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/*
* Copyright 2010 Anton Tananaev (anton@tananaev.com)
*
* 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 net.sourceforge.opentracking;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.DefaultChannelGroup;
import org.jboss.netty.channel.group.ChannelGroupFuture;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.ChannelPipelineCoverage;
/**
* Tracker server
*/
public class TrackerServer extends ServerBootstrap {
/**
* Open channel handler
*/
@ChannelPipelineCoverage("all")
protected class OpenChannelHandler extends SimpleChannelHandler {
TrackerServer server;
public OpenChannelHandler(TrackerServer newServer) {
server = newServer;
}
@Override
public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) {
server.getChannelGroup().add(e.getChannel());
}
}
/**
* Initialization
*/
private void init(Integer port, Integer threadPoolSize) {
setPort(port);
// Create channel factory
setFactory(new NioServerSocketChannelFactory(
Executors.newFixedThreadPool(threadPoolSize),
Executors.newFixedThreadPool(threadPoolSize)));
// Add open channel handler
getPipeline().addLast("openHandler", new OpenChannelHandler(this));
}
public TrackerServer(Integer port) {
init(port, 1);
}
/**
* Server port
*/
private Integer port;
public Integer getPort() {
return port;
}
private void setPort(Integer newPort) {
port = newPort;
}
/**
* Opened channels
*/
private ChannelGroup allChannels = new DefaultChannelGroup();
public ChannelGroup getChannelGroup() {
return allChannels;
}
/**
* Start server
*/
public void start() {
Channel channel = bind(new InetSocketAddress(getPort()));
getChannelGroup().add(channel);
}
/**
* Stop server
*/
public void stop() {
ChannelGroupFuture future = getChannelGroup().close();
future.awaitUninterruptibly();
getFactory().releaseExternalResources();
}
}
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