def _try_next_rtp_transport(self, failure_reason=None):
if self._stun_servers:
stun_address, stun_port = self._stun_servers.pop()
try:
stun_address = stun_address.encode() if stun_address else None
rtp_transport = RTPTransport(ice_stun_address=stun_address,
ice_stun_port=stun_port,
**self._rtp_args)
except SIPCoreError as e:
self._try_next_rtp_transport(e.args[0])
else:
self.notification_center.add_observer(self,
sender=rtp_transport)
try:
rtp_transport.set_INIT()
except SIPCoreError as e:
self.notification_center.remove_observer(
self, sender=rtp_transport)
self._try_next_rtp_transport(e.args[0])
else:
self.state = "ENDED"
self.notification_center.post_notification(
'MediaStreamDidNotInitialize',
sender=self,
data=NotificationData(reason=failure_reason))
def _try_next_rtp_transport(self, failure_reason=None):
if self._stun_servers:
stun_address, stun_port = self._stun_servers.pop()
try:
rtp_transport = RTPTransport(ice_stun_address=stun_address, ice_stun_port=stun_port, **self._rtp_args)
self.notification_center.add_observer(self, sender=rtp_transport)
rtp_transport.set_INIT()
except SIPCoreError, e:
self.notification_center.discard_observer(self, sender=rtp_transport)
self._try_next_rtp_transport(e.args[0])
def _try_next_rtp_transport(self, failure_reason=None):
if self._stun_servers:
stun_address, stun_port = self._stun_servers.pop()
try:
rtp_transport = RTPTransport(ice_stun_address=stun_address,
ice_stun_port=stun_port,
**self._rtp_args)
self.notification_center.add_observer(self,
sender=rtp_transport)
rtp_transport.set_INIT()
except SIPCoreError, e:
self.notification_center.discard_observer(self,
sender=rtp_transport)
self._try_next_rtp_transport(e.args[0])