package org.lyx.netty.custom.server;
import org.lyx.netty.custom.struct.Header;
import org.lyx.netty.custom.struct.NettyMessage;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
public class ServerHandler extends ChannelInboundHandlerAdapter {
/**
* 当我们通道进行激活的时候 触发的监听方法
*/
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
System.err.println("--------通道激活------------");
}
/**
* 当我们的通道里有数据进行读取的时候 触发的监听方法
*/
@Override
public void channelRead(ChannelHandlerContext ctx /*NETTY服务上下文*/, Object msg /*实际的传输数据*/) throws Exception {
NettyMessage requestMessage = (NettyMessage)msg;
System.err.println("Server receive message from Client: " + requestMessage.getBody());
NettyMessage responseMessage = new NettyMessage();
Header header = new Header();
header.setSessionID(2002L);
header.setPriority((byte)2);
header.setType((byte)1);
responseMessage.setHeader(header);
responseMessage.setBody("我是响应数据: " + requestMessage.getBody());
ctx.writeAndFlush(responseMessage);
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
System.err.println("--------数据读取完毕----------");
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
throws Exception {
System.err.println("--------服务器数据读异常----------: ");
cause.printStackTrace();
ctx.close();
}
}
