com.sheldon.javaPrj.netty.TimeServerHandler.java Source code

Introduction

Here is the source code for com.sheldon.javaPrj.netty.TimeServerHandler.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package com.sheldon.javaPrj.netty;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 *
 * @author xiangnan.wang@ipinyou.com
 */
public class TimeServerHandler extends ChannelInboundHandlerAdapter {

    @Override
    public void channelActive(final ChannelHandlerContext ctx) throws Exception {
        final ByteBuf time = ctx.alloc().buffer(4);
        time.writeInt((int) (System.currentTimeMillis() / 1000L + 2208988800L));

        final ChannelFuture f = ctx.writeAndFlush(time); // (3)
        f.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) {
                assert f == future;
                ctx.close();
            }
        }); // (4)
    }

}