netconf/mdsal-netconf-ssh/src/test/java/org/opendaylight/netconf/netty/ProxyServer.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.netconf.netty;
  10
  11 import io.netty.bootstrap.ServerBootstrap;
  12 import io.netty.channel.ChannelFuture;
  13 import io.netty.channel.ChannelHandler;
  14 import io.netty.channel.ChannelInitializer;
  15 import io.netty.channel.ChannelOption;
  16 import io.netty.channel.EventLoopGroup;
  17 import io.netty.channel.local.LocalAddress;
  18 import io.netty.channel.nio.NioEventLoopGroup;
  19 import io.netty.channel.socket.SocketChannel;
  20 import io.netty.channel.socket.nio.NioServerSocketChannel;
  21 import io.netty.handler.logging.LogLevel;
  22 import io.netty.handler.logging.LoggingHandler;
  23 import java.net.InetSocketAddress;
  24 import org.opendaylight.netconf.util.NetconfConfiguration;
  25
  26 public class ProxyServer implements Runnable {
  27     private final ProxyHandlerFactory proxyHandlerFactory;
  28
  29     public ProxyServer(ProxyHandlerFactory proxyHandlerFactory) {
  30         this.proxyHandlerFactory = proxyHandlerFactory;
  31     }
  32
  33     @SuppressWarnings("checkstyle:IllegalCatch")
  34     public void run() {
  35         // Configure the server.
  36         final EventLoopGroup bossGroup = new NioEventLoopGroup();
  37         EventLoopGroup workerGroup = new NioEventLoopGroup();
  38         try {
  39             final LocalAddress localAddress = NetconfConfiguration.NETCONF_LOCAL_ADDRESS;
  40             ServerBootstrap serverBootstrap = new ServerBootstrap();
  41             serverBootstrap.group(bossGroup, workerGroup)
  42                     .channel(NioServerSocketChannel.class)
  43                     .option(ChannelOption.SO_BACKLOG, 100)
  44                     .handler(new LoggingHandler(LogLevel.INFO))
  45                     .childHandler(new ChannelInitializer<SocketChannel>() {
  46                         @Override
  47                         public void initChannel(SocketChannel ch) throws Exception {
  48                             ch.pipeline().addLast(proxyHandlerFactory.create(bossGroup, localAddress));
  49                         }
  50                     });
  51
  52             // Start the server.
  53             InetSocketAddress address = new InetSocketAddress("127.0.0.1", 8080);
  54             ChannelFuture future = serverBootstrap.bind(address).sync();
  55
  56             // Wait until the server socket is closed.
  57             future.channel().closeFuture().sync();
  58         } catch (Exception e) {
  59             throw new RuntimeException(e);
  60         } finally {
  61             // Shut down all event loops to terminate all threads.
  62             bossGroup.shutdownGracefully();
  63             workerGroup.shutdownGracefully();
  64         }
  65     }
  66
  67     public interface ProxyHandlerFactory {
  68         ChannelHandler create(EventLoopGroup bossGroup, LocalAddress localAddress);
  69     }
  70
  71     public static void main(String[] args) {
  72         ProxyHandlerFactory proxyHandlerFactory = ProxyServerHandler::new;
  73         start(proxyHandlerFactory);
  74     }
  75
  76     public static void start(ProxyHandlerFactory proxyHandlerFactory) {
  77         new Thread(new EchoServer()).start();
  78         new Thread(new ProxyServer(proxyHandlerFactory)).start();
  79     }
  80 }