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1 package myVncClient;
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65
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2
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60
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3 import java.awt.*;
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4 import java.awt.event.*;
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5 import java.io.*;
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6 import java.net.*;
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7 import java.util.Random;
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60
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8
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9 import myVncClient.AcceptThread;
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10 import myVncClient.OptionsNoFrame;
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11
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69
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12 public class CuiMyVncClient implements InterfaceForViewer {
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13
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60
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14 public static void main(String[] argv) {
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15 CuiMyVncClient v = new CuiMyVncClient();
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16 v.runClient(argv, v);
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17
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60
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18 }
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19
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20 private void runClient(String[] argv, CuiMyVncClient v) {
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21 mainArgs = argv;
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22
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23 v.init(null);
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24 v.start_threads();
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25
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60
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26 }
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27
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28 String[] mainArgs;
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29 String username;
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30
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31 // RfbProto rfb;
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32 MyRfbProto rfb;
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33 Thread rfbThread;
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34 Thread accThread;
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35 Thread clientThread;
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36
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37 Frame vncFrame;
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38 Container vncContainer;
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39 ScrollPane desktopScrollPane;
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40 GridBagLayout gridbag;
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41 ButtonPanel buttonPanel;
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42 Label connStatusLabel;
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43 CuiVncCanvas vc;
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44 // OptionsFrame options;
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45 OptionsNoFrame options;
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46 ClipboardFrame clipboard;
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47 RecordingFrame rec;
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48
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49 // Control session recording.
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50 Object recordingSync;
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51 String sessionFileName;
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52 boolean recordingActive;
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53 boolean recordingStatusChanged;
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54 String cursorUpdatesDef;
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55 String eightBitColorsDef;
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56
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57 // Variables read from parameter values.
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58 String socketFactory;
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59 String host;
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60 int port;
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61 String passwordParam;
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62 boolean showControls;
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63 boolean offerRelogin;
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64 boolean showOfflineDesktop;
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65 int deferScreenUpdates;
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66 int deferCursorUpdates;
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67 int deferUpdateRequests;
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68 int debugStatsExcludeUpdates;
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69 int debugStatsMeasureUpdates;
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70
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71 private static final long serialVersionUID = 1L;
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72 boolean inAnApplet = true;
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73 boolean inSeparateFrame = false;
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74 Socket clientSocket = null;
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75 String parent, treenum;
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76 private String leaderflag;
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77 boolean runflag = false;
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78 boolean first = true;
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79
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80 EchoClient echo;
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81
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82 void checkArgs(String[] argv) {
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83 if (argv.length > 3) {
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84 username = argv[3];
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85 } else if (argv.length < 2) {
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86 System.out.println("Please enter argv");
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87 System.out.println("hostname(IPaddress) port password");
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88 System.exit(0);
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65
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89 } else {
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90 username = argv[0];
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91 }
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92 }
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93
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94 //
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95 // init()
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96 //
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97
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98 public void init(EchoClient value) {
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99 Random rnd = new Random();
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100 long ran = rnd.nextInt(5000);
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101 try {
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102 Thread.sleep(ran);
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103 } catch (InterruptedException e1) {
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104 e1.printStackTrace();
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105 }
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106 // readParameters();
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107
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108 readParameters(value);
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109
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110 options = new OptionsNoFrame(this);
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111 recordingSync = new Object();
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112
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113 sessionFileName = null;
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114 recordingActive = false;
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115 recordingStatusChanged = false;
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116 cursorUpdatesDef = null;
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117 eightBitColorsDef = null;
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118
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67
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119 /*
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120 * try { connectAndAuthenticate(); } catch (NoRouteToHostException e) {
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121 * fatalError("Network error: no route to server: " + host, e); } catch
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122 * (UnknownHostException e) {
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123 * fatalError("Network error: server name unknown: " + host, e); } catch
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124 * (ConnectException e) {
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125 * fatalError("Network error: could not connect to server: " + host +
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126 * ":" + port, e); } catch (Exception e) { }
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127 */
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128 rfbThread = new Thread(this);
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129
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130 }
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131
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132 //
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133 // run() - executed by the rfbThread to deal with the RFB socket.
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134 //
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135
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136 public void start_threads() {
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137 rfbThread.start();
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138 }
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139
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140 public void run() {
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141
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142 try {
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143 if (first) {
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144 connectAndAuthenticate();
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145 first = false;
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146 }else {
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147 reConnectAndAuthenticate();
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148 }
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149 accThread = new Thread(new AcceptThread(rfb, 5999));
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150 accThread.start();
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151 doProtocolInitialisation();
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152
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153 vc = new CuiVncCanvas(this, 0, 0);
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154 vc.updateFramebufferSize();
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155
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156 } catch (IOException e) {
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157 System.out.println("Socket error");
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158 // parent no find
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159 Random rnd = new Random();
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160 long ran = rnd.nextInt(5000) + 5000;
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161 System.out.println(ran);
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162 // 親がいない場合の処理はここに書く！！！！
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163 /**
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164 * this while reconnection
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165 */
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166
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167 int counter = 0;
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168
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67
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169 /*
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170 vncFrame.setVisible(false);
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171 vncFrame.dispose();
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172 */
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67
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173 while (true) {
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174 /**
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175 * if my last node case reconnectoion stop
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176 */
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177
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178 echo = new EchoClient(echo, this);
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179 try {
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180 Thread.sleep(ran);
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181 } catch (InterruptedException e1) {
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182 e1.printStackTrace();
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183 }
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184
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185 if (counter >= 3) {
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186 echo.openport();
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187 echo.notfoundParent();
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188 }
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189
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190 echo.openport();
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191 // runflag = echo.losthost();
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192 if (echo.losthost()) {
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193 return;
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194 }
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195 counter++;
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196 }
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197
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198 // System.exit(0);
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199 }catch (Exception e) {
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200 System.out.println(e);
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201 System.exit(0);
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202 }
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203 try{
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204
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205 processNormalProtocol();// main loop
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206
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207 } catch (NoRouteToHostException e) {
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208 fatalError("Network error: no route to server: " + host, e);
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209 } catch (UnknownHostException e) {
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210 fatalError("Network error: server name unknown: " + host, e);
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211 } catch (ConnectException e) {
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212 fatalError("Network error: could not connect to server: " + host
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213 + ":" + port, e);
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214 } catch (EOFException e) {
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215
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216 if (leaderflag != null) {
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217 while (true) {
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218 echo = new EchoClient(echo, this);
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219 echo.openport();
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220 // runflag = echo.losthost();
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221 if (echo.losthost()) {
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222 break;
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223 }
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224 }
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225 } else {
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226 if (showOfflineDesktop) {
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227 e.printStackTrace();
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228 System.out
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229 .println("Network error: remote side closed connection");
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230 if (vc != null) {
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231 vc.enableInput(false);
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232 }
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233 if (rfb != null && !rfb.closed())
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234 rfb.close();
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235 if (showControls && buttonPanel != null) {
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236 buttonPanel.disableButtonsOnDisconnect();
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237 }
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238 } else {
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239 fatalError("Network error: remote side closed connection",
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240 e);
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241 }
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60
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242 }
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243 } catch (IOException e) {
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244 String str = e.getMessage();
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245 if (str != null && str.length() != 0) {
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246 fatalError("Network Error: " + str, e);
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247 } else {
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248 fatalError(e.toString(), e);
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249 }
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65
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250 } catch (Exception e) {
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251 String str = e.getMessage();
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252 if (str != null && str.length() != 0) {
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253 fatalError("Error: " + str, e);
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254 } else {
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255 fatalError(e.toString(), e);
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256 }
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257 }
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258
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259 }
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260
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261 //
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262 // Process RFB socket messages.
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263 // If the rfbThread is being stopped, ignore any exceptions,
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264 // otherwise rethrow the exception so it can be handled.
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265 //
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266
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267 void processNormalProtocol() throws Exception {
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268 try {
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269 vc.processNormalProtocol();// main loop
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270 } catch (Exception e) {
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271 if (rfbThread == null) {
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272 System.out.println("Ignoring RFB socket exceptions"
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273 + " because applet is stopping");
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274 } else {
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275 throw e;
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276 }
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277 }
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278 }
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279
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280 //
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281 // Connect to the RFB server and authenticate the user.
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282 //
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283
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284 void connectAndAuthenticate() throws Exception {
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285 showConnectionStatus("Initializing...");
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286
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287 showConnectionStatus("Connecting to " + host + ", port " + port + "...");
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288
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289 // rfb = new RfbProto(host, port, this);
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290 rfb = new MyRfbProto(host, port);
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291
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292 showConnectionStatus("Connected to server");
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293
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294 rfb.readVersionMsg();
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295 showConnectionStatus("RFB server supports protocol version "
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296 + rfb.serverMajor + "." + rfb.serverMinor);
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297
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298 rfb.writeVersionMsg();
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299 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor
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300 + "." + rfb.clientMinor);
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301
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302 int secType = rfb.negotiateSecurity();
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303 int authType;
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304 if (secType == RfbProto.SecTypeTight) {
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305 showConnectionStatus("Enabling TightVNC protocol extensions");
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306 rfb.setupTunneling();
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307 authType = rfb.negotiateAuthenticationTight();
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308 } else {
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309 authType = secType;
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310 }
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311
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312 switch (authType) {
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313 case RfbProto.AuthNone:
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314 showConnectionStatus("No authentication needed");
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315 rfb.authenticateNone();
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316 break;
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317 case RfbProto.AuthVNC:
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318 showConnectionStatus("Performing standard VNC authentication");
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319 if (passwordParam != null) {
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320 rfb.authenticateVNC(passwordParam);
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321 } else {
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322 String pw = askPassword();
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323 rfb.authenticateVNC(pw);
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324 }
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325 break;
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326 default:
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327 throw new Exception("Unknown authentication scheme " + authType);
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328 }
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329 }
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330
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69
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331
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332
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333 void reConnectAndAuthenticate() throws Exception {
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334 showConnectionStatus("Initializing...");
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335
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336 showConnectionStatus("Connecting to " + host + ", port " + port + "...");
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337
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338 rfb.changeParent(host, port);
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339
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340 showConnectionStatus("Connected to server");
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341
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342 rfb.readVersionMsg();
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343 showConnectionStatus("RFB server supports protocol version "
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344 + rfb.serverMajor + "." + rfb.serverMinor);
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345
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346 rfb.writeVersionMsg();
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347 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor
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348 + "." + rfb.clientMinor);
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349
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350 int secType = rfb.negotiateSecurity();
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351 int authType;
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352 if (secType == RfbProto.SecTypeTight) {
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353 showConnectionStatus("Enabling TightVNC protocol extensions");
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354 rfb.setupTunneling();
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355 authType = rfb.negotiateAuthenticationTight();
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356 } else {
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357 authType = secType;
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358 }
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359
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360 switch (authType) {
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361 case RfbProto.AuthNone:
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362 showConnectionStatus("No authentication needed");
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363 rfb.authenticateNone();
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364 break;
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365 case RfbProto.AuthVNC:
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366 showConnectionStatus("Performing standard VNC authentication");
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367 if (passwordParam != null) {
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368 rfb.authenticateVNC(passwordParam);
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369 } else {
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370 String pw = askPassword();
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371 rfb.authenticateVNC(pw);
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372 }
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373 break;
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374 default:
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375 throw new Exception("Unknown authentication scheme " + authType);
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376 }
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377 }
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378
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60
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379 //
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380 // Show a message describing the connection status.
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381 // To hide the connection status label, use (msg == null).
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382 //
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383
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384 void showConnectionStatus(String msg) {
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385 System.out.println(msg);
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386 }
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387
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388 //
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389 // Show an authentication panel.
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390 //
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391
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392 String askPassword() throws Exception {
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393 /*
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65
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394 * showConnectionStatus(null); AuthPanel authPanel = new
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395 * AuthPanel(this);
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60
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396 *
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397 * GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth =
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398 * GridBagConstraints.REMAINDER; gbc.anchor =
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399 * GridBagConstraints.NORTHWEST; gbc.weightx = 1.0; gbc.weighty = 1.0;
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400 * gbc.ipadx = 100; gbc.ipady = 50; gridbag.setConstraints(authPanel,
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401 * gbc); vncContainer.add(authPanel);
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65
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402 *
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403 *
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404 * authPanel.moveFocusToDefaultField(); vncContainer.remove(authPanel);
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60
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405 */
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406 showConnectionStatus("ask password...");
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407 String pw = mainArgs[2];
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408 return pw;
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409 }
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410
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411 //
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412 // Do the rest of the protocol initialisation.
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413 //
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414
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415 void doProtocolInitialisation() throws IOException {
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416 rfb.writeClientInit();
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417 rfb.readServerInit();
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418
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419 System.out.println("Desktop name is " + rfb.desktopName);
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420 System.out.println("Desktop size is " + rfb.framebufferWidth + " x "
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421 + rfb.framebufferHeight);
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422
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423 setEncodings();
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424
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65
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425 // showConnectionStatus(null);
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60
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426 }
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427
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428 //
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429 // Send current encoding list to the RFB server.
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430 //
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431
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432 int[] encodingsSaved;
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433 int nEncodingsSaved;
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434
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435 void setEncodings() {
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436 setEncodings(false);
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437 }
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438
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439 void autoSelectEncodings() {
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440 setEncodings(true);
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441 }
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442
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443 void setEncodings(boolean autoSelectOnly) {
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444 if (options == null || rfb == null || !rfb.inNormalProtocol)
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445 return;
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446
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447 int preferredEncoding = options.preferredEncoding;
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|
448 if (preferredEncoding == -1) {
|
|
|
449 long kbitsPerSecond = rfb.kbitsPerSecond();
|
|
|
450 if (nEncodingsSaved < 1) {
|
|
|
451 // Choose Tight or ZRLE encoding for the very first update.
|
|
|
452 System.out.println("Using Tight/ZRLE encodings");
|
|
|
453 preferredEncoding = RfbProto.EncodingTight;
|
|
|
454 } else if (kbitsPerSecond > 2000
|
|
|
455 && encodingsSaved[0] != RfbProto.EncodingHextile) {
|
|
|
456 // Switch to Hextile if the connection speed is above 2Mbps.
|
|
|
457 System.out.println("Throughput " + kbitsPerSecond
|
|
|
458 + " kbit/s - changing to Hextile encoding");
|
|
|
459 preferredEncoding = RfbProto.EncodingHextile;
|
|
|
460 } else if (kbitsPerSecond < 1000
|
|
|
461 && encodingsSaved[0] != RfbProto.EncodingTight) {
|
|
|
462 // Switch to Tight/ZRLE if the connection speed is below 1Mbps.
|
|
|
463 System.out.println("Throughput " + kbitsPerSecond
|
|
|
464 + " kbit/s - changing to Tight/ZRLE encodings");
|
|
|
465 preferredEncoding = RfbProto.EncodingTight;
|
|
|
466 } else {
|
|
|
467 // Don't change the encoder.
|
|
|
468 if (autoSelectOnly)
|
|
|
469 return;
|
|
|
470 preferredEncoding = encodingsSaved[0];
|
|
|
471 }
|
|
|
472 } else {
|
|
|
473 // Auto encoder selection is not enabled.
|
|
|
474 if (autoSelectOnly)
|
|
|
475 return;
|
|
|
476 }
|
|
|
477
|
|
|
478 int[] encodings = new int[20];
|
|
|
479 int nEncodings = 0;
|
|
|
480
|
|
|
481 encodings[nEncodings++] = preferredEncoding;
|
|
|
482 if (options.useCopyRect) {
|
|
|
483 encodings[nEncodings++] = RfbProto.EncodingCopyRect;
|
|
|
484 }
|
|
|
485 if (preferredEncoding != RfbProto.EncodingTight) {
|
|
|
486 encodings[nEncodings++] = RfbProto.EncodingTight;
|
|
|
487 }
|
|
|
488 if (preferredEncoding != RfbProto.EncodingZRLE) {
|
|
|
489 encodings[nEncodings++] = RfbProto.EncodingZRLE;
|
|
|
490 }
|
|
|
491 if (preferredEncoding != RfbProto.EncodingHextile) {
|
|
|
492 encodings[nEncodings++] = RfbProto.EncodingHextile;
|
|
|
493 }
|
|
|
494 if (preferredEncoding != RfbProto.EncodingZlib) {
|
|
|
495 encodings[nEncodings++] = RfbProto.EncodingZlib;
|
|
|
496 }
|
|
|
497 /*
|
|
65
|
498 * if (preferredEncoding != RfbProto.EncodingCoRRE) {
|
|
|
499 * encodings[nEncodings++] = RfbProto.EncodingCoRRE; } if
|
|
|
500 * (preferredEncoding != RfbProto.EncodingRRE) { encodings[nEncodings++]
|
|
|
501 * = RfbProto.EncodingRRE; }
|
|
|
502 *
|
|
|
503 * if (options.compressLevel >= 0 && options.compressLevel <= 9) {
|
|
|
504 * encodings[nEncodings++] = RfbProto.EncodingCompressLevel0 +
|
|
|
505 * options.compressLevel; } if (options.jpegQuality >= 0 &&
|
|
|
506 * options.jpegQuality <= 9) { encodings[nEncodings++] =
|
|
|
507 * RfbProto.EncodingQualityLevel0 + options.jpegQuality; } if
|
|
|
508 * (options.requestCursorUpdates) { encodings[nEncodings++] =
|
|
|
509 * RfbProto.EncodingXCursor; encodings[nEncodings++] =
|
|
|
510 * RfbProto.EncodingRichCursor; if (!options.ignoreCursorUpdates)
|
|
|
511 * encodings[nEncodings++] = RfbProto.EncodingPointerPos; }
|
|
|
512 */
|
|
60
|
513
|
|
|
514 encodings[nEncodings++] = RfbProto.EncodingLastRect;
|
|
|
515 encodings[nEncodings++] = RfbProto.EncodingNewFBSize;
|
|
|
516
|
|
|
517 boolean encodingsWereChanged = false;
|
|
|
518 if (nEncodings != nEncodingsSaved) {
|
|
|
519 encodingsWereChanged = true;
|
|
|
520 } else {
|
|
|
521 for (int i = 0; i < nEncodings; i++) {
|
|
|
522 if (encodings[i] != encodingsSaved[i]) {
|
|
|
523 encodingsWereChanged = true;
|
|
|
524 break;
|
|
|
525 }
|
|
|
526 }
|
|
|
527 }
|
|
|
528
|
|
|
529 if (encodingsWereChanged) {
|
|
|
530 try {
|
|
65
|
531 // rfb.writeSetEncodings(encodings, nEncodings);
|
|
60
|
532 if (vc != null) {
|
|
|
533 vc.softCursorFree();
|
|
|
534 }
|
|
|
535 } catch (Exception e) {
|
|
|
536 e.printStackTrace();
|
|
|
537 }
|
|
|
538 encodingsSaved = encodings;
|
|
|
539 nEncodingsSaved = nEncodings;
|
|
|
540 }
|
|
|
541 }
|
|
|
542
|
|
|
543 //
|
|
|
544 // setCutText() - send the given cut text to the RFB server.
|
|
|
545 //
|
|
|
546
|
|
|
547 void setCutText(String text) {
|
|
|
548 try {
|
|
|
549 if (rfb != null && rfb.inNormalProtocol) {
|
|
|
550 rfb.writeClientCutText(text);
|
|
|
551 }
|
|
|
552 } catch (Exception e) {
|
|
|
553 e.printStackTrace();
|
|
|
554 }
|
|
|
555 }
|
|
|
556
|
|
|
557 //
|
|
|
558 // Order change in session recording status. To stop recording, pass
|
|
|
559 // null in place of the fname argument.
|
|
|
560 //
|
|
|
561
|
|
|
562 void setRecordingStatus(String fname) {
|
|
|
563 synchronized (recordingSync) {
|
|
|
564 sessionFileName = fname;
|
|
|
565 recordingStatusChanged = true;
|
|
|
566 }
|
|
|
567 }
|
|
|
568
|
|
|
569 //
|
|
|
570 // Start or stop session recording. Returns true if this method call
|
|
|
571 // causes recording of a new session.
|
|
|
572 //
|
|
|
573
|
|
|
574 boolean checkRecordingStatus() throws IOException {
|
|
|
575 synchronized (recordingSync) {
|
|
|
576 if (recordingStatusChanged) {
|
|
|
577 recordingStatusChanged = false;
|
|
|
578 if (sessionFileName != null) {
|
|
|
579 startRecording();
|
|
|
580 return true;
|
|
|
581 } else {
|
|
|
582 stopRecording();
|
|
|
583 }
|
|
|
584 }
|
|
|
585 }
|
|
|
586 return false;
|
|
|
587 }
|
|
|
588
|
|
|
589 //
|
|
|
590 // Start session recording.
|
|
|
591 //
|
|
|
592
|
|
|
593 protected void startRecording() throws IOException {
|
|
|
594 synchronized (recordingSync) {
|
|
|
595 if (!recordingActive) {
|
|
|
596 // Save settings to restore them after recording the session.
|
|
|
597 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex]
|
|
|
598 .getSelectedItem();
|
|
|
599 eightBitColorsDef = options.choices[options.eightBitColorsIndex]
|
|
|
600 .getSelectedItem();
|
|
|
601 // Set options to values suitable for recording.
|
|
|
602 options.choices[options.cursorUpdatesIndex].select("Disable");
|
|
|
603 options.choices[options.cursorUpdatesIndex].setEnabled(false);
|
|
|
604 options.setEncodings();
|
|
|
605 options.choices[options.eightBitColorsIndex].select("No");
|
|
|
606 options.choices[options.eightBitColorsIndex].setEnabled(false);
|
|
|
607 options.setColorFormat();
|
|
|
608 } else {
|
|
|
609 rfb.closeSession();
|
|
|
610 }
|
|
|
611
|
|
|
612 System.out.println("Recording the session in " + sessionFileName);
|
|
|
613 rfb.startSession(sessionFileName);
|
|
|
614 recordingActive = true;
|
|
|
615 }
|
|
|
616 }
|
|
|
617
|
|
|
618 //
|
|
|
619 // Stop session recording.
|
|
|
620 //
|
|
|
621
|
|
|
622 protected void stopRecording() throws IOException {
|
|
|
623 synchronized (recordingSync) {
|
|
|
624 if (recordingActive) {
|
|
|
625 // Restore options.
|
|
|
626 options.choices[options.cursorUpdatesIndex]
|
|
|
627 .select(cursorUpdatesDef);
|
|
|
628 options.choices[options.cursorUpdatesIndex].setEnabled(true);
|
|
|
629 options.setEncodings();
|
|
|
630 options.choices[options.eightBitColorsIndex]
|
|
|
631 .select(eightBitColorsDef);
|
|
|
632 options.choices[options.eightBitColorsIndex].setEnabled(true);
|
|
|
633 options.setColorFormat();
|
|
|
634
|
|
|
635 rfb.closeSession();
|
|
|
636 System.out.println("Session recording stopped.");
|
|
|
637 }
|
|
|
638 sessionFileName = null;
|
|
|
639 recordingActive = false;
|
|
|
640 }
|
|
|
641 }
|
|
|
642
|
|
|
643 //
|
|
|
644 // readParameters() - read parameters from the html source or from the
|
|
|
645 // command line. On the command line, the arguments are just a sequence of
|
|
|
646 // param_name/param_value pairs where the names and values correspond to
|
|
|
647 // those expected in the html applet tag source.
|
|
|
648 //
|
|
|
649
|
|
|
650 void readParameters(EchoClient value) {
|
|
|
651 /*
|
|
|
652 * host = readParameter("HOST", !inAnApplet);
|
|
|
653 *
|
|
|
654 * if (host == null) { host = getCodeBase().getHost(); if
|
|
|
655 * (host.equals("")) { fatalError("HOST parameter not specified"); } }
|
|
|
656 *
|
|
|
657 * port = readIntParameter("PORT", 5550);
|
|
|
658 */
|
|
|
659 if (value == null) {
|
|
|
660
|
|
|
661 if (clientSocket == null) {
|
|
|
662 String pHost;
|
|
65
|
663 if (mainArgs.length > 0)
|
|
|
664 pHost = mainArgs[0];
|
|
|
665 else
|
|
|
666 pHost = "cls080.ie.u-ryukyu.ac.jp";
|
|
|
667 echo = new EchoClient(pHost, this);
|
|
60
|
668 echo.openport();
|
|
65
|
669
|
|
60
|
670 value = echo.hostn("1");
|
|
|
671 } else {
|
|
|
672 echo = new EchoClient();
|
|
|
673 value = echo.Interruption(clientSocket);
|
|
|
674 }
|
|
|
675 }
|
|
|
676 // proxyからの返信で接続先を決定する
|
|
|
677 host = value.responseLine;
|
|
|
678 parent = value.parent;
|
|
65
|
679 if (value.treenum != null) {
|
|
60
|
680 treenum = value.treenum;
|
|
|
681 } else {
|
|
|
682 treenum = echo.treenum;
|
|
|
683 }
|
|
65
|
684 if (value.leaderflag != null) {
|
|
60
|
685 leaderflag = value.leaderflag;
|
|
|
686 } else {
|
|
|
687 leaderflag = echo.leaderflag;
|
|
|
688 }
|
|
|
689 System.out.println("Parent =" + parent);
|
|
|
690 System.out.println("mynumber =" + treenum);
|
|
|
691 System.out.println("connect host =" + host);
|
|
|
692 System.out.println("leaderflag(boolean) = " + leaderflag);
|
|
65
|
693
|
|
60
|
694 echo = value;
|
|
|
695
|
|
65
|
696 /*
|
|
|
697 * if (host == null) { host = getCodeBase().getHost(); if
|
|
|
698 * (host.equals("")) { fatalError("HOST parameter not specified"); } }
|
|
|
699 */
|
|
60
|
700 port = 5999;
|
|
|
701 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified.
|
|
65
|
702 // readPasswordParameters();
|
|
60
|
703
|
|
|
704 String str;
|
|
|
705 if (inAnApplet) {
|
|
|
706 str = readParameter("Open New Window", false);
|
|
|
707 if (str != null && str.equalsIgnoreCase("Yes"))
|
|
|
708 inSeparateFrame = true;
|
|
|
709 }
|
|
|
710
|
|
|
711 // "Show Controls" set to "No" disables button panel.
|
|
|
712 showControls = true;
|
|
|
713 str = readParameter("Show Controls", false);
|
|
|
714 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
715 showControls = false;
|
|
|
716
|
|
|
717 // "Offer Relogin" set to "No" disables "Login again" and "Close
|
|
|
718 // window" buttons under error messages in applet mode.
|
|
|
719 offerRelogin = true;
|
|
|
720 str = readParameter("Offer Relogin", false);
|
|
|
721 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
722 offerRelogin = false;
|
|
|
723
|
|
|
724 // Do we continue showing desktop on remote disconnect?
|
|
|
725 showOfflineDesktop = false;
|
|
|
726 str = readParameter("Show Offline Desktop", false);
|
|
|
727 if (str != null && str.equalsIgnoreCase("Yes"))
|
|
|
728 showOfflineDesktop = true;
|
|
|
729
|
|
|
730 // Fine tuning options.
|
|
|
731 deferScreenUpdates = readIntParameter("Defer screen updates", 20);
|
|
|
732 deferCursorUpdates = readIntParameter("Defer cursor updates", 10);
|
|
|
733 deferUpdateRequests = readIntParameter("Defer update requests", 0);
|
|
|
734
|
|
|
735 // Debugging options.
|
|
|
736 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0);
|
|
|
737 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0);
|
|
|
738
|
|
|
739 // SocketFactory.
|
|
|
740 socketFactory = readParameter("SocketFactory", false);
|
|
|
741 }
|
|
|
742
|
|
|
743 //
|
|
|
744 // Read password parameters. If an "ENCPASSWORD" parameter is set,
|
|
|
745 // then decrypt the password into the passwordParam string. Otherwise,
|
|
|
746 // try to read the "PASSWORD" parameter directly to passwordParam.
|
|
|
747 //
|
|
|
748
|
|
|
749 private void readPasswordParameters() {
|
|
|
750 String encPasswordParam = readParameter("ENCPASSWORD", false);
|
|
|
751
|
|
|
752 if (encPasswordParam == null) {
|
|
65
|
753 passwordParam = readParameter("PASSWORD", false);
|
|
60
|
754 } else {
|
|
|
755 // ENCPASSWORD is hexascii-encoded. Decode.
|
|
|
756 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
757 int len = encPasswordParam.length() / 2;
|
|
|
758 if (len > 8)
|
|
|
759 len = 8;
|
|
|
760 for (int i = 0; i < len; i++) {
|
|
|
761 String hex = encPasswordParam.substring(i * 2, i * 2 + 2);
|
|
|
762 Integer x = new Integer(Integer.parseInt(hex, 16));
|
|
|
763 pw[i] = x.byteValue();
|
|
|
764 }
|
|
|
765 // Decrypt the password.
|
|
|
766 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 };
|
|
|
767 DesCipher des = new DesCipher(key);
|
|
|
768 des.decrypt(pw, 0, pw, 0);
|
|
|
769 passwordParam = new String(pw);
|
|
|
770
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 public String readParameter(String name, boolean required) {
|
|
|
775 for (int i = 0; i < mainArgs.length; i += 2) {
|
|
|
776 if (mainArgs[i].equalsIgnoreCase(name)) {
|
|
|
777 try {
|
|
|
778 return mainArgs[i + 1];
|
|
|
779 } catch (Exception e) {
|
|
|
780 if (required) {
|
|
|
781 fatalError(name + " parameter not specified");
|
|
|
782 }
|
|
|
783 return null;
|
|
|
784 }
|
|
|
785 }
|
|
|
786 }
|
|
|
787 if (required) {
|
|
|
788 fatalError(name + " parameter not specified");
|
|
|
789 }
|
|
|
790 return null;
|
|
|
791 }
|
|
|
792
|
|
|
793 int readIntParameter(String name, int defaultValue) {
|
|
|
794 String str = readParameter(name, false);
|
|
|
795 int result = defaultValue;
|
|
|
796 if (str != null) {
|
|
|
797 try {
|
|
|
798 result = Integer.parseInt(str);
|
|
|
799 } catch (NumberFormatException e) {
|
|
|
800 }
|
|
|
801 }
|
|
|
802 return result;
|
|
|
803 }
|
|
|
804
|
|
|
805 //
|
|
|
806 // disconnect() - close connection to server.
|
|
|
807 //
|
|
|
808
|
|
|
809 synchronized public void disconnect() {
|
|
|
810 System.out.println("Disconnecting");
|
|
|
811
|
|
|
812 if (vc != null) {
|
|
|
813 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0;
|
|
|
814 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0;
|
|
|
815 int nRealRects = vc.statNumPixelRects;
|
|
|
816 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects;
|
|
|
817 System.out.println("Updates received: " + vc.statNumUpdates + " ("
|
|
|
818 + nRealRects + " rectangles + " + nPseudoRects
|
|
|
819 + " pseudo), " + rate + " updates/sec");
|
|
|
820 int numRectsOther = nRealRects - vc.statNumRectsTight
|
|
|
821 - vc.statNumRectsZRLE - vc.statNumRectsHextile
|
|
|
822 - vc.statNumRectsRaw - vc.statNumRectsCopy;
|
|
|
823 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight
|
|
|
824 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE="
|
|
|
825 + vc.statNumRectsZRLE + " Hextile="
|
|
|
826 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw
|
|
|
827 + " CopyRect=" + vc.statNumRectsCopy + " other="
|
|
|
828 + numRectsOther);
|
|
|
829
|
|
|
830 int raw = vc.statNumBytesDecoded;
|
|
|
831 int compressed = vc.statNumBytesEncoded;
|
|
|
832 if (compressed > 0) {
|
|
|
833 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0;
|
|
|
834 System.out.println("Pixel data: " + vc.statNumBytesDecoded
|
|
|
835 + " bytes, " + vc.statNumBytesEncoded
|
|
|
836 + " compressed, ratio " + ratio);
|
|
|
837 }
|
|
|
838 }
|
|
|
839
|
|
|
840 if (rfb != null && !rfb.closed())
|
|
|
841 rfb.close();
|
|
65
|
842 // options.dispose();
|
|
60
|
843 clipboard.dispose();
|
|
|
844 if (rec != null)
|
|
|
845 rec.dispose();
|
|
|
846
|
|
|
847 System.exit(0);
|
|
|
848
|
|
|
849 }
|
|
|
850
|
|
|
851 //
|
|
|
852 // fatalError() - print out a fatal error message.
|
|
|
853 // FIXME: Do we really need two versions of the fatalError() method?
|
|
|
854 //
|
|
|
855
|
|
|
856 synchronized public void fatalError(String str) {
|
|
|
857 System.out.println(str);
|
|
|
858 System.exit(1);
|
|
|
859 }
|
|
|
860
|
|
|
861 synchronized public void fatalError(String str, Exception e) {
|
|
|
862
|
|
|
863 if (rfb != null && rfb.closed()) {
|
|
|
864 // Not necessary to show error message if the error was caused
|
|
|
865 // by I/O problems after the rfb.close() method call.
|
|
|
866 System.out.println("RFB thread finished");
|
|
|
867 return;
|
|
|
868 }
|
|
|
869
|
|
|
870 System.out.println(str);
|
|
|
871 e.printStackTrace();
|
|
|
872
|
|
|
873 if (rfb != null)
|
|
|
874 rfb.close();
|
|
|
875
|
|
|
876 System.exit(1);
|
|
|
877
|
|
|
878 }
|
|
|
879
|
|
|
880 //
|
|
|
881 // Show message text and optionally "Relogin" and "Close" buttons.
|
|
|
882 //
|
|
|
883
|
|
|
884 void showMessage(String msg) {
|
|
|
885 vncContainer.removeAll();
|
|
|
886
|
|
|
887 Label errLabel = new Label(msg, Label.CENTER);
|
|
|
888 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12));
|
|
|
889
|
|
|
890 if (offerRelogin) {
|
|
|
891 /*
|
|
|
892 * Panel gridPanel = new Panel(new GridLayout(0, 1)); Panel
|
|
|
893 * outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT));
|
|
|
894 * outerPanel.add(gridPanel); vncContainer.setLayout(new
|
|
|
895 * FlowLayout(FlowLayout.LEFT, 30, 16));
|
|
|
896 * vncContainer.add(outerPanel); Panel textPanel = new Panel(new
|
|
|
897 * FlowLayout(FlowLayout.CENTER)); textPanel.add(errLabel);
|
|
|
898 * gridPanel.add(textPanel); gridPanel.add(new ReloginPanel(this));
|
|
|
899 */
|
|
|
900 } else {
|
|
|
901 /*
|
|
|
902 * vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30));
|
|
|
903 * vncContainer.add(errLabel);
|
|
|
904 */
|
|
|
905 }
|
|
|
906
|
|
|
907 }
|
|
|
908
|
|
|
909 //
|
|
|
910 // Stop the applet.
|
|
|
911 // Main applet thread will terminate on first exception
|
|
|
912 // after seeing that rfbThread has been set to null.
|
|
|
913 //
|
|
|
914
|
|
|
915 public void stop() {
|
|
|
916 System.out.println("Stopping applet");
|
|
|
917 rfbThread = null;
|
|
|
918 }
|
|
|
919
|
|
|
920 //
|
|
|
921 // This method is called before the applet is destroyed.
|
|
|
922 //
|
|
|
923
|
|
|
924 public void destroy() {
|
|
|
925 System.out.println("Destroying applet");
|
|
|
926
|
|
|
927 vncContainer.removeAll();
|
|
65
|
928 // options.dispose();
|
|
60
|
929 clipboard.dispose();
|
|
|
930 if (rec != null)
|
|
|
931 rec.dispose();
|
|
|
932 if (rfb != null && !rfb.closed())
|
|
|
933 rfb.close();
|
|
|
934 }
|
|
|
935
|
|
|
936 //
|
|
|
937 // Start/stop receiving mouse events.
|
|
|
938 //
|
|
|
939
|
|
|
940 public void enableInput(boolean enable) {
|
|
|
941 vc.enableInput(enable);
|
|
|
942 }
|
|
|
943
|
|
|
944 //
|
|
|
945 // Close application properly on window close event.
|
|
|
946 //
|
|
|
947
|
|
|
948 public void windowClosing(WindowEvent evt) {
|
|
|
949 System.out.println("Closing window");
|
|
|
950 if (rfb != null)
|
|
|
951 disconnect();
|
|
|
952
|
|
|
953 vncContainer.hide();
|
|
|
954
|
|
|
955 }
|
|
|
956
|
|
|
957 //
|
|
|
958 // Ignore window events we're not interested in.
|
|
|
959 //
|
|
|
960
|
|
|
961 public void windowActivated(WindowEvent evt) {
|
|
|
962 }
|
|
|
963
|
|
|
964 public void windowDeactivated(WindowEvent evt) {
|
|
|
965 }
|
|
|
966
|
|
|
967 public void windowOpened(WindowEvent evt) {
|
|
|
968 }
|
|
|
969
|
|
|
970 public void windowClosed(WindowEvent evt) {
|
|
|
971 }
|
|
|
972
|
|
|
973 public void windowIconified(WindowEvent evt) {
|
|
|
974 }
|
|
|
975
|
|
|
976 public void windowDeiconified(WindowEvent evt) {
|
|
|
977 }
|
|
|
978
|
|
|
979 public void setClientSocket(Socket sock) {
|
|
|
980 clientSocket = sock;
|
|
|
981 }
|
|
|
982
|
|
65
|
983 public void start() {
|
|
|
984
|
|
61
|
985 }
|
|
65
|
986
|
|
60
|
987 }
|
