me.smoe.adar.netty.EchoNetty5.java Source code

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Here is the source code for me.smoe.adar.netty.EchoNetty5.java

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/**
 * Copyright (c) 2015, adar.w (adar-w@outlook.com) 
 * 
 * http://www.smoe.me
 * 
 * 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 me.smoe.adar.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;

public class EchoNetty5 {

    public static void main(String[] args) throws Exception {
        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap = bootstrap.group(bossGroup, workerGroup);
        bootstrap = bootstrap.channel(NioServerSocketChannel.class);

        bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new EchoServerHandler());
            }
        });

        bootstrap.option(ChannelOption.SO_BACKLOG, 200);

        ChannelFuture future = bootstrap.bind(10080).sync();
        future.channel().closeFuture().sync();
    }

    static class EchoServerHandler extends ChannelHandlerAdapter {
        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) {
            ctx.write(msg);
            ctx.flush();
            ctx.close();
        }

        @Override
        public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
            System.out.println("connect");

            ctx.write("Bye");
            ctx.flush();
        }
    }
}