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jboss netty 框架小试
1.server
package example.helloword.server;

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

import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;

import example.helloword.NetConstant;

public class Server
{
    private static Server server = new Server();
    
    private ServerBootstrap bootstrap;
    
    private Server()
    {}
    
    public static Server getInstance()
    {
        return server;
    }
    
    public void start()
    {
        bootstrap = new ServerBootstrap(new NioServerSocketChannelFactory(
                Executors.newCachedThreadPool(), Executors
                        .newCachedThreadPool()));
        bootstrap.setPipelineFactory(new ServerPipelineFactory());
        bootstrap.bind(new InetSocketAddress(NetConstant.server_port));
    }
    
    public void stop()
    {
        bootstrap.releaseExternalResources();
    }
    
    public static void main(String[] args)
    {
        Server server = Server.getInstance();
        server.start();
    }
}
2.ServerPipelineFactory
package example.helloword.server;

import static org.jboss.netty.channel.Channels.pipeline;

import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.handler.codec.string.StringDecoder;
import org.jboss.netty.handler.codec.string.StringEncoder;

public class ServerPipelineFactory implements ChannelPipelineFactory
{
    public ChannelPipeline getPipeline() throws Exception
    {
        ChannelPipeline pipleline = pipeline();
        pipleline.addLast("encode", new StringEncoder());
        pipleline.addLast("decode", new StringDecoder());
        pipleline.addLast("handler", new ServerHandler());
        return pipleline;
    }
}
3.handle
package example.helloword.server;

import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ExceptionEvent;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;

public class ServerHandler extends SimpleChannelUpstreamHandler
{
    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
            throws Exception
    {
        System.out.println("recive message,message content:" + e.getMessage());
        e.getChannel().write("byte");
        
    }
    
    public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e)
            throws Exception
    {
        e.getChannel().close();
    }
}
clinet:
package example.helloword.client22;

import static org.jboss.netty.channel.Channels.pipeline;

import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
import org.jboss.netty.handler.codec.frame.LengthFieldPrepender;
import org.jboss.netty.handler.codec.string.StringDecoder;
import org.jboss.netty.handler.codec.string.StringEncoder;

public class ClientPipelineFactory implements ChannelPipelineFactory
{
    public ChannelPipeline getPipeline() throws Exception
    {
        ChannelPipeline pipleline = pipeline();  
        pipleline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));  
        pipleline.addLast("frameEncode", new LengthFieldPrepender(4, false));
        pipleline.addLast("encode", new StringEncoder());  
        pipleline.addLast("decode", new StringDecoder());  
        pipleline.addLast("handler", new ClinetHandler());  
        return pipleline;  
    }
}
clientpool:
package example.helloword.client22;

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

import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;

import example.helloword.NetConstant;
import example.helloword.client2.ClientPipelineFactory;

public class ClientPool
{
    public static ClientPool clientPool = new ClientPool();
    
    private ClientBootstrap bootstrap;
    
    private ClientPool()
    {
        bootstrap = new ClientBootstrap(new NioClientSocketChannelFactory(
                Executors.newCachedThreadPool(), Executors
                        .newCachedThreadPool()));
        
        bootstrap.setPipelineFactory(new ClientPipelineFactory());
        bootstrap.setOption("tcpNoDelay", true);
        bootstrap.setOption("keepAlive", true);
    }
    
    public static ClientPool getInstance()
    {
        return clientPool;
    }
    
    public void getChannelFuture(String host, int port, String message)
    {
        ChannelFuture future = bootstrap.connect(new InetSocketAddress(host,
                NetConstant.server_port));
        future.awaitUninterruptibly();
        if (!future.isSuccess())
        {
            future.getCause().printStackTrace();
            future.getChannel().getCloseFuture().awaitUninterruptibly(); 
            return;
        }
        future.getChannel().write(message);
    }
    
    public static void main(String[] args) throws InterruptedException
    {
        for (int i = 0; i < 1000; i++)
        {
            ClientPool.getInstance().getChannelFuture("127.0.0.1", 0,
                    "test" + i);
            Thread.sleep(1000 * 3);
        }
    }
}
posted on 2011-08-30 13:07 HUIKK 阅读(3387) 评论(2)  编辑  收藏 所属分类: Java 、java Net

评论

# re: jboss netty 框架小试 2013-11-04 15:25 kunjie
LZ,这文章，一点文字说明都没，没有多大实用意义  回复  更多评论
  

# re: jboss netty 框架小试[未登录] 2014-01-02 14:47 123
tell us about what you think and code less, plz.  回复  更多评论
  


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