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0
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1 package treeVnc;
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2
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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.nio.ByteBuffer;
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8 import java.util.Random;
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9 /*
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10 import AcceptThread;
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11 import OptionsNoFrame;
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12 */
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13
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14 public class CuiMyVncClient implements InterfaceForViewer {
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15
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16
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17 String[] mainArgs;
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18 String username;
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19
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20 // RfbProto rfb;
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21 MyRfbProtoClient rfb;
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22 Thread rfbThread;
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23 Thread accThread;
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24 Thread clientThread;
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25
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26 Frame vncFrame;
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27 Container vncContainer;
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28 ScrollPane desktopScrollPane;
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29 GridBagLayout gridbag;
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30 ButtonPanel buttonPanel;
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31 Label connStatusLabel;
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32 CuiVncCanvas vc;
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33 // OptionsFrame options;
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34 OptionsNoFrame options;
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35 ClipboardFrame clipboard;
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36 RecordingFrame rec;
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37
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38 // Control session recording.
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39 Object recordingSync;
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40 String sessionFileName;
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41 boolean recordingActive;
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42 boolean recordingStatusChanged;
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43 String cursorUpdatesDef;
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44 String eightBitColorsDef;
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45
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46 // Variables read from parameter values.
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47 String socketFactory;
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48 String host;
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49 int port;
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50 String passwordParam;
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51 boolean showControls;
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52 boolean offerRelogin;
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53 boolean showOfflineDesktop;
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54 int deferScreenUpdates;
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55 int deferCursorUpdates;
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56 int deferUpdateRequests;
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57 int debugStatsExcludeUpdates;
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58 int debugStatsMeasureUpdates;
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59
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60 private static final long serialVersionUID = 1L;
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61 boolean inAnApplet = true;
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62 boolean inSeparateFrame = false;
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63 Socket clientSocket = null;
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64 String parent, treenum;
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65 private String leaderflag;
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66 boolean runflag = false;
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67 boolean first = true;
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68
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69 EchoClient echoValue;
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70 int echoPort;
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71 String pHost;
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72
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73 public static void main(String[] argv) {
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74 CuiMyVncClient v = new CuiMyVncClient();
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75 v.echoValue = null;
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76 v.runClient(argv, v);
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77
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78 }
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79
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80 private void runClient(String[] argv, CuiMyVncClient v) {
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81 mainArgs = argv;
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82
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83 if (mainArgs.length > 0)
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84 pHost = mainArgs[0];
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85 else
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86 pHost = "cls080.ie.u-ryukyu.ac.jp";
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87 if (mainArgs.length > 1)
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88 port = Integer.parseInt(mainArgs[1]);
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89 else
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90 port = 5999;
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91
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92 v.init();
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93 v.start_threads();
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94
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95 }
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96
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97
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98 void checkArgs(String[] argv) {
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99 if (argv.length > 3) {
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100 username = argv[3];
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101 } else if (argv.length < 2) {
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102 System.out.println("Please enter argv");
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103 System.out.println("hostname(IPaddress) port password");
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104 System.exit(0);
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105 } else {
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106 username = argv[0];
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107 }
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108 }
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109
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110 //
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111 // init()
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112 //
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113
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114 public void init() {
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115
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116 Random rnd = new Random();
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117 long ran = rnd.nextInt(5000);
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118 try {
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119 Thread.sleep(ran);
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120 } catch (InterruptedException e) {
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121 e.printStackTrace();
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122 }
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123
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124 readParameters();
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125 //readParameters(value);
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126
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127 options = new OptionsNoFrame(this);
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128 recordingSync = new Object();
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129
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130 sessionFileName = null;
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131 recordingActive = false;
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132 recordingStatusChanged = false;
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133 cursorUpdatesDef = null;
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134 eightBitColorsDef = null;
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135
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136 /*
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137 * try { connectAndAuthenticate(); } catch (NoRouteToHostException e) {
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138 * fatalError("Network error: no route to server: " + host, e); } catch
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139 * (UnknownHostException e) {
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140 * fatalError("Network error: server name unknown: " + host, e); } catch
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141 * (ConnectException e) {
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142 * fatalError("Network error: could not connect to server: " + host +
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143 * ":" + port, e); } catch (Exception e) { }
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144 */
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145 rfbThread = new Thread(this);
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146
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147 }
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148
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149 //
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150 // run() - executed by the rfbThread to deal with the RFB socket.
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151 //
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152
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153 public void start_threads() {
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154 rfbThread.start();
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155 }
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156
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157 public void run() {
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158
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159 try {
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160 if (first) {
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161 connectAndAuthenticate();
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162 accThread = new Thread(new AcceptThread(rfb, 5999));
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163 accThread.start();
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164 first = false;
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165 }else {
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166 reConnectAndAuthenticate();
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167 }
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168 doProtocolInitialisation();
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169
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170 vc = new CuiVncCanvas(this, 0, 0);
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171 vc.updateFramebufferSize();
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172
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173 } catch (IOException e) {
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174
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175 System.out.println("Socket error");
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176 // parent no find
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177 Random rnd = new Random();
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178 long ran = rnd.nextInt(5000) + 5000;
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179 System.out.println(ran);
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180 // 親がいない場合の処理はここに書く！！！！
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181 /**
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182 * this while reconnection
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183 */
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184
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185 int counter = 0;
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186
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187 /*
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188 vncFrame.setVisible(false);
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189 vncFrame.dispose();
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190 */
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191 while (true) {
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192 /**
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193 * if my last node case reconnectoion stop
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194 */
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195
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196 echoValue = new EchoClient(echoValue, this);
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197 try {
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198 Thread.sleep(ran);
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199 } catch (InterruptedException e1) {
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200 e1.printStackTrace();
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201 }
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202
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203 if (counter >= 3) {
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204 echoValue.openport();
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205 echoValue.notfoundParent();
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206 }
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207
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208 echoValue.openport();
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209 // runflag = echo.losthost();
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210 if (echoValue.lostHost()) {
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211 break;
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212 }
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213 counter++;
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214 }
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215 // System.exit(0);
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216 }catch (Exception e) {
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217 System.out.println(e);
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218 System.exit(0);
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219 }
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220 try{
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221
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222 processNormalProtocol();// main loop
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223
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224 } catch (NoRouteToHostException e) {
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225 fatalError("Network error: no route to server: " + host, e);
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226 } catch (UnknownHostException e) {
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227 fatalError("Network error: server name unknown: " + host, e);
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228 } catch (ConnectException e) {
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229 fatalError("Network error: could not connect to server: " + host
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230 + ":" + port, e);
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231 } catch (EOFException e) {
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232
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233 if (leaderflag != null) {
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234 while (true) {
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235 echoValue = new EchoClient(echoValue, this);
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236 echoValue.openport();
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237 // runflag = echo.losthost();
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238 if (echoValue.lostHost()) {
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239 break;
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240 }
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241 }
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242 } else {
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243 if (showOfflineDesktop) {
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244 e.printStackTrace();
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245 System.out
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246 .println("Network error: remote side closed connection");
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247 if (vc != null) {
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248 vc.enableInput(false);
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249 }
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250 if (rfb != null && !rfb.closed())
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251 rfb.close();
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252 if (showControls && buttonPanel != null) {
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253 buttonPanel.disableButtonsOnDisconnect();
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254 }
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255 } else {
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256 fatalError("Network error: remote side closed connection",
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257 e);
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258 }
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259 }
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260 } catch (IOException e) {
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261 String str = e.getMessage();
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262 if (str != null && str.length() != 0) {
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263 fatalError("Network Error: " + str, e);
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264 } else {
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265 fatalError(e.toString(), e);
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266 }
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267 } catch (Exception e) {
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268 String str = e.getMessage();
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269 if (str != null && str.length() != 0) {
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270 fatalError("Error: " + str, e);
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271 } else {
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272 fatalError(e.toString(), e);
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273 }
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274 }
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275
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276 }
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277
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278 //
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279 // Process RFB socket messages.
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280 // If the rfbThread is being stopped, ignore any exceptions,
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281 // otherwise rethrow the exception so it can be handled.
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282 //
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283
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284 void processNormalProtocol() throws Exception {
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285 try {
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286 vc.processNormalProtocol();// main loop
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287 } catch (Exception e) {
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288 if (rfbThread == null) {
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289 System.out.println("Ignoring RFB socket exceptions"
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290 + " because applet is stopping");
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291 } else {
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292 throw e;
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293 }
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294 }
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295 }
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296
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297 //
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298 // Connect to the RFB server and authenticate the user.
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299 //
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300
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301 void connectAndAuthenticate() throws Exception {
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302 showConnectionStatus("Initializing...");
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303
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304 showConnectionStatus("Connecting to " + host + ", port " + port + "...");
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305
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306 // rfb = new RfbProto(host, port, this);
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307 rfb = new MyRfbProtoClient(pHost, port, this);
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308
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309 showConnectionStatus("Connected to server");
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310
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311 rfb.readVersionMsg();
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312 showConnectionStatus("RFB server supports protocol version "
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313 + rfb.serverMajor + "." + rfb.serverMinor);
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314
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315 rfb.writeVersionMsg();
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316 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor
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317 + "." + rfb.clientMinor);
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318
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319
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320 if (rfb.serverMinor == 855) {
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321 /*
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322 * if connect to proxy, userEchoPortFlag is true.
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323 * if connect to client, userEchoPortFlag is false.
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324 */
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325 boolean useEchoPortFlag = rfb.readProxyFlag();
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326
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327 if (useEchoPortFlag) {
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328 byte[] b = new byte[4];
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329 b = rfb.readEchoPort();
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330 echoPort = castByteInt(b);
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331
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332 InetAddress addr = InetAddress.getByName(pHost);
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333 String h = new String(addr.getHostAddress());
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334
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335 getParentName();
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336 if (!(h.equals(host))) {
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337 rfb.changeParent(host, port);
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338 rfb.readVersionMsg();
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339 rfb.writeVersionMsg();
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340 //boolean flag = rfb.readProxyFlag();
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341 }
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342 }
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343 }
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344
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345 int secType = rfb.negotiateSecurity();
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346 int authType;
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347 if (secType == RfbProto.SecTypeTight) {
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348 showConnectionStatus("Enabling TightVNC protocol extensions");
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349 rfb.setupTunneling();
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350 authType = rfb.negotiateAuthenticationTight();
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351 } else {
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352 authType = secType;
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353 }
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354
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355 switch (authType) {
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356 case RfbProto.AuthNone:
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357 showConnectionStatus("No authentication needed");
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358 rfb.authenticateNone();
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359 break;
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360 case RfbProto.AuthVNC:
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361 showConnectionStatus("Performing standard VNC authentication");
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362 if (passwordParam != null) {
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363 rfb.authenticateVNC(passwordParam);
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364 } else {
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365 String pw = askPassword();
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366 rfb.authenticateVNC(pw);
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367 }
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368 break;
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369 default:
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370 throw new Exception("Unknown authentication scheme " + authType);
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371 }
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372 }
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373
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374
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375
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376 void reConnectAndAuthenticate() throws Exception {
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377 showConnectionStatus("Initializing...");
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378
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379 showConnectionStatus("Connecting to " + host + ", port " + port + "...");
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380
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381 rfb.changeParent(host, port);
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382
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383 showConnectionStatus("Connected to server");
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384
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385 rfb.readVersionMsg();
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386 showConnectionStatus("RFB server supports protocol version "
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387 + rfb.serverMajor + "." + rfb.serverMinor);
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388
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389 rfb.writeVersionMsg();
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390 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor
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391 + "." + rfb.clientMinor);
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392
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393 if (rfb.serverMinor == 855) {
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394 boolean useEchoPortFlag = rfb.readProxyFlag();
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395 if (useEchoPortFlag) {
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396 byte[] b = new byte[4];
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397 b = rfb.readEchoPort();
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398 echoPort = castByteInt(b);
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399
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400 InetAddress addr = InetAddress.getByName(pHost);
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401 String h = new String(addr.getHostAddress());
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402
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403 getParentName();
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404 if (!(h.equals(host))) {
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405 rfb.changeParent(host, port);
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406 rfb.readVersionMsg();
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407 rfb.writeVersionMsg();
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408 //boolean flag = rfb.readProxyFlag();
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409 }
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410 }
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411 }
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412
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413 int secType = rfb.negotiateSecurity();
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414 int authType;
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415 if (secType == RfbProto.SecTypeTight) {
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416 showConnectionStatus("Enabling TightVNC protocol extensions");
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417 rfb.setupTunneling();
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418 authType = rfb.negotiateAuthenticationTight();
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419 } else {
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420 authType = secType;
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421 }
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422
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423 switch (authType) {
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424 case RfbProto.AuthNone:
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425 showConnectionStatus("No authentication needed");
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426 rfb.authenticateNone();
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427 break;
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428 case RfbProto.AuthVNC:
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429 showConnectionStatus("Performing standard VNC authentication");
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430 if (passwordParam != null) {
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431 rfb.authenticateVNC(passwordParam);
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432 } else {
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433 String pw = askPassword();
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434 rfb.authenticateVNC(pw);
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435 }
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436 break;
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437 default:
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438 throw new Exception("Unknown authentication scheme " + authType);
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439 }
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440 }
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441
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442 //
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443 // Show a message describing the connection status.
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444 // To hide the connection status label, use (msg == null).
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445 //
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446
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447 void showConnectionStatus(String msg) {
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448 System.out.println(msg);
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449 }
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450
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451 //
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452 // Show an authentication panel.
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453 //
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454
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455 String askPassword() throws Exception {
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456 /*
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457 * showConnectionStatus(null); AuthPanel authPanel = new
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458 * AuthPanel(this);
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459 *
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460 * GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth =
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|
|
461 * GridBagConstraints.REMAINDER; gbc.anchor =
|
|
|
462 * GridBagConstraints.NORTHWEST; gbc.weightx = 1.0; gbc.weighty = 1.0;
|
|
|
463 * gbc.ipadx = 100; gbc.ipady = 50; gridbag.setConstraints(authPanel,
|
|
|
464 * gbc); vncContainer.add(authPanel);
|
|
|
465 *
|
|
|
466 *
|
|
|
467 * authPanel.moveFocusToDefaultField(); vncContainer.remove(authPanel);
|
|
|
468 */
|
|
|
469 showConnectionStatus("ask password...");
|
|
|
470 String pw = mainArgs[2];
|
|
|
471 return pw;
|
|
|
472 }
|
|
|
473
|
|
|
474 //
|
|
|
475 // Do the rest of the protocol initialisation.
|
|
|
476 //
|
|
|
477
|
|
|
478 void doProtocolInitialisation() throws IOException {
|
|
|
479 rfb.writeClientInit();
|
|
|
480 rfb.readServerInit();
|
|
|
481
|
|
|
482 System.out.println("Desktop name is " + rfb.desktopName);
|
|
|
483 System.out.println("Desktop size is " + rfb.framebufferWidth + " x "
|
|
|
484 + rfb.framebufferHeight);
|
|
|
485
|
|
|
486 setEncodings();
|
|
|
487
|
|
|
488 // showConnectionStatus(null);
|
|
|
489 }
|
|
|
490
|
|
|
491 //
|
|
|
492 // Send current encoding list to the RFB server.
|
|
|
493 //
|
|
|
494
|
|
|
495 int[] encodingsSaved;
|
|
|
496 int nEncodingsSaved;
|
|
|
497
|
|
|
498 void setEncodings() {
|
|
|
499 setEncodings(false);
|
|
|
500 }
|
|
|
501
|
|
|
502 void autoSelectEncodings() {
|
|
|
503 setEncodings(true);
|
|
|
504 }
|
|
|
505
|
|
|
506 void setEncodings(boolean autoSelectOnly) {
|
|
|
507 if (options == null || rfb == null || !rfb.inNormalProtocol)
|
|
|
508 return;
|
|
|
509
|
|
|
510 int preferredEncoding = options.preferredEncoding;
|
|
|
511 if (preferredEncoding == -1) {
|
|
|
512 long kbitsPerSecond = rfb.kbitsPerSecond();
|
|
|
513 if (nEncodingsSaved < 1) {
|
|
|
514 // Choose Tight or ZRLE encoding for the very first update.
|
|
|
515 System.out.println("Using Tight/ZRLE encodings");
|
|
|
516 preferredEncoding = RfbProto.EncodingTight;
|
|
|
517 } else if (kbitsPerSecond > 2000
|
|
|
518 && encodingsSaved[0] != RfbProto.EncodingHextile) {
|
|
|
519 // Switch to Hextile if the connection speed is above 2Mbps.
|
|
|
520 System.out.println("Throughput " + kbitsPerSecond
|
|
|
521 + " kbit/s - changing to Hextile encoding");
|
|
|
522 preferredEncoding = RfbProto.EncodingHextile;
|
|
|
523 } else if (kbitsPerSecond < 1000
|
|
|
524 && encodingsSaved[0] != RfbProto.EncodingTight) {
|
|
|
525 // Switch to Tight/ZRLE if the connection speed is below 1Mbps.
|
|
|
526 System.out.println("Throughput " + kbitsPerSecond
|
|
|
527 + " kbit/s - changing to Tight/ZRLE encodings");
|
|
|
528 preferredEncoding = RfbProto.EncodingTight;
|
|
|
529 } else {
|
|
|
530 // Don't change the encoder.
|
|
|
531 if (autoSelectOnly)
|
|
|
532 return;
|
|
|
533 preferredEncoding = encodingsSaved[0];
|
|
|
534 }
|
|
|
535 } else {
|
|
|
536 // Auto encoder selection is not enabled.
|
|
|
537 if (autoSelectOnly)
|
|
|
538 return;
|
|
|
539 }
|
|
|
540
|
|
|
541 int[] encodings = new int[20];
|
|
|
542 int nEncodings = 0;
|
|
|
543
|
|
|
544 encodings[nEncodings++] = preferredEncoding;
|
|
|
545 if (options.useCopyRect) {
|
|
|
546 encodings[nEncodings++] = RfbProto.EncodingCopyRect;
|
|
|
547 }
|
|
|
548 if (preferredEncoding != RfbProto.EncodingTight) {
|
|
|
549 encodings[nEncodings++] = RfbProto.EncodingTight;
|
|
|
550 }
|
|
|
551 if (preferredEncoding != RfbProto.EncodingZRLE) {
|
|
|
552 encodings[nEncodings++] = RfbProto.EncodingZRLE;
|
|
|
553 }
|
|
|
554 if (preferredEncoding != RfbProto.EncodingHextile) {
|
|
|
555 encodings[nEncodings++] = RfbProto.EncodingHextile;
|
|
|
556 }
|
|
|
557 if (preferredEncoding != RfbProto.EncodingZlib) {
|
|
|
558 encodings[nEncodings++] = RfbProto.EncodingZlib;
|
|
|
559 }
|
|
|
560 /*
|
|
|
561 * if (preferredEncoding != RfbProto.EncodingCoRRE) {
|
|
|
562 * encodings[nEncodings++] = RfbProto.EncodingCoRRE; } if
|
|
|
563 * (preferredEncoding != RfbProto.EncodingRRE) { encodings[nEncodings++]
|
|
|
564 * = RfbProto.EncodingRRE; }
|
|
|
565 *
|
|
|
566 * if (options.compressLevel >= 0 && options.compressLevel <= 9) {
|
|
|
567 * encodings[nEncodings++] = RfbProto.EncodingCompressLevel0 +
|
|
|
568 * options.compressLevel; } if (options.jpegQuality >= 0 &&
|
|
|
569 * options.jpegQuality <= 9) { encodings[nEncodings++] =
|
|
|
570 * RfbProto.EncodingQualityLevel0 + options.jpegQuality; } if
|
|
|
571 * (options.requestCursorUpdates) { encodings[nEncodings++] =
|
|
|
572 * RfbProto.EncodingXCursor; encodings[nEncodings++] =
|
|
|
573 * RfbProto.EncodingRichCursor; if (!options.ignoreCursorUpdates)
|
|
|
574 * encodings[nEncodings++] = RfbProto.EncodingPointerPos; }
|
|
|
575 */
|
|
|
576
|
|
|
577 encodings[nEncodings++] = RfbProto.EncodingLastRect;
|
|
|
578 encodings[nEncodings++] = RfbProto.EncodingNewFBSize;
|
|
|
579
|
|
|
580 boolean encodingsWereChanged = false;
|
|
|
581 if (nEncodings != nEncodingsSaved) {
|
|
|
582 encodingsWereChanged = true;
|
|
|
583 } else {
|
|
|
584 for (int i = 0; i < nEncodings; i++) {
|
|
|
585 if (encodings[i] != encodingsSaved[i]) {
|
|
|
586 encodingsWereChanged = true;
|
|
|
587 break;
|
|
|
588 }
|
|
|
589 }
|
|
|
590 }
|
|
|
591
|
|
|
592 if (encodingsWereChanged) {
|
|
|
593 try {
|
|
|
594 // rfb.writeSetEncodings(encodings, nEncodings);
|
|
|
595 if (vc != null) {
|
|
|
596 vc.softCursorFree();
|
|
|
597 }
|
|
|
598 } catch (Exception e) {
|
|
|
599 e.printStackTrace();
|
|
|
600 }
|
|
|
601 encodingsSaved = encodings;
|
|
|
602 nEncodingsSaved = nEncodings;
|
|
|
603 }
|
|
|
604 }
|
|
|
605
|
|
|
606 //
|
|
|
607 // setCutText() - send the given cut text to the RFB server.
|
|
|
608 //
|
|
|
609
|
|
|
610 void setCutText(String text) {
|
|
|
611 try {
|
|
|
612 if (rfb != null && rfb.inNormalProtocol) {
|
|
|
613 rfb.writeClientCutText(text);
|
|
|
614 }
|
|
|
615 } catch (Exception e) {
|
|
|
616 e.printStackTrace();
|
|
|
617 }
|
|
|
618 }
|
|
|
619
|
|
|
620 //
|
|
|
621 // Order change in session recording status. To stop recording, pass
|
|
|
622 // null in place of the fname argument.
|
|
|
623 //
|
|
|
624
|
|
|
625 void setRecordingStatus(String fname) {
|
|
|
626 synchronized (recordingSync) {
|
|
|
627 sessionFileName = fname;
|
|
|
628 recordingStatusChanged = true;
|
|
|
629 }
|
|
|
630 }
|
|
|
631
|
|
|
632 //
|
|
|
633 // Start or stop session recording. Returns true if this method call
|
|
|
634 // causes recording of a new session.
|
|
|
635 //
|
|
|
636
|
|
|
637 boolean checkRecordingStatus() throws IOException {
|
|
|
638 synchronized (recordingSync) {
|
|
|
639 if (recordingStatusChanged) {
|
|
|
640 recordingStatusChanged = false;
|
|
|
641 if (sessionFileName != null) {
|
|
|
642 startRecording();
|
|
|
643 return true;
|
|
|
644 } else {
|
|
|
645 stopRecording();
|
|
|
646 }
|
|
|
647 }
|
|
|
648 }
|
|
|
649 return false;
|
|
|
650 }
|
|
|
651
|
|
|
652 //
|
|
|
653 // Start session recording.
|
|
|
654 //
|
|
|
655
|
|
|
656 protected void startRecording() throws IOException {
|
|
|
657 synchronized (recordingSync) {
|
|
|
658 if (!recordingActive) {
|
|
|
659 // Save settings to restore them after recording the session.
|
|
|
660 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex]
|
|
|
661 .getSelectedItem();
|
|
|
662 eightBitColorsDef = options.choices[options.eightBitColorsIndex]
|
|
|
663 .getSelectedItem();
|
|
|
664 // Set options to values suitable for recording.
|
|
|
665 options.choices[options.cursorUpdatesIndex].select("Disable");
|
|
|
666 options.choices[options.cursorUpdatesIndex].setEnabled(false);
|
|
|
667 options.setEncodings();
|
|
|
668 options.choices[options.eightBitColorsIndex].select("No");
|
|
|
669 options.choices[options.eightBitColorsIndex].setEnabled(false);
|
|
|
670 options.setColorFormat();
|
|
|
671 } else {
|
|
|
672 rfb.closeSession();
|
|
|
673 }
|
|
|
674
|
|
|
675 System.out.println("Recording the session in " + sessionFileName);
|
|
|
676 rfb.startSession(sessionFileName);
|
|
|
677 recordingActive = true;
|
|
|
678 }
|
|
|
679 }
|
|
|
680
|
|
|
681 //
|
|
|
682 // Stop session recording.
|
|
|
683 //
|
|
|
684
|
|
|
685 protected void stopRecording() throws IOException {
|
|
|
686 synchronized (recordingSync) {
|
|
|
687 if (recordingActive) {
|
|
|
688 // Restore options.
|
|
|
689 options.choices[options.cursorUpdatesIndex]
|
|
|
690 .select(cursorUpdatesDef);
|
|
|
691 options.choices[options.cursorUpdatesIndex].setEnabled(true);
|
|
|
692 options.setEncodings();
|
|
|
693 options.choices[options.eightBitColorsIndex]
|
|
|
694 .select(eightBitColorsDef);
|
|
|
695 options.choices[options.eightBitColorsIndex].setEnabled(true);
|
|
|
696 options.setColorFormat();
|
|
|
697
|
|
|
698 rfb.closeSession();
|
|
|
699 System.out.println("Session recording stopped.");
|
|
|
700 }
|
|
|
701 sessionFileName = null;
|
|
|
702 recordingActive = false;
|
|
|
703 }
|
|
|
704 }
|
|
|
705
|
|
|
706 //
|
|
|
707 // readParameters() - read parameters from the html source or from the
|
|
|
708 // command line. On the command line, the arguments are just a sequence of
|
|
|
709 // param_name/param_value pairs where the names and values correspond to
|
|
|
710 // those expected in the html applet tag source.
|
|
|
711 //
|
|
|
712
|
|
|
713 void readParameters() {
|
|
|
714 /*
|
|
|
715 * host = readParameter("HOST", !inAnApplet);
|
|
|
716 *
|
|
|
717 * if (host == null) { host = getCodeBase().getHost(); if
|
|
|
718 * (host.equals("")) { fatalError("HOST parameter not specified"); } }
|
|
|
719 *
|
|
|
720 * port = readIntParameter("PORT", 5550);
|
|
|
721 */
|
|
|
722
|
|
|
723 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified.
|
|
|
724 // readPasswordParameters();
|
|
|
725
|
|
|
726 String str;
|
|
|
727 if (inAnApplet) {
|
|
|
728 str = readParameter("Open New Window", false);
|
|
|
729 if (str != null && str.equalsIgnoreCase("Yes"))
|
|
|
730 inSeparateFrame = true;
|
|
|
731 }
|
|
|
732
|
|
|
733 // "Show Controls" set to "No" disables button panel.
|
|
|
734 showControls = true;
|
|
|
735 str = readParameter("Show Controls", false);
|
|
|
736 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
737 showControls = false;
|
|
|
738
|
|
|
739 // "Offer Relogin" set to "No" disables "Login again" and "Close
|
|
|
740 // window" buttons under error messages in applet mode.
|
|
|
741 offerRelogin = true;
|
|
|
742 str = readParameter("Offer Relogin", false);
|
|
|
743 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
744 offerRelogin = false;
|
|
|
745
|
|
|
746 // Do we continue showing desktop on remote disconnect?
|
|
|
747 showOfflineDesktop = false;
|
|
|
748 str = readParameter("Show Offline Desktop", false);
|
|
|
749 if (str != null && str.equalsIgnoreCase("Yes"))
|
|
|
750 showOfflineDesktop = true;
|
|
|
751
|
|
|
752 // Fine tuning options.
|
|
|
753 deferScreenUpdates = readIntParameter("Defer screen updates", 20);
|
|
|
754 deferCursorUpdates = readIntParameter("Defer cursor updates", 10);
|
|
|
755 deferUpdateRequests = readIntParameter("Defer update requests", 0);
|
|
|
756
|
|
|
757 // Debugging options.
|
|
|
758 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0);
|
|
|
759 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0);
|
|
|
760
|
|
|
761 // SocketFactory.
|
|
|
762 socketFactory = readParameter("SocketFactory", false);
|
|
|
763 }
|
|
|
764
|
|
|
765 //
|
|
|
766 // Read password parameters. If an "ENCPASSWORD" parameter is set,
|
|
|
767 // then decrypt the password into the passwordParam string. Otherwise,
|
|
|
768 // try to read the "PASSWORD" parameter directly to passwordParam.
|
|
|
769 //
|
|
|
770 /*
|
|
|
771 private void readPasswordParameters() {
|
|
|
772 String encPasswordParam = readParameter("ENCPASSWORD", false);
|
|
|
773
|
|
|
774 if (encPasswordParam == null) {
|
|
|
775 passwordParam = readParameter("PASSWORD", false);
|
|
|
776 } else {
|
|
|
777 // ENCPASSWORD is hexascii-encoded. Decode.
|
|
|
778 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
779 int len = encPasswordParam.length() / 2;
|
|
|
780 if (len > 8)
|
|
|
781 len = 8;
|
|
|
782 for (int i = 0; i < len; i++) {
|
|
|
783 String hex = encPasswordParam.substring(i * 2, i * 2 + 2);
|
|
|
784 Integer x = new Integer(Integer.parseInt(hex, 16));
|
|
|
785 pw[i] = x.byteValue();
|
|
|
786 }
|
|
|
787 // Decrypt the password.
|
|
|
788 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 };
|
|
|
789 DesCipher des = new DesCipher(key);
|
|
|
790 des.decrypt(pw, 0, pw, 0);
|
|
|
791 passwordParam = new String(pw);
|
|
|
792
|
|
|
793 }
|
|
|
794 }
|
|
|
795 */
|
|
|
796 public String readParameter(String name, boolean required) {
|
|
|
797 for (int i = 0; i < mainArgs.length; i += 2) {
|
|
|
798 if (mainArgs[i].equalsIgnoreCase(name)) {
|
|
|
799 try {
|
|
|
800 return mainArgs[i + 1];
|
|
|
801 } catch (Exception e) {
|
|
|
802 if (required) {
|
|
|
803 fatalError(name + " parameter not specified");
|
|
|
804 }
|
|
|
805 return null;
|
|
|
806 }
|
|
|
807 }
|
|
|
808 }
|
|
|
809 if (required) {
|
|
|
810 fatalError(name + " parameter not specified");
|
|
|
811 }
|
|
|
812 return null;
|
|
|
813 }
|
|
|
814
|
|
|
815 int readIntParameter(String name, int defaultValue) {
|
|
|
816 String str = readParameter(name, false);
|
|
|
817 int result = defaultValue;
|
|
|
818 if (str != null) {
|
|
|
819 try {
|
|
|
820 result = Integer.parseInt(str);
|
|
|
821 } catch (NumberFormatException e) {
|
|
|
822 }
|
|
|
823 }
|
|
|
824 return result;
|
|
|
825 }
|
|
|
826
|
|
|
827 //
|
|
|
828 // disconnect() - close connection to server.
|
|
|
829 //
|
|
|
830
|
|
|
831 synchronized public void disconnect() {
|
|
|
832 System.out.println("Disconnecting");
|
|
|
833
|
|
|
834 if (vc != null) {
|
|
|
835 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0;
|
|
|
836 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0;
|
|
|
837 int nRealRects = vc.statNumPixelRects;
|
|
|
838 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects;
|
|
|
839 System.out.println("Updates received: " + vc.statNumUpdates + " ("
|
|
|
840 + nRealRects + " rectangles + " + nPseudoRects
|
|
|
841 + " pseudo), " + rate + " updates/sec");
|
|
|
842 int numRectsOther = nRealRects - vc.statNumRectsTight
|
|
|
843 - vc.statNumRectsZRLE - vc.statNumRectsHextile
|
|
|
844 - vc.statNumRectsRaw - vc.statNumRectsCopy;
|
|
|
845 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight
|
|
|
846 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE="
|
|
|
847 + vc.statNumRectsZRLE + " Hextile="
|
|
|
848 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw
|
|
|
849 + " CopyRect=" + vc.statNumRectsCopy + " other="
|
|
|
850 + numRectsOther);
|
|
|
851
|
|
|
852 int raw = vc.statNumBytesDecoded;
|
|
|
853 int compressed = vc.statNumBytesEncoded;
|
|
|
854 if (compressed > 0) {
|
|
|
855 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0;
|
|
|
856 System.out.println("Pixel data: " + vc.statNumBytesDecoded
|
|
|
857 + " bytes, " + vc.statNumBytesEncoded
|
|
|
858 + " compressed, ratio " + ratio);
|
|
|
859 }
|
|
|
860 }
|
|
|
861
|
|
|
862 if (rfb != null && !rfb.closed())
|
|
|
863 rfb.close();
|
|
|
864 // options.dispose();
|
|
|
865 clipboard.dispose();
|
|
|
866 if (rec != null)
|
|
|
867 rec.dispose();
|
|
|
868
|
|
|
869 System.exit(0);
|
|
|
870
|
|
|
871 }
|
|
|
872
|
|
|
873 //
|
|
|
874 // fatalError() - print out a fatal error message.
|
|
|
875 // FIXME: Do we really need two versions of the fatalError() method?
|
|
|
876 //
|
|
|
877
|
|
|
878 synchronized public void fatalError(String str) {
|
|
|
879 System.out.println(str);
|
|
|
880 System.exit(1);
|
|
|
881 }
|
|
|
882
|
|
|
883 synchronized public void fatalError(String str, Exception e) {
|
|
|
884
|
|
|
885 if (rfb != null && rfb.closed()) {
|
|
|
886 // Not necessary to show error message if the error was caused
|
|
|
887 // by I/O problems after the rfb.close() method call.
|
|
|
888 System.out.println("RFB thread finished");
|
|
|
889 return;
|
|
|
890 }
|
|
|
891
|
|
|
892 System.out.println(str);
|
|
|
893 e.printStackTrace();
|
|
|
894
|
|
|
895 if (rfb != null)
|
|
|
896 rfb.close();
|
|
|
897
|
|
|
898 System.exit(1);
|
|
|
899
|
|
|
900 }
|
|
|
901
|
|
|
902 //
|
|
|
903 // Show message text and optionally "Relogin" and "Close" buttons.
|
|
|
904 //
|
|
|
905
|
|
|
906 void showMessage(String msg) {
|
|
|
907 vncContainer.removeAll();
|
|
|
908
|
|
|
909 Label errLabel = new Label(msg, Label.CENTER);
|
|
|
910 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12));
|
|
|
911
|
|
|
912 if (offerRelogin) {
|
|
|
913 /*
|
|
|
914 * Panel gridPanel = new Panel(new GridLayout(0, 1)); Panel
|
|
|
915 * outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT));
|
|
|
916 * outerPanel.add(gridPanel); vncContainer.setLayout(new
|
|
|
917 * FlowLayout(FlowLayout.LEFT, 30, 16));
|
|
|
918 * vncContainer.add(outerPanel); Panel textPanel = new Panel(new
|
|
|
919 * FlowLayout(FlowLayout.CENTER)); textPanel.add(errLabel);
|
|
|
920 * gridPanel.add(textPanel); gridPanel.add(new ReloginPanel(this));
|
|
|
921 */
|
|
|
922 } else {
|
|
|
923 /*
|
|
|
924 * vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30));
|
|
|
925 * vncContainer.add(errLabel);
|
|
|
926 */
|
|
|
927 }
|
|
|
928
|
|
|
929 }
|
|
|
930
|
|
|
931 //
|
|
|
932 // Stop the applet.
|
|
|
933 // Main applet thread will terminate on first exception
|
|
|
934 // after seeing that rfbThread has been set to null.
|
|
|
935 //
|
|
|
936
|
|
|
937 public void stop() {
|
|
|
938 System.out.println("Stopping applet");
|
|
|
939 rfbThread = null;
|
|
|
940 }
|
|
|
941
|
|
|
942 //
|
|
|
943 // This method is called before the applet is destroyed.
|
|
|
944 //
|
|
|
945
|
|
|
946 public void destroy() {
|
|
|
947 System.out.println("Destroying applet");
|
|
|
948
|
|
|
949 vncContainer.removeAll();
|
|
|
950 // options.dispose();
|
|
|
951 clipboard.dispose();
|
|
|
952 if (rec != null)
|
|
|
953 rec.dispose();
|
|
|
954 if (rfb != null && !rfb.closed())
|
|
|
955 rfb.close();
|
|
|
956 }
|
|
|
957
|
|
|
958 //
|
|
|
959 // Start/stop receiving mouse events.
|
|
|
960 //
|
|
|
961
|
|
|
962 public void enableInput(boolean enable) {
|
|
|
963 vc.enableInput(enable);
|
|
|
964 }
|
|
|
965
|
|
|
966 //
|
|
|
967 // Close application properly on window close event.
|
|
|
968 //
|
|
|
969
|
|
|
970 public void windowClosing(WindowEvent evt) {
|
|
|
971 System.out.println("Closing window");
|
|
|
972 if (rfb != null)
|
|
|
973 disconnect();
|
|
|
974
|
|
|
975 vncContainer.setVisible(false);
|
|
|
976
|
|
|
977 }
|
|
|
978
|
|
|
979 //
|
|
|
980 // Ignore window events we're not interested in.
|
|
|
981 //
|
|
|
982
|
|
|
983 public void windowActivated(WindowEvent evt) {
|
|
|
984 }
|
|
|
985
|
|
|
986 public void windowDeactivated(WindowEvent evt) {
|
|
|
987 }
|
|
|
988
|
|
|
989 public void windowOpened(WindowEvent evt) {
|
|
|
990 }
|
|
|
991
|
|
|
992 public void windowClosed(WindowEvent evt) {
|
|
|
993 }
|
|
|
994
|
|
|
995 public void windowIconified(WindowEvent evt) {
|
|
|
996 }
|
|
|
997
|
|
|
998 public void windowDeiconified(WindowEvent evt) {
|
|
|
999 }
|
|
|
1000
|
|
|
1001 public void setClientSocket(Socket sock) {
|
|
|
1002 clientSocket = sock;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 public void start() {
|
|
|
1006
|
|
|
1007 }
|
|
|
1008 public void close() {
|
|
|
1009 rfb.close();
|
|
|
1010 }
|
|
|
1011 public void getParentName() {
|
|
|
1012 if (echoValue == null) {
|
|
|
1013
|
|
|
1014 if (clientSocket == null) {
|
|
|
1015 String pHost;
|
|
|
1016 if (mainArgs.length > 0)
|
|
|
1017 pHost = mainArgs[0];
|
|
|
1018 else
|
|
|
1019 pHost = "localhost";
|
|
|
1020 // echo = new EchoClient(pHost, this);
|
|
|
1021 echoValue = new EchoClient(pHost, this, echoPort);
|
|
|
1022 echoValue.openport();
|
|
|
1023
|
|
|
1024 echoValue = echoValue.requestHostName("1");
|
|
|
1025 } else {
|
|
|
1026 echoValue = new EchoClient();
|
|
|
1027 echoValue = echoValue.Interruption(clientSocket);
|
|
|
1028 }
|
|
|
1029 }
|
|
|
1030
|
|
|
1031 // proxyからの返信で接続先を決定する
|
|
|
1032 host = echoValue.responseLine;
|
|
|
1033 parent = echoValue.parent;
|
|
|
1034 if (echoValue.treenum != null) {
|
|
|
1035 treenum = echoValue.treenum;
|
|
|
1036 } else {
|
|
|
1037 treenum = echoValue.treenum;
|
|
|
1038 }
|
|
|
1039 if (echoValue.leaderflag != null) {
|
|
|
1040 leaderflag = echoValue.leaderflag;
|
|
|
1041 } else {
|
|
|
1042 leaderflag = echoValue.leaderflag;
|
|
|
1043 }
|
|
|
1044 System.out.println("Parent =" + parent);
|
|
|
1045 System.out.println("mynumber =" + treenum);
|
|
|
1046 System.out.println("connect host =" + host);
|
|
|
1047 System.out.println("leaderflag(boolean) = " + leaderflag);
|
|
|
1048
|
|
|
1049 // port = 5999;
|
|
|
1050
|
|
|
1051 }
|
|
|
1052 public void setEchoValue(EchoClient value) {
|
|
|
1053 this.echoValue = value;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056
|
|
|
1057 int castByteInt(byte[] b) {
|
|
|
1058 ByteBuffer bb = ByteBuffer.wrap(b);
|
|
|
1059 int echoValue = bb.getInt();
|
|
|
1060 return echoValue;
|
|
|
1061 }
|
|
|
1062 public Image getScreenImage() {
|
|
|
1063 return vc.rawPixelsImage;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 public void writeScreenData(byte[] b, String imageFormat) {
|
|
|
1067 try{
|
|
|
1068 vc.drawBufferedImage(b);
|
|
|
1069 }catch(IOException e){
|
|
|
1070 e.printStackTrace();
|
|
|
1071 }
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 }
|
