Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 414:3af5f4af2d63
Send data size for checkDelay
| author | Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 24 Nov 2015 02:18:51 +0900 |
| parents | 372532ae5f4d |
| children | 5c3635d6ab3c |
| rev | line source |
|---|---|
| 32 | 1 package jp.ac.u_ryukyu.treevnc; |
| 28 | 2 |
| 3 import java.io.IOException; | |
| 206 | 4 import java.io.OutputStream; |
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5 import java.io.UnsupportedEncodingException; |
| 291 | 6 import java.net.*; |
| 28 | 7 import java.nio.ByteBuffer; |
| 109 | 8 import java.nio.ByteOrder; |
| 369 | 9 import java.util.Enumeration; |
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10 import java.util.Iterator; |
| 28 | 11 import java.util.LinkedList; |
| 12 import java.util.concurrent.atomic.AtomicInteger; | |
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13 import java.util.zip.DataFormatException; |
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14 import java.util.zip.Deflater; |
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15 import java.util.zip.Inflater; |
| 150 | 16 |
| 28 | 17 import com.glavsoft.exceptions.TransportException; |
| 107 | 18 import com.glavsoft.rfb.client.ClientToServerMessage; |
| 96 | 19 import com.glavsoft.rfb.encoding.EncodingType; |
| 264 | 20 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
| 28 | 21 import com.glavsoft.rfb.protocol.Protocol; |
| 22 import com.glavsoft.rfb.protocol.ProtocolContext; | |
| 23 import com.glavsoft.transport.Reader; | |
| 24 import com.glavsoft.transport.Writer; | |
| 389 | 25 import com.glavsoft.viewer.ConnectionPresenter; |
| 153 | 26 import com.glavsoft.viewer.ViewerInterface; |
| 174 | 27 import com.glavsoft.viewer.swing.ConnectionParams; |
| 28 | 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; | |
| 231 | 54 public LinkedList<TreeVNCNode> nodeList; |
| 267 | 55 |
| 56 protected boolean readyReconnect = false; | |
| 57 private boolean cuiVersion; | |
| 58 private boolean permitChangeScreen = true; | |
| 59 private boolean leader; | |
| 60 private boolean hasViewer = false; | |
| 61 private boolean normalTermination; | |
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62 |
| 267 | 63 private boolean isTreeManager; |
| 64 public boolean showTreeNode = false; | |
| 240 | 65 public boolean checkDelay = false; |
| 241 | 66 public boolean addSerialNum = false; |
| 257 | 67 public boolean fixingSize = false; |
| 267 | 68 public boolean filterSingleDisplay = false; |
| 257 | 69 public int frameSizeWidth; |
| 70 public int frameSizeHeight; | |
| 71 public int fixingSizeWidth; | |
| 72 public int fixingSizeHeight; | |
| 73 | |
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74 |
| 306 | 75 private int singleWidth = 0; |
| 76 private int singleHeight = 0; | |
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77 private int shareScreenNumber; |
| 293 | 78 private DatagramSocket socket = null; |
| 275 | 79 |
| 306 | 80 private byte[] originalInitData = null; |
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81 private boolean childrenMulticast = true; |
| 411 | 82 private int retinaScale = 1; |
| 306 | 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 |
| 223 | 119 * it also handle TreeVNC Command |
| 120 * @param os | |
| 121 * @param is | |
| 122 * @throws IOException | |
| 123 * @throws TransportException | |
| 124 */ | |
| 384 | 125 public void newClient(final Writer os, final Reader is) { |
| 223 | 126 final int myId = clients; |
| 127 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 128 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 129 writerRunning.set(1); | |
| 130 /** | |
| 131 * Timeout thread. If a client is suspended, it has top of queue | |
| 132 * indefinitely, which caused memory overflow. After the timeout, we | |
| 133 * poll the queue and discard it. Start long wait if writer is running. | |
| 134 */ | |
| 135 final Runnable timer = new Runnable() { | |
| 136 public void run() { | |
| 137 int count = 0; | |
| 138 for (;;) { | |
| 139 long timeout = 50000 / 8; | |
| 140 try { | |
| 141 synchronized (this) { | |
| 142 int state, flag; | |
| 143 writerRunning.set(0); | |
| 144 wait(timeout); | |
| 145 flag = 0; | |
| 146 while ((state = writerRunning.get()) == 0) { | |
| 147 c.poll(); // discard, should be timeout | |
| 148 count++; | |
| 149 if (flag == 0) { | |
| 150 System.out.println("Discarding " + myId | |
| 151 + " count=" + count); | |
| 152 flag = 1; | |
| 153 } | |
| 154 wait(10); // if this is too short, writer cannot | |
| 155 // take the poll, if this is too | |
| 156 // long, memory will overflow... | |
| 157 } | |
| 158 if (flag == 1) | |
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159 System.out.println("Resuming " + myId + " count=" + count); |
| 223 | 160 if (state != 1) { |
| 161 System.out.println("Client died " + myId); | |
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162 System.out.println("task stop"); |
| 330 | 163 |
| 164 String rootHostName = null; | |
| 165 int rootHostPort = 0; | |
| 166 String myHostName = null; | |
| 167 int myHostPort = 0; | |
| 168 | |
| 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); | |
| 330 | 176 } |
| 385 | 177 clients--; |
| 223 | 178 break; |
| 179 } | |
| 180 } | |
| 181 } catch (InterruptedException e) { | |
| 325 | 182 e.printStackTrace(); |
| 183 System.out.println("timer thread interrupt."); | |
| 223 | 184 } |
| 185 } | |
| 186 } | |
| 187 }; | |
| 188 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 189 /** | |
| 190 * handle command from lower node | |
| 191 */ | |
| 192 final Runnable reader = new Runnable() { | |
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193 public void run() { |
| 223 | 194 for (;;) { |
| 195 try { | |
| 196 final byte b[] = new byte[4096]; | |
| 197 final int c = is.readByte(b); | |
| 198 if (c <= 0) | |
| 199 throw new IOException(); | |
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200 // case of root node. |
| 223 | 201 if (isTreeManager()) { |
| 202 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 335 | 203 viewer.setVisible(false); |
| 223 | 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"); |
| 257 | 216 int frameSizeWidth = buf.getInt(); |
| 217 int frameSizeHeight = buf.getInt(); | |
| 340 | 218 int port = buf.getInt(); |
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219 int shareScreenNumber = buf.getInt(); |
| 410 | 220 int scale = buf.getInt(); |
| 340 | 221 System.out.println("Root server change request :" + newHostName + " : " + port); |
| 410 | 222 changeVNCServer(viewer, newHostName, port, frameSizeWidth, frameSizeHeight, shareScreenNumber, scale, id, is, os); |
| 223 | 223 } else { |
| 224 continue; | |
| 225 } | |
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226 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
| 293 | 227 int rtpPort = selectPort(ConnectionParams.DEFAULT_RTP_PORT); |
| 228 InetAddress hostname = InetAddress.getLocalHost(); | |
| 229 ReceiveSound receiveSound = new ReceiveSound(socket); | |
| 230 Thread receiveSoundThread = new Thread(receiveSound, "receive-sound"); | |
| 231 receiveSoundThread.start(); | |
| 230 | 232 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 233 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 234 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 235 buf.getShort(); |
| 236 Long time = buf.getLong(); | |
| 237 int port = buf.getInt(); | |
| 238 int addressLength = buf.getInt(); | |
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239 int dataLen = buf.getInt(); |
| 234 | 240 byte[] byteAddress = new byte[addressLength]; |
| 241 buf.get(byteAddress); | |
| 242 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 243 int nodeNum = getNodeNum(port, address); |
| 230 | 244 Long delay = System.currentTimeMillis() - time; |
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245 double halfDelay = (double) delay; |
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246 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + halfDelay + ", size : " + dataLen); |
| 223 | 247 } |
| 325 | 248 // case of client node. |
| 223 | 249 } else if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { |
| 295 | 250 ClientToServerMessage serverChangeRequest = new ClientToServerMessage() { |
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251 @Override |
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252 public void send(Writer writer) |
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253 throws TransportException { |
| 325 | 254 writer.write(b, 0, c); |
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255 } |
| 223 | 256 }; |
| 295 | 257 context.sendMessage(serverChangeRequest); |
| 301 | 258 } else if (b[0] == ClientToServerMessage.REQUEST_SINGLE_DISPLAY_SIZE) { |
| 295 | 259 ClientToServerMessage requestSingeDisplayWidth = new ClientToServerMessage() { |
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260 @Override |
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261 public void send(Writer writer) |
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262 throws TransportException { |
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263 writer.write(b, 0, c); |
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264 } |
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265 }; |
| 295 | 266 context.sendMessage(requestSingeDisplayWidth); |
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267 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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268 ClientToServerMessage readyShareSound = new ClientToServerMessage() { |
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269 @Override |
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270 public void send(Writer writer) |
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271 throws TransportException { |
| 325 | 272 writer.write(b, 0, c); |
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273 } |
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274 }; |
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275 context.sendMessage(readyShareSound); |
| 230 | 276 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 277 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 278 @Override | |
| 279 public void send(Writer writer) | |
| 280 throws TransportException { | |
| 325 | 281 writer.write(b, 0, c); |
| 230 | 282 } |
| 283 }; | |
| 284 context.sendMessage(checkDelayReply); | |
| 223 | 285 } |
| 286 } catch (Exception e) { | |
| 287 try { | |
| 288 writerRunning.set(2); | |
| 289 os.close(); | |
| 290 is.close(); | |
| 291 break; | |
| 367 | 292 } catch (Exception e1) { |
| 293 System.out.println("cannot close ClientToServerMessage "+e1); | |
| 294 | |
| 223 | 295 } |
| 367 | 296 System.out.println("cannot read ClientToServerMessage "+e); |
| 297 | |
| 223 | 298 return; |
| 299 } | |
| 325 | 300 |
| 301 /* | |
| 302 // あとで検討 | |
| 303 } catch (TransportException e) { | |
| 304 | |
| 305 } | |
| 306 */ | |
| 223 | 307 } |
| 308 } | |
| 309 }; | |
| 310 /** | |
| 311 * send packets to a client (one thread for each client ) | |
| 312 */ | |
| 313 Runnable sender = new Runnable() { | |
| 314 public void run() { | |
| 315 writerRunning.set(1); | |
| 316 try { | |
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317 requestThreadNotify(); // send full screen request via fullScreenRequestThread |
| 384 | 318 |
| 223 | 319 // after this, we discard upward packet. |
| 239 | 320 new Thread(reader, "upward-packet-processing").start(); |
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321 |
| 223 | 322 for (;;) { |
| 323 LinkedList<ByteBuffer> bufs = c.poll(); | |
| 324 int inputIndex = 0; | |
| 325 ByteBuffer header = bufs.get(inputIndex); | |
| 326 if (header == null) | |
| 327 continue; | |
| 328 writeToClient(os, bufs, inputIndex); | |
| 329 writerRunning.set(1); // yes my client is awaking. | |
|
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330 if (!childrenMulticast) { |
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331 for (;;) { |
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332 LinkedList<ByteBuffer> flag = c.poll(); |
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333 if (flag.size() == 0) { |
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334 break; |
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335 } |
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336 } |
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337 } |
| 223 | 338 } |
| 339 } catch (Exception e) { | |
| 340 try { | |
| 341 writerRunning.set(2); | |
| 342 os.close(); | |
| 343 } catch (IOException e1) { | |
| 344 System.out.println("root writer close faild :" + e1); | |
| 345 } | |
| 346 System.out.println("root writer faild :" + e); | |
| 347 /* if socket closed cliList.remove(newCli); */ | |
| 348 } | |
| 349 } | |
| 350 public void writeToClient(final Writer os, | |
| 351 LinkedList<ByteBuffer> bufs, int inputIndex) | |
| 352 throws TransportException { | |
| 354 | 353 while (inputIndex < bufs.size()) { |
| 223 | 354 ByteBuffer b = bufs.get(inputIndex++); |
| 355 os.write(b.array(), b.position(), b.limit()); | |
| 356 } | |
| 357 os.flush(); | |
| 358 multicastqueue.heapAvailable(); | |
| 359 } | |
| 360 }; | |
| 361 clients++; | |
| 362 new Thread(sender, "writer-to-lower-node").start(); | |
| 363 } | |
|
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364 |
|
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365 public boolean permitChangeScreen() { |
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366 return permitChangeScreen; |
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367 } |
| 223 | 368 |
|
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369 |
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370 public void setPermitChangeScreen(boolean v) { |
| 223 | 371 permitChangeScreen = v; |
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372 } |
| 223 | 373 |
| 374 public void requestThreadNotify() { | |
| 375 rThread.reStart(); | |
| 376 } | |
| 377 | |
| 378 | |
| 28 | 379 public void setProtocolContext(Protocol workingProtocol) { |
| 380 context = workingProtocol; | |
| 381 } | |
| 29 | 382 |
|
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383 public Socket accept() throws IOException { |
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384 return servSock.accept(); |
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385 } |
| 31 | 386 |
|
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387 public int selectPort(int p) { |
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388 int port = p; |
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389 while (true) { |
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390 try { |
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391 servSock = new ServerSocket(port); |
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392 acceptPort = port; |
| 181 | 393 myAddress = "127.0.0.1"; |
| 207 | 394 nets.getNetworkInterfaces(); |
|
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395 break; |
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396 } catch (BindException e) { |
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397 port++; |
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398 continue; |
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399 } catch (IOException e) { |
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400 |
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401 } |
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402 } |
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403 System.out.println("accept port = " + port); |
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404 return port; |
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405 } |
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406 |
|
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407 |
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408 |
|
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409 public void writeFramebufferUpdateRequest(int x, int y, int w, int h, boolean incremental) { |
| 223 | 410 byte[] b = new byte[10]; |
| 411 | |
| 412 b[0] = (byte) FramebufferUpdateRequest; // 3 is FrameBufferUpdateRequest | |
| 413 b[1] = (byte) (incremental ? 1 : 0); | |
| 414 b[2] = (byte) ((x >> 8) & 0xff); | |
| 415 b[3] = (byte) (x & 0xff); | |
| 416 b[4] = (byte) ((y >> 8) & 0xff); | |
| 417 b[5] = (byte) (y & 0xff); | |
| 418 b[6] = (byte) ((w >> 8) & 0xff); | |
| 419 b[7] = (byte) (w & 0xff); | |
| 420 b[8] = (byte) ((h >> 8) & 0xff); | |
| 421 b[9] = (byte) (h & 0xff); | |
| 422 } | |
|
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423 |
| 223 | 424 public void setViewer(ViewerInterface v) { |
| 425 viewer = v; | |
| 426 } | |
| 427 | |
| 428 public ViewerInterface getViewer() { | |
| 429 return viewer; | |
| 430 } | |
| 431 | |
| 432 | |
| 433 void sendInitData(OutputStream os) throws IOException { | |
| 434 os.write(context.getInitData()); | |
| 435 } | |
| 436 | |
| 437 | |
| 438 public void setTerminationType(boolean setType) { | |
| 439 normalTermination = setType; | |
| 440 } | |
| 441 | |
| 442 public boolean getTerminationType() { | |
| 443 return normalTermination; | |
| 444 } | |
| 43 | 445 |
| 206 | 446 |
| 223 | 447 public void addHostToSelectionPanel(int port, String hostname,String myHostName) { |
| 448 if (rootSelectionPanel != null) { | |
| 449 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 450 rootSelectionPanel.setButton(); | |
| 384 | 451 rootSelectionPanel.visible(); |
| 223 | 452 } |
| 453 } | |
| 43 | 454 |
|
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455 public void createRootSelectionPanel(CreateConnectionParam cp, FindRoot getBcast) { |
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456 rootSelectionPanel = new TreeVncRootSelectionPanel(getBcast); |
| 223 | 457 rootSelectionPanel.setCp(cp); |
|
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458 rootSelectionPanel.visible(); |
| 223 | 459 } |
| 460 | |
|
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461 public void close() { |
| 223 | 462 // none |
| 463 } | |
| 464 | |
| 465 public int getAcceptPort() { | |
| 466 return acceptPort; | |
| 467 } | |
| 468 | |
| 469 public boolean getReadyReconnect() { | |
| 470 return readyReconnect; | |
| 471 } | |
| 65 | 472 |
| 473 | |
| 223 | 474 public boolean getCuiVersion() { |
| 475 return cuiVersion; | |
| 384 | 476 } |
| 66 | 477 |
| 223 | 478 public void setCuiVersion(boolean flag) { |
| 479 cuiVersion = flag; | |
| 480 } | |
| 481 | |
| 482 public void readCheckDelay(Reader reader) throws TransportException { | |
| 483 | |
| 484 } | |
|
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485 |
| 223 | 486 public synchronized void vncConnected(boolean ready) { |
|
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487 enableChildrenTransmission(); |
| 369 | 488 readyReconnect = ready; |
| 489 if (ready) { | |
| 490 notifyAll(); | |
| 223 | 491 } |
|
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492 } |
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493 |
| 369 | 494 public void printNetworkInterface() { |
|
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495 Socket vncSocket = viewer.getVNCSocket(); |
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496 NetworkInterface ni = nets.getInterface(vncSocket); |
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497 if (ni!=null) { |
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498 vncInterface = ni.getName(); |
| 369 | 499 System.out.print("VNCNetworkInterface :" + vncInterface); |
| 370 | 500 if(false) { |
| 501 Enumeration<InetAddress> addresses = ni.getInetAddresses(); | |
| 502 while (addresses.hasMoreElements()) { | |
| 503 InetAddress adr = addresses.nextElement(); | |
| 504 System.out.print(" " + adr); | |
| 505 } | |
| 369 | 506 } |
| 507 System.out.println(); | |
|
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508 } |
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509 } |
|
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|
510 |
| 223 | 511 public void sendDesktopSizeChange(short id) { |
| 512 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
| 513 int width = context.getFbWidth(); | |
| 514 int height = context.getFbHeight(); | |
| 304 | 515 if (filterSingleDisplay) { |
| 353 | 516 originalInitData = createOriginalInitData(singleWidth, singleHeight, context.getRemoteDesktopName()); |
| 350 | 517 // desktopSize.add(new ChengeDesktopSize(singleWidth, singleHeight, EncodingType.INIT_DATA, originalInitData, id).getMessage()); |
| 518 desktopSize.add(new ChengeDesktopSize(width, height, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); | |
| 305 | 519 } else { |
| 520 desktopSize.add(new ChengeDesktopSize(width, height, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); | |
| 304 | 521 } |
| 380 | 522 if (addSerialNum) { |
| 523 addSerialNumber(desktopSize); | |
| 524 } | |
| 223 | 525 multicastqueue.put(desktopSize); |
| 526 } | |
| 98 | 527 |
| 306 | 528 public byte[] createOriginalInitData(int singleWidth, int singleHeight, String remoteDesktopName) { |
| 529 TreeVncCommandChannelListener treeVncCommandChannelListener = new TreeVncCommandChannelListener(this, acceptPort); | |
| 530 byte[] originalInitData = treeVncCommandChannelListener.createOriginalInitData(singleWidth, singleHeight, remoteDesktopName); | |
| 531 return originalInitData; | |
| 532 } | |
| 533 | |
| 223 | 534 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
| 242 | 535 ByteBuffer serialNum = multicastqueue.allocate(4+8); // addSerialNum flag + SerialNum |
| 380 | 536 serialNum.putInt(1); |
| 223 | 537 serialNum.putLong(counter++); |
| 538 serialNum.flip(); | |
| 539 bufs.addFirst(serialNum); | |
| 540 } | |
|
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541 |
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542 |
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543 public void resetDecoder() { |
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544 context.resetDecoder(); |
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545 } |
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546 |
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547 public void stopReceiverTask() { |
|
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548 if (context!=null) { |
|
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549 context.cleanUpSession(null); |
|
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550 context.getRfb().clearChildrenTransmission(); |
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551 } |
|
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552 // cleanup zlib decoder for new VNCServer |
| 202 | 553 if (isTreeManager()) |
|
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554 inflater = new Inflater(); |
|
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555 } |
|
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556 |
|
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557 public void clearChildrenTransmission() { |
| 355 | 558 // discarding does not work now. |
| 559 | |
| 560 /* | |
|
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561 // set discard flag |
| 354 | 562 childrenMulticast = false; |
|
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563 // put gurd erement to restart multicastqueue. |
| 354 | 564 multicastqueue.put(new LinkedList<ByteBuffer>()); |
| 355 | 565 */ |
|
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566 } |
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567 |
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568 public void enableChildrenTransmission() { |
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569 // a child senderTask may skip this flag |
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570 // durling write waiting. in this case, remaining bufferes are sent. |
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571 childrenMulticast = true; |
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572 } |
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573 |
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574 public String getMyAddress() { |
| 174 | 575 return myAddress; |
|
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576 } |
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577 |
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578 /** |
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579 * gzip byte arrays |
| 384 | 580 * |
|
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581 * @param deflater |
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582 * @param inputs |
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583 * byte data[] |
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584 * @param inputIndex |
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585 * @param outputs |
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586 * byte data[] |
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587 * @return byte length in last byte array |
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588 * @throws IOException |
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589 */ |
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590 public int zip(Deflater deflater, LinkedList<ByteBuffer> inputs, |
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591 int inputIndex, LinkedList<ByteBuffer> outputs) throws IOException { |
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592 int len = 0; |
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593 ByteBuffer c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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594 while (inputIndex < inputs.size()) { |
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595 ByteBuffer b1 = inputs.get(inputIndex++); |
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596 deflater.setInput(b1.array(), b1.position(), b1.remaining()); |
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597 /** |
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598 * If we finish() stream and reset() it, Deflater start new gzip |
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599 * stream, this makes continuous zlib reader unhappy. if we remove |
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600 * finish(), Deflater.deflate() never flushes its output. The |
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601 * original zlib deflate has flush flag. I'm pretty sure this a kind |
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602 * of bug of Java library. |
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603 */ |
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604 if (inputIndex == inputs.size()) |
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605 deflater.finish(); |
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606 int len1 = 0; |
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607 do { |
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608 len1 = deflater.deflate(c1.array(), c1.position(), |
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609 c1.remaining()); |
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610 if (len1 > 0) { |
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611 len += len1; |
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612 c1.position(c1.position() + len1); |
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613 if (c1.remaining() == 0) { |
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614 c1.flip(); |
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615 outputs.addLast(c1); |
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616 c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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617 } |
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618 } |
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619 } while (len1 > 0 || !deflater.needsInput()); // &&!deflater.finished()); |
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620 } |
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621 if (c1.position() != 0) { |
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622 c1.flip(); |
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623 outputs.addLast(c1); |
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624 } |
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625 deflater.reset(); |
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626 return len; |
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627 } |
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628 |
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629 /** |
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630 * gunzip byte arrays |
| 384 | 631 * |
|
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632 * @param inflater |
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633 * @param inputs |
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634 * byte data[] |
| 182 | 635 * @param bytes |
|
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636 * byte data[] |
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637 * @return number of total bytes |
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638 * @throws IOException |
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639 */ |
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640 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
| 335 | 641 int inputIndex, byte[] bytes, int bufSize) throws DataFormatException { |
| 182 | 642 int position = 0; |
| 643 int limit = bytes.length; | |
|
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644 while (inputIndex < inputs.size()) { |
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645 ByteBuffer input = inputs.get(inputIndex++); |
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646 inflater.setInput(input.array(), input.position(), input.limit()); |
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647 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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648 // we need this |
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649 // inflater.end(); but this won't work |
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650 do { |
| 318 | 651 int len0; |
| 652 len0 = inflater.inflate(bytes, position, limit-position); | |
| 653 if (len0 > 0) { | |
| 654 position += len0; | |
| 655 if (position > limit) throw new DataFormatException(); | |
|
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656 } |
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657 } while (!inflater.needsInput()); |
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658 } |
| 182 | 659 return position; |
|
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660 } |
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661 |
|
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662 /** |
|
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663 * Multicast framebufferUpdate to children. |
|
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664 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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665 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
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666 * @param dataLen |
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667 * @param reader |
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668 * @throws TransportException |
| 384 | 669 * @throws UnsupportedEncodingException |
|
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670 */ |
| 264 | 671 public void readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
|
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672 throws TransportException, UnsupportedEncodingException { |
|
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673 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
|
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674 int headerLen = rect.getEncodingType() == EncodingType.CHECK_DELAY ? 24 : 16; |
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675 ByteBuffer header = multicastqueue.allocate(headerLen); |
| 242 | 676 ByteBuffer serial = multicastqueue.allocate(4+8); |
| 378 | 677 if (!isTreeManager() && addSerialNum) { |
| 242 | 678 reader.readBytes(serial.array(),0,4+8); |
| 679 serial.limit(4+8); | |
| 182 | 680 } |
| 185 | 681 reader.mark(dataLen); |
|
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682 reader.readBytes(header.array(), 0, headerLen); |
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683 header.limit(headerLen); |
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684 if (header.get(0) == FramebufferUpdate) { |
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685 int encoding = header.getInt(12); |
| 384 | 686 |
|
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687 if (encoding == EncodingType.ZRLE.getId() |
|
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688 || encoding == EncodingType.ZLIB.getId()) { |
|
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689 // recompress into ZREE |
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690 // uncompressed result is remain in bytes |
|
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691 ByteBuffer len = multicastqueue.allocate(4); |
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692 reader.readBytes(len.array(), 0, 4); |
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693 len.limit(4); |
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694 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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695 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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696 inputData.limit(dataLen - 20); |
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697 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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698 inputs.add(inputData); |
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699 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 700 // recompress |
| 701 // every time | |
|
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702 // using new Deflecter every time is incompatible with the |
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703 // protocol, clients have to be modified. |
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704 Deflater nDeflater = deflater; // new Deflater(); |
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705 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
| 380 | 706 try { |
| 182 | 707 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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708 // dump32(inputs); |
| 182 | 709 out.add(ByteBuffer.wrap(bytes)); |
|
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710 int len2 = zip(nDeflater, out, 0, bufs); |
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711 ByteBuffer blen = multicastqueue.allocate(4); |
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712 blen.putInt(len2); |
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713 blen.flip(); |
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714 bufs.addFirst(blen); |
|
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715 LinkedList<ByteBuffer> bufs2 = (LinkedList<ByteBuffer>)bufs.clone(); |
|
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716 bufs.addFirst(header); |
| 380 | 717 if (addSerialNum) { |
| 718 addSerialNumber(bufs); | |
| 719 } | |
| 270 | 720 if (filterSingleDisplay) { |
| 275 | 721 if (rect.x < singleWidth) { |
| 270 | 722 multicastqueue.put(bufs); |
| 723 } | |
| 724 } else { | |
| 725 multicastqueue.put(bufs); | |
| 726 } | |
|
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727 sendCheckDelay(bufs2, header); |
|
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728 } catch (IOException e) { |
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729 throw new TransportException(e); |
| 335 | 730 } catch (DataFormatException e) { |
| 731 throw new TransportException(e); | |
|
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732 } |
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733 return; |
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734 } |
| 233 | 735 |
|
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736 // ZRLEE is already compressed |
|
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737 bufs.add(header); |
| 380 | 738 if (addSerialNum) { |
| 739 this.addSerialNumber(bufs); | |
| 740 } | |
|
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741 if (dataLen > headerLen) { |
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742 ByteBuffer b = multicastqueue.allocate(dataLen - headerLen); |
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743 reader.readBytes(b.array(), 0, dataLen - headerLen); |
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744 b.limit(dataLen - headerLen); |
|
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745 bufs.add(b); |
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746 } |
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747 multicastqueue.put(bufs); |
| 233 | 748 |
|
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749 return; |
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750 } |
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751 // It may be compressed. We can inflate here to avoid repeating clients |
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752 // decompressing here, |
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753 // but it may generate too many large data. It is better to do it in |
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754 // each client. |
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755 // But we have do inflation for all input data, so we have to do it |
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756 // here. |
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757 } |
| 124 | 758 |
|
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759 public void sendCheckDelay(LinkedList<ByteBuffer> checkDelay, ByteBuffer header) { |
|
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760 int x = (int)header.getShort(4); |
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761 int y = (int)header.getShort(6); |
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762 int width = (int)header.getShort(8); |
|
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763 int height = (int)header.getShort(10); |
|
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|
764 long time = System.currentTimeMillis(); |
|
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765 checkDelay.addFirst(new CheckDelay(x, y, width, height, time, EncodingType.CHECK_DELAY).getMessage()); |
|
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|
766 multicastqueue.put(checkDelay); |
|
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767 } |
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|
768 |
| 223 | 769 public void setId(short id) { |
| 770 this.id = id; | |
| 771 } | |
| 169 | 772 |
| 223 | 773 public short getId() { |
| 774 return id; | |
| 775 } | |
| 169 | 776 |
| 174 | 777 public void setMyAddress(String myHostName) { |
| 778 this.myAddress = myHostName; | |
| 223 | 779 |
| 174 | 780 } |
| 781 | |
| 782 public void setLeader(boolean leader) { | |
| 783 this.leader = leader; | |
| 784 } | |
| 785 | |
| 786 public boolean isLeader() { | |
| 787 return leader; | |
| 788 } | |
| 789 | |
| 203 | 790 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 791 nets.setTreeManager(intf, clients); |
| 174 | 792 } |
| 223 | 793 |
| 203 | 794 public TreeManagement getTreeManager(String intf) { |
| 231 | 795 TreeManagement tm = nets.getTreeManager(intf); |
| 796 this.nodeList = tm.getList(); | |
| 797 return tm; | |
| 174 | 798 } |
| 799 | |
| 800 /** | |
|
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801 * change VNCServer is called when host change. |
|
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|
802 * @param vncProxyService |
| 174 | 803 * @param hostName |
| 804 * HostAddress | |
| 359 | 805 * @param width |
|
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|
806 * FrameWidth |
| 359 | 807 * @param height |
| 382 | 808 * FrameHeight |
|
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|
809 * @param shareScreenNumber |
| 351 | 810 * @param newVNCServerId |
| 382 | 811 * @param is |
| 812 * @param os | |
| 174 | 813 */ |
| 410 | 814 public void changeVNCServer(ViewerInterface vncProxyService, String hostName, int port, int width, int height, int shareScreenNumber, int scale, short newVNCServerId, Reader is, Writer os) |
| 325 | 815 throws IOException { |
| 257 | 816 |
| 359 | 817 this.frameSizeWidth = width; |
| 818 this.frameSizeHeight = height; | |
|
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diff
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|
819 this.shareScreenNumber = shareScreenNumber; |
| 410 | 820 this.singleWidth = frameSizeWidth; |
| 821 this.singleHeight = frameSizeHeight; | |
| 822 this.retinaScale = scale; | |
| 351 | 823 if (newVNCServerId == -1) { |
|
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|
824 // change to the tree vnc root on other network. |
| 383 | 825 vncProxyService.changeToDirectConnectedServer(hostName, is, os); |
|
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|
826 return; |
|
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|
827 } |
| 342 | 828 // serverChangeの処理 |
| 369 | 829 vncProxyService.inhelitClients(vncProxyService, hostName, newVNCServerId); |
| 317 | 830 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 322 | 831 // stop reader stop |
| 174 | 832 } |
| 833 | |
| 834 /** | |
| 835 * start accepting children | |
| 836 * run rootFinderListener if necessary | |
| 837 */ | |
| 176 | 838 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 839 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 840 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 841 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 842 thread.start(); | |
| 176 | 843 } |
| 844 | |
| 174 | 845 public TreeVncCommandChannelListener getAcceptThread() { |
| 846 return acceptThread; | |
| 847 } | |
| 848 | |
| 176 | 849 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
| 850 cp = createConnectionParam; | |
| 851 } | |
| 852 | |
| 853 public CreateConnectionParam getConnectionParam() { | |
| 854 return cp; | |
| 855 } | |
| 856 | |
|
178
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857 public boolean hasViewer() { |
|
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858 return hasViewer; |
|
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859 } |
|
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860 |
|
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|
861 public void setHasViewer(boolean b) { |
|
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862 hasViewer = b; |
|
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863 } |
|
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|
864 |
| 223 | 865 public void setShowTree(boolean showTree) { |
| 240 | 866 this.showTreeNode = showTree; |
| 867 } | |
| 868 | |
| 869 public void setCheckDelay(boolean checkDelay) { | |
| 870 this.checkDelay = checkDelay; | |
| 223 | 871 } |
| 194 | 872 |
| 241 | 873 public void setAddSerialNum(boolean addSerialNum) { |
| 874 this.addSerialNum = addSerialNum; | |
| 875 } | |
| 876 | |
| 235 | 877 public int getNodeNum(int port, String address) { |
|
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diff
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|
878 int nodeNum = 0; |
| 384 | 879 |
|
232
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diff
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|
880 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext();) { |
|
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diff
changeset
|
881 TreeVNCNode tvn = (TreeVNCNode)i.next(); |
| 235 | 882 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 883 nodeNum = tvn.treeNum; | |
| 884 return nodeNum; | |
| 885 } | |
|
232
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|
886 } |
|
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|
887 return nodeNum; |
|
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|
888 } |
| 241 | 889 |
| 257 | 890 public void setFixingSize(boolean fixingSize) { |
| 891 this.fixingSize = fixingSize; | |
| 256 | 892 } |
| 267 | 893 |
| 894 public void setFilterSingleDisplay(boolean filterSingleDisplay) { | |
| 895 this.filterSingleDisplay = filterSingleDisplay; | |
| 896 } | |
| 281 | 897 |
| 293 | 898 private DatagramSocket createSocket() { |
| 899 | |
| 900 try { | |
| 901 if (socket == null) { | |
| 902 this.socket = new DatagramSocket(ConnectionParams.DEFAULT_RTP_PORT, InetAddress.getLocalHost()); | |
| 903 } | |
| 904 } catch (SocketException e) { | |
| 905 e.printStackTrace(); | |
| 906 } catch (UnknownHostException e) { | |
| 907 e.printStackTrace(); | |
| 908 } | |
| 909 return socket; | |
| 910 } | |
| 306 | 911 |
| 912 public void setSingleDisplaySize(int singleWidth, int singleHeight) { | |
| 913 this.singleWidth = singleWidth; | |
| 914 this.singleHeight = singleHeight; | |
| 915 } | |
| 916 | |
| 358 | 917 |
| 306 | 918 public int getSingleWidth() { |
| 919 return singleWidth; | |
| 920 } | |
| 921 | |
| 922 public int getSingleHeight() { | |
| 923 return singleHeight; | |
| 924 } | |
|
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925 |
|
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|
926 public int getShareScreenNumber() { |
|
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|
927 return shareScreenNumber; |
|
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928 } |
|
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|
929 |
| 410 | 930 |
| 931 public int getRetinaScale() { | |
| 932 return retinaScale; | |
| 933 } | |
| 934 | |
| 935 | |
|
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936 public boolean hasParent() { |
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4713559f5838
if have a parent, send serverChangeRequest and whereToConnect
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937 return id != -1; |
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if have a parent, send serverChangeRequest and whereToConnect
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938 } |
| 384 | 939 |
| 940 /** | |
| 941 * server change to directed connected server | |
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395
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Call startVNCConnectionWithSocket for directedServerChangeReqeust
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942 * server maybe on the different network |
| 384 | 943 * so can not in whereToConnect message |
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Call startVNCConnectionWithSocket for directedServerChangeReqeust
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944 * reuse dynamic connect socket us a new client |
| 384 | 945 * reother server exchange socket when serverChangeRequest with id -1 |
| 946 * @param previousReader | |
| 947 * @param previousWriter | |
| 948 */ | |
| 949 public void exchangeDirectConnectedServer(Reader previousReader, Writer previousWriter) { | |
| 950 String adr = viewer.getRfb().getMyAddress(); | |
| 410 | 951 int scale = viewer.getRfb().getRetinaScale(); |
| 952 ScreenChangeRequest scr = new ScreenChangeRequest(adr, ConnectionParams.DEFAULT_VNC_ROOT, (short) -1, singleWidth, singleHeight, shareScreenNumber, scale); | |
| 384 | 953 try { |
| 954 scr.send(previousWriter); | |
| 955 } catch (TransportException e) { | |
| 956 e.printStackTrace(); | |
| 957 return; | |
| 958 } | |
| 959 newClient(previousWriter, previousReader); | |
| 960 } | |
| 389 | 961 |
| 962 /** | |
| 963 * Requested server is connected. stop old connection, replace old connection parameter such as | |
| 964 * context (PROTOCOL) | |
| 965 * start new connection and send INIT_DATA | |
| 966 * @param workingProtocol | |
| 967 * @param connectionPresenter | |
| 968 */ | |
| 969 public synchronized void newVNCConnection(Protocol workingProtocol, ConnectionPresenter connectionPresenter) { | |
| 970 ProtocolContext previousContext = getContext(); | |
| 971 stopReceiverTask(); | |
| 972 setProtocolContext(workingProtocol); | |
| 973 connectionPresenter.viewer.setConnectionPresenter(connectionPresenter); | |
| 974 connectionPresenter.viewer.getConnectionPresenter().addModel("ConnectionParamsModel", connectionPresenter.getConnectionParams()); | |
| 975 if (previousContext != null && isTreeManager() && hasParent()) { | |
| 976 Reader previousReader = previousContext.getReader(); | |
| 977 Writer previousWriter = previousContext.getWriter(); | |
| 978 exchangeDirectConnectedServer(previousReader, previousWriter); | |
| 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 } | |
| 240 | 993 } |