| 1 | package cz.vutbr.feec.session.rtprtcp.internal; |
| 2 | |
| 3 | import java.net.DatagramSocket; |
| 4 | import java.net.InetAddress; |
| 5 | import java.util.Enumeration; |
| 6 | import java.util.Iterator; |
| 7 | import java.util.Vector; |
| 8 | |
| 9 | import net.java.dev.jssm.Socket; |
| 10 | |
| 11 | import org.apache.commons.lang.math.RandomUtils; |
| 12 | import org.apache.log4j.Logger; |
| 13 | |
| 14 | import cz.vutbr.feec.packets.PacketGenerateException; |
| 15 | import cz.vutbr.feec.packets.rsi.RSIPacket; |
| 16 | import cz.vutbr.feec.packets.rtcp.ByePacket; |
| 17 | import cz.vutbr.feec.packets.rtcp.GeneralRTCPHeader; |
| 18 | import cz.vutbr.feec.packets.rtcp.ReportPacket; |
| 19 | import cz.vutbr.feec.packets.rtcp.SenderReportPacket; |
| 20 | import cz.vutbr.feec.packets.rtcp.SDESChunk; |
| 21 | import cz.vutbr.feec.packets.rtcp.SDESItem; |
| 22 | import cz.vutbr.feec.packets.rtcp.SDESPacket; |
| 23 | import cz.vutbr.feec.packets.rtp.RTPPacket; |
| 24 | import cz.vutbr.feec.session.Constants; |
| 25 | import cz.vutbr.feec.session.ISession; |
| 26 | |
| 27 | /** |
| 28 | * This class maintains session related information and provides startup |
| 29 | * functions. |
| 30 | */ |
| 31 | |
| 32 | public class Session3550 extends Session implements MemberTableChangeListener, |
| 33 | PacketSentOrRetreiveListener, ISession { |
| 34 | |
| 35 | /** The logger. */ |
| 36 | private static Logger logger = Logger |
| 37 | .getLogger(Session3550.class.getName()); |
| 38 | |
| 39 | /** The is created as sender. */ |
| 40 | private SessionType sessionType = null; |
| 41 | |
| 42 | /** The is SSM. */ |
| 43 | private boolean isSSM; |
| 44 | |
| 45 | /** The member table change listener. */ |
| 46 | private Vector<MemberTableChangeListener> memberTableChangeListeners = new Vector<MemberTableChangeListener>(); |
| 47 | |
| 48 | /** The packet sent or retreive listener. */ |
| 49 | private Vector<PacketSentOrRetreiveListener> packetSentOrRetreiveListeners = |
| 50 | new Vector<PacketSentOrRetreiveListener>(); |
| 51 | |
| 52 | private String name = ""; |
| 53 | |
| 54 | /** |
| 55 | * Sets the packet sent or retreive listener. |
| 56 | * |
| 57 | * @param packetSentOrRetreiveListener |
| 58 | * the packet sent or retreive listener |
| 59 | */ |
| 60 | public void addPacketSentOrRetreiveListener( |
| 61 | PacketSentOrRetreiveListener packetSentOrRetreiveListener) { |
| 62 | this.packetSentOrRetreiveListeners.add(packetSentOrRetreiveListener); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Gets the mirror packet dest port. |
| 67 | * |
| 68 | * @return the mirror packet dest port |
| 69 | */ |
| 70 | public int getMirrorPacketDestPort() { |
| 71 | return m_RTCPHandler.getDestRTCPPort(); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Mirror packet to mcast group. |
| 76 | * |
| 77 | * @param packet |
| 78 | * the packet |
| 79 | */ |
| 80 | protected void mirrorPacketToMcastGroup(byte[] packet, int length) { |
| 81 | m_RTCPHandler.mirrorPacket(packet, length); |
| 82 | } |
| 83 | |
| 84 | /** Initialize the Random Number Generator. */ |
| 85 | private RTPThreadHandler m_RTPHandler; |
| 86 | |
| 87 | /** The m_ RTCP handler. */ |
| 88 | private RTCPThreadHandler m_RTCPHandler; |
| 89 | |
| 90 | /** The own source. */ |
| 91 | private Source ownSource; |
| 92 | |
| 93 | private boolean byeSent = false; |
| 94 | |
| 95 | private boolean running = false; |
| 96 | |
| 97 | /** |
| 98 | * Create receiver Session Create Source-specific multicast session. Sets |
| 99 | * action listener. |
| 100 | * |
| 101 | * @param multicastRTPSocket |
| 102 | * the multicast RTP socket |
| 103 | * @param unicastSendToPort |
| 104 | * the unicast send to port |
| 105 | * @param bandwidth |
| 106 | * the bandwidth |
| 107 | * @param isCreatedAsSender |
| 108 | * the is created as sender |
| 109 | * @param multicastRTCPSocket |
| 110 | * the multicast RTCP socket |
| 111 | * @param targetFeedbackAddr |
| 112 | * the target feedback addr |
| 113 | * @param listener |
| 114 | * the listener |
| 115 | * @param ssmSendToPort |
| 116 | * the ssm send to port |
| 117 | * @param unicastSocket |
| 118 | * the unicast socket |
| 119 | */ |
| 120 | public Session3550(Socket multicastRTPSocket, Socket multicastRTCPSocket, |
| 121 | DatagramSocket unicastSocket, SessionType sessionType, |
| 122 | double bandwidth, int ssmSendToPort, int unicastSendToPort, |
| 123 | MemberTableChangeListener listener, InetAddress targetFeedbackAddr) { |
| 124 | addMemberTableChangeListener(listener); |
| 125 | init(multicastRTPSocket, multicastRTCPSocket, unicastSocket, |
| 126 | sessionType, bandwidth, ssmSendToPort, unicastSendToPort, |
| 127 | targetFeedbackAddr); |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Create Sender Session Create Source-specific multicast session. Sets |
| 132 | * action listener. |
| 133 | * |
| 134 | * @param multicastRTPSocket |
| 135 | * the multicast RTP socket |
| 136 | * @param unicastSendToPort |
| 137 | * the unicast send to port |
| 138 | * @param bandwidth |
| 139 | * the bandwidth |
| 140 | * @param isCreatedAsSender |
| 141 | * the is created as sender |
| 142 | * @param targetFeedbackAddr |
| 143 | * the target feedback addr |
| 144 | * @param listener |
| 145 | * the listener |
| 146 | * @param ssmSendToPort |
| 147 | * the ssm send to port |
| 148 | * @param unicastSocket |
| 149 | * the unicast socket |
| 150 | */ |
| 151 | public Session3550(Socket multicastRTPSocket, DatagramSocket unicastSocket, |
| 152 | SessionType sessionType, double bandwidth, int ssmSendToPort, |
| 153 | int unicastSendToPort, MemberTableChangeListener listener, |
| 154 | InetAddress targetFeedbackAddr) { |
| 155 | addMemberTableChangeListener(listener); |
| 156 | Socket multicastRTCPSocket = null; |
| 157 | init(multicastRTPSocket, multicastRTCPSocket, unicastSocket, |
| 158 | sessionType, bandwidth, ssmSendToPort, unicastSendToPort, |
| 159 | targetFeedbackAddr); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Receiver session. Create Source-specific multicast session. |
| 164 | * |
| 165 | * @param multicastRTPSocket |
| 166 | * the multicast RTP socket |
| 167 | * @param unicastSendToPort |
| 168 | * the unicast send to port |
| 169 | * @param bandwidth |
| 170 | * the bandwidth |
| 171 | * @param isCreatedAsSender |
| 172 | * the is created as sender |
| 173 | * @param multicastRTCPSocket |
| 174 | * the multicast RTCP socket |
| 175 | * @param targetFeedbackAddr |
| 176 | * the target feedback addr |
| 177 | * @param ssmSendToPort |
| 178 | * the ssm send to port |
| 179 | * @param unicastSocket |
| 180 | * the unicast socket |
| 181 | */ |
| 182 | public Session3550(Socket multicastRTPSocket, Socket multicastRTCPSocket, |
| 183 | DatagramSocket unicastSocket, SessionType sessionType, |
| 184 | double bandwidth, int ssmSendToPort, int unicastSendToPort, |
| 185 | InetAddress targetFeedbackAddr, String name) { |
| 186 | this.name = name; |
| 187 | init(multicastRTPSocket, multicastRTCPSocket, unicastSocket, |
| 188 | sessionType, bandwidth, ssmSendToPort, unicastSendToPort, |
| 189 | targetFeedbackAddr); |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * Sender session. Create Source-specific multicast session. |
| 194 | * |
| 195 | * @param multicastRTPSocket |
| 196 | * the multicast RTP socket |
| 197 | * @param unicastSendToPort |
| 198 | * the unicast send to port |
| 199 | * @param bandwidth |
| 200 | * the bandwidth |
| 201 | * @param isCreatedAsSender |
| 202 | * the is created as sender |
| 203 | * @param targetFeedbackAddr |
| 204 | * the target feedback addr |
| 205 | * @param ssmSendToPort |
| 206 | * the ssm send to port |
| 207 | * @param unicastSocket |
| 208 | * the unicast socket |
| 209 | */ |
| 210 | public Session3550(Socket multicastRTPSocket, DatagramSocket unicastSocket, |
| 211 | SessionType sessionType, double bandwidth, int ssmSendToPort, |
| 212 | int unicastSendToPort, InetAddress targetFeedbackAddr, String name) { |
| 213 | Socket multicastRTCPSocket = null; |
| 214 | this.name = name; |
| 215 | init(multicastRTPSocket, multicastRTCPSocket, unicastSocket, |
| 216 | sessionType, bandwidth, ssmSendToPort, unicastSendToPort, |
| 217 | targetFeedbackAddr); |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * Init. |
| 222 | * |
| 223 | * @param multicastRTPSocket |
| 224 | * the multicast RTP socket |
| 225 | * @param unicastSendToPort |
| 226 | * the unicast send to port |
| 227 | * @param bandwidth |
| 228 | * the bandwidth |
| 229 | * @param isCreatedAsSender |
| 230 | * the is created as sender |
| 231 | * @param multicastRTCPSocket |
| 232 | * the multicast RTCP socket |
| 233 | * @param targetFeedbackAddr |
| 234 | * the target feedback addr |
| 235 | * @param ssmSendToPort |
| 236 | * the ssm send to port |
| 237 | * @param unicastSocket |
| 238 | * the unicast socket |
| 239 | */ |
| 240 | private void init(Socket multicastRTPSocket, Socket multicastRTCPSocket, |
| 241 | DatagramSocket unicastSocket, SessionType sessionType, |
| 242 | double bandwidth, int ssmSendToPort, int unicastSendToPort, |
| 243 | InetAddress targetFeedbackAddr) { |
| 244 | this.sessionType = sessionType; |
| 245 | |
| 246 | assert isReceiver() && targetFeedbackAddr != null : "Not initialized properly!!"; |
| 247 | this.isSSM = true; |
| 248 | |
| 249 | this.rtcp_bw = bandwidth; |
| 250 | |
| 251 | // Create SSRC |
| 252 | long ssrc = RandomUtils.nextInt(); |
| 253 | int seq = Math.abs(RandomUtils.nextInt()); |
| 254 | |
| 255 | ownSource = addMember(ssrc, seq); |
| 256 | ownSource.setSender(isSender()); |
| 257 | validate(ssrc); |
| 258 | |
| 259 | onInit(ownSource); |
| 260 | |
| 261 | if (isSender()) { |
| 262 | addSender(ssrc, 0); |
| 263 | } |
| 264 | |
| 265 | // Create a new RTP Handler thread (but do not start it yet) |
| 266 | m_RTPHandler = new RTPThreadHandler(this, multicastRTPSocket, |
| 267 | ssmSendToPort); |
| 268 | m_RTPHandler.setPriority(Thread.MAX_PRIORITY); |
| 269 | |
| 270 | // Create a new RTCP Handler thread (but do not start it yet) |
| 271 | // Set the sendto and recvfrom ports |
| 272 | if (isSender()) { |
| 273 | multicastRTCPSocket = multicastRTPSocket; |
| 274 | m_RTCPHandler = new RTCPThreadHandlerSender(this, unicastSocket, |
| 275 | multicastRTCPSocket, unicastSendToPort); |
| 276 | } else if(isReceiver()){ |
| 277 | m_RTCPHandler = new RTCPThreadHandlerReceiver(this, unicastSocket, |
| 278 | multicastRTCPSocket, unicastSendToPort, targetFeedbackAddr); |
| 279 | } else if(isFeedbackTarget()) { |
| 280 | // TODO: pridat podporu pro feedback target |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * Starts the RTP Receiver thread. |
| 286 | */ |
| 287 | public synchronized void startRTPReceiverThread() { |
| 288 | m_RTPHandler.start(); |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Checks if is bye requested. |
| 293 | * |
| 294 | * @return Returns the isByeRequested. |
| 295 | */ |
| 296 | public boolean isByeRequested() { |
| 297 | return getOwnSource().byeRequested; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Sets the bye requested. |
| 302 | * |
| 303 | * @param isByeRequested |
| 304 | * The isByeRequested to set. |
| 305 | */ |
| 306 | public void setByeRequested(boolean isByeRequested) { |
| 307 | getOwnSource().byeRequested = isByeRequested; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Sets the m_ RTCP handler. |
| 312 | * |
| 313 | * @param handler |
| 314 | * The m_RTCPHandler to set. |
| 315 | */ |
| 316 | public void setM_RTCPHandler(RTCPThreadHandler handler) { |
| 317 | m_RTCPHandler = handler; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Sets the m_ RTP handler. |
| 322 | * |
| 323 | * @param handler |
| 324 | * The m_RTPHandler to set. |
| 325 | */ |
| 326 | public void setM_RTPHandler(RTPThreadHandler handler) { |
| 327 | m_RTPHandler = handler; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Sends an RTP Packet. |
| 332 | * |
| 333 | * @param length |
| 334 | * the length |
| 335 | * @param data |
| 336 | * The RTP payload. |
| 337 | * @throws PacketGenerateException |
| 338 | */ |
| 339 | public void sendRTPPacket(byte[] data, int length) throws PacketGenerateException { |
| 340 | logger.fatal("sendRTPPacket"); |
| 341 | sendRTPPacket(data, length, false); |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Sends an RTP Packet. |
| 346 | * |
| 347 | * @param marker |
| 348 | * the marker |
| 349 | * @param length |
| 350 | * the length |
| 351 | * @param data |
| 352 | * The RTP payload. |
| 353 | * @throws PacketGenerateException |
| 354 | */ |
| 355 | public void sendRTPPacket(byte[] data, int length, boolean marker) throws PacketGenerateException { |
| 356 | logger.debug("sendRTPPacket + marker:"+marker); |
| 357 | if (m_RTPHandler != null) { |
| 358 | m_RTPHandler.sendPacket(data, length, marker); |
| 359 | } else { |
| 360 | logger.error("ERROR: Cannot send RTP data if RTPHandler not instantiated."); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * Starts the threads. Starts the RTCP sender and receiver threads and the |
| 366 | * RTP receiver thread. This function calls the thread startup functions |
| 367 | * which could also be called manually if needed. This function is an |
| 368 | * alternative for calling the following StartRTCPSenderThread(); |
| 369 | * StartRTCPReceiverThread(); StartRTPReceiverThread(); |
| 370 | * |
| 371 | * @see Session3550#StartRTCPSenderThread |
| 372 | * @see Session3550#StartRTCPReceiverThread |
| 373 | * @see Session3550#StartRTPReceiverThread |
| 374 | */ |
| 375 | public void startSession() { |
| 376 | running = true; |
| 377 | onInit(ownSource); |
| 378 | // RTCP |
| 379 | m_RTCPHandler.startRTCPReceiverThread(); |
| 380 | m_RTCPHandler.startRTCPSenderThread(); |
| 381 | // RTP |
| 382 | startRTPReceiverThread(); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Vraci casovou konstantu T, ktere je odvozeno od deterministickeho Td. T |
| 387 | * reprezentuje cas, kdy ma nastat vyslani RTCP packetu. |
| 388 | * |
| 389 | * @return nondeterministic time interval |
| 390 | */ |
| 391 | protected double computeInterval() { |
| 392 | |
| 393 | double rtcp_bw = this.rtcp_bw; |
| 394 | /* |
| 395 | * Minimum average time between RTCP packets from this site (in mili |
| 396 | * seconds). This time prevents the reports from `clumping' when |
| 397 | * sessions are small and the law of large numbers isn't helping to |
| 398 | * smooth out the traffic. It also keeps the report interval from |
| 399 | * becoming ridiculously small during transient outages like a network |
| 400 | * partition. |
| 401 | */ |
| 402 | final double RTCP_MIN_TIME = 5000; // 5000 mSec = 5 seconds |
| 403 | /* |
| 404 | * Fraction of the RTCP bandwidth to be shared among active senders. |
| 405 | * (This fraction was chosen so that in a typical session with one or |
| 406 | * two active senders, the computed report time would be roughly equal |
| 407 | * to the minimum report time so that we don't unnecessarily slow down |
| 408 | * receiver reports.) The receiver fraction must be 1 - the sender |
| 409 | * fraction. |
| 410 | */ |
| 411 | final double RTCP_SENDER_BW_FRACTION = 0.25; |
| 412 | final double RTCP_RCVR_BW_FRACTION = (1 - RTCP_SENDER_BW_FRACTION); |
| 413 | /* |
| 414 | * /* To compensate for "timer reconsideration" converging to a value |
| 415 | * below the intended average. |
| 416 | */ |
| 417 | final double COMPENSATION = 2.71828 - 1.5; |
| 418 | // final double COMPENSATION = 2718.28 - 1500.0; |
| 419 | |
| 420 | double t; /* interval */ |
| 421 | double rtcp_min_time = RTCP_MIN_TIME; |
| 422 | int n; /* no. of members for computation */ |
| 423 | |
| 424 | /* |
| 425 | * Very first call at application start-up uses half the min delay for |
| 426 | * quicker notification while still allowing some time before reporting |
| 427 | * for randomization and to learn about other sources so the report |
| 428 | * interval will converge to the correct interval more quickly. |
| 429 | */ |
| 430 | if (this.initial) { |
| 431 | rtcp_min_time /= 2; |
| 432 | } |
| 433 | /* |
| 434 | * Dedicate a fraction of the RTCP bandwidth to senders unless the |
| 435 | * number of senders is large enough that their share is more than that |
| 436 | * fraction. |
| 437 | */ |
| 438 | int senders = getSendersCount(); |
| 439 | members = getMembersCount(); |
| 440 | n = getMembersCount(); |
| 441 | if (senders <= members * RTCP_SENDER_BW_FRACTION) { |
| 442 | if (this.isActiveSender()) { |
| 443 | rtcp_bw *= RTCP_SENDER_BW_FRACTION; |
| 444 | n = senders; |
| 445 | } else { |
| 446 | rtcp_bw *= RTCP_RCVR_BW_FRACTION; |
| 447 | n -= senders; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /* |
| 452 | * The effective number of sites times the average packet size is the |
| 453 | * total number of octets sent when each site sends a report. Dividing |
| 454 | * this by the effective bandwidth gives the time interval over which |
| 455 | * those packets must be sent in order to meet the bandwidth target, |
| 456 | * with a minimum enforced. In that time interval we send one report so |
| 457 | * this time is also our average time between reports. |
| 458 | */ |
| 459 | t = avg_rtcp_size * n / rtcp_bw; |
| 460 | if (t < rtcp_min_time) |
| 461 | t = rtcp_min_time; |
| 462 | |
| 463 | this.T = (long) (t / COMPENSATION); |
| 464 | /* |
| 465 | * To avoid traffic bursts from unintended synchronization with other |
| 466 | * sites, we then pick our actual next report interval as a random |
| 467 | * number uniformly distributed between 0.5*t and 1.5*t. |
| 468 | */ |
| 469 | t = t * (RandomUtils.nextDouble() + 0.5); |
| 470 | t = t / COMPENSATION; |
| 471 | |
| 472 | if (ConfigDebug.RTCP_GENERATOR_INTERVAL) { |
| 473 | System.out.println("###################################"); |
| 474 | System.out.println("## isSender:" + this.isActiveSender()); |
| 475 | System.out.println("## rtcp_bw:" + rtcp_bw); |
| 476 | System.out.println("## SESSION:" + this); |
| 477 | System.out.println("## initial:" + initial); |
| 478 | System.out.println("## invalids:" + getInvalidCount()); |
| 479 | System.out.println("## members:" + members); |
| 480 | System.out.println("## senders:" + senders); |
| 481 | System.out.println("## AVG_RTCP_SIZE:" + avg_rtcp_size); |
| 482 | System.out.println("## INTERVAL (DETERMIN): " |
| 483 | + ConfigDebug.toString(T) + " miliSec"); |
| 484 | System.out.println("## INTERVAL (NONDETER): " |
| 485 | + ConfigDebug.toString(t) + " miliSec"); |
| 486 | System.out.println("###################################"); |
| 487 | } |
| 488 | return t; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Update average packet length. |
| 493 | * |
| 494 | * @param length |
| 495 | * the length of RTP packet (IP and UDP header is added). |
| 496 | */ |
| 497 | public void updateAvgPktLength(int length) { |
| 498 | double last = avg_rtcp_size; |
| 499 | // IPv4 |
| 500 | length += Constants.IP_UDP_HEADER_SIZE; |
| 501 | avg_rtcp_size = ((1d / 16d) * length) + (15d / 16d) * (avg_rtcp_size); |
| 502 | logger.info("Updating AVRG packet length, Prev.Length:" + last |
| 503 | + " NewLength:" + avg_rtcp_size + " PacketLength:" + (length)); |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * Stops the session and terminates the RTCP sending loop by forcing a bye |
| 508 | * packet. |
| 509 | * |
| 510 | * @see Session3550#StopRTCPSenderThread |
| 511 | */ |
| 512 | public void stopSession() { |
| 513 | // RTCP |
| 514 | m_RTCPHandler.stopThreads(); |
| 515 | // RTP sender |
| 516 | m_RTPHandler.stopThread(); |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Gets the own source. |
| 521 | * |
| 522 | * @return the own source |
| 523 | */ |
| 524 | public Source getOwnSource() { |
| 525 | return ownSource; |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * Gets the SSRC. |
| 530 | * |
| 531 | * @return the SSRC |
| 532 | */ |
| 533 | public long getSSRC() { |
| 534 | return getOwnSource().getSSRC(); |
| 535 | } |
| 536 | |
| 537 | /** |
| 538 | * Expire sender. |
| 539 | */ |
| 540 | public synchronized void expireSender() { |
| 541 | expireSender(getOwnSource().getSSRC()); |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * Checks if is active sender. |
| 546 | * |
| 547 | * @return true, if is active sender |
| 548 | */ |
| 549 | public synchronized boolean isActiveSender() { |
| 550 | return getOwnSource().isSender(); |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Sets the CNAME. |
| 555 | * |
| 556 | * @param str |
| 557 | * the CNAME |
| 558 | */ |
| 559 | public void setCNAME(String str) { |
| 560 | getOwnSource().CNAME = str; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Sets the EMAIL. |
| 565 | * |
| 566 | * @param str |
| 567 | * the EMAIL |
| 568 | */ |
| 569 | public void setEMAIL(String str) { |
| 570 | getOwnSource().EMAIL = str; |
| 571 | } |
| 572 | |
| 573 | /** |
| 574 | * Gets the CNAME. |
| 575 | * |
| 576 | * @return the CNAME |
| 577 | */ |
| 578 | public String getCNAME() { |
| 579 | return getOwnSource().CNAME; |
| 580 | } |
| 581 | |
| 582 | /** |
| 583 | * Gets the EMAIL. |
| 584 | * |
| 585 | * @return the EMAIL |
| 586 | */ |
| 587 | public String getEMAIL() { |
| 588 | return getOwnSource().EMAIL; |
| 589 | } |
| 590 | |
| 591 | /** |
| 592 | * Gets the m_ RTP handler. |
| 593 | * |
| 594 | * @return the m_ RTP handler |
| 595 | */ |
| 596 | public RTPThreadHandler getM_RTPHandler() { |
| 597 | return m_RTPHandler; |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * Check for expired members. |
| 602 | */ |
| 603 | protected synchronized void refresh() { |
| 604 | |
| 605 | long curTime = System.currentTimeMillis(); |
| 606 | // OWN SOURCE !!! |
| 607 | Source src = getOwnSource(); |
| 608 | // long Tnext = (long) this.tp + 2 * this.T; |
| 609 | if (src.timeOfLastRTPSent + 2 * T < curTime) { |
| 610 | if (src.isSender()) { |
| 611 | logger.info("EXPIRED OWN SENDER SSRC:" + src.ssrc); |
| 612 | expireSender(src.ssrc); |
| 613 | src.setSender(false); |
| 614 | onExpireSender(src); |
| 615 | |
| 616 | } |
| 617 | } else { |
| 618 | // last sent -> check if it is sender already |
| 619 | |
| 620 | if (!src.isSender()) { |
| 621 | logger.info("OWN SSRC is SENDER:" + src.ssrc); |
| 622 | |
| 623 | addSender(src.ssrc, 0); |
| 624 | src.setSender(true); |
| 625 | onNewSender(src); |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | // FOREIGN SOURCES |
| 630 | Enumeration<Source> senders = sendersMap.elements(); |
| 631 | while (senders.hasMoreElements()) { |
| 632 | src = senders.nextElement(); |
| 633 | if (src.ssrc != getSSRC()) { |
| 634 | src.refreshSender(); |
| 635 | // not validate own source |
| 636 | if (src.ssrc != getOwnSource().ssrc) { |
| 637 | // has member expired from senders? |
| 638 | if (src.timeOfLastRTPArrival + 2 * this.T < curTime) { |
| 639 | |
| 640 | logger.info("EXPIRED SENDER SSRC:" + src.ssrc); |
| 641 | |
| 642 | src.setSender(false); |
| 643 | expireSender(src.ssrc); |
| 644 | onExpireSender(src); |
| 645 | } |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | // checks for expired members |
| 651 | Enumeration<Source> members = membersMap.elements(); |
| 652 | while (members.hasMoreElements()) { |
| 653 | src = members.nextElement(); |
| 654 | // not validate own source |
| 655 | if (src.ssrc != getOwnSource().ssrc) { |
| 656 | // has member expired from members? |
| 657 | if (src.timeOfLastRTCPArrival + 5 * this.T < curTime |
| 658 | && src.timeOfLastRTPArrival + 5 * this.T < curTime) { |
| 659 | |
| 660 | // For expiration of invalid member need to set current time |
| 661 | // as |
| 662 | // the last echo from this source |
| 663 | src.timeOfLastRTPArrival = System.currentTimeMillis(); |
| 664 | |
| 665 | logger.info("EXPIRED MEMBER SSRC:" + src.ssrc); |
| 666 | expireMember(src.ssrc); |
| 667 | onExpireMember(src); |
| 668 | } |
| 669 | } |
| 670 | } |
| 671 | // check for expired invalids |
| 672 | Enumeration<Source> invalids = invalidMap.elements(); |
| 673 | while (invalids.hasMoreElements()) { |
| 674 | src = invalids.nextElement(); |
| 675 | // not validate own source |
| 676 | if (src.ssrc != getOwnSource().ssrc) { |
| 677 | // has member expired from senders? |
| 678 | if (src.timeOfLastRTPArrival + 2 * this.T < curTime |
| 679 | && src.timeOfLastRTCPArrival + 2 * this.T < curTime) { |
| 680 | // 2T elapsed from last echo |
| 681 | if (ConfigDebug.MEMBERS_TABLE_ACTIONS) { |
| 682 | logger.info("EXPIRED INVALID SSRC:" + src.ssrc); |
| 683 | } |
| 684 | expireInvalid(src.ssrc); |
| 685 | onExpireInvalid(src); |
| 686 | |
| 687 | // BYErequested will be also removed |
| 688 | |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | logger.debug(printMembersInfo()); |
| 693 | } |
| 694 | |
| 695 | /** |
| 696 | * Removes all senders and all members. Removes all members excepts own. |
| 697 | */ |
| 698 | public synchronized void removeAllMembers() { |
| 699 | // store |
| 700 | Source src = getOwnSource(); |
| 701 | |
| 702 | sendersMap.clear(); |
| 703 | membersMap.clear(); |
| 704 | invalidMap.clear(); |
| 705 | |
| 706 | // reinsert own source |
| 707 | membersMap.put(Long.valueOf(src.ssrc), src); |
| 708 | } |
| 709 | |
| 710 | /** |
| 711 | * according to rfc3550, 6.4.7 prepares session to transmit RTCP compound |
| 712 | * packet |
| 713 | */ |
| 714 | public void prepareForByeTransmit(int compoundPacketLength) { |
| 715 | Source src = getOwnSource(); |
| 716 | |
| 717 | tp = tc = System.currentTimeMillis(); |
| 718 | pmembers = 1; |
| 719 | // delete each members senders or invalids (members = 1) |
| 720 | removeAllMembers(); // except own src |
| 721 | // senders = 0; |
| 722 | sendersMap.clear(); |
| 723 | initial = true; |
| 724 | // not sender |
| 725 | src.timeOfLastRTPArrival = 0; |
| 726 | src.setSender(false); |
| 727 | |
| 728 | // size of compound BYE packet |
| 729 | avg_rtcp_size = compoundPacketLength; |
| 730 | } |
| 731 | |
| 732 | /* |
| 733 | * (non-Javadoc) |
| 734 | * |
| 735 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onBYEReceive(cz.vutbr.feec.utko.rtp.packets.ByePacket) |
| 736 | */ |
| 737 | public void onBYEReceive(ByePacket packet) { |
| 738 | for (int i = 0; i < packet.getSSRCCount(); ++i) { |
| 739 | // if sending BYE there is probability a packet will arrive |
| 740 | // so if no SSRC exists, it will be created |
| 741 | Source src = getMemberOrCreateMember(packet.getSSRC(i)); |
| 742 | src.byeRequested = true; |
| 743 | } |
| 744 | |
| 745 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 746 | .iterator(); iterator.hasNext();) { |
| 747 | PacketSentOrRetreiveListener name = iterator.next(); |
| 748 | name.onBYEReceive(packet); |
| 749 | } |
| 750 | |
| 751 | } |
| 752 | |
| 753 | /* |
| 754 | * (non-Javadoc) |
| 755 | * |
| 756 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onBYESent(cz.vutbr.feec.utko.rtp.packets.ByePacket) |
| 757 | */ |
| 758 | public void onBYESent(ByePacket packet) { |
| 759 | |
| 760 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 761 | .iterator(); iterator.hasNext();) { |
| 762 | PacketSentOrRetreiveListener name = iterator.next(); |
| 763 | name.onBYESent(packet); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | /* |
| 768 | * (non-Javadoc) |
| 769 | * |
| 770 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onRRReceive(cz.vutbr.feec.utko.rtp.packets.RTCPReceiverReportPacket) |
| 771 | */ |
| 772 | public void onRRReceive(ReportPacket packet) { |
| 773 | onReportReceived(packet); |
| 774 | |
| 775 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 776 | .iterator(); iterator.hasNext();) { |
| 777 | PacketSentOrRetreiveListener name = iterator.next(); |
| 778 | name.onRRReceive(packet); |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | /* |
| 783 | * (non-Javadoc) |
| 784 | * |
| 785 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onRRSent(cz.vutbr.feec.utko.rtp.packets.RTCPReceiverReportPacket) |
| 786 | */ |
| 787 | public void onRRSent(ReportPacket packet) { |
| 788 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 789 | .iterator(); iterator.hasNext();) { |
| 790 | PacketSentOrRetreiveListener name = iterator.next(); |
| 791 | name.onRRSent(packet); |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | /* |
| 796 | * (non-Javadoc) |
| 797 | * |
| 798 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onRTPReceive(cz.vutbr.feec.utko.rtp.packets.RTPPacket) |
| 799 | */ |
| 800 | public void onRTPReceive(RTPPacket packet) { |
| 801 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 802 | .iterator(); iterator.hasNext();) { |
| 803 | PacketSentOrRetreiveListener name = iterator.next(); |
| 804 | name.onRTPReceive(packet); |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | /* |
| 809 | * (non-Javadoc) |
| 810 | * |
| 811 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onRTPSent(cz.vutbr.feec.utko.rtp.packets.RTPPacket) |
| 812 | */ |
| 813 | public void onRTPSent(RTPPacket packet) { |
| 814 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 815 | .iterator(); iterator.hasNext();) { |
| 816 | PacketSentOrRetreiveListener name = iterator.next(); |
| 817 | name.onRTPSent(packet); |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | /* |
| 822 | * (non-Javadoc) |
| 823 | * |
| 824 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onSDESReceive(cz.vutbr.feec.utko.rtp.packets.SDESPacket) |
| 825 | */ |
| 826 | public void onSDESReceive(SDESPacket packet) { |
| 827 | for (int i = 0; i < packet.getChunkCount(); ++i) { |
| 828 | SDESChunk chunk = packet.getChunkBlock(i); |
| 829 | |
| 830 | // Validated on SR or RR packet |
| 831 | Source src = getMemberOrInvalid(chunk.getSSRC_CSRC()); |
| 832 | |
| 833 | for (int j = 0; j < chunk.getNumberofItems(); ++j) { |
| 834 | SDESItem item = chunk.getItem(j); |
| 835 | switch (item.getType()) { |
| 836 | case SDESItem.CNAME: |
| 837 | // Validated on RR/SR received |
| 838 | src.CNAME = item.getText(); |
| 839 | break; |
| 840 | case SDESItem.EMAIL: |
| 841 | src.EMAIL = item.getText(); |
| 842 | break; |
| 843 | case SDESItem.LOC: |
| 844 | src.LOC = item.getText(); |
| 845 | break; |
| 846 | case SDESItem.NAME: |
| 847 | src.NAME = item.getText(); |
| 848 | break; |
| 849 | case SDESItem.NOTE: |
| 850 | src.NOTE = item.getText(); |
| 851 | break; |
| 852 | case SDESItem.PHONE: |
| 853 | src.PRIV = item.getText(); |
| 854 | break; |
| 855 | case SDESItem.PRIV: |
| 856 | src.PRIV = item.getText(); |
| 857 | break; |
| 858 | case SDESItem.TOOL: |
| 859 | src.TOOL = item.getText(); |
| 860 | break; |
| 861 | default: |
| 862 | break; |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 868 | .iterator(); iterator.hasNext();) { |
| 869 | PacketSentOrRetreiveListener name = iterator.next(); |
| 870 | name.onSDESReceive(packet); |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | /* |
| 875 | * (non-Javadoc) |
| 876 | * |
| 877 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onSDESSent(cz.vutbr.feec.utko.rtp.packets.SDESPacket) |
| 878 | */ |
| 879 | public void onSDESSent(SDESPacket packet) { |
| 880 | |
| 881 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 882 | .iterator(); iterator.hasNext();) { |
| 883 | PacketSentOrRetreiveListener name = iterator.next(); |
| 884 | name.onSDESSent(packet); |
| 885 | } |
| 886 | } |
| 887 | |
| 888 | /** |
| 889 | * On report received. |
| 890 | * |
| 891 | * @param packet |
| 892 | * the packet |
| 893 | */ |
| 894 | public synchronized void onReportReceived(GeneralRTCPHeader packet) { |
| 895 | Source src; |
| 896 | if (!existMember(packet.getSSRC())) { |
| 897 | src = getMemberOrCreateMember(packet.getSSRC()); |
| 898 | validate(packet.getSSRC()); |
| 899 | onValidated(src); |
| 900 | } |
| 901 | src = getMember(packet.getSSRC()); |
| 902 | src.timeOfLastRTCPArrival = System.currentTimeMillis(); |
| 903 | } |
| 904 | |
| 905 | /* |
| 906 | * (non-Javadoc) |
| 907 | * |
| 908 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onSRReceive(cz.vutbr.feec.utko.rtp.packets.RTCPSenderReportPacket) |
| 909 | */ |
| 910 | public void onSRReceive(SenderReportPacket packet) { |
| 911 | onReportReceived(packet); |
| 912 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 913 | .iterator(); iterator.hasNext();) { |
| 914 | PacketSentOrRetreiveListener name = iterator.next(); |
| 915 | name.onSRReceive(packet); |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | /* |
| 920 | * (non-Javadoc) |
| 921 | * |
| 922 | * @see cz.vutbr.feec.utko.iptv.net.rtp.PacketSentOrRetreiveListener#onSRSent(cz.vutbr.feec.utko.rtp.packets.RTCPSenderReportPacket) |
| 923 | */ |
| 924 | public void onSRSent(SenderReportPacket packet) { |
| 925 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 926 | .iterator(); iterator.hasNext();) { |
| 927 | PacketSentOrRetreiveListener name = iterator.next(); |
| 928 | name.onSRSent(packet); |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | /* |
| 933 | * (non-Javadoc) |
| 934 | * |
| 935 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onExpireInvalid(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 936 | */ |
| 937 | public void onExpireInvalid(Source src) { |
| 938 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 939 | .iterator(); iterator.hasNext();) { |
| 940 | MemberTableChangeListener name = iterator.next(); |
| 941 | name.onExpireInvalid(src); |
| 942 | } |
| 943 | |
| 944 | } |
| 945 | |
| 946 | /* |
| 947 | * (non-Javadoc) |
| 948 | * |
| 949 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onExpireMember(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 950 | */ |
| 951 | public void onExpireMember(Source src) { |
| 952 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 953 | .iterator(); iterator.hasNext();) { |
| 954 | MemberTableChangeListener name = iterator.next(); |
| 955 | name.onExpireMember(src); |
| 956 | } |
| 957 | } |
| 958 | |
| 959 | /* |
| 960 | * (non-Javadoc) |
| 961 | * |
| 962 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onExpireSender(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 963 | */ |
| 964 | public void onExpireSender(Source src) { |
| 965 | src.probation = Source.MIN_SEQUENTIAL; |
| 966 | src.setSender(false); |
| 967 | |
| 968 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 969 | .iterator(); iterator.hasNext();) { |
| 970 | MemberTableChangeListener name = iterator.next(); |
| 971 | name.onExpireSender(src); |
| 972 | } |
| 973 | } |
| 974 | |
| 975 | /* |
| 976 | * (non-Javadoc) |
| 977 | * |
| 978 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onNewInvalid(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 979 | */ |
| 980 | public void onNewInvalid(Source src) { |
| 981 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 982 | .iterator(); iterator.hasNext();) { |
| 983 | MemberTableChangeListener name = iterator.next(); |
| 984 | name.onNewInvalid(src); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | /* |
| 989 | * (non-Javadoc) |
| 990 | * |
| 991 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onNewSender(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 992 | */ |
| 993 | public void onNewSender(Source src) { |
| 994 | src.setSender(true); |
| 995 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 996 | .iterator(); iterator.hasNext();) { |
| 997 | MemberTableChangeListener name = iterator.next(); |
| 998 | name.onNewSender(src); |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | /* |
| 1003 | * (non-Javadoc) |
| 1004 | * |
| 1005 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onValidated(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 1006 | */ |
| 1007 | public void onValidated(Source src) { |
| 1008 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 1009 | .iterator(); iterator.hasNext();) { |
| 1010 | MemberTableChangeListener name = iterator.next(); |
| 1011 | name.onValidated(src); |
| 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | /* |
| 1016 | * (non-Javadoc) |
| 1017 | * |
| 1018 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onSchedule(double, |
| 1019 | * cz.vutbr.feec.utko.iptv.net.rtp.Session3550) |
| 1020 | */ |
| 1021 | public void onSchedule(double delay, Session3550 session) { |
| 1022 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 1023 | .iterator(); iterator.hasNext();) { |
| 1024 | MemberTableChangeListener name = iterator.next(); |
| 1025 | name.onSchedule(delay, session); |
| 1026 | } |
| 1027 | } |
| 1028 | |
| 1029 | /* |
| 1030 | * (non-Javadoc) |
| 1031 | * |
| 1032 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onInit(cz.vutbr.feec.utko.iptv.net.rtp.Source) |
| 1033 | */ |
| 1034 | public void onInit(Source src) { |
| 1035 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 1036 | .iterator(); iterator.hasNext();) { |
| 1037 | MemberTableChangeListener name = iterator.next(); |
| 1038 | name.onInit(src); |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | /* |
| 1043 | * (non-Javadoc) |
| 1044 | * |
| 1045 | * @see cz.vutbr.feec.utko.iptv.net.rtp.MemberTableChangeListener#onBye() |
| 1046 | */ |
| 1047 | public void onBye() { |
| 1048 | for (Iterator<MemberTableChangeListener> iterator = memberTableChangeListeners |
| 1049 | .iterator(); iterator.hasNext();) { |
| 1050 | MemberTableChangeListener name = iterator.next(); |
| 1051 | name.onBye(); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | public void onRSIReceive(RSIPacket packet) { |
| 1056 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 1057 | .iterator(); iterator.hasNext();) { |
| 1058 | PacketSentOrRetreiveListener name = iterator.next(); |
| 1059 | name.onRSIReceive(packet); |
| 1060 | } |
| 1061 | } |
| 1062 | |
| 1063 | public void onRSISent(RSIPacket packet) { |
| 1064 | for (Iterator<PacketSentOrRetreiveListener> iterator = packetSentOrRetreiveListeners |
| 1065 | .iterator(); iterator.hasNext();) { |
| 1066 | PacketSentOrRetreiveListener name = iterator.next(); |
| 1067 | name.onRSISent(packet); |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | /** The Constant multicastType_SSM. */ |
| 1072 | public final static String multicastType_SSM = "SSM"; |
| 1073 | |
| 1074 | /** The Constant multicastType_ASM. */ |
| 1075 | public final static String multicastType_ASM = "ASM"; |
| 1076 | |
| 1077 | /** The multicast type. */ |
| 1078 | public String multicastType = multicastType_ASM; |
| 1079 | |
| 1080 | /** |
| 1081 | * Checks is a sender. |
| 1082 | * |
| 1083 | * @return true, if is created as sender |
| 1084 | */ |
| 1085 | public boolean isSender() { |
| 1086 | return sessionType.equals(SessionType.SENDER); |
| 1087 | } |
| 1088 | /** |
| 1089 | * Checks if member is a receiver. |
| 1090 | * |
| 1091 | * @return true, if is a receiver |
| 1092 | */ |
| 1093 | public boolean isReceiver() { |
| 1094 | return sessionType.equals(SessionType.RECEIVER); |
| 1095 | } |
| 1096 | /** |
| 1097 | * Checks if member is s feedback target. |
| 1098 | * |
| 1099 | * @return true, if is feedback target |
| 1100 | */ |
| 1101 | public boolean isFeedbackTarget() { |
| 1102 | return sessionType.equals(SessionType.FEEDBACK_TARGET); |
| 1103 | } |
| 1104 | |
| 1105 | /** |
| 1106 | * Checks if is SSM. |
| 1107 | * |
| 1108 | * @return true, if is SSM |
| 1109 | */ |
| 1110 | public boolean isSSM() { |
| 1111 | return isSSM; |
| 1112 | } |
| 1113 | |
| 1114 | /** |
| 1115 | * Sets the member table change listener. |
| 1116 | * |
| 1117 | * @param memberTableChangeListener |
| 1118 | * the member table change listener |
| 1119 | */ |
| 1120 | public void addMemberTableChangeListener( |
| 1121 | MemberTableChangeListener memberTableChangeListener) { |
| 1122 | this.memberTableChangeListeners.add(memberTableChangeListener); |
| 1123 | } |
| 1124 | |
| 1125 | /** |
| 1126 | * For idetification of threads (e.g. AUDIO or VIDEO) |
| 1127 | * |
| 1128 | * @return |
| 1129 | */ |
| 1130 | public String getName() { |
| 1131 | return name; |
| 1132 | } |
| 1133 | |
| 1134 | /** |
| 1135 | * For idetification of threads (e.g. AUDIO or VIDEO) |
| 1136 | * |
| 1137 | * @param name |
| 1138 | */ |
| 1139 | public void setName(String name) { |
| 1140 | this.name = name; |
| 1141 | } |
| 1142 | |
| 1143 | public boolean isByeSent() { |
| 1144 | return byeSent; |
| 1145 | } |
| 1146 | |
| 1147 | public void setByeSent(boolean byeSent) { |
| 1148 | this.byeSent = byeSent; |
| 1149 | } |
| 1150 | |
| 1151 | @Override |
| 1152 | public boolean isRunning() { |
| 1153 | return running; |
| 1154 | } |
| 1155 | } |