/*
* JBoss, Home of Professional Open Source
*
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @author tags. See the COPYRIGHT.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.netty.channel.socket.http;
import static org.jboss.netty.channel.Channels.*;
import java.net.SocketAddress;
import java.util.concurrent.Executor;
import org.jboss.netty.channel.AbstractChannelSink;
import org.jboss.netty.channel.ChannelEvent;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelFutureListener;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelState;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.util.ThreadRenamingRunnable;
/**
* @author The Netty Project (netty-dev@lists.jboss.org)
* @author Andy Taylor (andy.taylor@jboss.org)
* @version $Rev: 988 $, $Date: 2009-03-04 23:30:47 +0900 (Wed, 04 Mar 2009) $
*/
final class HttpTunnelingClientSocketPipelineSink extends AbstractChannelSink {
static final String LINE_TERMINATOR = "\r\n";
private final Executor workerExecutor;
HttpTunnelingClientSocketPipelineSink(Executor workerExecutor) {
this.workerExecutor = workerExecutor;
}
public void eventSunk(
ChannelPipeline pipeline, ChannelEvent e) throws Exception {
HttpTunnelingClientSocketChannel channel = (HttpTunnelingClientSocketChannel) e.getChannel();
ChannelFuture future = e.getFuture();
if (e instanceof ChannelStateEvent) {
ChannelStateEvent stateEvent = (ChannelStateEvent) e;
ChannelState state = stateEvent.getState();
Object value = stateEvent.getValue();
switch (state) {
case OPEN:
if (Boolean.FALSE.equals(value)) {
HttpTunnelWorker.close(channel, future);
}
break;
case BOUND:
if (value != null) {
bind(channel, future, (SocketAddress) value);
} else {
HttpTunnelWorker.close(channel, future);
}
break;
case CONNECTED:
if (value != null) {
connect(channel, future, (HttpTunnelAddress) value);
} else {
HttpTunnelWorker.close(channel, future);
}
break;
case INTEREST_OPS:
HttpTunnelWorker.setInterestOps(channel, future, ((Integer) value).intValue());
break;
}
} else if (e instanceof MessageEvent) {
HttpTunnelWorker.write(
channel, future,
((MessageEvent) e).getMessage());
}
}
private void bind(
HttpTunnelingClientSocketChannel channel, ChannelFuture future,
SocketAddress localAddress) {
try {
channel.bindSocket(localAddress);
future.setSuccess();
fireChannelBound(channel, channel.getLocalAddress());
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
}
}
private void connect(
HttpTunnelingClientSocketChannel channel, ChannelFuture future,
HttpTunnelAddress remoteAddress) {
boolean bound = channel.isBound();
boolean connected = false;
boolean workerStarted = false;
future.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
try {
channel.connectAndSendHeaders(false, remoteAddress);
// Fire events.
future.setSuccess();
if (!bound) {
fireChannelBound(channel, channel.getLocalAddress());
}
fireChannelConnected(channel, channel.getRemoteAddress());
// Start the business.
workerExecutor.execute(new ThreadRenamingRunnable(
new HttpTunnelWorker(channel),
"Old I/O client worker (channelId: " + channel.getId() + ", " +
channel.getLocalAddress() + " => " +
channel.getRemoteAddress() + ')'));
workerStarted = true;
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
} finally {
if (connected && !workerStarted) {
HttpTunnelWorker.close(channel, future);
}
}
}
}