have another value. % Can't use plain's \frenchspacing because it uses the `\x notation, and % sometimes \x has an active definition that messes things up. % \catcode`@=11 \def\plainfrenchspacing{% \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m \def\endofsentencespacefactor{1000}% for @. and friends } \def\plainnonfrenchspacing{% \sfcode`\.3000\sfcode`\?3000\sfcode`\!3000 \sfcode`\:2000\sfcode`\;1500\sfcode`\,1250 \def\endofsentencespacefactor{3000}% for @. and friends } \catcode`@=\other \def\endofsentencespacefactor{3000}% default % @t, explicit typewriter. \def\t#1{% {\tt \rawbackslash \plainfrenchspacing #1}% \null } % @samp. \def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}} % definition of @key that produces a lozenge. Doesn't adjust to text size. %\setfont\keyrm\rmshape{8}{1000}{OT1} %\font\keysy=cmsy9 %\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% % \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% % \vbox{\hrule\kern-0.4pt % \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% % \kern-0.4pt\hrule}% % \kern-.06em\raise0.4pt\hbox{\angleright}}}} % definition of @key with no lozenge. If the current font is already % monospace, don't change it; that way, we respect @kbdinputstyle. But % if it isn't monospace, then use \tt. % \def\key#1{{\setupmarkupstyle{key}% \nohyphenation \ifmonospace\else\tt\fi #1}\null} % ctrl is no longer a Texinfo command. \def\ctrl #1{{\tt \rawbackslash \hat}#1} % @file, @option are the same as @samp. \let\file=\samp \let\option=\samp % @code is a modification of @t, % which makes spaces the same size as normal in the surrounding text. \def\tclose#1{% {% % Change normal interword space to be same as for the current font. \spaceskip = \fontdimen2\font % % Switch to typewriter. \tt % % But `\ ' produces the large typewriter interword space. \def\ {{\spaceskip = 0pt{} }}% % % Turn off hyphenation. \nohyphenation % \rawbackslash \plainfrenchspacing #1% }% \null % reset spacefactor to 1000 } % We *must* turn on hyphenation at `-' and `_' in @code. % Otherwise, it is too hard to avoid overfull hboxes % in the Emacs manual, the Library manual, etc. % Unfortunately, TeX uses one parameter (\hyphenchar) to control % both hyphenation at - and hyphenation within words. % We must therefore turn them both off (\tclose does that) % and arrange explicitly to hyphenate at a dash. % -- rms. { \catcode`\-=\active \catcode`\_=\active \catcode`\'=\active \catcode`\`=\active \global\let'=\rq \global\let`=\lq % default definitions % \global\def\code{\begingroup \setupmarkupstyle{code}% % The following should really be moved into \setupmarkupstyle handlers. \catcode\dashChar=\active \catcode\underChar=\active \ifallowcodebreaks \let-\codedash \let_\codeunder \else \let-\realdash \let_\realunder \fi \codex } } \def\codex #1{\tclose{#1}\endgroup} \def\realdash{-} \def\codedash{-\discretionary{}{}{}} \def\codeunder{% % this is all so @math{@code{var_name}+1} can work. In math mode, _ % is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.) % will therefore expand the active definition of _, which is us % (inside @code that is), therefore an endless loop. \ifusingtt{\ifmmode \mathchar"075F % class 0=ordinary, family 7=ttfam, pos 0x5F=_. \else\normalunderscore \fi \discretionary{}{}{}}% {\_}% } % An additional complication: the above will allow breaks after, e.g., % each of the four underscores in __typeof__. This is undesirable in % some manuals, especially if they don't have long identifiers in % general. @allowcodebreaks provides a way to control this. % \newif\ifallowcodebreaks \allowcodebreakstrue \def\keywordtrue{true} \def\keywordfalse{false} \parseargdef\allowcodebreaks{% \def\txiarg{#1}% \ifx\txiarg\keywordtrue \allowcodebreakstrue \else\ifx\txiarg\keywordfalse \allowcodebreaksfalse \else \errhelp = \EMsimple \errmessage{Unknown @allowcodebreaks option `\txiarg', must be true|false}% \fi\fi } % @uref (abbreviation for `urlref') takes an optional (comma-separated) % second argument specifying the text to display and an optional third % arg as text to display instead of (rather than in addition to) the url % itself. First (mandatory) arg is the url. % (This \urefnobreak definition isn't used now, leaving it for a while % for comparison.) \def\urefnobreak#1{\dourefnobreak #1,,,\finish} \def\dourefnobreak#1,#2,#3,#4\finish{\begingroup \unsepspaces \pdfurl{#1}% \setbox0 = \hbox{\ignorespaces #3}% \ifdim\wd0 > 0pt \unhbox0 % third arg given, show only that \else \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \ifpdf \unhbox0 % PDF: 2nd arg given, show only it \else \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url \fi \else \code{#1}% only url given, so show it \fi \fi \endlink \endgroup} % This \urefbreak definition is the active one. \def\urefbreak{\begingroup \urefcatcodes \dourefbreak} \let\uref=\urefbreak \def\dourefbreak#1{\urefbreakfinish #1,,,\finish} \def\urefbreakfinish#1,#2,#3,#4\finish{% doesn't work in @example \unsepspaces \pdfurl{#1}% \setbox0 = \hbox{\ignorespaces #3}% \ifdim\wd0 > 0pt \unhbox0 % third arg given, show only that \else \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \ifpdf \unhbox0 % PDF: 2nd arg given, show only it \else \unhbox0\ (\urefcode{#1})% DVI: 2nd arg given, show both it and url \fi \else \urefcode{#1}% only url given, so show it \fi \fi \endlink \endgroup} % Allow line breaks around only a few characters (only). \def\urefcatcodes{% \catcode\ampChar=\active \catcode\dotChar=\active \catcode\hashChar=\active \catcode\questChar=\active \catcode\slashChar=\active } { \urefcatcodes % \global\def\urefcode{\begingroup \setupmarkupstyle{code}% \urefcatcodes \let&\urefcodeamp \let.\urefcodedot \let#\urefcodehash \let?\urefcodequest \let/\urefcodeslash \codex } % % By default, they are just regular characters. \global\def&{\normalamp} \global\def.{\normaldot} \global\def#{\normalhash} \global\def?{\normalquest} \global\def/{\normalslash} } % we put a little stretch before and after the breakable chars, to help % line breaking of long url's. The unequal skips make look better in % cmtt at least, especially for dots. \def\urefprestretch{\urefprebreak \hskip0pt plus.13em } \def\urefpoststretch{\urefpostbreak \hskip0pt plus.1em } % \def\urefcodeamp{\urefprestretch \&\urefpoststretch} \def\urefcodedot{\urefprestretch .\urefpoststretch} \def\urefcodehash{\urefprestretch \#\urefpoststretch} \def\urefcodequest{\urefprestretch ?\urefpoststretch} \def\urefcodeslash{\futurelet\next\urefcodeslashfinish} { \catcode`\/=\active \global\def\urefcodeslashfinish{% \urefprestretch \slashChar % Allow line break only after the final / in a sequence of % slashes, to avoid line break between the slashes in http://. \ifx\next/\else \urefpoststretch \fi } } % One more complication: by default we'll break after the special % characters, but some people like to break before the special chars, so % allow that. Also allow no breaking at all, for manual control. % \parseargdef\urefbreakstyle{% \def\txiarg{#1}% \ifx\txiarg\wordnone \def\urefprebreak{\nobreak}\def\urefpostbreak{\nobreak} \else\ifx\txiarg\wordbefore \def\urefprebreak{\allowbreak}\def\urefpostbreak{\nobreak} \else\ifx\txiarg\wordafter \def\urefprebreak{\nobreak}\def\urefpostbreak{\allowbreak} \else \errhelp = \EMsimple \errmessage{Unknown @urefbreakstyle setting `\txiarg'}% \fi\fi\fi } \def\wordafter{after} \def\wordbefore{before} \def\wordnone{none} \urefbreakstyle after % @url synonym for @uref, since that's how everyone uses it. % \let\url=\uref % rms does not like angle brackets --karl, 17may97. % So now @email is just like @uref, unless we are pdf. % %\def\email#1{\angleleft{\tt #1}\angleright} \ifpdf \def\email#1{\doemail#1,,\finish} \def\doemail#1,#2,#3\finish{\begingroup \unsepspaces \pdfurl{mailto:#1}% \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi \endlink \endgroup} \else \let\email=\uref \fi % @kbd is like @code, except that if the argument is just one @key command, % then @kbd has no effect. \def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}} % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), % `example' (@kbd uses ttsl only inside of @example and friends), % or `code' (@kbd uses normal tty font always). \parseargdef\kbdinputstyle{% \def\txiarg{#1}% \ifx\txiarg\worddistinct \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}% \else\ifx\txiarg\wordexample \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% \else\ifx\txiarg\wordcode \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% \else \errhelp = \EMsimple \errmessage{Unknown @kbdinputstyle setting `\txiarg'}% \fi\fi\fi } \def\worddistinct{distinct} \def\wordexample{example} \def\wordcode{code} % Default is `distinct'. \kbdinputstyle distinct \def\xkey{\key} \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% \ifx\one\xkey\ifx\threex\three \key{#2}% \else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi \else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi} % For @indicateurl, @env, @command quotes seem unnecessary, so use \code. \let\indicateurl=\code \let\env=\code \let\command=\code % @clicksequence{File @click{} Open ...} \def\clicksequence#1{\begingroup #1\endgroup} % @clickstyle @arrow (by default) \parseargdef\clickstyle{\def\click{#1}} \def\click{\arrow} % Typeset a dimension, e.g., `in' or `pt'. The only reason for the % argument is to make the input look right: @dmn{pt} instead of @dmn{}pt. % \def\dmn#1{\thinspace #1} % @l was never documented to mean ``switch to the Lisp font'', % and it is not used as such in any manual I can find. We need it for % Polish suppressed-l. --karl, 22sep96. %\def\l#1{{\li #1}\null} % @acronym for "FBI", "NATO", and the like. % We print this one point size smaller, since it's intended for % all-uppercase. % \def\acronym#1{\doacronym #1,,\finish} \def\doacronym#1,#2,#3\finish{% {\selectfonts\lsize #1}% \def\temp{#2}% \ifx\temp\empty \else \space ({\unsepspaces \ignorespaces \temp \unskip})% \fi \null % reset \spacefactor=1000 } % @abbr for "Comput. J." and the like. % No font change, but don't do end-of-sentence spacing. % \def\abbr#1{\doabbr #1,,\finish} \def\doabbr#1,#2,#3\finish{% {\plainfrenchspacing #1}% \def\temp{#2}% \ifx\temp\empty \else \space ({\unsepspaces \ignorespaces \temp \unskip})% \fi \null % reset \spacefactor=1000 } % @asis just yields its argument. Used with @table, for example. % \def\asis#1{#1} % @math outputs its argument in math mode. % % One complication: _ usually means subscripts, but it could also mean % an actual _ character, as in @math{@var{some_variable} + 1}. So make % _ active, and distinguish by seeing if the current family is \slfam, % which is what @var uses. { \catcode`\_ = \active \gdef\mathunderscore{% \catcode`\_=\active \def_{\ifnum\fam=\slfam \_\else\sb\fi}% } } % Another complication: we want \\ (and @\) to output a math (or tt) \. % FYI, plain.tex uses \\ as a temporary control sequence (for no % particular reason), but this is not advertised and we don't care. % % The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. \def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} % \def\math{% \tex \mathunderscore \let\\ = \mathbackslash \mathactive % make the texinfo accent commands work in math mode \let\"=\ddot \let\'=\acute \let\==\bar \let\^=\hat \let\`=\grave \let\u=\breve \let\v=\check \let\~=\tilde \let\dotaccent=\dot $\finishmath } \def\finishmath#1{#1$\endgroup} % Close the group opened by \tex. % Some active characters (such as <) are spaced differently in math. % We have to reset their definitions in case the @math was an argument % to a command which sets the catcodes (such as @item or @section). % { \catcode`^ = \active \catcode`< = \active \catcode`> = \active \catcode`+ = \active \catcode`' = \active \gdef\mathactive{% \let^ = \ptexhat \let< = \ptexless \let> = \ptexgtr \let+ = \ptexplus \let' = \ptexquoteright } } % @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}. % Ignore unless FMTNAME == tex; then it is like @iftex and @tex, % except specified as a normal braced arg, so no newlines to worry about. % \def\outfmtnametex{tex} % \long\def\inlinefmt#1{\doinlinefmt #1,\finish} \long\def\doinlinefmt#1,#2,\finish{% \def\inlinefmtname{#1}% \ifx\inlinefmtname\outfmtnametex \ignorespaces #2\fi } % For raw, must switch into @tex before parsing the argument, to avoid % setting catcodes prematurely. Doing it this way means that, for % example, @inlineraw{html, foo{bar} gets a parse error instead of being % ignored. But this isn't important because if people want a literal % *right* brace they would have to use a command anyway, so they may as % well use a command to get a left brace too. We could re-use the % delimiter character idea from \verb, but it seems like overkill. % \long\def\inlineraw{\tex \doinlineraw} \long\def\doinlineraw#1{\doinlinerawtwo #1,\finish} \def\doinlinerawtwo#1,#2,\finish{% \def\inlinerawname{#1}% \ifx\inlinerawname\outfmtnametex \ignorespaces #2\fi \endgroup % close group opened by \tex. } \message{glyphs,} % and logos. % @@ prints an @, as does @atchar{}. \def\@{\char64 } \let\atchar=\@ % @{ @} @lbracechar{} @rbracechar{} all generate brace characters. % Unless we're in typewriter, use \ecfont because the CM text fonts do % not have braces, and we don't want to switch into math. \def\mylbrace{{\ifmonospace\else\ecfont\fi \char123}} \def\myrbrace{{\ifmonospace\else\ecfont\fi \char125}} \let\{=\mylbrace \let\lbracechar=\{ \let\}=\myrbrace \let\rbracechar=\} \begingroup % Definitions to produce \{ and \} commands for indices, % and @{ and @} for the aux/toc files. \catcode`\{ = \other \catcode`\} = \other \catcode`\[ = 1 \catcode`\] = 2 \catcode`\! = 0 \catcode`\\ = \other !gdef!lbracecmd[\{]% !gdef!rbracecmd[\}]% !gdef!lbraceatcmd[@{]% !gdef!rbraceatcmd[@}]% !endgroup % @comma{} to avoid , parsing problems. \let\comma = , % Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent % Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. \let\, = \ptexc \let\dotaccent = \ptexdot \def\ringaccent#1{{\accent23 #1}} \let\tieaccent = \ptext \let\ubaraccent = \ptexb \let\udotaccent = \d % Other special characters: @questiondown @exclamdown @ordf @ordm % Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. \def\questiondown{?`} \def\exclamdown{!`} \def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}} \def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}} % Dotless i and dotless j, used for accents. \def\imacro{i} \def\jmacro{j} \def\dotless#1{% \def\temp{#1}% \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi \else \errmessage{@dotless can be used only with i or j}% \fi\fi } % The \TeX{} logo, as in plain, but resetting the spacing so that a % period following counts as ending a sentence. (Idea found in latex.) % \edef\TeX{\TeX \spacefactor=1000 } % @LaTeX{} logo. Not quite the same results as the definition in % latex.ltx, since we use a different font for the raised A; it's most % convenient for us to use an explicitly smaller font, rather than using % the \scriptstyle font (since we don't reset \scriptstyle and % \scriptscriptstyle). % \def\LaTeX{% L\kern-.36em {\setbox0=\hbox{T}% \vbox to \ht0{\hbox{% \ifx\textnominalsize\xwordpt % for 10pt running text, \lllsize (8pt) is too small for the A in LaTeX. % Revert to plain's \scriptsize, which is 7pt. \count255=\the\fam $\fam\count255 \scriptstyle A$% \else % For 11pt, we can use our lllsize. \selectfonts\lllsize A% \fi }% \vss }}% \kern-.15em \TeX } % Some math mode symbols. \def\bullet{$\ptexbullet$} \def\geq{\ifmmode \ge\else $\ge$\fi} \def\leq{\ifmmode \le\else $\le$\fi} \def\minus{\ifmmode -\else $-$\fi} % @dots{} outputs an ellipsis using the current font. % We do .5em per period so that it has the same spacing in the cm % typewriter fonts as three actual period characters; on the other hand, % in other typewriter fonts three periods are wider than 1.5em. So do % whichever is larger. % \def\dots{% \leavevmode \setbox0=\hbox{...}% get width of three periods \ifdim\wd0 > 1.5em \dimen0 = \wd0 \else \dimen0 = 1.5em \fi \hbox to \dimen0{% \hskip 0pt plus.25fil .\hskip 0pt plus1fil .\hskip 0pt plus1fil .\hskip 0pt plus.5fil }% } % @enddots{} is an end-of-sentence ellipsis. % \def\enddots{% \dots \spacefactor=\endofsentencespacefactor } % @point{}, @result{}, @expansion{}, @print{}, @equiv{}. % % Since these characters are used in examples, they should be an even number of % \tt widths. Each \tt character is 1en, so two makes it 1em. % \def\point{$\star$} \def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}} \def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} \def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}} \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} \def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}} % The @error{} command. % Adapted from the TeXbook's \boxit. % \newbox\errorbox % {\tentt \global\dimen0 = 3em}% Width of the box. \dimen2 = .55pt % Thickness of rules % The text. (`r' is open on the right, `e' somewhat less so on the left.) \setbox0 = \hbox{\kern-.75pt \reducedsf \putworderror\kern-1.5pt} % \setbox\errorbox=\hbox to \dimen0{\hfil \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. \advance\hsize by -2\dimen2 % Rules. \vbox{% \hrule height\dimen2 \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. \kern3pt\vrule width\dimen2}% Space to right. \hrule height\dimen2} \hfil} % \def\error{\leavevmode\lower.7ex\copy\errorbox} % @pounds{} is a sterling sign, which Knuth put in the CM italic font. % \def\pounds{{\it\$}} % @euro{} comes from a separate font, depending on the current style. % We use the free feym* fonts from the eurosym package by Henrik % Theiling, which support regular, slanted, bold and bold slanted (and % "outlined" (blackboard board, sort of) versions, which we don't need). % It is available from http://www.ctan.org/tex-archive/fonts/eurosym. % % Although only regular is the truly official Euro symbol, we ignore % that. The Euro is designed to be slightly taller than the regular % font height. % % feymr - regular % feymo - slanted % feybr - bold % feybo - bold slanted % % There is no good (free) typewriter version, to my knowledge. % A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide. % Hmm. % % Also doesn't work in math. Do we need to do math with euro symbols? % Hope not. % % \def\euro{{\eurofont e}} \def\eurofont{% % We set the font at each command, rather than predefining it in % \textfonts and the other font-switching commands, so that % installations which never need the symbol don't have to have the % font installed. % % There is only one designed size (nominal 10pt), so we always scale % that to the current nominal size. % % By the way, simply using "at 1em" works for cmr10 and the like, but % does not work for cmbx10 and other extended/shrunken fonts. % \def\eurosize{\csname\curfontsize nominalsize\endcsname}% % \ifx\curfontstyle\bfstylename % bold: \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize \else % regular: \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize \fi \thiseurofont } % Glyphs from the EC fonts. We don't use \let for the aliases, because % sometimes we redefine the original macro, and the alias should reflect % the redefinition. % % Use LaTeX names for the Icelandic letters. \def\DH{{\ecfont \char"D0}} % Eth \def\dh{{\ecfont \char"F0}} % eth \def\TH{{\ecfont \char"DE}} % Thorn \def\th{{\ecfont \char"FE}} % thorn % \def\guillemetleft{{\ecfont \char"13}} \def\guillemotleft{\guillemetleft} \def\guillemetright{{\ecfont \char"14}} \def\guillemotright{\guillemetright} \def\guilsinglleft{{\ecfont \char"0E}} \def\guilsinglright{{\ecfont \char"0F}} \def\quotedblbase{{\ecfont \char"12}} \def\quotesinglbase{{\ecfont \char"0D}} % % This positioning is not perfect (see the ogonek LaTeX package), but % we have the precomposed glyphs for the most common cases. We put the % tests to use those glyphs in the single \ogonek macro so we have fewer % dummy definitions to worry about for index entries, etc. % % ogonek is also used with other letters in Lithuanian (IOU), but using % the precomposed glyphs for those is not so easy since they aren't in % the same EC font. \def\ogonek#1{{% \def\temp{#1}% \ifx\temp\macrocharA\Aogonek \else\ifx\temp\macrochara\aogonek \else\ifx\temp\macrocharE\Eogonek \else\ifx\temp\macrochare\eogonek \else \ecfont \setbox0=\hbox{#1}% \ifdim\ht0=1ex\accent"0C #1% \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}% \fi \fi\fi\fi\fi }% } \def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A} \def\aogonek{{\ecfont \char"A1}}\def\macrochara{a} \def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E} \def\eogonek{{\ecfont \char"A6}}\def\macrochare{e} % % Use the ec* fonts (cm-super in outline format) for non-CM glyphs. \def\ecfont{% % We can't distinguish serif/sans and italic/slanted, but this % is used for crude hacks anyway (like adding French and German % quotes to documents typeset with CM, where we lose kerning), so % hopefully nobody will notice/care. \edef\ecsize{\csname\curfontsize ecsize\endcsname}% \edef\nominalsize{\csname\curfontsize nominalsize\endcsname}% \ifx\curfontstyle\bfstylename % bold: \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize \else % regular: \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize \fi \thisecfont } % @registeredsymbol - R in a circle. The font for the R should really % be smaller yet, but lllsize is the best we can do for now. % Adapted from the plain.tex definition of \copyright. % \def\registeredsymbol{% $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}% \hfil\crcr\Orb}}% }$% } % @textdegree - the normal degrees sign. % \def\textdegree{$^\circ$} % Laurent Siebenmann reports \Orb undefined with: % Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38 % so we'll define it if necessary. % \ifx\Orb\thisisundefined \def\Orb{\mathhexbox20D} \fi % Quotes. \chardef\quotedblleft="5C \chardef\quotedblright=`\" \chardef\quoteleft=`\` \chardef\quoteright=`\' \message{page headings,} \newskip\titlepagetopglue \titlepagetopglue = 1.5in \newskip\titlepagebottomglue \titlepagebottomglue = 2pc % First the title page. Must do @settitle before @titlepage. \newif\ifseenauthor \newif\iffinishedtitlepage % Do an implicit @contents or @shortcontents after @end titlepage if the % user says @setcontentsaftertitlepage or @setshortcontentsaftertitlepage. % \newif\ifsetcontentsaftertitlepage \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue \newif\ifsetshortcontentsaftertitlepage \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue \parseargdef\shorttitlepage{% \begingroup \hbox{}\vskip 1.5in \chaprm \centerline{#1}% \endgroup\page\hbox{}\page} \envdef\titlepage{% % Open one extra group, as we want to close it in the middle of \Etitlepage. \begingroup \parindent=0pt \textfonts % Leave some space at the very top of the page. \vglue\titlepagetopglue % No rule at page bottom unless we print one at the top with @title. \finishedtitlepagetrue % % Most title ``pages'' are actually two pages long, with space % at the top of the second. We don't want the ragged left on the second. \let\oldpage = \page \def\page{% \iffinishedtitlepage\else \finishtitlepage \fi \let\page = \oldpage \page \null }% } \def\Etitlepage{% \iffinishedtitlepage\else \finishtitlepage \fi % It is important to do the page break before ending the group, % because the headline and footline are only empty inside the group. % If we use the new definition of \page, we always get a blank page % after the title page, which we certainly don't want. \oldpage \endgroup % % Need this before the \...aftertitlepage checks so that if they are % in effect the toc pages will come out with page numbers. \HEADINGSon % % If they want short, they certainly want long too. \ifsetshortcontentsaftertitlepage \shortcontents \contents \global\let\shortcontents = \relax \global\let\contents = \relax \fi % \ifsetcontentsaftertitlepage \contents \global\let\contents = \relax \global\let\shortcontents = \relax \fi } \def\finishtitlepage{% \vskip4pt \hrule height 2pt width \hsize \vskip\titlepagebottomglue \finishedtitlepagetrue } % Macros to be used within @titlepage: \let\subtitlerm=\tenrm \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines} \parseargdef\title{% \checkenv\titlepage \leftline{\titlefonts\rmisbold #1} % print a rule at the page bottom also. \finishedtitlepagefalse \vskip4pt \hrule height 4pt width \hsize \vskip4pt } \parseargdef\subtitle{% \checkenv\titlepage {\subtitlefont \rightline{#1}}% } % @author should come last, but may come many times. % It can also be used inside @quotation. % \parseargdef\author{% \def\temp{\quotation}% \ifx\thisenv\temp \def\quotationauthor{#1}% printed in \Equotation. \else \checkenv\titlepage \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi {\secfonts\rmisbold \leftline{#1}}% \fi } % Set up page headings and footings. \let\thispage=\folio \newtoks\evenheadline % headline on even pages \newtoks\oddheadline % headline on odd pages \newtoks\evenfootline % footline on even pages \newtoks\oddfootline % footline on odd pages % Now make TeX use those variables \headline={{\textfonts\rm \ifodd\pageno \the\oddheadline \else \the\evenheadline \fi}} \footline={{\textfonts\rm \ifodd\pageno \the\oddfootline \else \the\evenfootline \fi}\HEADINGShook} \let\HEADINGShook=\relax % Commands to set those variables. % For example, this is what @headings on does % @evenheading @thistitle|@thispage|@thischapter % @oddheading @thischapter|@thispage|@thistitle % @evenfooting @thisfile|| % @oddfooting ||@thisfile \def\evenheading{\parsearg\evenheadingxxx} \def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish} \def\evenheadingyyy #1\|#2\|#3\|#4\finish{% \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \def\oddheading{\parsearg\oddheadingxxx} \def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish} \def\oddheadingyyy #1\|#2\|#3\|#4\finish{% \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% \def\evenfooting{\parsearg\evenfootingxxx} \def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish} \def\evenfootingyyy #1\|#2\|#3\|#4\finish{% \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \def\oddfooting{\parsearg\oddfootingxxx} \def\oddfootingxxx #1{\oddfootingyyy #1\|\|\|\|\finish} \def\oddfootingyyy #1\|#2\|#3\|#4\finish{% \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}% % % Leave some space for the footline. Hopefully ok to assume % @evenfooting will not be used by itself. \global\advance\pageheight by -12pt \global\advance\vsize by -12pt } \parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} % @evenheadingmarks top \thischapter <- chapter at the top of a page % @evenheadingmarks bottom \thischapter <- chapter at the bottom of a page % % The same set of arguments for: % % @oddheadingmarks % @evenfootingmarks % @oddfootingmarks % @everyheadingmarks % @everyfootingmarks \def\evenheadingmarks{\headingmarks{even}{heading}} \def\oddheadingmarks{\headingmarks{odd}{heading}} \def\evenfootingmarks{\headingmarks{even}{footing}} \def\oddfootingmarks{\headingmarks{odd}{footing}} \def\everyheadingmarks#1 {\headingmarks{even}{heading}{#1} \headingmarks{odd}{heading}{#1} } \def\everyfootingmarks#1 {\headingmarks{even}{footing}{#1} \headingmarks{odd}{footing}{#1} } % #1 = even/odd, #2 = heading/footing, #3 = top/bottom. \def\headingmarks#1#2#3 {% \expandafter\let\expandafter\temp \csname get#3headingmarks\endcsname \global\expandafter\let\csname get#1#2marks\endcsname \temp } \everyheadingmarks bottom \everyfootingmarks bottom % @headings double turns headings on for double-sided printing. % @headings single turns headings on for single-sided printing. % @headings off turns them off. % @headings on same as @headings double, retained for compatibility. % @headings after turns on double-sided headings after this page. % @headings doubleafter turns on double-sided headings after this page. % @headings singleafter turns on single-sided headings after this page. % By default, they are off at the start of a document, % and turned `on' after @end titlepage. \def\headings #1 {\csname HEADINGS#1\endcsname} \def\headingsoff{% non-global headings elimination \evenheadline={\hfil}\evenfootline={\hfil}% \oddheadline={\hfil}\oddfootline={\hfil}% } \def\HEADINGSoff{{\globaldefs=1 \headingsoff}} % global setting \HEADINGSoff % it's the default % When we turn headings on, set the page number to 1. % For double-sided printing, put current file name in lower left corner, % chapter name on inside top of right hand pages, document % title on inside top of left hand pages, and page numbers on outside top % edge of all pages. \def\HEADINGSdouble{% \global\pageno=1 \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\folio\hfil\thistitle}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chapoddpage } \let\contentsalignmacro = \chappager % For single-sided printing, chapter title goes across top left of page, % page number on top right. \def\HEADINGSsingle{% \global\pageno=1 \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\thischapter\hfil\folio}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chappager } \def\HEADINGSon{\HEADINGSdouble} \def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex} \let\HEADINGSdoubleafter=\HEADINGSafter \def\HEADINGSdoublex{% \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\folio\hfil\thistitle}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chapoddpage } \def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex} \def\HEADINGSsinglex{% \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\thischapter\hfil\folio}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chappager } % Subroutines used in generating headings % This produces Day Month Year style of output. % Only define if not already defined, in case a txi-??.tex file has set % up a different format (e.g., txi-cs.tex does this). \ifx\today\thisisundefined \def\today{% \number\day\space \ifcase\month \or\putwordMJan\or\putwordMFeb\or\putwordMMar\or\putwordMApr \or\putwordMMay\or\putwordMJun\or\putwordMJul\or\putwordMAug \or\putwordMSep\or\putwordMOct\or\putwordMNov\or\putwordMDec \fi \space\number\year} \fi % @settitle line... specifies the title of the document, for headings. % It generates no output of its own. \def\thistitle{\putwordNoTitle} \def\settitle{\parsearg{\gdef\thistitle}} \message{tables,} % Tables -- @table, @ftable, @vtable, @item(x). % default indentation of table text \newdimen\tableindent \tableindent=.8in % default indentation of @itemize and @enumerate text \newdimen\itemindent \itemindent=.3in % margin between end of table item and start of table text. \newdimen\itemmargin \itemmargin=.1in % used internally for \itemindent minus \itemmargin \newdimen\itemmax % Note @table, @ftable, and @vtable define @item, @itemx, etc., with % these defs. % They also define \itemindex % to index the item name in whatever manner is desired (perhaps none). \newif\ifitemxneedsnegativevskip \def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi} \def\internalBitem{\smallbreak \parsearg\itemzzz} \def\internalBitemx{\itemxpar \parsearg\itemzzz} \def\itemzzz #1{\begingroup % \advance\hsize by -\rightskip \advance\hsize by -\tableindent \setbox0=\hbox{\itemindicate{#1}}% \itemindex{#1}% \nobreak % This prevents a break before @itemx. % % If the item text does not fit in the space we have, put it on a line % by itself, and do not allow a page break either before or after that % line. We do not start a paragraph here because then if the next % command is, e.g., @kindex, the whatsit would get put into the % horizontal list on a line by itself, resulting in extra blank space. \ifdim \wd0>\itemmax % % Make this a paragraph so we get the \parskip glue and wrapping, % but leave it ragged-right. \begingroup \advance\leftskip by-\tableindent \advance\hsize by\tableindent \advance\rightskip by0pt plus1fil\relax \leavevmode\unhbox0\par \endgroup % % We're going to be starting a paragraph, but we don't want the % \parskip glue -- logically it's part of the @item we just started. \nobreak \vskip-\parskip % % Stop a page break at the \parskip glue coming up. However, if % what follows is an environment such as @example, there will be no % \parskip glue; then the negative vskip we just inserted would % cause the example and the item to crash together. So we use this % bizarre value of 10001 as a signal to \aboveenvbreak to insert % \parskip glue after all. Section titles are handled this way also. % \penalty 10001 \endgroup \itemxneedsnegativevskipfalse \else % The item text fits into the space. Start a paragraph, so that the % following text (if any) will end up on the same line. \noindent % Do this with kerns and \unhbox so that if there is a footnote in % the item text, it can migrate to the main vertical list and % eventually be printed. \nobreak\kern-\tableindent \dimen0 = \itemmax \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0 \unhbox0 \nobreak\kern\dimen0 \endgroup \itemxneedsnegativevskiptrue \fi } \def\item{\errmessage{@item while not in a list environment}} \def\itemx{\errmessage{@itemx while not in a list environment}} % @table, @ftable, @vtable. \envdef\table{% \let\itemindex\gobble \tablecheck{table}% } \envdef\ftable{% \def\itemindex ##1{\doind {fn}{\code{##1}}}% \tablecheck{ftable}% } \envdef\vtable{% \def\itemindex ##1{\doind {vr}{\code{##1}}}% \tablecheck{vtable}% } \def\tablecheck#1{% \ifnum \the\catcode`\^^M=\active \endgroup \errmessage{This command won't work in this context; perhaps the problem is that we are \inenvironment\thisenv}% \def\next{\doignore{#1}}% \else \let\next\tablex \fi \next } \def\tablex#1{% \def\itemindicate{#1}% \parsearg\tabley } \def\tabley#1{% {% \makevalueexpandable \edef\temp{\noexpand\tablez #1\space\space\space}% \expandafter }\temp \endtablez } \def\tablez #1 #2 #3 #4\endtablez{% \aboveenvbreak \ifnum 0#1>0 \advance \leftskip by #1\mil \fi \ifnum 0#2>0 \tableindent=#2\mil \fi \ifnum 0#3>0 \advance \rightskip by #3\mil \fi \itemmax=\tableindent \advance \itemmax by -\itemmargin \advance \leftskip by \tableindent \exdentamount=\tableindent \parindent = 0pt \parskip = \smallskipamount \ifdim \parskip=0pt \parskip=2pt \fi \let\item = \internalBitem \let\itemx = \internalBitemx } \def\Etable{\endgraf\afterenvbreak} \let\Eftable\Etable \let\Evtable\Etable \let\Eitemize\Etable \let\Eenumerate\Etable % This is the counter used by @enumerate, which is really @itemize \newcount \itemno \envdef\itemize{\parsearg\doitemize} \def\doitemize#1{% \aboveenvbreak \itemmax=\itemindent \advance\itemmax by -\itemmargin \advance\leftskip by \itemindent \exdentamount=\itemindent \parindent=0pt \parskip=\smallskipamount \ifdim\parskip=0pt \parskip=2pt \fi % % Try typesetting the item mark that if the document erroneously says % something like @itemize @samp (intending @table), there's an error % right away at the @itemize. It's not the best error message in the % world, but it's better than leaving it to the @item. This means if % the user wants an empty mark, they have to say @w{} not just @w. \def\itemcontents{#1}% \setbox0 = \hbox{\itemcontents}% % % @itemize with no arg is equivalent to @itemize @bullet. \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi % \let\item=\itemizeitem } % Definition of @item while inside @itemize and @enumerate. % \def\itemizeitem{% \advance\itemno by 1 % for enumerations {\let\par=\endgraf \smallbreak}% reasonable place to break {% % If the document has an @itemize directly after a section title, a % \nobreak will be last on the list, and \sectionheading will have % done a \vskip-\parskip. In that case, we don't want to zero % parskip, or the item text will crash with the heading. On the % other hand, when there is normal text preceding the item (as there % usually is), we do want to zero parskip, or there would be too much % space. In that case, we won't have a \nobreak before. At least % that's the theory. \ifnum\lastpenalty<10000 \parskip=0in \fi \noindent \hbox to 0pt{\hss \itemcontents \kern\itemmargin}% % \vadjust{\penalty 1200}}% not good to break after first line of item. \flushcr } % \splitoff TOKENS\endmark defines \first to be the first token in % TOKENS, and \rest to be the remainder. % \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}% % Allow an optional argument of an uppercase letter, lowercase letter, % or number, to specify the first label in the enumerated list. No % argument is the same as `1'. % \envparseargdef\enumerate{\enumeratey #1 \endenumeratey} \def\enumeratey #1 #2\endenumeratey{% % If we were given no argument, pretend we were given `1'. \def\thearg{#1}% \ifx\thearg\empty \def\thearg{1}\fi % % Detect if the argument is a single token. If so, it might be a % letter. Otherwise, the only valid thing it can be is a number. % (We will always have one token, because of the test we just made. % This is a good thing, since \splitoff doesn't work given nothing at % all -- the first parameter is undelimited.) \expandafter\splitoff\thearg\endmark \ifx\rest\empty % Only one token in the argument. It could still be anything. % A ``lowercase letter'' is one whose \lccode is nonzero. % An ``uppercase letter'' is one whose \lccode is both nonzero, and % not equal to itself. % Otherwise, we assume it's a number. % % We need the \relax at the end of the \ifnum lines to stop TeX from % continuing to look for a . % \ifnum\lccode\expandafter`\thearg=0\relax \numericenumerate % a number (we hope) \else % It's a letter. \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax \lowercaseenumerate % lowercase letter \else \uppercaseenumerate % uppercase letter \fi \fi \else % Multiple tokens in the argument. We hope it's a number. \numericenumerate \fi } % An @enumerate whose labels are integers. The starting integer is % given in \thearg. % \def\numericenumerate{% \itemno = \thearg \startenumeration{\the\itemno}% } % The starting (lowercase) letter is in \thearg. \def\lowercaseenumerate{% \itemno = \expandafter`\thearg \startenumeration{% % Be sure we're not beyond the end of the alphabet. \ifnum\itemno=0 \errmessage{No more lowercase letters in @enumerate; get a bigger alphabet}% \fi \char\lccode\itemno }% } % The starting (uppercase) letter is in \thearg. \def\uppercaseenumerate{% \itemno = \expandafter`\thearg \startenumeration{% % Be sure we're not beyond the end of the alphabet. \ifnum\itemno=0 \errmessage{No more uppercase letters in @enumerate; get a bigger alphabet} \fi \char\uccode\itemno }% } % Call \doitemize, adding a period to the first argument and supplying the % common last two arguments. Also subtract one from the initial value in % \itemno, since @item increments \itemno. % \def\startenumeration#1{% \advance\itemno by -1 \doitemize{#1.}\flushcr } % @alphaenumerate and @capsenumerate are abbreviations for giving an arg % to @enumerate. % \def\alphaenumerate{\enumerate{a}} \def\capsenumerate{\enumerate{A}} \def\Ealphaenumerate{\Eenumerate} \def\Ecapsenumerate{\Eenumerate} % @multitable macros % Amy Hendrickson, 8/18/94, 3/6/96 % % @multitable ... @end multitable will make as many columns as desired. % Contents of each column will wrap at width given in preamble. Width % can be specified either with sample text given in a template line, % or in percent of \hsize, the current width of text on page. % Table can continue over pages but will only break between lines. % To make preamble: % % Either define widths of columns in terms of percent of \hsize: % @multitable @columnfractions .25 .3 .45 % @item ... % % Numbers following @columnfractions are the percent of the total % current hsize to be used for each column. You may use as many % columns as desired. % Or use a template: % @multitable {Column 1 template} {Column 2 template} {Column 3 template} % @item ... % using the widest term desired in each column. % Each new table line starts with @item, each subsequent new column % starts with @tab. Empty columns may be produced by supplying @tab's % with nothing between them for as many times as empty columns are needed, % ie, @tab@tab@tab will produce two empty columns. % @item, @tab do not need to be on their own lines, but it will not hurt % if they are. % Sample multitable: % @multitable {Column 1 template} {Column 2 template} {Column 3 template} % @item first col stuff @tab second col stuff @tab third col % @item % first col stuff % @tab % second col stuff % @tab % third col % @item first col stuff @tab second col stuff % @tab Many paragraphs of text may be used in any column. % % They will wrap at the width determined by the template. % @item@tab@tab This will be in third column. % @end multitable % Default dimensions may be reset by user. % @multitableparskip is vertical space between paragraphs in table. % @multitableparindent is paragraph indent in table. % @multitablecolmargin is horizontal space to be left between columns. % @multitablelinespace is space to leave between table items, baseline % to baseline. % 0pt means it depends on current normal line spacing. % \newskip\multitableparskip \newskip\multitableparindent \newdimen\multitablecolspace \newskip\multitablelinespace \multitableparskip=0pt \multitableparindent=6pt \multitablecolspace=12pt \multitablelinespace=0pt % Macros used to set up halign preamble: % \let\endsetuptable\relax \def\xendsetuptable{\endsetuptable} \let\columnfractions\relax \def\xcolumnfractions{\columnfractions} \newif\ifsetpercent % #1 is the @columnfraction, usually a decimal number like .5, but might % be just 1. We just use it, whatever it is. % \def\pickupwholefraction#1 {% \global\advance\colcount by 1 \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}% \setuptable } \newcount\colcount \def\setuptable#1{% \def\firstarg{#1}% \ifx\firstarg\xendsetuptable \let\go = \relax \else \ifx\firstarg\xcolumnfractions \global\setpercenttrue \else \ifsetpercent \let\go\pickupwholefraction \else \global\advance\colcount by 1 \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a % separator; typically that is always in the input, anyway. \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}% \fi \fi \ifx\go\pickupwholefraction % Put the argument back for the \pickupwholefraction call, so % we'll always have a period there to be parsed. \def\go{\pickupwholefraction#1}% \else \let\go = \setuptable \fi% \fi \go } % multitable-only commands. % % @headitem starts a heading row, which we typeset in bold. % Assignments have to be global since we are inside the implicit group % of an alignment entry. \everycr resets \everytab so we don't have to % undo it ourselves. \def\headitemfont{\b}% for people to use in the template row; not changeable \def\headitem{% \checkenv\multitable \crcr \global\everytab={\bf}% can't use \headitemfont since the parsing differs \the\everytab % for the first item }% % % A \tab used to include \hskip1sp. But then the space in a template % line is not enough. That is bad. So let's go back to just `&' until % we again encounter the problem the 1sp was intended to solve. % --karl, nathan@acm.org, 20apr99. \def\tab{\checkenv\multitable &\the\everytab}% % @multitable ... @end multitable definitions: % \newtoks\everytab % insert after every tab. % \envdef\multitable{% \vskip\parskip \startsavinginserts % % @item within a multitable starts a normal row. % We use \def instead of \let so that if one of the multitable entries % contains an @itemize, we don't choke on the \item (seen as \crcr aka % \endtemplate) expanding \doitemize. \def\item{\crcr}% % \tolerance=9500 \hbadness=9500 \setmultitablespacing \parskip=\multitableparskip \parindent=\multitableparindent \overfullrule=0pt \global\colcount=0 % \everycr = {% \noalign{% \global\everytab={}% \global\colcount=0 % Reset the column counter. % Check for saved footnotes, etc. \checkinserts % Keeps underfull box messages off when table breaks over pages. %\filbreak % Maybe so, but it also creates really weird page breaks when the % table breaks over pages. Wouldn't \vfil be better? Wait until the % problem manifests itself, so it can be fixed for real --karl. }% }% % \parsearg\domultitable } \def\domultitable#1{% % To parse everything between @multitable and @item: \setuptable#1 \endsetuptable % % This preamble sets up a generic column definition, which will % be used as many times as user calls for columns. % \vtop will set a single line and will also let text wrap and % continue for many paragraphs if desired. \halign\bgroup &% \global\advance\colcount by 1 \multistrut \vtop{% % Use the current \colcount to find the correct column width: \hsize=\expandafter\csname col\the\colcount\endcsname % % In order to keep entries from bumping into each other % we will add a \leftskip of \multitablecolspace to all columns after % the first one. % % If a template has been used, we will add \multitablecolspace % to the width of each template entry. % % If the user has set preamble in terms of percent of \hsize we will % use that dimension as the width of the column, and the \leftskip % will keep entries from bumping into each other. Table will start at % left margin and final column will justify at right margin. % % Make sure we don't inherit \rightskip from the outer environment. \rightskip=0pt \ifnum\colcount=1 % The first column will be indented with the surrounding text. \advance\hsize by\leftskip \else \ifsetpercent \else % If user has not set preamble in terms of percent of \hsize % we will advance \hsize by \multitablecolspace. \advance\hsize by \multitablecolspace \fi % In either case we will make \leftskip=\multitablecolspace: \leftskip=\multitablecolspace \fi % Ignoring space at the beginning and end avoids an occasional spurious % blank line, when TeX decides to break the line at the space before the % box from the multistrut, so the strut ends up on a line by itself. % For example: % @multitable @columnfractions .11 .89 % @item @code{#} % @tab Legal holiday which is valid in major parts of the whole country. % Is automatically provided with highlighting sequences respectively % marking characters. \noindent\ignorespaces##\unskip\multistrut }\cr } \def\Emultitable{% \crcr \egroup % end the \halign \global\setpercentfalse } \def\setmultitablespacing{% \def\multistrut{\strut}% just use the standard line spacing % % Compute \multitablelinespace (if not defined by user) for use in % \multitableparskip calculation. We used define \multistrut based on % this, but (ironically) that caused the spacing to be off. % See bug-texinfo report from Werner Lemberg, 31 Oct 2004 12:52:20 +0100. \ifdim\multitablelinespace=0pt \setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip \global\advance\multitablelinespace by-\ht0 \fi % Test to see if parskip is larger than space between lines of % table. If not, do nothing. % If so, set to same dimension as multitablelinespace. \ifdim\multitableparskip>\multitablelinespace \global\multitableparskip=\multitablelinespace \global\advance\multitableparskip-7pt % to keep parskip somewhat smaller % than skip between lines in the table. \fi% \ifdim\multitableparskip=0pt \global\multitableparskip=\multitablelinespace \global\advance\multitableparskip-7pt % to keep parskip somewhat smaller % than skip between lines in the table. \fi} \message{conditionals,} % @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext, % @ifnotxml always succeed. They currently do nothing; we don't % attempt to check whether the conditionals are properly nested. But we % have to remember that they are conditionals, so that @end doesn't % attempt to close an environment group. % \def\makecond#1{% \expandafter\let\csname #1\endcsname = \relax \expandafter\let\csname iscond.#1\endcsname = 1 } \makecond{iftex} \makecond{ifnotdocbook} \makecond{ifnothtml} \makecond{ifnotinfo} \makecond{ifnotplaintext} \makecond{ifnotxml} % Ignore @ignore, @ifhtml, @ifinfo, and the like. % \def\direntry{\doignore{direntry}} \def\documentdescription{\doignore{documentdescription}} \def\docbook{\doignore{docbook}} \def\html{\doignore{html}} \def\ifdocbook{\doignore{ifdocbook}} \def\ifhtml{\doignore{ifhtml}} \def\ifinfo{\doignore{ifinfo}} \def\ifnottex{\doignore{ifnottex}} \def\ifplaintext{\doignore{ifplaintext}} \def\ifxml{\doignore{ifxml}} \def\ignore{\doignore{ignore}} \def\menu{\doignore{menu}} \def\xml{\doignore{xml}} % Ignore text until a line `@end #1', keeping track of nested conditionals. % % A count to remember the depth of nesting. \newcount\doignorecount \def\doignore#1{\begingroup % Scan in ``verbatim'' mode: \obeylines \catcode`\@ = \other \catcode`\{ = \other \catcode`\} = \other % % Make sure that spaces turn into tokens that match what \doignoretext wants. \spaceisspace % % Count number of #1's that we've seen. \doignorecount = 0 % % Swallow text until we reach the matching `@end #1'. \dodoignore{#1}% } { \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source. \obeylines % % \gdef\dodoignore#1{% % #1 contains the command name as a string, e.g., `ifinfo'. % % Define a command to find the next `@end #1'. \long\def\doignoretext##1^^M@end #1{% \doignoretextyyy##1^^M@#1\_STOP_}% % % And this command to find another #1 command, at the beginning of a % line. (Otherwise, we would consider a line `@c @ifset', for % example, to count as an @ifset for nesting.) \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% % % And now expand that command. \doignoretext ^^M% }% } \def\doignoreyyy#1{% \def\temp{#1}% \ifx\temp\empty % Nothing found. \let\next\doignoretextzzz \else % Found a nested condition, ... \advance\doignorecount by 1 \let\next\doignoretextyyy % ..., look for another. % If we're here, #1 ends with ^^M\ifinfo (for example). \fi \next #1% the token \_STOP_ is present just after this macro. } % We have to swallow the remaining "\_STOP_". % \def\doignoretextzzz#1{% \ifnum\doignorecount = 0 % We have just found the outermost @end. \let\next\enddoignore \else % Still inside a nested condition. \advance\doignorecount by -1 \let\next\doignoretext % Look for the next @end. \fi \next } % Finish off ignored text. { \obeylines% % Ignore anything after the last `@end #1'; this matters in verbatim % environments, where otherwise the newline after an ignored conditional % would result in a blank line in the output. \gdef\enddoignore#1^^M{\endgroup\ignorespaces}% } % @set VAR sets the variable VAR to an empty value. % @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE. % % Since we want to separate VAR from REST-OF-LINE (which might be % empty), we can't just use \parsearg; we have to insert a space of our % own to delimit the rest of the line, and then take it out again if we % didn't need it. % We rely on the fact that \parsearg sets \catcode`\ =10. % \parseargdef\set{\setyyy#1 \endsetyyy} \def\setyyy#1 #2\endsetyyy{% {% \makevalueexpandable \def\temp{#2}% \edef\next{\gdef\makecsname{SET#1}}% \ifx\temp\empty \next{}% \else \setzzz#2\endsetzzz \fi }% } % Remove the trailing space \setxxx inserted. \def\setzzz#1 \endsetzzz{\next{#1}} % @clear VAR clears (i.e., unsets) the variable VAR. % \parseargdef\clear{% {% \makevalueexpandable \global\expandafter\let\csname SET#1\endcsname=\relax }% } % @value{foo} gets the text saved in variable foo. \def\value{\begingroup\makevalueexpandable\valuexxx} \def\valuexxx#1{\expandablevalue{#1}\endgroup} { \catcode`\- = \active \catcode`\_ = \active % \gdef\makevalueexpandable{% \let\value = \expandablevalue % We don't want these characters active, ... \catcode`\-=\other \catcode`\_=\other % ..., but we might end up with active ones in the argument if % we're called from @code, as @code{@value{foo-bar_}}, though. % So \let them to their normal equivalents. \let-\realdash \let_\normalunderscore } } % We have this subroutine so that we can handle at least some @value's % properly in indexes (we call \makevalueexpandable in \indexdummies). % The command has to be fully expandable (if the variable is set), since % the result winds up in the index file. This means that if the % variable's value contains other Texinfo commands, it's almost certain % it will fail (although perhaps we could fix that with sufficient work % to do a one-level expansion on the result, instead of complete). % \def\expandablevalue#1{% \expandafter\ifx\csname SET#1\endcsname\relax {[No value for ``#1'']}% \message{Variable `#1', used in @value, is not set.}% \else \csname SET#1\endcsname \fi } % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined % with @set. % % To get special treatment of `@end ifset,' call \makeond and the redefine. % \makecond{ifset} \def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}} \def\doifset#1#2{% {% \makevalueexpandable \let\next=\empty \expandafter\ifx\csname SET#2\endcsname\relax #1% If not set, redefine \next. \fi \expandafter }\next } \def\ifsetfail{\doignore{ifset}} % @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been % defined with @set, or has been undefined with @clear. % % The `\else' inside the `\doifset' parameter is a trick to reuse the % above code: if the variable is not set, do nothing, if it is set, % then redefine \next to \ifclearfail. % \makecond{ifclear} \def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}} \def\ifclearfail{\doignore{ifclear}} % @dircategory CATEGORY -- specify a category of the dir file % which this file should belong to. Ignore this in TeX. \let\dircategory=\comment % @defininfoenclose. \let\definfoenclose=\comment \message{indexing,} % Index generation facilities % Define \newwrite to be identical to plain tex's \newwrite % except not \outer, so it can be used within macros and \if's. \edef\newwrite{\makecsname{ptexnewwrite}} % \newindex {foo} defines an index named foo. % It automatically defines \fooindex such that % \fooindex ...rest of line... puts an entry in the index foo. % It also defines \fooindfile to be the number of the output channel for % the file that accumulates this index. The file's extension is foo. % The name of an index should be no more than 2 characters long % for the sake of vms. % \def\newindex#1{% \iflinks \expandafter\newwrite \csname#1indfile\endcsname \openout \csname#1indfile\endcsname \jobname.#1 % Open the file \fi \expandafter\xdef\csname#1index\endcsname{% % Define @#1index \noexpand\doindex{#1}} } % @defindex foo == \newindex{foo} % \def\defindex{\parsearg\newindex} % Define @defcodeindex, like @defindex except put all entries in @code. % \def\defcodeindex{\parsearg\newcodeindex} % \def\newcodeindex#1{% \iflinks \expandafter\newwrite \csname#1indfile\endcsname \openout \csname#1indfile\endcsname \jobname.#1 \fi \expandafter\xdef\csname#1index\endcsname{% \noexpand\docodeindex{#1}}% } % @synindex foo bar makes index foo feed into index bar. % Do this instead of @defindex foo if you don't want it as a separate index. % % @syncodeindex foo bar similar, but put all entries made for index foo % inside @code. % \def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}} \def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}} % #1 is \doindex or \docodeindex, #2 the index getting redefined (foo), % #3 the target index (bar). \def\dosynindex#1#2#3{% % Only do \closeout if we haven't already done it, else we'll end up % closing the target index. \expandafter \ifx\csname donesynindex#2\endcsname \relax % The \closeout helps reduce unnecessary open files; the limit on the % Acorn RISC OS is a mere 16 files. \expandafter\closeout\csname#2indfile\endcsname \expandafter\let\csname donesynindex#2\endcsname = 1 \fi % redefine \fooindfile: \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname \expandafter\let\csname#2indfile\endcsname=\temp % redefine \fooindex: \expandafter\xdef\csname#2index\endcsname{\noexpand#1{#3}}% } % Define \doindex, the driver for all \fooindex macros. % Argument #1 is generated by the calling \fooindex macro, % and it is "foo", the name of the index. % \doindex just uses \parsearg; it calls \doind for the actual work. % This is because \doind is more useful to call from other macros. % There is also \dosubind {index}{topic}{subtopic} % which makes an entry in a two-level index such as the operation index. \def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer} \def\singleindexer #1{\doind{\indexname}{#1}} % like the previous two, but they put @code around the argument. \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} % Take care of Texinfo commands that can appear in an index entry. % Since there are some commands we want to expand, and others we don't, % we have to laboriously prevent expansion for those that we don't. % \def\indexdummies{% \escapechar = `\\ % use backslash in output files. \def\@{@}% change to @@ when we switch to @ as escape char in index files. \def\ {\realbackslash\space }% % % Need these unexpandable (because we define \tt as a dummy) % definitions when @{ or @} appear in index entry text. Also, more % complicated, when \tex is in effect and \{ is a \delimiter again. % We can't use \lbracecmd and \rbracecmd because texindex assumes % braces and backslashes are used only as delimiters. Perhaps we % should define @lbrace and @rbrace commands a la @comma. \def\{{{\tt\char123}}% \def\}{{\tt\char125}}% % % I don't entirely understand this, but when an index entry is % generated from a macro call, the \endinput which \scanmacro inserts % causes processing to be prematurely terminated. This is, % apparently, because \indexsorttmp is fully expanded, and \endinput % is an expandable command. The redefinition below makes \endinput % disappear altogether for that purpose -- although logging shows that % processing continues to some further point. On the other hand, it % seems \endinput does not hurt in the printed index arg, since that % is still getting written without apparent harm. % % Sample source (mac-idx3.tex, reported by Graham Percival to % help-texinfo, 22may06): % @macro funindex {WORD} % @findex xyz % @end macro % ... % @funindex commtest % % The above is not enough to reproduce the bug, but it gives the flavor. % % Sample whatsit resulting: % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}} % % So: \let\endinput = \empty % % Do the redefinitions. \commondummies } % For the aux and toc files, @ is the escape character. So we want to % redefine everything using @ as the escape character (instead of % \realbackslash, still used for index files). When everything uses @, % this will be simpler. % \def\atdummies{% \def\@{@@}% \def\ {@ }% \let\{ = \lbraceatcmd \let\} = \rbraceatcmd % % Do the redefinitions. \commondummies \otherbackslash } % Called from \indexdummies and \atdummies. % \def\commondummies{% % % \definedummyword defines \#1 as \string\#1\space, thus effectively % preventing its expansion. This is used only for control words, % not control letters, because the \space would be incorrect for % control characters, but is needed to separate the control word % from whatever follows. % % For control letters, we have \definedummyletter, which omits the % space. % % These can be used both for control words that take an argument and % those that do not. If it is followed by {arg} in the input, then % that will dutifully get written to the index (or wherever). % \def\definedummyword ##1{\def##1{\string##1\space}}% \def\definedummyletter##1{\def##1{\string##1}}% \let\definedummyaccent\definedummyletter % \commondummiesnofonts % \definedummyletter\_% \definedummyletter\-% % % Non-English letters. \definedummyword\AA \definedummyword\AE \definedummyword\DH \definedummyword\L \definedummyword\O \definedummyword\OE \definedummyword\TH \definedummyword\aa \definedummyword\ae \definedummyword\dh \definedummyword\exclamdown \definedummyword\l \definedummyword\o \definedummyword\oe \definedummyword\ordf \definedummyword\ordm \definedummyword\questiondown \definedummyword\ss \definedummyword\th % % Although these internal commands shouldn't show up, sometimes they do. \definedummyword\bf \definedummyword\gtr \definedummyword\hat \definedummyword\less \definedummyword\sf \definedummyword\sl \definedummyword\tclose \definedummyword\tt % \definedummyword\LaTeX \definedummyword\TeX % % Assorted special characters. \definedummyword\arrow \definedummyword\bullet \definedummyword\comma \definedummyword\copyright \definedummyword\registeredsymbol \definedummyword\dots \definedummyword\enddots \definedummyword\entrybreak \definedummyword\equiv \definedummyword\error \definedummyword\euro \definedummyword\expansion \definedummyword\geq \definedummyword\guillemetleft \definedummyword\guillemetright \definedummyword\guilsinglleft \definedummyword\guilsinglright \definedummyword\leq \definedummyword\minus \definedummyword\ogonek \definedummyword\pounds \definedummyword\point \definedummyword\print \definedummyword\quotedblbase \definedummyword\quotedblleft \definedummyword\quotedblright \definedummyword\quoteleft \definedummyword\quoteright \definedummyword\quotesinglbase \definedummyword\result \definedummyword\textdegree % % We want to disable all macros so that they are not expanded by \write. \macrolist % \normalturnoffactive % % Handle some cases of @value -- where it does not contain any % (non-fully-expandable) commands. \makevalueexpandable } % \commondummiesnofonts: common to \commondummies and \indexnofonts. % \def\commondummiesnofonts{% % Control letters and accents. \definedummyletter\!% \definedummyaccent\"% \definedummyaccent\'% \definedummyletter\*% \definedummyaccent\,% \definedummyletter\.% \definedummyletter\/% \definedummyletter\:% \definedummyaccent\=% \definedummyletter\?% \definedummyaccent\^% \definedummyaccent\`% \definedummyaccent\~% \definedummyword\u \definedummyword\v \definedummyword\H \definedummyword\dotaccent \definedummyword\ogonek \definedummyword\ringaccent \definedummyword\tieaccent \definedummyword\ubaraccent \definedummyword\udotaccent \definedummyword\dotless % % Texinfo font commands. \definedummyword\b \definedummyword\i \definedummyword\r \definedummyword\sansserif \definedummyword\sc \definedummyword\slanted \definedummyword\t % % Commands that take arguments. \definedummyword\acronym \definedummyword\anchor \definedummyword\cite \definedummyword\code \definedummyword\command \definedummyword\dfn \definedummyword\dmn \definedummyword\email \definedummyword\emph \definedummyword\env \definedummyword\file \definedummyword\indicateurl \definedummyword\kbd \definedummyword\key \definedummyword\math \definedummyword\option \definedummyword\pxref \definedummyword\ref \definedummyword\samp \definedummyword\strong \definedummyword\tie \definedummyword\uref \definedummyword\url \definedummyword\var \definedummyword\verb \definedummyword\w \definedummyword\xref } % \indexnofonts is used when outputting the strings to sort the index % by, and when constructing control sequence names. It eliminates all % control sequences and just writes whatever the best ASCII sort string % would be for a given command (usually its argument). % \def\indexnofonts{% % Accent commands should become @asis. \def\definedummyaccent##1{\let##1\asis}% % We can just ignore other control letters. \def\definedummyletter##1{\let##1\empty}% % All control words become @asis by default; overrides below. \let\definedummyword\definedummyaccent % \commondummiesnofonts % % Don't no-op \tt, since it isn't a user-level command % and is used in the definitions of the active chars like <, >, |, etc. % Likewise with the other plain tex font commands. %\let\tt=\asis % \def\ { }% \def\@{@}% \def\_{\normalunderscore}% \def\-{}% @- shouldn't affect sorting % % Unfortunately, texindex is not prepared to handle braces in the % content at all. So for index sorting, we map @{ and @} to strings % starting with |, since that ASCII character is between ASCII { and }. \def\{{|a}% \def\}{|b}% % % Non-English letters. \def\AA{AA}% \def\AE{AE}% \def\DH{DZZ}% \def\L{L}% \def\OE{OE}% \def\O{O}% \def\TH{ZZZ}% \def\aa{aa}% \def\ae{ae}% \def\dh{dzz}% \def\exclamdown{!}% \def\l{l}% \def\oe{oe}% \def\ordf{a}% \def\ordm{o}% \def\o{o}% \def\questiondown{?}% \def\ss{ss}% \def\th{zzz}% % \def\LaTeX{LaTeX}% \def\TeX{TeX}% % % Assorted special characters. % (The following {} will end up in the sort string, but that's ok.) \def\arrow{->}% \def\bullet{bullet}% \def\comma{,}% \def\copyright{copyright}% \def\dots{...}% \def\enddots{...}% \def\equiv{==}% \def\error{error}% \def\euro{euro}% \def\expansion{==>}% \def\geq{>=}% \def\guillemetleft{<<}% \def\guillemetright{>>}% \def\guilsinglleft{<}% \def\guilsinglright{>}% \def\leq{<=}% \def\minus{-}% \def\point{.}% \def\pounds{pounds}% \def\print{-|}% \def\quotedblbase{"}% \def\quotedblleft{"}% \def\quotedblright{"}% \def\quoteleft{`}% \def\quoteright{'}% \def\quotesinglbase{,}% \def\registeredsymbol{R}% \def\result{=>}% \def\textdegree{o}% % \expandafter\ifx\csname SETtxiindexlquoteignore\endcsname\relax \else \indexlquoteignore \fi % % We need to get rid of all macros, leaving only the arguments (if present). % Of course this is not nearly correct, but it is the best we can do for now. % makeinfo does not expand macros in the argument to @deffn, which ends up % writing an index entry, and texindex isn't prepared for an index sort entry % that starts with \. % % Since macro invocations are followed by braces, we can just redefine them % to take a single TeX argument. The case of a macro invocation that % goes to end-of-line is not handled. % \macrolist } % Undocumented (for FSFS 2nd ed.): @set txiindexlquoteignore makes us % ignore left quotes in the sort term. {\catcode`\`=\active \gdef\indexlquoteignore{\let`=\empty}} \let\indexbackslash=0 %overridden during \printindex. \let\SETmarginindex=\relax % put index entries in margin (undocumented)? % Most index entries go through here, but \dosubind is the general case. % #1 is the index name, #2 is the entry text. \def\doind#1#2{\dosubind{#1}{#2}{}} % Workhorse for all \fooindexes. % #1 is name of index, #2 is stuff to put there, #3 is subentry -- % empty if called from \doind, as we usually are (the main exception % is with most defuns, which call us directly). % \def\dosubind#1#2#3{% \iflinks {% % Store the main index entry text (including the third arg). \toks0 = {#2}% % If third arg is present, precede it with a space. \def\thirdarg{#3}% \ifx\thirdarg\empty \else \toks0 = \expandafter{\the\toks0 \space #3}% \fi % \edef\writeto{\csname#1indfile\endcsname}% % \safewhatsit\dosubindwrite }% \fi } % Write the entry in \toks0 to the index file: % \def\dosubindwrite{% % Put the index entry in the margin if desired. \ifx\SETmarginindex\relax\else \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}% \fi % % Remember, we are within a group. \indexdummies % Must do this here, since \bf, etc expand at this stage \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. % % Process the index entry with all font commands turned off, to % get the string to sort by. {\indexnofonts \edef\temp{\the\toks0}% need full expansion \xdef\indexsorttmp{\temp}% }% % % Set up the complete index entry, with both the sort key and % the original text, including any font commands. We write % three arguments to \entry to the .?? file (four in the % subentry case), texindex reduces to two when writing the .??s % sorted result. \edef\temp{% \write\writeto{% \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}% }% \temp } % Take care of unwanted page breaks/skips around a whatsit: % % If a skip is the last thing on the list now, preserve it % by backing up by \lastskip, doing the \write, then inserting % the skip again. Otherwise, the whatsit generated by the % \write or \pdfdest will make \lastskip zero. The result is that % sequences like this: % @end defun % @tindex whatever % @defun ... % will have extra space inserted, because the \medbreak in the % start of the @defun won't see the skip inserted by the @end of % the previous defun. % % But don't do any of this if we're not in vertical mode. We % don't want to do a \vskip and prematurely end a paragraph. % % Avoid page breaks due to these extra skips, too. % % But wait, there is a catch there: % We'll have to check whether \lastskip is zero skip. \ifdim is not % sufficient for this purpose, as it ignores stretch and shrink parts % of the skip. The only way seems to be to check the textual % representation of the skip. % % The following is almost like \def\zeroskipmacro{0.0pt} except that % the ``p'' and ``t'' characters have catcode \other, not 11 (letter). % \edef\zeroskipmacro{\expandafter\the\csname z@skip\endcsname} % \newskip\whatsitskip \newcount\whatsitpenalty % % ..., ready, GO: % \def\safewhatsit#1{\ifhmode #1% \else % \lastskip and \lastpenalty cannot both be nonzero simultaneously. \whatsitskip = \lastskip \edef\lastskipmacro{\the\lastskip}% \whatsitpenalty = \lastpenalty % % If \lastskip is nonzero, that means the last item was a % skip. And since a skip is discardable, that means this % -\whatsitskip glue we're inserting is preceded by a % non-discardable item, therefore it is not a potential % breakpoint, therefore no \nobreak needed. \ifx\lastskipmacro\zeroskipmacro \else \vskip-\whatsitskip \fi % #1% % \ifx\lastskipmacro\zeroskipmacro % If \lastskip was zero, perhaps the last item was a penalty, and % perhaps it was >=10000, e.g., a \nobreak. In that case, we want % to re-insert the same penalty (values >10000 are used for various % signals); since we just inserted a non-discardable item, any % following glue (such as a \parskip) would be a breakpoint. For example: % @deffn deffn-whatever % @vindex index-whatever % Description. % would allow a break between the index-whatever whatsit % and the "Description." paragraph. \ifnum\whatsitpenalty>9999 \penalty\whatsitpenalty \fi \else % On the other hand, if we had a nonzero \lastskip, % this make-up glue would be preceded by a non-discardable item % (the whatsit from the \write), so we must insert a \nobreak. \nobreak\vskip\whatsitskip \fi \fi} % The index entry written in the file actually looks like % \entry {sortstring}{page}{topic} % or % \entry {sortstring}{page}{topic}{subtopic} % The texindex program reads in these files and writes files % containing these kinds of lines: % \initial {c} % before the first topic whose initial is c % \entry {topic}{pagelist} % for a topic that is used without subtopics % \primary {topic} % for the beginning of a topic that is used with subtopics % \secondary {subtopic}{pagelist} % for each subtopic. % Define the user-accessible indexing commands % @findex, @vindex, @kindex, @cindex. \def\findex {\fnindex} \def\kindex {\kyindex} \def\cindex {\cpindex} \def\vindex {\vrindex} \def\tindex {\tpindex} \def\pindex {\pgindex} \def\cindexsub {\begingroup\obeylines\cindexsub} {\obeylines % \gdef\cindexsub "#1" #2^^M{\endgroup % \dosubind{cp}{#2}{#1}}} % Define the macros used in formatting output of the sorted index material. % @printindex causes a particular index (the ??s file) to get printed. % It does not print any chapter heading (usually an @unnumbered). % \parseargdef\printindex{\begingroup \dobreak \chapheadingskip{10000}% % \smallfonts \rm \tolerance = 9500 \plainfrenchspacing \everypar = {}% don't want the \kern\-parindent from indentation suppression. % % See if the index file exists and is nonempty. % Change catcode of @ here so that if the index file contains % \initial {@} % as its first line, TeX doesn't complain about mismatched braces % (because it thinks @} is a control sequence). \catcode`\@ = 11 \openin 1 \jobname.#1s \ifeof 1 % \enddoublecolumns gets confused if there is no text in the index, % and it loses the chapter title and the aux file entries for the % index. The easiest way to prevent this problem is to make sure % there is some text. \putwordIndexNonexistent \else % % If the index file exists but is empty, then \openin leaves \ifeof % false. We have to make TeX try to read something from the file, so % it can discover if there is anything in it. \read 1 to \temp \ifeof 1 \putwordIndexIsEmpty \else % Index files are almost Texinfo source, but we use \ as the escape % character. It would be better to use @, but that's too big a change % to make right now. \def\indexbackslash{\backslashcurfont}% \catcode`\\ = 0 \escapechar = `\\ \begindoublecolumns \input \jobname.#1s \enddoublecolumns \fi \fi \closein 1 \endgroup} % These macros are used by the sorted index file itself. % Change them to control the appearance of the index. \def\initial#1{{% % Some minor font changes for the special characters. \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt % % Remove any glue we may have, we'll be inserting our own. \removelastskip % % We like breaks before the index initials, so insert a bonus. \nobreak \vskip 0pt plus 3\baselineskip \penalty 0 \vskip 0pt plus -3\baselineskip % % Typeset the initial. Making this add up to a whole number of % baselineskips increases the chance of the dots lining up from column % to column. It still won't often be perfect, because of the stretch % we need before each entry, but it's better. % % No shrink because it confuses \balancecolumns. \vskip 1.67\baselineskip plus .5\baselineskip \leftline{\secbf #1}% % Do our best not to break after the initial. \nobreak \vskip .33\baselineskip plus .1\baselineskip }} % \entry typesets a paragraph consisting of the text (#1), dot leaders, and % then page number (#2) flushed to the right margin. It is used for index % and table of contents entries. The paragraph is indented by \leftskip. % % A straightforward implementation would start like this: % \def\entry#1#2{... % But this freezes the catcodes in the argument, and can cause problems to % @code, which sets - active. This problem was fixed by a kludge--- % ``-'' was active throughout whole index, but this isn't really right. % The right solution is to prevent \entry from swallowing the whole text. % --kasal, 21nov03 \def\entry{% \begingroup % % Start a new paragraph if necessary, so our assignments below can't % affect previous text. \par % % Do not fill out the last line with white space. \parfillskip = 0in % % No extra space above this paragraph. \parskip = 0in % % Do not prefer a separate line ending with a hyphen to fewer lines. \finalhyphendemerits = 0 % % \hangindent is only relevant when the entry text and page number % don't both fit on one line. In that case, bob suggests starting the % dots pretty far over on the line. Unfortunately, a large % indentation looks wrong when the entry text itself is broken across % lines. So we use a small indentation and put up with long leaders. % % \hangafter is reset to 1 (which is the value we want) at the start % of each paragraph, so we need not do anything with that. \hangindent = 2em % % When the entry text needs to be broken, just fill out the first line % with blank space. \rightskip = 0pt plus1fil % % A bit of stretch before each entry for the benefit of balancing % columns. \vskip 0pt plus1pt % % When reading the text of entry, convert explicit line breaks % from @* into spaces. The user might give these in long section % titles, for instance. \def\*{\unskip\space\ignorespaces}% \def\entrybreak{\hfil\break}% % % Swallow the left brace of the text (first parameter): \afterassignment\doentry \let\temp = } \def\entrybreak{\unskip\space\ignorespaces}% \def\doentry{% \bgroup % Instead of the swallowed brace. \noindent \aftergroup\finishentry % And now comes the text of the entry. } \def\finishentry#1{% % #1 is the page number. % % The following is kludged to not output a line of dots in the index if % there are no page numbers. The next person who breaks this will be % cursed by a Unix daemon. \setbox\boxA = \hbox{#1}% \ifdim\wd\boxA = 0pt \ % \else % % If we must, put the page number on a line of its own, and fill out % this line with blank space. (The \hfil is overwhelmed with the % fill leaders glue in \indexdotfill if the page number does fit.) \hfil\penalty50 \null\nobreak\indexdotfill % Have leaders before the page number. % % The `\ ' here is removed by the implicit \unskip that TeX does as % part of (the primitive) \par. Without it, a spurious underfull % \hbox ensues. \ifpdf \pdfgettoks#1.% \ \the\toksA \else \ #1% \fi \fi \par \endgroup } % Like plain.tex's \dotfill, except uses up at least 1 em. \def\indexdotfill{\cleaders \hbox{$\mathsurround=0pt \mkern1.5mu.\mkern1.5mu$}\hskip 1em plus 1fill} \def\primary #1{\line{#1\hfil}} \newskip\secondaryindent \secondaryindent=0.5cm \def\secondary#1#2{{% \parfillskip=0in \parskip=0in \hangindent=1in \hangafter=1 \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill \ifpdf \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. \else #2 \fi \par }} % Define two-column mode, which we use to typeset indexes. % Adapted from the TeXbook, page 416, which is to say, % the manmac.tex format used to print the TeXbook itself. \catcode`\@=11 \newbox\partialpage \newdimen\doublecolumnhsize \def\begindoublecolumns{\begingroup % ended by \enddoublecolumns % Grab any single-column material above us. \output = {% % % Here is a possibility not foreseen in manmac: if we accumulate a % whole lot of material, we might end up calling this \output % routine twice in a row (see the doublecol-lose test, which is % essentially a couple of indexes with @setchapternewpage off). In % that case we just ship out what is in \partialpage with the normal % output routine. Generally, \partialpage will be empty when this % runs and this will be a no-op. See the indexspread.tex test case. \ifvoid\partialpage \else \onepageout{\pagecontents\partialpage}% \fi % \global\setbox\partialpage = \vbox{% % Unvbox the main output page. \unvbox\PAGE \kern-\topskip \kern\baselineskip }% }% \eject % run that output routine to set \partialpage % % Use the double-column output routine for subsequent pages. \output = {\doublecolumnout}% % % Change the page size parameters. We could do this once outside this % routine, in each of @smallbook, @afourpaper, and the default 8.5x11 % format, but then we repeat the same computation. Repeating a couple % of assignments once per index is clearly meaningless for the % execution time, so we may as well do it in one place. % % First we halve the line length, less a little for the gutter between % the columns. We compute the gutter based on the line length, so it % changes automatically with the paper format. The magic constant % below is chosen so that the gutter has the same value (well, +-<1pt) % as it did when we hard-coded it. % % We put the result in a separate register, \doublecolumhsize, so we % can restore it in \pagesofar, after \hsize itself has (potentially) % been clobbered. % \doublecolumnhsize = \hsize \advance\doublecolumnhsize by -.04154\hsize \divide\doublecolumnhsize by 2 \hsize = \doublecolumnhsize % % Double the \vsize as well. (We don't need a separate register here, % since nobody clobbers \vsize.) \vsize = 2\vsize } % The double-column output routine for all double-column pages except % the last. % \def\doublecolumnout{% \splittopskip=\topskip \splitmaxdepth=\maxdepth % Get the available space for the double columns -- the normal % (undoubled) page height minus any material left over from the % previous page. \dimen@ = \vsize \divide\dimen@ by 2 \advance\dimen@ by -\ht\partialpage % % box0 will be the left-hand column, box2 the right. \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@ \onepageout\pagesofar \unvbox255 \penalty\outputpenalty } % % Re-output the contents of the output page -- any previous material, % followed by the two boxes we just split, in box0 and box2. \def\pagesofar{% \unvbox\partialpage % \hsize = \doublecolumnhsize \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}% } % % All done with double columns. \def\enddoublecolumns{% % The following penalty ensures that the page builder is exercised % _before_ we change the output routine. This is necessary in the % following situation: % % The last section of the index consists only of a single entry. % Before this section, \pagetotal is less than \pagegoal, so no % break occurs before the last section starts. However, the last % section, consisting of \initial and the single \entry, does not % fit on the page and has to be broken off. Without the following % penalty the page builder will not be exercised until \eject % below, and by that time we'll already have changed the output % routine to the \balancecolumns version, so the next-to-last % double-column page will be processed with \balancecolumns, which % is wrong: The two columns will go to the main vertical list, with % the broken-off section in the recent contributions. As soon as % the output routine finishes, TeX starts reconsidering the page % break. The two columns and the broken-off section both fit on the % page, because the two columns now take up only half of the page % goal. When TeX sees \eject from below which follows the final % section, it invokes the new output routine that we've set after % \balancecolumns below; \onepageout will try to fit the two columns % and the final section into the vbox of \pageheight (see % \pagebody), causing an overfull box. % % Note that glue won't work here, because glue does not exercise the % page builder, unlike penalties (see The TeXbook, pp. 280-281). \penalty0 % \output = {% % Split the last of the double-column material. Leave it on the % current page, no automatic page break. \balancecolumns % % If we end up splitting too much material for the current page, % though, there will be another page break right after this \output % invocation ends. Having called \balancecolumns once, we do not % want to call it again. Therefore, reset \output to its normal % definition right away. (We hope \balancecolumns will never be % called on to balance too much material, but if it is, this makes % the output somewhat more palatable.) \global\output = {\onepageout{\pagecontents\PAGE}}% }% \eject \endgroup % started in \begindoublecolumns % % \pagegoal was set to the doubled \vsize above, since we restarted % the current page. We're now back to normal single-column % typesetting, so reset \pagegoal to the normal \vsize (after the % \endgroup where \vsize got restored). \pagegoal = \vsize } % % Called at the end of the double column material. \def\balancecolumns{% \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120. \dimen@ = \ht0 \advance\dimen@ by \topskip \advance\dimen@ by-\baselineskip \divide\dimen@ by 2 % target to split to %debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}% \splittopskip = \topskip % Loop until we get a decent breakpoint. {% \vbadness = 10000 \loop \global\setbox3 = \copy0 \global\setbox1 = \vsplit3 to \dimen@ \ifdim\ht3>\dimen@ \global\advance\dimen@ by 1pt \repeat }% %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}% \setbox0=\vbox to\dimen@{\unvbox1}% \setbox2=\vbox to\dimen@{\unvbox3}% % \pagesofar } \catcode`\@ = \other \message{sectioning,} % Chapters, sections, etc. % Let's start with @part. \outer\parseargdef\part{\partzzz{#1}} \def\partzzz#1{% \chapoddpage \null \vskip.3\vsize % move it down on the page a bit \begingroup \noindent \titlefonts\rmisbold #1\par % the text \let\lastnode=\empty % no node to associate with \writetocentry{part}{#1}{}% but put it in the toc \headingsoff % no headline or footline on the part page \chapoddpage \endgroup } % \unnumberedno is an oxymoron. But we count the unnumbered % sections so that we can refer to them unambiguously in the pdf % outlines by their "section number". We avoid collisions with chapter % numbers by starting them at 10000. (If a document ever has 10000 % chapters, we're in trouble anyway, I'm sure.) \newcount\unnumberedno \unnumberedno = 10000 \newcount\chapno \newcount\secno \secno=0 \newcount\subsecno \subsecno=0 \newcount\subsubsecno \subsubsecno=0 % This counter is funny since it counts through charcodes of letters A, B, ... \newcount\appendixno \appendixno = `\@ % % \def\appendixletter{\char\the\appendixno} % We do the following ugly conditional instead of the above simple % construct for the sake of pdftex, which needs the actual % letter in the expansion, not just typeset. % \def\appendixletter{% \ifnum\appendixno=`A A% \else\ifnum\appendixno=`B B% \else\ifnum\appendixno=`C C% \else\ifnum\appendixno=`D D% \else\ifnum\appendixno=`E E% \else\ifnum\appendixno=`F F% \else\ifnum\appendixno=`G G% \else\ifnum\appendixno=`H H% \else\ifnum\appendixno=`I I% \else\ifnum\appendixno=`J J% \else\ifnum\appendixno=`K K% \else\ifnum\appendixno=`L L% \else\ifnum\appendixno=`M M% \else\ifnum\appendixno=`N N% \else\ifnum\appendixno=`O O% \else\ifnum\appendixno=`P P% \else\ifnum\appendixno=`Q Q% \else\ifnum\appendixno=`R R% \else\ifnum\appendixno=`S S% \else\ifnum\appendixno=`T T% \else\ifnum\appendixno=`U U% \else\ifnum\appendixno=`V V% \else\ifnum\appendixno=`W W% \else\ifnum\appendixno=`X X% \else\ifnum\appendixno=`Y Y% \else\ifnum\appendixno=`Z Z% % The \the is necessary, despite appearances, because \appendixletter is % expanded while writing the .toc file. \char\appendixno is not % expandable, thus it is written literally, thus all appendixes come out % with the same letter (or @) in the toc without it. \else\char\the\appendixno \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi} % Each @chapter defines these (using marks) as the number+name, number % and name of the chapter. Page headings and footings can use % these. @section does likewise. \def\thischapter{} \def\thischapternum{} \def\thischaptername{} \def\thissection{} \def\thissectionnum{} \def\thissectionname{} \newcount\absseclevel % used to calculate proper heading level \newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count % @raisesections: treat @section as chapter, @subsection as section, etc. \def\raisesections{\global\advance\secbase by -1} \let\up=\raisesections % original BFox name % @lowersections: treat @chapter as section, @section as subsection, etc. \def\lowersections{\global\advance\secbase by 1} \let\down=\lowersections % original BFox name % we only have subsub. \chardef\maxseclevel = 3 % % A numbered section within an unnumbered changes to unnumbered too. % To achieve this, remember the "biggest" unnum. sec. we are currently in: \chardef\unnlevel = \maxseclevel % % Trace whether the current chapter is an appendix or not: % \chapheadtype is "N" or "A", unnumbered chapters are ignored. \def\chapheadtype{N} % Choose a heading macro % #1 is heading type % #2 is heading level % #3 is text for heading \def\genhead#1#2#3{% % Compute the abs. sec. level: \absseclevel=#2 \advance\absseclevel by \secbase % Make sure \absseclevel doesn't fall outside the range: \ifnum \absseclevel < 0 \absseclevel = 0 \else \ifnum \absseclevel > 3 \absseclevel = 3 \fi \fi % The heading type: \def\headtype{#1}% \if \headtype U% \ifnum \absseclevel < \unnlevel \chardef\unnlevel = \absseclevel \fi \else % Check for appendix sections: \ifnum \absseclevel = 0 \edef\chapheadtype{\headtype}% \else \if \headtype A\if \chapheadtype N% \errmessage{@appendix... within a non-appendix chapter}% \fi\fi \fi % Check for numbered within unnumbered: \ifnum \absseclevel > \unnlevel \def\headtype{U}% \else \chardef\unnlevel = 3 \fi \fi % Now print the heading: \if \headtype U% \ifcase\absseclevel \unnumberedzzz{#3}% \or \unnumberedseczzz{#3}% \or \unnumberedsubseczzz{#3}% \or \unnumberedsubsubseczzz{#3}% \fi \else \if \headtype A% \ifcase\absseclevel \appendixzzz{#3}% \or \appendixsectionzzz{#3}% \or \appendixsubseczzz{#3}% \or \appendixsubsubseczzz{#3}% \fi \else \ifcase\absseclevel \chapterzzz{#3}% \or \seczzz{#3}% \or \numberedsubseczzz{#3}% \or \numberedsubsubseczzz{#3}% \fi \fi \fi \suppressfirstparagraphindent } % an interface: \def\numhead{\genhead N} \def\apphead{\genhead A} \def\unnmhead{\genhead U} % @chapter, @appendix, @unnumbered. Increment top-level counter, reset % all lower-level sectioning counters to zero. % % Also set \chaplevelprefix, which we prepend to @float sequence numbers % (e.g., figures), q.v. By default (before any chapter), that is empty. \let\chaplevelprefix = \empty % \outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz \def\chapterzzz#1{% % section resetting is \global in case the chapter is in a group, such % as an @include file. \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\chapno by 1 % % Used for \float. \gdef\chaplevelprefix{\the\chapno.}% \resetallfloatnos % % \putwordChapter can contain complex things in translations. \toks0=\expandafter{\putwordChapter}% \message{\the\toks0 \space \the\chapno}% % % Write the actual heading. \chapmacro{#1}{Ynumbered}{\the\chapno}% % % So @section and the like are numbered underneath this chapter. \global\let\section = \numberedsec \global\let\subsection = \numberedsubsec \global\let\subsubsection = \numberedsubsubsec } \outer\parseargdef\appendix{\apphead0{#1}} % normally calls appendixzzz % \def\appendixzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\appendixno by 1 \gdef\chaplevelprefix{\appendixletter.}% \resetallfloatnos % % \putwordAppendix can contain complex things in translations. \toks0=\expandafter{\putwordAppendix}% \message{\the\toks0 \space \appendixletter}% % \chapmacro{#1}{Yappendix}{\appendixletter}% % \global\let\section = \appendixsec \global\let\subsection = \appendixsubsec \global\let\subsubsection = \appendixsubsubsec } % normally unnmhead0 calls unnumberedzzz: \outer\parseargdef\unnumbered{\unnmhead0{#1}} \def\unnumberedzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\unnumberedno by 1 % % Since an unnumbered has no number, no prefix for figures. \global\let\chaplevelprefix = \empty \resetallfloatnos % % This used to be simply \message{#1}, but TeX fully expands the % argument to \message. Therefore, if #1 contained @-commands, TeX % expanded them. For example, in `@unnumbered The @cite{Book}', TeX % expanded @cite (which turns out to cause errors because \cite is meant % to be executed, not expanded). % % Anyway, we don't want the fully-expanded definition of @cite to appear % as a result of the \message, we just want `@cite' itself. We use % \the to achieve this: TeX expands \the only once, % simply yielding the contents of . (We also do this for % the toc entries.) \toks0 = {#1}% \message{(\the\toks0)}% % \chapmacro{#1}{Ynothing}{\the\unnumberedno}% % \global\let\section = \unnumberedsec \global\let\subsection = \unnumberedsubsec \global\let\subsubsection = \unnumberedsubsubsec } % @centerchap is like @unnumbered, but the heading is centered. \outer\parseargdef\centerchap{% % Well, we could do the following in a group, but that would break % an assumption that \chapmacro is called at the outermost level. % Thus we are safer this way: --kasal, 24feb04 \let\centerparametersmaybe = \centerparameters \unnmhead0{#1}% \let\centerparametersmaybe = \relax } % @top is like @unnumbered. \let\top\unnumbered % Sections. % \outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz \def\seczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}% } % normally calls appendixsectionzzz: \outer\parseargdef\appendixsection{\apphead1{#1}} \def\appendixsectionzzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}% } \let\appendixsec\appendixsection % normally calls unnumberedseczzz: \outer\parseargdef\unnumberedsec{\unnmhead1{#1}} \def\unnumberedseczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}% } % Subsections. % % normally calls numberedsubseczzz: \outer\parseargdef\numberedsubsec{\numhead2{#1}} \def\numberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}% } % normally calls appendixsubseczzz: \outer\parseargdef\appendixsubsec{\apphead2{#1}} \def\appendixsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno}% } % normally calls unnumberedsubseczzz: \outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} \def\unnumberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynothing}% {\the\unnumberedno.\the\secno.\the\subsecno}% } % Subsubsections. % % normally numberedsubsubseczzz: \outer\parseargdef\numberedsubsubsec{\numhead3{#1}} \def\numberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynumbered}% {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}% } % normally appendixsubsubseczzz: \outer\parseargdef\appendixsubsubsec{\apphead3{#1}} \def\appendixsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}% } % normally unnumberedsubsubseczzz: \outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} \def\unnumberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynothing}% {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}% } % These macros control what the section commands do, according % to what kind of chapter we are in (ordinary, appendix, or unnumbered). % Define them by default for a numbered chapter. \let\section = \numberedsec \let\subsection = \numberedsubsec \let\subsubsection = \numberedsubsubsec % Define @majorheading, @heading and @subheading % NOTE on use of \vbox for chapter headings, section headings, and such: % 1) We use \vbox rather than the earlier \line to permit % overlong headings to fold. % 2) \hyphenpenalty is set to 10000 because hyphenation in a % heading is obnoxious; this forbids it. % 3) Likewise, headings look best if no \parindent is used, and % if justification is not attempted. Hence \raggedright. \def\majorheading{% {\advance\chapheadingskip by 10pt \chapbreak }% \parsearg\chapheadingzzz } \def\chapheading{\chapbreak \parsearg\chapheadingzzz} \def\chapheadingzzz#1{% {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt\ptexraggedright \rmisbold #1\hfill}}% \bigskip \par\penalty 200\relax \suppressfirstparagraphindent } % @heading, @subheading, @subsubheading. \parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} \suppressfirstparagraphindent} \parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} \parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} % These macros generate a chapter, section, etc. heading only % (including whitespace, linebreaking, etc. around it), % given all the information in convenient, parsed form. % Args are the skip and penalty (usually negative) \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi} % Parameter controlling skip before chapter headings (if needed) \newskip\chapheadingskip % Define plain chapter starts, and page on/off switching for it. \def\chapbreak{\dobreak \chapheadingskip {-4000}} \def\chappager{\par\vfill\supereject} % Because \domark is called before \chapoddpage, the filler page will % get the headings for the next chapter, which is wrong. But we don't % care -- we just disable all headings on the filler page. \def\chapoddpage{% \chappager \ifodd\pageno \else \begingroup \headingsoff \null \chappager \endgroup \fi } \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname} \def\CHAPPAGoff{% \global\let\contentsalignmacro = \chappager \global\let\pchapsepmacro=\chapbreak \global\let\pagealignmacro=\chappager} \def\CHAPPAGon{% \global\let\contentsalignmacro = \chappager \global\let\pchapsepmacro=\chappager \global\let\pagealignmacro=\chappager \global\def\HEADINGSon{\HEADINGSsingle}} \def\CHAPPAGodd{% \global\let\contentsalignmacro = \chapoddpage \global\let\pchapsepmacro=\chapoddpage \global\let\pagealignmacro=\chapoddpage \global\def\HEADINGSon{\HEADINGSdouble}} \CHAPPAGon % Chapter opening. % % #1 is the text, #2 is the section type (Ynumbered, Ynothing, % Yappendix, Yomitfromtoc), #3 the chapter number. % % To test against our argument. \def\Ynothingkeyword{Ynothing} \def\Yomitfromtockeyword{Yomitfromtoc} \def\Yappendixkeyword{Yappendix} % \def\chapmacro#1#2#3{% % Insert the first mark before the heading break (see notes for \domark). \let\prevchapterdefs=\lastchapterdefs \let\prevsectiondefs=\lastsectiondefs \gdef\lastsectiondefs{\gdef\thissectionname{}\gdef\thissectionnum{}% \gdef\thissection{}}% % \def\temptype{#2}% \ifx\temptype\Ynothingkeyword \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% \gdef\thischapter{\thischaptername}}% \else\ifx\temptype\Yomitfromtockeyword \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% \gdef\thischapter{}}% \else\ifx\temptype\Yappendixkeyword \toks0={#1}% \xdef\lastchapterdefs{% \gdef\noexpand\thischaptername{\the\toks0}% \gdef\noexpand\thischapternum{\appendixletter}% % \noexpand\putwordAppendix avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thischapter{\noexpand\putwordAppendix{} \noexpand\thischapternum: \noexpand\thischaptername}% }% \else \toks0={#1}% \xdef\lastchapterdefs{% \gdef\noexpand\thischaptername{\the\toks0}% \gdef\noexpand\thischapternum{\the\chapno}% % \noexpand\putwordChapter avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thischapter{\noexpand\putwordChapter{} \noexpand\thischapternum: \noexpand\thischaptername}% }% \fi\fi\fi % % Output the mark. Pass it through \safewhatsit, to take care of % the preceding space. \safewhatsit\domark % % Insert the chapter heading break. \pchapsepmacro % % Now the second mark, after the heading break. No break points % between here and the heading. \let\prevchapterdefs=\lastchapterdefs \let\prevsectiondefs=\lastsectiondefs \domark % {% \chapfonts \rmisbold % % Have to define \lastsection before calling \donoderef, because the % xref code eventually uses it. On the other hand, it has to be called % after \pchapsepmacro, or the headline will change too soon. \gdef\lastsection{#1}% % % Only insert the separating space if we have a chapter/appendix % number, and don't print the unnumbered ``number''. \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unnchap}% \else\ifx\temptype\Yomitfromtockeyword \setbox0 = \hbox{}% contents like unnumbered, but no toc entry \def\toctype{omit}% \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% \def\toctype{app}% \else \setbox0 = \hbox{#3\enspace}% \def\toctype{numchap}% \fi\fi\fi % % Write the toc entry for this chapter. Must come before the % \donoderef, because we include the current node name in the toc % entry, and \donoderef resets it to empty. \writetocentry{\toctype}{#1}{#3}% % % For pdftex, we have to write out the node definition (aka, make % the pdfdest) after any page break, but before the actual text has % been typeset. If the destination for the pdf outline is after the % text, then jumping from the outline may wind up with the text not % being visible, for instance under high magnification. \donoderef{#2}% % % Typeset the actual heading. \nobreak % Avoid page breaks at the interline glue. \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 \centerparametersmaybe \unhbox0 #1\par}% }% \nobreak\bigskip % no page break after a chapter title \nobreak } % @centerchap -- centered and unnumbered. \let\centerparametersmaybe = \relax \def\centerparameters{% \advance\rightskip by 3\rightskip \leftskip = \rightskip \parfillskip = 0pt } % I don't think this chapter style is supported any more, so I'm not % updating it with the new noderef stuff. We'll see. --karl, 11aug03. % \def\setchapterstyle #1 {\csname CHAPF#1\endcsname} % \def\unnchfopen #1{% \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt\ptexraggedright \rmisbold #1\hfill}}\bigskip \par\nobreak } \def\chfopen #1#2{\chapoddpage {\chapfonts \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}% \par\penalty 5000 % } \def\centerchfopen #1{% \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt \hfill {\rmisbold #1}\hfill}}\bigskip \par\nobreak } \def\CHAPFopen{% \global\let\chapmacro=\chfopen \global\let\centerchapmacro=\centerchfopen} % Section titles. These macros combine the section number parts and % call the generic \sectionheading to do the printing. % \newskip\secheadingskip \def\secheadingbreak{\dobreak \secheadingskip{-1000}} % Subsection titles. \newskip\subsecheadingskip \def\subsecheadingbreak{\dobreak \subsecheadingskip{-500}} % Subsubsection titles. \def\subsubsecheadingskip{\subsecheadingskip} \def\subsubsecheadingbreak{\subsecheadingbreak} % Print any size, any type, section title. % % #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is % the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the % section number. % \def\seckeyword{sec} % \def\sectionheading#1#2#3#4{% {% \checkenv{}% should not be in an environment. % % Switch to the right set of fonts. \csname #2fonts\endcsname \rmisbold % \def\sectionlevel{#2}% \def\temptype{#3}% % % Insert first mark before the heading break (see notes for \domark). \let\prevsectiondefs=\lastsectiondefs \ifx\temptype\Ynothingkeyword \ifx\sectionlevel\seckeyword \gdef\lastsectiondefs{\gdef\thissectionname{#1}\gdef\thissectionnum{}% \gdef\thissection{\thissectionname}}% \fi \else\ifx\temptype\Yomitfromtockeyword % Don't redefine \thissection. \else\ifx\temptype\Yappendixkeyword \ifx\sectionlevel\seckeyword \toks0={#1}% \xdef\lastsectiondefs{% \gdef\noexpand\thissectionname{\the\toks0}% \gdef\noexpand\thissectionnum{#4}% % \noexpand\putwordSection avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thissection{\noexpand\putwordSection{} \noexpand\thissectionnum: \noexpand\thissectionname}% }% \fi \else \ifx\sectionlevel\seckeyword \toks0={#1}% \xdef\lastsectiondefs{% \gdef\noexpand\thissectionname{\the\toks0}% \gdef\noexpand\thissectionnum{#4}% % \noexpand\putwordSection avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thissection{\noexpand\putwordSection{} \noexpand\thissectionnum: \noexpand\thissectionname}% }% \fi \fi\fi\fi % % Go into vertical mode. Usually we'll already be there, but we % don't want the following whatsit to end up in a preceding paragraph % if the document didn't happen to have a blank line. \par % % Output the mark. Pass it through \safewhatsit, to take care of % the preceding space. \safewhatsit\domark % % Insert space above the heading. \csname #2headingbreak\endcsname % % Now the second mark, after the heading break. No break points % between here and the heading. \let\prevsectiondefs=\lastsectiondefs \domark % % Only insert the space after the number if we have a section number. \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unn}% \gdef\lastsection{#1}% \else\ifx\temptype\Yomitfromtockeyword % for @headings -- no section number, don't include in toc, % and don't redefine \lastsection. \setbox0 = \hbox{}% \def\toctype{omit}% \let\sectionlevel=\empty \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{#4\enspace}% \def\toctype{app}% \gdef\lastsection{#1}% \else \setbox0 = \hbox{#4\enspace}% \def\toctype{num}% \gdef\lastsection{#1}% \fi\fi\fi % % Write the toc entry (before \donoderef). See comments in \chapmacro. \writetocentry{\toctype\sectionlevel}{#1}{#4}% % % Write the node reference (= pdf destination for pdftex). % Again, see comments in \chapmacro. \donoderef{#3}% % % Interline glue will be inserted when the vbox is completed. % That glue will be a valid breakpoint for the page, since it'll be % preceded by a whatsit (usually from the \donoderef, or from the % \writetocentry if there was no node). We don't want to allow that % break, since then the whatsits could end up on page n while the % section is on page n+1, thus toc/etc. are wrong. Debian bug 276000. \nobreak % % Output the actual section heading. \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 % zero if no section number \unhbox0 #1}% }% % Add extra space after the heading -- half of whatever came above it. % Don't allow stretch, though. \kern .5 \csname #2headingskip\endcsname % % Do not let the kern be a potential breakpoint, as it would be if it % was followed by glue. \nobreak % % We'll almost certainly start a paragraph next, so don't let that % glue accumulate. (Not a breakpoint because it's preceded by a % discardable item.) However, when a paragraph is not started next % (\startdefun, \cartouche, \center, etc.), this needs to be wiped out % or the negative glue will cause weirdly wrong output, typically % obscuring the section heading with something else. \vskip-\parskip % % This is so the last item on the main vertical list is a known % \penalty > 10000, so \startdefun, etc., can recognize the situation % and do the needful. \penalty 10001 } \message{toc,} % Table of contents. \newwrite\tocfile % Write an entry to the toc file, opening it if necessary. % Called from @chapter, etc. % % Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno} % We append the current node name (if any) and page number as additional % arguments for the \{chap,sec,...}entry macros which will eventually % read this. The node name is used in the pdf outlines as the % destination to jump to. % % We open the .toc file for writing here instead of at @setfilename (or % any other fixed time) so that @contents can be anywhere in the document. % But if #1 is `omit', then we don't do anything. This is used for the % table of contents chapter openings themselves. % \newif\iftocfileopened \def\omitkeyword{omit}% % \def\writetocentry#1#2#3{% \edef\writetoctype{#1}% \ifx\writetoctype\omitkeyword \else \iftocfileopened\else \immediate\openout\tocfile = \jobname.toc \global\tocfileopenedtrue \fi % \iflinks {\atdummies \edef\temp{% \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}% \temp }% \fi \fi % % Tell \shipout to create a pdf destination on each page, if we're % writing pdf. These are used in the table of contents. We can't % just write one on every page because the title pages are numbered % 1 and 2 (the page numbers aren't printed), and so are the first % two pages of the document. Thus, we'd have two destinations named % `1', and two named `2'. \ifpdf \global\pdfmakepagedesttrue \fi } % These characters do not print properly in the Computer Modern roman % fonts, so we must take special care. This is more or less redundant % with the Texinfo input format setup at the end of this file. % \def\activecatcodes{% \catcode`\"=\active \catcode`\$=\active \catcode`\<=\active \catcode`\>=\active \catcode`\\=\active \catcode`\^=\active \catcode`\_=\active \catcode`\|=\active \catcode`\~=\active } % Read the toc file, which is essentially Texinfo input. \def\readtocfile{% \setupdatafile \activecatcodes \input \tocreadfilename } \newskip\contentsrightmargin \contentsrightmargin=1in \newcount\savepageno \newcount\lastnegativepageno \lastnegativepageno = -1 % Prepare to read what we've written to \tocfile. % \def\startcontents#1{% % If @setchapternewpage on, and @headings double, the contents should % start on an odd page, unlike chapters. Thus, we maintain % \contentsalignmacro in parallel with \pagealignmacro. % From: Torbjorn Granlund \contentsalignmacro \immediate\closeout\tocfile % % Don't need to put `Contents' or `Short Contents' in the headline. % It is abundantly clear what they are. \chapmacro{#1}{Yomitfromtoc}{}% % \savepageno = \pageno \begingroup % Set up to handle contents files properly. \raggedbottom % Worry more about breakpoints than the bottom. \advance\hsize by -\contentsrightmargin % Don't use the full line length. % % Roman numerals for page numbers. \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi } % redefined for the two-volume lispref. We always output on % \jobname.toc even if this is redefined. % \def\tocreadfilename{\jobname.toc} % Normal (long) toc. % \def\contents{% \startcontents{\putwordTOC}% \openin 1 \tocreadfilename\space \ifeof 1 \else \readtocfile \fi \vfill \eject \contentsalignmacro % in case @setchapternewpage odd is in effect \ifeof 1 \else \pdfmakeoutlines \fi \closein 1 \endgroup \lastnegativepageno = \pageno \global\pageno = \savepageno } % And just the chapters. \def\summarycontents{% \startcontents{\putwordShortTOC}% % \let\partentry = \shortpartentry \let\numchapentry = \shortchapentry \let\appentry = \shortchapentry \let\unnchapentry = \shortunnchapentry % We want a true roman here for the page numbers. \secfonts \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl \let\tt=\shortconttt \rm \hyphenpenalty = 10000 \advance\baselineskip by 1pt % Open it up a little. \def\numsecentry##1##2##3##4{} \let\appsecentry = \numsecentry \let\unnsecentry = \numsecentry \let\numsubsecentry = \numsecentry \let\appsubsecentry = \numsecentry \let\unnsubsecentry = \numsecentry \let\numsubsubsecentry = \numsecentry \let\appsubsubsecentry = \numsecentry \let\unnsubsubsecentry = \numsecentry \openin 1 \tocreadfilename\space \ifeof 1 \else \readtocfile \fi \closein 1 \vfill \eject \contentsalignmacro % in case @setchapternewpage odd is in effect \endgroup \lastnegativepageno = \pageno \global\pageno = \savepageno } \let\shortcontents = \summarycontents % Typeset the label for a chapter or appendix for the short contents. % The arg is, e.g., `A' for an appendix, or `3' for a chapter. % \def\shortchaplabel#1{% % This space should be enough, since a single number is .5em, and the % widest letter (M) is 1em, at least in the Computer Modern fonts. % But use \hss just in case. % (This space doesn't include the extra space that gets added after % the label; that gets put in by \shortchapentry above.) % % We'd like to right-justify chapter numbers, but that looks strange % with appendix letters. And right-justifying numbers and % left-justifying letters looks strange when there is less than 10 % chapters. Have to read the whole toc once to know how many chapters % there are before deciding ... \hbox to 1em{#1\hss}% } % These macros generate individual entries in the table of contents. % The first argument is the chapter or section name. % The last argument is the page number. % The arguments in between are the chapter number, section number, ... % Parts, in the main contents. Replace the part number, which doesn't % exist, with an empty box. Let's hope all the numbers have the same width. % Also ignore the page number, which is conventionally not printed. \def\numeralbox{\setbox0=\hbox{8}\hbox to \wd0{\hfil}} \def\partentry#1#2#3#4{\dochapentry{\numeralbox\labelspace#1}{}} % % Parts, in the short toc. \def\shortpartentry#1#2#3#4{% \penalty-300 \vskip.5\baselineskip plus.15\baselineskip minus.1\baselineskip \shortchapentry{{\bf #1}}{\numeralbox}{}{}% } % Chapters, in the main contents. \def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}} % % Chapters, in the short toc. % See comments in \dochapentry re vbox and related settings. \def\shortchapentry#1#2#3#4{% \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno\bgroup#4\egroup}% } % Appendices, in the main contents. % Need the word Appendix, and a fixed-size box. % \def\appendixbox#1{% % We use M since it's probably the widest letter. \setbox0 = \hbox{\putwordAppendix{} M}% \hbox to \wd0{\putwordAppendix{} #1\hss}} % \def\appentry#1#2#3#4{\dochapentry{\appendixbox{#2}\labelspace#1}{#4}} % Unnumbered chapters. \def\unnchapentry#1#2#3#4{\dochapentry{#1}{#4}} \def\shortunnchapentry#1#2#3#4{\tocentry{#1}{\doshortpageno\bgroup#4\egroup}} % Sections. \def\numsecentry#1#2#3#4{\dosecentry{#2\labelspace#1}{#4}} \let\appsecentry=\numsecentry \def\unnsecentry#1#2#3#4{\dosecentry{#1}{#4}} % Subsections. \def\numsubsecentry#1#2#3#4{\dosubsecentry{#2\labelspace#1}{#4}} \let\appsubsecentry=\numsubsecentry \def\unnsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}} % And subsubsections. \def\numsubsubsecentry#1#2#3#4{\dosubsubsecentry{#2\labelspace#1}{#4}} \let\appsubsubsecentry=\numsubsubsecentry \def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}} % This parameter controls the indentation of the various levels. % Same as \defaultparindent. \newdimen\tocindent \tocindent = 15pt % Now for the actual typesetting. In all these, #1 is the text and #2 is the % page number. % % If the toc has to be broken over pages, we want it to be at chapters % if at all possible; hence the \penalty. \def\dochapentry#1#2{% \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip \begingroup \chapentryfonts \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup \nobreak\vskip .25\baselineskip plus.1\baselineskip } \def\dosecentry#1#2{\begingroup \secentryfonts \leftskip=\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} \def\dosubsecentry#1#2{\begingroup \subsecentryfonts \leftskip=2\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} \def\dosubsubsecentry#1#2{\begingroup \subsubsecentryfonts \leftskip=3\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} % We use the same \entry macro as for the index entries. \let\tocentry = \entry % Space between chapter (or whatever) number and the title. \def\labelspace{\hskip1em \relax} \def\dopageno#1{{\rm #1}} \def\doshortpageno#1{{\rm #1}} \def\chapentryfonts{\secfonts \rm} \def\secentryfonts{\textfonts} \def\subsecentryfonts{\textfonts} \def\subsubsecentryfonts{\textfonts} \message{environments,} % @foo ... @end foo. % @tex ... @end tex escapes into raw TeX temporarily. % One exception: @ is still an escape character, so that @end tex works. % But \@ or @@ will get a plain @ character. \envdef\tex{% \setupmarkupstyle{tex}% \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie \catcode `\%=14 \catcode `\+=\other \catcode `\"=\other \catcode `\|=\other \catcode `\<=\other \catcode `\>=\other \catcode`\`=\other \catcode`\'=\other \escapechar=`\\ % % ' is active in math mode (mathcode"8000). So reset it, and all our % other math active characters (just in case), to plain's definitions. \mathactive % \let\b=\ptexb \let\bullet=\ptexbullet \let\c=\ptexc \let\,=\ptexcomma \let\.=\ptexdot \let\dots=\ptexdots \let\equiv=\ptexequiv \let\!=\ptexexclam \let\i=\ptexi \let\indent=\ptexindent \let\noindent=\ptexnoindent \let\{=\ptexlbrace \let\+=\tabalign \let\}=\ptexrbrace \let\/=\ptexslash \let\*=\ptexstar \let\t=\ptext \expandafter \let\csname top\endcsname=\ptextop % outer \let\frenchspacing=\plainfrenchspacing % \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}% \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}% \def\@{@}% } % There is no need to define \Etex. % Define @lisp ... @end lisp. % @lisp environment forms a group so it can rebind things, % including the definition of @end lisp (which normally is erroneous). % Amount to narrow the margins by for @lisp. \newskip\lispnarrowing \lispnarrowing=0.4in % This is the definition that ^^M gets inside @lisp, @example, and other % such environments. \null is better than a space, since it doesn't % have any width. \def\lisppar{\null\endgraf} % This space is always present above and below environments. \newskip\envskipamount \envskipamount = 0pt % Make spacing and below environment symmetrical. We use \parskip here % to help in doing that, since in @example-like environments \parskip % is reset to zero; thus the \afterenvbreak inserts no space -- but the % start of the next paragraph will insert \parskip. % \def\aboveenvbreak{{% % =10000 instead of <10000 because of a special case in \itemzzz and % \sectionheading, q.v. \ifnum \lastpenalty=10000 \else \advance\envskipamount by \parskip \endgraf \ifdim\lastskip<\envskipamount \removelastskip % it's not a good place to break if the last penalty was \nobreak % or better ... \ifnum\lastpenalty<10000 \penalty-50 \fi \vskip\envskipamount \fi \fi }} \let\afterenvbreak = \aboveenvbreak % \nonarrowing is a flag. If "set", @lisp etc don't narrow margins; it will % also clear it, so that its embedded environments do the narrowing again. \let\nonarrowing=\relax % @cartouche ... @end cartouche: draw rectangle w/rounded corners around % environment contents. \font\circle=lcircle10 \newdimen\circthick \newdimen\cartouter\newdimen\cartinner \newskip\normbskip\newskip\normpskip\newskip\normlskip \circthick=\fontdimen8\circle % \def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth \def\ctr{{\hskip 6pt\circle\char'010}} \def\cbl{{\circle\char'012\hskip -6pt}} \def\cbr{{\hskip 6pt\circle\char'011}} \def\carttop{\hbox to \cartouter{\hskip\lskip \ctl\leaders\hrule height\circthick\hfil\ctr \hskip\rskip}} \def\cartbot{\hbox to \cartouter{\hskip\lskip \cbl\leaders\hrule height\circthick\hfil\cbr \hskip\rskip}} % \newskip\lskip\newskip\rskip \envdef\cartouche{% \ifhmode\par\fi % can't be in the midst of a paragraph. \startsavinginserts \lskip=\leftskip \rskip=\rightskip \leftskip=0pt\rightskip=0pt % we want these *outside*. \cartinner=\hsize \advance\cartinner by-\lskip \advance\cartinner by-\rskip \cartouter=\hsize \advance\cartouter by 18.4pt % allow for 3pt kerns on either % side, and for 6pt waste from % each corner char, and rule thickness \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip % Flag to tell @lisp, etc., not to narrow margin. \let\nonarrowing = t% % % If this cartouche directly follows a sectioning command, we need the % \parskip glue (backspaced over by default) or the cartouche can % collide with the section heading. \ifnum\lastpenalty>10000 \vskip\parskip \penalty\lastpenalty \fi % \vbox\bgroup \baselineskip=0pt\parskip=0pt\lineskip=0pt \carttop \hbox\bgroup \hskip\lskip \vrule\kern3pt \vbox\bgroup \kern3pt \hsize=\cartinner \baselineskip=\normbskip \lineskip=\normlskip \parskip=\normpskip \vskip -\parskip \comment % For explanation, see the end of def\group. } \def\Ecartouche{% \ifhmode\par\fi \kern3pt \egroup \kern3pt\vrule \hskip\rskip \egroup \cartbot \egroup \checkinserts } % This macro is called at the beginning of all the @example variants, % inside a group. \newdimen\nonfillparindent \def\nonfillstart{% \aboveenvbreak \hfuzz = 12pt % Don't be fussy \sepspaces % Make spaces be word-separators rather than space tokens. \let\par = \lisppar % don't ignore blank lines \obeylines % each line of input is a line of output \parskip = 0pt % Turn off paragraph indentation but redefine \indent to emulate % the normal \indent. \nonfillparindent=\parindent \parindent = 0pt \let\indent\nonfillindent % \emergencystretch = 0pt % don't try to avoid overfull boxes \ifx\nonarrowing\relax \advance \leftskip by \lispnarrowing \exdentamount=\lispnarrowing \else \let\nonarrowing = \relax \fi \let\exdent=\nofillexdent } \begingroup \obeyspaces % We want to swallow spaces (but not other tokens) after the fake % @indent in our nonfill-environments, where spaces are normally % active and set to @tie, resulting in them not being ignored after % @indent. \gdef\nonfillindent{\futurelet\temp\nonfillindentcheck}% \gdef\nonfillindentcheck{% \ifx\temp % \expandafter\nonfillindentgobble% \else% \leavevmode\nonfillindentbox% \fi% }% \endgroup \def\nonfillindentgobble#1{\nonfillindent} \def\nonfillindentbox{\hbox to \nonfillparindent{\hss}} % If you want all examples etc. small: @set dispenvsize small. % If you want even small examples the full size: @set dispenvsize nosmall. % This affects the following displayed environments: % @example, @display, @format, @lisp % \def\smallword{small} \def\nosmallword{nosmall} \let\SETdispenvsize\relax \def\setnormaldispenv{% \ifx\SETdispenvsize\smallword % end paragraph for sake of leading, in case document has no blank % line. This is redundant with what happens in \aboveenvbreak, but % we need to do it before changing the fonts, and it's inconvenient % to change the fonts afterward. \ifnum \lastpenalty=10000 \else \endgraf \fi \smallexamplefonts \rm \fi } \def\setsmalldispenv{% \ifx\SETdispenvsize\nosmallword \else \ifnum \lastpenalty=10000 \else \endgraf \fi \smallexamplefonts \rm \fi } % We often define two environments, @foo and @smallfoo. % Let's do it in one command. #1 is the env name, #2 the definition. \def\makedispenvdef#1#2{% \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}% \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}% \expandafter\let\csname E#1\endcsname \afterenvbreak \expandafter\let\csname Esmall#1\endcsname \afterenvbreak } % Define two environment synonyms (#1 and #2) for an environment. \def\maketwodispenvdef#1#2#3{% \makedispenvdef{#1}{#3}% \makedispenvdef{#2}{#3}% } % % @lisp: indented, narrowed, typewriter font; % @example: same as @lisp. % % @smallexample and @smalllisp: use smaller fonts. % Originally contributed by Pavel@xerox. % \maketwodispenvdef{lisp}{example}{% \nonfillstart \tt\setupmarkupstyle{example}% \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. \gobble % eat return } % @display/@smalldisplay: same as @lisp except keep current font. % \makedispenvdef{display}{% \nonfillstart \gobble } % @format/@smallformat: same as @display except don't narrow margins. % \makedispenvdef{format}{% \let\nonarrowing = t% \nonfillstart \gobble } % @flushleft: same as @format, but doesn't obey \SETdispenvsize. \envdef\flushleft{% \let\nonarrowing = t% \nonfillstart \gobble } \let\Eflushleft = \afterenvbreak % @flushright. % \envdef\flushright{% \let\nonarrowing = t% \nonfillstart \advance\leftskip by 0pt plus 1fill\relax \gobble } \let\Eflushright = \afterenvbreak % @raggedright does more-or-less normal line breaking but no right % justification. From plain.tex. \envdef\raggedright{% \rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax } \let\Eraggedright\par \envdef\raggedleft{% \parindent=0pt \leftskip0pt plus2em \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt \hbadness=10000 % Last line will usually be underfull, so turn off % badness reporting. } \let\Eraggedleft\par \envdef\raggedcenter{% \parindent=0pt \rightskip0pt plus1em \leftskip0pt plus1em \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt \hbadness=10000 % Last line will usually be underfull, so turn off % badness reporting. } \let\Eraggedcenter\par % @quotation does normal linebreaking (hence we can't use \nonfillstart) % and narrows the margins. We keep \parskip nonzero in general, since % we're doing normal filling. So, when using \aboveenvbreak and % \afterenvbreak, temporarily make \parskip 0. % \makedispenvdef{quotation}{\quotationstart} % \def\quotationstart{% {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip \parindent=0pt % % @cartouche defines \nonarrowing to inhibit narrowing at next level down. \ifx\nonarrowing\relax \advance\leftskip by \lispnarrowing \advance\rightskip by \lispnarrowing \exdentamount = \lispnarrowing \else \let\nonarrowing = \relax \fi \parsearg\quotationlabel } % We have retained a nonzero parskip for the environment, since we're % doing normal filling. % \def\Equotation{% \par \ifx\quotationauthor\thisisundefined\else % indent a bit. \leftline{\kern 2\leftskip \sl ---\quotationauthor}% \fi {\parskip=0pt \afterenvbreak}% } \def\Esmallquotation{\Equotation} % If we're given an argument, typeset it in bold with a colon after. \def\quotationlabel#1{% \def\temp{#1}% \ifx\temp\empty \else {\bf #1: }% \fi } % LaTeX-like @verbatim...@end verbatim and @verb{...} % If we want to allow any as delimiter, % we need the curly braces so that makeinfo sees the @verb command, eg: % `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org % % [Knuth]: Donald Ervin Knuth, 1996. The TeXbook. % % [Knuth] p.344; only we need to do the other characters Texinfo sets % active too. Otherwise, they get lost as the first character on a % verbatim line. \def\dospecials{% \do\ \do\\\do\{\do\}\do\$\do\&% \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% \do\<\do\>\do\|\do\@\do+\do\"% % Don't do the quotes -- if we do, @set txicodequoteundirected and % @set txicodequotebacktick will not have effect on @verb and % @verbatim, and ?` and !` ligatures won't get disabled. %\do\`\do\'% } % % [Knuth] p. 380 \def\uncatcodespecials{% \def\do##1{\catcode`##1=\other}\dospecials} % % Setup for the @verb command. % % Eight spaces for a tab \begingroup \catcode`\^^I=\active \gdef\tabeightspaces{\catcode`\^^I=\active\def^^I{\ \ \ \ \ \ \ \ }} \endgroup % \def\setupverb{% \tt % easiest (and conventionally used) font for verbatim \def\par{\leavevmode\endgraf}% \setupmarkupstyle{verb}% \tabeightspaces % Respect line breaks, % print special symbols as themselves, and % make each space count % must do in this order: \obeylines \uncatcodespecials \sepspaces } % Setup for the @verbatim environment % % Real tab expansion. \newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount % % We typeset each line of the verbatim in an \hbox, so we can handle % tabs. The \global is in case the verbatim line starts with an accent, % or some other command that starts with a begin-group. Otherwise, the % entire \verbbox would disappear at the corresponding end-group, before % it is typeset. Meanwhile, we can't have nested verbatim commands % (can we?), so the \global won't be overwriting itself. \newbox\verbbox \def\starttabbox{\global\setbox\verbbox=\hbox\bgroup} % \begingroup \catcode`\^^I=\active \gdef\tabexpand{% \catcode`\^^I=\active \def^^I{\leavevmode\egroup \dimen\verbbox=\wd\verbbox % the width so far, or since the previous tab \divide\dimen\verbbox by\tabw \multiply\dimen\verbbox by\tabw % compute previous multiple of \tabw \advance\dimen\verbbox by\tabw % advance to next multiple of \tabw \wd\verbbox=\dimen\verbbox \box\verbbox \starttabbox }% } \endgroup % start the verbatim environment. \def\setupverbatim{% \let\nonarrowing = t% \nonfillstart \tt % easiest (and conventionally used) font for verbatim % The \leavevmode here is for blank lines. Otherwise, we would % never \starttabox and the \egroup would end verbatim mode. \def\par{\leavevmode\egroup\box\verbbox\endgraf}% \tabexpand \setupmarkupstyle{verbatim}% % Respect line breaks, % print special symbols as themselves, and % make each space count. % Must do in this order: \obeylines \uncatcodespecials \sepspaces \everypar{\starttabbox}% } % Do the @verb magic: verbatim text is quoted by unique % delimiter characters. Before first delimiter expect a % right brace, after last delimiter expect closing brace: % % \def\doverb'{'#1'}'{#1} % % [Knuth] p. 382; only eat outer {} \begingroup \catcode`[=1\catcode`]=2\catcode`\{=\other\catcode`\}=\other \gdef\doverb{#1[\def\next##1#1}[##1\endgroup]\next] \endgroup % \def\verb{\begingroup\setupverb\doverb} % % % Do the @verbatim magic: define the macro \doverbatim so that % the (first) argument ends when '@end verbatim' is reached, ie: % % \def\doverbatim#1@end verbatim{#1} % % For Texinfo it's a lot easier than for LaTeX, % because texinfo's \verbatim doesn't stop at '\end{verbatim}': % we need not redefine '\', '{' and '}'. % % Inspired by LaTeX's verbatim command set [latex.ltx] % \begingroup \catcode`\ =\active \obeylines % % ignore everything up to the first ^^M, that's the newline at the end % of the @verbatim input line itself. Otherwise we get an extra blank % line in the output. \xdef\doverbatim#1^^M#2@end verbatim{#2\noexpand\end\gobble verbatim}% % We really want {...\end verbatim} in the body of the macro, but % without the active space; thus we have to use \xdef and \gobble. \endgroup % \envdef\verbatim{% \setupverbatim\doverbatim } \let\Everbatim = \afterenvbreak % @verbatiminclude FILE - insert text of file in verbatim environment. % \def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude} % \def\doverbatiminclude#1{% {% \makevalueexpandable \setupverbatim \indexnofonts % Allow `@@' and other weird things in file names. \wlog{texinfo.tex: doing @verbatiminclude of #1^^J}% \input #1 \afterenvbreak }% } % @copying ... @end copying. % Save the text away for @insertcopying later. % % We save the uninterpreted tokens, rather than creating a box. % Saving the text in a box would be much easier, but then all the % typesetting commands (@smallbook, font changes, etc.) have to be done % beforehand -- and a) we want @copying to be done first in the source % file; b) letting users define the frontmatter in as flexible order as % possible is very desirable. % \def\copying{\checkenv{}\begingroup\scanargctxt\docopying} \def\docopying#1@end copying{\endgroup\def\copyingtext{#1}} % \def\insertcopying{% \begingroup \parindent = 0pt % paragraph indentation looks wrong on title page \scanexp\copyingtext \endgroup } \message{defuns,} % @defun etc. \newskip\defbodyindent \defbodyindent=.4in \newskip\defargsindent \defargsindent=50pt \newskip\deflastargmargin \deflastargmargin=18pt \newcount\defunpenalty % Start the processing of @deffn: \def\startdefun{% \ifnum\lastpenalty<10000 \medbreak \defunpenalty=10003 % Will keep this @deffn together with the % following @def command, see below. \else % If there are two @def commands in a row, we'll have a \nobreak, % which is there to keep the function description together with its % header. But if there's nothing but headers, we need to allow a % break somewhere. Check specifically for penalty 10002, inserted % by \printdefunline, instead of 10000, since the sectioning % commands also insert a nobreak penalty, and we don't want to allow % a break between a section heading and a defun. % % As a further refinement, we avoid "club" headers by signalling % with penalty of 10003 after the very first @deffn in the % sequence (see above), and penalty of 10002 after any following % @def command. \ifnum\lastpenalty=10002 \penalty2000 \else \defunpenalty=10002 \fi % % Similarly, after a section heading, do not allow a break. % But do insert the glue. \medskip % preceded by discardable penalty, so not a breakpoint \fi % \parindent=0in \advance\leftskip by \defbodyindent \exdentamount=\defbodyindent } \def\dodefunx#1{% % First, check whether we are in the right environment: \checkenv#1% % % As above, allow line break if we have multiple x headers in a row. % It's not a great place, though. \ifnum\lastpenalty=10002 \penalty3000 \else \defunpenalty=10002 \fi % % And now, it's time to reuse the body of the original defun: \expandafter\gobbledefun#1% } \def\gobbledefun#1\startdefun{} % \printdefunline \deffnheader{text} % \def\printdefunline#1#2{% \begingroup % call \deffnheader: #1#2 \endheader % common ending: \interlinepenalty = 10000 \advance\rightskip by 0pt plus 1fil\relax \endgraf \nobreak\vskip -\parskip \penalty\defunpenalty % signal to \startdefun and \dodefunx % Some of the @defun-type tags do not enable magic parentheses, % rendering the following check redundant. But we don't optimize. \checkparencounts \endgroup } \def\Edefun{\endgraf\medbreak} % \makedefun{deffn} creates \deffn, \deffnx and \Edeffn; % the only thing remaining is to define \deffnheader. % \def\makedefun#1{% \expandafter\let\csname E#1\endcsname = \Edefun \edef\temp{\noexpand\domakedefun \makecsname{#1}\makecsname{#1x}\makecsname{#1header}}% \temp } % \domakedefun \deffn \deffnx \deffnheader % % Define \deffn and \deffnx, without parameters. % \deffnheader has to be defined explicitly. % \def\domakedefun#1#2#3{% \envdef#1{% \startdefun \doingtypefnfalse % distinguish typed functions from all else \parseargusing\activeparens{\printdefunline#3}% }% \def#2{\dodefunx#1}% \def#3% } \newif\ifdoingtypefn % doing typed function? \newif\ifrettypeownline % typeset return type on its own line? % @deftypefnnewline on|off says whether the return type of typed functions % are printed on their own line. This affects @deftypefn, @deftypefun, % @deftypeop, and @deftypemethod. % \parseargdef\deftypefnnewline{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxideftypefnnl\endcsname = \empty \else\ifx\temp\offword \expandafter\let\csname SETtxideftypefnnl\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @txideftypefnnl value `\temp', must be on|off}% \fi\fi } % Untyped functions: % @deffn category name args \makedefun{deffn}{\deffngeneral{}} % @deffn category class name args \makedefun{defop}#1 {\defopon{#1\ \putwordon}} % \defopon {category on}class name args \def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } % \deffngeneral {subind}category name args % \def\deffngeneral#1#2 #3 #4\endheader{% % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}. \dosubind{fn}{\code{#3}}{#1}% \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}% } % Typed functions: % @deftypefn category type name args \makedefun{deftypefn}{\deftypefngeneral{}} % @deftypeop category class type name args \makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}} % \deftypeopon {category on}class type name args \def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } % \deftypefngeneral {subind}category type name args % \def\deftypefngeneral#1#2 #3 #4 #5\endheader{% \dosubind{fn}{\code{#4}}{#1}% \doingtypefntrue \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } % Typed variables: % @deftypevr category type var args \makedefun{deftypevr}{\deftypecvgeneral{}} % @deftypecv category class type var args \makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}} % \deftypecvof {category of}class type var args \def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} } % \deftypecvgeneral {subind}category type var args % \def\deftypecvgeneral#1#2 #3 #4 #5\endheader{% \dosubind{vr}{\code{#4}}{#1}% \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } % Untyped variables: % @defvr category var args \makedefun{defvr}#1 {\deftypevrheader{#1} {} } % @defcv category class var args \makedefun{defcv}#1 {\defcvof{#1\ \putwordof}} % \defcvof {category of}class var args \def\defcvof#1#2 {\deftypecvof{#1}#2 {} } % Types: % @deftp category name args \makedefun{deftp}#1 #2 #3\endheader{% \doind{tp}{\code{#2}}% \defname{#1}{}{#2}\defunargs{#3\unskip}% } % Remaining @defun-like shortcuts: \makedefun{defun}{\deffnheader{\putwordDeffunc} } \makedefun{defmac}{\deffnheader{\putwordDefmac} } \makedefun{defspec}{\deffnheader{\putwordDefspec} } \makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} } \makedefun{defvar}{\defvrheader{\putwordDefvar} } \makedefun{defopt}{\defvrheader{\putwordDefopt} } \makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} } \makedefun{defmethod}{\defopon\putwordMethodon} \makedefun{deftypemethod}{\deftypeopon\putwordMethodon} \makedefun{defivar}{\defcvof\putwordInstanceVariableof} \makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof} % \defname, which formats the name of the @def (not the args). % #1 is the category, such as "Function". % #2 is the return type, if any. % #3 is the function name. % % We are followed by (but not passed) the arguments, if any. % \def\defname#1#2#3{% \par % Get the values of \leftskip and \rightskip as they were outside the @def... \advance\leftskip by -\defbodyindent % % Determine if we are typesetting the return type of a typed function % on a line by itself. \rettypeownlinefalse \ifdoingtypefn % doing a typed function specifically? % then check user option for putting return type on its own line: \expandafter\ifx\csname SETtxideftypefnnl\endcsname\relax \else \rettypeownlinetrue \fi \fi % % How we'll format the category name. Putting it in brackets helps % distinguish it from the body text that may end up on the next line % just below it. \def\temp{#1}% \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi} % % Figure out line sizes for the paragraph shape. We'll always have at % least two. \tempnum = 2 % % The first line needs space for \box0; but if \rightskip is nonzero, % we need only space for the part of \box0 which exceeds it: \dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip % % If doing a return type on its own line, we'll have another line. \ifrettypeownline \advance\tempnum by 1 \def\maybeshapeline{0in \hsize}% \else \def\maybeshapeline{}% \fi % % The continuations: \dimen2=\hsize \advance\dimen2 by -\defargsindent % % The final paragraph shape: \parshape \tempnum 0in \dimen0 \maybeshapeline \defargsindent \dimen2 % % Put the category name at the right margin. \noindent \hbox to 0pt{% \hfil\box0 \kern-\hsize % \hsize has to be shortened this way: \kern\leftskip % Intentionally do not respect \rightskip, since we need the space. }% % % Allow all lines to be underfull without complaint: \tolerance=10000 \hbadness=10000 \exdentamount=\defbodyindent {% % defun fonts. We use typewriter by default (used to be bold) because: % . we're printing identifiers, they should be in tt in principle. % . in languages with many accents, such as Czech or French, it's % common to leave accents off identifiers. The result looks ok in % tt, but exceedingly strange in rm. % . we don't want -- and --- to be treated as ligatures. % . this still does not fix the ?` and !` ligatures, but so far no % one has made identifiers using them :). \df \tt \def\temp{#2}% text of the return type \ifx\temp\empty\else \tclose{\temp}% typeset the return type \ifrettypeownline % put return type on its own line; prohibit line break following: \hfil\vadjust{\nobreak}\break \else \space % type on same line, so just followed by a space \fi \fi % no return type #3% output function name }% {\rm\enskip}% hskip 0.5 em of \tenrm % \boldbrax % arguments will be output next, if any. } % Print arguments in slanted roman (not ttsl), inconsistently with using % tt for the name. This is because literal text is sometimes needed in % the argument list (groff manual), and ttsl and tt are not very % distinguishable. Prevent hyphenation at `-' chars. % \def\defunargs#1{% % use sl by default (not ttsl), % tt for the names. \df \sl \hyphenchar\font=0 % % On the other hand, if an argument has two dashes (for instance), we % want a way to get ttsl. Let's try @var for that. \def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}% #1% \sl\hyphenchar\font=45 } % We want ()&[] to print specially on the defun line. % \def\activeparens{% \catcode`\(=\active \catcode`\)=\active \catcode`\[=\active \catcode`\]=\active \catcode`\&=\active } % Make control sequences which act like normal parenthesis chars. \let\lparen = ( \let\rparen = ) % Be sure that we always have a definition for `(', etc. For example, % if the fn name has parens in it, \boldbrax will not be in effect yet, % so TeX would otherwise complain about undefined control sequence. { \activeparens \global\let(=\lparen \global\let)=\rparen \global\let[=\lbrack \global\let]=\rbrack \global\let& = \& \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb} \gdef\magicamp{\let&=\amprm} } \newcount\parencount % If we encounter &foo, then turn on ()-hacking afterwards \newif\ifampseen \def\amprm#1 {\ampseentrue{\bf\ }} \def\parenfont{% \ifampseen % At the first level, print parens in roman, % otherwise use the default font. \ifnum \parencount=1 \rm \fi \else % The \sf parens (in \boldbrax) actually are a little bolder than % the contained text. This is especially needed for [ and ] . \sf \fi } \def\infirstlevel#1{% \ifampseen \ifnum\parencount=1 #1% \fi \fi } \def\bfafterword#1 {#1 \bf} \def\opnr{% \global\advance\parencount by 1 {\parenfont(}% \infirstlevel \bfafterword } \def\clnr{% {\parenfont)}% \infirstlevel \sl \global\advance\parencount by -1 } \newcount\brackcount \def\lbrb{% \global\advance\brackcount by 1 {\bf[}% } \def\rbrb{% {\bf]}% \global\advance\brackcount by -1 } \def\checkparencounts{% \ifnum\parencount=0 \else \badparencount \fi \ifnum\brackcount=0 \else \badbrackcount \fi } % these should not use \errmessage; the glibc manual, at least, actually % has such constructs (when documenting function pointers). \def\badparencount{% \message{Warning: unbalanced parentheses in @def...}% \global\parencount=0 } \def\badbrackcount{% \message{Warning: unbalanced square brackets in @def...}% \global\brackcount=0 } \message{macros,} % @macro. % To do this right we need a feature of e-TeX, \scantokens, % which we arrange to emulate with a temporary file in ordinary TeX. \ifx\eTeXversion\thisisundefined \newwrite\macscribble \def\scantokens#1{% \toks0={#1}% \immediate\openout\macscribble=\jobname.tmp \immediate\write\macscribble{\the\toks0}% \immediate\closeout\macscribble \input \jobname.tmp } \fi \def\scanmacro#1{\begingroup \newlinechar`\^^M \let\xeatspaces\eatspaces % % Undo catcode changes of \startcontents and \doprintindex % When called from @insertcopying or (short)caption, we need active % backslash to get it printed correctly. Previously, we had % \catcode`\\=\other instead. We'll see whether a problem appears % with macro expansion. --kasal, 19aug04 \catcode`\@=0 \catcode`\\=\active \escapechar=`\@ % % ... and for \example: \spaceisspace % % The \empty here causes a following catcode 5 newline to be eaten as % part of reading whitespace after a control sequence. It does not % eat a catcode 13 newline. There's no good way to handle the two % cases (untried: maybe e-TeX's \everyeof could help, though plain TeX % would then have different behavior). See the Macro Details node in % the manual for the workaround we recommend for macros and % line-oriented commands. % \scantokens{#1\empty}% \endgroup} \def\scanexp#1{% \edef\temp{\noexpand\scanmacro{#1}}% \temp } \newcount\paramno % Count of parameters \newtoks\macname % Macro name \newif\ifrecursive % Is it recursive? % List of all defined macros in the form % \definedummyword\macro1\definedummyword\macro2... % Currently is also contains all @aliases; the list can be split % if there is a need. \def\macrolist{} % Add the macro to \macrolist \def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname} \def\addtomacrolistxxx#1{% \toks0 = \expandafter{\macrolist\definedummyword#1}% \xdef\macrolist{\the\toks0}% } % Utility routines. % This does \let #1 = #2, with \csnames; that is, % \let \csname#1\endcsname = \csname#2\endcsname % (except of course we have to play expansion games). % \def\cslet#1#2{% \expandafter\let \csname#1\expandafter\endcsname \csname#2\endcsname } % Trim leading and trailing spaces off a string. % Concepts from aro-bend problem 15 (see CTAN). {\catcode`\@=11 \gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }} \gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@} \gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @} \def\unbrace#1{#1} \unbrace{\gdef\trim@@@ #1 } #2@{#1} } % Trim a single trailing ^^M off a string. {\catcode`\^^M=\other \catcode`\Q=3% \gdef\eatcr #1{\eatcra #1Q^^MQ}% \gdef\eatcra#1^^MQ{\eatcrb#1Q}% \gdef\eatcrb#1Q#2Q{#1}% } % Macro bodies are absorbed as an argument in a context where % all characters are catcode 10, 11 or 12, except \ which is active % (as in normal texinfo). It is necessary to change the definition of \ % to recognize macro arguments; this is the job of \mbodybackslash. % % Non-ASCII encodings make 8-bit characters active, so un-activate % them to avoid their expansion. Must do this non-globally, to % confine the change to the current group. % % It's necessary to have hard CRs when the macro is executed. This is % done by making ^^M (\endlinechar) catcode 12 when reading the macro % body, and then making it the \newlinechar in \scanmacro. % \def\scanctxt{% used as subroutine \catcode`\"=\other \catcode`\+=\other \catcode`\<=\other \catcode`\>=\other \catcode`\@=\other \catcode`\^=\other \catcode`\_=\other \catcode`\|=\other \catcode`\~=\other \ifx\declaredencoding\ascii \else \setnonasciicharscatcodenonglobal\other \fi } \def\scanargctxt{% used for copying and captions, not macros. \scanctxt \catcode`\\=\other \catcode`\^^M=\other } \def\macrobodyctxt{% used for @macro definitions \scanctxt \catcode`\{=\other \catcode`\}=\other \catcode`\^^M=\other \usembodybackslash } \def\macroargctxt{% used when scanning invocations \scanctxt \catcode`\\=0 } % why catcode 0 for \ in the above? To recognize \\ \{ \} as "escapes" % for the single characters \ { }. Thus, we end up with the "commands" % that would be written @\ @{ @} in a Texinfo document. % % We already have @{ and @}. For @\, we define it here, and only for % this purpose, to produce a typewriter backslash (so, the @\ that we % define for @math can't be used with @macro calls): % \def\\{\normalbackslash}% % % We would like to do this for \, too, since that is what makeinfo does. % But it is not possible, because Texinfo already has a command @, for a % cedilla accent. Documents must use @comma{} instead. % % \anythingelse will almost certainly be an error of some kind. % \mbodybackslash is the definition of \ in @macro bodies. % It maps \foo\ => \csname macarg.foo\endcsname => #N % where N is the macro parameter number. % We define \csname macarg.\endcsname to be \realbackslash, so % \\ in macro replacement text gets you a backslash. % {\catcode`@=0 @catcode`@\=@active @gdef@usembodybackslash{@let\=@mbodybackslash} @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname} } \expandafter\def\csname macarg.\endcsname{\realbackslash} \def\margbackslash#1{\char`\#1 } \def\macro{\recursivefalse\parsearg\macroxxx} \def\rmacro{\recursivetrue\parsearg\macroxxx} \def\macroxxx#1{% \getargs{#1}% now \macname is the macname and \argl the arglist \ifx\argl\empty % no arguments \paramno=0\relax \else \expandafter\parsemargdef \argl;% \if\paramno>256\relax \ifx\eTeXversion\thisisundefined \errhelp = \EMsimple \errmessage{You need eTeX to compile a file with macros with more than 256 arguments} \fi \fi \fi \if1\csname ismacro.\the\macname\endcsname \message{Warning: redefining \the\macname}% \else \expandafter\ifx\csname \the\macname\endcsname \relax \else \errmessage{Macro name \the\macname\space already defined}\fi \global\cslet{macsave.\the\macname}{\the\macname}% \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% \addtomacrolist{\the\macname}% \fi \begingroup \macrobodyctxt \ifrecursive \expandafter\parsermacbody \else \expandafter\parsemacbody \fi} \parseargdef\unmacro{% \if1\csname ismacro.#1\endcsname \global\cslet{#1}{macsave.#1}% \global\expandafter\let \csname ismacro.#1\endcsname=0% % Remove the macro name from \macrolist: \begingroup \expandafter\let\csname#1\endcsname \relax \let\definedummyword\unmacrodo \xdef\macrolist{\macrolist}% \endgroup \else \errmessage{Macro #1 not defined}% \fi } % Called by \do from \dounmacro on each macro. The idea is to omit any % macro definitions that have been changed to \relax. % \def\unmacrodo#1{% \ifx #1\relax % remove this \else \noexpand\definedummyword \noexpand#1% \fi } % This makes use of the obscure feature that if the last token of a % is #, then the preceding argument is delimited by % an opening brace, and that opening brace is not consumed. \def\getargs#1{\getargsxxx#1{}} \def\getargsxxx#1#{\getmacname #1 \relax\getmacargs} \def\getmacname#1 #2\relax{\macname={#1}} \def\getmacargs#1{\def\argl{#1}} % For macro processing make @ a letter so that we can make Texinfo private macro names. \edef\texiatcatcode{\the\catcode`\@} \catcode `@=11\relax % Parse the optional {params} list. Set up \paramno and \paramlist % so \defmacro knows what to do. Define \macarg.BLAH for each BLAH % in the params list to some hook where the argument si to be expanded. If % there are less than 10 arguments that hook is to be replaced by ##N where N % is the position in that list, that is to say the macro arguments are to be % defined `a la TeX in the macro body. % % That gets used by \mbodybackslash (above). % % We need to get `macro parameter char #' into several definitions. % The technique used is stolen from LaTeX: let \hash be something % unexpandable, insert that wherever you need a #, and then redefine % it to # just before using the token list produced. % % The same technique is used to protect \eatspaces till just before % the macro is used. % % If there are 10 or more arguments, a different technique is used, where the % hook remains in the body, and when macro is to be expanded the body is % processed again to replace the arguments. % % In that case, the hook is \the\toks N-1, and we simply set \toks N-1 to the % argument N value and then \edef the body (nothing else will expand because of % the catcode regime underwhich the body was input). % % If you compile with TeX (not eTeX), and you have macros with 10 or more % arguments, you need that no macro has more than 256 arguments, otherwise an % error is produced. \def\parsemargdef#1;{% \paramno=0\def\paramlist{}% \let\hash\relax \let\xeatspaces\relax \parsemargdefxxx#1,;,% % In case that there are 10 or more arguments we parse again the arguments % list to set new definitions for the \macarg.BLAH macros corresponding to % each BLAH argument. It was anyhow needed to parse already once this list % in order to count the arguments, and as macros with at most 9 arguments % are by far more frequent than macro with 10 or more arguments, defining % twice the \macarg.BLAH macros does not cost too much processing power. \ifnum\paramno<10\relax\else \paramno0\relax \parsemmanyargdef@@#1,;,% 10 or more arguments \fi } \def\parsemargdefxxx#1,{% \if#1;\let\next=\relax \else \let\next=\parsemargdefxxx \advance\paramno by 1 \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname {\xeatspaces{\hash\the\paramno}}% \edef\paramlist{\paramlist\hash\the\paramno,}% \fi\next} \def\parsemmanyargdef@@#1,{% \if#1;\let\next=\relax \else \let\next=\parsemmanyargdef@@ \edef\tempb{\eatspaces{#1}}% \expandafter\def\expandafter\tempa \expandafter{\csname macarg.\tempb\endcsname}% % Note that we need some extra \noexpand\noexpand, this is because we % don't want \the to be expanded in the \parsermacbody as it uses an % \xdef . \expandafter\edef\tempa {\noexpand\noexpand\noexpand\the\toks\the\paramno}% \advance\paramno by 1\relax \fi\next} % These two commands read recursive and nonrecursive macro bodies. % (They're different since rec and nonrec macros end differently.) % \catcode `\@\texiatcatcode \long\def\parsemacbody#1@end macro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% \long\def\parsermacbody#1@end rmacro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% \catcode `\@=11\relax \let\endargs@\relax \let\nil@\relax \def\nilm@{\nil@}% \long\def\nillm@{\nil@}% % This macro is expanded during the Texinfo macro expansion, not during its % definition. It gets all the arguments values and assigns them to macros % macarg.ARGNAME % % #1 is the macro name % #2 is the list of argument names % #3 is the list of argument values \def\getargvals@#1#2#3{% \def\macargdeflist@{}% \def\saveparamlist@{#2}% Need to keep a copy for parameter expansion. \def\paramlist{#2,\nil@}% \def\macroname{#1}% \begingroup \macroargctxt \def\argvaluelist{#3,\nil@}% \def\@tempa{#3}% \ifx\@tempa\empty \setemptyargvalues@ \else \getargvals@@ \fi } % \def\getargvals@@{% \ifx\paramlist\nilm@ % Some sanity check needed here that \argvaluelist is also empty. \ifx\argvaluelist\nillm@ \else \errhelp = \EMsimple \errmessage{Too many arguments in macro `\macroname'!}% \fi \let\next\macargexpandinbody@ \else \ifx\argvaluelist\nillm@ % No more arguments values passed to macro. Set remaining named-arg % macros to empty. \let\next\setemptyargvalues@ \else % pop current arg name into \@tempb \def\@tempa##1{\pop@{\@tempb}{\paramlist}##1\endargs@}% \expandafter\@tempa\expandafter{\paramlist}% % pop current argument value into \@tempc \def\@tempa##1{\longpop@{\@tempc}{\argvaluelist}##1\endargs@}% \expandafter\@tempa\expandafter{\argvaluelist}% % Here \@tempb is the current arg name and \@tempc is the current arg value. % First place the new argument macro definition into \@tempd \expandafter\macname\expandafter{\@tempc}% \expandafter\let\csname macarg.\@tempb\endcsname\relax \expandafter\def\expandafter\@tempe\expandafter{% \csname macarg.\@tempb\endcsname}% \edef\@tempd{\long\def\@tempe{\the\macname}}% \push@\@tempd\macargdeflist@ \let\next\getargvals@@ \fi \fi \next } \def\push@#1#2{% \expandafter\expandafter\expandafter\def \expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{% \expandafter#1#2}% } % Replace arguments by their values in the macro body, and place the result % in macro \@tempa \def\macvalstoargs@{% % To do this we use the property that token registers that are \the'ed % within an \edef expand only once. So we are going to place all argument % values into respective token registers. % % First we save the token context, and initialize argument numbering. \begingroup \paramno0\relax % Then, for each argument number #N, we place the corresponding argument % value into a new token list register \toks#N \expandafter\putargsintokens@\saveparamlist@,;,% % Then, we expand the body so that argument are replaced by their % values. The trick for values not to be expanded themselves is that they % are within tokens and that tokens expand only once in an \edef . \edef\@tempc{\csname mac.\macroname .body\endcsname}% % Now we restore the token stack pointer to free the token list registers % which we have used, but we make sure that expanded body is saved after % group. \expandafter \endgroup \expandafter\def\expandafter\@tempa\expandafter{\@tempc}% } \def\macargexpandinbody@{% %% Define the named-macro outside of this group and then close this group. \expandafter \endgroup \macargdeflist@ % First the replace in body the macro arguments by their values, the result % is in \@tempa . \macvalstoargs@ % Then we point at the \norecurse or \gobble (for recursive) macro value % with \@tempb . \expandafter\let\expandafter\@tempb\csname mac.\macroname .recurse\endcsname % Depending on whether it is recursive or not, we need some tailing % \egroup . \ifx\@tempb\gobble \let\@tempc\relax \else \let\@tempc\egroup \fi % And now we do the real job: \edef\@tempd{\noexpand\@tempb{\macroname}\noexpand\scanmacro{\@tempa}\@tempc}% \@tempd } \def\putargsintokens@#1,{% \if#1;\let\next\relax \else \let\next\putargsintokens@ % First we allocate the new token list register, and give it a temporary % alias \@tempb . \toksdef\@tempb\the\paramno % Then we place the argument value into that token list register. \expandafter\let\expandafter\@tempa\csname macarg.#1\endcsname \expandafter\@tempb\expandafter{\@tempa}% \advance\paramno by 1\relax \fi \next } % Save the token stack pointer into macro #1 \def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}} % Restore the token stack pointer from number in macro #1 \def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax} % newtoks that can be used non \outer . \def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi} % Tailing missing arguments are set to empty \def\setemptyargvalues@{% \ifx\paramlist\nilm@ \let\next\macargexpandinbody@ \else \expandafter\setemptyargvaluesparser@\paramlist\endargs@ \let\next\setemptyargvalues@ \fi \next } \def\setemptyargvaluesparser@#1,#2\endargs@{% \expandafter\def\expandafter\@tempa\expandafter{% \expandafter\def\csname macarg.#1\endcsname{}}% \push@\@tempa\macargdeflist@ \def\paramlist{#2}% } % #1 is the element target macro % #2 is the list macro % #3,#4\endargs@ is the list value \def\pop@#1#2#3,#4\endargs@{% \def#1{#3}% \def#2{#4}% } \long\def\longpop@#1#2#3,#4\endargs@{% \long\def#1{#3}% \long\def#2{#4}% } % This defines a Texinfo @macro. There are eight cases: recursive and % nonrecursive macros of zero, one, up to nine, and many arguments. % Much magic with \expandafter here. % \xdef is used so that macro definitions will survive the file % they're defined in; @include reads the file inside a group. % \def\defmacro{% \let\hash=##% convert placeholders to macro parameter chars \ifrecursive \ifcase\paramno % 0 \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\scanmacro{\temp}}% \or % 1 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\braceorline \expandafter\noexpand\csname\the\macname xxx\endcsname}% \expandafter\xdef\csname\the\macname xxx\endcsname##1{% \egroup\noexpand\scanmacro{\temp}}% \else \ifnum\paramno<10\relax % at most 9 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\csname\the\macname xx\endcsname}% \expandafter\xdef\csname\the\macname xx\endcsname##1{% \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% \expandafter\expandafter \expandafter\xdef \expandafter\expandafter \csname\the\macname xxx\endcsname \paramlist{\egroup\noexpand\scanmacro{\temp}}% \else % 10 or more \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\getargvals@{\the\macname}{\argl}% }% \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\gobble \fi \fi \else \ifcase\paramno % 0 \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \or % 1 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\braceorline \expandafter\noexpand\csname\the\macname xxx\endcsname}% \expandafter\xdef\csname\the\macname xxx\endcsname##1{% \egroup \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \else % at most 9 \ifnum\paramno<10\relax \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \expandafter\noexpand\csname\the\macname xx\endcsname}% \expandafter\xdef\csname\the\macname xx\endcsname##1{% \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% \expandafter\expandafter \expandafter\xdef \expandafter\expandafter \csname\the\macname xxx\endcsname \paramlist{% \egroup \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \else % 10 or more: \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\getargvals@{\the\macname}{\argl}% }% \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\norecurse \fi \fi \fi} \catcode `\@\texiatcatcode\relax \def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}} % \braceorline decides whether the next nonwhitespace character is a % {. If so it reads up to the closing }, if not, it reads the whole % line. Whatever was read is then fed to the next control sequence % as an argument (by \parsebrace or \parsearg). % \def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx} \def\braceorlinexxx{% \ifx\nchar\bgroup\else \expandafter\parsearg \fi \macnamexxx} % @alias. % We need some trickery to remove the optional spaces around the equal % sign. Make them active and then expand them all to nothing. % \def\alias{\parseargusing\obeyspaces\aliasxxx} \def\aliasxxx #1{\aliasyyy#1\relax} \def\aliasyyy #1=#2\relax{% {% \expandafter\let\obeyedspace=\empty \addtomacrolist{#1}% \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% }% \next } \message{cross references,} \newwrite\auxfile \newif\ifhavexrefs % True if xref values are known. \newif\ifwarnedxrefs % True if we warned once that they aren't known. % @inforef is relatively simple. \def\inforef #1{\inforefzzz #1,,,,**} \def\inforefzzz #1,#2,#3,#4**{% \putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}}, node \samp{\ignorespaces#1{}}} % @node's only job in TeX is to define \lastnode, which is used in % cross-references. The @node line might or might not have commas, and % might or might not have spaces before the first comma, like: % @node foo , bar , ... % We don't want such trailing spaces in the node name. % \parseargdef\node{\checkenv{}\donode #1 ,\finishnodeparse} % % also remove a trailing comma, in case of something like this: % @node Help-Cross, , , Cross-refs \def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse} \def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}} \let\nwnode=\node \let\lastnode=\empty % Write a cross-reference definition for the current node. #1 is the % type (Ynumbered, Yappendix, Ynothing). % \def\donoderef#1{% \ifx\lastnode\empty\else \setref{\lastnode}{#1}% \global\let\lastnode=\empty \fi } % @anchor{NAME} -- define xref target at arbitrary point. % \newcount\savesfregister % \def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} \def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} \def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} % \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an % anchor), which consists of three parts: % 1) NAME-title - the current sectioning name taken from \lastsection, % or the anchor name. % 2) NAME-snt - section number and type, passed as the SNT arg, or % empty for anchors. % 3) NAME-pg - the page number. % % This is called from \donoderef, \anchor, and \dofloat. In the case of % floats, there is an additional part, which is not written here: % 4) NAME-lof - the text as it should appear in a @listoffloats. % \def\setref#1#2{% \pdfmkdest{#1}% \iflinks {% \atdummies % preserve commands, but don't expand them \edef\writexrdef##1##2{% \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef ##1}{##2}}% these are parameters of \writexrdef }% \toks0 = \expandafter{\lastsection}% \immediate \writexrdef{title}{\the\toks0 }% \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc. \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, at \shipout }% \fi } % @xrefautosectiontitle on|off says whether @section(ing) names are used % automatically in xrefs, if the third arg is not explicitly specified. % This was provided as a "secret" @set xref-automatic-section-title % variable, now it's official. % \parseargdef\xrefautomaticsectiontitle{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETxref-automatic-section-title\endcsname = \empty \else\ifx\temp\offword \expandafter\let\csname SETxref-automatic-section-title\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @xrefautomaticsectiontitle value `\temp', must be on|off}% \fi\fi } % @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is % the node name, #2 the name of the Info cross-reference, #3 the printed % node name, #4 the name of the Info file, #5 the name of the printed % manual. All but the node name can be omitted. % \def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]} \def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]} \def\ref#1{\xrefX[#1,,,,,,,]} % \newbox\topbox \newbox\printedrefnamebox \newbox\printedmanualbox % \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup \unsepspaces % \def\printedrefname{\ignorespaces #3}% \setbox\printedrefnamebox = \hbox{\printedrefname\unskip}% % \def\printedmanual{\ignorespaces #5}% \setbox\printedmanualbox = \hbox{\printedmanual\unskip}% % % If the printed reference name (arg #3) was not explicitly given in % the @xref, figure out what we want to use. \ifdim \wd\printedrefnamebox = 0pt % No printed node name was explicitly given. \expandafter\ifx\csname SETxref-automatic-section-title\endcsname \relax % Not auto section-title: use node name inside the square brackets. \def\printedrefname{\ignorespaces #1}% \else % Auto section-title: use chapter/section title inside % the square brackets if we have it. \ifdim \wd\printedmanualbox > 0pt % It is in another manual, so we don't have it; use node name. \def\printedrefname{\ignorespaces #1}% \else \ifhavexrefs % We (should) know the real title if we have the xref values. \def\printedrefname{\refx{#1-title}{}}% \else % Otherwise just copy the Info node name. \def\printedrefname{\ignorespaces #1}% \fi% \fi \fi \fi % % Make link in pdf output. \ifpdf {\indexnofonts \turnoffactive \makevalueexpandable % This expands tokens, so do it after making catcode changes, so _ % etc. don't get their TeX definitions. \getfilename{#4}% % \edef\pdfxrefdest{#1}% \txiescapepdf\pdfxrefdest % \leavevmode \startlink attr{/Border [0 0 0]}% \ifnum\filenamelength>0 goto file{\the\filename.pdf} name{\pdfxrefdest}% \else goto name{\pdfmkpgn{\pdfxrefdest}}% \fi }% \setcolor{\linkcolor}% \fi % % Float references are printed completely differently: "Figure 1.2" % instead of "[somenode], p.3". We distinguish them by the % LABEL-title being set to a magic string. {% % Have to otherify everything special to allow the \csname to % include an _ in the xref name, etc. \indexnofonts \turnoffactive \expandafter\global\expandafter\let\expandafter\Xthisreftitle \csname XR#1-title\endcsname }% \iffloat\Xthisreftitle % If the user specified the print name (third arg) to the ref, % print it instead of our usual "Figure 1.2". \ifdim\wd\printedrefnamebox = 0pt \refx{#1-snt}{}% \else \printedrefname \fi % % if the user also gave the printed manual name (fifth arg), append % "in MANUALNAME". \ifdim \wd\printedmanualbox > 0pt \space \putwordin{} \cite{\printedmanual}% \fi \else % node/anchor (non-float) references. % % If we use \unhbox to print the node names, TeX does not insert % empty discretionaries after hyphens, which means that it will not % find a line break at a hyphen in a node names. Since some manuals % are best written with fairly long node names, containing hyphens, % this is a loss. Therefore, we give the text of the node name % again, so it is as if TeX is seeing it for the first time. % % Cross-manual reference. Only include the "Section ``foo'' in" if % the foo is neither missing or Top. Thus, @xref{,,,foo,The Foo Manual} % outputs simply "see The Foo Manual". \ifdim \wd\printedmanualbox > 0pt % What is the 7sp about? The idea is that we also want to omit % the Section part if we would be printing "Top", since they are % clearly trying to refer to the whole manual. But, this being % TeX, we can't easily compare strings while ignoring the possible % spaces before and after in the input. By adding the arbitrary % 7sp, we make it much less likely that a real node name would % happen to have the same width as "Top" (e.g., in a monospaced font). % I hope it will never happen in practice. % % For the same basic reason, we retypeset the "Top" at every % reference, since the current font is indeterminate. % \setbox\topbox = \hbox{Top\kern7sp}% \setbox2 = \hbox{\ignorespaces \printedrefname \unskip \kern7sp}% \ifdim \wd2 > 7sp \ifdim \wd2 = \wd\topbox \else \putwordSection{} ``\printedrefname'' \putwordin{}\space \fi \fi \cite{\printedmanual}% \else % Reference in this manual. % % _ (for example) has to be the character _ for the purposes of the % control sequence corresponding to the node, but it has to expand % into the usual \leavevmode...\vrule stuff for purposes of % printing. So we \turnoffactive for the \refx-snt, back on for the % printing, back off for the \refx-pg. {\turnoffactive % Only output a following space if the -snt ref is nonempty; for % @unnumbered and @anchor, it won't be. \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi }% % output the `[mynode]' via the macro below so it can be overridden. \xrefprintnodename\printedrefname % % But we always want a comma and a space: ,\space % % output the `page 3'. \turnoffactive \putwordpage\tie\refx{#1-pg}{}% \fi \fi \endlink \endgroup} % This macro is called from \xrefX for the `[nodename]' part of xref % output. It's a separate macro only so it can be changed more easily, % since square brackets don't work well in some documents. Particularly % one that Bob is working on :). % \def\xrefprintnodename#1{[#1]} % Things referred to by \setref. % \def\Ynothing{} \def\Yomitfromtoc{} \def\Ynumbered{% \ifnum\secno=0 \putwordChapter@tie \the\chapno \else \ifnum\subsecno=0 \putwordSection@tie \the\chapno.\the\secno \else \ifnum\subsubsecno=0 \putwordSection@tie \the\chapno.\the\secno.\the\subsecno \else \putwordSection@tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno \fi\fi\fi } \def\Yappendix{% \ifnum\secno=0 \putwordAppendix@tie @char\the\appendixno{}% \else \ifnum\subsecno=0 \putwordSection@tie @char\the\appendixno.\the\secno \else \ifnum\subsubsecno=0 \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno \else \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno \fi\fi\fi } % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME. % If its value is nonempty, SUFFIX is output afterward. % \def\refx#1#2{% {% \indexnofonts \otherbackslash \expandafter\global\expandafter\let\expandafter\thisrefX \csname XR#1\endcsname }% \ifx\thisrefX\relax % If not defined, say something at least. \angleleft un\-de\-fined\angleright \iflinks \ifhavexrefs {\toks0 = {#1}% avoid expansion of possibly-complex value \message{\linenumber Undefined cross reference `\the\toks0'.}}% \else \ifwarnedxrefs\else \global\warnedxrefstrue \message{Cross reference values unknown; you must run TeX again.}% \fi \fi \fi \else % It's defined, so just use it. \thisrefX \fi #2% Output the suffix in any case. } % This is the macro invoked by entries in the aux file. Usually it's % just a \def (we prepend XR to the control sequence name to avoid % collisions). But if this is a float type, we have more work to do. % \def\xrdef#1#2{% {% The node name might contain 8-bit characters, which in our current % implementation are changed to commands like @'e. Don't let these % mess up the control sequence name. \indexnofonts \turnoffactive \xdef\safexrefname{#1}% }% % \expandafter\gdef\csname XR\safexrefname\endcsname{#2}% remember this xref % % Was that xref control sequence that we just defined for a float? \expandafter\iffloat\csname XR\safexrefname\endcsname % it was a float, and we have the (safe) float type in \iffloattype. \expandafter\let\expandafter\floatlist \csname floatlist\iffloattype\endcsname % % Is this the first time we've seen this float type? \expandafter\ifx\floatlist\relax \toks0 = {\do}% yes, so just \do \else % had it before, so preserve previous elements in list. \toks0 = \expandafter{\floatlist\do}% \fi % % Remember this xref in the control sequence \floatlistFLOATTYPE, % for later use in \listoffloats. \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0 {\safexrefname}}% \fi } % Read the last existing aux file, if any. No error if none exists. % \def\tryauxfile{% \openin 1 \jobname.aux \ifeof 1 \else \readdatafile{aux}% \global\havexrefstrue \fi \closein 1 } \def\setupdatafile{% \catcode`\^^@=\other \catcode`\^^A=\other \catcode`\^^B=\other \catcode`\^^C=\other \catcode`\^^D=\other \catcode`\^^E=\other \catcode`\^^F=\other \catcode`\^^G=\other \catcode`\^^H=\other \catcode`\^^K=\other \catcode`\^^L=\other \catcode`\^^N=\other \catcode`\^^P=\other \catcode`\^^Q=\other \catcode`\^^R=\other \catcode`\^^S=\other \catcode`\^^T=\other \catcode`\^^U=\other \catcode`\^^V=\other \catcode`\^^W=\other \catcode`\^^X=\other \catcode`\^^Z=\other \catcode`\^^[=\other \catcode`\^^\=\other \catcode`\^^]=\other \catcode`\^^^=\other \catcode`\^^_=\other % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc. % in xref tags, i.e., node names. But since ^^e4 notation isn't % supported in the main text, it doesn't seem desirable. Furthermore, % that is not enough: for node names that actually contain a ^ % character, we would end up writing a line like this: 'xrdef {'hat % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first % argument, and \hat is not an expandable control sequence. It could % all be worked out, but why? Either we support ^^ or we don't. % % The other change necessary for this was to define \auxhat: % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter % and then to call \auxhat in \setq. % \catcode`\^=\other % % Special characters. Should be turned off anyway, but... \catcode`\~=\other \catcode`\[=\other \catcode`\]=\other \catcode`\"=\other \catcode`\_=\other \catcode`\|=\other \catcode`\<=\other \catcode`\>=\other \catcode`\$=\other \catcode`\#=\other \catcode`\&=\other \catcode`\%=\other \catcode`+=\other % avoid \+ for paranoia even though we've turned it off % % This is to support \ in node names and titles, since the \ % characters end up in a \csname. It's easier than % leaving it active and making its active definition an actual \ % character. What I don't understand is why it works in the *value* % of the xrdef. Seems like it should be a catcode12 \, and that % should not typeset properly. But it works, so I'm moving on for % now. --karl, 15jan04. \catcode`\\=\other % % Make the characters 128-255 be printing characters. {% \count1=128 \def\loop{% \catcode\count1=\other \advance\count1 by 1 \ifnum \count1<256 \loop \fi }% }% % % @ is our escape character in .aux files, and we need braces. \catcode`\{=1 \catcode`\}=2 \catcode`\@=0 } \def\readdatafile#1{% \begingroup \setupdatafile \input\jobname.#1 \endgroup} \message{insertions,} % including footnotes. \newcount \footnoteno % The trailing space in the following definition for supereject is % vital for proper filling; pages come out unaligned when you do a % pagealignmacro call if that space before the closing brace is % removed. (Generally, numeric constants should always be followed by a % space to prevent strange expansion errors.) \def\supereject{\par\penalty -20000\footnoteno =0 } % @footnotestyle is meaningful for Info output only. \let\footnotestyle=\comment {\catcode `\@=11 % % Auto-number footnotes. Otherwise like plain. \gdef\footnote{% \let\indent=\ptexindent \let\noindent=\ptexnoindent \global\advance\footnoteno by \@ne \edef\thisfootno{$^{\the\footnoteno}$}% % % In case the footnote comes at the end of a sentence, preserve the % extra spacing after we do the footnote number. \let\@sf\empty \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi % % Remove inadvertent blank space before typesetting the footnote number. \unskip \thisfootno\@sf \dofootnote }% % Don't bother with the trickery in plain.tex to not require the % footnote text as a parameter. Our footnotes don't need to be so general. % % Oh yes, they do; otherwise, @ifset (and anything else that uses % \parseargline) fails inside footnotes because the tokens are fixed when % the footnote is read. --karl, 16nov96. % \gdef\dofootnote{% \insert\footins\bgroup % We want to typeset this text as a normal paragraph, even if the % footnote reference occurs in (for example) a display environment. % So reset some parameters. \hsize=\pagewidth \interlinepenalty\interfootnotelinepenalty \splittopskip\ht\strutbox % top baseline for broken footnotes \splitmaxdepth\dp\strutbox \floatingpenalty\@MM \leftskip\z@skip \rightskip\z@skip \spaceskip\z@skip \xspaceskip\z@skip \parindent\defaultparindent % \smallfonts \rm % % Because we use hanging indentation in footnotes, a @noindent appears % to exdent this text, so make it be a no-op. makeinfo does not use % hanging indentation so @noindent can still be needed within footnote % text after an @example or the like (not that this is good style). \let\noindent = \relax % % Hang the footnote text off the number. Use \everypar in case the % footnote extends for more than one paragraph. \everypar = {\hang}% \textindent{\thisfootno}% % % Don't crash into the line above the footnote text. Since this % expands into a box, it must come within the paragraph, lest it % provide a place where TeX can split the footnote. \footstrut % % Invoke rest of plain TeX footnote routine. \futurelet\next\fo@t } }%end \catcode `\@=11 % In case a @footnote appears in a vbox, save the footnote text and create % the real \insert just after the vbox finished. Otherwise, the insertion % would be lost. % Similarly, if a @footnote appears inside an alignment, save the footnote % text to a box and make the \insert when a row of the table is finished. % And the same can be done for other insert classes. --kasal, 16nov03. % Replace the \insert primitive by a cheating macro. % Deeper inside, just make sure that the saved insertions are not spilled % out prematurely. % \def\startsavinginserts{% \ifx \insert\ptexinsert \let\insert\saveinsert \else \let\checkinserts\relax \fi } % This \insert replacement works for both \insert\footins{foo} and % \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}. % \def\saveinsert#1{% \edef\next{\noexpand\savetobox \makeSAVEname#1}% \afterassignment\next % swallow the left brace \let\temp = } \def\makeSAVEname#1{\makecsname{SAVE\expandafter\gobble\string#1}} \def\savetobox#1{\global\setbox#1 = \vbox\bgroup \unvbox#1} \def\checksaveins#1{\ifvoid#1\else \placesaveins#1\fi} \def\placesaveins#1{% \ptexinsert \csname\expandafter\gobblesave\string#1\endcsname {\box#1}% } % eat @SAVE -- beware, all of them have catcode \other: { \def\dospecials{\do S\do A\do V\do E} \uncatcodespecials % ;-) \gdef\gobblesave @SAVE{} } % initialization: \def\newsaveins #1{% \edef\next{\noexpand\newsaveinsX \makeSAVEname#1}% \next } \def\newsaveinsX #1{% \csname newbox\endcsname #1% \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts \checksaveins #1}% } % initialize: \let\checkinserts\empty \newsaveins\footins \newsaveins\margin % @image. We use the macros from epsf.tex to support this. % If epsf.tex is not installed and @image is used, we complain. % % Check for and read epsf.tex up front. If we read it only at @image % time, we might be inside a group, and then its definitions would get % undone and the next image would fail. \openin 1 = epsf.tex \ifeof 1 \else % Do not bother showing banner with epsf.tex v2.7k (available in % doc/epsf.tex and on ctan). \def\epsfannounce{\toks0 = }% \input epsf.tex \fi \closein 1 % % We will only complain once about lack of epsf.tex. \newif\ifwarnednoepsf \newhelp\noepsfhelp{epsf.tex must be installed for images to work. It is also included in the Texinfo distribution, or you can get it from ftp://tug.org/tex/epsf.tex.} % \def\image#1{% \ifx\epsfbox\thisisundefined \ifwarnednoepsf \else \errhelp = \noepsfhelp \errmessage{epsf.tex not found, images will be ignored}% \global\warnednoepsftrue \fi \else \imagexxx #1,,,,,\finish \fi } % % Arguments to @image: % #1 is (mandatory) image filename; we tack on .eps extension. % #2 is (optional) width, #3 is (optional) height. % #4 is (ignored optional) html alt text. % #5 is (ignored optional) extension. % #6 is just the usual extra ignored arg for parsing stuff. \newif\ifimagevmode \def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup \catcode`\^^M = 5 % in case we're inside an example \normalturnoffactive % allow _ et al. in names % If the image is by itself, center it. \ifvmode \imagevmodetrue \else \ifx\centersub\centerV % for @center @image, we need a vbox so we can have our vertical space \imagevmodetrue \vbox\bgroup % vbox has better behavior than vtop herev \fi\fi % \ifimagevmode \nobreak\medskip % Usually we'll have text after the image which will insert % \parskip glue, so insert it here too to equalize the space % above and below. \nobreak\vskip\parskip \nobreak \fi % % Leave vertical mode so that indentation from an enclosing % environment such as @quotation is respected. % However, if we're at the top level, we don't want the % normal paragraph indentation. % On the other hand, if we are in the case of @center @image, we don't % want to start a paragraph, which will create a hsize-width box and % eradicate the centering. \ifx\centersub\centerV\else \noindent \fi % % Output the image. \ifpdf \dopdfimage{#1}{#2}{#3}% \else % \epsfbox itself resets \epsf?size at each figure. \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi \epsfbox{#1.eps}% \fi % \ifimagevmode \medskip % space after a standalone image \fi \ifx\centersub\centerV \egroup \fi \endgroup} % @float FLOATTYPE,LABEL,LOC ... @end float for displayed figures, tables, % etc. We don't actually implement floating yet, we always include the % float "here". But it seemed the best name for the future. % \envparseargdef\float{\eatcommaspace\eatcommaspace\dofloat#1, , ,\finish} % There may be a space before second and/or third parameter; delete it. \def\eatcommaspace#1, {#1,} % #1 is the optional FLOATTYPE, the text label for this float, typically % "Figure", "Table", "Example", etc. Can't contain commas. If omitted, % this float will not be numbered and cannot be referred to. % % #2 is the optional xref label. Also must be present for the float to % be referable. % % #3 is the optional positioning argument; for now, it is ignored. It % will somehow specify the positions allowed to float to (here, top, bottom). % % We keep a separate counter for each FLOATTYPE, which we reset at each % chapter-level command. \let\resetallfloatnos=\empty % \def\dofloat#1,#2,#3,#4\finish{% \let\thiscaption=\empty \let\thisshortcaption=\empty % % don't lose footnotes inside @float. % % BEWARE: when the floats start float, we have to issue warning whenever an % insert appears inside a float which could possibly float. --kasal, 26may04 % \startsavinginserts % % We can't be used inside a paragraph. \par % \vtop\bgroup \def\floattype{#1}% \def\floatlabel{#2}% \def\floatloc{#3}% we do nothing with this yet. % \ifx\floattype\empty \let\safefloattype=\empty \else {% % the floattype might have accents or other special characters, % but we need to use it in a control sequence name. \indexnofonts \turnoffactive \xdef\safefloattype{\floattype}% }% \fi % % If label is given but no type, we handle that as the empty type. \ifx\floatlabel\empty \else % We want each FLOATTYPE to be numbered separately (Figure 1, % Table 1, Figure 2, ...). (And if no label, no number.) % \expandafter\getfloatno\csname\safefloattype floatno\endcsname \global\advance\floatno by 1 % {% % This magic value for \lastsection is output by \setref as the % XREFLABEL-title value. \xrefX uses it to distinguish float % labels (which have a completely different output format) from % node and anchor labels. And \xrdef uses it to construct the % lists of floats. % \edef\lastsection{\floatmagic=\safefloattype}% \setref{\floatlabel}{Yfloat}% }% \fi % % start with \parskip glue, I guess. \vskip\parskip % % Don't suppress indentation if a float happens to start a section. \restorefirstparagraphindent } % we have these possibilities: % @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap % @float Foo,lbl & no caption: Foo 1.1 % @float Foo & @caption{Cap}: Foo: Cap % @float Foo & no caption: Foo % @float ,lbl & Caption{Cap}: 1.1: Cap % @float ,lbl & no caption: 1.1 % @float & @caption{Cap}: Cap % @float & no caption: % \def\Efloat{% \let\floatident = \empty % % In all cases, if we have a float type, it comes first. \ifx\floattype\empty \else \def\floatident{\floattype}\fi % % If we have an xref label, the number comes next. \ifx\floatlabel\empty \else \ifx\floattype\empty \else % if also had float type, need tie first. \appendtomacro\floatident{\tie}% \fi % the number. \appendtomacro\floatident{\chaplevelprefix\the\floatno}% \fi % % Start the printed caption with what we've constructed in % \floatident, but keep it separate; we need \floatident again. \let\captionline = \floatident % \ifx\thiscaption\empty \else \ifx\floatident\empty \else \appendtomacro\captionline{: }% had ident, so need a colon between \fi % % caption text. \appendtomacro\captionline{\scanexp\thiscaption}% \fi % % If we have anything to print, print it, with space before. % Eventually this needs to become an \insert. \ifx\captionline\empty \else \vskip.5\parskip \captionline % % Space below caption. \vskip\parskip \fi % % If have an xref label, write the list of floats info. Do this % after the caption, to avoid chance of it being a breakpoint. \ifx\floatlabel\empty \else % Write the text that goes in the lof to the aux file as % \floatlabel-lof. Besides \floatident, we include the short % caption if specified, else the full caption if specified, else nothing. {% \atdummies % % since we read the caption text in the macro world, where ^^M % is turned into a normal character, we have to scan it back, so % we don't write the literal three characters "^^M" into the aux file. \scanexp{% \xdef\noexpand\gtemp{% \ifx\thisshortcaption\empty \thiscaption \else \thisshortcaption \fi }% }% \immediate\write\auxfile{@xrdef{\floatlabel-lof}{\floatident \ifx\gtemp\empty \else : \gtemp \fi}}% }% \fi \egroup % end of \vtop % % place the captured inserts % % BEWARE: when the floats start floating, we have to issue warning % whenever an insert appears inside a float which could possibly % float. --kasal, 26may04 % \checkinserts } % Append the tokens #2 to the definition of macro #1, not expanding either. % \def\appendtomacro#1#2{% \expandafter\def\expandafter#1\expandafter{#1#2}% } % @caption, @shortcaption % \def\caption{\docaption\thiscaption} \def\shortcaption{\docaption\thisshortcaption} \def\docaption{\checkenv\float \bgroup\scanargctxt\defcaption} \def\defcaption#1#2{\egroup \def#1{#2}} % The parameter is the control sequence identifying the counter we are % going to use. Create it if it doesn't exist and assign it to \floatno. \def\getfloatno#1{% \ifx#1\relax % Haven't seen this figure type before. \csname newcount\endcsname #1% % % Remember to reset this floatno at the next chap. \expandafter\gdef\expandafter\resetallfloatnos \expandafter{\resetallfloatnos #1=0 }% \fi \let\floatno#1% } % \setref calls this to get the XREFLABEL-snt value. We want an @xref % to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we % first read the @float command. % \def\Yfloat{\floattype@tie \chaplevelprefix\the\floatno}% % Magic string used for the XREFLABEL-title value, so \xrefX can % distinguish floats from other xref types. \def\floatmagic{!!float!!} % #1 is the control sequence we are passed; we expand into a conditional % which is true if #1 represents a float ref. That is, the magic % \lastsection value which we \setref above. % \def\iffloat#1{\expandafter\doiffloat#1==\finish} % % #1 is (maybe) the \floatmagic string. If so, #2 will be the % (safe) float type for this float. We set \iffloattype to #2. % \def\doiffloat#1=#2=#3\finish{% \def\temp{#1}% \def\iffloattype{#2}% \ifx\temp\floatmagic } % @listoffloats FLOATTYPE - print a list of floats like a table of contents. % \parseargdef\listoffloats{% \def\floattype{#1}% floattype {% % the floattype might have accents or other special characters, % but we need to use it in a control sequence name. \indexnofonts \turnoffactive \xdef\safefloattype{\floattype}% }% % % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE. \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax \ifhavexrefs % if the user said @listoffloats foo but never @float foo. \message{\linenumber No `\safefloattype' floats to list.}% \fi \else \begingroup \leftskip=\tocindent % indent these entries like a toc \let\do=\listoffloatsdo \csname floatlist\safefloattype\endcsname \endgroup \fi } % This is called on each entry in a list of floats. We're passed the % xref label, in the form LABEL-title, which is how we save it in the % aux file. We strip off the -title and look up \XRLABEL-lof, which % has the text we're supposed to typeset here. % % Figures without xref labels will not be included in the list (since % they won't appear in the aux file). % \def\listoffloatsdo#1{\listoffloatsdoentry#1\finish} \def\listoffloatsdoentry#1-title\finish{{% % Can't fully expand XR#1-lof because it can contain anything. Just % pass the control sequence. On the other hand, XR#1-pg is just the % page number, and we want to fully expand that so we can get a link % in pdf output. \toksA = \expandafter{\csname XR#1-lof\endcsname}% % % use the same \entry macro we use to generate the TOC and index. \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}% \writeentry }} \message{localization,} % For single-language documents, @documentlanguage is usually given very % early, just after @documentencoding. Single argument is the language % (de) or locale (de_DE) abbreviation. % { \catcode`\_ = \active \globaldefs=1 \parseargdef\documentlanguage{\begingroup \let_=\normalunderscore % normal _ character for filenames \tex % read txi-??.tex file in plain TeX. % Read the file by the name they passed if it exists. \openin 1 txi-#1.tex \ifeof 1 \documentlanguagetrywithoutunderscore{#1_\finish}% \else \globaldefs = 1 % everything in the txi-LL files needs to persist \input txi-#1.tex \fi \closein 1 \endgroup % end raw TeX \endgroup} % % If they passed de_DE, and txi-de_DE.tex doesn't exist, % try txi-de.tex. % \gdef\documentlanguagetrywithoutunderscore#1_#2\finish{% \openin 1 txi-#1.tex \ifeof 1 \errhelp = \nolanghelp \errmessage{Cannot read language file txi-#1.tex}% \else \globaldefs = 1 % everything in the txi-LL files needs to persist \input txi-#1.tex \fi \closein 1 } }% end of special _ catcode % \newhelp\nolanghelp{The given language definition file cannot be found or is empty. Maybe you need to install it? Putting it in the current directory should work if nowhere else does.} % This macro is called from txi-??.tex files; the first argument is the % \language name to set (without the "\lang@" prefix), the second and % third args are \{left,right}hyphenmin. % % The language names to pass are determined when the format is built. % See the etex.log file created at that time, e.g., % /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log. % % With TeX Live 2008, etex now includes hyphenation patterns for all % available languages. This means we can support hyphenation in % Texinfo, at least to some extent. (This still doesn't solve the % accented characters problem.) % \catcode`@=11 \def\txisetlanguage#1#2#3{% % do not set the language if the name is undefined in the current TeX. \expandafter\ifx\csname lang@#1\endcsname \relax \message{no patterns for #1}% \else \global\language = \csname lang@#1\endcsname \fi % but there is no harm in adjusting the hyphenmin values regardless. \global\lefthyphenmin = #2\relax \global\righthyphenmin = #3\relax } % Helpers for encodings. % Set the catcode of characters 128 through 255 to the specified number. % \def\setnonasciicharscatcode#1{% \count255=128 \loop\ifnum\count255<256 \global\catcode\count255=#1\relax \advance\count255 by 1 \repeat } \def\setnonasciicharscatcodenonglobal#1{% \count255=128 \loop\ifnum\count255<256 \catcode\count255=#1\relax \advance\count255 by 1 \repeat } % @documentencoding sets the definition of non-ASCII characters % according to the specified encoding. % \parseargdef\documentencoding{% % Encoding being declared for the document. \def\declaredencoding{\csname #1.enc\endcsname}% % % Supported encodings: names converted to tokens in order to be able % to compare them with \ifx. \def\ascii{\csname US-ASCII.enc\endcsname}% \def\latnine{\csname ISO-8859-15.enc\endcsname}% \def\latone{\csname ISO-8859-1.enc\endcsname}% \def\lattwo{\csname ISO-8859-2.enc\endcsname}% \def\utfeight{\csname UTF-8.enc\endcsname}% % \ifx \declaredencoding \ascii \asciichardefs % \else \ifx \declaredencoding \lattwo \setnonasciicharscatcode\active \lattwochardefs % \else \ifx \declaredencoding \latone \setnonasciicharscatcode\active \latonechardefs % \else \ifx \declaredencoding \latnine \setnonasciicharscatcode\active \latninechardefs % \else \ifx \declaredencoding \utfeight \setnonasciicharscatcode\active \utfeightchardefs % \else \message{Unknown document encoding #1, ignoring.}% % \fi % utfeight \fi % latnine \fi % latone \fi % lattwo \fi % ascii } % A message to be logged when using a character that isn't available % the default font encoding (OT1). % \def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}} % Take account of \c (plain) vs. \, (Texinfo) difference. \def\cedilla#1{\ifx\c\ptexc\c{#1}\else\,{#1}\fi} % First, make active non-ASCII characters in order for them to be % correctly categorized when TeX reads the replacement text of % macros containing the character definitions. \setnonasciicharscatcode\active % % Latin1 (ISO-8859-1) character definitions. \def\latonechardefs{% \gdef^^a0{\tie} \gdef^^a1{\exclamdown} \gdef^^a2{\missingcharmsg{CENT SIGN}} \gdef^^a3{{\pounds}} \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} \gdef^^a5{\missingcharmsg{YEN SIGN}} \gdef^^a6{\missingcharmsg{BROKEN BAR}} \gdef^^a7{\S} \gdef^^a8{\"{}} \gdef^^a9{\copyright} \gdef^^aa{\ordf} \gdef^^ab{\guillemetleft} \gdef^^ac{$\lnot$} \gdef^^ad{\-} \gdef^^ae{\registeredsymbol} \gdef^^af{\={}} % \gdef^^b0{\textdegree} \gdef^^b1{$\pm$} \gdef^^b2{$^2$} \gdef^^b3{$^3$} \gdef^^b4{\'{}} \gdef^^b5{$\mu$} \gdef^^b6{\P} % \gdef^^b7{$^.$} \gdef^^b8{\cedilla\ } \gdef^^b9{$^1$} \gdef^^ba{\ordm} % \gdef^^bb{\guillemetright} \gdef^^bc{$1\over4$} \gdef^^bd{$1\over2$} \gdef^^be{$3\over4$} \gdef^^bf{\questiondown} % \gdef^^c0{\`A} \gdef^^c1{\'A} \gdef^^c2{\^A} \gdef^^c3{\~A} \gdef^^c4{\"A} \gdef^^c5{\ringaccent A} \gdef^^c6{\AE} \gdef^^c7{\cedilla C} \gdef^^c8{\`E} \gdef^^c9{\'E} \gdef^^ca{\^E} \gdef^^cb{\"E} \gdef^^cc{\`I} \gdef^^cd{\'I} \gdef^^ce{\^I} \gdef^^cf{\"I} % \gdef^^d0{\DH} \gdef^^d1{\~N} \gdef^^d2{\`O} \gdef^^d3{\'O} \gdef^^d4{\^O} \gdef^^d5{\~O} \gdef^^d6{\"O} \gdef^^d7{$\times$} \gdef^^d8{\O} \gdef^^d9{\`U} \gdef^^da{\'U} \gdef^^db{\^U} \gdef^^dc{\"U} \gdef^^dd{\'Y} \gdef^^de{\TH} \gdef^^df{\ss} % \gdef^^e0{\`a} \gdef^^e1{\'a} \gdef^^e2{\^a} \gdef^^e3{\~a} \gdef^^e4{\"a} \gdef^^e5{\ringaccent a} \gdef^^e6{\ae} \gdef^^e7{\cedilla c} \gdef^^e8{\`e} \gdef^^e9{\'e} \gdef^^ea{\^e} \gdef^^eb{\"e} \gdef^^ec{\`{\dotless i}} \gdef^^ed{\'{\dotless i}} \gdef^^ee{\^{\dotless i}} \gdef^^ef{\"{\dotless i}} % \gdef^^f0{\dh} \gdef^^f1{\~n} \gdef^^f2{\`o} \gdef^^f3{\'o} \gdef^^f4{\^o} \gdef^^f5{\~o} \gdef^^f6{\"o} \gdef^^f7{$\div$} \gdef^^f8{\o} \gdef^^f9{\`u} \gdef^^fa{\'u} \gdef^^fb{\^u} \gdef^^fc{\"u} \gdef^^fd{\'y} \gdef^^fe{\th} \gdef^^ff{\"y} } % Latin9 (ISO-8859-15) encoding character definitions. \def\latninechardefs{% % Encoding is almost identical to Latin1. \latonechardefs % \gdef^^a4{\euro} \gdef^^a6{\v S} \gdef^^a8{\v s} \gdef^^b4{\v Z} \gdef^^b8{\v z} \gdef^^bc{\OE} \gdef^^bd{\oe} \gdef^^be{\"Y} } % Latin2 (ISO-8859-2) character definitions. \def\lattwochardefs{% \gdef^^a0{\tie} \gdef^^a1{\ogonek{A}} \gdef^^a2{\u{}} \gdef^^a3{\L} \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} \gdef^^a5{\v L} \gdef^^a6{\'S} \gdef^^a7{\S} \gdef^^a8{\"{}} \gdef^^a9{\v S} \gdef^^aa{\cedilla S} \gdef^^ab{\v T} \gdef^^ac{\'Z} \gdef^^ad{\-} \gdef^^ae{\v Z} \gdef^^af{\dotaccent Z} % \gdef^^b0{\textdegree} \gdef^^b1{\ogonek{a}} \gdef^^b2{\ogonek{ }} \gdef^^b3{\l} \gdef^^b4{\'{}} \gdef^^b5{\v l} \gdef^^b6{\'s} \gdef^^b7{\v{}} \gdef^^b8{\cedilla\ } \gdef^^b9{\v s} \gdef^^ba{\cedilla s} \gdef^^bb{\v t} \gdef^^bc{\'z} \gdef^^bd{\H{}} \gdef^^be{\v z} \gdef^^bf{\dotaccent z} % \gdef^^c0{\'R} \gdef^^c1{\'A} \gdef^^c2{\^A} \gdef^^c3{\u A} \gdef^^c4{\"A} \gdef^^c5{\'L} \gdef^^c6{\'C} \gdef^^c7{\cedilla C} \gdef^^c8{\v C} \gdef^^c9{\'E} \gdef^^ca{\ogonek{E}} \gdef^^cb{\"E} \gdef^^cc{\v E} \gdef^^cd{\'I} \gdef^^ce{\^I} \gdef^^cf{\v D} % \gdef^^d0{\DH} \gdef^^d1{\'N} \gdef^^d2{\v N} \gdef^^d3{\'O} \gdef^^d4{\^O} \gdef^^d5{\H O} \gdef^^d6{\"O} \gdef^^d7{$\times$} \gdef^^d8{\v R} \gdef^^d9{\ringaccent U} \gdef^^da{\'U} \gdef^^db{\H U} \gdef^^dc{\"U} \gdef^^dd{\'Y} \gdef^^de{\cedilla T} \gdef^^df{\ss} % \gdef^^e0{\'r} \gdef^^e1{\'a} \gdef^^e2{\^a} \gdef^^e3{\u a} \gdef^^e4{\"a} \gdef^^e5{\'l} \gdef^^e6{\'c} \gdef^^e7{\cedilla c} \gdef^^e8{\v c} \gdef^^e9{\'e} \gdef^^ea{\ogonek{e}} \gdef^^eb{\"e} \gdef^^ec{\v e} \gdef^^ed{\'{\dotless{i}}} \gdef^^ee{\^{\dotless{i}}} \gdef^^ef{\v d} % \gdef^^f0{\dh} \gdef^^f1{\'n} \gdef^^f2{\v n} \gdef^^f3{\'o} \gdef^^f4{\^o} \gdef^^f5{\H o} \gdef^^f6{\"o} \gdef^^f7{$\div$} \gdef^^f8{\v r} \gdef^^f9{\ringaccent u} \gdef^^fa{\'u} \gdef^^fb{\H u} \gdef^^fc{\"u} \gdef^^fd{\'y} \gdef^^fe{\cedilla t} \gdef^^ff{\dotaccent{}} } % UTF-8 character definitions. % % This code to support UTF-8 is based on LaTeX's utf8.def, with some % changes for Texinfo conventions. It is included here under the GPL by % permission from Frank Mittelbach and the LaTeX team. % \newcount\countUTFx \newcount\countUTFy \newcount\countUTFz \gdef\UTFviiiTwoOctets#1#2{\expandafter \UTFviiiDefined\csname u8:#1\string #2\endcsname} % \gdef\UTFviiiThreeOctets#1#2#3{\expandafter \UTFviiiDefined\csname u8:#1\string #2\string #3\endcsname} % \gdef\UTFviiiFourOctets#1#2#3#4{\expandafter \UTFviiiDefined\csname u8:#1\string #2\string #3\string #4\endcsname} \gdef\UTFviiiDefined#1{% \ifx #1\relax \message{\linenumber Unicode char \string #1 not defined for Texinfo}% \else \expandafter #1% \fi } \begingroup \catcode`\~13 \catcode`\"12 \def\UTFviiiLoop{% \global\catcode\countUTFx\active \uccode`\~\countUTFx \uppercase\expandafter{\UTFviiiTmp}% \advance\countUTFx by 1 \ifnum\countUTFx < \countUTFy \expandafter\UTFviiiLoop \fi} \countUTFx = "C2 \countUTFy = "E0 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiTwoOctets\string~}} \UTFviiiLoop \countUTFx = "E0 \countUTFy = "F0 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiThreeOctets\string~}} \UTFviiiLoop \countUTFx = "F0 \countUTFy = "F4 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiFourOctets\string~}} \UTFviiiLoop \endgroup \begingroup \catcode`\"=12 \catcode`\<=12 \catcode`\.=12 \catcode`\,=12 \catcode`\;=12 \catcode`\!=12 \catcode`\~=13 \gdef\DeclareUnicodeCharacter#1#2{% \countUTFz = "#1\relax %\wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}% \begingroup \parseXMLCharref \def\UTFviiiTwoOctets##1##2{% \csname u8:##1\string ##2\endcsname}% \def\UTFviiiThreeOctets##1##2##3{% \csname u8:##1\string ##2\string ##3\endcsname}% \def\UTFviiiFourOctets##1##2##3##4{% \csname u8:##1\string ##2\string ##3\string ##4\endcsname}% \expandafter\expandafter\expandafter\expandafter \expandafter\expandafter\expandafter \gdef\UTFviiiTmp{#2}% \endgroup} \gdef\parseXMLCharref{% \ifnum\countUTFz < "A0\relax \errhelp = \EMsimple \errmessage{Cannot define Unicode char value < 00A0}% \else\ifnum\countUTFz < "800\relax \parseUTFviiiA,% \parseUTFviiiB C\UTFviiiTwoOctets.,% \else\ifnum\countUTFz < "10000\relax \parseUTFviiiA;% \parseUTFviiiA,% \parseUTFviiiB E\UTFviiiThreeOctets.{,;}% \else \parseUTFviiiA;% \parseUTFviiiA,% \parseUTFviiiA!% \parseUTFviiiB F\UTFviiiFourOctets.{!,;}% \fi\fi\fi } \gdef\parseUTFviiiA#1{% \countUTFx = \countUTFz \divide\countUTFz by 64 \countUTFy = \countUTFz \multiply\countUTFz by 64 \advance\countUTFx by -\countUTFz \advance\countUTFx by 128 \uccode `#1\countUTFx \countUTFz = \countUTFy} \gdef\parseUTFviiiB#1#2#3#4{% \advance\countUTFz by "#10\relax \uccode `#3\countUTFz \uppercase{\gdef\UTFviiiTmp{#2#3#4}}} \endgroup \def\utfeightchardefs{% \DeclareUnicodeCharacter{00A0}{\tie} \DeclareUnicodeCharacter{00A1}{\exclamdown} \DeclareUnicodeCharacter{00A3}{\pounds} \DeclareUnicodeCharacter{00A8}{\"{ }} \DeclareUnicodeCharacter{00A9}{\copyright} \DeclareUnicodeCharacter{00AA}{\ordf} \DeclareUnicodeCharacter{00AB}{\guillemetleft} \DeclareUnicodeCharacter{00AD}{\-} \DeclareUnicodeCharacter{00AE}{\registeredsymbol} \DeclareUnicodeCharacter{00AF}{\={ }} \DeclareUnicodeCharacter{00B0}{\ringaccent{ }} \DeclareUnicodeCharacter{00B4}{\'{ }} \DeclareUnicodeCharacter{00B8}{\cedilla{ }} \DeclareUnicodeCharacter{00BA}{\ordm} \DeclareUnicodeCharacter{00BB}{\guillemetright} \DeclareUnicodeCharacter{00BF}{\questiondown} \DeclareUnicodeCharacter{00C0}{\`A} \DeclareUnicodeCharacter{00C1}{\'A} \DeclareUnicodeCharacter{00C2}{\^A} \DeclareUnicodeCharacter{00C3}{\~A} \DeclareUnicodeCharacter{00C4}{\"A} \DeclareUnicodeCharacter{00C5}{\AA} \DeclareUnicodeCharacter{00C6}{\AE} \DeclareUnicodeCharacter{00C7}{\cedilla{C}} \DeclareUnicodeCharacter{00C8}{\`E} \DeclareUnicodeCharacter{00C9}{\'E} \DeclareUnicodeCharacter{00CA}{\^E} \DeclareUnicodeCharacter{00CB}{\"E} \DeclareUnicodeCharacter{00CC}{\`I} \DeclareUnicodeCharacter{00CD}{\'I} \DeclareUnicodeCharacter{00CE}{\^I} \DeclareUnicodeCharacter{00CF}{\"I} \DeclareUnicodeCharacter{00D0}{\DH} \DeclareUnicodeCharacter{00D1}{\~N} \DeclareUnicodeCharacter{00D2}{\`O} \DeclareUnicodeCharacter{00D3}{\'O} \DeclareUnicodeCharacter{00D4}{\^O} \DeclareUnicodeCharacter{00D5}{\~O} \DeclareUnicodeCharacter{00D6}{\"O} \DeclareUnicodeCharacter{00D8}{\O} \DeclareUnicodeCharacter{00D9}{\`U} \DeclareUnicodeCharacter{00DA}{\'U} \DeclareUnicodeCharacter{00DB}{\^U} \DeclareUnicodeCharacter{00DC}{\"U} \DeclareUnicodeCharacter{00DD}{\'Y} \DeclareUnicodeCharacter{00DE}{\TH} \DeclareUnicodeCharacter{00DF}{\ss} \DeclareUnicodeCharacter{00E0}{\`a} \DeclareUnicodeCharacter{00E1}{\'a} \DeclareUnicodeCharacter{00E2}{\^a} \DeclareUnicodeCharacter{00E3}{\~a} \DeclareUnicodeCharacter{00E4}{\"a} \DeclareUnicodeCharacter{00E5}{\aa} \DeclareUnicodeCharacter{00E6}{\ae} \DeclareUnicodeCharacter{00E7}{\cedilla{c}} \DeclareUnicodeCharacter{00E8}{\`e} \DeclareUnicodeCharacter{00E9}{\'e} \DeclareUnicodeCharacter{00EA}{\^e} \DeclareUnicodeCharacter{00EB}{\"e} \DeclareUnicodeCharacter{00EC}{\`{\dotless{i}}} \DeclareUnicodeCharacter{00ED}{\'{\dotless{i}}} \DeclareUnicodeCharacter{00EE}{\^{\dotless{i}}} \DeclareUnicodeCharacter{00EF}{\"{\dotless{i}}} \DeclareUnicodeCharacter{00F0}{\dh} \DeclareUnicodeCharacter{00F1}{\~n} \DeclareUnicodeCharacter{00F2}{\`o} \DeclareUnicodeCharacter{00F3}{\'o} \DeclareUnicodeCharacter{00F4}{\^o} \DeclareUnicodeCharacter{00F5}{\~o} \DeclareUnicodeCharacter{00F6}{\"o} \DeclareUnicodeCharacter{00F8}{\o} \DeclareUnicodeCharacter{00F9}{\`u} \DeclareUnicodeCharacter{00FA}{\'u} \DeclareUnicodeCharacter{00FB}{\^u} \DeclareUnicodeCharacter{00FC}{\"u} \DeclareUnicodeCharacter{00FD}{\'y} \DeclareUnicodeCharacter{00FE}{\th} \DeclareUnicodeCharacter{00FF}{\"y} \DeclareUnicodeCharacter{0100}{\=A} \DeclareUnicodeCharacter{0101}{\=a} \DeclareUnicodeCharacter{0102}{\u{A}} \DeclareUnicodeCharacter{0103}{\u{a}} \DeclareUnicodeCharacter{0104}{\ogonek{A}} \DeclareUnicodeCharacter{0105}{\ogonek{a}} \DeclareUnicodeCharacter{0106}{\'C} \DeclareUnicodeCharacter{0107}{\'c} \DeclareUnicodeCharacter{0108}{\^C} \DeclareUnicodeCharacter{0109}{\^c} \DeclareUnicodeCharacter{0118}{\ogonek{E}} \DeclareUnicodeCharacter{0119}{\ogonek{e}} \DeclareUnicodeCharacter{010A}{\dotaccent{C}} \DeclareUnicodeCharacter{010B}{\dotaccent{c}} \DeclareUnicodeCharacter{010C}{\v{C}} \DeclareUnicodeCharacter{010D}{\v{c}} \DeclareUnicodeCharacter{010E}{\v{D}} \DeclareUnicodeCharacter{0112}{\=E} \DeclareUnicodeCharacter{0113}{\=e} \DeclareUnicodeCharacter{0114}{\u{E}} \DeclareUnicodeCharacter{0115}{\u{e}} \DeclareUnicodeCharacter{0116}{\dotaccent{E}} \DeclareUnicodeCharacter{0117}{\dotaccent{e}} \DeclareUnicodeCharacter{011A}{\v{E}} \DeclareUnicodeCharacter{011B}{\v{e}} \DeclareUnicodeCharacter{011C}{\^G} \DeclareUnicodeCharacter{011D}{\^g} \DeclareUnicodeCharacter{011E}{\u{G}} \DeclareUnicodeCharacter{011F}{\u{g}} \DeclareUnicodeCharacter{0120}{\dotaccent{G}} \DeclareUnicodeCharacter{0121}{\dotaccent{g}} \DeclareUnicodeCharacter{0124}{\^H} \DeclareUnicodeCharacter{0125}{\^h} \DeclareUnicodeCharacter{0128}{\~I} \DeclareUnicodeCharacter{0129}{\~{\dotless{i}}} \DeclareUnicodeCharacter{012A}{\=I} \DeclareUnicodeCharacter{012B}{\={\dotless{i}}} \DeclareUnicodeCharacter{012C}{\u{I}} \DeclareUnicodeCharacter{012D}{\u{\dotless{i}}} \DeclareUnicodeCharacter{0130}{\dotaccent{I}} \DeclareUnicodeCharacter{0131}{\dotless{i}} \DeclareUnicodeCharacter{0132}{IJ} \DeclareUnicodeCharacter{0133}{ij} \DeclareUnicodeCharacter{0134}{\^J} \DeclareUnicodeCharacter{0135}{\^{\dotless{j}}} \DeclareUnicodeCharacter{0139}{\'L} \DeclareUnicodeCharacter{013A}{\'l} \DeclareUnicodeCharacter{0141}{\L} \DeclareUnicodeCharacter{0142}{\l} \DeclareUnicodeCharacter{0143}{\'N} \DeclareUnicodeCharacter{0144}{\'n} \DeclareUnicodeCharacter{0147}{\v{N}} \DeclareUnicodeCharacter{0148}{\v{n}} \DeclareUnicodeCharacter{014C}{\=O} \DeclareUnicodeCharacter{014D}{\=o} \DeclareUnicodeCharacter{014E}{\u{O}} \DeclareUnicodeCharacter{014F}{\u{o}} \DeclareUnicodeCharacter{0150}{\H{O}} \DeclareUnicodeCharacter{0151}{\H{o}} \DeclareUnicodeCharacter{0152}{\OE} \DeclareUnicodeCharacter{0153}{\oe} \DeclareUnicodeCharacter{0154}{\'R} \DeclareUnicodeCharacter{0155}{\'r} \DeclareUnicodeCharacter{0158}{\v{R}} \DeclareUnicodeCharacter{0159}{\v{r}} \DeclareUnicodeCharacter{015A}{\'S} \DeclareUnicodeCharacter{015B}{\'s} \DeclareUnicodeCharacter{015C}{\^S} \DeclareUnicodeCharacter{015D}{\^s} \DeclareUnicodeCharacter{015E}{\cedilla{S}} \DeclareUnicodeCharacter{015F}{\cedilla{s}} \DeclareUnicodeCharacter{0160}{\v{S}} \DeclareUnicodeCharacter{0161}{\v{s}} \DeclareUnicodeCharacter{0162}{\cedilla{t}} \DeclareUnicodeCharacter{0163}{\cedilla{T}} \DeclareUnicodeCharacter{0164}{\v{T}} \DeclareUnicodeCharacter{0168}{\~U} \DeclareUnicodeCharacter{0169}{\~u} \DeclareUnicodeCharacter{016A}{\=U} \DeclareUnicodeCharacter{016B}{\=u} \DeclareUnicodeCharacter{016C}{\u{U}} \DeclareUnicodeCharacter{016D}{\u{u}} \DeclareUnicodeCharacter{016E}{\ringaccent{U}} \DeclareUnicodeCharacter{016F}{\ringaccent{u}} \DeclareUnicodeCharacter{0170}{\H{U}} \DeclareUnicodeCharacter{0171}{\H{u}} \DeclareUnicodeCharacter{0174}{\^W} \DeclareUnicodeCharacter{0175}{\^w} \DeclareUnicodeCharacter{0176}{\^Y} \DeclareUnicodeCharacter{0177}{\^y} \DeclareUnicodeCharacter{0178}{\"Y} \DeclareUnicodeCharacter{0179}{\'Z} \DeclareUnicodeCharacter{017A}{\'z} \DeclareUnicodeCharacter{017B}{\dotaccent{Z}} \DeclareUnicodeCharacter{017C}{\dotaccent{z}} \DeclareUnicodeCharacter{017D}{\v{Z}} \DeclareUnicodeCharacter{017E}{\v{z}} \DeclareUnicodeCharacter{01C4}{D\v{Z}} \DeclareUnicodeCharacter{01C5}{D\v{z}} \DeclareUnicodeCharacter{01C6}{d\v{z}} \DeclareUnicodeCharacter{01C7}{LJ} \DeclareUnicodeCharacter{01C8}{Lj} \DeclareUnicodeCharacter{01C9}{lj} \DeclareUnicodeCharacter{01CA}{NJ} \DeclareUnicodeCharacter{01CB}{Nj} \DeclareUnicodeCharacter{01CC}{nj} \DeclareUnicodeCharacter{01CD}{\v{A}} \DeclareUnicodeCharacter{01CE}{\v{a}} \DeclareUnicodeCharacter{01CF}{\v{I}} \DeclareUnicodeCharacter{01D0}{\v{\dotless{i}}} \DeclareUnicodeCharacter{01D1}{\v{O}} \DeclareUnicodeCharacter{01D2}{\v{o}} \DeclareUnicodeCharacter{01D3}{\v{U}} \DeclareUnicodeCharacter{01D4}{\v{u}} \DeclareUnicodeCharacter{01E2}{\={\AE}} \DeclareUnicodeCharacter{01E3}{\={\ae}} \DeclareUnicodeCharacter{01E6}{\v{G}} \DeclareUnicodeCharacter{01E7}{\v{g}} \DeclareUnicodeCharacter{01E8}{\v{K}} \DeclareUnicodeCharacter{01E9}{\v{k}} \DeclareUnicodeCharacter{01F0}{\v{\dotless{j}}} \DeclareUnicodeCharacter{01F1}{DZ} \DeclareUnicodeCharacter{01F2}{Dz} \DeclareUnicodeCharacter{01F3}{dz} \DeclareUnicodeCharacter{01F4}{\'G} \DeclareUnicodeCharacter{01F5}{\'g} \DeclareUnicodeCharacter{01F8}{\`N} \DeclareUnicodeCharacter{01F9}{\`n} \DeclareUnicodeCharacter{01FC}{\'{\AE}} \DeclareUnicodeCharacter{01FD}{\'{\ae}} \DeclareUnicodeCharacter{01FE}{\'{\O}} \DeclareUnicodeCharacter{01FF}{\'{\o}} \DeclareUnicodeCharacter{021E}{\v{H}} \DeclareUnicodeCharacter{021F}{\v{h}} \DeclareUnicodeCharacter{0226}{\dotaccent{A}} \DeclareUnicodeCharacter{0227}{\dotaccent{a}} \DeclareUnicodeCharacter{0228}{\cedilla{E}} \DeclareUnicodeCharacter{0229}{\cedilla{e}} \DeclareUnicodeCharacter{022E}{\dotaccent{O}} \DeclareUnicodeCharacter{022F}{\dotaccent{o}} \DeclareUnicodeCharacter{0232}{\=Y} \DeclareUnicodeCharacter{0233}{\=y} \DeclareUnicodeCharacter{0237}{\dotless{j}} \DeclareUnicodeCharacter{02DB}{\ogonek{ }} \DeclareUnicodeCharacter{1E02}{\dotaccent{B}} \DeclareUnicodeCharacter{1E03}{\dotaccent{b}} \DeclareUnicodeCharacter{1E04}{\udotaccent{B}} \DeclareUnicodeCharacter{1E05}{\udotaccent{b}} \DeclareUnicodeCharacter{1E06}{\ubaraccent{B}} \DeclareUnicodeCharacter{1E07}{\ubaraccent{b}} \DeclareUnicodeCharacter{1E0A}{\dotaccent{D}} \DeclareUnicodeCharacter{1E0B}{\dotaccent{d}} \DeclareUnicodeCharacter{1E0C}{\udotaccent{D}} \DeclareUnicodeCharacter{1E0D}{\udotaccent{d}} \DeclareUnicodeCharacter{1E0E}{\ubaraccent{D}} \DeclareUnicodeCharacter{1E0F}{\ubaraccent{d}} \DeclareUnicodeCharacter{1E1E}{\dotaccent{F}} \DeclareUnicodeCharacter{1E1F}{\dotaccent{f}} \DeclareUnicodeCharacter{1E20}{\=G} \DeclareUnicodeCharacter{1E21}{\=g} \DeclareUnicodeCharacter{1E22}{\dotaccent{H}} \DeclareUnicodeCharacter{1E23}{\dotaccent{h}} \DeclareUnicodeCharacter{1E24}{\udotaccent{H}} \DeclareUnicodeCharacter{1E25}{\udotaccent{h}} \DeclareUnicodeCharacter{1E26}{\"H} \DeclareUnicodeCharacter{1E27}{\"h} \DeclareUnicodeCharacter{1E30}{\'K} \DeclareUnicodeCharacter{1E31}{\'k} \DeclareUnicodeCharacter{1E32}{\udotaccent{K}} \DeclareUnicodeCharacter{1E33}{\udotaccent{k}} \DeclareUnicodeCharacter{1E34}{\ubaraccent{K}} \DeclareUnicodeCharacter{1E35}{\ubaraccent{k}} \DeclareUnicodeCharacter{1E36}{\udotaccent{L}} \DeclareUnicodeCharacter{1E37}{\udotaccent{l}} \DeclareUnicodeCharacter{1E3A}{\ubaraccent{L}} \DeclareUnicodeCharacter{1E3B}{\ubaraccent{l}} \DeclareUnicodeCharacter{1E3E}{\'M} \DeclareUnicodeCharacter{1E3F}{\'m} \DeclareUnicodeCharacter{1E40}{\dotaccent{M}} \DeclareUnicodeCharacter{1E41}{\dotaccent{m}} \DeclareUnicodeCharacter{1E42}{\udotaccent{M}} \DeclareUnicodeCharacter{1E43}{\udotaccent{m}} \DeclareUnicodeCharacter{1E44}{\dotaccent{N}} \DeclareUnicodeCharacter{1E45}{\dotaccent{n}} \DeclareUnicodeCharacter{1E46}{\udotaccent{N}} \DeclareUnicodeCharacter{1E47}{\udotaccent{n}} \DeclareUnicodeCharacter{1E48}{\ubaraccent{N}} \DeclareUnicodeCharacter{1E49}{\ubaraccent{n}} \DeclareUnicodeCharacter{1E54}{\'P} \DeclareUnicodeCharacter{1E55}{\'p} \DeclareUnicodeCharacter{1E56}{\dotaccent{P}} \DeclareUnicodeCharacter{1E57}{\dotaccent{p}} \DeclareUnicodeCharacter{1E58}{\dotaccent{R}} \DeclareUnicodeCharacter{1E59}{\dotaccent{r}} \DeclareUnicodeCharacter{1E5A}{\udotaccent{R}} \DeclareUnicodeCharacter{1E5B}{\udotaccent{r}} \DeclareUnicodeCharacter{1E5E}{\ubaraccent{R}} \DeclareUnicodeCharacter{1E5F}{\ubaraccent{r}} \DeclareUnicodeCharacter{1E60}{\dotaccent{S}} \DeclareUnicodeCharacter{1E61}{\dotaccent{s}} \DeclareUnicodeCharacter{1E62}{\udotaccent{S}} \DeclareUnicodeCharacter{1E63}{\udotaccent{s}} \DeclareUnicodeCharacter{1E6A}{\dotaccent{T}} \DeclareUnicodeCharacter{1E6B}{\dotaccent{t}} \DeclareUnicodeCharacter{1E6C}{\udotaccent{T}} \DeclareUnicodeCharacter{1E6D}{\udotaccent{t}} \DeclareUnicodeCharacter{1E6E}{\ubaraccent{T}} \DeclareUnicodeCharacter{1E6F}{\ubaraccent{t}} \DeclareUnicodeCharacter{1E7C}{\~V} \DeclareUnicodeCharacter{1E7D}{\~v} \DeclareUnicodeCharacter{1E7E}{\udotaccent{V}} \DeclareUnicodeCharacter{1E7F}{\udotaccent{v}} \DeclareUnicodeCharacter{1E80}{\`W} \DeclareUnicodeCharacter{1E81}{\`w} \DeclareUnicodeCharacter{1E82}{\'W} \DeclareUnicodeCharacter{1E83}{\'w} \DeclareUnicodeCharacter{1E84}{\"W} \DeclareUnicodeCharacter{1E85}{\"w} \DeclareUnicodeCharacter{1E86}{\dotaccent{W}} \DeclareUnicodeCharacter{1E87}{\dotaccent{w}} \DeclareUnicodeCharacter{1E88}{\udotaccent{W}} \DeclareUnicodeCharacter{1E89}{\udotaccent{w}} \DeclareUnicodeCharacter{1E8A}{\dotaccent{X}} \DeclareUnicodeCharacter{1E8B}{\dotaccent{x}} \DeclareUnicodeCharacter{1E8C}{\"X} \DeclareUnicodeCharacter{1E8D}{\"x} \DeclareUnicodeCharacter{1E8E}{\dotaccent{Y}} \DeclareUnicodeCharacter{1E8F}{\dotaccent{y}} \DeclareUnicodeCharacter{1E90}{\^Z} \DeclareUnicodeCharacter{1E91}{\^z} \DeclareUnicodeCharacter{1E92}{\udotaccent{Z}} \DeclareUnicodeCharacter{1E93}{\udotaccent{z}} \DeclareUnicodeCharacter{1E94}{\ubaraccent{Z}} \DeclareUnicodeCharacter{1E95}{\ubaraccent{z}} \DeclareUnicodeCharacter{1E96}{\ubaraccent{h}} \DeclareUnicodeCharacter{1E97}{\"t} \DeclareUnicodeCharacter{1E98}{\ringaccent{w}} \DeclareUnicodeCharacter{1E99}{\ringaccent{y}} \DeclareUnicodeCharacter{1EA0}{\udotaccent{A}} \DeclareUnicodeCharacter{1EA1}{\udotaccent{a}} \DeclareUnicodeCharacter{1EB8}{\udotaccent{E}} \DeclareUnicodeCharacter{1EB9}{\udotaccent{e}} \DeclareUnicodeCharacter{1EBC}{\~E} \DeclareUnicodeCharacter{1EBD}{\~e} \DeclareUnicodeCharacter{1ECA}{\udotaccent{I}} \DeclareUnicodeCharacter{1ECB}{\udotaccent{i}} \DeclareUnicodeCharacter{1ECC}{\udotaccent{O}} \DeclareUnicodeCharacter{1ECD}{\udotaccent{o}} \DeclareUnicodeCharacter{1EE4}{\udotaccent{U}} \DeclareUnicodeCharacter{1EE5}{\udotaccent{u}} \DeclareUnicodeCharacter{1EF2}{\`Y} \DeclareUnicodeCharacter{1EF3}{\`y} \DeclareUnicodeCharacter{1EF4}{\udotaccent{Y}} \DeclareUnicodeCharacter{1EF8}{\~Y} \DeclareUnicodeCharacter{1EF9}{\~y} \DeclareUnicodeCharacter{2013}{--} \DeclareUnicodeCharacter{2014}{---} \DeclareUnicodeCharacter{2018}{\quoteleft} \DeclareUnicodeCharacter{2019}{\quoteright} \DeclareUnicodeCharacter{201A}{\quotesinglbase} \DeclareUnicodeCharacter{201C}{\quotedblleft} \DeclareUnicodeCharacter{201D}{\quotedblright} \DeclareUnicodeCharacter{201E}{\quotedblbase} \DeclareUnicodeCharacter{2022}{\bullet} \DeclareUnicodeCharacter{2026}{\dots} \DeclareUnicodeCharacter{2039}{\guilsinglleft} \DeclareUnicodeCharacter{203A}{\guilsinglright} \DeclareUnicodeCharacter{20AC}{\euro} \DeclareUnicodeCharacter{2192}{\expansion} \DeclareUnicodeCharacter{21D2}{\result} \DeclareUnicodeCharacter{2212}{\minus} \DeclareUnicodeCharacter{2217}{\point} \DeclareUnicodeCharacter{2261}{\equiv} }% end of \utfeightchardefs % US-ASCII character definitions. \def\asciichardefs{% nothing need be done \relax } % Make non-ASCII characters printable again for compatibility with % existing Texinfo documents that may use them, even without declaring a % document encoding. % \setnonasciicharscatcode \other \message{formatting,} \newdimen\defaultparindent \defaultparindent = 15pt \chapheadingskip = 15pt plus 4pt minus 2pt \secheadingskip = 12pt plus 3pt minus 2pt \subsecheadingskip = 9pt plus 2pt minus 2pt % Prevent underfull vbox error messages. \vbadness = 10000 % Don't be very finicky about underfull hboxes, either. \hbadness = 6666 % Following George Bush, get rid of widows and orphans. \widowpenalty=10000 \clubpenalty=10000 % Use TeX 3.0's \emergencystretch to help line breaking, but if we're % using an old version of TeX, don't do anything. We want the amount of % stretch added to depend on the line length, hence the dependence on % \hsize. We call this whenever the paper size is set. % \def\setemergencystretch{% \ifx\emergencystretch\thisisundefined % Allow us to assign to \emergencystretch anyway. \def\emergencystretch{\dimen0}% \else \emergencystretch = .15\hsize \fi } % Parameters in order: 1) textheight; 2) textwidth; % 3) voffset; 4) hoffset; 5) binding offset; 6) topskip; % 7) physical page height; 8) physical page width. % % We also call \setleading{\textleading}, so the caller should define % \textleading. The caller should also set \parskip. % \def\internalpagesizes#1#2#3#4#5#6#7#8{% \voffset = #3\relax \topskip = #6\relax \splittopskip = \topskip % \vsize = #1\relax \advance\vsize by \topskip \outervsize = \vsize \advance\outervsize by 2\topandbottommargin \pageheight = \vsize % \hsize = #2\relax \outerhsize = \hsize \advance\outerhsize by 0.5in \pagewidth = \hsize % \normaloffset = #4\relax \bindingoffset = #5\relax % \ifpdf \pdfpageheight #7\relax \pdfpagewidth #8\relax % if we don't reset these, they will remain at "1 true in" of % whatever layout pdftex was dumped with. \pdfhorigin = 1 true in \pdfvorigin = 1 true in \fi % \setleading{\textleading} % \parindent = \defaultparindent \setemergencystretch } % @letterpaper (the default). \def\letterpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt \textleading = 13.2pt % % If page is nothing but text, make it come out even. \internalpagesizes{607.2pt}{6in}% that's 46 lines {\voffset}{.25in}% {\bindingoffset}{36pt}% {11in}{8.5in}% }} % Use @smallbook to reset parameters for 7x9.25 trim size. \def\smallbook{{\globaldefs = 1 \parskip = 2pt plus 1pt \textleading = 12pt % \internalpagesizes{7.5in}{5in}% {-.2in}{0in}% {\bindingoffset}{16pt}% {9.25in}{7in}% % \lispnarrowing = 0.3in \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = .5cm }} % Use @smallerbook to reset parameters for 6x9 trim size. % (Just testing, parameters still in flux.) \def\smallerbook{{\globaldefs = 1 \parskip = 1.5pt plus 1pt \textleading = 12pt % \internalpagesizes{7.4in}{4.8in}% {-.2in}{-.4in}% {0pt}{14pt}% {9in}{6in}% % \lispnarrowing = 0.25in \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = .4cm }} % Use @afourpaper to print on European A4 paper. \def\afourpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt \textleading = 13.2pt % % Double-side printing via postscript on Laserjet 4050 % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. % To change the settings for a different printer or situation, adjust % \normaloffset until the front-side and back-side texts align. Then % do the same for \bindingoffset. You can set these for testing in % your texinfo source file like this: % @tex % \global\normaloffset = -6mm % \global\bindingoffset = 10mm % @end tex \internalpagesizes{673.2pt}{160mm}% that's 51 lines {\voffset}{\hoffset}% {\bindingoffset}{44pt}% {297mm}{210mm}% % \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = 5mm }} % Use @afivepaper to print on European A5 paper. % From romildo@urano.iceb.ufop.br, 2 July 2000. % He also recommends making @example and @lisp be small. \def\afivepaper{{\globaldefs = 1 \parskip = 2pt plus 1pt minus 0.1pt \textleading = 12.5pt % \internalpagesizes{160mm}{120mm}% {\voffset}{\hoffset}% {\bindingoffset}{8pt}% {210mm}{148mm}% % \lispnarrowing = 0.2in \tolerance = 800 \hfuzz = 1.2pt \contentsrightmargin = 0pt \defbodyindent = 2mm \tableindent = 12mm }} % A specific text layout, 24x15cm overall, intended for A4 paper. \def\afourlatex{{\globaldefs = 1 \afourpaper \internalpagesizes{237mm}{150mm}% {\voffset}{4.6mm}% {\bindingoffset}{7mm}% {297mm}{210mm}% % % Must explicitly reset to 0 because we call \afourpaper. \globaldefs = 0 }} % Use @afourwide to print on A4 paper in landscape format. \def\afourwide{{\globaldefs = 1 \afourpaper \internalpagesizes{241mm}{165mm}% {\voffset}{-2.95mm}% {\bindingoffset}{7mm}% {297mm}{210mm}% \globaldefs = 0 }} % @pagesizes TEXTHEIGHT[,TEXTWIDTH] % Perhaps we should allow setting the margins, \topskip, \parskip, % and/or leading, also. Or perhaps we should compute them somehow. % \parseargdef\pagesizes{\pagesizesyyy #1,,\finish} \def\pagesizesyyy#1,#2,#3\finish{{% \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi \globaldefs = 1 % \parskip = 3pt plus 2pt minus 1pt \setleading{\textleading}% % \dimen0 = #1\relax \advance\dimen0 by \voffset % \dimen2 = \hsize \advance\dimen2 by \normaloffset % \internalpagesizes{#1}{\hsize}% {\voffset}{\normaloffset}% {\bindingoffset}{44pt}% {\dimen0}{\dimen2}% }} % Set default to letter. % \letterpaper \message{and turning on texinfo input format.} \def^^L{\par} % remove \outer, so ^L can appear in an @comment % DEL is a comment character, in case @c does not suffice. \catcode`\^^? = 14 % Define macros to output various characters with catcode for normal text. \catcode`\"=\other \def\normaldoublequote{"} \catcode`\$=\other \def\normaldollar{$}%$ font-lock fix \catcode`\+=\other \def\normalplus{+} \catcode`\<=\other \def\normalless{<} \catcode`\>=\other \def\normalgreater{>} \catcode`\^=\other \def\normalcaret{^} \catcode`\_=\other \def\normalunderscore{_} \catcode`\|=\other \def\normalverticalbar{|} \catcode`\~=\other \def\normaltilde{~} % This macro is used to make a character print one way in \tt % (where it can probably be output as-is), and another way in other fonts, % where something hairier probably needs to be done. % % #1 is what to print if we are indeed using \tt; #2 is what to print % otherwise. Since all the Computer Modern typewriter fonts have zero % interword stretch (and shrink), and it is reasonable to expect all % typewriter fonts to have this, we can check that font parameter. % \def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi} % Same as above, but check for italic font. Actually this also catches % non-italic slanted fonts since it is impossible to distinguish them from % italic fonts. But since this is only used by $ and it uses \sl anyway % this is not a problem. \def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi} % Turn off all special characters except @ % (and those which the user can use as if they were ordinary). % Most of these we simply print from the \tt font, but for some, we can % use math or other variants that look better in normal text. \catcode`\"=\active \def\activedoublequote{{\tt\char34}} \let"=\activedoublequote \catcode`\~=\active \def~{{\tt\char126}} \chardef\hat=`\^ \catcode`\^=\active \def^{{\tt \hat}} \catcode`\_=\active \def_{\ifusingtt\normalunderscore\_} \let\realunder=_ % Subroutine for the previous macro. \def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } \catcode`\|=\active \def|{{\tt\char124}} \chardef \less=`\< \catcode`\<=\active \def<{{\tt \less}} \chardef \gtr=`\> \catcode`\>=\active \def>{{\tt \gtr}} \catcode`\+=\active \def+{{\tt \char 43}} \catcode`\$=\active \def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix % If a .fmt file is being used, characters that might appear in a file % name cannot be active until we have parsed the command line. % So turn them off again, and have \everyjob (or @setfilename) turn them on. % \otherifyactive is called near the end of this file. \def\otherifyactive{\catcode`+=\other \catcode`\_=\other} % Used sometimes to turn off (effectively) the active characters even after % parsing them. \def\turnoffactive{% \normalturnoffactive \otherbackslash } \catcode`\@=0 % \backslashcurfont outputs one backslash character in current font, % as in \char`\\. \global\chardef\backslashcurfont=`\\ \global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work % \realbackslash is an actual character `\' with catcode other, and % \doublebackslash is two of them (for the pdf outlines). {\catcode`\\=\other @gdef@realbackslash{\} @gdef@doublebackslash{\\}} % In texinfo, backslash is an active character; it prints the backslash % in fixed width font. \catcode`\\=\active % @ for escape char from now on. % The story here is that in math mode, the \char of \backslashcurfont % ends up printing the roman \ from the math symbol font (because \char % in math mode uses the \mathcode, and plain.tex sets % \mathcode`\\="026E). It seems better for @backslashchar{} to always % print a typewriter backslash, hence we use an explicit \mathchar, % which is the decimal equivalent of "715c (class 7, e.g., use \fam; % ignored family value; char position "5C). We can't use " for the % usual hex value because it has already been made active. @def@normalbackslash{{@tt @ifmmode @mathchar29020 @else @backslashcurfont @fi}} @let@backslashchar = @normalbackslash % @backslashchar{} is for user documents. % On startup, @fixbackslash assigns: % @let \ = @normalbackslash % \rawbackslash defines an active \ to do \backslashcurfont. % \otherbackslash defines an active \ to be a literal `\' character with % catcode other. We switch back and forth between these. @gdef@rawbackslash{@let\=@backslashcurfont} @gdef@otherbackslash{@let\=@realbackslash} % Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of % the literal character `\'. % @def@normalturnoffactive{% @let"=@normaldoublequote @let$=@normaldollar %$ font-lock fix @let+=@normalplus @let<=@normalless @let>=@normalgreater @let\=@normalbackslash @let^=@normalcaret @let_=@normalunderscore @let|=@normalverticalbar @let~=@normaltilde @markupsetuplqdefault @markupsetuprqdefault @unsepspaces } % Make _ and + \other characters, temporarily. % This is canceled by @fixbackslash. @otherifyactive % If a .fmt file is being used, we don't want the `\input texinfo' to show up. % That is what \eatinput is for; after that, the `\' should revert to printing % a backslash. % @gdef@eatinput input texinfo{@fixbackslash} @global@let\ = @eatinput % On the other hand, perhaps the file did not have a `\input texinfo'. Then % the first `\' in the file would cause an error. This macro tries to fix % that, assuming it is called before the first `\' could plausibly occur. % Also turn back on active characters that might appear in the input % file name, in case not using a pre-dumped format. % @gdef@fixbackslash{% @ifx\@eatinput @let\ = @normalbackslash @fi @catcode`+=@active @catcode`@_=@active } % Say @foo, not \foo, in error messages. @escapechar = `@@ % These (along with & and #) are made active for url-breaking, so need % active definitions as the normal characters. @def@normaldot{.} @def@normalquest{?} @def@normalslash{/} % These look ok in all fonts, so just make them not special. % @hashchar{} gets its own user-level command, because of #line. @catcode`@& = @other @def@normalamp{&} @catcode`@# = @other @def@normalhash{#} @catcode`@% = @other @def@normalpercent{%} @let @hashchar = @normalhash @c Finally, make ` and ' active, so that txicodequoteundirected and @c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we @c don't make ` and ' active, @code will not get them as active chars. @c Do this last of all since we use ` in the previous @catcode assignments. @catcode`@'=@active @catcode`@`=@active @markupsetuplqdefault @markupsetuprqdefault @c Local variables: @c eval: (add-hook 'write-file-hooks 'time-stamp) @c page-delimiter: "^\\\\message" @c time-stamp-start: "def\\\\texinfoversion{" @c time-stamp-format: "%:y-%02m-%02d.%02H" @c time-stamp-end: "}" @c End: @c vim:sw=2: @ignore arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115 @end ignore ccrtp-2.0.6/autoconf/config.sub0000755000175000017500000010532712153104761013364 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-04-18' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze) basic_machine=microblaze-xilinx ;; mingw32) basic_machine=i386-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i386-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sh5el) basic_machine=sh5le-unknown ;; sh64) basic_machine=sh64-unknown ;; sparclite-wrs | simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; strongarm-* | thumb-*) basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tile*) basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) basic_machine=mipstx39-unknown ;; tx39el) basic_machine=mipstx39el-unknown ;; toad1) basic_machine=pdp10-xkl os=-tops20 ;; tower | tower-32) basic_machine=m68k-ncr ;; tpf) basic_machine=s390x-ibm os=-tpf ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; v810 | necv810) basic_machine=v810-nec os=-none ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vpp*|vx|vx-*) basic_machine=f301-fujitsu ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; z80-*-coff) basic_machine=z80-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the header file. */ #undef HAVE_DL_H /* Define to 1 if you have the header file. */ #undef HAVE_GCRYPT_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `nana' library (-lnana). */ #undef HAVE_LIBNANA /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_AES_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_BN_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_SHA_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* SRTP support */ #undef SRTP_SUPPORT /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline #endif /* Define to the equivalent of the C99 'restrict' keyword, or to nothing if this is not supported. Do not define if restrict is supported directly. */ #undef restrict /* Work around a bug in Sun C++: it does not support _Restrict or __restrict__, even though the corresponding Sun C compiler ends up with "#define restrict _Restrict" or "#define restrict __restrict__" in the previous line. Perhaps some future version of Sun C++ will work with restrict; if so, hopefully it defines __RESTRICT like Sun C does. */ #if defined __SUNPRO_CC && !defined __RESTRICT # define _Restrict # define __restrict__ #endif /* Define to empty if the keyword `volatile' does not work. Warning: valid code using `volatile' can become incorrect without. Disable with care. */ #undef volatile