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4.0.0org.jenkins-cijenkins1.29org.jenkins-ci.mainremoting2.23Jenkins remoting layer
Contains the bootstrap code to bridge separate JVMs into a single semi-shared space.
Reusable outside Jenkins.
The MIT licensehttp://www.opensource.org/licenses/mit-license.phpreposcm:git:git://github.com/jenkinsci/remoting.gitscm:git:ssh://git@github.com/jenkinsci/remoting.githttps://github.com/jenkinsci/remotingremoting-2.23privateUTF-8UTF-8UTF-8repo.jenkins-ci.orghttp://repo.jenkins-ci.org/public/truefalsejunitjunit4.11testasmasm-all2.2.3testargs4jargs4j2.0.16providedcommons-iocommons-io1.4testorg.jvnet.hudsontest-annotations1.0testorg.jvnetanimal-sniffer-annotation1.0truecom.github.stephenc.findbugsfindbugs-annotations1.3.9-1provided${basedir}/src/filter/resourcestrue${basedir}/src/main/resourcesorg.codehaus.mojofindbugs-maven-pluginHighorg.apache.maven.pluginsmaven-pmd-plugin1.5maven-jar-pluginhudson.remoting.Launcher${project.version}maven-jarsigner-plugin1.2${hudson.sign.alias}${hudson.sign.storepass}${hudson.sign.keystore}signmaven-dependency-pluginbundle-arg4jprocess-classesunpack-dependencies${project.build.outputDirectory}providedargs4jargs4jorg.codehaus.mojobuild-helper-maven-plugintimestamp-propertytimestamp-propertynowMM/dd/yyyy HH:mm zen_USversion-propertyregex-propertybuild.version${project.version}-SNAPSHOT-SNAPSHOT (${build.type}-${now}-${user.name})falseorg.codehaus.mojoanimal-sniffer-maven-plugin1.7org.codehaus.mojo.signaturejava151.0maven-release-plugin2.3.2releasercrcorg.codehaus.mojobuild-helper-maven-pluginversion-property-RC (${now})debugtruejenkins${basedir}/src/test/keystore/dummy.keystorejenkinsreleasemaven-gpg-pluginsign-artifactsverifysign
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} > C ! Background
J7 JW K K L J J J J J K K K# K3 KC KS Kc Ks K K K K K K K } > C ! jenkins-remoting-2.23/src/ 0000755 0001750 0001750 00000000000 12122627370 016166 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/ 0000755 0001750 0001750 00000000000 12122627370 017453 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/ 0000755 0001750 0001750 00000000000 12122627370 021465 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/jenkins/ 0000755 0001750 0001750 00000000000 12122627370 023126 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/jenkins/remoting/ 0000755 0001750 0001750 00000000000 12122627370 024752 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/jenkins/remoting/jenkins-version.properties 0000644 0001750 0001750 00000000030 12122627370 032205 0 ustar jamespage jamespage version=${build.version} jenkins-remoting-2.23/src/filter/resources/hudson/ 0000755 0001750 0001750 00000000000 12122627370 022765 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/hudson/remoting/ 0000755 0001750 0001750 00000000000 12122627370 024611 5 ustar jamespage jamespage jenkins-remoting-2.23/src/filter/resources/hudson/remoting/hudson-version.properties 0000644 0001750 0001750 00000000030 12122627370 031703 0 ustar jamespage jamespage version=${build.version} jenkins-remoting-2.23/src/main/ 0000755 0001750 0001750 00000000000 12122627370 017112 5 ustar jamespage jamespage jenkins-remoting-2.23/src/main/java/ 0000755 0001750 0001750 00000000000 12122627370 020033 5 ustar jamespage jamespage jenkins-remoting-2.23/src/main/java/hudson/ 0000755 0001750 0001750 00000000000 12122627370 021333 5 ustar jamespage jamespage jenkins-remoting-2.23/src/main/java/hudson/remoting/ 0000755 0001750 0001750 00000000000 12122627370 023157 5 ustar jamespage jamespage jenkins-remoting-2.23/src/main/java/hudson/remoting/Callable.java 0000644 0001750 0001750 00000003011 12122627370 025514 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.Serializable;
/**
* Represents computation to be done on a remote system.
*
* @see Channel
* @author Kohsuke Kawaguchi
*/
public interface Callable extends Serializable {
/**
* Performs computation and returns the result,
* or throws some exception.
*/
V call() throws T;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ProxyException.java 0000644 0001750 0001750 00000004035 12122627370 027024 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
/**
* Used when the exception thrown by the remoted code cannot be serialized.
*
*
* This exception captures the part of the information of the original exception
* so that the caller can get some information about the problem that happened.
*
* @author Kohsuke Kawaguchi
*/
public class ProxyException extends IOException {
public ProxyException(Throwable cause) {
super(cause.toString()); // use toString() to capture the class name and error message
setStackTrace(cause.getStackTrace());
// wrap all the chained exceptions
if(cause.getCause()!=null)
initCause(new ProxyException(cause.getCause()));
}
/**
* {@link ProxyException} all the way down.
*/
@Override
public ProxyException getCause() {
return (ProxyException)super.getCause();
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ProxyOutputStream.java 0000644 0001750 0001750 00000040050 12122627370 027537 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link OutputStream} that sends bits to an exported
* {@link OutputStream} on a remote machine.
*/
final class ProxyOutputStream extends OutputStream {
private Channel channel;
private int oid;
private PipeWindow window;
/**
* If bytes are written to this stream before it's connected
* to a remote object, bytes will be stored in this buffer.
*/
private ByteArrayOutputStream tmp;
/**
* Set to true if the stream is closed.
*/
private boolean closed;
/**
* Creates unconnected {@link ProxyOutputStream}.
* The returned stream accepts data right away, and
* when it's {@link #connect(Channel,int) connected} later,
* the data will be sent at once to the remote stream.
*/
public ProxyOutputStream() {
}
/**
* Creates an already connected {@link ProxyOutputStream}.
*
* @param oid
* The object id of the exported {@link OutputStream}.
*/
public ProxyOutputStream(Channel channel, int oid) throws IOException {
connect(channel,oid);
}
/**
* Connects this stream to the specified remote object.
*/
synchronized void connect(Channel channel, int oid) throws IOException {
if(this.channel!=null)
throw new IllegalStateException("Cannot connect twice");
if(oid==0)
throw new IllegalArgumentException("oid=0");
this.channel = channel;
this.oid = oid;
window = channel.getPipeWindow(oid);
// if we already have bytes to write, do so now.
if(tmp!=null) {
byte[] b = tmp.toByteArray();
tmp = null;
_write(b,0,b.length);
}
if(closed) // already marked closed?
doClose();
}
public void write(int b) throws IOException {
write(new byte[]{(byte)b},0,1);
}
public void write(byte b[], int off, int len) throws IOException {
if(closed)
throw new IOException("stream is already closed");
_write(b, off, len);
}
/**
* {@link #write(byte[])} without the close check.
*/
private synchronized void _write(byte[] b, int off, int len) throws IOException {
if(channel==null) {
if(tmp==null)
tmp = new ByteArrayOutputStream();
tmp.write(b,off,len);
} else {
final int max = window.max();
while (len>0) {
int sendable;
try {
/*
To avoid fragmentation of the pipe window, at least demand that 10% of the pipe window
be reclaimed.
Imagine a large latency network where we are always low on the window size,
and we are continuously sending data of irregular size. In such a circumstance,
a fragmentation will happen. We start sending out a small Chunk at a time (say 4 bytes),
and when its Ack comes back, it gets immediately consumed by another out-bound Chunk of 4 bytes.
Clearly, it's better to wait a bit until we have a sizable pipe window, then send out
a bigger Chunk, since Chunks have static overheads. This code does just that.
(Except when what we are trying to send as a whole is smaller than the current available
window size, in which case there's no point in waiting.)
*/
sendable = Math.min(window.get(Math.min(max/10,len)),len);
/*
Imagine if we have a lot of data to send and the pipe window is fully available.
If we create one Chunk that fully uses the window size, we need to wait for the
whole Chunk to get to the other side, then the Ack to come back to this side,
before we can send a next Chunk. While the Ack is traveling back to us, we have
to sit idle. This fails to utilize available bandwidth.
A better strategy is to create a smaller Chunk, say half the window size.
This allows the other side to send back the ack while we are sending the second
Chunk. In a network with a non-trivial latency, this allows Chunk and Ack
to overlap, and that improves the utilization.
It's not clear what the best size of the chunk to send (there's a certain
overhead in our Command structure, around 100-200 bytes), so I'm just starting
with 2. Further analysis would be needed to determine the best value.
*/
sendable = Math.min(sendable, max /2);
} catch (InterruptedException e) {
throw (IOException)new InterruptedIOException().initCause(e);
}
channel.send(new Chunk(channel.newIoId(),oid,b,off,sendable));
window.decrease(sendable);
off+=sendable;
len-=sendable;
}
}
}
public synchronized void flush() throws IOException {
if(channel!=null)
channel.send(new Flush(channel.newIoId(),oid));
}
public synchronized void close() throws IOException {
closed = true;
if(channel!=null)
doClose();
}
private void doClose() throws IOException {
channel.send(new EOF(channel.newIoId(),oid));
channel = null;
oid = -1;
}
@Override
protected void finalize() throws Throwable {
super.finalize();
// if we haven't done so, release the exported object on the remote side.
if(channel!=null) {
channel.send(new Unexport(channel.newIoId(),oid));
channel = null;
oid = -1;
}
}
/**
* I/O operations in remoting gets executed by a separate pipe thread asynchronously.
* So if a closure performs some I/O (such as writing to the RemoteOutputStream) then returns,
* it is possible that the calling thread unblocks before the I/O actually completes.
*
* This race condition creates a truncation problem like JENKINS-9189 or JENKINS-7871.
* The initial fix for this was to introduce {@link Channel#syncLocalIO()}, but given the
* recurrence in JENKINS-9189, I concluded that it's too error prone to expect the user of the
* remoting to make such a call in the right place.
*
* So the goal of this code is to automatically ensure the proper ordering of the return from
* the {@link Request#call(Channel)} and the I/O operations done during the call. We do this
* by attributing I/O call to a {@link Request}, then keeping track of the last I/O operation
* performed.
*
* @deprecated as of 2.16
* {@link PipeWriter} does this job better, but kept for backward compatibility to communicate
* with earlier version of remoting without losing the original fix to JENKINS-9189 completely.
*/
private static void markForIoSync(Channel channel, int requestId, java.util.concurrent.Future ioOp) {
Request call = channel.pendingCalls.get(requestId);
// call==null if:
// 1) the remote peer uses old version that doesn't set the requestId field
// 2) a bug in the code, but in that case we are being defensive
if (call!=null)
call.lastIo = ioOp;
}
/**
* {@link Command} for sending bytes.
*/
private static final class Chunk extends Command {
private final int oid;
private final int ioId;
private final int requestId = Request.getCurrentRequestId();
private final byte[] buf;
public Chunk(int ioId, int oid, byte[] buf, int start, int len) {
// to improve the performance when a channel is used purely as a pipe,
// don't record the stack trace. On FilePath.writeToTar case, the stack trace and the OOS header
// takes up about 1.5K.
super(false);
this.ioId = ioId;
this.oid = oid;
if (start==0 && len==buf.length)
this.buf = buf;
else {
this.buf = new byte[len];
System.arraycopy(buf,start,this.buf,0,len);
}
}
protected void execute(final Channel channel) {
final OutputStream os = (OutputStream) channel.getExportedObject(oid);
markForIoSync(channel,requestId,channel.pipeWriter.submit(ioId,new Runnable() {
public void run() {
try {
os.write(buf);
} catch (IOException e) {
try {
channel.send(new NotifyDeadWriter(channel,e,oid));
} catch (ChannelClosedException x) {
// the other direction can be already closed if the connection
// shut down is initiated from this side. In that case, remain silent.
} catch (IOException x) {
// ignore errors
LOGGER.log(Level.WARNING, "Failed to notify the sender that the write end is dead",x);
LOGGER.log(Level.WARNING, "... the failed write was:",e);
}
} finally {
if (channel.remoteCapability.supportsPipeThrottling()) {
try {
channel.send(new Ack(oid,buf.length));
} catch (ChannelClosedException x) {
// the other direction can be already closed if the connection
// shut down is initiated from this side. In that case, remain silent.
} catch (IOException e) {
// ignore errors
LOGGER.log(Level.WARNING, "Failed to ack the stream",e);
}
}
}
}
}));
}
public String toString() {
return "Pipe.Chunk("+oid+","+buf.length+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} for flushing.
*/
private static final class Flush extends Command {
private final int oid;
private final int requestId = Request.getCurrentRequestId();
private final int ioId;
public Flush(int ioId, int oid) {
super(false);
this.ioId = ioId;
this.oid = oid;
}
protected void execute(Channel channel) {
final OutputStream os = (OutputStream) channel.getExportedObject(oid);
markForIoSync(channel,requestId,channel.pipeWriter.submit(ioId,new Runnable() {
public void run() {
try {
os.flush();
} catch (IOException e) {
// ignore errors
}
}
}));
}
public String toString() {
return "Pipe.Flush("+oid+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} for releasing an export table.
*
*
* Unlike {@link EOF}, this just unexports but not closes the stream.
*/
private static class Unexport extends Command {
private final int oid;
private final int ioId;
public Unexport(int ioId, int oid) {
this.ioId = ioId;
this.oid = oid;
}
protected void execute(final Channel channel) {
channel.pipeWriter.submit(ioId,new Runnable() {
public void run() {
channel.unexport(oid);
}
});
}
public String toString() {
return "Pipe.Unexport("+oid+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} for sending EOF.
*/
private static final class EOF extends Command {
private final int oid;
private final int requestId = Request.getCurrentRequestId();
private final int ioId;
public EOF(int ioId, int oid) {
this.ioId = ioId;
this.oid = oid;
}
protected void execute(final Channel channel) {
final OutputStream os = (OutputStream) channel.getExportedObject(oid);
markForIoSync(channel,requestId,channel.pipeWriter.submit(ioId,new Runnable() {
public void run() {
channel.unexport(oid);
try {
os.close();
} catch (IOException e) {
// ignore errors
}
}
}));
}
public String toString() {
return "Pipe.EOF("+oid+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} to notify the sender that it can send some more data.
*/
private static class Ack extends Command {
/**
* The oid of the {@link OutputStream} on the receiver side of the data.
*/
private final int oid;
/**
* The number of bytes that were freed up.
*/
private final int size;
private Ack(int oid, int size) {
super(false); // performance optimization
this.oid = oid;
this.size = size;
}
protected void execute(Channel channel) {
PipeWindow w = channel.getPipeWindow(oid);
w.increase(size);
}
public String toString() {
return "Pipe.Ack("+oid+','+size+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} to notify the sender that the receiver is dead.
*/
private static final class NotifyDeadWriter extends Command {
private final int oid;
private NotifyDeadWriter(Channel channel,Throwable cause, int oid) {
super(channel,cause);
this.oid = oid;
}
@Override
protected void execute(Channel channel) {
PipeWindow w = channel.getPipeWindow(oid);
w.dead(createdAt.getCause());
}
public String toString() {
return "Pipe.Dead("+oid+")";
}
private static final long serialVersionUID = 1L;
}
private static final Logger LOGGER = Logger.getLogger(ProxyOutputStream.class.getName());
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/DelegatingExecutorService.java 0000644 0001750 0001750 00000004000 12122627370 031117 0 ustar jamespage jamespage package hudson.remoting;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.*;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
/**
* {@link ExecutorService} that delegates to another one.
*
* @author Kohsuke Kawaguchi
*/
class DelegatingExecutorService implements ExecutorService {
private final ExecutorService base;
public DelegatingExecutorService(ExecutorService base) {
this.base = base;
}
public void shutdown() {
base.shutdown();
}
public List shutdownNow() {
return base.shutdownNow();
}
public boolean isShutdown() {
return base.isShutdown();
}
public boolean isTerminated() {
return base.isTerminated();
}
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
return base.awaitTermination(timeout, unit);
}
public Future submit(Callable task) {
return base.submit(task);
}
public Future submit(Runnable task, T result) {
return base.submit(task, result);
}
public Future submit(Runnable task) {
return base.submit(task);
}
public List> invokeAll(Collection> tasks) throws InterruptedException {
return base.invokeAll(tasks);
}
public List> invokeAll(Collection> tasks, long timeout, TimeUnit unit) throws InterruptedException {
return base.invokeAll(tasks, timeout, unit);
}
public T invokeAny(Collection> tasks) throws InterruptedException, ExecutionException {
return base.invokeAny(tasks);
}
public T invokeAny(Collection> tasks, long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
return base.invokeAny(tasks, timeout, unit);
}
public void execute(Runnable command) {
base.execute(command);
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/MultiClassLoaderSerializer.java 0000644 0001750 0001750 00000012552 12122627370 031270 0 ustar jamespage jamespage package hudson.remoting;
import hudson.remoting.RemoteClassLoader.IClassLoader;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
import java.io.OutputStream;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* {@link ObjectInputStream}/{@link ObjectOutputStream} pair that can handle object graph that spans across
* multiple classloaders.
*
*
* To pass around ClassLoaders, this class uses OID instead of {@link IClassLoader}, since doing so
* can results in recursive class resolution that may end up with NPE in ObjectInputStream.defaultReadFields like
* described in the comment from huybrechts in HUDSON-4293.
*
* @author Kohsuke Kawaguchi
* @see Capability#supportsMultiClassLoaderRPC()
*/
class MultiClassLoaderSerializer {
static final class Output extends ObjectOutputStream {
private final Channel channel;
/**
* Encountered Classloaders, to their indices.
*/
private final Map classLoaders = new HashMap();
Output(Channel channel, OutputStream out) throws IOException {
super(out);
this.channel = channel;
}
@Override
protected void annotateClass(Class c) throws IOException {
ClassLoader cl = c.getClassLoader();
if (cl==null) {// bootstrap classloader. no need to export.
writeInt(TAG_SYSTEMCLASSLOADER);
return;
}
Integer idx = classLoaders.get(cl);
if (idx==null) {
classLoaders.put(cl,classLoaders.size());
if (cl instanceof RemoteClassLoader) {
int oid = ((RemoteClassLoader) cl).getOid(channel);
if (oid>=0) {
// this classloader came from where we are sending this classloader to.
writeInt(TAG_LOCAL_CLASSLOADER);
writeInt(oid);
return;
}
}
// tell the receiving side that they need to import a new classloader
// this reference count is released when RemoteInvocationHandler backing IClassLoader is GCed on the remote node.
writeInt(TAG_EXPORTED_CLASSLOADER);
writeInt(RemoteClassLoader.exportId(cl,channel));
} else {// reference to a classloader that's already written
writeInt(idx);
}
}
@Override
protected void annotateProxyClass(Class cl) throws IOException {
annotateClass(cl);
}
}
static final class Input extends ObjectInputStream {
private final Channel channel;
private final List classLoaders = new ArrayList();
Input(Channel channel, InputStream in) throws IOException {
super(in);
this.channel = channel;
}
private ClassLoader readClassLoader() throws IOException, ClassNotFoundException {
ClassLoader cl;
int code = readInt();
switch (code) {
case TAG_SYSTEMCLASSLOADER:
return null;
case TAG_LOCAL_CLASSLOADER:
cl = ((RemoteClassLoader.ClassLoaderProxy)channel.getExportedObject(readInt())).cl;
classLoaders.add(cl);
return cl;
case TAG_EXPORTED_CLASSLOADER:
cl = channel.importedClassLoaders.get(readInt());
classLoaders.add(cl);
return cl;
default:
return classLoaders.get(code);
}
}
@Override
protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
String name = desc.getName();
try {
ClassLoader cl = readClassLoader();
Class c = Class.forName(name, false, cl);
return c;
} catch (ClassNotFoundException ex) {
return super.resolveClass(desc);
}
}
@Override
protected Class resolveProxyClass(String[] interfaces) throws IOException, ClassNotFoundException {
ClassLoader cl = readClassLoader();
Class[] classes = new Class[interfaces.length];
for (int i = 0; i < interfaces.length; i++)
classes[i] = Class.forName(interfaces[i], false, cl);
return Proxy.getProxyClass(cl, classes);
}
}
/**
* Indicates that the class being sent should be loaded from the system classloader.
*/
private static final int TAG_SYSTEMCLASSLOADER = -3;
/**
* Indicates that the class being sent originates from the sender side. The sender exports this classloader
* and sends its OID in the following int. The receiver will import this classloader to resolve the class.
*/
private static final int TAG_EXPORTED_CLASSLOADER = -2;
/**
* Indicates that the class being sent originally came from the receiver. The following int indicates
* the OID of the classloader exported from the receiver, which the sender used.
*/
private static final int TAG_LOCAL_CLASSLOADER = -1;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Pipe.java 0000644 0001750 0001750 00000016323 12122627370 024724 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Pipe for the remote {@link Callable} and the local program to talk to each other.
*
*
* There are two kinds of pipes. One is for having a local system write to a remote system,
* and the other is for having a remote system write to a local system. Use
* the different versions of the create method to create the appropriate kind
* of pipes.
*
*
* Once created, {@link Pipe} can be sent to the remote system as a part of a serialization of
* {@link Callable} between {@link Channel}s.
* Once re-instantiated on the remote {@link Channel}, pipe automatically connects
* back to the local instance and perform necessary set up.
*
*
* The local and remote system can then call {@link #getIn()} and {@link #getOut()} to
* read/write bytes.
*
*
* Pipe can be only written by one system and read by the other system. It is an error to
* send one {@link Pipe} to two remote {@link Channel}s, or send one {@link Pipe} to
* the same {@link Channel} twice.
*
*
Usage
*
* final Pipe p = Pipe.createLocalToRemote();
*
* channel.callAsync(new Callable() {
* public Object call() {
* InputStream in = p.getIn();
* ... read from in ...
* }
* });
*
* OutputStream out = p.getOut();
* ... write to out ...
*
*
* Similarly, for remote to local pipe,
*
*
* final Pipe p = Pipe.createRemoteToLocal();
*
* channel.callAsync(new Callable() {
* public Object call() {
* OutputStream out = p.getOut();
* ... write to out ...
* }
* });
*
* InputStream in = p.getIn();
* ... read from in ...
*
*
*
Implementation Note
*
* For better performance, {@link Pipe} uses lower-level {@link Command} abstraction
* to send data, instead of typed proxy object. This allows the writer to send data
* without blocking until the arrival of the data is confirmed.
*
* @author Kohsuke Kawaguchi
*/
public final class Pipe implements Serializable {
private InputStream in;
private OutputStream out;
private Pipe(InputStream in, OutputStream out) {
this.in = in;
this.out = out;
}
/**
* Gets the reading end of the pipe.
*/
public InputStream getIn() {
return in;
}
/**
* Gets the writing end of the pipe.
*/
public OutputStream getOut() {
return out;
}
/**
* Creates a {@link Pipe} that allows remote system to write and local system to read.
*/
public static Pipe createRemoteToLocal() {
// OutputStream will be created on the target
return new Pipe(new FastPipedInputStream(),null);
}
/**
* Creates a {@link Pipe} that allows local system to write and remote system to read.
*/
public static Pipe createLocalToRemote() {
return new Pipe(null,new ProxyOutputStream());
}
private void writeObject(ObjectOutputStream oos) throws IOException {
if(in!=null && out==null) {
// remote will write to local
FastPipedOutputStream pos = new FastPipedOutputStream((FastPipedInputStream)in);
int oid = Channel.current().export(pos,false); // this export is unexported in ProxyOutputStream.finalize()
oos.writeBoolean(true); // marker
oos.writeInt(oid);
} else {
// remote will read from local this object gets unexported when the pipe is connected.
// see ConnectCommand
int oid = Channel.current().export(out,false);
oos.writeBoolean(false);
oos.writeInt(oid);
}
}
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
final Channel channel = Channel.current();
assert channel !=null;
if(ois.readBoolean()) {
// local will write to remote
in = null;
out = new ProxyOutputStream(channel, ois.readInt());
} else {
// local will read from remote.
// tell the remote system about this local read pipe
// this is the OutputStream that wants to send data to us
final int oidRos = ois.readInt();
// we want 'oidRos' to send data to this PipedOutputStream
FastPipedOutputStream pos = new FastPipedOutputStream();
FastPipedInputStream pis = new FastPipedInputStream(pos);
final int oidPos = channel.export(pos,false); // this gets unexported when the remote ProxyOutputStream closes.
// tell 'ros' to connect to our 'pos'.
channel.send(new ConnectCommand(oidRos, oidPos));
out = null;
in = pis;
}
}
private static final long serialVersionUID = 1L;
private static final Logger logger = Logger.getLogger(Pipe.class.getName());
private static class ConnectCommand extends Command {
private final int oidRos;
private final int oidPos;
public ConnectCommand(int oidRos, int oidPos) {
this.oidRos = oidRos;
this.oidPos = oidPos;
}
protected void execute(final Channel channel) {
// ordering barrier not needed for this I/O call, so not giving I/O ID.
channel.pipeWriter.submit(0,new Runnable() {
public void run() {
try {
final ProxyOutputStream ros = (ProxyOutputStream) channel.getExportedObject(oidRos);
channel.unexport(oidRos);
// the above unexport cancels out the export in writeObject above
ros.connect(channel, oidPos);
} catch (IOException e) {
logger.log(Level.SEVERE,"Failed to connect to pipe",e);
}
}
});
}
static final long serialVersionUID = -9128735897846418140L;
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/SocketOutputStream.java 0000644 0001750 0001750 00000004326 12122627370 027654 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
/**
* {@link InputStream} connected to socket.
*
*
* Unlike plain {@link Socket#getOutputStream()}, closing the stream
* does not close the entire socket, and instead it merely partial-close
* a socket in the direction.
*
* @author Kohsuke Kawaguchi
*/
public class SocketOutputStream extends FilterOutputStream {
private final Socket socket;
public SocketOutputStream(Socket socket) throws IOException {
super(socket.getOutputStream());
this.socket = socket;
}
public void write(int b) throws IOException {
out.write(b);
}
public void write(byte[] b) throws IOException {
out.write(b);
}
public void write(byte[] b, int off, int len) throws IOException {
out.write(b, off, len);
}
@Override
public void close() throws IOException {
socket.shutdownOutput();
if (socket.isInputShutdown())
socket.close();
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/FastPipedOutputStream.java 0000644 0001750 0001750 00000015016 12122627370 030301 0 ustar jamespage jamespage /*
* @(#)$Id: FastPipedOutputStream.java 3619 2008-03-26 07:23:03Z yui $
*
* Copyright 2006-2008 Makoto YUI
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* Makoto YUI - initial implementation
*/
package hudson.remoting;
import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.io.IOException;
import java.lang.ref.WeakReference;
/**
* This class is equivalent to java.io.PipedOutputStream. In the
* interface it only adds a constructor which allows for specifying the buffer
* size. Its implementation, however, is much simpler and a lot more efficient
* than its equivalent. It doesn't rely on polling. Instead it uses proper
* synchronization with its counterpart {@link FastPipedInputStream}.
*
* @author WD
* @link http://developer.java.sun.com/developer/bugParade/bugs/4404700.html
* @see FastPipedOutputStream
*/
public class FastPipedOutputStream extends OutputStream {
WeakReference sink;
/**
* Keeps track of the total # of bytes written via this output stream.
* Helps with debugging, and serves no other purpose.
*/
private long written=0;
private final Throwable allocatedAt = new Throwable();
/**
* Creates an unconnected PipedOutputStream.
*/
public FastPipedOutputStream() {
super();
}
/**
* Creates a PipedOutputStream with a default buffer size and connects it to
* sink.
* @exception IOException It was already connected.
*/
public FastPipedOutputStream(FastPipedInputStream sink) throws IOException {
connect(sink);
}
/**
* Creates a PipedOutputStream with buffer size bufferSize and
* connects it to sink.
* @exception IOException It was already connected.
* @deprecated as of 1.350
* bufferSize parameter is ignored.
*/
public FastPipedOutputStream(FastPipedInputStream sink, int bufferSize) throws IOException {
this(sink);
}
private FastPipedInputStream sink() throws IOException {
FastPipedInputStream s = sink.get();
if (s==null) throw (IOException)new IOException("Reader side has already been abandoned").initCause(allocatedAt);
return s;
}
/**
* @exception IOException The pipe is not connected.
*/
@Override
public void close() throws IOException {
if(sink == null) {
throw new IOException("Unconnected pipe");
}
FastPipedInputStream s = sink();
synchronized(s.buffer) {
s.closed = new FastPipedInputStream.ClosedBy();
flush();
}
}
/**
* @exception IOException The pipe is already connected.
*/
public void connect(FastPipedInputStream sink) throws IOException {
if(this.sink != null) {
throw new IOException("Pipe already connected");
}
this.sink = new WeakReference(sink);
sink.source = new WeakReference(this);
}
@Override
protected void finalize() throws Throwable {
super.finalize();
close();
}
@Override
public void flush() throws IOException {
FastPipedInputStream s = sink();
synchronized(s.buffer) {
// Release all readers.
s.buffer.notifyAll();
}
}
public void write(int b) throws IOException {
write(new byte[] { (byte) b });
}
@Override
public void write(byte[] b) throws IOException {
write(b, 0, b.length);
}
/**
* @exception IOException The pipe is not connected or a reader has closed it.
*/
@Override
public void write(byte[] b, int off, int len) throws IOException {
if(sink == null) {
throw new IOException("Unconnected pipe");
}
while (len>0) {
FastPipedInputStream s = sink(); // make sure the sink is still trying to read, or else fail the write.
if(s.closed!=null) {
throw (IOException)new IOException("Pipe is already closed").initCause(s.closed);
}
synchronized(s.buffer) {
if(s.writePosition == s.readPosition && s.writeLaps > s.readLaps) {
// The circular buffer is full, so wait for some reader to consume
// something.
// release a reference to 's' during the wait so that if the reader has abandoned the pipe
// we can tell.
byte[] buf = s.buffer;
s = null;
Thread t = Thread.currentThread();
String oldName = t.getName();
t.setName("Blocking to write '"+HexDump.toHex(b,off,Math.min(len,256))+"' : "+oldName);
try {
buf.wait(TIMEOUT);
} catch (InterruptedException e) {
throw (InterruptedIOException)new InterruptedIOException(e.getMessage()).initCause(e);
} finally {
t.setName(oldName);
}
// Try again.
continue;
}
// Don't write more than the capacity indicated by len or the space
// available in the circular buffer.
int amount = Math.min(len, (s.writePosition < s.readPosition ? s.readPosition
: s.buffer.length)
- s.writePosition);
System.arraycopy(b, off, s.buffer, s.writePosition, amount);
s.writePosition += amount;
if(s.writePosition == s.buffer.length) {
s.writePosition = 0;
++s.writeLaps;
}
off += amount;
len -= amount;
written += amount;
s.buffer.notifyAll();
}
}
}
static final int TIMEOUT = Integer.getInteger(FastPipedOutputStream.class.getName()+".timeout",10*1000);
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/SynchronousCommandTransport.java 0000644 0001750 0001750 00000006261 12122627370 031575 0 ustar jamespage jamespage package hudson.remoting;
import java.io.EOFException;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link CommandTransport} that implements the read operation in a synchronous fashion.
*
*
* This class uses a thread to pump commands and pass them to {@link CommandReceiver}.
*
* @author Kohsuke Kawaguchi
*/
public abstract class SynchronousCommandTransport extends CommandTransport {
protected Channel channel;
/**
* Called by {@link Channel} to read the next command to arrive from the stream.
*/
abstract Command read() throws IOException, ClassNotFoundException, InterruptedException;
@Override
public void setup(Channel channel, CommandReceiver receiver) {
this.channel = channel;
new ReaderThread(receiver).start();
}
private final class ReaderThread extends Thread {
private int commandsReceived = 0;
private int commandsExecuted = 0;
private final CommandReceiver receiver;
public ReaderThread(CommandReceiver receiver) {
super("Channel reader thread: "+channel.getName());
this.receiver = receiver;
}
@Override
public void run() {
final String name =channel.getName();
try {
while(!channel.isInClosed()) {
Command cmd = null;
try {
cmd = read();
} catch (EOFException e) {
IOException ioe = new IOException("Unexpected termination of the channel");
ioe.initCause(e);
throw ioe;
} catch (ClassNotFoundException e) {
LOGGER.log(Level.SEVERE, "Unable to read a command (channel " + name + ")",e);
continue;
} finally {
commandsReceived++;
}
receiver.handle(cmd);
commandsExecuted++;
}
closeRead();
} catch (InterruptedException e) {
LOGGER.log(Level.SEVERE, "I/O error in channel "+name,e);
channel.terminate((InterruptedIOException) new InterruptedIOException().initCause(e));
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "I/O error in channel "+name,e);
channel.terminate(e);
} catch (RuntimeException e) {
LOGGER.log(Level.SEVERE, "Unexpected error in channel "+name,e);
channel.terminate((IOException) new IOException("Unexpected reader termination").initCause(e));
throw e;
} catch (Error e) {
LOGGER.log(Level.SEVERE, "Unexpected error in channel "+name,e);
channel.terminate((IOException) new IOException("Unexpected reader termination").initCause(e));
throw e;
} finally {
channel.pipeWriter.shutdown();
}
}
}
private static final Logger LOGGER = Logger.getLogger(SynchronousCommandTransport.class.getName());
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Which.java 0000644 0001750 0001750 00000022625 12122627370 025073 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, Ullrich Hafner
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.net.MalformedURLException;
import java.net.URLConnection;
import java.net.JarURLConnection;
import java.lang.reflect.Field;
import java.util.zip.ZipFile;
import java.util.jar.JarFile;
import java.util.logging.Logger;
import java.util.logging.Level;
/**
* Locates where a given class is loaded from.
*
* @author Kohsuke Kawaguchi
*/
public class Which {
/**
* Locates the jar file that contains the given class.
*
* @throws IllegalArgumentException
* if failed to determine.
*/
public static URL jarURL(Class clazz) throws IOException {
ClassLoader cl = clazz.getClassLoader();
if(cl==null)
cl = ClassLoader.getSystemClassLoader();
URL res = cl.getResource(clazz.getName().replace('.', '/') + ".class");
if(res==null)
throw new IllegalArgumentException("Unable to locate class file for "+clazz);
return res;
}
/**
* Locates the jar file that contains the given class.
*
*
* Note that jar files are not always loaded from {@link File},
* so for diagnostics purposes {@link #jarURL(Class)} is preferrable.
*
* @throws IllegalArgumentException
* if failed to determine.
*/
public static File jarFile(Class clazz) throws IOException {
URL res = jarURL(clazz);
String resURL = res.toExternalForm();
String originalURL = resURL;
if(resURL.startsWith("jar:file:") || resURL.startsWith("wsjar:file:"))
return fromJarUrlToFile(resURL);
if(resURL.startsWith("code-source:/")) {
// OC4J apparently uses this. See http://www.nabble.com/Hudson-on-OC4J-tt16702113.html
resURL = resURL.substring("code-source:/".length(), resURL.lastIndexOf('!')); // cut off jar: and the file name portion
return new File(decode(new URL("file:/"+resURL).getPath()));
}
if(resURL.startsWith("zip:")){
// weblogic uses this. See http://www.nabble.com/patch-to-get-Hudson-working-on-weblogic-td23997258.html
// also see http://www.nabble.com/Re%3A-Hudson-on-Weblogic-10.3-td25038378.html#a25043415
resURL = resURL.substring("zip:".length(), resURL.lastIndexOf('!')); // cut off zip: and the file name portion
return new File(decode(new URL("file:"+resURL).getPath()));
}
if(resURL.startsWith("file:")) {
// unpackaged classes
int n = clazz.getName().split("\\.").length; // how many slashes do wo need to cut?
for( ; n>0; n-- ) {
int idx = Math.max(resURL.lastIndexOf('/'), resURL.lastIndexOf('\\'));
if(idx<0) throw new IllegalArgumentException(originalURL + " - " + resURL);
resURL = resURL.substring(0,idx);
}
// won't work if res URL contains ' '
// return new File(new URI(null,new URL(res).toExternalForm(),null));
// won't work if res URL contains '%20'
// return new File(new URL(res).toURI());
return new File(decode(new URL(resURL).getPath()));
}
if(resURL.startsWith("vfszip:")) {
// JBoss5
InputStream is = res.openStream();
try {
Object delegate = is;
while (delegate.getClass().getEnclosingClass()!=ZipFile.class) {
Field f = delegate.getClass().getDeclaredField("delegate");
f.setAccessible(true);
delegate = f.get(delegate);
//JENKINS-5922 - workaround for CertificateReaderInputStream; JBoss 5.0.0, EAP 5.0 and EAP 5.1
if(delegate.getClass().getName().equals("java.util.jar.JarVerifier$VerifierStream")){
f = delegate.getClass().getDeclaredField("is");
f.setAccessible(true);
delegate = f.get(delegate);
}
}
Field f = delegate.getClass().getDeclaredField("this$0");
f.setAccessible(true);
ZipFile zipFile = (ZipFile)f.get(delegate);
return new File(zipFile.getName());
} catch (NoSuchFieldException e) {
// something must have changed in JBoss5. fall through
LOGGER.log(Level.FINE, "Failed to resolve vfszip into a jar location",e);
} catch (IllegalAccessException e) {
// something must have changed in JBoss5. fall through
LOGGER.log(Level.FINE, "Failed to resolve vfszip into a jar location",e);
} finally {
is.close();
}
}
if(resURL.startsWith("vfs:")) {
// JBoss6
String dotdot="";
for (int i=clazz.getName().split("\\.").length; i>1; i--)
dotdot+="../";
try {
URL jar = new URL(res,dotdot);
String path = jar.getPath();
if (path.endsWith("/")) path=path.substring(0,path.length()-1);
// obtain the file name portion
String fileName = path.substring(path.lastIndexOf('/')+1);
Object vfs = new URL(jar,"..").getContent(); // a VirtualFile object pointing to the parent of the jar
File dir = (File)vfs.getClass().getMethod("getPhysicalFile").invoke(vfs);
File jarFile = new File(dir,fileName);
if (jarFile.exists()) return jarFile;
} catch (Exception e) {
LOGGER.log(Level.FINE, "Failed to resolve vfs file into a location",e);
}
}
URLConnection con = res.openConnection();
if (con instanceof JarURLConnection) {
JarURLConnection jcon = (JarURLConnection) con;
JarFile jarFile = jcon.getJarFile();
if (jarFile!=null) {
String n = jarFile.getName();
if(n.length()>0) {// JDK6u10 needs this
return new File(n);
} else {
// JDK6u10 apparently starts hiding the real jar file name,
// so this just keeps getting tricker and trickier...
try {
Field f = ZipFile.class.getDeclaredField("name");
f.setAccessible(true);
return new File((String) f.get(jarFile));
} catch (NoSuchFieldException e) {
LOGGER.log(Level.INFO, "Failed to obtain the local cache file name of "+clazz, e);
} catch (IllegalAccessException e) {
LOGGER.log(Level.INFO, "Failed to obtain the local cache file name of "+clazz, e);
}
}
}
}
throw new IllegalArgumentException(originalURL + " - " + resURL);
}
public static File jarFile(URL resource) throws IOException {
return fromJarUrlToFile(resource.toExternalForm());
}
private static File fromJarUrlToFile(String resURL) throws MalformedURLException {
resURL = resURL.substring(resURL.indexOf(':')+1, resURL.lastIndexOf('!')); // cut off "scheme:" and the file name portion
return new File(decode(new URL(resURL).getPath()));
}
/**
* Decode '%HH'.
*/
private static String decode(String s) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
for( int i=0; i>4)&15));
r.append(CODE.charAt(b&15));
}
return r.toString();
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Launcher.java 0000644 0001750 0001750 00000054432 12122627370 025573 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2010, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import hudson.remoting.Channel.Mode;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import org.kohsuke.args4j.Option;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.CmdLineException;
import javax.crypto.spec.IvParameterSpec;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.net.ssl.SSLHandshakeException;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.TrustManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.X509TrustManager;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLSession;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.File;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileWriter;
import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLConnection;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URLClassLoader;
import java.net.InetSocketAddress;
import java.net.HttpURLConnection;
import java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.security.cert.X509Certificate;
import java.security.cert.CertificateException;
import java.security.NoSuchAlgorithmException;
import java.security.KeyManagementException;
import java.security.SecureRandom;
import java.util.Properties;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
/**
* Entry point for running a {@link Channel}. This is the main method of the slave JVM.
*
*
* This class also defines several methods for
* starting a channel on a fresh JVM.
*
* @author Kohsuke Kawaguchi
*/
public class Launcher {
public Mode mode = Mode.BINARY;
// no-op, but left for backward compatibility
@Option(name="-ping")
public boolean ping = true;
@Option(name="-slaveLog", usage="create local slave error log")
public File slaveLog = null;
@Option(name="-text",usage="encode communication with the master with base64. " +
"Useful for running slave over 8-bit unsafe protocol like telnet")
public void setTextMode(boolean b) {
mode = b?Mode.TEXT:Mode.BINARY;
System.out.println("Running in "+mode.name().toLowerCase(Locale.ENGLISH)+" mode");
}
@Option(name="-jnlpUrl",usage="instead of talking to the master via stdin/stdout, " +
"emulate a JNLP client by making a TCP connection to the master. " +
"Connection parameters are obtained by parsing the JNLP file.")
public URL slaveJnlpURL = null;
@Option(name="-jnlpCredentials",metaVar="USER:PASSWORD",usage="HTTP BASIC AUTH header to pass in for making HTTP requests.")
public String slaveJnlpCredentials = null;
@Option(name="-secret", metaVar="HEX_SECRET", usage="Slave connection secret to use instead of -jnlpCredentials.")
public String secret;
@Option(name="-cp",aliases="-classpath",metaVar="PATH",
usage="add the given classpath elements to the system classloader.")
public void addClasspath(String pathList) throws Exception {
Method $addURL = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
$addURL.setAccessible(true);
for(String token : pathList.split(File.pathSeparator))
$addURL.invoke(ClassLoader.getSystemClassLoader(),new File(token).toURI().toURL());
// fix up the system.class.path to pretend that those jar files
// are given through CLASSPATH or something.
// some tools like JAX-WS RI and Hadoop relies on this.
System.setProperty("java.class.path",System.getProperty("java.class.path")+File.pathSeparatorChar+pathList);
}
@Option(name="-tcp",usage="instead of talking to the master via stdin/stdout, " +
"listens to a random local port, write that port number to the given file, " +
"then wait for the master to connect to that port.")
public File tcpPortFile=null;
@Option(name="-auth",metaVar="user:pass",usage="If your Hudson is security-enabled, specify a valid user name and password.")
public String auth = null;
public InetSocketAddress connectionTarget = null;
@Option(name="-connectTo",usage="make a TCP connection to the given host and port, then start communication.",metaVar="HOST:PORT")
public void setConnectTo(String target) {
String[] tokens = target.split(":");
if(tokens.length!=2) {
System.err.println("Illegal parameter: "+target);
System.exit(1);
}
connectionTarget = new InetSocketAddress(tokens[0],Integer.valueOf(tokens[1]));
}
/**
* Bypass HTTPS security check by using free-for-all trust manager.
*
* @param _
* This is ignored.
*/
@Option(name="-noCertificateCheck")
public void setNoCertificateCheck(boolean _) throws NoSuchAlgorithmException, KeyManagementException {
System.out.println("Skipping HTTPS certificate checks altogether. Note that this is not secure at all.");
SSLContext context = SSLContext.getInstance("TLS");
context.init(null, new TrustManager[]{new NoCheckTrustManager()}, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(context.getSocketFactory());
// bypass host name check, too.
HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
public boolean verify(String s, SSLSession sslSession) {
return true;
}
});
}
public static void main(String... args) throws Exception {
Launcher launcher = new Launcher();
CmdLineParser parser = new CmdLineParser(launcher);
try {
parser.parseArgument(args);
launcher.run();
} catch (CmdLineException e) {
System.err.println(e.getMessage());
System.err.println("java -jar slave.jar [options...]");
parser.printUsage(System.err);
System.err.println();
}
}
public void run() throws Exception {
if (slaveLog!=null) {
System.setErr(new PrintStream(new TeeOutputStream(System.err,new FileOutputStream(slaveLog))));
}
if(auth!=null) {
final int idx = auth.indexOf(':');
if(idx<0) throw new CmdLineException(null, "No ':' in the -auth option");
Authenticator.setDefault(new Authenticator() {
@Override public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(auth.substring(0,idx), auth.substring(idx+1).toCharArray());
}
});
}
if(connectionTarget!=null) {
runAsTcpClient();
System.exit(0);
} else
if(slaveJnlpURL!=null) {
List jnlpArgs = parseJnlpArguments();
try {
hudson.remoting.jnlp.Main._main(jnlpArgs.toArray(new String[jnlpArgs.size()]));
} catch (CmdLineException e) {
System.err.println("JNLP file "+slaveJnlpURL+" has invalid arguments: "+jnlpArgs);
System.err.println("Most likely a configuration error in the master");
System.err.println(e.getMessage());
System.exit(1);
}
} else
if(tcpPortFile!=null) {
runAsTcpServer();
System.exit(0);
} else {
runWithStdinStdout();
System.exit(0);
}
}
/**
* Parses the connection arguments from JNLP file given in the URL.
*/
public List parseJnlpArguments() throws ParserConfigurationException, SAXException, IOException, InterruptedException {
if (secret != null) {
slaveJnlpURL = new URL(slaveJnlpURL + "?encrypt=true");
if (slaveJnlpCredentials != null) {
throw new IOException("-jnlpCredentials and -secret are mutually exclusive");
}
}
while (true) {
try {
URLConnection con = slaveJnlpURL.openConnection();
if (con instanceof HttpURLConnection && slaveJnlpCredentials != null) {
HttpURLConnection http = (HttpURLConnection) con;
String userPassword = slaveJnlpCredentials;
String encoding = Base64.encode(userPassword.getBytes());
http.setRequestProperty("Authorization", "Basic " + encoding);
}
con.connect();
if (con instanceof HttpURLConnection) {
HttpURLConnection http = (HttpURLConnection) con;
if(http.getResponseCode()>=400)
// got the error code. report that (such as 401)
throw new IOException("Failed to load "+slaveJnlpURL+": "+http.getResponseCode()+" "+http.getResponseMessage());
}
Document dom;
// check if this URL points to a .jnlp file
String contentType = con.getHeaderField("Content-Type");
String expectedContentType = secret == null ? "application/x-java-jnlp-file" : "application/octet-stream";
InputStream input = con.getInputStream();
if (secret != null) {
byte[] payload = toByteArray(input);
// the first 16 bytes (128bit) are initialization vector
try {
Cipher cipher = Cipher.getInstance("AES/CFB8/NoPadding");
cipher.init(Cipher.DECRYPT_MODE,
new SecretKeySpec(fromHexString(secret.substring(0, Math.min(secret.length(), 32))), "AES"),
new IvParameterSpec(payload,0,16));
byte[] decrypted = cipher.doFinal(payload,16,payload.length-16);
input = new ByteArrayInputStream(decrypted);
} catch (GeneralSecurityException x) {
throw (IOException)new IOException("Failed to decrypt the JNLP file. Invalid secret key?").initCause(x);
}
}
if(contentType==null || !contentType.startsWith(expectedContentType)) {
// load DOM anyway, but if it fails to parse, that's probably because this is not an XML file to begin with.
try {
dom = loadDom(slaveJnlpURL, input);
} catch (SAXException e) {
throw new IOException(slaveJnlpURL+" doesn't look like a JNLP file; content type was "+contentType);
} catch (IOException e) {
throw new IOException(slaveJnlpURL+" doesn't look like a JNLP file; content type was "+contentType);
}
} else {
dom = loadDom(slaveJnlpURL, input);
}
// exec into the JNLP launcher, to fetch the connection parameter through JNLP.
NodeList argElements = dom.getElementsByTagName("argument");
List jnlpArgs = new ArrayList();
for( int i=0; i 0 && interval > 0) {
new PingThread(channel, timeout, interval) {
@Override
protected void onDead() {
System.err.println("Ping failed. Terminating");
System.exit(-1);
}
}.start();
}
channel.join();
System.err.println("channel stopped");
}
/**
* {@link X509TrustManager} that performs no check at all.
*/
private static class NoCheckTrustManager implements X509TrustManager {
public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
}
public static boolean isWindows() {
return File.pathSeparatorChar==';';
}
private static String computeVersion() {
Properties props = new Properties();
try {
InputStream is = Launcher.class.getResourceAsStream("hudson-version.properties");
if(is!=null)
props.load(is);
} catch (IOException e) {
e.printStackTrace();
}
return props.getProperty("version", "?");
}
/**
* Version number of Hudson this slave.jar is from.
*/
public static final String VERSION = computeVersion();
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Command.java 0000644 0001750 0001750 00000007520 12122627370 025404 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* One-way command to be sent over to the remote system and executed there.
* This is layer 0, the lower most layer.
*
*
* At this level, remoting of class files are not provided, so both {@link Channel}s
* need to have the definition of {@link Command}-implementation.
*
* @author Kohsuke Kawaguchi
*/
abstract class Command implements Serializable {
/**
* This exception captures the stack trace of where the Command object is created.
* This is useful for diagnosing the error when command fails to execute on the remote peer.
*/
public final Exception createdAt;
protected Command() {
this(true);
}
protected Command(Channel channel, Throwable cause) {
// Command object needs to be deserializable on the other end without requiring custom classloading,
// so we wrap this in MimicException
this.createdAt = new Source(MimicException.make(channel,cause));
}
/**
* @param recordCreatedAt
* If false, skip the recording of where the command is created. This makes the trouble-shooting
* and cause/effect correlation hard in case of a failure, but it will reduce the amount of the data
* transferred.
*/
protected Command(boolean recordCreatedAt) {
if(recordCreatedAt)
this.createdAt = new Source();
else
this.createdAt = null;
}
/**
* Called on a remote system to perform this command.
*
* @param channel
* The {@link Channel} of the remote system.
*/
protected abstract void execute(Channel channel);
void writeTo(Channel channel, ObjectOutputStream oos) throws IOException {
Channel old = Channel.setCurrent(channel);
try {
oos.writeObject(this);
} finally {
Channel.setCurrent(old);
}
}
static Command readFrom(Channel channel, ObjectInputStream ois) throws IOException, ClassNotFoundException {
Channel old = Channel.setCurrent(channel);
try {
return (Command)ois.readObject();
} finally {
Channel.setCurrent(old);
}
}
private static final long serialVersionUID = 1L;
private final class Source extends Exception {
public Source() {
}
private Source(Throwable cause) {
super(cause);
}
public String toString() {
return "Command "+Command.this.toString()+" created at";
}
private static final long serialVersionUID = 1L;
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ExportTable.java 0000644 0001750 0001750 00000015224 12122627370 026257 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.ArrayList;
/**
* Manages unique ID for exported objects, and allows look-up from IDs.
*
* @author Kohsuke Kawaguchi
*/
final class ExportTable {
private final Map table = new HashMap();
private final Map reverse = new HashMap();
/**
* {@link ExportList}s which are actively recording the current
* export operation.
*/
private final ThreadLocal lists = new ThreadLocal();
/**
* Information about one exporetd object.
*/
private final class Entry {
final int id;
final T object;
/**
* Where was this object first exported?
*/
final Exception allocationTrace;
/**
* Current reference count.
* Access to {@link ExportTable} is guarded by synchronized block,
* so accessing this field requires no further synchronization.
*/
private int referenceCount;
Entry(T object) {
this.id = iota++;
this.object = object;
this.allocationTrace = new Exception();
// force the computation of the stack trace in a Java friendly data structure,
// so that the call stack can be seen from the heap dump after the fact.
allocationTrace.getStackTrace();
table.put(id,this);
reverse.put(object,this);
}
void addRef() {
referenceCount++;
}
/**
* Increase reference count so much to effectively prevent de-allocation.
* If the reference counting is correct, we just need to increment by one,
* but this makes it safer even in case of some reference counting errors
* (and we can still detect the problem by comparing the reference count with the magic value.
*/
void pin() {
referenceCount += Integer.MAX_VALUE/2;
}
void release() {
if(--referenceCount==0) {
table.remove(id);
reverse.remove(object);
}
}
}
/**
* Captures the list of export, so that they can be unexported later.
*
* This is tied to a particular thread, so it only records operations
* on the current thread.
*/
public final class ExportList extends ArrayList {
private final ExportList old;
private ExportList() {
old=lists.get();
lists.set(this);
}
void release() {
synchronized(ExportTable.this) {
for (Entry e : this)
e.release();
}
}
void stopRecording() {
lists.set(old);
}
}
/**
* Unique ID generator.
*/
private int iota = 1;
/**
* Starts the recording of the export operations
* and returns the list that captures the result.
*
* @see ExportList#stopRecording()
*/
public ExportList startRecording() {
ExportList el = new ExportList();
lists.set(el);
return el;
}
public boolean isRecording() {
return lists.get()!=null;
}
/**
* Exports the given object.
*
*
* Until the object is {@link #unexport(Object) unexported}, it will
* not be subject to GC.
*
* @return
* The assigned 'object ID'. If the object is already exported,
* it will return the ID already assigned to it.
*/
public synchronized int export(T t) {
return export(t,true);
}
/**
* @param notifyListener
* If false, listener will not be notified. This is used to
* create an export that won't get unexported when the call returns.
*/
public synchronized int export(T t, boolean notifyListener) {
if(t==null) return 0; // bootstrap classloader
Entry e = reverse.get(t);
if(e==null)
e = new Entry(t);
e.addRef();
if(notifyListener) {
ExportList l = lists.get();
if(l!=null) l.add(e);
}
return e.id;
}
/*package*/ synchronized void pin(T t) {
Entry e = reverse.get(t);
if(e==null)
e = new Entry(t);
e.pin();
}
public synchronized T get(int id) {
Entry e = table.get(id);
if(e!=null) return e.object;
else return null;
}
/**
* Removes the exported object from the table.
*/
public synchronized void unexport(T t) {
if(t==null) return;
Entry e = reverse.get(t);
if(e==null) return; // presumably already unexported
e.release();
}
/**
* Removes the exported object for the specified oid from the table.
*/
public synchronized void unexportByOid(Integer oid) {
if(oid==null) return;
Entry e = table.get(oid);
if(e==null) return; // presumably already unexported
e.release();
}
/**
* Dumps the contents of the table to a file.
*/
public synchronized void dump(PrintWriter w) throws IOException {
for (Entry e : table.values()) {
w.printf("#%d (ref.%d) : %s\n", e.id, e.referenceCount, e.object);
e.allocationTrace.printStackTrace(w);
}
}
/*package*/ synchronized boolean isExported(T o) {
return reverse.containsKey(o);
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/RequestAbortedException.java 0000644 0001750 0001750 00000002756 12122627370 030644 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
/**
* Signals that the communication is aborted and thus
* the pending {@link Request} will never recover its {@link Response}.
*
* @author Kohsuke Kawaguchi
*/
public class RequestAbortedException extends RuntimeException {
public RequestAbortedException(Throwable cause) {
super(cause);
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ObjectInputStreamEx.java 0000644 0001750 0001750 00000006424 12122627370 027727 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.lang.reflect.Modifier;
import java.lang.reflect.Proxy;
/**
* {@link ObjectInputStream} that uses a specific class loader.
*/
public class ObjectInputStreamEx extends ObjectInputStream {
private final ClassLoader cl;
public ObjectInputStreamEx(InputStream in, ClassLoader cl) throws IOException {
super(in);
this.cl = cl;
}
@Override
protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
String name = desc.getName();
try {
return Class.forName(name, false, cl);
} catch (ClassNotFoundException ex) {
return super.resolveClass(desc);
}
}
@Override
protected Class resolveProxyClass(String[] interfaces) throws IOException, ClassNotFoundException {
ClassLoader latestLoader = cl;
ClassLoader nonPublicLoader = null;
boolean hasNonPublicInterface = false;
// define proxy in class loader of non-public interface(s), if any
Class[] classObjs = new Class[interfaces.length];
for (int i = 0; i < interfaces.length; i++) {
Class cl = Class.forName(interfaces[i], false, latestLoader);
if ((cl.getModifiers() & Modifier.PUBLIC) == 0) {
if (hasNonPublicInterface) {
if (nonPublicLoader != cl.getClassLoader()) {
throw new IllegalAccessError(
"conflicting non-public interface class loaders");
}
} else {
nonPublicLoader = cl.getClassLoader();
hasNonPublicInterface = true;
}
}
classObjs[i] = cl;
}
try {
return Proxy.getProxyClass(
hasNonPublicInterface ? nonPublicLoader : latestLoader,
classObjs);
} catch (IllegalArgumentException e) {
throw new ClassNotFoundException(null, e);
}
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Response.java 0000644 0001750 0001750 00000005554 12122627370 025631 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
/**
* Request/response pattern over {@link Command}.
*
* This is layer 1.
*
* @author Kohsuke Kawaguchi
* @see Request
*/
final class Response extends Command {
/**
* ID of the {@link Request} for which
*/
private final int id;
/**
* Set by the sender to the ID of the last I/O issued during the command execution.
* The receiver will ensure that this I/O operation has completed before carrying out the task.
*
*
* If the sender doesn't support this, the receiver will see 0.
*
* @see PipeWriter
*/
private int lastIoId;
final RSP returnValue;
final EXC exception;
Response(int id, int lastIoId, RSP returnValue) {
this.id = id;
this.lastIoId = lastIoId;
this.returnValue = returnValue;
this.exception = null;
}
Response(int id, int lastIoId, EXC exception) {
this.id = id;
this.lastIoId = lastIoId;
this.returnValue = null;
this.exception = exception;
}
/**
* Notifies the waiting {@link Request}.
*/
@Override
protected void execute(Channel channel) {
Request req = channel.pendingCalls.get(id);
if(req==null)
return; // maybe aborted
req.responseIoId = lastIoId;
req.onCompleted(this);
channel.pendingCalls.remove(id);
}
public String toString() {
return "Response[retVal="+toString(returnValue)+",exception="+toString(exception)+"]";
}
private static String toString(Object o) {
if(o==null) return "null";
else return o.toString();
}
private static final long serialVersionUID = 1L;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ProxyInputStream.java 0000644 0001750 0001750 00000011532 12122627370 027341 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
/**
* {@link InputStream} that reads bits from an exported
* {@link InputStream} on a remote machine.
*
*
* TODO: pre-fetch bytes in advance
*
* @author Kohsuke Kawaguchi
*/
final class ProxyInputStream extends InputStream {
private Channel channel;
private int oid;
/**
* Creates an already connected {@link ProxyOutputStream}.
*
* @param oid
* The object id of the exported {@link OutputStream}.
*/
public ProxyInputStream(Channel channel, int oid) throws IOException {
this.channel = channel;
this.oid = oid;
}
@Override
public int read() throws IOException {
try {
Buffer buf = _read(1);
if(buf.len==1)
// byte->int expansion needs to be done carefully becaue byte in Java is signed
// whose idea was it to make byte signed, anyway!?
return ((int)buf.buf[0])&0xFF;
else
return -1;
} catch (InterruptedException e) {
// pretend EOF
Thread.currentThread().interrupt(); // process interrupt later
close();
return -1;
}
}
private synchronized Buffer _read(int len) throws IOException, InterruptedException {
return new Chunk(oid, len).call(channel);
}
@Override
public int read(byte b[], int off, int len) throws IOException {
try {
Buffer buf = _read(len);
if(buf.len==-1) return -1;
System.arraycopy(buf.buf,0,b,off,buf.len);
return buf.len;
} catch (InterruptedException e) {
// pretend EOF
Thread.currentThread().interrupt(); // process interrupt later
close();
return -1;
}
}
@Override
public synchronized void close() throws IOException {
if(channel!=null) {
channel.send(new EOF(oid));
channel = null;
oid = -1;
}
}
private static final class Buffer implements Serializable {
byte[] buf;
int len;
public Buffer(int len) {
this.buf = new byte[len];
}
public void read(InputStream in) throws IOException {
len = in.read(buf,0,buf.length);
}
private static final long serialVersionUID = 1L;
}
/**
* Command to fetch bytes.
*/
private static final class Chunk extends Request {
private final int oid;
private final int len;
public Chunk(int oid, int len) {
this.oid = oid;
this.len = len;
}
protected Buffer perform(Channel channel) throws IOException {
InputStream in = (InputStream) channel.getExportedObject(oid);
Buffer buf = new Buffer(len);
buf.read(in);
return buf;
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} for sending EOF.
*/
private static final class EOF extends Command {
private final int oid;
public EOF(int oid) {
this.oid = oid;
}
protected void execute(Channel channel) {
InputStream in = (InputStream) channel.getExportedObject(oid);
channel.unexport(oid);
try {
in.close();
} catch (IOException e) {
// ignore errors
}
}
public String toString() {
return "EOF("+oid+")";
}
private static final long serialVersionUID = 1L;
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/TeeOutputStream.java 0000644 0001750 0001750 00000005501 12122627370 027135 0 ustar jamespage jamespage /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package hudson.remoting;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* Classic splitter of OutputStream. Named after the unix 'tee'
* command. It allows a stream to be branched off so there
* are now two streams.
*
* @version $Id: TeeOutputStream.java 610010 2008-01-08 14:50:59Z niallp $
*/
class TeeOutputStream extends FilterOutputStream {
/** the second OutputStream to write to */
protected OutputStream branch;
/**
* Constructs a TeeOutputStream.
* @param out the main OutputStream
* @param branch the second OutputStream
*/
public TeeOutputStream( OutputStream out, OutputStream branch ) {
super(out);
this.branch = branch;
}
/**
* Write the bytes to both streams.
* @param b the bytes to write
* @throws IOException if an I/O error occurs
*/
public synchronized void write(byte[] b) throws IOException {
super.write(b);
this.branch.write(b);
}
/**
* Write the specified bytes to both streams.
* @param b the bytes to write
* @param off The start offset
* @param len The number of bytes to write
* @throws IOException if an I/O error occurs
*/
public synchronized void write(byte[] b, int off, int len) throws IOException {
super.write(b, off, len);
this.branch.write(b, off, len);
}
/**
* Write a byte to both streams.
* @param b the byte to write
* @throws IOException if an I/O error occurs
*/
public synchronized void write(int b) throws IOException {
super.write(b);
this.branch.write(b);
}
/**
* Flushes both streams.
* @throws IOException if an I/O error occurs
*/
public void flush() throws IOException {
super.flush();
this.branch.flush();
}
/**
* Closes both streams.
* @throws IOException if an I/O error occurs
*/
public void close() throws IOException {
super.close();
this.branch.close();
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ClassicCommandTransport.java 0000644 0001750 0001750 00000013106 12122627370 030620 0 ustar jamespage jamespage package hudson.remoting;
import hudson.remoting.Channel.Mode;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
/**
* The default {@link CommandTransport} that has been used historically.
*
*
* This implementation builds a {@link SynchronousCommandTransport} on top of a plain bi-directional byte stream.
* {@link Mode} support allows this to be built on 8-bit unsafe transport, such as telnet.
*
* @author Kohsuke Kawaguchi
* @since 2.13
*/
/*package*/ final class ClassicCommandTransport extends SynchronousCommandTransport {
private final ObjectInputStream ois;
private final ObjectOutputStream oos;
private final Capability remoteCapability;
private final OutputStream underlyingStream;
private ClassicCommandTransport(ObjectInputStream ois, ObjectOutputStream oos, OutputStream underlyingStream, Capability remoteCapability) {
this.ois = ois;
this.oos = oos;
this.underlyingStream = underlyingStream;
this.remoteCapability = remoteCapability;
}
@Override
public Capability getRemoteCapability() throws IOException {
return remoteCapability;
}
public final void write(Command cmd, boolean last) throws IOException {
cmd.writeTo(channel,oos);
oos.flush(); // make sure the command reaches the other end.
// unless this is the last command, have OOS and remote OIS forget all the objects we sent
// in this command. Otherwise it'll keep objects in memory unnecessarily.
// However, this may fail if the command was the close, because that's supposed to be the last command
// ever sent. It is possible for our ReaderThread to receive the reflecting close call from the other side
// and close the output before the sending code gets to here.
// See the comment from jglick on JENKINS-3077 about what happens if we do oos.reset().
if(!last)
oos.reset();
}
public void closeWrite() throws IOException {
oos.close();
}
public final Command read() throws IOException, ClassNotFoundException {
return Command.readFrom(channel,ois);
}
public void closeRead() throws IOException {
ois.close();
}
@Override
OutputStream getUnderlyingStream() {
return underlyingStream;
}
public static CommandTransport create(Mode mode, InputStream is, OutputStream os, OutputStream header, ClassLoader base, Capability capability) throws IOException {
if (base==null)
base = ClassicCommandTransport.class.getClassLoader();
// write the magic preamble.
// certain communication channel, such as forking JVM via ssh,
// may produce some garbage at the beginning (for example a remote machine
// might print some warning before the program starts outputting its own data.)
//
// so use magic preamble and discard all the data up to that to improve robustness.
capability.writePreamble(os);
ObjectOutputStream oos = null;
if(mode!= Mode.NEGOTIATE) {
os.write(mode.preamble);
oos = new ObjectOutputStream(mode.wrap(os));
oos.flush(); // make sure that stream preamble is sent to the other end. avoids dead-lock
}
{// read the input until we hit preamble
Mode[] modes={Mode.BINARY,Mode.TEXT};
byte[][] preambles = new byte[][]{Mode.BINARY.preamble, Mode.TEXT.preamble, Capability.PREAMBLE};
int[] ptr=new int[3];
Capability cap = new Capability(0); // remote capacity that we obtained. If we don't hear from remote, assume no capability
while(true) {
int ch = is.read();
if(ch==-1)
throw new EOFException("unexpected stream termination");
for(int i=0;iUsage
*
* To have a remote machine write to a local {@link OutputStream}:
*
* final OutputStream out = new RemoteOutputStream(os);
*
* channel.call(new Callable() {
* public Object call() {
* // this will write to 'os'.
* out.write(...);
* }
* });
*
*
*
* To have a local machine write to a remote {@link OutputStream}:
*
*
* OutputStream os = channel.call(new Callable() {
* public Object call() {
* OutputStream os = new FileOutputStream(...); // or any other OutputStream
* return new RemoteOutputStream(os);
* }
* });
*
*
* @see RemoteInputStream
* @author Kohsuke Kawaguchi
*/
public final class RemoteOutputStream extends OutputStream implements Serializable {
/**
* On local machine, this points to the {@link OutputStream} where
* the data will be sent ultimately.
*
* On remote machine, this points to {@link ProxyOutputStream} that
* does the network proxy.
*/
private transient OutputStream core;
public RemoteOutputStream(OutputStream core) {
if(core==null)
throw new IllegalArgumentException();
this.core = core;
}
private void writeObject(ObjectOutputStream oos) throws IOException {
int id = Channel.current().export(core,false); // this export is unexported in ProxyOutputStream.finalize()
oos.writeInt(id);
}
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
final Channel channel = Channel.current();
assert channel !=null;
this.core = new ProxyOutputStream(channel, ois.readInt());
}
private static final long serialVersionUID = 1L;
//
//
// delegation to core
//
//
public void write(int b) throws IOException {
core.write(b);
}
public void write(byte[] b) throws IOException {
core.write(b);
}
public void write(byte[] b, int off, int len) throws IOException {
core.write(b, off, len);
}
public void flush() throws IOException {
core.flush();
}
public void close() throws IOException {
core.close();
}
}
././@LongLink 0000000 0000000 0000000 00000000146 00000000000 011566 L ustar root root jenkins-remoting-2.23/src/main/java/hudson/remoting/AbstractSynchronousByteArrayCommandTransport.java jenkins-remoting-2.23/src/main/java/hudson/remoting/AbstractSynchronousByteArrayCommandTransport.jav0000644 0001750 0001750 00000003332 12122627370 034737 0 ustar jamespage jamespage package hudson.remoting;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
/**
* {@link SynchronousCommandTransport} that works with {@code byte[]} instead of command object.
*
* This base class hides away some of the {@link Command} serialization details. One less thing
* for transport implementers to worry about.
*
* @author Kohsuke Kawaguchi
* @since 2.13
*/
public abstract class AbstractSynchronousByteArrayCommandTransport extends SynchronousCommandTransport {
/**
* Read a byte[] from the underlying transport for the given channel.
*/
public abstract byte[] readBlock(Channel channel) throws IOException, ClassNotFoundException;
/**
* Writes a byte[] to the transport.
*
* The block boundary is significant. A transport needs to ensure that that the same byte[] is
* read by the peer through {@link #readBlock(Channel)} (unlike TCP, where a single write can
* be split into multiple read()s on the other side.)
*/
public abstract void writeBlock(Channel channel, byte[] payload) throws IOException;
@Override
public Command read() throws IOException, ClassNotFoundException {
return Command.readFrom(channel,new ObjectInputStreamEx(
new ByteArrayInputStream(readBlock(channel)),
channel.baseClassLoader));
}
@Override
public void write(Command cmd, boolean last) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
cmd.writeTo(channel,oos);
oos.close();
writeBlock(channel,baos.toByteArray());
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/MimicException.java 0000644 0001750 0001750 00000002302 12122627370 026734 0 ustar jamespage jamespage package hudson.remoting;
/**
* Exception that prints like the specified exception.
*
* This is used to carry the diagnostic information to the other side of the channel
* in situations where we cannot use class remoting.
*
* @author Kohsuke Kawaguchi
* @see Capability#hasMimicException()
*/
class MimicException extends Exception {
private final String className;
MimicException(Throwable cause) {
super(cause.getMessage());
className = cause.getClass().getName();
setStackTrace(cause.getStackTrace());
if (cause.getCause()!=null)
initCause(new MimicException(cause.getCause()));
}
@Override
public String toString() {
String s = className;
String message = getLocalizedMessage();
return (message != null) ? (s + ": " + message) : s;
}
public static Throwable make(Channel ch, Throwable cause) {
if (cause == null) return null;
// make sure the remoting layer of the other end supports this
if (ch.remoteCapability.hasMimicException())
return new MimicException(cause);
else
return cause;
}
private static final long serialVersionUID = 1L;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Base64.java 0000644 0001750 0001750 00000025177 12122627370 025062 0 ustar jamespage jamespage /*
* Copyright 1999-2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package hudson.remoting;
/**
* This class provides encode/decode for RFC 2045 Base64 as
* defined by RFC 2045, N. Freed and N. Borenstein.
* RFC 2045: Multipurpose Internet Mail Extensions (MIME)
* Part One: Format of Internet Message Bodies. Reference
* 1996 Available at: http://www.ietf.org/rfc/rfc2045.txt
* This class is used by XML Schema binary format validation
*
* This implementation does not encode/decode streaming
* data. You need the data that you will encode/decode
* already on a byte arrray.
*
* @xerces.internal
*
* @author Jeffrey Rodriguez
* @author Sandy Gao
* @version $Id: Base64.java,v 1.4 2007/07/19 04:38:32 ofung Exp $
*/
public final class Base64 {
static private final int BASELENGTH = 128;
static private final int LOOKUPLENGTH = 64;
static private final int TWENTYFOURBITGROUP = 24;
static private final int EIGHTBIT = 8;
static private final int SIXTEENBIT = 16;
static private final int SIXBIT = 6;
static private final int FOURBYTE = 4;
static private final int SIGN = -128;
static private final char PAD = '=';
static private final boolean fDebug = false;
static final private byte [] base64Alphabet = new byte[BASELENGTH];
static final private char [] lookUpBase64Alphabet = new char[LOOKUPLENGTH];
static {
for (int i = 0; i < BASELENGTH; ++i) {
base64Alphabet[i] = -1;
}
for (int i = 'Z'; i >= 'A'; i--) {
base64Alphabet[i] = (byte) (i-'A');
}
for (int i = 'z'; i>= 'a'; i--) {
base64Alphabet[i] = (byte) ( i-'a' + 26);
}
for (int i = '9'; i >= '0'; i--) {
base64Alphabet[i] = (byte) (i-'0' + 52);
}
base64Alphabet['+'] = 62;
base64Alphabet['/'] = 63;
for (int i = 0; i<=25; i++)
lookUpBase64Alphabet[i] = (char)('A'+i);
for (int i = 26, j = 0; i<=51; i++, j++)
lookUpBase64Alphabet[i] = (char)('a'+ j);
for (int i = 52, j = 0; i<=61; i++, j++)
lookUpBase64Alphabet[i] = (char)('0' + j);
lookUpBase64Alphabet[62] = (char)'+';
lookUpBase64Alphabet[63] = (char)'/';
}
protected static boolean isWhiteSpace(char octect) {
return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
}
protected static boolean isPad(char octect) {
return (octect == PAD);
}
protected static boolean isData(char octect) {
return (octect < BASELENGTH && base64Alphabet[octect] != -1);
}
protected static boolean isBase64(char octect) {
return (isWhiteSpace(octect) || isPad(octect) || isData(octect));
}
/**
* Encodes hex octects into Base64
*
* @param binaryData Array containing binaryData
* @return Encoded Base64 array
*/
public static String encode(byte[] binaryData) {
if (binaryData == null)
return null;
int lengthDataBits = binaryData.length*EIGHTBIT;
if (lengthDataBits == 0) {
return "";
}
int fewerThan24bits = lengthDataBits%TWENTYFOURBITGROUP;
int numberTriplets = lengthDataBits/TWENTYFOURBITGROUP;
int numberQuartet = fewerThan24bits != 0 ? numberTriplets+1 : numberTriplets;
char encodedData[] = null;
encodedData = new char[numberQuartet*4];
byte k=0, l=0, b1=0,b2=0,b3=0;
int encodedIndex = 0;
int dataIndex = 0;
if (fDebug) {
System.out.println("number of triplets = " + numberTriplets );
}
for (int i=0; i>4 ) ;
decodedData[encodedIndex++] = (byte)(((b2 & 0xf)<<4 ) |( (b3>>2) & 0xf) );
decodedData[encodedIndex++] = (byte)( b3<<6 | b4 );
}
if (!isData( (d1 = base64Data[dataIndex++]) ) ||
!isData( (d2 = base64Data[dataIndex++]) )) {
return null;//if found "no data" just return null
}
b1 = base64Alphabet[d1];
b2 = base64Alphabet[d2];
d3 = base64Data[dataIndex++];
d4 = base64Data[dataIndex++];
if (!isData( (d3 ) ) ||
!isData( (d4 ) )) {//Check if they are PAD characters
if (isPad( d3 ) && isPad( d4)) { //Two PAD e.g. 3c[Pad][Pad]
if ((b2 & 0xf) != 0)//last 4 bits should be zero
return null;
byte[] tmp = new byte[ i*3 + 1 ];
System.arraycopy( decodedData, 0, tmp, 0, i*3 );
tmp[encodedIndex] = (byte)( b1 <<2 | b2>>4 ) ;
return tmp;
} else if (!isPad( d3) && isPad(d4)) { //One PAD e.g. 3cQ[Pad]
b3 = base64Alphabet[ d3 ];
if ((b3 & 0x3 ) != 0)//last 2 bits should be zero
return null;
byte[] tmp = new byte[ i*3 + 2 ];
System.arraycopy( decodedData, 0, tmp, 0, i*3 );
tmp[encodedIndex++] = (byte)( b1 <<2 | b2>>4 );
tmp[encodedIndex] = (byte)(((b2 & 0xf)<<4 ) |( (b3>>2) & 0xf) );
return tmp;
} else {
return null;//an error like "3c[Pad]r", "3cdX", "3cXd", "3cXX" where X is non data
}
} else { //No PAD e.g 3cQl
b3 = base64Alphabet[ d3 ];
b4 = base64Alphabet[ d4 ];
decodedData[encodedIndex++] = (byte)( b1 <<2 | b2>>4 ) ;
decodedData[encodedIndex++] = (byte)(((b2 & 0xf)<<4 ) |( (b3>>2) & 0xf) );
decodedData[encodedIndex++] = (byte)( b3<<6 | b4 );
}
return decodedData;
}
/**
* remove WhiteSpace from MIME containing encoded Base64 data.
*
* @param data the byte array of base64 data (with WS)
* @return the new length
*/
protected static int removeWhiteSpace(char[] data) {
if (data == null)
return 0;
// count characters that's not whitespace
int newSize = 0;
int len = data.length;
for (int i = 0; i < len; i++) {
if (!isWhiteSpace(data[i]))
data[newSize++] = data[i];
}
return newSize;
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/CallableFilter.java 0000644 0001750 0001750 00000001035 12122627370 026666 0 ustar jamespage jamespage package hudson.remoting;
/**
* Decorator on {@code Callable.call()} to filter the execution.
*
* @author Kohsuke Kawaguchi
*/
public interface CallableFilter {
/**
* This implementation should normally look something like this:
*
*
*/
V call(java.util.concurrent.Callable callable) throws Exception;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Engine.java 0000644 0001750 0001750 00000032444 12122627370 025236 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ByteArrayOutputStream;
import java.net.HttpURLConnection;
import java.net.Socket;
import java.net.URL;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.List;
import java.util.Collections;
import java.util.logging.Logger;
/**
* Slave agent engine that proactively connects to Hudson master.
*
* @author Kohsuke Kawaguchi
*/
public class Engine extends Thread {
/**
* Thread pool that sets {@link #CURRENT}.
*/
private final ExecutorService executor = Executors.newCachedThreadPool(new ThreadFactory() {
private final ThreadFactory defaultFactory = Executors.defaultThreadFactory();
public Thread newThread(final Runnable r) {
return defaultFactory.newThread(new Runnable() {
public void run() {
CURRENT.set(Engine.this);
r.run();
}
});
}
});
public final EngineListener listener;
/**
* To make Hudson more graceful against user error,
* JNLP agent can try to connect to multiple possible Hudson URLs.
* This field specifies those candidate URLs, such as
* "http://foo.bar/hudson/".
*/
private List candidateUrls;
/**
* URL that points to Hudson's tcp slage agent listener, like http://myhost/hudson/
*
*
* This value is determined from {@link #candidateUrls} after a successful connection.
* Note that this URL DOES NOT have "tcpSlaveAgentListener" in it.
*/
private URL hudsonUrl;
private final String secretKey;
public final String slaveName;
private String credentials;
/**
* See Main#tunnel in the jnlp-agent module for the details.
*/
private String tunnel;
private boolean noReconnect;
/**
* This cookie identifiesof the current connection, allowing us to force the server to drop
* the client if we initiate a reconnection from our end (even when the server still thinks
* the connection is alive.)
*/
private String cookie;
public Engine(EngineListener listener, List hudsonUrls, String secretKey, String slaveName) {
this.listener = listener;
this.candidateUrls = hudsonUrls;
this.secretKey = secretKey;
this.slaveName = slaveName;
if(candidateUrls.isEmpty())
throw new IllegalArgumentException("No URLs given");
}
public URL getHudsonUrl() {
return hudsonUrl;
}
public void setTunnel(String tunnel) {
this.tunnel = tunnel;
}
public void setCredentials(String creds) {
this.credentials = creds;
}
public void setNoReconnect(boolean noReconnect) {
this.noReconnect = noReconnect;
}
@SuppressWarnings({"ThrowableInstanceNeverThrown"})
@Override
public void run() {
try {
boolean first = true;
while(true) {
if(first) {
first = false;
} else {
if(noReconnect)
return; // exit
}
listener.status("Locating server among " + candidateUrls);
Throwable firstError=null;
String port=null;
for (URL url : candidateUrls) {
String s = url.toExternalForm();
if(!s.endsWith("/")) s+='/';
URL salURL = new URL(s+"tcpSlaveAgentListener/");
// find out the TCP port
HttpURLConnection con = (HttpURLConnection)salURL.openConnection();
if (con instanceof HttpURLConnection && credentials != null) {
// XXX /tcpSlaveAgentListener is unprotected so why do we need to pass any credentials?
String encoding = Base64.encode(credentials.getBytes());
con.setRequestProperty("Authorization", "Basic " + encoding);
}
try {
try {
con.setConnectTimeout(30000);
con.setReadTimeout(60000);
con.connect();
} catch (IOException x) {
if (firstError == null) {
firstError = new IOException("Failed to connect to " + salURL + ": " + x.getMessage()).initCause(x);
}
continue;
}
port = con.getHeaderField("X-Hudson-JNLP-Port");
if(con.getResponseCode()!=200) {
if(firstError==null)
firstError = new Exception(salURL+" is invalid: "+con.getResponseCode()+" "+con.getResponseMessage());
continue;
}
if(port ==null) {
if(firstError==null)
firstError = new Exception(url+" is not Jenkins");
continue;
}
} finally {
con.disconnect();
}
// this URL works. From now on, only try this URL
hudsonUrl = url;
firstError = null;
candidateUrls = Collections.singletonList(hudsonUrl);
break;
}
if(firstError!=null) {
listener.error(firstError);
return;
}
Socket s = connect(port);
listener.status("Handshaking");
DataOutputStream dos = new DataOutputStream(s.getOutputStream());
BufferedInputStream in = new BufferedInputStream(s.getInputStream());
dos.writeUTF("Protocol:JNLP2-connect");
Properties props = new Properties();
props.put("Secret-Key", secretKey);
props.put("Node-Name", slaveName);
if (cookie!=null)
props.put("Cookie", cookie);
ByteArrayOutputStream o = new ByteArrayOutputStream();
props.store(o, null);
dos.writeUTF(o.toString("UTF-8"));
String greeting = readLine(in);
if (greeting.startsWith("Unknown protocol")) {
LOGGER.info("The server didn't understand the v2 handshake. Falling back to v1 handshake");
s.close();
s = connect(port);
in = new BufferedInputStream(s.getInputStream());
dos = new DataOutputStream(s.getOutputStream());
dos.writeUTF("Protocol:JNLP-connect");
dos.writeUTF(secretKey);
dos.writeUTF(slaveName);
greeting = readLine(in); // why, oh why didn't I use DataOutputStream when writing to the network?
if (!greeting.equals(GREETING_SUCCESS)) {
onConnectionRejected(greeting);
continue;
}
} else {
if (greeting.equals(GREETING_SUCCESS)) {
Properties responses = readResponseHeaders(in);
cookie = responses.getProperty("Cookie");
} else {
onConnectionRejected(greeting);
continue;
}
}
final Channel channel = new Channel("channel", executor,
in,
new BufferedOutputStream(s.getOutputStream()));
listener.status("Connected");
channel.join();
listener.status("Terminated");
listener.onDisconnect();
if(noReconnect)
return; // exit
// try to connect back to the server every 10 secs.
waitForServerToBack();
}
} catch (Throwable e) {
listener.error(e);
}
}
private void onConnectionRejected(String greeting) throws InterruptedException {
listener.error(new Exception("The server rejected the connection: "+greeting));
Thread.sleep(10*1000);
}
private Properties readResponseHeaders(BufferedInputStream in) throws IOException {
Properties response = new Properties();
while (true) {
String line = readLine(in);
if (line.length()==0)
return response;
int idx = line.indexOf(':');
response.put(line.substring(0,idx).trim(), line.substring(idx+1).trim());
}
}
/**
* Read until '\n' and returns it as a string.
*/
private static String readLine(InputStream in) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while (true) {
int ch = in.read();
if (ch<0 || ch=='\n')
return baos.toString().trim(); // trim off possible '\r'
baos.write(ch);
}
}
/**
* Connects to TCP slave port, with a few retries.
*/
private Socket connect(String port) throws IOException, InterruptedException {
String host = this.hudsonUrl.getHost();
if(tunnel!=null) {
String[] tokens = tunnel.split(":",3);
if(tokens.length!=2)
throw new IOException("Illegal tunneling parameter: "+tunnel);
if(tokens[0].length()>0) host = tokens[0];
if(tokens[1].length()>0) port = tokens[1];
}
String msg = "Connecting to " + host + ':' + port;
listener.status(msg);
int retry = 1;
while(true) {
try {
Socket s = new Socket(host, Integer.parseInt(port));
s.setTcpNoDelay(true); // we'll do buffering by ourselves
// set read time out to avoid infinite hang. the time out should be long enough so as not
// to interfere with normal operation. the main purpose of this is that when the other peer dies
// abruptly, we shouldn't hang forever, and at some point we should notice that the connection
// is gone.
s.setSoTimeout(30*60*1000); // 30 mins. See PingThread for the ping interval
return s;
} catch (IOException e) {
if(retry++>10)
throw (IOException)new IOException("Failed to connect to "+host+':'+port).initCause(e);
Thread.sleep(1000*10);
listener.status(msg+" (retrying:"+retry+")",e);
}
}
}
/**
* Waits for the server to come back.
*/
private void waitForServerToBack() throws InterruptedException {
while(true) {
Thread.sleep(1000*10);
try {
// Hudson top page might be read-protected. see http://www.nabble.com/more-lenient-retry-logic-in-Engine.waitForServerToBack-td24703172.html
HttpURLConnection con = (HttpURLConnection)new URL(hudsonUrl,"tcpSlaveAgentListener/").openConnection();
con.connect();
if(con.getResponseCode()==200)
return;
} catch (IOException e) {
// retry
}
}
}
/**
* When invoked from within remoted {@link Callable} (that is,
* from the thread that carries out the remote requests),
* this method returns the {@link Engine} in which the remote operations
* run.
*/
public static Engine current() {
return CURRENT.get();
}
private static final ThreadLocal CURRENT = new ThreadLocal();
private static final Logger LOGGER = Logger.getLogger(Engine.class.getName());
public static final String GREETING_SUCCESS = "Welcome";
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/AsyncFutureImpl.java 0000644 0001750 0001750 00000006663 12122627370 027127 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.CancellationException;
/**
* {@link Future} implementation whose computation is carried out elsewhere.
*
* Call the {@link #set(Object)} method or {@link #set(Throwable)} method to set the value to the future.
*
* @author Kohsuke Kawaguchi
*/
public class AsyncFutureImpl implements Future {
/**
* Setting this field to true will indicate that the computation is completed.
*
*
* One of the following three fields also needs to be set at the same time.
*/
private boolean completed;
private V value;
private Throwable problem;
private boolean cancelled;
public AsyncFutureImpl() {}
public AsyncFutureImpl(V value) {
set(value);
}
public AsyncFutureImpl(Throwable value) {
set(value);
}
public boolean cancel(boolean mayInterruptIfRunning) {
return false;
}
public boolean isCancelled() {
return cancelled;
}
public synchronized boolean isDone() {
return completed;
}
public synchronized V get() throws InterruptedException, ExecutionException {
while(!completed)
wait();
if(problem!=null)
throw new ExecutionException(problem);
if(cancelled)
throw new CancellationException();
return value;
}
public synchronized V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
if(!completed)
wait(unit.toMillis(timeout));
if(!completed)
throw new TimeoutException();
if(cancelled)
throw new CancellationException();
return get();
}
public synchronized void set(V value) {
completed = true;
this.value = value;
notifyAll();
}
public synchronized void set(Throwable problem) {
completed = true;
this.problem = problem;
notifyAll();
}
/**
* Marks this task as cancelled.
*/
public synchronized void setAsCancelled() {
completed = true;
cancelled = true;
notifyAll();
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/IChannel.java 0000644 0001750 0001750 00000002737 12122627370 025514 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
/**
* Internally used to mark methods on {@link Channel} that are exported to remote.
*
*
* Behaviors of the methods are explained in {@link Channel}.
*
* @author Kohsuke Kawaguchi
*/
interface IChannel {
Object getProperty(Object key);
Object waitForProperty(Object key) throws InterruptedException;
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/ProxyWriter.java 0000644 0001750 0001750 00000012506 12122627370 026344 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
/**
* {@link Writer} that sends bits to an exported
* {@link Writer} on a remote machine.
*/
final class ProxyWriter extends Writer {
private Channel channel;
private int oid;
/**
* If bytes are written to this stream before it's connected
* to a remote object, bytes will be stored in this buffer.
*/
private CharArrayWriter tmp;
/**
* Set to true if the stream is closed.
*/
private boolean closed;
/**
* Creates unconnected {@link ProxyWriter}.
* The returned stream accepts data right away, and
* when it's {@link #connect(Channel,int) connected} later,
* the data will be sent at once to the remote stream.
*/
public ProxyWriter() {
}
/**
* Creates an already connected {@link ProxyWriter}.
*
* @param oid
* The object id of the exported {@link OutputStream}.
*/
public ProxyWriter(Channel channel, int oid) throws IOException {
connect(channel,oid);
}
/**
* Connects this stream to the specified remote object.
*/
synchronized void connect(Channel channel, int oid) throws IOException {
if(this.channel!=null)
throw new IllegalStateException("Cannot connect twice");
this.channel = channel;
this.oid = oid;
// if we already have bytes to write, do so now.
if(tmp!=null) {
write(tmp.toCharArray());
tmp = null;
}
if(closed) // already marked closed?
close();
}
public void write(int c) throws IOException {
write(new char[]{(char)c},0,1);
}
public void write(char[] cbuf, int off, int len) throws IOException {
if(closed)
throw new IOException("stream is already closed");
if(off==0 && len==cbuf.length)
write(cbuf);
else {
char[] buf = new char[len];
System.arraycopy(cbuf,off,buf,0,len);
write(buf);
}
}
public synchronized void write(char[] cbuf) throws IOException {
if(closed)
throw new IOException("stream is already closed");
if(channel==null) {
if(tmp==null)
tmp = new CharArrayWriter();
tmp.write(cbuf);
} else {
channel.send(new Chunk(oid,cbuf));
}
}
public void flush() throws IOException {
// noop
}
public synchronized void close() throws IOException {
closed = true;
if(channel!=null) {
channel.send(new EOF(oid));
channel = null;
oid = -1;
}
}
protected void finalize() throws Throwable {
super.finalize();
close();
}
/**
* {@link Command} for sending bytes.
*/
private static final class Chunk extends Command {
private final int oid;
private final char[] buf;
public Chunk(int oid, char[] buf) {
this.oid = oid;
this.buf = buf;
}
protected void execute(Channel channel) {
Writer os = (Writer) channel.getExportedObject(oid);
try {
os.write(buf);
} catch (IOException e) {
// ignore errors
}
}
public String toString() {
return "Pipe.Chunk("+oid+","+buf.length+")";
}
private static final long serialVersionUID = 1L;
}
/**
* {@link Command} for sending EOF.
*/
private static final class EOF extends Command {
private final int oid;
public EOF(int oid) {
this.oid = oid;
}
protected void execute(Channel channel) {
OutputStream os = (OutputStream) channel.getExportedObject(oid);
channel.unexport(oid);
try {
os.close();
} catch (IOException e) {
// ignore errors
}
}
public String toString() {
return "Pipe.EOF("+oid+")";
}
private static final long serialVersionUID = 1L;
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/LocalChannel.java 0000644 0001750 0001750 00000006641 12122627370 026354 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* {@link VirtualChannel} that performs computation on the local JVM.
*
* @author Kohsuke Kawaguchi
*/
public class LocalChannel implements VirtualChannel {
private final ExecutorService executor;
public LocalChannel(ExecutorService executor) {
this.executor = executor;
}
public V call(Callable callable) throws T {
return callable.call();
}
public Future callAsync(final Callable callable) throws IOException {
final java.util.concurrent.Future f = executor.submit(new java.util.concurrent.Callable() {
public V call() throws Exception {
try {
return callable.call();
} catch (Exception t) {
throw t;
} catch (Error t) {
throw t;
} catch (Throwable t) {
throw new ExecutionException(t);
}
}
});
return new Future() {
public boolean cancel(boolean mayInterruptIfRunning) {
return f.cancel(mayInterruptIfRunning);
}
public boolean isCancelled() {
return f.isCancelled();
}
public boolean isDone() {
return f.isDone();
}
public V get() throws InterruptedException, ExecutionException {
return f.get();
}
public V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
return f.get(timeout,unit);
}
};
}
public void close() {
// noop
}
public void join() throws InterruptedException {
// noop
}
public void join(long timeout) throws InterruptedException {
// noop
}
public T export(Class intf, T instance) {
return instance;
}
public void syncLocalIO() throws InterruptedException {
// noop
}
}
jenkins-remoting-2.23/src/main/java/hudson/remoting/Channel.java 0000644 0001750 0001750 00000136517 12122627370 025407 0 ustar jamespage jamespage /*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.remoting;
import edu.umd.cs.findbugs.annotations.SuppressWarnings;
import hudson.remoting.CommandTransport.CommandReceiver;
import hudson.remoting.ExportTable.ExportList;
import hudson.remoting.PipeWindow.Key;
import hudson.remoting.PipeWindow.Real;
import hudson.remoting.forward.ListeningPort;
import hudson.remoting.forward.ForwarderFactory;
import hudson.remoting.forward.PortForwarder;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.lang.ref.WeakReference;
import java.util.Collections;
import java.util.Hashtable;
import java.util.Map;
import java.util.Vector;
import java.util.WeakHashMap;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.net.URL;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* Represents a communication channel to the remote peer.
*
*
* A {@link Channel} is a mechanism for two JVMs to communicate over
* bi-directional {@link InputStream}/{@link OutputStream} pair.
* {@link Channel} represents an endpoint of the stream, and thus
* two {@link Channel}s are always used in a pair.
*
*
* Communication is established as soon as two {@link Channel} instances
* are created at the end fo the stream pair
* until the stream is terminated via {@link #close()}.
*
*
* The basic unit of remoting is an executable {@link Callable} object.
* An application can create a {@link Callable} object, and execute it remotely
* by using the {@link #call(Callable)} method or {@link #callAsync(Callable)} method.
*
*
* In this sense, {@link Channel} is a mechanism to delegate/offload computation
* to other JVMs and somewhat like an agent system. This is bit different from
* remoting technologies like CORBA or web services, where the server exposes a
* certain functionality that clients invoke.
*
*
* {@link Callable} object, as well as the return value / exceptions,
* are transported by using Java serialization. All the necessary class files
* are also shipped over {@link Channel} on-demand, so there's no need to
* pre-deploy such classes on both JVMs.
*
*
*
Implementor's Note
*
* {@link Channel} builds its features in a layered model. Its higher-layer
* features are built on top of its lower-layer features, and they
* are called layer-0, layer-1, etc.
*
*
*
* Layer 0:
* See {@link Command} for more details. This is for higher-level features,
* and not likely useful for applications directly.
*
* Layer 1:
* See {@link Request} for more details. This is for higher-level features,
* and not likely useful for applications directly.
*
*
* @author Kohsuke Kawaguchi
*/
public class Channel implements VirtualChannel, IChannel, Closeable {
private final CommandTransport transport;
/**
* {@link OutputStream} that's given to the constructor. This is the hand-off with the lower layer.
*
* @deprecated
* See {@link #getUnderlyingOutput()}.
*/
private final OutputStream underlyingOutput;
/**
* Human readable description of where this channel is connected to. Used during diagnostic output
* and error reports.
*/
private final String name;
private volatile boolean isRestricted;
/*package*/ final InterceptingExecutorService executor;
/**
* If non-null, the incoming link is already shut down,
* and reader is already terminated. The {@link Throwable} object indicates why the outgoing channel
* was closed.
*/
private volatile Throwable inClosed = null;
/**
* If non-null, the outgoing link is already shut down,
* and no command can be sent. The {@link Throwable} object indicates why the outgoing channel
* was closed.
*/
private volatile Throwable outClosed = null;
/**
* Requests that are sent to the remote side for execution, yet we are waiting locally until
* we hear back their responses.
*/
/*package*/ final Map> pendingCalls = new Hashtable>();
/**
* Remembers last I/O ID issued from locally to the other side, per thread.
* int[1] is used as a holder of int.
*/
private final ThreadLocal lastIoId = new ThreadLocal() {
@Override
protected int[] initialValue() {
return new int[1];
}
};
/**
* Records the {@link Request}s being executed on this channel, sent by the remote peer.
*/
/*package*/ final Map> executingCalls =
Collections.synchronizedMap(new Hashtable>());
/**
* {@link ClassLoader}s that are proxies of the remote classloaders.
*/
/*package*/ final ImportedClassLoaderTable importedClassLoaders = new ImportedClassLoaderTable(this);
/**
* Objects exported via {@link #export(Class, Object)}.
*/
/*package (for test)*/ final ExportTable