Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/MyRfbProto.java @ 85:b384db76c28a
a little progress...
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 03 Aug 2011 07:39:43 +0900 |
| parents | 704e01d2390c |
| children | b7225991184b |
| rev | line source |
|---|---|
| 24 | 1 package myVncProxy; |
| 54 | 2 |
| 25 | 3 import java.awt.Graphics; |
| 4 import java.awt.Image; | |
| 5 import java.awt.image.BufferedImage; | |
| 6 import java.io.BufferedOutputStream; | |
| 15 | 7 import java.io.BufferedReader; |
| 25 | 8 import java.io.ByteArrayInputStream; |
| 9 import java.io.ByteArrayOutputStream; | |
| 10 | 10 import java.io.IOException; |
| 43 | 11 import java.io.InputStream; |
| 15 | 12 import java.io.InputStreamReader; |
| 23 | 13 import java.net.BindException; |
| 10 | 14 import java.net.ServerSocket; |
| 15 import java.net.Socket; | |
| 16 import java.util.LinkedList; | |
| 17 | |
| 25 | 18 import javax.imageio.ImageIO; |
| 19 | |
| 54 | 20 import myVncProxy.MulticastQueue.Client; |
| 21 | |
| 40 | 22 import java.util.concurrent.ExecutorService; |
| 23 import java.util.concurrent.Executors; | |
| 80 | 24 import java.util.zip.DataFormatException; |
| 25 import java.util.zip.Deflater; | |
| 26 import java.util.zip.Inflater; | |
| 40 | 27 import java.io.OutputStream; |
| 10 | 28 |
| 29 class MyRfbProto extends RfbProto { | |
| 43 | 30 final static String versionMsg_3_998 = "RFB 003.998\n"; |
| 65 | 31 /** |
| 32 * CheckMillis is one of new msgType for RFB 3.998. | |
| 33 */ | |
| 77 | 34 final static int SpeedCheckMillis = 4; |
| 83 | 35 private static final int INFLATE_BUFSIZE = 1024*100; |
| 65 | 36 boolean printStatusFlag = false; |
| 37 long startCheckTime; | |
| 54 | 38 |
| 18 | 39 private int messageType; |
| 40 private int rectangles; | |
| 23 | 41 private int rectX; |
| 42 private int rectY; | |
| 43 private int rectW; | |
| 44 private int rectH; | |
| 18 | 45 private int encoding; |
| 27 | 46 private int zLen; |
| 18 | 47 |
| 23 | 48 private ServerSocket servSock; |
| 49 private int acceptPort; | |
| 10 | 50 private byte initData[]; |
| 54 | 51 private LinkedList<Socket> cliListTmp; |
| 52 private LinkedList<Socket> cliList; | |
| 53 private LinkedList<Thread> sendThreads; | |
| 27 | 54 boolean createBimgFlag; |
| 54 | 55 |
| 40 | 56 ExecutorService executor; |
| 54 | 57 |
| 25 | 58 byte[] pngBytes; |
| 54 | 59 |
| 84 | 60 private MulticastQueue<LinkedList<byte[]>> multicastqueue = new MostRecentMultiCast<LinkedList<byte[]>>(10); |
| 80 | 61 private int clients = 0; |
|
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62 private Inflater inflater = new Inflater(); |
| 54 | 63 |
| 64 MyRfbProto(String h, int p, VncViewer v) throws IOException { | |
| 10 | 65 super(h, p, v); |
| 54 | 66 cliList = new LinkedList<Socket>(); |
| 67 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 68 createBimgFlag = false; |
| 61 | 69 // sendThreads = new LinkedList<Thread>(); |
| 54 | 70 // executor = Executors.newCachedThreadPool(); |
| 71 // executor = Executors.newSingleThreadExecutor(); | |
| 10 | 72 } |
| 73 | |
| 13 | 74 MyRfbProto(String h, int p) throws IOException { |
| 75 super(h, p); | |
| 54 | 76 cliList = new LinkedList<Socket>(); |
| 77 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 78 createBimgFlag = false; |
| 61 | 79 // sendThreads = new LinkedList<Thread>(); |
| 54 | 80 // executor = Executors.newCachedThreadPool(); |
| 81 // executor = Executors.newSingleThreadExecutor(); | |
| 13 | 82 } |
| 24 | 83 |
| 44 | 84 // over write |
| 43 | 85 void writeVersionMsg() throws IOException { |
| 86 clientMajor = 3; | |
| 87 if (serverMinor >= 9) { | |
| 54 | 88 clientMinor = 9; |
| 89 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 90 } else if (serverMajor > 3 || serverMinor >= 8) { |
| 91 clientMinor = 8; | |
| 92 os.write(versionMsg_3_8.getBytes()); | |
| 93 } else if (serverMinor >= 9) { | |
| 94 clientMinor = 9; | |
| 95 os.write(versionMsg_3_998.getBytes()); | |
| 96 } else if (serverMinor >= 7) { | |
| 97 clientMinor = 7; | |
| 98 os.write(versionMsg_3_7.getBytes()); | |
| 99 } else { | |
| 100 clientMinor = 3; | |
| 101 os.write(versionMsg_3_3.getBytes()); | |
| 102 } | |
| 103 protocolTightVNC = false; | |
| 104 initCapabilities(); | |
| 105 } | |
| 106 | |
| 54 | 107 void initServSock(int port) throws IOException { |
| 10 | 108 servSock = new ServerSocket(port); |
| 23 | 109 acceptPort = port; |
| 10 | 110 } |
| 54 | 111 |
| 112 // 5550を開けるが、開いてないなら+1のポートを開ける。 | |
| 80 | 113 void selectPort(int p) { |
| 114 int port = p; | |
| 54 | 115 while (true) { |
| 116 try { | |
| 80 | 117 initServSock(port); |
| 23 | 118 break; |
| 54 | 119 } catch (BindException e) { |
| 80 | 120 port++; |
| 23 | 121 continue; |
| 54 | 122 } catch (IOException e) { |
| 10 | 123 |
| 23 | 124 } |
| 125 } | |
| 80 | 126 System.out.println("accept port = " + port); |
| 23 | 127 } |
| 54 | 128 |
| 129 int getAcceptPort() { | |
| 23 | 130 return acceptPort; |
| 131 } | |
| 54 | 132 |
| 10 | 133 void setSoTimeout(int num) throws IOException { |
| 134 servSock.setSoTimeout(num); | |
| 135 } | |
| 54 | 136 |
| 10 | 137 Socket accept() throws IOException { |
| 138 return servSock.accept(); | |
| 139 } | |
| 140 | |
| 54 | 141 void addSock(Socket sock) { |
| 10 | 142 cliList.add(sock); |
| 143 } | |
| 54 | 144 |
| 145 void addSockTmp(Socket sock) { | |
| 146 System.out.println("connected " + sock.getInetAddress()); | |
| 27 | 147 cliListTmp.add(sock); |
| 148 } | |
| 54 | 149 |
| 10 | 150 boolean markSupported() { |
| 151 return is.markSupported(); | |
| 152 } | |
| 54 | 153 |
| 10 | 154 void readServerInit() throws IOException { |
| 54 | 155 |
| 78 | 156 is.mark(255); |
| 10 | 157 skipBytes(20); |
| 158 int nlen = readU32(); | |
| 54 | 159 int blen = 20 + 4 + nlen; |
| 10 | 160 initData = new byte[blen]; |
| 78 | 161 is.reset(); |
| 10 | 162 |
| 78 | 163 is.mark(blen); |
| 10 | 164 readFully(initData); |
| 78 | 165 is.reset(); |
| 54 | 166 |
| 10 | 167 framebufferWidth = readU16(); |
| 168 framebufferHeight = readU16(); | |
| 169 bitsPerPixel = readU8(); | |
| 170 depth = readU8(); | |
| 171 bigEndian = (readU8() != 0); | |
| 172 trueColour = (readU8() != 0); | |
| 173 redMax = readU16(); | |
| 174 greenMax = readU16(); | |
| 175 blueMax = readU16(); | |
| 176 redShift = readU8(); | |
| 177 greenShift = readU8(); | |
| 178 blueShift = readU8(); | |
| 179 byte[] pad = new byte[3]; | |
| 180 readFully(pad); | |
| 181 int nameLength = readU32(); | |
| 182 byte[] name = new byte[nameLength]; | |
| 183 readFully(name); | |
| 184 desktopName = new String(name); | |
| 185 | |
| 186 // Read interaction capabilities (TightVNC protocol extensions) | |
| 187 if (protocolTightVNC) { | |
| 188 int nServerMessageTypes = readU16(); | |
| 189 int nClientMessageTypes = readU16(); | |
| 190 int nEncodingTypes = readU16(); | |
| 191 readU16(); | |
| 192 readCapabilityList(serverMsgCaps, nServerMessageTypes); | |
| 193 readCapabilityList(clientMsgCaps, nClientMessageTypes); | |
| 194 readCapabilityList(encodingCaps, nEncodingTypes); | |
| 195 } | |
| 196 | |
| 197 inNormalProtocol = true; | |
| 198 } | |
| 199 | |
| 54 | 200 void sendRfbVersion(OutputStream os) throws IOException { |
| 201 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 202 } |
| 54 | 203 |
| 45 | 204 void readVersionMsg(InputStream is) throws IOException { |
| 205 | |
| 206 byte[] b = new byte[12]; | |
| 207 | |
| 208 is.read(b); | |
| 209 | |
| 210 if ((b[0] != 'R') || (b[1] != 'F') || (b[2] != 'B') || (b[3] != ' ') | |
| 211 || (b[4] < '0') || (b[4] > '9') || (b[5] < '0') || (b[5] > '9') | |
| 212 || (b[6] < '0') || (b[6] > '9') || (b[7] != '.') | |
| 213 || (b[8] < '0') || (b[8] > '9') || (b[9] < '0') || (b[9] > '9') | |
| 214 || (b[10] < '0') || (b[10] > '9') || (b[11] != '\n')) { | |
| 215 throw new IOException("Host " + host + " port " + port | |
| 216 + " is not an RFB server"); | |
| 217 } | |
| 218 | |
| 219 serverMajor = (b[4] - '0') * 100 + (b[5] - '0') * 10 + (b[6] - '0'); | |
| 220 serverMinor = (b[8] - '0') * 100 + (b[9] - '0') * 10 + (b[10] - '0'); | |
| 221 | |
| 222 if (serverMajor < 3) { | |
| 223 throw new IOException( | |
| 224 "RFB server does not support protocol version 3"); | |
| 54 | 225 } |
| 226 | |
| 227 } | |
| 228 | |
| 43 | 229 void sendSecurityType(OutputStream os) throws IOException { |
| 230 // number-of-security-types | |
| 231 os.write(1); | |
| 54 | 232 // security-types |
| 43 | 233 // 1:None |
| 234 os.write(1); | |
| 235 } | |
| 54 | 236 |
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237 void readSecType(InputStream is) throws IOException { |
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238 byte[] b = new byte[1]; |
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239 is.read(b); |
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240 |
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241 } |
| 54 | 242 |
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243 void sendSecResult(OutputStream os) throws IOException { |
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244 byte[] b = castIntByte(0); |
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245 os.write(b); |
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246 } |
| 54 | 247 |
| 43 | 248 void readClientInit(InputStream in) throws IOException { |
| 249 byte[] b = new byte[0]; | |
| 250 in.read(b); | |
| 251 } | |
| 54 | 252 |
| 253 void sendInitData(OutputStream os) throws IOException { | |
| 254 os.write(initData); | |
| 10 | 255 } |
| 256 | |
| 54 | 257 |
| 258 void sendPngImage() { | |
| 259 try { | |
| 260 for (Socket cli : cliListTmp) { | |
| 261 try { | |
| 27 | 262 sendPngData(cli); |
| 263 addSock(cli); | |
| 54 | 264 } catch (IOException e) { |
| 27 | 265 // if socket closed |
| 266 cliListTmp.remove(cli); | |
| 267 } | |
| 268 } | |
| 54 | 269 // System.out.println("cliSize="+cliSize()); |
| 270 } catch (Exception e) { | |
| 27 | 271 } |
| 272 cliListTmp.clear(); | |
| 273 } | |
| 274 | |
| 15 | 275 boolean ready() throws IOException { |
| 276 BufferedReader br = new BufferedReader(new InputStreamReader(is)); | |
| 277 return br.ready(); | |
| 54 | 278 } |
| 10 | 279 |
| 54 | 280 int cliSize() { |
| 10 | 281 return cliList.size(); |
| 54 | 282 } |
| 283 | |
| 284 void printNumBytesRead() { | |
| 285 System.out.println("numBytesRead=" + numBytesRead); | |
| 286 } | |
| 287 | |
| 288 | |
| 61 | 289 |
| 54 | 290 void regiFramebufferUpdate() throws IOException { |
| 78 | 291 is.mark(20); |
| 80 | 292 messageType = readU8(); // 0 |
| 293 skipBytes(1); // 1 | |
| 294 rectangles = readU16(); // 2 | |
| 295 rectX = readU16(); // 4 | |
| 296 rectY = readU16(); // 6 | |
| 297 rectW = readU16(); // 8 | |
| 298 rectH = readU16(); // 10 | |
| 299 encoding = readU32(); // 12 | |
| 78 | 300 System.out.println("encoding = "+encoding); |
| 80 | 301 if (encoding == EncodingZRLE) |
| 27 | 302 zLen = readU32(); |
| 80 | 303 else |
| 304 zLen = 0; | |
| 78 | 305 is.reset(); |
| 67 | 306 /* |
| 307 int dataLen; | |
| 308 switch (encoding) { | |
| 309 case RfbProto.EncodingRaw: | |
| 310 dataLen = rectW * rectH * 4 + 16; | |
| 311 mark(dataLen); | |
| 312 break; | |
| 313 case RfbProto.EncodingCopyRect: | |
| 314 dataLen = 16 + 4; | |
| 315 mark(dataLen); | |
| 316 break; | |
| 317 case RfbProto.EncodingRRE: | |
| 318 case RfbProto.EncodingCoRRE: | |
| 319 case RfbProto.EncodingHextile: | |
| 320 | |
| 321 case RfbProto.EncodingZlib: | |
| 322 case RfbProto.EncodingTight: | |
| 323 case RfbProto.EncodingZRLE: | |
| 324 dataLen = zLen + 20; | |
| 325 mark(dataLen); | |
| 326 break; | |
| 327 default: | |
| 328 dataLen = 1000000; | |
| 329 mark(dataLen); | |
| 330 } | |
| 331 | |
| 332 */ | |
| 333 | |
| 15 | 334 } |
| 54 | 335 |
| 61 | 336 int checkAndMark() throws IOException { |
| 337 int dataLen; | |
| 54 | 338 switch (encoding) { |
| 23 | 339 case RfbProto.EncodingRaw: |
| 39 | 340 dataLen = rectW * rectH * 4 + 16; |
| 78 | 341 is.mark(dataLen); |
| 23 | 342 break; |
| 67 | 343 case RfbProto.EncodingCopyRect: |
| 344 dataLen = 16 + 4; | |
| 78 | 345 is.mark(dataLen); |
| 67 | 346 break; |
| 347 case RfbProto.EncodingRRE: | |
| 348 case RfbProto.EncodingCoRRE: | |
| 349 case RfbProto.EncodingHextile: | |
| 80 | 350 case RfbProto.EncodingTight: |
| 351 dataLen = zLen + 20; | |
| 352 is.mark(dataLen); | |
| 353 break; | |
| 67 | 354 case RfbProto.EncodingZlib: |
| 27 | 355 case RfbProto.EncodingZRLE: |
| 54 | 356 dataLen = zLen + 20; |
| 78 | 357 is.mark(dataLen); |
| 358 break; | |
| 359 case RfbProto.EncodingXCursor: | |
| 360 case RfbProto.EncodingRichCursor: | |
| 361 int pixArray = rectW * rectH * 4; | |
| 362 int u8Array = (int)Math.floor((rectW + 7)/8) * rectH; | |
| 363 dataLen = pixArray + u8Array; | |
| 364 printFramebufferUpdate(); | |
| 365 is.mark(dataLen); | |
| 27 | 366 break; |
| 23 | 367 default: |
| 61 | 368 dataLen = 1000000; |
| 78 | 369 is.mark(dataLen); |
| 54 | 370 } |
| 61 | 371 return dataLen; |
| 372 } | |
| 65 | 373 |
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374 void readSendData(int dataLen) throws IOException, DataFormatException { |
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375 byte b[] = new byte[dataLen]; |
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376 readFully(b); |
| 84 | 377 LinkedList<byte[]>bufs = new LinkedList<byte[]>(); |
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378 if (b[0]==RfbProto.FramebufferUpdate) { |
| 84 | 379 int encoding = u32(b,12); |
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380 if (encoding==RfbProto.EncodingZlib||encoding==RfbProto.EncodingZRLE) { |
| 84 | 381 int len=0,len0; |
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382 inflater.setInput(b, 20, b.length-20); |
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383 do { |
| 84 | 384 byte buf[] = new byte[INFLATE_BUFSIZE]; |
| 385 len0 = inflater.inflate(buf); | |
| 386 len += len0; | |
| 387 bufs.addLast(buf); | |
| 388 } while (len0 ==INFLATE_BUFSIZE); | |
| 389 byte [] blen = castIntByte(len0); | |
| 390 bufs.addFirst(blen); | |
| 391 byte inf[] = new byte[16]; | |
| 392 for(int i = 0;i<16;i++) inf[i] = b[i]; | |
| 393 bufs.addFirst(inf); | |
| 394 multicastqueue.put(bufs); | |
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395 is.reset(); |
| 84 | 396 return ; |
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397 } |
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398 } |
| 84 | 399 bufs.add(b); |
| 400 multicastqueue.put(bufs); | |
| 78 | 401 is.reset(); |
| 65 | 402 |
| 80 | 403 // It may be compressed. We can inflate here to avoid repeating clients decompressing here, |
| 404 // but it may generate too many large data. It is better to do it in each client. | |
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405 // But we have do inflation for all input data, so we have to do it here. |
| 61 | 406 /* |
| 407 for (Socket cli : cliList) { | |
| 408 try { | |
| 409 OutputStream out = cli.getOutputStream(); | |
| 410 executor.execute(new SendThread(out, buffer)); | |
| 411 } catch (IOException e) { | |
| 412 // if client socket closed | |
| 413 cliListTmp.remove(cli); | |
| 414 } catch (Exception e) { | |
| 415 | |
| 416 } | |
| 417 | |
| 418 } | |
| 419 */ | |
| 420 } | |
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421 void sendDataToClient() throws Exception { |
| 61 | 422 regiFramebufferUpdate(); |
| 423 int dataLen = checkAndMark(); | |
| 424 readSendData(dataLen); | |
| 23 | 425 } |
| 54 | 426 |
| 427 BufferedImage createBufferedImage(Image img) { | |
| 428 BufferedImage bimg = new BufferedImage(img.getWidth(null), | |
| 429 img.getHeight(null), BufferedImage.TYPE_INT_RGB); | |
| 27 | 430 |
| 25 | 431 Graphics g = bimg.getGraphics(); |
| 432 g.drawImage(img, 0, 0, null); | |
| 433 g.dispose(); | |
| 434 return bimg; | |
| 435 } | |
| 436 | |
| 54 | 437 void createPngBytes(BufferedImage bimg) throws IOException { |
| 438 pngBytes = getImageBytes(bimg, "png"); | |
| 25 | 439 } |
| 54 | 440 |
| 441 byte[] getBytes(BufferedImage img) throws IOException { | |
| 25 | 442 byte[] b = getImageBytes(img, "png"); |
| 443 return b; | |
| 444 } | |
| 54 | 445 |
| 446 byte[] getImageBytes(BufferedImage image, String imageFormat) | |
| 447 throws IOException { | |
| 25 | 448 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 449 BufferedOutputStream os = new BufferedOutputStream(bos); | |
| 450 image.flush(); | |
| 451 ImageIO.write(image, imageFormat, os); | |
| 452 os.flush(); | |
| 453 os.close(); | |
| 454 return bos.toByteArray(); | |
| 455 } | |
| 456 | |
| 54 | 457 void sendPngData(Socket sock) throws IOException { |
| 26 | 458 byte[] dataLength = castIntByte(pngBytes.length); |
| 459 sock.getOutputStream().write(dataLength); | |
| 25 | 460 sock.getOutputStream().write(pngBytes); |
| 461 } | |
| 54 | 462 |
| 463 byte[] castIntByte(int len) { | |
| 26 | 464 byte[] b = new byte[4]; |
| 54 | 465 b[0] = (byte) ((len >>> 24) & 0xFF); |
| 466 b[1] = (byte) ((len >>> 16) & 0xFF); | |
| 467 b[2] = (byte) ((len >>> 8) & 0xFF); | |
| 468 b[3] = (byte) ((len >>> 0) & 0xFF); | |
| 26 | 469 return b; |
| 470 } | |
| 54 | 471 |
| 472 BufferedImage createBimg() throws IOException { | |
| 25 | 473 BufferedImage bimg = ImageIO.read(new ByteArrayInputStream(pngBytes)); |
| 474 return bimg; | |
| 475 } | |
| 65 | 476 /* |
| 54 | 477 void readPngData() throws IOException { |
| 25 | 478 pngBytes = new byte[is.available()]; |
| 479 readFully(pngBytes); | |
| 480 } | |
| 65 | 481 */ |
| 54 | 482 void printFramebufferUpdate() { |
| 483 | |
| 18 | 484 System.out.println("messageType=" + messageType); |
| 54 | 485 System.out.println("rectangles=" + rectangles); |
| 18 | 486 System.out.println("encoding=" + encoding); |
| 78 | 487 System.out.println("rectX = "+rectX+": rectY = "+rectY); |
| 488 System.out.println("rectW = "+rectW+": rectH = "+rectH); | |
| 54 | 489 switch (encoding) { |
| 23 | 490 case RfbProto.EncodingRaw: |
| 54 | 491 System.out.println("rectW * rectH * 4 + 16 =" + rectW * rectH * 4 |
| 492 + 16); | |
| 23 | 493 break; |
| 494 default: | |
| 495 } | |
| 18 | 496 } |
| 65 | 497 |
| 77 | 498 void readSpeedCheck() throws IOException { |
| 499 byte[] b = new byte[1]; | |
| 65 | 500 readFully(b); |
| 501 } | |
| 502 | |
| 77 | 503 void startSpeedCheck() { |
| 66 | 504 byte[] b = new byte[2]; |
| 77 | 505 b[0] = (byte) SpeedCheckMillis; |
| 66 | 506 b[1] = (byte) 0; |
| 507 startCheckTime = System.currentTimeMillis(); | |
| 508 System.out.println("startChckTime = "+ startCheckTime); | |
| 84 | 509 LinkedList<byte[]>bufs = new LinkedList<byte[]>(); |
| 510 bufs.add(b); | |
| 511 multicastqueue.put(bufs); | |
| 65 | 512 } |
| 513 | |
| 77 | 514 void endSpeedCheck() { |
| 65 | 515 long accTime = System.currentTimeMillis(); |
| 516 long time = accTime - startCheckTime; | |
| 517 System.out.println("checkMillis: " + time); | |
| 518 } | |
| 519 | |
| 520 void printStatus() { | |
| 521 System.out.println(); | |
| 522 } | |
| 523 | |
| 524 synchronized void changeStatusFlag() { | |
| 525 printStatusFlag = true; | |
| 526 } | |
| 527 | |
| 528 void printMills() { | |
| 529 if(printStatusFlag) { | |
| 530 | |
| 531 changeStatusFlag(); | |
| 532 } else { | |
| 533 changeStatusFlag(); | |
| 534 } | |
| 535 } | |
| 536 | |
| 43 | 537 |
| 71 | 538 void newClient(AcceptThread acceptThread, final Socket newCli, |
| 54 | 539 final OutputStream os, final InputStream is) throws IOException { |
| 540 // createBimgFlag = true; | |
| 541 // rfb.addSockTmp(newCli); | |
| 542 // addSock(newCli); | |
| 84 | 543 final Client <LinkedList<byte[]>> c = multicastqueue.newClient(); |
| 54 | 544 Runnable sender = new Runnable() { |
| 545 public void run() { | |
| 80 | 546 |
| 547 Deflater deflater = new Deflater(); | |
| 54 | 548 try { |
| 65 | 549 /** |
| 550 * initial connection of RFB protocol | |
| 551 */ | |
| 54 | 552 sendRfbVersion(os); |
| 553 readVersionMsg(is); | |
| 554 sendSecurityType(os); | |
| 555 readSecType(is); | |
| 556 sendSecResult(os); | |
| 557 readClientInit(is); | |
| 558 sendInitData(os); | |
| 43 | 559 |
| 54 | 560 for (;;) { |
| 84 | 561 LinkedList<byte[]> bufs = c.poll(); |
| 562 byte[] b = bufs.poll(); | |
| 80 | 563 if (b[0]==RfbProto.FramebufferUpdate) { |
| 84 | 564 int encoding = u32(b,12); |
| 80 | 565 if (encoding==RfbProto.EncodingZlib||encoding==RfbProto.EncodingZRLE) { |
| 85 | 566 int clen = u32(bufs.poll(),0); |
| 84 | 567 LinkedList<byte[]> outs = new LinkedList<byte[]>(); |
| 568 int len = 0, count = 0; | |
| 569 int len2=0; | |
| 85 | 570 //int bufSize = bufs.size(); |
| 571 //int bufCount = 0; | |
| 572 deflater.reset(); | |
| 573 do { | |
| 574 byte[] b1 = bufs.poll(); | |
| 575 if (bufs.size()==0) { | |
| 84 | 576 deflater.setInput(b1,0,clen); |
| 85 | 577 deflater.finish(); |
| 578 } else | |
| 84 | 579 deflater.setInput(b1); |
| 580 int len1=0; | |
| 581 do { | |
| 582 byte[] c1 = new byte[INFLATE_BUFSIZE]; | |
| 583 len2 = len1; | |
| 584 len1 = deflater.deflate(c1); | |
| 585 if (len1>0) { | |
| 586 outs.addLast(c1); | |
| 587 count ++; | |
| 588 len += len1; | |
| 589 } | |
| 590 } while (len1 > 0); | |
| 85 | 591 } while(bufs.size()>0); |
| 80 | 592 byte[] blen = castIntByte(len); |
| 84 | 593 outs.addFirst(blen); |
| 594 outs.addFirst(b); | |
| 595 int i = 0; | |
| 596 for(byte [] out: outs) { | |
| 597 if (i++ <count+2-1) | |
| 598 os.write(out); | |
| 599 else | |
| 600 os.write(out,0,len2); | |
| 601 } | |
| 80 | 602 } |
| 84 | 603 } else { |
| 80 | 604 os.write(b, 0, b.length); |
| 84 | 605 } |
| 85 | 606 os.flush(); |
| 54 | 607 } |
| 608 } catch (IOException e) { | |
| 65 | 609 /** |
| 610 * if socket closed | |
| 611 */ | |
| 54 | 612 // cliList.remove(newCli); |
| 613 } | |
| 614 | |
| 615 } | |
| 616 | |
| 84 | 617 |
| 54 | 618 }; |
| 80 | 619 clients++; |
| 54 | 620 new Thread(sender).start(); |
| 621 | |
| 622 } | |
| 66 | 623 |
| 84 | 624 private int u32(byte[] b, int i) { |
| 625 int ret = 0; | |
| 626 for(int j = 0;j<4;j++) { | |
| 627 ret *= 256; | |
| 628 ret += b[i+j] & 0xff; | |
| 629 } | |
| 630 return ret; | |
| 631 } | |
| 77 | 632 void speedCheckMillis() { |
| 66 | 633 |
| 634 Runnable stdin = new Runnable() { | |
| 635 public void run() { | |
| 636 int c; | |
| 637 try { | |
| 638 while( (c = System.in.read()) != -1 ) { | |
| 639 switch(c) { | |
| 640 case 's': | |
| 641 break; | |
| 642 default: | |
| 77 | 643 startSpeedCheck(); |
| 66 | 644 break; |
| 645 } | |
| 646 } | |
| 647 }catch(IOException e){ | |
| 648 System.out.println(e); | |
| 649 } | |
| 650 } | |
| 651 }; | |
| 652 | |
| 653 new Thread(stdin).start(); | |
| 654 } | |
| 655 | |
| 54 | 656 } |
| 66 | 657 |
| 658 |