Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 328:1a2ab6bd5ba3
add function lost child node, remove deadChild nodeList.
| author | oc |
|---|---|
| date | Mon, 02 Feb 2015 13:50:35 +0900 |
| parents | 293c35aa902b |
| children | 230038d5127d |
| 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; |
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9 import java.util.Iterator; |
| 28 | 10 import java.util.LinkedList; |
| 11 import java.util.concurrent.atomic.AtomicInteger; | |
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12 import java.util.zip.DataFormatException; |
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13 import java.util.zip.Deflater; |
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14 import java.util.zip.Inflater; |
| 150 | 15 |
| 28 | 16 import com.glavsoft.exceptions.TransportException; |
| 107 | 17 import com.glavsoft.rfb.client.ClientToServerMessage; |
| 96 | 18 import com.glavsoft.rfb.encoding.EncodingType; |
| 264 | 19 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
| 28 | 20 import com.glavsoft.rfb.protocol.Protocol; |
| 21 import com.glavsoft.rfb.protocol.ProtocolContext; | |
| 22 import com.glavsoft.transport.Reader; | |
| 23 import com.glavsoft.transport.Writer; | |
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24 import com.glavsoft.viewer.Viewer; |
| 153 | 25 import com.glavsoft.viewer.ViewerInterface; |
| 174 | 26 import com.glavsoft.viewer.swing.ConnectionParams; |
| 28 | 27 |
| 124 | 28 |
| 207 | 29 public class TreeRFBProto { |
| 231 | 30 |
| 223 | 31 final static int FramebufferUpdateRequest = 3; |
| 32 final static int CheckDelay = 11; | |
| 33 protected final static int FramebufferUpdate = 0; | |
| 34 protected ProtocolContext context; | |
| 35 private int clients = 0; | |
| 36 public MulticastQueue<LinkedList<ByteBuffer>> multicastqueue = new MulticastQueue<LinkedList<ByteBuffer>>(); | |
| 37 private RequestScreenThread rThread; | |
| 38 public int acceptPort = 0; | |
| 174 | 39 private String myAddress; |
| 223 | 40 private long counter = 0; // packet serial number |
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41 public ServerSocket servSock; |
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42 private static final int INFLATE_BUFSIZE = 1024 * 100; |
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43 private Inflater inflater = new Inflater(); |
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44 private Deflater deflater = new Deflater(); |
| 174 | 45 ViewerInterface viewer; |
| 223 | 46 private short id; // my tree node id ( = 0 in root ) |
| 174 | 47 private TreeVncCommandChannelListener acceptThread; |
| 48 private TreeRootFinderListener getCast; | |
| 176 | 49 private CreateConnectionParam cp; |
| 187 | 50 private short reconnectingId; // Change Server Request to id's node VNC server |
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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 reconnecting; | |
| 62 private boolean normalTermination; | |
| 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; |
| 69 | |
| 257 | 70 public int frameSizeWidth; |
| 71 public int frameSizeHeight; | |
| 72 public int fixingSizeWidth; | |
| 73 public int fixingSizeHeight; | |
| 74 | |
| 306 | 75 private int singleWidth = 0; |
| 76 private int singleHeight = 0; | |
| 301 | 77 |
| 293 | 78 private DatagramSocket socket = null; |
| 275 | 79 |
| 306 | 80 private byte[] originalInitData = null; |
| 81 | |
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82 public TreeRFBProto(boolean isTreeManager, ViewerInterface viewer) { |
| 223 | 83 rThread = new RequestScreenThread(this); |
| 84 nets.setMyRfb(this); | |
| 85 this.isTreeManager = isTreeManager; | |
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86 this.viewer = viewer; |
| 302 | 87 // this.socket = createSocket(); |
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88 if(isTreeManager()) { |
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89 getCast = new TreeRootFinderListener(viewer); |
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90 Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener"); |
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91 treeRootFindThread.start(); |
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92 } |
| 223 | 93 } |
| 94 | |
| 95 public boolean isTreeManager() { | |
| 96 return isTreeManager; | |
| 97 } | |
| 207 | 98 |
| 223 | 99 public ProtocolContext getContext() { |
| 100 return context; | |
| 101 } | |
| 102 | |
| 103 /** | |
| 104 * handle new client accept | |
| 105 * it also handle TreeVNC Command | |
| 106 * @param newCli | |
| 107 * @param os | |
| 108 * @param is | |
| 109 * @throws IOException | |
| 110 * @throws TransportException | |
| 111 */ | |
| 112 public void newClient(final Socket newCli,final Writer os, final Reader is) { | |
| 124 | 113 |
| 223 | 114 final int myId = clients; |
| 115 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 116 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 117 writerRunning.set(1); | |
| 118 /** | |
| 119 * Timeout thread. If a client is suspended, it has top of queue | |
| 120 * indefinitely, which caused memory overflow. After the timeout, we | |
| 121 * poll the queue and discard it. Start long wait if writer is running. | |
| 122 */ | |
| 123 final Runnable timer = new Runnable() { | |
| 124 public void run() { | |
| 125 int count = 0; | |
| 126 for (;;) { | |
| 127 long timeout = 50000 / 8; | |
| 128 try { | |
| 129 synchronized (this) { | |
| 130 int state, flag; | |
| 131 writerRunning.set(0); | |
| 132 wait(timeout); | |
| 133 flag = 0; | |
| 134 while ((state = writerRunning.get()) == 0) { | |
| 135 c.poll(); // discard, should be timeout | |
| 136 count++; | |
| 137 if (flag == 0) { | |
| 138 System.out.println("Discarding " + myId | |
| 139 + " count=" + count); | |
| 140 flag = 1; | |
| 141 } | |
| 142 wait(10); // if this is too short, writer cannot | |
| 143 // take the poll, if this is too | |
| 144 // long, memory will overflow... | |
| 145 } | |
| 146 if (flag == 1) | |
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147 System.out.println("Resuming " + myId + " count=" + count); |
| 223 | 148 if (state != 1) { |
| 149 System.out.println("Client died " + myId); | |
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150 System.out.println("task stop"); |
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151 |
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152 TreeVncProtocol echo = null; |
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153 |
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154 if (isTreeManager) { |
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155 |
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156 |
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157 } else { |
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158 echo = new TreeVncProtocol(getConnectionParam().getHostName(), getConnectionParam().getPort()); |
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159 } |
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160 |
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161 if (echo!=null) { |
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162 if (myId == 0) { |
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163 echo.lostLeftChild(getMyAddress(), getAcceptPort()); |
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164 } else if (myId == 1) { |
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165 echo.lostRightChild(getMyAddress(), getAcceptPort()); |
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166 } |
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167 } |
| 223 | 168 break; |
| 169 } | |
| 170 } | |
| 171 } catch (InterruptedException e) { | |
| 325 | 172 e.printStackTrace(); |
| 173 System.out.println("timer thread interrupt."); | |
| 223 | 174 } |
| 175 } | |
| 176 } | |
| 177 }; | |
| 178 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 179 /** | |
| 180 * handle command from lower node | |
| 181 */ | |
| 182 final Runnable reader = new Runnable() { | |
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183 public void run() { |
| 223 | 184 for (;;) { |
| 185 try { | |
| 186 final byte b[] = new byte[4096]; | |
| 187 final int c = is.readByte(b); | |
| 188 if (c <= 0) | |
| 189 throw new IOException(); | |
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190 // case of root node. |
| 223 | 191 if (isTreeManager()) { |
| 192 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 193 if (permitChangeScreen()) { | |
| 194 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 195 buf.order(ByteOrder.BIG_ENDIAN); | |
| 325 | 196 buf.get(); // padding |
| 257 | 197 buf.get(); |
| 198 short id = buf.getShort(); | |
| 199 int length = buf.getInt(); | |
| 325 | 200 if (length == 0) |
| 201 continue; | |
| 257 | 202 byte[] byteAddress = new byte[length]; |
| 203 buf.get(byteAddress); | |
| 325 | 204 String newHostName = new String(byteAddress, "UTF-8"); |
| 257 | 205 int frameSizeWidth = buf.getInt(); |
| 206 int frameSizeHeight = buf.getInt(); | |
| 223 | 207 System.out.println("Root server change request :" + newHostName); |
| 208 // please remove these numbers. | |
| 209 if (viewer != null) { | |
| 257 | 210 changeVNCServer(viewer, newHostName, frameSizeWidth, frameSizeHeight, id); |
| 317 | 211 viewer.setFitScreen(); |
| 223 | 212 } |
| 213 } else { | |
| 214 continue; | |
| 215 } | |
| 301 | 216 } else if (b[0] == ClientToServerMessage.REQUEST_SINGLE_DISPLAY_SIZE) { |
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217 ByteBuffer buf = ByteBuffer.wrap(b); |
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218 buf.order(ByteOrder.BIG_ENDIAN); |
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219 buf.get(); |
| 301 | 220 sendSingleDisplaySize(singleWidth, singleHeight); |
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221 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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222 System.out.println("rootは受信準備を始める。"); |
| 293 | 223 int rtpPort = selectPort(ConnectionParams.DEFAULT_RTP_PORT); |
| 224 InetAddress hostname = InetAddress.getLocalHost(); | |
| 225 ReceiveSound receiveSound = new ReceiveSound(socket); | |
| 226 Thread receiveSoundThread = new Thread(receiveSound, "receive-sound"); | |
| 227 receiveSoundThread.start(); | |
| 230 | 228 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 229 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 230 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 231 buf.getShort(); |
| 232 Long time = buf.getLong(); | |
| 233 int port = buf.getInt(); | |
| 234 int addressLength = buf.getInt(); | |
| 235 byte[] byteAddress = new byte[addressLength]; | |
| 236 buf.get(byteAddress); | |
| 237 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 238 int nodeNum = getNodeNum(port, address); |
| 230 | 239 Long delay = System.currentTimeMillis() - time; |
| 244 | 240 double halfDelay = (double) delay / 2; |
| 252 | 241 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + halfDelay); |
| 223 | 242 } |
| 325 | 243 // case of client node. |
| 223 | 244 } else if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { |
| 295 | 245 ClientToServerMessage serverChangeRequest = new ClientToServerMessage() { |
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246 @Override |
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247 public void send(Writer writer) |
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248 throws TransportException { |
| 325 | 249 writer.write(b, 0, c); |
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250 } |
| 223 | 251 }; |
| 295 | 252 context.sendMessage(serverChangeRequest); |
| 301 | 253 } else if (b[0] == ClientToServerMessage.REQUEST_SINGLE_DISPLAY_SIZE) { |
| 295 | 254 ClientToServerMessage requestSingeDisplayWidth = new ClientToServerMessage() { |
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255 @Override |
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256 public void send(Writer writer) |
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257 throws TransportException { |
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258 writer.write(b, 0, c); |
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259 } |
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260 }; |
| 295 | 261 context.sendMessage(requestSingeDisplayWidth); |
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262 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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263 ClientToServerMessage readyShareSound = new ClientToServerMessage() { |
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264 @Override |
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265 public void send(Writer writer) |
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266 throws TransportException { |
| 325 | 267 writer.write(b, 0, c); |
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268 } |
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269 }; |
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270 context.sendMessage(readyShareSound); |
| 230 | 271 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 272 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 273 @Override | |
| 274 public void send(Writer writer) | |
| 275 throws TransportException { | |
| 325 | 276 writer.write(b, 0, c); |
| 230 | 277 } |
| 278 }; | |
| 279 context.sendMessage(checkDelayReply); | |
| 223 | 280 } |
| 281 } catch (Exception e) { | |
| 282 try { | |
| 283 writerRunning.set(2); | |
| 284 os.close(); | |
| 285 is.close(); | |
| 286 break; | |
| 287 } catch (IOException e1) { | |
| 288 } catch (TransportException e1) { | |
| 289 e1.printStackTrace(); | |
| 290 } | |
| 291 return; | |
| 292 } | |
| 325 | 293 |
| 294 /* | |
| 295 // あとで検討 | |
| 296 } catch (TransportException e) { | |
| 297 | |
| 298 } | |
| 299 */ | |
| 223 | 300 } |
| 301 } | |
| 302 }; | |
| 303 /** | |
| 304 * send packets to a client (one thread for each client ) | |
| 305 */ | |
| 306 Runnable sender = new Runnable() { | |
| 307 public void run() { | |
| 308 writerRunning.set(1); | |
| 309 try { | |
| 310 requestThreadNotify(); | |
| 239 | 311 |
| 223 | 312 // after this, we discard upward packet. |
| 239 | 313 new Thread(reader, "upward-packet-processing").start(); |
| 314 | |
| 223 | 315 for (;;) { |
| 316 LinkedList<ByteBuffer> bufs = c.poll(); | |
| 239 | 317 |
| 223 | 318 int inputIndex = 0; |
| 319 ByteBuffer header = bufs.get(inputIndex); | |
| 320 if (header == null) | |
| 321 continue; | |
| 322 writeToClient(os, bufs, inputIndex); | |
| 323 writerRunning.set(1); // yes my client is awaking. | |
| 324 } | |
| 325 } catch (Exception e) { | |
| 326 try { | |
| 327 writerRunning.set(2); | |
| 328 os.close(); | |
| 329 } catch (IOException e1) { | |
| 330 System.out.println("root writer close faild :" + e1); | |
| 331 } | |
| 332 System.out.println("root writer faild :" + e); | |
| 333 /* if socket closed cliList.remove(newCli); */ | |
| 334 } | |
| 335 } | |
| 336 public void writeToClient(final Writer os, | |
| 337 LinkedList<ByteBuffer> bufs, int inputIndex) | |
| 338 throws TransportException { | |
| 339 while (inputIndex < bufs.size()) { | |
| 340 ByteBuffer b = bufs.get(inputIndex++); | |
| 341 os.write(b.array(), b.position(), b.limit()); | |
| 342 } | |
| 343 os.flush(); | |
| 344 bufs = null; | |
| 345 multicastqueue.heapAvailable(); | |
| 346 } | |
| 347 }; | |
| 348 clients++; | |
| 349 new Thread(sender, "writer-to-lower-node").start(); | |
| 350 } | |
|
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351 |
| 301 | 352 public void sendSingleDisplaySize(int singleDisplayWidth, int singleDisplayHeight) throws UnsupportedEncodingException { |
| 305 | 353 LinkedList<ByteBuffer> linkedListSendSingleDisplaySize = new LinkedList<ByteBuffer>(); |
| 301 | 354 SendSingleDisplaySize sendSingleDisplaySize = new SendSingleDisplaySize(); |
| 305 | 355 linkedListSendSingleDisplaySize.add(sendSingleDisplaySize.singleDisplaySize(0, 0, singleDisplayWidth, singleDisplayHeight)); |
| 356 addSerialNumber(linkedListSendSingleDisplaySize); | |
| 357 multicastqueue.put(linkedListSendSingleDisplaySize); | |
| 281 | 358 System.out.println(singleDisplayWidth + " : send single display width"); |
| 359 } | |
|
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360 |
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361 public boolean permitChangeScreen() { |
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362 return permitChangeScreen; |
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363 } |
| 223 | 364 |
|
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365 |
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366 public void setPermitChangeScreen(boolean v) { |
| 223 | 367 permitChangeScreen = v; |
|
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368 } |
| 223 | 369 |
| 370 public void requestThreadNotify() { | |
| 371 rThread.reStart(); | |
| 372 } | |
| 373 | |
| 374 | |
| 28 | 375 public void setProtocolContext(Protocol workingProtocol) { |
| 376 context = workingProtocol; | |
| 377 } | |
| 29 | 378 |
|
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379 public Socket accept() throws IOException { |
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380 return servSock.accept(); |
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381 } |
| 31 | 382 |
|
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383 public int selectPort(int p) { |
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384 int port = p; |
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385 while (true) { |
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386 try { |
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387 servSock = new ServerSocket(port); |
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388 acceptPort = port; |
| 181 | 389 myAddress = "127.0.0.1"; |
| 207 | 390 nets.getNetworkInterfaces(); |
|
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391 break; |
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392 } catch (BindException e) { |
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393 port++; |
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394 continue; |
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395 } catch (IOException e) { |
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396 |
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397 } |
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398 } |
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399 System.out.println("accept port = " + port); |
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400 return port; |
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401 } |
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402 |
|
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403 |
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404 |
| 223 | 405 public void writeFramebufferUpdateRequest(int x, int y, int w, int h, |
| 406 boolean incremental) throws TransportException { | |
| 407 byte[] b = new byte[10]; | |
| 408 | |
| 409 b[0] = (byte) FramebufferUpdateRequest; // 3 is FrameBufferUpdateRequest | |
| 410 b[1] = (byte) (incremental ? 1 : 0); | |
| 411 b[2] = (byte) ((x >> 8) & 0xff); | |
| 412 b[3] = (byte) (x & 0xff); | |
| 413 b[4] = (byte) ((y >> 8) & 0xff); | |
| 414 b[5] = (byte) (y & 0xff); | |
| 415 b[6] = (byte) ((w >> 8) & 0xff); | |
| 416 b[7] = (byte) (w & 0xff); | |
| 417 b[8] = (byte) ((h >> 8) & 0xff); | |
| 418 b[9] = (byte) (h & 0xff); | |
| 419 } | |
|
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420 |
| 223 | 421 public void setViewer(ViewerInterface v) { |
| 422 viewer = v; | |
| 423 } | |
| 424 | |
| 425 public ViewerInterface getViewer() { | |
| 426 return viewer; | |
| 427 } | |
| 428 | |
| 429 | |
| 430 void sendInitData(OutputStream os) throws IOException { | |
| 431 os.write(context.getInitData()); | |
| 432 } | |
| 433 | |
| 434 | |
| 435 public void setTerminationType(boolean setType) { | |
| 436 normalTermination = setType; | |
| 437 } | |
| 438 | |
| 439 public boolean getTerminationType() { | |
| 440 return normalTermination; | |
| 441 } | |
| 43 | 442 |
| 206 | 443 |
| 223 | 444 public void addHostToSelectionPanel(int port, String hostname,String myHostName) { |
| 445 if (rootSelectionPanel != null) { | |
| 446 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 447 rootSelectionPanel.setButton(); | |
| 448 rootSelectionPanel.visible(); | |
| 449 } | |
| 450 } | |
| 43 | 451 |
| 223 | 452 public void createRootSelectionPanel(CreateConnectionParam cp) { |
| 453 rootSelectionPanel = new TreeVncRootSelectionPanel(); | |
| 454 rootSelectionPanel.setCp(cp); | |
| 455 } | |
| 456 | |
|
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457 public void close() { |
| 223 | 458 // none |
| 459 } | |
| 460 | |
| 461 public int getAcceptPort() { | |
| 462 return acceptPort; | |
| 463 } | |
| 464 | |
| 465 public boolean getReadyReconnect() { | |
| 466 return readyReconnect; | |
| 467 } | |
| 65 | 468 |
| 469 | |
| 223 | 470 public boolean getCuiVersion() { |
| 471 return cuiVersion; | |
| 472 } | |
| 66 | 473 |
| 223 | 474 public void setCuiVersion(boolean flag) { |
| 475 cuiVersion = flag; | |
| 476 } | |
| 477 | |
| 478 public void readCheckDelay(Reader reader) throws TransportException { | |
| 479 | |
| 480 } | |
|
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481 |
| 223 | 482 public synchronized void vncConnected(boolean ready) { |
| 483 if (ready && reconnecting) { | |
| 484 Socket vncSocket = viewer.getVNCSocket(); | |
| 485 NetworkInterface ni = nets.getInterface(vncSocket); | |
| 486 if (ni!=null) { | |
| 487 vncInterface = ni.getName(); | |
| 488 System.out.println("VNCNetworkInterface :" + vncInterface); | |
| 489 } | |
| 490 sendDesktopSizeChange(reconnectingId); | |
| 491 reconnecting = false; | |
| 492 if (reconnectingId == 0) { | |
| 493 viewer.setVisible(false); | |
| 494 } | |
| 495 } | |
| 496 if (reconnectingId!=0) { | |
| 497 readyReconnect = ready; | |
| 498 if (ready) { | |
| 499 notifyAll(); | |
| 500 } | |
| 501 } | |
| 502 } | |
|
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503 |
| 202 | 504 |
| 325 | 505 public synchronized void waitForVNCConnection() { |
| 223 | 506 if (reconnectingId!=0) { |
| 507 while (!readyReconnect) { | |
| 325 | 508 try { |
| 509 wait(); | |
| 510 } catch (InterruptedException e) { | |
| 511 e.printStackTrace(); | |
| 512 System.out.println("interrupt wait for vnc connection."); | |
| 513 } | |
| 223 | 514 } |
| 515 } | |
| 516 } | |
| 96 | 517 |
| 518 | |
| 223 | 519 public void sendDesktopSizeChange(short id) { |
| 520 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
| 521 int width = context.getFbWidth(); | |
| 522 int height = context.getFbHeight(); | |
| 304 | 523 byte[] initData = null; |
| 524 | |
| 525 if (filterSingleDisplay) { | |
| 306 | 526 this.originalInitData = createOriginalInitData(singleWidth, singleHeight, context.getRemoteDesktopName()); |
| 527 desktopSize.add(new ChengeDesktopSize(singleWidth, singleHeight, EncodingType.INIT_DATA, originalInitData, id).getMessage()); | |
| 305 | 528 } else { |
| 529 desktopSize.add(new ChengeDesktopSize(width, height, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); | |
| 304 | 530 } |
| 242 | 531 addSerialNumber(desktopSize); |
| 223 | 532 multicastqueue.put(desktopSize); |
| 533 } | |
| 98 | 534 |
| 306 | 535 public byte[] createOriginalInitData(int singleWidth, int singleHeight, String remoteDesktopName) { |
| 536 TreeVncCommandChannelListener treeVncCommandChannelListener = new TreeVncCommandChannelListener(this, acceptPort); | |
| 537 byte[] originalInitData = treeVncCommandChannelListener.createOriginalInitData(singleWidth, singleHeight, remoteDesktopName); | |
| 538 return originalInitData; | |
| 539 } | |
| 540 | |
| 223 | 541 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
| 242 | 542 ByteBuffer serialNum = multicastqueue.allocate(4+8); // addSerialNum flag + SerialNum |
| 243 | 543 if (this.addSerialNum) { |
| 544 serialNum.putInt(1); | |
| 545 } else { | |
| 546 serialNum.putInt(0); | |
| 547 } | |
| 223 | 548 serialNum.putLong(counter++); |
| 549 serialNum.flip(); | |
| 550 bufs.addFirst(serialNum); | |
| 551 } | |
|
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552 |
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553 |
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554 public void resetDecoder() { |
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555 context.resetDecoder(); |
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556 } |
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557 |
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558 public void stopReceiverTask() { |
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559 if (context!=null) |
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560 context.cleanUpSession(null); |
|
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561 // cleanup zlib decoder for new VNCServer |
| 202 | 562 if (isTreeManager()) |
|
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563 inflater = new Inflater(); |
|
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564 } |
|
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565 |
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566 public String getMyAddress() { |
| 174 | 567 return myAddress; |
|
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568 } |
|
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569 |
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570 /** |
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571 * gzip byte arrays |
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572 * |
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573 * @param deflater |
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574 * @param inputs |
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575 * byte data[] |
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576 * @param inputIndex |
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577 * @param outputs |
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578 * 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 |
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623 * |
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624 * @param inflater |
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625 * @param inputs |
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626 * byte data[] |
| 182 | 627 * @param bytes |
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628 * byte data[] |
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629 * @return number of total bytes |
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630 * @throws IOException |
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631 */ |
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632 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
| 318 | 633 int inputIndex, byte[] bytes, int bufSize) { |
| 182 | 634 int position = 0; |
| 635 int limit = bytes.length; | |
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636 while (inputIndex < inputs.size()) { |
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637 ByteBuffer input = inputs.get(inputIndex++); |
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638 inflater.setInput(input.array(), input.position(), input.limit()); |
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639 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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640 // we need this |
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641 // inflater.end(); but this won't work |
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642 do { |
| 318 | 643 int len0; |
| 644 try { | |
| 645 len0 = inflater.inflate(bytes, position, limit-position); | |
| 646 if (len0 > 0) { | |
| 647 position += len0; | |
| 648 if (position > limit) throw new DataFormatException(); | |
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649 } |
| 318 | 650 } catch (DataFormatException e) { |
| 651 e.printStackTrace(); | |
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652 } |
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653 } while (!inflater.needsInput()); |
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654 } |
| 182 | 655 return position; |
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656 } |
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657 |
|
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658 /** |
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659 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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660 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
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661 * @param dataLen |
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662 * @param reader |
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663 * @throws TransportException |
|
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664 * @throws UnsupportedEncodingException |
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665 */ |
| 264 | 666 public void readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
|
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667 throws TransportException, UnsupportedEncodingException { |
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668 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
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669 ByteBuffer header = multicastqueue.allocate(16); |
| 242 | 670 ByteBuffer serial = multicastqueue.allocate(4+8); |
| 202 | 671 if (!isTreeManager()) { |
| 242 | 672 reader.readBytes(serial.array(),0,4+8); |
| 673 serial.limit(4+8); | |
| 182 | 674 } |
| 185 | 675 reader.mark(dataLen); |
|
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676 reader.readBytes(header.array(), 0, 16); |
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677 header.limit(16); |
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678 if (header.get(0) == FramebufferUpdate) { |
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679 int encoding = header.getInt(12); |
| 239 | 680 |
|
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681 if (encoding == EncodingType.ZRLE.getId() |
|
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682 || encoding == EncodingType.ZLIB.getId()) { |
|
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683 // recompress into ZREE |
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684 // uncompressed result is remain in bytes |
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685 ByteBuffer len = multicastqueue.allocate(4); |
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686 reader.readBytes(len.array(), 0, 4); |
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687 len.limit(4); |
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688 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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689 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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690 inputData.limit(dataLen - 20); |
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691 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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692 inputs.add(inputData); |
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693 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 694 // recompress |
| 695 // every time | |
|
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696 // using new Deflecter every time is incompatible with the |
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697 // protocol, clients have to be modified. |
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698 Deflater nDeflater = deflater; // new Deflater(); |
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699 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
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700 try { |
| 182 | 701 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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702 // dump32(inputs); |
| 182 | 703 out.add(ByteBuffer.wrap(bytes)); |
|
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704 int len2 = zip(nDeflater, out, 0, bufs); |
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705 ByteBuffer blen = multicastqueue.allocate(4); |
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706 blen.putInt(len2); |
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707 blen.flip(); |
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708 bufs.addFirst(blen); |
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709 bufs.addFirst(header); |
| 242 | 710 addSerialNumber(bufs); |
| 270 | 711 if (filterSingleDisplay) { |
| 275 | 712 if (rect.x < singleWidth) { |
| 270 | 713 multicastqueue.put(bufs); |
| 714 } | |
| 715 } else { | |
| 716 multicastqueue.put(bufs); | |
| 717 } | |
|
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718 } catch (IOException e) { |
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719 throw new TransportException(e); |
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720 } |
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721 return; |
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722 } |
| 233 | 723 |
|
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724 // ZRLEE is already compressed |
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725 bufs.add(header); |
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726 if (dataLen > 16) { |
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727 ByteBuffer b = multicastqueue.allocate(dataLen - 16); |
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728 reader.readBytes(b.array(), 0, dataLen - 16); |
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729 b.limit(dataLen - 16); |
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730 bufs.add(b); |
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731 } |
| 242 | 732 this.addSerialNumber(bufs); |
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733 multicastqueue.put(bufs); |
| 233 | 734 |
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735 return; |
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736 } |
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737 // It may be compressed. We can inflate here to avoid repeating clients |
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738 // decompressing here, |
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739 // but it may generate too many large data. It is better to do it in |
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740 // each client. |
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741 // But we have do inflation for all input data, so we have to do it |
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742 // here. |
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743 } |
| 124 | 744 |
| 223 | 745 public void setId(short id) { |
| 746 this.id = id; | |
| 747 } | |
| 169 | 748 |
| 223 | 749 public short getId() { |
| 750 return id; | |
| 751 } | |
| 169 | 752 |
| 174 | 753 public void setMyAddress(String myHostName) { |
| 754 this.myAddress = myHostName; | |
| 223 | 755 |
| 174 | 756 } |
| 757 | |
| 758 public void setLeader(boolean leader) { | |
| 759 this.leader = leader; | |
| 760 } | |
| 761 | |
| 762 public boolean isLeader() { | |
| 763 return leader; | |
| 764 } | |
| 765 | |
| 203 | 766 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 767 nets.setTreeManager(intf, clients); |
| 174 | 768 } |
| 223 | 769 |
| 203 | 770 public TreeManagement getTreeManager(String intf) { |
| 231 | 771 TreeManagement tm = nets.getTreeManager(intf); |
| 772 this.nodeList = tm.getList(); | |
| 773 return tm; | |
| 174 | 774 } |
| 775 | |
| 776 /** | |
|
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777 * change VNCServer is called when host change. |
| 174 | 778 * |
| 275 | 779 * @param vncProxyService |
| 174 | 780 * @param hostName |
| 781 * HostAddress | |
| 782 * @param width | |
| 783 * FrameWidth | |
| 784 * @param height | |
| 785 * FrameHeight | |
| 275 | 786 * @param id |
| 174 | 787 */ |
| 788 public void changeVNCServer(ViewerInterface vncProxyService, String hostName, int width, int height, short id) | |
| 325 | 789 throws IOException { |
| 257 | 790 |
| 791 this.frameSizeWidth = width; | |
| 792 this.frameSizeHeight = height; | |
| 283 | 793 singleWidth = frameSizeWidth; |
| 301 | 794 singleHeight = frameSizeHeight; |
| 304 | 795 if (filterSingleDisplay) { |
| 796 // send single display width to other node. | |
| 797 sendSingleDisplaySize(singleWidth, singleHeight); | |
| 798 } | |
| 192 | 799 reconnectingId = id; |
| 223 | 800 vncProxyService.inhelitClients(vncProxyService, hostName); |
| 317 | 801 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 223 | 802 reconnecting = true; |
| 322 | 803 // stop reader stop |
| 804 stopReceiverTask(); | |
| 223 | 805 if (reconnectingId!=0) { |
| 806 waitForVNCConnection(); | |
| 807 } | |
| 174 | 808 } |
| 809 | |
| 810 /** | |
|
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811 * Create send sound thread. |
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812 */ |
| 298 | 813 public void createSendSoundThread(TreeRFBProto rfb) throws SocketException, UnknownHostException { |
| 291 | 814 SendSound sendSound; |
| 293 | 815 // DatagramSocket socket = new DatagramSocket(selectPort(ConnectionParams.DEFAULT_RTP_PORT), InetAddress.getLocalHost()); |
| 291 | 816 if(rfb.isTreeManager()) { |
| 293 | 817 sendSound = new SendSound(socket, rfb); |
| 291 | 818 } else { |
| 292 | 819 String ip = "133.13.57.59"; |
| 820 String port = "60004"; | |
| 293 | 821 sendSound = new SendSound(socket, rfb, ip, port); |
| 291 | 822 } |
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823 Thread sendSoundThread = new Thread(sendSound, "send-sound"); |
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824 sendSoundThread.start(); |
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825 } |
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826 |
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827 /** |
| 174 | 828 * start accepting children |
| 829 * run rootFinderListener if necessary | |
| 830 */ | |
| 176 | 831 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 832 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 833 startTreeVncCommandListener(); |
| 174 | 834 } |
| 835 | |
| 223 | 836 public void startTreeVncCommandListener() { |
| 176 | 837 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 838 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 839 thread.start(); | |
| 176 | 840 } |
| 841 | |
| 174 | 842 public TreeVncCommandChannelListener getAcceptThread() { |
| 843 return acceptThread; | |
| 844 } | |
| 845 | |
| 176 | 846 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
| 847 cp = createConnectionParam; | |
| 848 } | |
| 849 | |
| 850 public CreateConnectionParam getConnectionParam() { | |
| 851 return cp; | |
| 852 } | |
| 853 | |
|
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854 public boolean hasViewer() { |
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855 return hasViewer; |
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856 } |
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857 |
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858 public void setHasViewer(boolean b) { |
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859 hasViewer = b; |
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860 } |
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861 |
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862 public void setReconnecting(boolean b) { |
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863 reconnecting = b; |
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864 } |
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865 |
| 223 | 866 public int getReconnectingId() { |
| 867 return reconnectingId; | |
| 868 } | |
| 869 | |
| 870 public void setShowTree(boolean showTree) { | |
| 240 | 871 this.showTreeNode = showTree; |
| 872 } | |
| 873 | |
| 874 public void setCheckDelay(boolean checkDelay) { | |
| 875 this.checkDelay = checkDelay; | |
| 223 | 876 } |
| 194 | 877 |
| 241 | 878 public void setAddSerialNum(boolean addSerialNum) { |
| 879 this.addSerialNum = addSerialNum; | |
| 880 } | |
| 881 | |
| 235 | 882 public int getNodeNum(int port, String address) { |
|
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883 int nodeNum = 0; |
| 235 | 884 |
|
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885 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext();) { |
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886 TreeVNCNode tvn = (TreeVNCNode)i.next(); |
| 235 | 887 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 888 nodeNum = tvn.treeNum; | |
| 889 return nodeNum; | |
| 890 } | |
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891 } |
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892 return nodeNum; |
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893 } |
| 241 | 894 |
| 257 | 895 public void setFixingSize(boolean fixingSize) { |
| 896 this.fixingSize = fixingSize; | |
| 256 | 897 } |
| 267 | 898 |
| 899 public void setFilterSingleDisplay(boolean filterSingleDisplay) { | |
| 900 this.filterSingleDisplay = filterSingleDisplay; | |
| 901 } | |
| 281 | 902 |
| 293 | 903 private DatagramSocket createSocket() { |
| 904 | |
| 905 try { | |
| 906 if (socket == null) { | |
| 907 this.socket = new DatagramSocket(ConnectionParams.DEFAULT_RTP_PORT, InetAddress.getLocalHost()); | |
| 908 } | |
| 909 } catch (SocketException e) { | |
| 910 e.printStackTrace(); | |
| 911 } catch (UnknownHostException e) { | |
| 912 e.printStackTrace(); | |
| 913 } | |
| 914 return socket; | |
| 915 } | |
| 306 | 916 |
| 917 public void setSingleDisplaySize(int singleWidth, int singleHeight) { | |
| 918 this.singleWidth = singleWidth; | |
| 919 this.singleHeight = singleHeight; | |
| 920 } | |
| 921 | |
| 922 public int getSingleWidth() { | |
| 923 return singleWidth; | |
| 924 } | |
| 925 | |
| 926 public int getSingleHeight() { | |
| 927 return singleHeight; | |
| 928 } | |
| 240 | 929 } |