Mercurial > hg > Members > nobuyasu > tightVNCClient
annotate src/myVncClient/VncViewer.java @ 60:18a19d8a09f4
add some files. for to use Client with CUI.
| author | e085711 |
|---|---|
| date | Fri, 05 Aug 2011 01:05:38 +0900 |
| parents | c9ef47d9aa55 |
| children | 83acdeca0539 |
| rev | line source |
|---|---|
| 17 | 1 package myVncClient; |
| 0 | 2 |
| 4 | 3 import java.awt.*; |
| 4 import java.awt.event.*; | |
| 5 import java.io.*; | |
| 6 import java.net.*; | |
| 0 | 7 |
| 60 | 8 public class VncViewer extends java.applet.Applet implements |
| 4 | 9 java.lang.Runnable, WindowListener { |
| 0 | 10 |
| 4 | 11 boolean inAnApplet = true; |
| 12 boolean inSeparateFrame = false; | |
|
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change echoClient.java EchoClient.java
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parents:
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changeset
|
13 protected String[] mainArgs; |
| 0 | 14 |
| 4 | 15 // |
| 16 // main() is called when run as a java program from the command line. | |
| 17 // It simply runs the applet inside a newly-created frame. | |
| 18 // | |
| 0 | 19 |
| 4 | 20 public static void main(String[] argv) { |
| 21 VncViewer v = new VncViewer(); | |
| 22 v.mainArgs = argv; | |
| 23 v.inAnApplet = false; | |
| 24 v.inSeparateFrame = true; | |
| 18 | 25 |
| 4 | 26 v.init(); |
| 27 v.start(); | |
| 28 } | |
| 0 | 29 |
|
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change echoClient.java EchoClient.java
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
|
30 String[] echoClient; |
| 4 | 31 |
| 15 | 32 MyRfbProto rfb; |
| 4 | 33 Thread rfbThread; |
| 26 | 34 Thread accThread; |
|
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change echoClient.java EchoClient.java
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
|
35 EchoClient echo; |
| 0 | 36 |
| 4 | 37 Frame vncFrame; |
| 38 Container vncContainer; | |
| 39 ScrollPane desktopScrollPane; | |
| 40 GridBagLayout gridbag; | |
| 41 ButtonPanel buttonPanel; | |
| 42 Label connStatusLabel; | |
| 43 VncCanvas vc; | |
| 44 OptionsFrame options; | |
| 45 ClipboardFrame clipboard; | |
| 46 RecordingFrame rec; | |
| 0 | 47 |
| 4 | 48 // Control session recording. |
| 49 Object recordingSync; | |
| 50 String sessionFileName; | |
| 51 boolean recordingActive; | |
| 52 boolean recordingStatusChanged; | |
| 53 String cursorUpdatesDef; | |
| 54 String eightBitColorsDef; | |
| 0 | 55 |
| 4 | 56 // Variables read from parameter values. |
| 57 String socketFactory; | |
| 58 String host; | |
| 59 int port; | |
| 60 String passwordParam; | |
| 61 boolean showControls; | |
| 62 boolean offerRelogin; | |
| 63 boolean showOfflineDesktop; | |
| 64 int deferScreenUpdates; | |
| 65 int deferCursorUpdates; | |
| 66 int deferUpdateRequests; | |
| 67 int debugStatsExcludeUpdates; | |
| 68 int debugStatsMeasureUpdates; | |
| 0 | 69 |
| 4 | 70 // Reference to this applet for inter-applet communication. |
| 71 public static java.applet.Applet refApplet; | |
| 0 | 72 |
| 4 | 73 // |
| 74 // init() | |
| 75 // | |
| 0 | 76 |
| 4 | 77 public void init() { |
| 0 | 78 |
| 4 | 79 readParameters(); |
| 0 | 80 |
| 4 | 81 refApplet = this; |
| 0 | 82 |
| 4 | 83 if (inSeparateFrame) { |
| 84 vncFrame = new Frame("TightVNC"); | |
| 85 if (!inAnApplet) { | |
| 86 vncFrame.add("Center", this); | |
| 87 } | |
| 88 vncContainer = vncFrame; | |
| 89 } else { | |
| 90 vncContainer = this; | |
| 91 } | |
| 0 | 92 |
| 4 | 93 recordingSync = new Object(); |
| 0 | 94 |
| 4 | 95 options = new OptionsFrame(this); |
| 96 clipboard = new ClipboardFrame(this); | |
| 97 if (RecordingFrame.checkSecurity()) | |
| 98 rec = new RecordingFrame(this); | |
| 0 | 99 |
| 4 | 100 sessionFileName = null; |
| 101 recordingActive = false; | |
| 102 recordingStatusChanged = false; | |
| 103 cursorUpdatesDef = null; | |
| 104 eightBitColorsDef = null; | |
| 0 | 105 |
| 4 | 106 if (inSeparateFrame) |
| 107 vncFrame.addWindowListener(this); | |
| 0 | 108 |
| 4 | 109 rfbThread = new Thread(this); |
| 110 rfbThread.start(); | |
| 54 | 111 accThread = new Thread(new AcceptThread(rfb)); |
| 26 | 112 accThread.start(); |
| 113 | |
| 114 | |
| 4 | 115 } |
| 0 | 116 |
| 4 | 117 public void update(Graphics g) { |
| 118 } | |
| 0 | 119 |
| 4 | 120 // |
| 121 // run() - executed by the rfbThread to deal with the RFB socket. | |
| 122 // | |
| 123 | |
| 124 public void run() { | |
| 0 | 125 |
| 4 | 126 gridbag = new GridBagLayout(); |
| 127 vncContainer.setLayout(gridbag); | |
| 0 | 128 |
| 4 | 129 GridBagConstraints gbc = new GridBagConstraints(); |
| 130 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 131 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 0 | 132 |
| 4 | 133 if (showControls) { |
| 134 buttonPanel = new ButtonPanel(this); | |
| 135 gridbag.setConstraints(buttonPanel, gbc); | |
| 136 vncContainer.add(buttonPanel); | |
| 137 } | |
| 138 | |
| 10 | 139 /*****************************************************************************/ |
| 18 | 140 if(inSeparateFrame) { |
| 141 vncFrame.pack(); | |
| 142 vncFrame.setVisible(true); | |
| 143 } else { | |
| 144 validate(); | |
| 145 } | |
| 4 | 146 try { |
| 16 | 147 |
| 6 | 148 rfb = new MyRfbProto(host, port, this); |
| 10 | 149 rfb.readServerInit(); |
| 60 | 150 // rfb.readPngData(); |
| 10 | 151 |
| 4 | 152 createCanvas(0, 0); |
| 19 | 153 vc.drawFirstImage(); |
| 4 | 154 } catch (IOException e) { |
| 155 System.out.println("Socket error"); | |
| 156 System.exit(0); | |
| 157 } | |
| 158 | |
| 159 gbc.weightx = 1.0; | |
| 160 gbc.weighty = 1.0; | |
| 161 | |
| 10 | 162 if (inSeparateFrame) { |
| 0 | 163 |
| 4 | 164 // Create a panel which itself is resizeable and can hold |
| 165 // non-resizeable VncCanvas component at the top left corner. | |
| 166 Panel canvasPanel = new Panel(); | |
| 167 canvasPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0)); | |
| 168 canvasPanel.add(vc); | |
| 0 | 169 |
| 4 | 170 // Create a ScrollPane which will hold a panel with VncCanvas |
| 171 // inside. | |
| 172 desktopScrollPane = new ScrollPane(ScrollPane.SCROLLBARS_AS_NEEDED); | |
| 173 gbc.fill = GridBagConstraints.BOTH; | |
| 174 gridbag.setConstraints(desktopScrollPane, gbc); | |
| 175 desktopScrollPane.add(canvasPanel); | |
| 0 | 176 |
| 4 | 177 // Finally, add our ScrollPane to the Frame window. |
| 178 vncFrame.add(desktopScrollPane); | |
| 179 vncFrame.setTitle(rfb.desktopName); | |
| 180 vncFrame.pack(); | |
| 181 vc.resizeDesktopFrame(); | |
| 0 | 182 |
| 4 | 183 } else { |
| 0 | 184 |
| 4 | 185 // Just add the VncCanvas component to the Applet. |
| 186 gridbag.setConstraints(vc, gbc); | |
| 187 add(vc); | |
| 188 validate(); | |
| 0 | 189 |
| 4 | 190 } |
| 10 | 191 /*****************************************************************************/ |
| 0 | 192 |
| 10 | 193 |
| 4 | 194 try { |
| 0 | 195 |
| 4 | 196 if (showControls) |
| 197 buttonPanel.enableButtons(); | |
| 0 | 198 |
| 4 | 199 moveFocusToDesktop(); |
| 200 processNormalProtocol();// main loop | |
| 0 | 201 |
| 4 | 202 } catch (NoRouteToHostException e) { |
| 203 fatalError("Network error: no route to server: " + host, e); | |
| 204 } catch (UnknownHostException e) { | |
| 205 fatalError("Network error: server name unknown: " + host, e); | |
| 206 } catch (ConnectException e) { | |
| 207 fatalError("Network error: could not connect to server: " + host | |
| 208 + ":" + port, e); | |
| 209 } catch (EOFException e) { | |
|
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750ecaa1e1b9
add echoClient.java and waitreply.java. modify MyRfbProto.java
e085711
parents:
26
diff
changeset
|
210 |
|
750ecaa1e1b9
add echoClient.java and waitreply.java. modify MyRfbProto.java
e085711
parents:
26
diff
changeset
|
211 |
| 4 | 212 if (showOfflineDesktop) { |
| 213 e.printStackTrace(); | |
| 214 System.out | |
| 215 .println("Network error: remote side closed connection"); | |
| 216 if (vc != null) { | |
| 217 vc.enableInput(false); | |
| 218 } | |
| 219 if (inSeparateFrame) { | |
| 220 vncFrame.setTitle(rfb.desktopName + " [disconnected]"); | |
| 221 } | |
| 222 if (rfb != null && !rfb.closed()) | |
| 223 rfb.close(); | |
| 224 if (showControls && buttonPanel != null) { | |
| 225 buttonPanel.disableButtonsOnDisconnect(); | |
| 226 if (inSeparateFrame) { | |
| 227 vncFrame.pack(); | |
| 228 } else { | |
| 229 validate(); | |
| 230 } | |
| 231 } | |
| 232 } else { | |
| 233 fatalError("Network error: remote side closed connection", e); | |
| 234 } | |
| 235 } catch (IOException e) { | |
| 236 String str = e.getMessage(); | |
| 237 if (str != null && str.length() != 0) { | |
| 238 fatalError("Network Error: " + str, e); | |
| 239 } else { | |
| 240 fatalError(e.toString(), e); | |
| 241 } | |
| 242 } catch (Exception e) { | |
| 243 String str = e.getMessage(); | |
| 244 if (str != null && str.length() != 0) { | |
| 245 fatalError("Error: " + str, e); | |
| 246 } else { | |
| 247 fatalError(e.toString(), e); | |
| 248 } | |
| 249 } | |
| 250 | |
| 0 | 251 } |
| 252 | |
| 4 | 253 // |
| 254 // Create a VncCanvas instance. | |
| 255 // | |
| 0 | 256 |
| 4 | 257 void createCanvas(int maxWidth, int maxHeight) throws IOException { |
| 258 // Determine if Java 2D API is available and use a special | |
| 259 // version of VncCanvas if it is present. | |
| 260 vc = null; | |
| 261 try { | |
| 262 // This throws ClassNotFoundException if there is no Java 2D API. | |
| 263 Class cl = Class.forName("java.awt.Graphics2D"); | |
| 264 // If we could load Graphics2D class, then we can use VncCanvas2D. | |
| 265 cl = Class.forName("VncCanvas2"); | |
| 266 Class[] argClasses = { this.getClass(), Integer.TYPE, Integer.TYPE }; | |
| 267 java.lang.reflect.Constructor cstr = cl.getConstructor(argClasses); | |
| 268 Object[] argObjects = { this, new Integer(maxWidth), | |
| 269 new Integer(maxHeight) }; | |
| 270 vc = (VncCanvas) cstr.newInstance(argObjects); | |
| 271 } catch (Exception e) { | |
| 272 System.out.println("Warning: Java 2D API is not available"); | |
| 273 } | |
| 0 | 274 |
| 4 | 275 // If we failed to create VncCanvas2D, use old VncCanvas. |
| 276 if (vc == null) | |
| 277 vc = new VncCanvas(this, maxWidth, maxHeight); | |
| 278 } | |
| 0 | 279 |
| 4 | 280 // |
| 281 // Process RFB socket messages. | |
| 282 // If the rfbThread is being stopped, ignore any exceptions, | |
| 283 // otherwise rethrow the exception so it can be handled. | |
| 284 // | |
| 0 | 285 |
| 4 | 286 void processNormalProtocol() throws Exception { |
| 287 try { | |
| 288 vc.processNormalProtocol();// main loop | |
| 289 } catch (Exception e) { | |
| 290 if (rfbThread == null) { | |
| 291 System.out.println("Ignoring RFB socket exceptions" | |
| 292 + " because applet is stopping"); | |
| 293 } else { | |
| 294 throw e; | |
| 295 } | |
| 296 } | |
| 297 } | |
| 0 | 298 |
| 4 | 299 // |
| 300 // Connect to the RFB server and authenticate the user. | |
| 301 // | |
| 0 | 302 |
| 4 | 303 void connectAndAuthenticate() throws Exception { |
| 304 showConnectionStatus("Initializing..."); | |
| 305 if (inSeparateFrame) { | |
| 306 vncFrame.pack(); | |
| 15 | 307 vncFrame.setVisible(true); |
| 4 | 308 } else { |
| 309 validate(); | |
| 310 } | |
| 311 | |
| 312 showConnectionStatus("Connecting to " + host + ", port " + port + "..."); | |
| 0 | 313 |
| 15 | 314 rfb = new MyRfbProto(host, port, this); |
| 4 | 315 showConnectionStatus("Connected to server"); |
| 0 | 316 |
| 4 | 317 rfb.readVersionMsg(); |
| 318 showConnectionStatus("RFB server supports protocol version " | |
| 319 + rfb.serverMajor + "." + rfb.serverMinor); | |
| 0 | 320 |
| 4 | 321 rfb.writeVersionMsg(); |
| 322 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor | |
| 323 + "." + rfb.clientMinor); | |
| 0 | 324 |
| 4 | 325 int secType = rfb.negotiateSecurity(); |
| 326 int authType; | |
| 327 if (secType == RfbProto.SecTypeTight) { | |
| 328 showConnectionStatus("Enabling TightVNC protocol extensions"); | |
| 329 rfb.setupTunneling(); | |
| 330 authType = rfb.negotiateAuthenticationTight(); | |
| 331 } else { | |
| 332 authType = secType; | |
| 333 } | |
| 0 | 334 |
| 4 | 335 switch (authType) { |
| 336 case RfbProto.AuthNone: | |
| 337 showConnectionStatus("No authentication needed"); | |
| 338 rfb.authenticateNone(); | |
| 339 break; | |
| 340 case RfbProto.AuthVNC: | |
| 341 showConnectionStatus("Performing standard VNC authentication"); | |
| 342 if (passwordParam != null) { | |
| 343 rfb.authenticateVNC(passwordParam); | |
| 344 } else { | |
| 345 String pw = askPassword(); | |
| 346 rfb.authenticateVNC(pw); | |
| 347 } | |
| 348 break; | |
| 349 default: | |
| 350 throw new Exception("Unknown authentication scheme " + authType); | |
| 351 } | |
| 352 } | |
| 0 | 353 |
| 4 | 354 // |
| 355 // Show a message describing the connection status. | |
| 356 // To hide the connection status label, use (msg == null). | |
| 357 // | |
| 0 | 358 |
| 4 | 359 void showConnectionStatus(String msg) { |
| 360 if (msg == null) { | |
| 361 if (vncContainer.isAncestorOf(connStatusLabel)) { | |
| 362 vncContainer.remove(connStatusLabel); | |
| 363 } | |
| 364 return; | |
| 365 } | |
| 0 | 366 |
| 4 | 367 System.out.println(msg); |
| 0 | 368 |
| 4 | 369 if (connStatusLabel == null) { |
| 370 connStatusLabel = new Label("Status: " + msg); | |
| 371 connStatusLabel.setFont(new Font("Helvetica", Font.PLAIN, 12)); | |
| 372 } else { | |
| 373 connStatusLabel.setText("Status: " + msg); | |
| 374 } | |
| 0 | 375 |
| 4 | 376 if (!vncContainer.isAncestorOf(connStatusLabel)) { |
| 377 GridBagConstraints gbc = new GridBagConstraints(); | |
| 378 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 379 gbc.fill = GridBagConstraints.HORIZONTAL; | |
| 380 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 381 gbc.weightx = 1.0; | |
| 382 gbc.weighty = 1.0; | |
| 383 gbc.insets = new Insets(20, 30, 20, 30); | |
| 384 gridbag.setConstraints(connStatusLabel, gbc); | |
| 385 vncContainer.add(connStatusLabel); | |
| 386 } | |
| 0 | 387 |
| 4 | 388 if (inSeparateFrame) { |
| 389 vncFrame.pack(); | |
| 390 } else { | |
| 391 validate(); | |
| 392 } | |
| 393 } | |
| 0 | 394 |
| 4 | 395 // |
| 396 // Show an authentication panel. | |
| 397 // | |
| 0 | 398 |
| 4 | 399 String askPassword() throws Exception { |
| 400 showConnectionStatus(null); | |
| 401 | |
| 402 AuthPanel authPanel = new AuthPanel(this); | |
| 0 | 403 |
| 4 | 404 GridBagConstraints gbc = new GridBagConstraints(); |
| 405 gbc.gridwidth = GridBagConstraints.REMAINDER; | |
| 406 gbc.anchor = GridBagConstraints.NORTHWEST; | |
| 407 gbc.weightx = 1.0; | |
| 408 gbc.weighty = 1.0; | |
| 409 gbc.ipadx = 100; | |
| 410 gbc.ipady = 50; | |
| 411 gridbag.setConstraints(authPanel, gbc); | |
| 412 vncContainer.add(authPanel); | |
| 0 | 413 |
| 4 | 414 if (inSeparateFrame) { |
| 415 vncFrame.pack(); | |
| 416 } else { | |
| 417 validate(); | |
| 418 } | |
| 0 | 419 |
| 4 | 420 authPanel.moveFocusToDefaultField(); |
| 421 String pw = authPanel.getPassword(); | |
| 422 vncContainer.remove(authPanel); | |
| 0 | 423 |
| 4 | 424 return pw; |
| 425 } | |
| 0 | 426 |
| 4 | 427 // |
| 428 // Do the rest of the protocol initialisation. | |
| 429 // | |
| 0 | 430 |
| 4 | 431 void doProtocolInitialisation() throws IOException { |
| 432 rfb.writeClientInit(); | |
| 433 rfb.readServerInit(); | |
| 0 | 434 |
| 4 | 435 System.out.println("Desktop name is " + rfb.desktopName); |
| 436 System.out.println("Desktop size is " + rfb.framebufferWidth + " x " | |
| 437 + rfb.framebufferHeight); | |
| 438 | |
| 439 setEncodings(); | |
| 0 | 440 |
| 4 | 441 showConnectionStatus(null); |
| 442 } | |
| 0 | 443 |
| 4 | 444 // |
| 445 // Send current encoding list to the RFB server. | |
| 446 // | |
| 0 | 447 |
| 4 | 448 int[] encodingsSaved; |
| 449 int nEncodingsSaved; | |
| 0 | 450 |
| 4 | 451 void setEncodings() { |
| 452 setEncodings(false); | |
| 453 } | |
| 0 | 454 |
| 4 | 455 void autoSelectEncodings() { |
| 456 setEncodings(true); | |
| 457 } | |
| 0 | 458 |
| 4 | 459 void setEncodings(boolean autoSelectOnly) { |
| 460 if (options == null || rfb == null || !rfb.inNormalProtocol) | |
| 461 return; | |
| 0 | 462 |
| 4 | 463 int preferredEncoding = options.preferredEncoding; |
| 464 if (preferredEncoding == -1) { | |
| 465 long kbitsPerSecond = rfb.kbitsPerSecond(); | |
| 466 if (nEncodingsSaved < 1) { | |
| 467 // Choose Tight or ZRLE encoding for the very first update. | |
| 468 System.out.println("Using Tight/ZRLE encodings"); | |
| 469 preferredEncoding = RfbProto.EncodingTight; | |
| 470 } else if (kbitsPerSecond > 2000 | |
| 471 && encodingsSaved[0] != RfbProto.EncodingHextile) { | |
| 472 // Switch to Hextile if the connection speed is above 2Mbps. | |
| 473 System.out.println("Throughput " + kbitsPerSecond | |
| 474 + " kbit/s - changing to Hextile encoding"); | |
| 475 preferredEncoding = RfbProto.EncodingHextile; | |
| 476 } else if (kbitsPerSecond < 1000 | |
| 477 && encodingsSaved[0] != RfbProto.EncodingTight) { | |
| 478 // Switch to Tight/ZRLE if the connection speed is below 1Mbps. | |
| 479 System.out.println("Throughput " + kbitsPerSecond | |
| 480 + " kbit/s - changing to Tight/ZRLE encodings"); | |
| 481 preferredEncoding = RfbProto.EncodingTight; | |
| 482 } else { | |
| 483 // Don't change the encoder. | |
| 484 if (autoSelectOnly) | |
| 485 return; | |
| 486 preferredEncoding = encodingsSaved[0]; | |
| 487 } | |
| 488 } else { | |
| 489 // Auto encoder selection is not enabled. | |
| 490 if (autoSelectOnly) | |
| 491 return; | |
| 492 } | |
| 0 | 493 |
| 4 | 494 int[] encodings = new int[20]; |
| 495 int nEncodings = 0; | |
| 0 | 496 |
| 4 | 497 encodings[nEncodings++] = preferredEncoding; |
| 498 if (options.useCopyRect) { | |
| 499 encodings[nEncodings++] = RfbProto.EncodingCopyRect; | |
| 500 } | |
| 0 | 501 |
| 4 | 502 if (preferredEncoding != RfbProto.EncodingTight) { |
| 503 encodings[nEncodings++] = RfbProto.EncodingTight; | |
| 504 } | |
| 505 if (preferredEncoding != RfbProto.EncodingZRLE) { | |
| 506 encodings[nEncodings++] = RfbProto.EncodingZRLE; | |
| 507 } | |
| 508 if (preferredEncoding != RfbProto.EncodingHextile) { | |
| 509 encodings[nEncodings++] = RfbProto.EncodingHextile; | |
| 510 } | |
| 511 if (preferredEncoding != RfbProto.EncodingZlib) { | |
| 512 encodings[nEncodings++] = RfbProto.EncodingZlib; | |
| 513 } | |
| 514 if (preferredEncoding != RfbProto.EncodingCoRRE) { | |
| 515 encodings[nEncodings++] = RfbProto.EncodingCoRRE; | |
| 516 } | |
| 517 if (preferredEncoding != RfbProto.EncodingRRE) { | |
| 518 encodings[nEncodings++] = RfbProto.EncodingRRE; | |
| 519 } | |
| 520 | |
| 521 if (options.compressLevel >= 0 && options.compressLevel <= 9) { | |
| 522 encodings[nEncodings++] = RfbProto.EncodingCompressLevel0 | |
| 523 + options.compressLevel; | |
| 524 } | |
| 525 if (options.jpegQuality >= 0 && options.jpegQuality <= 9) { | |
| 526 encodings[nEncodings++] = RfbProto.EncodingQualityLevel0 | |
| 527 + options.jpegQuality; | |
| 528 } | |
| 0 | 529 |
| 4 | 530 if (options.requestCursorUpdates) { |
| 531 encodings[nEncodings++] = RfbProto.EncodingXCursor; | |
| 532 encodings[nEncodings++] = RfbProto.EncodingRichCursor; | |
| 533 if (!options.ignoreCursorUpdates) | |
| 534 encodings[nEncodings++] = RfbProto.EncodingPointerPos; | |
| 535 } | |
| 536 | |
| 537 encodings[nEncodings++] = RfbProto.EncodingLastRect; | |
| 538 encodings[nEncodings++] = RfbProto.EncodingNewFBSize; | |
| 0 | 539 |
| 4 | 540 boolean encodingsWereChanged = false; |
| 541 if (nEncodings != nEncodingsSaved) { | |
| 542 encodingsWereChanged = true; | |
| 543 } else { | |
| 544 for (int i = 0; i < nEncodings; i++) { | |
| 545 if (encodings[i] != encodingsSaved[i]) { | |
| 546 encodingsWereChanged = true; | |
| 547 break; | |
| 548 } | |
| 549 } | |
| 550 } | |
| 0 | 551 |
| 4 | 552 if (encodingsWereChanged) { |
| 553 try { | |
| 554 rfb.writeSetEncodings(encodings, nEncodings); | |
| 555 if (vc != null) { | |
| 556 vc.softCursorFree(); | |
| 557 } | |
| 558 } catch (Exception e) { | |
| 559 e.printStackTrace(); | |
| 560 } | |
| 561 encodingsSaved = encodings; | |
| 562 nEncodingsSaved = nEncodings; | |
| 563 } | |
| 564 } | |
| 0 | 565 |
| 4 | 566 // |
| 567 // setCutText() - send the given cut text to the RFB server. | |
| 568 // | |
| 0 | 569 |
| 4 | 570 void setCutText(String text) { |
| 571 try { | |
| 572 if (rfb != null && rfb.inNormalProtocol) { | |
| 573 rfb.writeClientCutText(text); | |
| 574 } | |
| 575 } catch (Exception e) { | |
| 576 e.printStackTrace(); | |
| 577 } | |
| 578 } | |
| 0 | 579 |
| 4 | 580 // |
| 581 // Order change in session recording status. To stop recording, pass | |
| 582 // null in place of the fname argument. | |
| 583 // | |
| 0 | 584 |
| 4 | 585 void setRecordingStatus(String fname) { |
| 586 synchronized (recordingSync) { | |
| 587 sessionFileName = fname; | |
| 588 recordingStatusChanged = true; | |
| 589 } | |
| 590 } | |
| 591 | |
| 592 // | |
| 593 // Start or stop session recording. Returns true if this method call | |
| 594 // causes recording of a new session. | |
| 595 // | |
| 0 | 596 |
| 4 | 597 boolean checkRecordingStatus() throws IOException { |
| 598 synchronized (recordingSync) { | |
| 599 if (recordingStatusChanged) { | |
| 600 recordingStatusChanged = false; | |
| 601 if (sessionFileName != null) { | |
| 602 startRecording(); | |
| 603 return true; | |
| 604 } else { | |
| 605 stopRecording(); | |
| 606 } | |
| 607 } | |
| 608 } | |
| 609 return false; | |
| 610 } | |
| 0 | 611 |
| 4 | 612 // |
| 613 // Start session recording. | |
| 614 // | |
| 0 | 615 |
| 4 | 616 protected void startRecording() throws IOException { |
| 617 synchronized (recordingSync) { | |
| 618 if (!recordingActive) { | |
| 619 // Save settings to restore them after recording the session. | |
| 620 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex] | |
| 621 .getSelectedItem(); | |
| 622 eightBitColorsDef = options.choices[options.eightBitColorsIndex] | |
| 623 .getSelectedItem(); | |
| 624 // Set options to values suitable for recording. | |
| 625 options.choices[options.cursorUpdatesIndex].select("Disable"); | |
| 626 options.choices[options.cursorUpdatesIndex].setEnabled(false); | |
| 627 options.setEncodings(); | |
| 628 options.choices[options.eightBitColorsIndex].select("No"); | |
| 629 options.choices[options.eightBitColorsIndex].setEnabled(false); | |
| 630 options.setColorFormat(); | |
| 631 } else { | |
| 632 rfb.closeSession(); | |
| 633 } | |
| 634 | |
| 635 System.out.println("Recording the session in " + sessionFileName); | |
| 636 rfb.startSession(sessionFileName); | |
| 637 recordingActive = true; | |
| 638 } | |
| 639 } | |
| 0 | 640 |
| 4 | 641 // |
| 642 // Stop session recording. | |
| 643 // | |
| 0 | 644 |
| 4 | 645 protected void stopRecording() throws IOException { |
| 646 synchronized (recordingSync) { | |
| 647 if (recordingActive) { | |
| 648 // Restore options. | |
| 649 options.choices[options.cursorUpdatesIndex] | |
| 650 .select(cursorUpdatesDef); | |
| 651 options.choices[options.cursorUpdatesIndex].setEnabled(true); | |
| 652 options.setEncodings(); | |
| 653 options.choices[options.eightBitColorsIndex] | |
| 654 .select(eightBitColorsDef); | |
| 655 options.choices[options.eightBitColorsIndex].setEnabled(true); | |
| 656 options.setColorFormat(); | |
| 657 | |
| 658 rfb.closeSession(); | |
| 659 System.out.println("Session recording stopped."); | |
| 660 } | |
| 661 sessionFileName = null; | |
| 662 recordingActive = false; | |
| 663 } | |
| 664 } | |
| 0 | 665 |
| 4 | 666 // |
| 667 // readParameters() - read parameters from the html source or from the | |
| 668 // command line. On the command line, the arguments are just a sequence of | |
| 669 // param_name/param_value pairs where the names and values correspond to | |
| 670 // those expected in the html applet tag source. | |
| 671 // | |
| 0 | 672 |
| 4 | 673 void readParameters() { |
| 18 | 674 host = readParameter("HOST", !inAnApplet); |
| 0 | 675 |
| 22 | 676 |
| 26 | 677 if (host == null) { host = getCodeBase().getHost(); |
| 678 if (host.equals("")) { | |
| 60 | 679 fatalError("HOST parameter not specified"); |
| 26 | 680 } |
| 681 } | |
| 22 | 682 |
| 18 | 683 port = readIntParameter("PORT", 5550); |
| 22 | 684 |
| 18 | 685 |
| 4 | 686 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified. |
| 687 readPasswordParameters(); | |
| 688 | |
| 689 String str; | |
| 22 | 690 |
| 4 | 691 if (inAnApplet) { |
| 692 str = readParameter("Open New Window", false); | |
| 693 if (str != null && str.equalsIgnoreCase("Yes")) | |
| 694 inSeparateFrame = true; | |
| 695 } | |
| 0 | 696 |
| 22 | 697 |
| 4 | 698 // "Show Controls" set to "No" disables button panel. |
| 699 showControls = true; | |
| 700 str = readParameter("Show Controls", false); | |
| 701 if (str != null && str.equalsIgnoreCase("No")) | |
| 702 showControls = false; | |
| 0 | 703 |
| 4 | 704 // "Offer Relogin" set to "No" disables "Login again" and "Close |
| 705 // window" buttons under error messages in applet mode. | |
| 706 offerRelogin = true; | |
| 707 str = readParameter("Offer Relogin", false); | |
| 708 if (str != null && str.equalsIgnoreCase("No")) | |
| 709 offerRelogin = false; | |
| 710 | |
| 711 // Do we continue showing desktop on remote disconnect? | |
| 712 showOfflineDesktop = false; | |
| 713 str = readParameter("Show Offline Desktop", false); | |
| 714 if (str != null && str.equalsIgnoreCase("Yes")) | |
| 715 showOfflineDesktop = true; | |
| 0 | 716 |
| 4 | 717 // Fine tuning options. |
| 718 deferScreenUpdates = readIntParameter("Defer screen updates", 20); | |
| 719 deferCursorUpdates = readIntParameter("Defer cursor updates", 10); | |
| 720 deferUpdateRequests = readIntParameter("Defer update requests", 0); | |
| 0 | 721 |
| 4 | 722 // Debugging options. |
| 723 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0); | |
| 724 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0); | |
| 0 | 725 |
| 4 | 726 // SocketFactory. |
| 727 socketFactory = readParameter("SocketFactory", false); | |
| 728 } | |
| 0 | 729 |
| 4 | 730 // |
| 731 // Read password parameters. If an "ENCPASSWORD" parameter is set, | |
| 732 // then decrypt the password into the passwordParam string. Otherwise, | |
| 733 // try to read the "PASSWORD" parameter directly to passwordParam. | |
| 734 // | |
| 0 | 735 |
| 4 | 736 private void readPasswordParameters() { |
| 737 String encPasswordParam = readParameter("ENCPASSWORD", false); | |
| 738 if (encPasswordParam == null) { | |
| 739 passwordParam = readParameter("PASSWORD", false); | |
| 0 | 740 |
| 4 | 741 } else { |
| 742 // ENCPASSWORD is hexascii-encoded. Decode. | |
| 743 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 }; | |
| 744 int len = encPasswordParam.length() / 2; | |
| 745 if (len > 8) | |
| 746 len = 8; | |
| 747 for (int i = 0; i < len; i++) { | |
| 748 String hex = encPasswordParam.substring(i * 2, i * 2 + 2); | |
| 749 Integer x = new Integer(Integer.parseInt(hex, 16)); | |
| 750 pw[i] = x.byteValue(); | |
| 751 } | |
| 752 // Decrypt the password. | |
| 753 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 }; | |
| 754 DesCipher des = new DesCipher(key); | |
| 755 des.decrypt(pw, 0, pw, 0); | |
| 756 passwordParam = new String(pw); | |
| 757 | |
| 758 } | |
| 759 } | |
| 0 | 760 |
| 4 | 761 public String readParameter(String name, boolean required) { |
| 762 if (inAnApplet) { | |
| 763 String s = getParameter(name); | |
| 764 if ((s == null) && required) { | |
| 765 fatalError(name + " parameter not specified"); | |
| 766 } | |
| 767 return s; | |
| 768 } | |
| 0 | 769 |
| 4 | 770 for (int i = 0; i < mainArgs.length; i += 2) { |
| 771 if (mainArgs[i].equalsIgnoreCase(name)) { | |
| 772 try { | |
| 773 return mainArgs[i + 1]; | |
| 774 } catch (Exception e) { | |
| 775 if (required) { | |
| 776 fatalError(name + " parameter not specified"); | |
| 777 } | |
| 778 return null; | |
| 779 } | |
| 780 } | |
| 781 } | |
| 782 if (required) { | |
| 783 fatalError(name + " parameter not specified"); | |
| 784 } | |
| 785 return null; | |
| 0 | 786 } |
| 4 | 787 |
| 788 int readIntParameter(String name, int defaultValue) { | |
| 789 String str = readParameter(name, false); | |
| 790 int result = defaultValue; | |
| 791 if (str != null) { | |
| 792 try { | |
| 793 result = Integer.parseInt(str); | |
| 794 } catch (NumberFormatException e) { | |
| 795 } | |
| 796 } | |
| 797 return result; | |
| 798 } | |
| 0 | 799 |
| 4 | 800 // |
| 801 // moveFocusToDesktop() - move keyboard focus either to VncCanvas. | |
| 802 // | |
| 0 | 803 |
| 4 | 804 void moveFocusToDesktop() { |
| 805 if (vncContainer != null) { | |
| 806 if (vc != null && vncContainer.isAncestorOf(vc)) | |
| 807 vc.requestFocus(); | |
| 808 } | |
| 809 } | |
| 0 | 810 |
| 4 | 811 // |
| 812 // disconnect() - close connection to server. | |
| 813 // | |
| 0 | 814 |
| 4 | 815 synchronized public void disconnect() { |
| 816 System.out.println("Disconnecting"); | |
| 0 | 817 |
| 4 | 818 if (vc != null) { |
| 819 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0; | |
| 820 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0; | |
| 821 int nRealRects = vc.statNumPixelRects; | |
| 822 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects; | |
| 823 System.out.println("Updates received: " + vc.statNumUpdates + " (" | |
| 824 + nRealRects + " rectangles + " + nPseudoRects | |
| 825 + " pseudo), " + rate + " updates/sec"); | |
| 826 int numRectsOther = nRealRects - vc.statNumRectsTight | |
| 827 - vc.statNumRectsZRLE - vc.statNumRectsHextile | |
| 828 - vc.statNumRectsRaw - vc.statNumRectsCopy; | |
| 829 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight | |
| 830 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE=" | |
| 831 + vc.statNumRectsZRLE + " Hextile=" | |
| 832 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw | |
| 833 + " CopyRect=" + vc.statNumRectsCopy + " other=" | |
| 834 + numRectsOther); | |
| 0 | 835 |
| 4 | 836 int raw = vc.statNumBytesDecoded; |
| 837 int compressed = vc.statNumBytesEncoded; | |
| 838 if (compressed > 0) { | |
| 839 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0; | |
| 840 System.out.println("Pixel data: " + vc.statNumBytesDecoded | |
| 841 + " bytes, " + vc.statNumBytesEncoded | |
| 842 + " compressed, ratio " + ratio); | |
| 843 } | |
| 844 } | |
| 0 | 845 |
| 4 | 846 if (rfb != null && !rfb.closed()) |
| 847 rfb.close(); | |
| 848 options.dispose(); | |
| 849 clipboard.dispose(); | |
| 850 if (rec != null) | |
| 851 rec.dispose(); | |
| 0 | 852 |
| 4 | 853 if (inAnApplet) { |
| 854 showMessage("Disconnected"); | |
| 855 } else { | |
| 856 System.exit(0); | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 // | |
| 861 // fatalError() - print out a fatal error message. | |
| 862 // FIXME: Do we really need two versions of the fatalError() method? | |
| 863 // | |
| 864 | |
| 865 synchronized public void fatalError(String str) { | |
| 866 System.out.println(str); | |
| 0 | 867 |
| 4 | 868 if (inAnApplet) { |
| 869 // vncContainer null, applet not inited, | |
| 870 // can not present the error to the user. | |
| 871 Thread.currentThread().stop(); | |
| 872 } else { | |
| 873 System.exit(1); | |
| 874 } | |
| 875 } | |
| 0 | 876 |
| 4 | 877 synchronized public void fatalError(String str, Exception e) { |
| 0 | 878 |
| 4 | 879 if (rfb != null && rfb.closed()) { |
| 880 // Not necessary to show error message if the error was caused | |
| 881 // by I/O problems after the rfb.close() method call. | |
| 882 System.out.println("RFB thread finished"); | |
| 883 return; | |
| 884 } | |
| 885 | |
| 886 System.out.println(str); | |
| 887 e.printStackTrace(); | |
| 0 | 888 |
| 4 | 889 if (rfb != null) |
| 890 rfb.close(); | |
| 0 | 891 |
| 4 | 892 if (inAnApplet) { |
| 893 showMessage(str); | |
| 894 } else { | |
| 895 System.exit(1); | |
| 896 } | |
| 897 } | |
| 0 | 898 |
| 4 | 899 // |
| 900 // Show message text and optionally "Relogin" and "Close" buttons. | |
| 901 // | |
| 0 | 902 |
| 4 | 903 void showMessage(String msg) { |
| 904 vncContainer.removeAll(); | |
| 0 | 905 |
| 4 | 906 Label errLabel = new Label(msg, Label.CENTER); |
| 907 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12)); | |
| 0 | 908 |
| 4 | 909 if (offerRelogin) { |
| 0 | 910 |
| 4 | 911 Panel gridPanel = new Panel(new GridLayout(0, 1)); |
| 912 Panel outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT)); | |
| 913 outerPanel.add(gridPanel); | |
| 914 vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 16)); | |
| 915 vncContainer.add(outerPanel); | |
| 916 Panel textPanel = new Panel(new FlowLayout(FlowLayout.CENTER)); | |
| 917 textPanel.add(errLabel); | |
| 918 gridPanel.add(textPanel); | |
| 919 gridPanel.add(new ReloginPanel(this)); | |
| 920 | |
| 921 } else { | |
| 0 | 922 |
| 4 | 923 vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30)); |
| 924 vncContainer.add(errLabel); | |
| 925 | |
| 926 } | |
| 0 | 927 |
| 4 | 928 if (inSeparateFrame) { |
| 929 vncFrame.pack(); | |
| 930 } else { | |
| 931 validate(); | |
| 932 } | |
| 933 } | |
| 0 | 934 |
| 4 | 935 // |
| 936 // Stop the applet. | |
| 937 // Main applet thread will terminate on first exception | |
| 938 // after seeing that rfbThread has been set to null. | |
| 939 // | |
| 0 | 940 |
| 4 | 941 public void stop() { |
| 942 System.out.println("Stopping applet"); | |
| 943 rfbThread = null; | |
| 944 } | |
| 0 | 945 |
| 4 | 946 // |
| 947 // This method is called before the applet is destroyed. | |
| 948 // | |
| 949 | |
| 950 public void destroy() { | |
| 951 System.out.println("Destroying applet"); | |
| 0 | 952 |
| 4 | 953 vncContainer.removeAll(); |
| 954 options.dispose(); | |
| 955 clipboard.dispose(); | |
| 956 if (rec != null) | |
| 957 rec.dispose(); | |
| 958 if (rfb != null && !rfb.closed()) | |
| 959 rfb.close(); | |
| 960 if (inSeparateFrame) | |
| 961 vncFrame.dispose(); | |
| 962 } | |
| 0 | 963 |
| 4 | 964 // |
| 965 // Start/stop receiving mouse events. | |
| 966 // | |
| 967 | |
| 968 public void enableInput(boolean enable) { | |
| 969 vc.enableInput(enable); | |
| 970 } | |
| 0 | 971 |
| 4 | 972 // |
| 973 // Close application properly on window close event. | |
| 974 // | |
| 0 | 975 |
| 4 | 976 public void windowClosing(WindowEvent evt) { |
| 977 System.out.println("Closing window"); | |
| 978 if (rfb != null) | |
| 979 disconnect(); | |
| 0 | 980 |
| 4 | 981 vncContainer.hide(); |
| 982 | |
| 983 if (!inAnApplet) { | |
| 984 System.exit(0); | |
| 985 } | |
| 986 } | |
| 0 | 987 |
| 4 | 988 // |
| 989 // Ignore window events we're not interested in. | |
| 990 // | |
| 0 | 991 |
| 4 | 992 public void windowActivated(WindowEvent evt) { |
| 993 } | |
| 994 | |
| 995 public void windowDeactivated(WindowEvent evt) { | |
| 996 } | |
| 0 | 997 |
| 4 | 998 public void windowOpened(WindowEvent evt) { |
| 999 } | |
| 1000 | |
| 1001 public void windowClosed(WindowEvent evt) { | |
| 1002 } | |
| 0 | 1003 |
| 4 | 1004 public void windowIconified(WindowEvent evt) { |
| 1005 } | |
| 1006 | |
| 1007 public void windowDeiconified(WindowEvent evt) { | |
| 1008 } | |
| 0 | 1009 } |