Mercurial > hg > Applications > TreeVNC
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 246:5a09805898d2
small fix.
author | one@firefly.cr.ie.u-ryukyu.ac.jp |
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date | Thu, 16 Oct 2014 18:45:48 +0900 |
parents | 0ed7719c1800 |
children | e6abf4b0c92e |
rev | line source |
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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; |
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37 import com.glavsoft.rfb.encoding.decoder.Decoder; |
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38 import com.glavsoft.rfb.encoding.decoder.DecodersContainer; |
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39 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
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40 import com.glavsoft.rfb.encoding.decoder.RichCursorDecoder; |
66 | 41 import com.glavsoft.rfb.encoding.decoder.ZRLEESender; |
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42 import com.glavsoft.transport.Reader; |
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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; |
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47 import java.util.logging.Logger; |
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48 |
230 | 49 import jp.ac.u_ryukyu.treevnc.CheckDelayReply; |
239 | 50 import jp.ac.u_ryukyu.treevnc.SendCheckDelay; |
207 | 51 import jp.ac.u_ryukyu.treevnc.TreeRFBProto; |
206 | 52 import jp.ac.u_ryukyu.treevnc.TreeVncProtocol; |
231 | 53 |
35 | 54 |
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55 public class ReceiverTask implements Runnable { |
224 | 56 private static final byte FRAMEBUFFER_UPDATE = 0; |
57 private static final byte SET_COLOR_MAP_ENTRIES = 1; | |
58 private static final byte BELL = 2; | |
59 private static final byte SERVER_CUT_TEXT = 3; | |
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60 |
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61 |
224 | 62 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
63 private final Reader reader; | |
64 private volatile boolean isRunning = false; | |
65 private Renderer renderer; | |
66 private final IRepaintController repaintController; | |
67 private final ClipboardController clipboardController; | |
68 protected final DecodersContainer decoders; | |
69 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
70 protected final ProtocolContext context; | |
71 protected PixelFormat pixelFormat; | |
72 protected boolean needSendPixelFormat; | |
73 private TreeRFBProto rfb; | |
74 private long checkCounter = 0; | |
239 | 75 private boolean firstTime = true; |
76 | |
224 | 77 |
239 | 78 |
224 | 79 public ReceiverTask(Reader reader, |
35 | 80 IRepaintController repaintController, ClipboardController clipboardController, |
81 DecodersContainer decoders, ProtocolContext context, | |
207 | 82 TreeRFBProto _rfb) { |
224 | 83 rfb = _rfb; |
84 this.reader = reader; | |
85 this.repaintController = repaintController; | |
86 this.clipboardController = clipboardController; | |
87 this.context = context; | |
88 this.decoders = decoders; | |
178
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89 |
224 | 90 Decoder decoder = new ZRLEESender(rfb); |
91 decoders.setDecoderByType(EncodingType.ZLIB, decoder); | |
92 decoders.setDecoderByType(EncodingType.ZRLE, decoder); | |
93 decoders.setDecoderByType(EncodingType.ZRLEE, decoder); | |
94 | |
95 if(!rfb.getCuiVersion()) | |
96 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(),context.getPixelFormat()); | |
97 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); | |
98 if(rfb.isTreeManager()) { | |
99 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); | |
100 connectionFinished(); | |
101 } | |
102 } | |
178
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103 |
224 | 104 @Override |
105 public void run() { | |
106 isRunning = true; | |
107 while (isRunning) { | |
108 try { | |
109 if(! rfb.isTreeManager()) { | |
110 // client has 8byte packet sequence number | |
242 | 111 // add serial number flag (4byte) |
112 reader.mark(20+8+4); | |
113 getLost(reader); //check seq consistency | |
224 | 114 } else { |
115 reader.mark(20); | |
116 } | |
117 byte messageId = reader.readByte(); | |
118 switch (messageId) { | |
119 case FRAMEBUFFER_UPDATE: | |
239 | 120 // logger.fine("Server message: FramebufferUpdate (0)"); |
224 | 121 framebufferUpdateMessage(); |
122 break; | |
123 case SET_COLOR_MAP_ENTRIES: | |
124 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); | |
125 setColorMapEntries(); | |
126 break; | |
127 case BELL: | |
128 logger.fine("Server message: Bell"); | |
239 | 129 // System.out.print("\0007"); |
130 // System.out.flush(); | |
224 | 131 break; |
132 case SERVER_CUT_TEXT: | |
133 logger.fine("Server message: CutText (3)"); | |
134 serverCutText(); | |
135 break; | |
136 default: | |
137 logger.severe("Unsupported server message. Id = " + messageId); | |
138 } | |
139 } catch (TransportException e) { | |
133 | 140 logger.severe("Close session: " + e.getMessage()); |
224 | 141 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) { |
142 System.out.println("task stop"); | |
143 TreeVncProtocol echo = new TreeVncProtocol(rfb.getConnectionParam().getHostName(), rfb.getConnectionParam().getPort()); | |
144 int counter = 3; | |
145 while(counter-- > 0) { | |
146 try { | |
147 if (rfb.isLeader()) { | |
148 echo.lostParent(rfb.getMyAddress(),rfb.getAcceptPort()); | |
149 } | |
145
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150 break; |
133 | 151 } catch (Exception e1) { |
152 logger.severe("Cannot send lostHost: " + e1.getMessage()); | |
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153 sleep(3000); |
133 | 154 } |
224 | 155 } |
156 } | |
157 stopTask(); | |
158 } catch (ProtocolException e) { | |
159 logger.severe(e.getMessage()); | |
160 if (isRunning) { | |
161 context.cleanUpSession(e.getMessage() + "\nConnection closed."); | |
162 } | |
163 stopTask(); | |
164 } catch (CommonException e) { | |
165 logger.severe(e.getMessage()); | |
166 if (isRunning) { | |
167 context.cleanUpSession("Connection closed.."); | |
168 } | |
169 stopTask(); | |
170 } catch (Throwable te) { | |
171 StringWriter sw = new StringWriter(); | |
172 PrintWriter pw = new PrintWriter(sw); | |
173 te.printStackTrace(pw); | |
174 logger.severe(te.getMessage()); | |
175 if (isRunning) { | |
176 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); | |
177 } | |
178 stopTask(); | |
179 } | |
180 } | |
181 } | |
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182 |
224 | 183 private void sleep(int i) { |
184 try { | |
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185 Thread.sleep(i); |
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186 } catch (InterruptedException e) { |
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187 // nothing. |
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188 } |
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189 } |
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190 |
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191 |
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192 private void setColorMapEntries() throws TransportException { |
224 | 193 reader.readByte(); // padding |
194 reader.readUInt16(); // first color index | |
195 int length = reader.readUInt16(); | |
196 while (length-- > 0) { | |
197 reader.readUInt16(); // R | |
198 reader.readUInt16(); // G | |
199 reader.readUInt16(); // B | |
200 } | |
201 } | |
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202 |
224 | 203 private void serverCutText() throws TransportException { |
204 reader.readByte(); // padding | |
205 reader.readInt16(); // padding | |
206 int length = reader.readInt32() & Integer.MAX_VALUE; | |
207 clipboardController.updateSystemClipboard(reader.readBytes(length)); | |
208 } | |
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209 |
224 | 210 public void framebufferUpdateMessage() throws CommonException, UnsupportedEncodingException { |
211 reader.readByte(); // padding | |
212 int numberOfRectangles = reader.readUInt16(); | |
239 | 213 |
240 | 214 if(rfb.isTreeManager() && firstTime && rfb.checkDelay) { |
239 | 215 SendCheckDelay sendCheckDelay = new SendCheckDelay(rfb); |
216 Thread sendCheckDelayThread = new Thread(sendCheckDelay, "send-check-delay"); | |
217 sendCheckDelayThread.start(); | |
218 this.firstTime = false; | |
219 } | |
220 | |
224 | 221 while (numberOfRectangles-- > 0) { |
222 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); | |
223 rect.fill(reader); | |
224 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); | |
225 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); | |
226 if (decoder != null) { | |
227 decoder.decode(reader, renderer, rect); // TreeVNC processing here | |
228 if(!(rfb.getCuiVersion())) | |
229 repaintController.repaintBitmap(rect); | |
230 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { | |
231 RichCursorDecoder.getInstance().decode(reader, renderer, rect); | |
232 if(repaintController!=null) | |
233 repaintController.repaintCursor(); | |
234 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { | |
235 renderer.decodeCursorPosition(rect); | |
236 repaintController.repaintCursor(); | |
237 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE || rect.getEncodingType() == EncodingType.INIT_DATA ) { | |
238 fullscreenFbUpdateIncrementalRequest = | |
239 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true); | |
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240 rfb.setCuiVersion(false); |
171 | 241 boolean visible = true; |
164 | 242 if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
224 | 243 int length = reader.readInt32(); |
244 byte[] initData = new byte[length]; | |
245 reader.read(initData); | |
246 String name = new String(initData, 24, length - 24, "UTF-8"); | |
247 rfb.getContext().setRemoteDesktopName(name); | |
248 rfb.getContext().setInitData(initData); | |
249 repaintController.updateRemoteDesktopName(rfb.getContext()); | |
250 reader.reset(); | |
251 rfb.readSendData(length + 20, reader, null ); // size of UpdateRectangleMessage with initData. | |
252 short id = (short) rect.x; | |
253 visible = (id != rfb.getId()); | |
164 | 254 } |
171 | 255 synchronized (renderer.getLock()) { |
224 | 256 if(!(rfb.getCuiVersion())) |
257 renderer = repaintController.createRenderer(reader, rect.width, rect.height,context.getPixelFormat()); | |
171 | 258 } |
259 if (rect.getEncodingType() == EncodingType.INIT_DATA) { | |
224 | 260 repaintController.setVisible(visible); |
171 | 261 } |
262 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false)); | |
224 | 263 // repaintController.repaintCursor(); |
227
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264 } else if (rect.getEncodingType() == EncodingType.CHECK_DELAY) { |
242 | 265 int checkDelaySize = 24; |
229
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266 reader.reset(); |
237 | 267 rfb.readSendData(checkDelaySize, reader, null); |
234 | 268 int port = rfb.acceptPort; |
269 String address = rfb.getMyAddress(); | |
270 sendCheckDelayReply(rect.time, port, address); | |
224 | 271 } else |
272 throw new CommonException("Unprocessed encoding: " + rect.toString()); | |
273 } | |
239 | 274 |
275 if (!rfb.isTreeManager()) { | |
276 return; | |
277 } | |
224 | 278 synchronized (this) { |
279 if (needSendPixelFormat) { | |
280 needSendPixelFormat = false; | |
281 context.setPixelFormat(pixelFormat); | |
282 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); | |
283 logger.fine("sent: "+pixelFormat); | |
284 context.sendRefreshMessage(); | |
285 logger.fine("sent: nonincremental fb update"); | |
286 } else { | |
287 context.sendMessage(fullscreenFbUpdateIncrementalRequest); | |
288 } | |
289 } | |
290 } | |
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291 |
234 | 292 private void sendCheckDelayReply(long time, int port, String address) throws UnsupportedEncodingException { |
293 context.sendMessage(new CheckDelayReply(time, port, address)); | |
233 | 294 |
230 | 295 } |
296 | |
224 | 297 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
298 pixelFormat = pf; | |
299 needSendPixelFormat = true; | |
300 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); | |
301 } | |
302 | |
303 public void stopTask() { | |
304 isRunning = false; | |
305 } | |
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
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306 |
224 | 307 private void connectionFinished() { |
308 rfb.vncConnected(true); | |
309 } | |
310 | |
311 private void getLost(Reader reader) throws Exception { | |
242 | 312 int addSerialNumFlag = reader.readInt32(); |
224 | 313 long num = reader.readInt64(); |
243 | 314 if (addSerialNumFlag == 1) { |
315 rfb.setAddSerialNum(true); | |
316 if(num != ++checkCounter) { | |
317 System.out.println("LostData" + (num - checkCounter)); | |
318 checkCounter = num; | |
319 } | |
224 | 320 } |
321 } | |
0
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create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
322 } |