package com.waylau.netty.demo.time;

import io.netty.bootstrap.Bootstrap;
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.NioSocketChannel;

public class TimeClient {

	public static void main(String[] args) throws Exception {
		
		String host = "127.0.0.1";// args[0];
        int port = 8080;//Integer.parseInt(args[1]);
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        try {
            Bootstrap b = new Bootstrap(); // (1)
            b.group(workerGroup); // (2)
            b.channel(NioSocketChannel.class); // (3)
            b.option(ChannelOption.SO_KEEPALIVE, true); // (4)
            b.handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new TimeClientHandler());
                }
            });

            // 启动客户端
            ChannelFuture f = b.connect(host, port).sync(); // (5)

            // 等待连接关闭
            f.channel().closeFuture().sync();
        } finally {
            workerGroup.shutdownGracefully();
        }
	}
}