/**
* Helios, OpenSource Monitoring
* Brought to you by the Helios Development Group
*
* Copyright 2007, Helios Development Group and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.helios.netty.examples;
import java.net.InetSocketAddress;
import java.util.Date;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import org.jboss.netty.handler.codec.serialization.ClassResolvers;
import org.jboss.netty.handler.codec.serialization.ObjectDecoder;
import org.jboss.netty.handler.codec.serialization.ObjectEncoder;
import org.jboss.netty.logging.JdkLoggerFactory;
/**
* <p>Title: DateSender</p>
* <p>Description: Simple DateSender example for tutorial</p>
* <p>Company: Helios Development Group LLC</p>
* @author Whitehead (nwhitehead AT heliosdev DOT org)
* <p><code>org.helios.netty.examples.DateSender</code></p>
*/
public class DateSender {
/**
* @param args
*/
public static void main(String[] args) {
bootServer();
clog("DateSender Example");
try {
Executor bossPool = Executors.newCachedThreadPool();
Executor workerPool = Executors.newCachedThreadPool();
final ChannelFactory channelFactory = new NioClientSocketChannelFactory(bossPool, workerPool);
ChannelPipelineFactory pipelineFactory = new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() throws Exception {
return Channels.pipeline(
new ObjectEncoder()
);
}
};
ClientBootstrap bootstrap = new ClientBootstrap(channelFactory);
bootstrap.setPipelineFactory(pipelineFactory);
// Phew. Ok. We built all that. Now what ?
InetSocketAddress addressToConnectTo = new InetSocketAddress("localhost", 8080);
//ChannelFuture cf = bootstrap.connect(addressToConnectTo);
clog("Issuing Channel Connect...");
// Waiting on a connect. (Pick one)
ChannelFuture cf = bootstrap.connect(addressToConnectTo);
// wait interruptibly
// cf.await();
// wait interruptibly with a timeout of 2000 ms.
// cf.await(2000, TimeUnit.MILLISECONDS);
// wait uninterruptibly
clog("Waiting for Channel Connect...");
cf.awaitUninterruptibly();
// wait uninterruptibly with a timeout of 2000 ms.
// cf.awaitUninterruptibly(2000, TimeUnit.MILLISECONDS);
// add a ChannelFutureListener that writes the Date when the connect is complete
// cf.addListener(new ChannelFutureListener(){
// public void operationComplete(ChannelFuture future) throws Exception {
// // chek to see if we succeeded
// if(future.isSuccess()) {
// Channel channel = future.getChannel();
// channel.write(new Date());
// // remember, the write is asynchronous too !
// }
// }
// });
// if a wait option was selected and the connect did not fail,
// the Date can now be sent.
clog("Connected. Sending Date");
Channel channel = cf.getChannel();
channel.write(new Date());
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
public static void clog(Object msg) {
System.out.println("[Client]:" + msg);
}
public static void slog(Object msg) {
System.out.println("[Server]:" + msg);
}
public static void bootServer() {
// More terse code to setup the server
ServerBootstrap bootstrap = new ServerBootstrap(
new NioServerSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
// Set up the pipeline factory.
bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() throws Exception {
return Channels.pipeline(
new ObjectDecoder(ClassResolvers.cacheDisabled(getClass().getClassLoader())),
new SimpleChannelHandler() {
public void messageReceived(ChannelHandlerContext ctx,MessageEvent e) throws Exception {
Date date = (Date)e.getMessage();
slog("Hey Guys ! I got a date ! [" + date + "]");
super.messageReceived(ctx, e);
}
}
);
};
});
// Bind and start to accept incoming connections.
bootstrap.bind(new InetSocketAddress("0.0.0.0", 8080));
slog("Listening on 8080");
}
}