annotate app/src/main/java/ch/ethz/ssh2/channel/LocalAcceptThread.java @ 490:7545103ec815 stable-1.9.4-2

use foreground service and notification channel on Android 8+
author Carl Byington <carl@five-ten-sg.com>
date Wed, 14 Oct 2020 14:48:55 -0700
parents d29cce60f393
children
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1 /*
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2 * Copyright (c) 2006-2011 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 package ch.ethz.ssh2.channel;
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6
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7 import java.io.IOException;
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8 import java.net.InetSocketAddress;
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9 import java.net.ServerSocket;
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10 import java.net.Socket;
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11
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12 /**
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13 * LocalAcceptThread.
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14 *
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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 ChannelManager cm;
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20 String host_to_connect;
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21 int port_to_connect;
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22
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23 final ServerSocket ss;
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24
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25 public LocalAcceptThread(ChannelManager cm, int local_port, String host_to_connect, int port_to_connect)
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26 throws IOException {
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27 this.cm = cm;
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28 this.host_to_connect = host_to_connect;
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29 this.port_to_connect = port_to_connect;
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30 ss = new ServerSocket(local_port);
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31 }
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32
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33 public LocalAcceptThread(ChannelManager cm, InetSocketAddress localAddress, String host_to_connect,
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34 int port_to_connect) throws IOException {
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35 this.cm = cm;
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36 this.host_to_connect = host_to_connect;
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37 this.port_to_connect = port_to_connect;
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38 ss = new ServerSocket();
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39 ss.bind(localAddress);
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40 }
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41
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42 public ServerSocket getServerSocket() {
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43 return ss;
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44 }
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45
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46 @Override
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47 public void run() {
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48 try {
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49 cm.registerThread(this);
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50 }
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51 catch (IOException e) {
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52 stopWorking();
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53 return;
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54 }
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55
307
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56 while (true) {
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57 Socket s = null;
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58
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59 try {
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60 s = ss.accept();
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61 }
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62 catch (IOException e) {
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63 stopWorking();
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64 return;
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65 }
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66
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67 Channel cn = null;
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68 StreamForwarder r2l = null;
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69 StreamForwarder l2r = null;
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70
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71 try {
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72 /* This may fail, e.g., if the remote port is closed (in optimistic terms: not open yet) */
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73 cn = cm.openDirectTCPIPChannel(host_to_connect, port_to_connect, s.getInetAddress().getHostAddress(), s
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74 .getPort());
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75 }
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76 catch (IOException e) {
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77 /* Simply close the local socket and wait for the next incoming connection */
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78 try {
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79 s.close();
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80 }
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81 catch (IOException ignore) {
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82 }
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83
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84 continue;
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85 }
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86
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87 try {
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88 r2l = new StreamForwarder(cn, null, null, cn.stdoutStream, s.getOutputStream(), "RemoteToLocal");
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89 l2r = new StreamForwarder(cn, r2l, s, s.getInputStream(), cn.stdinStream, "LocalToRemote");
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90 }
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91 catch (IOException e) {
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92 try {
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93 /* This message is only visible during debugging, since we discard the channel immediatelly */
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94 cn.cm.closeChannel(cn, e, true);
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95 }
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96 catch (IOException ignore) {
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97 }
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98
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99 continue;
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100 }
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101
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102 r2l.setDaemon(true);
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103 l2r.setDaemon(true);
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104 r2l.start();
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105 l2r.start();
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106 }
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107 }
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108
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109 public void stopWorking() {
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110 try {
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111 /* This will lead to an IOException in the ss.accept() call */
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112 ss.close();
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113 }
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114 catch (IOException ignored) {
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115 }
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116 }
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117 }