Mercurial > 510Connectbot

annotate src/ch/ethz/ssh2/channel/LocalAcceptThread.java @ 283:3855f58ffd2b ganymed

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
start conversion from trilead to ganymed
author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 17:32:11 -0700
parents 91a31873c42a
children 071eccdff8ea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
273
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Carl Byington <carl@five-ten-sg.com>
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1 /*
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Carl Byington <carl@five-ten-sg.com>
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2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
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Carl Byington <carl@five-ten-sg.com>
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5 package ch.ethz.ssh2.channel;
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6
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7 import java.io.IOException;
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Carl Byington <carl@five-ten-sg.com>
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8 import java.net.InetSocketAddress;
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Carl Byington <carl@five-ten-sg.com>
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9 import java.net.ServerSocket;
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Carl Byington <carl@five-ten-sg.com>
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10 import java.net.Socket;
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11
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Carl Byington <carl@five-ten-sg.com>
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12 /**
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Carl Byington <carl@five-ten-sg.com>
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13 * LocalAcceptThread.
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14 *
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Carl Byington <carl@five-ten-sg.com>
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15 * @author Christian Plattner
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16 * @version 2.50, 03/15/10
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17 */
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18 public class LocalAcceptThread extends Thread implements IChannelWorkerThread
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19 {
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20 ChannelManager cm;
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21 String host_to_connect;
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22 int port_to_connect;
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23
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24 final ServerSocket ss;
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25
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26 public LocalAcceptThread(ChannelManager cm, int local_port, String host_to_connect, int port_to_connect)
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27 throws IOException
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28 {
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29 this.cm = cm;
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30 this.host_to_connect = host_to_connect;
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31 this.port_to_connect = port_to_connect;
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32
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33 ss = new ServerSocket(local_port);
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34 }
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35
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36 public LocalAcceptThread(ChannelManager cm, InetSocketAddress localAddress, String host_to_connect,
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37 int port_to_connect) throws IOException
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38 {
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39 this.cm = cm;
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40 this.host_to_connect = host_to_connect;
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41 this.port_to_connect = port_to_connect;
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42
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43 ss = new ServerSocket();
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44 ss.bind(localAddress);
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45 }
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46
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47 public ServerSocket getServerSocket()
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48 {
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49 return ss;
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50 }
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51
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52 @Override
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53 public void run()
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54 {
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Carl Byington <carl@five-ten-sg.com>
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55 try
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Carl Byington <carl@five-ten-sg.com>
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56 {
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57 cm.registerThread(this);
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58 }
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59 catch (IOException e)
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60 {
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61 stopWorking();
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62 return;
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63 }
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64
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65 while (true)
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66 {
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Carl Byington <carl@five-ten-sg.com>
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67 Socket s = null;
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68
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69 try
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Carl Byington <carl@five-ten-sg.com>
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70 {
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71 s = ss.accept();
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72 }
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73 catch (IOException e)
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74 {
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75 stopWorking();
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76 return;
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77 }
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78
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79 Channel cn = null;
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80 StreamForwarder r2l = null;
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81 StreamForwarder l2r = null;
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82
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83 try
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84 {
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85 /* This may fail, e.g., if the remote port is closed (in optimistic terms: not open yet) */
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86
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87 cn = cm.openDirectTCPIPChannel(host_to_connect, port_to_connect, s.getInetAddress().getHostAddress(), s
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88 .getPort());
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89
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90 }
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91 catch (IOException e)
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92 {
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93 /* Simply close the local socket and wait for the next incoming connection */
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94
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95 try
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96 {
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97 s.close();
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98 }
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99 catch (IOException ignore)
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100 {
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101 }
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102
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103 continue;
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104 }
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105
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106 try
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107 {
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108 r2l = new StreamForwarder(cn, null, null, cn.stdoutStream, s.getOutputStream(), "RemoteToLocal");
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109 l2r = new StreamForwarder(cn, r2l, s, s.getInputStream(), cn.stdinStream, "LocalToRemote");
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110 }
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111 catch (IOException e)
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112 {
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113 try
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114 {
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115 /* This message is only visible during debugging, since we discard the channel immediatelly */
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116 cn.cm.closeChannel(cn, e, true);
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117 }
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118 catch (IOException ignore)
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119 {
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120 }
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121
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122 continue;
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123 }
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124
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125 r2l.setDaemon(true);
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126 l2r.setDaemon(true);
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127 r2l.start();
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128 l2r.start();
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129 }
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130 }
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131
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132 public void stopWorking()
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133 {
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134 try
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135 {
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136 /* This will lead to an IOException in the ss.accept() call */
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137 ss.close();
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138 }
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139 catch (IOException ignored)
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140 {
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141 }
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142 }
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143 }