def call(self, account_name, callee, wave_file, length=None):
logging.info("calling from: %s - to: %s", account_name, callee)
# Setup wave playback
self.player = WavePlayer(SIPApplication.voice_audio_mixer, wave_file, loop_count=0, initial_play=False)
# configure callee and route to him/her
callee_header = ToHeader(SIPURI.parse(callee))
routes = [Route("62.220.31.184", 5060, "udp")]
# locate caller
account = self.accounts.get(account_name, None)
if account is None:
raise Exception("No account with that name found")
# finally make the call
session = Session(account)
session.connect(callee_header, routes, [AudioStream()])
# if we got a length, end the call after it
if not length is None:
time.sleep(length)
session.end()
class SessionItem(object):
implements(IObserver)
def __init__(self):
self.name = None
self.uri = None
self.session = None
self.streams = {}
self.initialized = False
self.timer = LoopingCall(self._timer_fired)
self.outbound_ringtone = Null
self.offer_in_progress = False
self.local_hold = False
self.remote_hold = False
self._active = False
self._codec_info = u''
self._tls = False
self._srtp = False
self._duration = timedelta(0)
self._latency = 0
self._packet_loss = 0
self.status = None
self.notification_center = NotificationCenter()
def init_incoming(self, session, streams):
self.name = session.remote_identity.display_name
self.uri = session.remote_identity.uri
self.session = session
for stream in streams:
self._set_stream(stream.type, stream)
self.initialized = True
self.notification_center.add_observer(self, sender=self.session)
self.notification_center.post_notification('SessionItemNewIncoming', sender=self)
def init_outgoing(self, name, uri, streams, account):
self.name = name
self.uri = uri
self.session = Session(account)
for stream in streams:
self._set_stream(stream.type, stream)
self.initialized = True
self.notification_center.add_observer(self, sender=self.session)
self.notification_center.post_notification('SessionItemNewOutgoing', sender=self)
def _set_stream(self, stream_type, stream):
old_stream = self.streams.get(stream_type, None)
self.streams[stream_type] = stream
if old_stream is not None:
self.notification_center.remove_observer(self, sender=old_stream)
if stream_type == 'audio':
self.hold_tone = Null
if stream is not None:
self.notification_center.add_observer(self, sender=stream)
if stream_type == 'audio':
self.hold_tone = WavePlayer(stream.bridge.mixer, Resources.get('sounds/hold_tone.wav'), loop_count=0, pause_time=45, volume=30)
stream.bridge.add(self.hold_tone)
@property
def audio_stream(self):
return self.streams.get('audio', None)
@property
def video_stream(self):
return self.streams.get('video', None)
@property
def codec_info(self):
return self._codec_info
@property
def tls(self):
return self._tls
@property
def srtp(self):
return self._srtp
@property
def duration(self):
return self._duration
@property
def latency(self):
return self._latency
@property
def packet_loss(self):
return self._packet_loss
def _get_status(self):
return self.__dict__.get('status', None)
def _set_status(self, value):
old_value = self.__dict__.get('status', None)
if old_value == value:
return
self.__dict__['status'] = value
self.notification_center.post_notification('SessionItemDidChange', sender=self)
status = property(_get_status, _set_status)
@property
def pending_removal(self):
return not bool(self.streams.values())
def _get_active(self):
return self._active
def _set_active(self, value):
value = bool(value)
if self._active == value:
return
self._active = value
if self.audio_stream:
self.audio_stream.device.output_muted = not value
if value:
self.unhold()
self.notification_center.post_notification('SessionItemDidActivate', sender=self)
else:
self.hold()
self.notification_center.post_notification('SessionItemDidDeactivate', sender=self)
active = property(_get_active, _set_active)
del _get_active, _set_active
def connect(self):
self.offer_in_progress = True
account = self.session.account
settings = SIPSimpleSettings()
if isinstance(account, Account):
if account.sip.outbound_proxy is not None:
proxy = account.sip.outbound_proxy
uri = SIPURI(host=proxy.host, port=proxy.port, parameters={'transport': proxy.transport})
elif account.sip.always_use_my_proxy:
uri = SIPURI(host=account.id.domain)
else:
uri = self.uri
else:
uri = self.uri
self.status = u'Looking up destination'
lookup = DNSLookup()
self.notification_center.add_observer(self, sender=lookup)
lookup.lookup_sip_proxy(uri, settings.sip.transport_list)
def hold(self):
if not self.pending_removal and not self.local_hold:
self.local_hold = True
self.session.hold()
self.hold_tone.start()
def unhold(self):
if not self.pending_removal and self.local_hold:
self.local_hold = False
self.session.unhold()
def send_dtmf(self, digit):
if self.audio_stream is not None:
try:
self.audio_stream.send_dtmf(digit)
except RuntimeError:
pass
else:
digit_map = {'*': 'star'}
filename = 'sounds/dtmf_%s_tone.wav' % digit_map.get(digit, digit)
player = WavePlayer(SIPApplication.voice_audio_bridge.mixer, Resources.get(filename))
self.notification_center.add_observer(self, sender=player)
if self.session.account.rtp.inband_dtmf:
self.audio_stream.bridge.add(player)
SIPApplication.voice_audio_bridge.add(player)
player.start()
def end(self):
if self.session.state is None:
self.status = u'Call canceled'
self._cleanup()
else:
self.session.end()
def _cleanup(self):
if self.timer.running:
self.timer.stop()
self.notification_center.remove_observer(self, sender=self.session)
for k in self.streams.keys():
self._set_stream(k, None)
player = WavePlayer(SIPApplication.voice_audio_bridge.mixer, Resources.get('sounds/hangup_tone.wav'), volume=60)
self.notification_center.add_observer(self, sender=player)
SIPApplication.voice_audio_bridge.add(player)
player.start()
self.notification_center.post_notification('SessionItemDidEnd', sender=self)
def _reset_status(self):
if self.pending_removal or self.offer_in_progress:
return
if self.local_hold:
self.status = u'On hold'
elif self.remote_hold:
self.status = u'Hold by remote'
else:
self.status = None
def _set_codec_info(self):
codecs = []
if self.video_stream is not None:
desc = 'HD Video' if self.video_stream.bit_rate/1024 >= 512 else 'Video'
codecs.append('[%s] %s %dkbit' % (desc, self.video_stream.codec, self.video_stream.bit_rate/1024))
if self.audio_stream is not None:
desc = 'HD Audio' if self.audio_stream.sample_rate/1000 >= 16 else 'Audio'
codecs.append('[%s] %s %dkHz' % (desc, self.audio_stream.codec, self.audio_stream.sample_rate/1000))
self._codec_info = ', '.join(codecs)
def _timer_fired(self):
if self.audio_stream is not None:
stats = self.audio_stream.statistics
if stats is not None:
self._latency = stats['rtt']['avg'] / 1000
self._packet_loss = int(stats['rx']['packets_lost']*100.0/stats['rx']['packets']) if stats['rx']['packets'] else 0
self._duration += timedelta(seconds=1)
self.notification_center.post_notification('SessionItemDidChange', sender=self)
def handle_notification(self, notification):
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
def _NH_AudioStreamICENegotiationStateDidChange(self, notification):
if notification.data.state == 'GATHERING':
self.status = u'Gathering ICE candidates'
elif notification.data.state == 'NEGOTIATING':
self.status = u'Negotiating ICE'
elif notification.data.state == 'RUNNING':
self.status = u'Connecting...'
elif notification.data.state == 'FAILED':
self.status = u'ICE failed'
def _NH_AudioStreamGotDTMF(self, notification):
digit_map = {'*': 'star'}
filename = 'sounds/dtmf_%s_tone.wav' % digit_map.get(notification.data.digit, notification.data.digit)
player = WavePlayer(SIPApplication.voice_audio_bridge.mixer, Resources.get(filename))
notification.center.add_observer(self, sender=player)
SIPApplication.voice_audio_bridge.add(player)
player.start()
def _NH_DNSLookupDidSucceed(self, notification):
settings = SIPSimpleSettings()
notification.center.remove_observer(self, sender=notification.sender)
if self.pending_removal:
return
if self.audio_stream:
outbound_ringtone = settings.sounds.outbound_ringtone
if outbound_ringtone:
self.outbound_ringtone = WavePlayer(self.audio_stream.mixer, outbound_ringtone.path, outbound_ringtone.volume, loop_count=0, pause_time=5)
self.audio_stream.bridge.add(self.outbound_ringtone)
routes = notification.data.result
self._tls = routes[0].transport=='tls' if routes else False
self.status = u'Connecting...'
self.session.connect(ToHeader(self.uri), routes, self.streams.values())
def _NH_DNSLookupDidFail(self, notification):
notification.center.remove_observer(self, sender=notification.sender)
if self.pending_removal:
return
self.status = u'Destination not found'
self._cleanup()
def _NH_SIPSessionGotRingIndication(self, notification):
self.status = u'Ringing...'
self.outbound_ringtone.start()
def _NH_SIPSessionWillStart(self, notification):
self.outbound_ringtone.stop()
def _NH_SIPSessionDidStart(self, notification):
if self.audio_stream not in notification.data.streams:
self._set_stream('audio', None)
if self.video_stream not in notification.data.streams:
self._set_stream('video', None)
# TODO: rework the above code
if not self.local_hold:
self.offer_in_progress = False
if not self.pending_removal:
self.timer.start(1)
self._set_codec_info()
self.status = u'Connected'
self._srtp = all(stream.srtp_active for stream in (self.audio_stream, self.video_stream) if stream is not None)
self._tls = self.session.transport == 'tls'
reactor.callLater(1, self._reset_status)
else:
self.status = u'Ending...'
self._cleanup()
def _NH_SIPSessionDidFail(self, notification):
self.offer_in_progress = False
if notification.data.failure_reason == 'user request':
if notification.data.code == 487:
reason = u'Call canceled'
else:
reason = unicode(notification.data.reason)
else:
reason = notification.data.failure_reason
self.status = reason
self.outbound_ringtone.stop()
self._cleanup()
def _NH_SIPSessionDidEnd(self, notification):
self.offer_in_progress = False
self.status = u'Call ended' if notification.data.originator=='local' else u'Call ended by remote'
self._cleanup()
def _NH_SIPSessionDidChangeHoldState(self, notification):
if notification.data.originator == 'remote':
self.remote_hold = notification.data.on_hold
if self.local_hold:
if not self.offer_in_progress:
self.status = u'On hold'
elif self.remote_hold:
if not self.offer_in_progress:
self.status = u'Hold by remote'
self.hold_tone.start()
else:
self.status = None
self.hold_tone.stop()
self.offer_in_progress = False
def _NH_SIPSessionGotAcceptProposal(self, notification):
if self.audio_stream not in notification.data.proposed_streams and self.video_stream not in notification.data.proposed_streams:
return
if self.audio_stream in notification.data.proposed_streams and self.audio_stream not in notification.data.streams:
self._set_stream('audio', None)
if self.video_stream in notification.data.proposed_streams and self.video_stream not in notification.data.streams:
self._set_stream('video', None)
# TODO: rework the above
self.offer_in_progress = False
if not self.pending_removal:
self._set_codec_info()
self.status = u'Connected'
reactor.callLater(1, self._reset_status)
else:
self.status = u'Ending...'
self._cleanup()
def _NH_SIPSessionGotRejectProposal(self, notification):
if self.audio_stream not in notification.data.streams and self.video_stream not in notification.data.streams:
return
if self.audio_stream in notification.data.streams:
self._set_stream('audio', None)
if self.video_stream in notification.data.streams:
self._set_stream('video', None)
# TODO: rework the above
self.offer_in_progress = False
self.status = u'Stream refused'
if not self.pending_removal:
self._set_codec_info()
reactor.callLater(1, self._reset_status)
else:
self._cleanup()
def _NH_SIPSessionDidRenegotiateStreams(self, notification):
if notification.data.action != 'remove':
# TODO: what?
return
if self.audio_stream not in notification.data.streams and self.video_stream not in notification.data.streams:
return
if self.audio_stream in notification.data.streams:
self._set_stream('audio', None)
if self.video_stream in notification.data.streams:
self._set_stream('video', None)
# TODO: rework the above
self.offer_in_progress = False
self.status = u'Stream removed'
if not self.pending_removal:
self._set_codec_info()
reactor.callLater(1, self._reset_status)
else:
self._cleanup()
def _NH_WavePlayerDidFail(self, notification):
notification.center.remove_observer(self, sender=notification.sender)
def _NH_WavePlayerDidEnd(self, notification):
notification.center.remove_observer(self, sender=notification.sender)