package com.young.netty.demo;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
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 TimeServer {
private int port;
	
	public TimeServer(int port) {
		this.port = port;
	}
	
	public void run() throws Exception {
		EventLoopGroup bossGroup = new NioEventLoopGroup();
		
		EventLoopGroup workerGroup = new NioEventLoopGroup();
		try {
		ServerBootstrap b = new ServerBootstrap();
		
		b.group(bossGroup, workerGroup)
			.channel(NioServerSocketChannel.class)
			.childHandler(new ChannelInitializer<SocketChannel>() {

				@Override
				protected void initChannel(SocketChannel ch) throws Exception {
					ch.pipeline().addLast(new TimeServerHandler());
					
				}
			})
			.option(ChannelOption.SO_BACKLOG, 128)
			.childOption(ChannelOption.SO_KEEPALIVE, true);
		ChannelFuture f = b.bind(port).sync();
		
		f.channel().closeFuture().sync();
		} finally {
			workerGroup.shutdownGracefully();
			bossGroup.shutdownGracefully();
		}
	}
	
	public static void main(String[] args) throws Exception {
		int port;
		if(args.length > 0) {
			port = Integer.parseInt(args[0]);
		} else {
			port = 9999;
		}
		new TimeServer(port).run();
	}

}
