/** * Initiate a Google Talk session {@link SessionIQ}. * * @param sessionInitiateExtensions a collection of additional and optional * <tt>PacketExtension</tt>s to be added to the <tt>initiate</tt> {@link SessionIQ} which is * to initiate the session with this <tt>CallPeerGTalkImpl</tt> * @throws OperationFailedException exception */ protected synchronized void initiateSession(Iterable<PacketExtension> sessionInitiateExtensions) throws OperationFailedException { sid = SessionIQ.generateSID(); initiator = false; // Create the media description that we'd like to send to the other side. RtpDescriptionPacketExtension offer = getMediaHandler().createDescription(); ProtocolProviderServiceJabberImpl protocolProvider = getProtocolProvider(); sessionInitIQ = GTalkPacketFactory.createSessionInitiate( protocolProvider.getOurJID(), this.peerJID, sid, offer); if (sessionInitiateExtensions != null) { for (PacketExtension sessionInitiateExtension : sessionInitiateExtensions) { sessionInitIQ.addExtension(sessionInitiateExtension); } } protocolProvider.getConnection().sendPacket(sessionInitIQ); // for Google Voice JID without resource we do not harvest and send // candidates if (getAddress().endsWith(ProtocolProviderServiceJabberImpl.GOOGLE_VOICE_DOMAIN)) { return; } getMediaHandler() .harvestCandidates( offer.getPayloadTypes(), new CandidatesSender() { public void sendCandidates(Iterable<GTalkCandidatePacketExtension> candidates) { CallPeerGTalkImpl.this.sendCandidates(candidates); } }); }
/** * Sends local candidate addresses from the local peer to the remote peer using the * <tt>candidates</tt> {@link SessionIQ}. * * @param candidates the local candidate addresses to be sent from the local peer to the remote * peer using the <tt>candidates</tt> {@link SessionIQ} */ protected void sendCandidates(Iterable<GTalkCandidatePacketExtension> candidates) { ProtocolProviderServiceJabberImpl protocolProvider = getProtocolProvider(); SessionIQ candidatesIQ = new SessionIQ(); candidatesIQ.setGTalkType(GTalkType.CANDIDATES); candidatesIQ.setFrom(protocolProvider.getOurJID()); candidatesIQ.setInitiator(isInitiator() ? getAddress() : protocolProvider.getOurJID()); candidatesIQ.setID(getSID()); candidatesIQ.setTo(getAddress()); candidatesIQ.setType(IQ.Type.SET); for (GTalkCandidatePacketExtension candidate : candidates) { // Android phone and Google Talk client does not seems to like IPv6 // candidates since it reject the IQ candidates with an error // so do not send IPv6 candidates to Android phone or Talk client if (isAndroidOrVtokOrTalkClient(getAddress()) && NetworkUtils.isIPv6Address(candidate.getAddress())) continue; candidatesIQ.addExtension(candidate); } protocolProvider.getConnection().sendPacket(candidatesIQ); }