Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 441:cee43ceac9b3
send thatscreen position INIT_DATA
| author | one |
|---|---|
| date | Thu, 16 Jun 2016 21:08:19 +0900 |
| parents | 4ac83ab4be81 |
| children | 344a35b7c47f |
| rev | line source |
|---|---|
| 32 | 1 package jp.ac.u_ryukyu.treevnc; |
| 28 | 2 |
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3 import com.glavsoft.exceptions.TransportException; |
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4 import com.glavsoft.rfb.client.ClientToServerMessage; |
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5 import com.glavsoft.rfb.encoding.EncodingType; |
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6 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
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7 import com.glavsoft.rfb.protocol.Protocol; |
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8 import com.glavsoft.rfb.protocol.ProtocolContext; |
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9 import com.glavsoft.transport.Reader; |
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10 import com.glavsoft.transport.Writer; |
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11 import com.glavsoft.viewer.ConnectionPresenter; |
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12 import com.glavsoft.viewer.ViewerInterface; |
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13 import com.glavsoft.viewer.swing.ConnectionParams; |
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14 |
| 28 | 15 import java.io.IOException; |
| 206 | 16 import java.io.OutputStream; |
|
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17 import java.io.UnsupportedEncodingException; |
| 291 | 18 import java.net.*; |
| 28 | 19 import java.nio.ByteBuffer; |
| 109 | 20 import java.nio.ByteOrder; |
| 369 | 21 import java.util.Enumeration; |
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22 import java.util.Iterator; |
| 28 | 23 import java.util.LinkedList; |
| 24 import java.util.concurrent.atomic.AtomicInteger; | |
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25 import java.util.zip.DataFormatException; |
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26 import java.util.zip.Deflater; |
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27 import java.util.zip.Inflater; |
| 150 | 28 |
| 124 | 29 |
| 207 | 30 public class TreeRFBProto { |
| 231 | 31 |
| 223 | 32 final static int FramebufferUpdateRequest = 3; |
| 33 final static int CheckDelay = 11; | |
| 34 protected final static int FramebufferUpdate = 0; | |
| 35 protected ProtocolContext context; | |
| 36 private int clients = 0; | |
| 37 public MulticastQueue<LinkedList<ByteBuffer>> multicastqueue = new MulticastQueue<LinkedList<ByteBuffer>>(); | |
| 38 private RequestScreenThread rThread; | |
| 39 public int acceptPort = 0; | |
| 174 | 40 private String myAddress; |
| 223 | 41 private long counter = 0; // packet serial number |
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42 public ServerSocket servSock; |
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43 private static final int INFLATE_BUFSIZE = 1024 * 100; |
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44 private Inflater inflater = new Inflater(); |
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45 private Deflater deflater = new Deflater(); |
| 174 | 46 ViewerInterface viewer; |
| 341 | 47 private short id = 0; // my tree node id ( = 0 in root ), -1 means no parent |
| 174 | 48 private TreeVncCommandChannelListener acceptThread; |
| 49 private TreeRootFinderListener getCast; | |
| 176 | 50 private CreateConnectionParam cp; |
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51 private TreeVNCNetwork nets = new TreeVNCNetwork(); |
| 223 | 52 private TreeVncRootSelectionPanel rootSelectionPanel; |
| 53 private String vncInterface; | |
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54 private TreeManagement treeManager; |
| 231 | 55 public LinkedList<TreeVNCNode> nodeList; |
| 267 | 56 |
| 57 protected boolean readyReconnect = false; | |
| 58 private boolean cuiVersion; | |
| 59 private boolean permitChangeScreen = true; | |
| 60 private boolean leader; | |
| 61 private boolean hasViewer = false; | |
| 62 private boolean normalTermination; | |
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63 |
| 267 | 64 private boolean isTreeManager; |
| 65 public boolean showTreeNode = false; | |
| 240 | 66 public boolean checkDelay = false; |
| 241 | 67 public boolean addSerialNum = false; |
| 257 | 68 public boolean fixingSize = false; |
| 267 | 69 public boolean filterSingleDisplay = false; |
| 257 | 70 public int frameSizeWidth; |
| 71 public int frameSizeHeight; | |
| 72 public int fixingSizeWidth; | |
| 73 public int fixingSizeHeight; | |
| 306 | 74 private int singleWidth = 0; |
| 75 private int singleHeight = 0; | |
| 293 | 76 private DatagramSocket socket = null; |
| 306 | 77 private byte[] originalInitData = null; |
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78 private boolean childrenMulticast = true; |
| 411 | 79 private int retinaScale = 1; |
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80 private int x; |
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81 private int y; |
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82 |
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83 |
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84 public TreeRFBProto(boolean isTreeManager, ViewerInterface viewer) { |
| 223 | 85 rThread = new RequestScreenThread(this); |
| 86 nets.setMyRfb(this); | |
| 87 this.isTreeManager = isTreeManager; | |
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88 this.viewer = viewer; |
| 302 | 89 // this.socket = createSocket(); |
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90 startTreeRootFindThread(); |
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91 } |
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92 |
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93 public void startTreeRootFindThread() { |
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94 if (isTreeManager()) { |
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95 getCast = new TreeRootFinderListener(viewer); |
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96 Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener"); |
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97 treeRootFindThread.start(); |
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98 } |
| 223 | 99 } |
| 100 | |
| 101 public boolean isTreeManager() { | |
| 102 return isTreeManager; | |
| 103 } | |
| 207 | 104 |
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105 public void setIsTreeManager(boolean isTreeManager) { |
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106 this.isTreeManager = isTreeManager; |
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107 } |
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108 |
| 378 | 109 public boolean isAddSerialNum() { |
| 110 return addSerialNum; | |
| 111 } | |
| 112 | |
| 223 | 113 public ProtocolContext getContext() { |
| 114 return context; | |
| 115 } | |
| 116 | |
| 117 /** | |
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118 * handle new client accept |
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119 * it also handle TreeVNC Command |
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120 * |
| 223 | 121 * @param os |
| 122 * @param is | |
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123 * @param intf |
| 223 | 124 * @throws IOException |
| 125 * @throws TransportException | |
| 126 */ | |
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127 public void newClient(final Writer os, final Reader is, final String intf) { |
| 223 | 128 final int myId = clients; |
| 129 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 130 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 131 writerRunning.set(1); | |
| 132 /** | |
| 133 * Timeout thread. If a client is suspended, it has top of queue | |
| 134 * indefinitely, which caused memory overflow. After the timeout, we | |
| 135 * poll the queue and discard it. Start long wait if writer is running. | |
| 136 */ | |
| 137 final Runnable timer = new Runnable() { | |
| 138 public void run() { | |
| 139 int count = 0; | |
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140 for (; ; ) { |
| 223 | 141 long timeout = 50000 / 8; |
| 142 try { | |
| 143 synchronized (this) { | |
| 144 int state, flag; | |
| 145 writerRunning.set(0); | |
| 146 wait(timeout); | |
| 147 flag = 0; | |
| 148 while ((state = writerRunning.get()) == 0) { | |
| 149 c.poll(); // discard, should be timeout | |
| 150 count++; | |
| 151 if (flag == 0) { | |
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152 // System.out.println("Discarding " + myId + " count=" + count); |
| 223 | 153 flag = 1; |
| 154 } | |
| 155 wait(10); // if this is too short, writer cannot | |
| 156 // take the poll, if this is too | |
| 157 // long, memory will overflow... | |
| 158 } | |
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159 // if (flag == 1) |
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160 // System.out.println("Resuming " + myId + " count=" + count); |
| 223 | 161 if (state != 1) { |
| 162 System.out.println("Client died " + myId); | |
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163 // System.out.println("task stop"); |
| 330 | 164 String rootHostName = null; |
| 165 int rootHostPort = 0; | |
| 166 String myHostName = null; | |
| 167 int myHostPort = 0; | |
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168 clients = myId; |
| 385 | 169 if (!isTreeManager) { |
| 330 | 170 rootHostName = getConnectionParam().getHostName(); |
| 171 rootHostPort = getConnectionParam().getPort(); | |
| 172 myHostName = getMyAddress(); | |
| 173 myHostPort = getAcceptPort(); | |
| 385 | 174 TreeVncProtocol echo = new TreeVncProtocol(rootHostName, rootHostPort); |
| 175 echo.lostChild(myHostName, myHostPort, myId); | |
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176 } else { |
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177 getTreeManager(intf).fixLostChild1(myId + 1); |
| 330 | 178 } |
| 223 | 179 break; |
| 180 } | |
| 181 } | |
| 182 } catch (InterruptedException e) { | |
| 325 | 183 e.printStackTrace(); |
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184 System.out.println("timer thread interrupted."); |
| 223 | 185 } |
| 186 } | |
| 187 } | |
| 188 }; | |
| 189 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 190 /** | |
| 191 * handle command from lower node | |
| 192 */ | |
| 193 final Runnable reader = new Runnable() { | |
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194 public void run() { |
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195 for (; ; ) { |
| 223 | 196 try { |
| 197 final byte b[] = new byte[4096]; | |
| 198 final int c = is.readByte(b); | |
| 199 if (c <= 0) | |
| 200 throw new IOException(); | |
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201 // case of root node. |
| 223 | 202 if (isTreeManager()) { |
| 203 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 204 if (permitChangeScreen()) { | |
| 205 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 206 buf.order(ByteOrder.BIG_ENDIAN); | |
| 325 | 207 buf.get(); // padding |
| 257 | 208 buf.get(); |
| 209 short id = buf.getShort(); | |
| 210 int length = buf.getInt(); | |
| 325 | 211 if (length == 0) |
| 212 continue; | |
| 257 | 213 byte[] byteAddress = new byte[length]; |
| 214 buf.get(byteAddress); | |
| 325 | 215 String newHostName = new String(byteAddress, "UTF-8"); |
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216 int x = buf.getInt(); |
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217 int y = buf.getInt(); |
| 257 | 218 int frameSizeWidth = buf.getInt(); |
| 219 int frameSizeHeight = buf.getInt(); | |
| 340 | 220 int port = buf.getInt(); |
| 410 | 221 int scale = buf.getInt(); |
| 340 | 222 System.out.println("Root server change request :" + newHostName + " : " + port); |
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223 changeVNCServer(viewer, newHostName, port, x, y, frameSizeWidth, frameSizeHeight, scale, id, is, os); |
| 223 | 224 } else { |
| 225 continue; | |
| 226 } | |
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227 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
| 293 | 228 int rtpPort = selectPort(ConnectionParams.DEFAULT_RTP_PORT); |
| 229 InetAddress hostname = InetAddress.getLocalHost(); | |
| 230 ReceiveSound receiveSound = new ReceiveSound(socket); | |
| 231 Thread receiveSoundThread = new Thread(receiveSound, "receive-sound"); | |
| 232 receiveSoundThread.start(); | |
| 230 | 233 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 234 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 235 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 236 buf.getShort(); |
| 237 Long time = buf.getLong(); | |
| 238 int port = buf.getInt(); | |
| 239 int addressLength = buf.getInt(); | |
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240 int dataLen = buf.getInt(); |
| 234 | 241 byte[] byteAddress = new byte[addressLength]; |
| 242 buf.get(byteAddress); | |
| 243 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 244 int nodeNum = getNodeNum(port, address); |
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245 if (nodeNum != 0) { |
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246 Long delay = System.currentTimeMillis() - time; |
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247 if (delay > 3000) { |
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248 getTreeManager(intf).fixLostChild1(nodeNum); |
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249 } |
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250 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + delay + ", size : " + dataLen); |
|
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251 } |
| 223 | 252 } |
| 325 | 253 // case of client node. |
| 223 | 254 } else if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { |
| 295 | 255 ClientToServerMessage serverChangeRequest = new ClientToServerMessage() { |
|
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256 @Override |
|
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257 public void send(Writer writer) |
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258 throws TransportException { |
| 325 | 259 writer.write(b, 0, c); |
|
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260 } |
| 223 | 261 }; |
| 295 | 262 context.sendMessage(serverChangeRequest); |
|
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263 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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264 ClientToServerMessage readyShareSound = new ClientToServerMessage() { |
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265 @Override |
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266 public void send(Writer writer) |
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267 throws TransportException { |
| 325 | 268 writer.write(b, 0, c); |
|
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269 } |
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270 }; |
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271 context.sendMessage(readyShareSound); |
| 230 | 272 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 273 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 274 @Override | |
| 275 public void send(Writer writer) | |
| 276 throws TransportException { | |
| 325 | 277 writer.write(b, 0, c); |
| 230 | 278 } |
| 279 }; | |
| 280 context.sendMessage(checkDelayReply); | |
| 223 | 281 } |
| 282 } catch (Exception e) { | |
| 283 try { | |
| 284 writerRunning.set(2); | |
| 285 os.close(); | |
| 286 is.close(); | |
| 287 break; | |
| 367 | 288 } catch (Exception e1) { |
|
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289 System.out.println("cannot close ClientToServerMessage " + e1); |
| 367 | 290 |
| 223 | 291 } |
|
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292 System.out.println("cannot read ClientToServerMessage " + e); |
| 367 | 293 |
| 223 | 294 return; |
| 295 } | |
| 325 | 296 |
| 297 /* | |
| 298 // あとで検討 | |
| 299 } catch (TransportException e) { | |
| 300 | |
| 301 } | |
| 302 */ | |
| 223 | 303 } |
| 304 } | |
| 305 }; | |
| 306 /** | |
| 307 * send packets to a client (one thread for each client ) | |
| 308 */ | |
| 309 Runnable sender = new Runnable() { | |
| 310 public void run() { | |
| 311 writerRunning.set(1); | |
| 312 try { | |
|
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313 requestThreadNotify(); // send full screen request via fullScreenRequestThread |
| 384 | 314 |
| 223 | 315 // after this, we discard upward packet. |
| 239 | 316 new Thread(reader, "upward-packet-processing").start(); |
|
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317 |
|
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318 for (; ; ) { |
| 223 | 319 LinkedList<ByteBuffer> bufs = c.poll(); |
| 320 int inputIndex = 0; | |
| 321 ByteBuffer header = bufs.get(inputIndex); | |
| 322 if (header == null) | |
| 323 continue; | |
| 324 writeToClient(os, bufs, inputIndex); | |
| 325 writerRunning.set(1); // yes my client is awaking. | |
|
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326 if (!childrenMulticast) { |
|
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327 for (; ; ) { |
|
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328 LinkedList<ByteBuffer> flag = c.poll(); |
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329 if (flag.size() == 0) { |
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330 break; |
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331 } |
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332 } |
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333 } |
| 223 | 334 } |
| 335 } catch (Exception e) { | |
| 336 try { | |
| 337 writerRunning.set(2); | |
| 338 os.close(); | |
| 339 } catch (IOException e1) { | |
|
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340 System.out.println("root writer close failed :" + e1); |
| 223 | 341 } |
|
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342 System.out.println("root writer failed :" + e); |
| 223 | 343 /* if socket closed cliList.remove(newCli); */ |
| 344 } | |
| 345 } | |
|
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346 |
| 223 | 347 public void writeToClient(final Writer os, |
|
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348 LinkedList<ByteBuffer> bufs, int inputIndex) |
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349 throws TransportException { |
| 354 | 350 while (inputIndex < bufs.size()) { |
| 223 | 351 ByteBuffer b = bufs.get(inputIndex++); |
| 352 os.write(b.array(), b.position(), b.limit()); | |
| 353 } | |
| 354 os.flush(); | |
| 355 multicastqueue.heapAvailable(); | |
| 356 } | |
| 357 }; | |
| 358 clients++; | |
| 359 new Thread(sender, "writer-to-lower-node").start(); | |
| 360 } | |
|
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361 |
|
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362 public boolean permitChangeScreen() { |
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363 return permitChangeScreen; |
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364 } |
| 223 | 365 |
|
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366 |
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367 public void setPermitChangeScreen(boolean v) { |
| 223 | 368 permitChangeScreen = v; |
|
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369 } |
| 223 | 370 |
| 371 public void requestThreadNotify() { | |
| 372 rThread.reStart(); | |
| 373 } | |
| 374 | |
| 375 | |
| 28 | 376 public void setProtocolContext(Protocol workingProtocol) { |
| 377 context = workingProtocol; | |
| 378 } | |
| 29 | 379 |
|
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380 public Socket accept() throws IOException { |
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381 return servSock.accept(); |
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382 } |
| 31 | 383 |
|
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384 public int selectPort(int p) { |
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385 int port = p; |
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386 while (true) { |
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387 try { |
|
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388 servSock = new ServerSocket(port); |
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389 acceptPort = port; |
| 181 | 390 myAddress = "127.0.0.1"; |
| 207 | 391 nets.getNetworkInterfaces(); |
|
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392 break; |
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393 } catch (BindException e) { |
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394 port++; |
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395 continue; |
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396 } catch (IOException e) { |
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397 |
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398 } |
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399 } |
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400 System.out.println("accept port = " + port); |
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401 return port; |
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402 } |
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403 |
|
33
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diff
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404 |
|
331
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diff
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405 public void writeFramebufferUpdateRequest(int x, int y, int w, int h, boolean incremental) { |
| 223 | 406 byte[] b = new byte[10]; |
| 407 | |
| 408 b[0] = (byte) FramebufferUpdateRequest; // 3 is FrameBufferUpdateRequest | |
| 409 b[1] = (byte) (incremental ? 1 : 0); | |
| 410 b[2] = (byte) ((x >> 8) & 0xff); | |
| 411 b[3] = (byte) (x & 0xff); | |
| 412 b[4] = (byte) ((y >> 8) & 0xff); | |
| 413 b[5] = (byte) (y & 0xff); | |
| 414 b[6] = (byte) ((w >> 8) & 0xff); | |
| 415 b[7] = (byte) (w & 0xff); | |
| 416 b[8] = (byte) ((h >> 8) & 0xff); | |
| 417 b[9] = (byte) (h & 0xff); | |
| 418 } | |
|
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419 |
| 223 | 420 public void setViewer(ViewerInterface v) { |
| 421 viewer = v; | |
| 422 } | |
| 423 | |
| 424 public ViewerInterface getViewer() { | |
| 425 return viewer; | |
| 426 } | |
| 427 | |
| 428 | |
| 429 void sendInitData(OutputStream os) throws IOException { | |
| 430 os.write(context.getInitData()); | |
| 431 } | |
| 432 | |
| 433 | |
| 434 public void setTerminationType(boolean setType) { | |
| 435 normalTermination = setType; | |
| 436 } | |
| 437 | |
| 438 public boolean getTerminationType() { | |
| 439 return normalTermination; | |
| 440 } | |
| 43 | 441 |
| 206 | 442 |
|
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443 public void addHostToSelectionPanel(int port, String hostname, String myHostName) { |
| 223 | 444 if (rootSelectionPanel != null) { |
| 445 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 384 | 446 rootSelectionPanel.visible(); |
| 223 | 447 } |
| 448 } | |
| 43 | 449 |
|
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450 public void createRootSelectionPanel(CreateConnectionParam cp, FindRoot getBcast) { |
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451 rootSelectionPanel = new TreeVncRootSelectionPanel(getBcast); |
| 223 | 452 rootSelectionPanel.setCp(cp); |
|
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453 rootSelectionPanel.visible(); |
| 223 | 454 } |
| 455 | |
|
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456 public void close() { |
| 223 | 457 // none |
| 458 } | |
| 459 | |
| 460 public int getAcceptPort() { | |
| 461 return acceptPort; | |
| 462 } | |
| 463 | |
| 464 public boolean getReadyReconnect() { | |
| 465 return readyReconnect; | |
| 466 } | |
| 65 | 467 |
| 468 | |
| 223 | 469 public boolean getCuiVersion() { |
| 470 return cuiVersion; | |
| 384 | 471 } |
| 66 | 472 |
|
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473 public void setCuiVersion(boolean flag) { |
| 223 | 474 cuiVersion = flag; |
| 475 } | |
| 476 | |
| 477 public void readCheckDelay(Reader reader) throws TransportException { | |
| 478 | |
| 479 } | |
|
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480 |
| 223 | 481 public synchronized void vncConnected(boolean ready) { |
|
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482 enableChildrenTransmission(); |
| 369 | 483 readyReconnect = ready; |
| 484 if (ready) { | |
| 485 notifyAll(); | |
| 223 | 486 } |
|
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487 } |
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488 |
| 369 | 489 public void printNetworkInterface() { |
|
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490 Socket vncSocket = viewer.getVNCSocket(); |
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491 NetworkInterface ni = nets.getInterface(vncSocket); |
|
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492 if (ni != null) { |
|
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493 vncInterface = ni.getName(); |
| 369 | 494 System.out.print("VNCNetworkInterface :" + vncInterface); |
|
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495 if (false) { |
| 370 | 496 Enumeration<InetAddress> addresses = ni.getInetAddresses(); |
| 497 while (addresses.hasMoreElements()) { | |
| 498 InetAddress adr = addresses.nextElement(); | |
| 499 System.out.print(" " + adr); | |
| 500 } | |
| 369 | 501 } |
| 502 System.out.println(); | |
|
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503 } |
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504 } |
|
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|
505 |
| 223 | 506 public void sendDesktopSizeChange(short id) { |
| 507 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
| 508 int width = context.getFbWidth(); | |
| 509 int height = context.getFbHeight(); | |
| 304 | 510 if (filterSingleDisplay) { |
| 353 | 511 originalInitData = createOriginalInitData(singleWidth, singleHeight, context.getRemoteDesktopName()); |
| 441 | 512 desktopSize.add(new ChangeDesktopSize(width, height, x, y, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); |
| 305 | 513 } else { |
| 441 | 514 desktopSize.add(new ChangeDesktopSize(width, height, x, y, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); |
| 304 | 515 } |
| 380 | 516 if (addSerialNum) { |
| 517 addSerialNumber(desktopSize); | |
| 518 } | |
| 223 | 519 multicastqueue.put(desktopSize); |
| 520 } | |
| 98 | 521 |
| 306 | 522 public byte[] createOriginalInitData(int singleWidth, int singleHeight, String remoteDesktopName) { |
| 523 TreeVncCommandChannelListener treeVncCommandChannelListener = new TreeVncCommandChannelListener(this, acceptPort); | |
| 524 byte[] originalInitData = treeVncCommandChannelListener.createOriginalInitData(singleWidth, singleHeight, remoteDesktopName); | |
| 525 return originalInitData; | |
| 526 } | |
| 527 | |
| 223 | 528 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
|
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529 ByteBuffer serialNum = multicastqueue.allocate(4 + 8); // addSerialNum flag + SerialNum |
| 380 | 530 serialNum.putInt(1); |
| 223 | 531 serialNum.putLong(counter++); |
| 532 serialNum.flip(); | |
| 533 bufs.addFirst(serialNum); | |
| 534 } | |
|
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535 |
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536 |
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537 public void resetDecoder() { |
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538 context.resetDecoder(); |
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539 } |
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540 |
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541 public void stopReceiverTask() { |
|
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542 if (context != null) { |
|
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543 context.cleanUpSession(null); |
|
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544 context.getRfb().clearChildrenTransmission(); |
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545 } |
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546 // cleanup zlib decoder for new VNCServer |
| 202 | 547 if (isTreeManager()) |
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548 inflater = new Inflater(); |
|
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549 } |
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550 |
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551 public void clearChildrenTransmission() { |
| 355 | 552 // discarding does not work now. |
| 553 | |
| 554 /* | |
|
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555 // set discard flag |
| 354 | 556 childrenMulticast = false; |
|
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557 // put gurd erement to restart multicastqueue. |
| 354 | 558 multicastqueue.put(new LinkedList<ByteBuffer>()); |
| 355 | 559 */ |
|
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560 } |
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561 |
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562 public void enableChildrenTransmission() { |
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563 // a child senderTask may skip this flag |
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564 // durling write waiting. in this case, remaining bufferes are sent. |
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565 childrenMulticast = true; |
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566 } |
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567 |
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568 public String getMyAddress() { |
| 174 | 569 return myAddress; |
|
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570 } |
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571 |
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572 /** |
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573 * gzip byte arrays |
| 384 | 574 * |
|
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575 * @param deflater |
|
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576 * @param inputs byte data[] |
|
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577 * @param inputIndex |
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578 * @param outputs byte data[] |
|
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579 * @return byte length in last byte array |
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580 * @throws IOException |
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581 */ |
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582 public int zip(Deflater deflater, LinkedList<ByteBuffer> inputs, |
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583 int inputIndex, LinkedList<ByteBuffer> outputs) throws IOException { |
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584 int len = 0; |
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585 ByteBuffer c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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586 while (inputIndex < inputs.size()) { |
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587 ByteBuffer b1 = inputs.get(inputIndex++); |
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588 deflater.setInput(b1.array(), b1.position(), b1.remaining()); |
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589 /** |
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590 * If we finish() stream and reset() it, Deflater start new gzip |
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591 * stream, this makes continuous zlib reader unhappy. if we remove |
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592 * finish(), Deflater.deflate() never flushes its output. The |
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593 * original zlib deflate has flush flag. I'm pretty sure this a kind |
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594 * of bug of Java library. |
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595 */ |
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596 if (inputIndex == inputs.size()) |
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597 deflater.finish(); |
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598 int len1 = 0; |
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599 do { |
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600 len1 = deflater.deflate(c1.array(), c1.position(), |
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601 c1.remaining()); |
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602 if (len1 > 0) { |
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603 len += len1; |
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604 c1.position(c1.position() + len1); |
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605 if (c1.remaining() == 0) { |
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606 c1.flip(); |
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607 outputs.addLast(c1); |
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608 c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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609 } |
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610 } |
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611 } while (len1 > 0 || !deflater.needsInput()); // &&!deflater.finished()); |
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612 } |
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613 if (c1.position() != 0) { |
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614 c1.flip(); |
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615 outputs.addLast(c1); |
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616 } |
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617 deflater.reset(); |
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618 return len; |
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619 } |
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620 |
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621 /** |
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622 * gunzip byte arrays |
| 384 | 623 * |
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624 * @param inflater |
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625 * @param inputs byte data[] |
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626 * @param bytes byte data[] |
|
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627 * @return number of total bytes |
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628 * @throws IOException |
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629 */ |
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630 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
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631 int inputIndex, byte[] bytes, int bufSize) throws DataFormatException { |
| 182 | 632 int position = 0; |
| 633 int limit = bytes.length; | |
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634 while (inputIndex < inputs.size()) { |
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635 ByteBuffer input = inputs.get(inputIndex++); |
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636 inflater.setInput(input.array(), input.position(), input.limit()); |
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637 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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638 // we need this |
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639 // inflater.end(); but this won't work |
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640 do { |
| 318 | 641 int len0; |
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642 len0 = inflater.inflate(bytes, position, limit - position); |
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643 if (len0 > 0) { |
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644 position += len0; |
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645 if (position > limit) throw new DataFormatException(); |
|
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646 } |
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647 } while (!inflater.needsInput()); |
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648 } |
| 182 | 649 return position; |
|
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650 } |
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651 |
|
135
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652 /** |
|
345
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653 * Multicast framebufferUpdate to children. |
|
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654 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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655 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
|
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656 * |
|
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657 * @param dataLen |
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658 * @param reader |
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659 * @throws TransportException |
| 384 | 660 * @throws UnsupportedEncodingException |
|
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661 */ |
| 264 | 662 public void readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
|
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663 throws TransportException, UnsupportedEncodingException { |
|
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664 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
|
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665 int BLOCKSIZE = 64 * 1024; |
|
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666 int headerLen = rect.getEncodingType() == EncodingType.CHECK_DELAY ? 24 : 16; |
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667 ByteBuffer header = multicastqueue.allocate(headerLen); |
|
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668 ByteBuffer serial = multicastqueue.allocate(4 + 8); |
| 378 | 669 if (!isTreeManager() && addSerialNum) { |
|
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670 reader.readBytes(serial.array(), 0, 4 + 8); |
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671 serial.limit(4 + 8); |
| 182 | 672 } |
| 185 | 673 reader.mark(dataLen); |
|
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674 reader.readBytes(header.array(), 0, headerLen); |
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675 header.limit(headerLen); |
|
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676 if (header.get(0) == FramebufferUpdate) { |
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677 int encoding = header.getInt(12); |
| 384 | 678 |
|
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679 if (encoding == EncodingType.ZRLE.getId() |
|
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680 || encoding == EncodingType.ZLIB.getId()) { |
|
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681 // recompress into ZREE |
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682 // uncompressed result is remain in bytes |
|
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683 ByteBuffer len = multicastqueue.allocate(4); |
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684 reader.readBytes(len.array(), 0, 4); |
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685 len.limit(4); |
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686 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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687 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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688 inputData.limit(dataLen - 20); |
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689 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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690 inputs.add(inputData); |
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691 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 692 // recompress |
| 693 // every time | |
|
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694 // using new Deflecter every time is incompatible with the |
|
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695 // protocol, clients have to be modified. |
|
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696 Deflater nDeflater = deflater; // new Deflater(); |
|
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697 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
| 380 | 698 try { |
| 182 | 699 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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700 // dump32(inputs); |
| 182 | 701 out.add(ByteBuffer.wrap(bytes)); |
|
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702 int len2 = zip(nDeflater, out, 0, bufs); |
|
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703 ByteBuffer blen = multicastqueue.allocate(4); |
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704 blen.putInt(len2); |
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705 blen.flip(); |
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706 bufs.addFirst(blen); |
|
415
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707 if (checkDelay) { |
|
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708 bufs = createCheckDelayHeader(bufs, header); |
|
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709 } else { |
|
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|
710 bufs.addFirst(header); |
|
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|
711 } |
| 380 | 712 if (addSerialNum) { |
| 713 addSerialNumber(bufs); | |
| 714 } | |
| 270 | 715 if (filterSingleDisplay) { |
| 275 | 716 if (rect.x < singleWidth) { |
| 270 | 717 multicastqueue.put(bufs); |
| 718 } | |
| 719 } else { | |
| 720 multicastqueue.put(bufs); | |
| 721 } | |
|
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722 } catch (IOException e) { |
|
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723 throw new TransportException(e); |
| 335 | 724 } catch (DataFormatException e) { |
| 725 throw new TransportException(e); | |
|
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726 } |
|
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727 return; |
|
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728 } |
| 233 | 729 |
|
186
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diff
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|
730 // ZRLEE is already compressed |
|
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|
731 bufs.add(header); |
| 380 | 732 if (addSerialNum) { |
| 733 this.addSerialNumber(bufs); | |
| 734 } | |
|
414
3af5f4af2d63
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|
735 if (dataLen > headerLen) { |
|
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|
736 ByteBuffer b = multicastqueue.allocate(dataLen - headerLen); |
|
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|
737 reader.readBytes(b.array(), 0, dataLen - headerLen); |
|
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|
738 b.limit(dataLen - headerLen); |
|
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|
739 bufs.add(b); |
|
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740 } |
|
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741 multicastqueue.put(bufs); |
| 233 | 742 |
|
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|
743 return; |
|
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744 } |
|
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745 // It may be compressed. We can inflate here to avoid repeating clients |
|
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746 // decompressing here, |
|
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747 // but it may generate too many large data. It is better to do it in |
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|
748 // each client. |
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749 // But we have do inflation for all input data, so we have to do it |
|
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|
750 // here. |
|
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|
751 } |
| 124 | 752 |
|
415
5c3635d6ab3c
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parents:
414
diff
changeset
|
753 public LinkedList<ByteBuffer> createCheckDelayHeader(LinkedList<ByteBuffer> checkDelay, ByteBuffer header) { |
|
423
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Fix LostChild for root node
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parents:
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diff
changeset
|
754 int x = (int) header.getShort(4); |
|
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diff
changeset
|
755 int y = (int) header.getShort(6); |
|
ffe01c959cdd
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diff
changeset
|
756 int width = (int) header.getShort(8); |
|
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parents:
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diff
changeset
|
757 int height = (int) header.getShort(10); |
|
414
3af5f4af2d63
Send data size for checkDelay
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parents:
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diff
changeset
|
758 long time = System.currentTimeMillis(); |
|
3af5f4af2d63
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parents:
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diff
changeset
|
759 checkDelay.addFirst(new CheckDelay(x, y, width, height, time, EncodingType.CHECK_DELAY).getMessage()); |
|
415
5c3635d6ab3c
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diff
changeset
|
760 return checkDelay; |
|
414
3af5f4af2d63
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diff
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|
761 } |
|
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diff
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|
762 |
| 223 | 763 public void setId(short id) { |
| 764 this.id = id; | |
| 765 } | |
| 169 | 766 |
| 223 | 767 public short getId() { |
| 768 return id; | |
| 769 } | |
| 169 | 770 |
| 174 | 771 public void setMyAddress(String myHostName) { |
| 772 this.myAddress = myHostName; | |
| 223 | 773 |
| 174 | 774 } |
| 775 | |
| 776 public void setLeader(boolean leader) { | |
| 777 this.leader = leader; | |
| 778 } | |
| 779 | |
| 780 public boolean isLeader() { | |
| 781 return leader; | |
| 782 } | |
| 783 | |
| 203 | 784 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 785 nets.setTreeManager(intf, clients); |
| 174 | 786 } |
| 223 | 787 |
| 203 | 788 public TreeManagement getTreeManager(String intf) { |
|
418
0543c380308c
Move bottleneck Node to outside node list
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parents:
417
diff
changeset
|
789 this.treeManager = nets.getTreeManager(intf); |
|
0543c380308c
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parents:
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diff
changeset
|
790 this.nodeList = treeManager.getList(); |
|
0543c380308c
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parents:
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diff
changeset
|
791 return treeManager; |
| 174 | 792 } |
| 793 | |
| 794 /** | |
|
290
c10e0dee7bbb
add READY_SHARE_SOUND msg, add function of receive READY_SHARE_SOUND msg, add sendSound thread.
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parents:
287
diff
changeset
|
795 * change VNCServer is called when host change. |
|
423
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796 * |
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797 * @param vncProxyService |
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798 * @param hostName HostAddress |
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799 * @param x |
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800 * @param y |
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801 * @param width FrameWidth |
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802 * @param height FrameHeight |
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803 * @param scale |
| 351 | 804 * @param newVNCServerId |
| 382 | 805 * @param is |
| 806 * @param os | |
| 174 | 807 */ |
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808 public void changeVNCServer(ViewerInterface vncProxyService, String hostName, int port, int x, int y, int width, int height, int scale, short newVNCServerId, Reader is, Writer os) |
| 325 | 809 throws IOException { |
| 351 | 810 if (newVNCServerId == -1) { |
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811 // change to the tree vnc root on other network. |
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812 vncProxyService.changeToDirectConnectedServer(hostName, is, os, x, y, width, height, scale); |
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813 return; |
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814 } |
| 342 | 815 // serverChangeの処理 |
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816 vncProxyService.inhelitClients(hostName, newVNCServerId, x, y, width, height, scale); |
| 317 | 817 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 322 | 818 // stop reader stop |
| 174 | 819 } |
| 820 | |
| 821 /** | |
| 822 * start accepting children | |
| 823 * run rootFinderListener if necessary | |
| 824 */ | |
| 176 | 825 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 826 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 827 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 828 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 829 thread.start(); | |
| 176 | 830 } |
| 831 | |
| 174 | 832 public TreeVncCommandChannelListener getAcceptThread() { |
| 833 return acceptThread; | |
| 834 } | |
| 835 | |
| 176 | 836 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
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837 cp = createConnectionParam; |
| 176 | 838 } |
| 839 | |
| 840 public CreateConnectionParam getConnectionParam() { | |
| 841 return cp; | |
| 842 } | |
| 843 | |
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844 public boolean hasViewer() { |
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845 return hasViewer; |
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846 } |
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847 |
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848 public void setHasViewer(boolean b) { |
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849 hasViewer = b; |
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850 } |
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851 |
| 223 | 852 public void setShowTree(boolean showTree) { |
| 240 | 853 this.showTreeNode = showTree; |
| 854 } | |
| 855 | |
| 856 public void setCheckDelay(boolean checkDelay) { | |
| 857 this.checkDelay = checkDelay; | |
| 223 | 858 } |
| 194 | 859 |
| 241 | 860 public void setAddSerialNum(boolean addSerialNum) { |
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861 this.addSerialNum = addSerialNum; |
| 241 | 862 } |
| 863 | |
| 235 | 864 public int getNodeNum(int port, String address) { |
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865 int nodeNum = 0; |
| 384 | 866 |
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867 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext(); ) { |
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868 TreeVNCNode tvn = (TreeVNCNode) i.next(); |
| 235 | 869 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 870 nodeNum = tvn.treeNum; | |
| 871 return nodeNum; | |
| 872 } | |
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873 } |
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874 return nodeNum; |
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875 } |
| 241 | 876 |
| 257 | 877 public void setFixingSize(boolean fixingSize) { |
| 878 this.fixingSize = fixingSize; | |
| 256 | 879 } |
| 267 | 880 |
| 881 public void setFilterSingleDisplay(boolean filterSingleDisplay) { | |
| 882 this.filterSingleDisplay = filterSingleDisplay; | |
| 883 } | |
| 281 | 884 |
| 293 | 885 private DatagramSocket createSocket() { |
| 886 | |
| 887 try { | |
| 888 if (socket == null) { | |
| 889 this.socket = new DatagramSocket(ConnectionParams.DEFAULT_RTP_PORT, InetAddress.getLocalHost()); | |
| 890 } | |
| 891 } catch (SocketException e) { | |
| 892 e.printStackTrace(); | |
| 893 } catch (UnknownHostException e) { | |
| 894 e.printStackTrace(); | |
| 895 } | |
| 896 return socket; | |
| 897 } | |
| 306 | 898 |
| 899 public void setSingleDisplaySize(int singleWidth, int singleHeight) { | |
| 900 this.singleWidth = singleWidth; | |
| 901 this.singleHeight = singleHeight; | |
| 902 } | |
| 903 | |
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904 public int getX() { |
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905 return x; |
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906 } |
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907 |
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908 public int getY() { |
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909 return y; |
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910 } |
| 358 | 911 |
| 306 | 912 public int getSingleWidth() { |
| 913 return singleWidth; | |
| 914 } | |
| 915 | |
| 916 public int getSingleHeight() { | |
| 917 return singleHeight; | |
| 918 } | |
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919 |
| 410 | 920 public int getRetinaScale() { |
| 921 return retinaScale; | |
| 922 } | |
| 923 | |
| 924 | |
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925 public boolean hasParent() { |
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926 return id != -1; |
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927 } |
| 384 | 928 |
| 929 /** | |
| 930 * server change to directed connected server | |
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931 * server maybe on the different network |
| 384 | 932 * so can not in whereToConnect message |
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933 * reuse dynamic connect socket us a new client |
| 384 | 934 * reother server exchange socket when serverChangeRequest with id -1 |
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935 * |
| 384 | 936 * @param previousReader |
| 937 * @param previousWriter | |
| 938 */ | |
| 939 public void exchangeDirectConnectedServer(Reader previousReader, Writer previousWriter) { | |
| 940 String adr = viewer.getRfb().getMyAddress(); | |
| 410 | 941 int scale = viewer.getRfb().getRetinaScale(); |
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942 int x = 0; |
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943 int y = 0; |
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944 ScreenChangeRequest scr = new ScreenChangeRequest(adr, ConnectionParams.DEFAULT_VNC_ROOT, (short) -1, x, y, singleWidth, singleHeight, scale); |
| 384 | 945 try { |
| 946 scr.send(previousWriter); | |
| 947 } catch (TransportException e) { | |
| 948 e.printStackTrace(); | |
| 949 return; | |
| 950 } | |
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951 // newClient(previousWriter, previousReader, null); |
| 384 | 952 } |
| 389 | 953 |
| 954 /** | |
| 955 * Requested server is connected. stop old connection, replace old connection parameter such as | |
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956 * context (PROTOCOL) |
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957 * start new connection and send INIT_DATA |
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958 * |
| 389 | 959 * @param workingProtocol |
| 960 * @param connectionPresenter | |
| 961 */ | |
| 962 public synchronized void newVNCConnection(Protocol workingProtocol, ConnectionPresenter connectionPresenter) { | |
| 963 ProtocolContext previousContext = getContext(); | |
| 964 stopReceiverTask(); | |
| 965 setProtocolContext(workingProtocol); | |
| 966 connectionPresenter.viewer.setConnectionPresenter(connectionPresenter); | |
| 967 connectionPresenter.viewer.getConnectionPresenter().addModel("ConnectionParamsModel", connectionPresenter.getConnectionParams()); | |
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968 this.x = connectionPresenter.getX(); |
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969 this.y = connectionPresenter.getY(); |
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970 this.frameSizeWidth = connectionPresenter.getFrameSizeWidth(); |
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971 this.frameSizeHeight = connectionPresenter.getFrameSizeHeight(); |
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972 this.singleWidth = frameSizeWidth; |
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973 this.singleHeight = frameSizeHeight; |
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974 this.retinaScale = connectionPresenter.getRetinaScale(); |
| 389 | 975 if (previousContext != null && isTreeManager() && hasParent()) { |
| 976 Reader previousReader = previousContext.getReader(); | |
| 977 Writer previousWriter = previousContext.getWriter(); | |
| 424 | 978 // exchangeDirectConnectedServer(previousReader, previousWriter); |
| 389 | 979 } |
| 980 enableChildrenTransmission(); | |
| 981 printNetworkInterface(); | |
| 982 sendDesktopSizeChange(connectionPresenter.getReconnectingId()); | |
| 983 } | |
| 412 | 984 |
| 985 public void sendErrorAnnounce(short reconnectingId, String message) { | |
| 986 LinkedList<ByteBuffer> errorAnnounce = new LinkedList<ByteBuffer>(); | |
| 987 errorAnnounce.add(new ChildNodeAnnounce(EncodingType.ERROR_ANNOUNCE, message.getBytes(), reconnectingId).getMessage()); | |
| 988 if (addSerialNum) { | |
| 989 addSerialNumber(errorAnnounce); | |
| 990 } | |
| 991 multicastqueue.put(errorAnnounce); | |
| 992 } | |
| 441 | 993 |
| 994 public void setX(int x) { | |
| 995 this.x = x; | |
| 996 } | |
| 997 | |
| 998 public void setY(int y) { | |
| 999 this.y = y; | |
| 1000 } | |
| 1001 | |
| 1002 public void setWidth(int width) { | |
| 1003 this.frameSizeWidth = width; | |
| 1004 } | |
| 1005 | |
| 1006 public void setHeight(int height) { | |
| 1007 this.frameSizeHeight = height; | |
| 1008 } | |
| 240 | 1009 } |