Mercurial > hg > Applications > TreeVNC
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 560:bdd659ce8e64
fix null renderer
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 31 Jan 2020 11:41:13 +0900 |
parents | 3481a187687f |
children | 2a601e25ce10 |
rev | line source |
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57
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version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
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1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC. |
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2 // All rights reserved. |
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3 // |
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4 //------------------------------------------------------------------------- |
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5 // This file is part of the TightVNC software. Please visit our Web site: |
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6 // |
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7 // http://www.tightvnc.com/ |
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8 // |
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9 // This program is free software; you can redistribute it and/or modify |
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10 // it under the terms of the GNU General Public License as published by |
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11 // the Free Software Foundation; either version 2 of the License, or |
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12 // (at your option) any later version. |
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13 // |
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14 // This program is distributed in the hope that it will be useful, |
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15 // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 // GNU General Public License for more details. |
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18 // |
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19 // You should have received a copy of the GNU General Public License along |
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20 // with this program; if not, write to the Free Software Foundation, Inc., |
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21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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22 //------------------------------------------------------------------------- |
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23 // |
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24 |
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25 package com.glavsoft.rfb.protocol; |
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26 |
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27 import com.glavsoft.drawing.Renderer; |
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28 import com.glavsoft.exceptions.CommonException; |
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29 import com.glavsoft.exceptions.ProtocolException; |
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30 import com.glavsoft.exceptions.TransportException; |
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31 import com.glavsoft.rfb.ClipboardController; |
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32 import com.glavsoft.rfb.IRepaintController; |
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33 import com.glavsoft.rfb.client.FramebufferUpdateRequestMessage; |
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34 import com.glavsoft.rfb.client.SetPixelFormatMessage; |
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35 import com.glavsoft.rfb.encoding.EncodingType; |
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36 import com.glavsoft.rfb.encoding.PixelFormat; |
278 | 37 import com.glavsoft.rfb.encoding.decoder.*; |
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38 import com.glavsoft.transport.Reader; |
447 | 39 import com.glavsoft.viewer.ConnectionPresenter; |
40 import com.glavsoft.viewer.ViewerInterface; | |
41 import jp.ac.u_ryukyu.treevnc.CheckDelayReply; | |
42 import jp.ac.u_ryukyu.treevnc.TreeRFBProto; | |
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43 |
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44 import java.io.*; |
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45 import java.nio.ByteBuffer; |
360 | 46 import java.util.LinkedList; |
255 | 47 import java.util.Timer; |
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48 import java.util.logging.Logger; |
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49 |
35 | 50 |
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51 public class ReceiverTask implements Runnable { |
505 | 52 public static final byte FRAMEBUFFER_UPDATE = 0; |
224 | 53 private static final byte SET_COLOR_MAP_ENTRIES = 1; |
54 private static final byte BELL = 2; | |
55 private static final byte SERVER_CUT_TEXT = 3; | |
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56 |
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57 |
224 | 58 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
336 | 59 private Reader reader; |
224 | 60 private volatile boolean isRunning = false; |
61 private Renderer renderer; | |
62 private final IRepaintController repaintController; | |
63 private final ClipboardController clipboardController; | |
64 protected final DecodersContainer decoders; | |
65 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
66 protected final ProtocolContext context; | |
67 protected PixelFormat pixelFormat; | |
68 protected boolean needSendPixelFormat; | |
69 private TreeRFBProto rfb; | |
70 private long checkCounter = 0; | |
248
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71 public int numberOfRectangles = 0; |
255 | 72 private Timer timer = null; |
73 | |
224 | 74 public ReceiverTask(Reader reader, |
275 | 75 IRepaintController repaintController, ClipboardController clipboardController, |
314 | 76 DecodersContainer decoders, final ProtocolContext context, |
275 | 77 TreeRFBProto _rfb) { |
224 | 78 rfb = _rfb; |
79 this.reader = reader; | |
80 this.repaintController = repaintController; | |
81 this.clipboardController = clipboardController; | |
82 this.context = context; | |
83 this.decoders = decoders; | |
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84 |
224 | 85 Decoder decoder = new ZRLEESender(rfb); |
86 decoders.setDecoderByType(EncodingType.ZLIB, decoder); | |
87 decoders.setDecoderByType(EncodingType.ZRLE, decoder); | |
88 decoders.setDecoderByType(EncodingType.ZRLEE, decoder); | |
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89 if(rfb.fixingSize) { |
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90 context.setFbWidth(rfb.fixingSizeWidth); |
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91 context.setFbHeight(rfb.fixingSizeHeight); |
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92 } |
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93 ConnectionPresenter cp = rfb.getViewer().getConnectionPresenter(); |
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94 if(!rfb.getCuiVersion()) { |
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95 if (cp.getSingleWidth()==0) { |
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96 // request full screen for the first time |
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97 cp.setSingleWidth(context.getFbWidth()); |
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98 cp.setSingleHeight(context.getFbHeight()); |
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99 } |
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100 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(), context.getPixelFormat()); |
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101 } else { |
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102 renderer = new NullRenderer(context.getPixelFormat().bitsPerPixel/8); |
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103 } |
224 | 104 if(rfb.isTreeManager()) { |
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105 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(cp.getX(), cp.getY(), cp.getSingleWidth(), cp.getSingleHeight(), false); |
224 | 106 connectionFinished(); |
107 } | |
108 } | |
178
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109 |
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110 |
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111 |
224 | 112 @Override |
113 public void run() { | |
114 isRunning = true; | |
490 | 115 if (fullscreenFbUpdateIncrementalRequest != null) { |
116 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(context); | |
117 } | |
224 | 118 while (isRunning) { |
119 try { | |
541 | 120 // reader.available(); |
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121 if (! isRunning) { |
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122 // server Change in direct mode |
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123 // pass the input stream to the TreeVNC protocol reader |
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124 return; |
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125 } |
525 | 126 byte messageId = getMessageId(reader); |
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127 |
224 | 128 switch (messageId) { |
275 | 129 case FRAMEBUFFER_UPDATE: |
130 // logger.fine("Server message: FramebufferUpdate (0)"); | |
524 | 131 framebufferUpdateMessage(reader); |
275 | 132 break; |
133 case SET_COLOR_MAP_ENTRIES: | |
134 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); | |
135 setColorMapEntries(); | |
136 break; | |
137 case BELL: | |
138 logger.fine("Server message: Bell"); | |
139 // System.out.print("\0007"); | |
140 // System.out.flush(); | |
141 break; | |
142 case SERVER_CUT_TEXT: | |
143 logger.fine("Server message: CutText (3)"); | |
144 serverCutText(); | |
145 break; | |
146 default: | |
522 | 147 logger.fine("Unsupported server message. Id = " + messageId); |
148 continue; | |
224 | 149 } |
150 } catch (TransportException e) { | |
481 | 151 System.out.println(e.getMessage()); |
152 System.out.println(e.getCause().getClass().getSimpleName()); | |
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153 if (e.getCause().getClass().getSimpleName().equals("SocketTimeoutException")) { |
482 | 154 sendFrameBufferUpdateRequest(); |
422
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155 continue; |
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156 } |
347
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157 logger.severe("Close session : ReceiverTask : " + e.getMessage()); |
224 | 158 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) { |
332
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159 System.out.println("death parent node, wait connect new parent node."); |
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160 // close viewer |
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161 ViewerInterface viewer = rfb.getViewer(); |
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162 viewer.setVisible(false); |
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163 try { |
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164 // clean DataInputStream |
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165 reader.close(); |
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166 } catch (TransportException e1) { |
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167 e1.printStackTrace(); |
224 | 168 } |
485 | 169 //} else { |
170 // rfb.sendDesktopSizeChange((short) -1); | |
224 | 171 } |
172 stopTask(); | |
173 } catch (ProtocolException e) { | |
174 logger.severe(e.getMessage()); | |
175 if (isRunning) { | |
176 context.cleanUpSession(e.getMessage() + "\nConnection closed."); | |
177 } | |
178 stopTask(); | |
179 } catch (CommonException e) { | |
180 logger.severe(e.getMessage()); | |
181 if (isRunning) { | |
182 context.cleanUpSession("Connection closed.."); | |
183 } | |
184 stopTask(); | |
185 } catch (Throwable te) { | |
186 StringWriter sw = new StringWriter(); | |
187 PrintWriter pw = new PrintWriter(sw); | |
188 te.printStackTrace(pw); | |
498 | 189 logger.severe("updateRectangle record failed : " + te); |
190 te.printStackTrace(); | |
224 | 191 if (isRunning) { |
192 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); | |
193 } | |
194 stopTask(); | |
195 } | |
196 } | |
197 } | |
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198 |
525 | 199 public byte getMessageId(Reader reader) throws Exception { |
505 | 200 if(! rfb.isTreeManager() && rfb.isAddSerialNum()) { |
201 // client has 8byte packet sequence number | |
202 // add serial number flag (4byte) | |
203 reader.mark(20+8+4); | |
204 getLost(reader); //check seq consistency | |
205 } else { | |
206 reader.mark(20+4); | |
207 } | |
550
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208 rfb.messageDump(reader, "get receive massage: "); |
505 | 209 return reader.readByte(); |
210 } | |
211 | |
482 | 212 public void sendFrameBufferUpdateRequest() { |
485 | 213 if (rfb.isTreeManager()) { |
214 sendFrameBufferUpdateRequest0(); | |
482 | 215 } |
216 } | |
217 | |
224 | 218 private void sleep(int i) { |
219 try { | |
145
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220 Thread.sleep(i); |
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221 } catch (InterruptedException e) { |
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222 // nothing. |
332
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223 |
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224 } |
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225 } |
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226 |
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227 |
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228 private void setColorMapEntries() throws TransportException { |
224 | 229 reader.readByte(); // padding |
230 reader.readUInt16(); // first color index | |
231 int length = reader.readUInt16(); | |
232 while (length-- > 0) { | |
233 reader.readUInt16(); // R | |
234 reader.readUInt16(); // G | |
235 reader.readUInt16(); // B | |
236 } | |
237 } | |
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238 |
224 | 239 private void serverCutText() throws TransportException { |
240 reader.readByte(); // padding | |
241 reader.readInt16(); // padding | |
242 int length = reader.readInt32() & Integer.MAX_VALUE; | |
243 clipboardController.updateSystemClipboard(reader.readBytes(length)); | |
244 } | |
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245 |
524 | 246 public void framebufferUpdateMessage(Reader reader) throws Exception { |
276 | 247 |
524 | 248 int numberOfRectangles; |
336 | 249 try { |
250 reader.readByte(); // padding | |
525 | 251 numberOfRectangles = reader.readUInt16(); |
532 | 252 this.numberOfRectangles = numberOfRectangles; |
524 | 253 if(numberOfRectangles > 3) { |
336 | 254 System.out.println("numberofrectangle : " + numberOfRectangles); |
522 | 255 if (rfb.getViewer().getUseMulticast()){ |
256 return; // Discard invalid packet | |
257 } | |
258 } | |
336 | 259 while (numberOfRectangles-- > 0) { |
260 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); | |
261 rect.fill(reader); | |
262 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); | |
263 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); | |
264 if (decoder != null) { | |
353 | 265 try { |
526 | 266 System.out.println(rect); |
353 | 267 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
268 if (rfb.getCuiVersion()) continue; | |
269 repaintController.repaintBitmap(rect); | |
270 } catch (Exception e) { | |
560 | 271 e.printStackTrace(); |
272 break; | |
353 | 273 } |
336 | 274 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
275 RichCursorDecoder.getInstance().decode(reader, renderer, rect); | |
276 if(repaintController!=null) | |
277 repaintController.repaintCursor(); | |
278 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { | |
447 | 279 renderer.decodeCursorPosition(rect); |
280 repaintController.repaintCursor(); | |
281 } else if (rect.getEncodingType() == EncodingType.EXTENDED_DESKTOP_SIZE) { | |
282 int numberOfScreen = reader.readByte(); | |
283 reader.readBytes(3); | |
284 LinkedList<FramebufferUpdateRectangle> screens = new LinkedList<FramebufferUpdateRectangle>(); | |
285 for (int i = 0; i < numberOfScreen; i++) { | |
286 long id = reader.readUInt32(); | |
287 int x = reader.readUInt16(); | |
288 int y = reader.readUInt16(); | |
289 int width = reader.readUInt16(); | |
290 int height = reader.readUInt16(); | |
291 long flag = reader.readUInt32(); | |
360 | 292 |
293 | |
447 | 294 FramebufferUpdateRectangle screen = new FramebufferUpdateRectangle(x, y, width, height); |
295 screen.port = (int) id; | |
296 screen.time = flag; | |
297 screens.add(screen); | |
298 System.out.println("screen " + id + ":" + "x=" + x + " y=" + y + "width=" + width + "height=" + height); | |
360 | 299 |
447 | 300 } |
301 return; | |
302 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) { | |
471 | 303 System.out.println("DESKTOP_SIZE"); |
447 | 304 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, rect.width, rect.height, false); |
305 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); | |
306 if (rfb.hasViewer()){ | |
448
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307 setScreenParameter(rect,rect.width,rect.height); |
336 | 308 } |
447 | 309 } else if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
310 // VNCServer is changed, initiarize new screen. | |
448
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311 int length = reader.readInt32() - 6; |
447 | 312 short id = reader.readInt16(); |
448
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313 int singleWidth = reader.readUInt16(); |
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314 int singleHeight = reader.readUInt16(); |
447 | 315 byte[] initData = new byte[length]; |
316 reader.read(initData); | |
317 String name = new String(initData, 24, length - 24, "UTF-8"); | |
318 context.setRemoteDesktopName(name); | |
319 context.setInitData(initData); | |
320 context.setFbWidth(rect.width); | |
321 context.setFbHeight(rect.height); | |
322 repaintController.updateRemoteDesktopName(context); | |
323 reader.reset(); | |
524 | 324 System.out.println("INIT_DATA: "+rect); |
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325 // request one screen |
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326 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, singleWidth, singleHeight, false); |
447 | 327 // All children multicastqueue should be discarded here. |
328 // rfb.clearChildrenTransmission(); | |
448
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329 rfb.readSendData(length + 16 + 10, reader, null, rect); // size of UpdateRectangleMessage with initData. |
447 | 330 if (!(rfb.getCuiVersion())) { |
449
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331 // keep full frame buffer for multi screen |
447 | 332 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); |
336 | 333 } |
471 | 334 rfb.setSharingId(id); |
362
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335 if (rfb.hasViewer()){ |
498 | 336 System.out.println("setscreenparameter"); |
448
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337 setScreenParameter(rect,singleWidth,singleHeight); |
362
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338 } |
336 | 339 } else if (rect.getEncodingType() == EncodingType.CHECK_DELAY) { |
447 | 340 int checkDelaySize = 24; |
341 int port = rfb.acceptPort; | |
342 String address = rfb.getMyAddress(); | |
414
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343 int dataLen = reader.readInt32(); |
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344 sendCheckDelayReply(rect.time, port, address, dataLen); |
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345 reader.reset(); |
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346 reader.readBytes(24); |
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347 decoder = decoders.getDecoderByType(EncodingType.ZRLEE); |
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348 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
415
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349 repaintController.repaintBitmap(rect); |
336 | 350 } else if (rect.getEncodingType() == EncodingType.SOUND) { |
351 // SOUNDを受信した時の処理を | |
412 | 352 } else if (rect.getEncodingType() == EncodingType.ERROR_ANNOUNCE) { |
353 short id = (short) rect.x; | |
354 int length = reader.readInt32(); | |
355 byte[] errorMessage = new byte[length]; | |
356 reader.read(errorMessage); | |
357 String errorMessageStr = new String(errorMessage, "UTF-8"); | |
358 if (id == rfb.getId()) { | |
424 | 359 rfb.getViewer().getConnectionPresenter().showPortErrorDialog(errorMessageStr); |
412 | 360 rfb.getViewer().getConnectionPresenter().clearMessage(); |
424 | 361 } else { |
412 | 362 reader.reset(); |
363 rfb.readSendData(length + 20, reader, null, rect); | |
364 } | |
336 | 365 } else |
366 throw new CommonException("Unprocessed encoding: " + rect.toString()); | |
367 } | |
368 } catch (UnsupportedEncodingException e) { | |
346 | 369 e.getMessage(); |
336 | 370 e.printStackTrace(); |
371 reader.close(); | |
524 | 372 } catch (Exception e) { |
373 System.out.println("FrameBufferUpdate: "+e); | |
224 | 374 } |
275 | 375 |
482 | 376 sendFrameBufferUpdateRequest(); |
224 | 377 } |
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378 |
552 | 379 public void checkFrameBufferRectanble(ByteBuffer c1) { |
545
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380 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); |
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381 Reader in = new Reader(new ByteArrayInputStream(c1.array())); |
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382 try { |
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383 if (in.readByte() != FRAMEBUFFER_UPDATE) { |
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384 ; |
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385 } |
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386 rect.fill(in); |
555 | 387 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); |
559
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388 decoder.decode(in,new NullRenderer(context.getPixelFormat().bitsPerPixel/8),rect); |
545
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389 } catch (Exception e) { |
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390 ; |
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391 } |
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392 } |
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393 |
448
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394 private void setScreenParameter(FramebufferUpdateRectangle rect,int singleWidth ,int singleHeight) { |
447 | 395 ViewerInterface v = rfb.getViewer(); |
396 ConnectionPresenter cp = v.getConnectionPresenter(); | |
448
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397 cp.setX(rect.x); |
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398 cp.setY(rect.y); |
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399 cp.setFrameSizeWidth(rect.width); |
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400 cp.setFrameSizeHeight(rect.height); |
454
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401 cp.setSingleWidth(singleWidth); |
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402 cp.setSingleHeight(singleHeight); |
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403 rfb.setConnectionPresenter(cp); |
447 | 404 v.setFitScreen(); |
476 | 405 System.out.println("got INIT_DATA: myID = " + rfb.getId() + " sharingID = " + rfb.getSharingId()); |
406 if (rfb.isTreeManager()) { | |
407 repaintController.setVisible(-1 != rfb.getSharingId() && rfb.getId() != rfb.getSharingId()); | |
408 } else { | |
485 | 409 if (rfb.getSharingId() != -1) |
410 repaintController.setVisible(rfb.getId() != rfb.getSharingId()); | |
476 | 411 } |
447 | 412 } |
413 | |
482 | 414 private void sendFrameBufferUpdateRequest0() { |
423
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415 if (needSendPixelFormat) { |
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416 needSendPixelFormat = false; |
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417 context.setPixelFormat(pixelFormat); |
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418 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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419 logger.fine("sent: " + pixelFormat); |
449
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420 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
423
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421 logger.fine("sent: nonincremental fb update"); |
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422 } else { |
449
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423 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
423
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424 } |
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425 } |
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426 |
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427 |
414
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428 private void sendCheckDelayReply(long time, int port, String address, int dataLen) throws UnsupportedEncodingException { |
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429 context.sendMessage(new CheckDelayReply(time, port, address, dataLen)); |
230 | 430 } |
431 | |
224 | 432 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
433 pixelFormat = pf; | |
434 needSendPixelFormat = true; | |
435 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); | |
436 } | |
437 | |
438 public void stopTask() { | |
439 isRunning = false; | |
440 } | |
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441 |
224 | 442 private void connectionFinished() { |
443 rfb.vncConnected(true); | |
444 } | |
445 | |
446 private void getLost(Reader reader) throws Exception { | |
242 | 447 int addSerialNumFlag = reader.readInt32(); |
224 | 448 long num = reader.readInt64(); |
243 | 449 if (addSerialNumFlag == 1) { |
450 if(num != ++checkCounter) { | |
451 System.out.println("LostData" + (num - checkCounter)); | |
452 checkCounter = num; | |
453 } | |
224 | 454 } |
455 } | |
505 | 456 |
457 public void setReader(Reader reader) { | |
458 this.reader = reader; | |
459 } | |
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460 } |