Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/MyRfbProto.java @ 75:6e703f1000e7
merge
| author | Yu Taninari <e085734@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 28 Jul 2011 17:52:48 +0900 |
| parents | 6fc4272db7e2 f695bc56eb4f |
| children | 347c153f74c7 |
| 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; | |
| 24 import java.io.OutputStream; | |
| 10 | 25 |
| 26 class MyRfbProto extends RfbProto { | |
| 43 | 27 final static String versionMsg_3_998 = "RFB 003.998\n"; |
| 65 | 28 /** |
| 29 * CheckMillis is one of new msgType for RFB 3.998. | |
| 30 */ | |
| 31 final static int CheckMillis = 4; | |
| 32 boolean printStatusFlag = false; | |
| 33 long startCheckTime; | |
| 54 | 34 |
| 18 | 35 private int messageType; |
| 36 private int rectangles; | |
| 23 | 37 private int rectX; |
| 38 private int rectY; | |
| 39 private int rectW; | |
| 40 private int rectH; | |
| 18 | 41 private int encoding; |
| 27 | 42 private int zLen; |
| 18 | 43 |
| 23 | 44 private ServerSocket servSock; |
| 45 private int acceptPort; | |
| 10 | 46 private byte initData[]; |
| 54 | 47 private LinkedList<Socket> cliListTmp; |
| 48 private LinkedList<Socket> cliList; | |
| 49 private LinkedList<Thread> sendThreads; | |
| 27 | 50 boolean createBimgFlag; |
| 54 | 51 |
| 40 | 52 ExecutorService executor; |
| 54 | 53 |
| 25 | 54 byte[] pngBytes; |
| 54 | 55 |
| 56 private MulticastQueue<byte[]> multicastqueue = new MulticastQueue<byte[]>(); | |
| 57 | |
| 58 MyRfbProto(String h, int p, VncViewer v) throws IOException { | |
| 10 | 59 super(h, p, v); |
| 54 | 60 cliList = new LinkedList<Socket>(); |
| 61 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 62 createBimgFlag = false; |
| 61 | 63 // sendThreads = new LinkedList<Thread>(); |
| 54 | 64 // executor = Executors.newCachedThreadPool(); |
| 65 // executor = Executors.newSingleThreadExecutor(); | |
| 10 | 66 } |
| 67 | |
| 13 | 68 MyRfbProto(String h, int p) throws IOException { |
| 69 super(h, p); | |
| 54 | 70 cliList = new LinkedList<Socket>(); |
| 71 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 72 createBimgFlag = false; |
| 61 | 73 // sendThreads = new LinkedList<Thread>(); |
| 54 | 74 // executor = Executors.newCachedThreadPool(); |
| 75 // executor = Executors.newSingleThreadExecutor(); | |
| 13 | 76 } |
| 24 | 77 |
| 44 | 78 // over write |
| 43 | 79 void writeVersionMsg() throws IOException { |
| 80 clientMajor = 3; | |
| 81 if (serverMinor >= 9) { | |
| 54 | 82 clientMinor = 9; |
| 83 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 84 } else if (serverMajor > 3 || serverMinor >= 8) { |
| 85 clientMinor = 8; | |
| 86 os.write(versionMsg_3_8.getBytes()); | |
| 87 } else if (serverMinor >= 9) { | |
| 88 clientMinor = 9; | |
| 89 os.write(versionMsg_3_998.getBytes()); | |
| 90 } else if (serverMinor >= 7) { | |
| 91 clientMinor = 7; | |
| 92 os.write(versionMsg_3_7.getBytes()); | |
| 93 } else { | |
| 94 clientMinor = 3; | |
| 95 os.write(versionMsg_3_3.getBytes()); | |
| 96 } | |
| 97 protocolTightVNC = false; | |
| 98 initCapabilities(); | |
| 99 } | |
| 100 | |
| 54 | 101 void initServSock(int port) throws IOException { |
| 10 | 102 servSock = new ServerSocket(port); |
| 23 | 103 acceptPort = port; |
| 10 | 104 } |
| 54 | 105 |
| 106 // 5550を開けるが、開いてないなら+1のポートを開ける。 | |
| 107 void selectPort() { | |
| 23 | 108 int i = 5550; |
| 54 | 109 while (true) { |
| 110 try { | |
| 23 | 111 initServSock(i); |
| 112 break; | |
| 54 | 113 } catch (BindException e) { |
| 23 | 114 i++; |
| 115 continue; | |
| 54 | 116 } catch (IOException e) { |
| 10 | 117 |
| 23 | 118 } |
| 119 } | |
| 54 | 120 System.out.println("accept port = " + i); |
| 23 | 121 } |
| 54 | 122 |
| 123 int getAcceptPort() { | |
| 23 | 124 return acceptPort; |
| 125 } | |
| 54 | 126 |
| 10 | 127 void setSoTimeout(int num) throws IOException { |
| 128 servSock.setSoTimeout(num); | |
| 129 } | |
| 54 | 130 |
| 10 | 131 Socket accept() throws IOException { |
| 132 return servSock.accept(); | |
| 133 } | |
| 134 | |
| 54 | 135 void addSock(Socket sock) { |
| 10 | 136 cliList.add(sock); |
| 137 } | |
| 54 | 138 |
| 139 void addSockTmp(Socket sock) { | |
| 140 System.out.println("connected " + sock.getInetAddress()); | |
| 27 | 141 cliListTmp.add(sock); |
| 142 } | |
| 54 | 143 |
| 10 | 144 void mark(int len) throws IOException { |
| 145 is.mark(len); | |
| 146 } | |
| 147 | |
| 148 void reset() throws IOException { | |
| 149 is.reset(); | |
| 54 | 150 } |
| 10 | 151 |
| 152 boolean markSupported() { | |
| 153 return is.markSupported(); | |
| 154 } | |
| 54 | 155 |
| 10 | 156 void readServerInit() throws IOException { |
| 54 | 157 |
| 10 | 158 mark(255); |
| 159 skipBytes(20); | |
| 160 int nlen = readU32(); | |
| 54 | 161 int blen = 20 + 4 + nlen; |
| 10 | 162 initData = new byte[blen]; |
| 163 reset(); | |
| 164 | |
| 165 mark(blen); | |
| 166 readFully(initData); | |
| 167 reset(); | |
| 54 | 168 |
| 10 | 169 framebufferWidth = readU16(); |
| 170 framebufferHeight = readU16(); | |
| 171 bitsPerPixel = readU8(); | |
| 172 depth = readU8(); | |
| 173 bigEndian = (readU8() != 0); | |
| 174 trueColour = (readU8() != 0); | |
| 175 redMax = readU16(); | |
| 176 greenMax = readU16(); | |
| 177 blueMax = readU16(); | |
| 178 redShift = readU8(); | |
| 179 greenShift = readU8(); | |
| 180 blueShift = readU8(); | |
| 181 byte[] pad = new byte[3]; | |
| 182 readFully(pad); | |
| 183 int nameLength = readU32(); | |
| 184 byte[] name = new byte[nameLength]; | |
| 185 readFully(name); | |
| 186 desktopName = new String(name); | |
| 187 | |
| 188 // Read interaction capabilities (TightVNC protocol extensions) | |
| 189 if (protocolTightVNC) { | |
| 190 int nServerMessageTypes = readU16(); | |
| 191 int nClientMessageTypes = readU16(); | |
| 192 int nEncodingTypes = readU16(); | |
| 193 readU16(); | |
| 194 readCapabilityList(serverMsgCaps, nServerMessageTypes); | |
| 195 readCapabilityList(clientMsgCaps, nClientMessageTypes); | |
| 196 readCapabilityList(encodingCaps, nEncodingTypes); | |
| 197 } | |
| 198 | |
| 199 inNormalProtocol = true; | |
| 200 } | |
| 201 | |
| 54 | 202 void sendRfbVersion(OutputStream os) throws IOException { |
| 203 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 204 } |
| 54 | 205 |
| 45 | 206 void readVersionMsg(InputStream is) throws IOException { |
| 207 | |
| 208 byte[] b = new byte[12]; | |
| 209 | |
| 210 is.read(b); | |
| 211 | |
| 212 if ((b[0] != 'R') || (b[1] != 'F') || (b[2] != 'B') || (b[3] != ' ') | |
| 213 || (b[4] < '0') || (b[4] > '9') || (b[5] < '0') || (b[5] > '9') | |
| 214 || (b[6] < '0') || (b[6] > '9') || (b[7] != '.') | |
| 215 || (b[8] < '0') || (b[8] > '9') || (b[9] < '0') || (b[9] > '9') | |
| 216 || (b[10] < '0') || (b[10] > '9') || (b[11] != '\n')) { | |
| 217 throw new IOException("Host " + host + " port " + port | |
| 218 + " is not an RFB server"); | |
| 219 } | |
| 220 | |
| 221 serverMajor = (b[4] - '0') * 100 + (b[5] - '0') * 10 + (b[6] - '0'); | |
| 222 serverMinor = (b[8] - '0') * 100 + (b[9] - '0') * 10 + (b[10] - '0'); | |
| 223 | |
| 224 if (serverMajor < 3) { | |
| 225 throw new IOException( | |
| 226 "RFB server does not support protocol version 3"); | |
| 54 | 227 } |
| 228 | |
| 229 } | |
| 230 | |
| 43 | 231 void sendSecurityType(OutputStream os) throws IOException { |
| 232 // number-of-security-types | |
| 233 os.write(1); | |
| 54 | 234 // security-types |
| 43 | 235 // 1:None |
| 236 os.write(1); | |
| 237 } | |
| 54 | 238 |
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239 void readSecType(InputStream is) throws IOException { |
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240 byte[] b = new byte[1]; |
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241 is.read(b); |
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242 |
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243 } |
| 54 | 244 |
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245 void sendSecResult(OutputStream os) throws IOException { |
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246 byte[] b = castIntByte(0); |
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247 os.write(b); |
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248 } |
| 54 | 249 |
| 43 | 250 void readClientInit(InputStream in) throws IOException { |
| 251 byte[] b = new byte[0]; | |
| 252 in.read(b); | |
| 253 } | |
| 54 | 254 |
| 255 void sendInitData(OutputStream os) throws IOException { | |
| 256 os.write(initData); | |
| 10 | 257 } |
| 258 | |
| 54 | 259 void sendData(byte b[]) { |
| 260 try { | |
| 261 multicastqueue.put(b); | |
| 262 | |
| 263 /* | |
| 264 * // for(Socket cli : cliList){ // try{ // | |
| 265 * cli.getOutputStream().write(b, 0, b.length); // | |
| 266 * }catch(IOException e){ // // if socket closed // | |
| 267 * cliList.remove(cli); // } // } | |
| 268 */ | |
| 269 // System.out.println("cliSize="+cliSize()); | |
| 270 } catch (Exception e) { | |
| 17 | 271 } |
| 27 | 272 } |
| 54 | 273 |
| 274 void sendPngImage() { | |
| 275 try { | |
| 276 for (Socket cli : cliListTmp) { | |
| 277 try { | |
| 27 | 278 sendPngData(cli); |
| 279 addSock(cli); | |
| 54 | 280 } catch (IOException e) { |
| 27 | 281 // if socket closed |
| 282 cliListTmp.remove(cli); | |
| 283 } | |
| 284 } | |
| 54 | 285 // System.out.println("cliSize="+cliSize()); |
| 286 } catch (Exception e) { | |
| 27 | 287 } |
| 288 cliListTmp.clear(); | |
| 289 } | |
| 290 | |
| 15 | 291 boolean ready() throws IOException { |
| 292 BufferedReader br = new BufferedReader(new InputStreamReader(is)); | |
| 293 return br.ready(); | |
| 54 | 294 } |
| 10 | 295 |
| 54 | 296 int cliSize() { |
| 10 | 297 return cliList.size(); |
| 54 | 298 } |
| 299 | |
| 300 void printNumBytesRead() { | |
| 301 System.out.println("numBytesRead=" + numBytesRead); | |
| 302 } | |
| 303 | |
| 15 | 304 void bufResetSend(int size) throws IOException { |
| 305 reset(); | |
| 306 int len = size; | |
| 54 | 307 if (available() < size) |
| 15 | 308 len = available(); |
| 309 byte buffer[] = new byte[len]; | |
| 310 readFully(buffer); | |
| 311 sendData(buffer); | |
| 312 } | |
| 54 | 313 |
| 61 | 314 |
| 54 | 315 void regiFramebufferUpdate() throws IOException { |
| 27 | 316 mark(20); |
| 18 | 317 messageType = readU8(); |
| 318 skipBytes(1); | |
| 319 rectangles = readU16(); | |
| 23 | 320 rectX = readU16(); |
| 321 rectY = readU16(); | |
| 322 rectW = readU16(); | |
| 323 rectH = readU16(); | |
| 27 | 324 encoding = readU32(); |
| 54 | 325 if (encoding == 16) |
| 27 | 326 zLen = readU32(); |
| 23 | 327 reset(); |
| 67 | 328 /* |
| 329 int dataLen; | |
| 330 switch (encoding) { | |
| 331 case RfbProto.EncodingRaw: | |
| 332 dataLen = rectW * rectH * 4 + 16; | |
| 333 mark(dataLen); | |
| 334 break; | |
| 335 case RfbProto.EncodingCopyRect: | |
| 336 dataLen = 16 + 4; | |
| 337 mark(dataLen); | |
| 338 break; | |
| 339 case RfbProto.EncodingRRE: | |
| 340 case RfbProto.EncodingCoRRE: | |
| 341 case RfbProto.EncodingHextile: | |
| 342 | |
| 343 case RfbProto.EncodingZlib: | |
| 344 case RfbProto.EncodingTight: | |
| 345 case RfbProto.EncodingZRLE: | |
| 346 dataLen = zLen + 20; | |
| 347 mark(dataLen); | |
| 348 break; | |
| 349 default: | |
| 350 dataLen = 1000000; | |
| 351 mark(dataLen); | |
| 352 } | |
| 353 | |
| 354 */ | |
| 355 | |
| 15 | 356 } |
| 54 | 357 |
| 61 | 358 int checkAndMark() throws IOException { |
| 359 int dataLen; | |
| 54 | 360 switch (encoding) { |
| 23 | 361 case RfbProto.EncodingRaw: |
| 39 | 362 dataLen = rectW * rectH * 4 + 16; |
| 363 mark(dataLen); | |
| 23 | 364 break; |
| 67 | 365 case RfbProto.EncodingCopyRect: |
| 366 dataLen = 16 + 4; | |
| 367 mark(dataLen); | |
| 368 break; | |
| 369 case RfbProto.EncodingRRE: | |
| 370 case RfbProto.EncodingCoRRE: | |
| 371 case RfbProto.EncodingHextile: | |
| 372 case RfbProto.EncodingZlib: | |
| 373 case RfbProto.EncodingTight: | |
| 27 | 374 case RfbProto.EncodingZRLE: |
| 54 | 375 dataLen = zLen + 20; |
| 39 | 376 mark(dataLen); |
| 27 | 377 break; |
| 23 | 378 default: |
| 61 | 379 dataLen = 1000000; |
| 62 | 380 mark(dataLen); |
| 54 | 381 } |
| 61 | 382 return dataLen; |
| 383 } | |
| 65 | 384 |
| 61 | 385 void readSendData(int dataLen) throws IOException { |
| 386 byte buffer[] = new byte[dataLen]; | |
| 387 readFully(buffer); | |
| 388 multicastqueue.put(buffer); | |
| 389 reset(); | |
| 65 | 390 |
| 61 | 391 /* |
| 392 for (Socket cli : cliList) { | |
| 393 try { | |
| 394 OutputStream out = cli.getOutputStream(); | |
| 395 executor.execute(new SendThread(out, buffer)); | |
| 396 } catch (IOException e) { | |
| 397 // if client socket closed | |
| 398 cliListTmp.remove(cli); | |
| 399 } catch (Exception e) { | |
| 400 | |
| 401 } | |
| 402 | |
| 403 } | |
| 404 */ | |
| 405 } | |
| 406 void sendDataToClient() throws IOException { | |
| 407 regiFramebufferUpdate(); | |
| 408 int dataLen = checkAndMark(); | |
| 409 readSendData(dataLen); | |
| 23 | 410 } |
| 54 | 411 |
| 412 BufferedImage createBufferedImage(Image img) { | |
| 413 BufferedImage bimg = new BufferedImage(img.getWidth(null), | |
| 414 img.getHeight(null), BufferedImage.TYPE_INT_RGB); | |
| 27 | 415 |
| 25 | 416 Graphics g = bimg.getGraphics(); |
| 417 g.drawImage(img, 0, 0, null); | |
| 418 g.dispose(); | |
| 419 return bimg; | |
| 420 } | |
| 421 | |
| 54 | 422 void createPngBytes(BufferedImage bimg) throws IOException { |
| 423 pngBytes = getImageBytes(bimg, "png"); | |
| 25 | 424 } |
| 54 | 425 |
| 426 byte[] getBytes(BufferedImage img) throws IOException { | |
| 25 | 427 byte[] b = getImageBytes(img, "png"); |
| 428 return b; | |
| 429 } | |
| 54 | 430 |
| 431 byte[] getImageBytes(BufferedImage image, String imageFormat) | |
| 432 throws IOException { | |
| 25 | 433 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 434 BufferedOutputStream os = new BufferedOutputStream(bos); | |
| 435 image.flush(); | |
| 436 ImageIO.write(image, imageFormat, os); | |
| 437 os.flush(); | |
| 438 os.close(); | |
| 439 return bos.toByteArray(); | |
| 440 } | |
| 441 | |
| 54 | 442 void sendPngData(Socket sock) throws IOException { |
| 26 | 443 byte[] dataLength = castIntByte(pngBytes.length); |
| 444 sock.getOutputStream().write(dataLength); | |
| 25 | 445 sock.getOutputStream().write(pngBytes); |
| 446 } | |
| 54 | 447 |
| 448 byte[] castIntByte(int len) { | |
| 26 | 449 byte[] b = new byte[4]; |
| 54 | 450 b[0] = (byte) ((len >>> 24) & 0xFF); |
| 451 b[1] = (byte) ((len >>> 16) & 0xFF); | |
| 452 b[2] = (byte) ((len >>> 8) & 0xFF); | |
| 453 b[3] = (byte) ((len >>> 0) & 0xFF); | |
| 26 | 454 return b; |
| 455 } | |
| 54 | 456 |
| 457 BufferedImage createBimg() throws IOException { | |
| 25 | 458 BufferedImage bimg = ImageIO.read(new ByteArrayInputStream(pngBytes)); |
| 459 return bimg; | |
| 460 } | |
| 65 | 461 /* |
| 54 | 462 void readPngData() throws IOException { |
| 25 | 463 pngBytes = new byte[is.available()]; |
| 464 readFully(pngBytes); | |
| 465 } | |
| 65 | 466 */ |
| 54 | 467 void printFramebufferUpdate() { |
| 468 | |
| 18 | 469 System.out.println("messageType=" + messageType); |
| 54 | 470 System.out.println("rectangles=" + rectangles); |
| 18 | 471 System.out.println("encoding=" + encoding); |
| 54 | 472 switch (encoding) { |
| 23 | 473 case RfbProto.EncodingRaw: |
| 54 | 474 System.out.println("rectW * rectH * 4 + 16 =" + rectW * rectH * 4 |
| 475 + 16); | |
| 23 | 476 break; |
| 477 default: | |
| 478 } | |
| 18 | 479 } |
| 65 | 480 |
| 481 void readCheckMillis() throws IOException { | |
| 66 | 482 byte[] b = new byte[2]; |
| 65 | 483 readFully(b); |
| 484 } | |
| 485 | |
| 66 | 486 void startCheckMillis() { |
| 487 byte[] b = new byte[2]; | |
| 488 b[0] = (byte) CheckMillis; | |
| 489 b[1] = (byte) 0; | |
| 490 startCheckTime = System.currentTimeMillis(); | |
| 491 System.out.println("startChckTime = "+ startCheckTime); | |
| 65 | 492 multicastqueue.put(b); |
| 493 } | |
| 494 | |
| 495 void endCheckMills() { | |
| 496 long accTime = System.currentTimeMillis(); | |
| 497 long time = accTime - startCheckTime; | |
| 498 System.out.println("checkMillis: " + time); | |
| 499 } | |
| 500 | |
| 501 void printStatus() { | |
| 502 System.out.println(); | |
| 503 } | |
| 504 | |
| 505 synchronized void changeStatusFlag() { | |
| 506 printStatusFlag = true; | |
| 507 } | |
| 508 | |
| 509 void printMills() { | |
| 510 if(printStatusFlag) { | |
| 511 | |
| 512 changeStatusFlag(); | |
| 513 } else { | |
| 514 changeStatusFlag(); | |
| 515 } | |
| 516 } | |
| 517 | |
| 43 | 518 |
| 73 | 519 void newClient(AcceptThread acceptThread, final Socket newCli, |
| 54 | 520 final OutputStream os, final InputStream is) throws IOException { |
| 521 // createBimgFlag = true; | |
| 522 // rfb.addSockTmp(newCli); | |
| 523 // addSock(newCli); | |
| 524 final Client<byte[]> c = multicastqueue.newClient(); | |
| 525 Runnable sender = new Runnable() { | |
| 526 public void run() { | |
| 527 try { | |
| 65 | 528 /** |
| 529 * initial connection of RFB protocol | |
| 530 */ | |
| 54 | 531 sendRfbVersion(os); |
| 532 readVersionMsg(is); | |
| 533 sendSecurityType(os); | |
| 534 readSecType(is); | |
| 535 sendSecResult(os); | |
| 536 readClientInit(is); | |
| 537 sendInitData(os); | |
| 43 | 538 |
| 54 | 539 for (;;) { |
| 540 byte[] b = c.poll(); | |
| 541 os.write(b, 0, b.length); | |
| 542 } | |
| 543 } catch (IOException e) { | |
| 65 | 544 /** |
| 545 * if socket closed | |
| 546 */ | |
| 54 | 547 // cliList.remove(newCli); |
| 548 } | |
| 549 | |
| 550 } | |
| 551 | |
| 552 }; | |
| 553 new Thread(sender).start(); | |
| 554 | |
| 555 } | |
| 66 | 556 |
| 557 void sendCheckMillis() { | |
| 558 | |
| 559 Runnable stdin = new Runnable() { | |
| 560 public void run() { | |
| 561 int c; | |
| 562 try { | |
| 563 while( (c = System.in.read()) != -1 ) { | |
| 564 switch(c) { | |
| 565 case 's': | |
| 566 break; | |
| 567 default: | |
| 568 startCheckMillis(); | |
| 569 break; | |
| 570 } | |
| 571 } | |
| 572 }catch(IOException e){ | |
| 573 System.out.println(e); | |
| 574 } | |
| 575 } | |
| 576 }; | |
| 577 | |
| 578 new Thread(stdin).start(); | |
| 579 } | |
| 580 | |
| 54 | 581 } |
| 66 | 582 |
| 583 |