/** Implements notification in order to track socket state. */
  @Override
  public synchronized void onSctpNotification(SctpSocket socket, SctpNotification notification) {
    if (logger.isDebugEnabled()) {
      logger.debug("socket=" + socket + "; notification=" + notification);
    }
    switch (notification.sn_type) {
      case SctpNotification.SCTP_ASSOC_CHANGE:
        SctpNotification.AssociationChange assocChange =
            (SctpNotification.AssociationChange) notification;

        switch (assocChange.state) {
          case SctpNotification.AssociationChange.SCTP_COMM_UP:
            if (!assocIsUp) {
              boolean wasReady = isReady();

              assocIsUp = true;
              if (isReady() && !wasReady) notifySctpConnectionReady();
            }
            break;

          case SctpNotification.AssociationChange.SCTP_COMM_LOST:
          case SctpNotification.AssociationChange.SCTP_SHUTDOWN_COMP:
          case SctpNotification.AssociationChange.SCTP_CANT_STR_ASSOC:
            try {
              closeStream();
            } catch (IOException e) {
              logger.error("Error closing SCTP socket", e);
            }
            break;
        }
        break;
    }
  }
  private void runOnDtlsTransport(StreamConnector connector) throws IOException {
    DtlsControlImpl dtlsControl = (DtlsControlImpl) getTransportManager().getDtlsControl(this);
    DtlsTransformEngine engine = dtlsControl.getTransformEngine();
    final DtlsPacketTransformer transformer = (DtlsPacketTransformer) engine.getRTPTransformer();

    byte[] receiveBuffer = new byte[SCTP_BUFFER_SIZE];

    if (LOG_SCTP_PACKETS) {
      System.setProperty(
          ConfigurationService.PNAME_SC_HOME_DIR_LOCATION, System.getProperty("java.io.tmpdir"));
      System.setProperty(
          ConfigurationService.PNAME_SC_HOME_DIR_NAME, SctpConnection.class.getName());
    }

    synchronized (this) {
      // FIXME local SCTP port is hardcoded in bridge offer SDP (Jitsi
      // Meet)
      sctpSocket = Sctp.createSocket(5000);
      assocIsUp = false;
      acceptedIncomingConnection = false;
    }

    // Implement output network link for SCTP stack on DTLS transport
    sctpSocket.setLink(
        new NetworkLink() {
          @Override
          public void onConnOut(SctpSocket s, byte[] packet) throws IOException {
            if (LOG_SCTP_PACKETS) {
              LibJitsi.getPacketLoggingService()
                  .logPacket(
                      PacketLoggingService.ProtocolName.ICE4J,
                      new byte[] {0, 0, 0, (byte) debugId},
                      5000,
                      new byte[] {0, 0, 0, (byte) (debugId + 1)},
                      remoteSctpPort,
                      PacketLoggingService.TransportName.UDP,
                      true,
                      packet);
            }

            // Send through DTLS transport
            transformer.sendApplicationData(packet, 0, packet.length);
          }
        });

    if (logger.isDebugEnabled()) {
      logger.debug("Connecting SCTP to port: " + remoteSctpPort + " to " + getEndpoint().getID());
    }

    sctpSocket.setNotificationListener(this);
    sctpSocket.listen();

    // FIXME manage threads
    threadPool.execute(
        new Runnable() {
          @Override
          public void run() {
            SctpSocket sctpSocket = null;
            try {
              // sctpSocket is set to null on close
              sctpSocket = SctpConnection.this.sctpSocket;
              while (sctpSocket != null) {
                if (sctpSocket.accept()) {
                  acceptedIncomingConnection = true;
                  break;
                }
                Thread.sleep(100);
                sctpSocket = SctpConnection.this.sctpSocket;
              }
              if (isReady()) {
                notifySctpConnectionReady();
              }
            } catch (Exception e) {
              logger.error("Error accepting SCTP connection", e);
            }

            if (sctpSocket == null && logger.isInfoEnabled()) {
              logger.info(
                  "SctpConnection " + getID() + " closed" + " before SctpSocket accept()-ed.");
            }
          }
        });

    // Notify that from now on SCTP connection is considered functional
    sctpSocket.setDataCallback(this);

    // Setup iceSocket
    DatagramSocket datagramSocket = connector.getDataSocket();
    if (datagramSocket != null) {
      this.iceSocket = new IceUdpSocketWrapper(datagramSocket);
    } else {
      this.iceSocket = new IceTcpSocketWrapper(connector.getDataTCPSocket());
    }

    DatagramPacket rcvPacket = new DatagramPacket(receiveBuffer, 0, receiveBuffer.length);

    // Receive loop, breaks when SCTP socket is closed
    try {
      do {
        iceSocket.receive(rcvPacket);

        RawPacket raw =
            new RawPacket(rcvPacket.getData(), rcvPacket.getOffset(), rcvPacket.getLength());

        raw = transformer.reverseTransform(raw);
        // Check for app data
        if (raw == null) continue;

        if (LOG_SCTP_PACKETS) {
          LibJitsi.getPacketLoggingService()
              .logPacket(
                  PacketLoggingService.ProtocolName.ICE4J,
                  new byte[] {0, 0, 0, (byte) (debugId + 1)},
                  remoteSctpPort,
                  new byte[] {0, 0, 0, (byte) debugId},
                  5000,
                  PacketLoggingService.TransportName.UDP,
                  false,
                  raw.getBuffer(),
                  raw.getOffset(),
                  raw.getLength());
        }

        // Pass network packet to SCTP stack
        sctpSocket.onConnIn(raw.getBuffer(), raw.getOffset(), raw.getLength());
      } while (true);
    } finally {
      // Eventually, close the socket although it should happen from
      // expire().
      synchronized (this) {
        assocIsUp = false;
        acceptedIncomingConnection = false;
        if (sctpSocket != null) {
          sctpSocket.close();
          sctpSocket = null;
        }
      }
    }
  }
  /**
   * Handles control packet.
   *
   * @param data raw packet data that arrived on control PPID.
   * @param sid SCTP stream id on which the data has arrived.
   */
  private synchronized void onCtrlPacket(byte[] data, int sid) throws IOException {
    ByteBuffer buffer = ByteBuffer.wrap(data);
    int messageType = /* 1 byte unsigned integer */ 0xFF & buffer.get();

    if (messageType == MSG_CHANNEL_ACK) {
      if (logger.isDebugEnabled()) {
        logger.debug(getEndpoint().getID() + " ACK received SID: " + sid);
      }
      // Open channel ACK
      WebRtcDataStream channel = channels.get(sid);
      if (channel != null) {
        // Ack check prevents from firing multiple notifications
        // if we get more than one ACKs (by mistake/bug).
        if (!channel.isAcknowledged()) {
          channel.ackReceived();
          notifyChannelOpened(channel);
        } else {
          logger.warn("Redundant ACK received for SID: " + sid);
        }
      } else {
        logger.error("No channel exists on sid: " + sid);
      }
    } else if (messageType == MSG_OPEN_CHANNEL) {
      int channelType = /* 1 byte unsigned integer */ 0xFF & buffer.get();
      int priority = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
      long reliability = /* 4 bytes unsigned integer */ 0xFFFFFFFFL & buffer.getInt();
      int labelLength = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
      int protocolLength = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
      String label;
      String protocol;

      if (labelLength == 0) {
        label = "";
      } else {
        byte[] labelBytes = new byte[labelLength];

        buffer.get(labelBytes);
        label = new String(labelBytes, "UTF-8");
      }
      if (protocolLength == 0) {
        protocol = "";
      } else {
        byte[] protocolBytes = new byte[protocolLength];

        buffer.get(protocolBytes);
        protocol = new String(protocolBytes, "UTF-8");
      }

      if (logger.isDebugEnabled()) {
        logger.debug(
            "!!! "
                + getEndpoint().getID()
                + " data channel open request on SID: "
                + sid
                + " type: "
                + channelType
                + " prio: "
                + priority
                + " reliab: "
                + reliability
                + " label: "
                + label
                + " proto: "
                + protocol);
      }

      if (channels.containsKey(sid)) {
        logger.error("Channel on sid: " + sid + " already exists");
      }

      WebRtcDataStream newChannel = new WebRtcDataStream(sctpSocket, sid, label, true);
      channels.put(sid, newChannel);

      sendOpenChannelAck(sid);

      notifyChannelOpened(newChannel);
    } else {
      logger.error("Unexpected ctrl msg type: " + messageType);
    }
  }
Example #4
0
  /**
   * Implements {@link ControllerListener#controllerUpdate(ControllerEvent)}. Handles events from
   * the <tt>Processor</tt>s that this instance uses to transcode media.
   *
   * @param ev the event to handle.
   */
  public void controllerUpdate(ControllerEvent ev) {
    if (ev == null || ev.getSourceController() == null) {
      return;
    }

    Processor processor = (Processor) ev.getSourceController();
    ReceiveStreamDesc desc = findReceiveStream(processor);

    if (desc == null) {
      logger.warn("Event from an orphaned processor, ignoring: " + ev);
      return;
    }

    if (ev instanceof ConfigureCompleteEvent) {
      if (logger.isInfoEnabled()) {
        logger.info(
            "Configured processor for ReceiveStream ssrc="
                + desc.ssrc
                + " ("
                + desc.format
                + ")"
                + " "
                + System.currentTimeMillis());
      }

      boolean audio = desc.format instanceof AudioFormat;

      if (audio) {
        ContentDescriptor cd = processor.setContentDescriptor(AUDIO_CONTENT_DESCRIPTOR);
        if (!AUDIO_CONTENT_DESCRIPTOR.equals(cd)) {
          logger.error(
              "Failed to set the Processor content "
                  + "descriptor to "
                  + AUDIO_CONTENT_DESCRIPTOR
                  + ". Actual result: "
                  + cd);
          removeReceiveStream(desc, false);
          return;
        }
      }

      for (TrackControl track : processor.getTrackControls()) {
        Format trackFormat = track.getFormat();

        if (audio) {
          final long ssrc = desc.ssrc;
          SilenceEffect silenceEffect;
          if (Constants.OPUS_RTP.equals(desc.format.getEncoding())) {
            silenceEffect = new SilenceEffect(48000);
          } else {
            // We haven't tested that the RTP timestamps survive
            // the journey through the chain when codecs other than
            // opus are in use, so for the moment we rely on FMJ's
            // timestamps for non-opus formats.
            silenceEffect = new SilenceEffect();
          }

          silenceEffect.setListener(
              new SilenceEffect.Listener() {
                boolean first = true;

                @Override
                public void onSilenceNotInserted(long timestamp) {
                  if (first) {
                    first = false;
                    // send event only
                    audioRecordingStarted(ssrc, timestamp);
                  } else {
                    // change file and send event
                    resetRecording(ssrc, timestamp);
                  }
                }
              });
          desc.silenceEffect = silenceEffect;
          AudioLevelEffect audioLevelEffect = new AudioLevelEffect();
          audioLevelEffect.setAudioLevelListener(
              new SimpleAudioLevelListener() {
                @Override
                public void audioLevelChanged(int level) {
                  activeSpeakerDetector.levelChanged(ssrc, level);
                }
              });

          try {
            // We add an effect, which will insert "silence" in
            // place of lost packets.
            track.setCodecChain(new Codec[] {silenceEffect, audioLevelEffect});
          } catch (UnsupportedPlugInException upie) {
            logger.warn("Failed to insert silence effect: " + upie);
            // But do go on, a recording without extra silence is
            // better than nothing ;)
          }
        } else {
          // transcode vp8/rtp to vp8 (i.e. depacketize vp8)
          if (trackFormat.matches(vp8RtpFormat)) track.setFormat(vp8Format);
          else {
            logger.error("Unsupported track format: " + trackFormat + " for ssrc=" + desc.ssrc);
            // we currently only support vp8
            removeReceiveStream(desc, false);
            return;
          }
        }
      }

      processor.realize();
    } else if (ev instanceof RealizeCompleteEvent) {
      desc.dataSource = processor.getDataOutput();

      long ssrc = desc.ssrc;
      boolean audio = desc.format instanceof AudioFormat;
      String suffix = audio ? AUDIO_FILENAME_SUFFIX : VIDEO_FILENAME_SUFFIX;

      // XXX '\' on windows?
      String filename = getNextFilename(path + "/" + ssrc, suffix);
      desc.filename = filename;

      DataSink dataSink;
      if (audio) {
        try {
          dataSink = Manager.createDataSink(desc.dataSource, new MediaLocator("file:" + filename));
        } catch (NoDataSinkException ndse) {
          logger.error("Could not create DataSink: " + ndse);
          removeReceiveStream(desc, false);
          return;
        }

      } else {
        dataSink = new WebmDataSink(filename, desc.dataSource);
      }

      if (logger.isInfoEnabled())
        logger.info(
            "Created DataSink ("
                + dataSink
                + ") for SSRC="
                + ssrc
                + ". Output filename: "
                + filename);
      try {
        dataSink.open();
      } catch (IOException e) {
        logger.error("Failed to open DataSink (" + dataSink + ") for" + " SSRC=" + ssrc + ": " + e);
        removeReceiveStream(desc, false);
        return;
      }

      if (!audio) {
        final WebmDataSink webmDataSink = (WebmDataSink) dataSink;
        webmDataSink.setSsrc(ssrc);
        webmDataSink.setEventHandler(eventHandler);
        webmDataSink.setKeyFrameControl(
            new KeyFrameControlAdapter() {
              @Override
              public boolean requestKeyFrame(boolean urgent) {
                return requestFIR(webmDataSink);
              }
            });
      }

      try {
        dataSink.start();
      } catch (IOException e) {
        logger.error(
            "Failed to start DataSink (" + dataSink + ") for" + " SSRC=" + ssrc + ". " + e);
        removeReceiveStream(desc, false);
        return;
      }

      if (logger.isInfoEnabled()) logger.info("Started DataSink for SSRC=" + ssrc);

      desc.dataSink = dataSink;

      processor.start();
    } else if (logger.isDebugEnabled()) {
      logger.debug(
          "Unhandled ControllerEvent from the Processor for ssrc=" + desc.ssrc + ": " + ev);
    }
  }
  /**
   * Starts the execution of the neomedia bundle in the specified context.
   *
   * @param bundleContext the context in which the neomedia bundle is to start executing
   * @throws Exception if an error occurs while starting the execution of the neomedia bundle in the
   *     specified context
   */
  public void start(BundleContext bundleContext) throws Exception {
    if (logger.isDebugEnabled()) logger.debug("Started.");

    NeomediaActivator.bundleContext = bundleContext;

    // MediaService
    mediaServiceImpl = (MediaServiceImpl) LibJitsi.getMediaService();

    bundleContext.registerService(MediaService.class.getName(), mediaServiceImpl, null);
    if (logger.isDebugEnabled()) logger.debug("Media Service ... [REGISTERED]");

    //        mediaConfiguration = new MediaConfigurationImpl();
    //        bundleContext.registerService(
    //                MediaConfigurationService.class.getStatus(),
    //                getMediaConfiguration(),
    //                null);
    if (logger.isDebugEnabled()) logger.debug("Media Configuration ... [REGISTERED]");

    ConfigurationService cfg = NeomediaActivator.getConfigurationService();
    Dictionary<String, String> mediaProps = new Hashtable<String, String>();

    mediaProps.put(ConfigurationForm.FORM_TYPE, ConfigurationForm.GENERAL_TYPE);

    // If the audio configuration form is disabled don't register it.
    //        if ((cfg == null) || !cfg.getBoolean(AUDIO_CONFIG_DISABLED_PROP, false))
    //        {
    //            audioConfigurationForm
    //                = new LazyConfigurationForm(
    //                        AudioConfigurationPanel.class.getStatus(),
    //                        getClass().getClassLoader(),
    //                        "plugin.mediaconfig.AUDIO_ICON",
    //                        "impl.neomedia.configform.AUDIO",
    //                        3);
    //
    //            bundleContext.registerService(
    //                    ConfigurationForm.class.getStatus(),
    //                    audioConfigurationForm,
    //                    mediaProps);
    //
    //            if (deviceConfigurationPropertyChangeListener == null)
    //            {
    //                // Initializes and registers the changed device configuration
    //                // event ot the notification service.
    //                getNotificationService();
    //
    //                deviceConfigurationPropertyChangeListener
    //                    = new AudioDeviceConfigurationListener();
    //                mediaServiceImpl
    //                    .getDeviceConfiguration()
    //                        .addPropertyChangeListener(
    //                                deviceConfigurationPropertyChangeListener);
    //            }
    //        }

    // If the video configuration form is disabled don't register it.
    //        if ((cfg == null) || !cfg.getBoolean(VIDEO_CONFIG_DISABLED_PROP, false))
    //        {
    //            bundleContext.registerService(
    //                    ConfigurationForm.class.getStatus(),
    //                    new LazyConfigurationForm(
    //                            VideoConfigurationPanel.class.getStatus(),
    //                            getClass().getClassLoader(),
    //                            "plugin.mediaconfig.VIDEO_ICON",
    //                            "impl.neomedia.configform.VIDEO",
    //                            4),
    //                    mediaProps);
    //        }

    // H.264
    // If the H.264 configuration form is disabled don't register it.
    //        if ((cfg == null) || !cfg.getBoolean(H264_CONFIG_DISABLED_PROP, false))
    //        {
    //            Dictionary<String, String> h264Props
    //                = new Hashtable<String, String>();
    //
    //            h264Props.put(
    //                    ConfigurationForm.FORM_TYPE,
    //                    ConfigurationForm.ADVANCED_TYPE);
    //            bundleContext.registerService(
    //                    ConfigurationForm.class.getStatus(),
    //                    new LazyConfigurationForm(
    //                            ConfigurationPanel.class.getStatus(),
    //                            getClass().getClassLoader(),
    //                            "plugin.mediaconfig.VIDEO_ICON",
    //                            "impl.neomedia.configform.H264",
    //                            -1,
    //                            true),
    //                    h264Props);
    //        }

    // ZRTP
    // If the ZRTP configuration form is disabled don't register it.
    //        if ((cfg == null) || !cfg.getBoolean(ZRTP_CONFIG_DISABLED_PROP, false))
    //        {
    //            Dictionary<String, String> securityProps
    //                = new Hashtable<String, String>();
    //
    //            securityProps.put( ConfigurationForm.FORM_TYPE,
    //                            ConfigurationForm.SECURITY_TYPE);
    //            bundleContext.registerService(
    //                ConfigurationForm.class.getStatus(),
    //                new LazyConfigurationForm(
    //                    SecurityConfigForm.class.getStatus(),
    //                    getClass().getClassLoader(),
    //                    "impl.media.security.zrtp.CONF_ICON",
    //                    "impl.media.security.zrtp.TITLE",
    //                    0),
    //                securityProps);
    //        }

    // we use the nist-sdp stack to make parse sdp and we need to set the
    // following property to make sure that it would accept java generated
    // IPv6 addresses that contain address scope zones.
    System.setProperty("gov.nist.core.STRIP_ADDR_SCOPES", "true");

    // AudioNotifierService
    AudioNotifierService audioNotifierService = LibJitsi.getAudioNotifierService();

    audioNotifierService.setMute(
        (cfg == null)
            || !cfg.getBoolean("net.java.sip.communicator" + ".impl.sound.isSoundEnabled", true));
    bundleContext.registerService(AudioNotifierService.class.getName(), audioNotifierService, null);

    if (logger.isInfoEnabled()) logger.info("Audio Notifier Service ...[REGISTERED]");

    // Call Recording
    // If the call recording configuration form is disabled don't continue.
    //        if ((cfg == null)
    //                || !cfg.getBoolean(CALL_RECORDING_CONFIG_DISABLED_PROP, false))
    //        {
    //            Dictionary<String, String> callRecordingProps
    //                = new Hashtable<String, String>();
    //
    //            callRecordingProps.put(
    //                    ConfigurationForm.FORM_TYPE,
    //                    ConfigurationForm.ADVANCED_TYPE);
    //            bundleContext.registerService(
    //                    ConfigurationForm.class.getStatus(),
    //                    new LazyConfigurationForm(
    //                            CallRecordingConfigForm.class.getStatus(),
    //                            getClass().getClassLoader(),
    //                            null,
    //                            "plugin.callrecordingconfig.CALL_RECORDING_CONFIG",
    //                            1100,
    //                            true),
    //                    callRecordingProps);
    //        }
  }
  /**
   * Enables or disables this <tt>RTPConnectorInputStream</tt>. While the stream is disabled, it
   * does not accept any packets.
   *
   * @param enabled <tt>true</tt> to enable, <tt>false</tt> to disable.
   */
  public void setEnabled(boolean enabled) {
    if (logger.isDebugEnabled()) logger.debug("setEnabled: " + enabled);

    this.enabled = enabled;
  }