ctorrent-1.3.4.dnh3.3.2/AUTHORS0000644000000000000000000000002511227344303015721 0ustar00usergroup00000000000000YuHong bsdi@sina.com ctorrent-1.3.4.dnh3.3.2/COPYING0000644000000000000000000004311011227344303015706 0ustar00usergroup00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 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. 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. 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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. 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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) 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 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) year 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. ctorrent-1.3.4.dnh3.3.2/ChangeLog0000644000000000000000000015107011227344303016432 0ustar00usergroup00000000000000 Enhanced CTorrent Change Log _________________________________________________________________ Changes for "dnh3.3.2" Release * [1954631] Fixed incorrect ordering of dictionary keys in created torrent metainfo file. * Remove unneeded buffer allocation in bencode_buf. * Insure appropriate file can be closed if needed. * Fix double-cancel in StopDownload. * Incorrectly set not_interested state in RequestPiece when it should set m_standby, as there are still outstanding requests. * Corrected a problem in choke oscillation handling. * Avoid re-requesting the most recently requested piece from a peer, to reduce choke oscillation impact. * Set multpeer on choke oscillation, to accept the affected piece. * Don't print file completion details with -c if no files existed. * Set errno in low-level btfiles functions to facilitate better error messages. * Set ENOMEM on alloc failure in truncate routine * Corrected some CTCS error handling, which could produce an odd/incorrect message about sending the torrent. * Fix CTCS/Console recursion loop triggered by a network problem, eventually blowing out the stack. * Remove the .bf file when -c is used. This prevents an old bitfield state hanging around if the torrent is found to be complete. * Indicate when a file is being created, even when trying to use sparse files. * Don't print file completion details when no data is present. * Buffer was not freed when using -a (memory waste). * Additional "now" time updates to correct timing flaws. Too many disk accesses could be performed because the time was not being updated between operations. * Fix request URL encoding for non-ASCII locales. * Cache management bug due to expiration during I/O. This could manifest as a bad hash check or incomplete piece after download. * Correction in cache aging of a piece. * Console is unresponsive when downloading slowly (IsIdle problem). _________________________________________________________________ Changes for "dnh3.3.1" Release Bug Fixes * [1941536] Fix restoration of terminal mode at exit. * Handle errors from select(). (Could cause high CPU utilization and unresponsiveness.) * [1946210] Fix incorrect string allocation sizes. (Could cause memory corruption or double-free errors.) * Delete file I/O buffers at exit. * Fix build warning from bitfield.cpp. _________________________________________________________________ Changes for "dnh3.3" Release Features and Performance * Faster restart: Download of pieces that are known to be missing can begin immediately. * Added a workaround for the current lack of announce-list (multiple trackers) support. If the torrent file contains an announce-list, up to 9 alternate announce URLs (trackers) will be listed in the torrent information. The -u option can be used to specify the announce URL, either by number from the list of alternates or directly as a string. * Allow -X in conjunction with -c (for automated completion check). * SO_REUSEADDR is now used when -p is specified, so that the client can restart immediately on the given port. * Daemon mode (-d) now closes the standard file descriptors and reopens them to /dev/null. This complies with most people's expectations of a daemon. If -d is specified twice, standard I/O descriptors which are not a terminal (i.e. which have been redirected) are kept intact as was the previous behavior. This allows a fully detached process from which output can be captured. * Add tracker update & restart actions (from CTCS) to operator menu. * When creating a torrent, the following new options are available: -p Private (disable peer exchange) -c comment Include a comment/description Note that -t must now be the first option given when creating a torrent. * A new option -I allows specifying the public IP address which the tracker should distribute to peers. * Enabled changing CTCS server from CTCS. * When changing bandwidth limits from the console, remind the user that CTCS may override changes. * It is now possible to stop using CTCS from the console. Use the "S" option and give a single colon (:) as the input. * The "private", "comment", and "created by" fields are now recognized and printed (if present) when the torrent meta info is shown. * Improved on-screen advisement regarding bit field file at startup. * Tracker reporting data has been added to the detailed status, as well as failed hashes, duplicate blocks, and unwanted blocks counts. * CPU usage is printed to Verbose output when Detailed Status is requested from operator menu. * Input is now turned off if not needed. This makes things behave better if, for example, -x is used and the output piped to less. * Attempt to avoid wrapping/scrolling when printing the status line on a narrow terminal/window. * A couple of optimizations analyzing peer bitfields. * Bitfield operation optimizations. * Efficiency improvement in PendingQueue functions. * Improved GetDownloads efficiency. * Reduced memory usage when seeding, download is stalled, or using -x. * Rate measurement calculations are now cached and recomputed only when necessary. * Improved methods of determining local IP address. * The "ip" field is sent in the tracker address if the public IP address was determined. * Reduction of download duplication and improvement of tracker reporting + Improved piece reassignment. o Reassign only if proposer's queue is empty. o Consider any piece in the slower peer's queue. o Improve download rate comparison method. o Allow reassignment in endgame mode. + Improved data counting and reporting. + Hash check failure handling improvement o If hash check fails, don't re-request the same piece from that peer. o Increased weight of hash failure. o Reduced peer error threshold. + Improved randomness of CopyShuffle. + Reduce duplicate data receipt o Avoid duplication to high-latency/slow peers. o When duplicating or reassigning requests, move immediate incoming slices to the end of the queue. + Accept cancelled data from a peer if still needed. + Duplicate request management o Spread request duplication more evenly among outstanding pieces. o Limit duplicate requests for a piece to the number of outstanding slices. o Track the number of pieces requested as duplicates. o Track pieces for which slices have been requested or received from multiple peers. + Detect a duplication inconsistency in Pending. + Improve choke oscillation detection and handling. + HealthCheck improvement to reduce redundant receipts from high latency peers. * Support systems that do not provide random(3). Bug Fixes * Completed torrent could be reported as incomplete when restarting. This was the reported/observed symptom; potentially it could also be seen as failed hash-check of downloaded pieces or uploading of bad data (failed hash-check at a remote peer). * Fixed crash which could happen when sending data without an upload limit. * Surplus bits in the last byte of a bitfield could be set. * Don't say "stalled" if still checking and nothing to download yet. * Don't allow the -n or -X options (from CTCS and console) if download is already complete. * Correct handling if -s is used with a single-file torrent and a directory of the specified name exists. * Exit with error if tracker setup fails. * Don't print an error when a known but inactive configuration option is received from CTCS. * Check for bad/invalid input from CTCS. * Fixed a bug that could corrupt (loop) the peer list, resulting in a hard-loop (nonresponsiveness). * Exit (with error) after discovering that a file is not the correct size at startup. * Fixed a bug with input prompting (affects CTCS password entry). * [1886549] Fix torrent creation with files over 4GB. * Improved CTCS status updating, and accuracy for end-of-download and terminating cases. * Upload/download now stops upon initiating Quit. * Improved cache allocation when download stalls or unstalls. * [1863204] Skip I/O for zero-length files. * Condition reversal in counting hash-check error against a peer. Code Cleanup * Removed declaration of unused variable cfg_max_bandwidth. * Rearrangement of some bitfield functions & declarations. * Consolidate peer error counting and handling into PeerError. _________________________________________________________________ Changes for "dnh3.2" Release Features and Performance * Various code optimizations in cache searching and management. * Added proactive flushing of the oldest cache entry during idle time when the cache is full. * Flush the cache in piece order if/when the entire cache is flushed. * Prefetch uncached slices when a downloading piece is nearly complete. * Try to reduce thrashing if a small cache is specified. * Flushing completed pieces to disk is now given a higher priority than hash-checking existing pieces. * An informational warning is given if any filenames contain non-printable characters and the -T option is not used. * Added more methods of detecting connections from the client to itself. * If the tracker doesn't supply a peer count, count the peers it gives for connection instead. (This can be off by 1 if you're using NAT and a lame tracker gives you yourself as a peer, but you can't connect.) * Don't let initial hash-checking prevent checking tracker, ctcs, and console. * Improved efficiency of peer status/prefetch checking. * A 16K (default slice size) file I/O buffer is now used to potentially improve read/write performance. * Added support for systems without the strncasecmp() library function. Bug Fixes * Fixed a crash at program exit. * Fixed an error when reading an empty file. * Fixed a potential cache corruption issue. * Bad piece data wasn't always removed from cache. * Updated builtin SHA1 code to include a fix or two and take advantage of autoconf (including endianness; cross-compilers take note). * Improved/corrected the method of determining the local IP address. * Corrected the comparison of local and peer IP address. * Corrected peer connection failure detection (could cause peer disconnects). * Corrected a potential problem in the peer handshake handling code. * Corrected a problem that could prevent or delay receiving the peer's bitfield. * Fixed a problem with handling of tracker response data. Now separate send and receive buffers are used for tracker communication. * Corrected end-of-header check in httpencode.cpp (tracker response). * Various timing-related fixes to improve maximum transfer rates. * Avoid running too many idle-time tasks at a time. * Improved the upload timing when not using cache. * Adjusted the CTCS seed time (-e) option processing to make the result more intuitive (it could be perceived as being an hour off). * Fixed a problem where the torrent metainfo would not be shown if input was redirected. Also added input EOF/error detection for cases not previously covered. * Fix console input on Solaris (and potentially some other platforms). Code Cleanup * Additional verbose output for cache management. * Moved strnstr() from httpencode.cpp to compat.c. * Improve handling of tracker contact intervals. * Optimized PeekMessage function. * Removed unnecessary headers from downloader.cpp. _________________________________________________________________ Changes for "dnh3.1" Release Features and Performance * Cached completed pieces are flushed to disk during idle time rather than immediately. * When the cache is full, a single entry is now flushed to make room for new data rather than flushing the entire cache. * Management of open files has been enabled in order to reduce the number of active file descriptors needed for large torrents. Detection and reporting of related errors is also improved. * Files are now opened in read-only mode when seeding. * The client will not connect to the tracker when quitting if it has not successfully made contact before. * A new command line option "-T" substitutes a hex representation of any non-printable characters in filenames; an underscore will be inserted between any such sequences and regular text. This applies to printing the name of the file as well as accessing it on disk, so you need to use it (or not) consistently across multiple runs of the same torrent. It does not apply to names specified with the -s option. * A new command line option "-X" specifies a "user exit" command to run upon download completion. The string parameter will be passed to the sh shell for execution; see the system() man page for further clarification. You will need to quote this string on the command line in order to identify it as a single parameter and prevent special characters from being interpreted. Some substitution sequences beginning with ampersand (&) are available; note that it's a good idea to quote the sequence within the string so that the substituted names will be quoted in the final command. + "&d" will be replaced by the name of the directory or filename that contains the downloaded data. + "&t" will be replaced by the name of the torrent metainfo file (with path, if it was specified that way to ctorrent). + "&w" will be replaced by the client's working directory. Note that the fork() and system() system/library functions are used for best portability. As a result, significant extra memory may be used while the specified command is running. Be advised to use this feature as a trigger mechanism to update a file or run a short script that kicks off a background task rather than for executing a longer task directly. * A new command line option "-d" specifies "daemon mode". The client will detach itself from the terminal session and become a background process. This option is also available from the operator menu. * Prefetch and total sent counts are reported with the cache stats in verbose mode. Note that these stats are all close approximations based on the default slice size of 16KB. * The -n option now accepts a list of files to download in priority order. Groups of simultaneous files can be specified, and "resuming normal behavior" after completion is now optional (and not the default). See the User's Guide for more detailed information. * The partial completion indicator ("P:") now shows percentages rather than number of pieces when using the new status line format. The download time remaining for the current set is also shown. * The CTCS protocol version has been incremented. Please download the new version of CTCS to take advantage of new features. This provides support for additional file details and prioritization, and for auto-configuration of available client configuration options in CTCS. * Output channels can now be changed via CTCS. * The input channel can now be redirected from the operator menu and CTCS. * Added "off" as an additional target for input and output channels. * Added support for systems that do not have snprintf() and/or vsnprintf(). Bug Fixes * Fixed a missing maxfd variable initialization in the main loop, which could cause high CPU utilization. (maxfd patch) * Detect if the clock_gettime library function is missing and emulate it. This facilitates building on Mac OSX. (clock_gettime patch) * Avoid putting the "key" field into the tracker request twice. * Tracker redirection is now handled correctly and works. * Fixed problems with detection and reporting of tracker connection errors. * Error reading from disk with -c option is now reported. * Fixed a looping problem when the torrent begins with a zero-length file or a file of exactly one piece. * Fixed the way variable argument lists are handled in the console code, which could cause crashes. (console patch) * Fixed a problem flushing downloaded data to disk in certain situations. (flush patch) * Remove sockets from the list to check for peers disconnected during processing. * Updated fdset handling in peerlist, tracker, and ctcs components to set appropriate states in all cases. * Fixed a potential crash when receiving a message from a peer (after processing it). (msg patch) * Fixed an issue with rate measurement on NSLU2 devices. This was due to an apparent compiler bug (unconfirmed but raised to developers). There are other areas where the same effect can show itself (with the -E seed ratio option for instance) that cannot be so easily worked around. (bwrate patch) * Fixed an issue with null/redirected standard input. * If the time changes backward by a second, it is disregarded. This is not really a program bug fix, but a workaround for system clock glitches (observed on an NSLU2). Code Cleanup * Tracker request construction is somewhat consolidated and simplified. * Split the FillFDSet function into two functions of distinct roles and more manageable size. _________________________________________________________________ Changes for "dnh3" Release Important Stuff to Know * You should always specify an upload bandwidth limit. With the most recent changes in the program, this "option" is not just a limit to stay under, but an advisement to the client as well. Enhanced CTorrent now tunes its upload performance based on the limit. Without a limit, the client has no idea how much bandwidth your line can support and so cannot perform this tuning. It is now possible to achieve better upload rates with a limit than without. Due to the tit-for-tat nature of bittorrent, this can also indirectly increase your download performance. If you just want the client to use as much upload bandwidth as possible, then choose a limit that is 10% or so less than the available upload capacity of your line. ("Available" means not typically in use by other applications.) Note that limits are specified in KB/s (kilobytes per second), where 1KB = 1024 bytes (8192 bits). Your ISP likely measures in "kilobits" (Kb, where 1Kb = 1000 bits or 125 bytes) or "megabits" (1Mb = 1000000 bits or 122KB). Some of that [to the tune of 20% in some cases] is used by the line protocol and thus not available to you at all. * The CTCS protocol version has been incremented. If you've written an application that interfaces with CTorrent via the CTCS protocol, it should continue to work if you've used protocol level negotiation (PROTOCOL message). The new changes have been documented on the CTCS Protocol page. Features and Performance * Fast Restart + "Background" initial hash verification: Downloading and uploading will begin while pieces are being verified. Status will be updated as pieces are checked, and HAVE messages are sent as valid pieces are found. + A bitfield save file is always used. At startup, if a file of the same name as the torrent file with ".bf" appended is present, it is read to initialize the piece bitfield. The file is then deleted, and rewritten upon exit if downloading has not completed. + Pieces that are indicated as already present are verified by hash check (in the background). If the bitfield file is not found then all pieces are checked, unless this is the first time the torrent has been started. + The -b option can be used to specify a different bitfield filename. Difference: The option is generally not needed since it is now "on" by default. It now does not prevent hash checking when used. + The -f option now forces accuracy of the initial bitfield. Stated differently, it disables the initial hash checking of pieces on startup. This option should [still] be used with caution and is generally not recommended since background hash checking is now used. If the bitfield file is found at startup, it is used without verification; otherwise, seed mode is forced (without hash verification). Difference: The effect is generalized to apply to incomplete torrents (when a bitfield file is found) as well as the original behavior of forcing seed mode (without a bitfield file). + To emulate the original initial hash check behavior (avoiding background checking), use the -c and -f options together. * Cache Management + Automatic cache size: The -C option now specifies the maximum cache size, with the default remaining 16MB. The actual size used is determined by the download and upload rates and timings. + The maximum cache size that can be specified is no longer limited. The maximum size that will be used in any case is the size of the torrent. + Slices to be uploaded are prefetched into the cache during idle time. This can shave a few milliseconds off the time to respond to an upload request, and can also help performance during periods of heavy disk activity. The effectiveness may be reduced slightly when heavy upload limiting is used (as uploading patterns become less predictable), but it is also less critical then. + A more efficient cache aging mechanism has been added. This reduces CPU utilization and helps increase the accuracy of cache size management. + The cache is now indexed by piece to speed up searches and insertion. + Downloaded pieces are flushed to disk upon completion of each piece. * Unchoke Tuning + The number of unchoked peers will be increased automatically when the upload bandwidth limit is not being reached and decreased when there is much contention for upload bandwidth. This is done to maximize upload bandwidth utilization while also maximizing the upload rate to each unchoked peer. + Unchoke intervals are extended when necessary in order to insure that each unchoked peer has at least a chance of an opportunity to download. + You must specify an upload bandwidth limit in order to use these features. Without a limit, the client does not know the line capacity or available bandwidth. In that case TCP congestion control (the network protocol) limits the bandwidth, so the number of active upload streams (unchokes) is kept low in order to help it work properly when the line reaches its capacity. * Console I/O Management This is really a mostly-transparent enabler for other new current and future features. + Several configuration commands are available while running. Note that this requires termios, termio, or sgtty support to work properly; otherwise try pressing Enter after the key. It should be very rare for a system to not have one of these facilities. o Press "h" or "?" for a list of active keys. Inactive keys will immediately update the status line. o Some commands prompt for additional input. The client continues to run while waiting, though the status line is not updated. An exception is the CTCS password; just try to be relatively quick about it. o Commands shown with "+/-" use the "+" and "-" keys to increment or decrement the value. After pressing the command key, press "+" and/or "-" repeatedly to adjust the value. After five presses, the increment is increased; press the command key again if you wish to reset it. + An Operator Menu allows changing output destinations, choosing an alternate status line format, and viewing detailed status information. + Presentation of messages between status line updates is cleaner. + A timestamp (raw clock value) is printed on "verbose" output. * Options + Added User-Agent header to the tracker request. A new option (-A) can be used to change the string that is sent (default is shown on the help screen). This feature should help with trackers that try to restrict use to recognized client programs. You should only need to use the -A option if the tracker has been set up to allow only specific clients (almost certainly out of admin ignorance in one way or another). + The -p option now specifies the highest port number to use. The client will count down from that point looking for an available port. This mimics the default behavior of counting down from port 2706. + A new command line option ("-a") can be used to preallocate the files to download. Use this if you are concerned about file fragmentation or out-of-order block storage. This option is only effective when initially creating the files and will cause startup to take longer as each entire file is written in order to reserve physical disk space. Note that all files will be created and preallocated even if the "-n" option is used to download a particular file. + Added some option-specific error messages to be displayed instead of the help/usage screen when invalid values are given on the command line. * Peer Handling + Peer statistics are maintained if a peer is dropped and later reconnects. This can influence unchoking, and the data is visible with CTCS. + The client is more discerning about choosing to reconnect to a lost peer. + Peer download rates (the rate at which we download from each peer) are now measured more precisely. This should produce more accurate unchoking decisions while downloading. + Inactive peers (who are interested but don't request any data while unchoked) are disconnected when seeding. + A newly-interested peer will be unchoked immediately if an opening is available. + Latency measurement is used to avoid counting errors that are likely due to transmission delays. To help with this, latency is now also measured when not downloading from a peer. The error threshold (tolerance) has also been reduced. + Don't count piece hash failures during Initial & Endgame modes, since it is likely that the component slices of a piece came from multiple peers. * Other performance improvements + Bandwidth limiting is now based on current (most recent) utilization rather than the past 20-second average. This should produce smoother loading of the line since we don't burst above the limit to make up for a recent slow period. Note that average values are still shown in the status line (and CTCS) since that is a better representation of the overall transfer rates. + Data transmission and receiving buffers are now much smaller but are still increased as necessary (and now decreased when appropriate as well). + Some allowance has been made for time to appear to move backwards, which could happen due to a system glitch, hardware problem, or clock adjustment. This has not been extensively tested (and probably won't be) but hadn't been reported as a problem either. + Timings related to bandwidth management and data transfer have been significantly reworked to allow more precise and accurate control. + Unneeded and bad data is no longer cached and does not cause additional piece completion checks. + Added additional fdset tracking to reduce processing in the checking and handling loops. + Other code optimizations not specifically listed here. * The Pause functionality is now more useful; it will now stop transferring torrent data almost immediately but still interact with peers and the tracker. Bug Fixes * Fixed a potential crash when reassigning a piece to a faster peer. While a serious bug, it would likely only show itself on memory-contrained systems. * Fixed reporting of file completion when using -n, and also with CTCS. * Ensure that the "completed" event is sent to the tracker during the next attempt if contacting the tracker is unsuccessful. * The amount of data transferred since the last update, shown in the status line, would go berzerk upon becoming a seeder. Some rate handling code has been cleaned up and tweaked to fix this. * A piece could be incorrectly reported as complete if an error occurred reading the piece data for hash verification. Code Cleanup * Moved version number into a new m4 file to make patch distribution easier. * Changed method of locating and using SSL library and header files for SHA1 support. See the INSTALLING file for information about how to override this or give a hint to configure about where to find the files. * Added autoconf checks for integer types that may not be defined on some systems. * The funny business with cfg_max_slice_size is eliminated since request slice size is based on user option rather than a fixed request queue size. * Moved bandwidth limiting functions from peer.* to peerlist.* * Relocated and rewrote get_nl and set_nl. * Replaced hard-coded message component length values with constants. * Formatting adjustments. _________________________________________________________________ Changes for "dnh2.2" Release Code Fixes * Fixed checking of seed ratio (-E option) to allow fractional values. * Fixed CTCS interaction when a limit was not specified on the command line. * Fixed peer reconnect determination. * Fixed a request-queue handling error that could cause a crash upon becoming a seeder. * Fixed creation of metainfo (torrent) file with multiple subdirectories. * Torrent metainfo is now only printed twice if hash-checking is performed. Operational Enhancements * Errors flushing the cache are now handled more gracefully. (This happens when the disk is full.) * Added additional seeder detection criteria. * Cleaned up parts of the help screen. _________________________________________________________________ Changes for "dnh2.1" Release Code Fixes * Fixed interaction with CTCS under Linux, resulting in "Operation now in progress" errors. * Fixed a flaw in optimistic unchoke logic implementation. * Fixed problem with return value in _btf_ftruncate() related to my update for the vfat issue [btfiles patch]. * Fixed handling of 301/302 redirect response from the tracker. Operational Enhancements * Attempt to reconnect to successful peers that disconnect unexpectedly, if possible. * Changed the unchoke choice algorithm when seeding. The new method is based on page 4 of the paper "Rarest First and Choke Algorithms Are Enough" by Arnaud Legout et al. An exception is that CTorrent chooses new unchokes using its original method (based on wait time) rather than randomly. See [1]the paper for details. _________________________________________________________________ Changes for "dnh2" Release Patches * The following patches or their functionality are incorporated: 1380164 [dnh1.2] 1357832 [invert] (included in dnh1.2) 1352866 [dnh1.1] 1266767 [passkey2] 1239547 [dnh1] 1170457 [standalone-sha1] Added as a fallback case in configure if OpenSSL is not found. To force it to be used, define USE_STANDALONE_SHA1 in config.h (after running configure). 1164454 [ip] 1119610 [vfat] This bug appears to be linux-specific; I've tried to handle it in a more general way that may apply to similar situations on other platforms and filesystems, but I have limited capability to test this. 1067196 [lfs] This is the large-file support that many have asked for. Optimization * Use fewer calls to random() by shifting the previously unused bits. * Time() calls have been greatly reduced; a global timestamp variable "now" is set once per main loop iteration and referenced in functions that need a timestamp (except the caching I/O routines which were left alone). * Overall current bandwidth rates are now computed only once per main loop and referenced in any routines that evaluate or control bandwidth. * Avoid flushing peer output buffers except in SendModule. This allows for some consolidation of messages to reduce network overhead. Code Fixes * Fixed use of cfg_req_queue_length to be the actual queue size (queue was half of this value). * Fixed: "peer is" verbose output could fubar the terminal. * Formatting: Replaced indentation tabs with spaces for consistency. Operational Enhancements * Improved piece selection methods to include rarity as a factor. This is not strictly "rarest-first", as we do not make a comprehensive effort to find the "rarest" piece or rank pieces by rarity. Rather, we use a more efficient compromise and try to find the set of pieces that have "trade value" (another peer needs them) and make a random choice from that set. Here is the current preference order used in each mode: Trade Value is defined as: 1. Piece that only this peer has (not considering other seeders), that a peer in which we're interested needs. 2. Piece that not every peer in which we're interested has. 3. Piece that only this peer has (not considering other seeders). 4. Piece that not every peer has. Normal Mode 1. Piece we tried to get from another peer but stopped due to choking or lost connection. (We have part of the piece already.) 2. Piece most recently acquired by the peer (possibly/probably rare). 3. Piece with trade value. 4. Any piece not yet requested. Initial-piece Mode 1. Piece with trade value which is already in progress. 2. Piece with trade value that more than one peer has. 3. Piece with trade value. 4. Any piece not yet requested. Endgame Mode 1. Piece with trade value which is already in progress, of which we have the least amount. 2. Piece already in progress of which we have the least amount. * Advanced request queueing system. + Instead of requesting all of the slices for a piece at one time, we now measure latency to the peer and send requests based on how long it takes the data to arrive. This avoids wasting upload banwidth by having too many outstanding requests: If we get choked or lose the connection, the extra requests were wasted; in initial or endgame modes, more requests would have to be cancelled when we completed the piece. + A new piece will be queued for download when there is space in the queue and we've requested the slices that have been queued already. We also don't wait for the current piece to complete before sending requests for a new piece. This helps to maintain a continuous flow of data in the download pipeline. + When duplicating a request in initial or endgame mode, slices that have already been requested are queued last. * Don't send HAVE messages to seeders (to save UL bandwidth). + Since we maintain interested state, and know the peer is a seeder, we'll do the right thing when we become a seeder. + Not sending HAVE to all peers (leechers) that already have the piece is a bad idea IMO. If everyone takes the same attitude, none of us will know when another becomes a seeder and connections will remain open/occupied. + We do send a HAVE to seeders upon completing our first piece so that we don't continue to appear empty. * Endgame strategy is used in get1file mode to complete the file. * Queue management: + Don't accept requests from choked peers. + Discard peer's reponse_q when we choke them. + Don't send cancels when we get choked (according to spec & discussions). + Don't put full piece queues in pending. + Move closing peer's request queue to pending instead of discarding it. * Prefer uploading to or downloading from a peer after we skip them due to bandwidth limiting. This is done via the g_next_up and g_defer_up global variables in peer.cpp (for UL; s/up/dn for the DL versions). The peerlist Sort() function and peer "click" variables have been removed since they are not needed with this feature. Options & Features * The -c option now reports file completion status. + As a side effect the metainfo details are printed twice. This allows you to view the torrent contents while pieces are being verified. + Total percentage completion is also added to the output. * "-E" option to seed to a specified UL:DL ratio. Seeding will stop when this ratio or the timeout (-e) is reached. If CTorrent starts as a seeder, the ratio is interpreted as UL:[torrent size]. * If "-e 0" is specified (explicitly) and -E is used, there will be no timeout; seeding will continue until the ratio is reached. * The "-m" option previously didn't do anything, and it isn't clear what it was originally going to do. Now the default value is 1, and CTorrent will try to maintain at least this many peers by contacting the tracker early if the peer count falls below this value. This feature was present in release dnh1 but the value was not changeable. Actually it seems likely that this was to be number of peers that the client would try to obtain (by initiating connections), as the "official" client does; this is mentioned as a note in the online specification. I don't really see the value in that though. That said, the option as implemented here should rarely be used. It might be useful only with torrents that have significantly more than max_peers total peers and use a long tracker update interval (such that you tend to drop a lot of peers betwen updates). * "-z" option to set the slice size (the unit of a request, i.e. the discrete amount of data that will be requested from a peer at one time). The slice size now defaults to 16K regardless of the piece length. Request queue size is computed and set based on the slice size, as it now affects only system resources (though not a lot) and not the way that requests are sent. * Add support for "key" and "trackerid" tracker interaction parameters. * Support/display tracker warning message * Now able to handle torrents with more than 255 files. * Support for [2]CTorrent Control Server, an application and protocol for monitoring and managing multiple Enhanced CTorrent clients. The "-S" option is used to connect to CTCS, as in "-S localhost:2780" if CTCS is listening at port 2780 on the local system. Appending a colon ("-S localhost:2780:") will prompt for a password to authenticate with CTCS. Peer Handling * Count immediate choke-unchoke (either order) as an error (two errors actually, since it's so wasteful). It may be that some clients do this to stimulate the peer when they think it hasn't responded to their last unchoke (due to high latency). It would be better for them to just repeat the unchoke rather than choke-unchoke, as by choking they will cause the peer to send the requests again. * Detect unresponsive peer connections and try to fix them or disconnect them. Basically, if a peer doesn't respond to our request in a reasonable time then we first assume that our request was lost in transmission; if it happens again then we assume the connection is unreliable. * Handle peers that suppress HAVE messages so we don't always think that they're empty (and thus give them preferential treatment for uploading). If we've sent the peer an amount of data equivalent to two pieces, assume that they now have at least one complete piece. _________________________________________________________________ Changes for "dnh1.2" Release These are just corrections to the previous release that I felt were necessary. Much more improvement is coming in the dnh2 release. Bug/code fixes * Bitfield::Invert patch [1357832 on sourceforge] described below. * Fixed "piece length too long" check to reflect the actual queue length used. * Accept 128K slice size for peer requests. * "Return" keyword in Random_init() removed due to potential compile error. * Modified longer-wait test in the optimistic unchoke routine to consider whether the peer is currently choked. _________________________________________________________________ Bitfield::Invert bug There is a bug in the Bitfield::Invert() function that affects the ctorrent-1.3.4 base code as well as releases dnh1 and dnh1.1. This can cause the application to fail (segmentation fault) or may affect downloading of all pieces of the torrent. A patch is available in the Download secion. _________________________________________________________________ Changes for "dnh1.1" Release These are just corrections to the previous release that I felt were necessary. Much more improvement is coming in the next release. Bug/code fixes * Peer count would increase on each tracker update if there were no seeders. * RequestQueue::CopyShuffle() changed to use a pointer argument. * Fixed some incorrectness in PendingQueue::Delete() and PendingQueue::DeleteSlice() which could cause a memory leak. * Fixed random-chance inversion bug in PeerList::UnChokeCheck() affecting choice for optimistic unchoking. Improvements * Move StopDLTimer() call from RequestPiece() to RequestCheck(), which could occasionally affect peer download rate measurement. * Most clients do not like a slice size of 128K even though it is the max allowed by the BT specification. Changed max slice size to 64K. Note that the maximum piece length is 2MB (2097152); if you need to download a torrent with a larger piece size you can change the value of cfg_req_queue_length in btconfig.h from 64 to 128. * Contact tracker immediately upon becoming (or starting as) a seeder. * Changed SendModule() to send only one slice at a time. This will help with fairly distributing upload bandwidth among the unchoked peers. * Changed default peer ID prefix to '-CD0101-', indicating CTorrent-dnh1.1 release. _________________________________________________________________ Changes for "dnh1" Release This is the first release. "dnh" identifies this patchset, and "1" indicates release version 1 of the patchset. Patches * Incorporates the following patches. The number is the Request ID from the [3]SourceForge patches page, which you can reference for the details of each patch. The name in brackets is the name of the patch file or a name I chose to refer to the patch. Some of these names are used below (in brackets) to describe a fix or change to a particular patch. 1042808 [getcwd] (incorporated in get1file patch) 1084776 [passkey] (incorporated in udlimit patch) 1109266 [align] 1109287 [tracker/tracker2] 1114197 [fmt] (incorporated in get1file patch) 1114364 [resetdl] 1116448 [get1file] 1118597 [crash] 1119467 [stall] 1119492 [rate] 1119497 [flush] 1119519 [opt] 1119689 [status] 1124342 [udlimit] Download performance * If a peer socket is ready for reading and writing, perform both. Previously the cases were exclusive, with preference given to reading. * Download requests are now made to peers when they are ready for writing (in addition to the existing event-driven cases). This fixes peer stalls when a request couldn't be sent in an event-triggered case due to bandwidth limiting or other circumstances. * Additional tests added so that the above request checking doesn't create hard loops. Bandwidth measurement/management * [rate] Bandwidth reporting is now not capped. Also, only the time used for the samples taken is used in the calculation rather than the maximum interval (this affects rate calculation for individual peers). * Additional upload and download bandwidth limit checks added so that bw management is more accurate. * Corrected condition inversion bug in Rate::StopTimer(), which affects peer rate calculations. Peer count * Request our max number of peers from the tracker each time rather than just taking the tracker's default, so we can try to fill up. * The tracker will be contacted early if all peers disconnect so that we can actively try to establish some more peer connections. To avoid hammering the tracker, we must have at least one peer for 15 seconds in order for this to be invoked. * Some clients use nonzero bytes in the "reserved" part of the handshake. Added code to ignore the reserved bytes if the rest of the handshake is as expected. This includes Azureus 2300 thru 2304 (latest) which gives 0x80 as the first reserved byte and BitComet which gives 0x6578 ("ex") as the first two bytes. * Update peer's timestamp on any message, not just keepalives. Any receipt of data from a peer now resets its timeout, preventing early disconnect. Parallel requests * Initial-piece and endgame cases have been improved so that pieces will be requested from multiple peers. Cancels are sent as slices (subpieces) are received. This endgame strategy is described in the BitTorrent online spec. The startup strategy is also described in posts and facilitates obtaining a single piece more rapidly in order to obtain some trade value. In initial mode, the piece of which we need the least parts is targeted. In endgame mode, the piece of which we need the most parts is targeted. Slices that are cancelled are also removed from the "pending" queue, as are pieces that are completed. * When duplicating a piece request, the slice request order is also shuffled in order to minimize duplication of effort. Tracker info * [status] Seems to be missing tracker.cpp diff. Added code to get tracker's total peers, but not all trackers report these fields in the normal response. Also added code to count successful updates from the tracker. * Added tracker connection state to status line (when connecting/connected). Tracker contact * When interrupting (ctrl-C), connect to the tracker immediately rather than waiting 15 seconds. * Contact tracker "soon" after transitioning to seeder state. Peer interaction * Manage our interested state for each peer dynamically as content changes. * Unchoking + Use the peer's interested state (confirming via the bitfield that it needs our data) to consider unchoking. Using only the bitfield could cause us to waste an upload slot on a peer that doesn't have all content but isn't interested (like a single-file downloader). + Choke peers that become uninterested or don't need our data. + Try unchoking new peers only as slots open or the optimistic unchoke rotates. Unchoking too many peers can temporarily reduce per-peer upload rates, which would make uploading to us unappealing for good peers. + In a tie for download speed, prefer to unchoke the peer to whom we've uploaded the least data relative to what we've downloaded from him. * Optimistic unchoking + Fixed condition inversion bug causing opt unchoking to occur too often. + A peer who has no pieces is now preferred 75% vs. a peer who already has at least one piece, in order to help the new peer become productive. This is documented in the online spec. + Set peer's last-unchoke-time when choking the peer to get better rotation of the optimistic unchoke. The value is now the last time that a peer was in the unchoked state rather than the time of the last unchoke event. Miscellaneous items * [tracker] Fixed normal program end (stop) process, which was crashing. * [get1file] Restore compact tracker response support. * [get1file] Made display of the status line info dependent on whether the option is in use. * [get1file] Apply the filter when checking for what we need from a peer instead of when recording what the peer has; this prevents stalls when we move on to the next file. Update interested state for each peer when we begin a new file. Also move the file-done check into the piece completion code and check whether the next file(s) has also been completed. * Reduced the slice size from 32K to 16K (same as BT & Azureus). This provides more precise DL rate measurement, and helps insure that we receive a productive amount of data (i.e. a complete slice) even if we are unchoked by a peer for only one cycle. See [4]http://groups.yahoo.com/group/BitTorrent/message/1260 for more discussion/analysis on this. * Added -v (verbose) option for additional debugging output. References 1. http://www.eurecom.fr/~michiard/pubs/bt_experiments_techRepINRIA-00001111_VERSION1_13FEBRUARY2006.pdf 2. http://www.rahul.net/dholmes/ctorrent/ctcs.html 3. http://sourceforge.net/tracker/?atid=598034&group_id=91688&func=browse 4. http://groups.yahoo.com/group/BitTorrent/message/1260 ctorrent-1.3.4.dnh3.3.2/Doxyfile0000644000000000000000000002334311227344303016367 0ustar00usergroup00000000000000# Doxyfile 1.3.7-KDevelop #--------------------------------------------------------------------------- # Project related configuration options #--------------------------------------------------------------------------- PROJECT_NAME = ctorrent.kdevelop PROJECT_NUMBER = $VERSION$ OUTPUT_DIRECTORY = CREATE_SUBDIRS = NO OUTPUT_LANGUAGE = English USE_WINDOWS_ENCODING = NO BRIEF_MEMBER_DESC = YES REPEAT_BRIEF = YES ABBREVIATE_BRIEF = "The $name class" \ "The $name widget" \ "The $name file" \ is \ provides \ specifies \ contains \ represents \ a \ an \ the ALWAYS_DETAILED_SEC = NO INLINE_INHERITED_MEMB = NO FULL_PATH_NAMES = NO STRIP_FROM_PATH = /usr/home/jake/devel/realrekord-0.9-jr3/ STRIP_FROM_INC_PATH = SHORT_NAMES = NO JAVADOC_AUTOBRIEF = NO MULTILINE_CPP_IS_BRIEF = NO DETAILS_AT_TOP = NO INHERIT_DOCS = YES DISTRIBUTE_GROUP_DOC = NO TAB_SIZE = 8 ALIASES = OPTIMIZE_OUTPUT_FOR_C = NO OPTIMIZE_OUTPUT_JAVA = NO SUBGROUPING = YES #--------------------------------------------------------------------------- # Build related configuration options #--------------------------------------------------------------------------- EXTRACT_ALL = NO EXTRACT_PRIVATE = NO EXTRACT_STATIC = NO EXTRACT_LOCAL_CLASSES = YES EXTRACT_LOCAL_METHODS = NO HIDE_UNDOC_MEMBERS = NO HIDE_UNDOC_CLASSES = NO HIDE_FRIEND_COMPOUNDS = NO HIDE_IN_BODY_DOCS = NO INTERNAL_DOCS = NO CASE_SENSE_NAMES = YES HIDE_SCOPE_NAMES = NO SHOW_INCLUDE_FILES = YES INLINE_INFO = YES SORT_MEMBER_DOCS = YES SORT_BRIEF_DOCS = NO SORT_BY_SCOPE_NAME = NO GENERATE_TODOLIST = YES GENERATE_TESTLIST = YES GENERATE_BUGLIST = YES GENERATE_DEPRECATEDLIST= YES ENABLED_SECTIONS = MAX_INITIALIZER_LINES = 30 SHOW_USED_FILES = YES #--------------------------------------------------------------------------- # configuration options related to warning and progress messages #--------------------------------------------------------------------------- QUIET = NO WARNINGS = YES WARN_IF_UNDOCUMENTED = YES WARN_IF_DOC_ERROR = YES WARN_FORMAT = "$file:$line: $text" WARN_LOGFILE = #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- INPUT = /usr/home/jake/devel/ctorrent FILE_PATTERNS = *.c \ *.cc \ *.cxx \ *.cpp \ *.c++ \ *.java \ *.ii \ *.ixx \ *.ipp \ *.i++ \ *.inl \ *.h \ *.hh \ *.hxx \ *.hpp \ *.h++ \ *.idl \ *.odl \ *.cs \ *.php \ *.php3 \ *.inc \ *.m \ *.mm \ *.C \ *.CC \ *.C++ \ *.II \ *.I++ \ *.H \ *.HH \ *.H++ \ *.CS \ *.PHP \ *.PHP3 \ *.M \ *.MM \ *.C \ *.H \ *.tlh \ *.diff \ *.patch \ *.moc \ *.xpm \ *.dox RECURSIVE = yes EXCLUDE = EXCLUDE_SYMLINKS = NO EXCLUDE_PATTERNS = EXAMPLE_PATH = EXAMPLE_PATTERNS = * EXAMPLE_RECURSIVE = NO IMAGE_PATH = INPUT_FILTER = FILTER_SOURCE_FILES = NO #--------------------------------------------------------------------------- # configuration options related to source browsing #--------------------------------------------------------------------------- SOURCE_BROWSER = NO INLINE_SOURCES = NO STRIP_CODE_COMMENTS = YES REFERENCED_BY_RELATION = YES REFERENCES_RELATION = YES VERBATIM_HEADERS = YES #--------------------------------------------------------------------------- # configuration options related to the alphabetical class index #--------------------------------------------------------------------------- ALPHABETICAL_INDEX = NO COLS_IN_ALPHA_INDEX = 5 IGNORE_PREFIX = #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- GENERATE_HTML = YES HTML_OUTPUT = html HTML_FILE_EXTENSION = .html HTML_HEADER = HTML_FOOTER = HTML_STYLESHEET = HTML_ALIGN_MEMBERS = YES GENERATE_HTMLHELP = NO CHM_FILE = HHC_LOCATION = GENERATE_CHI = NO BINARY_TOC = NO TOC_EXPAND = NO DISABLE_INDEX = NO ENUM_VALUES_PER_LINE = 4 GENERATE_TREEVIEW = NO TREEVIEW_WIDTH = 250 #--------------------------------------------------------------------------- # configuration options related to the LaTeX output #--------------------------------------------------------------------------- GENERATE_LATEX = YES LATEX_OUTPUT = latex LATEX_CMD_NAME = latex MAKEINDEX_CMD_NAME = makeindex COMPACT_LATEX = NO PAPER_TYPE = a4wide EXTRA_PACKAGES = LATEX_HEADER = PDF_HYPERLINKS = NO USE_PDFLATEX = NO LATEX_BATCHMODE = NO LATEX_HIDE_INDICES = NO #--------------------------------------------------------------------------- # configuration options related to the RTF output #--------------------------------------------------------------------------- GENERATE_RTF = NO RTF_OUTPUT = rtf COMPACT_RTF = NO RTF_HYPERLINKS = NO RTF_STYLESHEET_FILE = RTF_EXTENSIONS_FILE = #--------------------------------------------------------------------------- # configuration options related to the man page output #--------------------------------------------------------------------------- GENERATE_MAN = NO MAN_OUTPUT = man MAN_EXTENSION = .3 MAN_LINKS = NO #--------------------------------------------------------------------------- # configuration options related to the XML output #--------------------------------------------------------------------------- GENERATE_XML = yes XML_OUTPUT = xml XML_SCHEMA = XML_DTD = XML_PROGRAMLISTING = YES #--------------------------------------------------------------------------- # configuration options for the AutoGen Definitions output #--------------------------------------------------------------------------- GENERATE_AUTOGEN_DEF = NO #--------------------------------------------------------------------------- # configuration options related to the Perl module output #--------------------------------------------------------------------------- GENERATE_PERLMOD = NO PERLMOD_LATEX = NO PERLMOD_PRETTY = YES PERLMOD_MAKEVAR_PREFIX = #--------------------------------------------------------------------------- # Configuration options related to the preprocessor #--------------------------------------------------------------------------- ENABLE_PREPROCESSING = YES MACRO_EXPANSION = NO EXPAND_ONLY_PREDEF = NO SEARCH_INCLUDES = YES INCLUDE_PATH = INCLUDE_FILE_PATTERNS = PREDEFINED = EXPAND_AS_DEFINED = SKIP_FUNCTION_MACROS = YES #--------------------------------------------------------------------------- # Configuration::additions related to external references #--------------------------------------------------------------------------- TAGFILES = GENERATE_TAGFILE = ctorrent.tag ALLEXTERNALS = NO EXTERNAL_GROUPS = YES PERL_PATH = /usr/bin/perl #--------------------------------------------------------------------------- # Configuration options related to the dot tool #--------------------------------------------------------------------------- CLASS_DIAGRAMS = YES HIDE_UNDOC_RELATIONS = YES HAVE_DOT = NO CLASS_GRAPH = YES COLLABORATION_GRAPH = YES UML_LOOK = NO TEMPLATE_RELATIONS = NO INCLUDE_GRAPH = YES INCLUDED_BY_GRAPH = YES CALL_GRAPH = NO GRAPHICAL_HIERARCHY = YES DOT_IMAGE_FORMAT = png DOT_PATH = DOTFILE_DIRS = MAX_DOT_GRAPH_WIDTH = 1024 MAX_DOT_GRAPH_HEIGHT = 1024 MAX_DOT_GRAPH_DEPTH = 1000 GENERATE_LEGEND = YES DOT_CLEANUP = YES #--------------------------------------------------------------------------- # Configuration::additions related to the search engine #--------------------------------------------------------------------------- SEARCHENGINE = NO ctorrent-1.3.4.dnh3.3.2/INSTALL0000644000000000000000000000253511227344303015712 0ustar00usergroup00000000000000How to install: $ ./configure $ make install $ hash $ ctorrent -h If SSL support is not found, the public-domain SHA1 code will be used. To force the use of this code, specify: --with-ssl=no as a parameter to the configure script. To give configure a hint about where to find SSL on your system, specify: --with-ssl=DIR where DIR is the common directory under which sha.h and the SSL libraries are located. For example, if the files are located at: /opt/include/openssl/sha.h /opt/lib/libcrypto.a use: --with-ssl=/opt There are several combinations of subdirectories that will be tried by the configure script. If all else fails, create symbolic links for sha.h and the applicable library (libssl.a, libcrypto.a, libcrypt.a, or libmd.a) in a single directory and specify that. Or set the CPPFLAGS environment variable to "-Idir" (where "dir" is the directory in which sha.h resides) and the LDFLAGS environment variable to "-Ldir" (where "dir" is the directory in which the library containing SHA1 support resides), then re-run configure. Check the documentation or man page for your shell to determine how to set an environment variable. Example using csh/tcsh: setenv CPPFLAGS "-I/usr/local/include" Hint: You can use the "strings" command to help determine whether SHA1 support is present in a library, as in: strings libcrypto.a | grep SHA1_Init ctorrent-1.3.4.dnh3.3.2/Makefile.am0000644000000000000000000000107711227344303016715 0ustar00usergroup00000000000000bin_PROGRAMS = ctorrent ctorrent_SOURCES = bencode.cpp bitfield.cpp btconfig.cpp btcontent.cpp btfiles.cpp btrequest.cpp btstream.cpp bufio.cpp compat.c connect_nonb.cpp console.cpp ctcs.cpp ctorrent.cpp downloader.cpp httpencode.cpp iplist.cpp peer.cpp peerlist.cpp rate.cpp setnonblock.cpp sigint.cpp tracker.cpp sha1.c bencode.h bitfield.h btconfig.h btcontent.h btfiles.h btrequest.h btstream.h bttime.h bufio.h compat.h connect_nonb.h console.h ctcs.h def.h downloader.h httpencode.h iplist.h msgencode.h peer.h peerlist.h rate.h setnonblock.h sigint.h tracker.h sha1.h ctorrent-1.3.4.dnh3.3.2/Makefile.in0000644000000000000000000005123611227344303016730 0ustar00usergroup00000000000000# Makefile.in generated by automake 1.9.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004 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@ SOURCES = $(ctorrent_SOURCES) srcdir = @srcdir@ top_srcdir = @top_srcdir@ VPATH = @srcdir@ pkgdatadir = $(datadir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ top_builddir = . am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd INSTALL = @INSTALL@ install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : bin_PROGRAMS = ctorrent$(EXEEXT) subdir = . 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Fast and small are CTorrent`s two strengths. ctorrent-1.3.4.dnh3.3.2/README-DNH.TXT0000644000000000000000000004455311227344303016634 0ustar00usergroup00000000000000 Enhanced CTorrent [ [1]Overview | [2]News | [3]Changes | [4]CTCS | [5]Download | [6]Resources | [7]Contact ] _________________________________________________________________ Overview [8]CTorrent is a [9]BitTorrent client implemented in C++ to be lightweight and quick. The original has fallen a little behind in updates and bug fixes though. The files here contain the good work of those who wrote the original CTorrent base code and a number of patches that provide fixes and enhancements, as well as additional fixes and enhancements that I am contributing. I am not the original author, current maintainer, or any other official representative of CTorrent. The files on this page are not the original or official CTorrent distribution. I encourage you to visit the [10]CTorrent project page on SourceForge for further information. Enhanced CTorrent now has a [11]SourceForge project page with forums, bug reporting, and downloads. Platform Enhanced CTorrent is intended to run on any Unix-like system, including FreeBSD, Linux, Mac OS X, Solaris, Cygwin, etc. If it doesn't build or run properly without modification on your system, please post to the [12]forums or [13]send details. Features The purpose of the Enhanced CTorrent effort is to fix problems that remain in the code, modernize existing features and algorithms, and implement new features while maintaining low overhead requirements and a high standard of performance (both part of the original CTorrent design philosophy). Highlights of the enhanced client include: * Support for large files (>2GB) and large torrents (>255 files) * Strategic selection of pieces to request for download * Continuous queueing of download requests, tuned based on latency and throughput for each peer * Improved download performance, including parallel requests in initial and endgame modes * Improved bandwidth regulation * Improved compatibility with other peers * Performance optimization and bug fixes * An interface for monitoring and managing multiple clients * Dynamic cache allocation and management, including prefetch * Flexible console I/O redirection * Interactive control commands and menus Documentation For documentation that provides a little more than the help screen, please see the [14]User's Guide. For a list of changes in the current and previous versions, see the [15]ChangeLog file. Peer ID Beginning with dnh1.1 the default peer ID has been changed for convenience, as some other clients and trackers assume that Ctorrent is "buggy" and won't cooperate with it. [Guess what, there are plenty of others with bugs too.] The -P option is still available if you wish to use a different peer ID, but it is no longer necessary to do so in order to avoid this "ban". The new default peer ID prefix is "-CDversion-", where version is an indication of the version number (0101 for dnh1.1). CTCS [16]CTorrent Control Server (CTCS) is an interface for monitoring and managing Enhanced CTorrent clients. It can manage allocation of bandwidth, provide status information, and allow changes to the running configuration of each client. Support for this interface was added in the dnh2 release. _________________________________________________________________ News 2008-06-14 Version dnh3.3.2 is [17]released. This is a bug-fix release to correct known issues in dnh3.3.1. 2008-04-26 Version dnh3.3.1 is [18]released. This is a bug-fix release to correct known issues in dnh3.3. [19]CTCS 1.4.1 has also been released. 2008-04-08 Version dnh3.3 is [20]released. This release includes a number of bug fixes and optimizations; details are in the [21]change log. 2007-11-27 There is a bug in dnh3.2 that can cause a completed torrent to be reported as incomplete when restarting. An easy correction is to delete the "setvbuf" line in btfiles.cpp and recompile. This is recommended even if you have not observed the problem. While I'm here I may as well announce the new [22]SourceForge project page! This should be a big help toward organizing communications, tracking bugs, and maintaining code history. 2007-07-23 Version dnh3.2 is [23]released. This release includes a number of bug fixes and some optimizations; details are in the [24]change log. 2007-06-13 The timestamp on one of the autoconf files was incorrect, which may have caused build problems for some people. The dnh3.1 release package has been updated to correct this. 2007-06-10 A possible crash when exiting the program has been corrected. The bug is essentially harmless except that you might have a core file created as a result. The dnh3.1 release package has been updated below to correct this. 2007-06-05 Version dnh3.1 is [25]released. There are several new features and bug fixes; details can be found in the [26]change log. If you're using [27]CTCS, you should also upgrade it to version 1.4 in order to use new client configuration options. 2007-05-23 The dnh3-update patch has been updated to fix a potential crash, and a rate measurement issue on some devices. 2007-04-27 A couple more critical issues in release dnh3 have been found and fixed. To reduce any confusion or inconvenience in the tracking and application of patches, all such fixes will now be distributed in a single patch file that will be updated as necessary, while its name will not change. See the [28]Download section for more details. 2007-04-18 Two [29]patches are available for dnh3; one corrects a general problem and the other provides support for Mac OSX. 2007-04-11 Version dnh3 is [30]released. There are several significant new features; release notes can be found in the [31]change log. If you're using [32]CTCS, you should also upgrade it to version 1.3 so that bandwidth management will work correctly. 2007-02-25 A [33]patch is available to fix a bug that can cause a crash when reassigning a piece for download. 2006-11-05 Version dnh2.2 is [34]released, mostly for bug fixes. Thanks to those who have reported them and helped with debugging! A simple [35]user's guide is also available. 2006-09-03 Version dnh2.1 is [36]released, along with [37]CTCS 1.1. Both updates fix issues when using CTCS on Linux, among other things. 2006-04-26 The [38]CTCS protocol is finally documented. 2006-04-25 A [39]patch is available to fix a bug in my solution for the vfat filesystem issue. This bug can cause the client to crash when creating a file on any filesystem type; the patch is recommended for all users. 2006-01-15 Version dnh2 is released! This version includes a number of significant [40]changes, including large file support, piece selection, tuned request queue depth, and support for [41]CTorrent Control Server. _________________________________________________________________ Download The preferred download mechanism is now the [42]SourceForge File Release page. All new files will be available there for convenient downloading from a mirror site near to you. Newer files appear first in the list. Note that patches are generally intended for the version below (older than) the patch. ___________________________________ Release dnh3.3.2 [43]SourceForge download page [44]Alternate (source distribution) ___________________________________ ___________________________________ Release dnh3.3.1 [45]SourceForge download page [46]Alternate (source distribution) ___________________________________ Release dnh3.3 [47]SourceForge download page [48]Alternate (source distribution) A complete source distribution for all platforms. ___________________________________ Release dnh3.2 [49]Source distribution A complete source distribution for all platforms. ___________________________________ Release dnh3.1 [50]Source distribution A complete source distribution for all platforms. ___________________________________ Release dnh3 Update Patch [51]dnh3_update patch (23 May 2007) This patch provides critical updates to release dnh3. The patch file will be updated here as necessary if additional such issues are found. This patch file contains the following component patches (not all were previously posted individually): msg Fixes a potential crash recording or reporting the type of message received from a peer. This could happen on multiple message types but may be likeliest to happen upon download completion (becoming seed). bwrate A problem has been observed with bandwidth rate measurement on NSLU2 devices. This appears to be due to a compiler or platform bug of some sort, but the root cause is not yet known. As such, it's possible that it may affect builds for other ARM devices or builds that use the same versions of build tools. While the problem is cosmetic with respect to bandwidth limiting, it can affect client operation in other ways. This patch provides a permanent workaround for this particular issue, but note that similar types of calculations are used in other parts of the program that cannot be fixed in this manner. flush Fixes a problem flushing downloaded data to disk in certain situations. If you have downloaded any torrents with dnh3-release, please check them with the "-c" option to confirm that all of the data was saved! console This fixes my interpretation of the description of the stdarg facility, which is at best unclear in most documentation that I have checked. The problem could cause crashes or incorrect behavior in the new console code. clock_gettime This patch emulates the clock_gettime function (well enough for this program's needs) using gettimeofday if clock_gettime is not present in the system libraries. This is needed in order to compile on Mac OSX and can also be used on other systems that do not have this function. (You'll know because configure exits with an error.) maxfd This corrects initialization of the maxfd variable in the main loop; the bug can result in abnormally high CPU utilization. To apply the patch, download the file into the ctorrent source directory and run the command: patch < patch-dnh3_update.diff in that directory. Then re-run configure and make. ___________________________________ Release dnh3 [52]Source distribution A complete source distribution for all platforms. ___________________________________ Patch for reassign bug [53]reassign patch This fixes a potential crash when reassigning a piece for download to a faster peer. It likely only shows itself on memory-constrained systems or particular OSs. With verbose output on, you would see something like this: Reassigning 0x81183b8 to 0x8160ef8 (#585) Segmentation fault To apply the patch, download the file into the ctorrent source directory and run the command: patch < patch-reassign.diff in that directory. Then recompile the program. ___________________________________ Release dnh2.2 [54]dnh2.1 to dnh2.2 patch file A patch file of changes to release dnh2.1 to bring it up to dnh2.2. [55]Source distribution A complete source distribution for all platforms. ___________________________________ Release dnh2.1 [56]dnh2 to dnh2.1 patch file A patch file of changes to release dnh2 to bring it up to dnh2.1. [57]Source distribution A complete source distribution for all platforms. ___________________________________ Patch for vfat bug [58]btfiles patch This fixes a coding bug in my solution for the vfat filesystem issue. This bug can cause the client to crash when creating a file on any filesystem type; the patch is recommended for all users of release dnh2. To apply the patch, download the file into the ctorrent source directory and run the command: patch < patch-btfiles.cpp.diff in that directory. Then recompile the program. ___________________________________ Release dnh2 The patch files for this version are significantly larger than in previous releases. It will be faster and easier to just download the patched source distribution below. [59]dnh1.2 to dnh2 patch file A patch file of changes to release dnh1.2 to bring it up to dnh2. [60]Patch file A patch file of changes to the CTorrent 1.3.4 base. [61]Patched source A complete source distribution for all platforms. ___________________________________ Older Versions Please see the [62]Old Versions page for previous releases and patches. _________________________________________________________________ Resources [63]CTorrent Home Page Outdated, but you may find some useful info (particularly the FAQ). [64]CTorrent SourceForge Project Hosts the original CTorrent codebase, bug reports, patches, and forum. [65]Custom CTorrent A page by the author of the "get1file" patch and other fixes. It contains a custom version and a GUI for CTorrent. [66]BitTorrent The official BitTorrent home page. [67]BitTorrent wiki Various documentation. [68]BitTorrent protocol specification (official version) [69]BitTorrent protocol specification (wiki version) References 1. http://www.rahul.net/dholmes/ctorrent/index.html#info 2. http://www.rahul.net/dholmes/ctorrent/index.html#news 3. http://www.rahul.net/dholmes/ctorrent/changelog.html 4. http://www.rahul.net/dholmes/ctorrent/ctcs.html 5. http://www.rahul.net/dholmes/ctorrent/index.html#download 6. http://www.rahul.net/dholmes/ctorrent/index.html#resources 7. mailto:dholmes@ct.boxmail.com 8. http://ctorrent.sourceforge.net/ 9. http://www.bittorrent.com/ 10. http://sourceforge.net/projects/ctorrent/ 11. http://sourceforge.net/projects/dtorrent/ 12. http://sourceforge.net/forum/?group_id=202532 13. mailto:dholmes@ct.boxmail.com 14. http://www.rahul.net/dholmes/ctorrent/userguide.html 15. http://www.rahul.net/dholmes/ctorrent/changelog.html 16. http://www.rahul.net/dholmes/ctorrent/ctcs.html 17. http://www.rahul.net/dholmes/ctorrent/index.html#download 18. http://www.rahul.net/dholmes/ctorrent/index.html#download 19. http://www.rahul.net/dholmes/ctorrent/ctcs.html 20. http://www.rahul.net/dholmes/ctorrent/index.html#download 21. http://www.rahul.net/dholmes/ctorrent/changelog.html 22. http://sourceforge.net/projects/dtorrent/ 23. http://www.rahul.net/dholmes/ctorrent/index.html#download 24. http://www.rahul.net/dholmes/ctorrent/changelog.html 25. http://www.rahul.net/dholmes/ctorrent/index.html#download 26. http://www.rahul.net/dholmes/ctorrent/changelog.html 27. http://www.rahul.net/dholmes/ctorrent/ctcs.html 28. http://www.rahul.net/dholmes/ctorrent/index.html#download 29. http://www.rahul.net/dholmes/ctorrent/index.html#download 30. http://www.rahul.net/dholmes/ctorrent/index.html#download 31. http://www.rahul.net/dholmes/ctorrent/changelog.html 32. http://www.rahul.net/dholmes/ctorrent/ctcs.html 33. http://www.rahul.net/dholmes/ctorrent/index.html#download 34. http://www.rahul.net/dholmes/ctorrent/index.html#download 35. http://www.rahul.net/dholmes/ctorrent/userguide.html 36. http://www.rahul.net/dholmes/ctorrent/index.html#download 37. http://www.rahul.net/dholmes/ctorrent/ctcs.html 38. http://www.rahul.net/dholmes/ctorrent/ctcs-protocol.html 39. http://www.rahul.net/dholmes/ctorrent/index.html#download 40. http://www.rahul.net/dholmes/ctorrent/changelog.html 41. http://www.rahul.net/dholmes/ctorrent/ctcs.html 42. http://sourceforge.net/project/showfiles.php?group_id=202532 43. http://sourceforge.net/project/showfiles.php?group_id=202532&package_id=241233 44. http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.3.2.tar.gz 45. http://sourceforge.net/project/showfiles.php?group_id=202532&package_id=241233 46. http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.3.1.tar.gz 47. http://sourceforge.net/project/showfiles.php?group_id=202532&package_id=241233 48. http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.3.tar.gz 49. http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.2.tar.gz 50. http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.1.tar.gz 51. http://www.rahul.net/dholmes/ctorrent/patch-dnh3_update.diff 52. http://www.rahul.net/dholmes/ctorrent/ctorrent-1.3.4-dnh3.tar.gz 53. http://www.rahul.net/dholmes/ctorrent/patch-reassign.diff 54. http://www.rahul.net/dholmes/ctorrent/patchset-ctorrent-dnh2.1-dnh2.2.diff 55. http://www.rahul.net/dholmes/ctorrent/ctorrent-1.3.4-dnh2.2.tar.gz 56. http://www.rahul.net/dholmes/ctorrent/patchset-ctorrent-dnh2-dnh2.1.diff 57. http://www.rahul.net/dholmes/ctorrent/ctorrent-1.3.4-dnh2.1.tar.gz 58. http://www.rahul.net/dholmes/ctorrent/patch-btfiles.cpp.diff 59. http://www.rahul.net/dholmes/ctorrent/patchset-ctorrent-dnh1.2-dnh2.diff 60. http://www.rahul.net/dholmes/ctorrent/patchset-ctorrent-1.3.4-dnh2.diff 61. http://www.rahul.net/dholmes/ctorrent/ctorrent-1.3.4-dnh2.tar.gz 62. http://www.rahul.net/dholmes/ctorrent/oldversion.html 63. http://ctorrent.sourceforge.net/ 64. http://sourceforge.net/projects/ctorrent/ 65. http://customctorrent.ifreepages.com/ 66. http://bittorrent.com/ 67. http://wiki.theory.org/CategoryBitTorrent 68. http://www.bittorrent.org/protocol.html 69. http://wiki.theory.org/BitTorrentSpecification ctorrent-1.3.4.dnh3.3.2/UserGuide0000644000000000000000000006466411227344303016513 0ustar00usergroup00000000000000 Enhanced CTorrent User's Guide This guide is presented to offer additional information related to using [1]Enhanced CTorrent. This document is not an introduction to BitTorrent--for that, try [2]this, [3]this, or an Internet search. Contents * Options + [4]General + [5]Downloading + [6]Create Torrent * [7]Examples * [8]Runtime Commands + [9]Operator Menu * Usage Notes + [10]Bandwidth Limits + [11]Startup + [12]Status Line + [13]Stopping CTorrent Options Index [14]-a [15]-A [16]-b [17]-c [18]-c [19]-C [20]-d [21]-D [22]-e [23]-E [24]-f [25]-i [26]-I [27]-l [28]-m [29]-M [30]-n [31]-p [32]-p [33]-P [34]-s [35]-s [36]-S [37]-t [38]-T [39]-u [40]-u [41]-U [42]-v [43]-x [44]-X [45]-z _________________________________________________________________ Options ___________________________________ General Options -x Decode metainfo (torrent) file only, don't download Displays the torrent information and contents from the metainfo (.torrent) file. No piece checking or downloading is performed. This option is normally used alone. -c Check pieces only, don't download Hash-checks all pieces of the torrent to verify completion status and exits. Use this when you want to verify that you've successfully downloaded the complete torrent, or to make sure the files are intact after a system crash. This option is normally used alone, but can be used with -X for an automated completion check. -v Verbose output (for debugging) Generates [a lot of] extra output while CTorrrent is running. ___________________________________ Downloading Options -e int Exit while seed hours later (default 72 hours) Indicate how long (in hours) you want to "seed" (continue uploading) after download has completed. It is considered polite and fair (and required by some tracker sites) to seed for some time after downloading. -E num Exit after seeding to ratio (UL:DL) Specify a desired "seed ratio". After downloading completes, the client will continue seeding (uploading) until your total upload volume divided by your download volume equals this number. Fractional values (such as 1.5) are allowed. It is considered polite and fair (and required by some tracker sites) to seed until your ratio is at least 1:1. -i ip Listen for connections on specific IP address (default all/any) Specify the IP address on which you want to listen for incoming connections. This is only useful if your system has multiple network interfaces and you want to restrict access or run multiple clients on different interfaces. -p port Listen port (default 2706 -> 2106) Specify the TCP port number on which to listen for incoming connections. By default, CTorrent starts at 2706 and searches for an available port in decreasing order until it finds one or exhausts all ports down through 2106. The behavior with this option is similar, but starting at the specified port number. -I ip Specify public/external IP address for peer connections Specify the IP address which the tracker should give out to peer clients in order to connect to you. This is normally needed only if you are behind a NAT and on the tracker's local network. -u num or URL Alternate announce (tracker) URL Specify an alternate tracker announce URL. The parameter can be the actual URL or the number from the list of alternates printed when starting the client or using -x. -s filename Download ("save as") to a different file or directory Download to a different filename or top-level directory name than what is given in the metainfo file. -C cache_size Cache size, unit MB (default 16MB) Specify the maximum amount of memory to use for caching downloaded slices. The program may use less than this; the cache size is dynamically tuned based on the download and upload rates. You may need to use this option if running on a memory-constrained system such as a router or SAN device. If you use a value of 0, no memory cache will be used but the process will be more disk-intensive. -f Force saved bitfield or seed mode (skip hash check at startup) Perform a fast startup by skipping the initial (or background) hash verification of the files. This option is not generally recommended since the client now performs initial hash checking in the background. Use this option only if CTorrent was shut down cleanly when last downloading this torrent and you are absolutely certain that the bitfield (if download is not complete) and data files are intact and correct. To emulate the old behavior of hash-checking all pieces before beginning download or seeding, use -f along with the -c option. -b filename Specify bitfield save file (default is torrent+".bf") Piece completion status is saved to a bitfield file on exit if download has not completed. On startup the file is read to determine (and check) available pieces. The -b option can be used to specify a filename other than the default. Be consistent and careful with this option; it is generally not needed. -M max_peers Max peers count (default 100) Set the maximum allowable number of peer connections. If this number is reached, no new connections will be initiated or accepted. If memory or upload bandwidth are constrained, you may want to use this option to specify a lower value. -m min_peers Min peers count (default 1) Set the desired minimum number of peer connections. If the number falls below this value, the client will contact the tracker to request more peers. -z slice_size Download slice/block size, unit KB (default 16, max 128) Sets the size of the basic unit of download. For greatest compatibility with other peer clients, use the default. This value can also affect the precision with which bandwidth is managed. -n file_list Specify file number(s) to download Specify a priority order for downloading files in the torrent. A comma-separated list of file numbers and groups can be specified; the file numbers can be seen with the -x option. The client will preferentially request pieces of the highest-priority files, requesting a piece from a lower-priority group if a peer has no such pieces. A group may consist of: + a file number + a range of file numbers (x-y) + a combination of file numbers and ranges separated with plus (+) signs + an asterisk (*) or 3-dot ellipsis (...) If an asterisk (remember to quote it on the command line!) or ellipsis is used, the client will download and seed the remainder of the torrent once the prioritized files are completed; this is similar to the previous behavior of the option. If no such specification is given, the client will download and seed only the indicated files. Examples: -n 3 Download and seed only file 3. -n 3+5+7,8-11 Download files 3, 5, and 7 simultaneously, then download files 8 through 11 simultaneously, then stop downloading and seed all downloaded files. -n 3-4,... Download files 3 and 4 simultaneously, then download and seed all remaining content. -D rate Max bandwidth down (unit KB/s) Specify a download bandwidth limit for this torrent. The client will maintain its short-term average download rate at or below this value. -U rate Max bandwidth up (unit KB/s) Specify an upload bandwidth limit for this torrent. The client will maintain its short-term average upload rate at or below this value. -P peer_id Set Peer ID prefix. (default "-CD0301-") Specify an alternate peer ID prefix. This can be useful if a tracker is set up to only allow client programs that it recognizes. (The admin may not even realize it, so you may want to try contacting them to request that they change their configuration or add Enhanced CTorrent to the list.) If you receive a tracker warning message that your client is out of date, try using this option with the prefix of another well-known client program (such as "-AZ2304-"). -A user_agent Set User-Agent header. (default "Enhanced-CTorrent/dnh3.1") Specify an alternate user-agent header. This can be useful if a tracker is set up to only allow client programs that it recognizes. -S host:port Use CTCS server at host:port Maintain a connection to CTCS for status reporting, bandwidth control, and client management. Using a colon at the end of the parameter (as in "-S localhost:2780:") will cause the client to prompt for a password to send to CTCS when connecting. -a Preallocate files on disk Use this if you are concerned about file fragmentation or out-of-order block storage. This option is only effective when initially creating the files and will cause startup to take longer as each entire file is written in order to reserve physical disk space. Note that all files will be created and preallocated even if the "-n" option is used to download a particular file. -T Convert foreign filenames to printable text Substitutes a hex representation of any non-printable characters in filenames; an underscore will be inserted between any such sequences and regular text. This applies to printing the name of the file as well as accessing it on disk, so you need to use it (or not) consistently across multiple runs of the same torrent. It does not apply to names specified with the "-s" option. -X command Run command upon download completion ("user exit") Specifies a "user exit" command to run upon download completion. The string parameter will be passed to the sh shell for execution; see the system() man page for further clarification. You will need to quote this string on the command line in order to identify it as a single parameter and prevent special characters from being interpreted. Some substitution sequences beginning with ampersand (&) are available; note that it's a good idea to quote the sequence within the string so that the substituted names will be quoted in the final command. + &d will be replaced by the name of the directory or filename that contains the downloaded data. + &t will be replaced by the name of the torrent metainfo file (with path, if it was specified that way to ctorrent). + &w will be replaced by the client's working directory. Note that the fork() and system() system/library functions are used for best portability. As a result, significant extra memory may be used while the specified command is running. Be advised to use this feature as a trigger mechanism to update a file or run a short script that kicks off a background task rather than for executing a longer task directly. This option can also be used together with -c as an automated completion check. Normally the completion command will be run only if data has been downloaded; this case is the exception. -d Daemon mode (fork to background) The client will detach itself from the terminal session and become a background process, closing stdin, stdout, and stderr. There is no way to bring it back into the foreground of a session later; if you want to monitor or manage the client then either use the CTCS option (-S) as well or run the client under [46]screen instead of using -d. If this option is specified twice (-dd) then redirected standard I/O descriptors will not be closed. ___________________________________ Options for Creating a New Torrent -t Create a new torrent file Indicates that you want to create a new torrent. This must be the first option specified when creating a torrent. -s filename Specify metainfo file name (Required) Give the name of the file to be created. -u URL Tracker's URL (Required) Specify the tracker's announce URL. This usually looks similar to "http://tracker.example.com:port/announce". -l piece_len Piece length (default 262144) Specify the piece size for your torrent. This will also determine the number of pieces in the torrent. -p Private (disable peer exchange) Disable the use of DHT, PEX, or other trackerless peer-exchange methods by other clients when sharing this torrent. -c comment Include a comment/description Include a comment field in the torrent file. _________________________________________________________________ Examples List the contents of a torrent: ctorrent -x example.torrent Verify download completion status (takes a little time): ctorrent -c example.torrent Download or seed a torrent using default options: ctorrent example.torrent Download with a limit of 100KB/s, upload limit of 10KB/s, and seed until a ratio of 1.5:1 is achieved: ctorrent -D 100 -U 10 -E 1.5 example.torrent Create a torrent: ctorrent -t -u "http://tracker.example.com:6969/announce" -s example.torrent fi le_or_dir_to_upload _________________________________________________________________ Runtime Commands Several commands are available during upload/download; a list is available by pressing ? or h: Available commands: [Esc/0] Operator menu m[+/-] Adjust min peers count d[+/-] Adjust download limit M[+/-] Adjust max peers count u[+/-] Adjust upload limit C[+/-] Adjust max cache size n Download specific file S Set/change CTCS server e[+/-] Adjust seed exit time v Toggle verbose mode E[+/-] Adjust seed exit ratio Q Quit X Completion command Command keys are case-sensitive. When a command key is pressed, a prompt or current value is displayed. Prompts will suspend display of the status line while waiting for input, though the client continues to run normally. Toggle and numeric commands briefly suspend the status line display. Commands shown with [+/-] following the key are numeric options and can be adjusted by pressing + or - repeatedly after the command key. The increment is increased after five presses; to reset it, press the command key again. Most commands use the same letter as the corresponding command-line option. Note that the bandwidth limit commands use the same letters but opposite case. Operator Menu The 0 or Esc command key displays an operator menu with more advanced (or less routine) options. All options on and beneath this menu require pressing Enter to submit the input. Pressing Enter alone will exit the menu. Operator Menu Output Channels: 1) Normal/status: stdout 2) Interactive: stdout 3) Error/warning: stderr 4) Debug/verbose: stderr 5) Input: stdin Status Line Formats: 6) \ 0/6/18 [700/700/700] 0MB,11127MB | 0,15K/s | 0,0K E:0,405 *7) | S:0/10 L:6/7 C:0 R=15.92 D=0 U=16 K/s seeding 48:57 Other options: 8) View detailed status 9) Pause (suspend upload/download) 10) Become daemon (fork to background) 11) Update tracker stats & get peers 12) Restart (recover) the tracker session Enter selection: The first set of options allow redirection of the client's various types of console output (or even input--use carefully!). Of particular use is the debug/verbose channel, which can be directed to a file to create a debug log (be sure to also enable verbose output with the "v" command key or CTCS). The second set of options is used to select the status line format. Since the actual client status is used to generate the menu options, the operator menu display can also be used just to view the alternate status information. An asterisk (*) indicates the currently selected format. The next two options provide a means to view more detailed current status and statistics or to pause uploading and downloading (more or less immediately, unlike the previous CTCS pause function). Note that there is no "recovery" from daemon mode. Use CTCS (with daemon mode) and/or "screen" if you want the client to run in the background but need to manage or monitor it. The next two options are the same as the corresponding actions in CTCS. The first performs an early tracker update. The second restarts the tracker session as if you had exited and restarted the client. This can be used to recover if the tracker appears to have suffered a failure and does not recognize your client session. _________________________________________________________________ Usage Notes Bandwidth Limits You should always specify an upload bandwidth limit. With the most recent changes in the program, this "option" is not just a limit to stay under, but an advisement to the client as well. Enhanced CTorrent now tunes its upload performance based on the limit. Without a limit, the client has no idea how much bandwidth your line can support and so cannot perform this tuning. It is now possible to achieve better upload rates with a limit than without. Due to the tit-for-tat nature of bittorrent, this can also indirectly increase your download performance. If you just want the client to use as much upload bandwidth as possible, then choose a limit that is 10% or so less than the available upload capacity of your line. ("Available" means not typically in use by other applications.) Note that limits are specified in KB/s (kilobytes per second), where 1KB = 1024 bytes (8192 bits). Your ISP likely measures in "kilobits" (Kb, where 1Kb = 1000 bits or 125 bytes) or "megabits" (1Mb = 1000000 bits or 122KB). Some of that [to the tune of 20% in some cases] is used by the line protocol and thus not available to you at all. Startup If you have previously started the torrent, CTorrent will perform a hash-check of all pieces (or pieces indicated by the bitfield file if present) while beginning the upload/download process. This does not mean that it is starting over--quite the opposite! This is how the client determines which pieces it already has so that they will not be downloaded again (and can be offered for uploading). This process confirms the pieces that you have even if the files have been altered or recovered after a system crash. Status Line The status line that is output by the client has changed since the original and deserves some explanation. / 0/33/110 [672/672/672] 0MB,1130MB | 0,20K/s | 0,0K E:0,31 P:4/10 - - -- --- --- --- --- --- ------ - -- - - - -- ---- A B C D E F G H I J K L M N O P A: Ticker; this character changes to indicate that the client is running. B: Number of seeders (complete peers) to which you are connected. C: Number of leechers (incomplete peers) to which you are connected. D: Total number of peers in the swarm, as last reported by the tracker. E: Number of pieces of the torrent that you have completed. F: Total number of pieces in the torrent. G: Number of pieces currently available from you and your connected peers. H: Total amount of data you have downloaded. I: Total amount of data you have uploaded. J: Your current download rate (20 second average). K: Your current upload rate (20 second average). L: Amount of data downloaded since the last status line update. M: Amount of data uploaded since the last status line update. N: Number of tracker connection errors. O: Number of successful tracker connections. P: Completion ratio of current fileset (when -n is used). Additional information such as tracker connection status may be displayed at the end of the status line when appropriate. Alternate Status Line A new status line format is also available via the operator menu. / S:4/8 L:4/5 C:1 R=5.85 D=42 U=16 K/s 79/100% 49:47 P:40/100% 2:41 - - - - - - ---- -- -- -- ---- ----- ------- ---- A B C D E F G H I J K L M N A: Ticker; this character changes to indicate that the client is running. B: Number of seeders (complete peers) to which you are connected. C: Number of seeders in the swarm (excluding yourself), as last reported by the tracker. D: Number of leechers (incomplete peers) to which you are connected. E: Number of leechers in the swarm (excluding yourself), as last reported by the tracker. F: Number of peer connection attempts in progress. G: Your upload/download ratio. H: Your current download rate (20 second average). I: Your current upload rate (20 second average). J: Percent of the torrent that you have completed. K: Percent of the torrent currently available from you and your connected peers. If you have the complete torrent, "seeding" is displayed instead of these percentages. L: Estimated download or seed time remaining, in hours and minutes. M: Completion and availability of current fileset (when -n is used). N: Time remaining to complete the current fileset (when -n is used). Additional information such as tracker connection status may be displayed at the end of the status line when appropriate. Stopping CTorrent Besides the Q command key (equivalent to Ctrl-C but a nicer user interface), CTorrent can be stopped before completing download or seeding by pressing Ctrl-C or sending the TERM signal ("kill pid"). This will tell the client to contact the tracker to send its final statistics and advise that it is leaving the torrent. Note that this could take a couple of minutes if the tracker is down or very busy. (Only one attempt is made, so the client will exit even if the connection fails.) If Ctrl-C or kill is used a second time, the client closes all peer connections and exits without waiting for the tracker connection. This means that other peers may still attempt to contact you for a while, and the tracker may not accept you back into the torrent until your original session expires. (This could take up to a couple of hours, depending on the tracker.) In either case, this is a clean shutdown of CTorrent. All downloaded data is written to disk before exiting. (Though only complete pieces really count if the torrent is restarted, as there is no way to know which blocks are missing from partial pieces.) _________________________________________________________________ References 1. http://www.rahul.net/dholmes/ctorrent/ 2. http://en.wikipedia.org/wiki/BitTorrent 3. http://btfaq.com/ 4. http://www.rahul.net/dholmes/ctorrent/userguide.html#opt_general 5. http://www.rahul.net/dholmes/ctorrent/userguide.html#opt_download 6. http://www.rahul.net/dholmes/ctorrent/userguide.html#opt_create 7. http://www.rahul.net/dholmes/ctorrent/userguide.html#examples 8. http://www.rahul.net/dholmes/ctorrent/userguide.html#commands 9. http://www.rahul.net/dholmes/ctorrent/userguide.html#opermenu 10. http://www.rahul.net/dholmes/ctorrent/userguide.html#bwlimits 11. http://www.rahul.net/dholmes/ctorrent/userguide.html#startup 12. http://www.rahul.net/dholmes/ctorrent/userguide.html#status 13. http://www.rahul.net/dholmes/ctorrent/userguide.html#stopping 14. http://www.rahul.net/dholmes/ctorrent/userguide.html#-a 15. http://www.rahul.net/dholmes/ctorrent/userguide.html#-A 16. http://www.rahul.net/dholmes/ctorrent/userguide.html#-b 17. http://www.rahul.net/dholmes/ctorrent/userguide.html#-c 18. http://www.rahul.net/dholmes/ctorrent/userguide.html#-c2 19. http://www.rahul.net/dholmes/ctorrent/userguide.html#-C 20. http://www.rahul.net/dholmes/ctorrent/userguide.html#-d 21. http://www.rahul.net/dholmes/ctorrent/userguide.html#-D 22. http://www.rahul.net/dholmes/ctorrent/userguide.html#-e 23. http://www.rahul.net/dholmes/ctorrent/userguide.html#-E 24. http://www.rahul.net/dholmes/ctorrent/userguide.html#-f 25. http://www.rahul.net/dholmes/ctorrent/userguide.html#-i 26. http://www.rahul.net/dholmes/ctorrent/userguide.html#-I 27. http://www.rahul.net/dholmes/ctorrent/userguide.html#-l 28. http://www.rahul.net/dholmes/ctorrent/userguide.html#-m 29. http://www.rahul.net/dholmes/ctorrent/userguide.html#-M 30. http://www.rahul.net/dholmes/ctorrent/userguide.html#-n 31. http://www.rahul.net/dholmes/ctorrent/userguide.html#-p 32. http://www.rahul.net/dholmes/ctorrent/userguide.html#-p2 33. http://www.rahul.net/dholmes/ctorrent/userguide.html#-P 34. http://www.rahul.net/dholmes/ctorrent/userguide.html#-s 35. http://www.rahul.net/dholmes/ctorrent/userguide.html#-s2 36. http://www.rahul.net/dholmes/ctorrent/userguide.html#-S 37. http://www.rahul.net/dholmes/ctorrent/userguide.html#-t 38. http://www.rahul.net/dholmes/ctorrent/userguide.html#-T 39. http://www.rahul.net/dholmes/ctorrent/userguide.html#-u2 40. http://www.rahul.net/dholmes/ctorrent/userguide.html#-u 41. http://www.rahul.net/dholmes/ctorrent/userguide.html#-U 42. http://www.rahul.net/dholmes/ctorrent/userguide.html#-v 43. http://www.rahul.net/dholmes/ctorrent/userguide.html#-x 44. http://www.rahul.net/dholmes/ctorrent/userguide.html#-X 45. http://www.rahul.net/dholmes/ctorrent/userguide.html#-z 46. http://www.gnu.org/software/screen/ ctorrent-1.3.4.dnh3.3.2/VERSION0000644000000000000000000000002311227344303015717 0ustar00usergroup00000000000000CTorrent 1.4 DEVEL ctorrent-1.3.4.dnh3.3.2/aclocal.m40000644000000000000000000011314311227344303016517 0ustar00usergroup00000000000000# generated automatically by aclocal 1.9.1 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 # Free Software Foundation, Inc. # 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. # 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. # -*- Autoconf -*- # Copyright (C) 2002, 2003 Free Software Foundation, Inc. # Generated from amversion.in; do not edit by hand. # 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, 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. 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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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # serial 1 # _AM_PROG_TAR(FORMAT) # -------------------- # Check how to create a tarball in format FORMAT. # FORMAT should be one of `v7', `ustar', or `pax'. # # Substitute a variable $(am__tar) that is a command # writing to stdout a FORMAT-tarball containing the directory # $tardir. # tardir=directory && $(am__tar) > result.tar # # Substitute a variable $(am__untar) that extract such # a tarball read from stdin. # $(am__untar) < result.tar AC_DEFUN([_AM_PROG_TAR], [# Always define AMTAR for backward compatibility. AM_MISSING_PROG([AMTAR], [tar]) m4_if([$1], [v7], [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], [m4_case([$1], [ustar],, [pax],, [m4_fatal([Unknown tar format])]) AC_MSG_CHECKING([how to create a $1 tar archive]) # Loop over all known methods to create a tar archive until one works. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' _am_tools=${am_cv_prog_tar_$1-$_am_tools} # Do not fold the above two line into one, because Tru64 sh and # Solaris sh will not grok spaces in the rhs of `-'. for _am_tool in $_am_tools do case $_am_tool in gnutar) for _am_tar in tar gnutar gtar; do AM_RUN_LOG([$_am_tar --version]) && break done am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' am__untar="$_am_tar -xf -" ;; plaintar) # Must skip GNU tar: if it does not support --format= it doesn't create # ustar tarball either. (tar --version) >/dev/null 2>&1 && continue am__tar='tar chf - "$$tardir"' am__tar_='tar chf - "$tardir"' am__untar='tar xf -' ;; pax) am__tar='pax -L -x $1 -w "$$tardir"' am__tar_='pax -L -x $1 -w "$tardir"' am__untar='pax -r' ;; cpio) am__tar='find "$$tardir" -print | cpio -o -H $1 -L' am__tar_='find "$tardir" -print | cpio -o -H $1 -L' am__untar='cpio -i -H $1 -d' ;; none) am__tar=false am__tar_=false am__untar=false ;; esac # If the value was cached, stop now. We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR ctorrent-1.3.4.dnh3.3.2/bencode.cpp0000644000000000000000000001277711227344303016775 0ustar00usergroup00000000000000#include "./def.h" #include "bencode.h" #ifndef WINDOWS #include #include #include #include #endif #include #include #include #include #ifndef HAVE_SNPRINTF #include "compat.h" #endif static const char* next_key(const char *keylist) { for(;*keylist && *keylist != KEY_SP; keylist++); if(*keylist) keylist++; return keylist; } static size_t compare_key(const char *key,size_t keylen,const char *keylist) { for(;keylen && *keylist && *key==*keylist;keylen--,key++,keylist++) ; if(!keylen) if(*keylist && *keylist!=KEY_SP) return 1; return keylen; } size_t buf_long(const char *b,size_t len,char beginchar,char endchar,int64_t *pi) { const char *p = b; const char *psave; if(2 > len) return 0; /* buffer too small */ if( beginchar ){ if(*p != beginchar) return 0; p++; len--; } for(psave = p; len && isdigit(*p); p++,len--) ; if(!len || MAX_INT_SIZ < (p - psave) || *p != endchar) return 0; if( pi ){ if( beginchar ) *pi = strtoll(b + 1,(char**) 0,10); else *pi=strtoll(b,(char**) 0,10); } return (size_t)( p - b + 1 ); } size_t buf_int(const char *b,size_t len,char beginchar,char endchar,size_t *pi) { size_t r; if( pi ){ int64_t pl; r = buf_long(b,len,beginchar,endchar,&pl); *pi = (size_t) pl; }else{ r = buf_long(b,len,beginchar,endchar,(int64_t*) 0); } return r; } size_t buf_str(const char *b,size_t len,const char **pstr,size_t* slen) { size_t rl,sl; rl = buf_int(b,len,0,':',&sl); if( !rl ) return 0; if(len < rl + sl) return 0; if(pstr) *pstr = b + rl; if(slen) *slen = sl; return( rl + sl ); } size_t decode_int(const char *b,size_t len) { return(buf_long(b,len,'i','e',(int64_t*) 0)); } size_t decode_str(const char *b,size_t len) { return (buf_str(b,len,(const char**) 0,(size_t*) 0)); } size_t decode_dict(const char *b,size_t len,const char *keylist) { size_t rl,dl,nl; const char *pkey; dl = 0; if(2 > len || *b != 'd') return 0; dl++; len--; for(;len && *(b + dl) != 'e';){ rl = buf_str(b + dl,len,&pkey,&nl); if( !rl || KEYNAME_SIZ < nl) return 0; dl += rl; len -= rl; if(keylist && compare_key(pkey,nl,keylist) == 0){ pkey = next_key(keylist); if(! *pkey ) return dl; rl = decode_dict(b + dl,len, pkey); if( !rl ) return 0; return dl + rl; } rl = decode_rev(b + dl,len,(const char*) 0); if( !rl ) return 0; dl += rl;len -= rl; } if( !len || keylist) return 0; return dl + 1; /* add the last char 'e' */ } size_t decode_list(const char *b,size_t len,const char *keylist) { size_t ll,rl; ll = 0; if(2 > len || *b != 'l') return 0; len--; ll++; for(;len && *(b + ll) != 'e';){ rl = decode_rev(b + ll,len,keylist); if( !rl ) return 0; ll += rl; len -= rl; } if( !len ) return 0; return ll + 1; /* add last char 'e' */ } size_t decode_rev(const char *b,size_t len,const char *keylist) { if( !b ) return 0; switch( *b ){ case 'i': return decode_int(b,len); case 'd': return decode_dict(b,len,keylist); case 'l': return decode_list(b,len,keylist); default: return decode_str(b,len); } } size_t decode_query(const char *b,size_t len,const char *keylist,const char **ps,size_t *pi,int64_t *pl,int method) { size_t pos; char kl[KEYNAME_LISTSIZ]; strcpy(kl,keylist); pos = decode_rev(b, len, kl); if( !pos ) return 0; switch(method){ case QUERY_STR: return(buf_str(b + pos,len - pos, ps, pi)); case QUERY_INT: return(buf_int(b + pos,len - pos, 'i', 'e', pi)); case QUERY_POS: if(pi) *pi = decode_rev(b + pos, len - pos, (const char*) 0); return pos; case QUERY_LONG: return(buf_long(b + pos,len - pos, 'i', 'e', pl)); default: return 0; } } size_t bencode_buf(const char *buf,size_t len,FILE *fp) { char slen[MAX_INT_SIZ]; if( MAX_INT_SIZ <= snprintf(slen, MAX_INT_SIZ, "%d:", (int)len) ) return 0; if( fwrite( slen, strlen(slen), 1, fp) != 1) return 0; if( fwrite(buf, len, 1, fp) != 1 ) return 0; return 1; } size_t bencode_str(const char *str, FILE *fp) { return bencode_buf(str, strlen(str), fp); } size_t bencode_int(const uint64_t integer, FILE *fp) { char buf[MAX_INT_SIZ]; if( EOF == fputc('i', fp)) return 0; if( MAX_INT_SIZ <= snprintf(buf, MAX_INT_SIZ, "%llu", (unsigned long long)integer) ) return 0; if( fwrite(buf, strlen(buf), 1, fp) != 1 ) return 0; return (EOF == fputc('e', fp)) ? 0: 1; } size_t bencode_begin_dict(FILE *fp) { return (EOF == fputc('d',fp)) ? 0 : 1; } size_t bencode_begin_list(FILE *fp) { return (EOF == fputc('l',fp)) ? 0 : 1; } size_t bencode_end_dict_list(FILE *fp) { return (EOF == fputc('e',fp)) ? 0 : 1; } size_t bencode_path2list(const char *pathname, FILE *fp) { const char *pn; const char *p = pathname; if( bencode_begin_list(fp) != 1 ) return 0; for(; *p;){ pn = strchr(p, PATH_SP); if( pn ){ if( bencode_buf(p, pn - p, fp) != 1) return 0; p = pn + 1; }else{ if( bencode_str(p, fp) != 1) return 0; break; } } return bencode_end_dict_list(fp); } size_t decode_list2path(const char *b, size_t n, char *pathname) { const char *pb = b; const char *s = (char *) 0; size_t r,q; if( 'l' != *pb ) return 0; pb++; n--; if( !n ) return 0; for(; n;){ if(!(r = buf_str(pb, n, &s, &q)) ) return 0; memcpy(pathname, s, q); pathname += q; pb += r; n -= r; if( 'e' != *pb ){*pathname = PATH_SP, pathname++;} else break; } *pathname = '\0'; return (pb - b + 1); } ctorrent-1.3.4.dnh3.3.2/bencode.h0000644000000000000000000000251411227344303016426 0ustar00usergroup00000000000000#ifndef BENCODE_H #define BENCODE_H #include #include #include #define KEY_SP '|' //the keyname list's delimiters #define KEYNAME_SIZ 32 #define KEYNAME_LISTSIZ 256 #define MAX_INT_SIZ 64 #define QUERY_STR 0 #define QUERY_INT 1 #define QUERY_POS 2 #define QUERY_LONG 3 size_t buf_long(const char *b,size_t len,char beginchar,char endchar,int64_t *pi); size_t buf_int(const char *b,size_t len,char beginchar,char endchar,size_t *pi); size_t buf_str(const char *b,size_t len,const char **pstr,size_t* slen); size_t decode_int(const char *b,size_t len); size_t decode_str(const char *b,size_t len); size_t decode_dict(const char *b,size_t len,const char *keylist); size_t decode_list(const char *b,size_t len,const char *keylist); size_t decode_rev(const char *b,size_t len,const char *keylist); size_t decode_query(const char *b,size_t len,const char *keylist,const char **ps,size_t *pi,int64_t *pl,int method); size_t decode_list2path(const char *b, size_t n, char *pathname); size_t bencode_buf(const char *str,size_t len,FILE *fp); size_t bencode_str(const char *str, FILE *fp); size_t bencode_int(const uint64_t integer, FILE *fp); size_t bencode_begin_dict(FILE *fp); size_t bencode_begin_list(FILE *fp); size_t bencode_end_dict_list(FILE *fp); size_t bencode_path2list(const char *pathname, FILE *fp); #endif ctorrent-1.3.4.dnh3.3.2/bitfield.cpp0000644000000000000000000001501011227344303017137 0ustar00usergroup00000000000000#include "config.h" #include "bitfield.h" #ifdef WINDOWS #include #include #else #include #include #endif #include #include #include #include #ifndef HAVE_RANDOM #include "compat.h" #endif const unsigned char BIT_HEX[] = {0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01}; #define _isset(idx) (b[(idx) / 8 ] & BIT_HEX[(idx) % 8]) #define _isempty() (nset == 0) #define _isempty_sp(sp) ((sp).nset == 0) #define _isfull() (nset >= nbits) #define _isfull_sp(sp) ((sp).nset >= nbits) size_t BitField::nbytes = 0; size_t BitField::nbits = 0; BitField::BitField() { b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif memset(b, 0, nbytes); nset = 0; } BitField::BitField(size_t npcs) { nbits = npcs; nbytes = nbits / 8; if( nbits % 8 ) nbytes++; b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif memset(b, 0, nbytes); nset = 0; } BitField::BitField(const BitField &bf) { nset = bf.nset; if( _isfull_sp(bf) ) b = (unsigned char *) 0; else{ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif memcpy(b, bf.b, nbytes); } } void BitField::operator=(const BitField &bf) { nset = bf.nset; if( _isfull_sp(bf) ){ if( b ) { delete []b; b = (unsigned char*) 0; } }else{ if( !b ){ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif } memcpy(b, bf.b, nbytes); } } // _set() sets the bit but doesn't increment nset or set the isfull case. // Use instead of Set() when you know nset is incorrect and will be corrected // afterward (as in Invert or by _recalc), // and either bitfield won't get full or you'll _recalc() afterward to fix it. inline void BitField::_set(size_t idx) { if( idx < nbits && !_isfull() && !_isset(idx) ) b[idx / 8] |= BIT_HEX[idx % 8]; } inline void BitField::_setall(unsigned char *buf) { size_t i; memset(buf,0xFF,nbytes - 1); if( nbits % 8 ){ buf[nbytes - 1] = ~(BIT_HEX[nbits % 8 - 1] - 1); }else buf[nbytes - 1] = (unsigned char) 0xFF; } inline void BitField::_recalc() { // 重新计算 nset 的值 static unsigned char BITS[256] = {0xff}; size_t i; if( BITS[0] ){ // initialize bitcounts size_t j, exp, x; BITS[0] = 0; x = 0; for(i=0; i<8; i++){ exp = 1<= nbits ) return 0; return _isfull() ? 1 : _isset(idx); } void BitField::Set(size_t idx) { if(idx >= nbits) return; if( !_isfull() && !_isset(idx) ){ b[idx / 8] |= BIT_HEX[idx % 8]; nset++; if( _isfull() && b){ delete []b; b = (unsigned char*) 0;} } } void BitField::UnSet(size_t idx) { if( idx >= nbits ) return; if( _isfull() ){ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif _setall(b); b[idx / 8] &= (~BIT_HEX[idx % 8]); nset = nbits - 1; }else{ if( _isset(idx) ){ b[idx / 8] &= (~BIT_HEX[idx % 8]); nset--; } } } void BitField::Invert() { if( _isempty() ){ SetAll(); }else if( _isfull() ){ Clear(); }else{ size_t i = 0; size_t s = nset; for( ; i < nbytes - 1; i++ ) b[i] = ~b[i]; if( nbits % 8 ){ for( i = 8 * (nbytes - 1); i < nbits; i++ ){ if( _isset(i) ) UnSet(i); else _set(i); } }else b[nbytes - 1] = ~b[nbytes - 1]; nset = nbits - s; } } // Combine (Logical "OR") void BitField::Comb(const BitField &bf) { size_t i; if( !_isempty_sp(bf) && !_isfull() ){ if( _isfull_sp(bf) ){ SetAll(); }else if( _isempty() ){ memcpy(b, bf.b, nbytes); nset = bf.nset; }else{ for(i = 0; i < nbytes; i++) b[i] |= bf.b[i]; _recalc(); } } } void BitField::Except(const BitField &bf) { size_t i; if( !_isempty_sp(bf) && !_isempty() ){ if( _isfull_sp(bf) ){ Clear(); }else{ if( _isfull() ){ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif _setall(b); } for(i = 0; i < nbytes; i++) b[i] &= ~bf.b[i]; _recalc(); } } } void BitField::And(const BitField &bf) { size_t i; if( !_isfull_sp(bf) && !_isempty() ){ if( _isempty_sp(bf) ){ Clear(); }else{ if( _isfull() ){ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif memcpy(b, bf.b, nbytes); nset = bf.nset; }else{ for(i = 0; i < nbytes; i++) b[i] &= bf.b[i]; _recalc(); } } } } size_t BitField::Random() const { size_t idx; if( _isfull() ) idx = random() % nbits; else{ size_t i; i = random() % nset + 1; for(idx = 0; idx < nbits && i; idx++) if( _isset(idx) ) i--; idx--; } return idx; } void BitField::SetReferBuffer(char *buf) { if( !b ){ b = new unsigned char[nbytes]; #ifndef WINDOWS if( !b ) throw 9; #endif } memcpy((char*)b,buf,nbytes); if( nbits % 8 ) b[nbytes - 1] &= ~(BIT_HEX[nbits % 8 - 1] - 1); _recalc(); } void BitField::WriteToBuffer(char *buf) { if(_isfull()) _setall((unsigned char*)buf); else memcpy(buf,(char*)b,nbytes); } int BitField::SetReferFile(const char *fname) { FILE *fp; struct stat sb; char *bitbuf = (char*) 0; if(stat(fname, &sb) < 0) return -1; if( sb.st_size != nbytes ) return -1; fp = fopen(fname, "r"); if( !fp ) return -1; bitbuf = new char[nbytes]; #ifndef WINDOWS if( !bitbuf ) goto fclose_err; #endif if( fread(bitbuf, nbytes, 1, fp) != 1 ) goto fclose_err; fclose(fp); SetReferBuffer(bitbuf); delete []bitbuf; return 0; fclose_err: if( bitbuf ) delete []bitbuf; fclose(fp); return -1; } int BitField::WriteToFile(const char *fname) { FILE *fp; char *bitbuf = (char*) 0; fp = fopen(fname, "w"); if( !fp ) return -1; bitbuf = new char[nbytes]; #ifndef WINDOWS if( !bitbuf ) goto fclose_err; #endif WriteToBuffer(bitbuf); if( fwrite(bitbuf, nbytes, 1, fp) != 1 ) goto fclose_err; delete []bitbuf; fclose(fp); return 0; fclose_err: if( bitbuf ) delete []bitbuf; fclose(fp); return -1; } ctorrent-1.3.4.dnh3.3.2/bitfield.h0000644000000000000000000000232211227344303016606 0ustar00usergroup00000000000000#ifndef BITFIELD_H #define BITFIELD_H #include class BitField { private: static size_t nbits; static size_t nbytes; unsigned char *b; size_t nset; void _recalc(); void _setall(unsigned char* buf); void _set(size_t idx); public: BitField(); BitField(size_t n_bits); BitField(const BitField &bf); ~BitField(){ if(b) delete []b; } void operator=(const BitField &bf); void SetAll(); void Clear(); void Set(size_t idx); void UnSet(size_t idx); int IsSet(size_t idx) const; int IsFull() const { return (nset >= nbits) ? 1 : 0; } int IsEmpty() const { return (nset == 0) ? 1 : 0; } size_t Count() const { return nset;} size_t NBytes() const { return nbytes; } size_t NBits() const { return nbits; } size_t Random() const; void Comb(const BitField &bf); void Comb(const BitField *pbf) { if(pbf) Comb(*pbf); } void Except(const BitField &bf); void Except(const BitField *pbf) { if(pbf) Except(*pbf); } void And(const BitField &bf); void And(const BitField *pbf) { if(pbf) And(*pbf); } void Invert(); void SetReferBuffer(char *buf); void WriteToBuffer(char *buf); int SetReferFile(const char *fname); int WriteToFile(const char *fname); }; #endif ctorrent-1.3.4.dnh3.3.2/btconfig.cpp0000644000000000000000000000231411227344303017153 0ustar00usergroup00000000000000#include #include "btconfig.h" size_t cfg_req_slice_size = DEFAULT_SLICE_SIZE; size_t cfg_req_queue_length = 74; size_t cfg_cache_size = 16; size_t cfg_max_peers = 100; size_t cfg_min_peers = 1; unsigned long cfg_listen_ip = 0; int cfg_listen_port = 0; int cfg_max_listen_port = 2706; int cfg_min_listen_port = 2106; char *cfg_public_ip = (char *) 0; int cfg_max_bandwidth_down = 0; int cfg_max_bandwidth_up = 0; time_t cfg_seed_hours = 72; double cfg_seed_ratio = 0; // arguments global value char *arg_metainfo_file = (char*) 0; char *arg_bitfield_file = (char*) 0; char *arg_save_as = (char*) 0; char *arg_user_agent = (char*) 0; unsigned char arg_flg_force_seed_mode = 0; unsigned char arg_flg_check_only = 0; unsigned char arg_flg_exam_only = 0; unsigned char arg_flg_make_torrent = 0; unsigned char arg_flg_private = 0; unsigned char arg_flg_convert_filenames = 0; char *arg_file_to_download = (char *)0; unsigned char arg_verbose = 0; unsigned char arg_allocate = 0; unsigned char arg_daemon = 0; size_t arg_piece_length = 262144; char *arg_announce = (char*) 0; char *arg_comment = (char*) 0; char *arg_ctcs = (char*) 0; char *arg_completion_exit = (char*) 0; char *cfg_user_agent = (char*) 0; ctorrent-1.3.4.dnh3.3.2/btconfig.h0000644000000000000000000000310111227344303016613 0ustar00usergroup00000000000000#ifndef BTCONFIG_H #define BTCONFIG_H #include extern size_t cfg_req_slice_size; #define MAX_METAINFO_FILESIZ (4*1024*1024) #define DEFAULT_SLICE_SIZE (16*1024) // According to specs the max slice size is 128K. While most clients now do // not accept a value that large, we want max compatibility. #define cfg_max_slice_size (128*1024) extern size_t cfg_req_queue_length; #define MAX_PF_LEN 8 #define PEER_ID_LEN 20 #define PEER_PFX "-CD0303-" extern char *cfg_user_agent; // HTTP header extern size_t cfg_cache_size; extern size_t cfg_max_peers; extern size_t cfg_min_peers; extern unsigned long cfg_listen_ip; extern int cfg_listen_port; extern int cfg_max_listen_port; extern int cfg_min_listen_port; extern char *cfg_public_ip; extern time_t cfg_seed_hours; extern double cfg_seed_ratio; extern int cfg_max_bandwidth_down; extern int cfg_max_bandwidth_up; // arguments global value extern char *arg_metainfo_file; extern char *arg_bitfield_file; extern char *arg_save_as; extern char *arg_user_agent; // BT peer ID, not HTTP header extern unsigned char arg_flg_force_seed_mode; extern unsigned char arg_flg_check_only; extern unsigned char arg_flg_exam_only; extern unsigned char arg_flg_make_torrent; extern unsigned char arg_flg_private; extern unsigned char arg_flg_convert_filenames; extern char *arg_file_to_download; extern unsigned char arg_verbose; extern unsigned char arg_allocate; extern unsigned char arg_daemon; extern size_t arg_piece_length; extern char *arg_announce; extern char *arg_comment; extern char *arg_ctcs; extern char *arg_completion_exit; #endif ctorrent-1.3.4.dnh3.3.2/btcontent.cpp0000644000000000000000000013466711227344303017401 0ustar00usergroup00000000000000#include "btcontent.h" #ifdef WINDOWS #include #include #include // include windows sha1 header here. #else #include #include #if defined(USE_STANDALONE_SHA1) #include "sha1.h" #elif defined(HAVE_OPENSSL_SHA_H) #include #elif defined(HAVE_SSL_SHA_H) #include #elif defined(HAVE_SHA_H) #include #endif #endif #include #include #include #include #include #include #include #include "btconfig.h" #include "bencode.h" #include "peer.h" #include "httpencode.h" #include "tracker.h" #include "peerlist.h" #include "ctcs.h" #include "console.h" #include "bttime.h" #ifndef HAVE_RANDOM #include "compat.h" #endif #define meta_str(keylist,pstr,pint) decode_query(b,flen,(keylist),(pstr),(pint),(int64_t*) 0,QUERY_STR) #define meta_int(keylist,pint) decode_query(b,flen,(keylist),(const char**) 0,(pint),(int64_t*) 0,QUERY_INT) #define meta_pos(keylist) decode_query(b,flen,(keylist),(const char**) 0,(size_t*) 0,(int64_t*) 0,QUERY_POS) // Does "ca" overlap the data that lies from roff to rlen? #define CACHE_FIT(ca,roff,rlen) \ (max_uint64_t((ca)->bc_off,(roff)) <= \ min_uint64_t(((ca)->bc_off + (ca)->bc_len - 1),(roff + rlen - 1))) btContent BTCONTENT; static void Sha1(char *ptr,size_t len,unsigned char *dm) { #if defined(USE_STANDALONE_SHA1) SHA1_CTX context; SHA1Init(&context); SHA1Update(&context,(unsigned char*)ptr,len); SHA1Final(dm,&context); #else #ifdef WINDOWS ; #else SHA_CTX context; SHA1_Init(&context); SHA1_Update(&context,(unsigned char*)ptr,len); SHA1_Final(dm,&context); #endif #endif } btContent::btContent() { m_announce = global_piece_buffer = (char*) 0; global_buffer_size = 0; memset(m_announcelist, 0, 9*sizeof(char *)); m_hash_table = (unsigned char *) 0; m_create_date = m_seed_timestamp = (time_t) 0; m_private = 0; m_comment = m_created_by = (char *)0; pBF = (BitField*) 0; pBMasterFilter = (BitField*) 0; pBRefer = (BitField*) 0; pBChecked = (BitField*) 0; pBMultPeer = (BitField*) 0; time(&m_start_timestamp); m_cache_oldest = m_cache_newest = (BTCACHE *)0; m_cache_size = m_cache_used = 0; m_flush_failed = m_flush_tried = (time_t) 0; m_check_piece = 0; m_flushq = (BTFLUSH *)0; m_filters = m_current_filter = (BFNODE *)0; m_prevdlrate = 0; } int btContent::CreateMetainfoFile(const char *mifn) { FILE *fp; fp = fopen(mifn, "r"); if( fp ){ CONSOLE.Warning(1, "error, file \"%s\" already exists.", mifn); return -1; }else if( ENOENT != errno ){ CONSOLE.Warning(1, "error, couldn't create \"%s\".", mifn); return -1; } fp = fopen(mifn, "w"); if( !fp ){ CONSOLE.Warning(1, "error, open \"%s\" failed: %s", mifn, strerror(errno)); return -1; } if( bencode_begin_dict(fp) != 1 ) goto err; // Entries in dictionary must be sorted by key! // announce if( bencode_str("announce", fp) != 1 ) goto err; if( bencode_str(m_announce, fp) != 1 ) goto err; // comment if( arg_comment ){ if( bencode_str("comment", fp) != 1 ) goto err; if( bencode_str(arg_comment, fp) != 1 ) goto err; } // created by if( bencode_str("created by", fp) != 1 ) goto err; if( bencode_str(cfg_user_agent, fp) != 1 ) goto err; // creation date if( bencode_str("creation date", fp) != 1 ) goto err; if( bencode_int(m_create_date, fp) != 1 ) goto err; // info dict if( bencode_str("info", fp) != 1 ) goto err; if( bencode_begin_dict(fp) != 1 ) goto err; { // Entries in dictionary must be sorted by key! // files & name, or length & name if( m_btfiles.FillMetaInfo(fp) != 1 ) goto err; // piece length if( bencode_str("piece length", fp) != 1 ) goto err; if( bencode_int(m_piece_length, fp) != 1 ) goto err; // pieces (hash table) if( bencode_str("pieces", fp) != 1 ) goto err; if( bencode_buf((const char*) m_hash_table, m_hashtable_length, fp) != 1 ) goto err; // private if( arg_flg_private ){ if( bencode_str("private", fp) != 1 ) goto err; if( bencode_int(1, fp) != 1 ) goto err; } if( bencode_end_dict_list(fp) != 1 ) goto err; // end info } if( bencode_end_dict_list(fp) != 1 ) goto err; // end torrent fclose(fp); return 0; err: if( fp ) fclose(fp); return -1; } int btContent::InitialFromFS(const char *pathname, char *ann_url, size_t piece_length) { size_t n, percent; // piece length m_piece_length = piece_length; if( m_piece_length % 65536 ){ m_piece_length /= 65536; m_piece_length *= 65536; } // This is really just a sanity check on the piece length to create. if( !m_piece_length || m_piece_length > 4096*1024 ) m_piece_length = 262144; m_announce = ann_url; m_create_date = time((time_t*) 0); if(m_btfiles.BuildFromFS(pathname) < 0) return -1; global_piece_buffer = new char[m_piece_length]; #ifndef WINDOWS if( !global_piece_buffer ) return -1; #endif global_buffer_size = m_piece_length; // n pieces m_npieces = m_btfiles.GetTotalLength() / m_piece_length; if( m_btfiles.GetTotalLength() % m_piece_length ) m_npieces++; // create hash table. m_hashtable_length = m_npieces * 20; m_hash_table = new unsigned char[m_hashtable_length]; #ifndef WINDOWS if( !m_hash_table ) return -1; #endif percent = m_npieces / 100; if( !percent ) percent = 1; CONSOLE.Interact_n(""); for( n = 0; n < m_npieces; n++ ){ if( GetHashValue(n, m_hash_table + n * 20) < 0 ) return -1; if( n % percent == 0 || n == m_npieces-1 ){ CONSOLE.InteractU("Create hash table: %d/%d", (int)n+1, (int)m_npieces); } } return 0; } int btContent::PrintOut() { CONSOLE.Print("META INFO"); CONSOLE.Print("Announce: %s", m_announce); if( m_announcelist[0] ){ CONSOLE.Print("Alternates:"); for( int n=0; n < 9 && m_announcelist[n]; n++ ) CONSOLE.Print(" %d. %s", n+1, m_announcelist[n]); } if( m_create_date ){ char s[42]; #ifdef HAVE_CTIME_R_3 ctime_r(&m_create_date, s, sizeof(s)); #else ctime_r(&m_create_date, s); #endif if( s[strlen(s)-1] == '\n' ) s[strlen(s)-1] = '\0'; CONSOLE.Print("Created On: %s", s); } CONSOLE.Print("Piece length: %lu", (unsigned long)m_piece_length); if( m_private ) CONSOLE.Print("Private: %s", m_private ? "Yes" : "No"); if( m_comment ){ char *s = new char[strlen(m_comment)+1]; if(s){ strcpy(s, m_comment); for(char *t=s; *t; t++) if( !isprint(*t) && !strchr("\t\r\n", *t) ) *t = '?'; CONSOLE.Print("Comment: %s", s); delete []s; } } if( m_created_by ) CONSOLE.Print("Created with: %s", m_created_by); m_btfiles.PrintOut(); return 0; } int btContent::PrintFiles() { m_btfiles.PrintOut(); return 0; } int btContent::InitialFromMI(const char *metainfo_fname,const char *saveas) { #define ERR_RETURN() {if(b) delete []b; return -1;} unsigned char *ptr = m_shake_buffer; char *b; const char *s; size_t flen, q, r; int tmp; m_cache_hit = m_cache_miss = m_cache_pre = 0; time(&m_cache_eval_time); b = _file2mem(metainfo_fname,&flen); if ( !b ) return -1; // announce if( !meta_str("announce",&s,&r) ) ERR_RETURN(); if( r > MAXPATHLEN ) ERR_RETURN(); m_announce = new char [r + 1]; memcpy(m_announce, s, r); m_announce[r] = '\0'; // announce-list if( r = meta_pos("announce-list") ){ const char *sptr; size_t slen, n=0; if( q = decode_list(b+r, flen-r, (char *)0) ){ int alend = r + q; r++; // 'l' for( ; r < alend && *(b+r) != 'e' && n < 9; ){ // each list if( !(q = decode_list(b+r, alend-r, (char *)0)) ) break; r++; // 'l' for( ; r < alend && n < 9; ){ // each value if( !(q = buf_str(b+r, alend-r, &sptr, &slen)) ) break; // next list r += q; if( strncasecmp(m_announce, sptr, slen) ){ m_announcelist[n] = new char[slen+1]; memcpy(m_announcelist[n], sptr, slen); (m_announcelist[n])[slen] = '\0'; n++; } } r++; // 'e' } } } if( meta_int("creation date", &r) ) m_create_date = (time_t) r; if( meta_str("comment", &s, &r) && r ){ if( m_comment = new char[r + 1] ){ memcpy(m_comment, s, r); m_comment[r] = '\0'; } } if( meta_str("created by", &s, &r) && r ){ if( m_created_by = new char[r + 1] ){ memcpy(m_created_by, s, r); m_created_by[r] = '\0'; } } // infohash if( !(r = meta_pos("info")) ) ERR_RETURN(); if( !(q = decode_dict(b + r, flen - r, (char *) 0)) ) ERR_RETURN(); Sha1(b + r, q, m_shake_buffer + 28); // private flag if( meta_int("info|private", &r) ) m_private = r; // hash table if( !meta_str("info|pieces",&s,&m_hashtable_length) || m_hashtable_length % 20 != 0 ) ERR_RETURN(); if( !arg_flg_exam_only ){ m_hash_table = new unsigned char[m_hashtable_length]; #ifndef WINDOWS if( !m_hash_table ) ERR_RETURN(); #endif memcpy(m_hash_table, s, m_hashtable_length); } if( !meta_int("info|piece length",&m_piece_length) ) ERR_RETURN(); m_npieces = m_hashtable_length / 20; if( m_piece_length < cfg_req_slice_size ) cfg_req_slice_size = m_piece_length; cfg_req_queue_length = (m_piece_length / cfg_req_slice_size) * 2 - 1; if( m_btfiles.BuildFromMI(b, flen, saveas) < 0 ) ERR_RETURN(); delete []b; b = (char *)0; if( arg_flg_exam_only ){ PrintOut(); return 0; }else{ arg_flg_exam_only = 1; PrintOut(); arg_flg_exam_only = 0; } if( (tmp = m_btfiles.CreateFiles()) < 0 ) ERR_RETURN(); r = tmp; if( !arg_flg_exam_only ){ global_piece_buffer = new char[DEFAULT_SLICE_SIZE]; #ifndef WINDOWS if( !global_piece_buffer ) ERR_RETURN(); #endif global_buffer_size = DEFAULT_SLICE_SIZE; pBF = new BitField(m_npieces); #ifndef WINDOWS if( !pBF ) ERR_RETURN(); #endif pBRefer = new BitField(m_npieces); #ifndef WINDOWS if( !pBRefer ) ERR_RETURN(); #endif pBChecked = new BitField(m_npieces); #ifndef WINDOWS if( !pBChecked ) ERR_RETURN(); #endif pBMultPeer = new BitField(m_npieces); #ifndef WINDOWS if( !pBMultPeer ) ERR_RETURN(); #endif //create the file filter pBMasterFilter = new BitField(m_npieces); #ifndef WINDOWS if( !pBMasterFilter ) ERR_RETURN(); #endif if( arg_file_to_download ) SetFilter(); } m_left_bytes = m_btfiles.GetTotalLength() / m_piece_length; if( m_btfiles.GetTotalLength() % m_piece_length ) m_left_bytes++; if( m_left_bytes != m_npieces ) ERR_RETURN(); m_left_bytes = m_btfiles.GetTotalLength(); if( arg_flg_check_only ){ struct stat sb; if( stat(arg_bitfield_file, &sb) == 0 ){ if( remove(arg_bitfield_file) < 0 ){ CONSOLE.Warning(2, "warn, couldn't delete bit field file \"%s\": %s", arg_bitfield_file, strerror(errno)); } } if( r ){ if( CheckExist() < 0 ) ERR_RETURN(); if( !pBF->IsEmpty() ) m_btfiles.PrintOut(); // show file completion } CONSOLE.Print("Already/Total: %d/%d (%d%%)", (int)(pBF->Count()), (int)m_npieces, (int)(100 * pBF->Count() / m_npieces)); if( !arg_flg_force_seed_mode ){ SaveBitfield(); if( arg_completion_exit ) CompletionCommand(); exit(0); } }else if( r ){ // files exist already if( pBRefer->SetReferFile(arg_bitfield_file) < 0 ){ if( !arg_flg_force_seed_mode ){ CONSOLE.Warning(2, "warn, couldn't set bit field refer file \"%s\": %s", arg_bitfield_file, strerror(errno)); CONSOLE.Warning(2, "This is normal if you are seeding."); } pBRefer->SetAll(); // need to check all pieces }else{ CONSOLE.Interact("Found bit field file; %s previous state.", arg_flg_force_seed_mode ? "resuming download from" : "verifying"); if( unlink(arg_bitfield_file) < 0 ){ CONSOLE.Warning(2, "warn, couldn't delete bit field file \"%s\": %s", arg_bitfield_file, strerror(errno)); } // Mark missing pieces as "checked" (eligible for download). *pBChecked = *pBRefer; pBChecked->Invert(); } } if( !r ){ // don't hash-check if the files were just created m_check_piece = m_npieces; pBChecked->SetAll(); if( arg_flg_force_seed_mode ){ CONSOLE.Warning(2, "Files were not present; overriding force mode!"); } }else if( arg_flg_force_seed_mode && !arg_flg_check_only ){ size_t idx = 0; *pBF = *pBRefer; if( pBF->IsFull() ){ CONSOLE.Interact("Skipping hash checks and forcing seed mode."); CONSOLE.Interact( "-----> STOP NOW if you have not downloaded the whole torrent! <-----"); m_left_bytes = 0; }else for( ; idx < m_npieces; idx++ ){ if( pBF->IsSet(idx) ) m_left_bytes -= GetPieceLength(idx); } m_check_piece = m_npieces; pBChecked->SetAll(); } delete pBRefer; m_cache = new BTCACHE *[m_npieces]; if( !m_cache ){ CONSOLE.Warning(1, "error, allocate cache index failed"); ERR_RETURN(); } memset(m_cache, 0, m_npieces * sizeof(BTCACHE*)); CacheConfigure(); *ptr = (unsigned char) 19; ptr++; // protocol string length memcpy(ptr,"BitTorrent protocol",19); ptr += 19; // protocol string memset(ptr,0,8); // reserved set zero. { // peer id char *sptr = arg_user_agent; char *dptr = (char *)m_shake_buffer + 48; char *eptr = dptr + PEER_ID_LEN; while (*sptr) *dptr++ = *sptr++; while (dptr < eptr) *dptr++ = (unsigned char)random(); } if( arg_announce ){ int n; delete []m_announce; if( (n = atoi(arg_announce)) && n <= 9 && m_announcelist[n-1] ) m_announce = m_announcelist[n-1]; else m_announce = arg_announce; CONSOLE.Print("Using announce URL: %s", m_announce); } return 0; } btContent::~btContent() { if(m_hash_table) delete []m_hash_table; if(m_announce) delete []m_announce; if(global_piece_buffer) delete []global_piece_buffer; if(pBF) delete pBF; } void btContent::_Set_InfoHash(unsigned char buf[20]) { memcpy(m_shake_buffer + 28, buf, 20); } // returns <0 if error; if using cache: 1 if read from disk, 0 otherwise ssize_t btContent::ReadSlice(char *buf,size_t idx,size_t off,size_t len) { ssize_t retval = 0; uint64_t offset = (uint64_t)idx * (uint64_t)m_piece_length + off; if( !m_cache_size ) return buf ? m_btfiles.IO(buf, offset, len, 0) : 0; else{ size_t len2; BTCACHE *p; p = m_cache[idx]; while( len && p ){ while( p && offset + len > p->bc_off && !CACHE_FIT(p, offset, len) ){ p = p->bc_next; } if( !p || !CACHE_FIT(p, offset, len) ) break; if( offset < p->bc_off ){ len2 = p->bc_off - offset; if( CacheIO(buf, offset, len2, 0) < 0 ) return -1; retval = 1; if(buf) m_cache_miss += len2 / DEFAULT_SLICE_SIZE + ((len2 % DEFAULT_SLICE_SIZE) ? 1 : 0); else m_cache_pre += len2 / DEFAULT_SLICE_SIZE + ((len2 % DEFAULT_SLICE_SIZE) ? 1 : 0); p = m_cache[idx]; // p may not be valid after CacheIO }else{ char *src; if( offset > p->bc_off ){ len2 = p->bc_off + p->bc_len - offset; if( len2 > len ) len2 = len; src = p->bc_buf + offset - p->bc_off; }else{ len2 = (len > p->bc_len) ? p->bc_len : len; src = p->bc_buf; } if( buf ){ memcpy(buf, src, len2); m_cache_hit += len2 / DEFAULT_SLICE_SIZE + ((len2 % DEFAULT_SLICE_SIZE) ? 1 : 0); }else{ // prefetch only, update the age if( m_cache_newest != p ){ if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; p->age_next->age_prev = p->age_prev; m_cache_newest->age_next = p; p->age_next = (BTCACHE *)0; p->age_prev = m_cache_newest; m_cache_newest = p; } } p = p->bc_next; } if( buf ) buf += len2; offset += len2; len -= len2; }// end for; if( len ){ if(buf) m_cache_miss += len / DEFAULT_SLICE_SIZE + ((len % DEFAULT_SLICE_SIZE) ? 1 : 0); else m_cache_pre += len / DEFAULT_SLICE_SIZE + ((len % DEFAULT_SLICE_SIZE) ? 1 : 0); retval = CacheIO(buf, offset, len, 0); return (retval < 0) ? retval : 1; } } return retval; } void btContent::CacheClean(size_t need) { BTCACHE *p, *pnext; int f_flush = 0; if( m_flush_failed ) FlushCache(); // try again again: for( p=m_cache_oldest; p && m_cache_size < m_cache_used + need; p=pnext ){ pnext = p->age_next; if( f_flush ){ if(arg_verbose) CONSOLE.Debug("Flushing %d/%d/%d", (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len)); FlushEntry(p); } if( !p->bc_f_flush ){ if(arg_verbose) CONSOLE.Debug("Expiring %d/%d/%d", (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len)); if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; if( m_cache_newest == p ) m_cache_newest = p->age_prev; else p->age_next->age_prev = p->age_prev; if( p->bc_prev ) p->bc_prev->bc_next = p->bc_next; else m_cache[p->bc_off / m_piece_length] = p->bc_next; if( p->bc_next ) p->bc_next->bc_prev = p->bc_prev; m_cache_used -= p->bc_len; delete []p->bc_buf; delete p; } } if( m_cache_size < m_cache_used + need ){ // still not enough if( m_cache_size < cfg_cache_size*1024*1024 ){ // can alloc more m_cache_size = (m_cache_used + need > cfg_cache_size*1024*1024) ? cfg_cache_size*1024*1024 : (m_cache_used + need); } if( m_cache_size < m_cache_used + need && m_cache_used && !f_flush ){ if(arg_verbose) CONSOLE.Debug("CacheClean flushing to obtain space"); f_flush = 1; goto again; } // else we tried... } } // Don't call this function if cfg_cache_size==0 ! void btContent::CacheEval() { BTCACHE *p = m_cache_oldest; size_t interval; size_t unflushed = 0, dlnext, upadd = 0, upmax = 0, upmin = 0, total; size_t rateup = Self.RateUL(); size_t ratedn = Self.RateDL(); size_t unchoked = WORLD.GetUnchoked(); // Time until next cache size eval: unchoke interval or time to dl a piece. if( ratedn ){ interval = m_piece_length / ratedn; if( interval > WORLD.GetUnchokeInterval() ) interval = WORLD.GetUnchokeInterval(); else if( 0==interval ) interval = 1; }else interval = WORLD.GetUnchokeInterval(); // Download: total unflushed data + data to dl before next eval // Hold the first piece a bit to let uploading begin. if( pBF->IsFull() ) dlnext = 0; else{ if( pBF->Count() < 2 ) unflushed = m_cache_used; else for( ; p; p = p->age_next ) if( p->bc_f_flush ) unflushed += p->bc_len; // Make sure we can read back and check a completed piece. // But free some cache if download has completely stalled. dlnext = ratedn ? (ratedn * interval + m_piece_length) : 0; } // Upload: need enough to hold read/dl'd data until it can be sent upmin = DEFAULT_SLICE_SIZE * unchoked; upmax = cfg_cache_size*1024*1024; if( pBF->IsFull() ){ // Seed mode. All cache data is prefetched, and we don't normally need to // keep prefetched data longer than 2.5 unchoke intervals. if( rateup && unchoked ){ // A very slow peer can't possibly benefit from cache--don't grow for it. size_t slowest = (size_t)( 1 + DEFAULT_SLICE_SIZE / ((double)cfg_cache_size*1024*1024 / rateup) ); // Lead cache: data we need to cache to keep the slowest up's data cached // Add a slice per up for timing uncertainty if( slowest = WORLD.GetSlowestUp(slowest) ) upadd = DEFAULT_SLICE_SIZE * ( rateup / slowest + unchoked-1 ); else upadd = DEFAULT_SLICE_SIZE * unchoked; upmin = DEFAULT_SLICE_SIZE * unchoked; upmax = (size_t)( DEFAULT_SLICE_SIZE * (unchoked-1) + rateup * 2.5 * WORLD.GetUnchokeInterval() ); } }else{ if( rateup > ratedn ){ size_t slowest = (size_t)( 1 + cfg_req_slice_size * ((double)ratedn / cfg_cache_size*1024*1024) + DEFAULT_SLICE_SIZE * ((double)rateup / cfg_cache_size*1024*1024) ); if( slowest = WORLD.GetSlowestUp(slowest) ) // lead cache is how much we'll use while uploading a slice to slowest // (default_slice_size / slowest) * (ratedn + rateup) upadd = (size_t)( ((double)DEFAULT_SLICE_SIZE / slowest) * (ratedn + rateup + 1) ); else upadd = m_piece_length * unchoked; } else if( rateup ){ // same as m_piece_length / (cfg_cache_size*1024*1024 / (double)ratedn) size_t slowest = (size_t)( 1 + ratedn * ((double)m_piece_length / (cfg_cache_size*1024*1024)) ); if( slowest = WORLD.GetSlowestUp(slowest) ){ // m_piece_length / (double)slowest * ratedn // optimize, then round up a piece and add a piece upadd = m_piece_length * (ratedn / slowest + 2); }else{ // gimme 10 seconds worth (unchoke interval) // Can't keep pieces in cache long enough to upload them. // Rely on prefetching slices from disk instead. upadd = ratedn * WORLD.GetUnchokeInterval() + DEFAULT_SLICE_SIZE * unchoked; } } } if( upadd < upmin ) upadd = upmin; // Add a slice to round up total = unflushed + dlnext + upadd + cfg_req_slice_size; // Limit to max configured size if( total > cfg_cache_size*1024*1024 ) total = cfg_cache_size*1024*1024; // Don't decrease cache size if flush failed. if( !m_flush_failed || total > m_cache_size ) m_cache_size = total; if(arg_verbose) CONSOLE.Debug("DL need: %dK UL need: %dK Cache: %dK Used: %dK", (int)((unflushed+dlnext)/1024), (int)(upadd/1024), (int)(m_cache_size/1024), (int)(m_cache_used/1024)); m_cache_eval_time = now + interval; } void btContent::CacheConfigure() { if( cfg_cache_size ){ if( cfg_cache_size > GetTotalFilesLength()/1024/1024 ) cfg_cache_size = (GetTotalFilesLength()+1024*1024-1)/1024/1024; CacheEval(); }else m_cache_size = 0; if( m_cache_size < m_cache_used && !m_flush_failed ) CacheClean(0); } int btContent::NeedFlush() const { if( m_flush_failed ){ if( now > m_flush_tried ) return 1; }else return (m_flushq || (m_cache_oldest && m_cache_oldest->bc_f_flush && m_cache_used >= cfg_cache_size*1024*1024-cfg_req_slice_size+1)) ? 1 : 0; } void btContent::FlushCache() { if(arg_verbose) CONSOLE.Debug("Flushing all cache"); for( int i=0; i < m_npieces; i++ ){ if( m_cache[i] ) FlushPiece(i); if( m_flush_failed ) break; } } void btContent::FlushPiece(size_t idx) { BTCACHE *p; p = m_cache[idx]; for( ; p; p = p->bc_next ){ // Update the age if piece is complete, as this should mean we've just // completed the piece and made it available. if( pBF->IsSet(idx) && m_cache_newest != p ){ if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; p->age_next->age_prev = p->age_prev; m_cache_newest->age_next = p; p->age_next = (BTCACHE *)0; p->age_prev = m_cache_newest; m_cache_newest = p; } if( p->bc_f_flush ) FlushEntry(p); } } void btContent::FlushEntry(BTCACHE *p) { if( p->bc_f_flush ){ if( m_btfiles.IO(p->bc_buf, p->bc_off, p->bc_len, 1) < 0 ){ m_flush_tried = now; if( now >= m_flush_failed + 300 ){ if( !m_flush_failed ) m_cache_size += cfg_req_slice_size * WORLD.GetDownloads() * 2; CONSOLE.Warning(1, "warn, write file failed while flushing cache."); CONSOLE.Warning(1, "You need to have at least %llu bytes free on this filesystem!", (unsigned long long)(m_left_bytes + m_cache_used)); CONSOLE.Warning(1, "This could also be caused by a conflict or disk error."); if( !IsFull() || (!m_flush_failed && m_cache_size > cfg_cache_size*1024*1024) ){ CONSOLE.Warning(1, "Temporarily %s%s...", IsFull() ? "" : "suspending download", (!m_flush_failed && m_cache_size > cfg_cache_size*1024*1024) ? (IsFull() ? " and increasing cache" : "increasing cache") : ""); } m_flush_failed = now; WORLD.StopDownload(); } }else{ p->bc_f_flush = 0; if( Seeding() ){ for( size_t n=1; n <= m_btfiles.GetNFiles(); n++ ) m_btfiles.CloseFile(n); // files will reopen read-only } if(m_flush_failed){ m_flush_failed = 0; CONSOLE.Warning(3, "Flushing cache succeeded%s.", Seeding() ? "" : "; resuming download"); CacheConfigure(); WORLD.CheckInterest(); } } } } void btContent::Uncache(size_t idx) { BTCACHE *p, *pnext; p = m_cache[idx]; for( ; p; p = pnext ){ pnext = p->bc_next; if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; if( m_cache_newest == p ) m_cache_newest = p->age_prev; else p->age_next->age_prev = p->age_prev; m_cache_used -= p->bc_len; delete []p->bc_buf; delete p; } m_cache[idx] = (BTCACHE *)0; } void btContent::FlushQueue() { if( m_flushq ){ if(arg_verbose) CONSOLE.Debug("Writing piece #%d to disk", (int)(m_flushq->idx)); FlushPiece(m_flushq->idx); if( !m_flush_failed ){ BTFLUSH *goner = m_flushq; m_flushq = m_flushq->next; delete goner; } }else{ if(arg_verbose) CONSOLE.Debug("Flushing %d/%d/%d", (int)(m_cache_oldest->bc_off / m_piece_length), (int)(m_cache_oldest->bc_off % m_piece_length), (int)(m_cache_oldest->bc_len)); FlushEntry(m_cache_oldest); } } /* Prepare for prefetching a whole piece. return -1: do not prefetch (problem or not needed) return 0: already ready (no time used) return 1: data was flushed (time used) */ int btContent::CachePrep(size_t idx) { int retval = 0; BTCACHE *p, *pnext; size_t need = GetPieceLength(idx); if( m_cache_size < m_cache_used + need ){ for( p=m_cache[idx]; p; p=p->bc_next ) need -= p->bc_len; if( 0==need ) retval = -1; // don't need to prefetch for( p=m_cache_oldest; p && m_cache_size < m_cache_used + need; p=pnext ){ pnext = p->age_next; if( p->bc_off / m_piece_length == idx ) continue; if( p->bc_f_flush ){ if(arg_verbose) CONSOLE.Debug("Flushing %d/%d/%d", (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len)); FlushEntry(p); retval = 1; } if(arg_verbose) CONSOLE.Debug("Expiring %d/%d/%d", (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len)); if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; if( m_cache_newest == p ) m_cache_newest = p->age_prev; else p->age_next->age_prev = p->age_prev; if( p->bc_prev ) p->bc_prev->bc_next = p->bc_next; else m_cache[p->bc_off / m_piece_length] = p->bc_next; if( p->bc_next ) p->bc_next->bc_prev = p->bc_prev; m_cache_used -= p->bc_len; delete []p->bc_buf; delete p; } } return retval; } ssize_t btContent::WriteSlice(char *buf,size_t idx,size_t off,size_t len) { uint64_t offset = (uint64_t)idx * (uint64_t)m_piece_length + off; //CONSOLE.Debug("Offset-write: %llu - Piece:%lu", // (unsigned long long)offset, (unsigned long)idx); if( !m_cache_size ) return m_btfiles.IO(buf, offset, len, 1); else{ size_t len2; BTCACHE *p; p = m_cache[idx]; while( len && p ){ while( p && offset + len > p->bc_off && !CACHE_FIT(p, offset, len) ){ p = p->bc_next; } if( !p || !CACHE_FIT(p, offset, len) ) break; if( offset < p->bc_off ){ len2 = p->bc_off - offset; if( CacheIO(buf, offset, len2, 1) < 0 ) return -1; p = m_cache[idx]; // p may not be valid after CacheIO }else{ if( offset > p->bc_off ){ len2 = p->bc_off + p->bc_len - offset; if( len2 > len ) len2 = len; memcpy(p->bc_buf + (offset - p->bc_off), buf, len2); }else{ len2 = (len > p->bc_len) ? p->bc_len : len; memcpy(p->bc_buf, buf, len2); } p->bc_f_flush = 1; // re-received this data, make it new again if( m_cache_newest != p ){ if( m_cache_oldest == p ) m_cache_oldest = p->age_next; else p->age_prev->age_next = p->age_next; p->age_next->age_prev = p->age_prev; m_cache_newest->age_next = p; p->age_next = (BTCACHE *)0; p->age_prev = m_cache_newest; m_cache_newest = p; } p = p->bc_next; } buf += len2; offset += len2; len -= len2; }// end for; if( len ) return CacheIO(buf, offset, len, 1); } return 0; } ssize_t btContent::CacheIO(char *buf, uint64_t off, size_t len, int method) { BTCACHE *p; BTCACHE *pp = (BTCACHE*) 0; BTCACHE *pnew = (BTCACHE*) 0; if( len >= cfg_cache_size*1024*768 ){ // 75% of cache limit if( buf ) return m_btfiles.IO(buf, off, len, method); else return 0; } if(arg_verbose && 0==method) CONSOLE.Debug("Read to %s %d/%d/%d", buf?"buffer":"cache", (int)(off / m_piece_length), (int)(off % m_piece_length), (int)len); if( m_cache_size < m_cache_used + len ) CacheClean(len); // Note, there is no failure code from CacheClean(). If nothing can be done // to increase the cache size, we allocate what we need anyway. if( 0==method && buf && m_btfiles.IO(buf, off, len, method) < 0 ) return -1; pnew = new BTCACHE; #ifndef WINDOWS if( !pnew ) return (method && buf) ? m_btfiles.IO(buf, off, len, method) : 0; #endif pnew->bc_buf = new char[len]; #ifndef WINDOWS if( !(pnew->bc_buf) ){ delete pnew; return (method && buf) ? m_btfiles.IO(buf, off, len, method) : 0; } #endif if( buf ) memcpy(pnew->bc_buf, buf, len); else if( 0==method && m_btfiles.IO(pnew->bc_buf, off, len, method) < 0 ){ delete []pnew->bc_buf; delete pnew; return -1; } pnew->bc_off = off; pnew->bc_len = len; pnew->bc_f_flush = method; m_cache_used += len; pnew->age_next = (BTCACHE *)0; if( m_cache_newest ){ pnew->age_prev = m_cache_newest; m_cache_newest->age_next = pnew; }else{ pnew->age_prev = (BTCACHE *)0; m_cache_oldest = pnew; } m_cache_newest = pnew; // find insert point: after pp, before p. size_t idx = off / m_piece_length; p = m_cache[idx]; if( p ) pp = p->bc_prev; for( ; p && off > p->bc_off; pp = p, p = pp->bc_next ); pnew->bc_next = p; pnew->bc_prev = pp; if( pp ) pp->bc_next = pnew; if( p ) p->bc_prev = pnew; if( !m_cache[idx] || off < m_cache[idx]->bc_off ) m_cache[idx] = pnew; return 0; } ssize_t btContent::ReadPiece(char *buf,size_t idx) { return ReadSlice(buf, idx, 0, GetPieceLength(idx)); } size_t btContent::GetPieceLength(size_t idx) { // Slight optimization to avoid division in every call. The second test is // still needed in case the torrent size is exactly n pieces. return (idx == m_npieces - 1 && idx == m_btfiles.GetTotalLength() / m_piece_length) ? (size_t)(m_btfiles.GetTotalLength() % m_piece_length) : m_piece_length; } int btContent::CheckExist() { size_t idx = 0; size_t percent = GetNPieces() / 100; unsigned char md[20]; if( !percent ) percent = 1; CONSOLE.Interact_n(""); for( ; idx < m_npieces; idx++ ){ if( GetHashValue(idx, md) < 0 ){ CONSOLE.Warning(1, "Error while checking piece %d of %d", (int)idx+1, (int)m_npieces); return -1; } if( memcmp(md, m_hash_table + idx * 20, 20) == 0 ){ m_left_bytes -= GetPieceLength(idx); pBF->Set(idx); } if( idx % percent == 0 || idx == m_npieces-1 ) CONSOLE.InteractU("Check exist: %d/%d", idx+1, m_npieces); } m_check_piece = m_npieces; pBChecked->SetAll(); return 0; } int btContent::CheckNextPiece() { size_t idx = m_check_piece; unsigned char md[20]; int f_checkint = 0; if( idx >= m_npieces ) return 0; if( pBChecked->IsSet(idx) ){ while( idx < m_npieces && pBChecked->IsSet(idx) ){ if(arg_verbose) CONSOLE.Debug("Check: %u skipped", idx); pBChecked->Set(idx); ++idx; } f_checkint = 1; m_check_piece = idx; } if( idx < m_npieces ){ // Don't use the cache for this (looks a bit ugly but helps performance). size_t tmp_cache_size = m_cache_size; m_cache_size = 0; int r = GetHashValue(idx, md); m_cache_size = tmp_cache_size; if( r < 0 ) return -1; pBChecked->Set(idx); // need to set before CheckInterest below if( memcmp(md, m_hash_table + idx * 20, 20) == 0 ){ if(arg_verbose) CONSOLE.Debug("Check: %u ok", idx); m_left_bytes -= GetPieceLength(idx); pBF->Set(idx); WORLD.Tell_World_I_Have(idx); }else{ if(arg_verbose) CONSOLE.Debug("Check: %u failed", idx); f_checkint = 1; } m_check_piece = idx + 1; } if( f_checkint ) WORLD.CheckInterest(); if( m_check_piece >= m_npieces ){ CONSOLE.Print("Checking completed."); if( !pBF->IsEmpty() ) m_btfiles.PrintOut(); // show file completion if( pBF->IsFull() ){ WORLD.CloseAllConnectionToSeed(); } } return 0; } char* btContent::_file2mem(const char *fname, size_t *psiz) { char *b = (char*) 0; struct stat sb; FILE* fp; fp = fopen(fname,"r"); if( !fp ){ CONSOLE.Warning(1, "error, open \"%s\" failed: %s",fname,strerror(errno)); return (char*) 0; } if(stat(fname,&sb) < 0){ CONSOLE.Warning(1, "error, stat \"%s\" failed: %s",fname,strerror(errno)); return (char*) 0; } if( sb.st_size > MAX_METAINFO_FILESIZ ){ CONSOLE.Warning(1, "error, \"%s\" is really a metainfo file???",fname); return (char*) 0; } b = new char[sb.st_size]; #ifndef WINDOWS if( !b ) return (char*) 0; #endif if(fread(b, sb.st_size, 1, fp) != 1){ if( ferror(fp) ){ delete []b; return (char*) 0; } } fclose(fp); if(psiz) *psiz = sb.st_size; return b; } int btContent::APieceComplete(size_t idx) { unsigned char md[20]; if(pBF->IsSet(idx)) return 1; if( GetHashValue(idx, md) < 0 ){ // error reading data Uncache(idx); return -1; } if( memcmp(md,(m_hash_table + idx * 20), 20) != 0 ){ CONSOLE.Warning(3, "warn, piece %d hash check failed.", idx); Uncache(idx); CountHashFailure(); return 0; } pBF->Set(idx); m_left_bytes -= GetPieceLength(idx); Tracker.CountDL(GetPieceLength(idx)); // Add the completed piece to the flush queue. if( cfg_cache_size ){ if( IsFull() ){ FlushCache(); for( size_t n=1; n <= m_btfiles.GetNFiles(); n++ ) m_btfiles.CloseFile(n); // files will reopen read-only } if( !IsFull() || m_flush_failed ){ BTFLUSH *last = m_flushq; BTFLUSH *node = new BTFLUSH; if( !node ) FlushPiece(idx); else{ node->idx = idx; node->next = (BTFLUSH *)0; if( last ){ for( ; last->next; last = last->next); last->next = node; }else m_flushq = node; } } } return 1; } int btContent::GetHashValue(size_t idx,unsigned char *md) { if( global_buffer_size < m_piece_length ){ delete []global_piece_buffer; global_piece_buffer = new char[m_piece_length]; global_buffer_size = global_piece_buffer ? m_piece_length : 0; } if( ReadPiece(global_piece_buffer,idx) < 0 ) return -1; Sha1(global_piece_buffer,GetPieceLength(idx),md); return 0; } // This is btcontent's "IntervalCheck()" int btContent::SeedTimeout() { uint64_t dl; size_t oldrate = m_prevdlrate; if( Seeding() && (!m_flush_failed || IsFull()) ){ if( !m_seed_timestamp ){ if( IsFull() ){ Tracker.Reset(15); ReleaseHashTable(); } Self.ResetDLTimer(); // set/report dl rate = 0 m_prevdlrate = 0; m_seed_timestamp = now; for( size_t n=1; n <= m_btfiles.GetNFiles(); n++ ) m_btfiles.CloseFile(n); // files will reopen read-only // Free global buffer prior to CompletionCommand fork (reallocate after). delete []global_piece_buffer; global_piece_buffer = (char *)0; if( Self.TotalDL() > 0 ){ CONSOLE.Print("Download complete."); CONSOLE.Print("Total time used: %ld minutes.", (long)((now - m_start_timestamp) / 60)); if(arg_verbose) CONSOLE.cpu(); if( arg_completion_exit ) CompletionCommand(); } // Reallocate global buffer for uploading. global_piece_buffer = new char[DEFAULT_SLICE_SIZE]; global_buffer_size = global_piece_buffer ? DEFAULT_SLICE_SIZE : 0; if(arg_ctcs) CTCS.Send_Status(); CONSOLE.Print_n("Seed for others %lu hours", (unsigned long)cfg_seed_hours); if( cfg_seed_ratio ) CONSOLE.Print_n(" or to ratio of %.2f", cfg_seed_ratio); CONSOLE.Print(""); }else if( now < m_seed_timestamp ) m_seed_timestamp = now; dl = (Self.TotalDL() > 0) ? Self.TotalDL() : GetTotalFilesLength(); if( (cfg_seed_ratio == 0 && cfg_seed_hours == 0) || (cfg_seed_hours > 0 && (now - m_seed_timestamp) >= (cfg_seed_hours * 60 * 60)) || (cfg_seed_ratio > 0 && cfg_seed_ratio <= (double) Self.TotalUL() / dl) ){ if( m_flush_failed ){ if( !WORLD.IsPaused() ){ CONSOLE.Warning(1, "Seeding completed but cache flush failed; pausing..."); WORLD.Pause(); } }else return 1; } }else{ m_prevdlrate = Self.RateDL(); if( m_prevdlrate == 0 && oldrate > 0 && global_buffer_size > DEFAULT_SLICE_SIZE ){ delete []global_piece_buffer; global_piece_buffer = new char[DEFAULT_SLICE_SIZE]; global_buffer_size = global_piece_buffer ? DEFAULT_SLICE_SIZE : 0; } } if( (cfg_cache_size && now >= m_cache_eval_time) || (oldrate == 0 && m_prevdlrate > 0) ){ CacheEval(); } return 0; } void btContent::CompletionCommand() { char *pt, *pd, *pw, *cmdstr; int nt=0, nd=0, nw=0; pt = pd = pw = arg_completion_exit; while( pt = strstr(pt, "&t") ){ nt++; pt+=2; } while( pd = strstr(pd, "&d") ){ nd++; pd+=2; } while( pw = strstr(pw, "&w") ){ nw++; pw+=2; } if( nt || nd || nw ){ char wd[MAXPATHLEN], *ptmp, *parg = arg_completion_exit; if( nw && !getcwd(wd, MAXPATHLEN) ){ CONSOLE.Warning(2, "warn, couldn't get working directory: %s", strerror(errno)); return; } cmdstr = new char[1 + strlen(arg_completion_exit) + nt * (strlen(arg_metainfo_file) - 2) + nd * (strlen(m_btfiles.GetDataName()) - 2) + nw * (strlen(wd) - 2)]; if( !cmdstr ){ CONSOLE.Warning(2, "warn, failed to allocate memory for completion command"); return; } strcpy(cmdstr, arg_completion_exit); pt = strstr(cmdstr, "&t"); pd = strstr(cmdstr, "&d"); pw = strstr(cmdstr, "&w"); while( pt || pd || pw ){ if( pt && (!pd || pt < pd) && (!pw || pt < pw) ){ strcpy(pt, arg_metainfo_file); ptmp = cmdstr + strlen(cmdstr); parg = strstr(parg, "&t") + 2; strcat(pt, parg); pt = strstr(ptmp, "&t"); if( pd ) pd = strstr(ptmp, "&d"); if( pw ) pw = strstr(ptmp, "&w"); } if( pd && (!pt || pd < pt) && (!pw || pd < pw) ){ strcpy(pd, m_btfiles.GetDataName()); ptmp = cmdstr + strlen(cmdstr); parg = strstr(parg, "&d") + 2; strcat(pd, parg); pd = strstr(ptmp, "&d"); if( pt ) pt = strstr(ptmp, "&t"); if( pw ) pw = strstr(ptmp, "&w"); } if( pw && (!pt || pw < pt) && (!pd || pw < pd) ){ strcpy(pw, wd); ptmp = cmdstr + strlen(cmdstr); parg = strstr(parg, "&w") + 2; strcat(pw, parg); pw = strstr(ptmp, "&w"); if( pt ) pt = strstr(ptmp, "&t"); if( pd ) pd = strstr(ptmp, "&d"); } } } else cmdstr = arg_completion_exit; if(arg_verbose) CONSOLE.Debug("Executing: %s", cmdstr); #ifdef HAVE_WORKING_FORK if( cfg_cache_size ){ // maybe free some cache before forking CacheEval(); if( m_cache_size < m_cache_used && !m_flush_failed ) CacheClean(0); } pid_t r; if( (r = fork()) < 0 ){ CONSOLE.Warning(2,"warn, fork failed running completion command: %s", strerror(errno)); }else if( r==0 ){ if( m_cache_used ){ // free the cache in the child process BTCACHE *p, *pnext; for( p=m_cache_oldest; p; p=pnext ){ pnext = p->age_next; delete []p->bc_buf; delete p; } } #endif if( system(cmdstr) < 0 ) CONSOLE.Warning(2, "warn, failure running completion command: %s", strerror(errno)); #ifdef HAVE_WORKING_FORK exit(EXIT_SUCCESS); } #endif if( cmdstr != arg_completion_exit ) delete []cmdstr; } void btContent::CheckFilter() { BitField tmpBitfield; BFNODE *original = m_current_filter; if( !m_filters ) return; if( !m_current_filter ) m_current_filter = m_filters; while( m_current_filter ){ tmpBitfield = *pBF; // what I have... tmpBitfield.Comb(GetFilter()); // ...plus what I don't want if( !tmpBitfield.IsFull() ) break; m_current_filter = m_current_filter->next; } if( !m_current_filter ){ if( !IsFull() ) CONSOLE.Print("End of download files list."); for( BFNODE *goner=m_filters; goner; goner=m_current_filter ){ m_current_filter = goner->next; delete goner; } m_filters = (BFNODE *)0; } if( m_current_filter != original ){ if( m_current_filter ){ size_t last; tmpBitfield = *GetFilter(); tmpBitfield.Invert(); // what I want... tmpBitfield.Except(*pBF); // ...that I don't have last = tmpBitfield.IsSet(m_npieces-1) ? 1 : 0; if( GetFilter()->IsEmpty() ) CONSOLE.Print("Downloading remaining files"); else CONSOLE.Print("Downloading file(s): %s", m_current_filter->name); CONSOLE.Print( "Pieces: %d (%llu bytes)", (int)(tmpBitfield.Count()), (unsigned long long) ((tmpBitfield.Count() - last) * (uint64_t)m_piece_length + (last ? GetPieceLength(m_npieces-1) : 0)) ); } } if( m_seed_timestamp && m_current_filter ){ // was seeding, now downloading again m_seed_timestamp = (time_t)0; } } void btContent::SetFilter() { // Set up filter list char *list=(char *)0, *tok, *dash, *plus; size_t start, end; BitField tmpFilter, *pfilter; BFNODE *node=m_filters, *pnode=(BFNODE *)0; if( arg_file_to_download ){ pBMasterFilter->SetAll(); list = new char[strlen(arg_file_to_download) + 1]; if( !list ){ CONSOLE.Warning(1, "error, failed to allocate memory for filter"); return; } strcpy(list, arg_file_to_download); tok = strtok(list, ", "); while( tok ){ if( !node ){ node = new BFNODE; if( !node ){ CONSOLE.Warning(1, "error, failed to allocate memory for filter"); return; } if( pnode ) pnode->next = node; else m_filters = node; } if( node->name && strlen(node->name) < strlen(tok) ){ delete []node->name; node->name = (char *)0; } if( !node->name ){ node->name = new char[strlen(tok)+1]; if( !node ){ CONSOLE.Warning(1, "error, failed to allocate memory for filter"); return; } } strcpy(node->name, tok); pfilter = &(node->bitfield); if( strstr(tok, "...") || strchr(tok, '*') ){ pfilter->Clear(); pBMasterFilter->Clear(); pnode = node; node = node->next; break; } pfilter->SetAll(); do{ start = atoi(tok); m_btfiles.SetFilter((int)start, &tmpFilter, m_piece_length); pfilter->And(tmpFilter); plus = strchr(tok, '+'); if( (dash = strchr(tok, '-')) && (!plus || dash < plus) ){ end = atoi(dash + 1); while( ++start <= end ){ m_btfiles.SetFilter((int)start, &tmpFilter, m_piece_length); pfilter->And(tmpFilter); } } tok = plus ? plus+1 : plus; }while( tok ); pBMasterFilter->And(*pfilter); tok = strtok(NULL, ", "); pnode = node; node = node->next; } delete []list; }else // no arg_file_to_download pBMasterFilter->Clear(); if( m_filters && m_filters->bitfield.IsEmpty() ){ delete []arg_file_to_download; arg_file_to_download = (char *)0; pBMasterFilter->Clear(); node = m_filters; pnode = (BFNODE *)0; } if( node ){ if( m_filters == node ) m_filters = (BFNODE *)0; if( pnode ) pnode->next = (BFNODE *)0; for( BFNODE *goner=node; goner; goner=node ){ node = goner->next; delete goner; } } m_current_filter = (BFNODE *)0; CheckFilter(); WORLD.CheckInterest(); } BitField *btContent::GetNextFilter(BitField *pfilter) const { static BFNODE *p = m_filters; if( !pfilter ) p = m_filters; else if( p && &(p->bitfield) == pfilter ){ p = p->next; }else{ for( p=m_filters; p && (&(p->bitfield) != pfilter); p = p->next ); if(p) p = p->next; else p = m_filters; } if(p) return &(p->bitfield); else return (BitField *) 0; } int btContent::Seeding() const { if( IsFull() || m_flush_failed ) return 1; if( arg_file_to_download && !m_current_filter ) return 1; return 0; } // Note, this functions assumes the program is exiting. void btContent::SaveBitfield() { if( arg_bitfield_file ){ if( m_check_piece < m_npieces ){ // still checking // Anything unchecked needs to be checked next time. pBChecked->Invert(); pBF->Comb(*pBChecked); } if( !pBF->IsFull() ) pBF->WriteToFile(arg_bitfield_file); } } void btContent::CountDupBlock(size_t len) { m_dup_blocks++; Tracker.CountDL(len); } void btContent::DumpCache() { BTCACHE *p = m_cache_oldest; int count; CONSOLE.Debug("CACHE CONTENTS:"); count = 0; for( ; p; p = p->age_next ){ CONSOLE.Debug(" %p prev=%p %d/%d/%d %sflushed", p, p->age_prev, (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len), p->bc_f_flush ? "un" : ""); count++; } CONSOLE.Debug(" count=%d", count); CONSOLE.Debug(" newest=%p", m_cache_newest); CONSOLE.Debug("BY PIECE:"); count = 0; for( size_t idx=0; idx < m_npieces; idx++ ){ for( p=m_cache[idx]; p; p=p->bc_next ){ CONSOLE.Debug(" %p prev=%p %d/%d/%d %sflushed", p, p->bc_prev, (int)(p->bc_off / m_piece_length), (int)(p->bc_off % m_piece_length), (int)(p->bc_len), p->bc_f_flush ? "un" : ""); count++; } } CONSOLE.Debug(" count=%d", count); } ctorrent-1.3.4.dnh3.3.2/btcontent.h0000644000000000000000000001234211227344303017027 0ustar00usergroup00000000000000#ifndef BTCONTENT_H #define BTCONTENT_H #include "def.h" #include #include #include #include "bitfield.h" #include "btfiles.h" typedef struct _btcache{ uint64_t bc_off; size_t bc_len; unsigned char bc_f_flush:1; unsigned char bc_f_reserved:7; char *bc_buf; struct _btcache *bc_next; struct _btcache *bc_prev; struct _btcache *age_next; struct _btcache *age_prev; }BTCACHE; typedef struct _btflush{ size_t idx; struct _btflush *next; }BTFLUSH; typedef struct _bfnode{ char *name; BitField bitfield; struct _bfnode *next; _bfnode(){ name = (char *)0; next = (struct _bfnode *)0; } ~_bfnode(){ if(name) delete []name; } }BFNODE; class btContent { //METAINFO成员 char *m_announce; unsigned char *m_hash_table; unsigned char m_shake_buffer[68]; char *m_announcelist[9]; char *m_comment, *m_created_by; size_t m_hashtable_length; size_t m_piece_length; size_t m_npieces, m_check_piece; time_t m_create_date, m_seed_timestamp, m_start_timestamp; size_t m_private; uint64_t m_left_bytes; btFiles m_btfiles; time_t m_flush_failed, m_flush_tried; BTCACHE **m_cache, *m_cache_oldest, *m_cache_newest; size_t m_cache_size, m_cache_used; size_t m_cache_hit, m_cache_miss, m_cache_pre; time_t m_cache_eval_time; BTFLUSH *m_flushq; BFNODE *m_filters, *m_current_filter; size_t m_prevdlrate; size_t m_hash_failures, m_dup_blocks, m_unwanted_blocks; void _Set_InfoHash(unsigned char buf[20]); char* _file2mem(const char *fname, size_t *psiz); void ReleaseHashTable(){ if(m_hash_table){ delete []m_hash_table; m_hash_table = (unsigned char*) 0; } } int CheckExist(); void CacheClean(size_t need); void CacheEval(); uint64_t max_uint64_t(uint64_t a,uint64_t b) { return (a > b) ? a : b; } uint64_t min_uint64_t(uint64_t a,uint64_t b) { return (a > b) ? b : a; } ssize_t CacheIO(char *buf, uint64_t off, size_t len, int method); void FlushEntry(BTCACHE *p); public: BitField *pBF; BitField *pBMasterFilter; BitField *pBRefer; BitField *pBChecked; BitField *pBMultPeer; char *global_piece_buffer; size_t global_buffer_size; btContent(); ~btContent(); void CacheConfigure(); void FlushCache(); void FlushPiece(size_t idx); void Uncache(size_t idx); void FlushQueue(); int NeedFlush() const; int FlushFailed() const { return m_flush_failed ? 1 : 0 ; } int CreateMetainfoFile(const char *mifn); int InitialFromFS(const char *pathname, char *ann_url, size_t piece_length); int InitialFromMI(const char *metainfo_fname,const char *saveas); int CheckNextPiece(); size_t CheckedPieces() const { return m_check_piece; } char* GetAnnounce() { return m_announce;} unsigned char* GetShakeBuffer() {return m_shake_buffer;} unsigned char* GetInfoHash() {return (m_shake_buffer + 28);} unsigned char* GetPeerId() {return (m_shake_buffer + 48); } size_t GetPieceLength(size_t idx); size_t GetPieceLength() const { return m_piece_length; } size_t GetNPieces() const { return m_npieces; } uint64_t GetTotalFilesLength() const { return m_btfiles.GetTotalLength(); } uint64_t GetLeftBytes() const { return m_left_bytes; } int APieceComplete(size_t idx); int GetHashValue(size_t idx,unsigned char *md); int CachePrep(size_t idx); ssize_t ReadSlice(char *buf,size_t idx,size_t off,size_t len); ssize_t WriteSlice(char *buf,size_t idx,size_t off,size_t len); ssize_t ReadPiece(char *buf,size_t idx); int PrintOut(); int PrintFiles(); int SeedTimeout(); void CompletionCommand(); void SaveBitfield(); void CheckFilter(); void SetFilter(); BitField *GetFilter() const { return m_current_filter ? &(m_current_filter->bitfield) : (BitField *)0; } BitField *GetNextFilter() const { return GetNextFilter((BitField *)0); } BitField *GetNextFilter(BitField *pfilter) const; char *GetFilterName() const { return m_current_filter->name; } void SetTmpFilter(int nfile, BitField *pFilter){ m_btfiles.SetFilter(nfile, pFilter, m_piece_length); } size_t GetNFiles() const { return m_btfiles.GetNFiles(); } char *GetFileName(size_t nfile) const { return m_btfiles.GetFileName(nfile); } uint64_t GetFileSize(size_t nfile) const { return m_btfiles.GetFileSize(nfile); } size_t GetFilePieces(size_t nfile) const { return m_btfiles.GetFilePieces(nfile); } time_t GetStartTime() const { return m_start_timestamp; } time_t GetSeedTime() const { return m_seed_timestamp; } size_t GetHashFailures() const { return m_hash_failures; } size_t GetDupBlocks() const { return m_dup_blocks; } size_t GetUnwantedBlocks() const { return m_unwanted_blocks; } void CountHashFailure() { m_hash_failures++; } void CountDupBlock(size_t len); void CountUnwantedBlock() { m_unwanted_blocks++; } int IsFull() const { return pBF->IsFull(); } int Seeding() const; size_t CacheHits() const { return m_cache_hit; } // "miss" does not count prefetch reads from disk size_t CacheMiss() const { return m_cache_miss; } // instead, "pre" does size_t CachePre() const { return m_cache_pre; } size_t CacheSize() const { return m_cache_size; } size_t CacheUsed() const { return m_cache_used; } void DumpCache(); }; extern btContent BTCONTENT; #endif ctorrent-1.3.4.dnh3.3.2/btfiles.cpp0000644000000000000000000005111711227344303017015 0ustar00usergroup00000000000000#include "btfiles.h" #ifdef WINDOWS #include #include #include #else #include #include #include #endif #include #include #include #include #include #include // isprint #include "bencode.h" #include "btcontent.h" #include "bitfield.h" #include "console.h" #include "bttime.h" #ifndef HAVE_SNPRINTF #include "compat.h" #endif #define MAX_OPEN_FILES 20 btFiles::btFiles() { m_btfhead = (BTFILE*) 0; m_nfiles = 0; m_file = (BTFILE **)0; m_total_files_length = 0; m_total_opened = 0; m_flag_automanage = 1; m_directory = (char*)0; } btFiles::~btFiles() { _btf_destroy(); if( m_directory ) delete []m_directory; } BTFILE* btFiles::_new_bfnode() { BTFILE *pnew = new BTFILE; #ifndef WINDOWS if( !pnew ) return (BTFILE*) 0; #endif pnew->bf_flag_opened = 0; pnew->bf_flag_readonly = 0; pnew->bf_filename = (char*) 0; pnew->bf_fp = (FILE*) 0; pnew->bf_length = 0; pnew->bf_buffer = (char *) 0; pnew->bf_last_timestamp = (time_t) 0; pnew->bf_next = (BTFILE*) 0; return pnew; } void btFiles::CloseFile(size_t nfile) { if( nfile && nfile <= m_nfiles ) _btf_close(m_file[nfile-1]); } int btFiles::_btf_close_oldest() { BTFILE *pbf_n,*pbf_close; pbf_close = (BTFILE *) 0; for(pbf_n = m_btfhead; pbf_n; pbf_n = pbf_n->bf_next){ if(!pbf_n->bf_flag_opened) continue; // file not been opened. if(!pbf_close || pbf_n->bf_last_timestamp < pbf_close->bf_last_timestamp) pbf_close = pbf_n; } if(!pbf_close) return -1; return _btf_close(pbf_close); } int btFiles::_btf_close(BTFILE *pbf) { if( !pbf->bf_flag_opened ) return 0; if( fclose(pbf->bf_fp) == EOF ) CONSOLE.Warning(2, "warn, error closing file \"%s\": %s", pbf->bf_filename, strerror(errno)); pbf->bf_flag_opened = 0; pbf->bf_fp = (FILE *)0; if( pbf->bf_buffer ){ delete []pbf->bf_buffer; pbf->bf_buffer = (char *)0; } m_total_opened--; return 0; } int btFiles::_btf_open(BTFILE *pbf, const int iotype) { char fn[MAXPATHLEN]; if( pbf->bf_flag_opened ){ if( pbf->bf_flag_readonly && iotype ) _btf_close(pbf); else return 0; // already open in a usable mode } if(m_flag_automanage && (m_total_opened >= MAX_OPEN_FILES)){ // close a file if( _btf_close_oldest() < 0 ) return -1; } if( m_directory ){ if( MAXPATHLEN <= snprintf(fn, MAXPATHLEN, "%s%c%s", m_directory, PATH_SP, pbf->bf_filename) ){ errno = ENAMETOOLONG; return -1; } }else{ strcpy(fn, pbf->bf_filename); } pbf->bf_last_timestamp = now + 1; if( !(pbf->bf_fp = fopen(fn, iotype ? "r+b" : "rb")) ){ if( EMFILE == errno || ENFILE == errno ){ if( _btf_close_oldest() < 0 || !(pbf->bf_fp = fopen(fn, iotype ? "r+b" : "rb")) ) return -1; // caller prints error }else return -1; // caller prints error } pbf->bf_buffer = new char[DEFAULT_SLICE_SIZE]; if(pbf->bf_buffer) setvbuf(pbf->bf_fp, pbf->bf_buffer, _IOFBF, DEFAULT_SLICE_SIZE); pbf->bf_flag_opened = 1; pbf->bf_flag_readonly = iotype ? 0 : 1; m_total_opened++; return 0; } ssize_t btFiles::IO(char *buf, uint64_t off, size_t len, const int iotype) { uint64_t n = 0; off_t pos,nio; BTFILE *pbf = m_btfhead; if( (off + (uint64_t)len) > m_total_files_length ){ CONSOLE.Warning(1, "error, data offset %llu length %lu out of range", (unsigned long long)off, (unsigned long)len); return -1; } for(; pbf; pbf = pbf->bf_next){ n += (uint64_t) pbf->bf_length; if(n > off) break; } if( !pbf ){ CONSOLE.Warning(1, "error, failed to find file for offset %llu", (unsigned long long)off); return -1; } pos = off - (n - pbf->bf_length); for(; len ;){ if( (!pbf->bf_flag_opened || (iotype && pbf->bf_flag_readonly)) && _btf_open(pbf, iotype) < 0 ){ CONSOLE.Warning(1, "error, failed to open file \"%s\": %s", pbf->bf_filename, strerror(errno)); return -1; } pbf->bf_last_timestamp = now; #ifdef HAVE_FSEEKO if( fseeko(pbf->bf_fp,pos,SEEK_SET) < 0 ){ #else if( fseek(pbf->bf_fp,(long) pos,SEEK_SET) < 0 ){ #endif CONSOLE.Warning(1, "error, failed to seek to %llu on file \"%s\": %s", (unsigned long long)pos, pbf->bf_filename, strerror(errno)); return -1; } // } nio = (len < pbf->bf_length - pos) ? len : (pbf->bf_length - pos); if(0 == iotype){ errno = 0; if( 1 != fread(buf,nio,1,pbf->bf_fp) && ferror(pbf->bf_fp) ){ CONSOLE.Warning(1, "error, read failed at %llu on file \"%s\": %s", (unsigned long long)pos, pbf->bf_filename, strerror(errno)); return -1; } }else{ errno = 0; if( 1 != fwrite(buf,nio,1,pbf->bf_fp) ){ CONSOLE.Warning(1, "error, write failed at %llu on file \"%s\": %s", (unsigned long long)pos, pbf->bf_filename, strerror(errno)); return -1; } if( fflush(pbf->bf_fp) == EOF ){ CONSOLE.Warning(1, "error, flush failed at %llu on file \"%s\": %s", (unsigned long long)pos, pbf->bf_filename, strerror(errno)); return -1; } } len -= nio; buf += nio; if( len ){ do{ pbf = pbf->bf_next; if( !pbf ){ CONSOLE.Warning(1, "error, data left over with no more files to write"); return -1; } }while( 0==pbf->bf_length ); pos = 0; } } // end for return 0; } int btFiles::_btf_destroy() { BTFILE *pbf,*pbf_next; for(pbf = m_btfhead; pbf;){ pbf_next = pbf->bf_next; if( pbf->bf_fp && pbf->bf_flag_opened ) fclose( pbf->bf_fp ); if( pbf->bf_filename ) delete []pbf->bf_filename; if( pbf->bf_buffer ) delete []pbf->bf_buffer; delete pbf; pbf = pbf_next; } m_btfhead = (BTFILE*) 0; m_total_files_length = (uint64_t) 0; m_total_opened = 0; return 0; } int btFiles::_btf_ftruncate(int fd,int64_t length) { if( arg_allocate ){ char *c = new char[256*1024]; if( !c ){ errno = ENOMEM; return -1; } memset(c, 0, 256*1024); int r, wlen; int64_t len = 0; for( int i=0; len < length; i++ ){ if( len + 256*1024 > length ) wlen = (int)(length - len); else wlen = 256*1024; if( 0 == i % 100 ) CONSOLE.Interact_n("."); if( (r = write(fd, c, wlen)) < 0 ) return r; len += wlen; } delete []c; return r; } #ifdef WINDOWS char c = (char)0; if( lseek(fd,length - 1, SEEK_SET) < 0 ) return -1; return write(fd, &c, 1); #else // ftruncate() not allowed on [v]fat under linux int retval = ftruncate(fd,length); if( retval < 0 ) { char c = (char)0; if( lseek(fd,length - 1, SEEK_SET) < 0 ) return -1; return write(fd, &c, 1); } else return retval; #endif } int btFiles::_btf_recurses_directory(const char *cur_path, BTFILE* *plastnode) { char full_cur[MAXPATHLEN]; char fn[MAXPATHLEN]; struct stat sb; struct dirent *dirp; DIR *dp; BTFILE *pbf; if( !getcwd(full_cur,MAXPATHLEN) ) return -1; if( cur_path ){ strcpy(fn, full_cur); if( MAXPATHLEN <= snprintf(full_cur, MAXPATHLEN, "%s%c%s", fn, PATH_SP, cur_path) ){ errno = ENAMETOOLONG; return -1; } } if( (DIR*) 0 == (dp = opendir(full_cur)) ){ CONSOLE.Warning(1, "error, open directory \"%s\" failed: %s", cur_path, strerror(errno)); return -1; } while( (struct dirent*) 0 != (dirp = readdir(dp)) ){ if( 0 == strcmp(dirp->d_name, ".") || 0 == strcmp(dirp->d_name, "..") ) continue; if( cur_path ){ if(MAXPATHLEN < snprintf(fn, MAXPATHLEN, "%s%c%s", cur_path, PATH_SP, dirp->d_name)){ CONSOLE.Warning(1, "error, pathname too long"); errno = ENAMETOOLONG; return -1; } }else{ strcpy(fn, dirp->d_name); } if( stat(fn, &sb) < 0 ){ CONSOLE.Warning(1, "error, stat \"%s\" failed: %s",fn,strerror(errno)); return -1; } if( S_IFREG & sb.st_mode ){ pbf = _new_bfnode(); #ifndef WINDOWS if( !pbf ){ errno = ENOMEM; return -1; } #endif pbf->bf_filename = new char[strlen(fn) + 1]; #ifndef WINDOWS if( !pbf->bf_filename ){ closedir(dp); errno = ENOMEM; return -1; } #endif strcpy(pbf->bf_filename, fn); pbf->bf_length = sb.st_size; m_total_files_length += sb.st_size; if( *plastnode ) (*plastnode)->bf_next = pbf; else m_btfhead = pbf; *plastnode = pbf; }else if( S_IFDIR & sb.st_mode ){ if(_btf_recurses_directory(fn, plastnode) < 0){closedir(dp); return -1;} }else{ CONSOLE.Warning(1, "error, \"%s\" is not a directory or regular file.", fn); closedir(dp); return -1; } } // end while closedir(dp); return 0; } int btFiles::_btf_creat_by_path(const char *pathname, int64_t file_length) { struct stat sb; int fd; char *p,*pnext,last = 0; char sp[MAXPATHLEN]; strcpy(sp,pathname); pnext = sp; if(PATH_SP == *pnext) pnext++; for(; !last; ){ for(p = pnext; *p && PATH_SP != *p; p++) ; if( !*p ) last = 1; if(last && PATH_SP == *p){ last = 0; break;} *p = '\0'; if(stat(sp,&sb) < 0){ if( ENOENT == errno ){ if( !last ){ #ifdef WINDOWS if(mkdir(sp) < 0) break; #else if(mkdir(sp,0755) < 0) break; #endif }else{ if((fd = creat(sp,0644)) < 0){ last = 0; break; } if(file_length && _btf_ftruncate(fd, file_length) < 0){ close(fd); last = 0; break; } close(fd); } }else{last = 0; break;} } if( !last ){ *p = PATH_SP; pnext = p + 1; } } return last; } int btFiles::BuildFromFS(const char *pathname) { struct stat sb; BTFILE *pbf = (BTFILE*) 0; BTFILE *lastnode = (BTFILE*) 0; if( stat(pathname, &sb) < 0 ){ CONSOLE.Warning(1, "error, stat file \"%s\" failed: %s", pathname, strerror(errno)); return -1; } if( S_IFREG & sb.st_mode ){ pbf = _new_bfnode(); #ifndef WINDOWS if( !pbf ) return -1; #endif pbf->bf_length = m_total_files_length = sb.st_size; pbf->bf_filename = new char[strlen(pathname) + 1]; #ifndef WINDOWS if( !pbf->bf_filename ) return -1; #endif strcpy(pbf->bf_filename, pathname); m_btfhead = pbf; }else if( S_IFDIR & sb.st_mode ){ char wd[MAXPATHLEN]; if( !getcwd(wd,MAXPATHLEN) ) return -1; m_directory = new char[strlen(pathname) + 1]; #ifndef WINDOWS if( !m_directory ) return -1; #endif strcpy(m_directory, pathname); if(chdir(m_directory) < 0){ CONSOLE.Warning(1, "error, change work directory to \"%s\" failed: %s", m_directory, strerror(errno)); return -1; } if(_btf_recurses_directory((const char*)0, &lastnode) < 0) return -1; if( chdir(wd) < 0) return -1; }else{ CONSOLE.Warning(1, "error, \"%s\" is not a directory or regular file.", pathname); return -1; } return 0; } int btFiles::BuildFromMI(const char *metabuf, const size_t metabuf_len, const char *saveas) { char path[MAXPATHLEN]; const char *s, *p; size_t r,q,n; int64_t t; int f_warned = 0; if( !decode_query(metabuf, metabuf_len, "info|name", &s, &q, (int64_t*)0, QUERY_STR) || MAXPATHLEN <= q ) return -1; memcpy(path, s, q); path[q] = '\0'; r = decode_query(metabuf, metabuf_len, "info|files", (const char**)0, &q, (int64_t*)0, QUERY_POS); if( r ){ BTFILE *pbf_last = (BTFILE*) 0; BTFILE *pbf = (BTFILE*) 0; size_t dl; if( decode_query(metabuf,metabuf_len,"info|length", (const char**) 0,(size_t*) 0,(int64_t*) 0,QUERY_LONG) ) return -1; if( saveas ){ m_directory = new char[strlen(saveas) + 1]; #ifndef WINDOWS if(!m_directory) return -1; #endif strcpy(m_directory,saveas); }else{ int f_conv; char *tmpfn = new char[strlen(path)*2+5]; #ifndef WINDOWS if( !tmpfn ) return -1; #endif if( f_conv = ConvertFilename(tmpfn, path, strlen(path)*2+5) ){ if( arg_flg_convert_filenames ){ m_directory = new char[strlen(tmpfn) + 1]; #ifndef WINDOWS if( !m_directory ){ delete []tmpfn; return -1; } #endif strcpy(m_directory,tmpfn); }else{ CONSOLE.Warning(3, "Dir name contains non-printable characters; use -T to convert."); f_warned = 1; } } delete []tmpfn; if( !f_conv || !arg_flg_convert_filenames ){ m_directory = new char[strlen(path) + 1]; #ifndef WINDOWS if( !m_directory ) return -1; #endif strcpy(m_directory,path); } } /* now r saved the pos of files list. q saved list length */ p = metabuf + r + 1; q--; for(; q && 'e' != *p; p += dl, q -= dl){ if(!(dl = decode_dict(p, q, (const char*) 0)) ) return -1; if( !decode_query(p, dl, "length", (const char**) 0, (size_t*) 0,&t,QUERY_LONG) ) return -1; pbf = _new_bfnode(); #ifndef WINDOWS if( !pbf ) return -1; #endif pbf->bf_length = t; m_total_files_length += t; r = decode_query(p, dl, "path", (const char **)0, &n, (int64_t*)0, QUERY_POS); if( !r ) return -1; if(!decode_list2path(p + r, n, path)) return -1; int f_conv; char *tmpfn = new char[strlen(path)*2+5]; #ifndef WINDOWS if( !tmpfn ) return -1; #endif if( f_conv = ConvertFilename(tmpfn, path, strlen(path)*2+5) ){ if( arg_flg_convert_filenames ){ pbf->bf_filename = new char[strlen(tmpfn) + 1]; #ifndef WINDOWS if( !pbf->bf_filename ){ delete []tmpfn; return -1; } #endif strcpy(pbf->bf_filename, tmpfn); }else if(!f_warned){ CONSOLE.Warning(3, "Filename contains non-printable characters; use -T to convert."); f_warned = 1; } } delete []tmpfn; if( !f_conv || !arg_flg_convert_filenames ){ pbf->bf_filename = new char[strlen(path) + 1]; #ifndef WINDOWS if( !pbf->bf_filename ) return -1; #endif strcpy(pbf->bf_filename, path); } if(pbf_last) pbf_last->bf_next = pbf; else m_btfhead = pbf; pbf_last = pbf; } }else{ if( !decode_query(metabuf,metabuf_len,"info|length", (const char**) 0,(size_t*) 0,&t,QUERY_LONG) ) return -1; m_btfhead = _new_bfnode(); #ifndef WINDOWS if( !m_btfhead) return -1; #endif m_btfhead->bf_length = m_total_files_length = t; if( saveas ){ m_btfhead->bf_filename = new char[strlen(saveas) + 1]; #ifndef WINDOWS if(!m_btfhead->bf_filename ) return -1; #endif strcpy(m_btfhead->bf_filename, saveas); }else if( arg_flg_convert_filenames ){ char *tmpfn = new char[strlen(path)*2+5]; #ifndef WINDOWS if( !tmpfn ) return -1; #endif ConvertFilename(tmpfn, path, strlen(path)*2+5); m_btfhead->bf_filename = new char[strlen(tmpfn) + 1]; #ifndef WINDOWS if( !m_btfhead->bf_filename ){ delete []tmpfn; return -1; } #endif strcpy(m_btfhead->bf_filename, tmpfn); delete []tmpfn; }else{ m_btfhead->bf_filename = new char[strlen(path) + 1]; #ifndef WINDOWS if(!m_btfhead->bf_filename ) return -1; #endif strcpy(m_btfhead->bf_filename, path); } } return 0; } int btFiles::CreateFiles() { int check_exist = 0; char fn[MAXPATHLEN]; BTFILE *pbt = m_btfhead; struct stat sb; int i = 0; for(; pbt; pbt = pbt->bf_next){ m_nfiles++; if( m_directory ){ if( MAXPATHLEN <= snprintf(fn, MAXPATHLEN, "%s%c%s", m_directory, PATH_SP, pbt->bf_filename) ){ errno = ENAMETOOLONG; return -1; } }else{ strcpy(fn, pbt->bf_filename); } if(stat(fn, &sb) < 0){ if(ENOENT == errno){ CONSOLE.Interact_n(""); CONSOLE.Interact_n("Creating file \"%s\"", fn); if( !_btf_creat_by_path(fn,pbt->bf_length)){ CONSOLE.Warning(1, "error, create file \"%s\" failed: %s", fn, strerror(errno)); return -1; } }else{ CONSOLE.Warning(1, "error, couldn't create file \"%s\": %s", fn, strerror(errno)); return -1; } }else{ if( !check_exist) check_exist = 1; if( !(S_IFREG & sb.st_mode) ){ CONSOLE.Warning(1, "error, file \"%s\" is not a regular file.", fn); return -1; } if(sb.st_size != pbt->bf_length){ CONSOLE.Warning(1,"error, file \"%s\" size doesn't match; must be %llu", fn, (unsigned long long)(pbt->bf_length)); return -1; } } } //end for m_file = new BTFILE *[m_nfiles]; if( !m_file ){ CONSOLE.Warning(1, "error, failed to allocate memory for files list"); return -1; } for( pbt = m_btfhead; pbt; pbt = pbt->bf_next ){ m_file[i++] = pbt; } return check_exist; } void btFiles::PrintOut() { BTFILE *p = m_btfhead; size_t id = 0; CONSOLE.Print(""); CONSOLE.Print("FILES INFO"); BitField tmpBitField, tmpFilter; if(m_directory) CONSOLE.Print("Directory: %s", m_directory); for( ; p ; p = p->bf_next ){ ++id; CONSOLE.Print_n(""); CONSOLE.Print_n("<%d> %s%s [%llu]", (int)id, m_directory ? " " : "", p->bf_filename, (unsigned long long)(p->bf_length)); if( !arg_flg_exam_only ){ BTCONTENT.SetTmpFilter(id, &tmpFilter); tmpBitField = *BTCONTENT.pBF; tmpBitField.Except(tmpFilter); CONSOLE.Print_n(" %d/%d (%d%%)", (int)(tmpBitField.Count()), (int)(GetFilePieces(id)), GetFilePieces(id) ? (100 * tmpBitField.Count() / GetFilePieces(id)) : 100); } } CONSOLE.Print("Total: %lu MB", (unsigned long)(m_total_files_length/1024/1024)); } size_t btFiles::FillMetaInfo(FILE* fp) { BTFILE *p; if( m_directory ){ // multi files if( bencode_str("files", fp) != 1 ) return 0; if( bencode_begin_list(fp) != 1) return 0; for( p = m_btfhead; p; p = p->bf_next){ if( bencode_begin_dict(fp) != 1) return 0; if( bencode_str("length", fp) != 1 ) return 0; if( bencode_int(p->bf_length, fp) != 1) return 0; if( bencode_str("path", fp) != 1) return 0; if( bencode_path2list(p->bf_filename, fp) != 1 ) return 0; if( bencode_end_dict_list(fp) != 1) return 0; } if(bencode_end_dict_list(fp) != 1 ) return 0; if(bencode_str("name", fp) != 1) return 0; return bencode_str(m_directory, fp); }else{ if( bencode_str("length", fp) != 1 ) return 0; if( bencode_int(m_btfhead->bf_length, fp) != 1) return 0; if( bencode_str("name", fp) != 1 ) return 0; return bencode_str(m_btfhead->bf_filename, fp); } return 1; } void btFiles::SetFilter(int nfile, BitField *pFilter, size_t pieceLength) { BTFILE *p = m_btfhead; size_t id = 0; uint64_t sizeBuffer=0; size_t index; if( nfile==0 || nfile>m_nfiles ){ pFilter->Clear(); return; } pFilter->SetAll(); for( ; p ; p = p->bf_next ){ if(++id == nfile){ if( 0 == p->bf_length ){ p->bf_npieces = 0; return; } size_t start, stop; start = sizeBuffer / pieceLength; stop = (sizeBuffer + p->bf_length) / pieceLength; // calculation is off if file ends on a piece boundary if(stop > start && 0 == (sizeBuffer + p->bf_length) % pieceLength) --stop; p->bf_npieces = stop - start + 1; for(index = start; index <= stop; index++) { pFilter->UnSet(index); } break; } sizeBuffer += p->bf_length; } } char *btFiles::GetFileName(size_t nfile) const { if( nfile && nfile <= m_nfiles ) return m_file[nfile-1]->bf_filename; return (char *)0; } uint64_t btFiles::GetFileSize(size_t nfile) const { if( nfile && nfile <= m_nfiles ) return m_file[nfile-1]->bf_length; return 0; } size_t btFiles::GetFilePieces(size_t nfile) const { //returns the number of pieces in the file if( nfile && nfile <= m_nfiles ) return m_file[nfile-1]->bf_npieces; return 0; } int btFiles::ConvertFilename(char *dst, const char *src, int size) { int retval=0, i, j, f_print=0, f_punct=0; for(i=j=0; src[i] != '\0' && j < size-2; i++){ if( isprint(src[i]) ){ if( ispunct(src[i]) ) f_punct = 1; else f_punct = 0; if(j && !f_print && !f_punct){ sprintf(dst+j, "_"); j++; } dst[j++] = src[i]; f_print = 1; }else{ if(f_print && !f_punct){ sprintf(dst+j, "_"); j++; } snprintf(dst+j, 3, "%.2X", (unsigned char)(src[i])); j += 2; f_print = f_punct = 0; if( !retval ) retval = 1; } } dst[j] = '\0'; return retval; } char *btFiles::GetDataName() const { return m_directory ? m_directory : m_btfhead->bf_filename; } ctorrent-1.3.4.dnh3.3.2/btfiles.h0000644000000000000000000000362311227344303016461 0ustar00usergroup00000000000000#ifndef BTFILES_H #define BTFILES_H #include "./def.h" #include #include #include #include #include "bitfield.h" #include "btconfig.h" typedef struct _btfile{ char *bf_filename; // full path of file. uint64_t bf_length; FILE *bf_fp; char *bf_buffer; time_t bf_last_timestamp; // last io timestamp. size_t bf_npieces; //number of pieces unsigned char bf_flag_opened:1; unsigned char bf_flag_readonly:1; unsigned char bf_reserved:6; struct _btfile *bf_next; }BTFILE; class btFiles { private: BTFILE *m_btfhead; char *m_directory; uint64_t m_total_files_length; size_t m_total_opened; // already opened size_t m_nfiles; BTFILE **m_file; uint8_t m_flag_automanage:1; uint8_t m_flag_reserved:7; // current version not implement BTFILE* _new_bfnode(); int _btf_close_oldest(); int _btf_close(BTFILE *pbf); int _btf_open(BTFILE *pbf, const int iotype); int _btf_ftruncate(int fd, int64_t length); int _btf_creat_by_path(const char *pathname, int64_t file_length); int _btf_destroy(); int _btf_recurses_directory(const char *cur_path, BTFILE **plastnode); int ConvertFilename(char *dst, const char *src, int size); public: int CreateFiles(); void CloseFile(size_t nfile); btFiles(); ~btFiles(); int BuildFromFS(const char *pathname); int BuildFromMI(const char *metabuf, const size_t metabuf_len, const char *saveas); char *GetDataName() const; uint64_t GetTotalLength() const { return m_total_files_length; } ssize_t IO(char *buf, uint64_t off, size_t len, const int iotype); size_t FillMetaInfo(FILE* fp); void SetFilter(int nfile, BitField *pFilter, size_t pieceLength); size_t GetNFiles() const { return m_nfiles; } char *GetFileName(size_t nfile) const; uint64_t GetFileSize(size_t nfile) const; size_t GetFilePieces(size_t nfile) const; void PrintOut(); }; #endif ctorrent-1.3.4.dnh3.3.2/btrequest.cpp0000644000000000000000000003327411227344303017407 0ustar00usergroup00000000000000#include "btrequest.h" // def.h #include #include "btcontent.h" #include "btconfig.h" #include "console.h" #ifndef HAVE_RANDOM #include "compat.h" #endif static void _empty_slice_list(PSLICE *ps_head) { PSLICE p; for(; *ps_head;){ p = (*ps_head)->next; delete (*ps_head); *ps_head = p; } } RequestQueue::~RequestQueue() { if( rq_head ) _empty_slice_list(&rq_head); } RequestQueue::RequestQueue() { rq_head = (PSLICE) 0; rq_send = rq_head; } void RequestQueue::Empty() { if(rq_head) _empty_slice_list(&rq_head); rq_send = rq_head; } void RequestQueue::SetHead(PSLICE ps) { if( rq_head ) _empty_slice_list(&rq_head); rq_head = ps; rq_send = rq_head; } void RequestQueue::operator=(RequestQueue &rq) { PSLICE n, u = (PSLICE) 0; size_t idx; int flag = 0; if( rq_head ) _empty_slice_list(&rq_head); rq_head = rq.rq_head; rq_send = rq_head; // Reassign only the first piece represented in the queue. n = rq_head; idx = n->index; for( ; n ; u = n,n = u->next ){ if( rq.rq_send == n ) flag = 1; if( n->index != idx ) break; } if(n){ u->next = (PSLICE) 0; rq.rq_head = n; if(flag) rq.rq_send = rq.rq_head; }else{ rq.rq_head = (PSLICE) 0; rq.rq_send = rq.rq_head; } } int RequestQueue::Copy(const RequestQueue *prq, size_t idx) { PSLICE n, u, ps; int found = 0; if( prq->IsEmpty() ) return 0; n = rq_head; u = (PSLICE)0; for( ; n ; u = n, n = u->next ); // move to end ps = prq->GetHead(); for( ; ps; ps = ps->next ){ if( ps->index != idx ){ if( found ) break; else continue; }else found = 1; if( Add(ps->index, ps->offset, ps->length) < 0 ){ PSLICE temp; for( n = u ? u->next : rq_head; n; n=temp ){ temp = n->next; delete n; } if( u ) u->next = (PSLICE)0; return -1; } } return 0; } int RequestQueue::CopyShuffle(const RequestQueue *prq, size_t idx) { PSLICE n, u, ps, prev, end, psnext, temp; SLICE dummy; unsigned long rndbits; int len, shuffle, i=0, setsend=0; size_t firstoff; if( prq->IsEmpty() ) return 0; n = rq_head; u = (PSLICE)0; for( ; n ; u = n, n = u->next ); // move to end if( !rq_send ) setsend = 1; ps = prq->GetHead(); for( ; ps && ps->index != idx; ps = ps->next ); if( !ps ) return -1; firstoff = ps->offset; for( len=0; ps && ps->index == idx; ps = ps->next ){ if( Add(ps->index, ps->offset, ps->length) < 0 ){ for( n = u ? u->next : rq_head; n; n=temp ){ temp = n->next; delete n; } if( u ) u->next = (PSLICE)0; return -1; } len++; } if( !u ){ u = &dummy; u->next = rq_head; } shuffle = (random()&0x07)+2; if( shuffle > len/2 ) shuffle = len/2; for( ; shuffle; shuffle-- ){ prev = u; ps = u->next->next; u->next->next = (PSLICE)0; end = u->next; for( ; ps; ps = psnext ){ psnext = ps->next; if( !i-- ){ rndbits = random(); i = sizeof(rndbits) - 3; // insure an extra bit } if( (rndbits>>=1)&01 ){ // beginning or end of list if( (rndbits>>=1)&01 ){ prev = end; ps->next = (PSLICE)0; end->next = ps; end = ps; }else{ ps->next = u->next; u->next = ps; prev = u; } }else{ // before or after previous insertion if( (rndbits>>=1)&01 ){ // put after prev->next if( end == prev->next ) end = ps; temp = prev->next; ps->next = prev->next->next; prev->next->next = ps; prev = temp; }else{ // put after prev (before prev->next) ps->next = prev->next; prev->next = ps; } } } } // shuffle loop // If first slice is the same as in the original, move it to the end. if( u->next->offset == firstoff ){ end->next = u->next; u->next = u->next->next; end = end->next; end->next = (PSLICE)0; } if( u == &dummy ) rq_head = u->next; if( setsend ) rq_send = u->next; return 0; } // Counts all queued slices. size_t RequestQueue::Qsize() const { size_t cnt = 0; PSLICE n = rq_head; PSLICE u = (PSLICE) 0; for( ; n ; u = n,n = u->next ) cnt++; // move to end return cnt; } // Counts only slices from one piece. size_t RequestQueue::Qlen(size_t piece) const { size_t cnt = 0; PSLICE n = rq_head; PSLICE u = (PSLICE) 0; size_t idx; for( ; n && n->index != piece; n = n->next ); if(n) idx = n->index; for( ; n ; u = n,n = u->next ){ if( n->index != idx ) break; cnt++; } return cnt; } int RequestQueue::LastSlice() const { return ( rq_head && (!rq_head->next || rq_head->index != rq_head->next->index) ) ? 1 : 0; } int RequestQueue::Insert(PSLICE ps,size_t idx,size_t off,size_t len) { PSLICE n; n = new SLICE; #ifndef WINDOWS if( !n ) return -1; #endif n->index = idx; n->offset = off; n->length = len; n->reqtime = (time_t) 0; // ps is the slice to insert after; if 0, insert at the head. if(ps){ n->next = ps->next; ps->next = n; if( rq_send == n->next ) rq_send = n; }else{ n->next = rq_head; rq_head = n; rq_send = rq_head; } return 0; } int RequestQueue::Add(size_t idx,size_t off,size_t len) { PSLICE n = rq_head; PSLICE u = (PSLICE) 0; for( ; n ; u = n,n = u->next ); // move to end n = new SLICE; #ifndef WINDOWS if( !n ) return -1; #endif n->next = (PSLICE) 0; n->index = idx; n->offset = off; n->length = len; n->reqtime = (time_t) 0; if( u ) u->next = n; else{ rq_head = n; rq_send = rq_head; } if( !rq_send ) rq_send = n; return 0; } int RequestQueue::Append(PSLICE ps) { PSLICE n = rq_head; PSLICE u = (PSLICE) 0; for( ; n ; u = n,n = u->next ); // move to end if(u) u->next = ps; else rq_head = ps; if( !rq_send ) rq_send = ps; return 0; } int RequestQueue::Remove(size_t idx,size_t off,size_t len) { PSLICE n = rq_head; PSLICE u = (PSLICE) 0; for( ; n ; u = n, n = u->next ){ if( n->index == idx && n->offset == off && n->length == len ) break; } if( !n ) return -1; /* not found */ if( u ) u->next = n->next; else rq_head = n->next; if( rq_send == n ) rq_send = n->next; delete n; return 0; } // Add a slice at an appropriate place in the queue. // returns -1 if failed, 1 if request needs to be sent. int RequestQueue::Requeue(size_t idx,size_t off,size_t len) { int f_send, retval; PSLICE n = rq_head; PSLICE u = (PSLICE) 0; PSLICE save_send = rq_send; // find last slice of same piece if( rq_send ) f_send = 1; for( ; n ; u = n,n = u->next ){ if( rq_send == u ) f_send = 0; if( u && idx == u->index && idx != n->index ) break; } if( !u ) f_send = 1; retval = ( Insert(u,idx,off,len) < 0 ) ? -1 : f_send; rq_send = save_send; return retval; } // Move the slice to the end of its piece sequence. void RequestQueue::MoveLast(PSLICE ps) { PSLICE n, u; for( n = rq_head; n && n->next != ps; n = n->next ); if( !n || !ps ) return; for( u = ps; u->next && u->next->index == ps->index; u = u->next ); if( u == ps ) return; if( rq_send == ps ) rq_send = ps->next; else if( rq_send == u->next ) rq_send = ps; n->next = ps->next; ps->next = u->next; u->next = ps; } int RequestQueue::HasIdx(size_t idx) const { PSLICE n = rq_head; for( ; n ; n = n->next ){ if(n->index == idx) break; } return n ? 1 : 0; } int RequestQueue::HasSlice(size_t idx, size_t off, size_t len) const { PSLICE n = rq_head; for( ; n ; n = n->next ){ if( n->index == idx && n->offset == off && n->length == len ) break; } return n ? 1 : 0; } time_t RequestQueue::GetReqTime(size_t idx,size_t off,size_t len) const { PSLICE n = rq_head; for( ; n ; n = n->next ){ if( n->index == idx && n->offset == off && n->length == len ) break; } if( !n ) return (time_t)0; /* not found */ return n->reqtime; } void RequestQueue::SetReqTime(PSLICE n,time_t t) { n->reqtime = t; } int RequestQueue::Pop(size_t *pidx,size_t *poff,size_t *plen) { PSLICE n; if( !rq_head ) return -1; n = rq_head->next; if(pidx) *pidx = rq_head->index; if(poff) *poff = rq_head->offset; if(plen) *plen = rq_head->length; if( rq_send == rq_head ) rq_send = n; delete rq_head; rq_head = n; return 0; } int RequestQueue::Peek(size_t *pidx,size_t *poff,size_t *plen) const { if( !rq_head ) return -1; if(pidx) *pidx = rq_head->index; if(poff) *poff = rq_head->offset; if(plen) *plen = rq_head->length; return 0; } int RequestQueue::CreateWithIdx(size_t idx) { size_t i,off,len,ns; ns = NSlices(idx); for( i = off = 0; i < ns; i++ ){ len = Slice_Length(idx,i); if( Add(idx,off,len) < 0 ) return -1; off += len; } return 0; } size_t RequestQueue::Slice_Length(size_t idx,size_t sidx) const { size_t plen = BTCONTENT.GetPieceLength(idx); return (sidx == ( plen / cfg_req_slice_size)) ? (plen % cfg_req_slice_size) : cfg_req_slice_size; } size_t RequestQueue::NSlices(size_t idx) const { size_t r,n; r = BTCONTENT.GetPieceLength(idx); n = r / cfg_req_slice_size; return ( r % cfg_req_slice_size ) ? n + 1 : n; } int RequestQueue::IsValidRequest(size_t idx,size_t off,size_t len) const { return ( idx < BTCONTENT.GetNPieces() && len && (off + len) <= BTCONTENT.GetPieceLength(idx) && len <= cfg_max_slice_size ) ? 1 : 0; } // ****************************** PendingQueue ****************************** PendingQueue PENDINGQUEUE; PendingQueue::PendingQueue() { int i = 0; for(; i < PENDING_QUEUE_SIZE; i++) pending_array[i] = (PSLICE) 0; pq_count = 0; } PendingQueue::~PendingQueue() { if(pq_count) Empty(); } void PendingQueue::Empty() { int i = 0; for ( ; i < PENDING_QUEUE_SIZE && pq_count; i++ ) if( pending_array[i] != (PSLICE) 0 ){ _empty_slice_list(&(pending_array[i])); pq_count--; } } int PendingQueue::Exist(size_t idx) const { int i, j = 0; for ( i = 0; i < PENDING_QUEUE_SIZE && j < pq_count; i++ ){ if( pending_array[i] ){ j++; if( idx == pending_array[i]->index ) return 1; } } return 0; } int PendingQueue::HasSlice(size_t idx, size_t off, size_t len) { int i, j = 0; for( i = 0; i < PENDING_QUEUE_SIZE && j < pq_count; i++ ){ if( pending_array[i] ){ j++; if( idx == pending_array[i]->index && off == pending_array[i]->offset && len == pending_array[i]->length ) return 1; } } return 0; } /* Sending an empty queue to this function WILL cause a crash. This exposure is left open in order to help track down bugs that cause this condition. Returns: 0 if all pieces were added to Pending -1 if Pending is full (at least one piece not added) 1 if at least one piece was already in Pending */ int PendingQueue::Pending(RequestQueue *prq) { int retval = 0; int i = 0, j = -1; PSLICE n, u = (PSLICE) 0; size_t idx, off, len; RequestQueue tmprq; if( pq_count >= PENDING_QUEUE_SIZE ){ prq->Empty(); return -1; } if( prq->Qlen(prq->GetRequestIdx()) >= BTCONTENT.GetPieceLength() / cfg_req_slice_size ){ // This shortcut relies on the fact that we don't add to a queue if it // already contains a full piece. prq->Empty(); return 0; } for( ; i < PENDING_QUEUE_SIZE; i++ ){ if( pending_array[i] == (PSLICE)0 ){ // Find an empty slot in case we need it. if(j<0) j = i; }else if( prq->GetRequestIdx() == pending_array[i]->index ){ // Don't add a piece to Pending more than once. while( !prq->IsEmpty() && prq->GetRequestIdx() == pending_array[i]->index ) prq->Pop(&idx,&off,&len); retval = 1; if( prq->IsEmpty() ) return retval; i = 0; } } pending_array[j] = prq->GetHead(); prq->Release(); pq_count++; // If multiple pieces are queued, break up the queue separately. n = pending_array[j]; idx = n->index; for( ; n ; u = n, n = u->next ){ if( n->index != idx ) break; n->reqtime = (time_t)0; } if(n){ u->next = (PSLICE) 0; tmprq.SetHead(n); i = Pending(&tmprq); if( i < 0 ) retval = i; else if( i > 0 && retval == 0 ) retval = i; tmprq.Release(); } return retval; } size_t PendingQueue::ReAssign(RequestQueue *prq, BitField &bf) { int i = 0; size_t sc = pq_count; size_t idx = BTCONTENT.GetNPieces(); for( ; i < PENDING_QUEUE_SIZE && sc; i++ ){ if( pending_array[i] != (PSLICE) 0){ if( bf.IsSet(pending_array[i]->index) && !prq->HasIdx(pending_array[i]->index) ){ idx = pending_array[i]->index; prq->Append(pending_array[i]); pending_array[i] = (PSLICE) 0; pq_count--; Delete(idx); // delete any copies from Pending break; } sc--; } } // Return value now indicates the assigned piece or GetNPieces return idx; } int PendingQueue::Delete(size_t idx) { int i, j = 0, r = 0; for ( i = 0; i < PENDING_QUEUE_SIZE && j < pq_count; i++ ){ if( pending_array[i] ){ j++; if( idx == pending_array[i]->index ){ r = 1; _empty_slice_list(&(pending_array[i])); pq_count--; break; } } } return r; } int PendingQueue::DeleteSlice(size_t idx, size_t off, size_t len) { int i, j = 0, r = 0; RequestQueue rq; for( i = 0; i < PENDING_QUEUE_SIZE && j < pq_count; i++ ){ if( pending_array[i] ){ j++; if( idx == pending_array[i]->index ){ //check if off & len match any slice //remove the slice if so rq.SetHead(pending_array[i]); if( rq.Remove(idx, off, len) == 0 ){ r = 1; pending_array[i] = rq.GetHead(); if( (PSLICE) 0 == pending_array[i] ) pq_count--; i = PENDING_QUEUE_SIZE; // exit loop } rq.Release(); } } } return r; } ctorrent-1.3.4.dnh3.3.2/btrequest.h0000644000000000000000000000450511227344303017047 0ustar00usergroup00000000000000#ifndef SLICE_H #define SLICE_H #include "def.h" #include #include #include "btcontent.h" #include "bitfield.h" typedef struct _slice{ size_t index; size_t offset; size_t length; time_t reqtime; struct _slice *next; }SLICE,*PSLICE; class RequestQueue { private: PSLICE rq_head; public: PSLICE rq_send; // next slice to request RequestQueue(); ~RequestQueue(); void Empty(); void SetHead(PSLICE ps); void SetNextSend(PSLICE ps) { rq_send = ps; } PSLICE GetHead() const { return rq_head; } PSLICE NextSend() const { return rq_send; } size_t GetRequestIdx() const { return rq_head ? rq_head->index : BTCONTENT.GetNPieces(); } size_t GetRequestLen() const { return rq_head ? rq_head->length : 0; } void Release(){ rq_head = rq_send = (PSLICE) 0; } int IsValidRequest(size_t idx,size_t off,size_t len) const; void operator=(RequestQueue &rq); int Copy(const RequestQueue *prq, size_t idx); int CopyShuffle(const RequestQueue *prq, size_t idx); size_t Qsize() const; size_t Qlen(size_t piece) const; int LastSlice() const; int IsEmpty() const { return rq_head ? 0 : 1; } int Insert(PSLICE ps,size_t idx,size_t off,size_t len); int Add(size_t idx,size_t off,size_t len); int Append(PSLICE ps); int Remove(size_t idx,size_t off,size_t len); int Requeue(size_t idx,size_t off,size_t len); void MoveLast(PSLICE ps); int HasIdx(size_t idx) const; int HasSlice(size_t idx, size_t off, size_t len) const; time_t GetReqTime(size_t idx,size_t off,size_t len) const; void SetReqTime(PSLICE n,time_t t); int Pop(size_t *pidx,size_t *poff,size_t *plen); int Peek(size_t *pidx,size_t *poff,size_t *plen) const; int CreateWithIdx(size_t idx); size_t NSlices(size_t idx) const; size_t Slice_Length(size_t idx,size_t sidx) const; }; #define PENDING_QUEUE_SIZE 100 class PendingQueue { private: PSLICE pending_array[PENDING_QUEUE_SIZE]; size_t pq_count; public: PendingQueue(); ~PendingQueue(); void Empty(); int Pending(RequestQueue *prq); size_t ReAssign(RequestQueue *prq, BitField &bf); int Exist(size_t idx) const; int HasSlice(size_t idx, size_t off, size_t len); int Delete(size_t idx); int DeleteSlice(size_t idx, size_t off, size_t len); }; extern PendingQueue PENDINGQUEUE; #endif ctorrent-1.3.4.dnh3.3.2/btstream.cpp0000644000000000000000000001156011227344303017204 0ustar00usergroup00000000000000#include "btstream.h" // def.h #include #include #include #include // memcpy #include "msgencode.h" #include "btconfig.h" #ifndef HAVE_CLOCK_GETTIME #include "compat.h" #endif size_t get_nl(char *from) { // assumes H_INT_LEN==H_LEN==4 uint32_t t = 0; memcpy(&t, from, H_INT_LEN); return (size_t)ntohl((unsigned long)t); } void set_nl(char *to, size_t from) { // assumes H_INT_LEN==H_LEN==4 uint32_t from32 = (uint32_t)htonl((unsigned long)from); memcpy(to, &from32, H_INT_LEN); } ssize_t btStream::Flush() { return out_buffer.FlushOut(sock); } ssize_t btStream::Send_State(unsigned char state) { char msg[H_LEN + H_BASE_LEN]; set_nl(msg, H_BASE_LEN); msg[H_LEN] = (char)state; return out_buffer.Put(sock,msg,H_LEN + H_BASE_LEN); } ssize_t btStream::Send_Have(size_t idx) { char msg[H_LEN + H_HAVE_LEN]; set_nl(msg, H_HAVE_LEN); msg[H_LEN] = (char)M_HAVE; set_nl(msg + H_LEN + H_BASE_LEN, idx); return out_buffer.Put(sock,msg,H_LEN + H_HAVE_LEN); } ssize_t btStream::Send_Bitfield(char *bit_buf,size_t len) { size_t q = htonl(len + H_BASE_LEN); unsigned char t = M_BITFIELD; ssize_t r = out_buffer.Put(sock,(char*)&q,H_LEN); if(r < 0) return r; r = out_buffer.Put(sock,(char*)&t,H_BASE_LEN); if(r < 0) return r; return out_buffer.Put(sock,bit_buf,len); } ssize_t btStream::Send_Cancel(size_t idx,size_t off,size_t len) { char msg[H_LEN + H_CANCEL_LEN]; set_nl(msg, H_CANCEL_LEN); msg[H_LEN] = M_CANCEL; set_nl(msg + H_LEN + H_BASE_LEN, idx); set_nl(msg + H_LEN + H_BASE_LEN + H_INT_LEN, off); set_nl(msg + H_LEN + H_BASE_LEN + H_INT_LEN * 2, len); return out_buffer.Put(sock,msg,H_LEN + H_CANCEL_LEN); } ssize_t btStream::Send_Piece(size_t idx,size_t off,char *piece_buf,size_t len) { size_t q = htonl(len + H_PIECE_LEN); unsigned char t = M_PIECE; ssize_t r; idx = htonl(idx); off = htonl(off); if( (r = out_buffer.Put(sock,(char*)&q,H_LEN)) < 0 ) return r; if( (r = out_buffer.Put(sock,(char*)&t,H_BASE_LEN)) < 0 ) return r; if( (r = out_buffer.Put(sock,(char*)&idx,H_INT_LEN)) < 0) return r; if( (r = out_buffer.Put(sock,(char*)&off,H_INT_LEN)) < 0) return r; return out_buffer.PutFlush(sock,piece_buf,len); } ssize_t btStream::Send_Request(size_t idx, size_t off,size_t len) { char msg[H_LEN + H_REQUEST_LEN]; set_nl(msg, H_REQUEST_LEN); msg[H_LEN] = (char)M_REQUEST; set_nl(msg + H_LEN + H_BASE_LEN, idx); set_nl(msg + H_LEN + H_BASE_LEN + H_INT_LEN, off); set_nl(msg + H_LEN + H_BASE_LEN + H_INT_LEN * 2, len); return out_buffer.Put(sock,msg,H_LEN + H_REQUEST_LEN); } ssize_t btStream::Send_Keepalive() { size_t i = 0; return out_buffer.Put(sock,(char*)&i,H_LEN); } int btStream::HaveMessage() { // if message arrived. size_t r; if( H_LEN <= in_buffer.Count() ){ r = get_nl(in_buffer.BasePointer()); if( cfg_max_slice_size + H_LEN + H_PIECE_LEN < r ) return -1; //message too long if( r + H_LEN <= in_buffer.Count() ) return 1; } return 0; //no message arrived } ssize_t btStream::Feed() { return in_buffer.FeedIn(sock); } ssize_t btStream::Feed(Rate *rate) { return Feed(0, rate); } ssize_t btStream::Feed(size_t limit, Rate *rate) { ssize_t retval; struct timespec nowspec; clock_gettime(CLOCK_REALTIME, &nowspec); retval = in_buffer.FeedIn(sock, limit); if( H_LEN + H_PIECE_LEN < in_buffer.Count() && M_PIECE == in_buffer.BasePointer()[H_LEN] ){ size_t r = get_nl(in_buffer.BasePointer()); if( r > H_PIECE_LEN ){ size_t change; if( in_buffer.Count() >= r + H_LEN ){ // have the whole message change = r - H_PIECE_LEN - m_oldbytes; m_oldbytes = 0; }else{ size_t nbytes = in_buffer.Count() - H_LEN - H_PIECE_LEN; change = nbytes - m_oldbytes; m_oldbytes = nbytes; } rate->RateAdd(change, (size_t)cfg_max_bandwidth_down, nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000); } } return retval; } ssize_t btStream::PickMessage() { return in_buffer.PickUp( get_nl(in_buffer.BasePointer()) + H_LEN ); } ssize_t btStream::Send_Buffer(char *buf, size_t len) { return out_buffer.Put(sock,buf,len); } // Does not distinguish between keepalive, choke (msg 0), and no message. char btStream::PeekMessage() { return ( H_LEN < in_buffer.Count() && get_nl(in_buffer.BasePointer()) ) ? in_buffer.BasePointer()[H_LEN] : 0; } // Is the next message known to match m? int btStream::PeekMessage(char m) { return ( H_LEN < in_buffer.Count() && m == in_buffer.BasePointer()[H_LEN] && get_nl(in_buffer.BasePointer()) ) ? 1 : 0; } // Is the next next message known to match m? int btStream::PeekNextMessage(char m) { char *base; base = in_buffer.BasePointer() + H_LEN + get_nl(in_buffer.BasePointer()); return ( H_LEN < in_buffer.Count() - (base - in_buffer.BasePointer()) && m == base[H_LEN] && get_nl(base) ) ? 1 : 0; } ctorrent-1.3.4.dnh3.3.2/btstream.h0000644000000000000000000000273511227344303016655 0ustar00usergroup00000000000000#ifndef BTSTREAM_H #define BTSTREAM_H #include "./def.h" #include "./bufio.h" #ifdef WINDOWS #include #else #include #endif #include "rate.h" size_t get_nl(char *from); void set_nl(char *to, size_t from); class btStream { private: SOCKET sock, sock_was; size_t m_oldbytes; public: BufIo in_buffer; BufIo out_buffer; btStream() { sock = sock_was = INVALID_SOCKET; m_oldbytes = 0; } ~btStream() { if( INVALID_SOCKET != sock) CLOSE_SOCKET(sock); } SOCKET GetSocket() { return (INVALID_SOCKET==sock) ? sock_was : sock; } void SetSocket(SOCKET sk){ sock = sk; } void Close(){ if( INVALID_SOCKET != sock ){ CLOSE_SOCKET(sock); sock_was = sock; sock = INVALID_SOCKET; } in_buffer.Close(); out_buffer.Close(); } ssize_t PickMessage(); //移除接收缓存中的一条消息 ssize_t Feed(); ssize_t Feed(Rate *rate); ssize_t Feed(size_t limit, Rate *rate); int HaveMessage(); // 返回值 1: 缓存中有消息 0: 暂无消息 -1: 失败 char PeekMessage(); int PeekMessage(char m); int PeekNextMessage(char m); ssize_t Send_Keepalive(); ssize_t Send_State(unsigned char state); ssize_t Send_Have(size_t idx); ssize_t Send_Piece(size_t idx,size_t off,char *piece_buf,size_t len); ssize_t Send_Bitfield(char *bit_buf,size_t len); ssize_t Send_Request(size_t idx,size_t off,size_t len); ssize_t Send_Cancel(size_t idx,size_t off,size_t len); ssize_t Send_Buffer(char *buf,size_t len); ssize_t Flush(); }; #endif ctorrent-1.3.4.dnh3.3.2/bttime.h0000644000000000000000000000012211227344303016304 0ustar00usergroup00000000000000#ifndef BTTIME_H #define BTTIME_H #include extern time_t now; #endif ctorrent-1.3.4.dnh3.3.2/bufio.cpp0000644000000000000000000000651411227344303016472 0ustar00usergroup00000000000000#include "./bufio.h" #ifndef WINDOWS #include #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #include #include #endif #include #include #include "btrequest.h" #define _left_buffer_size (n - p) BufIo::BufIo() { f_socket_remote_closed = 0; b = new char[BUF_DEF_SIZ]; #ifndef WINDOWS if( !b ) throw 9; #endif p = 0; n = BUF_DEF_SIZ; } ssize_t BufIo::_realloc_buffer() { return SetSize(n + BUF_INC_SIZ); } ssize_t BufIo::SetSize(size_t len) { char *tbuf; if( len > BUF_MAX_SIZ ) return -1; // buffer too long if( p > len) len = p; if( len == n ) return 0; tbuf = new char[len]; #ifndef WINDOWS if( !tbuf ) return -1; #endif if(p) memcpy(tbuf, b, p); delete []b; b = tbuf; n = len; return 0; } // retval // successful return bytes sended. otherwise -1; ssize_t BufIo::_SEND(SOCKET sk, char *buf, size_t len) { ssize_t r; size_t t = 0; for(; len;){ r = SEND(sk,buf,len); if(r < 0){ #ifndef WINDOWS if(errno == EINTR) continue; #endif return (EWOULDBLOCK == errno || EAGAIN == errno) ? (ssize_t)t : -1; }else if( 0 == r ){ return (ssize_t)t; // no possible??? }else{ buf += r; len -= r; t += r; } } return (ssize_t)t; } ssize_t BufIo::_RECV(SOCKET sk, char *buf,size_t len) { ssize_t r; size_t t = 0; for(; len;){ r = RECV(sk,(char*)buf,len); if(r < 0){ #ifndef WINDOWS if(errno == EINTR) continue; #endif return (EWOULDBLOCK == errno || EAGAIN == errno) ? (ssize_t)t : -1; }else if( 0 == r ){ f_socket_remote_closed = 1; return (ssize_t)t; //connection closed by remote. }else{ buf += r; len -= r; t += r; } } return (ssize_t)t; } ssize_t BufIo::Put(SOCKET sk, char *buf,size_t len) { ssize_t r; if( _left_buffer_size < len ){ //no enough space r = FlushOut(sk); if( r < 0 ) return r; for( ; _left_buffer_size < len; ) // still no enough space if(_realloc_buffer() < 0) return -3; } memcpy(b + p, buf, len); p += len; return 0; } ssize_t BufIo::FeedIn(SOCKET sk) { return FeedIn(sk, _left_buffer_size); } ssize_t BufIo::FeedIn(SOCKET sk, size_t limit) { ssize_t r; if(!_left_buffer_size) if(_realloc_buffer() < 0) return (ssize_t) -2; if( 0==limit || limit > _left_buffer_size ) limit = _left_buffer_size; r = _RECV(sk, b + p, limit); if( r < 0 ) return -1; else{ if( r ) p += r; if( f_socket_remote_closed ) return -2; // connection closed by remote } return (ssize_t) p; } ssize_t BufIo::PutFlush(SOCKET sk, char *buf,size_t len) { if( _left_buffer_size < len && p){ if( FlushOut(sk) < 0) return -1; } for(; _left_buffer_size < len; ) if( _realloc_buffer() < 0) return -3; memcpy(b + p, buf, len); p += len; return FlushOut(sk); } // retval // >= 0 left bytes in buffer // < 0 failed ssize_t BufIo::FlushOut(SOCKET sk) { ssize_t r; if( !p ) return 0; // no data to be send r = _SEND(sk,b,p); if( r < 0 ) return r; else if( r > 0){ p -= r; if( p ) memmove(b, b + r, p); } return (ssize_t)p; } ssize_t BufIo::PickUp(size_t len) { if( p < len ) return -1; p -= len; if( p ) memmove(b, b + len, p); return 0; } ctorrent-1.3.4.dnh3.3.2/bufio.h0000644000000000000000000000247511227344303016141 0ustar00usergroup00000000000000#ifndef BUFIO_H #define BUFIO_H #include "def.h" #include #ifdef WINDOWS #include #endif #include "btconfig.h" #define BUF_DEF_SIZ 256 #define BUF_INC_SIZ 256 #define BUF_MAX_SIZ (cfg_max_slice_size + BUF_DEF_SIZ + BUF_INC_SIZ) class BufIo { private: char *b; // buffer size_t p; // amount of data in the buffer size_t n; // buffer size int f_socket_remote_closed; ssize_t _realloc_buffer(); ssize_t _SEND(SOCKET socket,char *buf,size_t len); ssize_t _RECV(SOCKET socket,char *buf,size_t len); public: BufIo(); ~BufIo() { if(b){ delete []b; b = (char*) 0;} } ssize_t SetSize(size_t len); void Reset(){ p = 0; f_socket_remote_closed = 0;} void Close(){ if( b ){ delete []b; b = (char*) 0; } p = n = 0; } size_t Count() const { return p; } //缓存中现有字节数 size_t LeftSize() const { return (n - p); } ssize_t PickUp(size_t len); //移除缓存中前len个字节 ssize_t FeedIn(SOCKET sk); //从sk读数据到缓存直到暂时无数据可读或缓冲区满 ssize_t FeedIn(SOCKET sk, size_t limit); ssize_t FlushOut(SOCKET sk); //将缓存中数据写到socket ssize_t Put(SOCKET sk,char *buf,size_t len); //将buf内容添加到缓存 ssize_t PutFlush(SOCKET sk,char *buf,size_t len); char *BasePointer() { return b; } char *CurrentPointer() { return ( b + p); } }; #endif ctorrent-1.3.4.dnh3.3.2/compat.c0000644000000000000000000000567411227344303016317 0ustar00usergroup00000000000000#include "def.h" /* compat.c: Copyright 2007 Dennis Holmes (dholmes@rahul.net) * except as noted. */ #ifdef HAVE_SYS_PARAM_H #include #endif #include "compat.h" #ifndef HAVE_CLOCK_GETTIME int clock_gettime(clockid_t clock_id, struct timespec *tp) { int r = 0; #if defined(HAVE_GETTIMEOFDAY) struct timeval tv; if( (r = gettimeofday(&tv, (struct timezone *)0)) == 0 ){ tp->tv_sec = tv.tv_sec; tp->tv_nsec = tv.tv_usec * 1000; } #else #error No suitable precision timing functions appear to be available! #error Please report this problem and identify your system platform. #endif return r; } #endif #ifndef HAVE_VSNPRINTF int vsnprintf(char *str, size_t size, const char *format, va_list ap) { int r; char *buffer[4*MAXPATHLEN]; /* git-r-dun */ if( (r = vsprintf(buffer, format, ap)) >= 0){ strncpy(str, buffer, size-1); str[size] = '\0'; } return r; } #endif #ifndef HAVE_SNPRINTF int snprintf(char *str, size_t size, const char *format, ...) { int r; va_list ap; va_start(ap, format); r = vsnprintf(str, size, format, ap); va_end(ap); return r; } #endif #ifndef HAVE_STRNSTR #include /* FUNCTION PROGRAMER: Siberiaic Sang */ char *strnstr(const char *haystack, const char *needle, size_t haystacklen) { char *p; ssize_t plen; ssize_t len = strlen(needle); if( *needle == '\0' ) return (char *)haystack; plen = haystacklen; for( p = (char *)haystack; p != (char *)0; p = (char *)memchr(p + 1, *needle, plen-1) ){ plen = haystacklen - (p - haystack); if( plen < len ) return (char *)0; if( strncmp(p, needle, len) == 0 ) return (p); } return (char*) 0; } #endif #ifndef HAVE_STRNCASECMP #include int strncasecmp(const char *s1, const char *s2, size_t len) { unsigned char c1, c2; int r = 0; for( ; r==0 && len && *s1 && *s2; s1++, s2++, len-- ){ if( *s1 == *s2 ) continue; c1 = (unsigned char)tolower((int)*s1); c2 = (unsigned char)tolower((int)*s2); if( c1 == c2 ) continue; else if( c1 < c2 ) r = -1; else if( c1 > c2 ) r = 1; } if( r==0 && len ){ if( !*s1 && !*s2 ) r = 0; else if( *s1 ) r = 1; else r = -1; } return r; } #endif #ifndef HAVE_STRCASECMP int strcasecmp(const char *s1, const char *s2) { return strncasecmp(s1, s2, strlen(s1)); } #endif #ifndef HAVE_RANDOM long random(void) { long result; unsigned long maxlong = 0, i = RAND_MAX; maxlong--; maxlong /= 2; result = (long)rand(); while( i < maxlong ){ result = (result * 2UL*(RAND_MAX+1UL)) | rand(); i *= 2UL*(RAND_MAX+1UL); } return (result < 0) ? -result : result; } void srandom(unsigned long seed) { unsigned useed; if( sizeof(seed) > sizeof(useed) ){ unsigned long mask = 0xffff; int i = 2; while( i < sizeof(useed) ){ mask = (mask << 16) | 0xffff; i += 2; } useed = (unsigned)(seed & mask); }else useed = seed; srand(useed); } #endif ctorrent-1.3.4.dnh3.3.2/compat.h0000644000000000000000000000216111227344303016310 0ustar00usergroup00000000000000#ifndef COMPAT_H #define COMPAT_H /* compat.h: Copyright 2007 Dennis Holmes (dholmes@rahul.net) */ #ifdef __cplusplus extern "C" { #endif #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME) #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifndef CLOCK_REALTIME #define CLOCK_REALTIME 0 #endif #ifndef HAVE_CLOCKID_T typedef int clockid_t; #endif #ifndef HAVE_CLOCK_GETTIME int clock_gettime(clockid_t clock_id, struct timespec *tp); #endif #ifndef HAVE_VSNPRINTF #include int vsnprintf(char *str, size_t size, const char *format, va_list ap); #endif #ifndef HAVE_SNPRINTF #include int snprintf(char *str, size_t size, const char *format, ...); #endif #ifndef HAVE_STRNSTR char *strnstr(const char *haystack, const char *needle, size_t haystacklen); #endif #ifndef HAVE_STRNCASECMP int strncasecmp(const char *s1, const char *s2, size_t len); #endif #ifndef HAVE_STRCASECMP int strcasecmp(const char *s1, const char *s2); #endif #ifndef HAVE_RANDOM long random(void); void srandom(unsigned long seed); #endif #ifdef __cplusplus } #endif #endif // COMPAT_H ctorrent-1.3.4.dnh3.3.2/config.h.in0000644000000000000000000002213111227344303016676 0ustar00usergroup00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if `TIOCGWINSZ' requires . */ #undef GWINSZ_IN_SYS_IOCTL /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H /* Define to 1 if you have the clockid_t type. */ #undef HAVE_CLOCKID_T /* Define to 1 if you have the `clock_gettime' function. */ #undef HAVE_CLOCK_GETTIME /* Define if ctime_r() takes 2 arguments. */ #undef HAVE_CTIME_R_2 /* Define if ctime_r() takes 3 arguments. */ #undef HAVE_CTIME_R_3 /* Define to 1 if you have the header file, and it defines `DIR'. */ #undef HAVE_DIRENT_H /* Define to 1 if you have the header file. */ #undef HAVE_FCNTL_H /* Define to 1 if you have the `fork' function. */ #undef HAVE_FORK /* Define to 1 if fseeko (and presumably ftello) exists and is declared. */ #undef HAVE_FSEEKO /* Define to 1 if you have the `ftruncate' function. */ #undef HAVE_FTRUNCATE /* Define to 1 if you have the `gethostbyname' function. */ #undef HAVE_GETHOSTBYNAME /* Define to 1 if you have the 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then : else { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi ac_ext=cpp ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_cxx_compiler_gnu { echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # Extract the first word of "grep ggrep" to use in msg output if test -z "$GREP"; then set dummy grep ggrep; ac_prog_name=$2 if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_GREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in grep ggrep; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue # Check for GNU ac_path_GREP and select it if it is found. # Check for GNU $ac_path_GREP case `"$ac_path_GREP" --version 2>&1` in *GNU*) ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; *) ac_count=0 echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" echo 'GREP' >> "conftest.nl" "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break ac_count=`expr $ac_count + 1` if test $ac_count -gt ${ac_path_GREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_GREP_found && break 3 done done done IFS=$as_save_IFS fi GREP="$ac_cv_path_GREP" if test -z "$GREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_GREP=$GREP fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5 echo "${ECHO_T}$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6; } if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else # Extract the first word of "egrep" to use in msg output if test -z "$EGREP"; then set dummy egrep; ac_prog_name=$2 if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_EGREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in egrep; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue # Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" echo 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break ac_count=`expr $ac_count + 1` if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_EGREP_found && break 3 done done done IFS=$as_save_IFS fi EGREP="$ac_cv_path_EGREP" if test -z "$EGREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_EGREP=$EGREP fi fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5 echo "${ECHO_T}$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" { echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; } if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) return 2; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then : else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_header_stdc=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi { echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6; } if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\_ACEOF #define STDC_HEADERS 1 _ACEOF fi { echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5 echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6; } if test "${ac_cv_header_time+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include int main () { if ((struct tm *) 0) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_header_time=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_time=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5 echo "${ECHO_T}$ac_cv_header_time" >&6; } if test $ac_cv_header_time = yes; then cat >>confdefs.h <<\_ACEOF #define TIME_WITH_SYS_TIME 1 _ACEOF fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in arpa/inet.h fcntl.h limits.h memory.h netdb.h netinet/in.h sys/param.h sys/socket.h sys/time.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ---------------------------------------------------------------------------------- ## ## Report this to http://sourceforge.net/projects/dtorrent/ or dholmes@ct.boxmail.com ## ## ---------------------------------------------------------------------------------- ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else eval "$as_ac_Header=\$ac_header_preproc" fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } fi if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in termios.h termio.h sgtty.h ioctl.h sys/ioctl.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? 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grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_type_ssize_t=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_ssize_t=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5 echo "${ECHO_T}$ac_cv_type_ssize_t" >&6; } if test $ac_cv_type_ssize_t = yes; then : else cat >>confdefs.h <<_ACEOF #define ssize_t int _ACEOF fi { echo "$as_me:$LINENO: checking for int8_t" >&5 echo $ECHO_N "checking for int8_t... $ECHO_C" >&6; } if test "${ac_cv_c_int8_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_int8_t=no for ac_type in 'int8_t' 'int' 'long int' \ 'long long int' 'short int' 'signed char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(0 < ($ac_type) (((($ac_type) 1 << (8 - 2)) - 1) * 2 + 1))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) (((($ac_type) 1 << (8 - 2)) - 1) * 2 + 1) < ($ac_type) (((($ac_type) 1 << (8 - 2)) - 1) * 2 + 2))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 case $ac_type in int8_t) ac_cv_c_int8_t=yes ;; *) ac_cv_c_int8_t=$ac_type ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_int8_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_int8_t" >&5 echo "${ECHO_T}$ac_cv_c_int8_t" >&6; } case $ac_cv_c_int8_t in #( no|yes) ;; #( *) cat >>confdefs.h <<_ACEOF #define int8_t $ac_cv_c_int8_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for int16_t" >&5 echo $ECHO_N "checking for int16_t... $ECHO_C" >&6; } if test "${ac_cv_c_int16_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_int16_t=no for ac_type in 'int16_t' 'int' 'long int' \ 'long long int' 'short int' 'signed char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(0 < ($ac_type) (((($ac_type) 1 << (16 - 2)) - 1) * 2 + 1))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) (((($ac_type) 1 << (16 - 2)) - 1) * 2 + 1) < ($ac_type) (((($ac_type) 1 << (16 - 2)) - 1) * 2 + 2))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 case $ac_type in int16_t) ac_cv_c_int16_t=yes ;; *) ac_cv_c_int16_t=$ac_type ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_int16_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_int16_t" >&5 echo "${ECHO_T}$ac_cv_c_int16_t" >&6; } case $ac_cv_c_int16_t in #( no|yes) ;; #( *) cat >>confdefs.h <<_ACEOF #define int16_t $ac_cv_c_int16_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for int32_t" >&5 echo $ECHO_N "checking for int32_t... $ECHO_C" >&6; } if test "${ac_cv_c_int32_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_int32_t=no for ac_type in 'int32_t' 'int' 'long int' \ 'long long int' 'short int' 'signed char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(0 < ($ac_type) (((($ac_type) 1 << (32 - 2)) - 1) * 2 + 1))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) (((($ac_type) 1 << (32 - 2)) - 1) * 2 + 1) < ($ac_type) (((($ac_type) 1 << (32 - 2)) - 1) * 2 + 2))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 case $ac_type in int32_t) ac_cv_c_int32_t=yes ;; *) ac_cv_c_int32_t=$ac_type ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_int32_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_int32_t" >&5 echo "${ECHO_T}$ac_cv_c_int32_t" >&6; } case $ac_cv_c_int32_t in #( no|yes) ;; #( *) cat >>confdefs.h <<_ACEOF #define int32_t $ac_cv_c_int32_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for int64_t" >&5 echo $ECHO_N "checking for int64_t... $ECHO_C" >&6; } if test "${ac_cv_c_int64_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_int64_t=no for ac_type in 'int64_t' 'int' 'long int' \ 'long long int' 'short int' 'signed char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(0 < ($ac_type) (((($ac_type) 1 << (64 - 2)) - 1) * 2 + 1))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) (((($ac_type) 1 << (64 - 2)) - 1) * 2 + 1) < ($ac_type) (((($ac_type) 1 << (64 - 2)) - 1) * 2 + 2))]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 case $ac_type in int64_t) ac_cv_c_int64_t=yes ;; *) ac_cv_c_int64_t=$ac_type ;; esac fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_int64_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_int64_t" >&5 echo "${ECHO_T}$ac_cv_c_int64_t" >&6; } case $ac_cv_c_int64_t in #( no|yes) ;; #( *) cat >>confdefs.h <<_ACEOF #define int64_t $ac_cv_c_int64_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for uint8_t" >&5 echo $ECHO_N "checking for uint8_t... $ECHO_C" >&6; } if test "${ac_cv_c_uint8_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_uint8_t=no for ac_type in 'uint8_t' 'unsigned int' 'unsigned long int' \ 'unsigned long long int' 'unsigned short int' 'unsigned char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) -1 >> (8 - 1) == 1)]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then case $ac_type in uint8_t) ac_cv_c_uint8_t=yes ;; *) ac_cv_c_uint8_t=$ac_type ;; esac else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_uint8_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_uint8_t" >&5 echo "${ECHO_T}$ac_cv_c_uint8_t" >&6; } case $ac_cv_c_uint8_t in #( no|yes) ;; #( *) cat >>confdefs.h <<\_ACEOF #define _UINT8_T 1 _ACEOF cat >>confdefs.h <<_ACEOF #define uint8_t $ac_cv_c_uint8_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for uint16_t" >&5 echo $ECHO_N "checking for uint16_t... $ECHO_C" >&6; } if test "${ac_cv_c_uint16_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_uint16_t=no for ac_type in 'uint16_t' 'unsigned int' 'unsigned long int' \ 'unsigned long long int' 'unsigned short int' 'unsigned char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) -1 >> (16 - 1) == 1)]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then case $ac_type in uint16_t) ac_cv_c_uint16_t=yes ;; *) ac_cv_c_uint16_t=$ac_type ;; esac else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_uint16_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_uint16_t" >&5 echo "${ECHO_T}$ac_cv_c_uint16_t" >&6; } case $ac_cv_c_uint16_t in #( no|yes) ;; #( *) cat >>confdefs.h <<_ACEOF #define uint16_t $ac_cv_c_uint16_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for uint32_t" >&5 echo $ECHO_N "checking for uint32_t... $ECHO_C" >&6; } if test "${ac_cv_c_uint32_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_uint32_t=no for ac_type in 'uint32_t' 'unsigned int' 'unsigned long int' \ 'unsigned long long int' 'unsigned short int' 'unsigned char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) -1 >> (32 - 1) == 1)]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then case $ac_type in uint32_t) ac_cv_c_uint32_t=yes ;; *) ac_cv_c_uint32_t=$ac_type ;; esac else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_uint32_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_uint32_t" >&5 echo "${ECHO_T}$ac_cv_c_uint32_t" >&6; } case $ac_cv_c_uint32_t in #( no|yes) ;; #( *) cat >>confdefs.h <<\_ACEOF #define _UINT32_T 1 _ACEOF cat >>confdefs.h <<_ACEOF #define uint32_t $ac_cv_c_uint32_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for uint64_t" >&5 echo $ECHO_N "checking for uint64_t... $ECHO_C" >&6; } if test "${ac_cv_c_uint64_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_c_uint64_t=no for ac_type in 'uint64_t' 'unsigned int' 'unsigned long int' \ 'unsigned long long int' 'unsigned short int' 'unsigned char'; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(($ac_type) -1 >> (64 - 1) == 1)]; test_array [0] = 0 ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then case $ac_type in uint64_t) ac_cv_c_uint64_t=yes ;; *) ac_cv_c_uint64_t=$ac_type ;; esac else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext test "$ac_cv_c_uint64_t" != no && break done fi { echo "$as_me:$LINENO: result: $ac_cv_c_uint64_t" >&5 echo "${ECHO_T}$ac_cv_c_uint64_t" >&6; } case $ac_cv_c_uint64_t in #( no|yes) ;; #( *) cat >>confdefs.h <<\_ACEOF #define _UINT64_T 1 _ACEOF cat >>confdefs.h <<_ACEOF #define uint64_t $ac_cv_c_uint64_t _ACEOF ;; esac { echo "$as_me:$LINENO: checking for clockid_t" >&5 echo $ECHO_N "checking for clockid_t... $ECHO_C" >&6; } if test "${ac_cv_type_clockid_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default typedef clockid_t ac__type_new_; int main () { if ((ac__type_new_ *) 0) return 0; if (sizeof (ac__type_new_)) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_type_clockid_t=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_clockid_t=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_type_clockid_t" >&5 echo "${ECHO_T}$ac_cv_type_clockid_t" >&6; } if test $ac_cv_type_clockid_t = yes; then cat >>confdefs.h <<\_ACEOF #define HAVE_CLOCKID_T 1 _ACEOF fi { echo "$as_me:$LINENO: checking whether INADDR_NONE is declared" >&5 echo $ECHO_N "checking whether INADDR_NONE is declared... $ECHO_C" >&6; } if test "${ac_cv_have_decl_INADDR_NONE+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include int main () { #ifndef INADDR_NONE (void) INADDR_NONE; #endif ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_have_decl_INADDR_NONE=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_have_decl_INADDR_NONE=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_have_decl_INADDR_NONE" >&5 echo "${ECHO_T}$ac_cv_have_decl_INADDR_NONE" >&6; } if test $ac_cv_have_decl_INADDR_NONE = yes; then : else cat >>confdefs.h <<\_ACEOF #define INADDR_NONE ((unsigned long)-1) _ACEOF fi { echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5 echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6; } if test "${ac_cv_c_bigendian+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # See if sys/param.h defines the BYTE_ORDER macro. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include int main () { #if ! (defined BYTE_ORDER && defined BIG_ENDIAN && defined LITTLE_ENDIAN \ && BYTE_ORDER && BIG_ENDIAN && LITTLE_ENDIAN) bogus endian macros #endif ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then # It does; now see whether it defined to BIG_ENDIAN or not. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include int main () { #if BYTE_ORDER != BIG_ENDIAN not big endian #endif ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_c_bigendian=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_c_bigendian=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # It does not; compile a test program. if test "$cross_compiling" = yes; then # try to guess the endianness by grepping values into an object file ac_cv_c_bigendian=unknown cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; } short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; } int main () { _ascii (); _ebcdic (); ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then if grep BIGenDianSyS conftest.$ac_objext >/dev/null ; then ac_cv_c_bigendian=yes fi if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then if test "$ac_cv_c_bigendian" = unknown; then ac_cv_c_bigendian=no else # finding both strings is unlikely to happen, but who knows? ac_cv_c_bigendian=unknown fi fi else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { /* Are we little or big endian? From Harbison&Steele. */ union { long int l; char c[sizeof (long int)]; } u; u.l = 1; return u.c[sizeof (long int) - 1] == 1; ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_bigendian=no else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_c_bigendian=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5 echo "${ECHO_T}$ac_cv_c_bigendian" >&6; } case $ac_cv_c_bigendian in yes) cat >>confdefs.h <<\_ACEOF #define WORDS_BIGENDIAN 1 _ACEOF ;; no) ;; *) { { echo "$as_me:$LINENO: error: unknown endianness presetting ac_cv_c_bigendian=no (or yes) will help" >&5 echo "$as_me: error: unknown endianness presetting ac_cv_c_bigendian=no (or yes) will help" >&2;} { (exit 1); exit 1; }; } ;; esac # Checks for library functions. { echo "$as_me:$LINENO: checking for working memcmp" >&5 echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6; } if test "${ac_cv_func_memcmp_working+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_memcmp_working=no else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { /* Some versions of memcmp are not 8-bit clean. */ char c0 = '\100', c1 = '\200', c2 = '\201'; if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0) return 1; /* The Next x86 OpenStep bug shows up only when comparing 16 bytes or more and with at least one buffer not starting on a 4-byte boundary. William Lewis provided this test program. */ { char foo[21]; char bar[21]; int i; for (i = 0; i < 4; i++) { char *a = foo + i; char *b = bar + i; strcpy (a, "--------01111111"); strcpy (b, "--------10000000"); if (memcmp (a, b, 16) >= 0) return 1; } return 0; } ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_memcmp_working=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_memcmp_working=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5 echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6; } test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in *" memcmp.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS memcmp.$ac_objext" ;; esac { echo "$as_me:$LINENO: checking return type of signal handlers" >&5 echo $ECHO_N "checking return type of signal handlers... $ECHO_C" >&6; } if test "${ac_cv_type_signal+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include int main () { return *(signal (0, 0)) (0) == 1; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_type_signal=int else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_signal=void fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_type_signal" >&5 echo "${ECHO_T}$ac_cv_type_signal" >&6; } cat >>confdefs.h <<_ACEOF #define RETSIGTYPE $ac_cv_type_signal _ACEOF { echo "$as_me:$LINENO: checking whether lstat dereferences a symlink specified with a trailing slash" >&5 echo $ECHO_N "checking whether lstat dereferences a symlink specified with a trailing slash... $ECHO_C" >&6; } if test "${ac_cv_func_lstat_dereferences_slashed_symlink+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else rm -f conftest.sym conftest.file echo >conftest.file if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then if test "$cross_compiling" = yes; then ac_cv_func_lstat_dereferences_slashed_symlink=no else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { struct stat sbuf; /* Linux will dereference the symlink and fail. That is better in the sense that it means we will not have to compile and use the lstat wrapper. */ return lstat ("conftest.sym/", &sbuf) == 0; ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_lstat_dereferences_slashed_symlink=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_lstat_dereferences_slashed_symlink=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi else # If the `ln -s' command failed, then we probably don't even # have an lstat function. ac_cv_func_lstat_dereferences_slashed_symlink=no fi rm -f conftest.sym conftest.file fi { echo "$as_me:$LINENO: result: $ac_cv_func_lstat_dereferences_slashed_symlink" >&5 echo "${ECHO_T}$ac_cv_func_lstat_dereferences_slashed_symlink" >&6; } test $ac_cv_func_lstat_dereferences_slashed_symlink = yes && cat >>confdefs.h <<_ACEOF #define LSTAT_FOLLOWS_SLASHED_SYMLINK 1 _ACEOF if test $ac_cv_func_lstat_dereferences_slashed_symlink = no; then case " $LIBOBJS " in *" lstat.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS lstat.$ac_objext" ;; esac fi { echo "$as_me:$LINENO: checking whether stat accepts an empty string" >&5 echo $ECHO_N "checking whether stat accepts an empty string... $ECHO_C" >&6; } if test "${ac_cv_func_stat_empty_string_bug+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_stat_empty_string_bug=yes else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { struct stat sbuf; return stat ("", &sbuf) == 0; ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_stat_empty_string_bug=no else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_stat_empty_string_bug=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_func_stat_empty_string_bug" >&5 echo "${ECHO_T}$ac_cv_func_stat_empty_string_bug" >&6; } if test $ac_cv_func_stat_empty_string_bug = yes; then case " $LIBOBJS " in *" stat.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS stat.$ac_objext" ;; esac cat >>confdefs.h <<_ACEOF #define HAVE_STAT_EMPTY_STRING_BUG 1 _ACEOF fi { echo "$as_me:$LINENO: checking for working strtod" >&5 echo $ECHO_N "checking for working strtod... $ECHO_C" >&6; } if test "${ac_cv_func_strtod+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_strtod=no else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #ifndef strtod double strtod (); #endif int main() { { /* Some versions of Linux strtod mis-parse strings with leading '+'. */ char *string = " +69"; char *term; double value; value = strtod (string, &term); if (value != 69 || term != (string + 4)) return 1; } { /* Under Solaris 2.4, strtod returns the wrong value for the terminating character under some conditions. */ char *string = "NaN"; char *term; strtod (string, &term); if (term != string && *(term - 1) == 0) return 1; } return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_strtod=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_strtod=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_func_strtod" >&5 echo "${ECHO_T}$ac_cv_func_strtod" >&6; } if test $ac_cv_func_strtod = no; then case " $LIBOBJS " in *" strtod.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS strtod.$ac_objext" ;; esac { echo "$as_me:$LINENO: checking for pow" >&5 echo $ECHO_N "checking for pow... $ECHO_C" >&6; } if test "${ac_cv_func_pow+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Define pow to an innocuous variant, in case declares pow. For example, HP-UX 11i declares gettimeofday. */ #define pow innocuous_pow /* System header to define __stub macros and hopefully few prototypes, which can conflict with char pow (); below. Prefer to if __STDC__ is defined, since exists even on freestanding compilers. */ #ifdef __STDC__ # include #else # include #endif #undef pow /* 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 pow (); /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined __stub_pow || defined __stub___pow choke me #endif int main () { return pow (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_func_pow=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_func_pow=no fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_func_pow" >&5 echo "${ECHO_T}$ac_cv_func_pow" >&6; } if test $ac_cv_func_pow = no; then { echo "$as_me:$LINENO: checking for pow in -lm" >&5 echo $ECHO_N "checking for pow in -lm... $ECHO_C" >&6; } if test "${ac_cv_lib_m_pow+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lm $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* 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 pow (); int main () { return pow (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_lib_m_pow=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_m_pow=no fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { echo "$as_me:$LINENO: result: $ac_cv_lib_m_pow" >&5 echo "${ECHO_T}$ac_cv_lib_m_pow" >&6; } if test $ac_cv_lib_m_pow = yes; then POW_LIB=-lm else { echo "$as_me:$LINENO: WARNING: cannot find library containing definition of pow" >&5 echo "$as_me: WARNING: cannot find library containing definition of pow" >&2;} fi fi fi for ac_func in clock_gettime ftruncate gethostbyname gettimeofday getwd inet_ntoa memchr memmove memset mkdir random select snprintf socket strerror strcasecmp strncasecmp strtol strtoll strnstr system vsnprintf do as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` { echo "$as_me:$LINENO: checking for $ac_func" >&5 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; } if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Define $ac_func to an innocuous variant, in case declares $ac_func. For example, HP-UX 11i declares gettimeofday. */ #define $ac_func innocuous_$ac_func /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func (); below. Prefer to if __STDC__ is defined, since exists even on freestanding compilers. */ #ifdef __STDC__ # include #else # include #endif #undef $ac_func /* 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 $ac_func (); /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined __stub_$ac_func || defined __stub___$ac_func choke me #endif int main () { return $ac_func (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then eval "$as_ac_var=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_var=no" fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext fi ac_res=`eval echo '${'$as_ac_var'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } if test `eval echo '${'$as_ac_var'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF fi done { echo "$as_me:$LINENO: checking for pid_t" >&5 echo $ECHO_N "checking for pid_t... $ECHO_C" >&6; } if test "${ac_cv_type_pid_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default typedef pid_t ac__type_new_; int main () { if ((ac__type_new_ *) 0) return 0; if (sizeof (ac__type_new_)) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_type_pid_t=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_type_pid_t=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5 echo "${ECHO_T}$ac_cv_type_pid_t" >&6; } if test $ac_cv_type_pid_t = yes; then : else cat >>confdefs.h <<_ACEOF #define pid_t int _ACEOF fi for ac_header in vfork.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ---------------------------------------------------------------------------------- ## ## Report this to http://sourceforge.net/projects/dtorrent/ or dholmes@ct.boxmail.com ## ## ---------------------------------------------------------------------------------- ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else eval "$as_ac_Header=\$ac_header_preproc" fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } fi if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_func in fork vfork do as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` { echo "$as_me:$LINENO: checking for $ac_func" >&5 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; } if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Define $ac_func to an innocuous variant, in case declares $ac_func. For example, HP-UX 11i declares gettimeofday. */ #define $ac_func innocuous_$ac_func /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func (); below. Prefer to if __STDC__ is defined, since exists even on freestanding compilers. */ #ifdef __STDC__ # include #else # include #endif #undef $ac_func /* 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 $ac_func (); /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined __stub_$ac_func || defined __stub___$ac_func choke me #endif int main () { return $ac_func (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then eval "$as_ac_var=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_var=no" fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext fi ac_res=`eval echo '${'$as_ac_var'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } if test `eval echo '${'$as_ac_var'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF fi done if test "x$ac_cv_func_fork" = xyes; then { echo "$as_me:$LINENO: checking for working fork" >&5 echo $ECHO_N "checking for working fork... $ECHO_C" >&6; } if test "${ac_cv_func_fork_works+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_fork_works=cross else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { /* By Ruediger Kuhlmann. */ return fork () < 0; ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_fork_works=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_fork_works=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_func_fork_works" >&5 echo "${ECHO_T}$ac_cv_func_fork_works" >&6; } else ac_cv_func_fork_works=$ac_cv_func_fork fi if test "x$ac_cv_func_fork_works" = xcross; then case $host in *-*-amigaos* | *-*-msdosdjgpp*) # Override, as these systems have only a dummy fork() stub ac_cv_func_fork_works=no ;; *) ac_cv_func_fork_works=yes ;; esac { echo "$as_me:$LINENO: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} fi ac_cv_func_vfork_works=$ac_cv_func_vfork if test "x$ac_cv_func_vfork" = xyes; then { echo "$as_me:$LINENO: checking for working vfork" >&5 echo $ECHO_N "checking for working vfork... $ECHO_C" >&6; } if test "${ac_cv_func_vfork_works+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_vfork_works=cross else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Thanks to Paul Eggert for this test. */ $ac_includes_default #include #ifdef HAVE_VFORK_H # include #endif /* On some sparc systems, changes by the child to local and incoming argument registers are propagated back to the parent. The compiler is told about this with #include , but some compilers (e.g. gcc -O) don't grok . Test for this by using a static variable whose address is put into a register that is clobbered by the vfork. */ static void #ifdef __cplusplus sparc_address_test (int arg) # else sparc_address_test (arg) int arg; #endif { static pid_t child; if (!child) { child = vfork (); if (child < 0) { perror ("vfork"); _exit(2); } if (!child) { arg = getpid(); write(-1, "", 0); _exit (arg); } } } int main () { pid_t parent = getpid (); pid_t child; sparc_address_test (0); child = vfork (); if (child == 0) { /* Here is another test for sparc vfork register problems. This test uses lots of local variables, at least as many local variables as main has allocated so far including compiler temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should reuse the register of parent for one of the local variables, since it will think that parent can't possibly be used any more in this routine. Assigning to the local variable will thus munge parent in the parent process. */ pid_t p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); /* Convince the compiler that p..p7 are live; otherwise, it might use the same hardware register for all 8 local variables. */ if (p != p1 || p != p2 || p != p3 || p != p4 || p != p5 || p != p6 || p != p7) _exit(1); /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent from child file descriptors. If the child closes a descriptor before it execs or exits, this munges the parent's descriptor as well. Test for this by closing stdout in the child. */ _exit(close(fileno(stdout)) != 0); } else { int status; struct stat st; while (wait(&status) != child) ; return ( /* Was there some problem with vforking? */ child < 0 /* Did the child fail? (This shouldn't happen.) */ || status /* Did the vfork/compiler bug occur? */ || parent != getpid() /* Did the file descriptor bug occur? */ || fstat(fileno(stdout), &st) != 0 ); } } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_vfork_works=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_vfork_works=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_func_vfork_works" >&5 echo "${ECHO_T}$ac_cv_func_vfork_works" >&6; } fi; if test "x$ac_cv_func_fork_works" = xcross; then ac_cv_func_vfork_works=$ac_cv_func_vfork { echo "$as_me:$LINENO: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} fi if test "x$ac_cv_func_vfork_works" = xyes; then cat >>confdefs.h <<\_ACEOF #define HAVE_WORKING_VFORK 1 _ACEOF else cat >>confdefs.h <<\_ACEOF #define vfork fork _ACEOF fi if test "x$ac_cv_func_fork_works" = xyes; then cat >>confdefs.h <<\_ACEOF #define HAVE_WORKING_FORK 1 _ACEOF fi # Enable/check large file support # Check whether --enable-largefile was given. if test "${enable_largefile+set}" = set; then enableval=$enable_largefile; fi if test "$enable_largefile" != no; then { echo "$as_me:$LINENO: checking for special C compiler options needed for large files" >&5 echo $ECHO_N "checking for special C compiler options needed for large files... $ECHO_C" >&6; } if test "${ac_cv_sys_largefile_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_sys_largefile_CC=no if test "$GCC" != yes; then ac_save_CC=$CC while :; do # IRIX 6.2 and later do not support large files by default, # so use the C compiler's -n32 option if that helps. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include /* Check that off_t can represent 2**63 - 1 correctly. We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext CC="$CC -n32" rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_sys_largefile_CC=' -n32'; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext break done CC=$ac_save_CC rm -f conftest.$ac_ext fi fi { echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_CC" >&5 echo "${ECHO_T}$ac_cv_sys_largefile_CC" >&6; } if test "$ac_cv_sys_largefile_CC" != no; then CC=$CC$ac_cv_sys_largefile_CC fi { echo "$as_me:$LINENO: checking for _FILE_OFFSET_BITS value needed for large files" >&5 echo $ECHO_N "checking for _FILE_OFFSET_BITS value needed for large files... $ECHO_C" >&6; } if test "${ac_cv_sys_file_offset_bits+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else while :; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include /* Check that off_t can represent 2**63 - 1 correctly. We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_sys_file_offset_bits=no; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #define _FILE_OFFSET_BITS 64 #include /* Check that off_t can represent 2**63 - 1 correctly. We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_sys_file_offset_bits=64; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cv_sys_file_offset_bits=unknown break done fi { echo "$as_me:$LINENO: result: $ac_cv_sys_file_offset_bits" >&5 echo "${ECHO_T}$ac_cv_sys_file_offset_bits" >&6; } case $ac_cv_sys_file_offset_bits in #( no | unknown) ;; *) cat >>confdefs.h <<_ACEOF #define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits _ACEOF ;; esac rm -f conftest* if test $ac_cv_sys_file_offset_bits = unknown; then { echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5 echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6; } if test "${ac_cv_sys_large_files+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else while :; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include /* Check that off_t can represent 2**63 - 1 correctly. We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_sys_large_files=no; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #define _LARGE_FILES 1 #include /* Check that off_t can represent 2**63 - 1 correctly. We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_sys_large_files=1; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cv_sys_large_files=unknown break done fi { echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5 echo "${ECHO_T}$ac_cv_sys_large_files" >&6; } case $ac_cv_sys_large_files in #( no | unknown) ;; *) cat >>confdefs.h <<_ACEOF #define _LARGE_FILES $ac_cv_sys_large_files _ACEOF ;; esac rm -f conftest* fi fi { echo "$as_me:$LINENO: checking for _LARGEFILE_SOURCE value needed for large files" >&5 echo $ECHO_N "checking for _LARGEFILE_SOURCE value needed for large files... $ECHO_C" >&6; } if test "${ac_cv_sys_largefile_source+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else while :; do cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include int main () { return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_sys_largefile_source=no; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #define _LARGEFILE_SOURCE 1 #include int main () { return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_sys_largefile_source=1; break else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext ac_cv_sys_largefile_source=unknown break done fi { echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_source" >&5 echo "${ECHO_T}$ac_cv_sys_largefile_source" >&6; } case $ac_cv_sys_largefile_source in #( no | unknown) ;; *) cat >>confdefs.h <<_ACEOF #define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source _ACEOF ;; esac rm -f conftest* # We used to try defining _XOPEN_SOURCE=500 too, to work around a bug # in glibc 2.1.3, but that breaks too many other things. # If you want fseeko and ftello with glibc, upgrade to a fixed glibc. if test $ac_cv_sys_largefile_source != unknown; then cat >>confdefs.h <<\_ACEOF #define HAVE_FSEEKO 1 _ACEOF fi # Check for termios support { echo "$as_me:$LINENO: checking POSIX termios" >&5 echo $ECHO_N "checking POSIX termios... $ECHO_C" >&6; } if test "${ac_cv_sys_posix_termios+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include int main () { /* SunOS 4.0.3 has termios.h but not the library calls. */ tcgetattr(0, 0); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_sys_posix_termios=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_sys_posix_termios=no fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext fi { echo "$as_me:$LINENO: result: $ac_cv_sys_posix_termios" >&5 echo "${ECHO_T}$ac_cv_sys_posix_termios" >&6; } if test "$ac_cv_sys_posix_termios" = yes; then cat >>confdefs.h <<\_ACEOF #define USE_TERMIOS 1 _ACEOF { echo "$as_me:$LINENO: checking whether termios.h defines TIOCGWINSZ" >&5 echo $ECHO_N "checking whether termios.h defines TIOCGWINSZ... $ECHO_C" >&6; } if test "${ac_cv_sys_tiocgwinsz_in_termios_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #ifdef TIOCGWINSZ yes #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "yes" >/dev/null 2>&1; then ac_cv_sys_tiocgwinsz_in_termios_h=yes else ac_cv_sys_tiocgwinsz_in_termios_h=no fi rm -f conftest* fi { echo "$as_me:$LINENO: result: $ac_cv_sys_tiocgwinsz_in_termios_h" >&5 echo "${ECHO_T}$ac_cv_sys_tiocgwinsz_in_termios_h" >&6; } if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then { echo "$as_me:$LINENO: checking whether sys/ioctl.h defines TIOCGWINSZ" >&5 echo $ECHO_N "checking whether sys/ioctl.h defines TIOCGWINSZ... $ECHO_C" >&6; } if test "${ac_cv_sys_tiocgwinsz_in_sys_ioctl_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #ifdef TIOCGWINSZ yes #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "yes" >/dev/null 2>&1; then ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes else ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no fi rm -f conftest* fi { echo "$as_me:$LINENO: result: $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&5 echo "${ECHO_T}$ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&6; } if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then cat >>confdefs.h <<\_ACEOF #define GWINSZ_IN_SYS_IOCTL 1 _ACEOF fi fi else if test "${ac_cv_header_termio_h+set}" = set; then { echo "$as_me:$LINENO: checking for termio.h" >&5 echo $ECHO_N "checking for termio.h... $ECHO_C" >&6; } if test "${ac_cv_header_termio_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi { echo "$as_me:$LINENO: result: $ac_cv_header_termio_h" >&5 echo "${ECHO_T}$ac_cv_header_termio_h" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking termio.h usability" >&5 echo $ECHO_N "checking termio.h usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking termio.h presence" >&5 echo $ECHO_N "checking termio.h presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: termio.h: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: termio.h: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: termio.h: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: termio.h: present but cannot be compiled" >&5 echo "$as_me: WARNING: termio.h: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: termio.h: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: see the Autoconf documentation" >&5 echo "$as_me: WARNING: termio.h: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: termio.h: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: termio.h: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: termio.h: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: termio.h: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ---------------------------------------------------------------------------------- ## ## Report this to http://sourceforge.net/projects/dtorrent/ or dholmes@ct.boxmail.com ## ## ---------------------------------------------------------------------------------- ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac { echo "$as_me:$LINENO: checking for termio.h" >&5 echo $ECHO_N "checking for termio.h... $ECHO_C" >&6; } if test "${ac_cv_header_termio_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_header_termio_h=$ac_header_preproc fi { echo "$as_me:$LINENO: result: $ac_cv_header_termio_h" >&5 echo "${ECHO_T}$ac_cv_header_termio_h" >&6; } fi if test $ac_cv_header_termio_h = yes; then cat >>confdefs.h <<\_ACEOF #define USE_TERMIO 1 _ACEOF else { echo "$as_me:$LINENO: checking for library containing gtty" >&5 echo $ECHO_N "checking for library containing gtty... $ECHO_C" >&6; } if test "${ac_cv_search_gtty+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_func_search_save_LIBS=$LIBS cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char gtty (); int main () { return gtty (); ; return 0; } _ACEOF for ac_lib in '' compat; do if test -z "$ac_lib"; then ac_res="none required" else ac_res=-l$ac_lib LIBS="-l$ac_lib $ac_func_search_save_LIBS" fi rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_search_gtty=$ac_res else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext if test "${ac_cv_search_gtty+set}" = set; then break fi done if test "${ac_cv_search_gtty+set}" = set; then : else ac_cv_search_gtty=no fi rm conftest.$ac_ext LIBS=$ac_func_search_save_LIBS fi { echo "$as_me:$LINENO: result: $ac_cv_search_gtty" >&5 echo "${ECHO_T}$ac_cv_search_gtty" >&6; } ac_res=$ac_cv_search_gtty if test "$ac_res" != no; then test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" cat >>confdefs.h <<\_ACEOF #define USE_SGTTY 1 _ACEOF fi fi fi # Check for SSL support, letting the user give a location hint. # Check whether --with-ssl was given. if test "${with_ssl+set}" = set; then withval=$with_ssl; with_ssl=$withval fi # Check whether --with-ssl was given. if test "${with_ssl+set}" = set; then withval=$with_ssl; fi if test "$with_ssl" = "no"; then echo "Forcing use of Steve Reid's public-domain SHA-1 code." cat >>confdefs.h <<\_ACEOF #define USE_STANDALONE_SHA1 1 _ACEOF else if test -n "$with_ssl" -a "$with_ssl" != "yes"; then # a directory was specified echo "Trying SSL support in $with_ssl or system default locations." CPPFLAGS="$CPPFLAGS -I$with_ssl/include -I$with_ssl/include/openssl" CPPFLAGS="$CPPFLAGS -I$with_ssl/include/ssl -I$with_ssl" LDFLAGS="$LDFLAGS -L$with_ssl/lib -L$with_ssl/lib/openssl" LDFLAGS="$LDFLAGS -L$with_ssl/lib/ssl -L$with_ssl" { echo "$as_me:$LINENO: checking for library containing SHA1_Init" >&5 echo $ECHO_N "checking for library containing SHA1_Init... $ECHO_C" >&6; } if test "${ac_cv_search_SHA1_Init+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_func_search_save_LIBS=$LIBS cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char SHA1_Init (); int main () { return SHA1_Init (); ; return 0; } _ACEOF for ac_lib in '' ssl crypto crypt md; do if test -z "$ac_lib"; then ac_res="none required" else ac_res=-l$ac_lib LIBS="-l$ac_lib $ac_func_search_save_LIBS" fi rm -f conftest.$ac_objext conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_cxx_werror_flag" || test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then ac_cv_search_SHA1_Init=$ac_res else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext if test "${ac_cv_search_SHA1_Init+set}" = set; then break fi done if test "${ac_cv_search_SHA1_Init+set}" = set; then : else ac_cv_search_SHA1_Init=no fi rm conftest.$ac_ext LIBS=$ac_func_search_save_LIBS fi { echo "$as_me:$LINENO: result: $ac_cv_search_SHA1_Init" >&5 echo "${ECHO_T}$ac_cv_search_SHA1_Init" >&6; } ac_res=$ac_cv_search_SHA1_Init if test "$ac_res" != no; then test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" else { { echo "$as_me:$LINENO: error: cannot find library for SHA1_Init() under $with_ssl" >&5 echo "$as_me: error: cannot find library for SHA1_Init() under $with_ssl" >&2;} { (exit 1); exit 1; }; } fi fi if test -z "$with_ssl" -o "$with_ssl" = "yes"; then # no dir given--fall back to builtin code if necessary { echo "$as_me:$LINENO: checking for library containing SHA1_Init" >&5 echo $ECHO_N "checking for library containing SHA1_Init... $ECHO_C" >&6; } if test "${ac_cv_search_SHA1_Init+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_func_search_save_LIBS=$LIBS cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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1 : 0; else return 0; } int ConStream::IsTTY() const { return (Fileno() >= 0) ? isatty(Fileno()) : 0; } void ConStream::PreserveMode() { int r; if( !IsTTY() ) return; #if defined(USE_TERMIOS) r = tcgetattr(Fileno(), &m_original); #elif defined(USE_TERMIO) r = ioctl(Fileno(), TCGETA, &m_original); #elif defined(USE_SGTTY) r = gtty(Fileno(), &m_original); #endif if( r < 0 ){ Error(1, "Error preserving terminal mode on fd %d: %s", Fileno(), strerror(errno)); }else m_restore = 1; } void ConStream::RestoreMode() { int r; if( !IsTTY() ) return; #if defined(USE_TERMIOS) r = tcsetattr(Fileno(), TCSANOW, &m_original); #elif defined(USE_TERMIO) r = ioctl(Fileno(), TCSETA, &m_original); #elif defined(USE_SGTTY) r = stty(Fileno(), &m_original); #endif if( r < 0 ){ Error(1, "Error restoring terminal mode on fd %d: %s", Fileno(), strerror(errno)); } } void ConStream::SetInputMode(int keymode) { if( m_suspend ) return; m_inputmode = keymode; if( !IsTTY() ) return; #if defined(USE_TERMIOS) struct termios termset; tcgetattr(Fileno(), &termset); #elif defined(USE_TERMIO) struct termio termset; ioctl(Fileno(), TCGETA, &termset); #elif defined(USE_SGTTY) struct sgttyb termset; gtty(Fileno(), &termset); #endif switch(keymode) { case K_CHARS: // read a char at a time, no echo #if defined(USE_TERMIOS) termset.c_lflag &= ~(ICANON | ECHO); termset.c_cc[VMIN] = 1; termset.c_cc[VTIME] = 0; tcsetattr(Fileno(), TCSANOW, &termset); #elif defined(USE_TERMIO) termset.c_lflag &= ~(ICANON | ECHO); termset.c_cc[VMIN] = 1; termset.c_cc[VTIME] = 0; ioctl(Fileno(), TCSETA, &termset); #elif defined(USE_SGTTY) termset.sg_flags |= CBREAK; termset.sg_flags &= ~ECHO; stty(Fileno(), &termset); #endif break; case K_LINES: // read a line at a time (allow terminal editing) #if defined(USE_TERMIOS) termset.c_lflag |= (ICANON | ECHO); termset.c_cc[VMIN] = 1; termset.c_cc[VTIME] = 0; tcsetattr(Fileno(), TCSANOW, &termset); #elif defined(USE_TERMIO) termset.c_lflag |= (ICANON | ECHO); termset.c_cc[VMIN] = 1; termset.c_cc[VTIME] = 0; ioctl(Fileno(), TCSETA, &termset); #elif defined(USE_SGTTY) termset.sg_flags &= ~CBREAK; termset.sg_flags |= ECHO; stty(Fileno(), &termset); #endif break; default: break; } } int ConStream::Output(const char *message, va_list ap) { if( m_suspend ) return 0; int old_newline = m_newline; _newline(); _convprintf(message, ap); _newline(); fflush(m_stream); return (old_newline==m_newline) ? 0 : 1; } int ConStream::Output_n(const char *message, va_list ap) { if( m_suspend ) return 0; int old_newline = m_newline; if( !message || !*message ) _newline(); else _convprintf(message, ap); fflush(m_stream); return (old_newline==m_newline) ? 0 : 1; } int ConStream::Update(const char *message, va_list ap) { if( m_suspend ) return 0; int old_newline = m_newline; if( !m_newline) fprintf(m_stream, IsTTY() ? "\r" : "\n"); _convprintf(message, ap); fflush(m_stream); return (old_newline==m_newline) ? 0 : 1; } char *ConStream::Input(char *field, size_t length) { if( m_suspend ) return (char *)0; m_newline = 1; return fgets(field, length, m_stream); } int ConStream::CharIn() { if( m_suspend ) return 0; return fgetc(m_stream); } inline void ConStream::_newline() { if( !m_newline ){ fprintf(m_stream, "\n"); m_newline = 1; } } inline int ConStream::_convprintf(const char *format, va_list ap) { int r = ( '\n' == format[strlen(format)-1] ); m_newline = r; return vfprintf(m_stream, format, ap); } /* ConStream functions need to call Error instead of CONSOLE.Warning, because CONSOLE may not be initialized yet (or may have been destroyed already). */ void ConStream::Error(int sev, const char *message, ...) { va_list ap; va_start(ap, message); /* Note the call to Warning sends only the literal message--a limitation to deal with later. */ if( g_console_ready ) CONSOLE.Warning(sev, message); else{ vfprintf(stderr, message, ap); fflush(stderr); } va_end(ap); } //=========================================================================== // Console class functions Console::Console() { m_skip_status = m_status_last = 0; m_live_idx = 0; m_oldfd = -1; m_status_format = 0; int i = 0; m_statusline[i++] = &Console::StatusLine0; m_statusline[i++] = &Console::StatusLine1; if( STATUSLINES > i ){ fprintf(stderr, "Unassigned status line in Console() constructor!\n"); exit(1); }else if ( STATUSLINES < i ){ fprintf(stderr, "Value of STATUSLINES is too small!\n"); exit(1); } m_status_len = 80; m_stdout.Associate(stdout, "stdout", 1); m_stderr.Associate(stderr, "stderr", 1); m_stdin.Associate(stdin, "stdin", 0); m_off.Associate(NULL, "off", 1); m_off.Suspend(); m_streams[O_NORMAL] = &m_stdout; m_streams[O_WARNING] = &m_stderr; m_streams[O_DEBUG] = &m_stderr; m_streams[O_INTERACT] = &m_stdout; m_streams[O_INPUT] = &m_stdin; m_streams[O_INPUT]->PreserveMode(); m_streams[O_INPUT]->SetInputMode(K_CHARS); m_conmode = K_CHARS; if( this == &CONSOLE ) g_console_ready = 1; } Console::~Console() { if( this == &CONSOLE ) g_console_ready = 0; } int Console::IntervalCheck(fd_set *rfdp, fd_set *wfdp) { Status(0); if( m_oldfd >= 0 ){ FD_CLR(m_oldfd, rfdp); m_oldfd = -1; } if( !m_streams[O_INPUT]->IsSuspended() ){ FD_SET(m_streams[O_INPUT]->Fileno(), rfdp); return m_streams[O_INPUT]->Fileno(); }else{ if( m_streams[O_INPUT]->Fileno() >= 0 ) FD_CLR(m_streams[O_INPUT]->Fileno(), rfdp); return -1; } } void Console::User(fd_set *rfdp, fd_set *wfdp, int *nready, fd_set *rfdnextp, fd_set *wfdnextp) { static char pending = '\0'; static int inc, count; char c, param[MAXPATHLEN], *s; if( m_streams[O_INPUT]->Fileno() >= 0 && FD_ISSET(m_streams[O_INPUT]->Fileno(), rfdp) ){ FD_CLR(m_streams[O_INPUT]->Fileno(), rfdnextp); (*nready)--; if( K_LINES==m_streams[O_INPUT]->GetInputMode() ){ // command parameter SyncNewlines(O_INPUT); if( m_streams[O_INPUT]->Input(param, sizeof(param)) ){ if( s = strchr(param, '\n') ) *s = '\0'; if( '0'==pending ){ if( OperatorMenu(param) ) pending = '\0'; }else{ m_streams[O_INPUT]->SetInputMode(K_CHARS); if( *param ) switch( pending ){ case 'n': // get1file if( arg_file_to_download ) delete []arg_file_to_download; arg_file_to_download = new char[strlen(param) + 1]; if( !arg_file_to_download ) Warning(1, "error, failed to allocate memory for option"); else strcpy(arg_file_to_download, param); BTCONTENT.SetFilter(); break; case 'S': // CTCS server if( !strchr(param, ':') ) Interact("Invalid input"); else{ if( arg_ctcs ) delete []arg_ctcs; if(0==strcmp(":", param)){ if(arg_ctcs) CTCS.Reset(1); arg_ctcs = (char*) 0; }else{ arg_ctcs = new char[strlen(param) + 1]; if( !arg_ctcs ) Warning(1, "error, failed to allocate memory for option"); else{ strcpy(arg_ctcs, param); CTCS.Initial(); CTCS.Reset(1); } } } break; case 'X': // completion command (user exit) if( arg_completion_exit ) delete []arg_completion_exit; arg_completion_exit = new char[strlen(param) + 1]; if( !arg_completion_exit ) Warning(1, "error, failed to allocate memory for option"); else strcpy(arg_completion_exit, param); break; case 'Q': // quit if( 'y'==*param || 'Y'==*param ){ Tracker.ClearRestart(); Tracker.SetStoped(); } break; default: Interact("Input mode error"); } } }else{ if( m_streams[O_INPUT]->Eof() ){ Interact("End of input reached."); if( ChangeChannel(O_INPUT, "off") < 0 ) m_streams[O_INPUT]->Suspend(); }else if(errno){ if( ENODEV==errno || ENOTTY==errno ) m_streams[O_INPUT]->Suspend(); else Interact("Input error: %s", strerror(errno)); }else Interact("Input error!"); } if( '0' != pending ){ m_streams[O_INPUT]->SetInputMode(K_CHARS); Status(1); } }else{ // command character received m_skip_status = 1; if( (c = m_streams[O_INPUT]->CharIn()) == EOF ){ if( m_streams[O_INPUT]->Eof() ){ Interact("End of input reached."); if( ChangeChannel(O_INPUT, "off") < 0 ) m_streams[O_INPUT]->Suspend(); }else if(errno){ if( ENODEV==errno || ENOTTY==errno ) m_streams[O_INPUT]->Suspend(); else Interact("Input error: %s", strerror(errno)); }else Interact("Input error!"); return; } if( c!='+' && c!='-' ) pending = c; switch( c ){ case 'h': // help case '?': // help Interact("Available commands:"); Interact(" %-9s%-30s %-9s%s", "[Esc/0]", "Operator menu", "m[+/-]", "Adjust min peers count"); Interact(" %-9s%-30s %-9s%s", "d[+/-]", "Adjust download limit", "M[+/-]", "Adjust max peers count"); Interact(" %-9s%-30s %-9s%s", "u[+/-]", "Adjust upload limit", "C[+/-]", "Adjust max cache size"); Interact(" %-9s%-30s %-9s%s", "n", "Download specific files", "S", "Set/change CTCS server"); Interact(" %-9s%-30s %-9s%s", "e[+/-]", "Adjust seed exit time", "v", "Toggle verbose mode"); Interact(" %-9s%-30s %-9s%s", "E[+/-]", "Adjust seed exit ratio", "Q", "Quit"); Interact(" %-9s%-30s %-9s%s", "X", "Completion command", "", ""); break; case 'd': // download bw limit case 'u': // upload bw limit if(arg_ctcs) Interact("Note, changes may be overridden by CTCS."); case 'e': // seed time case 'E': // seed ratio case 'm': // min peers case 'M': // max peers case 'C': // max cache size inc = 1; count = 0; Interact_n(""); break; case 'n': // get1file if( BTCONTENT.IsFull() ) Interact("Download is already complete."); else{ m_streams[O_INPUT]->SetInputMode(K_LINES); ShowFiles(); Interact("Enter 0 or * for all files (normal behavior)."); if( arg_file_to_download ) Interact_n("Get file number/list (currently %s): ", arg_file_to_download); else Interact_n("Get file number/list: "); } break; case 'S': // CTCS server m_streams[O_INPUT]->SetInputMode(K_LINES); Interact_n(""); if( arg_ctcs ){ Interact("Enter ':' to stop using CTCS."); Interact_n("CTCS server:port (currently %s): ", arg_ctcs); } else Interact_n("CTCS server:port: "); break; case 'X': // completion command (user exit) if( BTCONTENT.IsFull() ) Interact("Download is already complete."); else{ m_streams[O_INPUT]->SetInputMode(K_LINES); Interact("Enter a command to run upon download completion."); if( arg_completion_exit ) Interact("Currently: %s", arg_completion_exit); Interact_n(">"); } break; case 'v': // verbose if( arg_verbose && !m_streams[O_INPUT]->SameDev(m_streams[O_DEBUG]) ) Debug("Verbose output off"); arg_verbose = !arg_verbose; Interact("Verbose output %s", arg_verbose ? "on" : "off"); break; case 'Q': // quit if( !Tracker.IsQuitting() ){ m_streams[O_INPUT]->SetInputMode(K_LINES); Interact_n(""); Interact_n("Quit: Are you sure? "); } break; case '+': // increase value case '-': // decrease value if( ('+'==c && inc<0) || ('-'==c && inc>0) ) inc *= -1; switch( pending ){ int value; case 'd': cfg_max_bandwidth_down += ( (cfg_max_bandwidth_down * (abs(inc)/100.0) < 1) ? inc : (int)(cfg_max_bandwidth_down * (inc/100.0)) ); if( cfg_max_bandwidth_down < 0 ) cfg_max_bandwidth_down = 0; break; case 'u': cfg_max_bandwidth_up += ( (cfg_max_bandwidth_up * (abs(inc)/100.0) < 1) ? inc : (int)(cfg_max_bandwidth_up * (inc/100.0)) ); if( cfg_max_bandwidth_up < 0 ) cfg_max_bandwidth_up = 0; break; case 'e': cfg_seed_hours += inc; if( cfg_seed_hours < 0 ) cfg_seed_hours = 0; break; case 'E': cfg_seed_ratio += inc / 10.0; if( cfg_seed_ratio < 0 ) cfg_seed_ratio = 0; break; case 'm': value = (int)cfg_min_peers; value += inc; cfg_min_peers = (value < 1) ? 1 : (size_t)value; if( cfg_min_peers > cfg_max_peers ) cfg_min_peers = cfg_max_peers; break; case 'M': value = (int)cfg_max_peers; value += inc; cfg_max_peers = (value < (int)cfg_min_peers) ? cfg_min_peers : (size_t)value; if( cfg_max_peers > 1000 ) cfg_max_peers = 1000; break; case 'C': value = (int)cfg_cache_size; value += inc; cfg_cache_size = (value < 0) ? 0 : (size_t)value; BTCONTENT.CacheConfigure(); break; default: Status(1); break; } if( 10==++count ) inc *= 2; else if( 5==count ) inc *= 5; if( arg_ctcs ){ if( 'd'==pending || 'u'==pending ) CTCS.Send_bw(); else CTCS.Send_Config(); } break; case '0': // operator menu case 0x1b: // Escape key pending = '0'; OperatorMenu(""); break; default: Status(1); break; } switch( pending ){ case 'd': InteractU("DL Limit: %d B/s ", (int)cfg_max_bandwidth_down); break; case 'u': InteractU("UL Limit: %d B/s ", (int)cfg_max_bandwidth_up); break; case 'e': InteractU("Seed time: %.1f hours ", BTCONTENT.GetSeedTime() ? (cfg_seed_hours - (now - BTCONTENT.GetSeedTime())/(double)3600) : (double)cfg_seed_hours); break; case 'E': InteractU("Seed ratio: %.2f ", (double)cfg_seed_ratio); break; case 'm': InteractU("Minimum peers: %d ", (int)cfg_min_peers); break; case 'M': InteractU("Maximum peers: %d ", (int)cfg_max_peers); break; case 'C': InteractU("Maximum cache: %d MB ", (int)cfg_cache_size); break; default: break; } } } } // Return non-zero to exit operator menu mode. int Console::OperatorMenu(const char *param) { static int oper_mode = 0; static int channel, n_opt; if( 0==oper_mode ){ Interact("Operator Menu"); n_opt = 0; Interact(" Console Channels:"); Interact(" %2d) Normal/status: %s", ++n_opt, m_streams[O_NORMAL]->GetName()); Interact(" %2d) Interactive: %s", ++n_opt, m_streams[O_INTERACT]->GetName()); Interact(" %2d) Error/warning: %s", ++n_opt, m_streams[O_WARNING]->GetName()); Interact(" %2d) Debug/verbose: %s", ++n_opt, m_streams[O_DEBUG]->GetName()); Interact(" %2d) Input: %s", ++n_opt, m_streams[O_INPUT]->GetName()); char buffer[80]; Interact(" Status Line Formats:"); for( int i=0; i < STATUSLINES; i++ ){ (this->*m_statusline[i])(buffer, sizeof(buffer)); Interact(" %c%d) %s", (i==m_status_format) ? '*' : ' ', ++n_opt, buffer); } Interact(" Other options:"); Interact(" %2d) View detailed status", ++n_opt); if( WORLD.IsPaused() ) Interact(" %2d) Resume (continue upload/download)", ++n_opt); else Interact(" %2d) Pause (suspend upload/download)", ++n_opt); if( !arg_daemon ) Interact(" %2d) Become daemon (fork to background)", ++n_opt); Interact(" %2d) Update tracker stats & get peers", ++n_opt); Interact(" %2d) Restart (recover) the tracker session", ++n_opt); Interact_n("Enter selection: "); m_streams[O_INPUT]->SetInputMode(K_LINES); oper_mode = 1; return 0; } else if( 1==oper_mode ){ if( !*param ){ oper_mode = 0; Interact("Exiting menu"); return 1; } int sel = atoi(param); if( sel < 1 || sel > n_opt ){ Interact_n("Enter selection: "); return 0; } if( sel <= O_NCHANNELS+1 ){ // change i/o channel channel = sel - 1; Interact("Possible values are:"); Interact(" %s", m_stdout.GetName()); Interact(" %s", m_stderr.GetName()); Interact(" %s", m_off.GetName()); Interact(" a filename"); Interact_n("Enter a destination: "); m_streams[O_INPUT]->SetInputMode(K_LINES); oper_mode = 2; return 0; }else if( sel <= O_NCHANNELS+1 + STATUSLINES ){ m_status_format = sel - (O_NCHANNELS+1) - 1; oper_mode = 0; return OperatorMenu(""); }else if( sel == 1 + O_NCHANNELS+1 + STATUSLINES ){ // detailed status m_streams[O_INPUT]->SetInputMode(K_CHARS); Interact(""); Interact("Torrent: %s", arg_metainfo_file); ShowFiles(); if( arg_file_to_download && !BTCONTENT.Seeding() ) Interact("Downloading: %s", arg_file_to_download); Interact(""); Interact("Download rate: %dB/s Limit: %dB/s Total: %llu", (int)(Self.RateDL()), (int)cfg_max_bandwidth_down, (unsigned long long)(Self.TotalDL())); Interact(" Upload rate: %dB/s Limit: %dB/s Total: %llu", (int)(Self.RateUL()), (int)cfg_max_bandwidth_up, (unsigned long long)(Self.TotalUL())); time_t t = Tracker.GetReportTime(); if( t ){ char s[42]; #ifdef HAVE_CTIME_R_3 ctime_r(&t, s, sizeof(s)); #else ctime_r(&t, s); #endif if( s[strlen(s)-1] == '\n' ) s[strlen(s)-1] = '\0'; Interact("Reported to tracker: %llu up", (unsigned long long)(Tracker.GetReportUL())); Interact(" %llu down at %s", (unsigned long long)(Tracker.GetReportDL()), s); } Interact("Failed hashes: %d Dup blocks: %d Unwanted blocks: %d", (int)(BTCONTENT.GetHashFailures()), (int)(BTCONTENT.GetDupBlocks()), (int)(BTCONTENT.GetUnwantedBlocks())); Interact(""); Interact("Peers: %d Min: %d Max: %d", (int)(WORLD.GetPeersCount()), (int)cfg_min_peers, (int)cfg_max_peers); Interact("Listening on: %s", WORLD.GetListen()); Interact("Announce URL: %s", BTCONTENT.GetAnnounce()); Interact(""); Interact("Ratio: %.2f Seed time: %luh Seed ratio: %.2f", (double)(Self.TotalUL()) / ( Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength() ), (unsigned long)cfg_seed_hours, cfg_seed_ratio); Interact("Cache in use: %dKB Wants: %dKB Max: %dMB", (int)(BTCONTENT.CacheUsed()/1024), (int)(BTCONTENT.CacheSize()/1024), (int)cfg_cache_size); if(arg_ctcs) Interact("CTCS Server: %s", arg_ctcs); if(arg_verbose) cpu(); oper_mode = 0; return 1; }else if( sel == 2 + O_NCHANNELS+1 + STATUSLINES ){ // pause/resume if( WORLD.IsPaused() ) WORLD.Resume(); else WORLD.Pause(); oper_mode = 0; return 1; }else if( sel == 3 + O_NCHANNELS+1 + STATUSLINES ){ // daemon Daemonize(); oper_mode = 0; return 1; }else if( sel == 4 + O_NCHANNELS+1 + STATUSLINES ){ // update tracker if( Tracker.GetStatus() == T_FREE ) Tracker.Reset(15); else Interact("Already connecting, please be patient..."); oper_mode = 0; return 1; }else if( sel == 5 + O_NCHANNELS+1 + STATUSLINES ){ // update tracker Tracker.RestartTracker(); oper_mode = 0; return 1; } } else if( 2==oper_mode ){ if( !*param ){ oper_mode = 0; return OperatorMenu(""); } ChangeChannel(channel, param); oper_mode = 0; return OperatorMenu(""); } Interact("Exiting menu"); return 1; } int Console::ChangeChannel(int channel, const char *param, int notify) { ConStream *dest = (ConStream *)0; if( 0==strcasecmp(param, m_stdout.GetName()) ) dest = &m_stdout; else if( 0==strcasecmp(param, m_stderr.GetName()) ) dest = &m_stderr; else if( 0==strcasecmp(param, m_stdin.GetName()) ) dest = &m_stdin; else if( 0==strcasecmp(param, m_off.GetName()) ) dest = &m_off; else{ for( int i=0; i <= O_NCHANNELS; i++ ){ if( channel != i && 0==strcmp(param, m_streams[i]->GetName()) && m_streams[i]->GetMode() == ((channel==O_INPUT) ? 0 : 1) ){ dest = m_streams[i]; break; } } if( !dest ){ FILE *stream; if( dest = new ConStream ){ if( 0==strcmp(param, m_streams[channel]->GetName()) ){ delete m_streams[channel]; m_streams[channel] = &m_off; } if( stream = fopen(param, (channel==O_INPUT) ? "r" : "a") ) dest->Associate(stream, param, (channel==O_INPUT) ? 0 : 1); else{ Interact("Error opening file: %s", strerror(errno)); delete dest; dest = (ConStream *)0; } }else Interact("Failed to allocate memory."); } } if( dest ){ if( O_INPUT==channel ) m_oldfd = m_streams[channel]->Fileno(); if( m_streams[channel] != &m_stdout && m_streams[channel] != &m_stderr && m_streams[channel] != &m_stdin && m_streams[channel] != &m_off ){ int in_use = 0; for( int i=0; i <= O_NCHANNELS; i++ ){ if( channel != i && m_streams[channel] == m_streams[i] ) in_use = 1; } if( !in_use ) delete m_streams[channel]; else if( O_INPUT==channel ) m_streams[O_INPUT]->RestoreMode(); } if( notify && (!arg_daemon || !m_streams[channel]->IsTTY()) ){ switch(channel){ case O_NORMAL: Print("Output channel is now %s", dest->GetName()); break; case O_DEBUG: Debug("Debug channel is now %s", dest->GetName()); break; case O_INTERACT: Interact("Interactive output channel is now %s", dest->GetName()); break; case O_INPUT: Interact("Input channel is now %s", dest->GetName()); break; default: break; } } m_streams[channel] = dest; if( O_INPUT==channel ){ m_streams[O_INPUT]->PreserveMode(); m_streams[O_INPUT]->SetInputMode(K_CHARS); } return 0; }else return -1; } void Console::ShowFiles() { BTFILE *file = 0; BitField tmpFilter; int n = 0; Interact("Files in this torrent:"); while( ++n <= BTCONTENT.GetNFiles() ){ BTCONTENT.SetTmpFilter(n, &tmpFilter); BitField tmpBitField = *BTCONTENT.pBF; tmpBitField.Except(tmpFilter); Interact("%d) %s [%llu] %d%%", n, BTCONTENT.GetFileName(n), (unsigned long long)(BTCONTENT.GetFileSize(n)), BTCONTENT.GetFilePieces(n) ? (int)(100 * tmpBitField.Count() / BTCONTENT.GetFilePieces(n)) : 0); } } void Console::Status(int immediate) { static char buffer[80]; if( immediate ) m_skip_status = 0; if( m_pre_dlrate.TimeUsed() || immediate ){ if( m_skip_status ) m_skip_status = 0; else if( !m_streams[O_NORMAL]->IsSuspended() || (arg_verbose && !m_streams[O_DEBUG]->IsSuspended()) ){ // optimized to generate the status line only if it will be output (this->*m_statusline[m_status_format])(buffer, sizeof(buffer)); if( !m_status_last ) Print_n(""); int tmplen = 0; if( m_streams[O_NORMAL]->IsTTY() ){ #ifdef TIOCGWINSZ struct winsize tsize; if( ioctl(m_streams[O_NORMAL]->Fileno(), TIOCGWINSZ, &tsize) >= 0 ) tmplen = tsize.ws_col - 1; #else #ifdef TIOCGSIZE struct ttysize tsize; if( ioctl(m_streams[O_NORMAL]->Fileno(), TIOCGSIZE, &tsize) >= 0 ) tmplen = tsize.ts_cols - 1; #else #ifdef WIOCGETD struct uwdata tsize; if( ioctl(m_streams[O_NORMAL]->Fileno(), WIOCGETD, &tsize) >= 0 ) tmplen = tsize.uw_width / tsize.uw_hs - 1; #endif #endif #endif if( tmplen > 80 ) tmplen = 80; } int len = strlen(buffer); if( 0==tmplen ) tmplen = (len < m_status_len) ? m_status_len : len; m_status_len = len; Update("%*.*s", -tmplen, tmplen, buffer); m_status_last = 1; if(arg_verbose) Debug("Cache: %dK/%dM Hits: %d Miss: %d %d%% Pre: %d/%d", (int)(BTCONTENT.CacheUsed()/1024), (int)cfg_cache_size, (int)(BTCONTENT.CacheHits()), (int)(BTCONTENT.CacheMiss()), BTCONTENT.CacheHits() ? (int)(100 * BTCONTENT.CacheHits() / (BTCONTENT.CacheHits()+BTCONTENT.CacheMiss())) : 0, BTCONTENT.CachePre(), (int)(Self.TotalUL() / DEFAULT_SLICE_SIZE)); } m_pre_dlrate = Self.GetDLRate(); m_pre_ulrate = Self.GetULRate(); } } void Console::StatusLine0(char buffer[], size_t length) { char partial[30] = ""; if( BTCONTENT.GetFilter() && !BTCONTENT.GetFilter()->IsEmpty() ){ BitField tmpBitField = *BTCONTENT.pBF; tmpBitField.Except(BTCONTENT.GetFilter()); sprintf( partial, "P:%d/%d ", (int)(tmpBitField.Count()), (int)(BTCONTENT.GetNPieces() - BTCONTENT.GetFilter()->Count()) ); } char checked[14] = ""; if( BTCONTENT.CheckedPieces() < BTCONTENT.GetNPieces() ){ sprintf( checked, "Checking: %d%%", 100 * BTCONTENT.CheckedPieces() / BTCONTENT.GetNPieces() ); } snprintf(buffer, length, "%c %d/%d/%d [%d/%d/%d] %lluMB,%lluMB | %d,%dK/s | %d,%dK E:%d,%d %s%s", LIVE_CHAR[m_live_idx++], (int)(WORLD.GetSeedsCount()), (int)(WORLD.GetPeersCount()) - WORLD.GetSeedsCount(), (int)(Tracker.GetPeersCount()), (int)(BTCONTENT.pBF->Count()), (int)(BTCONTENT.GetNPieces()), (int)(WORLD.Pieces_I_Can_Get()), (unsigned long long)(Self.TotalDL() >> 20), (unsigned long long)(Self.TotalUL() >> 20), (int)(Self.RateDL() >> 10), (int)(Self.RateUL() >> 10), (int)(m_pre_dlrate.RateMeasure(Self.GetDLRate()) >> 10), (int)(m_pre_ulrate.RateMeasure(Self.GetULRate()) >> 10), (int)(Tracker.GetRefuseClick()), (int)(Tracker.GetOkClick()), partial, (Tracker.GetStatus()==T_CONNECTING) ? "Connecting" : ( (Tracker.GetStatus()==T_READY) ? "Connected" : (Tracker.IsRestarting() ? "Restarting" : (Tracker.IsQuitting() ? "Quitting" : (WORLD.IsPaused() ? "Paused" : checked))) ) ); } void Console::StatusLine1(char buffer[], size_t length) { char partial[30] = ""; if( BTCONTENT.GetFilter() && !BTCONTENT.GetFilter()->IsEmpty() ){ int have, avail, all; long premain = -1; char ptime[20] = ""; size_t rate; BitField tmpBitfield = *BTCONTENT.pBF; tmpBitfield.Except(BTCONTENT.GetFilter()); have = tmpBitfield.Count(); WORLD.Pieces_I_Can_Get(&tmpBitfield); tmpBitfield.Except(BTCONTENT.GetFilter()); avail = tmpBitfield.Count(); all = BTCONTENT.GetNPieces() - BTCONTENT.GetFilter()->Count(); if( rate = Self.RateDL() ){ premain = (all - have) * BTCONTENT.GetPieceLength() / rate / 60; if( premain < 60000 ) // 1000 hours snprintf(ptime, sizeof(ptime), " %d:%2.2d", (int)(premain / 60), (int)(premain % 60)); } sprintf(partial, "P:%d/%d%%%s ", 100 * have / all, 100 * avail / all, ptime); } char checked[14] = ""; if( BTCONTENT.CheckedPieces() < BTCONTENT.GetNPieces() ){ sprintf( checked, "Checking: %d%%", 100 * BTCONTENT.CheckedPieces() / BTCONTENT.GetNPieces() ); } char complete[8]; if( BTCONTENT.IsFull() ) sprintf(complete, "seeding"); else if( BTCONTENT.Seeding() ) sprintf(complete, "seed%d%%", 100 * BTCONTENT.pBF->Count() / BTCONTENT.GetNPieces()); else{ int have, avail, all; BitField tmpBitfield = *BTCONTENT.pBF; tmpBitfield.Except(*BTCONTENT.pBMasterFilter); have = tmpBitfield.Count(); WORLD.Pieces_I_Can_Get(&tmpBitfield); tmpBitfield.Except(*BTCONTENT.pBMasterFilter); avail = tmpBitfield.Count(); all = BTCONTENT.GetNPieces() - BTCONTENT.pBMasterFilter->Count(); sprintf(complete, "%d/%d%%", 100 * have / all, 100 * avail / all); } long remain = -1; char timeleft[20]; size_t rate; if( !BTCONTENT.Seeding() || BTCONTENT.FlushFailed() ){ // downloading if( rate = Self.RateDL() ){ // don't overflow remain if( BTCONTENT.GetLeftBytes() < (uint64_t)rate << 22 ) remain = BTCONTENT.GetLeftBytes() / rate / 60; else remain = 99999; } }else{ //seeding if( cfg_seed_hours ) remain = cfg_seed_hours * 60 - (now - BTCONTENT.GetSeedTime()) / 60; else if( rate = Self.RateUL() ){ // don't overflow remain if( cfg_seed_ratio * (Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength()) - Self.TotalUL() < (uint64_t)rate << 22 ) remain = (long)( cfg_seed_ratio * (Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength()) - Self.TotalUL() ) / rate / 60; else remain = 99999; } } if( remain >= 0 ){ if( remain < 60000 ) // 1000 hours snprintf(timeleft, sizeof(timeleft), "%d:%2.2d", (int)(remain / 60), (int)(remain % 60)); else strcpy(timeleft, ">999hr"); }else if( BTCONTENT.CheckedPieces() < BTCONTENT.GetNPieces() ){ // Don't say stalled if still checking and nothing to download yet. BitField tmpBitfield = *BTCONTENT.pBChecked; tmpBitfield.Except(BTCONTENT.pBF); if(tmpBitfield.IsEmpty()) strcpy(timeleft, "unknown"); else strcpy(timeleft, "stalled"); }else strcpy(timeleft, "stalled"); snprintf(buffer, length, "%c S:%d/%d L:%d/%d C:%d R=%.2f D=%d U=%d K/s %s %s %s%s", LIVE_CHAR[m_live_idx++], (int)(WORLD.GetSeedsCount()), (int)(Tracker.GetSeedsCount()) - (BTCONTENT.IsFull() ? 1 : 0), (int)(WORLD.GetPeersCount()) - WORLD.GetSeedsCount() - WORLD.GetConnCount(), (int)(Tracker.GetPeersCount()) - Tracker.GetSeedsCount() - (!BTCONTENT.IsFull() ? 1 : 0), (int)(WORLD.GetConnCount()), (double)(Self.TotalUL()) / ( Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength() ), (int)(Self.RateDL() >> 10), (int)(Self.RateUL() >> 10), complete, timeleft, partial, (Tracker.GetStatus()==T_CONNECTING) ? "Connecting" : ( (Tracker.GetStatus()==T_READY) ? "Connected" : (Tracker.IsRestarting() ? "Restarting" : (Tracker.IsQuitting() ? "Quitting" : (WORLD.IsPaused() ? "Paused" : checked))) ) ); } void Console::Print(const char *message, ...) { va_list ap; if( K_LINES != m_streams[O_INPUT]->GetInputMode() || m_streams[O_INPUT]->IsSuspended() || (!m_streams[O_NORMAL]->SameDev(m_streams[O_INTERACT]) && !m_streams[O_NORMAL]->SameDev(m_streams[O_INPUT])) ){ va_start(ap, message); if( m_streams[O_NORMAL]->Output(message, ap) ) SyncNewlines(O_NORMAL); va_end(ap); } if( arg_verbose && !m_streams[O_DEBUG]->SameDev(m_streams[O_NORMAL]) ){ va_start(ap, message); if( m_streams[O_DEBUG]->Output(message, ap) ) SyncNewlines(O_DEBUG); va_end(ap); } } /* Print message without a terminating newline With a null message, start/insure a new line */ void Console::Print_n(const char *message, ...) { va_list ap; if( m_status_last && message && *message ) Print_n(""); m_status_last = 0; if( K_LINES != m_streams[O_INPUT]->GetInputMode() || m_streams[O_INPUT]->IsSuspended() || (!m_streams[O_NORMAL]->SameDev(m_streams[O_INTERACT]) && !m_streams[O_NORMAL]->SameDev(m_streams[O_INPUT])) ){ va_start(ap, message); if( m_streams[O_NORMAL]->Output_n(message, ap) ) SyncNewlines(O_NORMAL); va_end(ap); } if( arg_verbose && !m_streams[O_DEBUG]->SameDev(m_streams[O_NORMAL]) ){ va_start(ap, message); if( m_streams[O_DEBUG]->Output_n(message, ap) ) SyncNewlines(O_DEBUG); va_end(ap); } } /* Update (replace) the current line (no terminating newline) */ void Console::Update(const char *message, ...) { va_list ap; m_status_last = 0; if( K_LINES != m_streams[O_INPUT]->GetInputMode() || m_streams[O_INPUT]->IsSuspended() || (!m_streams[O_NORMAL]->SameDev(m_streams[O_INTERACT]) && !m_streams[O_NORMAL]->SameDev(m_streams[O_INPUT])) ){ va_start(ap, message); if( m_streams[O_NORMAL]->Update(message, ap) ) SyncNewlines(O_NORMAL); va_end(ap); } if( arg_verbose && !m_streams[O_DEBUG]->SameDev(m_streams[O_NORMAL]) ){ va_start(ap, message); if( m_streams[O_DEBUG]->Update(message, ap) ) SyncNewlines(O_DEBUG); va_end(ap); } } /* "sev" indicates the severity of the message. 0: will be printed but not sent to CTCS 1: extremely urgent/important 2: less important 3: no problem */ void Console::Warning(int sev, const char *message, ...) { va_list ap; va_start(ap, message); if( m_streams[O_WARNING]->Output(message, ap) ) SyncNewlines(O_WARNING); va_end(ap); if( arg_verbose && !m_streams[O_DEBUG]->SameDev(m_streams[O_WARNING]) ){ va_start(ap, message); if( m_streams[O_DEBUG]->Output(message, ap) ) SyncNewlines(O_DEBUG); va_end(ap); } if(sev && arg_ctcs){ char cmsg[CTCS_BUFSIZE]; va_start(ap, message); vsnprintf(cmsg, CTCS_BUFSIZE, message, ap); CTCS.Send_Info(sev, cmsg); va_end(ap); } } void Console::Debug(const char *message, ...) { static char buffer[80]; if( !arg_verbose ) return; char *format = (char *)0; size_t buflen; va_list ap; if( K_LINES != m_streams[O_INPUT]->GetInputMode() || m_streams[O_INPUT]->IsSuspended() || (!m_streams[O_DEBUG]->SameDev(m_streams[O_INTERACT]) && !m_streams[O_DEBUG]->SameDev(m_streams[O_INPUT])) ){ size_t need = strlen(message)+1 + 10*sizeof(unsigned long)/4; if( need > sizeof(buffer) && (format = new char[need]) ) buflen = need; else{ format = buffer; buflen = sizeof(buffer); } snprintf(format, buflen, "%lu %s", (unsigned long)now, message); va_start(ap, message); if( m_streams[O_DEBUG]->Output(format, ap) ) SyncNewlines(O_DEBUG); va_end(ap); if( format && format != buffer ) delete []format; } } /* Print debug message without a terminating newline With a null message, start/insure a new line */ void Console::Debug_n(const char *message, ...) { static char buffer[80]; static int f_new_line = 1; if( !arg_verbose ) return; va_list ap; if( K_LINES != m_streams[O_INPUT]->GetInputMode() || m_streams[O_INPUT]->IsSuspended() || (!m_streams[O_DEBUG]->SameDev(m_streams[O_INTERACT]) && !m_streams[O_DEBUG]->SameDev(m_streams[O_INPUT])) ){ if( m_streams[O_DEBUG]->SameDev(m_streams[O_NORMAL]) ){ if( m_status_last && message && *message ) Debug_n(""); m_status_last = 0; } if( f_new_line && message && *message ){ char *format = (char *)0; size_t buflen; size_t need = strlen(message)+1 + 10*sizeof(unsigned long)/4; if( need > sizeof(buffer) && (format = new char[need]) ) buflen = need; else{ format = buffer; buflen = sizeof(buffer); } snprintf(format, buflen, "%lu %s", (unsigned long)now, message); va_start(ap, message); if( m_streams[O_DEBUG]->Output_n(format, ap) ) SyncNewlines(O_DEBUG); va_end(ap); if( format && format != buffer ) delete []format; }else{ va_start(ap, message); if( m_streams[O_DEBUG]->Output_n(message, ap) ) SyncNewlines(O_DEBUG); va_end(ap); } if( message && *message ) f_new_line = 0; else f_new_line = 1; } } void Console::Interact(const char *message, ...) { va_list ap; va_start(ap, message); if( m_streams[O_INTERACT]->Output(message, ap) ) SyncNewlines(O_INTERACT); va_end(ap); } /* Print interactive message without a terminating newline With a null message, start/insure a new line */ void Console::Interact_n(const char *message, ...) { va_list ap; if( m_streams[O_INTERACT]->SameDev(m_streams[O_NORMAL]) ){ if( m_status_last && message && *message ) Interact_n(""); m_status_last = 0; } va_start(ap, message); if( m_streams[O_INTERACT]->Output_n(message, ap) ) SyncNewlines(O_INTERACT); va_end(ap); } /* Update (replace) the current interactive line (no terminating newline) */ void Console::InteractU(const char *message, ...) { va_list ap; if( m_streams[O_INTERACT]->SameDev(m_streams[O_NORMAL]) ){ if( m_status_last ) Interact_n(""); m_status_last = 0; } va_start(ap, message); if( m_streams[O_INTERACT]->Update(message, ap) ) SyncNewlines(O_INTERACT); va_end(ap); } // Avoid using this during normal operation, as it blocks for input! char *Console::Input(const char *prompt, char *field, size_t length) { char *retval; Interact_n(""); Interact_n("%s", prompt); m_streams[O_INPUT]->SetInputMode(K_LINES); retval = m_streams[O_INPUT]->Input(field, length); m_streams[O_INPUT]->SetInputMode(K_CHARS); return retval; } void Console::SyncNewlines(int master) { for( int i=0; i < O_NCHANNELS; i++ ){ if( i != master && m_streams[i]->SameDev(m_streams[master]) ) m_streams[i]->SyncNewline(m_streams[master]); } } void Console::cpu() { if(arg_verbose) Debug( "%.2f CPU seconds used; %lu seconds elapsed (%.2f%% usage)", clock() / (double)CLOCKS_PER_SEC, (unsigned long)(time((time_t *)0) - BTCONTENT.GetStartTime()), clock() / (double)CLOCKS_PER_SEC / (time((time_t *)0) - BTCONTENT.GetStartTime()) * 100 ); } RETSIGTYPE Console::Signal(int sig_no) { switch( sig_no ){ case SIGTTOU: for( int i=0; i < O_NCHANNELS; i++ ) if( m_streams[i]->IsTTY() ) m_streams[i]->Suspend(); m_conmode = m_streams[O_INPUT]->GetInputMode(); break; case SIGTTIN: if( m_streams[O_INPUT]->IsTTY() ) m_streams[O_INPUT]->Suspend(); m_conmode = m_streams[O_INPUT]->GetInputMode(); break; case SIGCONT: for( int i=0; i <= O_NCHANNELS; i++ ) if( m_streams[i]->IsTTY() ) m_streams[i]->Resume(); m_streams[O_INPUT]->SetInputMode(m_conmode); // restore my handler signal(SIGTSTP, signals); break; case SIGTSTP: m_conmode = m_streams[O_INPUT]->GetInputMode(); m_streams[O_INPUT]->RestoreMode(); // let the system default action proceed signal(sig_no, SIG_DFL); raise(sig_no); break; default: break; } } void Console::Daemonize() { #ifdef HAVE_WORKING_FORK size_t orig_cache_size = 0; pid_t r; int nullfd = -1; if( cfg_cache_size && BTCONTENT.CacheUsed() ){ orig_cache_size = cfg_cache_size; cfg_cache_size /= 2; BTCONTENT.CacheConfigure(); } if( (r = fork()) < 0 ){ Warning(2, "warn, fork to background failed: %s", strerror(errno)); arg_daemon = 0; goto restorecache; }else if(r) exit(EXIT_SUCCESS); if( !arg_daemon ) arg_daemon = 1; for( int i=0; i <= O_NCHANNELS; i++ ){ if( m_streams[i]->IsTTY() && ChangeChannel(i, "off", 0) < 0 ) m_streams[i]->Suspend(); } nullfd = OpenNull(nullfd, &m_stdin, 0); nullfd = OpenNull(nullfd, &m_stdout, 1); nullfd = OpenNull(nullfd, &m_stderr, 2); if( setsid() < 0 ){ Warning(2, "warn, failed to create new session (continuing in background): %s", strerror(errno)); goto restorecache; } if( (r = fork()) < 0 ){ Warning(2, "warn, final fork failed (continuing in background): %s", strerror(errno)); goto restorecache; }else if(r) exit(EXIT_SUCCESS); else if(arg_verbose) Debug("Running in daemon (background) mode."); restorecache: if( orig_cache_size ){ cfg_cache_size = orig_cache_size; BTCONTENT.CacheConfigure(); } #endif } int Console::OpenNull(int nullfd, ConStream *stream, int sfd) { if( stream->IsTTY() || arg_daemon == 1 ){ int mfd = stream->Fileno(); if( mfd < 0 ) mfd = sfd; stream->Close(); if( nullfd < 0 ) nullfd = open("/dev/null", O_RDWR); if( nullfd >= 0 && nullfd != mfd ) dup2(nullfd, mfd); } return nullfd; } ctorrent-1.3.4.dnh3.3.2/console.h0000644000000000000000000000716011227344303016473 0ustar00usergroup00000000000000#include "def.h" #include // fd_set #include #include #if defined(USE_TERMIOS) #include #elif defined(USE_TERMIO) #include #elif defined(USE_SGTTY) #include #endif #include "rate.h" // Number of status line formats #define STATUSLINES 2 // Output channel labels #define O_NCHANNELS 4 // number of output channels #define O_NORMAL 0 #define O_INTERACT 1 #define O_WARNING 2 #define O_DEBUG 3 #define O_INPUT 4 // not an output! do not include in above count. class ConStream { private: FILE *m_stream; char *m_name; unsigned char m_newline:1; unsigned char m_suspend:1; unsigned char m_inputmode:1; unsigned char m_filemode:1; unsigned char m_restore:1; unsigned char m_reserved:3; #if defined(USE_TERMIOS) struct termios m_original; #elif defined(USE_TERMIO) struct termio m_original; #elif defined(USE_SGTTY) struct sgttyb m_original; #endif void _newline(); int _convprintf(const char *format, va_list ap); void Error(int sev, const char *message, ...); public: ConStream(); ~ConStream(); void Close(); void Associate(FILE *stream, const char *name, int mode); char *GetName() const { return m_name; } int GetMode() const { return m_filemode ? 1 : 0; } int Fileno() const { return m_stream ? fileno(m_stream) : -1; } int GetNewline() const { return m_newline ? 1 : 0; } void SyncNewline(ConStream *master) { m_newline = master->GetNewline(); } void Suspend() { m_suspend = 1; } void Resume() { m_suspend = 0; } int IsSuspended() { return m_suspend ? 1 : 0; } int SameDev(ConStream *master) const; int GetInputMode() const { return m_inputmode; } void SetInputMode(int keymode); void PreserveMode(); void RestoreMode(); int IsTTY() const; int Output(const char *message, va_list ap); int Output_n(const char *message, va_list ap); int Update(const char *message, va_list ap); char *Input(char *field, size_t length); int CharIn(); int Eof() const { return feof(m_stream); } }; class Console { private: unsigned char m_live_idx:2; unsigned char m_conmode:1; unsigned char m_skip_status:1; unsigned char m_status_last:1; unsigned char m_reserved:3; int m_status_format; int m_oldfd; int m_status_len; typedef void (Console::*statuslinefn)(char buffer[], size_t length); statuslinefn m_statusline[STATUSLINES]; Rate m_pre_dlrate, m_pre_ulrate; ConStream m_stdout, m_stderr, m_stdin, m_off; ConStream *m_streams[O_NCHANNELS+1]; int OpenNull(int nullfd, ConStream *stream, int sfd); void SyncNewlines(int master); int OperatorMenu(const char *param); void ShowFiles(); void StatusLine0(char buffer[], size_t length); void StatusLine1(char buffer[], size_t length); public: Console(); ~Console(); int IntervalCheck(fd_set *rfdp, fd_set *wfdp); void User(fd_set *rfdp, fd_set *wfdp, int *nready, fd_set *rfdnextp, fd_set *wfdnextp); void Status(int immediate); void Print(const char *message, ...); void Print_n(const char *message, ...); void Update(const char *message, ...); void Warning(int sev, const char *message, ...); void Debug(const char *message, ...); void Debug_n(const char *message, ...); void Interact(const char *message, ...); void Interact_n(const char *message, ...); void InteractU(const char *message, ...); char *Input(const char *prompt, char *field, size_t length); char *GetChannel(int channel) const { return m_streams[channel]->GetName(); } int ChangeChannel(int channel, const char *param, int notify = 1); void cpu(); RETSIGTYPE Signal(int sig_no); void Daemonize(); }; extern Console CONSOLE; ctorrent-1.3.4.dnh3.3.2/ctcs.cpp0000644000000000000000000006424411227344303016326 0ustar00usergroup00000000000000#include "ctcs.h" // def.h #include #include #include #include #include "btcontent.h" #include "setnonblock.h" #include "connect_nonb.h" #include "tracker.h" #include "peerlist.h" #include "peer.h" #include "btconfig.h" #include "bttime.h" #include "console.h" #ifndef HAVE_SNPRINTF #include "compat.h" #endif #define CTCS_PROTOCOL 3 #define compset(a,member) ( (a.member==member)? 0 : ((a.member = member)||1) ) Ctcs CTCS; Ctcs::Ctcs() { memset(m_host,0,MAXHOSTNAMELEN); m_sock = INVALID_SOCKET; m_port = 2780; m_status = T_FREE; m_interval = 5; m_protocol = CTCS_PROTOCOL; m_last_timestamp = m_sent_ctstatus_time = m_statustime = (time_t) 0; m_sent_ctstatus = 0; m_sent_ctbw = 0; } Ctcs::~Ctcs() { if( m_sock != INVALID_SOCKET) CLOSE_SOCKET(m_sock); } void Ctcs::Reset(time_t new_interval) { int warn = 0; if(new_interval) m_interval = new_interval; if( INVALID_SOCKET != m_sock ){ if( T_READY==m_status ) warn = 1; CLOSE_SOCKET(m_sock); m_sock = INVALID_SOCKET; } in_buffer.Reset(); out_buffer.Reset(); m_last_timestamp = now; m_sent_ctstatus = 0; m_sent_ctbw = 0; m_status = T_FREE; if( warn ) CONSOLE.Warning(2, "Connection to CTCS closed"); } // borrowed from tracker.cpp (with changes) int Ctcs:: _s2sin(char *h,int p,struct sockaddr_in *psin) { psin->sin_family = AF_INET; psin->sin_port = htons(p); psin->sin_addr.s_addr = inet_addr(h); if(psin->sin_addr.s_addr == INADDR_NONE){ struct hostent *ph = gethostbyname(h); if( !ph || ph->h_addrtype != AF_INET){ memset(psin,0,sizeof(struct sockaddr_in)); return -1; } memcpy(&psin->sin_addr,ph->h_addr_list[0],sizeof(struct in_addr)); } return ( psin->sin_addr.s_addr == INADDR_NONE ) ? -1 : 0; } int Ctcs::CheckMessage() { ssize_t r; size_t q; r = in_buffer.FeedIn(m_sock); // This differs from tracker.cpp since we maintain a persistent connection. if( r == 0 ) return 0; // no data (should return an error) q = in_buffer.Count(); if( !q ){ int error = 0; socklen_t n = sizeof(error); if( getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0 ) error = errno; if( error != 0 ) CONSOLE.Warning(2, "warn, received nothing from CTCS: %s", strerror(error)); Reset(5); return -1; } char *s, *msgbuf; while(in_buffer.Count() && (s=strpbrk(msgbuf=in_buffer.BasePointer(), "\r\n"))){ *s = '\0'; if(arg_verbose && s!=msgbuf) CONSOLE.Debug("CTCS: %s", msgbuf); if( !strncmp("SETDLIMIT",msgbuf,9) ){ int arg = (int)strtod(msgbuf+10, NULL); if( !BTCONTENT.IsFull() || arg < cfg_max_bandwidth_down ){ cfg_max_bandwidth_down = arg; if(arg_verbose) CONSOLE.Debug("DLimit=%d", cfg_max_bandwidth_down); } }else if( !strncmp("SETULIMIT",msgbuf,9) ){ cfg_max_bandwidth_up = (int)(strtod(msgbuf+10, NULL)); if(arg_verbose) CONSOLE.Debug("ULimit=%d", cfg_max_bandwidth_up); }else if( !strncmp("SENDPEERS",msgbuf,9) ){ Send_Peers(); }else if( !strncmp("SENDSTATUS",msgbuf,10) ){ Send_Status(); }else if( !strncmp("SENDCONF",msgbuf,8) ){ Send_Config(); }else if( !strncmp("CTCONFIG",msgbuf,8) ){ Set_Config(msgbuf); }else if( !strncmp("SENDDETAIL",msgbuf,10) ){ Send_Detail(); }else if( !strncmp("CTQUIT",msgbuf,6) ){ CONSOLE.Print("CTCS sent Quit command"); Tracker.ClearRestart(); Tracker.SetStoped(); }else if( !strncmp("CTRESTART",msgbuf,9) ){ Tracker.RestartTracker(); }else if( !strncmp("CTUPDATE",msgbuf,8) ){ Tracker.Reset(15); }else if( !strncmp("PROTOCOL",msgbuf,8) ){ int proto = atoi(msgbuf+9); if( proto <= CTCS_PROTOCOL ) m_protocol = proto; else m_protocol = CTCS_PROTOCOL; }else if( s!=msgbuf ){ if(arg_verbose) CONSOLE.Debug("unknown CTCS message: %s", msgbuf); } in_buffer.PickUp(s-msgbuf + 1); } m_last_timestamp = now; return 0; } int Ctcs::SendMessage(const char *message) { int len, r=0; char buf[CTCS_BUFSIZE]; if( m_status == T_READY ){ len = strlen(message); strncpy(buf, message, len); if( len+1 < CTCS_BUFSIZE ){ buf[len] = '\n'; buf[len+1] = '\0'; }else{ buf[CTCS_BUFSIZE-2] = '\n'; buf[CTCS_BUFSIZE-1] = '\0'; } r = out_buffer.PutFlush(m_sock, buf, len+1); if( r<0 ) Reset(5); else m_last_timestamp = now; } return (r < 0) ? r : 0; } int Ctcs::Send_Auth() { char message[CTCS_BUFSIZE]; if(!*m_pass) return 0; snprintf(message, CTCS_BUFSIZE, "AUTH %s", m_pass); return SendMessage(message); } int Ctcs::Send_Protocol() { char message[CTCS_BUFSIZE]; snprintf(message, CTCS_BUFSIZE, "PROTOCOL %04d", CTCS_PROTOCOL); return SendMessage(message); } int Ctcs::Send_Torrent(const unsigned char *peerid, char *torrent) { char message[CTCS_BUFSIZE]; char txtid[PEER_ID_LEN*2+3]; TextPeerID(peerid, txtid); snprintf(message, CTCS_BUFSIZE, "CTORRENT %s %ld %ld %s", txtid, (long)(BTCONTENT.GetStartTime()), (long)now, torrent); return SendMessage(message); } int Ctcs::Report_Status() { int changebw; size_t dlrate, ulrate, dlimit, ulimit; if( T_READY != m_status ) return 0; dlrate = Self.RateDL(); ulrate = Self.RateUL(); dlimit = cfg_max_bandwidth_down; ulimit = cfg_max_bandwidth_up; changebw = ( compset(m_ctstatus, dlrate) | compset(m_ctstatus, ulrate) | compset(m_ctstatus, dlimit) | compset(m_ctstatus, ulimit) ); m_statustime = now; if( !m_sent_ctstatus || (Tracker.GetStatus() && now > m_sent_ctstatus_time+30) ) return Send_Status(); else return (changebw || !m_sent_ctbw) ? Send_bw() : 0; } int Ctcs::Send_Status() { char message[CTCS_BUFSIZE]; size_t seeders, leechers, nhave, ntotal, dlrate, ulrate, dlimit, ulimit, cacheused; uint64_t dltotal, ultotal; if( T_READY != m_status ) return 0; seeders = WORLD.GetSeedsCount(); leechers = WORLD.GetPeersCount() - seeders - WORLD.GetConnCount(); nhave = BTCONTENT.pBF->Count(); ntotal = BTCONTENT.GetNPieces(); dlrate = m_ctstatus.dlrate; ulrate = m_ctstatus.ulrate; dltotal = Self.TotalDL(); ultotal = Self.TotalUL(); dlimit = cfg_max_bandwidth_down; ulimit = cfg_max_bandwidth_up; cacheused = BTCONTENT.CacheUsed()/1024; if( m_protocol == 1 ) snprintf( message, CTCS_BUFSIZE, "CTSTATUS %d/%d %d/%d/%d %d,%d %llu,%llu %d,%d", (int)seeders, (int)leechers, (int)nhave, (int)ntotal, (int)(WORLD.Pieces_I_Can_Get()), (int)dlrate, (int)ulrate, (unsigned long long)dltotal, (unsigned long long)ultotal, (int)dlimit, (int)ulimit ); else snprintf( message, CTCS_BUFSIZE, "CTSTATUS %d:%d/%d:%d/%d %d/%d/%d %d,%d %llu,%llu %d,%d %d", (int)seeders, (int)(Tracker.GetSeedsCount()) - (BTCONTENT.IsFull() ? 1 : 0), (int)leechers, (int)(Tracker.GetPeersCount()) - Tracker.GetSeedsCount() - (!BTCONTENT.IsFull() ? 1 : 0), (int)(WORLD.GetConnCount()), (int)nhave, (int)ntotal, (int)(WORLD.Pieces_I_Can_Get()), (int)dlrate, (int)ulrate, (unsigned long long)dltotal, (unsigned long long)ultotal, (int)dlimit, (int)ulimit, (int)cacheused ); m_sent_ctstatus = m_sent_ctbw = 1; m_sent_ctstatus_time = now; return SendMessage(message); } int Ctcs::Send_bw() { char message[CTCS_BUFSIZE]; snprintf(message, CTCS_BUFSIZE, "CTBW %d,%d %d,%d", (int)(m_ctstatus.dlrate), (int)(m_ctstatus.ulrate), (int)(m_ctstatus.dlimit), (int)(m_ctstatus.ulimit) ); m_sent_ctbw = 1; return SendMessage(message); } int Ctcs::Send_Config() { char message[CTCS_BUFSIZE]; if( m_protocol >= 3 ){ int r = 0; char value[MAXPATHLEN], desc[MAXPATHLEN], maxlen[10]; if( (r=SendMessage("CTCONFIGSTART")) < 0 ) return r; snprintf(maxlen, sizeof(maxlen), "%u", (unsigned int)MAXPATHLEN); if( (r = SendMessage(ConfigMsg("verbose", "B", "0", arg_verbose?"1":"0", "Verbose output [-v]", arg_verbose ? "Enabled" : "Disabled"))) < 0 ) return r; double num = BTCONTENT.GetSeedTime() ? (cfg_seed_hours - (now - BTCONTENT.GetSeedTime())/3600.0) : cfg_seed_hours; unsigned long tmp = (unsigned long)(num * 100); int pre = (tmp % 10) ? 2 : (tmp % 100) ? 1 : 0; snprintf(value, MAXPATHLEN, "%.*f", pre, num); snprintf(desc, MAXPATHLEN, "~hours remaining (-e %lu)", (unsigned long)cfg_seed_hours); if( (r = SendMessage(ConfigMsg("seed_time", "F", "0", value, "Seed time [-e]", desc))) < 0 ) return r; snprintf(value, MAXPATHLEN, "%.2f", (double)cfg_seed_ratio); if( (r = SendMessage(ConfigMsg("seed_ratio", "F", "0", value, "Seed ratio [-E]", "Upload:Download"))) < 0 ) return r; snprintf(value, MAXPATHLEN, "%d", (int)cfg_max_peers); snprintf(desc, MAXPATHLEN, "Current peers: %d", (int)(WORLD.GetPeersCount())); if( (r = SendMessage(ConfigMsg("max_peers", "I", "20-1000", value, "Max peers [-M]", desc))) < 0 ) return r; snprintf(value, MAXPATHLEN, "%d", (int)cfg_min_peers); snprintf(desc, MAXPATHLEN, "Current peers: %d", (int)(WORLD.GetPeersCount())); if( (r = SendMessage(ConfigMsg("min_peers", "I", "1-1000", value, "Min peers [-m]", desc))) < 0 ) return r; if( !BTCONTENT.IsFull() && (r = SendMessage(ConfigMsg("file_list", "S", maxlen, arg_file_to_download ? arg_file_to_download : "", "Download files [-n]", ""))) < 0 ) return r; snprintf(value, MAXPATHLEN, "%d", (int)cfg_cache_size); snprintf(desc, MAXPATHLEN, "MB; %dKB now in use", (int)(BTCONTENT.CacheUsed()/1024)); if( (r = SendMessage(ConfigMsg("cache", "I", "0", value, "Cache size [-C]", desc))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("pause", "B", "0", WORLD.IsPaused()?"1":"0", "Pause torrent", "Stop upload/download"))) < 0 ) return r; if( !BTCONTENT.IsFull() && (r = SendMessage(ConfigMsg("user_exit", "S", maxlen, arg_completion_exit ? arg_completion_exit : "", "Completion command [-X]", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("out_normal", "S", maxlen, CONSOLE.GetChannel(O_NORMAL), "Normal/status output", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("out_interact", "S", maxlen, CONSOLE.GetChannel(O_INTERACT), "Interactive output", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("out_error", "S", maxlen, CONSOLE.GetChannel(O_WARNING), "Error/warning output", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("out_debug", "S", maxlen, CONSOLE.GetChannel(O_DEBUG), "Debug/verbose output", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("input", "S", maxlen, CONSOLE.GetChannel(O_INPUT), "Console input", ""))) < 0 ) return r; if( (r = SendMessage(ConfigMsg("ctcs_server", "S", maxlen, arg_ctcs, "CTCS server", ""))) < 0 ) return r; sprintf(message, "CTCONFIGDONE"); } else if( m_protocol == 2 ) snprintf(message, CTCS_BUFSIZE, "CTCONFIG %d %d %f %d %d %d %d %d", (int)arg_verbose, (int)cfg_seed_hours, cfg_seed_ratio, (int)cfg_max_peers, (int)cfg_min_peers, BTCONTENT.GetFilter() ? atoi(BTCONTENT.GetFilterName()) : 0, (int)cfg_cache_size, WORLD.IsPaused()); else // m_protocol == 1 snprintf(message, CTCS_BUFSIZE, "CTCONFIG %d %d %f %d %d %d %d %d %d", (int)arg_verbose, (int)cfg_seed_hours, cfg_seed_ratio, (int)cfg_max_peers, (int)cfg_min_peers, BTCONTENT.GetFilter() ? atoi(BTCONTENT.GetFilterName()) : 0, 0, WORLD.IsPaused(), 0); return SendMessage(message); } char *Ctcs::ConfigMsg(const char *name, const char *type, const char *range, const char *value, const char *short_desc, const char *long_desc) { static char *message = (char *)0; if( !message ){ message = new char[CTCS_BUFSIZE]; if( !message ){ CONSOLE.Warning(1, "error, failed to allocate memory for CTCS message"); return (char *)0; } } snprintf(message, CTCS_BUFSIZE, "CTCONFIG %s %s %s %d:%s %d:%s %d:%s", name, type, range, (int)strlen(value), value, (int)strlen(short_desc), short_desc, (int)strlen(long_desc), long_desc); return message; } int Ctcs::Set_Config(const char *origmsg) { char *msgbuf = new char[strlen(origmsg)+1]; if( !msgbuf ){ CONSOLE.Warning(1, "error, failed to allocate memory for config"); return -1; } strcpy(msgbuf, origmsg); if( m_protocol >= 3 ){ char *name, *valstr; if( !(name = strtok(strchr(msgbuf, ' '), " ")) || strlen(name) >= strlen(origmsg) - (name - msgbuf) ) goto err; valstr = name + strlen(name); for( ++valstr; *valstr==' '; valstr++ ); if( 0==strcmp(name, "verbose") ){ int arg = atoi(valstr); if( arg < 0 ) goto err; if( arg_verbose && !arg ) CONSOLE.Debug("Verbose output off"); arg_verbose = arg; }else if( 0==strcmp(name, "seed_time") ){ double value = strtod(valstr, NULL); if( value < 0 ) goto err; time_t arg = (time_t)value + ((value - (int)value) ? 1 : 0); arg += BTCONTENT.GetSeedTime() ? ((now - BTCONTENT.GetSeedTime()) / 3600) : 0; if( arg > 0 || 0==BTCONTENT.GetSeedTime() || cfg_seed_ratio > (double) Self.TotalUL() / (Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength()) ) cfg_seed_hours = arg; }else if( 0==strcmp(name, "seed_ratio") ){ double arg = atof(valstr); if( arg < 0 ) goto err; if( 0==BTCONTENT.GetSeedTime() || cfg_seed_hours > (now - BTCONTENT.GetSeedTime()) / 3600 || arg > (double) Self.TotalUL() / (Self.TotalDL() ? Self.TotalDL() : BTCONTENT.GetTotalFilesLength()) ) cfg_seed_ratio = arg; }else if( 0==strcmp(name, "max_peers") ){ int arg = atoi(valstr); if( arg > 1000 || arg < 20 ) goto err; cfg_max_peers = arg; }else if( 0==strcmp(name, "min_peers") ){ int arg = atoi(valstr); if( arg > 1000 || arg < 1 ) goto err; cfg_min_peers = arg; }else if( 0==strcmp(name, "file_list") ){ if( !BTCONTENT.IsFull() ){ if( arg_file_to_download ) delete []arg_file_to_download; if( 0==strlen(valstr) ) arg_file_to_download = (char *)0; else{ arg_file_to_download = new char[strlen(valstr) + 1]; if( !arg_file_to_download ) CONSOLE.Warning(1, "error, failed to allocate memory for option"); else strcpy(arg_file_to_download, valstr); } BTCONTENT.SetFilter(); } }else if( 0==strcmp(name, "cache") ){ int arg = atoi(valstr); if( arg < 0 ) goto err; cfg_cache_size = arg; BTCONTENT.CacheConfigure(); }else if( 0==strcmp(name, "pause") ){ int arg = atoi(valstr); if( arg < 0 ) goto err; if( arg ){ if( !WORLD.IsPaused() ) WORLD.Pause(); }else if( WORLD.IsPaused() ) WORLD.Resume(); }else if( 0==strcmp(name, "user_exit") ){ if( !BTCONTENT.IsFull() ){ if( arg_completion_exit ) delete []arg_completion_exit; arg_completion_exit = new char[strlen(valstr) + 1]; if( !arg_completion_exit ) CONSOLE.Warning(1, "error, failed to allocate memory for option"); else strcpy(arg_completion_exit, valstr); } }else if( 0==strcmp(name, "out_normal") ){ CONSOLE.ChangeChannel(O_NORMAL, valstr); }else if( 0==strcmp(name, "out_interact") ){ CONSOLE.ChangeChannel(O_INTERACT, valstr); }else if( 0==strcmp(name, "out_error") ){ CONSOLE.ChangeChannel(O_WARNING, valstr); }else if( 0==strcmp(name, "out_debug") ){ CONSOLE.ChangeChannel(O_DEBUG, valstr); }else if( 0==strcmp(name, "input") ){ CONSOLE.ChangeChannel(O_INPUT, valstr); }else if( 0==strcmp(name, "ctcs_server") ){ if( !strchr(valstr, ':') || *valstr == ':' || atoi(strchr(valstr, ':') + 1) <= 0 ) goto err; char *arg = new char[strlen(valstr) + 1]; if( !arg ) CONSOLE.Warning(1, "error, failed to allocate memory for option"); else{ strcpy(arg, valstr); delete []arg_ctcs; arg_ctcs = arg; CTCS.Initial(); CTCS.Reset(1); } }else CONSOLE.Warning(2, "Unknown config option %s from CTCS", name); }else{ // m_protocol <= 2 if(msgbuf[9] != '.'){ int arg = atoi(msgbuf+9); if( arg_verbose && !arg ) CONSOLE.Debug("Verbose output off"); arg_verbose = arg; } if(msgbuf[11] != '.') cfg_seed_hours = atoi(msgbuf+11); if( !(msgbuf = strchr(msgbuf+11, ' ')) ) goto err; if(*++msgbuf != '.') cfg_seed_ratio = atof(msgbuf); if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; if(*++msgbuf != '.') cfg_max_peers = atoi(msgbuf); if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; if(*++msgbuf != '.') cfg_min_peers = atoi(msgbuf); if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; if(*++msgbuf != '.'){ char *p = strchr(msgbuf, ' '); if( !p ) goto err; if( arg_file_to_download ) delete []arg_file_to_download; arg_file_to_download = new char[p - msgbuf + 2 + 1]; if( !arg_file_to_download ) CONSOLE.Warning(1, "error, failed to allocate memory for option"); else{ strncpy(arg_file_to_download, msgbuf, p - msgbuf); arg_file_to_download[p - msgbuf] = '\0'; strcat(arg_file_to_download, ",*"); // mock old behavior } BTCONTENT.SetFilter(); } if( m_protocol >= 2 ){ if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; if(*++msgbuf != '.'){ cfg_cache_size = atoi(msgbuf); BTCONTENT.CacheConfigure(); } } if( m_protocol == 1 ){ if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; ++msgbuf; // old cfg_exit_zero_peers option } if( !(msgbuf = strchr(msgbuf, ' ')) ) goto err; if(*++msgbuf != '.'){ if(atoi(msgbuf)){ if( !WORLD.IsPaused() ) WORLD.Pause(); }else if( WORLD.IsPaused() ) WORLD.Resume(); } } delete []msgbuf; return 0; err: CONSOLE.Warning(2, "Malformed or invalid input from CTCS: %s", origmsg); delete []msgbuf; return -1; } int Ctcs::Send_Detail() { char message[CTCS_BUFSIZE]; int r=0, priority, current=0; size_t n=0; BTFILE *file=0; BitField tmpBitField, fileFilter, availbf, tmpavail, allFilter, tmpFilter, *pfilter; snprintf( message, CTCS_BUFSIZE, "CTDETAIL %lld %d %ld %ld", BTCONTENT.GetTotalFilesLength(), (int)(BTCONTENT.GetPieceLength()), (long)now, (long)(BTCONTENT.GetSeedTime()) ); r = SendMessage(message); if(r==0) r = SendMessage((m_protocol >= 3) ? "CTFILESTART" : "CTFILES"); if( m_protocol >= 3 ){ // determine current download priority pfilter = (BitField *)0; while( pfilter != BTCONTENT.GetFilter() ){ current++; pfilter = BTCONTENT.GetNextFilter(pfilter); } } WORLD.Pieces_I_Can_Get(&availbf); while( r==0 && ++n <= BTCONTENT.GetNFiles() ){ tmpBitField = *BTCONTENT.pBF; BTCONTENT.SetTmpFilter(n, &fileFilter); tmpBitField.Except(fileFilter); // the pieces of this file that I have tmpavail = availbf; tmpavail.Except(fileFilter); // the available pieces of this file if( m_protocol >= 3 ){ priority = 0; if( BTCONTENT.GetFilter() ){ fileFilter.Invert(); allFilter.SetAll(); pfilter = (BitField *)0; while( pfilter = BTCONTENT.GetNextFilter(pfilter) ){ priority++; allFilter.And(*pfilter); // cumulation of filters tmpFilter = allFilter; tmpFilter.Invert(); // what's included by the filters... tmpFilter.And(fileFilter); // ...that's also in this file if( tmpFilter.Count() >= fileFilter.Count() ) break; } if( !pfilter ) priority = 0; } snprintf( message, CTCS_BUFSIZE, "CTFILE %d %d %d %d %d %d %llu %s", (int)n, priority, current, (int)(BTCONTENT.GetFilePieces(n)), (int)(tmpBitField.Count()), (int)(tmpavail.Count()), (unsigned long long)(BTCONTENT.GetFileSize(n)), BTCONTENT.GetFileName(n) ); } else if( m_protocol == 2 ) snprintf( message, CTCS_BUFSIZE, "CTFILE %d %d %d %d %llu %s", (int)n, (int)(BTCONTENT.GetFilePieces(n)), (int)(tmpBitField.Count()), (int)(tmpavail.Count()), (unsigned long long)(BTCONTENT.GetFileSize(n)), BTCONTENT.GetFileName(n) ); else // m_protocol == 1 snprintf( message, CTCS_BUFSIZE, "CTFILE %d %d %d %llu %s", (int)n, (int)(BTCONTENT.GetFilePieces(n)), (int)(tmpBitField.Count()), (unsigned long long)(BTCONTENT.GetFileSize(n)), BTCONTENT.GetFileName(n) ); r = SendMessage(message); } if(r==0) r = SendMessage((m_protocol >= 3) ? "CTFILESDONE" : "CTFDONE"); return r; } int Ctcs::Send_Peers() { btPeer *peer=0; char message[CTCS_BUFSIZE]; char txtid[PEER_ID_LEN*2+3]; struct sockaddr_in psin; int r=0; r=SendMessage((m_protocol >= 3) ? "CTPEERSTART" : "CTPEERS"); while( r==0 && (peer = WORLD.GetNextPeer(peer)) ){ TextPeerID(peer->id, txtid); peer->GetAddress(&psin); snprintf(message, CTCS_BUFSIZE, "CTPEER %s %s %c%c%c%c %d %d %llu %llu %d", txtid, inet_ntoa(psin.sin_addr), peer->Is_Remote_UnChoked() ? 'U' : 'C', peer->Is_Local_Interested() ? 'i' : 'n', peer->Is_Local_UnChoked() ? 'U' : 'C', peer->Is_Remote_Interested() ? 'i' : 'n', (int)(peer->RateDL()), (int)(peer->RateUL()), (unsigned long long)(peer->TotalDL()), (unsigned long long)(peer->TotalUL()), (int)(peer->bitfield.Count()) ); r = SendMessage(message); } if(r==0) r = SendMessage((m_protocol >= 3) ? "CTPEERSDONE" : "CTPDONE"); return r; } int Ctcs::Send_Info(int sev, const char *info) { char message[CTCS_BUFSIZE]; snprintf(message, CTCS_BUFSIZE, "CTINFO %d %s", sev, info); return SendMessage(message); } int Ctcs::Initial() { char *s; strncpy(m_host, arg_ctcs, MAXHOSTNAMELEN-1); m_host[MAXHOSTNAMELEN-1] = '\0'; if( s = strchr(m_host, ':') ) *s='\0'; m_port = atoi(s=(strchr(arg_ctcs, ':')+1)); if(strchr(s, ':')){ CONSOLE.Input("Enter CTCS password: ", m_pass, CTCS_PASS_SIZE); } else *m_pass = '\0'; return 0; } int Ctcs::Connect() { ssize_t r; m_last_timestamp = now; if(_s2sin(m_host,m_port,&m_sin) < 0) { CONSOLE.Warning(2, "warn, get CTCS ip address failed."); return -1; } m_sock = socket(AF_INET,SOCK_STREAM,0); if( INVALID_SOCKET == m_sock ) return -1; if( setfd_nonblock(m_sock) < 0 ){ CLOSE_SOCKET(m_sock); return -1; } r = connect_nonb(m_sock,(struct sockaddr*)&m_sin); if( r == -1 ){ CLOSE_SOCKET(m_sock); return -1; } else if( r == -2 ) m_status = T_CONNECTING; else{ m_status = T_READY; if(arg_verbose) CONSOLE.Debug("Connected to CTCS"); if( Send_Protocol() != 0 && errno != EINPROGRESS ){ CONSOLE.Warning(2, "warn, send protocol to CTCS failed: %s", strerror(errno)); return -1; } if( Send_Auth() != 0 && errno != EINPROGRESS ) { CONSOLE.Warning(2, "warn, send password to CTCS failed: %s", strerror(errno)); return -1; } if( Send_Torrent(BTCONTENT.GetPeerId(), arg_metainfo_file) < 0 && errno != EINPROGRESS ){ CONSOLE.Warning(2, "warn, send torrent to CTCS failed: %s", strerror(errno)); return -1; } } return 0; } int Ctcs::IntervalCheck(fd_set *rfdp, fd_set *wfdp) { if( T_FREE == m_status ){ if( INVALID_SOCKET != m_sock ){ FD_CLR(m_sock, rfdp); FD_CLR(m_sock, wfdp); } if( now - m_last_timestamp >= m_interval ){ if(Connect() < 0){ Reset(15); return -1; } FD_SET(m_sock, rfdp); if( m_status == T_CONNECTING ) FD_SET(m_sock, wfdp); }else if( now < m_last_timestamp ) m_last_timestamp = now; }else if( T_CONNECTING == m_status ){ FD_SET(m_sock, rfdp); FD_SET(m_sock, wfdp); }else if( INVALID_SOCKET != m_sock ){ if( now > m_statustime ) Report_Status(); FD_SET(m_sock, rfdp); if( out_buffer.Count() ) FD_SET(m_sock, wfdp); } return m_sock; } int Ctcs::SocketReady(fd_set *rfdp, fd_set *wfdp, int *nfds, fd_set *rfdnextp, fd_set *wfdnextp) { if( T_FREE == m_status ) return 0; if( T_CONNECTING == m_status && FD_ISSET(m_sock,wfdp) ){ int error = 0; socklen_t n = sizeof(error); (*nfds)--; FD_CLR(m_sock, wfdnextp); if( FD_ISSET(m_sock, rfdp) ){ (*nfds)--; FD_CLR(m_sock, rfdnextp); } if(getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0) error = errno; if( error != 0 ){ if( ECONNREFUSED != error ) CONSOLE.Warning(2, "warn, connect to CTCS failed: %s", strerror(error)); Reset(15); return -1; }else{ m_status = T_READY; if(arg_verbose) CONSOLE.Debug("Connected to CTCS"); if( Send_Protocol() != 0 && errno != EINPROGRESS ){ CONSOLE.Warning(2, "warn, send protocol to CTCS failed: %s", strerror(errno)); return -1; } if( Send_Auth() != 0 && errno != EINPROGRESS ) { CONSOLE.Warning(2, "warn, send password to CTCS failed: %s", strerror(errno)); return -1; } if( Send_Torrent(BTCONTENT.GetPeerId(), arg_metainfo_file) < 0 && errno != EINPROGRESS ){ CONSOLE.Warning(2, "warn, send torrent to CTCS failed: %s", strerror(errno)); return -1; } } }else if( T_CONNECTING == m_status && FD_ISSET(m_sock,rfdp) ){ int error = 0; socklen_t n = sizeof(error); (*nfds)--; FD_CLR(m_sock, rfdnextp); if(getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0) error = errno; CONSOLE.Warning(2, "warn, connect to CTCS failed: %s", strerror(error)); Reset(15); return -1; }else if( INVALID_SOCKET != m_sock ){ if( FD_ISSET(m_sock, rfdp) ){ (*nfds)--; FD_CLR(m_sock,rfdnextp); SOCKET tmp_sock = m_sock; int r = CheckMessage(); if( INVALID_SOCKET == m_sock ){ if( FD_ISSET(tmp_sock, wfdp) ){ (*nfds)--; FD_CLR(tmp_sock,wfdnextp); } return r; } } if( FD_ISSET(m_sock, wfdp) ){ (*nfds)--; FD_CLR(m_sock,wfdnextp); if( out_buffer.Count() && out_buffer.FlushOut(m_sock) < 0 ){ Reset(5); return -1; } } }else{ // failsafe Reset(5); return -1; } return 0; } ctorrent-1.3.4.dnh3.3.2/ctcs.h0000644000000000000000000000377111227344303015771 0ustar00usergroup00000000000000#ifndef CTCS_H #define CTCS_H #include "./def.h" #include #ifdef WINDOWS #include #else #include #include // Solaris defines MAXHOSTNAMELEN here. #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #include #include #include #endif #include #include #include "bufio.h" #define CTCS_BUFSIZE (200+MAXPATHLEN) #define CTCS_PASS_SIZE 21 struct ctstatus { size_t dlrate, ulrate, dlimit, ulimit; ctstatus(){ dlrate=ulrate=dlimit=ulimit = 0; } }; class Ctcs { private: char m_host[MAXHOSTNAMELEN]; int m_port; char m_pass[CTCS_PASS_SIZE]; int m_protocol; struct sockaddr_in m_sin; unsigned char m_status:2; time_t m_interval; time_t m_last_timestamp; time_t m_sent_ctstatus_time; time_t m_statustime; SOCKET m_sock; BufIo in_buffer; BufIo out_buffer; struct ctstatus m_ctstatus; int m_sent_ctstatus; int m_sent_ctbw; int _s2sin(char *h,int p,struct sockaddr_in *psin); int SendMessage(const char *buf); char *ConfigMsg(const char *name, const char *type, const char *range, const char *value, const char *short_desc, const char *long_desc); public: Ctcs(); ~Ctcs(); void Reset(time_t new_interval); int Initial(); int Connect(); int CheckMessage(); int Send_Protocol(); int Send_Auth(); int Send_Torrent(const unsigned char *peerid, char *torrent); int Report_Status(); int Send_Status(); int Send_bw(); int Send_Config(); int Set_Config(const char *msgbuf); int Send_Detail(); int Send_Peers(); int Send_Info(int sev, const char *info); int IntervalCheck(fd_set *rfdp, fd_set *wfdp); int SocketReady(fd_set *rfdp, fd_set *wfdp, int *nfds, fd_set *rfdnextp, fd_set *wfdnextp); SOCKET GetSocket() { return m_sock; } unsigned char GetStatus() { return m_status;} }; extern Ctcs CTCS; #endif ctorrent-1.3.4.dnh3.3.2/ctorrent.cpp0000644000000000000000000003242611227344303017227 0ustar00usergroup00000000000000#include "./def.h" #include #ifdef WINDOWS #include #else #include #include #endif #include #include #include #include #include #include "btconfig.h" #include "btcontent.h" #include "downloader.h" #include "peerlist.h" #include "tracker.h" #include "ctcs.h" #include "console.h" #include "./config.h" #ifndef HAVE_RANDOM #include "compat.h" #endif #ifndef WINDOWS #include "sigint.h" #endif void usage(); int param_check(int argc, char **argv); #ifdef WINDOWS int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrzevInstance, LPSTR lpCmdLine, int nCmdShow) { } #else void Random_init() { unsigned long seed; #ifdef HAVE_GETTIMEOFDAY struct timeval tv; gettimeofday(&tv,(struct timezone*) 0); seed = tv.tv_usec + tv.tv_sec + getpid(); #else seed = (unsigned long)time((time_t *)0); #endif srandom(seed); } int main(int argc, char **argv) { char *s; Random_init(); arg_user_agent = new char[MAX_PF_LEN+1]; strcpy(arg_user_agent,PEER_PFX); cfg_user_agent = new char[strlen(PACKAGE_NAME)+strlen(PACKAGE_VERSION)+2]; #ifndef WINDOWS if( !cfg_user_agent ) return -1; #endif sprintf(cfg_user_agent, "%s/%s", PACKAGE_NAME, PACKAGE_VERSION); while(s = strchr(cfg_user_agent, ' ')) *s = '-'; if( argc < 2 ){ usage(); exit(1); } else if( param_check(argc,argv) < 0 ) exit(1); if( arg_flg_make_torrent ){ if( !arg_announce ){ CONSOLE.Warning(1, "Please use -u to specify an announce URL!"); exit(1); } if( !arg_save_as ){ CONSOLE.Warning(1, "Please use -s to specify a metainfo file name!"); exit(1); } if( BTCONTENT.InitialFromFS(arg_metainfo_file, arg_announce, arg_piece_length) < 0 || BTCONTENT.CreateMetainfoFile(arg_save_as) < 0 ){ CONSOLE.Warning(1, "create metainfo failed."); exit(1); } CONSOLE.Print("Create metainfo file %s successful.", arg_save_as); exit(0); } if( arg_daemon ) CONSOLE.Daemonize(); if( !arg_flg_exam_only && (!arg_flg_check_only || arg_flg_force_seed_mode) ) if( arg_ctcs ) CTCS.Initial(); if( BTCONTENT.InitialFromMI(arg_metainfo_file, arg_save_as) < 0){ CONSOLE.Warning(1, "error, initial meta info failed."); exit(1); } if( !arg_flg_exam_only && (!arg_flg_check_only || arg_flg_force_seed_mode) ){ if(WORLD.Initial_ListenPort() < 0){ CONSOLE.Warning(2, "warn, you can't accept connections."); } if( Tracker.Initial() < 0 ){ CONSOLE.Warning(1, "error, tracker setup failed."); exit(1); } sig_setup(); // setup signal handling CONSOLE.Interact( "Press 'h' or '?' for help (display/control client options)." ); Downloader(); if( cfg_cache_size ) BTCONTENT.FlushCache(); } if( !arg_flg_exam_only ) BTCONTENT.SaveBitfield(); WORLD.CloseAll(); if(arg_verbose) CONSOLE.cpu(); exit(0); } #endif int param_check(int argc, char **argv) { const char *opts; int c, l; char *s; if( 0==strncmp(argv[1], "-t", 2) ) opts = "tc:l:ps:u:"; else opts = "aA:b:cC:dD:e:E:fi:I:M:m:n:P:p:s:S:Tu:U:vxX:z:hH"; while( (c=getopt(argc, argv, opts)) != -1 ) switch( c ){ case 'a': arg_allocate = 1; break; case 'b': arg_bitfield_file = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_bitfield_file ) return -1; #endif strcpy(arg_bitfield_file, optarg); break; case 'i': // listen on ip XXXX cfg_listen_ip = inet_addr(optarg); break; case 'I': // set public ip XXXX cfg_public_ip = new char[strlen(optarg) + 1]; if( !cfg_public_ip ) return -1; strcpy(cfg_public_ip, optarg); break; case 'p': // listen on Port XXXX if( arg_flg_make_torrent ) arg_flg_private = 1; else cfg_listen_port = atoi(optarg); break; case 's': // Save as FILE/DIR NAME if( arg_save_as ) return -1; // specified twice arg_save_as = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_save_as ) return -1; #endif strcpy(arg_save_as,optarg); break; case 'e': // Exit while complete cfg_seed_hours = (time_t)strtoul(optarg, NULL, 10); break; case 'E': // target seed ratio cfg_seed_ratio = atof(optarg); break; case 'c': // Check exist only if( arg_flg_make_torrent ){ arg_comment = new char[strlen(optarg) + 1]; if( !arg_comment ) return -1; strcpy(arg_comment, optarg); }else arg_flg_check_only = 1; break; case 'C': // Max cache size cfg_cache_size = atoi(optarg); break; case 'M': // Max peers cfg_max_peers = atoi(optarg); if( cfg_max_peers > 1000 || cfg_max_peers < 20 ){ CONSOLE.Warning(1, "-%c argument must be between 20 and 1000", c); return -1; } break; case 'm': // Min peers cfg_min_peers = atoi(optarg); if( cfg_min_peers > 1000 || cfg_min_peers < 1 ){ CONSOLE.Warning(1, "-%c argument must be between 1 and 1000", c); return -1; } break; case 'z': // slice size cfg_req_slice_size = atoi(optarg) * 1024; if(cfg_req_slice_size < 1024 || cfg_req_slice_size > cfg_max_slice_size){ CONSOLE.Warning(1, "-%c argument must be between 1 and %d", c, cfg_max_slice_size / 1024); return -1; } break; case 'n': // Which file download if( arg_file_to_download ) return -1; // specified twice arg_file_to_download = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_file_to_download ) return -1; #endif strcpy(arg_file_to_download,optarg); break; case 'f': // force seed mode, skip sha1 check when startup. arg_flg_force_seed_mode = 1; break; case 'D': // download bandwidth limit cfg_max_bandwidth_down = (int)(strtod(optarg, NULL) * 1024); break; case 'U': // upload bandwidth limit cfg_max_bandwidth_up = (int)(strtod(optarg, NULL) * 1024); break; case 'P': // peer ID prefix l = strlen(optarg); if (l > MAX_PF_LEN) { CONSOLE.Warning(1, "-P arg must be %d or less characters", MAX_PF_LEN); return -1; } if (l == 1 && *optarg == '-') *arg_user_agent = (char) 0; else strcpy(arg_user_agent,optarg); break; case 'A': // HTTP user-agent header string if( cfg_user_agent ) delete []cfg_user_agent; cfg_user_agent = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !cfg_user_agent ) return -1; #endif strcpy(cfg_user_agent, optarg); break; case 'T': // convert foreign filenames to printable text arg_flg_convert_filenames = 1; break; // BELOW OPTIONS USED FOR CREATE TORRENT. case 'u': // Announce URL if( arg_announce ) return -1; // specified twice arg_announce = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_announce ) return -1; #endif strcpy(arg_announce, optarg); break; case 't': // make Torrent arg_flg_make_torrent = 1; CONSOLE.ChangeChannel(O_INPUT, "off", 0); break; case 'l': // piece Length (default 262144) arg_piece_length = atoi(optarg); if( arg_piece_length < 65536 || arg_piece_length > 4096*1024 ){ CONSOLE.Warning(1, "-%c argument must be between 65536 and %d", c, 4096*1024); return -1; } break; // ABOVE OPTIONS USED FOR CREATE TORRENT. case 'x': // print torrent information only arg_flg_exam_only = 1; CONSOLE.ChangeChannel(O_INPUT, "off", 0); break; case 'S': // CTCS server if( arg_ctcs ) return -1; // specified twice arg_ctcs = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_ctcs ) return -1; #endif if( !strchr(optarg, ':') ){ CONSOLE.Warning(1, "-%c argument requires a port number", c); return -1; } strcpy(arg_ctcs, optarg); break; case 'X': // "user exit" on download completion if( arg_completion_exit ) return -1; // specified twice arg_completion_exit = new char[strlen(optarg) + 1]; #ifndef WINDOWS if( !arg_completion_exit ) return -1; #endif #ifndef HAVE_SYSTEM CONSOLE.Warning(1, "-X is not supported on your system"); return -1; #endif #ifndef HAVE_WORKING_FORK CONSOLE.Warning(2, "No working fork function; be sure the -X command is brief!"); #endif strcpy(arg_completion_exit, optarg); break; case 'v': // verbose output arg_verbose = 1; break; case 'd': // daemon mode (fork to background) arg_daemon++; break; case 'h': case 'H': // help usage(); return -1; default: //unknown option. CONSOLE.Warning(1, "Use -h for help/usage."); return -1; } argc -= optind; argv += optind; if( cfg_min_peers >= cfg_max_peers ) cfg_min_peers = cfg_max_peers - 1; if( argc != 1 ){ if( arg_flg_make_torrent ) CONSOLE.Warning(1, "Must specify torrent contents (one file or directory)"); else CONSOLE.Warning(1, "Must specify one torrent file"); return -1; } arg_metainfo_file = new char[strlen(*argv) + 1]; #ifndef WINDOWS if( !arg_metainfo_file ) return -1; #endif strcpy(arg_metainfo_file, *argv); if( !arg_bitfield_file ){ arg_bitfield_file = new char[strlen(arg_metainfo_file) + 4]; #ifndef WINDOWS if( !arg_bitfield_file ) return -1; #endif strcpy(arg_bitfield_file, arg_metainfo_file); strcat(arg_bitfield_file, ".bf"); } return 0; } void usage() { CONSOLE.ChangeChannel(O_INPUT, "off", 0); fprintf(stderr,"%s Original code Copyright: YuHong(992126018601033)\n", PACKAGE_STRING); fprintf(stderr,"WARNING: THERE IS NO WARRANTY FOR CTorrent. USE AT YOUR OWN RISK!!!\n"); fprintf(stderr,"\nGeneral Options:\n"); fprintf(stderr, "%-15s %s\n", "-h/-H", "Show this message"); fprintf(stderr, "%-15s %s\n", "-x", "Decode metainfo (torrent) file only, don't download"); fprintf(stderr, "%-15s %s\n", "-c", "Check pieces only, don't download"); fprintf(stderr, "%-15s %s\n", "-v", "Verbose output (for debugging)"); fprintf(stderr,"\nDownload Options:\n"); fprintf(stderr, "%-15s %s\n", "-e int", "Exit while seed hours later (default 72 hours)"); fprintf(stderr, "%-15s %s\n", "-E num", "Exit after seeding to ratio (UL:DL)"); fprintf(stderr, "%-15s %s\n", "-i ip", "Listen for connections on specific IP address (default all/any)"); fprintf(stderr, "%-15s %s\n", "-p port", "Listen port (default 2706 -> 2106)"); fprintf(stderr, "%-15s %s\n", "-I ip", "Specify public/external IP address for peer connections"); fprintf(stderr, "%-15s %s\n", "-u num or URL", "Use an alternate announce (tracker) URL"); fprintf(stderr, "%-15s %s\n", "-s filename", "Download (\"save as\") to a different file or directory"); fprintf(stderr, "%-15s %s\n", "-C cache_size", "Cache size, unit MB (default 16MB)"); fprintf(stderr, "%-15s %s\n", "-f", "Force saved bitfield or seed mode (skip initial hash check)"); fprintf(stderr, "%-15s %s\n", "-b filename", "Specify bitfield save file (default is torrent+\".bf\")"); fprintf(stderr, "%-15s %s\n", "-M max_peers", "Max peers count (default 100)"); fprintf(stderr, "%-15s %s\n", "-m min_peers", "Min peers count (default 1)"); fprintf(stderr, "%-15s %s\n", "-z slice_size", "Download slice/block size, unit KB (default 16, max 128)"); fprintf(stderr, "%-15s %s\n", "-n file_list", "Specify file number(s) to download"); fprintf(stderr, "%-15s %s\n", "-D rate", "Max bandwidth down (unit KB/s)"); fprintf(stderr, "%-15s %s\n", "-U rate", "Max bandwidth up (unit KB/s)"); fprintf(stderr, "%-15s %s%s\")\n", "-P peer_id", "Set Peer ID prefix (default \"", PEER_PFX); fprintf(stderr, "%-15s %s%s\")\n", "-A user_agent", "Set User-Agent header (default \"", cfg_user_agent); fprintf(stderr, "%-15s %s\n", "-S host:port", "Use CTCS server at host:port"); fprintf(stderr, "%-15s %s\n", "-a", "Preallocate files on disk"); fprintf(stderr, "%-15s %s\n", "-T", "Convert foreign filenames to printable text"); fprintf(stderr, "%-15s %s\n", "-X command", "Run command upon download completion (\"user exit\")"); fprintf(stderr, "%-15s %s\n", "-d", "Daemon mode (fork to background)"); fprintf(stderr, "%-15s %s\n", "-dd", "Daemon mode with I/O redirection"); fprintf(stderr,"\nMake metainfo (torrent) file options:\n"); fprintf(stderr, "%-15s %s\n", "-t", "Create a new torrent file"); fprintf(stderr, "%-15s %s\n", "-u URL", "Tracker's URL"); fprintf(stderr, "%-15s %s\n", "-l piece_len", "Piece length (default 262144)"); fprintf(stderr, "%-15s %s\n", "-s filename", "Specify metainfo file name"); fprintf(stderr, "%-15s %s\n", "-p", "Private (disable peer exchange)"); fprintf(stderr, "%-15s %s\n", "-c comment", "Include a comment/description"); fprintf(stderr,"\nExample:\n"); fprintf(stderr,"ctorrent -s new_filename -e 12 -C 32 -p 6881 example.torrent\n"); fprintf(stderr,"\nhome page: http://ctorrent.sourceforge.net/\n"); fprintf(stderr,"see also: http://www.rahul.net/dholmes/ctorrent/\n"); fprintf(stderr,"bug report: %s\n",PACKAGE_BUGREPORT); fprintf(stderr,"original author: bsdi@sina.com\n\n"); } ctorrent-1.3.4.dnh3.3.2/ctorrent.h0000644000000000000000000000000011227344303016653 0ustar00usergroup00000000000000ctorrent-1.3.4.dnh3.3.2/def.h0000644000000000000000000000155611227344303015572 0ustar00usergroup00000000000000#ifndef DEF_H #define DEF_H #include "./config.h" #ifdef WINDOWS //if Windows ******************** typedef int ssize_t; typedef int socklen_t; #define PATH_SP '\\' #define MAXPATHLEN 1024 #define MAXHOSTNAMELEN 256 //#define mkdir(path,mode) _mkdir((path)) #define snprintf _snprintf #define strncasecmp _strnicmp #define strcasecmp _stricmp #define ioctl ioctlsocket #define RECV(fd,buf,len) recv((fd),(buf),(len),0) #define SEND(fd,buf,len) send((fd),(buf),(len),0) #define EWOULDBLOCK WSAEWOULDBLOCK #define EINPROGRESS WSAEINPROGRESS #define CLOSE_SOCKET(sk) closesocket((sk)) #else // if *Nix ***************************** #define CLOSE_SOCKET(sk) close((sk)) #ifndef SOCKET typedef int SOCKET; #endif #define INVALID_SOCKET -1 #define PATH_SP '/' #define RECV(fd,buf,len) read((fd),(buf),(len)) #define SEND(fd,buf,len) write((fd),(buf),(len)) #endif #endif ctorrent-1.3.4.dnh3.3.2/depcomp0000755000000000000000000002752511227344303016244 0ustar00usergroup00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects # Copyright 1999, 2000 Free Software Foundation, Inc. # 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, 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, 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 Alexandre Oliva . if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # `libtool' can also be set to `yes' or `no'. depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. 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Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). 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"$@" stat=$? wait "$proc" if test "$stat" != 0; then exit $stat; fi rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the proprocessed file to stdout, regardless of -o, # because we must use -o when running libtool. ( IFS=" " case " $* " in *" --mode=compile "*) for arg do # cycle over the arguments case $arg in "--mode=compile") # insert --quiet before "--mode=compile" set fnord "$@" --quiet shift # fnord ;; esac set fnord "$@" "$arg" shift # fnord shift # "$arg" done ;; esac "$@" -E | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" ) & proc=$! "$@" stat=$? wait "$proc" if test "$stat" != 0; then exit $stat; fi rm -f "$depfile" echo "$object : \\" > "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" echo " " >> "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 ctorrent-1.3.4.dnh3.3.2/downloader.cpp0000644000000000000000000000713211227344303017521 0ustar00usergroup00000000000000#include "def.h" #include #include #include #include #include #include #include #include #include "peerlist.h" #include "tracker.h" #include "btcontent.h" #include "ctcs.h" #include "btconfig.h" #include "bttime.h" #include "console.h" #define MAX_SLEEP 1 time_t now = time((time_t *)0); void Downloader() { int nfds = 0, maxfd, r; struct timeval timeout; fd_set rfd, rfdnext; fd_set wfd, wfdnext; int stopped = 0, f_idleused = 0, f_poll = 0; struct timespec nowspec; double maxsleep; time_t then, concheck = (time_t)0; FD_ZERO(&rfdnext); FD_ZERO(&wfdnext); do{ time(&now); if( !stopped ){ if( !Tracker.IsQuitting() && BTCONTENT.SeedTimeout() ) Tracker.SetStoped(); if( Tracker.IsQuitting() && !Tracker.IsRestarting() ){ stopped = 1; WORLD.Pause(); if( arg_ctcs ) CTCS.Send_Status(); } } maxfd = -1; maxsleep = -1; rfd = rfdnext; wfd = wfdnext; if( f_poll ){ FD_ZERO(&rfd); FD_ZERO(&wfd); // remove non-peers from sets maxsleep = 0; // waited for bandwidth--poll now }else{ WORLD.DontWaitBW(); if( WORLD.IsIdle() ){ f_idleused = 0; if( BTCONTENT.CheckedPieces() < BTCONTENT.GetNPieces() && !BTCONTENT.NeedFlush() ){ if( BTCONTENT.CheckNextPiece() < 0 ){ CONSOLE.Warning(1, "Error while checking piece %d of %d", (int)(BTCONTENT.CheckedPieces()), (int)(BTCONTENT.GetNPieces())); Tracker.SetStoped(); maxsleep = 2; }else maxsleep = 0; f_idleused = 1; time(&now); } r = Tracker.IntervalCheck(&rfd, &wfd); if( r > maxfd ) maxfd = r; if( arg_ctcs ){ r = CTCS.IntervalCheck(&rfd, &wfd); if( r > maxfd ) maxfd = r; } if( !f_idleused || concheck <= now-2 || WORLD.IsIdle() ){ concheck = now; r = CONSOLE.IntervalCheck(&rfd, &wfd); if( r > maxfd ) maxfd = r; } } } r = WORLD.IntervalCheck(&rfd, &wfd); if( r > maxfd ) maxfd = r; if( !f_poll ){ time(&now); while( BTCONTENT.NeedFlush() && WORLD.IsIdle() ){ BTCONTENT.FlushQueue(); maxsleep = 0; time(&now); } } rfdnext = rfd; wfdnext = wfd; if( maxsleep < 0 ){ //not yet set maxsleep = WORLD.WaitBW(); // must do after intervalchecks! if( maxsleep <= -100 ) maxsleep = 0; else if( maxsleep <= 0 || maxsleep > MAX_SLEEP ) maxsleep = MAX_SLEEP; } timeout.tv_sec = (long)maxsleep; timeout.tv_usec = (long)( (maxsleep-(long)maxsleep) * 1000000 ); WORLD.UnLate(); nfds = select(maxfd + 1,&rfd,&wfd,(fd_set*) 0,&timeout); if( nfds < 0 ){ CONSOLE.Debug("Error from select: %s", strerror(errno)); FD_ZERO(&rfdnext); FD_ZERO(&wfdnext); nfds = 0; } if( f_poll ) f_poll = 0; else if( nfds > 0 ) WORLD.DontWaitBW(); else if( maxsleep > 0 && maxsleep < MAX_SLEEP ) f_poll = 1; then = now; time(&now); if( now == then-1 ) now = then; if( !f_poll && nfds > 0 ){ if(T_FREE != Tracker.GetStatus()) Tracker.SocketReady(&rfd,&wfd,&nfds,&rfdnext,&wfdnext); if(nfds > 0 && T_FREE != CTCS.GetStatus()) CTCS.SocketReady(&rfd,&wfd,&nfds,&rfdnext,&wfdnext); if(nfds > 0) CONSOLE.User(&rfd,&wfd,&nfds,&rfdnext,&wfdnext); } if(nfds > 0) WORLD.AnyPeerReady(&rfd,&wfd,&nfds,&rfdnext,&wfdnext); } while(Tracker.GetStatus() != T_FINISHED || Tracker.IsRestarting()); } ctorrent-1.3.4.dnh3.3.2/downloader.h0000644000000000000000000000010611227344303017160 0ustar00usergroup00000000000000#ifndef DOWNLOADER_H #define DOWNLOADER_H void Downloader(); #endif ctorrent-1.3.4.dnh3.3.2/httpencode.cpp0000644000000000000000000000601211227344303017514 0ustar00usergroup00000000000000#include "./def.h" #include #include "./httpencode.h" #include #include #include #include "./config.h" #if !defined(HAVE_STRNSTR) || !defined(HAVE_STRNCASECMP) #include "compat.h" #endif static void url_encode_char(char *b,char c) { char HEX_TABLE[] = "0123456789ABCDEF"; b[0] = '%'; b[1] = HEX_TABLE[(c >> 4) & 0x0F]; b[2] = HEX_TABLE[c & 0x0F]; } char* Http_url_encode(char *s,const char *b,size_t n) { size_t r,i; for(r = 0,i = 0 ; i < n; i++){ if( !(b[i] & ~0x7f) && // quick ASCII test ((b[i] >= 0x41 && b[i] <= 0x5a) || // A-Z [ASCII] (b[i] >= 0x61 && b[i] <= 0x7a) || // a-z (b[i] >= 0x30 && b[i] <= 0x39)) ){ // 0-9 s[r] = b[i]; r++; }else{ url_encode_char(s + r, b[i]); r += 3; } } s[r] = '\0'; return s; } int Http_url_analyse(const char *url,char *host,int *port,char *path) { const char *p; int r; *port = 80; /* default port 80 */ p = strstr(url,"://"); if( !p ) p = url; else p += 3; /* host */ for(; *p && (isalnum(*p) || *p == '.' || *p == '-'); p++, host++) *host = *p; *host = '\0'; if( *p == ':' ){ /* port */ p++; for( r = 0; p[r] >= '0' && p[r] <= '9' && r < 6; r++) ; if( !r ) return -1; *port = atoi(p); if(*port > 65536) return -1; p += r; } /* path */ if( *p != '/' ) return -1; for( ; *p; p++,path++) *path = *p; *path = '\0'; return 0; } size_t Http_split(char *b,size_t n,char **pd,size_t *dlen) { char *p; size_t addtion, hlen; hlen = 0; if( n < 16 ) return 0; // 长度太小，不可能是一个HTML报文 if(strncasecmp(b,"HTTP/",5) != 0){ return 0; // 没有HTML首部???? /* message without http header */ //*pd = b; //*dlen = n; }else{ if( p = strnstr(b,"\r\n\r\n",n) ) addtion = 4; else if( p = strnstr(b,"\n\n",n) ) addtion = 2; if( p ){ hlen = p - b; *pd = ( p + addtion ); *dlen = n - hlen - addtion; }else{ // 只有首部信息???? hlen = n; *pd = (char*) 0; *dlen = 0; } } return hlen; } int Http_reponse_code(const char *b,size_t n) { int r = -1; for(; n && *b != ' ' && *b !='\r' && *b != '\n'; b++,n--) ; if( !n || *b != ' ') r = -1; else{ r = atoi(b); if( r < 100 || r > 600 ) r = -1; } return r; } int Http_get_header(const char *b,int n,const char *header,char *v) { const char *e; char h[64]; int r,header_len; strcpy(h,header); strcat(h,": "); header_len = strlen(h); /* remove status line. */ e = strchr(b,'\n'); if( !e ) return -1; e++; n -= (e - b); b = e; for(; n >= 0; ){ e = strchr(b,'\n'); if( !e ) r = n; /* last line */ else{r = e - b ; r++;} if( r > header_len ){ if( strncasecmp(b, h, header_len) == 0){ /* header found */ b += header_len; for(; *b != '\r' && *b != '\n'; v++,b++) *v = *b; *v = '\0'; return 0; } } b += r; n -= r; } /* end for */ return -1; } ctorrent-1.3.4.dnh3.3.2/httpencode.h0000644000000000000000000000113411227344303017161 0ustar00usergroup00000000000000#ifndef HTTPENCODE_H #define HTTPENCODE_H #define REQ_URL_P1_FMT "GET %s?info_hash=%s&peer_id=%s%s&port=%d&key=%s" #define REQ_URL_P1A_FMT "GET %s&info_hash=%s&peer_id=%s%s&port=%d&key=%s" #define REQ_URL_P2_FMT "%s%s%s&uploaded=%llu&downloaded=%llu&left=%llu&compact=1&numwant=%d HTTP/1.0" char* Http_url_encode(char *s,const char *b,size_t n); int Http_url_analyse(const char *url,char *host,int *port,char *path); size_t Http_split(char *b,size_t n,char **pd,size_t *dlen); int Http_reponse_code(const char *b,size_t n); int Http_get_header(const char *b,int n,const char *header,char *v); #endif ctorrent-1.3.4.dnh3.3.2/install-sh0000755000000000000000000001273611227344303016671 0ustar00usergroup00000000000000#!/bin/sh # # install - install a program, script, or datafile # This comes from X11R5 (mit/util/scripts/install.sh). # # Copyright 1991 by the Massachusetts Institute of Technology # # Permission to use, copy, modify, distribute, and sell this software and its # documentation for any purpose is hereby granted without fee, provided that # the above copyright notice appear in all copies and that both that # copyright notice and this permission notice appear in supporting # documentation, and that the name of M.I.T. not be used in advertising or # publicity pertaining to distribution of the software without specific, # written prior permission. M.I.T. makes no representations about the # suitability of this software for any purpose. It is provided "as is" # without express or implied warranty. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. It can only install one file at a time, a restriction # shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" transformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd="$cpprog" shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd="$stripprog" shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "install: no input file specified" exit 1 else true fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d $dst ]; then instcmd=: chmodcmd="" else instcmd=mkdir fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f $src -o -d $src ] then true else echo "install: $src does not exist" exit 1 fi if [ x"$dst" = x ] then echo "install: no destination specified" exit 1 else true fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d $dst ] then dst="$dst"/`basename $src` else true fi fi ## this sed command emulates the dirname command dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-${defaultIFS}}" oIFS="${IFS}" # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` IFS="${oIFS}" pathcomp='' while [ $# -ne 0 ] ; do pathcomp="${pathcomp}${1}" shift if [ ! -d "${pathcomp}" ] ; then $mkdirprog "${pathcomp}" else true fi pathcomp="${pathcomp}/" done fi if [ x"$dir_arg" != x ] then $doit $instcmd $dst && if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename $dst` else dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename $dst` else true fi # Make a temp file name in the proper directory. dsttmp=$dstdir/#inst.$$# # Move or copy the file name to the temp name $doit $instcmd $src $dsttmp && trap "rm -f ${dsttmp}" 0 && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && # Now rename the file to the real destination. $doit $rmcmd -f $dstdir/$dstfile && $doit $mvcmd $dsttmp $dstdir/$dstfile fi && exit 0 ctorrent-1.3.4.dnh3.3.2/iplist.cpp0000644000000000000000000000160611227344303016667 0ustar00usergroup00000000000000#include "iplist.h" // def.h #include IpList IPQUEUE; void IpList::_Emtpy() { IPLIST *node = ipl_head; for(; ipl_head;){ node = ipl_head; ipl_head = node->next; delete node; } count = 0; } int IpList::Add(const struct sockaddr_in *psin) { IPLIST *node = ipl_head; for(; node; node = node->next) if(memcmp(psin, &node->address, sizeof(struct sockaddr_in)) == 0) break; if( node ) return -1; // if not exist; node = new IPLIST; #ifndef WINDOWS if( !node ) return -1; #endif count++; memcpy(&node->address,psin,sizeof(struct sockaddr_in)); node->next = ipl_head; ipl_head = node; return 0; } int IpList::Pop(struct sockaddr_in *psin) { IPLIST *node = (IPLIST*) 0; if(!ipl_head) return -1; node = ipl_head; ipl_head = ipl_head->next; count--; memcpy(psin, &node->address, sizeof(struct sockaddr_in)); delete node; return 0; } ctorrent-1.3.4.dnh3.3.2/iplist.h0000644000000000000000000000141711227344303016334 0ustar00usergroup00000000000000#ifndef IPLIST_H #define IPLIST_H #include "def.h" #ifdef WINDOWS #include #else #include #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #include #include #include #endif typedef struct _iplist{ struct sockaddr_in address; struct _iplist *next; }IPLIST; class IpList { private: IPLIST *ipl_head; size_t count; void _Emtpy(); public: IpList() { ipl_head = (IPLIST*)0; count = 0;} ~IpList() { if(ipl_head) _Emtpy(); } int Add(const struct sockaddr_in* psin); int Pop(struct sockaddr_in* psin); int IsEmpty() { return count ? 0 : 1; } }; extern IpList IPQUEUE; #endif ctorrent-1.3.4.dnh3.3.2/missing0000755000000000000000000002123111227344303016252 0ustar00usergroup00000000000000#! /bin/sh # Common stub for a few missing GNU programs while installing. # Copyright 1996, 1997, 1999, 2000 Free Software Foundation, Inc. # Originally by Fran,cois Pinard , 1996. # 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, 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, 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. if test $# -eq 0; then echo 1>&2 "Try \`$0 --help' for more information" exit 1 fi run=: # In the cases where this matters, `missing' is being run in the # srcdir already. if test -f configure.ac; then configure_ac=configure.ac else configure_ac=configure.in fi case "$1" in --run) # Try to run requested program, and just exit if it succeeds. run= shift "$@" && exit 0 ;; esac # If it does not exist, or fails to run (possibly an outdated version), # try to emulate it. case "$1" in -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an error status if there is no known handling for PROGRAM. Options: -h, --help display this help and exit -v, --version output version information and exit --run try to run the given command, and emulate it if it fails Supported PROGRAM values: aclocal touch file \`aclocal.m4' autoconf touch file \`configure' autoheader touch file \`config.h.in' automake touch all \`Makefile.in' files bison create \`y.tab.[ch]', if possible, from existing .[ch] flex create \`lex.yy.c', if possible, from existing .c help2man touch the output file lex create \`lex.yy.c', if possible, from existing .c makeinfo touch the output file tar try tar, gnutar, gtar, then tar without non-portable flags yacc create \`y.tab.[ch]', if possible, from existing .[ch]" ;; -v|--v|--ve|--ver|--vers|--versi|--versio|--version) echo "missing 0.3 - GNU automake" ;; -*) echo 1>&2 "$0: Unknown \`$1' option" echo 1>&2 "Try \`$0 --help' for more information" exit 1 ;; aclocal) echo 1>&2 "\ WARNING: \`$1' is missing on your system. 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Grab either from any GNU archive site." file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` if test -z "$file"; then file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` fi touch $file ;; tar) shift if test -n "$run"; then echo 1>&2 "ERROR: \`tar' requires --run" exit 1 fi # We have already tried tar in the generic part. # Look for gnutar/gtar before invocation to avoid ugly error # messages. if (gnutar --version > /dev/null 2>&1); then gnutar ${1+"$@"} && exit 0 fi if (gtar --version > /dev/null 2>&1); then gtar ${1+"$@"} && exit 0 fi firstarg="$1" if shift; then case "$firstarg" in *o*) firstarg=`echo "$firstarg" | sed s/o//` tar "$firstarg" ${1+"$@"} && exit 0 ;; esac case "$firstarg" in *h*) firstarg=`echo "$firstarg" | sed s/h//` tar "$firstarg" ${1+"$@"} && exit 0 ;; esac fi echo 1>&2 "\ WARNING: I can't seem to be able to run \`tar' with the given arguments. You may want to install GNU tar or Free paxutils, or check the command line arguments." exit 1 ;; *) echo 1>&2 "\ WARNING: \`$1' is needed, and you do not seem to have it handy on your system. You might have modified some files without having the proper tools for further handling them. Check the \`README' file, it often tells you about the needed prerequirements for installing this package. You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 ctorrent-1.3.4.dnh3.3.2/mkinstalldirs0000755000000000000000000000132411227344303017462 0ustar00usergroup00000000000000#! /bin/sh # mkinstalldirs --- make directory hierarchy # Author: Noah Friedman # Created: 1993-05-16 # Public domain # $Id: mkinstalldirs,v 1.8 2004/01/30 17:52:32 yuhong Exp $ errstatus=0 for file do set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` shift pathcomp= for d do pathcomp="$pathcomp$d" case "$pathcomp" in -* ) pathcomp=./$pathcomp ;; esac if test ! -d "$pathcomp"; then echo "mkdir $pathcomp" mkdir "$pathcomp" || lasterr=$? if test ! -d "$pathcomp"; then errstatus=$lasterr fi fi pathcomp="$pathcomp/" done done exit $errstatus # mkinstalldirs ends here ctorrent-1.3.4.dnh3.3.2/msgencode.h0000644000000000000000000000141111227344303016766 0ustar00usergroup00000000000000#ifndef MSGENCODE_H #define MSGENCODE_H #define M_CHOKE (unsigned char) 0 #define M_UNCHOKE (unsigned char) 1 #define M_INTERESTED (unsigned char) 2 #define M_NOT_INTERESTED (unsigned char) 3 #define M_HAVE (unsigned char) 4 #define M_BITFIELD (unsigned char) 5 #define M_REQUEST (unsigned char) 6 #define M_PIECE (unsigned char) 7 #define M_CANCEL (unsigned char) 8 #define M_PORT (unsigned char) 9 #define H_INT_LEN 4 /* int_siz */ #define H_LEN 4 /* int_siz */ #define H_BASE_LEN 1 /* chr_siz */ #define H_HAVE_LEN 5 /* chr_siz + int_siz */ #define H_PIECE_LEN 9 /* chr_siz + int_siz*2 */ #define H_REQUEST_LEN 13 /* chr_siz + int_siz*3 */ #define H_CANCEL_LEN 13 /* chr_siz + int_siz*3 */ #define H_PORT_LEN 3 /* chr_siz + port_siz */ #endif ctorrent-1.3.4.dnh3.3.2/peer.cpp0000644000000000000000000013404011227344303016315 0ustar00usergroup00000000000000#include "peer.h" #include #include #include #include #include #include "btstream.h" #include "./btcontent.h" #include "./msgencode.h" #include "./peerlist.h" #include "./btconfig.h" #include "bttime.h" #include "console.h" #if !defined(HAVE_CLOCK_GETTIME) || !defined(HAVE_SNPRINTF) #include "compat.h" #endif // Convert a peer ID to a printable string. int TextPeerID(const unsigned char *peerid, char *txtid) { int i, j; for(i=j=0; i < PEER_ID_LEN; i++){ if( i==j && isprint(peerid[i]) && !isspace(peerid[i]) ) txtid[j++] = peerid[i]; else{ if(i==j){ sprintf(txtid+j, "0x"); j+=2; } snprintf(txtid+j, 3, "%.2X", (int)(peerid[i])); j += 2; } } txtid[j] = '\0'; return 0; } /* g_next_up is used to rotate uploading. If we have the opportunity to upload to a peer but skip it due to bw limiting, the var is set to point to that peer and it will be given priority at the next opportunity. g_next_dn is similar, but for downloading. g_defer_up is used to let the g_next peer object know if it skipped, as the socket could go non-ready if other messages are sent while waiting for bw. */ btPeer *btPeer::g_next_up = (btPeer *)0; btPeer *btPeer::g_next_dn = (btPeer *)0; unsigned char btPeer::g_defer_up = 0; btBasic Self; void btBasic::SetIp(struct sockaddr_in addr) { memcpy(&m_sin.sin_addr,&addr.sin_addr,sizeof(struct in_addr)); } void btBasic::SetAddress(struct sockaddr_in addr) { memcpy(&m_sin,&addr,sizeof(struct sockaddr_in)); } int btBasic::IpEquiv(struct sockaddr_in addr) { // CONSOLE.Debug_n("IpEquiv: %s <=> ", inet_ntoa(m_sin.sin_addr)); // CONSOLE.Debug_n("%s", inet_ntoa(addr.sin_addr)); // CONSOLE.Debug_n(""); return (memcmp(&m_sin.sin_addr,&addr.sin_addr,sizeof(struct in_addr)) == 0) ? 1 : 0; } int btPeer::Need_Local_Data() const { if( m_state.remote_interested && !bitfield.IsFull()){ if( BTCONTENT.IsFull() ) return 1; // i am seed BitField tmpBitfield = *BTCONTENT.pBF; tmpBitfield.Except(bitfield); return tmpBitfield.IsEmpty() ? 0 : 1; } return 0; } int btPeer::Need_Remote_Data() const { if( BTCONTENT.Seeding() || bitfield.IsEmpty() ) return 0; else if( bitfield.IsFull() && BTCONTENT.CheckedPieces() >= BTCONTENT.GetNPieces() ) return 1; else{ BitField tmpBitfield = bitfield; // what peer has tmpBitfield.Except(*BTCONTENT.pBF); // what I have tmpBitfield.Except(*BTCONTENT.pBMasterFilter); // what I don't want tmpBitfield.And(*BTCONTENT.pBChecked); // what I've checked return tmpBitfield.IsEmpty() ? 0 : 1; } return 0; } btPeer::btPeer() { m_f_keepalive = 0; m_status = P_CONNECTING; m_unchoke_timestamp = (time_t)0; m_last_timestamp = m_next_send_time = now; m_state.remote_choked = m_state.local_choked = 1; m_state.remote_interested = m_state.local_interested = 0; m_err_count = 0; m_cached_idx = m_last_req_piece = BTCONTENT.GetNPieces(); m_standby = 0; m_req_send = 5; m_req_out = 0; m_latency = 0; m_prev_dlrate = 0; m_health_time = m_receive_time = m_choketime = m_last_timestamp; m_cancel_time = m_latency_timestamp = (time_t)0; m_bad_health = 0; m_want_again = m_connect = m_retried = 0; m_connect_seed = 0; m_prefetch_time = (time_t)0; m_requested = 0; m_prefetch_completion = 0; rate_dl.SetSelf(Self.DLRatePtr()); rate_ul.SetSelf(Self.ULRatePtr()); } void btPeer::CopyStats(btPeer *peer) { SetDLRate(peer->GetDLRate()); SetULRate(peer->GetULRate()); m_unchoke_timestamp = peer->GetLastUnchokeTime(); m_retried = peer->Retried(); // don't try to reconnect over & over } int btPeer::SetLocal(unsigned char s) { switch(s){ case M_CHOKE: if( m_state.local_choked ) return 0; m_unchoke_timestamp = now; // if(arg_verbose) CONSOLE.Debug("Choking %p", this); if(arg_verbose) CONSOLE.Debug("Choking %p (D=%lluMB@%dK/s)", this, (unsigned long long)TotalDL() >> 20, (int)(RateDL() >> 10)); m_state.local_choked = 1; if( g_next_up == this ) g_next_up = (btPeer *)0; if( !reponse_q.IsEmpty()) reponse_q.Empty(); StopULTimer(); if( !m_requested && BTCONTENT.IsFull() ){ // hasn't sent a request since unchoke if(arg_verbose) CONSOLE.Debug("%p inactive", this); return -1; } m_requested = 0; break; case M_UNCHOKE: if( !reponse_q.IsEmpty() ) StartULTimer(); if( !m_state.local_choked ) return 0; m_unchoke_timestamp = now; // if(arg_verbose) CONSOLE.Debug("Unchoking %p", this); if(arg_verbose) CONSOLE.Debug("Unchoking %p (D=%lluMB@%dK/s)", this, (unsigned long long)TotalDL() >> 20, (int)(RateDL() >> 10)); m_state.local_choked = 0; // No data is queued, so rate cannot delay sending. m_next_send_time = now; break; case M_INTERESTED: if( BTCONTENT.Seeding() ) return 0; m_standby = 0; if( m_state.local_interested ) return 0; if(arg_verbose) CONSOLE.Debug("Interested in %p", this); m_state.local_interested = 1; break; case M_NOT_INTERESTED: if( !m_state.local_interested ) return 0; if(arg_verbose) CONSOLE.Debug("Not interested in %p", this); m_state.local_interested = 0; if( !request_q.IsEmpty() ){ if( CancelRequest() < 0 ) return -1; request_q.Empty(); } break; default: return -1; // BUG ??? } return stream.Send_State(s); } int btPeer::RequestPiece() { size_t idx; BitField tmpBitfield, *pfilter; int endgame = 0; size_t qsize = request_q.Qsize(); size_t psize = BTCONTENT.GetPieceLength() / cfg_req_slice_size; // See if there's room in the queue for a new piece. // Also, don't queue another piece if we still have a full piece queued. if( cfg_req_queue_length - qsize < psize || qsize >= psize ){ m_req_send = m_req_out; // don't come back until you receive something. return 0; } tmpBitfield = bitfield; tmpBitfield.Except(*BTCONTENT.pBMasterFilter); if( m_last_req_piece < BTCONTENT.GetNPieces() && tmpBitfield.Count() > 1 ) tmpBitfield.UnSet(m_last_req_piece); if( (idx = PENDINGQUEUE.ReAssign(&request_q, tmpBitfield)) < BTCONTENT.GetNPieces() ){ if(arg_verbose) CONSOLE.Debug("Assigning #%d to %p from Pending", (int)idx, this); if( BTCONTENT.pBMultPeer->IsSet(idx) ) WORLD.CompareRequest(this, idx); BTCONTENT.pBMultPeer->Set(idx); return SendRequest(); } if( m_cached_idx < BTCONTENT.CheckedPieces() && !BTCONTENT.pBF->IsEmpty() ){ // A HAVE msg already selected what we want from this peer // but ignore it in initial-piece mode. idx = m_cached_idx; m_cached_idx = BTCONTENT.GetNPieces(); if( !BTCONTENT.pBF->IsSet(idx) && (!BTCONTENT.GetFilter() || !BTCONTENT.GetFilter()->IsSet(idx)) && !PENDINGQUEUE.Exist(idx) && !WORLD.AlreadyRequested(idx) ){ if(arg_verbose) CONSOLE.Debug("Assigning #%d to %p", (int)idx, this); return (request_q.CreateWithIdx(idx) < 0) ? -1 : SendRequest(); } } // If we didn't want the cached piece, select another. if( BTCONTENT.pBF->IsEmpty() ){ // If we don't have a complete piece yet, try to get one that's already // in progress. (Initial-piece mode) pfilter = BTCONTENT.GetFilter(); do{ tmpBitfield = bitfield; if( pfilter ){ tmpBitfield.Except(*pfilter); pfilter = BTCONTENT.GetNextFilter(pfilter); } }while( pfilter && tmpBitfield.IsEmpty() ); if( m_latency < 60 ){ // Don't dup to very slow/high latency peers. if( m_last_req_piece < BTCONTENT.GetNPieces() && tmpBitfield.Count() > 1 ) tmpBitfield.UnSet(m_last_req_piece); idx = WORLD.What_Can_Duplicate(tmpBitfield, this, BTCONTENT.GetNPieces()); if( idx < BTCONTENT.GetNPieces() ){ if(arg_verbose) CONSOLE.Debug("Want to dup #%d to %p", (int)idx, this); btPeer *peer = WORLD.WhoHas(idx); if(peer){ if(arg_verbose) CONSOLE.Debug("Duping #%d from %p to %p", (int)idx, peer, this); if( request_q.CopyShuffle(&peer->request_q, idx) < 0 ) return -1; WORLD.CompareRequest(this, idx); BTCONTENT.pBMultPeer->Set(idx); return SendRequest(); } }else if(arg_verbose) CONSOLE.Debug("Nothing to dup to %p", this); } } // Doesn't have a piece that's already in progress--choose another. pfilter = BTCONTENT.GetFilter(); do{ tmpBitfield = bitfield; tmpBitfield.Except(*BTCONTENT.pBF); if( pfilter ){ tmpBitfield.Except(*pfilter); pfilter = BTCONTENT.GetNextFilter(pfilter); } // Don't go after pieces we might already have (but don't know yet) tmpBitfield.And(*BTCONTENT.pBChecked); // tmpBitfield tells what we need from this peer... }while( pfilter && tmpBitfield.IsEmpty() ); if( m_last_req_piece < BTCONTENT.GetNPieces() && tmpBitfield.Count() > 1 ) tmpBitfield.UnSet(m_last_req_piece); if( tmpBitfield.IsEmpty() ){ // We don't need to request anything from the peer. if( !Need_Remote_Data() ) return SetLocal(M_NOT_INTERESTED); else if( m_last_req_piece < BTCONTENT.GetNPieces() && !BTCONTENT.pBF->IsSet(m_last_req_piece) ){ // May have excluded the only viable request; allow a retry. m_last_req_piece = BTCONTENT.GetNPieces(); return 0; // Allow another peer a shot at it first. }else{ if(arg_verbose) CONSOLE.Debug("%p standby", this); m_standby = 1; // nothing to do at the moment return 0; } } BitField tmpBitfield2 = tmpBitfield; WORLD.CheckBitField(tmpBitfield2); // [tmpBitfield2] ...that we haven't requested from anyone. if( tmpBitfield2.IsEmpty() ){ // Everything this peer has that I want, I've already requested. int endgame = WORLD.Endgame(); if( endgame && m_latency < 60 ){ // OK to duplicate a request, but not to very slow/high latency peers. // idx = tmpBitfield.Random(); idx = 0; // flag for Who_Can_Duplicate() BitField tmpBitfield3 = tmpBitfield2; idx = WORLD.What_Can_Duplicate(tmpBitfield3, this, idx); if( idx < BTCONTENT.GetNPieces() ){ if(arg_verbose) CONSOLE.Debug("Want to dup #%d to %p", (int)idx, this); btPeer *peer = WORLD.WhoHas(idx); if(peer){ // failsafe if(arg_verbose) CONSOLE.Debug("Duping #%d from %p to %p", (int)idx, peer, this); if( request_q.CopyShuffle(&peer->request_q, idx) < 0 ) return -1; WORLD.CompareRequest(this, idx); BTCONTENT.pBMultPeer->Set(idx); return SendRequest(); } } } btPeer *peer; if( request_q.IsEmpty() && (peer = WORLD.Who_Can_Abandon(this)) ){ // Cancel a request to the slowest peer & request it from this one. idx = peer->FindLastCommonRequest(bitfield); if(arg_verbose) CONSOLE.Debug("Reassigning #%d from %p to %p", (int)idx, peer, this); // RequestQueue class "moves" rather than "copies" in assignment! if( request_q.Copy(&peer->request_q, idx) < 0 ) return -1; WORLD.CompareRequest(this, idx); BTCONTENT.pBMultPeer->Set(idx); if( endgame ) peer->UnStandby(); if( peer->CancelPiece(idx) < 0 ) peer->CloseConnection(); return SendRequest(); }else if( BTCONTENT.CheckedPieces() >= BTCONTENT.GetNPieces() ){ if(arg_verbose) CONSOLE.Debug("%p standby", this); m_standby = 1; // nothing to do at the moment } }else{ // Request something that we haven't requested yet (most common case). // Try to make it something that has good trade value. BitField tmpBitfield3 = tmpBitfield2; WORLD.FindValuedPieces(tmpBitfield3, this, BTCONTENT.pBF->IsEmpty()); if( tmpBitfield3.IsEmpty() ) tmpBitfield3 = tmpBitfield2; idx = tmpBitfield3.Random(); if(arg_verbose) CONSOLE.Debug("Assigning #%d to %p", (int)idx, this); return (request_q.CreateWithIdx(idx) < 0) ? -1 : SendRequest(); } return 0; } int btPeer::MsgDeliver() { size_t r,idx,off,len; int retval = 0; char *msgbuf = stream.in_buffer.BasePointer(); r = get_nl(msgbuf); // Don't require keepalives if we're receiving other messages. m_last_timestamp = now; if( 0 == r ){ if( !m_f_keepalive ) if( stream.Send_Keepalive() < 0 ) return -1; m_f_keepalive = 0; return 0; }else{ char msg = msgbuf[H_LEN]; switch(msg){ case M_CHOKE: if(H_BASE_LEN != r) return -1; if(arg_verbose) CONSOLE.Debug("%p choked me", this); if( m_lastmsg == M_UNCHOKE && m_last_timestamp <= m_choketime+1 ){ if( PeerError(2, "Choke oscillation") < 0 ) return -1; } m_choketime = m_last_timestamp; m_state.remote_choked = 1; StopDLTimer(); if( g_next_dn == this ) g_next_dn = (btPeer *)0; if( !request_q.IsEmpty() ){ BTCONTENT.pBMultPeer->Set(request_q.GetRequestIdx()); PutPending(); } m_cancel_time = now; break; case M_UNCHOKE: if(H_BASE_LEN != r) return -1; if(arg_verbose) CONSOLE.Debug("%p unchoked me", this); if( m_lastmsg == M_CHOKE && m_last_timestamp <= m_choketime+1 ){ if( PeerError(2, "Choke oscillation") < 0 ) return -1; } m_choketime = m_last_timestamp; m_state.remote_choked = 0; m_standby = 0; if( !stream.PeekNextMessage(M_CHOKE) ){ m_prefetch_completion = 0; retval = RequestCheck(); } break; case M_INTERESTED: if(H_BASE_LEN != r) return -1; if(arg_verbose) CONSOLE.Debug("%p is interested", this); m_state.remote_interested = 1; if( Need_Local_Data() ) WORLD.UnchokeIfFree(this); break; case M_NOT_INTERESTED: if(H_BASE_LEN != r) return -1; if(arg_verbose) CONSOLE.Debug("%p is not interested", this); m_state.remote_interested = 0; /* remove peer's reponse queue */ if( !reponse_q.IsEmpty()) reponse_q.Empty(); /* if I've been seed for a while, nobody should be uninterested */ if( BTCONTENT.IsFull() && BTCONTENT.GetSeedTime() - now >= 300 ) return -2; break; case M_HAVE: if(H_HAVE_LEN != r) return -1; idx = get_nl(msgbuf + H_LEN + H_BASE_LEN); if( idx >= BTCONTENT.GetNPieces() || bitfield.IsSet(idx) ) return -1; bitfield.Set(idx); if( bitfield.IsFull() ){ if( BTCONTENT.IsFull() ) return -2; else stream.out_buffer.SetSize(BUF_DEF_SIZ); } if( !BTCONTENT.pBF->IsSet(idx) && !BTCONTENT.pBMasterFilter->IsSet(idx) ){ if( m_cached_idx >= BTCONTENT.GetNPieces() || m_standby || (!BTCONTENT.GetFilter() || !BTCONTENT.GetFilter()->IsSet(idx)) ) m_cached_idx = idx; if(arg_verbose && m_standby) CONSOLE.Debug("%p un-standby", this); m_standby = 0; } // see if we're Interested now if(!m_standby) retval = RequestCheck(); break; case M_REQUEST: if(H_REQUEST_LEN != r || !m_state.remote_interested) return -1; idx = get_nl(msgbuf + H_LEN + H_BASE_LEN); if( !BTCONTENT.pBF->IsSet(idx) ) return -1; off = get_nl(msgbuf + H_LEN + H_BASE_LEN + H_INT_LEN); len = get_nl(msgbuf + H_LEN + H_BASE_LEN + H_INT_LEN * 2); if(arg_verbose) CONSOLE.Debug("%p is requesting %d/%d/%d", this, (int)idx, (int)off, (int)len); if( !reponse_q.IsValidRequest(idx, off, len) ) return -1; if( m_state.local_choked ){ if( m_last_timestamp - m_unchoke_timestamp > (m_latency ? (m_latency*2) : 60) ){ if( PeerError(1, "choked request") < 0 ) return -1; if( stream.Send_State(M_CHOKE) < 0 ) return -1; // This will mess with the unchoke rotation (to this peer's // disadvantage), but otherwise we may spam them with choke msgs. m_unchoke_timestamp = m_last_timestamp; } }else{ if( !m_requested ){ m_requested = 1; if( stream.out_buffer.SetSize(BUF_DEF_SIZ + (len < DEFAULT_SLICE_SIZE) ? DEFAULT_SLICE_SIZE : len) < 0 ) return -1; if( (!m_receive_time || BTCONTENT.Seeding()) && now > m_unchoke_timestamp ){ m_latency = (now <= m_unchoke_timestamp) ? 1 : (now - m_unchoke_timestamp); if(arg_verbose) CONSOLE.Debug("%p latency is %d sec (request)", this, (int)m_latency); } } retval = reponse_q.Add(idx, off, len); } break; case M_PIECE: if( H_PIECE_LEN >= r ) return -1; m_receive_time = m_last_timestamp; // PieceDeliver handles the error determination & DL counting retval = PieceDeliver(r); break; case M_BITFIELD: if( (r - H_BASE_LEN) != bitfield.NBytes() || !bitfield.IsEmpty() ) return -1; bitfield.SetReferBuffer(msgbuf + H_LEN + H_BASE_LEN); if(bitfield.IsFull()){ if(arg_verbose) CONSOLE.Debug("%p is a seed (bitfield is full)", this); if(BTCONTENT.IsFull()) return -2; else{ stream.out_buffer.SetSize(BUF_DEF_SIZ); if( !m_want_again ) m_want_again = 1; } }else if(arg_verbose){ if( bitfield.IsEmpty() ) CONSOLE.Debug("%p bitfield is empty", this); else CONSOLE.Debug("%p bitfield has %d%%", this, 100 * bitfield.Count() / BTCONTENT.GetNPieces()); } // This is needed in order to set our Interested state. retval = RequestCheck(); // fixed client stall break; case M_CANCEL: if(H_CANCEL_LEN != r) return -1; idx = get_nl(msgbuf + H_LEN + H_BASE_LEN); off = get_nl(msgbuf + H_LEN + H_BASE_LEN + H_INT_LEN); len = get_nl(msgbuf + H_LEN + H_BASE_LEN + H_INT_LEN * 2); if( reponse_q.Remove(idx,off,len) < 0 ){ if( m_state.local_choked && m_last_timestamp - m_unchoke_timestamp > (m_latency ? (m_latency*2) : 60) ){ if( PeerError(1, "Bad cancel") < 0 ) return -1; } }else if( reponse_q.IsEmpty() && g_next_up == this ) g_next_up = (btPeer *)0; break; default: if(arg_verbose) CONSOLE.Debug("Unknown message type %d from peer %p", (int)msg, this); } // switch if( retval >= 0 ) m_lastmsg = msg; } return retval; } int btPeer::ReponseSlice() { size_t len = 0; struct timespec nowspec; ssize_t retval; size_t idx,off; reponse_q.Pop(&idx,&off,&len); if( BTCONTENT.global_buffer_size < len ){ delete []BTCONTENT.global_piece_buffer; BTCONTENT.global_piece_buffer = new char[len]; BTCONTENT.global_buffer_size = BTCONTENT.global_piece_buffer ? len : 0; } retval = BTCONTENT.ReadSlice(BTCONTENT.global_piece_buffer,idx,off,len); if( retval < 0 ) return -1; else if( retval && cfg_cache_size ) Self.OntimeUL(0); // disk read delay // If not using cache, need to always allow time for a disk read. size_t currentrate = CurrentUL(); if(arg_verbose) CONSOLE.Debug("Sending %d/%d/%d to %p", (int)idx, (int)off, (int)len, this); // project the time to send another slice if( 0==currentrate ){ // don't know peer's rate; use best guess // These are "int" for signed calculations below. int rate = (int)(Self.RateUL()); int unchoked = (int)(WORLD.GetUnchoked()); // can't be 0 here if( cfg_max_bandwidth_up < unchoked || cfg_max_bandwidth_up <= rate ){ if( rate < unchoked || rate < (unchoked*len)/3600 ) m_next_send_time = now; else m_next_send_time = now + len / (rate / unchoked); }else{ m_next_send_time = now + len / ( ((int)cfg_max_bandwidth_up - rate > (int)cfg_max_bandwidth_up / unchoked) ? (cfg_max_bandwidth_up - rate) : ((cfg_max_bandwidth_up + unchoked-1) / unchoked) ); } }else m_next_send_time = now + len / ( (currentrate < cfg_max_bandwidth_up || 0==cfg_max_bandwidth_up) ? currentrate : cfg_max_bandwidth_up ); m_prefetch_time = (time_t)0; clock_gettime(CLOCK_REALTIME, &nowspec); retval = stream.Send_Piece(idx,off,BTCONTENT.global_piece_buffer,len); if( retval >= 0 ){ WORLD.Upload(); DataSended(len, nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000); if( !m_want_again && BTCONTENT.Seeding() ) m_want_again = 1; } else if(arg_verbose) CONSOLE.Debug("%p: %s", this, strerror(errno)); return (int)retval; } int btPeer::SendRequest() { int first = 1; PSLICE ps = request_q.NextSend(); if( m_req_out > cfg_req_queue_length ){ if(arg_verbose) CONSOLE.Debug("ERROR@5: %p m_req_out underflow, resetting", this); m_req_out = 0; } if( ps && m_req_out < m_req_send ){ if(arg_verbose){ CONSOLE.Debug_n(""); CONSOLE.Debug_n("Requesting #%d from %p (%d left, %d slots):", (int)(ps->index), this, (int)(request_q.Qsize()), (int)m_req_send); } for( int i=0; ps && m_req_out < m_req_send && i<5; ps = ps->next, i++ ){ if( first && (!RateDL() || 0 >= (m_req_out+1) * ps->length / (double)RateDL() - m_latency) ){ request_q.SetReqTime(ps, now); first = 0; } else request_q.SetReqTime(ps, (time_t)0); if(arg_verbose) CONSOLE.Debug_n("."); if(stream.Send_Request(ps->index,ps->offset,ps->length) < 0){ return -1; } m_last_req_piece = ps->index; request_q.SetNextSend(ps->next); m_req_out++; } if(arg_verbose) CONSOLE.Debug_n(""); m_receive_time = now; } return ( m_req_out < m_req_send && !m_standby ) ? RequestPiece() : 0; } int btPeer::CancelPiece(size_t idx) { PSLICE ps = request_q.GetHead(); PSLICE next; int cancel = 1; for( ; ps && ps->index != idx; ps=ps->next ){ // find the piece if( ps == request_q.NextSend() ) cancel = 0; } if( !ps ) return 0; for( ; ps; ps = next ){ if( ps->index != idx ) break; if( ps == request_q.NextSend() ) cancel = 0; if( cancel ){ if(arg_verbose) CONSOLE.Debug("Cancelling %d/%d/%d to %p", (int)(ps->index), (int)(ps->offset), (int)(ps->length), this); if(stream.Send_Cancel(ps->index,ps->offset,ps->length) < 0) return -1; m_req_out--; if( m_req_out > cfg_req_queue_length ){ if(arg_verbose) CONSOLE.Debug("ERROR@1: %p m_req_out underflow, resetting", this); m_req_out = 0; } m_cancel_time = now; } next = ps->next; request_q.Remove(ps->index, ps->offset, ps->length); } if( request_q.IsEmpty() ){ StopDLTimer(); m_standby = 0; } if( !m_req_out && g_next_dn == this ) g_next_dn = (btPeer *)0; return 1; } int btPeer::CancelRequest() { PSLICE ps; int retval; ps = request_q.GetHead(); for( ; ps; ps = ps->next){ if( ps == request_q.NextSend() ) break; if(arg_verbose) CONSOLE.Debug("Cancelling %d/%d/%d to %p", (int)(ps->index), (int)(ps->offset), (int)(ps->length), this); if(stream.Send_Cancel(ps->index,ps->offset,ps->length) < 0) return -1; m_req_out--; if( m_req_out > cfg_req_queue_length ){ if(arg_verbose) CONSOLE.Debug("ERROR@2: %p m_req_out underflow, resetting", this); m_req_out = 0; } m_cancel_time = now; } if( !m_req_out && g_next_dn == this ) g_next_dn = (btPeer *)0; return 0; } int btPeer::CancelSliceRequest(size_t idx, size_t off, size_t len) { PSLICE ps; int cancel = 1; int idxfound = 0; int retval = 0; if( request_q.IsEmpty() ) return 0; for(ps = request_q.GetHead(); ps; ps = ps->next){ if( ps == request_q.NextSend() ) cancel = 0; if( idx == ps->index ){ if( off == ps->offset && len == ps->length ){ retval = 1; request_q.Remove(idx,off,len); if(cancel){ if(arg_verbose) CONSOLE.Debug("Cancelling %d/%d/%d to %p", (int)idx, (int)off, (int)len, this); if(stream.Send_Cancel(idx,off,len) < 0) return -1; m_req_out--; if( m_req_out > cfg_req_queue_length ){ if(arg_verbose) CONSOLE.Debug("ERROR@3: %p m_req_out underflow, resetting",this); m_req_out = 0; } if( !m_req_out && g_next_dn == this ) g_next_dn = (btPeer *)0; m_cancel_time = now; // Don't call RequestCheck() here since that could cause the slice // we're cancelling to be dup'd from another peer. } break; } idxfound = 1; }else if( idxfound ) break; } if( request_q.IsEmpty() ){ StopDLTimer(); m_standby = 0; } return retval; } size_t btPeer::FindLastCommonRequest(BitField &proposerbf) { PSLICE ps; size_t idx, piece; idx = piece = BTCONTENT.GetNPieces(); if( request_q.IsEmpty() ) return piece; ps = request_q.GetHead(); for( ; ps; ps = ps->next ){ if( ps->index != idx ){ idx = ps->index; if( proposerbf.IsSet(idx) ) piece = idx; } } return piece; } int btPeer::ReportComplete(size_t idx, size_t len) { int r; if( (r = BTCONTENT.APieceComplete(idx)) > 0 ){ if(arg_verbose) CONSOLE.Debug("Piece #%d completed", (int)idx); PeerError(-1, "Piece completed"); WORLD.Tell_World_I_Have(idx); BTCONTENT.CheckFilter(); if( BTCONTENT.IsFull() ) WORLD.CloseAllConnectionToSeed(); }else if( 0 == r ){ // hash check failed // Don't count an error against the peer in initial or endgame mode, since // some slices may have come from other peers. if( !BTCONTENT.pBMultPeer->IsSet(idx) ){ // The entire piece came from this peer. DataUnRec(BTCONTENT.GetPieceLength(idx) - len); if( PeerError(4, "Bad complete") < 0 ) CloseConnection(); else{ ResetDLTimer(); // set peer rate=0 so we don't favor for upload bitfield.UnSet(idx); // don't request this piece from this peer again } } } // Need to re-download entire piece if check failed, so cleanup in any case. m_prefetch_completion = 0; if( WORLD.GetDupReqs() && BTCONTENT.pBMultPeer->IsSet(idx) ){ if( WORLD.CancelPiece(idx) && arg_verbose ) CONSOLE.Debug("Duplicate request cancelled in piece completion"); } if( PENDINGQUEUE.Delete(idx) && arg_verbose ) CONSOLE.Debug("Duplicate found in Pending, shouldn't be there"); BTCONTENT.pBMultPeer->UnSet(idx); return r; } int btPeer::PieceDeliver(size_t mlen) { size_t idx, off, len; char *msgbuf = stream.in_buffer.BasePointer(); time_t t = (time_t)0; int f_accept = 0, f_requested = 0, f_success = 1, f_count = 1, f_want = 1; int f_complete = 0, dup = 0; idx = get_nl(msgbuf + H_LEN + H_BASE_LEN); off = get_nl(msgbuf + H_LEN + H_BASE_LEN + H_INT_LEN); len = mlen - H_PIECE_LEN; if( !request_q.IsEmpty() ){ t = request_q.GetReqTime(idx,off,len); // Verify whether this is an outstanding request (not for error counting). PSLICE ps = request_q.GetHead(); for( ; ps; ps = ps->next){ if( ps == request_q.NextSend() ) break; if( idx==ps->index && off==ps->offset && len==ps->length ){ f_requested = 1; break; } } } // If the slice is outstanding and was cancelled from this peer, accept. if( !f_requested && BTCONTENT.pBMultPeer->IsSet(idx) && m_last_timestamp - m_cancel_time <= (m_latency ? (m_latency*2) : 60) && (WORLD.HasSlice(idx, off, len) || PENDINGQUEUE.HasSlice(idx, off, len)) ){ f_accept = dup = 1; } Self.StartDLTimer(); if( f_requested || f_accept ){ if(arg_verbose) CONSOLE.Debug("Receiving piece %d/%d/%d from %p", (int)idx, (int)off, (int)len, this); if( !BTCONTENT.pBF->IsSet(idx) && BTCONTENT.WriteSlice(msgbuf + H_LEN + H_PIECE_LEN,idx,off,len) < 0 ){ CONSOLE.Warning(2, "warn, WriteSlice failed; is filesystem full?"); f_success = 0; // Re-queue the request, unless WriteSlice triggered flush failure // (then the request is already in Pending). if( f_requested && !BTCONTENT.FlushFailed() ){ // This removes only the first instance; re-queued request is safe. request_q.Remove(idx,off,len); m_req_out--; if( RequestSlice(idx,off,len) < 0 ){ // At least it's still queued & will go to Pending at peer close. if( f_count ) DataRecved(len); return -1; } } }else{ // saved or had the data request_q.Remove(idx,off,len); if( f_requested ) m_req_out--; // Check for & cancel requests for this slice from other peers in initial // and endgame modes. if( dup || (WORLD.GetDupReqs() && BTCONTENT.pBMultPeer->IsSet(idx)) ) dup = WORLD.CancelSlice(idx, off, len); if( WORLD.GetDupReqs() || BTCONTENT.FlushFailed() ) dup += PENDINGQUEUE.DeleteSlice(idx, off, len); } }else{ // not requested--not saved if( m_last_timestamp - m_cancel_time > (m_latency ? (m_latency*2) : 60) ){ char msg[40]; BTCONTENT.CountUnwantedBlock(); sprintf(msg, "Unrequested piece %d/%d/%d", (int)idx, (int)off, (int)len); if( PeerError(1, msg) < 0 ) return -1; ResetDLTimer(); // set peer rate=0 so we don't favor for upload f_count = f_want = 0; }else{ if(arg_verbose) CONSOLE.Debug("Unneeded piece %d/%d/%d from %p", (int)idx, (int)off, (int)len, this); BTCONTENT.CountDupBlock(len); } f_success = 0; } if( !m_want_again && f_want ) m_want_again = 1; // Determine how many outstanding requests we should maintain, roughly: // (request turnaround latency) / (time to transmit one slice) if( f_requested ){ if(t){ m_latency = (m_last_timestamp <= t) ? 1 : (m_last_timestamp - t); if(arg_verbose) CONSOLE.Debug("%p latency is %d sec (receive)", this, (int)m_latency); m_latency_timestamp = m_last_timestamp; } size_t rate; if( (rate = RateDL()) > len/20 && m_latency_timestamp ){ // 20==RATE_INTERVAL from rate.cpp. This is really just a check to see // if rate is measurable/usable. m_req_send = (size_t)( m_latency / (len / (double)rate) + 1 ); if( m_req_send < 2 ) m_req_send = 2; // If latency increases, we will see this as a dlrate decrease. if( rate < m_prev_dlrate ) m_req_send++; else if( m_last_timestamp - m_latency_timestamp >= 30 && m_req_out == m_req_send - 1 ){ // Try to force latency measurement every 30 seconds. m_req_send--; m_latency_timestamp = m_last_timestamp; } m_prev_dlrate = rate; }else if (m_req_send < 5) m_req_send = 5; } /* if piece download complete. */ if( f_success && !BTCONTENT.pBF->IsSet(idx) && ( (f_requested && (request_q.IsEmpty() || !request_q.HasIdx(idx))) || (f_accept && !WORLD.WhoHas(idx) && !PENDINGQUEUE.Exist(idx)) ) ){ // Above WriteSlice may have triggered flush failure. If data was saved, // slice was deleted from Pending. If piece is incomplete, it's in Pending. if( !(BTCONTENT.FlushFailed() && PENDINGQUEUE.Exist(idx)) && !(f_complete = ReportComplete(idx, len)) ) f_count = 0; } // Don't count the slice in our DL total if it was unsolicited or bad. // (We don't owe the swarm any UL for such data.) if( f_count ) DataRecved(len); if( !f_complete && dup ) WORLD.CancelOneRequest(idx); if( request_q.IsEmpty() ){ StopDLTimer(); if( f_requested) m_standby = 0; } return (P_FAILED == m_status) ? -1 : (m_standby || !f_requested) ? 0 : RequestCheck(); } // This is for re-requesting unsuccessful slices. // Use RequestPiece for normal request queueing. int btPeer::RequestSlice(size_t idx,size_t off,size_t len) { int r; r = request_q.Requeue(idx,off,len); if( r < 0 ) return -1; else if( r ){ if(stream.Send_Request(idx,off,len) < 0){ return -1; } m_req_out++; m_receive_time = now; } return 0; } int btPeer::RequestCheck() { if( BTCONTENT.Seeding() || WORLD.IsPaused() ) return SetLocal(M_NOT_INTERESTED); if( Need_Remote_Data() ){ if(!m_state.local_interested && SetLocal(M_INTERESTED) < 0) return -1; if( !m_state.remote_choked ){ if( m_req_out > cfg_req_queue_length ){ if(arg_verbose) CONSOLE.Debug("ERROR@4: %p m_req_out underflow, resetting", this); m_req_out = 0; } if( request_q.IsEmpty() && RequestPiece() < 0 ) return -1; else if( m_req_out < m_req_send && (m_req_out < 2 || !RateDL() || 1 >= (m_req_out+1) * request_q.GetRequestLen() / (double)RateDL() - m_latency) // above formula is to try to allow delay between sending batches of reqs && SendRequest() < 0 ) return -1; } }else if(m_state.local_interested && SetLocal(M_NOT_INTERESTED) < 0) return -1; if(!request_q.IsEmpty()) StartDLTimer(); else StopDLTimer(); return 0; } void btPeer::CloseConnection() { if(arg_verbose) CONSOLE.Debug("%p closed", this); if( P_FAILED != m_status ){ m_status = P_FAILED; StopDLTimer(); StopULTimer(); stream.Close(); PutPending(); } if( g_next_up == this ) g_next_up = (btPeer *)0; if( g_next_dn == this ) g_next_dn = (btPeer *)0; } int btPeer::HandShake() { char txtid[PEER_ID_LEN*2+3]; ssize_t r = stream.Feed(); if( r < 0 ){ if(arg_verbose) CONSOLE.Debug("%p: %s", this, (r==-2) ? "remote closed" : strerror(errno)); return -1; } if( (r=stream.in_buffer.Count()) < 68 ){ // If it's not BitTorrent, don't wait around for a complete handshake. if( r > 20 ){ // ignore 8 reserved bytes following protocol ID if( memcmp(stream.in_buffer.BasePointer()+20, BTCONTENT.GetShakeBuffer()+20, (r<28) ? (r-20) : 8) != 0 ){ if(arg_verbose){ CONSOLE.Debug_n(""); CONSOLE.Debug_n("peer %p gave 0x", this); for(int i=20; i48 ){ TextPeerID((unsigned char *)(stream.in_buffer.BasePointer()+48), txtid); CONSOLE.Debug("peer is %s", txtid); } } return -1; } return 0; } if( memcmp(stream.in_buffer.BasePointer(), BTCONTENT.GetShakeBuffer(), 68) == 0 ){ if(arg_verbose) CONSOLE.Debug("peer %p is myself", this); if( m_connect && !cfg_public_ip ) Self.SetIp(m_sin); WORLD.AdjustPeersCount(); return -1; } // If the reserved bytes differ, make them the same. // If they mean anything important, the handshake is likely to fail anyway. if( memcmp(stream.in_buffer.BasePointer()+20, BTCONTENT.GetShakeBuffer()+20, 8) != 0 ){ if(arg_verbose){ CONSOLE.Debug_n(""); CONSOLE.Debug_n("peer %p gave 0x", this); for(int i=20; i<27; i++) CONSOLE.Debug_n("%2.2hx", (unsigned short)(unsigned char)(stream.in_buffer.BasePointer()[i])); CONSOLE.Debug_n(" as reserved bytes" ); } memcpy(stream.in_buffer.BasePointer()+20, BTCONTENT.GetShakeBuffer()+20, 8); } if( memcmp(stream.in_buffer.BasePointer(), BTCONTENT.GetShakeBuffer(),48) != 0 ){ if(arg_verbose){ CONSOLE.Debug_n(""); CONSOLE.Debug_n("mine: 0x"); for(int i=0; i<48; i++) CONSOLE.Debug_n("%2.2hx", (unsigned short)(unsigned char)(BTCONTENT.GetShakeBuffer()[i])); CONSOLE.Debug_n(""); CONSOLE.Debug_n("peer: 0x"); for(int i=0; i<48; i++) CONSOLE.Debug_n("%2.2hx", (unsigned short)(unsigned char)(stream.in_buffer.BasePointer()[i])); } return -1; } memcpy(id, stream.in_buffer.BasePointer()+48, PEER_ID_LEN); if(arg_verbose){ TextPeerID((unsigned char *)(stream.in_buffer.BasePointer()+48), txtid); CONSOLE.Debug("Peer %p ID: %s", this, txtid); } // ignore peer id verify if( !BTCONTENT.pBF->IsEmpty()){ char *bf = new char[BTCONTENT.pBF->NBytes()]; #ifndef WINDOWS if(!bf) return -1; #endif BTCONTENT.pBF->WriteToBuffer(bf); r = stream.Send_Bitfield(bf,BTCONTENT.pBF->NBytes()); delete []bf; } if( r >= 0){ if( stream.in_buffer.PickUp(68) < 0 ) return -1; m_status = P_SUCCESS; m_retried = 0; // allow reconnect attempt // When seeding, new peer starts at the end of the line. if( BTCONTENT.Seeding() ){ // i am seed // Allow resurrected peer to resume its place in line. if( 0 == m_unchoke_timestamp ) m_unchoke_timestamp = now; m_connect_seed = 1; } if( stream.HaveMessage() ) return RecvModule(); } return r; } int btPeer::Send_ShakeInfo() { return stream.Send_Buffer((char*)BTCONTENT.GetShakeBuffer(),68); } int btPeer::NeedWrite(int limited) { int yn = 0; size_t r; if( stream.out_buffer.Count() ) yn = 1; // data in buffer to send else if( P_CONNECTING == m_status ) yn = 1; // peer is connecting else if( WORLD.IsPaused() ) yn = 0; // paused--no up/download allowed else if( !m_state.local_choked && !reponse_q.IsEmpty() && !limited ) yn = 1; //can upload a slice else if( !m_state.remote_choked && m_state.local_interested && request_q.IsEmpty() && !m_standby ) yn = 1; // can request a new piece else if( request_q.NextSend() && m_req_out < m_req_send && (m_req_out < 2 || !(r = RateDL()) || 1 >= (m_req_out+1) * request_q.GetRequestLen() / (double)r - m_latency) ) yn = 1; // can send a queued request return yn; } int btPeer::NeedRead(int limited) { int yn = 1; if( P_SUCCESS == m_status && stream.PeekMessage(M_PIECE) && ((g_next_dn && g_next_dn != this) || limited) ){ yn = 0; } return yn; } int btPeer::CouldReponseSlice() { // If the entire buffer isn't big enough, go ahead and let the put resize it. if( !m_state.local_choked && (stream.out_buffer.LeftSize() >= H_LEN + H_PIECE_LEN + reponse_q.GetRequestLen() || stream.out_buffer.Count() + stream.out_buffer.LeftSize() < H_LEN + H_PIECE_LEN + reponse_q.GetRequestLen()) ) return 1; return 0; } int btPeer::AreYouOK() { m_f_keepalive = 1; return stream.Send_Keepalive(); } int btPeer::RecvModule() { ssize_t r = 0; if( stream.PeekMessage(M_PIECE) ){ if( !g_next_dn || g_next_dn==this ){ int limited = WORLD.BandWidthLimitDown(Self.LateDL()); if( !limited ){ if( g_next_dn ) g_next_dn = (btPeer *)0; r = stream.Feed(&rate_dl); // feed full amount (can download) // if(r>=0) CONSOLE.Debug("%p fed piece, now has %d bytes", this, r); Self.OntimeDL(0); } else if( !g_next_dn ){ if(arg_verbose) CONSOLE.Debug("%p waiting for DL bandwidth", this); g_next_dn = this; } } // else deferring DL, unless limited. }else if( !stream.HaveMessage() ){ // could have been called post-handshake r = stream.Feed(BUF_DEF_SIZ, &rate_dl); // if(r>=0) CONSOLE.Debug("%p fed, now has %d bytes (msg=%d)", // this, r, (int)(stream.PeekMessage())); } if( r < 0 ){ if(arg_verbose) CONSOLE.Debug("%p: %s", this, (r==-2) ? "remote closed" : strerror(errno)); return -1; } while( r = stream.HaveMessage() ){ if( r < 0 ) return -1; if( (r = MsgDeliver()) == -2 ){ if(arg_verbose) CONSOLE.Debug("%p seed<->seed detected", this); m_want_again = 0; } if( r < 0 || stream.PickMessage() < 0 ) return -1; } return 0; } int btPeer::SendModule() { if( stream.out_buffer.Count() && stream.Flush() < 0 ){ if(arg_verbose) CONSOLE.Debug("%p: %s", this, strerror(errno)); return -1; } if( !reponse_q.IsEmpty() && CouldReponseSlice() ){ int limited = WORLD.BandWidthLimitUp(Self.LateUL()); if( !g_next_up || g_next_up==this ){ if( !limited ){ if( g_next_up ) g_next_up = (btPeer *)0; StartULTimer(); Self.StartULTimer(); if( ReponseSlice() < 0 ) return -1; Self.OntimeUL(0); } else if( !g_next_up ){ if(arg_verbose) CONSOLE.Debug("%p waiting for UL bandwidth", this); g_next_up = this; if( g_defer_up ) g_defer_up = 0; } }else if( !limited ){ if(arg_verbose) CONSOLE.Debug("%p deferring UL to %p", this, g_next_up); if( !g_defer_up ) g_defer_up = 1; WORLD.Defer(); } }else if( g_next_up == this ) g_next_up = (btPeer *)0; return (!m_state.remote_choked) ? RequestCheck() : 0; } // Prevent a peer object from holding g_next_up when it's not ready to write. int btPeer::CheckSendStatus() { if( g_next_up == this && !WORLD.BandWidthLimitUp(Self.LateUL()) ){ if(arg_verbose){ CONSOLE.Debug("%p is not write-ready", this); if( g_defer_up ) CONSOLE.Debug("%p skipped UL", this); } g_next_up = (btPeer *)0; } return g_next_up ? 1 : 0; } /* Detect if a peer ignored, discarded, or lost my request and we're waiting for a piece that may never arrive. */ int btPeer::HealthCheck() { if( BTCONTENT.IsFull() ){ // Catch seeders who suppress HAVE and don't disconnect other seeders, // or who just sit there and waste a connection. if( m_health_time <= now - 300 ){ m_health_time = now; if( !m_state.remote_interested ){ if( m_bad_health ) return -1; m_bad_health = 1; } else m_bad_health = 0; } }else if( m_health_time <= now - 60 ){ m_health_time = now; if( !m_state.remote_choked && m_req_out ){ size_t allowance = !m_latency ? 150 : ((m_latency < 60) ? 60 : m_latency); if( m_receive_time < now - 2*allowance ){ // if a repeat occurrence, get rid of the peer if( m_bad_health || PeerError(2, "unresponsive") < 0 ) return -1; m_bad_health = 1; if(arg_verbose) CONSOLE.Debug("%p unresponsive; resetting request queue", this); int retval = CancelRequest(); PutPending(); return (retval < 0) ? -1 : 0; }else if( m_receive_time < now - allowance ){ CONSOLE.Debug("%p unresponsive; sending keepalive", this); AreYouOK(); // keepalive--may stimulate the connection }else m_bad_health = 0; }else m_bad_health = 0; } return 0; } // This handles peers that suppress HAVE messages so that we don't always think // that they're empty. If we've sent the peer an amount of data equivalent to // two pieces, assume that they now have at least one complete piece. int btPeer::IsEmpty() const { return ( bitfield.IsEmpty() && TotalUL() < BTCONTENT.GetPieceLength()*2 ) ? 1:0; } void btPeer::PutPending() { if( !request_q.IsEmpty() ){ if( PENDINGQUEUE.Pending(&request_q) != 0 ) WORLD.RecalcDupReqs(); WORLD.UnStandby(); } m_req_out = 0; } int btPeer::NeedPrefetch() const { if( P_SUCCESS == m_status && ( Is_Local_UnChoked() || (!BTCONTENT.IsFull() && Is_Remote_UnChoked() && m_prefetch_completion < 2 && request_q.LastSlice()) ) ) return 1; else return 0; } // Call NeedPrefetch() first, which checks additional conditions! void btPeer::Prefetch(time_t deadline) { size_t rd, ru; size_t idx, off, len; time_t predict, next_chance; if( !BTCONTENT.IsFull() && Is_Remote_UnChoked() && m_prefetch_completion < 2 && request_q.LastSlice() && (rd=RateDL()) > 0 && request_q.Peek(&idx, &off, &len)==0 && m_last_timestamp + len / rd < now + WORLD.GetUnchokeInterval() && Self.RateDL() > 0 && m_last_timestamp + len / rd < now + (cfg_cache_size*1024*1024 - BTCONTENT.GetPieceLength(idx)) / Self.RateDL() ){ switch( BTCONTENT.CachePrep(idx) ){ case -1: // don't prefetch m_prefetch_completion = 2; break; case 0: // ready, no data flushed if( m_prefetch_completion || off==0 ){ if( off+len < BTCONTENT.GetPieceLength(idx) ) BTCONTENT.ReadSlice(NULL, idx, off+len, BTCONTENT.GetPieceLength(idx)-off-len); m_prefetch_completion = 2; }else{ BTCONTENT.ReadSlice(NULL, idx, 0, off); if( off+len < BTCONTENT.GetPieceLength(idx) ) m_prefetch_completion = 1; else m_prefetch_completion = 2; } break; case 1: // data was flushed (time used) break; } } else if( Is_Local_UnChoked() && reponse_q.Peek(&idx, &off, &len) == 0 ){ if( cfg_max_bandwidth_up ) next_chance = (time_t)( Self.LastSendTime() + (double)(Self.LastSizeSent()) / cfg_max_bandwidth_up ); else next_chance = now; if( g_next_up ){ if( g_next_up != this ){ // deferral pending; we'll get another chance to prefetch return; }else m_next_send_time = next_chance; // I am the next sender } if( m_next_send_time < next_chance ) predict = next_chance; else predict = m_next_send_time; // Don't prefetch if it will expire from cache before being sent. if( predict < deadline && (0==(rd = Self.RateDL()) || predict <= now + cfg_cache_size*1024*1024 / rd) ){ // This allows re-prefetch if it might have expired from the cache. if( !m_prefetch_time || (0==rd && 0==(ru = Self.RateUL())) || now - m_prefetch_time > BTCONTENT.CacheSize() / (rd + ru) ){ BTCONTENT.ReadSlice(NULL, idx, off, len); m_prefetch_time = now; } } } } int btPeer::PeerError(int weight, const char *message) { int old_count = m_err_count; m_err_count += weight; if( m_err_count < 0 ) m_err_count = 0; if( arg_verbose && (weight > 0 || old_count > 0) ) CONSOLE.Debug("%p error %+d (%d) %s", this, weight, m_err_count, message); if( m_err_count >= 16 ){ m_want_again = 0; return -1; }else return 0; } void btPeer::dump() { struct sockaddr_in sin; GetAddress(&sin); CONSOLE.Print("%s: %d -> %d:%d %llud:%lluu", inet_ntoa(sin.sin_addr), bitfield.Count(), Is_Remote_UnChoked() ? 1 : 0, request_q.IsEmpty() ? 0 : 1, (unsigned long long)TotalDL(), (unsigned long long)TotalUL()); } ctorrent-1.3.4.dnh3.3.2/peer.h0000644000000000000000000001500511227344303015761 0ustar00usergroup00000000000000#ifndef PEER_H #define PEER_H #include "./def.h" #ifdef WINDOWS #include #else #include #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #include #include #include #endif #include #include #include #include "btrequest.h" #include "btstream.h" #include "bitfield.h" #include "rate.h" #include "btconfig.h" #define P_CONNECTING (unsigned char) 0 // connecting #define P_HANDSHAKE (unsigned char) 1 // handshaking #define P_SUCCESS (unsigned char) 2 // successful #define P_FAILED (unsigned char) 3 // failed typedef struct _btstatus{ unsigned char remote_choked:1; unsigned char remote_interested:1; unsigned char local_choked:1; unsigned char local_interested:1; unsigned char reserved:4; /* unused */ }BTSTATUS; int TextPeerID(const unsigned char *peerid, char *txtid); class btBasic { protected: struct sockaddr_in m_sin; Rate rate_dl; Rate rate_ul; private: public: //IP地址相关函数 int IpEquiv(struct sockaddr_in addr); void SetIp(struct sockaddr_in addr); void SetAddress(struct sockaddr_in addr); void GetAddress(struct sockaddr_in *psin) const { memcpy(psin,&m_sin,sizeof(struct sockaddr_in)); } // 速率相关函数 const Rate &GetDLRate() const { return rate_dl; } const Rate &GetULRate() const { return rate_ul; } void SetDLRate(Rate rate) { rate_dl = rate; StopDLTimer(); } void SetULRate(Rate rate) { rate_ul = rate; StopULTimer(); } uint64_t TotalDL() const { return rate_dl.Count(); } uint64_t TotalUL() const { return rate_ul.Count(); } void DataRecved(size_t nby) { rate_dl.CountAdd(nby); } void DataUnRec(size_t nby) { rate_dl.UnCount(nby); } void DataSended(size_t nby, double timestamp) { rate_ul.CountAdd(nby); rate_ul.RateAdd(nby, (size_t)cfg_max_bandwidth_up, timestamp); } size_t CurrentDL() { return rate_dl.CurrentRate(); } size_t CurrentUL() { return rate_ul.CurrentRate(); } size_t RateDL() { return rate_dl.RateMeasure(); } size_t RateUL() { return rate_ul.RateMeasure(); } size_t NominalDL() { return rate_dl.NominalRate(); } size_t NominalUL() { return rate_ul.NominalRate(); } void StartDLTimer() { rate_dl.StartTimer(); } void StartULTimer() { rate_ul.StartTimer(); } void StopDLTimer() { rate_dl.StopTimer(); } void StopULTimer() { rate_ul.StopTimer(); } void ResetDLTimer() { rate_dl.Reset(); } void ResetULTimer() { rate_ul.Reset(); } double LastSendTime() const { return rate_ul.LastRealtime(); } double LastRecvTime() const { return rate_dl.LastRealtime(); } size_t LastSizeSent() const { return rate_ul.LastSize(); } size_t LastSizeRecv() const { return rate_dl.LastSize(); } Rate *DLRatePtr() { return &rate_dl; } Rate *ULRatePtr() { return &rate_ul; } double LateDL() const { return rate_dl.Late(); } double LateUL() const { return rate_ul.Late(); } int OntimeDL() const { return rate_dl.Ontime(); } int OntimeUL() const { return rate_ul.Ontime(); } void OntimeDL(int yn) { rate_dl.Ontime(yn); } void OntimeUL(int yn) { rate_ul.Ontime(yn); } }; class btPeer:public btBasic { private: time_t m_last_timestamp, m_unchoke_timestamp; unsigned char m_f_keepalive:1; unsigned char m_status:4; unsigned char m_bad_health:1; unsigned char m_standby:1; unsigned char m_want_again:1; // attempt reconnect if lost unsigned char m_connect:1; // we initiated the connection unsigned char m_retried:1; // already retried connecting unsigned char m_connect_seed:1; // connected while I am seed unsigned char m_requested:1; // received a request since unchoke unsigned char m_prefetch_completion:2; // prefetched for piece completion unsigned char m_reserved:2; BTSTATUS m_state; size_t m_cached_idx; int m_err_count; size_t m_req_send; // target number of outstanding requests size_t m_req_out; // actual number of outstanding requests size_t m_latency; size_t m_prev_dlrate; time_t m_latency_timestamp; time_t m_health_time, m_receive_time, m_next_send_time; char m_lastmsg; time_t m_choketime; time_t m_prefetch_time; time_t m_cancel_time; size_t m_last_req_piece; static btPeer *g_next_up, *g_next_dn; static unsigned char g_defer_up; int PieceDeliver(size_t mlen); int ReportComplete(size_t idx, size_t len); int RequestCheck(); int SendRequest(); int ReponseSlice(); int RequestPiece(); int MsgDeliver(); int CouldReponseSlice(); int RequestSlice(size_t idx,size_t off,size_t len); int PeerError(int weight, const char *message); public: unsigned char id[PEER_ID_LEN]; BitField bitfield; btStream stream; RequestQueue request_q; RequestQueue reponse_q; btPeer(); void CopyStats(btPeer *peer); int RecvModule(); int SendModule(); int HealthCheck(); int CheckSendStatus(); void UnStandby() { m_standby = 0; } time_t SetLastTimestamp() { return time(&m_last_timestamp); } time_t GetLastTimestamp() const { return m_last_timestamp; } time_t SetLastUnchokeTime() { return time(&m_unchoke_timestamp); } time_t GetLastUnchokeTime() const { return m_unchoke_timestamp; } int Is_Remote_Interested() const { return m_state.remote_interested ? 1 : 0; } int Is_Remote_UnChoked() const { return m_state.remote_choked ? 0 : 1; } int Is_Local_Interested() const { return m_state.local_interested ? 1 : 0;} int Is_Local_UnChoked() const { return m_state.local_choked ? 0 : 1; } int SetLocal(unsigned char s); int IsEmpty() const; int CancelRequest(); int CancelSliceRequest(size_t idx, size_t off, size_t len); int CancelPiece(size_t idx); size_t FindLastCommonRequest(BitField &proposerbf); void SetStatus(unsigned char s){ m_status = s; } unsigned char GetStatus() const { return m_status; } int NeedWrite(int limited); int NeedRead(int limited); void CloseConnection(); int CanReconnect() const { return (m_connect && m_want_again && !m_retried) ? 1 : 0; } int WantAgain() const { return m_want_again ? 1 : 0; } void DontWantAgain() { m_want_again = 0; } void SetConnect() { m_connect = 1; } void Retry() { m_retried = 1; } int Retried() const { return m_retried ? 1 : 0; } int ConnectedWhileSeed() const { return m_connect_seed ? 1 : 0; } int AreYouOK(); int Send_ShakeInfo(); int HandShake(); int Need_Remote_Data() const; int Need_Local_Data() const; void PutPending(); int NeedPrefetch() const; void Prefetch(time_t deadline); void dump(); }; extern btBasic Self; #endif ctorrent-1.3.4.dnh3.3.2/peerlist.cpp0000644000000000000000000013503111227344303017212 0ustar00usergroup00000000000000#include "peerlist.h" // def.h #include #include #include #include #include #include #include "btconfig.h" #include "connect_nonb.h" #include "setnonblock.h" #include "btcontent.h" #include "msgencode.h" #include "iplist.h" #include "tracker.h" #include "ctcs.h" #include "bttime.h" #include "console.h" #if !defined(HAVE_CLOCK_GETTIME) || !defined(HAVE_SNPRINTF) || \ !defined(HAVE_RANDOM) #include "compat.h" #endif #define MIN_UNCHOKES 3 #define MIN_OPT_CYCLE 3 #define MIN_UNCHOKE_INTERVAL 10 #define KEEPALIVE_INTERVAL 117 #define PEER_IS_SUCCESS(peer) (P_SUCCESS == (peer)->GetStatus()) #define PEER_IS_FAILED(peer) (P_FAILED == (peer)->GetStatus()) #define NEED_MORE_PEERS() (m_peers_count < cfg_max_peers) const char LIVE_CHAR[4] = {'-', '\\','|','/'}; PeerList WORLD; PeerList::PeerList() { m_unchoke_check_timestamp = m_keepalive_check_timestamp = m_opt_timestamp = m_interval_timestamp = time((time_t*) 0); m_unchoke_interval = MIN_UNCHOKE_INTERVAL; m_opt_interval = MIN_OPT_CYCLE * MIN_UNCHOKE_INTERVAL; m_head = m_dead = (PEERNODE*) 0; m_listen_sock = INVALID_SOCKET; m_peers_count = m_seeds_count = m_conn_count = m_downloads = 0; m_f_pause = m_f_dlate = m_f_ulate = m_endgame = 0; m_max_unchoke = MIN_UNCHOKES; m_defer_count = m_missed_count = 0; m_upload_count = m_up_opt_count = 0; m_prev_limit_up = cfg_max_bandwidth_up; m_dup_req_pieces = 0; } PeerList::~PeerList() { PEERNODE *p,*pnext; for( p = m_head; p ; ){ pnext = p->next; delete p->peer; delete p; p = pnext; } for( p = m_dead; p ; ){ pnext = p->next; delete p->peer; delete p; p = pnext; } } void PeerList::CloseAll() { PEERNODE *p; for( p = m_head; p; ){ m_head = p->next; delete (p->peer); delete p; p = m_head; } } int PeerList::NewPeer(struct sockaddr_in addr, SOCKET sk) { PEERNODE *p, *pp, *pnext; btPeer *peer = (btPeer*) 0; int r; if( m_peers_count >= cfg_max_peers ){ if( INVALID_SOCKET != sk ) CLOSE_SOCKET(sk); return -4; } if( INVALID_SOCKET != sk && Self.IpEquiv(addr) ){ if(arg_verbose) CONSOLE.Debug("Connection from myself %s", inet_ntoa(addr.sin_addr)); Tracker.AdjustPeersCount(); if( INVALID_SOCKET != sk ) CLOSE_SOCKET(sk); return -3; } for( p = m_head; p; p = p->next ){ if( !PEER_IS_FAILED(p->peer) && p->peer->IpEquiv(addr) ){ if(arg_verbose) CONSOLE.Debug("Connection from duplicate peer %s", inet_ntoa(addr.sin_addr)); if( INVALID_SOCKET != sk ) CLOSE_SOCKET(sk); return -3; } } // See if we've had this peer before, and maintain its stats. // Do it here instead of later to insure we purge old entries periodically. pp = (PEERNODE *)0; for( p = m_dead; p; p = pnext ){ if( p->peer->IpEquiv(addr) ) break; else{ pnext = p->next; if( p->peer->GetLastTimestamp() + 2 * Tracker.GetInterval() < now ){ delete p->peer; if( pp ) pp->next = p->next; else m_dead = p->next; delete p; }else pp = p; } } if( INVALID_SOCKET == sk ){ if( INVALID_SOCKET == (sk = socket(AF_INET,SOCK_STREAM,0)) ) return -1; if( setfd_nonblock(sk) < 0) goto err; if( -1 == (r = connect_nonb(sk,(struct sockaddr*)&addr)) ){ if(arg_verbose) CONSOLE.Debug("Connect to peer at %s:%hu failed: %s", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port), strerror(errno)); return -1; } peer = new btPeer; #ifndef WINDOWS if( !peer ) goto err; #endif peer->SetConnect(); peer->SetAddress(addr); peer->stream.SetSocket(sk); peer->SetStatus( (-2 == r) ? P_CONNECTING : P_HANDSHAKE ); if(arg_verbose) CONSOLE.Debug("Connecting to %s:%hu (peer %p)", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port), peer); }else{ if( setfd_nonblock(sk) < 0) goto err; peer = new btPeer; #ifndef WINDOWS if( !peer ) goto err; #endif peer->SetAddress(addr); peer->stream.SetSocket(sk); peer->SetStatus(P_HANDSHAKE); if(arg_verbose) CONSOLE.Debug("Connection from %s:%hu (peer %p)", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port), peer); } if( !BTCONTENT.Seeding() && peer->stream.in_buffer.SetSize(BUF_DEF_SIZ + cfg_req_slice_size) < 0 ) goto err; if( P_HANDSHAKE == peer->GetStatus() ) if( peer->Send_ShakeInfo() != 0 ) goto err; if( p ){ // resurrected! (reconnected with an old peer) if( pp ) pp->next = p->next; else m_dead = p->next; peer->CopyStats(p->peer); delete p->peer; }else{ p = new PEERNODE; #ifndef WINDOWS if( !p ) goto err; #endif } m_peers_count++; p->peer = peer; p->next = m_head; m_head = p; return 0; err: if( peer ) delete peer; if( INVALID_SOCKET != sk ) CLOSE_SOCKET(sk); return -1; } int PeerList::IntervalCheck(fd_set *rfdp, fd_set *wfdp) { int f_keepalive_check = 0; int f_unchoke_check = 0; int i = 0; btPeer **UNCHOKER; // No pause check here--stay ready by continuing to acquire peers. if( !Tracker.IsQuitting() ){ struct sockaddr_in addr; for( ; NEED_MORE_PEERS() && !IPQUEUE.IsEmpty(); ){ if(IPQUEUE.Pop(&addr) < 0) break; if(NewPeer(addr,INVALID_SOCKET) == -4) break; } } m_ul_limited = BandWidthLimitUp(Self.LateUL()); // After seeding a while, disconnect uninterested peers & shrink in_buffers. if( now - BTCONTENT.GetSeedTime() <= 301 && now - BTCONTENT.GetSeedTime() >= 300 ) CloseAllConnectionToSeed(); if( KEEPALIVE_INTERVAL <= now - m_keepalive_check_timestamp ){ m_keepalive_check_timestamp = now; f_keepalive_check = 1; } if( m_unchoke_interval <= now - m_unchoke_check_timestamp && m_head && !m_f_pause ){ f_unchoke_check = 1; if( m_missed_count > m_upload_count && cfg_max_bandwidth_up ){ size_t unchokes = GetUnchoked(); // already adds one (opt) if( unchokes < MIN_UNCHOKES ) m_max_unchoke = MIN_UNCHOKES; else{ m_max_unchoke = unchokes; if(arg_verbose) CONSOLE.Debug("max unchokes up to %d", (int)m_max_unchoke); } }else if(arg_verbose) CONSOLE.Debug("UL missed %d sending %d", (int)m_missed_count, (int)m_upload_count); m_up_opt_count += m_upload_count; m_missed_count = m_upload_count = 0; if( m_opt_interval && m_opt_interval <= now - m_opt_timestamp ){ m_opt_timestamp = 0; if( m_defer_count > m_up_opt_count && m_max_unchoke > MIN_UNCHOKES && cfg_max_bandwidth_up ){ m_max_unchoke--; if(arg_verbose) CONSOLE.Debug("max unchokes down to %d", (int)m_max_unchoke); }else if(arg_verbose) CONSOLE.Debug("UL deferred %d sending %d", (int)m_defer_count, (int)m_up_opt_count); m_defer_count = m_up_opt_count = 0; } if( 0==cfg_max_bandwidth_up ) m_max_unchoke = MIN_UNCHOKES; UNCHOKER = new btPeer *[m_max_unchoke + 1]; if( UNCHOKER ) memset(UNCHOKER, 0, (m_max_unchoke + 1) * sizeof(btPeer*)); else CONSOLE.Warning(1, "warn, failed to allocate unchoke array."); SetUnchokeIntervals(); }else{ // no unchoke check if( now < m_unchoke_check_timestamp ) m_unchoke_check_timestamp = now; if( MIN_UNCHOKE_INTERVAL <= now - m_interval_timestamp ){ m_interval_timestamp = now; // If up bw limit has changed enough, recompute the intervals. // This is primarily to prevent a low limit from delaying an unchoke for // a long time even after the limit has been increased. if( !BandWidthLimitUp() || ( m_prev_limit_up && abs((int)cfg_max_bandwidth_up - (int)m_prev_limit_up) / (double)m_prev_limit_up > 1 / (double)m_unchoke_interval && ( cfg_max_bandwidth_up < cfg_req_slice_size * (MIN_OPT_CYCLE-1) / (MIN_UNCHOKE_INTERVAL * MIN_OPT_CYCLE) || m_prev_limit_up < cfg_req_slice_size * (MIN_OPT_CYCLE-1) / (MIN_UNCHOKE_INTERVAL * MIN_OPT_CYCLE) ) ) ){ SetUnchokeIntervals(); } }else if( now < m_interval_timestamp ) m_interval_timestamp = now; } if( cfg_cache_size && !m_f_pause && IsIdle() ){ int f_idle = 1; for( PEERNODE *p = m_head; p; p = p->next ){ if( p->peer->NeedPrefetch() ){ if( f_idle || IsIdle() ){ p->peer->Prefetch(m_unchoke_check_timestamp + m_unchoke_interval); time(&now); f_idle = 0; }else break; } } } return FillFDSet(rfdp, wfdp, f_keepalive_check, f_unchoke_check, UNCHOKER); } int PeerList::FillFDSet(fd_set *rfdp, fd_set *wfdp, int f_keepalive_check, int f_unchoke_check, btPeer **UNCHOKER) { PEERNODE *p, *pp; int maxfd = -1; SOCKET sk = INVALID_SOCKET; m_f_limitu = BandWidthLimitUp(Self.LateUL()); m_f_limitd = BandWidthLimitDown(Self.LateDL()); again: pp = (PEERNODE*) 0; m_seeds_count = m_conn_count = m_downloads = 0; size_t interested_count = 0; for( p = m_head; p; ){ sk = p->peer->stream.GetSocket(); if( PEER_IS_FAILED(p->peer) ){ if( sk != INVALID_SOCKET ){ FD_CLR(sk,rfdp); FD_CLR(sk,wfdp); } if( p->peer->CanReconnect() ){ // connect to this peer again if(arg_verbose) CONSOLE.Debug("Adding %p for reconnect", p->peer); p->peer->Retry(); struct sockaddr_in addr; p->peer->GetAddress(&addr); IPQUEUE.Add(&addr); } if( pp ) pp->next = p->next; else m_head = p->next; if( p->peer->TotalDL() || p->peer->TotalUL() ){ // keep stats p->peer->SetLastTimestamp(); p->next = m_dead; m_dead = p; }else{ delete p->peer; delete p; } m_peers_count--; if( pp ) p = pp->next; else p = m_head; continue; }else{ if( !PEER_IS_SUCCESS(p->peer) ) m_conn_count++; else{ if( p->peer->bitfield.IsFull() ) m_seeds_count++; if( p->peer->Is_Local_Interested() ){ interested_count++; if( p->peer->Is_Remote_UnChoked() ) m_downloads++; } } if( f_keepalive_check ){ if( 3 * KEEPALIVE_INTERVAL <= now - p->peer->GetLastTimestamp() ){ if(arg_verbose) CONSOLE.Debug("close: keepalive expired"); p->peer->CloseConnection(); goto skip_continue; } if( PEER_IS_SUCCESS(p->peer) && KEEPALIVE_INTERVAL <= now - p->peer->GetLastTimestamp() && p->peer->AreYouOK() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: keepalive death"); p->peer->CloseConnection(); goto skip_continue; } } if( f_unchoke_check && PEER_IS_SUCCESS(p->peer) ){ if( p->peer->Is_Remote_Interested() && p->peer->Need_Local_Data() ){ if( UNCHOKER && UnChokeCheck(p->peer, UNCHOKER) < 0 ) goto skip_continue; }else if(p->peer->SetLocal(M_CHOKE) < 0){ if(arg_verbose) CONSOLE.Debug("close: Can't choke peer"); p->peer->CloseConnection(); goto skip_continue; } } if( PEER_IS_FAILED(p->peer) ) goto skip_continue; // failsafe if(maxfd < sk) maxfd = sk; if( !FD_ISSET(sk,rfdp) && p->peer->NeedRead((int)m_f_limitd) ) FD_SET(sk,rfdp); if( !FD_ISSET(sk,wfdp) && p->peer->NeedWrite((int)m_f_limitu) ) FD_SET(sk,wfdp); skip_continue: if( PEER_IS_FAILED(p->peer) ){ FD_CLR(sk,rfdp); FD_CLR(sk,wfdp); } pp = p; p = p->next; } } // end for if( (m_f_limitu && !(m_f_limitu = BandWidthLimitUp(Self.LateUL()))) || (m_f_limitd && !(m_f_limitd = BandWidthLimitDown(Self.LateDL()))) ) goto again; if( 0==interested_count ) Self.StopDLTimer(); if( INVALID_SOCKET != m_listen_sock && m_peers_count < cfg_max_peers){ FD_SET(m_listen_sock, rfdp); if( maxfd < m_listen_sock ) maxfd = m_listen_sock; } if( f_unchoke_check && UNCHOKER ){ m_unchoke_check_timestamp = now; // time of the last unchoke check if (!m_opt_timestamp) m_opt_timestamp = now; if( !UNCHOKER[0] ) Self.StopULTimer(); for( int i = 0; i < m_max_unchoke + 1; i++ ){ if( !UNCHOKER[i] ) break; if( PEER_IS_FAILED(UNCHOKER[i]) ) continue; sk = UNCHOKER[i]->stream.GetSocket(); if( UNCHOKER[i]->SetLocal(M_UNCHOKE) < 0 ){ if(arg_verbose) CONSOLE.Debug("close: Can't unchoke peer"); UNCHOKER[i]->CloseConnection(); FD_CLR(sk,rfdp); FD_CLR(sk,wfdp); continue; } if( !FD_ISSET(sk,wfdp) && UNCHOKER[i]->NeedWrite((int)m_f_limitu) ){ FD_SET(sk,wfdp); if( maxfd < sk) maxfd = sk; } } // end for delete []UNCHOKER; } return maxfd; } void PeerList::SetUnchokeIntervals() { time_t old_unchoke_int = m_unchoke_interval, old_opt_int = m_opt_interval; // Unchoke peers long enough to have a chance at getting some data. if( BandWidthLimitUp() && BTCONTENT.Seeding() ){ int optx = (int)( 1 / (1 - (double)MIN_UNCHOKE_INTERVAL * cfg_max_bandwidth_up / cfg_req_slice_size) ); if( optx < 0 ) optx = 0; if( optx < MIN_OPT_CYCLE ){ optx = MIN_OPT_CYCLE; double interval = cfg_req_slice_size / (cfg_max_bandwidth_up * MIN_OPT_CYCLE / (double)(MIN_OPT_CYCLE-1)); m_unchoke_interval = (size_t)interval; if( interval - (int)interval > 0 ) m_unchoke_interval++; if( m_unchoke_interval < MIN_UNCHOKE_INTERVAL ) m_unchoke_interval = MIN_UNCHOKE_INTERVAL; }else{ // Allow each peer at least 60 seconds unchoked. m_unchoke_interval = MIN_UNCHOKE_INTERVAL; if( m_max_unchoke+1 < 60 / m_unchoke_interval ){ int maxopt = (int)( 1 / (1 - (double)(m_max_unchoke+1) * m_unchoke_interval / 60) ); if( maxopt > MIN_OPT_CYCLE && optx > maxopt ) optx = maxopt; } if( optx > m_max_unchoke+2 ) optx = m_max_unchoke+2; } m_opt_interval = optx * m_unchoke_interval; }else if( BandWidthLimitUp() && !BTCONTENT.Seeding() ){ // Need to be able to upload a slice per interval. double interval = cfg_req_slice_size / (double)cfg_max_bandwidth_up; m_unchoke_interval = (size_t)interval; if( interval - (int)interval > 0 ) m_unchoke_interval++; if( m_unchoke_interval < MIN_UNCHOKE_INTERVAL ) m_unchoke_interval = MIN_UNCHOKE_INTERVAL; m_opt_interval = MIN_OPT_CYCLE * m_unchoke_interval; }else{ m_unchoke_interval = MIN_UNCHOKE_INTERVAL; m_opt_interval = MIN_OPT_CYCLE * MIN_UNCHOKE_INTERVAL; } m_prev_limit_up = cfg_max_bandwidth_up; m_interval_timestamp = now; if( arg_verbose && (m_unchoke_interval != old_unchoke_int || m_opt_interval != old_opt_int) ) CONSOLE.Debug("ulimit %d, unchoke interval %d, opt interval %d", (int)cfg_max_bandwidth_up, (int)m_unchoke_interval, (int)m_opt_interval); } btPeer* PeerList::Who_Can_Abandon(btPeer *proposer) { PEERNODE *p; btPeer *peer = (btPeer*) 0; PSLICE ps; size_t idx; for( p = m_head; p; p = p->next ){ if(!PEER_IS_SUCCESS(p->peer) || p->peer == proposer || p->peer->request_q.IsEmpty() ) continue; if( (peer && p->peer->NominalDL() < peer->NominalDL()) || (!peer && p->peer->NominalDL() * 1.5 < proposer->NominalDL()) ){ idx = p->peer->request_q.GetRequestIdx(); if( proposer->bitfield.IsSet(idx) && !proposer->request_q.HasIdx(idx) ) peer = p->peer; else{ ps = p->peer->request_q.GetHead(); for( ; ps; ps = ps->next ){ if( idx == ps->index ) continue; idx = ps->index; if( proposer->bitfield.IsSet(idx) && !proposer->request_q.HasIdx(idx) ){ peer = p->peer; break; } } } } } //end for if( peer && arg_verbose ) CONSOLE.Debug("Abandoning %p (%d B/s) for %p (%d B/s)", peer, peer->NominalDL(), proposer, proposer->NominalDL()); return peer; } // This takes an index parameter to facilitate modification of the function to // allow targeting of a specific piece. It's currently only used as a flag to // specify endgame or initial-piece mode though. size_t PeerList::What_Can_Duplicate(BitField &bf, const btPeer *proposer, size_t idx) { struct qdata { size_t idx, qlen, count; }; struct qdata *data; int endgame, pass, i, mark; PEERNODE *p; PSLICE ps; size_t slots, piece, qsize; double work, best; endgame = idx < BTCONTENT.GetNPieces(); // else initial-piece mode slots = endgame ? BTCONTENT.GetNPieces() - BTCONTENT.pBF->Count() : m_downloads * 2; if( slots < m_dup_req_pieces + 2 ) slots = m_dup_req_pieces + 2; data = new struct qdata[slots]; #ifndef WINDOWS if( !data ) return BTCONTENT.GetNPieces(); #endif // In initial mode, only dup a piece with trade value. // In endgame mode, dup any if there are no pieces with trade value. FindValuedPieces(bf, proposer, !endgame); if( bf.IsEmpty() ){ if(endgame) bf = proposer->bitfield; else return BTCONTENT.GetNPieces(); } // initialize data[0].idx = BTCONTENT.GetNPieces(); data[0].qlen = 0; data[0].count = 0; for( i = 1; i < slots; i++ ) memcpy(data + i, data, sizeof(struct qdata)); // measure applicable piece request queues for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer == proposer || p->peer->request_q.IsEmpty() ) continue; piece = BTCONTENT.GetNPieces(); ps = p->peer->request_q.GetHead(); for( ; ps; ps = ps->next ){ if( piece == ps->index || !bf.IsSet(ps->index) || proposer->request_q.HasIdx(ps->index) ) continue; piece = ps->index; qsize = p->peer->request_q.Qlen(piece); // insert queue data into array at (idx % slots) pass = 0; i = piece % slots; while( data[i].idx < BTCONTENT.GetNPieces() && pass < 2 ){ if( piece == data[i].idx ) break; i++; if( i >= slots ){ i = 0; pass++; } } if( pass < 2 ){ if( data[i].idx == BTCONTENT.GetNPieces() ){ data[i].idx = piece; data[i].qlen = qsize; } data[i].count++; } } } // end of measurement loop /* Find the best workload for initial/endgame. In endgame mode, request the piece that should take the longest. In initial mode, request the piece that should complete the fastest. */ best = endgame ? 0 : BTCONTENT.GetPieceLength() / cfg_req_slice_size + 2; mark = slots; for( i = 0; i < slots; i++ ){ if( data[i].idx == BTCONTENT.GetNPieces() ) continue; work = data[i].qlen / (double)(data[i].count); if( work > 1 && (endgame ? work > best : work < best) ){ best = work; mark = i; } } if( mark < slots && data[mark].count == 1 ) m_dup_req_pieces++; CONSOLE.Debug("%d dup req pieces", (int)m_dup_req_pieces); delete []data; return (mark < slots) ? data[mark].idx : BTCONTENT.GetNPieces(); } void PeerList::FindValuedPieces(BitField &bf, const btPeer *proposer, int initial) const { PEERNODE *p; BitField bf_all_have = bf, bf_int_have = bf, bf_others_have, bf_only_he_has = bf, *pbf_prefer; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer == proposer ) continue; if( p->peer->Need_Remote_Data() ) bf_int_have.And(p->peer->bitfield); bf_all_have.And(p->peer->bitfield); if( !initial && !p->peer->bitfield.IsFull() ) bf_only_he_has.Except(p->peer->bitfield); else bf_others_have.Comb(p->peer->bitfield); } /* bf_all_have is now pertinent pieces that all peers have bf_int_have is pertinent pieces that all peers in which I'm interested have We prefer to get pieces that those peers need, if we can. Otherwise go for pieces that any peer needs in hopes of future reciprocation. */ if( !bf_int_have.IsFull() ) bf_all_have = bf_int_have; bf_all_have.Invert(); bf.And(bf_all_have); // bf is now pertinent pieces that not everyone has pbf_prefer = initial ? &bf_others_have : &bf_only_he_has; BitField tmpBitField = bf; tmpBitField.And(*pbf_prefer); /* If initial mode, tmpBitField is now pertinent pieces that more than one peer has, but not everyone. Otherwise, it's pertinent pieces that only the proposer has (not considering what other seeders have). In either case if there are no such pieces, revert to the simple answer.*/ if( !tmpBitField.IsEmpty() ) bf = tmpBitField; } /* Find a peer with the given piece in its request queue. Duplicating a request queue that's in progress rather than creating a new one helps avoid requesting slices that we already have. */ btPeer *PeerList::WhoHas(size_t idx) const { PEERNODE *p; btPeer *peer = (btPeer*) 0; for( p = m_head; p; p = p->next ){ if( p->peer->request_q.HasIdx(idx) ){ peer = p->peer; break; } } return peer; } int PeerList::HasSlice(size_t idx, size_t off, size_t len) const { PEERNODE *p; for( p = m_head; p; p = p->next ){ if( p->peer->request_q.HasSlice(idx, off, len) ) break; } return p ? 1 : 0; } /* If another peer has the same slice requested first, move the proposer's slice to the last position for the piece. */ void PeerList::CompareRequest(btPeer *proposer, size_t idx) { PSLICE ps, qs; PEERNODE *p; size_t qlen, count=0; ps = proposer->request_q.GetHead(); for( ; ps && idx != ps->index; ps = ps->next ); if( !ps ) return; qlen = proposer->request_q.Qlen(idx); do{ for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer->request_q.IsEmpty() ) continue; qs = p->peer->request_q.GetHead(); for( ; qs && idx != qs->index; qs = qs->next ); if( qs && ps->index == qs->index && ps->offset == qs->offset && ps->length == qs->length ){ qs = ps->next; proposer->request_q.MoveLast(ps); ps = qs; break; } } }while( p && ++count < qlen ); } int PeerList::CancelSlice(size_t idx, size_t off, size_t len) { PEERNODE *p; int t, r=0; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) ) continue; t = p->peer->CancelSliceRequest(idx, off, len); if( t ){ r = 1; if( t < 0 ){ if(arg_verbose) CONSOLE.Debug("close: CancelSlice"); p->peer->CloseConnection(); } } } return r; } int PeerList::CancelPiece(size_t idx) { PEERNODE *p; int t, r=0; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) ) continue; t = p->peer->CancelPiece(idx); if( t ){ r = 1; if( t < 0 ){ if(arg_verbose) CONSOLE.Debug("close: CancelPiece"); p->peer->CloseConnection(); } } } return r; } // Cancel one peer's request for a specific piece. void PeerList::CancelOneRequest(size_t idx) { PEERNODE *p; PSLICE ps; btPeer *peer = (btPeer *)0; int count, max=0, dupcount=0, pending = 0; if( PENDINGQUEUE.Exist(idx) ){ pending = 1; dupcount++; } for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) ) continue; // select the peer with the most requests ahead of the target piece count = 0; ps = p->peer->request_q.GetHead(); for( ; ps; ps = ps->next ){ if( ps->index == idx ) break; else count++; } if( ps ){ dupcount++; // in a tie, select the slower peer if( count > max || !peer || (!pending && count == max && p->peer->NominalDL() < peer->NominalDL()) ){ peer = p->peer; max = count; } } } if( peer && dupcount > peer->request_q.Qlen(idx) ){ if( pending ) PENDINGQUEUE.Delete(idx); else{ CONSOLE.Debug("Cancel #%d on %p (%d B/s)", (int)idx, peer, (int)(peer->NominalDL())); peer->CancelPiece(idx); } if( dupcount == 2 ){ // was 2, now only 1 m_dup_req_pieces--; CONSOLE.Debug("%d dup req pieces", (int)m_dup_req_pieces); } } } void PeerList::RecalcDupReqs() { PEERNODE *p; PSLICE ps; size_t idx; BitField rqbf, dupbf; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer->request_q.IsEmpty() ) continue; ps = p->peer->request_q.GetHead(); idx = BTCONTENT.GetNPieces(); for( ; ps; ps = ps->next ){ if( idx == ps->index ) continue; idx = ps->index; if( rqbf.IsSet(idx) ) dupbf.Set(idx); else{ rqbf.Set(idx); if( PENDINGQUEUE.Exist(idx) ) dupbf.Set(idx); } } } m_dup_req_pieces = dupbf.Count(); CONSOLE.Debug("recalc: %d dup req pieces", (int)m_dup_req_pieces); } void PeerList::Tell_World_I_Have(size_t idx) { PEERNODE *p; int f_seed = 0; if ( BTCONTENT.Seeding() ) f_seed = 1; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) ) continue; // Don't send HAVE to seeders, except for our first piece. if( (!p->peer->bitfield.IsFull() || 1==BTCONTENT.pBF->Count()) && p->peer->stream.Send_Have(idx) < 0) p->peer->CloseConnection(); else if( f_seed ){ // request queue is emptied by setting not-interested state if( p->peer->SetLocal(M_NOT_INTERESTED) < 0 ){ if(arg_verbose) CONSOLE.Debug("close: Can't set self not interested (T_W_I_H)"); p->peer->CloseConnection(); } } } // end for } int PeerList::Accepter() { SOCKET newsk; socklen_t addrlen; struct sockaddr_in addr; addrlen = sizeof(struct sockaddr_in); newsk = accept(m_listen_sock,(struct sockaddr*) &addr,&addrlen); // CONSOLE.Debug("incoming! %s:%hu", // inet_ntoa(addr.sin_addr), ntohs(addr.sin_port)); if( INVALID_SOCKET == newsk ) return -1; if( AF_INET != addr.sin_family || addrlen != sizeof(struct sockaddr_in) ){ CLOSE_SOCKET(newsk); return -1; } if( Tracker.IsQuitting() ){ CLOSE_SOCKET(newsk); return -1; } return NewPeer(addr,newsk); } int PeerList::Initial_ListenPort() { int r = 0; struct sockaddr_in lis_addr; memset(&lis_addr,0, sizeof(sockaddr_in)); lis_addr.sin_family = AF_INET; lis_addr.sin_addr.s_addr = INADDR_ANY; strcpy(m_listen, "n/a"); m_listen_sock = socket(AF_INET,SOCK_STREAM,0); if( INVALID_SOCKET == m_listen_sock ) return -1; if ( cfg_listen_ip != 0 ) lis_addr.sin_addr.s_addr = cfg_listen_ip; if(cfg_listen_port){ int opt = 1; setsockopt(m_listen_sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); lis_addr.sin_port = htons(cfg_listen_port); if( bind(m_listen_sock, (struct sockaddr*)&lis_addr, sizeof(struct sockaddr_in)) == 0 ) r = 1; else{ opt = 0; setsockopt(m_listen_sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); CONSOLE.Warning(2, "warn, couldn't bind on specified port %d: %s", cfg_listen_port, strerror(errno)); } } if( !r && (!cfg_listen_port || cfg_listen_port > 1025) ){ r = -1; if(cfg_listen_port){ cfg_min_listen_port = cfg_listen_port - (cfg_max_listen_port - cfg_min_listen_port); if( cfg_min_listen_port < 1025 ) cfg_min_listen_port = 1025; cfg_max_listen_port = cfg_listen_port; } cfg_listen_port = cfg_max_listen_port; for( ; r != 0; ){ lis_addr.sin_port = htons(cfg_listen_port); r = bind(m_listen_sock, (struct sockaddr*)&lis_addr, sizeof(struct sockaddr_in)); if(r != 0){ cfg_listen_port--; if(cfg_listen_port < cfg_min_listen_port){ CLOSE_SOCKET(m_listen_sock); CONSOLE.Warning(1, "error, couldn't bind port from %d to %d: %s", cfg_min_listen_port, cfg_max_listen_port, strerror(errno)); return -1; } } } /* end for(; r != 0;) */ } if(listen(m_listen_sock,5) == -1){ CLOSE_SOCKET(m_listen_sock); CONSOLE.Warning(1, "error, couldn't listen on port %d: %s", cfg_listen_port,strerror(errno)); return -1; } if( setfd_nonblock(m_listen_sock) < 0){ CLOSE_SOCKET(m_listen_sock); CONSOLE.Warning(1, "error, couldn't set socket to nonblock mode."); return -1; } snprintf(m_listen, sizeof(m_listen), "%s:%d", inet_ntoa(lis_addr.sin_addr), ntohs(lis_addr.sin_port)); CONSOLE.Print("Listening on %s", m_listen); return 0; } size_t PeerList::Pieces_I_Can_Get() const { BitField tmpBitField; return Pieces_I_Can_Get(&tmpBitField); } size_t PeerList::Pieces_I_Can_Get(BitField *ptmpBitField) const { if( m_seeds_count > 0 || BTCONTENT.IsFull() ) ptmpBitField->SetAll(); else{ PEERNODE *p; *ptmpBitField = *BTCONTENT.pBF; for( p = m_head; p && !ptmpBitField->IsFull(); p = p->next ){ if( PEER_IS_SUCCESS(p->peer) ) ptmpBitField->Comb(p->peer->bitfield); } } return ptmpBitField->Count(); } int PeerList::AlreadyRequested(size_t idx) const { PEERNODE *p; for( p = m_head; p; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer->request_q.IsEmpty()) continue; if( p->peer->request_q.HasIdx(idx) ) return 1; } return 0; } void PeerList::CheckBitField(BitField &bf) { PEERNODE *p; PSLICE ps; size_t idx; for( p = m_head; p ; p = p->next ){ if( !PEER_IS_SUCCESS(p->peer) || p->peer->request_q.IsEmpty()) continue; ps = p->peer->request_q.GetHead(); idx = BTCONTENT.GetNPieces(); for( ; ps; ps = ps->next ){ if( ps->index != idx ){ bf.UnSet(ps->index); idx = ps->index; } } } } void PeerList::PrintOut() const { PEERNODE *p = m_head; struct sockaddr_in sin; CONSOLE.Print("PEER LIST"); for( ; p ; p = p->next ){ if(PEER_IS_FAILED(p->peer)) continue; p->peer->dump(); } } void PeerList::AnyPeerReady(fd_set *rfdp, fd_set *wfdp, int *nready, fd_set *rfdnextp, fd_set *wfdnextp) { PEERNODE *p; btPeer *peer; SOCKET sk; int need_check_send = 0; if( FD_ISSET(m_listen_sock, rfdp) ){ (*nready)--; if( !Self.OntimeDL() && !Self.OntimeUL() ){ FD_CLR(m_listen_sock,rfdnextp); Accepter(); } } for( p = m_head; p && (*nready || need_check_send) ; p = p->next ){ if( PEER_IS_FAILED(p->peer) ) continue; peer = p->peer; sk = peer->stream.GetSocket(); if( P_SUCCESS == peer->GetStatus() ){ if( FD_ISSET(sk,rfdp) ){ (*nready)--; if( !Self.OntimeUL() ){ FD_CLR(sk,rfdnextp); if( peer->RecvModule() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: receive"); peer->CloseConnection(); } } } if( !Self.OntimeDL() && !Self.OntimeUL() && P_SUCCESS == peer->GetStatus() && peer->HealthCheck() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: unhealthy"); peer->CloseConnection(); } if( PEER_IS_FAILED(peer) ){ if( FD_ISSET(sk,wfdp) ) (*nready)--; FD_CLR(sk,wfdnextp); } } if( P_SUCCESS == peer->GetStatus() ){ if( FD_ISSET(sk,wfdp) ){ (*nready)--; if( !Self.OntimeDL() ){ FD_CLR(sk,wfdnextp); if( peer->SendModule() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: send"); peer->CloseConnection(); FD_CLR(sk,rfdnextp); } need_check_send = 1; } }else if( !Self.OntimeDL() ) need_check_send = (peer->CheckSendStatus() && need_check_send); } else if( P_HANDSHAKE == peer->GetStatus() ){ if( FD_ISSET(sk,rfdp) ){ (*nready)--; if( !Self.OntimeDL() && !Self.OntimeUL() ){ FD_CLR(sk,rfdnextp); if( peer->HandShake() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: bad handshake"); peer->CloseConnection(); FD_CLR(sk,wfdnextp); } } } if( FD_ISSET(sk,wfdp) ){ (*nready)--; if( !Self.OntimeDL() && !Self.OntimeUL() ){ FD_CLR(sk,wfdnextp); if( peer->SendModule() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: send handshake"); peer->CloseConnection(); FD_CLR(sk,rfdnextp); } } } } else if( P_CONNECTING == peer->GetStatus() ){ if( FD_ISSET(sk,wfdp) ){ (*nready)--; if( !Self.OntimeDL() && !Self.OntimeUL() ){ FD_CLR(sk,wfdnextp); if( peer->Send_ShakeInfo() < 0 ){ if(arg_verbose) CONSOLE.Debug("close: Sending handshake"); peer->CloseConnection(); FD_CLR(sk,rfdnextp); }else peer->SetStatus(P_HANDSHAKE); } if( FD_ISSET(sk,rfdp) ) (*nready)--; }else if( FD_ISSET(sk,rfdp) ){ // connect failed. (*nready)--; if( !Self.OntimeDL() && !Self.OntimeUL() ){ FD_CLR(sk,rfdnextp); if(arg_verbose) CONSOLE.Debug("close: connect failed"); peer->CloseConnection(); FD_CLR(sk,wfdnextp); } } } }// end for if( !m_ul_limited && !BandWidthLimitUp() ) m_missed_count++; } void PeerList::CloseAllConnectionToSeed() { PEERNODE *p = m_head; for( ; p; p = p->next ){ if( p->peer->bitfield.IsFull() || /* Drop peers who remain uninterested, but keep recent connections. Peers who connected recently will resolve by bitfield exchange. */ (PEER_IS_SUCCESS(p->peer) && !p->peer->Is_Remote_Interested() && BTCONTENT.GetSeedTime() - now >= 300 && !p->peer->ConnectedWhileSeed()) ){ p->peer->DontWantAgain(); if(arg_verbose) CONSOLE.Debug("close: seed<->seed"); p->peer->CloseConnection(); } else p->peer->stream.in_buffer.SetSize(BUF_DEF_SIZ); } } int PeerList::UnChokeCheck(btPeer* peer, btPeer *peer_array[]) { int i = 0; int cancel_idx = 0; btPeer *loster = (btPeer*) 0; int f_seed = BTCONTENT.Seeding(); int no_opt = 0; unsigned long rndbits; int r=0; int retval = 0; if(m_opt_timestamp) no_opt = 1; if(f_seed) no_opt = 1 - no_opt; // Find my 3 or 4 fastest peers. // The m_max_unchoke+1 (4th) slot is for the optimistic unchoke when it happens. // Find a slot for the candidate--the slowest peer, or an available slot. for( cancel_idx = i = 0; i < m_max_unchoke + no_opt; i++ ){ if((btPeer*) 0 == peer_array[i] || PEER_IS_FAILED(peer_array[i]) ){ // 有空位 cancel_idx = i; break; }else{ if(cancel_idx == i) continue; if(f_seed){ // compare time unchoked if( (!peer_array[i]->Is_Local_UnChoked() && (peer_array[cancel_idx]->Is_Local_UnChoked() || peer_array[cancel_idx]->GetLastUnchokeTime() < peer_array[i]->GetLastUnchokeTime())) || (peer_array[i]->Is_Local_UnChoked() && peer_array[cancel_idx]->Is_Local_UnChoked() && peer_array[i]->GetLastUnchokeTime() < peer_array[cancel_idx]->GetLastUnchokeTime()) ) cancel_idx = i; }else{ // compare download rate. if( peer_array[cancel_idx]->RateDL() > peer_array[i]->RateDL() //if equal, reciprocate to the peer we've sent less to, proportionally ||(peer_array[cancel_idx]->RateDL() == peer_array[i]->RateDL() && peer_array[cancel_idx]->TotalUL() / (peer_array[cancel_idx]->TotalDL()+.001) < peer_array[i]->TotalUL() / (peer_array[i]->TotalDL()+.001)) ) cancel_idx = i; } } } // end for if( (btPeer*) 0 != peer_array[cancel_idx] && PEER_IS_SUCCESS(peer_array[cancel_idx]) ){ if(f_seed){ if( (!peer_array[cancel_idx]->Is_Local_UnChoked() && (peer->Is_Local_UnChoked() || peer->GetLastUnchokeTime() < peer_array[cancel_idx]->GetLastUnchokeTime())) || (peer_array[cancel_idx]->Is_Local_UnChoked() && peer->Is_Local_UnChoked() && peer_array[cancel_idx]->GetLastUnchokeTime() < peer->GetLastUnchokeTime()) ){ loster = peer_array[cancel_idx]; peer_array[cancel_idx] = peer; }else loster = peer; }else{ if( peer->RateDL() > peer_array[cancel_idx]->RateDL() // If equal, reciprocate to the peer we've sent less to, proportionally ||(peer_array[cancel_idx]->RateDL() == peer->RateDL() && peer_array[cancel_idx]->TotalUL() / (peer_array[cancel_idx]->TotalDL()+.001) > peer->TotalUL() / (peer->TotalDL()+.001)) ){ loster = peer_array[cancel_idx]; peer_array[cancel_idx] = peer; }else loster = peer; } // opt unchoke if( no_opt ){ if( loster->SetLocal(M_CHOKE) < 0 ){ loster->CloseConnection(); if( peer==loster ) retval = -1; } } else // The last slot is for the optimistic unchoke. if( (btPeer*) 0 == peer_array[m_max_unchoke] || PEER_IS_FAILED(peer_array[m_max_unchoke]) ) peer_array[m_max_unchoke] = loster; else { if( !r-- ){ rndbits = random(); r = 15; } // if loser is empty and current is not, loser gets 75% chance. if( loster->IsEmpty() && !peer_array[m_max_unchoke]->IsEmpty() && (rndbits>>=2)&3 ){ btPeer* tmp = peer_array[m_max_unchoke]; peer_array[m_max_unchoke] = loster; loster = tmp; } else // This mess chooses the loser: // if loser is choked and current is not // OR if both are choked and loser has waited longer // OR if both are unchoked and loser has had less time unchoked. if( (!loster->Is_Local_UnChoked() && ( peer_array[m_max_unchoke]->Is_Local_UnChoked() || loster->GetLastUnchokeTime() < peer_array[m_max_unchoke]->GetLastUnchokeTime() )) || (loster->Is_Local_UnChoked() && peer_array[m_max_unchoke]->Is_Local_UnChoked() && peer_array[m_max_unchoke]->GetLastUnchokeTime() < loster->GetLastUnchokeTime()) ){ // if current is empty and loser is not, loser gets 25% chance; // else loser wins. // transformed to: if loser is empty or current isn't, or 25% chance, // then loser wins. if( !peer_array[m_max_unchoke]->IsEmpty() || loster->IsEmpty() || !((rndbits>>=2)&3) ){ btPeer* tmp = peer_array[m_max_unchoke]; peer_array[m_max_unchoke] = loster; loster = tmp; } } if(loster->SetLocal(M_CHOKE) < 0){ loster->CloseConnection(); if( peer==loster ) retval = -1; } } }else //else if((btPeer*) 0 != peer_array[cancel_idx]..... peer_array[cancel_idx] = peer; return retval; } // When we change what we're going after, we need to evaluate & set our // interest with each peer appropriately. void PeerList::CheckInterest() { PEERNODE *p = m_head; for( ; p; p = p->next ){ // Don't shortcut by checking Is_Local_Interested(), as we need to let // SetLocal() reset the m_standby flag. if( p->peer->Need_Remote_Data() ){ if( p->peer->SetLocal(M_INTERESTED) < 0 ) p->peer->CloseConnection(); }else{ if( p->peer->SetLocal(M_NOT_INTERESTED) < 0 ) p->peer->CloseConnection(); } } } btPeer* PeerList::GetNextPeer(btPeer *peer) const { static PEERNODE *p = m_head; if( !peer ) p = m_head; else if( p && p->peer == peer ){ p = p->next; }else{ for( p=m_head; p && (p->peer != peer); p = p->next ); if(p) p = p->next; else p = m_head; } for( ; p; p = p->next ) if( p->peer && PEER_IS_SUCCESS(p->peer) ) break; if(p) return p->peer; else return (btPeer*) 0; } int PeerList::Endgame() { BitField tmpBitfield; int endgame = 0; tmpBitfield = *BTCONTENT.pBF; tmpBitfield.Invert(); // what I don't have... tmpBitfield.Except(BTCONTENT.GetFilter()); // ...that I want if( tmpBitfield.Count() > 0 && tmpBitfield.Count() < m_peers_count - m_conn_count ) endgame = 1; else{ Pieces_I_Can_Get(&tmpBitfield); // what's available... tmpBitfield.Except(BTCONTENT.GetFilter()); // ...that I want... tmpBitfield.Except(*BTCONTENT.pBF); // ...that I don't have if( tmpBitfield.Count() > 0 && tmpBitfield.Count() < m_peers_count - m_conn_count) endgame = 1; } if( endgame && !m_endgame ){ if(arg_verbose) CONSOLE.Debug("Endgame (dup request) mode"); UnStandby(); }else if( !endgame && m_endgame ){ if(arg_verbose) CONSOLE.Debug("Normal (non dup request) mode"); RecalcDupReqs(); // failsafe } m_endgame = endgame; return endgame; } void PeerList::UnStandby() { PEERNODE *p = m_head; for( ; p; p = p->next ){ if( PEER_IS_SUCCESS(p->peer) ) p->peer->UnStandby(); } } void PeerList::Pause() { PEERNODE *p = m_head; m_f_pause = 1; StopDownload(); for( ; p; p = p->next ){ if( p->peer->Is_Local_UnChoked() && p->peer->SetLocal(M_CHOKE) < 0 ) p->peer->CloseConnection(); } } void PeerList::Resume() { m_f_pause = 0; CheckInterest(); } void PeerList::StopDownload() { PEERNODE *p = m_head; for( ; p; p = p->next ){ if( p->peer->SetLocal(M_NOT_INTERESTED) < 0 ){ p->peer->CloseConnection(); }else p->peer->PutPending(); } } size_t PeerList::GetUnchoked() const { PEERNODE *p; size_t count = 0; for( p = m_head; p; p = p->next ){ if( PEER_IS_SUCCESS(p->peer) && p->peer->Is_Local_UnChoked() ){ count++; if( count > m_max_unchoke ) break; } } return count; } // This function returns 0 if it could not find an upload faster than the // minimum and all peer upload rates are known (not zero). size_t PeerList::GetSlowestUp(size_t minimum) const { PEERNODE *p; size_t slowest = 0, zero = 0, unchoked = 0, rate; for( p = m_head; p; p = p->next ){ if( PEER_IS_SUCCESS(p->peer) && p->peer->Is_Local_UnChoked() ){ unchoked++; rate = p->peer->RateUL(); if( 0==rate ) zero = 1; else if( rate >= minimum && (rate < slowest || 0==slowest) ) slowest = rate; } } if( slowest > (rate = Self.RateUL()) ) slowest = rate; // We're looking for slow, so guess low when we must guess a rate. if( slowest ){ if( zero ) return minimum ? minimum : ((slowest+1)/2); else return slowest; }else{ if( 0==unchoked ) unchoked = 1; // safeguard if( zero ) return minimum ? minimum : ((rate = Self.RateUL()) ? rate / unchoked : 1); else return 0; } } int PeerList::BandWidthLimitUp(double when) { return BandWidthLimitUp(when, cfg_max_bandwidth_up); } int PeerList::BandWidthLimitUp(double when, int limit) { int limited = 0; double nexttime; if( limit <= 0 ) return 0; nexttime = Self.LastSendTime() + (double)(Self.LastSizeSent()) / limit; if( nexttime >= now + 1 + when ) limited = 1; else if( nexttime < now + when ) limited = 0; else{ struct timespec nowspec; double rightnow; clock_gettime(CLOCK_REALTIME, &nowspec); rightnow = nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000; if( nexttime <= rightnow + when ) limited = 0; else limited = 1; } if( limited ) m_f_ulate = 1; return limited; } int PeerList::BandWidthLimitDown(double when) { return BandWidthLimitDown(when, cfg_max_bandwidth_down); } int PeerList::BandWidthLimitDown(double when, int limit) { int limited = 0; double nexttime; // Don't check SeedOnly() here--need to let the input stream drain. if( limit <= 0 ) return 0; nexttime = Self.LastRecvTime() + (double)(Self.LastSizeRecv()) / limit; if( nexttime >= now + 1 + when ) limited = 1; else if( nexttime < now + when ) limited = 0; else{ struct timespec nowspec; double rightnow; clock_gettime(CLOCK_REALTIME, &nowspec); rightnow = nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000; if( nexttime <= rightnow + when ) limited = 0; else limited = 1; } if( limited ) m_f_dlate = 1; return limited; } int PeerList::IsIdle() { int idle = 0, dlate = 0, ulate = 0, slow = 0; if( ( (cfg_max_bandwidth_down > 0 && (dlate = (now > (time_t)(Self.LastRecvTime() + Self.LateDL() + Self.LastSizeRecv() / (double)cfg_max_bandwidth_down)))) || 0==Self.RateDL() || ((0==cfg_max_bandwidth_down || (slow = (Self.RateDL() < cfg_max_bandwidth_down / 2))) && BandWidthLimitDown(Self.LateDL(), (int)Self.RateDL() * 2)) || (!slow && BandWidthLimitDown(Self.LateDL())) ) && !(dlate && m_f_dlate) && ( (cfg_max_bandwidth_up > 0 && (ulate = (now > (time_t)(Self.LastSendTime() + Self.LateUL() + Self.LastSizeSent() / (double)cfg_max_bandwidth_up)))) || 0==Self.RateUL() || (slow = 0) || // re-initialization ((0==cfg_max_bandwidth_up || (slow = (Self.RateUL() < cfg_max_bandwidth_up / 2))) && BandWidthLimitUp(Self.LateUL(), (int)Self.RateUL() * 2)) || (!slow && BandWidthLimitUp(Self.LateUL())) ) ){ idle = 1; } if( !dlate ) m_f_dlate = 1; else if( m_f_dlate ) idle = 0; if( !ulate ) m_f_ulate = 1; else if( m_f_ulate ) idle = 0; return idle; } // How long must we wait for bandwidth to become available in either direction? double PeerList::WaitBW() const { struct timespec nowspec; double rightnow, late; double maxwait = 0, nextwake = 0; double nextup = 0, nextdn = 0; int use_up = 0, use_dn = 0; if( cfg_max_bandwidth_up ){ nextup = Self.LastSendTime() + (double)(Self.LastSizeSent()) / cfg_max_bandwidth_up; } if( cfg_max_bandwidth_down ){ nextdn = Self.LastRecvTime() + (double)(Self.LastSizeRecv()) / cfg_max_bandwidth_down; } // could optimize away the clock call when maxwait will be > MAX_SLEEP if( now <= (time_t)nextup || now <= (time_t)nextdn ){ clock_gettime(CLOCK_REALTIME, &nowspec); rightnow = nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000; }else rightnow = (double)now; if( nextup >= rightnow ){ if( nextdn < rightnow ) use_up = 1; else if( nextdn < nextup ) use_dn = 1; else use_up = 1; }else if( nextdn >= rightnow ) use_dn = 1; if( use_up ){ nextwake = nextup; late = Self.LateUL(); }else if( use_dn ){ nextwake = nextdn; late = Self.LateDL(); }else{ nextwake = late = 0; } if( (m_f_limitd && nextdn <= rightnow + Self.LateDL()) || (m_f_limitu && nextup <= rightnow + Self.LateUL()) ){ // socket setup is outdated; send a problem indicator value back Self.OntimeUL(0); Self.OntimeDL(0); maxwait = -100; }else if( nextwake > rightnow ){ maxwait = nextwake - rightnow - late; if( maxwait < 0 ){ use_up = use_dn = 0; } Self.OntimeUL(use_up); Self.OntimeDL(use_dn); // CONSOLE.Debug("waitbw %f at %f", maxwait, rightnow); }else{ Self.OntimeUL(0); Self.OntimeDL(0); // CONSOLE.Debug("nextwake %f at %f", nextwake, rightnow); } return maxwait; } void PeerList::UnchokeIfFree(btPeer *peer) { PEERNODE *p; size_t count = 0; if( m_f_pause ) return; for( p = m_head; p; p = p->next ){ if( PEER_IS_SUCCESS(p->peer) && p->peer->Is_Local_UnChoked() && p->peer->Is_Remote_Interested() ){ count++; if( m_max_unchoke < count ) return; } } if( peer->SetLocal(M_UNCHOKE) < 0 ) peer->CloseConnection(); } void PeerList::AdjustPeersCount() { Tracker.AdjustPeersCount(); } ctorrent-1.3.4.dnh3.3.2/peerlist.h0000644000000000000000000000716411227344303016664 0ustar00usergroup00000000000000#ifndef PEERLIST_H #define PEERLIST_H #include "./def.h" #include #include #include "./peer.h" #include "./rate.h" typedef struct _peernode{ btPeer *peer; struct _peernode *next; }PEERNODE; class PeerList { private: SOCKET m_listen_sock; PEERNODE *m_head, *m_dead; size_t m_peers_count, m_seeds_count, m_conn_count, m_downloads; size_t m_max_unchoke; time_t m_unchoke_check_timestamp, m_keepalive_check_timestamp, m_last_progress_timestamp, m_opt_timestamp, m_interval_timestamp; time_t m_unchoke_interval, m_opt_interval; size_t m_defer_count, m_missed_count, m_upload_count, m_up_opt_count; size_t m_dup_req_pieces; int m_prev_limit_up; char m_listen[22]; unsigned char m_ul_limited:1; unsigned char m_f_pause:1; unsigned char m_f_limitd:1; unsigned char m_f_limitu:1; unsigned char m_f_dlate:1; unsigned char m_f_ulate:1; unsigned char m_endgame:1; unsigned char m_reserved:1; int Accepter(); int UnChokeCheck(btPeer* peer,btPeer *peer_array[]); int FillFDSet(fd_set *rfd, fd_set *wfd, int f_keepalive_check, int f_unchoke_check, btPeer **UNCHOKER); public: PeerList(); ~PeerList(); // TotalPeers() is now GetPeersCount() for consistency int Initial_ListenPort(); const char *GetListen() const { return m_listen; } int IsEmpty() const { return m_peers_count ? 0 : 1; } void PrintOut() const; int NewPeer(struct sockaddr_in addr, SOCKET sk); void CloseAllConnectionToSeed(); void CloseAll(); int IntervalCheck(fd_set *rfd, fd_set *wfd); void SetUnchokeIntervals(); void AnyPeerReady(fd_set *rfdp, fd_set *wfdp, int *nready, fd_set *rfdnextp, fd_set *wfdnextp); int BandWidthLimitUp() { return BandWidthLimitUp(0); } int BandWidthLimitUp(double when); int BandWidthLimitUp(double when, int limit); int BandWidthLimitDown() { return BandWidthLimitDown(0); } int BandWidthLimitDown(double when); int BandWidthLimitDown(double when, int limit); double WaitBW() const; void DontWaitBW() { Self.OntimeUL(0); Self.OntimeDL(0); } void Tell_World_I_Have(size_t idx); btPeer* Who_Can_Abandon(btPeer *proposer); size_t What_Can_Duplicate(BitField &bf, const btPeer *proposer, size_t idx); void FindValuedPieces(BitField &bf, const btPeer *proposer, int initial) const; btPeer *WhoHas(size_t idx) const; int HasSlice(size_t idx, size_t off, size_t len) const; void CompareRequest(btPeer *proposer, size_t idx); int CancelSlice(size_t idx, size_t off, size_t len); int CancelPiece(size_t idx); void CancelOneRequest(size_t idx); void CheckBitField(BitField &bf); int AlreadyRequested(size_t idx) const; size_t Pieces_I_Can_Get() const; size_t Pieces_I_Can_Get(BitField *ptmpBitField) const; void CheckInterest(); btPeer* GetNextPeer(btPeer *peer) const; int Endgame(); void UnStandby(); size_t GetDupReqs() const { return m_dup_req_pieces; } void RecalcDupReqs(); size_t GetSeedsCount() const { return m_seeds_count; } size_t GetPeersCount() const { return m_peers_count; } size_t GetConnCount() const { return m_conn_count; } void AdjustPeersCount(); // passthrough to tracker function size_t GetUnchoked() const; size_t GetSlowestUp(size_t minimum) const; size_t GetDownloads() const { return m_downloads; } size_t GetUnchokeInterval() const { return m_unchoke_interval; } void Defer() { m_defer_count++; } void Upload() { m_upload_count++; } int IsIdle(); void UnLate() { m_f_dlate = m_f_ulate = 0; } void Pause(); void Resume(); int IsPaused() const { return m_f_pause ? 1 : 0; } void StopDownload(); void UnchokeIfFree(btPeer *peer); }; extern PeerList WORLD; #endif ctorrent-1.3.4.dnh3.3.2/rate.cpp0000644000000000000000000002123411227344303016315 0ustar00usergroup00000000000000#include "rate.h" // def.h #include #include "btconfig.h" #include "bufio.h" // for BUF_DEF_SIZ #include "bttime.h" #include "console.h" #ifndef HAVE_CLOCK_GETTIME #include "compat.h" #endif #define RATE_INTERVAL 20 #define SHORT_INTERVAL 5 Rate::Rate() { m_last_timestamp = m_total_timeused = m_nom_time = (time_t)0; m_count_bytes = 0; m_history = m_history_last = (BWSAMPLE *)0; m_last_realtime = m_recent_realtime = m_prev_realtime = 0; m_last_size = m_recent_size = m_prev_size = 0; m_selfrate = (Rate *)0; m_late = 0; m_ontime = m_update_nominal = 0; m_lastrate.lasttime = (time_t)0; m_nominal = DEFAULT_SLICE_SIZE / 8; // minimum "acceptable" rate } void Rate::Reset() { m_last_timestamp = m_total_timeused = (time_t)0; ClearHistory(); m_last_realtime = 0; m_last_size = 0; } void Rate::StartTimer() { if( !m_last_timestamp ) m_last_timestamp = now; } void Rate::StopTimer() { if( m_last_timestamp ){ m_total_timeused += (now - m_last_timestamp); if( m_history ){ if( m_history == m_history_last ) m_nominal = (size_t)(m_history->bytes / (m_history->timestamp - m_last_timestamp)); else (void)RateMeasure(); // updates nominal } m_last_timestamp = 0; ClearHistory(); } m_update_nominal = 0; } BWSAMPLE *Rate::NewSample() { BWSAMPLE *sample = new BWSAMPLE; if( sample ){ sample->timestamp = 0; sample->bytes = 0; sample->next = (BWSAMPLE *)0; }else CONSOLE.Warning(2, "warn, failed to allocate memory for bandwidth sample."); return sample; } void Rate::ClearHistory() { if( m_history ){ BWSAMPLE *pnext; for( BWSAMPLE *p=m_history; p; p=pnext ){ pnext = p->next; delete p; } m_history = m_history_last = (BWSAMPLE *)0; } } void Rate::Cleanup() { BWSAMPLE *p = m_history; while( p && RATE_INTERVAL <= now - (time_t)(p->timestamp) ){ int nzero = 0; if( !p->next ){ if( BWSAMPLE *q = NewSample() ){ q->timestamp = (double)now - 1; p->next = q; m_history_last = q; nzero++; }else{ p->bytes = p->bytes * RATE_INTERVAL / (now - (time_t)(p->timestamp)); p->timestamp = (double)(now - RATE_INTERVAL + 1); } } if( p->next ){ if( RATE_INTERVAL > now - (time_t)(p->next->timestamp) ){ time_t reftime = nzero ? now : (time_t)(p->next->timestamp); while( (time_t)(p->next->timestamp) > (time_t)(p->timestamp) + 1 ){ // fill holes if( BWSAMPLE *q = NewSample() ){ q->timestamp = (double)((time_t)(p->next->timestamp) - 1); q->next = p->next; p->next = q; nzero++; }else break; } if( nzero ){ size_t bytes = (size_t)( p->bytes / (reftime - p->timestamp) ); BWSAMPLE *q = p->next; for( ; nzero; nzero-- ){ q->bytes += bytes; // distribute over the following empty samples q = q->next; } } } m_history = p->next; delete p; p = m_history; } } } void Rate::CountAdd(size_t nbytes) { m_count_bytes += nbytes; if( m_selfrate ) m_selfrate->CountAdd(nbytes); } void Rate::UnCount(size_t nbytes) { m_count_bytes -= nbytes; if( m_selfrate ) m_selfrate->UnCount(nbytes); } void Rate::RateAdd(size_t nbytes, size_t bwlimit) { struct timespec nowspec; clock_gettime(CLOCK_REALTIME, &nowspec); RateAdd(nbytes, bwlimit, nowspec.tv_sec + (double)(nowspec.tv_nsec)/1000000000); } void Rate::RateAdd(size_t nbytes, size_t bwlimit, double timestamp) { int update_nominal = 0; if( m_history_last && timestamp < m_history_last->timestamp ){ // time went backward ClearHistory(); }else Cleanup(); if( timestamp <= m_last_realtime ){ // time went backward m_ontime = 0; m_last_size = 0; m_last_realtime = 0; } if( m_history_last && (time_t)timestamp == (time_t)(m_history_last->timestamp) ) m_history_last->bytes += nbytes; else{ if( BWSAMPLE *p = NewSample() ){ p->timestamp = timestamp; p->bytes = nbytes; if( m_history_last ){ m_history_last->next = p; update_nominal = 1; } else m_history = p; m_history_last = p; } } if( !m_selfrate && m_ontime ){ double late=timestamp - (m_last_realtime + (double)m_last_size / bwlimit); // double tmplate = late; // keep the change under control in case the system gets weird on us if( late < 0 ) late /= 2; else if( m_late && late > m_late ) late = m_late / 2; m_late += late; // CONSOLE.Debug("%p late %f->%f: %f", this, tmplate, late, m_late); m_ontime = 0; } if( m_selfrate && bwlimit && m_last_realtime && m_selfrate->LastSize() / (timestamp - m_selfrate->LastRealtime()) > bwlimit ) m_last_size += nbytes; else if( !m_selfrate && bwlimit && m_last_realtime && m_last_size / (timestamp - m_last_realtime) > bwlimit ) m_last_size += nbytes; else{ m_last_realtime = timestamp; m_last_size = nbytes; } if( nbytes > BUF_DEF_SIZ ){ m_prev_realtime = m_recent_realtime; m_prev_size = m_recent_size; m_recent_realtime = timestamp; m_recent_size = nbytes; }else m_recent_size += nbytes; if( m_selfrate ){ if( update_nominal ){ m_update_nominal = 1; (void)RateMeasure(); // updates nominal } m_selfrate->RateAdd(nbytes, bwlimit, timestamp); } //if(!m_selfrate) CONSOLE.Debug("%p RateAdd %u @ %f next=%f", this, // nbytes, timestamp, m_last_realtime + (double)m_last_size / bwlimit); } void Rate::operator=(const Rate &ra) { m_last_timestamp = now; m_count_bytes = ra.m_count_bytes; } size_t Rate::CurrentRate() { // We can't make up for past slowness by overloading the line now/future. // Look at only the most recent data sent/received. if( !m_last_timestamp || !m_history ) return 0; // no current rate struct timespec timestamp; clock_gettime(CLOCK_REALTIME, ×tamp); double timeused = timestamp.tv_sec + (double)(timestamp.tv_nsec)/1000000000 - m_last_realtime; if( timeused <= 0 ) return 0; return (size_t)( m_last_size / timeused ); } size_t Rate::NominalRate() { if( !m_history && m_last_timestamp && TimeUsed() > 10 ){ // sent a request over 10 sec ago but have received nothing if( !m_nom_time || now >= m_nom_time + 10 ){ m_nominal /= 10; m_nom_time = now; } } return m_nominal; } size_t Rate::RateMeasure() { // calculate rate based on bandwidth history data time_t timestamp = now; unsigned long countbytes = 0; double timeused = 0; BWSAMPLE *p; if( m_history && now == m_lastrate.lasttime && m_recent_realtime == m_lastrate.recent ){ if( m_update_nominal ) m_nominal = m_lastrate.value; return m_lastrate.value; } m_lastrate.lasttime = now; if( !m_last_timestamp || !m_history ){ m_lastrate.value = 0; return 0; // no current rate } Cleanup(); for( p=m_history; p; p=p->next ){ countbytes += p->bytes; } timeused = (double)(now - (time_t)(m_history->timestamp)); if( timeused == 0 ) timeused = 1; else if( timeused < 0 ) ClearHistory(); // time went backward else m_update_nominal = 1; if( now < (time_t)m_recent_realtime ){ if( m_history ){ m_recent_realtime = (double)now; m_prev_realtime = (double)(now - 1); m_recent_size = m_prev_size = 0; }else{ m_recent_realtime = m_prev_realtime = 0; m_recent_size = m_prev_size = 0; } } if( !m_history ){ m_lastrate.value = 0; return 0; } // Don't let the most recent addition inflate the rate measurement. if( now == (time_t)m_recent_realtime ){ // don't count the most recent addition countbytes -= m_recent_size; timeused = m_recent_realtime - m_history->timestamp; }else if( m_recent_realtime && RATE_INTERVAL > now - (time_t)m_recent_realtime && m_recent_size / (now - (time_t)m_recent_realtime) > m_prev_size / (m_recent_realtime - m_prev_realtime) ){ // "tone down" the most recent to match the previous addition's rate countbytes -= m_recent_size; countbytes += (unsigned long)( m_prev_size / (m_recent_realtime - m_prev_realtime) * (now - (time_t)m_recent_realtime) ); } m_lastrate.value = (size_t)(countbytes / timeused); m_lastrate.recent = m_recent_realtime; if( m_update_nominal ) m_nominal = m_lastrate.value; return m_lastrate.value; } size_t Rate::RateMeasure(const Rate &ra_to) { time_t timeused = TimeUsed(); int tmp = ra_to.m_count_bytes - m_count_bytes; return (size_t)( (tmp>0) ? (tmp/(timeused ? timeused : 1)) : 0 ); } time_t Rate::TimeUsed() { if( now < m_last_timestamp ) m_last_timestamp = now; return now - m_last_timestamp; } ctorrent-1.3.4.dnh3.3.2/rate.h0000644000000000000000000000334211227344303015762 0ustar00usergroup00000000000000#ifndef RATE_H #define RATE_H #include "def.h" #include #include #include typedef struct _bwsample{ double timestamp; unsigned long bytes; struct _bwsample *next; }BWSAMPLE; class Rate{ private: time_t m_last_timestamp; time_t m_total_timeused; uint64_t m_count_bytes; // m_last: tracks recent xfer(s) for timing & limit comparison // m_recent: the most recent measurable xfer // m_prev: the prior m_recent double m_last_realtime, m_recent_realtime, m_prev_realtime; size_t m_last_size, m_recent_size, m_prev_size; double m_late; size_t m_nominal; time_t m_nom_time; struct{ size_t value; time_t lasttime; double recent; } m_lastrate; unsigned char m_ontime:1; unsigned char m_update_nominal:1; unsigned char m_reserved:6; BWSAMPLE *m_history, *m_history_last; // bandwidth history data Rate *m_selfrate; static BWSAMPLE *NewSample(); public: Rate(); void Reset(); void StartTimer(); void StopTimer(); void ClearHistory(); void Cleanup(); void CountAdd(size_t nbytes); void UnCount(size_t nbytes); void RateAdd(size_t nbytes, size_t bwlimit); void RateAdd(size_t nbytes, size_t bwlimit, double timestamp); void operator=(const Rate &ra); uint64_t Count() const { return m_count_bytes; } size_t CurrentRate(); size_t NominalRate(); size_t RateMeasure(); size_t RateMeasure(const Rate &ra); time_t TimeUsed(); double LastRealtime() const { return m_last_realtime; } size_t LastSize() const { return m_last_size; } void SetSelf(Rate *rate) { m_selfrate = rate; } double Late() const { return m_late; } int Ontime() const { return m_ontime ? 1 : 0; } void Ontime(int yn) { m_ontime = yn ? 1 : 0; } }; #endif ctorrent-1.3.4.dnh3.3.2/setnonblock.cpp0000644000000000000000000000060011227344303017675 0ustar00usergroup00000000000000#include "./setnonblock.h" #ifdef WINDOWS int setfd_nonblock(SOCKET socket) { unsigned long val = 1; return ioctl(socket,FIONBIO,&val); } #else #include #include int setfd_nonblock(SOCKET socket) { int f_old; f_old = fcntl(socket,F_GETFL,0); if( f_old < 0 ) return -1; f_old |= O_NONBLOCK; return (fcntl(socket,F_SETFL,f_old)); } #endif ctorrent-1.3.4.dnh3.3.2/setnonblock.h0000644000000000000000000000054311227344303017350 0ustar00usergroup00000000000000#ifndef SETNONBLOCK_H #define SETNONBLOCK_H #include "./def.h" #include #ifdef WINDOWS #include #else #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #endif int setfd_nonblock(SOCKET socket); #endif ctorrent-1.3.4.dnh3.3.2/sha1.c0000644000000000000000000002003411227344303015653 0ustar00usergroup00000000000000/* SHA-1 in C By Steve Reid 100% Public Domain ----------------- Modified 7/98 By James H. Brown Still 100% Public Domain Corrected a problem which generated improper hash values on 16 bit machines Routine SHA1Update changed from void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len) to void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned long len) The 'len' parameter was declared an int which works fine on 32 bit machines. However, on 16 bit machines an int is too small for the shifts being done against it. This caused the hash function to generate incorrect values if len was greater than 8191 (8K - 1) due to the 'len << 3' on line 3 of SHA1Update(). Since the file IO in main() reads 16K at a time, any file 8K or larger would be guaranteed to generate the wrong hash (e.g. Test Vector #3, a million "a"s). I also changed the declaration of variables i & j in SHA1Update to unsigned long from unsigned int for the same reason. These changes should make no difference to any 32 bit implementations since an int and a long are the same size in those environments. -- I also corrected a few compiler warnings generated by Borland C. 1. Added #include for exit() prototype 2. Removed unused variable 'j' in SHA1Final 3. Changed exit(0) to return(0) at end of main. ALL changes I made can be located by searching for comments containing 'JHB' ----------------- Modified 8/98 By Steve Reid Still 100% public domain 1- Removed #include and used return() instead of exit() 2- Fixed overwriting of finalcount in SHA1Final() (discovered by Chris Hall) 3- Changed email address from steve@edmweb.com to sreid@sea-to-sky.net ----------------- Modified 4/01 By Saul Kravitz Still 100% PD Modified to run on Compaq Alpha hardware. */ /* Test Vectors (from FIPS PUB 180-1) "abc" A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 A million repetitions of "a" 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F */ #include "config.h" /* #define SHA1HANDSOFF * Copies data before messing with it. */ #define SHA1HANDSOFF #ifdef VERBOSE #include #endif #include #include "sha1.h" /* Use result of AC_C_BIGENDIAN autoconf test. */ #ifndef WORDS_BIGENDIAN #define SHA1_LITTLE_ENDIAN 1 #endif #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) /* blk0() and blk() perform the initial expand. */ /* I got the idea of expanding during the round function from SSLeay */ #ifdef SHA1_LITTLE_ENDIAN #define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \ |(rol(block->l[i],8)&0x00FF00FF)) #else #define blk0(i) block->l[i] #endif #define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \ ^block->l[(i+2)&15]^block->l[i&15],1)) /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ #define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); #define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); #define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); #define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); #define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); #ifdef VERBOSE /* SAK */ void SHAPrintContext(SHA1_CTX *context, char *msg){ printf("%s (%d,%d) %x %x %x %x %x\n", msg, context->count[0], context->count[1], context->state[0], context->state[1], context->state[2], context->state[3], context->state[4]); } #endif /* Hash a single 512-bit block. This is the core of the algorithm. */ void SHA1Transform(uint32_t state[5], unsigned char buffer[64]) { uint32_t a, b, c, d, e; typedef union { unsigned char c[64]; uint32_t l[16]; } CHAR64LONG16; CHAR64LONG16* block; #ifdef SHA1HANDSOFF static unsigned char workspace[64]; block = (CHAR64LONG16*)workspace; memcpy(block, buffer, 64); #else block = (CHAR64LONG16*)buffer; #endif /* Copy context->state[] to working vars */ a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; /* 4 rounds of 20 operations each. Loop unrolled. */ R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); /* Add the working vars back into context.state[] */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e; /* Wipe variables */ a = b = c = d = e = 0; } /* SHA1Init - Initialize new context */ void SHA1Init(SHA1_CTX* context) { /* SHA1 initialization constants */ context->state[0] = 0x67452301; context->state[1] = 0xEFCDAB89; context->state[2] = 0x98BADCFE; context->state[3] = 0x10325476; context->state[4] = 0xC3D2E1F0; context->count[0] = context->count[1] = 0; } /* Run your data through this. */ void SHA1Update(SHA1_CTX* context, unsigned char* data, uint32_t len) /* JHB */ { uint32_t i, j; /* JHB */ #ifdef VERBOSE SHAPrintContext(context, "before"); #endif j = (context->count[0] >> 3) & 63; if ((context->count[0] += len << 3) < (len << 3)) context->count[1]++; context->count[1] += (len >> 29); if ((j + len) > 63) { memcpy(&context->buffer[j], data, (i = 64-j)); SHA1Transform(context->state, context->buffer); for ( ; i + 63 < len; i += 64) { SHA1Transform(context->state, &data[i]); } j = 0; } else i = 0; memcpy(&context->buffer[j], &data[i], len - i); #ifdef VERBOSE SHAPrintContext(context, "after "); #endif } /* Add padding and return the message digest. */ void SHA1Final(unsigned char digest[20], SHA1_CTX* context) { uint32_t i; /* JHB */ unsigned char finalcount[8]; for (i = 0; i < 8; i++) { finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)] >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */ } SHA1Update(context, (unsigned char *)"\200", 1); while ((context->count[0] & 504) != 448) { SHA1Update(context, (unsigned char *)"\0", 1); } SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */ for (i = 0; i < 20; i++) { digest[i] = (unsigned char) ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255); } /* Wipe variables */ i = 0; /* JHB */ memset(context->buffer, 0, 64); memset(context->state, 0, 20); memset(context->count, 0, 8); memset(finalcount, 0, 8); /* SWR */ #ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */ SHA1Transform(context->state, context->buffer); #endif } ctorrent-1.3.4.dnh3.3.2/sha1.h0000644000000000000000000000131211227344303015656 0ustar00usergroup00000000000000#ifndef SHA1_H #define SHA1_H /* SHA-1 in C By Steve Reid 100% Public Domain ----------------- 23 Apr 2001 version from http://sea-to-sky.net/~sreid/ Modified slightly to take advantage of autoconf. See sha1.c for full history comments. */ #ifdef __cplusplus extern "C" { #endif #include typedef struct { uint32_t state[5]; uint32_t count[2]; unsigned char buffer[64]; } SHA1_CTX; void SHA1Transform(uint32_t state[5], unsigned char buffer[64]); void SHA1Init(SHA1_CTX* context); void SHA1Update(SHA1_CTX* context, unsigned char* data, uint32_t len); /* JHB */ void SHA1Final(unsigned char digest[20], SHA1_CTX* context); #ifdef __cplusplus } #endif #endif ctorrent-1.3.4.dnh3.3.2/sigint.cpp0000644000000000000000000000244111227344303016656 0ustar00usergroup00000000000000#ifndef WINDOWS #include "sigint.h" // def.h #include #include #include "btcontent.h" #include "tracker.h" #include "peerlist.h" #include "btconfig.h" #include "console.h" extern "C" { RETSIGTYPE sig_catch(int sig_no) { if(SIGINT == sig_no || SIGTERM == sig_no){ Tracker.ClearRestart(); Tracker.SetStoped(); signal(sig_no,sig_catch2); } } static RETSIGTYPE sig_catch2(int sig_no) { if(SIGINT == sig_no || SIGTERM == sig_no){ if( cfg_cache_size ) BTCONTENT.FlushCache(); BTCONTENT.SaveBitfield(); WORLD.CloseAll(); signal(sig_no,SIG_DFL); raise(sig_no); } } // Handler for other signals RETSIGTYPE signals(int sig_no) { return CONSOLE.Signal(sig_no); } } // extern "C" #endif void sig_setup() { #ifndef WINDOWS signal(SIGPIPE,SIG_IGN); signal(SIGINT,sig_catch); signal(SIGTERM,sig_catch); // Don't let printf restart a write after SIGTTOU, we will hard-loop! struct sigaction handler; handler.sa_handler = signals; sigemptyset(&(handler.sa_mask)); handler.sa_flags = 0; // SA_RESTART is not set sigaction(SIGTTOU, &handler, (struct sigaction *)0); // Likewise with input after SIGTTIN sigaction(SIGTTIN, &handler, (struct sigaction *)0); signal(SIGCONT,signals); signal(SIGTSTP,signals); #endif } ctorrent-1.3.4.dnh3.3.2/sigint.h0000644000000000000000000000036211227344303016323 0ustar00usergroup00000000000000#ifndef SIGINT_H #define SIGINT_H #include "def.h" #ifndef WINDOWS extern "C" { RETSIGTYPE sig_catch(int sig_no); static RETSIGTYPE sig_catch2(int sig_no); RETSIGTYPE signals(int sig_no); } // extern "C" #endif void sig_setup(); #endif ctorrent-1.3.4.dnh3.3.2/stamp-h.in0000644000000000000000000000001211227344303016546 0ustar00usergroup00000000000000timestamp ctorrent-1.3.4.dnh3.3.2/tracker.cpp0000644000000000000000000004452611227344303017026 0ustar00usergroup00000000000000#include "tracker.h" #include #include #include #include #include "peerlist.h" #include "peer.h" #include "httpencode.h" #include "bencode.h" #include "setnonblock.h" #include "connect_nonb.h" #include "btcontent.h" #include "iplist.h" #include "btconfig.h" #include "ctcs.h" #include "console.h" #include "bttime.h" #if !defined(HAVE_SNPRINTF) || !defined(HAVE_RANDOM) #include "compat.h" #endif btTracker Tracker; btTracker::btTracker() { memset(m_host,0,MAXHOSTNAMELEN); memset(m_path,0,MAXPATHLEN); memset(m_trackerid,0,PEER_ID_LEN+1); m_sock = INVALID_SOCKET; m_port = 80; m_status = T_FREE; m_f_started = m_f_stoped = m_f_completed = m_f_restart = 0; m_interval = 15; m_peers_count = m_seeds_count = 0; m_connect_refuse_click = 0; m_last_timestamp = (time_t) 0; m_prevpeers = 0; m_report_time = (time_t) 0; m_report_dl = m_report_ul = m_totaldl = m_totalul = 0; } btTracker::~btTracker() { if( m_sock != INVALID_SOCKET) CLOSE_SOCKET(m_sock); } void btTracker::Reset(time_t new_interval) { if(new_interval) m_interval = new_interval; if( INVALID_SOCKET != m_sock ){ if(arg_verbose && T_READY==m_status) CONSOLE.Debug("Disconnected from tracker"); CLOSE_SOCKET(m_sock); m_sock = INVALID_SOCKET; } m_request_buffer.Reset(); m_reponse_buffer.Reset(); if( now < m_last_timestamp ) m_last_timestamp = now; // time reversed if( m_f_stoped ){ m_status = T_FINISHED; if( m_f_restart ) Restart(); } else m_status = T_FREE; } int btTracker:: _IPsin(char *h, int p, struct sockaddr_in *psin) { psin->sin_family = AF_INET; psin->sin_port = htons(p); psin->sin_addr.s_addr = inet_addr(h); return ( psin->sin_addr.s_addr == INADDR_NONE ) ? -1 : 0; } int btTracker:: _s2sin(char *h,int p,struct sockaddr_in *psin) { psin->sin_family = AF_INET; psin->sin_port = htons(p); if( h ){ psin->sin_addr.s_addr = inet_addr(h); if(psin->sin_addr.s_addr == INADDR_NONE){ struct hostent *ph = gethostbyname(h); if( !ph || ph->h_addrtype != AF_INET){ memset(psin,0,sizeof(struct sockaddr_in)); return -1; } memcpy(&psin->sin_addr,ph->h_addr_list[0],sizeof(struct in_addr)); } }else psin->sin_addr.s_addr = htonl(INADDR_ANY); return 0; } int btTracker::_UpdatePeerList(char *buf,size_t bufsiz) { char tmphost[MAXHOSTNAMELEN]; const char *ps; size_t i,pos,tmpport; size_t cnt = 0; struct sockaddr_in addr; if( decode_query(buf,bufsiz,"failure reason",&ps,&i,(int64_t*)0,QUERY_STR) ){ char failreason[1024]; if( i < 1024 ){ memcpy(failreason, ps, i); failreason[i] = '\0'; }else{ memcpy(failreason, ps, 1000); failreason[1000] = '\0'; strcat(failreason,"..."); } CONSOLE.Warning(1, "TRACKER FAILURE REASON: %s", failreason); return -1; } if( decode_query(buf,bufsiz,"warning message",&ps,&i,(int64_t*)0,QUERY_STR) ){ char warnmsg[1024]; if( i < 1024 ){ memcpy(warnmsg, ps, i); warnmsg[i] = '\0'; }else{ memcpy(warnmsg, ps, 1000); warnmsg[1000] = '\0'; strcat(warnmsg,"..."); } CONSOLE.Warning(2, "TRACKER WARNING: %s", warnmsg); } m_peers_count = m_seeds_count = 0; if( decode_query(buf,bufsiz,"tracker id",&ps,&i,(int64_t*)0,QUERY_STR) ){ if( i <= PEER_ID_LEN ){ memcpy(m_trackerid, ps, i); m_trackerid[i] = '\0'; }else{ memcpy(m_trackerid, ps, PEER_ID_LEN); m_trackerid[PEER_ID_LEN] = '\0'; } } if( !decode_query(buf, bufsiz, "interval", (const char**)0, &i, (int64_t*)0, QUERY_INT) ) return -1; if(m_interval != (time_t)i) m_interval = (time_t)i; if(m_default_interval != (time_t)i) m_default_interval = (time_t)i; if( decode_query(buf, bufsiz, "complete", (const char**)0, &i, (int64_t*)0, QUERY_INT) ) m_seeds_count = i; if( decode_query(buf, bufsiz, "incomplete", (const char**)0, &i, (int64_t*)0, QUERY_INT) ) m_peers_count = m_seeds_count + i; else{ if(arg_verbose && 0==m_seeds_count) CONSOLE.Debug("Tracker did not supply peers count."); m_peers_count = m_seeds_count; } pos = decode_query(buf, bufsiz, "peers", (const char**)0, (size_t *)0, (int64_t*)0, QUERY_POS); if( !pos ){ return -1; } if(4 > bufsiz - pos){ return -1; } // peers list 太小 buf += (pos + 1); bufsiz -= (pos + 1); ps = buf-1; if( *ps != 'l' ){ // binary peers section if not 'l' addr.sin_family = AF_INET; i = 0; while( *ps != ':' ) i = i * 10 + (*ps++ - '0'); i /= 6; ps++; while( i-- > 0 ){ memcpy(&addr.sin_addr,ps,sizeof(struct in_addr)); memcpy(&addr.sin_port,ps+sizeof(struct in_addr),sizeof(unsigned short)); if( !Self.IpEquiv(addr) ){ cnt++; IPQUEUE.Add(&addr); } ps += 6; } } else for( ; bufsiz && *buf!='e'; buf += pos, bufsiz -= pos ){ pos = decode_dict(buf,bufsiz,(char*)0); if(!pos) break; if( !decode_query(buf,pos,"ip",&ps,&i,(int64_t*)0,QUERY_STR) || MAXHOSTNAMELEN < i ) continue; memcpy(tmphost,ps,i); tmphost[i] = '\0'; if( !decode_query(buf,pos,"port",(const char**)0,&tmpport,(int64_t*)0, QUERY_INT) ) continue; if( !decode_query(buf,pos,"peer id",&ps,&i,(int64_t*)0,QUERY_STR) && i != 20 ) continue; if(_IPsin(tmphost,tmpport,&addr) < 0){ CONSOLE.Warning(3, "warn, detected invalid ip address %s.",tmphost); continue; } if( !Self.IpEquiv(addr) ){ cnt++; IPQUEUE.Add(&addr); } } if( 0==m_peers_count ){ m_peers_count = cnt + 1; // include myself m_f_boguspeercnt = 1; }else m_f_boguspeercnt = 0; if(arg_verbose) CONSOLE.Debug("new peers=%d; next check in %d sec", (int)cnt, (int)m_interval); return 0; } int btTracker::CheckReponse() { char *pdata, *format; ssize_t r; size_t q, hlen, dlen; r = m_reponse_buffer.FeedIn(m_sock); time(&m_last_timestamp); if( r > 0 ) return 0; // connection is still open; may have more data coming q = m_reponse_buffer.Count(); if( !q ){ int error = 0; socklen_t n = sizeof(error); if( getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0 ) error = errno; if( error != 0 ) CONSOLE.Warning(2, "warn, received nothing from tracker: %s", strerror(error)); else CONSOLE.Warning(2, "warn, received nothing from tracker!"); Reset(15); // try again return -1; } Reset( (-1 == r) ? 15 : 0 ); // can't reset socket before error check hlen = Http_split(m_reponse_buffer.BasePointer(), q, &pdata,&dlen); if( !hlen ){ CONSOLE.Warning(2, "warn, tracker reponse invalid. No html header found."); return -1; } r = Http_reponse_code(m_reponse_buffer.BasePointer(),hlen); if ( r != 200 ){ if( r == 301 || r == 302 ){ char redirect[MAXPATHLEN], ih_buf[20 * 3 + 1], pi_buf[20 * 3 + 1], tmppath[MAXPATHLEN]; if( Http_get_header(m_reponse_buffer.BasePointer(), hlen, "Location", redirect) < 0 ) return -1; if( Http_url_analyse(redirect,m_host,&m_port,m_path) < 0 ){ CONSOLE.Warning(1, "warn, tracker redirected to an invalid url %s", redirect); return -1; }else{ char *c = strstr(m_path, "?info_hash="); if( !c ) c = strstr(m_path, "&info_hash="); if( c ) *c = '\0'; if(arg_verbose) CONSOLE.Debug("tracker redirect to %s", redirect); if( BuildBaseRequest() < 0 ) return -1; } if( Connect() < 0 ){ Reset(15); return -1; }else return 0; }else if( r >= 400 ){ CONSOLE.Warning(2, "Tracker reponse code >= 400 !!!"); CONSOLE.Warning(2, "The file is not registered on this tracker or may have been removed."); CONSOLE.Warning(2, "IF YOU CONTINUE TO GET THIS MESSAGE AND DOWNLOAD DOES NOT BEGIN, PLEASE STOP CTORRENT!"); if( pdata && dlen ){ // write(STDERR_FILENO, pdata, dlen); CONSOLE.Warning(0, "Tracker reponse data DUMP:"); CONSOLE.Warning(0, "%s", pdata); CONSOLE.Warning(0, "== DUMP OVER=="); } return -1; }else return 0; } if( !m_f_started ) m_f_started = 1; m_connect_refuse_click = 0; m_ok_click++; if ( !pdata ){ CONSOLE.Warning(2, "warn, peers list received from tracker is empty."); return 0; } return _UpdatePeerList(pdata,dlen); } int btTracker::Initial() { if(Http_url_analyse(BTCONTENT.GetAnnounce(),m_host,&m_port,m_path) < 0){ CONSOLE.Warning(1, "error, invalid tracker url format!"); return -1; } char chars[37] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; for(int i=0; i<8; i++) m_key[i] = chars[random()%36]; m_key[8] = 0; /* get local ip address */ struct sockaddr_in addr; if( cfg_public_ip ){ // Get specified public address. if( (addr.sin_addr.s_addr = inet_addr(cfg_public_ip)) == INADDR_NONE ){ struct hostent *h; h = gethostbyname(cfg_public_ip); memcpy(&addr.sin_addr, h->h_addr, sizeof(struct in_addr)); } Self.SetIp(addr); goto next_step; } if( cfg_listen_ip ){ // Get specified listen address. addr.sin_addr.s_addr = cfg_listen_ip; Self.SetIp(addr); if( !IsPrivateAddress(cfg_listen_ip) ) goto next_step; } { // Try to get address corresponding to the hostname. struct hostent *h; char hostname[MAXHOSTNAMELEN]; if( gethostname(hostname, MAXHOSTNAMELEN) >= 0 ){ // CONSOLE.Debug("hostname: %s", hostname); if( h = gethostbyname(hostname) ){ // CONSOLE.Debug("Host name: %s", h->h_name); // CONSOLE.Debug("Address: %s", inet_ntoa(*((struct in_addr *)h->h_addr))); if( !IsPrivateAddress(((struct in_addr *)(h->h_addr))->s_addr) || !cfg_listen_ip ){ memcpy(&addr.sin_addr, h->h_addr, sizeof(struct in_addr)); Self.SetIp(addr); } } } } next_step: if( BuildBaseRequest() < 0 ) return -1; return 0; } int btTracker::IsPrivateAddress(uint32_t addr) { return (addr & htonl(0xff000000)) == htonl(0x0a000000) || // 10.x.x.x/8 (addr & htonl(0xfff00000)) == htonl(0xac100000) || // 172.16.x.x/12 (addr & htonl(0xffff0000)) == htonl(0xc0a80000) || // 192.168.x.x/16 (addr & htonl(0xff000000)) == htonl(0x7f000000); // 127.x.x.x/8 } int btTracker::BuildBaseRequest() { char ih_buf[20 * 3 + 1], pi_buf[20 * 3 + 1], tmppath[MAXPATHLEN]; const char *format; strcpy(tmppath,m_path); if(strchr(m_path, '?')) format=REQ_URL_P1A_FMT; else format=REQ_URL_P1_FMT; char *opt = (char *)0; if( cfg_public_ip ){ opt = new char[5+strlen(cfg_public_ip)]; strcpy(opt, "&ip="); strcat(opt, cfg_public_ip); }else{ struct sockaddr_in addr; Self.GetAddress(&addr); if( !IsPrivateAddress(addr.sin_addr.s_addr) ){ opt = new char[20]; strcpy(opt, "&ip="); strcat(opt, inet_ntoa(addr.sin_addr)); } } if(MAXPATHLEN < snprintf((char*)m_path,MAXPATHLEN,format, tmppath, Http_url_encode(ih_buf,(char*)BTCONTENT.GetInfoHash(),20), Http_url_encode(pi_buf,(char*)BTCONTENT.GetPeerId(),20), opt ? opt : "", cfg_listen_port, m_key)){ return -1; } return 0; } int btTracker::Connect() { ssize_t r; time(&m_last_timestamp); if(_s2sin(m_host,m_port,&m_sin) < 0) { CONSOLE.Warning(2, "warn, get tracker's ip address failed."); return -1; } m_sock = socket(AF_INET,SOCK_STREAM,0); if(INVALID_SOCKET == m_sock) return -1; // we only need to bind if we have specified an ip // we need it to bind here before the connect!!!! if ( cfg_listen_ip != 0 ) { struct sockaddr_in addr; // clear the struct as requested in the manpages memset(&addr,0, sizeof(sockaddr_in)); // set the type addr.sin_family = AF_INET; // we want the system to choose port addr.sin_port = 0; // set the defined ip from the commandline addr.sin_addr.s_addr = cfg_listen_ip; // bind it or return... if(bind(m_sock,(struct sockaddr*)&addr,sizeof(struct sockaddr_in)) != 0){ CONSOLE.Warning(1, "warn, can't set up tracker connection: %s", strerror(errno)); return -1; } } if(setfd_nonblock(m_sock) < 0){ CLOSE_SOCKET(m_sock); return -1; } r = connect_nonb(m_sock,(struct sockaddr*)&m_sin); if( r == -1 ){ CLOSE_SOCKET(m_sock); return -1; } else if( r == -2 ) m_status = T_CONNECTING; else{ if(arg_verbose) CONSOLE.Debug("Connected to tracker"); if( 0 == SendRequest() ) m_status = T_READY; else{ CLOSE_SOCKET(m_sock); return -1; } } return 0; } int btTracker::SendRequest() { char *event,*str_event[] = {"started","stopped","completed" }; char REQ_BUFFER[2*MAXPATHLEN]; struct sockaddr_in addr; if( m_f_stoped ) event = str_event[1]; /* stopped */ else if( !m_f_started ){ if( BTCONTENT.IsFull() ) m_f_completed = 1; event = str_event[0]; /* started */ }else if( BTCONTENT.IsFull() && !m_f_completed ){ if( Self.TotalDL() > 0 ) event = str_event[2]; /* download complete */ else event = (char*) 0; /* interval */ m_f_completed = 1; /* only send download complete once */ }else event = (char*) 0; /* interval */ char opt1[20] = "&event="; char opt2[12+PEER_ID_LEN] = "&trackerid="; if( BTCONTENT.IsFull() ) m_totaldl = Self.TotalDL(); if(MAXPATHLEN < snprintf(REQ_BUFFER,MAXPATHLEN,REQ_URL_P2_FMT, m_path, event ? strncat(opt1,event,12) : "", *m_trackerid ? strncat(opt2,m_trackerid,PEER_ID_LEN) : "", (unsigned long long)(m_totalul = Self.TotalUL()), (unsigned long long)m_totaldl, (unsigned long long)(BTCONTENT.GetLeftBytes()), (int)cfg_max_peers)){ return -1; } // if we have a tracker hostname (not just an IP), send a Host: header if(_IPsin(m_host, m_port, &addr) < 0){ char REQ_HOST[MAXHOSTNAMELEN]; if(MAXHOSTNAMELEN < snprintf(REQ_HOST,MAXHOSTNAMELEN,"\r\nHost: %s",m_host)) return -1; strcat(REQ_BUFFER, REQ_HOST); } strcat(REQ_BUFFER, "\r\nUser-Agent: "); strcat(REQ_BUFFER, cfg_user_agent); strcat(REQ_BUFFER,"\r\n\r\n"); // hc //CONSOLE.Warning(0, "SendRequest: %s", REQ_BUFFER); if( 0 != m_request_buffer.PutFlush(m_sock,REQ_BUFFER,strlen((char*)REQ_BUFFER)) ){ CONSOLE.Warning(2, "warn, send request to tracker failed: %s", strerror(errno)); if( event == str_event[2] ) m_f_completed = 0; // failed sending completion event return -1; }else{ m_report_time = now; m_report_dl = m_totaldl; m_report_ul = m_totalul; if(arg_verbose) CONSOLE.Debug("Reported to tracker: %llu uploaded, %llu downloaded", (unsigned long long)m_report_ul, (unsigned long long)m_report_dl); } return 0; } int btTracker::IntervalCheck(fd_set *rfdp, fd_set *wfdp) { /* tracker communication */ if( T_FREE == m_status ){ if( INVALID_SOCKET != m_sock ){ FD_CLR(m_sock, rfdp); FD_CLR(m_sock, wfdp); } if( now - m_last_timestamp >= m_interval || // Connect to tracker early if we run low on peers. (WORLD.GetPeersCount() < cfg_min_peers && m_prevpeers >= cfg_min_peers && now - m_last_timestamp >= 15) ){ m_prevpeers = WORLD.GetPeersCount(); if(Connect() < 0){ Reset(15); return -1; } FD_SET(m_sock, rfdp); if( m_status == T_CONNECTING ) FD_SET(m_sock, wfdp); }else if( now < m_last_timestamp ) m_last_timestamp = now; // time reversed }else if( T_CONNECTING == m_status ){ FD_SET(m_sock, rfdp); FD_SET(m_sock, wfdp); }else if( INVALID_SOCKET != m_sock ){ FD_SET(m_sock, rfdp); if( m_request_buffer.Count() ) FD_SET(m_sock, wfdp); } return m_sock; } int btTracker::SocketReady(fd_set *rfdp, fd_set *wfdp, int *nfds, fd_set *rfdnextp, fd_set *wfdnextp) { if( T_FREE == m_status ) return 0; if( T_CONNECTING == m_status && FD_ISSET(m_sock,wfdp) ){ int error = 0; socklen_t n = sizeof(error); (*nfds)--; FD_CLR(m_sock, wfdnextp); if( FD_ISSET(m_sock, rfdp) ){ (*nfds)--; FD_CLR(m_sock, rfdnextp); } if(getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0) error = errno; if( error ){ if( ECONNREFUSED == error ){ if(arg_verbose) CONSOLE.Debug("tracker connection refused"); m_connect_refuse_click++; }else CONSOLE.Warning(2, "warn, connect to tracker failed: %s", strerror(error)); Reset(15); return -1; }else{ if(arg_verbose) CONSOLE.Debug("Connected to tracker"); if( SendRequest() == 0 ) m_status = T_READY; else { Reset(15); return -1; } } }else if( T_CONNECTING == m_status && FD_ISSET(m_sock,rfdp) ){ int error = 0; socklen_t n = sizeof(error); (*nfds)--; FD_CLR(m_sock, rfdnextp); if(getsockopt(m_sock, SOL_SOCKET,SO_ERROR,&error,&n) < 0) error = errno; CONSOLE.Warning(2, "warn, connect to tracker failed: %s", strerror(error)); Reset(15); return -1; }else if( INVALID_SOCKET != m_sock ){ if( FD_ISSET(m_sock, rfdp) ){ (*nfds)--; FD_CLR(m_sock,rfdnextp); SOCKET tmp_sock = m_sock; int r = CheckReponse(); if( INVALID_SOCKET == m_sock ){ if( FD_ISSET(tmp_sock, wfdp) ){ (*nfds)--; FD_CLR(tmp_sock,wfdnextp); } return r; } } if( FD_ISSET(m_sock, wfdp) ){ (*nfds)--; FD_CLR(m_sock,wfdnextp); if( m_request_buffer.Count() && m_request_buffer.FlushOut(m_sock) < 0 ){ Reset(15); return -1; } } }else{ // failsafe Reset(15); return -1; } return 0; } void btTracker::Restart() { m_f_stoped = m_f_restart = 0; if( T_FINISHED == m_status ){ m_status = T_FREE; m_f_started = 0; m_interval = 15; } } void btTracker::SetStoped() { if( !m_f_started ){ m_f_stoped = 1; m_status = T_FINISHED; }else{ Reset(15); m_f_stoped = 1; } } void btTracker::RestartTracker() { SetStoped(); // finish the tracker // Now we need to wait until the tracker updates (T_FINISHED == m_status), // then Tracker.Restart(). SetRestart(); } size_t btTracker::GetPeersCount() const { // includes seeds, so must always be >= 1 (myself!) return (m_peers_count > m_seeds_count) ? m_peers_count : (GetSeedsCount() + (BTCONTENT.IsFull() ? 0 : 1)); } size_t btTracker::GetSeedsCount() const { return m_seeds_count ? m_seeds_count : (BTCONTENT.IsFull() ? 1 : 0); } ctorrent-1.3.4.dnh3.3.2/tracker.h0000644000000000000000000000611211227344303016460 0ustar00usergroup00000000000000#ifndef TRACKER_H #define TRACKER_H #include "./def.h" #include #include "./bufio.h" #ifdef WINDOWS #include #else #include #include // Solaris defines MAXHOSTNAMELEN here. #include // autoconf manual: Darwin + others prereq for stdlib.h #include // autoconf manual: Darwin prereq for sys/socket.h #include #include #include #include #endif #include #include "btconfig.h" #define T_FREE 0 #define T_CONNECTING 1 #define T_READY 2 #define T_FINISHED 3 class btTracker { private: char m_host[MAXHOSTNAMELEN]; char m_path[MAXPATHLEN]; int m_port; char m_key[9]; char m_trackerid[PEER_ID_LEN+1]; struct sockaddr_in m_sin; unsigned char m_status:2; unsigned char m_f_started:1; unsigned char m_f_stoped:1; unsigned char m_f_completed:1; unsigned char m_f_restart:1; unsigned char m_f_boguspeercnt:1; unsigned char m_reserved:1; time_t m_interval; // 与Tracker通信的时间间隔 time_t m_default_interval; // interval that the tracker tells us to wait time_t m_last_timestamp; // 最后一次成功与Tracker通信的时间 size_t m_connect_refuse_click; size_t m_ok_click; // tracker ok response counter size_t m_peers_count; // total number of peers size_t m_seeds_count; // total number of seeds size_t m_prevpeers; // number of peers previously seen time_t m_report_time; uint64_t m_totaldl, m_totalul, m_report_dl, m_report_ul; SOCKET m_sock; BufIo m_request_buffer, m_reponse_buffer; int _IPsin(char *h, int p, struct sockaddr_in *psin); int _s2sin(char *h,int p,struct sockaddr_in *psin); int _UpdatePeerList(char *buf,size_t bufsiz); int IsPrivateAddress(uint32_t addr); int BuildBaseRequest(); int Connect(); int SendRequest(); int CheckReponse(); void Restart(); public: btTracker(); ~btTracker(); int Initial(); void Reset(time_t new_interval); unsigned char GetStatus() { return m_status; } void SetStatus(unsigned char s) { m_status = s; } SOCKET GetSocket() { return m_sock; } void RestartTracker(); void SetRestart() { m_f_restart = 1; } void ClearRestart() { m_f_restart = 0; } int IsRestarting() const { return m_f_restart; } int IsQuitting() const { return m_f_stoped; } void SetStoped(); int IntervalCheck(fd_set* rfdp, fd_set *wfdp); int SocketReady(fd_set *rfdp, fd_set *wfdp, int *nfds, fd_set *rfdnextp, fd_set *wfdnextp); size_t GetRefuseClick() const { return m_connect_refuse_click; } size_t GetOkClick() const { return m_ok_click; } size_t GetPeersCount() const; size_t GetSeedsCount() const; void AdjustPeersCount() { if(m_f_boguspeercnt && m_peers_count) m_peers_count--; } time_t GetInterval() const { return m_default_interval; } time_t GetReportTime() const { return m_report_time; } uint64_t GetReportDL() const { return m_report_dl; } uint64_t GetReportUL() const { return m_report_ul; } void CountDL(size_t nbytes) { m_totaldl += nbytes; } void CountUL(size_t nbytes) { m_totalul += nbytes; } }; extern btTracker Tracker; #endif ctorrent-1.3.4.dnh3.3.2/version.m40000644000000000000000000000037511227344303016610 0ustar00usergroup00000000000000m4_define([m4_PACKAGE_NAME], [Enhanced CTorrent]) m4_define([m4_PACKAGE_TARNAME], [ctorrent]) m4_define([m4_PACKAGE_VERSION], [dnh3.3.2]) m4_define([m4_PACKAGE_BUGREPORT], [http://sourceforge.net/projects/dtorrent/ or dholmes@ct.boxmail.com])