Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 243:0ed7719c1800
fix serial number option.
| author | oc |
|---|---|
| date | Mon, 13 Oct 2014 17:39:36 +0900 |
| parents | a640cd7001e1 |
| children | 5a09805898d2 |
| rev | line source |
|---|---|
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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; |
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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; |
| 240 | 43 import com.glavsoft.viewer.TreeViewer; |
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44 |
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45 import java.io.PrintWriter; |
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46 import java.io.StringWriter; |
| 167 | 47 import java.io.UnsupportedEncodingException; |
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48 import java.util.logging.Logger; |
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49 |
| 230 | 50 import jp.ac.u_ryukyu.treevnc.CheckDelayReply; |
| 239 | 51 import jp.ac.u_ryukyu.treevnc.SendCheckDelay; |
| 207 | 52 import jp.ac.u_ryukyu.treevnc.TreeRFBProto; |
| 206 | 53 import jp.ac.u_ryukyu.treevnc.TreeVncProtocol; |
| 231 | 54 |
| 35 | 55 |
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56 public class ReceiverTask implements Runnable { |
| 224 | 57 private static final byte FRAMEBUFFER_UPDATE = 0; |
| 58 private static final byte SET_COLOR_MAP_ENTRIES = 1; | |
| 59 private static final byte BELL = 2; | |
| 60 private static final byte SERVER_CUT_TEXT = 3; | |
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61 |
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62 |
| 224 | 63 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
| 64 private final Reader reader; | |
| 65 private volatile boolean isRunning = false; | |
| 66 private Renderer renderer; | |
| 67 private final IRepaintController repaintController; | |
| 68 private final ClipboardController clipboardController; | |
| 69 protected final DecodersContainer decoders; | |
| 70 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
| 71 protected final ProtocolContext context; | |
| 72 protected PixelFormat pixelFormat; | |
| 73 protected boolean needSendPixelFormat; | |
| 74 private TreeRFBProto rfb; | |
| 75 private long checkCounter = 0; | |
| 239 | 76 private boolean firstTime = true; |
| 77 | |
| 224 | 78 |
| 239 | 79 |
| 224 | 80 public ReceiverTask(Reader reader, |
| 35 | 81 IRepaintController repaintController, ClipboardController clipboardController, |
| 82 DecodersContainer decoders, ProtocolContext context, | |
| 207 | 83 TreeRFBProto _rfb) { |
| 224 | 84 rfb = _rfb; |
| 85 this.reader = reader; | |
| 86 this.repaintController = repaintController; | |
| 87 this.clipboardController = clipboardController; | |
| 88 this.context = context; | |
| 89 this.decoders = decoders; | |
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90 |
| 224 | 91 Decoder decoder = new ZRLEESender(rfb); |
| 92 decoders.setDecoderByType(EncodingType.ZLIB, decoder); | |
| 93 decoders.setDecoderByType(EncodingType.ZRLE, decoder); | |
| 94 decoders.setDecoderByType(EncodingType.ZRLEE, decoder); | |
| 95 | |
| 96 if(!rfb.getCuiVersion()) | |
| 97 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(),context.getPixelFormat()); | |
| 98 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); | |
| 99 if(rfb.isTreeManager()) { | |
| 100 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); | |
| 101 connectionFinished(); | |
| 102 } | |
| 103 } | |
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104 |
| 224 | 105 @Override |
| 106 public void run() { | |
| 107 isRunning = true; | |
| 108 while (isRunning) { | |
| 109 try { | |
| 110 if(! rfb.isTreeManager()) { | |
| 111 // client has 8byte packet sequence number | |
| 242 | 112 // add serial number flag (4byte) |
| 113 reader.mark(20+8+4); | |
| 114 getLost(reader); //check seq consistency | |
| 224 | 115 } else { |
| 116 reader.mark(20); | |
| 117 } | |
| 118 byte messageId = reader.readByte(); | |
| 119 switch (messageId) { | |
| 120 case FRAMEBUFFER_UPDATE: | |
| 239 | 121 // logger.fine("Server message: FramebufferUpdate (0)"); |
| 224 | 122 framebufferUpdateMessage(); |
| 123 break; | |
| 124 case SET_COLOR_MAP_ENTRIES: | |
| 125 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); | |
| 126 setColorMapEntries(); | |
| 127 break; | |
| 128 case BELL: | |
| 129 logger.fine("Server message: Bell"); | |
| 239 | 130 // System.out.print("\0007"); |
| 131 // System.out.flush(); | |
| 224 | 132 break; |
| 133 case SERVER_CUT_TEXT: | |
| 134 logger.fine("Server message: CutText (3)"); | |
| 135 serverCutText(); | |
| 136 break; | |
| 137 default: | |
| 138 logger.severe("Unsupported server message. Id = " + messageId); | |
| 139 } | |
| 140 } catch (TransportException e) { | |
| 133 | 141 logger.severe("Close session: " + e.getMessage()); |
| 224 | 142 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) { |
| 143 System.out.println("task stop"); | |
| 144 TreeVncProtocol echo = new TreeVncProtocol(rfb.getConnectionParam().getHostName(), rfb.getConnectionParam().getPort()); | |
| 145 int counter = 3; | |
| 146 while(counter-- > 0) { | |
| 147 try { | |
| 148 if (rfb.isLeader()) { | |
| 149 echo.lostParent(rfb.getMyAddress(),rfb.getAcceptPort()); | |
| 150 } | |
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151 break; |
| 133 | 152 } catch (Exception e1) { |
| 153 logger.severe("Cannot send lostHost: " + e1.getMessage()); | |
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154 sleep(3000); |
| 133 | 155 } |
| 224 | 156 } |
| 157 } else if (isRunning) { | |
| 158 // logger.severe("Close proxy: "); | |
| 159 // context.cleanUpSession("Connection closed."); | |
| 160 } | |
| 161 stopTask(); | |
| 162 } catch (ProtocolException e) { | |
| 163 logger.severe(e.getMessage()); | |
| 164 if (isRunning) { | |
| 165 context.cleanUpSession(e.getMessage() + "\nConnection closed."); | |
| 166 } | |
| 167 stopTask(); | |
| 168 } catch (CommonException e) { | |
| 169 logger.severe(e.getMessage()); | |
| 170 if (isRunning) { | |
| 171 context.cleanUpSession("Connection closed.."); | |
| 172 } | |
| 173 stopTask(); | |
| 174 } catch (Throwable te) { | |
| 175 StringWriter sw = new StringWriter(); | |
| 176 PrintWriter pw = new PrintWriter(sw); | |
| 177 te.printStackTrace(pw); | |
| 178 logger.severe(te.getMessage()); | |
| 179 if (isRunning) { | |
| 180 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); | |
| 181 } | |
| 182 stopTask(); | |
| 183 } | |
| 184 } | |
| 185 } | |
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186 |
| 224 | 187 private void sleep(int i) { |
| 188 try { | |
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189 Thread.sleep(i); |
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190 } catch (InterruptedException e) { |
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191 // nothing. |
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192 } |
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193 } |
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194 |
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195 |
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196 private void setColorMapEntries() throws TransportException { |
| 224 | 197 reader.readByte(); // padding |
| 198 reader.readUInt16(); // first color index | |
| 199 int length = reader.readUInt16(); | |
| 200 while (length-- > 0) { | |
| 201 reader.readUInt16(); // R | |
| 202 reader.readUInt16(); // G | |
| 203 reader.readUInt16(); // B | |
| 204 } | |
| 205 } | |
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206 |
| 224 | 207 private void serverCutText() throws TransportException { |
| 208 reader.readByte(); // padding | |
| 209 reader.readInt16(); // padding | |
| 210 int length = reader.readInt32() & Integer.MAX_VALUE; | |
| 211 clipboardController.updateSystemClipboard(reader.readBytes(length)); | |
| 212 } | |
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213 |
| 224 | 214 public void framebufferUpdateMessage() throws CommonException, UnsupportedEncodingException { |
| 215 reader.readByte(); // padding | |
| 216 int numberOfRectangles = reader.readUInt16(); | |
| 239 | 217 |
| 240 | 218 if(rfb.isTreeManager() && firstTime && rfb.checkDelay) { |
| 239 | 219 SendCheckDelay sendCheckDelay = new SendCheckDelay(rfb); |
| 220 Thread sendCheckDelayThread = new Thread(sendCheckDelay, "send-check-delay"); | |
| 221 sendCheckDelayThread.start(); | |
| 222 this.firstTime = false; | |
| 223 } | |
| 224 | |
| 224 | 225 while (numberOfRectangles-- > 0) { |
| 226 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); | |
| 227 rect.fill(reader); | |
| 228 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); | |
| 229 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); | |
| 230 if (decoder != null) { | |
| 231 decoder.decode(reader, renderer, rect); // TreeVNC processing here | |
| 232 if(!(rfb.getCuiVersion())) | |
| 233 repaintController.repaintBitmap(rect); | |
| 234 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { | |
| 235 RichCursorDecoder.getInstance().decode(reader, renderer, rect); | |
| 236 if(repaintController!=null) | |
| 237 repaintController.repaintCursor(); | |
| 238 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { | |
| 239 renderer.decodeCursorPosition(rect); | |
| 240 repaintController.repaintCursor(); | |
| 241 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE || rect.getEncodingType() == EncodingType.INIT_DATA ) { | |
| 242 fullscreenFbUpdateIncrementalRequest = | |
| 243 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true); | |
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244 rfb.setCuiVersion(false); |
| 171 | 245 boolean visible = true; |
| 164 | 246 if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
| 224 | 247 int length = reader.readInt32(); |
| 248 byte[] initData = new byte[length]; | |
| 249 reader.read(initData); | |
| 250 String name = new String(initData, 24, length - 24, "UTF-8"); | |
| 251 rfb.getContext().setRemoteDesktopName(name); | |
| 252 rfb.getContext().setInitData(initData); | |
| 253 repaintController.updateRemoteDesktopName(rfb.getContext()); | |
| 254 reader.reset(); | |
| 255 rfb.readSendData(length + 20, reader, null ); // size of UpdateRectangleMessage with initData. | |
| 256 short id = (short) rect.x; | |
| 257 visible = (id != rfb.getId()); | |
| 164 | 258 } |
| 171 | 259 synchronized (renderer.getLock()) { |
| 224 | 260 if(!(rfb.getCuiVersion())) |
| 261 renderer = repaintController.createRenderer(reader, rect.width, rect.height,context.getPixelFormat()); | |
| 171 | 262 } |
| 263 if (rect.getEncodingType() == EncodingType.INIT_DATA) { | |
| 224 | 264 repaintController.setVisible(visible); |
| 171 | 265 } |
| 266 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false)); | |
| 224 | 267 // repaintController.repaintCursor(); |
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268 } else if (rect.getEncodingType() == EncodingType.CHECK_DELAY) { |
| 242 | 269 int checkDelaySize = 24; |
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270 reader.reset(); |
| 237 | 271 rfb.readSendData(checkDelaySize, reader, null); |
| 234 | 272 int port = rfb.acceptPort; |
| 273 String address = rfb.getMyAddress(); | |
| 274 sendCheckDelayReply(rect.time, port, address); | |
| 224 | 275 } else |
| 276 throw new CommonException("Unprocessed encoding: " + rect.toString()); | |
| 277 } | |
| 239 | 278 |
| 279 if (!rfb.isTreeManager()) { | |
| 280 return; | |
| 281 } | |
| 224 | 282 synchronized (this) { |
| 283 if (needSendPixelFormat) { | |
| 284 needSendPixelFormat = false; | |
| 285 context.setPixelFormat(pixelFormat); | |
| 286 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); | |
| 287 logger.fine("sent: "+pixelFormat); | |
| 288 context.sendRefreshMessage(); | |
| 289 logger.fine("sent: nonincremental fb update"); | |
| 290 } else { | |
| 291 context.sendMessage(fullscreenFbUpdateIncrementalRequest); | |
| 292 } | |
| 293 } | |
| 294 } | |
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295 |
| 234 | 296 private void sendCheckDelayReply(long time, int port, String address) throws UnsupportedEncodingException { |
| 297 context.sendMessage(new CheckDelayReply(time, port, address)); | |
| 233 | 298 |
| 230 | 299 } |
| 300 | |
| 224 | 301 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
| 302 pixelFormat = pf; | |
| 303 needSendPixelFormat = true; | |
| 304 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); | |
| 305 } | |
| 306 | |
| 307 public void stopTask() { | |
| 308 isRunning = false; | |
| 309 } | |
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310 |
| 224 | 311 private void connectionFinished() { |
| 312 rfb.vncConnected(true); | |
| 313 } | |
| 314 | |
| 315 private void getLost(Reader reader) throws Exception { | |
| 242 | 316 int addSerialNumFlag = reader.readInt32(); |
| 224 | 317 long num = reader.readInt64(); |
| 243 | 318 if (addSerialNumFlag == 1) { |
| 319 rfb.setAddSerialNum(true); | |
| 320 if(num != ++checkCounter) { | |
| 321 System.out.println("LostData" + (num - checkCounter)); | |
| 322 checkCounter = num; | |
| 323 } | |
| 224 | 324 } |
| 325 } | |
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parents:
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326 } |