1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io.remotecontrol;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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5 |
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6 | import java.io.IOException;
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7 | import java.net.BindException;
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8 | import java.net.ServerSocket;
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9 | import java.net.Socket;
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10 | import java.net.SocketException;
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11 | import java.net.InetAddress;
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12 |
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13 | import org.openstreetmap.josm.Main;
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14 |
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15 | /**
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16 | * Simple HTTP server that spawns a {@link RequestProcessor} for every
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17 | * connection.
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18 | *
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19 | * Taken from YWMS plugin by frsantos.
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20 | */
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21 | public class RemoteControlHttpServer extends Thread {
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22 |
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23 | /** The server socket */
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24 | private ServerSocket server;
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25 |
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26 | private static RemoteControlHttpServer instance;
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27 |
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28 | /**
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29 | * Starts or restarts the HTTP server
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30 | */
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31 | public static void restartRemoteControlHttpServer() {
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32 | int port = Main.pref.getInteger("remote.control.port", 8111);
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33 | try {
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34 | stopRemoteControlHttpServer();
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35 |
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36 | instance = new RemoteControlHttpServer(port);
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37 | instance.start();
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38 | } catch (BindException ex) {
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39 | Main.warn(marktr("Warning: Cannot start remotecontrol server on port {0}: {1}"),
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40 | Integer.toString(port), ex.getLocalizedMessage());
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41 | } catch (IOException ioe) {
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42 | ioe.printStackTrace();
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43 | }
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44 | }
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45 |
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46 | /**
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47 | * Stops the HTTP server
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48 | * @since 5861
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49 | */
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50 | public static void stopRemoteControlHttpServer() {
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51 | if (instance != null) {
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52 | try {
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53 | instance.stopServer();
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54 | instance = null;
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55 | } catch (IOException ioe) {
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56 | ioe.printStackTrace();
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57 | }
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58 | }
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59 | }
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60 |
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61 | /**
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62 | * Constructor
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63 | * @param port The port this server will listen on
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64 | * @throws IOException when connection errors
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65 | */
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66 | public RemoteControlHttpServer(int port)
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67 | throws IOException
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68 | {
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69 | super("RemoteControl HTTP Server");
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70 | this.setDaemon(true);
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71 | // Start the server socket with only 1 connection.
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72 | // Also make sure we only listen
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73 | // on the local interface so nobody from the outside can connect!
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74 | // NOTE: On a dual stack machine with old Windows OS this may not listen on both interfaces!
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75 | this.server = new ServerSocket(port, 1,
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76 | InetAddress.getByName(Main.pref.get("remote.control.host", "localhost")));
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77 | }
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78 |
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79 | /**
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80 | * The main loop, spawns a {@link RequestProcessor} for each connection
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81 | */
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82 | @Override
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83 | public void run()
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84 | {
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85 | Main.info(marktr("RemoteControl::Accepting connections on port {0}"),
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86 | Integer.toString(server.getLocalPort()));
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87 | while (true)
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88 | {
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89 | try
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90 | {
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91 | Socket request = server.accept();
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92 | RequestProcessor.processRequest(request);
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93 | }
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94 | catch( SocketException se)
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95 | {
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96 | if( !server.isClosed() )
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97 | se.printStackTrace();
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98 | }
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99 | catch (IOException ioe)
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100 | {
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101 | ioe.printStackTrace();
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102 | }
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103 | }
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104 | }
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105 |
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106 | /**
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107 | * Stops the HTTP server
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108 | *
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109 | * @throws IOException
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110 | */
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111 | public void stopServer() throws IOException
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112 | {
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113 | server.close();
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114 | Main.info(marktr("RemoteControl::Server stopped."));
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115 | }
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116 | }
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