def _start_outgoing_jingle_session(self, streams):
if self.xmpp_identity.uri.resource is not None:
self.sip_session.reject()
return
xmpp_manager = XMPPManager()
local_jid = self.sip_identity.uri.as_xmpp_jid()
remote_jid = self.xmpp_identity.uri.as_xmpp_jid()
# If this was an invitation to a conference, use the information in the Referred-By header
if self.sip_identity.uri.host in xmpp_manager.muc_domains and self.sip_session.transfer_info and self.sip_session.transfer_info.referred_by:
try:
referred_by_uri = SIPURI.parse(self.sip_session.transfer_info.referred_by)
except SIPCoreError:
self.sip_session.reject(488)
return
else:
inviter_uri = FrozenURI(referred_by_uri.user, referred_by_uri.host)
local_jid = inviter_uri.as_xmpp_jid()
# Use disco to gather potential JIDs to call
d = xmpp_manager.disco_client_protocol.requestItems(remote_jid, sender=local_jid)
try:
items = block_on(d)
except Exception:
items = []
if not items:
self.sip_session.reject(480)
return
# Check which items support Jingle
valid = []
for item in items:
d = xmpp_manager.disco_client_protocol.requestInfo(item.entity, nodeIdentifier=item.nodeIdentifier, sender=local_jid)
try:
info = block_on(d)
except Exception:
continue
if jingle.NS_JINGLE in info.features and jingle.NS_JINGLE_APPS_RTP in info.features:
valid.append(item.entity)
if not valid:
self.sip_session.reject(480)
return
# TODO: start multiple sessions?
self._xmpp_identity = Identity(FrozenURI.parse(valid[0]))
notification_center = NotificationCenter()
if self.sip_identity.uri.host in xmpp_manager.muc_domains:
self.jingle_session = JingleSession(xmpp_manager.jingle_coin_protocol)
else:
self.jingle_session = JingleSession(xmpp_manager.jingle_protocol)
notification_center.add_observer(self, sender=self.jingle_session)
self.jingle_session.connect(self.sip_identity, self.xmpp_identity, streams, is_focus=self.sip_session.remote_focus)
def _NH_XMPPGotJingleSessionInitiate(self, notification):
stanza = notification.data.stanza
try:
self.jingle_session_manager.sessions[stanza.jingle.sid]
except KeyError:
session = JingleSession(notification.data.protocol)
session.init_incoming(stanza)
session.send_ring_indication()
