/*
    * Copyright 2009 Red Hat, Inc.
    *
    * Red Hat 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 org.jboss.netty.example.proxy;
  
  import java.net.InetSocketAddress;
  import java.util.concurrent.Executor;
  import java.util.concurrent.Executors;
  
  import org.jboss.netty.bootstrap.ServerBootstrap;
  import org.jboss.netty.channel.socket.ClientSocketChannelFactory;
  import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
  import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
  
  /**
   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
   */
  public class HexDumpProxy {
  
      public static void main(String[] args) throws Exception {
          // Validate command line options.
          if (args.length != 3) {
              System.err.println(
                      "Usage: " + HexDumpProxy.class.getSimpleName() +
                      " <local port> <remote host> <remote port>");
              return;
          }
  
          // Parse command line options.
          int localPort = Integer.parseInt(args[0]);
          String remoteHost = args[1];
          int remotePort = Integer.parseInt(args[2]);
  
          System.err.println(
                  "Proxying *:" + localPort + " to " +
                  remoteHost + ':' + remotePort + " ...");
  
          // Configure the bootstrap.
          Executor executor = Executors.newCachedThreadPool();
          ServerBootstrap sb = new ServerBootstrap(
                  new NioServerSocketChannelFactory(executor, executor));
  
          // Set up the event pipeline factory.
          ClientSocketChannelFactory cf =
                  new NioClientSocketChannelFactory(executor, executor);
  
          sb.setPipelineFactory(
                  new HexDumpProxyPipelineFactory(cf, remoteHost, remotePort));
  
          // Start up the server.
          sb.bind(new InetSocketAddress(localPort));
      }
  }