Mercurial > hg > Members > riono > TreeVNC_ja_comment
annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java @ 529:9de5137e1598
refactoring flushRectangle
| author | anatofuz |
|---|---|
| date | Fri, 03 May 2019 19:01:41 +0900 |
| parents | 2956c4a7bfbd |
| children | 9292035b8d93 |
| 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; |
| 514 | 9 import com.glavsoft.rfb.protocol.ReceiverTask; |
|
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10 import com.glavsoft.transport.Reader; |
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11 import com.glavsoft.transport.Writer; |
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12 import com.glavsoft.viewer.ConnectionPresenter; |
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13 import com.glavsoft.viewer.ViewerInterface; |
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14 import com.glavsoft.viewer.swing.ConnectionParams; |
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15 |
| 28 | 16 import java.io.IOException; |
| 206 | 17 import java.io.OutputStream; |
|
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18 import java.io.UnsupportedEncodingException; |
| 291 | 19 import java.net.*; |
| 28 | 20 import java.nio.ByteBuffer; |
| 109 | 21 import java.nio.ByteOrder; |
| 369 | 22 import java.util.Enumeration; |
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23 import java.util.Iterator; |
| 28 | 24 import java.util.LinkedList; |
| 25 import java.util.concurrent.atomic.AtomicInteger; | |
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26 import java.util.zip.DataFormatException; |
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27 import java.util.zip.Deflater; |
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28 import java.util.zip.Inflater; |
| 150 | 29 |
| 124 | 30 |
| 207 | 31 public class TreeRFBProto { |
| 231 | 32 |
| 223 | 33 protected final static int FramebufferUpdate = 0; |
| 34 protected ProtocolContext context; | |
| 35 private int clients = 0; | |
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36 |
| 223 | 37 public MulticastQueue<LinkedList<ByteBuffer>> multicastqueue = new MulticastQueue<LinkedList<ByteBuffer>>(); |
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38 public FindRoot findRoot; |
| 223 | 39 public int acceptPort = 0; |
| 174 | 40 private String myAddress; |
| 526 | 41 public long counter = 0; // packet serial number |
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42 public ServerSocket servSock; |
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43 private static final int INFLATE_BUFSIZE = 1024 * 100; |
| 526 | 44 public Inflater inflater = new Inflater(); |
| 45 public Deflater deflater = new Deflater(); | |
| 174 | 46 ViewerInterface viewer; |
| 341 | 47 private short id = 0; // my tree node id ( = 0 in root ), -1 means no parent |
| 471 | 48 private short sharingId = -1; // VNCServer's id. this is used control visivility |
| 174 | 49 private TreeVncCommandChannelListener acceptThread; |
| 50 private TreeRootFinderListener getCast; | |
| 176 | 51 private CreateConnectionParam cp; |
|
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52 private TreeVNCNetwork nets = new TreeVNCNetwork(); |
| 223 | 53 private TreeVncRootSelectionPanel rootSelectionPanel; |
| 54 private String vncInterface; | |
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55 private TreeManagement treeManager; |
| 231 | 56 public LinkedList<TreeVNCNode> nodeList; |
| 529 | 57 public ConnectionPresenter connectionPresenter; |
| 58 | |
| 267 | 59 |
| 60 protected boolean readyReconnect = false; | |
| 61 private boolean cuiVersion; | |
| 62 private boolean permitChangeScreen = true; | |
| 63 private boolean leader; | |
| 64 private boolean hasViewer = false; | |
| 65 private boolean normalTermination; | |
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66 |
| 267 | 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; |
| 72 public int fixingSizeWidth; | |
| 73 public int fixingSizeHeight; | |
| 293 | 74 private DatagramSocket socket = null; |
| 306 | 75 private byte[] originalInitData = null; |
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76 private boolean childrenMulticast = true; |
| 474 | 77 private static int uniqueNodeId = 0; // uniquenodeid in all trees (less than MAX_UNIQUE_NODE_ID) |
| 526 | 78 |
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79 private boolean stopBroadcast; |
| 515 | 80 public boolean multicastBlocking = true; |
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81 |
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82 public TreeRFBProto(boolean isTreeManager, ViewerInterface viewer) { |
| 223 | 83 nets.setMyRfb(this); |
| 84 this.isTreeManager = isTreeManager; | |
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85 this.viewer = viewer; |
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86 startTreeRootFindThread(); |
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87 } |
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88 |
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89 public void startTreeRootFindThread() { |
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90 if (isTreeManager()) { |
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91 getCast = new TreeRootFinderListener(viewer); |
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92 Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener"); |
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93 treeRootFindThread.start(); |
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94 } |
| 223 | 95 } |
| 96 | |
| 97 public boolean isTreeManager() { | |
| 98 return isTreeManager; | |
| 99 } | |
| 207 | 100 |
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101 public void setIsTreeManager(boolean isTreeManager) { |
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102 this.isTreeManager = isTreeManager; |
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103 } |
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104 |
| 378 | 105 public boolean isAddSerialNum() { |
| 106 return addSerialNum; | |
| 107 } | |
| 108 | |
| 223 | 109 public ProtocolContext getContext() { |
| 110 return context; | |
| 111 } | |
| 112 | |
| 113 /** | |
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114 * handle new client accept |
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115 * it also handle TreeVNC Command |
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116 * |
| 223 | 117 * @param os |
| 118 * @param is | |
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119 * @param intf |
| 223 | 120 * @throws IOException |
| 121 * @throws TransportException | |
| 122 */ | |
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123 public void newClient(final Writer os, final Reader is, final String intf) { |
| 223 | 124 final int myId = clients; |
| 125 final MulticastQueue.Client<LinkedList<ByteBuffer>> c = multicastqueue.newClient(); | |
| 126 final AtomicInteger writerRunning = new AtomicInteger(); | |
| 127 writerRunning.set(1); | |
| 128 /** | |
| 129 * Timeout thread. If a client is suspended, it has top of queue | |
| 130 * indefinitely, which caused memory overflow. After the timeout, we | |
| 131 * poll the queue and discard it. Start long wait if writer is running. | |
| 132 */ | |
| 133 final Runnable timer = new Runnable() { | |
| 134 public void run() { | |
| 135 int count = 0; | |
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136 for (; ; ) { |
| 223 | 137 long timeout = 50000 / 8; |
| 138 try { | |
| 139 synchronized (this) { | |
| 140 int state, flag; | |
| 141 writerRunning.set(0); | |
| 142 wait(timeout); | |
| 143 flag = 0; | |
| 144 while ((state = writerRunning.get()) == 0) { | |
| 145 c.poll(); // discard, should be timeout | |
| 146 count++; | |
| 147 if (flag == 0) { | |
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148 // System.out.println("Discarding " + myId + " count=" + count); |
| 223 | 149 flag = 1; |
| 150 } | |
| 151 wait(10); // if this is too short, writer cannot | |
| 152 // take the poll, if this is too | |
| 153 // long, memory will overflow... | |
| 154 } | |
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155 // if (flag == 1) |
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156 // System.out.println("Resuming " + myId + " count=" + count); |
| 223 | 157 if (state != 1) { |
| 158 System.out.println("Client died " + myId); | |
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159 // System.out.println("task stop"); |
| 330 | 160 String rootHostName = null; |
| 161 int rootHostPort = 0; | |
| 162 String myHostName = null; | |
| 163 int myHostPort = 0; | |
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164 clients = myId; |
| 385 | 165 if (!isTreeManager) { |
| 330 | 166 rootHostName = getConnectionParam().getHostName(); |
| 167 rootHostPort = getConnectionParam().getPort(); | |
| 168 myHostName = getMyAddress(); | |
| 169 myHostPort = getAcceptPort(); | |
| 385 | 170 TreeVncProtocol echo = new TreeVncProtocol(rootHostName, rootHostPort); |
| 171 echo.lostChild(myHostName, myHostPort, myId); | |
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172 } else { |
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173 getTreeManager(intf).fixLostChild1(myId + 1); |
| 330 | 174 } |
| 223 | 175 break; |
| 176 } | |
| 177 } | |
| 178 } catch (InterruptedException e) { | |
| 325 | 179 e.printStackTrace(); |
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180 System.out.println("timer thread interrupted."); |
| 223 | 181 } |
| 182 } | |
| 183 } | |
| 184 }; | |
| 185 new Thread(timer, "timer-discard-multicastqueue").start(); | |
| 186 /** | |
| 187 * handle command from lower node | |
| 188 */ | |
| 189 final Runnable reader = new Runnable() { | |
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190 public void run() { |
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191 for (; ; ) { |
| 223 | 192 try { |
| 193 final byte b[] = new byte[4096]; | |
| 194 final int c = is.readByte(b); | |
| 195 if (c <= 0) | |
| 196 throw new IOException(); | |
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197 // case of root node. |
| 223 | 198 if (isTreeManager()) { |
| 199 if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { | |
| 200 if (permitChangeScreen()) { | |
| 201 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 202 buf.order(ByteOrder.BIG_ENDIAN); | |
| 325 | 203 buf.get(); // padding |
| 257 | 204 buf.get(); |
| 205 short id = buf.getShort(); | |
| 206 int length = buf.getInt(); | |
| 325 | 207 if (length == 0) |
| 208 continue; | |
| 257 | 209 byte[] byteAddress = new byte[length]; |
| 210 buf.get(byteAddress); | |
| 325 | 211 String newHostName = new String(byteAddress, "UTF-8"); |
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212 int x = buf.getInt(); |
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213 int y = buf.getInt(); |
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214 int singleWidth = buf.getInt(); |
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215 int singleHeight = buf.getInt(); |
| 340 | 216 int port = buf.getInt(); |
| 410 | 217 int scale = buf.getInt(); |
| 476 | 218 System.out.println("Root server change request :" + newHostName + " : " + port + " id:" + id); |
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219 changeVNCServer(viewer, newHostName, port, x, y, singleWidth, singleHeight, scale, id, is, os); |
| 223 | 220 } else { |
| 221 continue; | |
| 222 } | |
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223 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
| 293 | 224 int rtpPort = selectPort(ConnectionParams.DEFAULT_RTP_PORT); |
| 225 InetAddress hostname = InetAddress.getLocalHost(); | |
| 226 ReceiveSound receiveSound = new ReceiveSound(socket); | |
| 227 Thread receiveSoundThread = new Thread(receiveSound, "receive-sound"); | |
| 228 receiveSoundThread.start(); | |
| 230 | 229 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 230 ByteBuffer buf = ByteBuffer.wrap(b); | |
| 231 buf.order(ByteOrder.BIG_ENDIAN); | |
| 234 | 232 buf.getShort(); |
| 233 Long time = buf.getLong(); | |
| 234 int port = buf.getInt(); | |
| 235 int addressLength = buf.getInt(); | |
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236 int dataLen = buf.getInt(); |
| 234 | 237 byte[] byteAddress = new byte[addressLength]; |
| 238 buf.get(byteAddress); | |
| 239 String address = new String(byteAddress, "UTF-8"); | |
| 235 | 240 int nodeNum = getNodeNum(port, address); |
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241 if (nodeNum != 0) { |
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242 Long delay = System.currentTimeMillis() - time; |
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243 if (delay > 3000) { |
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244 getTreeManager(intf).fixLostChild1(nodeNum); |
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245 } |
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246 System.out.println(System.currentTimeMillis() + " : receive checkDelay : nodeNum" + nodeNum + ", port : " + port + ", address : " + address + ", delay : " + delay + ", size : " + dataLen); |
|
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247 } |
| 223 | 248 } |
| 325 | 249 // case of client node. |
| 223 | 250 } else if (b[0] == ClientToServerMessage.SERVER_CHANGE_REQUEST) { |
| 295 | 251 ClientToServerMessage serverChangeRequest = new ClientToServerMessage() { |
|
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252 @Override |
|
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253 public void send(Writer writer) |
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254 throws TransportException { |
| 325 | 255 writer.write(b, 0, c); |
|
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256 } |
| 223 | 257 }; |
| 295 | 258 context.sendMessage(serverChangeRequest); |
|
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259 } else if (b[0] == ClientToServerMessage.READY_SHARE_SOUND) { |
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260 ClientToServerMessage readyShareSound = new ClientToServerMessage() { |
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261 @Override |
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262 public void send(Writer writer) |
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263 throws TransportException { |
| 325 | 264 writer.write(b, 0, c); |
|
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265 } |
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266 }; |
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267 context.sendMessage(readyShareSound); |
| 230 | 268 } else if (b[0] == ClientToServerMessage.CHECK_DELAY_REPLY) { |
| 269 ClientToServerMessage checkDelayReply = new ClientToServerMessage() { | |
| 270 @Override | |
| 271 public void send(Writer writer) | |
| 272 throws TransportException { | |
| 325 | 273 writer.write(b, 0, c); |
| 230 | 274 } |
| 275 }; | |
| 276 context.sendMessage(checkDelayReply); | |
| 223 | 277 } |
| 278 } catch (Exception e) { | |
| 279 try { | |
| 280 writerRunning.set(2); | |
| 281 os.close(); | |
| 282 is.close(); | |
| 283 break; | |
| 367 | 284 } catch (Exception e1) { |
|
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285 System.out.println("cannot close ClientToServerMessage " + e1); |
| 367 | 286 |
| 223 | 287 } |
|
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288 System.out.println("cannot read ClientToServerMessage " + e); |
| 367 | 289 |
| 223 | 290 return; |
| 291 } | |
| 325 | 292 |
| 293 /* | |
| 294 // あとで検討 | |
| 295 } catch (TransportException e) { | |
| 296 | |
| 297 } | |
| 298 */ | |
| 223 | 299 } |
| 300 } | |
| 301 }; | |
| 302 /** | |
| 303 * send packets to a client (one thread for each client ) | |
| 304 */ | |
| 305 Runnable sender = new Runnable() { | |
| 306 public void run() { | |
| 307 writerRunning.set(1); | |
| 308 try { | |
|
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309 // requestThreadNotify(); // send full screen request via fullScreenRequestThread |
| 384 | 310 |
| 223 | 311 // after this, we discard upward packet. |
| 239 | 312 new Thread(reader, "upward-packet-processing").start(); |
|
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313 |
|
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314 for (; ; ) { |
| 223 | 315 LinkedList<ByteBuffer> bufs = c.poll(); |
| 316 int inputIndex = 0; | |
| 317 ByteBuffer header = bufs.get(inputIndex); | |
| 318 if (header == null) | |
| 319 continue; | |
| 320 writeToClient(os, bufs, inputIndex); | |
| 321 writerRunning.set(1); // yes my client is awaking. | |
|
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322 if (!childrenMulticast) { |
|
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323 for (; ; ) { |
|
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324 LinkedList<ByteBuffer> flag = c.poll(); |
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325 if (flag.size() == 0) { |
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326 break; |
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327 } |
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328 } |
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329 } |
| 223 | 330 } |
| 331 } catch (Exception e) { | |
| 332 try { | |
| 333 writerRunning.set(2); | |
| 334 os.close(); | |
| 335 } catch (IOException e1) { | |
|
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336 System.out.println("root writer close failed :" + e1); |
| 223 | 337 } |
|
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338 System.out.println("root writer failed :" + e); |
| 223 | 339 /* if socket closed cliList.remove(newCli); */ |
| 340 } | |
| 341 } | |
|
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342 |
| 223 | 343 public void writeToClient(final Writer os, |
|
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344 LinkedList<ByteBuffer> bufs, int inputIndex) |
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345 throws TransportException { |
| 354 | 346 while (inputIndex < bufs.size()) { |
| 223 | 347 ByteBuffer b = bufs.get(inputIndex++); |
| 348 os.write(b.array(), b.position(), b.limit()); | |
| 349 } | |
| 350 os.flush(); | |
| 351 multicastqueue.heapAvailable(); | |
| 352 } | |
| 353 }; | |
| 354 clients++; | |
| 355 new Thread(sender, "writer-to-lower-node").start(); | |
| 356 } | |
|
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357 |
|
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358 public boolean permitChangeScreen() { |
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359 return permitChangeScreen; |
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360 } |
| 223 | 361 |
|
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362 |
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363 public void setPermitChangeScreen(boolean v) { |
| 223 | 364 permitChangeScreen = v; |
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365 } |
| 223 | 366 |
| 367 public void requestThreadNotify() { | |
|
448
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368 // send full screen update |
| 223 | 369 } |
| 370 | |
| 371 | |
| 28 | 372 public void setProtocolContext(Protocol workingProtocol) { |
| 373 context = workingProtocol; | |
| 374 } | |
| 29 | 375 |
|
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376 public Socket accept() throws IOException { |
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377 return servSock.accept(); |
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378 } |
| 31 | 379 |
|
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380 public int selectPort(int p) { |
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381 int port = p; |
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382 while (true) { |
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383 try { |
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384 servSock = new ServerSocket(port); |
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385 acceptPort = port; |
| 181 | 386 myAddress = "127.0.0.1"; |
| 207 | 387 nets.getNetworkInterfaces(); |
|
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388 break; |
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389 } catch (BindException e) { |
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390 port++; |
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391 continue; |
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392 } catch (IOException e) { |
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393 |
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394 } |
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395 } |
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396 System.out.println("accept port = " + port); |
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397 return port; |
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398 } |
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399 |
| 223 | 400 public void setViewer(ViewerInterface v) { |
| 401 viewer = v; | |
| 402 } | |
| 403 | |
| 404 public ViewerInterface getViewer() { | |
| 405 return viewer; | |
| 406 } | |
| 407 | |
| 408 | |
| 409 void sendInitData(OutputStream os) throws IOException { | |
| 410 os.write(context.getInitData()); | |
| 411 } | |
| 412 | |
| 413 | |
| 414 public void setTerminationType(boolean setType) { | |
| 415 normalTermination = setType; | |
| 416 } | |
| 417 | |
| 418 public boolean getTerminationType() { | |
| 419 return normalTermination; | |
| 420 } | |
| 43 | 421 |
| 206 | 422 |
|
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423 public void addHostToSelectionPanel(int port, String hostname, String myHostName) { |
| 223 | 424 if (rootSelectionPanel != null) { |
| 425 rootSelectionPanel.checkBox(Integer.toString(port) + ":" + hostname + ":" + myHostName); | |
| 384 | 426 rootSelectionPanel.visible(); |
| 223 | 427 } |
| 428 } | |
| 43 | 429 |
|
399
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430 public void createRootSelectionPanel(CreateConnectionParam cp, FindRoot getBcast) { |
|
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431 rootSelectionPanel = new TreeVncRootSelectionPanel(getBcast); |
| 223 | 432 rootSelectionPanel.setCp(cp); |
|
399
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433 rootSelectionPanel.visible(); |
| 223 | 434 } |
| 435 | |
|
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436 public void close() { |
| 223 | 437 // none |
| 438 } | |
| 439 | |
| 440 public int getAcceptPort() { | |
| 441 return acceptPort; | |
| 442 } | |
| 443 | |
| 444 public boolean getReadyReconnect() { | |
| 445 return readyReconnect; | |
| 446 } | |
| 65 | 447 |
| 448 | |
| 223 | 449 public boolean getCuiVersion() { |
| 450 return cuiVersion; | |
| 384 | 451 } |
| 66 | 452 |
|
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453 public void setCuiVersion(boolean flag) { |
| 223 | 454 cuiVersion = flag; |
| 455 } | |
| 456 | |
| 457 public void readCheckDelay(Reader reader) throws TransportException { | |
| 458 | |
| 459 } | |
|
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460 |
| 223 | 461 public synchronized void vncConnected(boolean ready) { |
|
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462 enableChildrenTransmission(); |
| 369 | 463 readyReconnect = ready; |
| 464 if (ready) { | |
| 465 notifyAll(); | |
| 223 | 466 } |
|
345
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467 } |
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468 |
| 369 | 469 public void printNetworkInterface() { |
|
345
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470 Socket vncSocket = viewer.getVNCSocket(); |
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471 NetworkInterface ni = nets.getInterface(vncSocket); |
|
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472 if (ni != null) { |
|
345
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473 vncInterface = ni.getName(); |
| 369 | 474 System.out.print("VNCNetworkInterface :" + vncInterface); |
|
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475 if (false) { |
| 370 | 476 Enumeration<InetAddress> addresses = ni.getInetAddresses(); |
| 477 while (addresses.hasMoreElements()) { | |
| 478 InetAddress adr = addresses.nextElement(); | |
| 479 System.out.print(" " + adr); | |
| 480 } | |
| 369 | 481 } |
| 482 System.out.println(); | |
|
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483 } |
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484 } |
|
94
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485 |
| 223 | 486 public void sendDesktopSizeChange(short id) { |
| 487 LinkedList<ByteBuffer> desktopSize = new LinkedList<ByteBuffer>(); | |
|
454
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488 int singleWidth = connectionPresenter.getSingleWidth(); |
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489 int singleHeight = connectionPresenter.getSingleHeight(); |
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490 int x = connectionPresenter.getX(); |
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491 int y = connectionPresenter.getY(); |
|
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492 desktopSize.add(new ChangeDesktopSize(context.getFbWidth(), context.getFbHeight(), singleWidth,singleHeight, x, y, EncodingType.INIT_DATA, context.getInitData(), id).getMessage()); |
| 380 | 493 if (addSerialNum) { |
| 494 addSerialNumber(desktopSize); | |
| 495 } | |
| 223 | 496 multicastqueue.put(desktopSize); |
| 497 } | |
| 98 | 498 |
| 490 | 499 //public byte[] createOriginalInitData(int singleWidth, int singleHeight, String remoteDesktopName) { |
| 500 // TreeVncCommandChannelListener treeVncCommandChannelListener = new TreeVncCommandChannelListener(this, acceptPort); | |
| 501 // byte[] originalInitData = treeVncCommandChannelListener.createOriginalInitData(singleWidth, singleHeight, remoteDesktopName); | |
| 502 // return originalInitData; | |
| 503 //} | |
| 306 | 504 |
| 223 | 505 public void addSerialNumber(LinkedList<ByteBuffer> bufs) { |
|
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506 ByteBuffer serialNum = multicastqueue.allocate(4 + 8); // addSerialNum flag + SerialNum |
| 380 | 507 serialNum.putInt(1); |
| 223 | 508 serialNum.putLong(counter++); |
| 509 serialNum.flip(); | |
| 510 bufs.addFirst(serialNum); | |
| 511 } | |
|
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512 |
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513 |
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514 public void resetDecoder() { |
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515 context.resetDecoder(); |
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516 } |
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517 |
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518 public void stopReceiverTask() { |
|
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519 if (context != null) { |
|
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520 context.cleanUpSession(null); |
|
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521 context.getRfb().clearChildrenTransmission(); |
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522 } |
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523 // cleanup zlib decoder for new VNCServer |
| 202 | 524 if (isTreeManager()) |
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525 inflater = new Inflater(); |
|
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526 } |
|
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527 |
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528 public void clearChildrenTransmission() { |
| 355 | 529 // discarding does not work now. |
| 530 | |
| 531 /* | |
|
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532 // set discard flag |
| 354 | 533 childrenMulticast = false; |
|
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534 // put gurd erement to restart multicastqueue. |
| 354 | 535 multicastqueue.put(new LinkedList<ByteBuffer>()); |
| 355 | 536 */ |
|
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537 } |
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538 |
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539 public void enableChildrenTransmission() { |
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540 // a child senderTask may skip this flag |
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541 // durling write waiting. in this case, remaining bufferes are sent. |
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542 childrenMulticast = true; |
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543 } |
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544 |
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545 public String getMyAddress() { |
| 174 | 546 return myAddress; |
|
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547 } |
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548 |
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549 /** |
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550 * gzip byte arrays |
| 384 | 551 * |
|
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552 * @param deflater |
|
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553 * @param inputs byte data[] |
|
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554 * @param inputIndex |
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555 * @param outputs byte data[] |
|
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556 * @return byte length in last byte array |
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557 * @throws IOException |
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558 */ |
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559 public int zip(Deflater deflater, LinkedList<ByteBuffer> inputs, |
|
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560 int inputIndex, LinkedList<ByteBuffer> outputs) throws IOException { |
|
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561 int len = 0; |
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562 ByteBuffer c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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563 while (inputIndex < inputs.size()) { |
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564 ByteBuffer b1 = inputs.get(inputIndex++); |
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565 deflater.setInput(b1.array(), b1.position(), b1.remaining()); |
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566 /** |
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567 * If we finish() stream and reset() it, Deflater start new gzip |
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568 * stream, this makes continuous zlib reader unhappy. if we remove |
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569 * finish(), Deflater.deflate() never flushes its output. The |
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570 * original zlib deflate has flush flag. I'm pretty sure this a kind |
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571 * of bug of Java library. |
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572 */ |
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573 if (inputIndex == inputs.size()) |
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574 deflater.finish(); |
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575 int len1 = 0; |
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576 do { |
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577 len1 = deflater.deflate(c1.array(), c1.position(), |
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578 c1.remaining()); |
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579 if (len1 > 0) { |
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580 len += len1; |
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581 c1.position(c1.position() + len1); |
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582 if (c1.remaining() == 0) { |
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583 c1.flip(); |
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584 outputs.addLast(c1); |
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585 c1 = multicastqueue.allocate(INFLATE_BUFSIZE); |
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586 } |
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587 } |
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588 } while (len1 > 0 || !deflater.needsInput()); // &&!deflater.finished()); |
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589 } |
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590 if (c1.position() != 0) { |
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591 c1.flip(); |
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592 outputs.addLast(c1); |
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593 } |
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594 deflater.reset(); |
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595 return len; |
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596 } |
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597 |
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598 /** |
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599 * gunzip byte arrays |
| 384 | 600 * |
|
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601 * @param inflater |
|
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602 * @param inputs byte data[] |
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603 * @param bytes byte data[] |
|
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604 * @return number of total bytes |
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605 * @throws IOException |
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606 */ |
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607 public int unzip(Inflater inflater, LinkedList<ByteBuffer> inputs, |
|
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608 int inputIndex, byte[] bytes, int bufSize) throws DataFormatException { |
| 182 | 609 int position = 0; |
| 610 int limit = bytes.length; | |
|
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611 while (inputIndex < inputs.size()) { |
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612 ByteBuffer input = inputs.get(inputIndex++); |
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613 inflater.setInput(input.array(), input.position(), input.limit()); |
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614 // if (inputIndex==inputs.size()) if inflater/deflater has symmetry, |
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615 // we need this |
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616 // inflater.end(); but this won't work |
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617 do { |
| 318 | 618 int len0; |
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619 len0 = inflater.inflate(bytes, position, limit - position); |
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620 if (len0 > 0) { |
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621 position += len0; |
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622 if (position > limit) throw new DataFormatException(); |
|
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623 } |
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624 } while (!inflater.needsInput()); |
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625 } |
| 182 | 626 return position; |
|
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627 } |
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628 |
| 498 | 629 |
|
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630 /** |
|
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631 * Multicast framebufferUpdate to children. |
|
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632 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet. |
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633 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset(). |
|
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634 * |
|
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635 * @param dataLen |
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636 * @param reader |
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637 * @throws TransportException |
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638 */ |
| 526 | 639 public ByteBuffer readSendData(int dataLen, Reader reader, byte[] bytes, FramebufferUpdateRectangle rect) |
| 498 | 640 throws TransportException { |
|
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641 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>(); |
|
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642 int headerLen = rect.getEncodingType() == EncodingType.CHECK_DELAY ? 24 : 16; |
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643 ByteBuffer header = multicastqueue.allocate(headerLen); |
|
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644 ByteBuffer serial = multicastqueue.allocate(4 + 8); |
| 378 | 645 if (!isTreeManager() && addSerialNum) { |
|
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646 reader.readBytes(serial.array(), 0, 4 + 8); |
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647 serial.limit(4 + 8); |
| 182 | 648 } |
| 185 | 649 reader.mark(dataLen); |
|
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650 reader.readBytes(header.array(), 0, headerLen); |
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651 header.limit(headerLen); |
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652 if (header.get(0) == FramebufferUpdate) { |
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653 int encoding = header.getInt(12); |
| 384 | 654 |
|
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655 if (encoding == EncodingType.ZRLE.getId() |
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656 || encoding == EncodingType.ZLIB.getId()) { |
| 526 | 657 |
| 658 if (multicastBlocking) return header; | |
|
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659 // recompress into ZREE |
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660 // uncompressed result is remain in bytes |
|
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661 ByteBuffer len = multicastqueue.allocate(4); |
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662 reader.readBytes(len.array(), 0, 4); |
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663 len.limit(4); |
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664 ByteBuffer inputData = multicastqueue.allocate(dataLen - 20); |
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665 reader.readBytes(inputData.array(), 0, inputData.capacity()); |
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666 inputData.limit(dataLen - 20); |
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667 LinkedList<ByteBuffer> inputs = new LinkedList<ByteBuffer>(); |
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668 inputs.add(inputData); |
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669 header.putInt(12, EncodingType.ZRLEE.getId()); // means |
| 223 | 670 // recompress |
| 671 // every time | |
|
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672 // using new Deflecter every time is incompatible with the |
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673 // protocol, clients have to be modified. |
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674 Deflater nDeflater = deflater; // new Deflater(); |
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675 LinkedList<ByteBuffer> out = new LinkedList<ByteBuffer>(); |
| 380 | 676 try { |
| 182 | 677 unzip(inflater, inputs, 0, bytes, INFLATE_BUFSIZE); |
|
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678 // dump32(inputs); |
| 182 | 679 out.add(ByteBuffer.wrap(bytes)); |
|
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680 int len2 = zip(nDeflater, out, 0, bufs); |
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681 ByteBuffer blen = multicastqueue.allocate(4); |
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682 blen.putInt(len2); |
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683 blen.flip(); |
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684 bufs.addFirst(blen); |
|
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685 if (checkDelay) { |
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686 bufs = createCheckDelayHeader(bufs, header); |
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687 } else { |
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688 bufs.addFirst(header); |
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689 } |
| 380 | 690 if (addSerialNum) { |
| 691 addSerialNumber(bufs); | |
| 692 } | |
| 492 | 693 multicastqueue.waitput(bufs); |
| 694 } catch (IOException | InterruptedException e) { | |
| 695 throw new TransportException(e); | |
| 696 } catch (DataFormatException e) { | |
| 697 throw new TransportException(e); | |
| 698 } | |
| 526 | 699 return header; |
| 492 | 700 } |
| 701 | |
| 702 // ZRLEE is already compressed | |
| 703 bufs.add(header); | |
| 704 if (addSerialNum) { | |
| 705 this.addSerialNumber(bufs); | |
| 706 } | |
| 707 if (dataLen > headerLen) { | |
| 708 ByteBuffer b = multicastqueue.allocate(dataLen - headerLen); | |
| 709 reader.readBytes(b.array(), 0, dataLen - headerLen); | |
| 710 b.limit(dataLen - headerLen); | |
| 711 bufs.add(b); | |
| 712 } | |
| 713 multicastqueue.put(bufs); | |
| 714 | |
| 526 | 715 return header; |
| 492 | 716 } |
| 717 // It may be compressed. We can inflate here to avoid repeating clients | |
| 718 // decompressing here, | |
| 719 // but it may generate too many large data. It is better to do it in | |
| 720 // each client. | |
| 721 // But we have do inflation for all input data, so we have to do it | |
| 722 // here. | |
| 526 | 723 return header; |
| 492 | 724 } |
| 725 | |
| 494 | 726 |
| 492 | 727 |
| 233 | 728 |
| 124 | 729 |
|
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730 public LinkedList<ByteBuffer> createCheckDelayHeader(LinkedList<ByteBuffer> checkDelay, ByteBuffer header) { |
|
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731 int x = (int) header.getShort(4); |
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732 int y = (int) header.getShort(6); |
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733 int width = (int) header.getShort(8); |
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734 int height = (int) header.getShort(10); |
|
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735 long time = System.currentTimeMillis(); |
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736 checkDelay.addFirst(new CheckDelay(x, y, width, height, time, EncodingType.CHECK_DELAY).getMessage()); |
|
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737 return checkDelay; |
|
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738 } |
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739 |
| 223 | 740 public void setId(short id) { |
| 741 this.id = id; | |
| 742 } | |
| 169 | 743 |
| 223 | 744 public short getId() { |
| 745 return id; | |
| 746 } | |
| 169 | 747 |
| 174 | 748 public void setMyAddress(String myHostName) { |
| 749 this.myAddress = myHostName; | |
| 223 | 750 |
| 174 | 751 } |
| 752 | |
| 753 public void setLeader(boolean leader) { | |
| 754 this.leader = leader; | |
| 755 } | |
| 756 | |
| 757 public boolean isLeader() { | |
| 758 return leader; | |
| 759 } | |
| 760 | |
| 203 | 761 public void setTreeManager(String intf, TreeManagement clients) { |
| 223 | 762 nets.setTreeManager(intf, clients); |
| 174 | 763 } |
| 223 | 764 |
| 203 | 765 public TreeManagement getTreeManager(String intf) { |
|
418
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|
766 this.treeManager = nets.getTreeManager(intf); |
|
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767 this.nodeList = treeManager.getList(); |
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768 return treeManager; |
| 174 | 769 } |
| 770 | |
| 470 | 771 public int getNewNodeId () { |
| 471 | 772 return ++uniqueNodeId; |
| 773 } // 0 is reserved for root | |
| 470 | 774 |
| 174 | 775 /** |
|
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776 * change VNCServer is called when host change. |
|
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777 * |
|
405
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|
778 * @param vncProxyService |
|
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779 * @param hostName HostAddress |
|
427
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780 * @param x |
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781 * @param y |
|
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782 * @param width FrameWidth |
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783 * @param height FrameHeight |
|
427
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784 * @param scale |
| 351 | 785 * @param newVNCServerId |
| 382 | 786 * @param is |
| 787 * @param os | |
| 174 | 788 */ |
|
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|
789 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 | 790 throws IOException { |
| 351 | 791 if (newVNCServerId == -1) { |
|
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diff
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|
792 // change to the tree vnc root on other network. |
|
428
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793 vncProxyService.changeToDirectConnectedServer(hostName, is, os, x, y, width, height, scale); |
|
339
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794 return; |
|
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|
795 } |
| 342 | 796 // serverChangeの処理 |
|
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|
797 vncProxyService.inhelitClients(hostName, newVNCServerId, x, y, width, height, scale); |
| 317 | 798 // after connecting VNC server, rfb send SEND_INIT_DATA command and wakes me up if necessary |
| 322 | 799 // stop reader stop |
| 174 | 800 } |
| 801 | |
| 802 /** | |
| 803 * start accepting children | |
| 804 * run rootFinderListener if necessary | |
| 805 */ | |
| 176 | 806 public void createConnectionAndStart(ViewerInterface v) { |
| 223 | 807 selectPort(ConnectionParams.DEFAULT_VNC_ROOT); |
| 176 | 808 acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort()); |
| 223 | 809 Thread thread = new Thread(acceptThread, "TreeVNC-accept"); |
| 810 thread.start(); | |
| 176 | 811 } |
| 812 | |
| 174 | 813 public TreeVncCommandChannelListener getAcceptThread() { |
| 814 return acceptThread; | |
| 815 } | |
| 816 | |
| 176 | 817 public void setConnectionParam(CreateConnectionParam createConnectionParam) { |
|
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|
818 cp = createConnectionParam; |
| 176 | 819 } |
| 820 | |
| 821 public CreateConnectionParam getConnectionParam() { | |
| 822 return cp; | |
| 823 } | |
| 824 | |
|
178
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825 public boolean hasViewer() { |
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826 return hasViewer; |
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827 } |
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828 |
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829 public void setHasViewer(boolean b) { |
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830 hasViewer = b; |
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831 } |
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832 |
| 223 | 833 public void setShowTree(boolean showTree) { |
| 240 | 834 this.showTreeNode = showTree; |
| 835 } | |
| 836 | |
| 837 public void setCheckDelay(boolean checkDelay) { | |
| 838 this.checkDelay = checkDelay; | |
| 223 | 839 } |
| 194 | 840 |
| 241 | 841 public void setAddSerialNum(boolean addSerialNum) { |
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842 this.addSerialNum = addSerialNum; |
| 241 | 843 } |
| 844 | |
| 235 | 845 public int getNodeNum(int port, String address) { |
|
232
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846 int nodeNum = 0; |
| 384 | 847 |
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848 for (Iterator<TreeVNCNode> i = nodeList.iterator(); i.hasNext(); ) { |
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849 TreeVNCNode tvn = (TreeVNCNode) i.next(); |
| 235 | 850 if (port == tvn.port && address.equals(tvn.hostname)) { |
| 851 nodeNum = tvn.treeNum; | |
| 852 return nodeNum; | |
| 853 } | |
|
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854 } |
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855 return nodeNum; |
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856 } |
| 241 | 857 |
| 257 | 858 public void setFixingSize(boolean fixingSize) { |
| 859 this.fixingSize = fixingSize; | |
| 256 | 860 } |
| 267 | 861 |
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862 public boolean hasParent() { |
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863 return id != -1; |
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864 } |
| 384 | 865 |
| 866 /** | |
| 867 * server change to directed connected server | |
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868 * server maybe on the different network |
| 384 | 869 * so can not in whereToConnect message |
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870 * reuse dynamic connect socket us a new client |
| 384 | 871 * reother server exchange socket when serverChangeRequest with id -1 |
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872 * |
| 384 | 873 * @param previousReader |
| 874 * @param previousWriter | |
| 875 */ | |
| 876 public void exchangeDirectConnectedServer(Reader previousReader, Writer previousWriter) { | |
| 877 String adr = viewer.getRfb().getMyAddress(); | |
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878 ConnectionPresenter cp1 = viewer.getConnectionPresenter(); |
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879 int scale = cp1.getRetinaScale(); |
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880 int singleWidth = cp1.getSingleWidth(); |
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881 int singleHeight = cp1.getSingleHeight(); |
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882 int x = cp1.getX(); |
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883 int y = cp1.getY(); |
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884 ScreenChangeRequest scr = new ScreenChangeRequest(adr, ConnectionParams.DEFAULT_VNC_ROOT, (short) -1, x, y, singleWidth, singleHeight, scale); |
| 384 | 885 try { |
| 886 scr.send(previousWriter); | |
| 887 } catch (TransportException e) { | |
| 888 e.printStackTrace(); | |
| 889 return; | |
| 890 } | |
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891 // newClient(previousWriter, previousReader, null); |
| 384 | 892 } |
| 389 | 893 |
| 894 /** | |
| 895 * Requested server is connected. stop old connection, replace old connection parameter such as | |
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896 * context (PROTOCOL) |
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897 * start new connection and send INIT_DATA |
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898 * |
| 389 | 899 * @param workingProtocol |
| 900 * @param connectionPresenter | |
| 901 */ | |
| 902 public synchronized void newVNCConnection(Protocol workingProtocol, ConnectionPresenter connectionPresenter) { | |
| 903 ProtocolContext previousContext = getContext(); | |
| 904 stopReceiverTask(); | |
| 905 setProtocolContext(workingProtocol); | |
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906 this.connectionPresenter = connectionPresenter; |
| 389 | 907 connectionPresenter.viewer.setConnectionPresenter(connectionPresenter); |
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908 connectionPresenter.addModel("ConnectionParamsModel", connectionPresenter.getConnectionParams()); |
| 389 | 909 if (previousContext != null && isTreeManager() && hasParent()) { |
| 910 Reader previousReader = previousContext.getReader(); | |
| 911 Writer previousWriter = previousContext.getWriter(); | |
| 424 | 912 // exchangeDirectConnectedServer(previousReader, previousWriter); |
| 389 | 913 } |
| 914 enableChildrenTransmission(); | |
| 915 printNetworkInterface(); | |
| 476 | 916 System.out.println("newVNCConenction reconnectingId: " + connectionPresenter.getReconnectingId()); |
| 917 if (isTreeManager()) { | |
| 918 sharingId = connectionPresenter.getReconnectingId(); | |
| 919 } | |
| 389 | 920 sendDesktopSizeChange(connectionPresenter.getReconnectingId()); |
| 921 } | |
| 412 | 922 |
| 923 public void sendErrorAnnounce(short reconnectingId, String message) { | |
| 924 LinkedList<ByteBuffer> errorAnnounce = new LinkedList<ByteBuffer>(); | |
| 925 errorAnnounce.add(new ChildNodeAnnounce(EncodingType.ERROR_ANNOUNCE, message.getBytes(), reconnectingId).getMessage()); | |
| 926 if (addSerialNum) { | |
| 927 addSerialNumber(errorAnnounce); | |
| 928 } | |
| 929 multicastqueue.put(errorAnnounce); | |
| 930 } | |
| 441 | 931 |
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932 public void setConnectionPresenter(ConnectionPresenter connectionPresenter) { |
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933 this.connectionPresenter = connectionPresenter; |
| 441 | 934 } |
| 471 | 935 |
| 936 public short getSharingId() { | |
| 937 return sharingId; | |
| 938 } | |
| 939 | |
| 940 public void setSharingId(short sharingId) { | |
| 941 this.sharingId = sharingId; | |
| 942 } | |
| 943 | |
| 514 | 944 public synchronized void startBroadcast(ReceiverTask receiverTask) { |
| 945 BroadcastRFBListener rfbBroadcastListener = viewer.getRfbBroadcastListener(); | |
| 946 rfbBroadcastListener.init(this, receiverTask); | |
| 522 | 947 if (!isTreeManager && !rfbBroadcastListener.isStopFlag()) { |
| 514 | 948 Thread rfbBroadcast = new Thread(rfbBroadcastListener, "RFBBroadcast"); |
| 949 rfbBroadcast.start(); | |
| 513 | 950 } |
|
510
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951 } |
| 240 | 952 } |