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
8 package org.opendaylight.netconf.northbound.ssh;
10 import io.netty.bootstrap.ServerBootstrap;
11 import io.netty.channel.ChannelFuture;
12 import io.netty.channel.ChannelInitializer;
13 import io.netty.channel.ChannelOption;
14 import io.netty.channel.EventLoopGroup;
15 import io.netty.channel.local.LocalAddress;
16 import io.netty.channel.local.LocalChannel;
17 import io.netty.channel.local.LocalServerChannel;
18 import io.netty.channel.nio.NioEventLoopGroup;
19 import io.netty.handler.logging.LogLevel;
20 import io.netty.handler.logging.LoggingHandler;
21 import java.io.BufferedReader;
22 import java.io.IOException;
23 import java.io.InputStreamReader;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
28 * Echoes back any received data from a client.
30 public class EchoServer implements Runnable {
31 private static final Logger LOG = LoggerFactory.getLogger(EchoServer.class);
35 // Configure the server.
36 EventLoopGroup bossGroup = new NioEventLoopGroup(1);
37 EventLoopGroup workerGroup = new NioEventLoopGroup();
39 ServerBootstrap bootstrap = new ServerBootstrap();
40 bootstrap.group(bossGroup, workerGroup)
41 .channel(LocalServerChannel.class)
42 .option(ChannelOption.SO_BACKLOG, 100)
43 .handler(new LoggingHandler(LogLevel.INFO))
44 .childHandler(new ChannelInitializer<LocalChannel>() {
46 public void initChannel(final LocalChannel ch) {
47 ch.pipeline().addLast(new EchoServerHandler());
52 LocalAddress localAddress = new LocalAddress("netconf");
53 ChannelFuture future = bootstrap.bind(localAddress).sync();
55 // Wait until the server socket is closed.
56 future.channel().closeFuture().sync();
57 } catch (InterruptedException e) {
58 throw new RuntimeException(e);
60 // Shut down all event loops to terminate all threads.
61 bossGroup.shutdownGracefully();
62 workerGroup.shutdownGracefully();
66 public static void main(final String[] args) throws InterruptedException, IOException {
67 new Thread(new EchoServer()).start();
69 EchoClientHandler clientHandler = new EchoClientHandler();
70 EchoClient echoClient = new EchoClient(clientHandler);
71 new Thread(echoClient).start();
73 BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
75 String message = reader.readLine();
76 if (message == null || "exit".equalsIgnoreCase(message)) {
79 LOG.debug("Got '{}'", message);
80 clientHandler.write(message);