Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/MyRfbProto.java @ 73:6fc4272db7e2
change class name
| author | Yu Taninari <e085734@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 26 Jul 2011 22:41:15 +0900 |
| parents | 7795e2b5d3ef |
| children | 6e703f1000e7 |
| 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 { | |
| 27 | |
| 43 | 28 final static String versionMsg_3_998 = "RFB 003.998\n"; |
| 54 | 29 |
| 18 | 30 private int messageType; |
| 31 private int rectangles; | |
| 23 | 32 private int rectX; |
| 33 private int rectY; | |
| 34 private int rectW; | |
| 35 private int rectH; | |
| 18 | 36 private int encoding; |
| 27 | 37 private int zLen; |
| 18 | 38 |
| 23 | 39 private ServerSocket servSock; |
| 40 private int acceptPort; | |
| 10 | 41 private byte initData[]; |
| 54 | 42 private LinkedList<Socket> cliListTmp; |
| 43 private LinkedList<Socket> cliList; | |
| 44 private LinkedList<Thread> sendThreads; | |
| 27 | 45 boolean createBimgFlag; |
| 54 | 46 |
| 40 | 47 ExecutorService executor; |
| 54 | 48 |
| 25 | 49 byte[] pngBytes; |
| 54 | 50 |
| 51 private MulticastQueue<byte[]> multicastqueue = new MulticastQueue<byte[]>(); | |
| 52 | |
| 53 MyRfbProto(String h, int p, VncViewer v) throws IOException { | |
| 10 | 54 super(h, p, v); |
| 54 | 55 cliList = new LinkedList<Socket>(); |
| 56 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 57 createBimgFlag = false; |
| 61 | 58 // sendThreads = new LinkedList<Thread>(); |
| 54 | 59 // executor = Executors.newCachedThreadPool(); |
| 60 // executor = Executors.newSingleThreadExecutor(); | |
| 10 | 61 } |
| 62 | |
| 13 | 63 MyRfbProto(String h, int p) throws IOException { |
| 64 super(h, p); | |
| 54 | 65 cliList = new LinkedList<Socket>(); |
| 66 cliListTmp = new LinkedList<Socket>(); | |
| 27 | 67 createBimgFlag = false; |
| 61 | 68 // sendThreads = new LinkedList<Thread>(); |
| 54 | 69 // executor = Executors.newCachedThreadPool(); |
| 70 // executor = Executors.newSingleThreadExecutor(); | |
| 13 | 71 } |
| 24 | 72 |
| 44 | 73 // over write |
| 43 | 74 void writeVersionMsg() throws IOException { |
| 75 clientMajor = 3; | |
| 76 if (serverMinor >= 9) { | |
| 54 | 77 clientMinor = 9; |
| 78 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 79 } else if (serverMajor > 3 || serverMinor >= 8) { |
| 80 clientMinor = 8; | |
| 81 os.write(versionMsg_3_8.getBytes()); | |
| 82 } else if (serverMinor >= 9) { | |
| 83 clientMinor = 9; | |
| 84 os.write(versionMsg_3_998.getBytes()); | |
| 85 } else if (serverMinor >= 7) { | |
| 86 clientMinor = 7; | |
| 87 os.write(versionMsg_3_7.getBytes()); | |
| 88 } else { | |
| 89 clientMinor = 3; | |
| 90 os.write(versionMsg_3_3.getBytes()); | |
| 91 } | |
| 92 protocolTightVNC = false; | |
| 93 initCapabilities(); | |
| 94 } | |
| 95 | |
| 54 | 96 void initServSock(int port) throws IOException { |
| 10 | 97 servSock = new ServerSocket(port); |
| 23 | 98 acceptPort = port; |
| 10 | 99 } |
| 54 | 100 |
| 101 // 5550を開けるが、開いてないなら+1のポートを開ける。 | |
| 102 void selectPort() { | |
| 23 | 103 int i = 5550; |
| 54 | 104 while (true) { |
| 105 try { | |
| 23 | 106 initServSock(i); |
| 107 break; | |
| 54 | 108 } catch (BindException e) { |
| 23 | 109 i++; |
| 110 continue; | |
| 54 | 111 } catch (IOException e) { |
| 10 | 112 |
| 23 | 113 } |
| 114 } | |
| 54 | 115 System.out.println("accept port = " + i); |
| 23 | 116 } |
| 54 | 117 |
| 118 int getAcceptPort() { | |
| 23 | 119 return acceptPort; |
| 120 } | |
| 54 | 121 |
| 10 | 122 void setSoTimeout(int num) throws IOException { |
| 123 servSock.setSoTimeout(num); | |
| 124 } | |
| 54 | 125 |
| 10 | 126 Socket accept() throws IOException { |
| 127 return servSock.accept(); | |
| 128 } | |
| 129 | |
| 54 | 130 void addSock(Socket sock) { |
| 10 | 131 cliList.add(sock); |
| 132 } | |
| 54 | 133 |
| 134 void addSockTmp(Socket sock) { | |
| 135 System.out.println("connected " + sock.getInetAddress()); | |
| 27 | 136 cliListTmp.add(sock); |
| 137 } | |
| 54 | 138 |
| 10 | 139 void mark(int len) throws IOException { |
| 140 is.mark(len); | |
| 141 } | |
| 142 | |
| 143 void reset() throws IOException { | |
| 144 is.reset(); | |
| 54 | 145 } |
| 10 | 146 |
| 147 boolean markSupported() { | |
| 148 return is.markSupported(); | |
| 149 } | |
| 54 | 150 |
| 10 | 151 void readServerInit() throws IOException { |
| 54 | 152 |
| 10 | 153 mark(255); |
| 154 skipBytes(20); | |
| 155 int nlen = readU32(); | |
| 54 | 156 int blen = 20 + 4 + nlen; |
| 10 | 157 initData = new byte[blen]; |
| 158 reset(); | |
| 159 | |
| 160 mark(blen); | |
| 161 readFully(initData); | |
| 162 reset(); | |
| 54 | 163 |
| 10 | 164 framebufferWidth = readU16(); |
| 165 framebufferHeight = readU16(); | |
| 166 bitsPerPixel = readU8(); | |
| 167 depth = readU8(); | |
| 168 bigEndian = (readU8() != 0); | |
| 169 trueColour = (readU8() != 0); | |
| 170 redMax = readU16(); | |
| 171 greenMax = readU16(); | |
| 172 blueMax = readU16(); | |
| 173 redShift = readU8(); | |
| 174 greenShift = readU8(); | |
| 175 blueShift = readU8(); | |
| 176 byte[] pad = new byte[3]; | |
| 177 readFully(pad); | |
| 178 int nameLength = readU32(); | |
| 179 byte[] name = new byte[nameLength]; | |
| 180 readFully(name); | |
| 181 desktopName = new String(name); | |
| 182 | |
| 183 // Read interaction capabilities (TightVNC protocol extensions) | |
| 184 if (protocolTightVNC) { | |
| 185 int nServerMessageTypes = readU16(); | |
| 186 int nClientMessageTypes = readU16(); | |
| 187 int nEncodingTypes = readU16(); | |
| 188 readU16(); | |
| 189 readCapabilityList(serverMsgCaps, nServerMessageTypes); | |
| 190 readCapabilityList(clientMsgCaps, nClientMessageTypes); | |
| 191 readCapabilityList(encodingCaps, nEncodingTypes); | |
| 192 } | |
| 193 | |
| 194 inNormalProtocol = true; | |
| 195 } | |
| 196 | |
| 54 | 197 void sendRfbVersion(OutputStream os) throws IOException { |
| 198 os.write(versionMsg_3_998.getBytes()); | |
| 43 | 199 } |
| 54 | 200 |
| 45 | 201 void readVersionMsg(InputStream is) throws IOException { |
| 202 | |
| 203 byte[] b = new byte[12]; | |
| 204 | |
| 205 is.read(b); | |
| 206 | |
| 207 if ((b[0] != 'R') || (b[1] != 'F') || (b[2] != 'B') || (b[3] != ' ') | |
| 208 || (b[4] < '0') || (b[4] > '9') || (b[5] < '0') || (b[5] > '9') | |
| 209 || (b[6] < '0') || (b[6] > '9') || (b[7] != '.') | |
| 210 || (b[8] < '0') || (b[8] > '9') || (b[9] < '0') || (b[9] > '9') | |
| 211 || (b[10] < '0') || (b[10] > '9') || (b[11] != '\n')) { | |
| 212 throw new IOException("Host " + host + " port " + port | |
| 213 + " is not an RFB server"); | |
| 214 } | |
| 215 | |
| 216 serverMajor = (b[4] - '0') * 100 + (b[5] - '0') * 10 + (b[6] - '0'); | |
| 217 serverMinor = (b[8] - '0') * 100 + (b[9] - '0') * 10 + (b[10] - '0'); | |
| 218 | |
| 219 if (serverMajor < 3) { | |
| 220 throw new IOException( | |
| 221 "RFB server does not support protocol version 3"); | |
| 54 | 222 } |
| 223 | |
| 224 } | |
| 225 | |
| 43 | 226 void sendSecurityType(OutputStream os) throws IOException { |
| 227 // number-of-security-types | |
| 228 os.write(1); | |
| 54 | 229 // security-types |
| 43 | 230 // 1:None |
| 231 os.write(1); | |
| 232 } | |
| 54 | 233 |
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234 void readSecType(InputStream is) throws IOException { |
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235 byte[] b = new byte[1]; |
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236 is.read(b); |
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237 |
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238 } |
| 54 | 239 |
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240 void sendSecResult(OutputStream os) throws IOException { |
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241 byte[] b = castIntByte(0); |
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242 os.write(b); |
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243 } |
| 54 | 244 |
| 43 | 245 void readClientInit(InputStream in) throws IOException { |
| 246 byte[] b = new byte[0]; | |
| 247 in.read(b); | |
| 248 } | |
| 54 | 249 |
| 250 void sendInitData(OutputStream os) throws IOException { | |
| 251 os.write(initData); | |
| 10 | 252 } |
| 253 | |
| 54 | 254 void sendData(byte b[]) { |
| 255 try { | |
| 256 multicastqueue.put(b); | |
| 257 | |
| 258 /* | |
| 259 * // for(Socket cli : cliList){ // try{ // | |
| 260 * cli.getOutputStream().write(b, 0, b.length); // | |
| 261 * }catch(IOException e){ // // if socket closed // | |
| 262 * cliList.remove(cli); // } // } | |
| 263 */ | |
| 264 // System.out.println("cliSize="+cliSize()); | |
| 265 } catch (Exception e) { | |
| 17 | 266 } |
| 27 | 267 } |
| 54 | 268 |
| 269 void sendPngImage() { | |
| 270 try { | |
| 271 for (Socket cli : cliListTmp) { | |
| 272 try { | |
| 27 | 273 sendPngData(cli); |
| 274 addSock(cli); | |
| 54 | 275 } catch (IOException e) { |
| 27 | 276 // if socket closed |
| 277 cliListTmp.remove(cli); | |
| 278 } | |
| 279 } | |
| 54 | 280 // System.out.println("cliSize="+cliSize()); |
| 281 } catch (Exception e) { | |
| 27 | 282 } |
| 283 cliListTmp.clear(); | |
| 284 } | |
| 285 | |
| 15 | 286 boolean ready() throws IOException { |
| 287 BufferedReader br = new BufferedReader(new InputStreamReader(is)); | |
| 288 return br.ready(); | |
| 54 | 289 } |
| 10 | 290 |
| 54 | 291 int cliSize() { |
| 10 | 292 return cliList.size(); |
| 54 | 293 } |
| 294 | |
| 295 void printNumBytesRead() { | |
| 296 System.out.println("numBytesRead=" + numBytesRead); | |
| 297 } | |
| 298 | |
| 15 | 299 void bufResetSend(int size) throws IOException { |
| 300 reset(); | |
| 301 int len = size; | |
| 54 | 302 if (available() < size) |
| 15 | 303 len = available(); |
| 304 byte buffer[] = new byte[len]; | |
| 305 readFully(buffer); | |
| 306 sendData(buffer); | |
| 307 } | |
| 54 | 308 |
| 61 | 309 |
| 54 | 310 void regiFramebufferUpdate() throws IOException { |
| 27 | 311 mark(20); |
| 18 | 312 messageType = readU8(); |
| 313 skipBytes(1); | |
| 314 rectangles = readU16(); | |
| 23 | 315 rectX = readU16(); |
| 316 rectY = readU16(); | |
| 317 rectW = readU16(); | |
| 318 rectH = readU16(); | |
| 27 | 319 encoding = readU32(); |
| 54 | 320 if (encoding == 16) |
| 27 | 321 zLen = readU32(); |
| 23 | 322 reset(); |
| 15 | 323 } |
| 54 | 324 |
| 61 | 325 int checkAndMark() throws IOException { |
| 326 int dataLen; | |
| 54 | 327 switch (encoding) { |
| 23 | 328 case RfbProto.EncodingRaw: |
| 39 | 329 dataLen = rectW * rectH * 4 + 16; |
| 330 mark(dataLen); | |
| 23 | 331 break; |
| 27 | 332 case RfbProto.EncodingZRLE: |
| 54 | 333 dataLen = zLen + 20; |
| 39 | 334 mark(dataLen); |
| 27 | 335 break; |
| 23 | 336 default: |
| 61 | 337 dataLen = 1000000; |
| 62 | 338 mark(dataLen); |
| 54 | 339 } |
| 61 | 340 return dataLen; |
| 341 } | |
| 342 void readSendData(int dataLen) throws IOException { | |
| 343 byte buffer[] = new byte[dataLen]; | |
| 344 readFully(buffer); | |
| 345 multicastqueue.put(buffer); | |
| 346 reset(); | |
| 347 /* | |
| 348 for (Socket cli : cliList) { | |
| 349 try { | |
| 350 OutputStream out = cli.getOutputStream(); | |
| 351 executor.execute(new SendThread(out, buffer)); | |
| 352 } catch (IOException e) { | |
| 353 // if client socket closed | |
| 354 cliListTmp.remove(cli); | |
| 355 } catch (Exception e) { | |
| 356 | |
| 357 } | |
| 358 | |
| 359 } | |
| 360 */ | |
| 361 } | |
| 362 void sendDataToClient() throws IOException { | |
| 363 regiFramebufferUpdate(); | |
| 364 int dataLen = checkAndMark(); | |
| 365 readSendData(dataLen); | |
| 23 | 366 } |
| 54 | 367 |
| 368 BufferedImage createBufferedImage(Image img) { | |
| 369 BufferedImage bimg = new BufferedImage(img.getWidth(null), | |
| 370 img.getHeight(null), BufferedImage.TYPE_INT_RGB); | |
| 27 | 371 |
| 25 | 372 Graphics g = bimg.getGraphics(); |
| 373 g.drawImage(img, 0, 0, null); | |
| 374 g.dispose(); | |
| 375 return bimg; | |
| 376 } | |
| 377 | |
| 54 | 378 void createPngBytes(BufferedImage bimg) throws IOException { |
| 379 pngBytes = getImageBytes(bimg, "png"); | |
| 25 | 380 } |
| 54 | 381 |
| 382 byte[] getBytes(BufferedImage img) throws IOException { | |
| 25 | 383 byte[] b = getImageBytes(img, "png"); |
| 384 return b; | |
| 385 } | |
| 54 | 386 |
| 387 byte[] getImageBytes(BufferedImage image, String imageFormat) | |
| 388 throws IOException { | |
| 25 | 389 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 390 BufferedOutputStream os = new BufferedOutputStream(bos); | |
| 391 image.flush(); | |
| 392 ImageIO.write(image, imageFormat, os); | |
| 393 os.flush(); | |
| 394 os.close(); | |
| 395 return bos.toByteArray(); | |
| 396 } | |
| 397 | |
| 54 | 398 void sendPngData(Socket sock) throws IOException { |
| 26 | 399 byte[] dataLength = castIntByte(pngBytes.length); |
| 400 sock.getOutputStream().write(dataLength); | |
| 25 | 401 sock.getOutputStream().write(pngBytes); |
| 402 } | |
| 54 | 403 |
| 404 byte[] castIntByte(int len) { | |
| 26 | 405 byte[] b = new byte[4]; |
| 54 | 406 b[0] = (byte) ((len >>> 24) & 0xFF); |
| 407 b[1] = (byte) ((len >>> 16) & 0xFF); | |
| 408 b[2] = (byte) ((len >>> 8) & 0xFF); | |
| 409 b[3] = (byte) ((len >>> 0) & 0xFF); | |
| 26 | 410 return b; |
| 411 } | |
| 54 | 412 |
| 413 BufferedImage createBimg() throws IOException { | |
| 25 | 414 BufferedImage bimg = ImageIO.read(new ByteArrayInputStream(pngBytes)); |
| 415 return bimg; | |
| 416 } | |
| 54 | 417 |
| 418 void readPngData() throws IOException { | |
| 25 | 419 pngBytes = new byte[is.available()]; |
| 420 readFully(pngBytes); | |
| 421 } | |
| 54 | 422 |
| 423 void printFramebufferUpdate() { | |
| 424 | |
| 18 | 425 System.out.println("messageType=" + messageType); |
| 54 | 426 System.out.println("rectangles=" + rectangles); |
| 18 | 427 System.out.println("encoding=" + encoding); |
| 54 | 428 switch (encoding) { |
| 23 | 429 case RfbProto.EncodingRaw: |
| 54 | 430 System.out.println("rectW * rectH * 4 + 16 =" + rectW * rectH * 4 |
| 431 + 16); | |
| 23 | 432 break; |
| 433 default: | |
| 434 } | |
| 18 | 435 } |
| 43 | 436 |
| 73 | 437 void newClient(AcceptThread acceptThread, final Socket newCli, |
| 54 | 438 final OutputStream os, final InputStream is) throws IOException { |
| 439 // createBimgFlag = true; | |
| 440 // rfb.addSockTmp(newCli); | |
| 441 // addSock(newCli); | |
| 442 final Client<byte[]> c = multicastqueue.newClient(); | |
| 443 Runnable sender = new Runnable() { | |
| 444 public void run() { | |
| 445 try { | |
| 446 // 初期接続確立の部分 | |
| 447 sendRfbVersion(os); | |
| 448 readVersionMsg(is); | |
| 449 sendSecurityType(os); | |
| 450 readSecType(is); | |
| 451 sendSecResult(os); | |
| 452 readClientInit(is); | |
| 453 sendInitData(os); | |
| 43 | 454 |
| 54 | 455 for (;;) { |
| 456 byte[] b = c.poll(); | |
| 457 os.write(b, 0, b.length); | |
| 458 } | |
| 459 } catch (IOException e) { | |
| 460 //接続が切れた処理 | |
| 461 //lockしないと駄目 | |
| 462 // cliList.remove(newCli); | |
| 463 } | |
| 464 | |
| 465 } | |
| 466 | |
| 467 }; | |
| 468 new Thread(sender).start(); | |
| 469 | |
| 470 } | |
| 471 } |