Mercurial > hg > trac > TreeVNC > TreeVNC
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 125:32c6563492f3
add vnc protocol command sender.
author | oc |
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date | Thu, 05 Jun 2014 18:30:45 +0900 |
parents | 01c0fd20c0b4 |
children | 70cbec526039 |
rev | line source |
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version2.7.2 original version.
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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; |
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46 import java.util.logging.Logger; |
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47 |
35 | 48 import jp.ac.u_ryukyu.treevnc.MyRfbProto; |
125 | 49 import jp.ac.u_ryukyu.treevnc.client.TreeVncProtocol; |
35 | 50 |
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51 public class ReceiverTask implements Runnable { |
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52 private static final byte FRAMEBUFFER_UPDATE = 0; |
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53 private static final byte SET_COLOR_MAP_ENTRIES = 1; |
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54 private static final byte BELL = 2; |
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55 private static final byte SERVER_CUT_TEXT = 3; |
66 | 56 private static final byte Check_Delay = 11; |
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57 |
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58 |
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59 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
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60 private final Reader reader; |
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61 private volatile boolean isRunning = false; |
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62 private Renderer renderer; |
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63 private final IRepaintController repaintController; |
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64 private final ClipboardController clipboardController; |
16 | 65 protected final DecodersContainer decoders; |
66 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
67 protected final ProtocolContext context; | |
23 | 68 protected PixelFormat pixelFormat; |
69 protected boolean needSendPixelFormat; | |
35 | 70 private MyRfbProto rfb; |
66 | 71 private long checkCounter = 0; |
35 | 72 |
73 public ReceiverTask(Reader reader, | |
74 IRepaintController repaintController, ClipboardController clipboardController, | |
75 DecodersContainer decoders, ProtocolContext context, | |
76 MyRfbProto _rfb) { | |
77 rfb = _rfb; | |
65 | 78 this.reader = reader; |
79 this.repaintController = repaintController; | |
80 this.clipboardController = clipboardController; | |
81 this.context = context; | |
82 this.decoders = decoders; | |
83 if(!rfb.getCuiVersion()) | |
84 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(),context.getPixelFormat()); | |
85 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); | |
103 | 86 if(rfb.isRoot()) { |
56 | 87 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); |
61
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88 connectionFinished(); |
56 | 89 } |
35 | 90 } |
91 | |
16 | 92 |
93 public ReceiverTask(Reader reader, | |
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94 IRepaintController repaintController, ClipboardController clipboardController, |
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95 DecodersContainer decoders, ProtocolContext context) { |
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96 this.reader = reader; |
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97 this.repaintController = repaintController; |
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98 this.clipboardController = clipboardController; |
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99 this.context = context; |
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100 this.decoders = decoders; |
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101 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(), |
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102 context.getPixelFormat()); |
63 | 103 fullscreenFbUpdateIncrementalRequest = |
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104 new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); |
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105 } |
16 | 106 |
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107 @Override |
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108 public void run() { |
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109 isRunning = true; |
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110 while (isRunning) { |
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111 try { |
103 | 112 if(! rfb.isRoot()) { |
113 // client has 8byte packet sequence number | |
68 | 114 reader.mark(28); |
103 | 115 getLost(reader); //check seq consistency |
68 | 116 } else { |
66 | 117 reader.mark(20); |
68 | 118 } |
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119 byte messageId = reader.readByte(); |
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120 switch (messageId) { |
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121 case FRAMEBUFFER_UPDATE: |
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122 // logger.fine("Server message: FramebufferUpdate (0)"); |
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123 framebufferUpdateMessage(); |
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124 break; |
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125 case SET_COLOR_MAP_ENTRIES: |
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126 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); |
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127 setColorMapEntries(); |
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128 break; |
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129 case BELL: |
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130 logger.fine("Server message: Bell"); |
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131 // System.out.print("\0007"); |
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132 // System.out.flush(); |
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133 break; |
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134 case SERVER_CUT_TEXT: |
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135 logger.fine("Server message: CutText (3)"); |
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136 serverCutText(); |
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137 break; |
66 | 138 case Check_Delay: |
139 ZRLEESender sender = new ZRLEESender(rfb); | |
140 sender.readCheckDelay(reader); | |
141 /* | |
142 reader.readBytes(15); | |
143 System.out.println("delay_time="+(System.currentTimeMillis() - reader.readInt64())); | |
144 */ | |
145 break; | |
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146 default: |
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147 logger.severe("Unsupported server message. Id = " + messageId); |
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148 } |
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149 } catch (TransportException e) { |
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150 logger.severe("Close session: " + e.getMessage()); |
103 | 151 if(!rfb.isRoot() && !(rfb.getTerminationType())) { |
35 | 152 System.out.println("task stop"); |
103 | 153 int counter = 0; // static int ? |
125 | 154 TreeVncProtocol echo = rfb.getEcho(); |
42 | 155 echo.openport(); |
36 | 156 while(true) { |
52 | 157 // after set time out. not counter. |
36 | 158 if(counter > 3) { |
159 echo.notfoundParent(); | |
160 } | |
161 if(echo.lostHost()) break; | |
44 | 162 counter++; |
36 | 163 } |
35 | 164 } else if (isRunning) { |
54 | 165 // logger.severe("Close proxy: "); |
166 // context.cleanUpSession("Connection closed."); | |
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167 } |
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168 stopTask(); |
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169 } catch (ProtocolException e) { |
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170 logger.severe(e.getMessage()); |
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171 if (isRunning) { |
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172 context.cleanUpSession(e.getMessage() + "\nConnection closed."); |
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173 } |
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174 stopTask(); |
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175 } catch (CommonException e) { |
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176 logger.severe(e.getMessage()); |
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177 if (isRunning) { |
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178 context.cleanUpSession("Connection closed.."); |
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179 } |
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180 stopTask(); |
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181 } catch (Throwable te) { |
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182 StringWriter sw = new StringWriter(); |
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183 PrintWriter pw = new PrintWriter(sw); |
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184 te.printStackTrace(pw); |
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185 if (isRunning) { |
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186 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); |
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187 } |
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188 stopTask(); |
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189 } |
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190 } |
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191 } |
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192 |
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193 private void setColorMapEntries() throws TransportException { |
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194 reader.readByte(); // padding |
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195 reader.readUInt16(); // first color index |
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196 int length = reader.readUInt16(); |
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197 while (length-- > 0) { |
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198 reader.readUInt16(); // R |
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199 reader.readUInt16(); // G |
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200 reader.readUInt16(); // B |
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201 } |
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202 } |
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203 |
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204 private void serverCutText() throws TransportException { |
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205 reader.readByte(); // padding |
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206 reader.readInt16(); // padding |
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207 int length = reader.readInt32() & Integer.MAX_VALUE; |
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208 clipboardController.updateSystemClipboard(reader.readBytes(length)); |
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209 } |
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210 |
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211 public void framebufferUpdateMessage() throws CommonException { |
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212 reader.readByte(); // padding |
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213 int numberOfRectangles = reader.readUInt16(); |
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214 while (numberOfRectangles-- > 0) { |
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215 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); |
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216 rect.fill(reader); |
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217 |
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218 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); |
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219 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); |
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220 if (decoder != null) { |
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221 decoder.decode(reader, renderer, rect); |
65 | 222 if(!(rfb.getCuiVersion())) |
223 repaintController.repaintBitmap(rect); | |
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224 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
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225 RichCursorDecoder.getInstance().decode(reader, renderer, rect); |
65 | 226 if(repaintController!=null) |
227 repaintController.repaintCursor(); | |
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228 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { |
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229 renderer.decodeCursorPosition(rect); |
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230 repaintController.repaintCursor(); |
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231 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE) { |
106
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232 fullscreenFbUpdateIncrementalRequest = |
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233 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true); |
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234 rfb.setCuiVersion(false); |
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235 synchronized (renderer.getLock()) { |
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236 if(!(rfb.getCuiVersion())) |
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237 renderer = repaintController.createRenderer(reader, rect.width, rect.height,context.getPixelFormat()); |
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238 } |
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239 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false)); |
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240 // repaintController.repaintCursor(); |
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241 } else |
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242 throw new CommonException("Unprocessed encoding: " + rect.toString()); |
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243 } |
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244 synchronized (this) { |
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245 if (needSendPixelFormat) { |
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246 needSendPixelFormat = false; |
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247 context.setPixelFormat(pixelFormat); |
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248 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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249 logger.fine("sent: "+pixelFormat); |
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250 context.sendRefreshMessage(); |
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251 logger.fine("sent: nonincremental fb update"); |
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252 } else { |
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253 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
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254 } |
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255 } |
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256 } |
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257 |
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258 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
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259 pixelFormat = pf; |
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260 needSendPixelFormat = true; |
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261 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); |
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262 } |
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263 |
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264 public void stopTask() { |
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265 isRunning = false; |
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266 } |
61
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267 |
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268 private void connectionFinished() { |
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269 rfb.setReadyReconnect(true); |
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270 } |
66 | 271 |
89 | 272 private void getLost(Reader reader) throws Exception { |
273 long num = reader.readInt64(); | |
274 if(num != ++checkCounter) { | |
275 System.out.println("LostData" + (num - checkCounter)); | |
276 checkCounter = num; | |
66 | 277 } |
278 } | |
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279 } |