Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/VncProxyService.java @ 127:97bb1436e34c
change encode to Hextile from ZRLE
| author | e085711 |
|---|---|
| date | Tue, 02 Aug 2011 13:17:23 +0900 |
| parents | 762d2b7f1db2 |
| children | fa2122e5c807 |
| rev | line source |
|---|---|
| 24 | 1 package myVncProxy; |
| 13 | 2 import java.awt.*; |
| 3 import java.awt.event.*; | |
| 4 import java.io.*; | |
| 5 import java.net.*; | |
| 6 | |
| 7 public class VncProxyService implements java.lang.Runnable { | |
| 8 | |
| 9 public static void main(String[] argv) { | |
| 10 VncProxyService v = new VncProxyService(); | |
| 30 | 11 |
| 12 v.checkArgs(argv); | |
| 13 | |
| 13 | 14 v.mainArgs = argv; |
| 15 | |
| 16 v.init(); | |
| 50 | 17 v.start_threads(); |
| 13 | 18 } |
| 15 | 19 |
| 13 | 20 String[] mainArgs; |
| 31 | 21 String username; |
| 22 | |
| 23 CreateHtmlFile htmlFile; | |
| 13 | 24 |
| 25 // RfbProto rfb; | |
| 26 MyRfbProto rfb; | |
| 27 Thread rfbThread; | |
| 27 | 28 Thread accThread; |
|
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4864a7d1df00
add CreateThread.java modify acceptClient.java and VncProxyService.java
Yu Taninari <e085734@ie.u-ryukyu.ac.jp>
parents:
51
diff
changeset
|
29 Thread clientThread; |
|
4864a7d1df00
add CreateThread.java modify acceptClient.java and VncProxyService.java
Yu Taninari <e085734@ie.u-ryukyu.ac.jp>
parents:
51
diff
changeset
|
30 CreateThread geth; |
| 73 | 31 AcceptClient acc; |
| 13 | 32 |
| 33 Frame vncFrame; | |
| 34 Container vncContainer; | |
| 35 ScrollPane desktopScrollPane; | |
| 36 GridBagLayout gridbag; | |
| 37 ButtonPanel buttonPanel; | |
| 38 Label connStatusLabel; | |
| 39 ProxyVncCanvas vc; | |
| 67 | 40 // OptionsFrame options; |
| 41 OptionsNoFrame options; | |
| 13 | 42 ClipboardFrame clipboard; |
| 43 RecordingFrame rec; | |
| 44 | |
| 45 // Control session recording. | |
| 46 Object recordingSync; | |
| 47 String sessionFileName; | |
| 48 boolean recordingActive; | |
| 49 boolean recordingStatusChanged; | |
| 50 String cursorUpdatesDef; | |
| 51 String eightBitColorsDef; | |
| 52 | |
| 53 // Variables read from parameter values. | |
| 54 String socketFactory; | |
| 55 String host; | |
| 56 int port; | |
| 57 String passwordParam; | |
| 58 boolean showControls; | |
| 59 boolean offerRelogin; | |
| 60 boolean showOfflineDesktop; | |
| 61 int deferScreenUpdates; | |
| 62 int deferCursorUpdates; | |
| 63 int deferUpdateRequests; | |
| 64 int debugStatsExcludeUpdates; | |
| 65 int debugStatsMeasureUpdates; | |
| 66 | |
| 30 | 67 |
| 68 void checkArgs(String[] argv){ | |
| 31 | 69 if(argv.length > 3){ |
| 70 username = argv[3]; | |
| 71 }else if(argv.length < 2){ | |
| 30 | 72 System.out.println("Please enter argv"); |
| 73 System.out.println("hostname(IPaddress) port password"); | |
| 74 System.exit(0); | |
| 31 | 75 }else{ |
| 76 username = argv[0]; | |
| 30 | 77 } |
| 78 } | |
| 79 | |
| 13 | 80 // |
| 81 // init() | |
| 82 // | |
| 83 | |
| 84 public void init() { | |
| 85 | |
| 86 readParameters(); | |
| 87 | |
| 67 | 88 options = new OptionsNoFrame(this); |
| 13 | 89 recordingSync = new Object(); |
| 90 | |
| 91 sessionFileName = null; | |
| 92 recordingActive = false; | |
| 93 recordingStatusChanged = false; | |
| 94 cursorUpdatesDef = null; | |
| 95 eightBitColorsDef = null; | |
| 96 | |
| 25 | 97 try{ |
| 98 connectAndAuthenticate(); | |
| 99 }catch (NoRouteToHostException e) { | |
| 100 fatalError("Network error: no route to server: " + host, e); | |
| 101 } catch (UnknownHostException e) { | |
| 102 fatalError("Network error: server name unknown: " + host, e); | |
| 103 } catch (ConnectException e) { | |
| 104 fatalError("Network error: could not connect to server: " + host | |
| 105 + ":" + port, e); | |
| 106 }catch(Exception e){} | |
| 51 | 107 |
| 13 | 108 rfbThread = new Thread(this); |
| 71 | 109 accThread = new Thread(new AcceptThread(rfb)); |
| 50 | 110 |
| 111 } | |
| 112 | |
| 113 public void start_threads(){ | |
| 13 | 114 rfbThread.start(); |
| 27 | 115 accThread.start(); |
| 13 | 116 } |
| 117 | |
| 118 // | |
| 119 // run() - executed by the rfbThread to deal with the RFB socket. | |
| 120 // | |
| 121 | |
| 122 public void run() { | |
| 123 | |
| 124 try { | |
| 25 | 125 // connectAndAuthenticate(); |
| 13 | 126 doProtocolInitialisation(); |
| 45 | 127 /* |
| 31 | 128 htmlFile = new CreateHtmlFile(rfb, host, username); |
| 129 htmlFile.createHtml(); | |
| 45 | 130 */ |
| 13 | 131 vc = new ProxyVncCanvas(this, 0, 0); |
| 25 | 132 vc.updateFramebufferSize(); |
| 133 | |
| 13 | 134 processNormalProtocol();// main loop |
| 135 | |
| 136 } catch (NoRouteToHostException e) { | |
| 137 fatalError("Network error: no route to server: " + host, e); | |
| 138 } catch (UnknownHostException e) { | |
| 139 fatalError("Network error: server name unknown: " + host, e); | |
| 140 } catch (ConnectException e) { | |
| 141 fatalError("Network error: could not connect to server: " + host | |
| 142 + ":" + port, e); | |
| 143 } catch (EOFException e) { | |
| 144 if (showOfflineDesktop) { | |
| 145 e.printStackTrace(); | |
| 146 System.out | |
| 147 .println("Network error: remote side closed connection"); | |
| 148 if (vc != null) { | |
| 149 vc.enableInput(false); | |
| 150 } | |
| 151 if (rfb != null && !rfb.closed()) | |
| 152 rfb.close(); | |
| 153 if (showControls && buttonPanel != null) { | |
| 154 buttonPanel.disableButtonsOnDisconnect(); | |
| 155 } | |
| 156 } else { | |
| 157 fatalError("Network error: remote side closed connection", e); | |
| 158 } | |
| 159 } catch (IOException e) { | |
| 160 String str = e.getMessage(); | |
| 161 if (str != null && str.length() != 0) { | |
| 162 fatalError("Network Error: " + str, e); | |
| 163 } else { | |
| 164 fatalError(e.toString(), e); | |
| 165 } | |
| 26 | 166 } catch (Exception e) { |
| 13 | 167 String str = e.getMessage(); |
| 168 if (str != null && str.length() != 0) { | |
| 169 fatalError("Error: " + str, e); | |
| 170 } else { | |
| 171 fatalError(e.toString(), e); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 } | |
| 176 | |
| 177 // | |
| 178 // Process RFB socket messages. | |
| 179 // If the rfbThread is being stopped, ignore any exceptions, | |
| 180 // otherwise rethrow the exception so it can be handled. | |
| 181 // | |
| 182 | |
| 183 void processNormalProtocol() throws Exception { | |
| 184 try { | |
| 185 vc.processNormalProtocol();// main loop | |
| 186 } catch (Exception e) { | |
| 187 if (rfbThread == null) { | |
| 188 System.out.println("Ignoring RFB socket exceptions" | |
| 189 + " because applet is stopping"); | |
| 190 } else { | |
| 191 throw e; | |
| 192 } | |
| 193 } | |
| 194 } | |
| 195 | |
| 196 // | |
| 197 // Connect to the RFB server and authenticate the user. | |
| 198 // | |
| 199 | |
| 200 void connectAndAuthenticate() throws Exception { | |
| 73 | 201 acc = new AcceptClient(mainArgs[0]); |
|
63
4864a7d1df00
add CreateThread.java modify acceptClient.java and VncProxyService.java
Yu Taninari <e085734@ie.u-ryukyu.ac.jp>
parents:
51
diff
changeset
|
202 geth = new CreateThread(acc); |
| 64 | 203 Thread thread = new Thread(geth); |
| 204 thread.start(); | |
| 48 | 205 |
| 206 | |
| 13 | 207 showConnectionStatus("Initializing..."); |
| 208 | |
| 209 showConnectionStatus("Connecting to " + host + ", port " + port + "..."); | |
| 210 | |
| 211 // rfb = new RfbProto(host, port, this); | |
| 212 rfb = new MyRfbProto(host, port); | |
| 213 showConnectionStatus("Connected to server"); | |
| 214 | |
| 215 rfb.readVersionMsg(); | |
| 216 showConnectionStatus("RFB server supports protocol version " | |
| 217 + rfb.serverMajor + "." + rfb.serverMinor); | |
| 218 | |
| 219 rfb.writeVersionMsg(); | |
| 220 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor | |
| 221 + "." + rfb.clientMinor); | |
| 222 | |
| 223 int secType = rfb.negotiateSecurity(); | |
| 224 int authType; | |
| 225 if (secType == RfbProto.SecTypeTight) { | |
| 226 showConnectionStatus("Enabling TightVNC protocol extensions"); | |
| 227 rfb.setupTunneling(); | |
| 228 authType = rfb.negotiateAuthenticationTight(); | |
| 229 } else { | |
| 230 authType = secType; | |
| 231 } | |
| 232 | |
| 233 switch (authType) { | |
| 234 case RfbProto.AuthNone: | |
| 235 showConnectionStatus("No authentication needed"); | |
| 236 rfb.authenticateNone(); | |
| 237 break; | |
| 238 case RfbProto.AuthVNC: | |
| 239 showConnectionStatus("Performing standard VNC authentication"); | |
| 240 if (passwordParam != null) { | |
| 241 rfb.authenticateVNC(passwordParam); | |
| 242 } else { | |
| 243 String pw = askPassword(); | |
| 244 rfb.authenticateVNC(pw); | |
| 245 } | |
| 246 break; | |
| 247 default: | |
| 248 throw new Exception("Unknown authentication scheme " + authType); | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 // | |
| 253 // Show a message describing the connection status. | |
| 254 // To hide the connection status label, use (msg == null). | |
| 255 // | |
| 256 | |
| 257 void showConnectionStatus(String msg) { | |
| 258 System.out.println(msg); | |
| 259 } | |
| 260 | |
| 261 // | |
| 262 // Show an authentication panel. | |
| 263 // | |
| 264 | |
| 265 String askPassword() throws Exception { | |
| 266 /* | |
| 30 | 267 * showConnectionStatus(null); |
| 13 | 268 * AuthPanel authPanel = new AuthPanel(this); |
| 269 * | |
| 270 * GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth = | |
| 271 * GridBagConstraints.REMAINDER; gbc.anchor = | |
| 272 * GridBagConstraints.NORTHWEST; gbc.weightx = 1.0; gbc.weighty = 1.0; | |
| 273 * gbc.ipadx = 100; gbc.ipady = 50; gridbag.setConstraints(authPanel, | |
| 274 * gbc); vncContainer.add(authPanel); | |
| 275 | |
| 276 | |
| 277 authPanel.moveFocusToDefaultField(); | |
| 278 vncContainer.remove(authPanel); | |
| 279 */ | |
| 30 | 280 showConnectionStatus("ask password..."); |
| 31 | 281 String pw = mainArgs[2]; |
| 13 | 282 return pw; |
| 283 } | |
| 284 | |
| 285 // | |
| 286 // Do the rest of the protocol initialisation. | |
| 287 // | |
| 288 | |
| 289 void doProtocolInitialisation() throws IOException { | |
| 290 rfb.writeClientInit(); | |
| 291 rfb.readServerInit(); | |
| 292 | |
| 293 | |
| 294 System.out.println("Desktop name is " + rfb.desktopName); | |
| 295 System.out.println("Desktop size is " + rfb.framebufferWidth + " x " | |
| 296 + rfb.framebufferHeight); | |
| 297 | |
| 298 setEncodings(); | |
| 299 | |
| 30 | 300 //showConnectionStatus(null); |
| 13 | 301 } |
| 302 | |
| 303 // | |
| 304 // Send current encoding list to the RFB server. | |
| 305 // | |
| 306 | |
| 307 int[] encodingsSaved; | |
| 308 int nEncodingsSaved; | |
| 309 | |
| 310 void setEncodings() { | |
| 311 setEncodings(false); | |
| 312 } | |
| 313 | |
| 314 void autoSelectEncodings() { | |
| 315 setEncodings(true); | |
| 316 } | |
| 317 | |
| 318 void setEncodings(boolean autoSelectOnly) { | |
| 319 if (options == null || rfb == null || !rfb.inNormalProtocol) | |
| 320 return; | |
| 321 | |
| 322 int preferredEncoding = options.preferredEncoding; | |
| 323 if (preferredEncoding == -1) { | |
| 324 long kbitsPerSecond = rfb.kbitsPerSecond(); | |
| 126 | 325 |
| 13 | 326 if (nEncodingsSaved < 1) { |
| 327 // Choose Tight or ZRLE encoding for the very first update. | |
| 328 System.out.println("Using Tight/ZRLE encodings"); | |
| 127 | 329 // preferredEncoding = RfbProto.EncodingTight; |
| 13 | 330 } else if (kbitsPerSecond > 2000 |
| 331 && encodingsSaved[0] != RfbProto.EncodingHextile) { | |
| 332 // Switch to Hextile if the connection speed is above 2Mbps. | |
| 333 System.out.println("Throughput " + kbitsPerSecond | |
| 334 + " kbit/s - changing to Hextile encoding"); | |
| 335 preferredEncoding = RfbProto.EncodingHextile; | |
| 336 } else if (kbitsPerSecond < 1000 | |
| 337 && encodingsSaved[0] != RfbProto.EncodingTight) { | |
| 338 // Switch to Tight/ZRLE if the connection speed is below 1Mbps. | |
| 339 System.out.println("Throughput " + kbitsPerSecond | |
| 340 + " kbit/s - changing to Tight/ZRLE encodings"); | |
| 127 | 341 // preferredEncoding = RfbProto.EncodingTight; |
| 13 | 342 } else { |
| 343 // Don't change the encoder. | |
| 344 if (autoSelectOnly) | |
| 345 return; | |
| 346 preferredEncoding = encodingsSaved[0]; | |
| 347 } | |
| 348 } else { | |
| 349 // Auto encoder selection is not enabled. | |
| 350 if (autoSelectOnly) | |
| 351 return; | |
| 352 } | |
| 353 | |
| 354 int[] encodings = new int[20]; | |
| 355 int nEncodings = 0; | |
| 356 | |
| 126 | 357 |
| 13 | 358 encodings[nEncodings++] = preferredEncoding; |
| 359 if (options.useCopyRect) { | |
| 360 encodings[nEncodings++] = RfbProto.EncodingCopyRect; | |
| 361 } | |
| 127 | 362 /* |
| 13 | 363 if (preferredEncoding != RfbProto.EncodingTight) { |
| 364 encodings[nEncodings++] = RfbProto.EncodingTight; | |
| 365 } | |
| 366 if (preferredEncoding != RfbProto.EncodingZRLE) { | |
| 367 encodings[nEncodings++] = RfbProto.EncodingZRLE; | |
| 368 } | |
| 127 | 369 */ |
| 13 | 370 if (preferredEncoding != RfbProto.EncodingHextile) { |
| 371 encodings[nEncodings++] = RfbProto.EncodingHextile; | |
| 372 } | |
| 127 | 373 /* |
| 13 | 374 if (preferredEncoding != RfbProto.EncodingZlib) { |
| 375 encodings[nEncodings++] = RfbProto.EncodingZlib; | |
| 376 } | |
| 127 | 377 |
| 13 | 378 if (preferredEncoding != RfbProto.EncodingCoRRE) { |
| 379 encodings[nEncodings++] = RfbProto.EncodingCoRRE; | |
| 380 } | |
| 381 if (preferredEncoding != RfbProto.EncodingRRE) { | |
| 382 encodings[nEncodings++] = RfbProto.EncodingRRE; | |
| 383 } | |
| 127 | 384 /* |
| 13 | 385 if (options.compressLevel >= 0 && options.compressLevel <= 9) { |
| 386 encodings[nEncodings++] = RfbProto.EncodingCompressLevel0 | |
| 387 + options.compressLevel; | |
| 388 } | |
| 389 if (options.jpegQuality >= 0 && options.jpegQuality <= 9) { | |
| 390 encodings[nEncodings++] = RfbProto.EncodingQualityLevel0 | |
| 391 + options.jpegQuality; | |
| 392 } | |
| 393 if (options.requestCursorUpdates) { | |
| 394 encodings[nEncodings++] = RfbProto.EncodingXCursor; | |
| 395 encodings[nEncodings++] = RfbProto.EncodingRichCursor; | |
| 396 if (!options.ignoreCursorUpdates) | |
| 397 encodings[nEncodings++] = RfbProto.EncodingPointerPos; | |
| 398 } | |
| 78 | 399 */ |
| 400 | |
| 13 | 401 encodings[nEncodings++] = RfbProto.EncodingLastRect; |
| 402 encodings[nEncodings++] = RfbProto.EncodingNewFBSize; | |
| 403 | |
| 404 boolean encodingsWereChanged = false; | |
| 405 if (nEncodings != nEncodingsSaved) { | |
| 406 encodingsWereChanged = true; | |
| 407 } else { | |
| 408 for (int i = 0; i < nEncodings; i++) { | |
| 409 if (encodings[i] != encodingsSaved[i]) { | |
| 410 encodingsWereChanged = true; | |
| 411 break; | |
| 412 } | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 if (encodingsWereChanged) { | |
| 417 try { | |
| 418 rfb.writeSetEncodings(encodings, nEncodings); | |
| 419 if (vc != null) { | |
| 420 vc.softCursorFree(); | |
| 421 } | |
| 422 } catch (Exception e) { | |
| 423 e.printStackTrace(); | |
| 424 } | |
| 425 encodingsSaved = encodings; | |
| 426 nEncodingsSaved = nEncodings; | |
| 427 } | |
| 428 } | |
| 429 | |
| 430 // | |
| 431 // setCutText() - send the given cut text to the RFB server. | |
| 432 // | |
| 433 | |
| 434 void setCutText(String text) { | |
| 435 try { | |
| 436 if (rfb != null && rfb.inNormalProtocol) { | |
| 437 rfb.writeClientCutText(text); | |
| 438 } | |
| 439 } catch (Exception e) { | |
| 440 e.printStackTrace(); | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 // | |
| 445 // Order change in session recording status. To stop recording, pass | |
| 446 // null in place of the fname argument. | |
| 447 // | |
| 448 | |
| 449 void setRecordingStatus(String fname) { | |
| 450 synchronized (recordingSync) { | |
| 451 sessionFileName = fname; | |
| 452 recordingStatusChanged = true; | |
| 453 } | |
| 454 } | |
| 455 | |
| 456 // | |
| 457 // Start or stop session recording. Returns true if this method call | |
| 458 // causes recording of a new session. | |
| 459 // | |
| 460 | |
| 461 boolean checkRecordingStatus() throws IOException { | |
| 462 synchronized (recordingSync) { | |
| 463 if (recordingStatusChanged) { | |
| 464 recordingStatusChanged = false; | |
| 465 if (sessionFileName != null) { | |
| 466 startRecording(); | |
| 467 return true; | |
| 468 } else { | |
| 469 stopRecording(); | |
| 470 } | |
| 471 } | |
| 472 } | |
| 473 return false; | |
| 474 } | |
| 475 | |
| 476 // | |
| 477 // Start session recording. | |
| 478 // | |
| 479 | |
| 480 protected void startRecording() throws IOException { | |
| 481 synchronized (recordingSync) { | |
| 482 if (!recordingActive) { | |
| 483 // Save settings to restore them after recording the session. | |
| 484 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex] | |
| 485 .getSelectedItem(); | |
| 486 eightBitColorsDef = options.choices[options.eightBitColorsIndex] | |
| 487 .getSelectedItem(); | |
| 488 // Set options to values suitable for recording. | |
| 489 options.choices[options.cursorUpdatesIndex].select("Disable"); | |
| 490 options.choices[options.cursorUpdatesIndex].setEnabled(false); | |
| 491 options.setEncodings(); | |
| 492 options.choices[options.eightBitColorsIndex].select("No"); | |
| 493 options.choices[options.eightBitColorsIndex].setEnabled(false); | |
| 494 options.setColorFormat(); | |
| 495 } else { | |
| 496 rfb.closeSession(); | |
| 497 } | |
| 498 | |
| 499 System.out.println("Recording the session in " + sessionFileName); | |
| 500 rfb.startSession(sessionFileName); | |
| 501 recordingActive = true; | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 // | |
| 506 // Stop session recording. | |
| 507 // | |
| 508 | |
| 509 protected void stopRecording() throws IOException { | |
| 510 synchronized (recordingSync) { | |
| 511 if (recordingActive) { | |
| 512 // Restore options. | |
| 513 options.choices[options.cursorUpdatesIndex] | |
| 514 .select(cursorUpdatesDef); | |
| 515 options.choices[options.cursorUpdatesIndex].setEnabled(true); | |
| 516 options.setEncodings(); | |
| 517 options.choices[options.eightBitColorsIndex] | |
| 518 .select(eightBitColorsDef); | |
| 519 options.choices[options.eightBitColorsIndex].setEnabled(true); | |
| 520 options.setColorFormat(); | |
| 521 | |
| 522 rfb.closeSession(); | |
| 523 System.out.println("Session recording stopped."); | |
| 524 } | |
| 525 sessionFileName = null; | |
| 526 recordingActive = false; | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 // | |
| 531 // readParameters() - read parameters from the html source or from the | |
| 532 // command line. On the command line, the arguments are just a sequence of | |
| 533 // param_name/param_value pairs where the names and values correspond to | |
| 534 // those expected in the html applet tag source. | |
| 535 // | |
| 536 | |
| 537 void readParameters() { | |
| 538 | |
| 30 | 539 host = mainArgs[0]; |
| 31 | 540 if(mainArgs.length < 2){ |
| 30 | 541 port = 5900; |
| 542 }else{ | |
| 31 | 543 port = Integer.parseInt(mainArgs[1]); |
| 30 | 544 } |
| 545 | |
| 13 | 546 |
| 547 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified. | |
| 548 // readPasswordParameters(); | |
| 549 | |
| 550 String str; | |
| 551 | |
| 552 // "Show Controls" set to "No" disables button panel. | |
| 553 showControls = true; | |
| 554 str = readParameter("Show Controls", false); | |
| 555 if (str != null && str.equalsIgnoreCase("No")) | |
| 556 showControls = false; | |
| 557 | |
| 558 // "Offer Relogin" set to "No" disables "Login again" and "Close | |
| 559 // window" buttons under error messages in applet mode. | |
| 560 offerRelogin = true; | |
| 561 str = readParameter("Offer Relogin", false); | |
| 562 if (str != null && str.equalsIgnoreCase("No")) | |
| 563 offerRelogin = false; | |
| 564 | |
| 565 // Do we continue showing desktop on remote disconnect? | |
| 566 showOfflineDesktop = false; | |
| 567 str = readParameter("Show Offline Desktop", false); | |
| 568 if (str != null && str.equalsIgnoreCase("Yes")) | |
| 569 showOfflineDesktop = true; | |
| 570 | |
| 571 // Fine tuning options. | |
| 572 deferScreenUpdates = readIntParameter("Defer screen updates", 20); | |
| 573 deferCursorUpdates = readIntParameter("Defer cursor updates", 10); | |
| 574 deferUpdateRequests = readIntParameter("Defer update requests", 0); | |
| 575 | |
| 576 // Debugging options. | |
| 577 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0); | |
| 578 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0); | |
| 579 | |
| 580 // SocketFactory. | |
| 581 socketFactory = readParameter("SocketFactory", false); | |
| 582 } | |
| 583 | |
| 584 // | |
| 585 // Read password parameters. If an "ENCPASSWORD" parameter is set, | |
| 586 // then decrypt the password into the passwordParam string. Otherwise, | |
| 587 // try to read the "PASSWORD" parameter directly to passwordParam. | |
| 588 // | |
| 589 | |
| 590 private void readPasswordParameters() { | |
| 591 // String encPasswordParam = readParameter("ENCPASSWORD", false); | |
| 31 | 592 String encPasswordParam = mainArgs[2]; |
| 13 | 593 |
| 594 if (encPasswordParam == null) { | |
| 595 // passwordParam = readParameter("PASSWORD", false); | |
| 596 | |
| 597 } else { | |
| 598 // ENCPASSWORD is hexascii-encoded. Decode. | |
| 599 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 }; | |
| 600 int len = encPasswordParam.length() / 2; | |
| 601 if (len > 8) | |
| 602 len = 8; | |
| 603 for (int i = 0; i < len; i++) { | |
| 604 String hex = encPasswordParam.substring(i * 2, i * 2 + 2); | |
| 605 Integer x = new Integer(Integer.parseInt(hex, 16)); | |
| 606 pw[i] = x.byteValue(); | |
| 607 } | |
| 608 // Decrypt the password. | |
| 609 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 }; | |
| 610 DesCipher des = new DesCipher(key); | |
| 611 des.decrypt(pw, 0, pw, 0); | |
| 612 passwordParam = new String(pw); | |
| 613 | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 public String readParameter(String name, boolean required) { | |
| 618 for (int i = 0; i < mainArgs.length; i += 2) { | |
| 619 if (mainArgs[i].equalsIgnoreCase(name)) { | |
| 620 try { | |
| 621 return mainArgs[i + 1]; | |
| 622 } catch (Exception e) { | |
| 623 if (required) { | |
| 624 fatalError(name + " parameter not specified"); | |
| 625 } | |
| 626 return null; | |
| 627 } | |
| 628 } | |
| 629 } | |
| 630 if (required) { | |
| 631 fatalError(name + " parameter not specified"); | |
| 632 } | |
| 633 return null; | |
| 634 } | |
| 635 | |
| 636 int readIntParameter(String name, int defaultValue) { | |
| 637 String str = readParameter(name, false); | |
| 638 int result = defaultValue; | |
| 639 if (str != null) { | |
| 640 try { | |
| 641 result = Integer.parseInt(str); | |
| 642 } catch (NumberFormatException e) { | |
| 643 } | |
| 644 } | |
| 645 return result; | |
| 646 } | |
| 647 | |
| 648 // | |
| 649 // disconnect() - close connection to server. | |
| 650 // | |
| 651 | |
| 652 synchronized public void disconnect() { | |
| 653 System.out.println("Disconnecting"); | |
| 654 | |
| 655 if (vc != null) { | |
| 656 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0; | |
| 657 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0; | |
| 658 int nRealRects = vc.statNumPixelRects; | |
| 659 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects; | |
| 660 System.out.println("Updates received: " + vc.statNumUpdates + " (" | |
| 661 + nRealRects + " rectangles + " + nPseudoRects | |
| 662 + " pseudo), " + rate + " updates/sec"); | |
| 663 int numRectsOther = nRealRects - vc.statNumRectsTight | |
| 664 - vc.statNumRectsZRLE - vc.statNumRectsHextile | |
| 665 - vc.statNumRectsRaw - vc.statNumRectsCopy; | |
| 666 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight | |
| 667 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE=" | |
| 668 + vc.statNumRectsZRLE + " Hextile=" | |
| 669 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw | |
| 670 + " CopyRect=" + vc.statNumRectsCopy + " other=" | |
| 671 + numRectsOther); | |
| 672 | |
| 673 int raw = vc.statNumBytesDecoded; | |
| 674 int compressed = vc.statNumBytesEncoded; | |
| 675 if (compressed > 0) { | |
| 676 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0; | |
| 677 System.out.println("Pixel data: " + vc.statNumBytesDecoded | |
| 678 + " bytes, " + vc.statNumBytesEncoded | |
| 679 + " compressed, ratio " + ratio); | |
| 680 } | |
| 681 } | |
| 682 | |
| 683 if (rfb != null && !rfb.closed()) | |
| 684 rfb.close(); | |
| 67 | 685 // options.dispose(); |
| 13 | 686 clipboard.dispose(); |
| 687 if (rec != null) | |
| 688 rec.dispose(); | |
| 689 | |
| 690 System.exit(0); | |
| 691 | |
| 692 } | |
| 693 | |
| 694 // | |
| 695 // fatalError() - print out a fatal error message. | |
| 696 // FIXME: Do we really need two versions of the fatalError() method? | |
| 697 // | |
| 698 | |
| 699 synchronized public void fatalError(String str) { | |
| 700 System.out.println(str); | |
| 701 System.exit(1); | |
| 702 } | |
| 703 | |
| 704 synchronized public void fatalError(String str, Exception e) { | |
| 705 | |
| 706 if (rfb != null && rfb.closed()) { | |
| 707 // Not necessary to show error message if the error was caused | |
| 708 // by I/O problems after the rfb.close() method call. | |
| 709 System.out.println("RFB thread finished"); | |
| 710 return; | |
| 711 } | |
| 712 | |
| 713 System.out.println(str); | |
| 714 e.printStackTrace(); | |
| 715 | |
| 716 if (rfb != null) | |
| 717 rfb.close(); | |
| 718 | |
| 719 System.exit(1); | |
| 720 | |
| 721 } | |
| 722 | |
| 723 // | |
| 724 // Show message text and optionally "Relogin" and "Close" buttons. | |
| 725 // | |
| 726 | |
| 727 void showMessage(String msg) { | |
| 728 vncContainer.removeAll(); | |
| 729 | |
| 730 Label errLabel = new Label(msg, Label.CENTER); | |
| 731 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12)); | |
| 732 | |
| 733 if (offerRelogin) { | |
| 734 /* | |
| 735 * Panel gridPanel = new Panel(new GridLayout(0, 1)); Panel | |
| 736 * outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT)); | |
| 737 * outerPanel.add(gridPanel); vncContainer.setLayout(new | |
| 738 * FlowLayout(FlowLayout.LEFT, 30, 16)); | |
| 739 * vncContainer.add(outerPanel); Panel textPanel = new Panel(new | |
| 740 * FlowLayout(FlowLayout.CENTER)); textPanel.add(errLabel); | |
| 741 * gridPanel.add(textPanel); gridPanel.add(new ReloginPanel(this)); | |
| 742 */ | |
| 743 } else { | |
| 744 /* | |
| 745 * vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30)); | |
| 746 * vncContainer.add(errLabel); | |
| 747 */ | |
| 748 } | |
| 749 | |
| 750 } | |
| 751 | |
| 752 // | |
| 753 // Stop the applet. | |
| 754 // Main applet thread will terminate on first exception | |
| 755 // after seeing that rfbThread has been set to null. | |
| 756 // | |
| 757 | |
| 758 public void stop() { | |
| 759 System.out.println("Stopping applet"); | |
| 760 rfbThread = null; | |
| 761 } | |
| 762 | |
| 763 // | |
| 764 // This method is called before the applet is destroyed. | |
| 765 // | |
| 766 | |
| 767 public void destroy() { | |
| 768 System.out.println("Destroying applet"); | |
| 769 | |
| 770 vncContainer.removeAll(); | |
| 67 | 771 // options.dispose(); |
| 13 | 772 clipboard.dispose(); |
| 773 if (rec != null) | |
| 774 rec.dispose(); | |
| 775 if (rfb != null && !rfb.closed()) | |
| 776 rfb.close(); | |
| 777 } | |
| 778 | |
| 779 // | |
| 780 // Start/stop receiving mouse events. | |
| 781 // | |
| 782 | |
| 783 public void enableInput(boolean enable) { | |
| 784 vc.enableInput(enable); | |
| 785 } | |
| 786 | |
| 787 // | |
| 788 // Close application properly on window close event. | |
| 789 // | |
| 790 | |
| 791 public void windowClosing(WindowEvent evt) { | |
| 792 System.out.println("Closing window"); | |
| 793 if (rfb != null) | |
| 794 disconnect(); | |
| 795 | |
| 796 vncContainer.hide(); | |
| 797 | |
| 798 } | |
| 799 | |
| 800 // | |
| 801 // Ignore window events we're not interested in. | |
| 802 // | |
| 803 | |
| 804 public void windowActivated(WindowEvent evt) { | |
| 805 } | |
| 806 | |
| 807 public void windowDeactivated(WindowEvent evt) { | |
| 808 } | |
| 809 | |
| 810 public void windowOpened(WindowEvent evt) { | |
| 811 } | |
| 812 | |
| 813 public void windowClosed(WindowEvent evt) { | |
| 814 } | |
| 815 | |
| 816 public void windowIconified(WindowEvent evt) { | |
| 817 } | |
| 818 | |
| 819 public void windowDeiconified(WindowEvent evt) { | |
| 820 } | |
| 821 } |