/**
* Creates a new channel.
*
* @param name See {@link #Channel(String, ExecutorService, Mode, InputStream, OutputStream,
* OutputStream, boolean, ClassLoader)}
* @param exec See {@link #Channel(String, ExecutorService, Mode, InputStream, OutputStream,
* OutputStream, boolean, ClassLoader)}
* @param transport The transport that we run {@link Channel} on top of.
* @param base See {@link #Channel(String, ExecutorService, Mode, InputStream, OutputStream,
* OutputStream, boolean, ClassLoader)}
* @param restricted See {@link #Channel(String, ExecutorService, Mode, InputStream, OutputStream,
* OutputStream, boolean, ClassLoader)}
* @since 2.13
*/
public Channel(
String name,
ExecutorService exec,
CommandTransport transport,
boolean restricted,
ClassLoader base)
throws IOException {
this.name = name;
this.executor = new InterceptingExecutorService(exec);
this.isRestricted = restricted;
this.underlyingOutput = transport.getUnderlyingStream();
if (base == null) base = getClass().getClassLoader();
this.baseClassLoader = base;
if (export(this, false) != 1)
throw new AssertionError(); // export number 1 is reserved for the channel itself
remoteChannel = RemoteInvocationHandler.wrap(this, 1, IChannel.class, true, false);
this.remoteCapability = transport.getRemoteCapability();
this.pipeWriter = new PipeWriter(createPipeWriterExecutor());
this.transport = transport;
transport.setup(
this,
new CommandReceiver() {
public void handle(Command cmd) {
lastHeard = System.currentTimeMillis();
if (logger.isLoggable(Level.FINE)) logger.fine("Received " + cmd);
try {
cmd.execute(Channel.this);
} catch (Throwable t) {
logger.log(
Level.SEVERE,
"Failed to execute command " + cmd + " (channel " + Channel.this.name + ")",
t);
logger.log(Level.SEVERE, "This command is created here", cmd.createdAt);
}
}
public void terminate(IOException e) {
Channel.this.terminate(e);
}
});
}
/*package*/ Channel(ChannelBuilder settings, CommandTransport transport) throws IOException {
this.name = settings.getName();
this.executor = new InterceptingExecutorService(settings.getExecutors());
this.isRestricted = settings.isRestricted();
this.underlyingOutput = transport.getUnderlyingStream();
this.jarCache = settings.getJarCache();
this.baseClassLoader = settings.getBaseLoader();
if (export(this, false) != 1)
throw new AssertionError(); // export number 1 is reserved for the channel itself
remoteChannel = RemoteInvocationHandler.wrap(this, 1, IChannel.class, true, false);
this.remoteCapability = transport.getRemoteCapability();
this.pipeWriter = new PipeWriter(createPipeWriterExecutor());
this.transport = transport;
this.jarLoader =
new JarLoaderImpl(); // TODO: figure out a mechanism to allow the user to share this across
// Channels
setProperty(JarLoader.OURS, export(JarLoader.class, jarLoader, false));
transport.setup(
this,
new CommandReceiver() {
public void handle(Command cmd) {
lastHeard = System.currentTimeMillis();
if (logger.isLoggable(Level.FINE)) logger.fine("Received " + cmd);
try {
cmd.execute(Channel.this);
} catch (Throwable t) {
logger.log(
Level.SEVERE,
"Failed to execute command " + cmd + " (channel " + Channel.this.name + ")",
t);
logger.log(Level.SEVERE, "This command is created here", cmd.createdAt);
}
}
public void terminate(IOException e) {
Channel.this.terminate(e);
}
});
}
