2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.netconf.netty;
11 import io.netty.bootstrap.ServerBootstrap;
12 import io.netty.channel.ChannelFuture;
13 import io.netty.channel.ChannelInitializer;
14 import io.netty.channel.ChannelOption;
15 import io.netty.channel.EventLoopGroup;
16 import io.netty.channel.local.LocalAddress;
17 import io.netty.channel.local.LocalChannel;
18 import io.netty.channel.local.LocalServerChannel;
19 import io.netty.channel.nio.NioEventLoopGroup;
20 import io.netty.handler.logging.LogLevel;
21 import io.netty.handler.logging.LoggingHandler;
22 import java.io.BufferedReader;
23 import java.io.InputStreamReader;
24 import org.opendaylight.netconf.util.NetconfConfiguration;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 * Echoes back any received data from a client.
31 public class EchoServer implements Runnable {
32 private static final Logger LOG = LoggerFactory.getLogger(EchoServer.class);
34 @SuppressWarnings("checkstyle:IllegalCatch")
36 // Configure the server.
37 EventLoopGroup bossGroup = new NioEventLoopGroup(1);
38 EventLoopGroup workerGroup = new NioEventLoopGroup();
40 ServerBootstrap bootstrap = new ServerBootstrap();
41 bootstrap.group(bossGroup, workerGroup)
42 .channel(LocalServerChannel.class)
43 .option(ChannelOption.SO_BACKLOG, 100)
44 .handler(new LoggingHandler(LogLevel.INFO))
45 .childHandler(new ChannelInitializer<LocalChannel>() {
47 public void initChannel(LocalChannel ch) throws Exception {
48 ch.pipeline().addLast(new EchoServerHandler());
53 LocalAddress localAddress = NetconfConfiguration.NETCONF_LOCAL_ADDRESS;
54 ChannelFuture future = bootstrap.bind(localAddress).sync();
56 // Wait until the server socket is closed.
57 future.channel().closeFuture().sync();
58 } catch (Exception e) {
59 throw new RuntimeException(e);
61 // Shut down all event loops to terminate all threads.
62 bossGroup.shutdownGracefully();
63 workerGroup.shutdownGracefully();
67 public static void main(String[] args) throws Exception {
68 new Thread(new EchoServer()).start();
70 EchoClientHandler clientHandler = new EchoClientHandler();
71 EchoClient echoClient = new EchoClient(clientHandler);
72 new Thread(echoClient).start();
74 BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
76 String message = reader.readLine();
77 if (message == null || "exit".equalsIgnoreCase(message)) {
80 LOG.debug("Got '{}'", message);
81 clientHandler.write(message);