LocalPortForwarder.java :  » Net » Ganymed-SSH-2 » ch » ethz » ssh2 » Java Open Source

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Ganymed SSH 2 » ch » ethz » ssh2 » LocalPortForwarder.java

package ch.ethz.ssh2;

import java.io.IOException;
import ch.ethz.ssh2.channel.ChannelManager;
import ch.ethz.ssh2.channel.LocalAcceptThread;

/**
 * A <code>LocalPortForwarder</code> forwards TCP/IP connections to a local
 * port via the secure tunnel to another host (which may or may not be identical
 * to the remote SSH-2 server).
 * 
 * @author Christian Plattner, plattner@inf.ethz.ch
 * @version $Id: LocalPortForwarder.java,v 1.5 2006/02/14 19:43:16 cplattne Exp $
 */
public class LocalPortForwarder
{
  ChannelManager cm;

  int local_port;

  String host_to_connect;

  int port_to_connect;

  LocalAcceptThread lat;

  LocalPortForwarder(ChannelManager cm, int local_port, String host_to_connect, int port_to_connect)
      throws IOException
  {
    this.cm = cm;
    this.local_port = local_port;
    this.host_to_connect = host_to_connect;
    this.port_to_connect = port_to_connect;

    lat = new LocalAcceptThread(cm, local_port, host_to_connect, port_to_connect);
    lat.setDaemon(true);
    lat.start();
  }

  /**
   * Stop TCP/IP forwarding of newly arriving connections.
   * 
   * @throws IOException
   */
  public void close() throws IOException
  {
    lat.stopWorking();
  }
}
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