Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/MyRfbProto.java @ 86:b7225991184b
refactor for tests
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 03 Aug 2011 08:05:51 +0900 |
| parents | b384db76c28a |
| children | a8c33757ac99 |
| 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; |
|
81
9109273b96dc
consume too much memory
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
80
diff
changeset
|
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 |
|
46
11da7dacbc1a
modify MyRfbProto.java and acceptThread.java add readSecType
e085711
parents:
45
diff
changeset
|
237 void readSecType(InputStream is) throws IOException { |
|
11da7dacbc1a
modify MyRfbProto.java and acceptThread.java add readSecType
e085711
parents:
45
diff
changeset
|
238 byte[] b = new byte[1]; |
|
11da7dacbc1a
modify MyRfbProto.java and acceptThread.java add readSecType
e085711
parents:
45
diff
changeset
|
239 is.read(b); |
|
11da7dacbc1a
modify MyRfbProto.java and acceptThread.java add readSecType
e085711
parents:
45
diff
changeset
|
240 |
|
11da7dacbc1a
modify MyRfbProto.java and acceptThread.java add readSecType
e085711
parents:
45
diff
changeset
|
241 } |
| 54 | 242 |
|
47
b2bf4e44504a
modify MyRfbProto.java and acceptThread.java , add sendSecResult
e085711
parents:
46
diff
changeset
|
243 void sendSecResult(OutputStream os) throws IOException { |
|
b2bf4e44504a
modify MyRfbProto.java and acceptThread.java , add sendSecResult
e085711
parents:
46
diff
changeset
|
244 byte[] b = castIntByte(0); |
|
b2bf4e44504a
modify MyRfbProto.java and acceptThread.java , add sendSecResult
e085711
parents:
46
diff
changeset
|
245 os.write(b); |
|
b2bf4e44504a
modify MyRfbProto.java and acceptThread.java , add sendSecResult
e085711
parents:
46
diff
changeset
|
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 |
| 374 | |
|
81
9109273b96dc
consume too much memory
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
80
diff
changeset
|
375 void sendDataToClient() throws Exception { |
| 61 | 376 regiFramebufferUpdate(); |
| 377 int dataLen = checkAndMark(); | |
| 378 readSendData(dataLen); | |
| 23 | 379 } |
| 54 | 380 |
| 381 BufferedImage createBufferedImage(Image img) { | |
| 382 BufferedImage bimg = new BufferedImage(img.getWidth(null), | |
| 383 img.getHeight(null), BufferedImage.TYPE_INT_RGB); | |
| 27 | 384 |
| 25 | 385 Graphics g = bimg.getGraphics(); |
| 386 g.drawImage(img, 0, 0, null); | |
| 387 g.dispose(); | |
| 388 return bimg; | |
| 389 } | |
| 390 | |
| 54 | 391 void createPngBytes(BufferedImage bimg) throws IOException { |
| 392 pngBytes = getImageBytes(bimg, "png"); | |
| 25 | 393 } |
| 54 | 394 |
| 395 byte[] getBytes(BufferedImage img) throws IOException { | |
| 25 | 396 byte[] b = getImageBytes(img, "png"); |
| 397 return b; | |
| 398 } | |
| 54 | 399 |
| 400 byte[] getImageBytes(BufferedImage image, String imageFormat) | |
| 401 throws IOException { | |
| 25 | 402 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 403 BufferedOutputStream os = new BufferedOutputStream(bos); | |
| 404 image.flush(); | |
| 405 ImageIO.write(image, imageFormat, os); | |
| 406 os.flush(); | |
| 407 os.close(); | |
| 408 return bos.toByteArray(); | |
| 409 } | |
| 410 | |
| 54 | 411 void sendPngData(Socket sock) throws IOException { |
| 26 | 412 byte[] dataLength = castIntByte(pngBytes.length); |
| 413 sock.getOutputStream().write(dataLength); | |
| 25 | 414 sock.getOutputStream().write(pngBytes); |
| 415 } | |
| 54 | 416 |
| 417 byte[] castIntByte(int len) { | |
| 26 | 418 byte[] b = new byte[4]; |
| 54 | 419 b[0] = (byte) ((len >>> 24) & 0xFF); |
| 420 b[1] = (byte) ((len >>> 16) & 0xFF); | |
| 421 b[2] = (byte) ((len >>> 8) & 0xFF); | |
| 422 b[3] = (byte) ((len >>> 0) & 0xFF); | |
| 26 | 423 return b; |
| 424 } | |
| 54 | 425 |
| 426 BufferedImage createBimg() throws IOException { | |
| 25 | 427 BufferedImage bimg = ImageIO.read(new ByteArrayInputStream(pngBytes)); |
| 428 return bimg; | |
| 429 } | |
| 65 | 430 /* |
| 54 | 431 void readPngData() throws IOException { |
| 25 | 432 pngBytes = new byte[is.available()]; |
| 433 readFully(pngBytes); | |
| 434 } | |
| 65 | 435 */ |
| 54 | 436 void printFramebufferUpdate() { |
| 437 | |
| 18 | 438 System.out.println("messageType=" + messageType); |
| 54 | 439 System.out.println("rectangles=" + rectangles); |
| 18 | 440 System.out.println("encoding=" + encoding); |
| 78 | 441 System.out.println("rectX = "+rectX+": rectY = "+rectY); |
| 442 System.out.println("rectW = "+rectW+": rectH = "+rectH); | |
| 54 | 443 switch (encoding) { |
| 23 | 444 case RfbProto.EncodingRaw: |
| 54 | 445 System.out.println("rectW * rectH * 4 + 16 =" + rectW * rectH * 4 |
| 446 + 16); | |
| 23 | 447 break; |
| 448 default: | |
| 449 } | |
| 18 | 450 } |
| 65 | 451 |
| 77 | 452 void readSpeedCheck() throws IOException { |
| 453 byte[] b = new byte[1]; | |
| 65 | 454 readFully(b); |
| 455 } | |
| 456 | |
| 77 | 457 void startSpeedCheck() { |
| 66 | 458 byte[] b = new byte[2]; |
| 77 | 459 b[0] = (byte) SpeedCheckMillis; |
| 66 | 460 b[1] = (byte) 0; |
| 461 startCheckTime = System.currentTimeMillis(); | |
| 462 System.out.println("startChckTime = "+ startCheckTime); | |
| 84 | 463 LinkedList<byte[]>bufs = new LinkedList<byte[]>(); |
| 464 bufs.add(b); | |
| 465 multicastqueue.put(bufs); | |
| 65 | 466 } |
| 467 | |
| 77 | 468 void endSpeedCheck() { |
| 65 | 469 long accTime = System.currentTimeMillis(); |
| 470 long time = accTime - startCheckTime; | |
| 471 System.out.println("checkMillis: " + time); | |
| 472 } | |
| 473 | |
| 474 void printStatus() { | |
| 475 System.out.println(); | |
| 476 } | |
| 477 | |
| 478 synchronized void changeStatusFlag() { | |
| 479 printStatusFlag = true; | |
| 480 } | |
| 481 | |
| 482 void printMills() { | |
| 483 if(printStatusFlag) { | |
| 484 | |
| 485 changeStatusFlag(); | |
| 486 } else { | |
| 487 changeStatusFlag(); | |
| 488 } | |
| 489 } | |
| 86 | 490 |
| 491 public int zip(Deflater deflater,LinkedList<byte[]> inputs, byte[] header, LinkedList<byte[]> outputs) throws IOException { | |
| 492 int clen = u32(inputs.poll(),0); | |
| 493 | |
| 494 int len = 0, count = 0; | |
| 495 int len2=0; | |
| 496 //int bufSize = bufs.size(); | |
| 497 //int bufCount = 0; | |
| 498 deflater.reset(); | |
| 499 do { | |
| 500 byte[] b1 = inputs.poll(); | |
| 501 if (inputs.size()==0) { | |
| 502 deflater.setInput(b1,0,clen); | |
| 503 deflater.finish(); | |
| 504 } else | |
| 505 deflater.setInput(b1); | |
| 506 int len1=0; | |
| 507 do { | |
| 508 byte[] c1 = new byte[INFLATE_BUFSIZE]; | |
| 509 len2 = len1; | |
| 510 len1 = deflater.deflate(c1); | |
| 511 if (len1>0) { | |
| 512 outputs.addLast(c1); | |
| 513 count ++; | |
| 514 len += len1; | |
| 515 } | |
| 516 } while (len1 > 0); | |
| 517 } while(inputs.size()>0); | |
| 518 byte[] blen = castIntByte(len); | |
| 519 outputs.addFirst(blen); | |
| 520 outputs.addFirst(header); | |
| 521 return len2; | |
| 522 | |
| 523 } | |
| 524 | |
| 525 public void unzip(Inflater inflater, byte[] input, LinkedList<byte[]> outputs) | |
| 526 throws DataFormatException { | |
| 527 int len=0,len0; | |
| 528 inflater.setInput(input, 20, input.length-20); | |
| 529 do { | |
| 530 byte buf[] = new byte[INFLATE_BUFSIZE]; | |
| 531 len0 = inflater.inflate(buf); | |
| 532 len += len0; | |
| 533 outputs.addLast(buf); | |
| 534 } while (len0 ==INFLATE_BUFSIZE); | |
| 535 byte [] blen = castIntByte(len0); | |
| 536 outputs.addFirst(blen); | |
| 537 byte inf[] = new byte[16]; | |
| 538 for(int i = 0;i<16;i++) inf[i] = input[i]; | |
| 539 outputs.addFirst(inf); | |
| 540 } | |
| 65 | 541 |
| 86 | 542 void readSendData(int dataLen) throws IOException, DataFormatException { |
| 543 byte b[] = new byte[dataLen]; | |
| 544 readFully(b); | |
| 545 LinkedList<byte[]>bufs = new LinkedList<byte[]>(); | |
| 546 if (b[0]==RfbProto.FramebufferUpdate) { | |
| 547 int encoding = u32(b,12); | |
| 548 if (encoding==RfbProto.EncodingZlib||encoding==RfbProto.EncodingZRLE) { | |
| 549 unzip(inflater, b, bufs); | |
| 550 multicastqueue.put(bufs); | |
| 551 is.reset(); | |
| 552 return ; | |
| 553 } | |
| 554 } | |
| 555 bufs.add(b); | |
| 556 multicastqueue.put(bufs); | |
| 557 is.reset(); | |
| 558 | |
| 559 // It may be compressed. We can inflate here to avoid repeating clients decompressing here, | |
| 560 // but it may generate too many large data. It is better to do it in each client. | |
| 561 // But we have do inflation for all input data, so we have to do it here. | |
| 562 /* | |
| 563 for (Socket cli : cliList) { | |
| 564 try { | |
| 565 OutputStream out = cli.getOutputStream(); | |
| 566 executor.execute(new SendThread(out, buffer)); | |
| 567 } catch (IOException e) { | |
| 568 // if client socket closed | |
| 569 cliListTmp.remove(cli); | |
| 570 } catch (Exception e) { | |
| 571 | |
| 572 } | |
| 573 | |
| 574 } | |
| 575 */ | |
| 576 } | |
| 43 | 577 |
| 71 | 578 void newClient(AcceptThread acceptThread, final Socket newCli, |
| 54 | 579 final OutputStream os, final InputStream is) throws IOException { |
| 580 // createBimgFlag = true; | |
| 581 // rfb.addSockTmp(newCli); | |
| 582 // addSock(newCli); | |
| 84 | 583 final Client <LinkedList<byte[]>> c = multicastqueue.newClient(); |
| 54 | 584 Runnable sender = new Runnable() { |
| 585 public void run() { | |
| 80 | 586 |
| 587 Deflater deflater = new Deflater(); | |
| 54 | 588 try { |
| 65 | 589 /** |
| 590 * initial connection of RFB protocol | |
| 591 */ | |
| 54 | 592 sendRfbVersion(os); |
| 593 readVersionMsg(is); | |
| 594 sendSecurityType(os); | |
| 595 readSecType(is); | |
| 596 sendSecResult(os); | |
| 597 readClientInit(is); | |
| 598 sendInitData(os); | |
| 43 | 599 |
| 54 | 600 for (;;) { |
| 84 | 601 LinkedList<byte[]> bufs = c.poll(); |
| 602 byte[] b = bufs.poll(); | |
| 80 | 603 if (b[0]==RfbProto.FramebufferUpdate) { |
| 84 | 604 int encoding = u32(b,12); |
| 80 | 605 if (encoding==RfbProto.EncodingZlib||encoding==RfbProto.EncodingZRLE) { |
| 84 | 606 LinkedList<byte[]> outs = new LinkedList<byte[]>(); |
| 86 | 607 int len2 = zip(deflater, bufs, b, outs); |
| 608 while(!outs.isEmpty()) { | |
| 609 byte [] out= outs.poll(); | |
| 610 if (outs.isEmpty()) | |
| 611 os.write(out,0,len2); | |
| 612 else | |
| 84 | 613 os.write(out); |
| 614 } | |
| 80 | 615 } |
| 84 | 616 } else { |
| 80 | 617 os.write(b, 0, b.length); |
| 84 | 618 } |
| 85 | 619 os.flush(); |
| 54 | 620 } |
| 621 } catch (IOException e) { | |
| 65 | 622 /** |
| 623 * if socket closed | |
| 624 */ | |
| 54 | 625 // cliList.remove(newCli); |
| 626 } | |
| 627 | |
| 628 } | |
| 629 | |
| 84 | 630 |
| 86 | 631 |
| 54 | 632 }; |
| 80 | 633 clients++; |
| 54 | 634 new Thread(sender).start(); |
| 635 | |
| 636 } | |
| 66 | 637 |
| 84 | 638 private int u32(byte[] b, int i) { |
| 639 int ret = 0; | |
| 640 for(int j = 0;j<4;j++) { | |
| 641 ret *= 256; | |
| 642 ret += b[i+j] & 0xff; | |
| 643 } | |
| 644 return ret; | |
| 645 } | |
| 77 | 646 void speedCheckMillis() { |
| 66 | 647 |
| 648 Runnable stdin = new Runnable() { | |
| 649 public void run() { | |
| 650 int c; | |
| 651 try { | |
| 652 while( (c = System.in.read()) != -1 ) { | |
| 653 switch(c) { | |
| 654 case 's': | |
| 655 break; | |
| 656 default: | |
| 77 | 657 startSpeedCheck(); |
| 66 | 658 break; |
| 659 } | |
| 660 } | |
| 661 }catch(IOException e){ | |
| 662 System.out.println(e); | |
| 663 } | |
| 664 } | |
| 665 }; | |
| 666 | |
| 667 new Thread(stdin).start(); | |
| 668 } | |
| 669 | |
| 54 | 670 } |
| 66 | 671 |
| 672 |