Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 479:8f5a2d152c38
merge
| author | oshiro |
|---|---|
| date | Wed, 28 Nov 2018 19:05:58 +0900 |
| parents | f0bd5f2c4ba3 |
| children | 141f627665ab |
| rev | line source |
|---|---|
| 32 | 1 package jp.ac.u_ryukyu.treevnc; |
| 28 | 2 |
|
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3 import com.glavsoft.exceptions.TransportException; |
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4 import com.glavsoft.rfb.client.ClientToServerMessage; |
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5 import com.glavsoft.rfb.encoding.EncodingType; |
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6 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
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7 import com.glavsoft.rfb.protocol.Protocol; |
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8 import com.glavsoft.rfb.protocol.ProtocolContext; |
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9 import com.glavsoft.transport.Reader; |
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10 import com.glavsoft.transport.Writer; |
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11 import com.glavsoft.viewer.ConnectionPresenter; |
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12 import com.glavsoft.viewer.ViewerInterface; |
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13 import com.glavsoft.viewer.swing.ConnectionParams; |
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14 |
| 28 | 15 import java.io.IOException; |
| 206 | 16 import java.io.OutputStream; |
|
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17 import java.io.UnsupportedEncodingException; |
| 291 | 18 import java.net.*; |
| 28 | 19 import java.nio.ByteBuffer; |
| 109 | 20 import java.nio.ByteOrder; |
| 369 | 21 import java.util.Enumeration; |
|
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22 import java.util.Iterator; |
| 28 | 23 import java.util.LinkedList; |
| 24 import java.util.concurrent.atomic.AtomicInteger; | |
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25 import java.util.zip.DataFormatException; |
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26 import java.util.zip.Deflater; |
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27 import java.util.zip.Inflater; |
| 150 | 28 |
| 124 | 29 |
| 207 | 30 public class TreeRFBProto { |
| 231 | 31 |
| 223 | 32 final static int 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 public int acceptPort = 0; | |
| 174 | 38 private String myAddress; |
| 223 | 39 private long counter = 0; // packet serial number |
|
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40 public ServerSocket servSock; |
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41 private static final int INFLATE_BUFSIZE = 1024 * 100; |
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42 private Inflater inflater = new Inflater(); |
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43 private Deflater deflater = new Deflater(); |
| 174 | 44 ViewerInterface viewer; |
| 341 | 45 private short id = 0; // my tree node id ( = 0 in root ), -1 means no parent |
| 471 | 46 private short sharingId = -1; // VNCServer's id. this is used control visivility |
| 174 | 47 private TreeVncCommandChannelListener acceptThread; |
| 48 private TreeRootFinderListener getCast; | |
| 176 | 49 private CreateConnectionParam cp; |
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50 private ConnectionPresenter connectionPresenter; |
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51 private TreeVNCNetwork nets = new TreeVNCNetwork(); |
| 223 | 52 private TreeVncRootSelectionPanel rootSelectionPanel; |
| 53 private String vncInterface; | |
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54 private TreeManagement treeManager; |
| 231 | 55 public LinkedList<TreeVNCNode> nodeList; |
| 267 | 56 |
| 57 protected boolean readyReconnect = false; | |
| 58 private boolean cuiVersion; | |
| 59 private boolean permitChangeScreen = true; | |
| 60 private boolean leader; | |
| 61 private boolean hasViewer = false; | |
| 62 private boolean normalTermination; | |
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63 |
| 267 | 64 private boolean isTreeManager; |
| 65 public boolean showTreeNode = false; | |
| 240 | 66 public boolean checkDelay = false; |
| 241 | 67 public boolean addSerialNum = false; |
| 257 | 68 public boolean fixingSize = false; |
| 69 public int fixingSizeWidth; | |
| 70 public int fixingSizeHeight; | |
| 293 | 71 private DatagramSocket socket = null; |
| 306 | 72 private byte[] originalInitData = null; |
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73 private boolean childrenMulticast = true; |
| 474 | 74 private static int uniqueNodeId = 0; // uniquenodeid in all trees (less than MAX_UNIQUE_NODE_ID) |
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75 |
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76 public TreeRFBProto(boolean isTreeManager, ViewerInterface viewer) { |
| 223 | 77 nets.setMyRfb(this); |
| 78 this.isTreeManager = isTreeManager; | |
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79 this.viewer = viewer; |
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80 startTreeRootFindThread(); |
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81 } |
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82 |
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83 public void startTreeRootFindThread() { |
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84 if (isTreeManager()) { |
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85 getCast = new TreeRootFinderListener(viewer); |
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86 Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener"); |
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87 treeRootFindThread.start(); |
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88 } |
| 223 | 89 } |
| 90 | |
| 91 public boolean isTreeManager() { | |
| 92 return isTreeManager; | |
| 93 } | |
| 207 | 94 |
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95 public void setIsTreeManager(boolean isTreeManager) { |
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96 this.isTreeManager = isTreeManager; |
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97 } |
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98 |
| 378 | 99 public boolean isAddSerialNum() { |
| 100 return addSerialNum; | |
| 101 } | |
| 102 | |
| 223 | 103 public ProtocolContext getContext() { |
| 104 return context; | |
| 105 } | |
| 106 | |
| 107 /** | |
|
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108 * handle new client accept |
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109 * it also handle TreeVNC Command |
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110 * |
| 223 | 111 * @param os |
| 112 * @param is | |
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113 * @param intf |
| 223 | 114 * @throws IOException |
| 115 * @throws TransportException | |
| 116 */ | |
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117 public void newClient(final Writer os, final Reader is, final String intf) { |
| 223 | 118 final int myId = clients; |
| 119 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 120 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 121 writerRunning.set(1); | |
| 122 /** | |
| 123 * Timeout thread. If a client is suspended, it has top of queue | |
| 124 * indefinitely, which caused memory overflow. After the timeout, we | |
| 125 * poll the queue and discard it. Start long wait if writer is running. | |
| 126 */ | |
| 127 final Runnable timer = new Runnable() { | |
| 128 public void run() { | |
| 129 int count = 0; | |
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130 for (; ; ) { |
| 223 | 131 long timeout = 50000 / 8; |
| 132 try { | |
| 133 synchronized (this) { | |
| 134 int state, flag; | |
| 135 writerRunning.set(0); | |
| 136 wait(timeout); | |
| 137 flag = 0; | |
| 138 while ((state = writerRunning.get()) == 0) { | |
| 139 c.poll(); // discard, should be timeout | |
| 140 count++; | |
| 141 if (flag == 0) { | |
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142 // System.out.println("Discarding " + myId + " count=" + count); |
| 223 | 143 flag = 1; |
| 144 } | |
| 145 wait(10); // if this is too short, writer cannot | |
| 146 // take the poll, if this is too | |
| 147 // long, memory will overflow... | |
| 148 } | |
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149 // if (flag == 1) |
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150 // System.out.println("Resuming " + myId + " count=" + count); |
| 223 | 151 if (state != 1) { |
| 152 System.out.println("Client died " + myId); | |
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153 // System.out.println("task stop"); |
| 330 | 154 String rootHostName = null; |
| 155 int rootHostPort = 0; | |
| 156 String myHostName = null; | |
| 157 int myHostPort = 0; | |
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158 clients = myId; |
| 385 | 159 if (!isTreeManager) { |
| 330 | 160 rootHostName = getConnectionParam().getHostName(); |
| 161 rootHostPort = getConnectionParam().getPort(); | |
| 162 myHostName = getMyAddress(); | |
| 163 myHostPort = getAcceptPort(); | |
| 385 | 164 TreeVncProtocol echo = new TreeVncProtocol(rootHostName, rootHostPort); |
| 165 echo.lostChild(myHostName, myHostPort, myId); | |
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166 } else { |
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167 getTreeManager(intf).fixLostChild1(myId + 1); |
| 330 | 168 } |
| 223 | 169 break; |
| 170 } | |
| 171 } | |
| 172 } catch (InterruptedException e) { | |
| 325 | 173 e.printStackTrace(); |
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174 System.out.println("timer thread interrupted."); |
| 223 | 175 } |
| 176 } | |
| 177 } | |
| 178 }; | |
| 179 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 180 /** | |
| 181 * handle command from lower node | |
| 182 */ | |
| 183 final Runnable reader = new Runnable() { | |
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184 public void run() { |
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185 for (; ; ) { |
| 223 | 186 try { |
| 187 final byte b[] = new byte[4096]; | |
| 188 final int c = is.readByte(b); | |
| 189 if (c <= 0) | |
| 190 throw new IOException(); | |
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191 // case of root node. |
| 223 | 192 if (isTreeManager()) { |
| 193 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 194 if (permitChangeScreen()) { | |
| 195 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 196 buf.order(ByteOrder.BIG_ENDIAN); | |
| 325 | 197 buf.get(); // padding |
| 257 | 198 buf.get(); |
| 199 short id = buf.getShort(); | |
| 200 int length = buf.getInt(); | |
| 325 | 201 if (length == 0) |
| 202 continue; | |
| 257 | 203 byte[] byteAddress = new byte[length]; |
| 204 buf.get(byteAddress); | |
| 325 | 205 String newHostName = new String(byteAddress, "UTF-8"); |
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206 int x = buf.getInt(); |
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207 int y = buf.getInt(); |
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208 int singleWidth = buf.getInt(); |
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209 int singleHeight = buf.getInt(); |
| 340 | 210 int port = buf.getInt(); |
| 410 | 211 int scale = buf.getInt(); |
| 479 | 212 System.out.println("Root server change request :" + newHostName + " : " + port + " id:" + id); |
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213 changeVNCServer(viewer, newHostName, port, x, y, singleWidth, singleHeight, scale, id, is, os); |
| 223 | 214 } else { |
| 215 continue; | |
| 216 } | |
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217 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
| 293 | 218 int rtpPort = selectPort(ConnectionParams.DEFAULT_RTP_PORT); |
| 219 InetAddress hostname = InetAddress.getLocalHost(); | |
| 220 ReceiveSound receiveSound = new ReceiveSound(socket); | |
| 221 Thread receiveSoundThread = new Thread(receiveSound, "receive-sound"); | |
| 222 receiveSoundThread.start(); | |
| 230 | 223 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 224 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 225 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 226 buf.getShort(); |
| 227 Long time = buf.getLong(); | |
| 228 int port = buf.getInt(); | |
| 229 int addressLength = buf.getInt(); | |
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230 int dataLen = buf.getInt(); |
| 234 | 231 byte[] byteAddress = new byte[addressLength]; |
| 232 buf.get(byteAddress); | |
| 233 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 234 int nodeNum = getNodeNum(port, address); |
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235 if (nodeNum != 0) { |
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236 Long delay = System.currentTimeMillis() - time; |
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237 if (delay > 3000) { |
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238 getTreeManager(intf).fixLostChild1(nodeNum); |
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239 } |
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240 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + delay + ", size : " + dataLen); |
|
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241 } |
| 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); |
|
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253 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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254 ClientToServerMessage readyShareSound = 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 { |
| 325 | 258 writer.write(b, 0, c); |
|
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259 } |
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260 }; |
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261 context.sendMessage(readyShareSound); |
| 230 | 262 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 263 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 264 @Override | |
| 265 public void send(Writer writer) | |
| 266 throws TransportException { | |
| 325 | 267 writer.write(b, 0, c); |
| 230 | 268 } |
| 269 }; | |
| 270 context.sendMessage(checkDelayReply); | |
| 223 | 271 } |
| 272 } catch (Exception e) { | |
| 273 try { | |
| 274 writerRunning.set(2); | |
| 275 os.close(); | |
| 276 is.close(); | |
| 277 break; | |
| 367 | 278 } catch (Exception e1) { |
|
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279 System.out.println("cannot close ClientToServerMessage " + e1); |
| 367 | 280 |
| 223 | 281 } |
|
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282 System.out.println("cannot read ClientToServerMessage " + e); |
| 367 | 283 |
| 223 | 284 return; |
| 285 } | |
| 325 | 286 |
| 287 /* | |
| 288 // あとで検討 | |
| 289 } catch (TransportException e) { | |
| 290 | |
| 291 } | |
| 292 */ | |
| 223 | 293 } |
| 294 } | |
| 295 }; | |
| 296 /** | |
| 297 * send packets to a client (one thread for each client ) | |
| 298 */ | |
| 299 Runnable sender = new Runnable() { | |
| 300 public void run() { | |
| 301 writerRunning.set(1); | |
| 302 try { | |
|
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303 requestThreadNotify(); // send full screen request via fullScreenRequestThread |
| 384 | 304 |
| 223 | 305 // after this, we discard upward packet. |
| 239 | 306 new Thread(reader, "upward-packet-processing").start(); |
|
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307 |
|
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308 for (; ; ) { |
| 223 | 309 LinkedList<ByteBuffer> bufs = c.poll(); |
| 310 int inputIndex = 0; | |
| 311 ByteBuffer header = bufs.get(inputIndex); | |
| 312 if (header == null) | |
| 313 continue; | |
| 314 writeToClient(os, bufs, inputIndex); | |
| 315 writerRunning.set(1); // yes my client is awaking. | |
|
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316 if (!childrenMulticast) { |
|
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317 for (; ; ) { |
|
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318 LinkedList<ByteBuffer> flag = c.poll(); |
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319 if (flag.size() == 0) { |
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320 break; |
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321 } |
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322 } |
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323 } |
| 223 | 324 } |
| 325 } catch (Exception e) { | |
| 326 try { | |
| 327 writerRunning.set(2); | |
| 328 os.close(); | |
| 329 } catch (IOException e1) { | |
|
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330 System.out.println("root writer close failed :" + e1); |
| 223 | 331 } |
|
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332 System.out.println("root writer failed :" + e); |
| 223 | 333 /* if socket closed cliList.remove(newCli); */ |
| 334 } | |
| 335 } | |
|
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336 |
| 223 | 337 public void writeToClient(final Writer os, |
|
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338 LinkedList<ByteBuffer> bufs, int inputIndex) |
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339 throws TransportException { |
| 354 | 340 while (inputIndex < bufs.size()) { |
| 223 | 341 ByteBuffer b = bufs.get(inputIndex++); |
| 342 os.write(b.array(), b.position(), b.limit()); | |
| 343 } | |
| 344 os.flush(); | |
| 345 multicastqueue.heapAvailable(); | |
| 346 } | |
| 347 }; | |
| 348 clients++; | |
| 349 new Thread(sender, "writer-to-lower-node").start(); | |
| 350 } | |
|
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351 |
|
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352 public boolean permitChangeScreen() { |
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353 return permitChangeScreen; |
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354 } |
| 223 | 355 |
|
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356 |
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357 public void setPermitChangeScreen(boolean v) { |
| 223 | 358 permitChangeScreen = v; |
|
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359 } |
| 223 | 360 |
| 361 public void requestThreadNotify() { | |
|
448
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362 // send full screen update |
| 223 | 363 } |
| 364 | |
| 365 | |
| 28 | 366 public void setProtocolContext(Protocol workingProtocol) { |
| 367 context = workingProtocol; | |
| 368 } | |
| 29 | 369 |
|
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370 public Socket accept() throws IOException { |
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371 return servSock.accept(); |
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372 } |
| 31 | 373 |
|
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374 public int selectPort(int p) { |
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375 int port = p; |
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376 while (true) { |
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377 try { |
|
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378 servSock = new ServerSocket(port); |
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379 acceptPort = port; |
| 181 | 380 myAddress = "127.0.0.1"; |
| 207 | 381 nets.getNetworkInterfaces(); |
|
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382 break; |
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383 } catch (BindException e) { |
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384 port++; |
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385 continue; |
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386 } catch (IOException e) { |
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387 |
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388 } |
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389 } |
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390 System.out.println("accept port = " + port); |
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391 return port; |
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392 } |
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393 |
| 223 | 394 public void setViewer(ViewerInterface v) { |
| 395 viewer = v; | |
| 396 } | |
| 397 | |
| 398 public ViewerInterface getViewer() { | |
| 399 return viewer; | |
| 400 } | |
| 401 | |
| 402 | |
| 403 void sendInitData(OutputStream os) throws IOException { | |
| 404 os.write(context.getInitData()); | |
| 405 } | |
| 406 | |
| 407 | |
| 408 public void setTerminationType(boolean setType) { | |
| 409 normalTermination = setType; | |
| 410 } | |
| 411 | |
| 412 public boolean getTerminationType() { | |
| 413 return normalTermination; | |
| 414 } | |
| 43 | 415 |
| 206 | 416 |
|
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417 public void addHostToSelectionPanel(int port, String hostname, String myHostName) { |
| 223 | 418 if (rootSelectionPanel != null) { |
| 419 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 384 | 420 rootSelectionPanel.visible(); |
| 223 | 421 } |
| 422 } | |
| 43 | 423 |
|
399
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424 public void createRootSelectionPanel(CreateConnectionParam cp, FindRoot getBcast) { |
|
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425 rootSelectionPanel = new TreeVncRootSelectionPanel(getBcast); |
| 223 | 426 rootSelectionPanel.setCp(cp); |
|
399
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427 rootSelectionPanel.visible(); |
| 223 | 428 } |
| 429 | |
|
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430 public void close() { |
| 223 | 431 // none |
| 432 } | |
| 433 | |
| 434 public int getAcceptPort() { | |
| 435 return acceptPort; | |
| 436 } | |
| 437 | |
| 438 public boolean getReadyReconnect() { | |
| 439 return readyReconnect; | |
| 440 } | |
| 65 | 441 |
| 442 | |
| 223 | 443 public boolean getCuiVersion() { |
| 444 return cuiVersion; | |
| 384 | 445 } |
| 66 | 446 |
|
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447 public void setCuiVersion(boolean flag) { |
| 223 | 448 cuiVersion = flag; |
| 449 } | |
| 450 | |
| 451 public void readCheckDelay(Reader reader) throws TransportException { | |
| 452 | |
| 453 } | |
|
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454 |
| 223 | 455 public synchronized void vncConnected(boolean ready) { |
|
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456 enableChildrenTransmission(); |
| 369 | 457 readyReconnect = ready; |
| 458 if (ready) { | |
| 459 notifyAll(); | |
| 223 | 460 } |
|
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461 } |
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462 |
| 369 | 463 public void printNetworkInterface() { |
|
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464 Socket vncSocket = viewer.getVNCSocket(); |
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465 NetworkInterface ni = nets.getInterface(vncSocket); |
|
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466 if (ni != null) { |
|
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467 vncInterface = ni.getName(); |
| 369 | 468 System.out.print("VNCNetworkInterface :" + vncInterface); |
|
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469 if (false) { |
| 370 | 470 Enumeration<InetAddress> addresses = ni.getInetAddresses(); |
| 471 while (addresses.hasMoreElements()) { | |
| 472 InetAddress adr = addresses.nextElement(); | |
| 473 System.out.print(" " + adr); | |
| 474 } | |
| 369 | 475 } |
| 476 System.out.println(); | |
|
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477 } |
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478 } |
|
94
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479 |
| 223 | 480 public void sendDesktopSizeChange(short id) { |
| 481 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
|
454
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482 int singleWidth = connectionPresenter.getSingleWidth(); |
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483 int singleHeight = connectionPresenter.getSingleHeight(); |
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484 int x = connectionPresenter.getX(); |
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485 int y = connectionPresenter.getY(); |
|
448
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486 desktopSize.add(new ChangeDesktopSize(context.getFbWidth(), context.getFbHeight(), singleWidth,singleHeight, x, y, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); |
| 380 | 487 if (addSerialNum) { |
| 488 addSerialNumber(desktopSize); | |
| 489 } | |
| 223 | 490 multicastqueue.put(desktopSize); |
| 491 } | |
| 98 | 492 |
| 306 | 493 public byte[] createOriginalInitData(int singleWidth, int singleHeight, String remoteDesktopName) { |
| 494 TreeVncCommandChannelListener treeVncCommandChannelListener = new TreeVncCommandChannelListener(this, acceptPort); | |
| 495 byte[] originalInitData = treeVncCommandChannelListener.createOriginalInitData(singleWidth, singleHeight, remoteDesktopName); | |
| 496 return originalInitData; | |
| 497 } | |
| 498 | |
| 223 | 499 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
|
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500 ByteBuffer serialNum = multicastqueue.allocate(4 + 8); // addSerialNum flag + SerialNum |
| 380 | 501 serialNum.putInt(1); |
| 223 | 502 serialNum.putLong(counter++); |
| 503 serialNum.flip(); | |
| 504 bufs.addFirst(serialNum); | |
| 505 } | |
|
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506 |
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507 |
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508 public void resetDecoder() { |
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509 context.resetDecoder(); |
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510 } |
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511 |
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512 public void stopReceiverTask() { |
|
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513 if (context != null) { |
|
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514 context.cleanUpSession(null); |
|
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515 context.getRfb().clearChildrenTransmission(); |
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516 } |
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517 // cleanup zlib decoder for new VNCServer |
| 202 | 518 if (isTreeManager()) |
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519 inflater = new Inflater(); |
|
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520 } |
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521 |
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522 public void clearChildrenTransmission() { |
| 355 | 523 // discarding does not work now. |
| 524 | |
| 525 /* | |
|
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526 // set discard flag |
| 354 | 527 childrenMulticast = false; |
|
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528 // put gurd erement to restart multicastqueue. |
| 354 | 529 multicastqueue.put(new LinkedList<ByteBuffer>()); |
| 355 | 530 */ |
|
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531 } |
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532 |
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533 public void enableChildrenTransmission() { |
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534 // a child senderTask may skip this flag |
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535 // durling write waiting. in this case, remaining bufferes are sent. |
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536 childrenMulticast = true; |
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537 } |
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538 |
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539 public String getMyAddress() { |
| 174 | 540 return myAddress; |
|
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541 } |
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542 |
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543 /** |
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544 * gzip byte arrays |
| 384 | 545 * |
|
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546 * @param deflater |
|
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547 * @param inputs byte data[] |
|
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548 * @param inputIndex |
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549 * @param outputs byte data[] |
|
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550 * @return byte length in last byte array |
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551 * @throws IOException |
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552 */ |
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553 public int zip(Deflater deflater, LinkedList<ByteBuffer> inputs, |
|
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554 int inputIndex, LinkedList<ByteBuffer> outputs) throws IOException { |
|
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555 int len = 0; |
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556 ByteBuffer c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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557 while (inputIndex < inputs.size()) { |
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558 ByteBuffer b1 = inputs.get(inputIndex++); |
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559 deflater.setInput(b1.array(), b1.position(), b1.remaining()); |
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560 /** |
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561 * If we finish() stream and reset() it, Deflater start new gzip |
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562 * stream, this makes continuous zlib reader unhappy. if we remove |
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563 * finish(), Deflater.deflate() never flushes its output. The |
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564 * original zlib deflate has flush flag. I'm pretty sure this a kind |
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565 * of bug of Java library. |
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566 */ |
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567 if (inputIndex == inputs.size()) |
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568 deflater.finish(); |
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569 int len1 = 0; |
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570 do { |
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571 len1 = deflater.deflate(c1.array(), c1.position(), |
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572 c1.remaining()); |
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573 if (len1 > 0) { |
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574 len += len1; |
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575 c1.position(c1.position() + len1); |
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576 if (c1.remaining() == 0) { |
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577 c1.flip(); |
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578 outputs.addLast(c1); |
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579 c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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580 } |
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581 } |
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582 } while (len1 > 0 || !deflater.needsInput()); // &&!deflater.finished()); |
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583 } |
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584 if (c1.position() != 0) { |
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585 c1.flip(); |
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586 outputs.addLast(c1); |
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587 } |
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588 deflater.reset(); |
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589 return len; |
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590 } |
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591 |
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592 /** |
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593 * gunzip byte arrays |
| 384 | 594 * |
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595 * @param inflater |
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596 * @param inputs byte data[] |
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597 * @param bytes byte data[] |
|
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598 * @return number of total bytes |
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599 * @throws IOException |
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600 */ |
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601 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
|
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602 int inputIndex, byte[] bytes, int bufSize) throws DataFormatException { |
| 182 | 603 int position = 0; |
| 604 int limit = bytes.length; | |
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605 while (inputIndex < inputs.size()) { |
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606 ByteBuffer input = inputs.get(inputIndex++); |
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607 inflater.setInput(input.array(), input.position(), input.limit()); |
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608 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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609 // we need this |
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610 // inflater.end(); but this won't work |
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611 do { |
| 318 | 612 int len0; |
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613 len0 = inflater.inflate(bytes, position, limit - position); |
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614 if (len0 > 0) { |
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615 position += len0; |
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616 if (position > limit) throw new DataFormatException(); |
|
118
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617 } |
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618 } while (!inflater.needsInput()); |
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619 } |
| 182 | 620 return position; |
|
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621 } |
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622 |
|
135
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623 /** |
|
345
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624 * Multicast framebufferUpdate to children. |
|
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625 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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626 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
|
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627 * |
|
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628 * @param dataLen |
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629 * @param reader |
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630 * @throws TransportException |
| 384 | 631 * @throws UnsupportedEncodingException |
|
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632 */ |
| 264 | 633 public void readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
|
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634 throws TransportException, UnsupportedEncodingException { |
|
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635 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
|
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636 int BLOCKSIZE = 64 * 1024; |
|
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637 int headerLen = rect.getEncodingType() == EncodingType.CHECK_DELAY ? 24 : 16; |
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638 ByteBuffer header = multicastqueue.allocate(headerLen); |
|
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639 ByteBuffer serial = multicastqueue.allocate(4 + 8); |
| 378 | 640 if (!isTreeManager() && addSerialNum) { |
|
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641 reader.readBytes(serial.array(), 0, 4 + 8); |
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642 serial.limit(4 + 8); |
| 182 | 643 } |
| 185 | 644 reader.mark(dataLen); |
|
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645 reader.readBytes(header.array(), 0, headerLen); |
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646 header.limit(headerLen); |
|
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647 if (header.get(0) == FramebufferUpdate) { |
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648 int encoding = header.getInt(12); |
| 384 | 649 |
|
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650 if (encoding == EncodingType.ZRLE.getId() |
|
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651 || encoding == EncodingType.ZLIB.getId()) { |
|
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652 // recompress into ZREE |
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653 // uncompressed result is remain in bytes |
|
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654 ByteBuffer len = multicastqueue.allocate(4); |
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655 reader.readBytes(len.array(), 0, 4); |
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656 len.limit(4); |
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657 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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658 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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659 inputData.limit(dataLen - 20); |
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660 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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661 inputs.add(inputData); |
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662 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 663 // recompress |
| 664 // every time | |
|
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665 // using new Deflecter every time is incompatible with the |
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666 // protocol, clients have to be modified. |
|
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667 Deflater nDeflater = deflater; // new Deflater(); |
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668 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
| 380 | 669 try { |
| 182 | 670 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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671 // dump32(inputs); |
| 182 | 672 out.add(ByteBuffer.wrap(bytes)); |
|
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673 int len2 = zip(nDeflater, out, 0, bufs); |
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674 ByteBuffer blen = multicastqueue.allocate(4); |
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675 blen.putInt(len2); |
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676 blen.flip(); |
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677 bufs.addFirst(blen); |
|
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678 if (checkDelay) { |
|
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679 bufs = createCheckDelayHeader(bufs, header); |
|
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680 } else { |
|
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681 bufs.addFirst(header); |
|
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682 } |
| 380 | 683 if (addSerialNum) { |
| 684 addSerialNumber(bufs); | |
| 685 } | |
|
448
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|
686 multicastqueue.put(bufs); |
|
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687 } catch (IOException e) { |
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688 throw new TransportException(e); |
| 335 | 689 } catch (DataFormatException e) { |
| 690 throw new TransportException(e); | |
|
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691 } |
|
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692 return; |
|
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693 } |
| 233 | 694 |
|
186
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695 // ZRLEE is already compressed |
|
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696 bufs.add(header); |
| 380 | 697 if (addSerialNum) { |
| 698 this.addSerialNumber(bufs); | |
| 699 } | |
|
414
3af5f4af2d63
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|
700 if (dataLen > headerLen) { |
|
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|
701 ByteBuffer b = multicastqueue.allocate(dataLen - headerLen); |
|
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|
702 reader.readBytes(b.array(), 0, dataLen - headerLen); |
|
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|
703 b.limit(dataLen - headerLen); |
|
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704 bufs.add(b); |
|
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705 } |
|
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706 multicastqueue.put(bufs); |
| 233 | 707 |
|
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708 return; |
|
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709 } |
|
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710 // It may be compressed. We can inflate here to avoid repeating clients |
|
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711 // decompressing here, |
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712 // but it may generate too many large data. It is better to do it in |
|
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713 // each client. |
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714 // But we have do inflation for all input data, so we have to do it |
|
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|
715 // here. |
|
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|
716 } |
| 124 | 717 |
|
415
5c3635d6ab3c
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414
diff
changeset
|
718 public LinkedList<ByteBuffer> createCheckDelayHeader(LinkedList<ByteBuffer> checkDelay, ByteBuffer header) { |
|
423
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Fix LostChild for root node
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parents:
420
diff
changeset
|
719 int x = (int) header.getShort(4); |
|
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diff
changeset
|
720 int y = (int) header.getShort(6); |
|
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diff
changeset
|
721 int width = (int) header.getShort(8); |
|
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parents:
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diff
changeset
|
722 int height = (int) header.getShort(10); |
|
414
3af5f4af2d63
Send data size for checkDelay
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diff
changeset
|
723 long time = System.currentTimeMillis(); |
|
3af5f4af2d63
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parents:
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diff
changeset
|
724 checkDelay.addFirst(new CheckDelay(x, y, width, height, time, EncodingType.CHECK_DELAY).getMessage()); |
|
415
5c3635d6ab3c
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diff
changeset
|
725 return checkDelay; |
|
414
3af5f4af2d63
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diff
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|
726 } |
|
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diff
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|
727 |
| 223 | 728 public void setId(short id) { |
| 729 this.id = id; | |
| 730 } | |
| 169 | 731 |
| 223 | 732 public short getId() { |
| 733 return id; | |
| 734 } | |
| 169 | 735 |
| 174 | 736 public void setMyAddress(String myHostName) { |
| 737 this.myAddress = myHostName; | |
| 223 | 738 |
| 174 | 739 } |
| 740 | |
| 741 public void setLeader(boolean leader) { | |
| 742 this.leader = leader; | |
| 743 } | |
| 744 | |
| 745 public boolean isLeader() { | |
| 746 return leader; | |
| 747 } | |
| 748 | |
| 203 | 749 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 750 nets.setTreeManager(intf, clients); |
| 174 | 751 } |
| 223 | 752 |
| 203 | 753 public TreeManagement getTreeManager(String intf) { |
|
418
0543c380308c
Move bottleneck Node to outside node list
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parents:
417
diff
changeset
|
754 this.treeManager = nets.getTreeManager(intf); |
|
0543c380308c
Move bottleneck Node to outside node list
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parents:
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diff
changeset
|
755 this.nodeList = treeManager.getList(); |
|
0543c380308c
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parents:
417
diff
changeset
|
756 return treeManager; |
| 174 | 757 } |
| 758 | |
| 470 | 759 public int getNewNodeId () { |
| 471 | 760 return ++uniqueNodeId; |
| 761 } // 0 is reserved for root | |
| 470 | 762 |
| 174 | 763 /** |
|
290
c10e0dee7bbb
add READY_SHARE_SOUND msg, add function of receive READY_SHARE_SOUND msg, add sendSound thread.
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diff
changeset
|
764 * change VNCServer is called when host change. |
|
423
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420
diff
changeset
|
765 * |
|
405
cdab1354e227
Add multiscreen Share Filtering flag
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parents:
402
diff
changeset
|
766 * @param vncProxyService |
|
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767 * @param hostName HostAddress |
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768 * @param x |
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769 * @param y |
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770 * @param width FrameWidth |
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771 * @param height FrameHeight |
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772 * @param scale |
| 351 | 773 * @param newVNCServerId |
| 382 | 774 * @param is |
| 775 * @param os | |
| 174 | 776 */ |
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777 public void changeVNCServer(ViewerInterface vncProxyService, String hostName, int port, int x, int y, int width, int height, int scale, short newVNCServerId, Reader is, Writer os) |
| 325 | 778 throws IOException { |
| 351 | 779 if (newVNCServerId == -1) { |
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780 // change to the tree vnc root on other network. |
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781 vncProxyService.changeToDirectConnectedServer(hostName, is, os, x, y, width, height, scale); |
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782 return; |
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783 } |
| 342 | 784 // serverChangeの処理 |
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785 vncProxyService.inhelitClients(hostName, newVNCServerId, x, y, width, height, scale); |
| 317 | 786 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 322 | 787 // stop reader stop |
| 174 | 788 } |
| 789 | |
| 790 /** | |
| 791 * start accepting children | |
| 792 * run rootFinderListener if necessary | |
| 793 */ | |
| 176 | 794 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 795 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 796 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 797 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 798 thread.start(); | |
| 176 | 799 } |
| 800 | |
| 174 | 801 public TreeVncCommandChannelListener getAcceptThread() { |
| 802 return acceptThread; | |
| 803 } | |
| 804 | |
| 176 | 805 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
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806 cp = createConnectionParam; |
| 176 | 807 } |
| 808 | |
| 809 public CreateConnectionParam getConnectionParam() { | |
| 810 return cp; | |
| 811 } | |
| 812 | |
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813 public boolean hasViewer() { |
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814 return hasViewer; |
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815 } |
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816 |
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817 public void setHasViewer(boolean b) { |
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818 hasViewer = b; |
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819 } |
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820 |
| 223 | 821 public void setShowTree(boolean showTree) { |
| 240 | 822 this.showTreeNode = showTree; |
| 823 } | |
| 824 | |
| 825 public void setCheckDelay(boolean checkDelay) { | |
| 826 this.checkDelay = checkDelay; | |
| 223 | 827 } |
| 194 | 828 |
| 241 | 829 public void setAddSerialNum(boolean addSerialNum) { |
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830 this.addSerialNum = addSerialNum; |
| 241 | 831 } |
| 832 | |
| 235 | 833 public int getNodeNum(int port, String address) { |
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834 int nodeNum = 0; |
| 384 | 835 |
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836 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext(); ) { |
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837 TreeVNCNode tvn = (TreeVNCNode) i.next(); |
| 235 | 838 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 839 nodeNum = tvn.treeNum; | |
| 840 return nodeNum; | |
| 841 } | |
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842 } |
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843 return nodeNum; |
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844 } |
| 241 | 845 |
| 257 | 846 public void setFixingSize(boolean fixingSize) { |
| 847 this.fixingSize = fixingSize; | |
| 256 | 848 } |
| 267 | 849 |
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850 public boolean hasParent() { |
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851 return id != -1; |
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852 } |
| 384 | 853 |
| 854 /** | |
| 855 * server change to directed connected server | |
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856 * server maybe on the different network |
| 384 | 857 * so can not in whereToConnect message |
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858 * reuse dynamic connect socket us a new client |
| 384 | 859 * reother server exchange socket when serverChangeRequest with id -1 |
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860 * |
| 384 | 861 * @param previousReader |
| 862 * @param previousWriter | |
| 863 */ | |
| 864 public void exchangeDirectConnectedServer(Reader previousReader, Writer previousWriter) { | |
| 865 String adr = viewer.getRfb().getMyAddress(); | |
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866 ConnectionPresenter cp1 = viewer.getConnectionPresenter(); |
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867 int scale = cp1.getRetinaScale(); |
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868 int singleWidth = cp1.getSingleWidth(); |
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869 int singleHeight = cp1.getSingleHeight(); |
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870 int x = cp1.getX(); |
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871 int y = cp1.getY(); |
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872 ScreenChangeRequest scr = new ScreenChangeRequest(adr, ConnectionParams.DEFAULT_VNC_ROOT, (short) -1, x, y, singleWidth, singleHeight, scale); |
| 384 | 873 try { |
| 874 scr.send(previousWriter); | |
| 875 } catch (TransportException e) { | |
| 876 e.printStackTrace(); | |
| 877 return; | |
| 878 } | |
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879 // newClient(previousWriter, previousReader, null); |
| 384 | 880 } |
| 389 | 881 |
| 882 /** | |
| 883 * Requested server is connected. stop old connection, replace old connection parameter such as | |
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884 * context (PROTOCOL) |
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885 * start new connection and send INIT_DATA |
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886 * |
| 389 | 887 * @param workingProtocol |
| 888 * @param connectionPresenter | |
| 889 */ | |
| 890 public synchronized void newVNCConnection(Protocol workingProtocol, ConnectionPresenter connectionPresenter) { | |
| 891 ProtocolContext previousContext = getContext(); | |
| 892 stopReceiverTask(); | |
| 893 setProtocolContext(workingProtocol); | |
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894 this.connectionPresenter = connectionPresenter; |
| 389 | 895 connectionPresenter.viewer.setConnectionPresenter(connectionPresenter); |
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896 connectionPresenter.addModel("ConnectionParamsModel", connectionPresenter.getConnectionParams()); |
| 389 | 897 if (previousContext != null && isTreeManager() && hasParent()) { |
| 898 Reader previousReader = previousContext.getReader(); | |
| 899 Writer previousWriter = previousContext.getWriter(); | |
| 424 | 900 // exchangeDirectConnectedServer(previousReader, previousWriter); |
| 389 | 901 } |
| 902 enableChildrenTransmission(); | |
| 903 printNetworkInterface(); | |
| 479 | 904 System.out.println("newVNCConenction reconnectingId: " + connectionPresenter.getReconnectingId()); |
| 905 if (isTreeManager()) { | |
| 906 sharingId = connectionPresenter.getReconnectingId(); | |
| 907 } | |
| 389 | 908 sendDesktopSizeChange(connectionPresenter.getReconnectingId()); |
| 909 } | |
| 412 | 910 |
| 911 public void sendErrorAnnounce(short reconnectingId, String message) { | |
| 912 LinkedList<ByteBuffer> errorAnnounce = new LinkedList<ByteBuffer>(); | |
| 913 errorAnnounce.add(new ChildNodeAnnounce(EncodingType.ERROR_ANNOUNCE, message.getBytes(), reconnectingId).getMessage()); | |
| 914 if (addSerialNum) { | |
| 915 addSerialNumber(errorAnnounce); | |
| 916 } | |
| 917 multicastqueue.put(errorAnnounce); | |
| 918 } | |
| 441 | 919 |
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920 public void setConnectionPresenter(ConnectionPresenter connectionPresenter) { |
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921 this.connectionPresenter = connectionPresenter; |
| 441 | 922 } |
| 471 | 923 |
| 924 public short getSharingId() { | |
| 925 return sharingId; | |
| 926 } | |
| 927 | |
| 928 public void setSharingId(short sharingId) { | |
| 929 this.sharingId = sharingId; | |
| 930 } | |
| 931 | |
| 240 | 932 } |