/*
* 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.message;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.udt.UdtChannel;
import io.netty.channel.udt.nio.NioUdtProvider;
import io.netty.example.udt.util.UtilThreadFactory;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import java.util.concurrent.ThreadFactory;
import java.util.logging.Logger;
/**
* UDT Message Flow Server
* <p>
* Echoes back any received data from a client.
*/
public class MsgEchoServer {
private static final Logger log = Logger.getLogger(MsgEchoServer.class.getName());
private final int port;
public MsgEchoServer(final int port) {
this.port = port;
}
public void run() throws Exception {
final ThreadFactory acceptFactory = new UtilThreadFactory("accept");
final ThreadFactory connectFactory = new UtilThreadFactory("connect");
final NioEventLoopGroup acceptGroup = new NioEventLoopGroup(1,
acceptFactory, NioUdtProvider.MESSAGE_PROVIDER);
final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1,
connectFactory, NioUdtProvider.MESSAGE_PROVIDER);
// Configure the server.
final ServerBootstrap boot = new ServerBootstrap();
try {
boot.group(acceptGroup, connectGroup)
.channelFactory(NioUdtProvider.MESSAGE_ACCEPTOR)
.option(ChannelOption.SO_BACKLOG, 10)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new ChannelInitializer<UdtChannel>() {
@Override
public void initChannel(final UdtChannel ch)
throws Exception {
ch.pipeline().addLast(
new LoggingHandler(LogLevel.INFO),
new MsgEchoServerHandler());
}
});
// Start the server.
final ChannelFuture future = boot.bind(port).sync();
// Wait until the server socket is closed.
future.channel().closeFuture().sync();
} finally {
// Shut down all event loops to terminate all threads.
boot.shutdown();
}
}
public static void main(final String[] args) throws Exception {
log.info("init");
final int port = 1234;
new MsgEchoServer(port).run();
log.info("done");
}
}