Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | package org.eclipse.jetty.websocket; |
| 20 | |
| 21 | import java.io.IOException; |
| 22 | import java.io.UnsupportedEncodingException; |
| 23 | import java.security.MessageDigest; |
| 24 | import java.util.Collections; |
| 25 | import java.util.List; |
| 26 | |
| 27 | import org.eclipse.jetty.io.AbstractConnection; |
| 28 | import org.eclipse.jetty.io.AsyncEndPoint; |
| 29 | import org.eclipse.jetty.io.Buffer; |
| 30 | import org.eclipse.jetty.io.ByteArrayBuffer; |
| 31 | import org.eclipse.jetty.io.Connection; |
| 32 | import org.eclipse.jetty.io.EndPoint; |
| 33 | import org.eclipse.jetty.util.B64Code; |
| 34 | import org.eclipse.jetty.util.StringUtil; |
| 35 | import org.eclipse.jetty.util.Utf8StringBuilder; |
| 36 | import org.eclipse.jetty.util.log.Log; |
| 37 | import org.eclipse.jetty.util.log.Logger; |
| 38 | import org.eclipse.jetty.websocket.WebSocket.OnBinaryMessage; |
| 39 | import org.eclipse.jetty.websocket.WebSocket.OnControl; |
| 40 | import org.eclipse.jetty.websocket.WebSocket.OnFrame; |
| 41 | import org.eclipse.jetty.websocket.WebSocket.OnTextMessage; |
| 42 | |
| 43 | public class WebSocketConnectionD06 extends AbstractConnection implements WebSocketConnection |
| 44 | { |
| 45 | private static final Logger LOG = Log.getLogger(WebSocketConnectionD06.class); |
| 46 | |
| 47 | final static byte OP_CONTINUATION = 0x00; |
| 48 | final static byte OP_CLOSE = 0x01; |
| 49 | final static byte OP_PING = 0x02; |
| 50 | final static byte OP_PONG = 0x03; |
| 51 | final static byte OP_TEXT = 0x04; |
| 52 | final static byte OP_BINARY = 0x05; |
| 53 | |
| 54 | final static int CLOSE_NORMAL=1000; |
| 55 | final static int CLOSE_SHUTDOWN=1001; |
| 56 | final static int CLOSE_PROTOCOL=1002; |
| 57 | final static int CLOSE_BADDATA=1003; |
| 58 | final static int CLOSE_LARGE=1004; |
| 59 | |
| 60 | static boolean isLastFrame(int flags) |
| 61 | { |
| 62 | return (flags&0x8)!=0; |
| 63 | } |
| 64 | |
| 65 | static boolean isControlFrame(int opcode) |
| 66 | { |
| 67 | switch(opcode) |
| 68 | { |
| 69 | case OP_CLOSE: |
| 70 | case OP_PING: |
| 71 | case OP_PONG: |
| 72 | return true; |
| 73 | default: |
| 74 | return false; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | private final static byte[] MAGIC; |
| 79 | private final WebSocketParser _parser; |
| 80 | private final WebSocketGenerator _generator; |
| 81 | private final WebSocket _webSocket; |
| 82 | private final OnFrame _onFrame; |
| 83 | private final OnBinaryMessage _onBinaryMessage; |
| 84 | private final OnTextMessage _onTextMessage; |
| 85 | private final OnControl _onControl; |
| 86 | private final String _protocol; |
| 87 | private volatile boolean _closedIn; |
| 88 | private volatile boolean _closedOut; |
| 89 | private int _maxTextMessageSize; |
| 90 | private int _maxBinaryMessageSize=-1; |
| 91 | |
| 92 | static |
| 93 | { |
| 94 | try |
| 95 | { |
| 96 | MAGIC="258EAFA5-E914-47DA-95CA-C5AB0DC85B11".getBytes(StringUtil.__ISO_8859_1); |
| 97 | } |
| 98 | catch (UnsupportedEncodingException e) |
| 99 | { |
| 100 | throw new RuntimeException(e); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | private final WebSocketParser.FrameHandler _frameHandler= new FrameHandlerD06(); |
| 105 | private final WebSocket.FrameConnection _connection = new FrameConnectionD06(); |
| 106 | |
| 107 | |
| 108 | /* ------------------------------------------------------------ */ |
| 109 | public WebSocketConnectionD06(WebSocket websocket, EndPoint endpoint, WebSocketBuffers buffers, long timestamp, int maxIdleTime, String protocol) |
| 110 | throws IOException |
| 111 | { |
| 112 | super(endpoint,timestamp); |
| 113 | |
| 114 | _endp.setMaxIdleTime(maxIdleTime); |
| 115 | |
| 116 | _webSocket = websocket; |
| 117 | _onFrame=_webSocket instanceof OnFrame ? (OnFrame)_webSocket : null; |
| 118 | _onTextMessage=_webSocket instanceof OnTextMessage ? (OnTextMessage)_webSocket : null; |
| 119 | _onBinaryMessage=_webSocket instanceof OnBinaryMessage ? (OnBinaryMessage)_webSocket : null; |
| 120 | _onControl=_webSocket instanceof OnControl ? (OnControl)_webSocket : null; |
| 121 | _generator = new WebSocketGeneratorD06(buffers, _endp,null); |
| 122 | _parser = new WebSocketParserD06(buffers, endpoint, _frameHandler,true); |
| 123 | _protocol=protocol; |
| 124 | |
| 125 | _maxTextMessageSize=buffers.getBufferSize(); |
| 126 | _maxBinaryMessageSize=-1; |
| 127 | } |
| 128 | |
| 129 | /* ------------------------------------------------------------ */ |
| 130 | public WebSocket.Connection getConnection() |
| 131 | { |
| 132 | return _connection; |
| 133 | } |
| 134 | |
| 135 | /* ------------------------------------------------------------ */ |
| 136 | public Connection handle() throws IOException |
| 137 | { |
| 138 | try |
| 139 | { |
| 140 | // handle the framing protocol |
| 141 | boolean progress=true; |
| 142 | |
| 143 | while (progress) |
| 144 | { |
| 145 | int flushed=_generator.flush(); |
| 146 | int filled=_parser.parseNext(); |
| 147 | |
| 148 | progress = flushed>0 || filled>0; |
| 149 | |
| 150 | if (filled<0 || flushed<0) |
| 151 | { |
| 152 | _endp.close(); |
| 153 | break; |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | catch(IOException e) |
| 158 | { |
| 159 | try |
| 160 | { |
| 161 | _endp.close(); |
| 162 | } |
| 163 | catch(IOException e2) |
| 164 | { |
| 165 | LOG.ignore(e2); |
| 166 | } |
| 167 | throw e; |
| 168 | } |
| 169 | finally |
| 170 | { |
| 171 | if (_endp.isOpen()) |
| 172 | { |
| 173 | if (_closedIn && _closedOut && _generator.isBufferEmpty()) |
| 174 | _endp.close(); |
| 175 | else if (_endp.isInputShutdown() && !_closedIn) |
| 176 | closeIn(CLOSE_PROTOCOL,null); |
| 177 | else |
| 178 | checkWriteable(); |
| 179 | } |
| 180 | |
| 181 | } |
| 182 | return this; |
| 183 | } |
| 184 | |
| 185 | /* ------------------------------------------------------------ */ |
| 186 | public void onInputShutdown() throws IOException |
| 187 | { |
| 188 | // TODO |
| 189 | } |
| 190 | |
| 191 | /* ------------------------------------------------------------ */ |
| 192 | public boolean isIdle() |
| 193 | { |
| 194 | return _parser.isBufferEmpty() && _generator.isBufferEmpty(); |
| 195 | } |
| 196 | |
| 197 | /* ------------------------------------------------------------ */ |
| 198 | @Override |
| 199 | public void onIdleExpired(long idleForMs) |
| 200 | { |
| 201 | closeOut(WebSocketConnectionD06.CLOSE_NORMAL,"Idle"); |
| 202 | } |
| 203 | |
| 204 | /* ------------------------------------------------------------ */ |
| 205 | public boolean isSuspended() |
| 206 | { |
| 207 | return false; |
| 208 | } |
| 209 | |
| 210 | /* ------------------------------------------------------------ */ |
| 211 | public void onClose() |
| 212 | { |
| 213 | _webSocket.onClose(WebSocketConnectionD06.CLOSE_NORMAL,""); |
| 214 | } |
| 215 | |
| 216 | /* ------------------------------------------------------------ */ |
| 217 | public synchronized void closeIn(int code,String message) |
| 218 | { |
| 219 | LOG.debug("ClosedIn {} {}",this,message); |
| 220 | try |
| 221 | { |
| 222 | if (_closedOut) |
| 223 | _endp.close(); |
| 224 | else |
| 225 | closeOut(code,message); |
| 226 | } |
| 227 | catch(IOException e) |
| 228 | { |
| 229 | LOG.ignore(e); |
| 230 | } |
| 231 | finally |
| 232 | { |
| 233 | _closedIn=true; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | /* ------------------------------------------------------------ */ |
| 238 | public synchronized void closeOut(int code,String message) |
| 239 | { |
| 240 | LOG.debug("ClosedOut {} {}",this,message); |
| 241 | try |
| 242 | { |
| 243 | if (_closedIn || _closedOut) |
| 244 | _endp.close(); |
| 245 | else |
| 246 | { |
| 247 | if (code<=0) |
| 248 | code=WebSocketConnectionD06.CLOSE_NORMAL; |
| 249 | byte[] bytes = ("xx"+(message==null?"":message)).getBytes(StringUtil.__ISO_8859_1); |
| 250 | bytes[0]=(byte)(code/0x100); |
| 251 | bytes[1]=(byte)(code%0x100); |
| 252 | _generator.addFrame((byte)0x8,WebSocketConnectionD06.OP_CLOSE,bytes,0,bytes.length); |
| 253 | } |
| 254 | _generator.flush(); |
| 255 | |
| 256 | } |
| 257 | catch(IOException e) |
| 258 | { |
| 259 | LOG.ignore(e); |
| 260 | } |
| 261 | finally |
| 262 | { |
| 263 | _closedOut=true; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | public void shutdown() |
| 268 | { |
| 269 | final WebSocket.Connection connection = _connection; |
| 270 | if (connection != null) |
| 271 | connection.close(CLOSE_SHUTDOWN, null); |
| 272 | } |
| 273 | |
| 274 | /* ------------------------------------------------------------ */ |
| 275 | public void fillBuffersFrom(Buffer buffer) |
| 276 | { |
| 277 | _parser.fill(buffer); |
| 278 | } |
| 279 | |
| 280 | /* ------------------------------------------------------------ */ |
| 281 | private void checkWriteable() |
| 282 | { |
| 283 | if (!_generator.isBufferEmpty() && _endp instanceof AsyncEndPoint) |
| 284 | { |
| 285 | ((AsyncEndPoint)_endp).scheduleWrite(); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | /* ------------------------------------------------------------ */ |
| 290 | public List<Extension> getExtensions() |
| 291 | { |
| 292 | return Collections.emptyList(); |
| 293 | } |
| 294 | |
| 295 | protected void onFrameHandshake() |
| 296 | { |
| 297 | if (_onFrame!=null) |
| 298 | { |
| 299 | _onFrame.onHandshake(_connection); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | protected void onWebSocketOpen() |
| 304 | { |
| 305 | _webSocket.onOpen(_connection); |
| 306 | } |
| 307 | |
| 308 | /* ------------------------------------------------------------ */ |
| 309 | private class FrameConnectionD06 implements WebSocket.FrameConnection |
| 310 | { |
| 311 | volatile boolean _disconnecting; |
| 312 | int _maxTextMessage=WebSocketConnectionD06.this._maxTextMessageSize; |
| 313 | int _maxBinaryMessage=WebSocketConnectionD06.this._maxBinaryMessageSize; |
| 314 | |
| 315 | /* ------------------------------------------------------------ */ |
| 316 | public synchronized void sendMessage(String content) throws IOException |
| 317 | { |
| 318 | if (_closedOut) |
| 319 | throw new IOException("closing"); |
| 320 | byte[] data = content.getBytes(StringUtil.__UTF8); |
| 321 | _generator.addFrame((byte)0x8,WebSocketConnectionD06.OP_TEXT,data,0,data.length); |
| 322 | _generator.flush(); |
| 323 | checkWriteable(); |
| 324 | } |
| 325 | |
| 326 | /* ------------------------------------------------------------ */ |
| 327 | public synchronized void sendMessage(byte[] content, int offset, int length) throws IOException |
| 328 | { |
| 329 | if (_closedOut) |
| 330 | throw new IOException("closing"); |
| 331 | _generator.addFrame((byte)0x8,WebSocketConnectionD06.OP_BINARY,content,offset,length); |
| 332 | _generator.flush(); |
| 333 | checkWriteable(); |
| 334 | } |
| 335 | |
| 336 | /* ------------------------------------------------------------ */ |
| 337 | public void sendFrame(byte flags,byte opcode, byte[] content, int offset, int length) throws IOException |
| 338 | { |
| 339 | if (_closedOut) |
| 340 | throw new IOException("closing"); |
| 341 | _generator.addFrame(flags,opcode,content,offset,length); |
| 342 | _generator.flush(); |
| 343 | checkWriteable(); |
| 344 | } |
| 345 | |
| 346 | /* ------------------------------------------------------------ */ |
| 347 | public void sendControl(byte control, byte[] data, int offset, int length) throws IOException |
| 348 | { |
| 349 | if (_closedOut) |
| 350 | throw new IOException("closing"); |
| 351 | _generator.addFrame((byte)0x8,control,data,offset,length); |
| 352 | _generator.flush(); |
| 353 | checkWriteable(); |
| 354 | } |
| 355 | |
| 356 | /* ------------------------------------------------------------ */ |
| 357 | public boolean isMessageComplete(byte flags) |
| 358 | { |
| 359 | return isLastFrame(flags); |
| 360 | } |
| 361 | |
| 362 | /* ------------------------------------------------------------ */ |
| 363 | public boolean isOpen() |
| 364 | { |
| 365 | return _endp!=null&&_endp.isOpen(); |
| 366 | } |
| 367 | |
| 368 | /* ------------------------------------------------------------ */ |
| 369 | public void close(int code, String message) |
| 370 | { |
| 371 | if (_disconnecting) |
| 372 | return; |
| 373 | _disconnecting=true; |
| 374 | WebSocketConnectionD06.this.closeOut(code,message); |
| 375 | } |
| 376 | |
| 377 | /* ------------------------------------------------------------ */ |
| 378 | public void setMaxIdleTime(int ms) |
| 379 | { |
| 380 | try |
| 381 | { |
| 382 | _endp.setMaxIdleTime(ms); |
| 383 | } |
| 384 | catch(IOException e) |
| 385 | { |
| 386 | LOG.warn(e); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | /* ------------------------------------------------------------ */ |
| 391 | public void setMaxTextMessageSize(int size) |
| 392 | { |
| 393 | _maxTextMessage=size; |
| 394 | } |
| 395 | |
| 396 | /* ------------------------------------------------------------ */ |
| 397 | public void setMaxBinaryMessageSize(int size) |
| 398 | { |
| 399 | _maxBinaryMessage=size; |
| 400 | } |
| 401 | |
| 402 | /* ------------------------------------------------------------ */ |
| 403 | public int getMaxTextMessageSize() |
| 404 | { |
| 405 | return _maxTextMessage; |
| 406 | } |
| 407 | |
| 408 | /* ------------------------------------------------------------ */ |
| 409 | public int getMaxIdleTime() |
| 410 | { |
| 411 | return _endp.getMaxIdleTime(); |
| 412 | } |
| 413 | |
| 414 | /* ------------------------------------------------------------ */ |
| 415 | public int getMaxBinaryMessageSize() |
| 416 | { |
| 417 | return _maxBinaryMessage; |
| 418 | } |
| 419 | |
| 420 | /* ------------------------------------------------------------ */ |
| 421 | public String getProtocol() |
| 422 | { |
| 423 | return _protocol; |
| 424 | } |
| 425 | |
| 426 | /* ------------------------------------------------------------ */ |
| 427 | public byte binaryOpcode() |
| 428 | { |
| 429 | return OP_BINARY; |
| 430 | } |
| 431 | |
| 432 | /* ------------------------------------------------------------ */ |
| 433 | public byte textOpcode() |
| 434 | { |
| 435 | return OP_TEXT; |
| 436 | } |
| 437 | |
| 438 | /* ------------------------------------------------------------ */ |
| 439 | public byte continuationOpcode() |
| 440 | { |
| 441 | return OP_CONTINUATION; |
| 442 | } |
| 443 | |
| 444 | /* ------------------------------------------------------------ */ |
| 445 | public byte finMask() |
| 446 | { |
| 447 | return 0x8; |
| 448 | } |
| 449 | |
| 450 | /* ------------------------------------------------------------ */ |
| 451 | public boolean isControl(byte opcode) |
| 452 | { |
| 453 | return isControlFrame(opcode); |
| 454 | } |
| 455 | |
| 456 | /* ------------------------------------------------------------ */ |
| 457 | public boolean isText(byte opcode) |
| 458 | { |
| 459 | return opcode==OP_TEXT; |
| 460 | } |
| 461 | |
| 462 | /* ------------------------------------------------------------ */ |
| 463 | public boolean isBinary(byte opcode) |
| 464 | { |
| 465 | return opcode==OP_BINARY; |
| 466 | } |
| 467 | |
| 468 | /* ------------------------------------------------------------ */ |
| 469 | public boolean isContinuation(byte opcode) |
| 470 | { |
| 471 | return opcode==OP_CONTINUATION; |
| 472 | } |
| 473 | |
| 474 | /* ------------------------------------------------------------ */ |
| 475 | public boolean isClose(byte opcode) |
| 476 | { |
| 477 | return opcode==OP_CLOSE; |
| 478 | } |
| 479 | |
| 480 | /* ------------------------------------------------------------ */ |
| 481 | public boolean isPing(byte opcode) |
| 482 | { |
| 483 | return opcode==OP_PING; |
| 484 | } |
| 485 | |
| 486 | /* ------------------------------------------------------------ */ |
| 487 | public boolean isPong(byte opcode) |
| 488 | { |
| 489 | return opcode==OP_PONG; |
| 490 | } |
| 491 | |
| 492 | /* ------------------------------------------------------------ */ |
| 493 | public void disconnect() |
| 494 | { |
| 495 | close(); |
| 496 | } |
| 497 | |
| 498 | /* ------------------------------------------------------------ */ |
| 499 | public void close() |
| 500 | { |
| 501 | close(CLOSE_NORMAL,null); |
| 502 | } |
| 503 | |
| 504 | /* ------------------------------------------------------------ */ |
| 505 | @Override |
| 506 | public String toString() |
| 507 | { |
| 508 | return this.getClass().getSimpleName()+"@"+_endp.getLocalAddr()+":"+_endp.getLocalPort()+"<->"+_endp.getRemoteAddr()+":"+_endp.getRemotePort(); |
| 509 | } |
| 510 | |
| 511 | public void setAllowFrameFragmentation(boolean allowFragmentation) |
| 512 | { |
| 513 | } |
| 514 | |
| 515 | public boolean isAllowFrameFragmentation() |
| 516 | { |
| 517 | return false; |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | /* ------------------------------------------------------------ */ |
| 522 | /* ------------------------------------------------------------ */ |
| 523 | /* ------------------------------------------------------------ */ |
| 524 | private class FrameHandlerD06 implements WebSocketParser.FrameHandler |
| 525 | { |
| 526 | private final Utf8StringBuilder _utf8 = new Utf8StringBuilder(); |
| 527 | private ByteArrayBuffer _aggregate; |
| 528 | private byte _opcode=-1; |
| 529 | |
| 530 | public void onFrame(byte flags, byte opcode, Buffer buffer) |
| 531 | { |
| 532 | boolean lastFrame = isLastFrame(flags); |
| 533 | |
| 534 | synchronized(WebSocketConnectionD06.this) |
| 535 | { |
| 536 | // Ignore incoming after a close |
| 537 | if (_closedIn) |
| 538 | return; |
| 539 | |
| 540 | try |
| 541 | { |
| 542 | byte[] array=buffer.array(); |
| 543 | |
| 544 | // Deliver frame if websocket is a FrameWebSocket |
| 545 | if (_onFrame!=null) |
| 546 | { |
| 547 | if (_onFrame.onFrame(flags,opcode,array,buffer.getIndex(),buffer.length())) |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | if (_onControl!=null && isControlFrame(opcode)) |
| 552 | { |
| 553 | if (_onControl.onControl(opcode,array,buffer.getIndex(),buffer.length())) |
| 554 | return; |
| 555 | } |
| 556 | |
| 557 | switch(opcode) |
| 558 | { |
| 559 | case WebSocketConnectionD06.OP_CONTINUATION: |
| 560 | { |
| 561 | // If text, append to the message buffer |
| 562 | if (_opcode==WebSocketConnectionD06.OP_TEXT && _connection.getMaxTextMessageSize()>=0) |
| 563 | { |
| 564 | if (_utf8.append(buffer.array(),buffer.getIndex(),buffer.length(),_connection.getMaxTextMessageSize())) |
| 565 | { |
| 566 | // If this is the last fragment, deliver the text buffer |
| 567 | if (lastFrame && _onTextMessage!=null) |
| 568 | { |
| 569 | _opcode=-1; |
| 570 | String msg =_utf8.toString(); |
| 571 | _utf8.reset(); |
| 572 | _onTextMessage.onMessage(msg); |
| 573 | } |
| 574 | } |
| 575 | else |
| 576 | { |
| 577 | _connection.close(WebSocketConnectionD06.CLOSE_LARGE,"Text message size > "+_connection.getMaxTextMessageSize()+" chars"); |
| 578 | _utf8.reset(); |
| 579 | _opcode=-1; |
| 580 | } |
| 581 | } |
| 582 | else if (_opcode>=0 && _connection.getMaxBinaryMessageSize()>=0) |
| 583 | { |
| 584 | if (_aggregate.space()<_aggregate.length()) |
| 585 | { |
| 586 | _connection.close(WebSocketConnectionD06.CLOSE_LARGE,"Message size > "+_connection.getMaxBinaryMessageSize()); |
| 587 | _aggregate.clear(); |
| 588 | _opcode=-1; |
| 589 | } |
| 590 | else |
| 591 | { |
| 592 | _aggregate.put(buffer); |
| 593 | |
| 594 | // If this is the last fragment, deliver |
| 595 | if (lastFrame && _onBinaryMessage!=null) |
| 596 | { |
| 597 | try |
| 598 | { |
| 599 | _onBinaryMessage.onMessage(_aggregate.array(),_aggregate.getIndex(),_aggregate.length()); |
| 600 | } |
| 601 | finally |
| 602 | { |
| 603 | _opcode=-1; |
| 604 | _aggregate.clear(); |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | } |
| 609 | break; |
| 610 | } |
| 611 | case WebSocketConnectionD06.OP_PING: |
| 612 | { |
| 613 | LOG.debug("PING {}",this); |
| 614 | if (!_closedOut) |
| 615 | _connection.sendControl(WebSocketConnectionD06.OP_PONG,buffer.array(),buffer.getIndex(),buffer.length()); |
| 616 | break; |
| 617 | } |
| 618 | |
| 619 | case WebSocketConnectionD06.OP_PONG: |
| 620 | { |
| 621 | LOG.debug("PONG {}",this); |
| 622 | break; |
| 623 | } |
| 624 | |
| 625 | case WebSocketConnectionD06.OP_CLOSE: |
| 626 | { |
| 627 | int code=-1; |
| 628 | String message=null; |
| 629 | if (buffer.length()>=2) |
| 630 | { |
| 631 | code=buffer.array()[buffer.getIndex()]*0xff+buffer.array()[buffer.getIndex()+1]; |
| 632 | if (buffer.length()>2) |
| 633 | message=new String(buffer.array(),buffer.getIndex()+2,buffer.length()-2,StringUtil.__UTF8); |
| 634 | } |
| 635 | closeIn(code,message); |
| 636 | break; |
| 637 | } |
| 638 | |
| 639 | |
| 640 | case WebSocketConnectionD06.OP_TEXT: |
| 641 | { |
| 642 | if(_onTextMessage!=null) |
| 643 | { |
| 644 | if (lastFrame) |
| 645 | { |
| 646 | // Deliver the message |
| 647 | _onTextMessage.onMessage(buffer.toString(StringUtil.__UTF8)); |
| 648 | } |
| 649 | else |
| 650 | { |
| 651 | if (_connection.getMaxTextMessageSize()>=0) |
| 652 | { |
| 653 | // If this is a text fragment, append to buffer |
| 654 | if (_utf8.append(buffer.array(),buffer.getIndex(),buffer.length(),_connection.getMaxTextMessageSize())) |
| 655 | _opcode=WebSocketConnectionD06.OP_TEXT; |
| 656 | else |
| 657 | { |
| 658 | _utf8.reset(); |
| 659 | _opcode=-1; |
| 660 | _connection.close(WebSocketConnectionD06.CLOSE_LARGE,"Text message size > "+_connection.getMaxTextMessageSize()+" chars"); |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | } |
| 665 | break; |
| 666 | } |
| 667 | |
| 668 | default: |
| 669 | { |
| 670 | if (_onBinaryMessage!=null) |
| 671 | { |
| 672 | if (lastFrame) |
| 673 | { |
| 674 | _onBinaryMessage.onMessage(array,buffer.getIndex(),buffer.length()); |
| 675 | } |
| 676 | else |
| 677 | { |
| 678 | if (_connection.getMaxBinaryMessageSize()>=0) |
| 679 | { |
| 680 | if (buffer.length()>_connection.getMaxBinaryMessageSize()) |
| 681 | { |
| 682 | _connection.close(WebSocketConnectionD06.CLOSE_LARGE,"Message size > "+_connection.getMaxBinaryMessageSize()); |
| 683 | if (_aggregate!=null) |
| 684 | _aggregate.clear(); |
| 685 | _opcode=-1; |
| 686 | } |
| 687 | else |
| 688 | { |
| 689 | _opcode=opcode; |
| 690 | if (_aggregate==null) |
| 691 | _aggregate=new ByteArrayBuffer(_connection.getMaxBinaryMessageSize()); |
| 692 | _aggregate.put(buffer); |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | } |
| 698 | } |
| 699 | } |
| 700 | catch(Throwable th) |
| 701 | { |
| 702 | LOG.warn(th); |
| 703 | } |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | public void close(int code,String message) |
| 708 | { |
| 709 | _connection.close(code,message); |
| 710 | } |
| 711 | |
| 712 | @Override |
| 713 | public String toString() |
| 714 | { |
| 715 | return WebSocketConnectionD06.this.toString()+"FH"; |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | /* ------------------------------------------------------------ */ |
| 720 | public static String hashKey(String key) |
| 721 | { |
| 722 | try |
| 723 | { |
| 724 | MessageDigest md = MessageDigest.getInstance("SHA1"); |
| 725 | md.update(key.getBytes("UTF-8")); |
| 726 | md.update(MAGIC); |
| 727 | return new String(B64Code.encode(md.digest())); |
| 728 | } |
| 729 | catch (Exception e) |
| 730 | { |
| 731 | throw new RuntimeException(e); |
| 732 | } |
| 733 | } |
| 734 | } |