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.ssh;
10 import io.netty.bootstrap.ServerBootstrap;
11 import io.netty.channel.ChannelFuture;
12 import io.netty.channel.ChannelHandler;
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.nio.NioEventLoopGroup;
18 import io.netty.channel.socket.SocketChannel;
19 import io.netty.channel.socket.nio.NioServerSocketChannel;
20 import io.netty.handler.logging.LogLevel;
21 import io.netty.handler.logging.LoggingHandler;
22 import java.net.InetSocketAddress;
23 import org.opendaylight.netconf.util.NetconfConfiguration;
25 public class ProxyServer implements Runnable {
26 private final ProxyHandlerFactory proxyHandlerFactory;
28 public ProxyServer(final ProxyHandlerFactory proxyHandlerFactory) {
29 this.proxyHandlerFactory = proxyHandlerFactory;
34 // Configure the server.
35 final EventLoopGroup bossGroup = new NioEventLoopGroup();
36 EventLoopGroup workerGroup = new NioEventLoopGroup();
38 final LocalAddress localAddress = NetconfConfiguration.NETCONF_LOCAL_ADDRESS;
39 ServerBootstrap serverBootstrap = new ServerBootstrap();
40 serverBootstrap.group(bossGroup, workerGroup)
41 .channel(NioServerSocketChannel.class)
42 .option(ChannelOption.SO_BACKLOG, 100)
43 .handler(new LoggingHandler(LogLevel.INFO))
44 .childHandler(new ChannelInitializer<SocketChannel>() {
46 public void initChannel(final SocketChannel ch) throws Exception {
47 ch.pipeline().addLast(proxyHandlerFactory.create(bossGroup, localAddress));
52 InetSocketAddress address = new InetSocketAddress("127.0.0.1", 8080);
53 ChannelFuture future = serverBootstrap.bind(address).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 interface ProxyHandlerFactory {
67 ChannelHandler create(EventLoopGroup bossGroup, LocalAddress localAddress);
70 public static void main(final String[] args) {
71 ProxyHandlerFactory proxyHandlerFactory = ProxyServerHandler::new;
72 start(proxyHandlerFactory);
75 public static void start(final ProxyHandlerFactory proxyHandlerFactory) {
76 new Thread(new EchoServer()).start();
77 new Thread(new ProxyServer(proxyHandlerFactory)).start();