Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /** |
| 2 | * $RCSfile$ |
| 3 | * $Revision$ |
| 4 | * $Date$ |
| 5 | * |
| 6 | * Copyright 2009 Jive Software. |
| 7 | * |
| 8 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | |
| 21 | package org.jivesoftware.smack; |
| 22 | |
| 23 | import java.io.IOException; |
| 24 | import java.io.PipedReader; |
| 25 | import java.io.PipedWriter; |
| 26 | import java.io.Writer; |
| 27 | import java.util.concurrent.ExecutorService; |
| 28 | import java.util.concurrent.Executors; |
| 29 | import java.util.concurrent.ThreadFactory; |
| 30 | |
| 31 | import org.jivesoftware.smack.Connection; |
| 32 | import org.jivesoftware.smack.ConnectionCreationListener; |
| 33 | import org.jivesoftware.smack.ConnectionListener; |
| 34 | import org.jivesoftware.smack.PacketCollector; |
| 35 | import org.jivesoftware.smack.Roster; |
| 36 | import org.jivesoftware.smack.XMPPException; |
| 37 | import org.jivesoftware.smack.packet.Packet; |
| 38 | import org.jivesoftware.smack.packet.Presence; |
| 39 | import org.jivesoftware.smack.packet.XMPPError; |
| 40 | import org.jivesoftware.smack.util.StringUtils; |
| 41 | |
| 42 | import com.kenai.jbosh.BOSHClient; |
| 43 | import com.kenai.jbosh.BOSHClientConfig; |
| 44 | import com.kenai.jbosh.BOSHClientConnEvent; |
| 45 | import com.kenai.jbosh.BOSHClientConnListener; |
| 46 | import com.kenai.jbosh.BOSHClientRequestListener; |
| 47 | import com.kenai.jbosh.BOSHClientResponseListener; |
| 48 | import com.kenai.jbosh.BOSHException; |
| 49 | import com.kenai.jbosh.BOSHMessageEvent; |
| 50 | import com.kenai.jbosh.BodyQName; |
| 51 | import com.kenai.jbosh.ComposableBody; |
| 52 | |
| 53 | /** |
| 54 | * Creates a connection to a XMPP server via HTTP binding. |
| 55 | * This is specified in the XEP-0206: XMPP Over BOSH. |
| 56 | * |
| 57 | * @see Connection |
| 58 | * @author Guenther Niess |
| 59 | */ |
| 60 | public class BOSHConnection extends Connection { |
| 61 | |
| 62 | /** |
| 63 | * The XMPP Over Bosh namespace. |
| 64 | */ |
| 65 | public static final String XMPP_BOSH_NS = "urn:xmpp:xbosh"; |
| 66 | |
| 67 | /** |
| 68 | * The BOSH namespace from XEP-0124. |
| 69 | */ |
| 70 | public static final String BOSH_URI = "http://jabber.org/protocol/httpbind"; |
| 71 | |
| 72 | /** |
| 73 | * The used BOSH client from the jbosh library. |
| 74 | */ |
| 75 | private BOSHClient client; |
| 76 | |
| 77 | /** |
| 78 | * Holds the initial configuration used while creating the connection. |
| 79 | */ |
| 80 | private final BOSHConfiguration config; |
| 81 | |
| 82 | // Some flags which provides some info about the current state. |
| 83 | private boolean connected = false; |
| 84 | private boolean authenticated = false; |
| 85 | private boolean anonymous = false; |
| 86 | private boolean isFirstInitialization = true; |
| 87 | private boolean wasAuthenticated = false; |
| 88 | private boolean done = false; |
| 89 | |
| 90 | /** |
| 91 | * The Thread environment for sending packet listeners. |
| 92 | */ |
| 93 | private ExecutorService listenerExecutor; |
| 94 | |
| 95 | // The readerPipe and consumer thread are used for the debugger. |
| 96 | private PipedWriter readerPipe; |
| 97 | private Thread readerConsumer; |
| 98 | |
| 99 | /** |
| 100 | * The BOSH equivalent of the stream ID which is used for DIGEST authentication. |
| 101 | */ |
| 102 | protected String authID = null; |
| 103 | |
| 104 | /** |
| 105 | * The session ID for the BOSH session with the connection manager. |
| 106 | */ |
| 107 | protected String sessionID = null; |
| 108 | |
| 109 | /** |
| 110 | * The full JID of the authenticated user. |
| 111 | */ |
| 112 | private String user = null; |
| 113 | |
| 114 | /** |
| 115 | * The roster maybe also called buddy list holds the list of the users contacts. |
| 116 | */ |
| 117 | private Roster roster = null; |
| 118 | |
| 119 | |
| 120 | /** |
| 121 | * Create a HTTP Binding connection to a XMPP server. |
| 122 | * |
| 123 | * @param https true if you want to use SSL |
| 124 | * (e.g. false for http://domain.lt:7070/http-bind). |
| 125 | * @param host the hostname or IP address of the connection manager |
| 126 | * (e.g. domain.lt for http://domain.lt:7070/http-bind). |
| 127 | * @param port the port of the connection manager |
| 128 | * (e.g. 7070 for http://domain.lt:7070/http-bind). |
| 129 | * @param filePath the file which is described by the URL |
| 130 | * (e.g. /http-bind for http://domain.lt:7070/http-bind). |
| 131 | * @param xmppDomain the XMPP service name |
| 132 | * (e.g. domain.lt for the user alice@domain.lt) |
| 133 | */ |
| 134 | public BOSHConnection(boolean https, String host, int port, String filePath, String xmppDomain) { |
| 135 | super(new BOSHConfiguration(https, host, port, filePath, xmppDomain)); |
| 136 | this.config = (BOSHConfiguration) getConfiguration(); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Create a HTTP Binding connection to a XMPP server. |
| 141 | * |
| 142 | * @param config The configuration which is used for this connection. |
| 143 | */ |
| 144 | public BOSHConnection(BOSHConfiguration config) { |
| 145 | super(config); |
| 146 | this.config = config; |
| 147 | } |
| 148 | |
| 149 | public void connect() throws XMPPException { |
| 150 | if (connected) { |
| 151 | throw new IllegalStateException("Already connected to a server."); |
| 152 | } |
| 153 | done = false; |
| 154 | try { |
| 155 | // Ensure a clean starting state |
| 156 | if (client != null) { |
| 157 | client.close(); |
| 158 | client = null; |
| 159 | } |
| 160 | saslAuthentication.init(); |
| 161 | sessionID = null; |
| 162 | authID = null; |
| 163 | |
| 164 | // Initialize BOSH client |
| 165 | BOSHClientConfig.Builder cfgBuilder = BOSHClientConfig.Builder |
| 166 | .create(config.getURI(), config.getServiceName()); |
| 167 | if (config.isProxyEnabled()) { |
| 168 | cfgBuilder.setProxy(config.getProxyAddress(), config.getProxyPort()); |
| 169 | } |
| 170 | client = BOSHClient.create(cfgBuilder.build()); |
| 171 | |
| 172 | // Create an executor to deliver incoming packets to listeners. |
| 173 | // We'll use a single thread with an unbounded queue. |
| 174 | listenerExecutor = Executors |
| 175 | .newSingleThreadExecutor(new ThreadFactory() { |
| 176 | public Thread newThread(Runnable runnable) { |
| 177 | Thread thread = new Thread(runnable, |
| 178 | "Smack Listener Processor (" |
| 179 | + connectionCounterValue + ")"); |
| 180 | thread.setDaemon(true); |
| 181 | return thread; |
| 182 | } |
| 183 | }); |
| 184 | client.addBOSHClientConnListener(new BOSHConnectionListener(this)); |
| 185 | client.addBOSHClientResponseListener(new BOSHPacketReader(this)); |
| 186 | |
| 187 | // Initialize the debugger |
| 188 | if (config.isDebuggerEnabled()) { |
| 189 | initDebugger(); |
| 190 | if (isFirstInitialization) { |
| 191 | if (debugger.getReaderListener() != null) { |
| 192 | addPacketListener(debugger.getReaderListener(), null); |
| 193 | } |
| 194 | if (debugger.getWriterListener() != null) { |
| 195 | addPacketSendingListener(debugger.getWriterListener(), null); |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | // Send the session creation request |
| 201 | client.send(ComposableBody.builder() |
| 202 | .setNamespaceDefinition("xmpp", XMPP_BOSH_NS) |
| 203 | .setAttribute(BodyQName.createWithPrefix(XMPP_BOSH_NS, "version", "xmpp"), "1.0") |
| 204 | .build()); |
| 205 | } catch (Exception e) { |
| 206 | throw new XMPPException("Can't connect to " + getServiceName(), e); |
| 207 | } |
| 208 | |
| 209 | // Wait for the response from the server |
| 210 | synchronized (this) { |
| 211 | long endTime = System.currentTimeMillis() + |
| 212 | SmackConfiguration.getPacketReplyTimeout() * 6; |
| 213 | while ((!connected) && (System.currentTimeMillis() < endTime)) { |
| 214 | try { |
| 215 | wait(Math.abs(endTime - System.currentTimeMillis())); |
| 216 | } |
| 217 | catch (InterruptedException e) {} |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | // If there is no feedback, throw an remote server timeout error |
| 222 | if (!connected && !done) { |
| 223 | done = true; |
| 224 | String errorMessage = "Timeout reached for the connection to " |
| 225 | + getHost() + ":" + getPort() + "."; |
| 226 | throw new XMPPException( |
| 227 | errorMessage, |
| 228 | new XMPPError(XMPPError.Condition.remote_server_timeout, errorMessage)); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | public String getConnectionID() { |
| 233 | if (!connected) { |
| 234 | return null; |
| 235 | } else if (authID != null) { |
| 236 | return authID; |
| 237 | } else { |
| 238 | return sessionID; |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | public Roster getRoster() { |
| 243 | if (roster == null) { |
| 244 | return null; |
| 245 | } |
| 246 | if (!config.isRosterLoadedAtLogin()) { |
| 247 | roster.reload(); |
| 248 | } |
| 249 | // If this is the first time the user has asked for the roster after calling |
| 250 | // login, we want to wait for the server to send back the user's roster. |
| 251 | // This behavior shields API users from having to worry about the fact that |
| 252 | // roster operations are asynchronous, although they'll still have to listen |
| 253 | // for changes to the roster. Note: because of this waiting logic, internal |
| 254 | // Smack code should be wary about calling the getRoster method, and may |
| 255 | // need to access the roster object directly. |
| 256 | if (!roster.rosterInitialized) { |
| 257 | try { |
| 258 | synchronized (roster) { |
| 259 | long waitTime = SmackConfiguration.getPacketReplyTimeout(); |
| 260 | long start = System.currentTimeMillis(); |
| 261 | while (!roster.rosterInitialized) { |
| 262 | if (waitTime <= 0) { |
| 263 | break; |
| 264 | } |
| 265 | roster.wait(waitTime); |
| 266 | long now = System.currentTimeMillis(); |
| 267 | waitTime -= now - start; |
| 268 | start = now; |
| 269 | } |
| 270 | } |
| 271 | } catch (InterruptedException ie) { |
| 272 | // Ignore. |
| 273 | } |
| 274 | } |
| 275 | return roster; |
| 276 | } |
| 277 | |
| 278 | public String getUser() { |
| 279 | return user; |
| 280 | } |
| 281 | |
| 282 | public boolean isAnonymous() { |
| 283 | return anonymous; |
| 284 | } |
| 285 | |
| 286 | public boolean isAuthenticated() { |
| 287 | return authenticated; |
| 288 | } |
| 289 | |
| 290 | public boolean isConnected() { |
| 291 | return connected; |
| 292 | } |
| 293 | |
| 294 | public boolean isSecureConnection() { |
| 295 | // TODO: Implement SSL usage |
| 296 | return false; |
| 297 | } |
| 298 | |
| 299 | public boolean isUsingCompression() { |
| 300 | // TODO: Implement compression |
| 301 | return false; |
| 302 | } |
| 303 | |
| 304 | public void login(String username, String password, String resource) |
| 305 | throws XMPPException { |
| 306 | if (!isConnected()) { |
| 307 | throw new IllegalStateException("Not connected to server."); |
| 308 | } |
| 309 | if (authenticated) { |
| 310 | throw new IllegalStateException("Already logged in to server."); |
| 311 | } |
| 312 | // Do partial version of nameprep on the username. |
| 313 | username = username.toLowerCase().trim(); |
| 314 | |
| 315 | String response; |
| 316 | if (config.isSASLAuthenticationEnabled() |
| 317 | && saslAuthentication.hasNonAnonymousAuthentication()) { |
| 318 | // Authenticate using SASL |
| 319 | if (password != null) { |
| 320 | response = saslAuthentication.authenticate(username, password, resource); |
| 321 | } else { |
| 322 | response = saslAuthentication.authenticate(username, resource, config.getCallbackHandler()); |
| 323 | } |
| 324 | } else { |
| 325 | // Authenticate using Non-SASL |
| 326 | response = new NonSASLAuthentication(this).authenticate(username, password, resource); |
| 327 | } |
| 328 | |
| 329 | // Set the user. |
| 330 | if (response != null) { |
| 331 | this.user = response; |
| 332 | // Update the serviceName with the one returned by the server |
| 333 | config.setServiceName(StringUtils.parseServer(response)); |
| 334 | } else { |
| 335 | this.user = username + "@" + getServiceName(); |
| 336 | if (resource != null) { |
| 337 | this.user += "/" + resource; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | // Create the roster if it is not a reconnection. |
| 342 | if (this.roster == null) { |
| 343 | if (this.rosterStorage == null) { |
| 344 | this.roster = new Roster(this); |
| 345 | } else { |
| 346 | this.roster = new Roster(this, rosterStorage); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | // Set presence to online. |
| 351 | if (config.isSendPresence()) { |
| 352 | sendPacket(new Presence(Presence.Type.available)); |
| 353 | } |
| 354 | |
| 355 | // Indicate that we're now authenticated. |
| 356 | authenticated = true; |
| 357 | anonymous = false; |
| 358 | |
| 359 | if (config.isRosterLoadedAtLogin()) { |
| 360 | this.roster.reload(); |
| 361 | } |
| 362 | // Stores the autentication for future reconnection |
| 363 | config.setLoginInfo(username, password, resource); |
| 364 | |
| 365 | // If debugging is enabled, change the the debug window title to include |
| 366 | // the |
| 367 | // name we are now logged-in as.l |
| 368 | if (config.isDebuggerEnabled() && debugger != null) { |
| 369 | debugger.userHasLogged(user); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | public void loginAnonymously() throws XMPPException { |
| 374 | if (!isConnected()) { |
| 375 | throw new IllegalStateException("Not connected to server."); |
| 376 | } |
| 377 | if (authenticated) { |
| 378 | throw new IllegalStateException("Already logged in to server."); |
| 379 | } |
| 380 | |
| 381 | String response; |
| 382 | if (config.isSASLAuthenticationEnabled() && |
| 383 | saslAuthentication.hasAnonymousAuthentication()) { |
| 384 | response = saslAuthentication.authenticateAnonymously(); |
| 385 | } |
| 386 | else { |
| 387 | // Authenticate using Non-SASL |
| 388 | response = new NonSASLAuthentication(this).authenticateAnonymously(); |
| 389 | } |
| 390 | |
| 391 | // Set the user value. |
| 392 | this.user = response; |
| 393 | // Update the serviceName with the one returned by the server |
| 394 | config.setServiceName(StringUtils.parseServer(response)); |
| 395 | |
| 396 | // Anonymous users can't have a roster. |
| 397 | roster = null; |
| 398 | |
| 399 | // Set presence to online. |
| 400 | if (config.isSendPresence()) { |
| 401 | sendPacket(new Presence(Presence.Type.available)); |
| 402 | } |
| 403 | |
| 404 | // Indicate that we're now authenticated. |
| 405 | authenticated = true; |
| 406 | anonymous = true; |
| 407 | |
| 408 | // If debugging is enabled, change the the debug window title to include the |
| 409 | // name we are now logged-in as. |
| 410 | // If DEBUG_ENABLED was set to true AFTER the connection was created the debugger |
| 411 | // will be null |
| 412 | if (config.isDebuggerEnabled() && debugger != null) { |
| 413 | debugger.userHasLogged(user); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | public void sendPacket(Packet packet) { |
| 418 | if (!isConnected()) { |
| 419 | throw new IllegalStateException("Not connected to server."); |
| 420 | } |
| 421 | if (packet == null) { |
| 422 | throw new NullPointerException("Packet is null."); |
| 423 | } |
| 424 | if (!done) { |
| 425 | // Invoke interceptors for the new packet that is about to be sent. |
| 426 | // Interceptors |
| 427 | // may modify the content of the packet. |
| 428 | firePacketInterceptors(packet); |
| 429 | |
| 430 | try { |
| 431 | send(ComposableBody.builder().setPayloadXML(packet.toXML()) |
| 432 | .build()); |
| 433 | } catch (BOSHException e) { |
| 434 | e.printStackTrace(); |
| 435 | return; |
| 436 | } |
| 437 | |
| 438 | // Process packet writer listeners. Note that we're using the |
| 439 | // sending |
| 440 | // thread so it's expected that listeners are fast. |
| 441 | firePacketSendingListeners(packet); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | public void disconnect(Presence unavailablePresence) { |
| 446 | if (!connected) { |
| 447 | return; |
| 448 | } |
| 449 | shutdown(unavailablePresence); |
| 450 | |
| 451 | // Cleanup |
| 452 | if (roster != null) { |
| 453 | roster.cleanup(); |
| 454 | roster = null; |
| 455 | } |
| 456 | sendListeners.clear(); |
| 457 | recvListeners.clear(); |
| 458 | collectors.clear(); |
| 459 | interceptors.clear(); |
| 460 | |
| 461 | // Reset the connection flags |
| 462 | wasAuthenticated = false; |
| 463 | isFirstInitialization = true; |
| 464 | |
| 465 | // Notify connection listeners of the connection closing if done hasn't already been set. |
| 466 | for (ConnectionListener listener : getConnectionListeners()) { |
| 467 | try { |
| 468 | listener.connectionClosed(); |
| 469 | } |
| 470 | catch (Exception e) { |
| 471 | // Catch and print any exception so we can recover |
| 472 | // from a faulty listener and finish the shutdown process |
| 473 | e.printStackTrace(); |
| 474 | } |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Closes the connection by setting presence to unavailable and closing the |
| 480 | * HTTP client. The shutdown logic will be used during a planned disconnection or when |
| 481 | * dealing with an unexpected disconnection. Unlike {@link #disconnect()} the connection's |
| 482 | * BOSH packet reader and {@link Roster} will not be removed; thus |
| 483 | * connection's state is kept. |
| 484 | * |
| 485 | * @param unavailablePresence the presence packet to send during shutdown. |
| 486 | */ |
| 487 | protected void shutdown(Presence unavailablePresence) { |
| 488 | setWasAuthenticated(authenticated); |
| 489 | authID = null; |
| 490 | sessionID = null; |
| 491 | done = true; |
| 492 | authenticated = false; |
| 493 | connected = false; |
| 494 | isFirstInitialization = false; |
| 495 | |
| 496 | try { |
| 497 | client.disconnect(ComposableBody.builder() |
| 498 | .setNamespaceDefinition("xmpp", XMPP_BOSH_NS) |
| 499 | .setPayloadXML(unavailablePresence.toXML()) |
| 500 | .build()); |
| 501 | // Wait 150 ms for processes to clean-up, then shutdown. |
| 502 | Thread.sleep(150); |
| 503 | } |
| 504 | catch (Exception e) { |
| 505 | // Ignore. |
| 506 | } |
| 507 | |
| 508 | // Close down the readers and writers. |
| 509 | if (readerPipe != null) { |
| 510 | try { |
| 511 | readerPipe.close(); |
| 512 | } |
| 513 | catch (Throwable ignore) { /* ignore */ } |
| 514 | reader = null; |
| 515 | } |
| 516 | if (reader != null) { |
| 517 | try { |
| 518 | reader.close(); |
| 519 | } |
| 520 | catch (Throwable ignore) { /* ignore */ } |
| 521 | reader = null; |
| 522 | } |
| 523 | if (writer != null) { |
| 524 | try { |
| 525 | writer.close(); |
| 526 | } |
| 527 | catch (Throwable ignore) { /* ignore */ } |
| 528 | writer = null; |
| 529 | } |
| 530 | |
| 531 | // Shut down the listener executor. |
| 532 | if (listenerExecutor != null) { |
| 533 | listenerExecutor.shutdown(); |
| 534 | } |
| 535 | readerConsumer = null; |
| 536 | } |
| 537 | |
| 538 | /** |
| 539 | * Sets whether the connection has already logged in the server. |
| 540 | * |
| 541 | * @param wasAuthenticated true if the connection has already been authenticated. |
| 542 | */ |
| 543 | private void setWasAuthenticated(boolean wasAuthenticated) { |
| 544 | if (!this.wasAuthenticated) { |
| 545 | this.wasAuthenticated = wasAuthenticated; |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Send a HTTP request to the connection manager with the provided body element. |
| 551 | * |
| 552 | * @param body the body which will be sent. |
| 553 | */ |
| 554 | protected void send(ComposableBody body) throws BOSHException { |
| 555 | if (!connected) { |
| 556 | throw new IllegalStateException("Not connected to a server!"); |
| 557 | } |
| 558 | if (body == null) { |
| 559 | throw new NullPointerException("Body mustn't be null!"); |
| 560 | } |
| 561 | if (sessionID != null) { |
| 562 | body = body.rebuild().setAttribute( |
| 563 | BodyQName.create(BOSH_URI, "sid"), sessionID).build(); |
| 564 | } |
| 565 | client.send(body); |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * Processes a packet after it's been fully parsed by looping through the |
| 570 | * installed packet collectors and listeners and letting them examine the |
| 571 | * packet to see if they are a match with the filter. |
| 572 | * |
| 573 | * @param packet the packet to process. |
| 574 | */ |
| 575 | protected void processPacket(Packet packet) { |
| 576 | if (packet == null) { |
| 577 | return; |
| 578 | } |
| 579 | |
| 580 | // Loop through all collectors and notify the appropriate ones. |
| 581 | for (PacketCollector collector : getPacketCollectors()) { |
| 582 | collector.processPacket(packet); |
| 583 | } |
| 584 | |
| 585 | // Deliver the incoming packet to listeners. |
| 586 | listenerExecutor.submit(new ListenerNotification(packet)); |
| 587 | } |
| 588 | |
| 589 | /** |
| 590 | * Initialize the SmackDebugger which allows to log and debug XML traffic. |
| 591 | */ |
| 592 | protected void initDebugger() { |
| 593 | // TODO: Maybe we want to extend the SmackDebugger for simplification |
| 594 | // and a performance boost. |
| 595 | |
| 596 | // Initialize a empty writer which discards all data. |
| 597 | writer = new Writer() { |
| 598 | public void write(char[] cbuf, int off, int len) { /* ignore */} |
| 599 | public void close() { /* ignore */ } |
| 600 | public void flush() { /* ignore */ } |
| 601 | }; |
| 602 | |
| 603 | // Initialize a pipe for received raw data. |
| 604 | try { |
| 605 | readerPipe = new PipedWriter(); |
| 606 | reader = new PipedReader(readerPipe); |
| 607 | } |
| 608 | catch (IOException e) { |
| 609 | // Ignore |
| 610 | } |
| 611 | |
| 612 | // Call the method from the parent class which initializes the debugger. |
| 613 | super.initDebugger(); |
| 614 | |
| 615 | // Add listeners for the received and sent raw data. |
| 616 | client.addBOSHClientResponseListener(new BOSHClientResponseListener() { |
| 617 | public void responseReceived(BOSHMessageEvent event) { |
| 618 | if (event.getBody() != null) { |
| 619 | try { |
| 620 | readerPipe.write(event.getBody().toXML()); |
| 621 | readerPipe.flush(); |
| 622 | } catch (Exception e) { |
| 623 | // Ignore |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | }); |
| 628 | client.addBOSHClientRequestListener(new BOSHClientRequestListener() { |
| 629 | public void requestSent(BOSHMessageEvent event) { |
| 630 | if (event.getBody() != null) { |
| 631 | try { |
| 632 | writer.write(event.getBody().toXML()); |
| 633 | } catch (Exception e) { |
| 634 | // Ignore |
| 635 | } |
| 636 | } |
| 637 | } |
| 638 | }); |
| 639 | |
| 640 | // Create and start a thread which discards all read data. |
| 641 | readerConsumer = new Thread() { |
| 642 | private Thread thread = this; |
| 643 | private int bufferLength = 1024; |
| 644 | |
| 645 | public void run() { |
| 646 | try { |
| 647 | char[] cbuf = new char[bufferLength]; |
| 648 | while (readerConsumer == thread && !done) { |
| 649 | reader.read(cbuf, 0, bufferLength); |
| 650 | } |
| 651 | } catch (IOException e) { |
| 652 | // Ignore |
| 653 | } |
| 654 | } |
| 655 | }; |
| 656 | readerConsumer.setDaemon(true); |
| 657 | readerConsumer.start(); |
| 658 | } |
| 659 | |
| 660 | /** |
| 661 | * Sends out a notification that there was an error with the connection |
| 662 | * and closes the connection. |
| 663 | * |
| 664 | * @param e the exception that causes the connection close event. |
| 665 | */ |
| 666 | protected void notifyConnectionError(Exception e) { |
| 667 | // Closes the connection temporary. A reconnection is possible |
| 668 | shutdown(new Presence(Presence.Type.unavailable)); |
| 669 | // Print the stack trace to help catch the problem |
| 670 | e.printStackTrace(); |
| 671 | // Notify connection listeners of the error. |
| 672 | for (ConnectionListener listener : getConnectionListeners()) { |
| 673 | try { |
| 674 | listener.connectionClosedOnError(e); |
| 675 | } |
| 676 | catch (Exception e2) { |
| 677 | // Catch and print any exception so we can recover |
| 678 | // from a faulty listener |
| 679 | e2.printStackTrace(); |
| 680 | } |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | |
| 685 | /** |
| 686 | * A listener class which listen for a successfully established connection |
| 687 | * and connection errors and notifies the BOSHConnection. |
| 688 | * |
| 689 | * @author Guenther Niess |
| 690 | */ |
| 691 | private class BOSHConnectionListener implements BOSHClientConnListener { |
| 692 | |
| 693 | private final BOSHConnection connection; |
| 694 | |
| 695 | public BOSHConnectionListener(BOSHConnection connection) { |
| 696 | this.connection = connection; |
| 697 | } |
| 698 | |
| 699 | /** |
| 700 | * Notify the BOSHConnection about connection state changes. |
| 701 | * Process the connection listeners and try to login if the |
| 702 | * connection was formerly authenticated and is now reconnected. |
| 703 | */ |
| 704 | public void connectionEvent(BOSHClientConnEvent connEvent) { |
| 705 | try { |
| 706 | if (connEvent.isConnected()) { |
| 707 | connected = true; |
| 708 | if (isFirstInitialization) { |
| 709 | isFirstInitialization = false; |
| 710 | for (ConnectionCreationListener listener : getConnectionCreationListeners()) { |
| 711 | listener.connectionCreated(connection); |
| 712 | } |
| 713 | } |
| 714 | else { |
| 715 | try { |
| 716 | if (wasAuthenticated) { |
| 717 | connection.login( |
| 718 | config.getUsername(), |
| 719 | config.getPassword(), |
| 720 | config.getResource()); |
| 721 | } |
| 722 | for (ConnectionListener listener : getConnectionListeners()) { |
| 723 | listener.reconnectionSuccessful(); |
| 724 | } |
| 725 | } |
| 726 | catch (XMPPException e) { |
| 727 | for (ConnectionListener listener : getConnectionListeners()) { |
| 728 | listener.reconnectionFailed(e); |
| 729 | } |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | else { |
| 734 | if (connEvent.isError()) { |
| 735 | try { |
| 736 | connEvent.getCause(); |
| 737 | } |
| 738 | catch (Exception e) { |
| 739 | notifyConnectionError(e); |
| 740 | } |
| 741 | } |
| 742 | connected = false; |
| 743 | } |
| 744 | } |
| 745 | finally { |
| 746 | synchronized (connection) { |
| 747 | connection.notifyAll(); |
| 748 | } |
| 749 | } |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | /** |
| 754 | * This class notifies all listeners that a packet was received. |
| 755 | */ |
| 756 | private class ListenerNotification implements Runnable { |
| 757 | |
| 758 | private Packet packet; |
| 759 | |
| 760 | public ListenerNotification(Packet packet) { |
| 761 | this.packet = packet; |
| 762 | } |
| 763 | |
| 764 | public void run() { |
| 765 | for (ListenerWrapper listenerWrapper : recvListeners.values()) { |
| 766 | listenerWrapper.notifyListener(packet); |
| 767 | } |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | @Override |
| 772 | public void setRosterStorage(RosterStorage storage) |
| 773 | throws IllegalStateException { |
| 774 | if(this.roster!=null){ |
| 775 | throw new IllegalStateException("Roster is already initialized"); |
| 776 | } |
| 777 | this.rosterStorage = storage; |
| 778 | } |
| 779 | } |