HelloWorldServerHandler.java

package com.lyncc.netty.attributeMap;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

public class HelloWorldServerHandler extends ChannelInboundHandlerAdapter{
    
    
    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        System.out.println("server channelRead..");
        System.out.println(ctx.channel().remoteAddress()+"->Server :"+ msg.toString());
        ctx.write("server write"+msg);
        ctx.flush();
    }
    
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }

}