netty-关闭应用程序

package org.q.netty.time3;

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.ChannelFactory;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.ChannelGroupFuture;
import org.jboss.netty.channel.group.DefaultChannelGroup;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
  
public class TimeServer {
	
	static final ChannelGroup allChannels = new DefaultChannelGroup("time-server");
	
	public static void main(String[] args) {
		ChannelFactory factory = new NioServerSocketChannelFactory(Executors.newCachedThreadPool(), Executors.newCachedThreadPool());
		ServerBootstrap bootstrap = new ServerBootstrap(factory);
		bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
			
			public ChannelPipeline getPipeline() throws Exception {
				return Channels.pipeline(new TimeEncoder(), new TimeServerHandler());
			}
		});
		
		bootstrap.setOption("child.tcpNoDelay", true);
		bootstrap.setOption("child.keepAlive", true);
		
		Channel channel = bootstrap.bind(new InetSocketAddress(9999));
		allChannels.add(channel);
		//找不到这个方法
//		waitForShutdownCommand();
		//关闭ChannelGroup中的所有Channel
		ChannelGroupFuture future = allChannels.close();
        future.awaitUninterruptibly();
        factory.releaseExternalResources();
	}

}

package org.q.netty.time3;

import java.net.InetSocketAddress;
import java.util.concurrent.Executors;

import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;

public class TimeClient {

	private static final String host = "127.0.0.1";
	private static final int port = 9999;
	
	public static void main(String[] args) {
		ChannelFactory factory = new NioClientSocketChannelFactory(Executors.newCachedThreadPool(), Executors.newCachedThreadPool());
		ClientBootstrap bootstrap = new ClientBootstrap(factory);
		bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
			public ChannelPipeline getPipeline() throws Exception {
				return Channels.pipeline(new TimeDecoder(), new TimeClientHandler());
			}
		});
		bootstrap.setOption("tcpNoDelay", true);
		bootstrap.setOption("keepAlive", true);
		//连接无论成功还是失败都会返回ChannelFuture
		ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
		
		//如果操作被中断,等待future完成
		future.awaitUninterruptibly();
        if (!future.isSuccess()) {
            future.getCause().printStackTrace();
        }
        //获取channel关闭时被唤醒的ChannelFuture
        //无论future是否成功都会返回CloseFuture，失败的时候会自动关闭Channel
        future.getChannel().getCloseFuture().awaitUninterruptibly();
        factory.releaseExternalResources();
	}
}