/** * Processes the session initiation {@link SessionIQ} that we were created with, passing its * content to the media handler and then sends either a "session-info/ringing" or a "terminate" * response. * * @param sessionInitIQ The {@link SessionIQ} that created the session that we are handling here. */ protected synchronized void processSessionInitiate(SessionIQ sessionInitIQ) { // Do initiate the session. this.sessionInitIQ = sessionInitIQ; this.initiator = true; RtpDescriptionPacketExtension description = null; for (PacketExtension ext : sessionInitIQ.getExtensions()) { if (ext.getElementName().equals(RtpDescriptionPacketExtension.ELEMENT_NAME)) { description = (RtpDescriptionPacketExtension) ext; break; } } if (description == null) { logger.info("No description in incoming session initiate"); // send an error response; String reasonText = "Error: no description"; SessionIQ errResp = GTalkPacketFactory.createSessionTerminate( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), sessionInitIQ.getID(), Reason.INCOMPATIBLE_PARAMETERS, reasonText); setState(CallPeerState.FAILED, reasonText); getProtocolProvider().getConnection().sendPacket(errResp); return; } try { getMediaHandler().processOffer(description); } catch (Exception ex) { logger.info("Failed to process an incoming session initiate", ex); // send an error response; String reasonText = "Error: " + ex.getMessage(); SessionIQ errResp = GTalkPacketFactory.createSessionTerminate( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), sessionInitIQ.getID(), Reason.INCOMPATIBLE_PARAMETERS, reasonText); setState(CallPeerState.FAILED, reasonText); getProtocolProvider().getConnection().sendPacket(errResp); return; } // If we do not get the info about the remote peer yet. Get it right // now. if (this.getDiscoveryInfo() == null) { String calleeURI = sessionInitIQ.getFrom(); retrieveDiscoveryInfo(calleeURI); } }
/** * Processes the session initiation {@link SessionIQ} that we were created with, passing its * content to the media handler. * * @param sessionInitIQ The {@link SessionIQ} that created the session that we are handling here. */ public void processSessionAccept(SessionIQ sessionInitIQ) { this.sessionInitIQ = sessionInitIQ; CallPeerMediaHandlerGTalkImpl mediaHandler = getMediaHandler(); Collection<PacketExtension> extensions = sessionInitIQ.getExtensions(); RtpDescriptionPacketExtension answer = null; for (PacketExtension ext : extensions) { if (ext.getElementName().equalsIgnoreCase(RtpDescriptionPacketExtension.ELEMENT_NAME)) { answer = (RtpDescriptionPacketExtension) ext; break; } } try { mediaHandler.getTransportManager().wrapupConnectivityEstablishment(); mediaHandler.processAnswer(answer); } catch (IllegalArgumentException e) { // HACK for FreeSwitch that send accept message before sending // candidates sessAcceptedWithNoCands = sessionInitIQ; return; } catch (Exception exc) { if (logger.isInfoEnabled()) logger.info("Failed to process a session-accept", exc); // send an error response String reasonText = "Error: " + exc.getMessage(); SessionIQ errResp = GTalkPacketFactory.createSessionTerminate( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), sessionInitIQ.getID(), Reason.GENERAL_ERROR, reasonText); getMediaHandler().getTransportManager().close(); setState(CallPeerState.FAILED, reasonText); getProtocolProvider().getConnection().sendPacket(errResp); return; } // tell everyone we are connecting so that the audio notifications would // stop setState(CallPeerState.CONNECTED); mediaHandler.start(); }
/** * Indicates a user request to answer an incoming call from this <tt>CallPeer</tt>. * * <p>Sends an OK response to <tt>callPeer</tt>. Make sure that the call peer contains an SDP * description when you call this method. * * @throws OperationFailedException if we fail to create or send the response. */ public synchronized void answer() throws OperationFailedException { RtpDescriptionPacketExtension answer = null; try { getMediaHandler().getTransportManager().wrapupConnectivityEstablishment(); answer = getMediaHandler().generateSessionAccept(true); } catch (IllegalArgumentException e) { sessAcceptedWithNoCands = new SessionIQ(); // HACK apparently FreeSwitch need to have accept before answer = getMediaHandler().generateSessionAccept(false); SessionIQ response = GTalkPacketFactory.createSessionAccept( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), getSID(), answer); getProtocolProvider().getConnection().sendPacket(response); return; } catch (Exception exc) { logger.info("Failed to answer an incoming call", exc); // send an error response String reasonText = "Error: " + exc.getMessage(); SessionIQ errResp = GTalkPacketFactory.createSessionTerminate( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), sessionInitIQ.getID(), Reason.FAILED_APPLICATION, reasonText); setState(CallPeerState.FAILED, reasonText); getProtocolProvider().getConnection().sendPacket(errResp); return; } SessionIQ response = GTalkPacketFactory.createSessionAccept( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), getSID(), answer); // send the packet first and start the stream later in case the media // relay needs to see it before letting hole punching techniques through. if (sessAcceptedWithNoCands == null) getProtocolProvider().getConnection().sendPacket(response); try { getMediaHandler().start(); } catch (UndeclaredThrowableException e) { Throwable exc = e.getUndeclaredThrowable(); logger.info("Failed to establish a connection", exc); // send an error response String reasonText = "Error: " + exc.getMessage(); SessionIQ errResp = GTalkPacketFactory.createSessionTerminate( sessionInitIQ.getTo(), sessionInitIQ.getFrom(), sessionInitIQ.getID(), Reason.GENERAL_ERROR, reasonText); getMediaHandler().getTransportManager().close(); setState(CallPeerState.FAILED, reasonText); getProtocolProvider().getConnection().sendPacket(errResp); return; } // tell everyone we are connecting so that the audio notifications would // stop setState(CallPeerState.CONNECTED); }