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Java example source code file (ByteEchoPeerBase.java)

This example Java source code file (ByteEchoPeerBase.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bootstrap, byteechopeerbase, byteechopeerhandler, channelfuture, channelinitializer, defaultthreadfactory, exception, net, network, nioeventloopgroup, override, socketaddress, threadfactory, threading, threads

The ByteEchoPeerBase.java Java example source code

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.example.udt.echo.rendezvousBytes;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.udt.UdtChannel;
import io.netty.channel.udt.nio.NioUdtProvider;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.netty.util.concurrent.DefaultThreadFactory;

import java.net.SocketAddress;
import java.util.concurrent.ThreadFactory;

/**
 * UDT Byte Stream Peer
 * <p/>
 * Sends one message when a connection is open and echoes back any received data
 * to the server. Simply put, the echo client initiates the ping-pong traffic
 * between the echo client and server by sending the first message to the
 * server.
 * <p/>
 */
public class ByteEchoPeerBase {

    protected final int messageSize;
    protected final SocketAddress myAddress;
    protected final SocketAddress peerAddress;

    public ByteEchoPeerBase(int messageSize, SocketAddress myAddress, SocketAddress peerAddress) {
        this.messageSize = messageSize;
        this.myAddress = myAddress;
        this.peerAddress = peerAddress;
    }

    public void run() throws Exception {
        final ThreadFactory connectFactory = new DefaultThreadFactory("rendezvous");
        final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1,
                connectFactory, NioUdtProvider.BYTE_PROVIDER);
        try {
            final Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(connectGroup)
                    .channelFactory(NioUdtProvider.BYTE_RENDEZVOUS)
                    .handler(new ChannelInitializer<UdtChannel>() {
                        @Override
                        protected void initChannel(UdtChannel ch) throws Exception {
                            ch.pipeline().addLast(
                                    new LoggingHandler(LogLevel.INFO),
                                    new ByteEchoPeerHandler(messageSize));
                        }
                    });
            final ChannelFuture future = bootstrap.connect(peerAddress, myAddress).sync();
            future.channel().closeFuture().sync();
        } finally {
            connectGroup.shutdownGracefully();
        }
    }
}

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