Mercurial > hg > Applications > TreeVNC
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 283:d18c3f901be7
fix setting singleWidth for -d option
| author | oc |
|---|---|
| date | Sun, 11 Jan 2015 05:12:05 +0900 |
| parents | 6b232caa07fb |
| children | 61938de1dd06 |
| 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; |
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6 import java.net.BindException; |
| 201 | 7 import java.net.NetworkInterface; |
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8 import java.net.ServerSocket; |
| 28 | 9 import java.net.Socket; |
| 174 | 10 import java.net.UnknownHostException; |
| 28 | 11 import java.nio.ByteBuffer; |
| 109 | 12 import java.nio.ByteOrder; |
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13 import java.util.Iterator; |
| 28 | 14 import java.util.LinkedList; |
| 15 import java.util.concurrent.atomic.AtomicInteger; | |
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16 import java.util.zip.DataFormatException; |
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17 import java.util.zip.Deflater; |
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18 import java.util.zip.Inflater; |
| 150 | 19 |
| 28 | 20 import com.glavsoft.exceptions.TransportException; |
| 107 | 21 import com.glavsoft.rfb.client.ClientToServerMessage; |
| 96 | 22 import com.glavsoft.rfb.encoding.EncodingType; |
| 264 | 23 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
| 28 | 24 import com.glavsoft.rfb.protocol.Protocol; |
| 25 import com.glavsoft.rfb.protocol.ProtocolContext; | |
| 26 import com.glavsoft.transport.Reader; | |
| 27 import com.glavsoft.transport.Writer; | |
| 153 | 28 import com.glavsoft.viewer.ViewerInterface; |
| 174 | 29 import com.glavsoft.viewer.swing.ConnectionParams; |
| 28 | 30 |
| 124 | 31 |
| 207 | 32 public class TreeRFBProto { |
| 231 | 33 |
| 223 | 34 final static int FramebufferUpdateRequest = 3; |
| 35 final static int CheckDelay = 11; | |
| 36 protected final static int FramebufferUpdate = 0; | |
| 37 protected ProtocolContext context; | |
| 38 private int clients = 0; | |
| 39 public MulticastQueue<LinkedList<ByteBuffer>> multicastqueue = new MulticastQueue<LinkedList<ByteBuffer>>(); | |
| 40 private RequestScreenThread rThread; | |
| 41 public int acceptPort = 0; | |
| 174 | 42 private String myAddress; |
| 223 | 43 private long counter = 0; // packet serial number |
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44 public ServerSocket servSock; |
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45 private static final int INFLATE_BUFSIZE = 1024 * 100; |
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46 private Inflater inflater = new Inflater(); |
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47 private Deflater deflater = new Deflater(); |
| 174 | 48 ViewerInterface viewer; |
| 223 | 49 private short id; // my tree node id ( = 0 in root ) |
| 174 | 50 private TreeVncCommandChannelListener acceptThread; |
| 51 private TreeRootFinderListener getCast; | |
| 176 | 52 private CreateConnectionParam cp; |
| 187 | 53 private short reconnectingId; // Change Server Request to id's node VNC server |
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54 private TreeVNCNetwork nets = new TreeVNCNetwork(); |
| 223 | 55 private TreeVncRootSelectionPanel rootSelectionPanel; |
| 56 private String vncInterface; | |
| 231 | 57 public LinkedList<TreeVNCNode> nodeList; |
| 267 | 58 |
| 59 protected boolean readyReconnect = false; | |
| 60 private boolean cuiVersion; | |
| 61 private boolean permitChangeScreen = true; | |
| 62 private boolean leader; | |
| 63 private boolean firstTime = true; | |
| 64 private boolean hasViewer = false; | |
| 65 private boolean reconnecting; | |
| 66 private boolean normalTermination; | |
| 67 private boolean isTreeManager; | |
| 68 public boolean showTreeNode = false; | |
| 240 | 69 public boolean checkDelay = false; |
| 241 | 70 public boolean addSerialNum = false; |
| 257 | 71 public boolean fixingSize = false; |
| 267 | 72 public boolean filterSingleDisplay = false; |
| 73 | |
| 257 | 74 public int frameSizeWidth; |
| 75 public int frameSizeHeight; | |
| 76 public int fixingSizeWidth; | |
| 77 public int fixingSizeHeight; | |
| 78 | |
| 275 | 79 public int singleWidth = 0; |
| 80 | |
| 223 | 81 public TreeRFBProto(boolean isTreeManager) { |
| 82 rThread = new RequestScreenThread(this); | |
| 83 nets.setMyRfb(this); | |
| 84 this.isTreeManager = isTreeManager; | |
| 85 } | |
| 86 | |
| 87 public boolean isTreeManager() { | |
| 88 return isTreeManager; | |
| 89 } | |
| 207 | 90 |
| 223 | 91 public ProtocolContext getContext() { |
| 92 return context; | |
| 93 } | |
| 94 | |
| 95 /** | |
| 96 * handle new client accept | |
| 97 * it also handle TreeVNC Command | |
| 98 * @param newCli | |
| 99 * @param os | |
| 100 * @param is | |
| 101 * @throws IOException | |
| 102 * @throws TransportException | |
| 103 */ | |
| 104 public void newClient(final Socket newCli,final Writer os, final Reader is) { | |
| 124 | 105 |
| 223 | 106 final int myId = clients; |
| 107 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 108 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 109 writerRunning.set(1); | |
| 110 /** | |
| 111 * Timeout thread. If a client is suspended, it has top of queue | |
| 112 * indefinitely, which caused memory overflow. After the timeout, we | |
| 113 * poll the queue and discard it. Start long wait if writer is running. | |
| 114 */ | |
| 115 final Runnable timer = new Runnable() { | |
| 116 public void run() { | |
| 117 int count = 0; | |
| 118 for (;;) { | |
| 119 long timeout = 50000 / 8; | |
| 120 try { | |
| 121 synchronized (this) { | |
| 122 int state, flag; | |
| 123 writerRunning.set(0); | |
| 124 wait(timeout); | |
| 125 flag = 0; | |
| 126 while ((state = writerRunning.get()) == 0) { | |
| 127 c.poll(); // discard, should be timeout | |
| 128 count++; | |
| 129 if (flag == 0) { | |
| 130 System.out.println("Discarding " + myId | |
| 131 + " count=" + count); | |
| 132 flag = 1; | |
| 133 } | |
| 134 wait(10); // if this is too short, writer cannot | |
| 135 // take the poll, if this is too | |
| 136 // long, memory will overflow... | |
| 137 } | |
| 138 if (flag == 1) | |
| 139 System.out.println("Resuming " + myId | |
| 140 + " count=" + count); | |
| 141 if (state != 1) { | |
| 142 System.out.println("Client died " + myId); | |
| 143 break; | |
| 144 } | |
| 145 } | |
| 146 } catch (InterruptedException e) { | |
| 147 } | |
| 148 } | |
| 149 } | |
| 150 }; | |
| 151 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 152 /** | |
| 153 * handle command from lower node | |
| 154 */ | |
| 155 final Runnable reader = new Runnable() { | |
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156 public void run() { |
| 223 | 157 for (;;) { |
| 158 try { | |
| 159 final byte b[] = new byte[4096]; | |
| 160 final int c = is.readByte(b); | |
| 161 if (c <= 0) | |
| 162 throw new IOException(); | |
| 163 if (isTreeManager()) { | |
| 164 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 165 if (permitChangeScreen()) { | |
| 166 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 167 buf.order(ByteOrder.BIG_ENDIAN); | |
| 257 | 168 buf.get(); |
| 169 buf.get(); | |
| 170 short id = buf.getShort(); | |
| 171 int length = buf.getInt(); | |
| 223 | 172 if (length == 0) |
| 257 | 173 continue; |
| 174 byte[] byteAddress = new byte[length]; | |
| 175 buf.get(byteAddress); | |
| 176 String newHostName = new String(byteAddress, "UTF-8"); | |
| 177 int frameSizeWidth = buf.getInt(); | |
| 178 int frameSizeHeight = buf.getInt(); | |
| 283 | 179 singleWidth = frameSizeWidth; |
| 223 | 180 System.out.println("Root server change request :" + newHostName); |
| 181 // please remove these numbers. | |
| 182 if (viewer != null) { | |
| 257 | 183 changeVNCServer(viewer, newHostName, frameSizeWidth, frameSizeHeight, id); |
| 223 | 184 } |
| 185 } else { | |
| 186 continue; | |
| 187 } | |
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188 } else if (b[0] == ClientToServerMessage.REQUEST_SINGLE_DISPLAY_WIDTH) { |
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189 ByteBuffer buf = ByteBuffer.wrap(b); |
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190 buf.order(ByteOrder.BIG_ENDIAN); |
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191 buf.get(); |
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192 // ここにエンコーディングタイプがSendSingleDisplayWidthなframebufferUpdateを送信する処理を書く |
| 281 | 193 sendSingleDisplayWidth(singleWidth); |
| 230 | 194 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 195 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 196 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 197 buf.getShort(); |
| 198 Long time = buf.getLong(); | |
| 199 int port = buf.getInt(); | |
| 200 int addressLength = buf.getInt(); | |
| 201 byte[] byteAddress = new byte[addressLength]; | |
| 202 buf.get(byteAddress); | |
| 203 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 204 int nodeNum = getNodeNum(port, address); |
| 230 | 205 Long delay = System.currentTimeMillis() - time; |
| 244 | 206 double halfDelay = (double) delay / 2; |
| 252 | 207 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + halfDelay); |
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208 |
| 239 | 209 // checkNodeNum(); |
| 210 // readSendData(check); | |
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211 |
| 223 | 212 } |
| 213 } else if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 214 ClientToServerMessage sc = new ClientToServerMessage() { | |
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215 @Override |
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216 public void send(Writer writer) |
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217 throws TransportException { |
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218 writer.write(b,0,c); |
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219 } |
| 223 | 220 }; |
| 221 context.sendMessage(sc); | |
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222 } else if (b[0] == ClientToServerMessage.REQUEST_SINGLE_DISPLAY_WIDTH) { |
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223 ClientToServerMessage sc = new ClientToServerMessage() { |
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224 @Override |
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225 public void send(Writer writer) |
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226 throws TransportException { |
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227 writer.write(b, 0, c); |
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228 } |
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229 }; |
| 230 | 230 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 231 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 232 @Override | |
| 233 public void send(Writer writer) | |
| 234 throws TransportException { | |
| 235 writer.write(b,0,c); | |
| 236 } | |
| 237 }; | |
| 238 context.sendMessage(checkDelayReply); | |
| 223 | 239 } |
| 240 } catch (Exception e) { | |
| 241 try { | |
| 242 writerRunning.set(2); | |
| 243 os.close(); | |
| 244 is.close(); | |
| 245 break; | |
| 246 } catch (IOException e1) { | |
| 247 } catch (TransportException e1) { | |
| 248 e1.printStackTrace(); | |
| 249 } | |
| 250 return; | |
| 251 } | |
| 252 } | |
| 253 } | |
| 254 }; | |
| 255 /** | |
| 256 * send packets to a client (one thread for each client ) | |
| 257 */ | |
| 258 Runnable sender = new Runnable() { | |
| 259 public void run() { | |
| 260 writerRunning.set(1); | |
| 261 try { | |
| 262 requestThreadNotify(); | |
| 239 | 263 |
| 223 | 264 // after this, we discard upward packet. |
| 239 | 265 new Thread(reader, "upward-packet-processing").start(); |
| 266 | |
| 223 | 267 for (;;) { |
| 268 LinkedList<ByteBuffer> bufs = c.poll(); | |
| 239 | 269 |
| 223 | 270 int inputIndex = 0; |
| 271 ByteBuffer header = bufs.get(inputIndex); | |
| 272 if (header == null) | |
| 273 continue; | |
| 274 writeToClient(os, bufs, inputIndex); | |
| 275 writerRunning.set(1); // yes my client is awaking. | |
| 276 } | |
| 277 } catch (Exception e) { | |
| 278 try { | |
| 279 writerRunning.set(2); | |
| 280 os.close(); | |
| 281 } catch (IOException e1) { | |
| 282 System.out.println("root writer close faild :" + e1); | |
| 283 } | |
| 284 System.out.println("root writer faild :" + e); | |
| 285 /* if socket closed cliList.remove(newCli); */ | |
| 286 } | |
| 287 } | |
| 288 public void writeToClient(final Writer os, | |
| 289 LinkedList<ByteBuffer> bufs, int inputIndex) | |
| 290 throws TransportException { | |
| 291 while (inputIndex < bufs.size()) { | |
| 292 ByteBuffer b = bufs.get(inputIndex++); | |
| 293 os.write(b.array(), b.position(), b.limit()); | |
| 294 } | |
| 295 os.flush(); | |
| 296 bufs = null; | |
| 297 multicastqueue.heapAvailable(); | |
| 298 } | |
| 299 }; | |
| 300 clients++; | |
| 301 new Thread(sender, "writer-to-lower-node").start(); | |
| 302 } | |
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303 |
| 281 | 304 public void sendSingleDisplayWidth(int singleDisplayWidth) throws UnsupportedEncodingException { |
| 305 LinkedList<ByteBuffer> linkedListSendSingleDisplayWidth = new LinkedList<ByteBuffer>(); | |
| 306 SendSingleDisplayWidth sendSingleDisplayWidth = new SendSingleDisplayWidth(); | |
| 307 linkedListSendSingleDisplayWidth.add(sendSingleDisplayWidth.singleDisplayWidth(0, 0, singleDisplayWidth, 0)); | |
| 308 addSerialNumber(linkedListSendSingleDisplayWidth); | |
| 309 multicastqueue.put(linkedListSendSingleDisplayWidth); | |
| 310 System.out.println(singleDisplayWidth + " : send single display width"); | |
| 311 } | |
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312 |
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313 public boolean permitChangeScreen() { |
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314 return permitChangeScreen; |
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315 } |
| 223 | 316 |
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317 |
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318 public void setPermitChangeScreen(boolean v) { |
| 223 | 319 permitChangeScreen = v; |
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320 } |
| 223 | 321 |
| 322 public void requestThreadNotify() { | |
| 323 rThread.reStart(); | |
| 324 } | |
| 325 | |
| 326 | |
| 28 | 327 public void setProtocolContext(Protocol workingProtocol) { |
| 328 context = workingProtocol; | |
| 329 } | |
| 29 | 330 |
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331 public Socket accept() throws IOException { |
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332 return servSock.accept(); |
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333 } |
| 31 | 334 |
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335 public int selectPort(int p) { |
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336 int port = p; |
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337 while (true) { |
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338 try { |
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339 servSock = new ServerSocket(port); |
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340 acceptPort = port; |
| 181 | 341 myAddress = "127.0.0.1"; |
| 207 | 342 nets.getNetworkInterfaces(); |
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343 break; |
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344 } catch (BindException e) { |
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345 port++; |
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346 continue; |
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347 } catch (IOException e) { |
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348 |
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349 } |
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350 } |
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351 System.out.println("accept port = " + port); |
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352 return port; |
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353 } |
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354 |
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355 |
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356 |
| 223 | 357 public void writeFramebufferUpdateRequest(int x, int y, int w, int h, |
| 358 boolean incremental) throws TransportException { | |
| 359 byte[] b = new byte[10]; | |
| 360 | |
| 361 b[0] = (byte) FramebufferUpdateRequest; // 3 is FrameBufferUpdateRequest | |
| 362 b[1] = (byte) (incremental ? 1 : 0); | |
| 363 b[2] = (byte) ((x >> 8) & 0xff); | |
| 364 b[3] = (byte) (x & 0xff); | |
| 365 b[4] = (byte) ((y >> 8) & 0xff); | |
| 366 b[5] = (byte) (y & 0xff); | |
| 367 b[6] = (byte) ((w >> 8) & 0xff); | |
| 368 b[7] = (byte) (w & 0xff); | |
| 369 b[8] = (byte) ((h >> 8) & 0xff); | |
| 370 b[9] = (byte) (h & 0xff); | |
| 371 } | |
|
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372 |
| 223 | 373 public void setViewer(ViewerInterface v) { |
| 374 viewer = v; | |
| 375 } | |
| 376 | |
| 377 public ViewerInterface getViewer() { | |
| 378 return viewer; | |
| 379 } | |
| 380 | |
| 381 | |
| 382 void sendInitData(OutputStream os) throws IOException { | |
| 383 os.write(context.getInitData()); | |
| 384 } | |
| 385 | |
| 386 | |
| 387 public void setTerminationType(boolean setType) { | |
| 388 normalTermination = setType; | |
| 389 } | |
| 390 | |
| 391 public boolean getTerminationType() { | |
| 392 return normalTermination; | |
| 393 } | |
| 43 | 394 |
| 206 | 395 |
| 223 | 396 public void addHostToSelectionPanel(int port, String hostname,String myHostName) { |
| 397 if (rootSelectionPanel != null) { | |
| 398 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 399 rootSelectionPanel.setButton(); | |
| 400 rootSelectionPanel.visible(); | |
| 401 } | |
| 402 } | |
| 43 | 403 |
| 223 | 404 public void createRootSelectionPanel(CreateConnectionParam cp) { |
| 405 rootSelectionPanel = new TreeVncRootSelectionPanel(); | |
| 406 rootSelectionPanel.setCp(cp); | |
| 407 } | |
| 408 | |
|
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409 public void close() { |
| 223 | 410 // none |
| 411 } | |
| 412 | |
| 413 public int getAcceptPort() { | |
| 414 return acceptPort; | |
| 415 } | |
| 416 | |
| 417 public boolean getReadyReconnect() { | |
| 418 return readyReconnect; | |
| 419 } | |
| 65 | 420 |
| 421 | |
| 223 | 422 public boolean getCuiVersion() { |
| 423 return cuiVersion; | |
| 424 } | |
| 66 | 425 |
| 223 | 426 public void setCuiVersion(boolean flag) { |
| 427 cuiVersion = flag; | |
| 428 } | |
| 429 | |
| 430 public void readCheckDelay(Reader reader) throws TransportException { | |
| 431 | |
| 432 } | |
|
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433 |
| 223 | 434 public synchronized void vncConnected(boolean ready) { |
| 435 if (ready && reconnecting) { | |
| 436 Socket vncSocket = viewer.getVNCSocket(); | |
| 437 NetworkInterface ni = nets.getInterface(vncSocket); | |
| 438 if (ni!=null) { | |
| 439 vncInterface = ni.getName(); | |
| 440 System.out.println("VNCNetworkInterface :" + vncInterface); | |
| 441 } | |
| 442 sendDesktopSizeChange(reconnectingId); | |
| 443 reconnecting = false; | |
| 444 if (reconnectingId == 0) { | |
| 445 viewer.setVisible(false); | |
| 446 } | |
| 447 } | |
| 448 if (reconnectingId!=0) { | |
| 449 readyReconnect = ready; | |
| 450 if (ready) { | |
| 451 notifyAll(); | |
| 452 } | |
| 453 } | |
| 454 } | |
|
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455 |
| 202 | 456 |
| 223 | 457 public synchronized void waitForVNCConnection() throws InterruptedException { |
| 458 if (reconnectingId!=0) { | |
| 459 while (!readyReconnect) { | |
| 460 wait(); | |
| 461 } | |
| 462 } | |
| 463 } | |
| 96 | 464 |
| 465 | |
| 223 | 466 public void sendDesktopSizeChange(short id) { |
| 467 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
| 468 int width = context.getFbWidth(); | |
| 469 int height = context.getFbHeight(); | |
| 277 | 470 desktopSize.add(new ChengeDesktopSize(width, height, EncodingType.INIT_DATA, context.getInitData(),id).getMessage()); |
| 242 | 471 addSerialNumber(desktopSize); |
| 223 | 472 multicastqueue.put(desktopSize); |
| 473 } | |
| 98 | 474 |
| 475 | |
| 223 | 476 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
| 242 | 477 ByteBuffer serialNum = multicastqueue.allocate(4+8); // addSerialNum flag + SerialNum |
| 243 | 478 if (this.addSerialNum) { |
| 479 serialNum.putInt(1); | |
| 480 } else { | |
| 481 serialNum.putInt(0); | |
| 482 } | |
| 223 | 483 serialNum.putLong(counter++); |
| 484 serialNum.flip(); | |
| 485 bufs.addFirst(serialNum); | |
| 486 } | |
|
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487 |
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488 |
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489 public void resetDecoder() { |
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490 context.resetDecoder(); |
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491 } |
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492 |
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493 public void stopReceiverTask() { |
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494 if (context!=null) |
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495 context.cleanUpSession(null); |
|
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496 // cleanup zlib decoder for new VNCServer |
| 202 | 497 if (isTreeManager()) |
|
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498 inflater = new Inflater(); |
|
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499 } |
|
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500 |
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501 public String getMyAddress() { |
| 174 | 502 return myAddress; |
|
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503 } |
|
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504 |
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505 /** |
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506 * gzip byte arrays |
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507 * |
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508 * @param deflater |
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509 * @param inputs |
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510 * byte data[] |
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511 * @param inputIndex |
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512 * @param outputs |
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513 * byte data[] |
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514 * @return byte length in last byte array |
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515 * @throws IOException |
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516 */ |
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517 public int zip(Deflater deflater, LinkedList<ByteBuffer> inputs, |
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518 int inputIndex, LinkedList<ByteBuffer> outputs) throws IOException { |
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519 int len = 0; |
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520 ByteBuffer c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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521 while (inputIndex < inputs.size()) { |
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522 ByteBuffer b1 = inputs.get(inputIndex++); |
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523 deflater.setInput(b1.array(), b1.position(), b1.remaining()); |
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524 /** |
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525 * If we finish() stream and reset() it, Deflater start new gzip |
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526 * stream, this makes continuous zlib reader unhappy. if we remove |
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527 * finish(), Deflater.deflate() never flushes its output. The |
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528 * original zlib deflate has flush flag. I'm pretty sure this a kind |
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529 * of bug of Java library. |
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530 */ |
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531 if (inputIndex == inputs.size()) |
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532 deflater.finish(); |
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533 int len1 = 0; |
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534 do { |
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535 len1 = deflater.deflate(c1.array(), c1.position(), |
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536 c1.remaining()); |
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537 if (len1 > 0) { |
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538 len += len1; |
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539 c1.position(c1.position() + len1); |
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540 if (c1.remaining() == 0) { |
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541 c1.flip(); |
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542 outputs.addLast(c1); |
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543 c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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544 } |
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545 } |
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546 } while (len1 > 0 || !deflater.needsInput()); // &&!deflater.finished()); |
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547 } |
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548 if (c1.position() != 0) { |
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549 c1.flip(); |
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550 outputs.addLast(c1); |
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551 } |
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552 deflater.reset(); |
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553 return len; |
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554 } |
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555 |
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556 /** |
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557 * gunzip byte arrays |
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558 * |
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559 * @param inflater |
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560 * @param inputs |
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561 * byte data[] |
| 182 | 562 * @param bytes |
|
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563 * byte data[] |
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564 * @return number of total bytes |
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565 * @throws IOException |
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566 */ |
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567 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
| 182 | 568 int inputIndex, byte[] bytes, int bufSize) |
| 223 | 569 throws DataFormatException { |
| 182 | 570 int position = 0; |
| 571 int limit = bytes.length; | |
|
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572 while (inputIndex < inputs.size()) { |
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573 ByteBuffer input = inputs.get(inputIndex++); |
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574 inflater.setInput(input.array(), input.position(), input.limit()); |
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575 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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576 // we need this |
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577 // inflater.end(); but this won't work |
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578 do { |
| 182 | 579 int len0 = inflater.inflate(bytes, position, |
| 580 limit-position); | |
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581 if (len0 > 0) { |
| 223 | 582 position += len0; |
| 182 | 583 if (position > limit) { |
| 223 | 584 throw new DataFormatException(); |
|
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585 } |
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586 } |
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587 } while (!inflater.needsInput()); |
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588 } |
| 182 | 589 return position; |
|
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590 } |
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591 |
|
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592 /** |
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593 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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594 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
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595 * @param dataLen |
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596 * @param reader |
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597 * @throws TransportException |
|
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598 * @throws UnsupportedEncodingException |
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599 */ |
| 264 | 600 public void readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
|
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601 throws TransportException, UnsupportedEncodingException { |
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602 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
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603 ByteBuffer header = multicastqueue.allocate(16); |
| 242 | 604 ByteBuffer serial = multicastqueue.allocate(4+8); |
| 202 | 605 if (!isTreeManager()) { |
| 242 | 606 reader.readBytes(serial.array(),0,4+8); |
| 607 serial.limit(4+8); | |
| 182 | 608 } |
| 185 | 609 reader.mark(dataLen); |
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610 reader.readBytes(header.array(), 0, 16); |
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611 header.limit(16); |
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612 if (header.get(0) == FramebufferUpdate) { |
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613 int encoding = header.getInt(12); |
| 239 | 614 |
|
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615 if (encoding == EncodingType.ZRLE.getId() |
|
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616 || encoding == EncodingType.ZLIB.getId()) { |
|
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617 // recompress into ZREE |
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618 // uncompressed result is remain in bytes |
|
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619 ByteBuffer len = multicastqueue.allocate(4); |
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620 reader.readBytes(len.array(), 0, 4); |
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621 len.limit(4); |
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622 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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623 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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624 inputData.limit(dataLen - 20); |
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625 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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626 inputs.add(inputData); |
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627 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 628 // recompress |
| 629 // every time | |
|
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630 // using new Deflecter every time is incompatible with the |
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631 // protocol, clients have to be modified. |
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632 Deflater nDeflater = deflater; // new Deflater(); |
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633 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
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634 try { |
| 182 | 635 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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636 // dump32(inputs); |
| 182 | 637 out.add(ByteBuffer.wrap(bytes)); |
|
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638 int len2 = zip(nDeflater, out, 0, bufs); |
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639 ByteBuffer blen = multicastqueue.allocate(4); |
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640 blen.putInt(len2); |
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641 blen.flip(); |
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642 bufs.addFirst(blen); |
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643 bufs.addFirst(header); |
| 242 | 644 addSerialNumber(bufs); |
| 270 | 645 if (filterSingleDisplay) { |
| 275 | 646 if (rect.x < singleWidth) { |
| 270 | 647 multicastqueue.put(bufs); |
| 648 } | |
| 649 } else { | |
| 650 multicastqueue.put(bufs); | |
| 651 } | |
|
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652 } catch (DataFormatException e) { |
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653 throw new TransportException(e); |
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654 } catch (IOException e) { |
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655 throw new TransportException(e); |
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656 } |
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657 return; |
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658 } |
| 233 | 659 |
|
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660 // ZRLEE is already compressed |
|
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661 bufs.add(header); |
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662 if (dataLen > 16) { |
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663 ByteBuffer b = multicastqueue.allocate(dataLen - 16); |
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664 reader.readBytes(b.array(), 0, dataLen - 16); |
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665 b.limit(dataLen - 16); |
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666 bufs.add(b); |
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667 } |
| 242 | 668 this.addSerialNumber(bufs); |
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669 multicastqueue.put(bufs); |
| 233 | 670 |
|
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671 return; |
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672 } |
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673 // It may be compressed. We can inflate here to avoid repeating clients |
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674 // decompressing here, |
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675 // but it may generate too many large data. It is better to do it in |
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676 // each client. |
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677 // But we have do inflation for all input data, so we have to do it |
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678 // here. |
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679 } |
| 124 | 680 |
| 223 | 681 public void setId(short id) { |
| 682 this.id = id; | |
| 683 } | |
| 169 | 684 |
| 223 | 685 public short getId() { |
| 686 return id; | |
| 687 } | |
| 169 | 688 |
| 174 | 689 public void setMyAddress(String myHostName) { |
| 690 this.myAddress = myHostName; | |
| 223 | 691 |
| 174 | 692 } |
| 693 | |
| 694 public void setLeader(boolean leader) { | |
| 695 this.leader = leader; | |
| 696 } | |
| 697 | |
| 698 public boolean isLeader() { | |
| 699 return leader; | |
| 700 } | |
| 701 | |
| 203 | 702 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 703 nets.setTreeManager(intf, clients); |
| 174 | 704 } |
| 223 | 705 |
| 203 | 706 public TreeManagement getTreeManager(String intf) { |
| 231 | 707 TreeManagement tm = nets.getTreeManager(intf); |
| 708 this.nodeList = tm.getList(); | |
| 709 return tm; | |
| 174 | 710 } |
| 711 | |
| 712 /** | |
| 713 * chnageVNCServer is called when host change. | |
| 714 * | |
| 275 | 715 * @param vncProxyService |
| 174 | 716 * @param hostName |
| 717 * HostAddress | |
| 718 * @param width | |
| 719 * FrameWidth | |
| 720 * @param height | |
| 721 * FrameHeight | |
| 275 | 722 * @param id |
| 723 * @throws InterruptedException | |
| 174 | 724 */ |
| 725 public void changeVNCServer(ViewerInterface vncProxyService, String hostName, int width, int height, short id) | |
| 223 | 726 throws UnknownHostException, IOException, InterruptedException { |
| 257 | 727 |
| 728 this.frameSizeWidth = width; | |
| 729 this.frameSizeHeight = height; | |
| 283 | 730 singleWidth = frameSizeWidth; |
| 257 | 731 |
| 223 | 732 // stop reader stop |
| 174 | 733 stopReceiverTask(); |
| 192 | 734 reconnectingId = id; |
| 223 | 735 vncProxyService.inhelitClients(vncProxyService, hostName); |
| 187 | 736 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 223 | 737 reconnecting = true; |
| 738 if (reconnectingId!=0) { | |
| 739 waitForVNCConnection(); | |
| 740 } | |
| 174 | 741 } |
| 742 | |
| 743 /** | |
| 744 * start accepting children | |
| 745 * run rootFinderListener if necessary | |
| 746 */ | |
| 176 | 747 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 748 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 749 startTreeVncCommandListener(); |
| 223 | 750 if(isTreeManager() && firstTime) { |
| 751 getCast = new TreeRootFinderListener(v); | |
| 239 | 752 Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener"); |
| 753 treeRootFindThread.start(); | |
| 223 | 754 firstTime = false; |
| 755 } | |
| 174 | 756 } |
| 757 | |
| 223 | 758 public void startTreeVncCommandListener() { |
| 176 | 759 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 760 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 761 thread.start(); | |
| 176 | 762 } |
| 763 | |
| 174 | 764 public TreeVncCommandChannelListener getAcceptThread() { |
| 765 return acceptThread; | |
| 766 } | |
| 767 | |
| 176 | 768 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
| 769 cp = createConnectionParam; | |
| 770 } | |
| 771 | |
| 772 public CreateConnectionParam getConnectionParam() { | |
| 773 return cp; | |
| 774 } | |
| 775 | |
|
178
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776 public boolean hasViewer() { |
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777 return hasViewer; |
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778 } |
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779 |
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780 public void setHasViewer(boolean b) { |
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781 hasViewer = b; |
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782 } |
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783 |
|
186
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784 public void setReconnecting(boolean b) { |
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785 reconnecting = b; |
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786 } |
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787 |
| 223 | 788 public int getReconnectingId() { |
| 789 return reconnectingId; | |
| 790 } | |
| 791 | |
| 792 public void setShowTree(boolean showTree) { | |
| 240 | 793 this.showTreeNode = showTree; |
| 794 } | |
| 795 | |
| 796 public void setCheckDelay(boolean checkDelay) { | |
| 797 this.checkDelay = checkDelay; | |
| 223 | 798 } |
| 194 | 799 |
| 241 | 800 public void setAddSerialNum(boolean addSerialNum) { |
| 801 this.addSerialNum = addSerialNum; | |
| 802 } | |
| 803 | |
| 235 | 804 public int getNodeNum(int port, String address) { |
|
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805 int nodeNum = 0; |
| 235 | 806 |
|
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807 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext();) { |
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808 TreeVNCNode tvn = (TreeVNCNode)i.next(); |
| 235 | 809 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 810 nodeNum = tvn.treeNum; | |
| 811 return nodeNum; | |
| 812 } | |
|
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813 } |
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814 return nodeNum; |
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815 } |
| 241 | 816 |
| 257 | 817 public void setFixingSize(boolean fixingSize) { |
| 818 this.fixingSize = fixingSize; | |
| 256 | 819 } |
| 267 | 820 |
| 821 public void setFilterSingleDisplay(boolean filterSingleDisplay) { | |
| 822 this.filterSingleDisplay = filterSingleDisplay; | |
| 823 } | |
| 281 | 824 |
| 240 | 825 } |