modify

wzy

2021-02-28 d3cdbf19b53e24a1417364b098f7b8f71f36a208

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package com.xcong.excoin.netty.client;
 
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
 
import java.net.InetSocketAddress;
 
/**
 * @author wzy
 * @email wangdoubleone@gmail.com
 * @date 2019-05-14
 */
public class ClientServer {
 
    public static void start() throws InterruptedException {
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .remoteAddress(new InetSocketAddress("localhost", 9998))
                    .handler(new ChannelInitializer<SocketChannel>() {    //5
                        @Override
                        public void initChannel(SocketChannel ch)
                                throws Exception {
                            ByteBuf buf = Unpooled.copiedBuffer("_split".getBytes());
                            ch.pipeline().addLast(new DelimiterBasedFrameDecoder(10240, buf));
                            ch.pipeline().addLast(new StringDecoder());
                            ch.pipeline().addLast(new StringEncoder());
                            ch.pipeline().addLast(new ClientChannelHandler());
                        }
                    });
 
            ChannelFuture f = b.connect().sync();
 
            f.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully();
        }
    }
 
    public static void main(String args[]) throws InterruptedException {
        start();
    }
}