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1
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2 package com.trilead.ssh2;
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3
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4 import java.io.IOException;
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5 import java.net.InetSocketAddress;
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6
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7 import com.trilead.ssh2.channel.ChannelManager;
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8 import com.trilead.ssh2.channel.LocalAcceptThread;
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9
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10
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11 /**
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12 * A <code>LocalPortForwarder</code> forwards TCP/IP connections to a local
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13 * port via the secure tunnel to another host (which may or may not be identical
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14 * to the remote SSH-2 server). Checkout {@link Connection#createLocalPortForwarder(int, String, int)}
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15 * on how to create one.
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16 *
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17 * @author Christian Plattner, plattner@trilead.com
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18 * @version $Id: LocalPortForwarder.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
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19 */
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20 public class LocalPortForwarder {
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21 ChannelManager cm;
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22
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23 String host_to_connect;
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24
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25 int port_to_connect;
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26
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27 LocalAcceptThread lat;
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28
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29 LocalPortForwarder(ChannelManager cm, int local_port, String host_to_connect, int port_to_connect)
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30 throws IOException {
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31 this.cm = cm;
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32 this.host_to_connect = host_to_connect;
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33 this.port_to_connect = port_to_connect;
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34 lat = new LocalAcceptThread(cm, local_port, host_to_connect, port_to_connect);
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35 lat.setDaemon(true);
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36 lat.start();
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37 }
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38
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39 LocalPortForwarder(ChannelManager cm, InetSocketAddress addr, String host_to_connect, int port_to_connect)
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40 throws IOException {
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41 this.cm = cm;
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42 this.host_to_connect = host_to_connect;
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43 this.port_to_connect = port_to_connect;
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44 lat = new LocalAcceptThread(cm, addr, host_to_connect, port_to_connect);
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45 lat.setDaemon(true);
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46 lat.start();
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47 }
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48
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49 /**
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50 * Stop TCP/IP forwarding of newly arriving connections.
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51 *
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52 * @throws IOException
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53 */
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54 public void close() throws IOException {
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55 lat.stopWorking();
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56 }
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57 }
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