Mercurial > hg > Members > nobuyasu > tightVNCClient
annotate src/myVncClient/MyVncClient.java @ 31:bf1126d1e721
modify MyVncClient.java
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 06 Jul 2011 15:07:31 +0900 |
| parents | a335a1038a23 |
| children | 6ddc79804a08 |
| rev | line source |
|---|---|
| 20 | 1 package myVncClient; |
| 2 | |
| 3 import java.awt.*; | |
| 4 import java.awt.event.*; | |
| 5 import java.io.*; | |
| 6 import java.net.*; | |
| 7 | |
| 26 | 8 import myVncClient.acceptThread; |
| 9 | |
| 20 | 10 public class MyVncClient extends VncViewer implements |
| 11 java.lang.Runnable, WindowListener { | |
| 12 | |
| 13 boolean inAnApplet = true; | |
| 14 boolean inSeparateFrame = false; | |
| 30 | 15 static Socket clientSocket = null; |
| 16 String parent,treenum; | |
| 17 Revalue value; //include trenumber, parentstnumber,etc | |
| 20 | 18 // |
| 19 // main() is called when run as a java program from the command line. | |
| 20 // It simply runs the applet inside a newly-created frame. | |
| 21 // | |
| 22 | |
| 23 public static void main(String[] argv) { | |
| 24 MyVncClient v = new MyVncClient(); | |
| 25 v.mainArgs = argv; | |
| 26 v.inAnApplet = false; | |
| 27 v.inSeparateFrame = true; | |
| 28 | |
| 30 | 29 v.init(null); |
| 20 | 30 v.start(); |
| 31 } | |
| 32 | |
| 26 | 33 |
| 34 | |
| 20 | 35 // |
| 36 // init() | |
| 37 // | |
| 38 | |
| 30 | 39 public void init(Revalue value) { |
| 20 | 40 |
| 30 | 41 // readParameters(); |
| 42 readParameters(value); | |
| 20 | 43 |
| 44 refApplet = this; | |
| 45 | |
| 46 if (inSeparateFrame) { | |
| 47 vncFrame = new Frame("TightVNC"); | |
| 48 if (!inAnApplet) { | |
| 49 vncFrame.add("Center", this); | |
| 50 } | |
| 51 vncContainer = vncFrame; | |
| 52 } else { | |
| 53 vncContainer = this; | |
| 54 } | |
| 55 | |
| 56 recordingSync = new Object(); | |
| 57 | |
| 58 options = new OptionsFrame(this); | |
| 59 clipboard = new ClipboardFrame(this); | |
| 60 if (RecordingFrame.checkSecurity()) | |
| 61 rec = new RecordingFrame(this); | |
| 62 | |
| 63 sessionFileName = null; | |
| 64 recordingActive = false; | |
| 65 recordingStatusChanged = false; | |
| 66 cursorUpdatesDef = null; | |
| 67 eightBitColorsDef = null; | |
| 68 | |
| 69 if (inSeparateFrame) | |
| 70 vncFrame.addWindowListener(this); | |
| 71 | |
| 27 | 72 |
| 73 | |
| 20 | 74 rfbThread = new Thread(this); |
| 75 rfbThread.start(); | |
| 26 | 76 accThread = new Thread(new acceptThread(rfb)); |
| 77 accThread.start(); | |
| 78 | |
| 20 | 79 } |
| 80 | |
| 81 public void update(Graphics g) { | |
| 82 } | |
| 83 | |
| 84 // | |
| 85 // run() - executed by the rfbThread to deal with the RFB socket. | |
| 86 // | |
| 87 | |
| 88 public void run() { | |
| 89 | |
| 90 gridbag = new GridBagLayout(); | |
| 91 vncContainer.setLayout(gridbag); | |
| 92 | |
| 93 GridBagConstraints gbc = new GridBagConstraints(); | |
| 94 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 95 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 96 | |
| 97 if (showControls) { | |
| 98 buttonPanel = new ButtonPanel(this); | |
| 99 gridbag.setConstraints(buttonPanel, gbc); | |
| 100 vncContainer.add(buttonPanel); | |
| 101 } | |
| 102 | |
| 103 /*****************************************************************************/ | |
| 27 | 104 // vncFrame.pack(); |
| 105 // vncFrame.setVisible(true); | |
| 20 | 106 try { |
| 27 | 107 // rfb = new MyRfbProto(host, port, this); |
| 108 // rfb.readServerInit(); | |
| 20 | 109 |
| 110 | |
| 27 | 111 connectAndAuthenticate(); |
| 112 doProtocolInitialisation(); | |
| 113 | |
| 20 | 114 createCanvas(0, 0); |
| 26 | 115 |
| 116 // read & draw Png Data | |
| 117 // rfb.readPngData(); | |
| 118 // vc.drawFirstImage(); | |
| 20 | 119 |
| 120 | |
| 121 } catch (IOException e) { | |
| 122 System.out.println("Socket error"); | |
| 123 System.exit(0); | |
| 27 | 124 } catch (Exception e){ |
| 125 | |
| 20 | 126 } |
| 127 | |
| 128 gbc.weightx = 1.0; | |
| 129 gbc.weighty = 1.0; | |
| 130 | |
| 131 if (inSeparateFrame) { | |
| 132 | |
| 133 // Create a panel which itself is resizeable and can hold | |
| 134 // non-resizeable VncCanvas component at the top left corner. | |
| 135 Panel canvasPanel = new Panel(); | |
| 136 canvasPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0)); | |
| 137 canvasPanel.add(vc); | |
| 138 | |
| 139 // Create a ScrollPane which will hold a panel with VncCanvas | |
| 140 // inside. | |
| 141 desktopScrollPane = new ScrollPane(ScrollPane.SCROLLBARS_AS_NEEDED); | |
| 142 gbc.fill = GridBagConstraints.BOTH; | |
| 143 gridbag.setConstraints(desktopScrollPane, gbc); | |
| 144 desktopScrollPane.add(canvasPanel); | |
| 145 | |
| 146 // Finally, add our ScrollPane to the Frame window. | |
| 147 vncFrame.add(desktopScrollPane); | |
| 148 vncFrame.setTitle(rfb.desktopName); | |
| 149 vncFrame.pack(); | |
| 150 vc.resizeDesktopFrame(); | |
| 151 | |
| 152 } else { | |
| 153 | |
| 154 // Just add the VncCanvas component to the Applet. | |
| 155 gridbag.setConstraints(vc, gbc); | |
| 156 add(vc); | |
| 157 validate(); | |
| 158 | |
| 159 } | |
| 160 /*****************************************************************************/ | |
| 161 | |
| 162 | |
| 163 try { | |
| 164 if (showControls) | |
| 165 buttonPanel.enableButtons(); | |
| 166 | |
| 167 moveFocusToDesktop(); | |
| 168 | |
| 169 processNormalProtocol();// main loop | |
| 170 | |
| 171 } catch (NoRouteToHostException e) { | |
| 172 fatalError("Network error: no route to server: " + host, e); | |
| 173 } catch (UnknownHostException e) { | |
| 174 fatalError("Network error: server name unknown: " + host, e); | |
| 175 } catch (ConnectException e) { | |
| 176 fatalError("Network error: could not connect to server: " + host | |
| 177 + ":" + port, e); | |
| 178 } catch (EOFException e) { | |
|
29
750ecaa1e1b9
add echoClient.java and waitreply.java. modify MyRfbProto.java
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diff
changeset
|
179 |
| 30 | 180 //insert |
| 181 //リーダーの子ノードがproxyに対して親が落ちたことを報告をする | |
| 182 if ("1".equals(echoClient.value.leaderflag)){ | |
| 183 echo = new echoClient(); | |
| 184 echo.openport(); | |
| 185 echo.losthost(); | |
| 186 } else if ("0".equals(echoClient.value.leaderflag)){ | |
| 187 try { | |
| 188 Thread.sleep(1000); | |
| 189 } catch (InterruptedException e1) { | |
| 190 // TODO Auto-generated catch block | |
| 191 e1.printStackTrace(); | |
| 192 } | |
| 193 echo = new echoClient(); | |
| 194 echo.openport(); | |
| 195 echo.losthost(); | |
| 196 }else{ | |
| 197 | |
|
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add echoClient.java and waitreply.java. modify MyRfbProto.java
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changeset
|
198 |
| 20 | 199 if (showOfflineDesktop) { |
| 200 e.printStackTrace(); | |
| 201 System.out | |
| 202 .println("Network error: remote side closed connection"); | |
| 203 if (vc != null) { | |
| 204 vc.enableInput(false); | |
| 205 } | |
| 206 if (inSeparateFrame) { | |
| 207 vncFrame.setTitle(rfb.desktopName + " [disconnected]"); | |
| 208 } | |
| 209 if (rfb != null && !rfb.closed()) | |
| 210 rfb.close(); | |
| 211 if (showControls && buttonPanel != null) { | |
| 212 buttonPanel.disableButtonsOnDisconnect(); | |
| 213 if (inSeparateFrame) { | |
| 214 vncFrame.pack(); | |
| 215 } else { | |
| 216 validate(); | |
| 217 } | |
| 218 } | |
| 219 } else { | |
| 220 fatalError("Network error: remote side closed connection", e); | |
| 221 } | |
| 30 | 222 } |
| 20 | 223 } catch (IOException e) { |
| 224 String str = e.getMessage(); | |
| 225 if (str != null && str.length() != 0) { | |
| 226 fatalError("Network Error: " + str, e); | |
| 227 } else { | |
| 228 fatalError(e.toString(), e); | |
| 229 } | |
| 230 } catch (Exception e) { | |
| 231 String str = e.getMessage(); | |
| 232 if (str != null && str.length() != 0) { | |
| 233 fatalError("Error: " + str, e); | |
| 234 } else { | |
| 235 fatalError(e.toString(), e); | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 } | |
| 240 | |
| 241 // | |
| 242 // Create a VncCanvas instance. | |
| 243 // | |
| 244 | |
| 245 void createCanvas(int maxWidth, int maxHeight) throws IOException { | |
| 246 // Determine if Java 2D API is available and use a special | |
| 247 // version of VncCanvas if it is present. | |
| 248 vc = null; | |
| 249 try { | |
| 250 // This throws ClassNotFoundException if there is no Java 2D API. | |
| 251 Class cl = Class.forName("java.awt.Graphics2D"); | |
| 252 // If we could load Graphics2D class, then we can use VncCanvas2D. | |
| 253 cl = Class.forName("VncCanvas2"); | |
| 254 Class[] argClasses = { this.getClass(), Integer.TYPE, Integer.TYPE }; | |
| 255 java.lang.reflect.Constructor cstr = cl.getConstructor(argClasses); | |
| 256 Object[] argObjects = { this, new Integer(maxWidth), | |
| 257 new Integer(maxHeight) }; | |
| 258 vc = (VncCanvas) cstr.newInstance(argObjects); | |
| 259 } catch (Exception e) { | |
| 260 System.out.println("Warning: Java 2D API is not available"); | |
| 261 } | |
| 262 | |
| 263 // If we failed to create VncCanvas2D, use old VncCanvas. | |
| 264 if (vc == null) | |
| 265 vc = new VncCanvas(this, maxWidth, maxHeight); | |
| 266 } | |
| 267 | |
| 268 // | |
| 269 // Process RFB socket messages. | |
| 270 // If the rfbThread is being stopped, ignore any exceptions, | |
| 271 // otherwise rethrow the exception so it can be handled. | |
| 272 // | |
| 273 | |
| 274 void processNormalProtocol() throws Exception { | |
| 275 try { | |
| 276 vc.processNormalProtocol();// main loop | |
| 277 } catch (Exception e) { | |
| 278 if (rfbThread == null) { | |
| 279 System.out.println("Ignoring RFB socket exceptions" | |
| 280 + " because applet is stopping"); | |
| 281 } else { | |
| 282 throw e; | |
| 283 } | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 // | |
| 288 // Connect to the RFB server and authenticate the user. | |
| 289 // | |
| 290 | |
| 291 void connectAndAuthenticate() throws Exception { | |
| 27 | 292 |
| 20 | 293 showConnectionStatus("Initializing..."); |
| 294 if (inSeparateFrame) { | |
| 295 vncFrame.pack(); | |
| 296 vncFrame.setVisible(true); | |
| 297 } else { | |
| 298 validate(); | |
| 299 } | |
| 300 | |
| 301 showConnectionStatus("Connecting to " + host + ", port " + port + "..."); | |
| 302 | |
| 303 rfb = new MyRfbProto(host, port, this); | |
| 304 showConnectionStatus("Connected to server"); | |
| 305 | |
| 306 rfb.readVersionMsg(); | |
| 307 showConnectionStatus("RFB server supports protocol version " | |
| 308 + rfb.serverMajor + "." + rfb.serverMinor); | |
| 309 | |
| 310 rfb.writeVersionMsg(); | |
| 311 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor | |
| 312 + "." + rfb.clientMinor); | |
| 313 | |
| 314 int secType = rfb.negotiateSecurity(); | |
| 315 int authType; | |
| 316 if (secType == RfbProto.SecTypeTight) { | |
| 317 showConnectionStatus("Enabling TightVNC protocol extensions"); | |
| 318 rfb.setupTunneling(); | |
| 319 authType = rfb.negotiateAuthenticationTight(); | |
| 320 } else { | |
| 321 authType = secType; | |
| 322 } | |
| 323 | |
| 324 switch (authType) { | |
| 325 case RfbProto.AuthNone: | |
| 326 showConnectionStatus("No authentication needed"); | |
| 327 rfb.authenticateNone(); | |
| 328 break; | |
| 329 case RfbProto.AuthVNC: | |
| 330 showConnectionStatus("Performing standard VNC authentication"); | |
| 331 if (passwordParam != null) { | |
| 332 rfb.authenticateVNC(passwordParam); | |
| 333 } else { | |
| 334 String pw = askPassword(); | |
| 335 rfb.authenticateVNC(pw); | |
| 336 } | |
| 337 break; | |
| 338 default: | |
| 339 throw new Exception("Unknown authentication scheme " + authType); | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 // | |
| 344 // Show a message describing the connection status. | |
| 345 // To hide the connection status label, use (msg == null). | |
| 346 // | |
| 347 | |
| 348 void showConnectionStatus(String msg) { | |
| 349 if (msg == null) { | |
| 350 if (vncContainer.isAncestorOf(connStatusLabel)) { | |
| 351 vncContainer.remove(connStatusLabel); | |
| 352 } | |
| 353 return; | |
| 354 } | |
| 355 | |
| 356 System.out.println(msg); | |
| 357 | |
| 358 if (connStatusLabel == null) { | |
| 359 connStatusLabel = new Label("Status: " + msg); | |
| 360 connStatusLabel.setFont(new Font("Helvetica", Font.PLAIN, 12)); | |
| 361 } else { | |
| 362 connStatusLabel.setText("Status: " + msg); | |
| 363 } | |
| 364 | |
| 365 if (!vncContainer.isAncestorOf(connStatusLabel)) { | |
| 366 GridBagConstraints gbc = new GridBagConstraints(); | |
| 367 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 368 gbc.fill = GridBagConstraints.HORIZONTAL; | |
| 369 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 370 gbc.weightx = 1.0; | |
| 371 gbc.weighty = 1.0; | |
| 372 gbc.insets = new Insets(20, 30, 20, 30); | |
| 373 gridbag.setConstraints(connStatusLabel, gbc); | |
| 374 vncContainer.add(connStatusLabel); | |
| 375 } | |
| 376 | |
| 377 if (inSeparateFrame) { | |
| 378 vncFrame.pack(); | |
| 379 } else { | |
| 380 validate(); | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 // | |
| 385 // Show an authentication panel. | |
| 386 // | |
| 387 | |
| 388 String askPassword() throws Exception { | |
| 389 showConnectionStatus(null); | |
| 390 | |
| 391 AuthPanel authPanel = new AuthPanel(this); | |
| 392 | |
| 393 GridBagConstraints gbc = new GridBagConstraints(); | |
| 394 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 395 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 396 gbc.weightx = 1.0; | |
| 397 gbc.weighty = 1.0; | |
| 398 gbc.ipadx = 100; | |
| 399 gbc.ipady = 50; | |
| 400 gridbag.setConstraints(authPanel, gbc); | |
| 401 vncContainer.add(authPanel); | |
| 402 | |
| 403 if (inSeparateFrame) { | |
| 404 vncFrame.pack(); | |
| 405 } else { | |
| 406 validate(); | |
| 407 } | |
| 408 | |
| 409 authPanel.moveFocusToDefaultField(); | |
| 410 String pw = authPanel.getPassword(); | |
| 411 vncContainer.remove(authPanel); | |
| 412 | |
| 413 return pw; | |
| 414 } | |
| 415 | |
| 416 // | |
| 417 // Do the rest of the protocol initialisation. | |
| 418 // | |
| 419 | |
| 420 void doProtocolInitialisation() throws IOException { | |
| 421 rfb.writeClientInit(); | |
| 422 rfb.readServerInit(); | |
| 423 | |
| 424 System.out.println("Desktop name is " + rfb.desktopName); | |
| 425 System.out.println("Desktop size is " + rfb.framebufferWidth + " x " | |
| 426 + rfb.framebufferHeight); | |
| 427 | |
| 428 setEncodings(); | |
| 429 | |
| 430 showConnectionStatus(null); | |
| 431 } | |
| 432 | |
| 433 // | |
| 434 // Send current encoding list to the RFB server. | |
| 435 // | |
| 436 | |
| 437 int[] encodingsSaved; | |
| 438 int nEncodingsSaved; | |
| 439 | |
| 440 void setEncodings() { | |
| 441 setEncodings(false); | |
| 442 } | |
| 443 | |
| 444 void autoSelectEncodings() { | |
| 445 setEncodings(true); | |
| 446 } | |
| 447 | |
| 448 void setEncodings(boolean autoSelectOnly) { | |
| 449 if (options == null || rfb == null || !rfb.inNormalProtocol) | |
| 450 return; | |
| 451 | |
| 452 int preferredEncoding = options.preferredEncoding; | |
| 453 if (preferredEncoding == -1) { | |
| 454 long kbitsPerSecond = rfb.kbitsPerSecond(); | |
| 455 if (nEncodingsSaved < 1) { | |
| 456 // Choose Tight or ZRLE encoding for the very first update. | |
| 457 System.out.println("Using Tight/ZRLE encodings"); | |
| 458 preferredEncoding = RfbProto.EncodingTight; | |
| 459 } else if (kbitsPerSecond > 2000 | |
| 460 && encodingsSaved[0] != RfbProto.EncodingHextile) { | |
| 461 // Switch to Hextile if the connection speed is above 2Mbps. | |
| 462 System.out.println("Throughput " + kbitsPerSecond | |
| 463 + " kbit/s - changing to Hextile encoding"); | |
| 464 preferredEncoding = RfbProto.EncodingHextile; | |
| 465 } else if (kbitsPerSecond < 1000 | |
| 466 && encodingsSaved[0] != RfbProto.EncodingTight) { | |
| 467 // Switch to Tight/ZRLE if the connection speed is below 1Mbps. | |
| 468 System.out.println("Throughput " + kbitsPerSecond | |
| 469 + " kbit/s - changing to Tight/ZRLE encodings"); | |
| 470 preferredEncoding = RfbProto.EncodingTight; | |
| 471 } else { | |
| 472 // Don't change the encoder. | |
| 473 if (autoSelectOnly) | |
| 474 return; | |
| 475 preferredEncoding = encodingsSaved[0]; | |
| 476 } | |
| 477 } else { | |
| 478 // Auto encoder selection is not enabled. | |
| 479 if (autoSelectOnly) | |
| 480 return; | |
| 481 } | |
| 482 | |
| 483 int[] encodings = new int[20]; | |
| 484 int nEncodings = 0; | |
| 485 | |
| 486 encodings[nEncodings++] = preferredEncoding; | |
| 487 if (options.useCopyRect) { | |
| 488 encodings[nEncodings++] = RfbProto.EncodingCopyRect; | |
| 489 } | |
| 490 | |
| 491 if (preferredEncoding != RfbProto.EncodingTight) { | |
| 492 encodings[nEncodings++] = RfbProto.EncodingTight; | |
| 493 } | |
| 494 if (preferredEncoding != RfbProto.EncodingZRLE) { | |
| 495 encodings[nEncodings++] = RfbProto.EncodingZRLE; | |
| 496 } | |
| 497 if (preferredEncoding != RfbProto.EncodingHextile) { | |
| 498 encodings[nEncodings++] = RfbProto.EncodingHextile; | |
| 499 } | |
| 500 if (preferredEncoding != RfbProto.EncodingZlib) { | |
| 501 encodings[nEncodings++] = RfbProto.EncodingZlib; | |
| 502 } | |
| 503 if (preferredEncoding != RfbProto.EncodingCoRRE) { | |
| 504 encodings[nEncodings++] = RfbProto.EncodingCoRRE; | |
| 505 } | |
| 506 if (preferredEncoding != RfbProto.EncodingRRE) { | |
| 507 encodings[nEncodings++] = RfbProto.EncodingRRE; | |
| 508 } | |
| 509 | |
| 510 if (options.compressLevel >= 0 && options.compressLevel <= 9) { | |
| 511 encodings[nEncodings++] = RfbProto.EncodingCompressLevel0 | |
| 512 + options.compressLevel; | |
| 513 } | |
| 514 if (options.jpegQuality >= 0 && options.jpegQuality <= 9) { | |
| 515 encodings[nEncodings++] = RfbProto.EncodingQualityLevel0 | |
| 516 + options.jpegQuality; | |
| 517 } | |
| 518 | |
| 519 if (options.requestCursorUpdates) { | |
| 520 encodings[nEncodings++] = RfbProto.EncodingXCursor; | |
| 521 encodings[nEncodings++] = RfbProto.EncodingRichCursor; | |
| 522 if (!options.ignoreCursorUpdates) | |
| 523 encodings[nEncodings++] = RfbProto.EncodingPointerPos; | |
| 524 } | |
| 525 | |
| 526 encodings[nEncodings++] = RfbProto.EncodingLastRect; | |
| 527 encodings[nEncodings++] = RfbProto.EncodingNewFBSize; | |
| 528 | |
| 529 boolean encodingsWereChanged = false; | |
| 530 if (nEncodings != nEncodingsSaved) { | |
| 531 encodingsWereChanged = true; | |
| 532 } else { | |
| 533 for (int i = 0; i < nEncodings; i++) { | |
| 534 if (encodings[i] != encodingsSaved[i]) { | |
| 535 encodingsWereChanged = true; | |
| 536 break; | |
| 537 } | |
| 538 } | |
| 539 } | |
| 540 | |
| 541 if (encodingsWereChanged) { | |
| 542 try { | |
| 543 rfb.writeSetEncodings(encodings, nEncodings); | |
| 544 if (vc != null) { | |
| 545 vc.softCursorFree(); | |
| 546 } | |
| 547 } catch (Exception e) { | |
| 548 e.printStackTrace(); | |
| 549 } | |
| 550 encodingsSaved = encodings; | |
| 551 nEncodingsSaved = nEncodings; | |
| 552 } | |
| 553 } | |
| 554 | |
| 555 // | |
| 556 // setCutText() - send the given cut text to the RFB server. | |
| 557 // | |
| 558 | |
| 559 void setCutText(String text) { | |
| 560 try { | |
| 561 if (rfb != null && rfb.inNormalProtocol) { | |
| 562 rfb.writeClientCutText(text); | |
| 563 } | |
| 564 } catch (Exception e) { | |
| 565 e.printStackTrace(); | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 // | |
| 570 // Order change in session recording status. To stop recording, pass | |
| 571 // null in place of the fname argument. | |
| 572 // | |
| 573 | |
| 574 void setRecordingStatus(String fname) { | |
| 575 synchronized (recordingSync) { | |
| 576 sessionFileName = fname; | |
| 577 recordingStatusChanged = true; | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 // | |
| 582 // Start or stop session recording. Returns true if this method call | |
| 583 // causes recording of a new session. | |
| 584 // | |
| 585 | |
| 586 boolean checkRecordingStatus() throws IOException { | |
| 587 synchronized (recordingSync) { | |
| 588 if (recordingStatusChanged) { | |
| 589 recordingStatusChanged = false; | |
| 590 if (sessionFileName != null) { | |
| 591 startRecording(); | |
| 592 return true; | |
| 593 } else { | |
| 594 stopRecording(); | |
| 595 } | |
| 596 } | |
| 597 } | |
| 598 return false; | |
| 599 } | |
| 600 | |
| 601 // | |
| 602 // Start session recording. | |
| 603 // | |
| 604 | |
| 605 protected void startRecording() throws IOException { | |
| 606 synchronized (recordingSync) { | |
| 607 if (!recordingActive) { | |
| 608 // Save settings to restore them after recording the session. | |
| 609 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex] | |
| 610 .getSelectedItem(); | |
| 611 eightBitColorsDef = options.choices[options.eightBitColorsIndex] | |
| 612 .getSelectedItem(); | |
| 613 // Set options to values suitable for recording. | |
| 614 options.choices[options.cursorUpdatesIndex].select("Disable"); | |
| 615 options.choices[options.cursorUpdatesIndex].setEnabled(false); | |
| 616 options.setEncodings(); | |
| 617 options.choices[options.eightBitColorsIndex].select("No"); | |
| 618 options.choices[options.eightBitColorsIndex].setEnabled(false); | |
| 619 options.setColorFormat(); | |
| 620 } else { | |
| 621 rfb.closeSession(); | |
| 622 } | |
| 623 | |
| 624 System.out.println("Recording the session in " + sessionFileName); | |
| 625 rfb.startSession(sessionFileName); | |
| 626 recordingActive = true; | |
| 627 } | |
| 628 } | |
| 629 | |
| 630 // | |
| 631 // Stop session recording. | |
| 632 // | |
| 633 | |
| 634 protected void stopRecording() throws IOException { | |
| 635 synchronized (recordingSync) { | |
| 636 if (recordingActive) { | |
| 637 // Restore options. | |
| 638 options.choices[options.cursorUpdatesIndex] | |
| 639 .select(cursorUpdatesDef); | |
| 640 options.choices[options.cursorUpdatesIndex].setEnabled(true); | |
| 641 options.setEncodings(); | |
| 642 options.choices[options.eightBitColorsIndex] | |
| 643 .select(eightBitColorsDef); | |
| 644 options.choices[options.eightBitColorsIndex].setEnabled(true); | |
| 645 options.setColorFormat(); | |
| 646 | |
| 647 rfb.closeSession(); | |
| 648 System.out.println("Session recording stopped."); | |
| 649 } | |
| 650 sessionFileName = null; | |
| 651 recordingActive = false; | |
| 652 } | |
| 653 } | |
| 654 | |
| 655 // | |
| 656 // readParameters() - read parameters from the html source or from the | |
| 657 // command line. On the command line, the arguments are just a sequence of | |
| 658 // param_name/param_value pairs where the names and values correspond to | |
| 659 // those expected in the html applet tag source. | |
| 660 // | |
| 661 | |
| 30 | 662 void readParameters(Revalue value) { |
| 663 /* | |
| 664 host = readParameter("HOST", !inAnApplet); | |
| 665 | |
| 666 if (host == null) { host = getCodeBase().getHost(); if | |
| 667 (host.equals("")) { fatalError("HOST parameter not specified"); } } | |
| 668 | |
| 669 port = readIntParameter("PORT", 5550); | |
| 670 */ | |
| 671 | |
|
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672 if(mainArgs.length > 0)host = mainArgs[0]; |
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673 else host = "cls080.ie.u-ryukyu.ac.jp"; |
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674 |
| 30 | 675 if(value==null){ |
| 676 if(clientSocket==null) | |
| 677 { | |
|
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678 echo = new echoClient(host); |
| 30 | 679 echo.openport(); |
| 680 // value = echo.hostn(mainArgs[0]); | |
| 681 value = echo.hostn("1"); | |
|
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682 }else{ |
| 30 | 683 echo = new echoClient(); |
| 684 value = echo.Interruption(clientSocket); | |
|
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685 } |
| 30 | 686 } |
| 687 //proxyからの返信で接続先を決定する | |
| 688 host=value.responseLine; | |
| 689 parent=value.parent; | |
| 690 treenum=value.treenum; | |
| 691 System.out.println("親は"+parent); | |
| 692 System.out.println("自分の番号"+treenum); | |
| 693 System.out.println("接続先hostは" + host); | |
|
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694 |
| 30 | 695 if (host == null) { |
| 696 host = getCodeBase().getHost(); | |
| 697 if (host.equals("")) { | |
| 698 fatalError("HOST parameter not specified"); | |
| 699 } | |
| 700 } | |
| 701 port = 5550; | |
| 702 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified. | |
| 20 | 703 readPasswordParameters(); |
| 704 | |
| 705 String str; | |
| 706 if (inAnApplet) { | |
| 707 str = readParameter("Open New Window", false); | |
| 708 if (str != null && str.equalsIgnoreCase("Yes")) | |
| 709 inSeparateFrame = true; | |
| 710 } | |
| 711 | |
| 712 // "Show Controls" set to "No" disables button panel. | |
| 713 showControls = true; | |
| 714 str = readParameter("Show Controls", false); | |
| 715 if (str != null && str.equalsIgnoreCase("No")) | |
| 716 showControls = false; | |
| 717 | |
| 718 // "Offer Relogin" set to "No" disables "Login again" and "Close | |
| 719 // window" buttons under error messages in applet mode. | |
| 720 offerRelogin = true; | |
| 721 str = readParameter("Offer Relogin", false); | |
| 722 if (str != null && str.equalsIgnoreCase("No")) | |
| 723 offerRelogin = false; | |
| 724 | |
| 725 // Do we continue showing desktop on remote disconnect? | |
| 726 showOfflineDesktop = false; | |
| 727 str = readParameter("Show Offline Desktop", false); | |
| 728 if (str != null && str.equalsIgnoreCase("Yes")) | |
| 729 showOfflineDesktop = true; | |
| 730 | |
| 731 // Fine tuning options. | |
| 732 deferScreenUpdates = readIntParameter("Defer screen updates", 20); | |
| 733 deferCursorUpdates = readIntParameter("Defer cursor updates", 10); | |
| 734 deferUpdateRequests = readIntParameter("Defer update requests", 0); | |
| 735 | |
| 736 // Debugging options. | |
| 737 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0); | |
| 738 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0); | |
| 739 | |
| 740 // SocketFactory. | |
| 741 socketFactory = readParameter("SocketFactory", false); | |
| 742 } | |
| 743 | |
| 744 // | |
| 745 // Read password parameters. If an "ENCPASSWORD" parameter is set, | |
| 746 // then decrypt the password into the passwordParam string. Otherwise, | |
| 747 // try to read the "PASSWORD" parameter directly to passwordParam. | |
| 748 // | |
| 749 | |
| 750 private void readPasswordParameters() { | |
| 751 String encPasswordParam = readParameter("ENCPASSWORD", false); | |
| 752 if (encPasswordParam == null) { | |
| 753 passwordParam = readParameter("PASSWORD", false); | |
| 754 | |
| 755 } else { | |
| 756 // ENCPASSWORD is hexascii-encoded. Decode. | |
| 757 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 }; | |
| 758 int len = encPasswordParam.length() / 2; | |
| 759 if (len > 8) | |
| 760 len = 8; | |
| 761 for (int i = 0; i < len; i++) { | |
| 762 String hex = encPasswordParam.substring(i * 2, i * 2 + 2); | |
| 763 Integer x = new Integer(Integer.parseInt(hex, 16)); | |
| 764 pw[i] = x.byteValue(); | |
| 765 } | |
| 766 // Decrypt the password. | |
| 767 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 }; | |
| 768 DesCipher des = new DesCipher(key); | |
| 769 des.decrypt(pw, 0, pw, 0); | |
| 770 passwordParam = new String(pw); | |
| 771 | |
| 772 } | |
| 773 } | |
| 774 | |
| 775 public String readParameter(String name, boolean required) { | |
| 776 if (inAnApplet) { | |
| 777 String s = getParameter(name); | |
| 778 if ((s == null) && required) { | |
| 779 fatalError(name + " parameter not specified"); | |
| 780 } | |
| 781 return s; | |
| 782 } | |
| 783 | |
| 784 for (int i = 0; i < mainArgs.length; i += 2) { | |
| 785 if (mainArgs[i].equalsIgnoreCase(name)) { | |
| 786 try { | |
| 787 return mainArgs[i + 1]; | |
| 788 } catch (Exception e) { | |
| 789 if (required) { | |
| 790 fatalError(name + " parameter not specified"); | |
| 791 } | |
| 792 return null; | |
| 793 } | |
| 794 } | |
| 795 } | |
| 796 if (required) { | |
| 797 fatalError(name + " parameter not specified"); | |
| 798 } | |
| 799 return null; | |
| 800 } | |
| 801 | |
| 802 int readIntParameter(String name, int defaultValue) { | |
| 803 String str = readParameter(name, false); | |
| 804 int result = defaultValue; | |
| 805 if (str != null) { | |
| 806 try { | |
| 807 result = Integer.parseInt(str); | |
| 808 } catch (NumberFormatException e) { | |
| 809 } | |
| 810 } | |
| 811 return result; | |
| 812 } | |
| 813 | |
| 814 // | |
| 815 // moveFocusToDesktop() - move keyboard focus either to VncCanvas. | |
| 816 // | |
| 817 | |
| 818 void moveFocusToDesktop() { | |
| 819 if (vncContainer != null) { | |
| 820 if (vc != null && vncContainer.isAncestorOf(vc)) | |
| 821 vc.requestFocus(); | |
| 822 } | |
| 823 } | |
| 824 | |
| 825 // | |
| 826 // disconnect() - close connection to server. | |
| 827 // | |
| 828 | |
| 829 synchronized public void disconnect() { | |
| 830 System.out.println("Disconnecting"); | |
| 831 | |
| 832 if (vc != null) { | |
| 833 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0; | |
| 834 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0; | |
| 835 int nRealRects = vc.statNumPixelRects; | |
| 836 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects; | |
| 837 System.out.println("Updates received: " + vc.statNumUpdates + " (" | |
| 838 + nRealRects + " rectangles + " + nPseudoRects | |
| 839 + " pseudo), " + rate + " updates/sec"); | |
| 840 int numRectsOther = nRealRects - vc.statNumRectsTight | |
| 841 - vc.statNumRectsZRLE - vc.statNumRectsHextile | |
| 842 - vc.statNumRectsRaw - vc.statNumRectsCopy; | |
| 843 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight | |
| 844 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE=" | |
| 845 + vc.statNumRectsZRLE + " Hextile=" | |
| 846 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw | |
| 847 + " CopyRect=" + vc.statNumRectsCopy + " other=" | |
| 848 + numRectsOther); | |
| 849 | |
| 850 int raw = vc.statNumBytesDecoded; | |
| 851 int compressed = vc.statNumBytesEncoded; | |
| 852 if (compressed > 0) { | |
| 853 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0; | |
| 854 System.out.println("Pixel data: " + vc.statNumBytesDecoded | |
| 855 + " bytes, " + vc.statNumBytesEncoded | |
| 856 + " compressed, ratio " + ratio); | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 if (rfb != null && !rfb.closed()) | |
| 861 rfb.close(); | |
| 862 options.dispose(); | |
| 863 clipboard.dispose(); | |
| 864 if (rec != null) | |
| 865 rec.dispose(); | |
| 866 | |
| 867 if (inAnApplet) { | |
| 868 showMessage("Disconnected"); | |
| 869 } else { | |
| 870 System.exit(0); | |
| 871 } | |
| 872 } | |
| 873 | |
| 874 // | |
| 875 // fatalError() - print out a fatal error message. | |
| 876 // FIXME: Do we really need two versions of the fatalError() method? | |
| 877 // | |
| 878 | |
| 879 synchronized public void fatalError(String str) { | |
| 880 System.out.println(str); | |
| 881 | |
| 882 if (inAnApplet) { | |
| 883 // vncContainer null, applet not inited, | |
| 884 // can not present the error to the user. | |
| 885 Thread.currentThread().stop(); | |
| 886 } else { | |
| 887 System.exit(1); | |
| 888 } | |
| 889 } | |
| 890 | |
| 891 synchronized public void fatalError(String str, Exception e) { | |
| 892 | |
| 893 if (rfb != null && rfb.closed()) { | |
| 894 // Not necessary to show error message if the error was caused | |
| 895 // by I/O problems after the rfb.close() method call. | |
| 896 System.out.println("RFB thread finished"); | |
| 897 return; | |
| 898 } | |
| 899 | |
| 900 System.out.println(str); | |
| 901 e.printStackTrace(); | |
| 902 | |
| 903 if (rfb != null) | |
| 904 rfb.close(); | |
| 905 | |
| 906 if (inAnApplet) { | |
| 907 showMessage(str); | |
| 908 } else { | |
| 909 System.exit(1); | |
| 910 } | |
| 911 } | |
| 912 | |
| 913 // | |
| 914 // Show message text and optionally "Relogin" and "Close" buttons. | |
| 915 // | |
| 916 | |
| 917 void showMessage(String msg) { | |
| 918 vncContainer.removeAll(); | |
| 919 | |
| 920 Label errLabel = new Label(msg, Label.CENTER); | |
| 921 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12)); | |
| 922 | |
| 923 if (offerRelogin) { | |
| 924 | |
| 925 Panel gridPanel = new Panel(new GridLayout(0, 1)); | |
| 926 Panel outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT)); | |
| 927 outerPanel.add(gridPanel); | |
| 928 vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 16)); | |
| 929 vncContainer.add(outerPanel); | |
| 930 Panel textPanel = new Panel(new FlowLayout(FlowLayout.CENTER)); | |
| 931 textPanel.add(errLabel); | |
| 932 gridPanel.add(textPanel); | |
| 933 gridPanel.add(new ReloginPanel(this)); | |
| 934 | |
| 935 } else { | |
| 936 | |
| 937 vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30)); | |
| 938 vncContainer.add(errLabel); | |
| 939 | |
| 940 } | |
| 941 | |
| 942 if (inSeparateFrame) { | |
| 943 vncFrame.pack(); | |
| 944 } else { | |
| 945 validate(); | |
| 946 } | |
| 947 } | |
| 948 | |
| 949 // | |
| 950 // Stop the applet. | |
| 951 // Main applet thread will terminate on first exception | |
| 952 // after seeing that rfbThread has been set to null. | |
| 953 // | |
| 954 | |
| 955 public void stop() { | |
| 956 System.out.println("Stopping applet"); | |
| 957 rfbThread = null; | |
| 958 } | |
| 959 | |
| 960 // | |
| 961 // This method is called before the applet is destroyed. | |
| 962 // | |
| 963 | |
| 964 public void destroy() { | |
| 965 System.out.println("Destroying applet"); | |
| 966 | |
| 967 vncContainer.removeAll(); | |
| 968 options.dispose(); | |
| 969 clipboard.dispose(); | |
| 970 if (rec != null) | |
| 971 rec.dispose(); | |
| 972 if (rfb != null && !rfb.closed()) | |
| 973 rfb.close(); | |
| 974 if (inSeparateFrame) | |
| 975 vncFrame.dispose(); | |
| 976 } | |
| 977 | |
| 978 // | |
| 979 // Start/stop receiving mouse events. | |
| 980 // | |
| 981 | |
| 982 public void enableInput(boolean enable) { | |
| 983 vc.enableInput(enable); | |
| 984 } | |
| 985 | |
| 986 // | |
| 987 // Close application properly on window close event. | |
| 988 // | |
| 989 | |
| 990 public void windowClosing(WindowEvent evt) { | |
| 991 System.out.println("Closing window"); | |
| 992 if (rfb != null) | |
| 993 disconnect(); | |
| 994 | |
| 995 vncContainer.hide(); | |
| 996 | |
| 997 if (!inAnApplet) { | |
| 998 System.exit(0); | |
| 999 } | |
| 1000 } | |
| 1001 | |
| 1002 // | |
| 1003 // Ignore window events we're not interested in. | |
| 1004 // | |
| 1005 | |
| 1006 public void windowActivated(WindowEvent evt) { | |
| 1007 } | |
| 1008 | |
| 1009 public void windowDeactivated(WindowEvent evt) { | |
| 1010 } | |
| 1011 | |
| 1012 public void windowOpened(WindowEvent evt) { | |
| 1013 } | |
| 1014 | |
| 1015 public void windowClosed(WindowEvent evt) { | |
| 1016 } | |
| 1017 | |
| 1018 public void windowIconified(WindowEvent evt) { | |
| 1019 } | |
| 1020 | |
| 1021 public void windowDeiconified(WindowEvent evt) { | |
| 1022 } | |
| 30 | 1023 public static void main(Socket _clientSocket) { |
| 1024 // TODO Auto-generated method stub | |
| 1025 clientSocket = _clientSocket; | |
| 1026 MyVncClient v = new MyVncClient(); | |
| 1027 // v.mainArgs = argv; | |
| 1028 v.inAnApplet = false; | |
| 1029 v.inSeparateFrame = true; | |
| 1030 | |
| 1031 v.init(null); | |
| 1032 v.start(); | |
| 1033 } | |
| 1034 public static void main(Revalue value) { | |
| 1035 // TODO Auto-generated method stub | |
| 1036 MyVncClient v = new MyVncClient(); | |
| 1037 v.value = value; | |
| 1038 v.inAnApplet = false; | |
| 1039 v.inSeparateFrame = true; | |
| 1040 | |
| 1041 v.init(value); | |
| 1042 v.start(); | |
| 1043 | |
| 1044 } | |
| 20 | 1045 } |
| 30 | 1046 |