Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 476:9a672958d7f2
Set sharing ID if TreeManager sharing
author | one |
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date | Thu, 07 Sep 2017 19:50:37 +0900 |
parents | c1b4befc5933 |
children | 6e30cb5d905f |
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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 { |
224 | 53 private static final byte FRAMEBUFFER_UPDATE = 0; |
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; | |
248
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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 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); |
106 connectionFinished(); | |
107 } | |
108 } | |
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109 |
224 | 110 @Override |
111 public void run() { | |
112 isRunning = true; | |
113 while (isRunning) { | |
114 try { | |
393
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115 reader.available(); |
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116 if (! isRunning) { |
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117 // server Change in direct mode |
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118 // pass the input stream to the TreeVNC protocol reader |
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119 return; |
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120 } |
378 | 121 if(! rfb.isTreeManager() && rfb.isAddSerialNum()) { |
224 | 122 // client has 8byte packet sequence number |
242 | 123 // add serial number flag (4byte) |
124 reader.mark(20+8+4); | |
125 getLost(reader); //check seq consistency | |
224 | 126 } else { |
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127 reader.mark(20+4); |
224 | 128 } |
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129 byte messageId = reader.readByte(); |
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130 |
224 | 131 switch (messageId) { |
275 | 132 case FRAMEBUFFER_UPDATE: |
133 // logger.fine("Server message: FramebufferUpdate (0)"); | |
134 framebufferUpdateMessage(); | |
135 break; | |
136 case SET_COLOR_MAP_ENTRIES: | |
137 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); | |
138 setColorMapEntries(); | |
139 break; | |
140 case BELL: | |
141 logger.fine("Server message: Bell"); | |
142 // System.out.print("\0007"); | |
143 // System.out.flush(); | |
144 break; | |
145 case SERVER_CUT_TEXT: | |
146 logger.fine("Server message: CutText (3)"); | |
147 serverCutText(); | |
148 break; | |
149 default: | |
150 logger.severe("Unsupported server message. Id = " + messageId); | |
224 | 151 } |
152 } catch (TransportException e) { | |
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153 if (e.getCause().getClass().getSimpleName().equals("SocketTimeoutException")) { |
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154 if (rfb.isTreeManager()) { |
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155 sendFrameBufferUpdateRequest(); |
422
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156 } |
426
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157 try { |
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158 reader.reset(); |
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159 } catch (TransportException e1) { |
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160 e1.printStackTrace(); |
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161 } |
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162 continue; |
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163 } |
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164 logger.severe("Close session : ReceiverTask : " + e.getMessage()); |
224 | 165 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) { |
332
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166 System.out.println("death parent node, wait connect new parent node."); |
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167 // close viewer |
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168 ViewerInterface viewer = rfb.getViewer(); |
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169 viewer.setVisible(false); |
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170 try { |
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171 // clean DataInputStream |
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172 reader.close(); |
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173 } catch (TransportException e1) { |
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174 e1.printStackTrace(); |
224 | 175 } |
176 } | |
177 stopTask(); | |
178 } catch (ProtocolException e) { | |
179 logger.severe(e.getMessage()); | |
180 if (isRunning) { | |
181 context.cleanUpSession(e.getMessage() + "\nConnection closed."); | |
182 } | |
183 stopTask(); | |
184 } catch (CommonException e) { | |
185 logger.severe(e.getMessage()); | |
186 if (isRunning) { | |
187 context.cleanUpSession("Connection closed.."); | |
188 } | |
189 stopTask(); | |
190 } catch (Throwable te) { | |
191 StringWriter sw = new StringWriter(); | |
192 PrintWriter pw = new PrintWriter(sw); | |
193 te.printStackTrace(pw); | |
353 | 194 logger.severe("updateRectangle record failed : " + te.getMessage()); |
224 | 195 if (isRunning) { |
196 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); | |
197 } | |
198 stopTask(); | |
199 } | |
200 } | |
201 } | |
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202 |
224 | 203 private void sleep(int i) { |
204 try { | |
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205 Thread.sleep(i); |
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206 } catch (InterruptedException e) { |
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207 // nothing. |
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208 |
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209 } |
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210 } |
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211 |
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212 |
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213 private void setColorMapEntries() throws TransportException { |
224 | 214 reader.readByte(); // padding |
215 reader.readUInt16(); // first color index | |
216 int length = reader.readUInt16(); | |
217 while (length-- > 0) { | |
218 reader.readUInt16(); // R | |
219 reader.readUInt16(); // G | |
220 reader.readUInt16(); // B | |
221 } | |
222 } | |
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223 |
224 | 224 private void serverCutText() throws TransportException { |
225 reader.readByte(); // padding | |
226 reader.readInt16(); // padding | |
227 int length = reader.readInt32() & Integer.MAX_VALUE; | |
228 clipboardController.updateSystemClipboard(reader.readBytes(length)); | |
229 } | |
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230 |
353 | 231 public void framebufferUpdateMessage() throws Exception { |
276 | 232 |
336 | 233 try { |
234 reader.readByte(); // padding | |
235 this.numberOfRectangles = reader.readUInt16(); | |
236 if(numberOfRectangles != 1) | |
237 System.out.println("numberofrectangle : " + numberOfRectangles); | |
238 while (numberOfRectangles-- > 0) { | |
239 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); | |
240 rect.fill(reader); | |
241 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); | |
242 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); | |
243 if (decoder != null) { | |
353 | 244 try { |
245 decoder.decode(reader, renderer, rect); // TreeVNC processing here | |
246 if (rfb.getCuiVersion()) continue; | |
247 repaintController.repaintBitmap(rect); | |
248 } catch (Exception e) { | |
249 throw e; | |
250 } | |
336 | 251 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
252 RichCursorDecoder.getInstance().decode(reader, renderer, rect); | |
253 if(repaintController!=null) | |
254 repaintController.repaintCursor(); | |
255 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { | |
447 | 256 renderer.decodeCursorPosition(rect); |
257 repaintController.repaintCursor(); | |
258 } else if (rect.getEncodingType() == EncodingType.EXTENDED_DESKTOP_SIZE) { | |
259 int numberOfScreen = reader.readByte(); | |
260 reader.readBytes(3); | |
261 LinkedList<FramebufferUpdateRectangle> screens = new LinkedList<FramebufferUpdateRectangle>(); | |
262 for (int i = 0; i < numberOfScreen; i++) { | |
263 long id = reader.readUInt32(); | |
264 int x = reader.readUInt16(); | |
265 int y = reader.readUInt16(); | |
266 int width = reader.readUInt16(); | |
267 int height = reader.readUInt16(); | |
268 long flag = reader.readUInt32(); | |
360 | 269 |
270 | |
447 | 271 FramebufferUpdateRectangle screen = new FramebufferUpdateRectangle(x, y, width, height); |
272 screen.port = (int) id; | |
273 screen.time = flag; | |
274 screens.add(screen); | |
275 System.out.println("screen " + id + ":" + "x=" + x + " y=" + y + "width=" + width + "height=" + height); | |
360 | 276 |
447 | 277 } |
278 return; | |
279 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) { | |
471 | 280 System.out.println("DESKTOP_SIZE"); |
447 | 281 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, rect.width, rect.height, false); |
282 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); | |
283 if (rfb.hasViewer()){ | |
448
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284 setScreenParameter(rect,rect.width,rect.height); |
336 | 285 } |
447 | 286 } else if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
287 // VNCServer is changed, initiarize new screen. | |
448
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288 int length = reader.readInt32() - 6; |
447 | 289 short id = reader.readInt16(); |
448
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290 int singleWidth = reader.readUInt16(); |
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291 int singleHeight = reader.readUInt16(); |
447 | 292 byte[] initData = new byte[length]; |
293 reader.read(initData); | |
294 String name = new String(initData, 24, length - 24, "UTF-8"); | |
295 context.setRemoteDesktopName(name); | |
296 context.setInitData(initData); | |
297 context.setFbWidth(rect.width); | |
298 context.setFbHeight(rect.height); | |
299 repaintController.updateRemoteDesktopName(context); | |
300 reader.reset(); | |
449
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301 // request one screen |
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302 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(rect.x, rect.y, singleWidth, singleHeight, false); |
447 | 303 // All children multicastqueue should be discarded here. |
304 // rfb.clearChildrenTransmission(); | |
448
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305 rfb.readSendData(length + 16 + 10, reader, null, rect); // size of UpdateRectangleMessage with initData. |
447 | 306 if (!(rfb.getCuiVersion())) { |
449
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307 // keep full frame buffer for multi screen |
447 | 308 renderer = repaintController.createRenderer(reader, rect.width, rect.height, context.getPixelFormat()); |
336 | 309 } |
471 | 310 rfb.setSharingId(id); |
362
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311 if (rfb.hasViewer()){ |
448
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312 setScreenParameter(rect,singleWidth,singleHeight); |
362
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313 } |
336 | 314 } else if (rect.getEncodingType() == EncodingType.CHECK_DELAY) { |
447 | 315 int checkDelaySize = 24; |
316 int port = rfb.acceptPort; | |
317 String address = rfb.getMyAddress(); | |
414
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318 int dataLen = reader.readInt32(); |
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319 sendCheckDelayReply(rect.time, port, address, dataLen); |
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320 reader.reset(); |
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321 reader.readBytes(24); |
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322 decoder = decoders.getDecoderByType(EncodingType.ZRLEE); |
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323 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
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324 repaintController.repaintBitmap(rect); |
336 | 325 } else if (rect.getEncodingType() == EncodingType.SOUND) { |
326 // SOUNDを受信した時の処理を | |
412 | 327 } else if (rect.getEncodingType() == EncodingType.ERROR_ANNOUNCE) { |
328 short id = (short) rect.x; | |
329 int length = reader.readInt32(); | |
330 byte[] errorMessage = new byte[length]; | |
331 reader.read(errorMessage); | |
332 String errorMessageStr = new String(errorMessage, "UTF-8"); | |
333 if (id == rfb.getId()) { | |
424 | 334 rfb.getViewer().getConnectionPresenter().showPortErrorDialog(errorMessageStr); |
412 | 335 rfb.getViewer().getConnectionPresenter().clearMessage(); |
424 | 336 } else { |
412 | 337 reader.reset(); |
338 rfb.readSendData(length + 20, reader, null, rect); | |
339 } | |
336 | 340 } else |
341 throw new CommonException("Unprocessed encoding: " + rect.toString()); | |
342 } | |
343 } catch (UnsupportedEncodingException e) { | |
346 | 344 e.getMessage(); |
336 | 345 e.printStackTrace(); |
346 reader.close(); | |
224 | 347 } |
275 | 348 |
336 | 349 if (rfb.isTreeManager()) { |
423
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350 sendFrameBufferUpdateRequest(); |
224 | 351 } |
352 } | |
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353 |
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354 private void setScreenParameter(FramebufferUpdateRectangle rect,int singleWidth ,int singleHeight) { |
447 | 355 ViewerInterface v = rfb.getViewer(); |
356 ConnectionPresenter cp = v.getConnectionPresenter(); | |
448
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357 cp.setX(rect.x); |
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358 cp.setY(rect.y); |
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359 cp.setFrameSizeWidth(rect.width); |
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360 cp.setFrameSizeHeight(rect.height); |
454
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361 cp.setSingleWidth(singleWidth); |
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362 cp.setSingleHeight(singleHeight); |
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363 rfb.setConnectionPresenter(cp); |
447 | 364 v.setFitScreen(); |
476 | 365 System.out.println("got INIT_DATA: myID = " + rfb.getId() + " sharingID = " + rfb.getSharingId()); |
366 if (rfb.isTreeManager()) { | |
367 repaintController.setVisible(-1 != rfb.getSharingId() && rfb.getId() != rfb.getSharingId()); | |
368 } else { | |
369 repaintController.setVisible(rfb.getId() != rfb.getSharingId()); | |
370 } | |
447 | 371 } |
372 | |
373 private void sendFrameBufferUpdateRequest() { | |
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374 if (needSendPixelFormat) { |
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375 needSendPixelFormat = false; |
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376 context.setPixelFormat(pixelFormat); |
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377 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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378 logger.fine("sent: " + pixelFormat); |
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379 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
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380 logger.fine("sent: nonincremental fb update"); |
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381 } else { |
449
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382 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
423
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383 } |
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384 } |
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385 |
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386 |
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387 private void sendCheckDelayReply(long time, int port, String address, int dataLen) throws UnsupportedEncodingException { |
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388 context.sendMessage(new CheckDelayReply(time, port, address, dataLen)); |
230 | 389 } |
390 | |
224 | 391 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
392 pixelFormat = pf; | |
393 needSendPixelFormat = true; | |
394 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); | |
395 } | |
396 | |
397 public void stopTask() { | |
398 isRunning = false; | |
399 } | |
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400 |
224 | 401 private void connectionFinished() { |
402 rfb.vncConnected(true); | |
403 } | |
404 | |
405 private void getLost(Reader reader) throws Exception { | |
242 | 406 int addSerialNumFlag = reader.readInt32(); |
224 | 407 long num = reader.readInt64(); |
243 | 408 if (addSerialNumFlag == 1) { |
409 if(num != ++checkCounter) { | |
410 System.out.println("LostData" + (num - checkCounter)); | |
411 checkCounter = num; | |
412 } | |
224 | 413 } |
414 } | |
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415 } |