/**
* 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);
}
/**
* Sends enable or disable carbon packet to the server.
*
* @param enable if <tt>true</tt> sends enable packet otherwise sends disable packet.
*/
private void enableDisableCarbon(final boolean enable) {
IQ iq =
new IQ() {
@Override
public String getChildElementXML() {
return "<" + (enable ? "enable" : "disable") + " xmlns='urn:xmpp:carbons:2' />";
}
};
Packet response = null;
try {
PacketCollector packetCollector =
jabberProvider
.getConnection()
.createPacketCollector(new PacketIDFilter(iq.getPacketID()));
iq.setFrom(jabberProvider.getOurJID());
iq.setType(IQ.Type.SET);
jabberProvider.getConnection().sendPacket(iq);
response = packetCollector.nextResult(SmackConfiguration.getPacketReplyTimeout());
packetCollector.cancel();
} catch (Exception e) {
logger.error("Failed to enable carbon.", e);
}
isCarbonEnabled = false;
if (response == null) {
logger.error("Failed to enable carbon. No response is received.");
} else if (response.getError() != null) {
logger.error("Failed to enable carbon: " + response.getError());
} else if (!(response instanceof IQ) || !((IQ) response).getType().equals(IQ.Type.RESULT)) {
logger.error("Failed to enable carbon. The response is not correct.");
} else {
isCarbonEnabled = true;
}
}
/**
* 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);
}
});
}