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annotate src/ch/ethz/ssh2/LocalPortForwarder.java @ 273:91a31873c42a ganymed

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author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 11:21:46 -0700
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children 071eccdff8ea
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1 /*
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2 * Copyright (c) 2006-2013 Christian Plattner. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5
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6 package ch.ethz.ssh2;
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7
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8 import java.io.IOException;
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9 import java.net.InetSocketAddress;
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10 import java.net.ServerSocket;
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11
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12 import ch.ethz.ssh2.channel.ChannelManager;
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13 import ch.ethz.ssh2.channel.LocalAcceptThread;
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14
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15 /**
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16 * A <code>LocalPortForwarder</code> forwards TCP/IP connections to a local
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17 * port via the secure tunnel to another host (which may or may not be identical
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18 * to the remote SSH-2 server). Checkout {@link Connection#createLocalPortForwarder(int, String, int)}
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19 * on how to create one.
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20 *
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21 * @author Christian Plattner
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22 * @version 2.50, 03/15/10
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23 */
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24 public class LocalPortForwarder
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25 {
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26 final ChannelManager cm;
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27
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28 final String host_to_connect;
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29
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30 final int port_to_connect;
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31
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32 final LocalAcceptThread lat;
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33
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34 LocalPortForwarder(ChannelManager cm, int local_port, String host_to_connect, int port_to_connect)
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35 throws IOException
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36 {
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37 this.cm = cm;
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38 this.host_to_connect = host_to_connect;
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39 this.port_to_connect = port_to_connect;
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40
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41 lat = new LocalAcceptThread(cm, local_port, host_to_connect, port_to_connect);
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42 lat.setDaemon(true);
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43 lat.start();
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44 }
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45
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46 LocalPortForwarder(ChannelManager cm, InetSocketAddress addr, String host_to_connect, int port_to_connect)
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47 throws IOException
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48 {
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49 this.cm = cm;
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50 this.host_to_connect = host_to_connect;
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51 this.port_to_connect = port_to_connect;
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52
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53 lat = new LocalAcceptThread(cm, addr, host_to_connect, port_to_connect);
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54 lat.setDaemon(true);
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55 lat.start();
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56 }
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57
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58 /**
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59 * Return the local socket address of the {@link ServerSocket} used to accept connections.
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60 * @return
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61 */
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62 public InetSocketAddress getLocalSocketAddress()
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63 {
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64 return (InetSocketAddress) lat.getServerSocket().getLocalSocketAddress();
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65 }
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66
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67 /**
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68 * Stop TCP/IP forwarding of newly arriving connections.
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69 *
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70 * @throws IOException
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71 */
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72 public void close() throws IOException
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73 {
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74 lat.stopWorking();
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75 }
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76 }