Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 526:fcd833c2e148
Multicast Bloking in ZRLEDecoder
author | riono210 |
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date | Thu, 02 May 2019 16:18:44 +0900 |
parents | fea7651ca24f |
children | 9292035b8d93 |
rev | line source |
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57
17b702648079
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.PrintWriter; |
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45 import java.io.StringWriter; |
167 | 46 import java.io.UnsupportedEncodingException; |
360 | 47 import java.util.LinkedList; |
255 | 48 import java.util.Timer; |
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49 import java.util.logging.Logger; |
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50 |
35 | 51 |
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52 public class ReceiverTask implements Runnable { |
505 | 53 public static final byte FRAMEBUFFER_UPDATE = 0; |
224 | 54 private static final byte SET_COLOR_MAP_ENTRIES = 1; |
55 private static final byte BELL = 2; | |
56 private static final byte SERVER_CUT_TEXT = 3; | |
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57 |
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58 |
224 | 59 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
336 | 60 private Reader reader; |
224 | 61 private volatile boolean isRunning = false; |
62 private Renderer renderer; | |
63 private final IRepaintController repaintController; | |
64 private final ClipboardController clipboardController; | |
65 protected final DecodersContainer decoders; | |
66 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
67 protected final ProtocolContext context; | |
68 protected PixelFormat pixelFormat; | |
69 protected boolean needSendPixelFormat; | |
70 private TreeRFBProto rfb; | |
71 private long checkCounter = 0; | |
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72 public int numberOfRectangles = 0; |
255 | 73 private Timer timer = null; |
74 | |
224 | 75 public ReceiverTask(Reader reader, |
275 | 76 IRepaintController repaintController, ClipboardController clipboardController, |
314 | 77 DecodersContainer decoders, final ProtocolContext context, |
275 | 78 TreeRFBProto _rfb) { |
224 | 79 rfb = _rfb; |
80 this.reader = reader; | |
81 this.repaintController = repaintController; | |
82 this.clipboardController = clipboardController; | |
83 this.context = context; | |
84 this.decoders = decoders; | |
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85 |
224 | 86 Decoder decoder = new ZRLEESender(rfb); |
87 decoders.setDecoderByType(EncodingType.ZLIB, decoder); | |
88 decoders.setDecoderByType(EncodingType.ZRLE, decoder); | |
89 decoders.setDecoderByType(EncodingType.ZRLEE, decoder); | |
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90 if(rfb.fixingSize) { |
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91 context.setFbWidth(rfb.fixingSizeWidth); |
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92 context.setFbHeight(rfb.fixingSizeHeight); |
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93 } |
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94 ConnectionPresenter cp = rfb.getViewer().getConnectionPresenter(); |
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95 if(!rfb.getCuiVersion()) { |
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96 if (cp.getSingleWidth()==0) { |
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97 // request full screen for the first time |
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98 cp.setSingleWidth(context.getFbWidth()); |
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99 cp.setSingleHeight(context.getFbHeight()); |
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100 } |
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101 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(), context.getPixelFormat()); |
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102 } |
224 | 103 if(rfb.isTreeManager()) { |
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104 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(cp.getX(), cp.getY(), cp.getSingleWidth(), cp.getSingleHeight(), false); |
224 | 105 connectionFinished(); |
106 } | |
107 } | |
178
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108 |
224 | 109 @Override |
110 public void run() { | |
111 isRunning = true; | |
490 | 112 if (fullscreenFbUpdateIncrementalRequest != null) { |
113 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(context); | |
114 } | |
224 | 115 while (isRunning) { |
116 try { | |
393
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117 reader.available(); |
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118 if (! isRunning) { |
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119 // server Change in direct mode |
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120 // pass the input stream to the TreeVNC protocol reader |
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121 return; |
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122 } |
525 | 123 byte messageId = getMessageId(reader); |
393
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124 |
224 | 125 switch (messageId) { |
275 | 126 case FRAMEBUFFER_UPDATE: |
127 // logger.fine("Server message: FramebufferUpdate (0)"); | |
524 | 128 framebufferUpdateMessage(reader); |
275 | 129 break; |
130 case SET_COLOR_MAP_ENTRIES: | |
131 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); | |
132 setColorMapEntries(); | |
133 break; | |
134 case BELL: | |
135 logger.fine("Server message: Bell"); | |
136 // System.out.print("\0007"); | |
137 // System.out.flush(); | |
138 break; | |
139 case SERVER_CUT_TEXT: | |
140 logger.fine("Server message: CutText (3)"); | |
141 serverCutText(); | |
142 break; | |
143 default: | |
522 | 144 logger.fine("Unsupported server message. Id = " + messageId); |
145 continue; | |
224 | 146 } |
147 } catch (TransportException e) { | |
481 | 148 System.out.println(e.getMessage()); |
149 System.out.println(e.getCause().getClass().getSimpleName()); | |
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150 if (e.getCause().getClass().getSimpleName().equals("SocketTimeoutException")) { |
482 | 151 sendFrameBufferUpdateRequest(); |
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152 continue; |
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153 } |
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154 logger.severe("Close session : ReceiverTask : " + e.getMessage()); |
224 | 155 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) { |
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156 System.out.println("death parent node, wait connect new parent node."); |
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157 // close viewer |
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158 ViewerInterface viewer = rfb.getViewer(); |
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159 viewer.setVisible(false); |
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160 try { |
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161 // clean DataInputStream |
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162 reader.close(); |
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163 } catch (TransportException e1) { |
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164 e1.printStackTrace(); |
224 | 165 } |
485 | 166 //} else { |
167 // rfb.sendDesktopSizeChange((short) -1); | |
224 | 168 } |
169 stopTask(); | |
170 } catch (ProtocolException e) { | |
171 logger.severe(e.getMessage()); | |
172 if (isRunning) { | |
173 context.cleanUpSession(e.getMessage() + "\nConnection closed."); | |
174 } | |
175 stopTask(); | |
176 } catch (CommonException e) { | |
177 logger.severe(e.getMessage()); | |
178 if (isRunning) { | |
179 context.cleanUpSession("Connection closed.."); | |
180 } | |
181 stopTask(); | |
182 } catch (Throwable te) { | |
183 StringWriter sw = new StringWriter(); | |
184 PrintWriter pw = new PrintWriter(sw); | |
185 te.printStackTrace(pw); | |
498 | 186 logger.severe("updateRectangle record failed : " + te); |
187 te.printStackTrace(); | |
224 | 188 if (isRunning) { |
189 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); | |
190 } | |
191 stopTask(); | |
192 } | |
193 } | |
194 } | |
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195 |
525 | 196 public byte getMessageId(Reader reader) throws Exception { |
505 | 197 if(! rfb.isTreeManager() && rfb.isAddSerialNum()) { |
198 // client has 8byte packet sequence number | |
199 // add serial number flag (4byte) | |
200 reader.mark(20+8+4); | |
201 getLost(reader); //check seq consistency | |
202 } else { | |
203 reader.mark(20+4); | |
204 } | |
205 return reader.readByte(); | |
206 } | |
207 | |
482 | 208 public void sendFrameBufferUpdateRequest() { |
485 | 209 if (rfb.isTreeManager()) { |
210 sendFrameBufferUpdateRequest0(); | |
482 | 211 } |
212 } | |
213 | |
224 | 214 private void sleep(int i) { |
215 try { | |
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216 Thread.sleep(i); |
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217 } catch (InterruptedException e) { |
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218 // nothing. |
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219 |
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220 } |
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221 } |
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222 |
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223 |
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224 private void setColorMapEntries() throws TransportException { |
224 | 225 reader.readByte(); // padding |
226 reader.readUInt16(); // first color index | |
227 int length = reader.readUInt16(); | |
228 while (length-- > 0) { | |
229 reader.readUInt16(); // R | |
230 reader.readUInt16(); // G | |
231 reader.readUInt16(); // B | |
232 } | |
233 } | |
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234 |
224 | 235 private void serverCutText() throws TransportException { |
236 reader.readByte(); // padding | |
237 reader.readInt16(); // padding | |
238 int length = reader.readInt32() & Integer.MAX_VALUE; | |
239 clipboardController.updateSystemClipboard(reader.readBytes(length)); | |
240 } | |
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241 |
524 | 242 public void framebufferUpdateMessage(Reader reader) throws Exception { |
276 | 243 |
524 | 244 int numberOfRectangles; |
336 | 245 try { |
246 reader.readByte(); // padding | |
525 | 247 numberOfRectangles = reader.readUInt16(); |
524 | 248 if(numberOfRectangles > 3) { |
336 | 249 System.out.println("numberofrectangle : " + numberOfRectangles); |
522 | 250 if (rfb.getViewer().getUseMulticast()){ |
251 return; // Discard invalid packet | |
252 } | |
253 } | |
336 | 254 while (numberOfRectangles-- > 0) { |
255 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); | |
256 rect.fill(reader); | |
257 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); | |
258 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); | |
259 if (decoder != null) { | |
353 | 260 try { |
526 | 261 System.out.println(rect); |
353 | 262 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
263 if (rfb.getCuiVersion()) continue; | |
264 repaintController.repaintBitmap(rect); | |
265 } catch (Exception e) { | |
266 throw e; | |
267 } | |
336 | 268 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
269 RichCursorDecoder.getInstance().decode(reader, renderer, rect); | |
270 if(repaintController!=null) | |
271 repaintController.repaintCursor(); | |
272 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { | |
447 | 273 renderer.decodeCursorPosition(rect); |
274 repaintController.repaintCursor(); | |
275 } else if (rect.getEncodingType() == EncodingType.EXTENDED_DESKTOP_SIZE) { | |
276 int numberOfScreen = reader.readByte(); | |
277 reader.readBytes(3); | |
278 LinkedList<FramebufferUpdateRectangle> screens = new LinkedList<FramebufferUpdateRectangle>(); | |
279 for (int i = 0; i < numberOfScreen; i++) { | |
280 long id = reader.readUInt32(); | |
281 int x = reader.readUInt16(); | |
282 int y = reader.readUInt16(); | |
283 int width = reader.readUInt16(); | |
284 int height = reader.readUInt16(); | |
285 long flag = reader.readUInt32(); | |
360 | 286 |
287 | |
447 | 288 FramebufferUpdateRectangle screen = new FramebufferUpdateRectangle(x, y, width, height); |
289 screen.port = (int) id; | |
290 screen.time = flag; | |
291 screens.add(screen); | |
292 System.out.println("screen " + id + ":" + "x=" + x + " y=" + y + "width=" + width + "height=" + height); | |
360 | 293 |
447 | 294 } |
295 return; | |
296 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) { | |
471 | 297 System.out.println("DESKTOP_SIZE"); |
447 | 298 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, rect.width, rect.height, false); |
299 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); | |
300 if (rfb.hasViewer()){ | |
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301 setScreenParameter(rect,rect.width,rect.height); |
336 | 302 } |
447 | 303 } else if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
304 // VNCServer is changed, initiarize new screen. | |
448
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305 int length = reader.readInt32() - 6; |
447 | 306 short id = reader.readInt16(); |
448
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307 int singleWidth = reader.readUInt16(); |
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308 int singleHeight = reader.readUInt16(); |
447 | 309 byte[] initData = new byte[length]; |
310 reader.read(initData); | |
311 String name = new String(initData, 24, length - 24, "UTF-8"); | |
312 context.setRemoteDesktopName(name); | |
313 context.setInitData(initData); | |
314 context.setFbWidth(rect.width); | |
315 context.setFbHeight(rect.height); | |
316 repaintController.updateRemoteDesktopName(context); | |
317 reader.reset(); | |
524 | 318 System.out.println("INIT_DATA: "+rect); |
449
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319 // request one screen |
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320 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, singleWidth, singleHeight, false); |
447 | 321 // All children multicastqueue should be discarded here. |
322 // rfb.clearChildrenTransmission(); | |
448
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323 rfb.readSendData(length + 16 + 10, reader, null, rect); // size of UpdateRectangleMessage with initData. |
447 | 324 if (!(rfb.getCuiVersion())) { |
449
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325 // keep full frame buffer for multi screen |
447 | 326 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); |
336 | 327 } |
471 | 328 rfb.setSharingId(id); |
362
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329 if (rfb.hasViewer()){ |
498 | 330 System.out.println("setscreenparameter"); |
448
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331 setScreenParameter(rect,singleWidth,singleHeight); |
362
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332 } |
336 | 333 } else if (rect.getEncodingType() == EncodingType.CHECK_DELAY) { |
447 | 334 int checkDelaySize = 24; |
335 int port = rfb.acceptPort; | |
336 String address = rfb.getMyAddress(); | |
414
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337 int dataLen = reader.readInt32(); |
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338 sendCheckDelayReply(rect.time, port, address, dataLen); |
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339 reader.reset(); |
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340 reader.readBytes(24); |
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341 decoder = decoders.getDecoderByType(EncodingType.ZRLEE); |
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342 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
415
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343 repaintController.repaintBitmap(rect); |
336 | 344 } else if (rect.getEncodingType() == EncodingType.SOUND) { |
345 // SOUNDを受信した時の処理を | |
412 | 346 } else if (rect.getEncodingType() == EncodingType.ERROR_ANNOUNCE) { |
347 short id = (short) rect.x; | |
348 int length = reader.readInt32(); | |
349 byte[] errorMessage = new byte[length]; | |
350 reader.read(errorMessage); | |
351 String errorMessageStr = new String(errorMessage, "UTF-8"); | |
352 if (id == rfb.getId()) { | |
424 | 353 rfb.getViewer().getConnectionPresenter().showPortErrorDialog(errorMessageStr); |
412 | 354 rfb.getViewer().getConnectionPresenter().clearMessage(); |
424 | 355 } else { |
412 | 356 reader.reset(); |
357 rfb.readSendData(length + 20, reader, null, rect); | |
358 } | |
336 | 359 } else |
360 throw new CommonException("Unprocessed encoding: " + rect.toString()); | |
361 } | |
362 } catch (UnsupportedEncodingException e) { | |
346 | 363 e.getMessage(); |
336 | 364 e.printStackTrace(); |
365 reader.close(); | |
524 | 366 } catch (Exception e) { |
367 System.out.println("FrameBufferUpdate: "+e); | |
224 | 368 } |
275 | 369 |
482 | 370 sendFrameBufferUpdateRequest(); |
224 | 371 } |
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372 |
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373 private void setScreenParameter(FramebufferUpdateRectangle rect,int singleWidth ,int singleHeight) { |
447 | 374 ViewerInterface v = rfb.getViewer(); |
375 ConnectionPresenter cp = v.getConnectionPresenter(); | |
448
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376 cp.setX(rect.x); |
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377 cp.setY(rect.y); |
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378 cp.setFrameSizeWidth(rect.width); |
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379 cp.setFrameSizeHeight(rect.height); |
454
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380 cp.setSingleWidth(singleWidth); |
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381 cp.setSingleHeight(singleHeight); |
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382 rfb.setConnectionPresenter(cp); |
447 | 383 v.setFitScreen(); |
476 | 384 System.out.println("got INIT_DATA: myID = " + rfb.getId() + " sharingID = " + rfb.getSharingId()); |
385 if (rfb.isTreeManager()) { | |
386 repaintController.setVisible(-1 != rfb.getSharingId() && rfb.getId() != rfb.getSharingId()); | |
387 } else { | |
485 | 388 if (rfb.getSharingId() != -1) |
389 repaintController.setVisible(rfb.getId() != rfb.getSharingId()); | |
476 | 390 } |
447 | 391 } |
392 | |
482 | 393 private void sendFrameBufferUpdateRequest0() { |
423
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394 if (needSendPixelFormat) { |
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395 needSendPixelFormat = false; |
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396 context.setPixelFormat(pixelFormat); |
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397 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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398 logger.fine("sent: " + pixelFormat); |
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399 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
423
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400 logger.fine("sent: nonincremental fb update"); |
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401 } else { |
449
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402 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
423
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403 } |
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404 } |
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405 |
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406 |
414
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407 private void sendCheckDelayReply(long time, int port, String address, int dataLen) throws UnsupportedEncodingException { |
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408 context.sendMessage(new CheckDelayReply(time, port, address, dataLen)); |
230 | 409 } |
410 | |
224 | 411 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
412 pixelFormat = pf; | |
413 needSendPixelFormat = true; | |
414 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); | |
415 } | |
416 | |
417 public void stopTask() { | |
418 isRunning = false; | |
419 } | |
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420 |
224 | 421 private void connectionFinished() { |
422 rfb.vncConnected(true); | |
423 } | |
424 | |
425 private void getLost(Reader reader) throws Exception { | |
242 | 426 int addSerialNumFlag = reader.readInt32(); |
224 | 427 long num = reader.readInt64(); |
243 | 428 if (addSerialNumFlag == 1) { |
429 if(num != ++checkCounter) { | |
430 System.out.println("LostData" + (num - checkCounter)); | |
431 checkCounter = num; | |
432 } | |
224 | 433 } |
434 } | |
505 | 435 |
436 public void setReader(Reader reader) { | |
437 this.reader = reader; | |
438 } | |
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439 } |