com.qq.servlet.demo.netty.sample.myprotocol.MyProtocolServer.java Source code

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Here is the source code for com.qq.servlet.demo.netty.sample.myprotocol.MyProtocolServer.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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 com.qq.servlet.demo.netty.sample.myprotocol;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;

/**
 * Simplistic telnet server.
 */
public class MyProtocolServer {

    private final int port;

    public MyProtocolServer(int port) {
        this.port = port;
    }

    public void run() throws Exception {
        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup(3);
        try {
            final ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup);
            b.channel(NioServerSocketChannel.class);
            b.childHandler(new MyProtocolServerChannelHandler());
            new Thread() {
                @Override
                public void run() {
                    Channel channel;
                    try {
                        System.out.println("server is starting....");
                        channel = b.bind(port).sync().channel();
                        channel.closeFuture().sync();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }.start();

        } finally {
            byte[] b = new byte[32];
            String read = null;
            do {
                if (read != null)
                    System.out.println("" + read);
                int c = System.in.read(b);
                read = new String(b, 0, c);
            } while (read == null || !read.startsWith("exit"));

            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }

    public static void main(String[] args) throws Exception {
        int port;
        if (args.length > 0) {
            port = Integer.parseInt(args[0]);
        } else {
            port = 8080;
        }
        new MyProtocolServer(port).run();
    }
}