Mercurial > hg > Applications > TreeVNC

annotate src/main/java/com/glavsoft/rfb/protocol/Protocol.java @ 253:4049f353f753

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fixed display size.
author oc
date Mon, 17 Nov 2014 04:58:02 +0900
parents e6abf4b0c92e
children a931be447973
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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.core.SettingsChangedEvent;
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28 import com.glavsoft.exceptions.*;
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29 import com.glavsoft.rfb.*;
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30 import com.glavsoft.rfb.client.ClientToServerMessage;
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31 import com.glavsoft.rfb.client.FramebufferUpdateRequestMessage;
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32 import com.glavsoft.rfb.client.SetEncodingsMessage;
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33 import com.glavsoft.rfb.client.SetPixelFormatMessage;
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34 import com.glavsoft.rfb.encoding.PixelFormat;
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35 import com.glavsoft.rfb.encoding.decoder.DecodersContainer;
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36 import com.glavsoft.rfb.protocol.state.HandshakeState;
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37 import com.glavsoft.rfb.protocol.state.ProtocolState;
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38 import com.glavsoft.transport.Reader;
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39 import com.glavsoft.transport.Writer;
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40
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41 import java.util.logging.Logger;
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42
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43 import jp.ac.u_ryukyu.treevnc.TreeRFBProto;
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44
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45 public class Protocol implements ProtocolContext, IChangeSettingsListener {
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46 private ProtocolState state;
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47 private final Logger logger;
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48 private final IPasswordRetriever passwordRetriever;
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49 private final ProtocolSettings settings;
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50 private int fbWidth;
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51 private int fbHeight;
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52 private PixelFormat pixelFormat;
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53 private final Reader reader;
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54 private final Writer writer;
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55 private String remoteDesktopName;
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56 private MessageQueue messageQueue;
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57 private final DecodersContainer decoders;
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58 private SenderTask senderTask;
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59 private ReceiverTask receiverTask;
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60 private IRfbSessionListener rfbSessionListener;
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61 private IRepaintController repaintController;
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62 private PixelFormat serverPixelFormat;
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63 private Thread senderThread;
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64 private Thread receiverThread;
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65 private boolean isTight;
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66 private String protocolVersion;
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67 private byte[] initData;
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68 private boolean isRetina = false;
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69
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70 public Protocol(Reader reader, Writer writer,
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71 IPasswordRetriever passwordRetriever, ProtocolSettings settings) {
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72 this.reader = reader;
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73 this.writer = writer;
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74 this.passwordRetriever = passwordRetriever;
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75 this.settings = settings;
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76 decoders = new DecodersContainer();
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77 decoders.instantiateDecodersWhenNeeded(settings.encodings);
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78 state = new HandshakeState(this);
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79 logger = Logger.getLogger(getClass().getName());
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80 }
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81
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82
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83 @Override
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84 public void changeStateTo(ProtocolState state) {
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85 this.state = state;
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86 }
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87
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88 public void handshake() throws UnsupportedProtocolVersionException, UnsupportedSecurityTypeException,
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89 AuthenticationFailedException, TransportException, FatalException {
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90 while (state.next()) {
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91 // continue;
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92 }
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93 this.messageQueue = new MessageQueue();
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94 }
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96 @Override
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97 public PixelFormat getPixelFormat() {
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98 return pixelFormat;
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99 }
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100
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101 @Override
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102 public void setPixelFormat(PixelFormat pixelFormat) {
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103 this.pixelFormat = pixelFormat;
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104 if (repaintController != null) {
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105 repaintController.setPixelFormat(pixelFormat);
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106 }
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107 }
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108
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109 @Override
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110 public String getRemoteDesktopName() {
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111 return remoteDesktopName;
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112 }
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113
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114 @Override
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115 public void setRemoteDesktopName(String name) {
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116 remoteDesktopName = name;
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117 }
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118
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119 @Override
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120 public int getFbWidth() {
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121 return fbWidth;
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122 }
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123
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124 @Override
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125 public void setFbWidth(int fbWidth) {
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126 if(!isRetina)
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127 this.fbWidth = fbWidth;
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128 }
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129
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130 @Override
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131 public int getFbHeight() {
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132 return fbHeight;
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133 }
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134
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135 @Override
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136 public byte[] getInitData() {
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137 return initData;
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138 }
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140 @Override
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141 public void setInitData(byte[] initData) {
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142 this.initData = initData;
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143 }
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144
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145 @Override
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146 public void setFbHeight(int fbHeight) {
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147 if(!isRetina)
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148 this.fbHeight = fbHeight;
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149 }
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150
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151 @Override
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152 public IPasswordRetriever getPasswordRetriever() {
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153 return passwordRetriever;
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154 }
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156 @Override
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157 public ProtocolSettings getSettings() {
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158 return settings;
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159 }
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160
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161 @Override
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162 public Writer getWriter() {
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163 return writer;
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164 }
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165
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166 @Override
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167 public Reader getReader() {
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168 return reader;
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169 }
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170
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171 /**
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172 * Following the server initialisation message it's up to the client to send
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173 * whichever protocol messages it wants. Typically it will send a
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174 * SetPixelFormat message and a SetEncodings message, followed by a
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175 * FramebufferUpdateRequest. From then on the server will send
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176 * FramebufferUpdate messages in response to the client's
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177 * FramebufferUpdateRequest messages. The client should send
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178 * FramebufferUpdateRequest messages with incremental set to true when it has
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179 * finished processing one FramebufferUpdate and is ready to process another.
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180 * With a fast client, the rate at which FramebufferUpdateRequests are sent
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181 * should be regulated to avoid hogging the network.
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182 */
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183 public void startNormalHandling(IRfbSessionListener rfbSessionListener,
195
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184 IRepaintController repaintController, ClipboardController clipboardController,
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185 TreeRFBProto rfb)
195
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186 {
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187 receiverTask = new ReceiverTask(
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188 reader, repaintController,
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189 clipboardController,
195
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190 decoders, this, rfb);
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191 startNormalHandling1(rfbSessionListener, repaintController, clipboardController);
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192 }
233
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193
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194 public void startNormalHandling1(IRfbSessionListener rfbSessionListener,
233
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195 IRepaintController repaintController, ClipboardController clipboardController) {
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196 this.rfbSessionListener = rfbSessionListener;
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197 this.repaintController = repaintController;
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198 // if (settings.getColorDepth() == 0) {
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199 // settings.setColorDepth(pixelFormat.depth); // the same the server sent when not initialized yet
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200 // }
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201 serverPixelFormat = pixelFormat;
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202 correctServerPixelFormat();
233
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203 setPixelFormat(createPixelFormat(settings));
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204 sendMessage(new SetPixelFormatMessage(pixelFormat));
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205 logger.fine("sent: " + pixelFormat);
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206
233
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207 sendSupportedEncodingsMessage(settings);
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208 settings.addListener(this); // to support pixel format (color depth), and encodings changes
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209 settings.addListener(repaintController);
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210 sendRefreshMessage();
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211 senderTask = new SenderTask(messageQueue, writer, this);
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212 senderThread = new Thread(senderTask, "RfbSenderTask");
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213 senderThread.start();
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214 decoders.resetDecoders();
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215
233
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216 receiverThread = new Thread(receiverTask, "RfbReceiverTask");
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217 receiverThread.start();
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218 }
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219
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220 private void correctServerPixelFormat() {
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221 // correct true color flag - we don't support color maps, so always set it up
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222 serverPixelFormat.trueColourFlag = 1;
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223 // correct .depth to use actual depth 24 instead of incorrect 32, used by ex. UltraVNC server, that cause
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224 // protocol incompatibility in ZRLE encoding
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225 final long significant = serverPixelFormat.redMax << serverPixelFormat.redShift |
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226 serverPixelFormat.greenMax << serverPixelFormat.greenShift |
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227 serverPixelFormat.blueMax << serverPixelFormat.blueShift;
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228 if (32 == serverPixelFormat.bitsPerPixel &&
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229 ((significant & 0x00ff000000L) == 0 || (significant & 0x000000ffL) == 0) &&
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230 32 == serverPixelFormat.depth) {
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231 serverPixelFormat.depth = 24;
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232 }
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233 }
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234
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235 @Override
233
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236 public void sendMessage(ClientToServerMessage message) {
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237 messageQueue.put(message);
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238 }
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239
233
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240 private void sendSupportedEncodingsMessage(ProtocolSettings settings) {
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241 decoders.instantiateDecodersWhenNeeded(settings.encodings);
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242 SetEncodingsMessage encodingsMessage = new SetEncodingsMessage(settings.encodings);
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243 sendMessage(encodingsMessage);
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244 logger.fine("sent: " + encodingsMessage.toString());
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245 }
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246
233
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247 /**
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248 * create pixel format by bpp
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249 */
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250 private PixelFormat createPixelFormat(ProtocolSettings settings) {
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251 int serverBigEndianFlag = serverPixelFormat.bigEndianFlag;
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252 switch (settings.getColorDepth()) {
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253 case ProtocolSettings.COLOR_DEPTH_24:
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254 return PixelFormat.create24bitColorDepthPixelFormat(serverBigEndianFlag);
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255 case ProtocolSettings.COLOR_DEPTH_16:
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256 return PixelFormat.create16bitColorDepthPixelFormat(serverBigEndianFlag);
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257 case ProtocolSettings.COLOR_DEPTH_8:
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258 return PixelFormat.create8bitColorDepthBGRPixelFormat(serverBigEndianFlag);
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259 case ProtocolSettings.COLOR_DEPTH_6:
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260 return PixelFormat.create6bitColorDepthPixelFormat(serverBigEndianFlag);
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261 case ProtocolSettings.COLOR_DEPTH_3:
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262 return PixelFormat.create3bppPixelFormat(serverBigEndianFlag);
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263 case ProtocolSettings.COLOR_DEPTH_SERVER_SETTINGS:
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264 return serverPixelFormat;
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265 default:
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266 // unsupported bpp, use default
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267 return PixelFormat.create24bitColorDepthPixelFormat(serverBigEndianFlag);
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268 }
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269 }
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270
233
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271 @Override
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272 public void settingsChanged(SettingsChangedEvent e) {
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273 ProtocolSettings settings = (ProtocolSettings) e.getSource();
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274 if (settings.isChangedEncodings()) {
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275 sendSupportedEncodingsMessage(settings);
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276 }
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277 if (settings.isChangedColorDepth() && receiverTask != null) {
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278 receiverTask.queueUpdatePixelFormat(createPixelFormat(settings));
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279 }
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280 }
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281
233
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282 @Override
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283 public void sendRefreshMessage() {
253
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284 sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1920, 1080, false));
233
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285 logger.fine("sent: full FB Refresh");
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286 }
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287
233
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288 @Override
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289 public void cleanUpSession(String message) {
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290 cleanUpSession();
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291 if (message!=null)
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292 rfbSessionListener.rfbSessionStopped(message);
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293 }
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294
233
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295 public synchronized void cleanUpSession() {
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296 if (senderTask != null) {
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297 senderTask.stopTask();
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298 try {
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299 senderThread.join(1000);
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300 } catch (InterruptedException e) {
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301 // nop
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302 }
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303 senderTask = null;
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304 }
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305 stopReceiverTask();
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306 }
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307
233
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308 @Override
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309 public void stopReceiverTask() {
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310 if (receiverTask != null) {
233
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311 receiverTask.stopTask();
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312 try {
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313 receiverThread.join();
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314 } catch (InterruptedException e) {
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315 // nop
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316 }
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317 receiverTask = null;
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318 }
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319 }
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320
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321 @Override
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322 public int getNumberOfRectangle() {
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323 int numberOfRectangles = receiverTask.numberOfRectangles;
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324 return numberOfRectangles;
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325 }
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326
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327 @Override
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328 public void setTight(boolean isTight) {
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329 this.isTight = isTight;
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330 }
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331
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332 @Override
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333 public boolean isTight() {
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334 return isTight;
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335 }
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336
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337 @Override
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338 public void setProtocolVersion(String protocolVersion) {
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339 this.protocolVersion = protocolVersion;
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340 }
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341
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342 @Override
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343 public String getProtocolVersion() {
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344 return protocolVersion;
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345 }
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346
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347
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348
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349
1f7ee648e1f6 inflator in MyRfbProtoProxy should be renew to accept new VNC server socket.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 90
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350 @Override
1f7ee648e1f6 inflator in MyRfbProtoProxy should be renew to accept new VNC server socket.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 90
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351 public void resetDecoder() {
1f7ee648e1f6 inflator in MyRfbProtoProxy should be renew to accept new VNC server socket.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 90
diff changeset
352 decoders.resetDecoders();
1f7ee648e1f6 inflator in MyRfbProtoProxy should be renew to accept new VNC server socket.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 90
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353 }
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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354 }