def _OH_session_trickle(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
session = data['session']
candidates = data['candidates']
except KeyError:
raise APIError('Invalid parameters: "session" and "candidates" must be specified')
try:
session_info = self.sessions_map[session]
except KeyError:
raise APIError('Unknown session specified: %s' % session)
if session_info.state == 'terminated':
raise APIError('Session is terminated')
block_on(self.backend.janus_trickle(self.janus_session_id, session_info.janus_handle_id, candidates))
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('Trickled ICE candidate(s) for session %s' % session)
except APIError, e:
log.error('session-trickle: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def delete_messages(self, local_uri=None, remote_uri=None, date=None, after_date=None, before_date=None, media_type=None):
block_on(self.chat_history.delete_messages(local_uri=local_uri, remote_uri=remote_uri, date=date, after_date=after_date, before_date=before_date, media_type=media_type))
block_on(self.session_history.delete_entries(local_uri=local_uri, remote_uri=remote_uri, after_date=after_date, before_date=before_date))
self.search_text = None
self.search_uris = None
self.search_local = None
self.refreshViewer()
def _OH_session_terminate(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
session = data['session']
except KeyError:
raise APIError('Invalid parameters: "session" must be specified')
try:
session_info = self.sessions_map[session]
except KeyError:
raise APIError('Unknown session specified: %s' % session)
if session_info.state not in ('connecting', 'progress', 'accepted', 'established'):
raise APIError('Invalid state for session terminate: \"%s\"' % session_info.state)
if session_info.direction == 'incoming' and session_info.state == 'connecting':
data = {'request': 'decline', 'code': 486}
else:
data = {'request': 'hangup'}
block_on(self.backend.janus_message(self.janus_session_id, session_info.janus_handle_id, data))
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('%s terminated session %s' % (session_info.account_id, session))
except APIError, e:
log.error('session-terminate: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def test_block_on_success(self):
from twisted.internet import reactor
d = reactor.resolver.getHostByName('www.google.com')
ip = block_on(d)
assert len(ip.split('.')) == 4, ip
ip2 = block_on(d)
assert ip == ip2, (ip, ip2)
def _OH_session_answer(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
session = data['session']
sdp = data['sdp']
except KeyError:
raise APIError('Invalid parameters: "session" and "sdp" must be specified')
try:
session_info = self.sessions_map[session]
except KeyError:
raise APIError('Unknown session specified: %s' % session)
if session_info.direction != 'incoming':
raise APIError('Cannot answer outgoing session')
if session_info.state != 'connecting':
raise APIError('Invalid state for session answer')
data = {'request': 'accept'}
jsep = {'type': 'answer', 'sdp': sdp}
block_on(self.backend.janus_message(self.janus_session_id, session_info.janus_handle_id, data, jsep))
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('%s answered session %s' % (session_info.account_id, session))
except APIError, e:
log.error('session-answer: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def _OH_account_unregister(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
account = data['account']
except KeyError:
raise APIError('Invalid parameters: "account" must be specified')
try:
account_info = self.accounts_map[account]
except KeyError:
raise APIError('Unknown account specified: %s' % account)
handle_id = account_info.janus_handle_id
if handle_id is not None:
block_on(self.backend.janus_detach(self.janus_session_id, handle_id))
self.backend.janus_set_event_handler(handle_id, None)
account_info.janus_handle_id = None
self.account_handles_map.pop(handle_id)
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('Account %s will unregister' % account)
except APIError, e:
log.error('account-unregister: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def do_cleanup():
if self.janus_session_id is None:
# The connection was closed, there is noting to do here
return
self.sessions_map.pop(session.id)
if session.direction == 'outgoing':
# Destroy plugin handle for outgoing sessions. For incoming ones it's the
# same as the account handle, so don't
block_on(self.backend.janus_detach(self.janus_session_id, session.janus_handle_id))
self.backend.janus_set_event_handler(session.janus_handle_id, None)
self.session_handles_map.pop(session.janus_handle_id)
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 _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 _shutdown(self):
if self.disconnecting:
return
self.disconnecting = True
self.dns_monitor.cancel()
if self.advertiser:
self.advertiser.cancel()
if self.shutdown_message:
self._publish(self.shutdown_message)
requests = [conn.protocol.unsubscribe(*self.topics) for conn in self.connections]
d = defer.DeferredList([request.deferred for request in requests])
block_on(d)
self._disconnect_all()
def _shutdown(self):
if self.disconnecting:
return
self.disconnecting = True
self.dns_monitor.cancel()
if self.advertiser:
self.advertiser.cancel()
if self.shutdown_message:
self._publish(self.shutdown_message)
requests = [conn.protocol.unsubscribe(*self.topics) for conn in self.connections]
d = defer.DeferredList([request.deferred for request in requests])
block_on(d)
self._disconnect_all()
class JanusPluginHandle(object):
backend = JanusBackend()
plugin = None
def __init__(self, session, event_handler):
if self.plugin is None:
raise TypeError(
'Cannot instantiate {0.__class__.__name__} with no associated plugin'
.format(self))
response = block_on(self.backend.attach_plugin(
session.id, self.plugin)) # type: janus.SuccessResponse
self.id = response.data.id
self.session = session
self.backend.set_event_handler(self.id, event_handler)
def __enter__(self):
return self
def __exit__(self, exception_type, exception_value, traceback):
self.detach()
def detach(self):
try:
block_on(self.backend.detach_plugin(self.session.id, self.id))
except JanusError as e:
log.warning('could not detach Janus plugin: %s', e)
self.backend.set_event_handler(self.id, None)
def message(self, body, jsep=None, async=False):
deferred = self.backend.message(self.session.id, self.id, body, jsep)
return deferred if async else block_on(deferred)
def _OH_account_register(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
account = data['account']
except KeyError:
raise APIError('Invalid parameters: "account" must be specified')
try:
account_info = self.accounts_map[account]
except KeyError:
raise APIError('Unknown account specified: %s' % account)
proxy = self._lookup_sip_proxy(account)
handle_id = account_info.janus_handle_id
if handle_id is not None:
# Destroy the existing plugin handle
block_on(self.backend.janus_detach(self.janus_session_id, handle_id))
self.backend.janus_set_event_handler(handle_id, None)
self.account_handles_map.pop(handle_id)
account_info.janus_handle_id = None
# Create a plugin handle
handle_id = block_on(self.backend.janus_attach(self.janus_session_id, 'janus.plugin.sip'))
self.backend.janus_set_event_handler(handle_id, self._handle_janus_event)
account_info.janus_handle_id = handle_id
self.account_handles_map[handle_id] = account_info
data = {'request': 'register',
'username': account_info.uri,
'ha1_secret': account_info.password,
'proxy': proxy}
block_on(self.backend.janus_message(self.janus_session_id, handle_id, data))
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('Account %s will register' % account)
except APIError, e:
log.error('account-register: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def __init__(self, session, event_handler):
if self.plugin is None:
raise TypeError(
'Cannot instantiate {0.__class__.__name__} with no associated plugin'
.format(self))
response = block_on(self.backend.attach_plugin(
session.id, self.plugin)) # type: janus.SuccessResponse
self.id = response.data.id
self.session = session
self.backend.set_event_handler(self.id, event_handler)
def _create_janus_session(self):
if self.ready_event.is_set():
data = dict(sylkrtc='event', event='ready')
self._send_data(json.dumps(data))
return
try:
self.janus_session_id = block_on(self.backend.janus_create_session())
self.backend.janus_start_keepalive(self.janus_session_id)
except Exception, e:
log.warn('Error creating session, disconnecting: %s' % e)
self.disconnect(3000, unicode(e))
return
def _OH_session_create(self, data):
transaction = data.get('transaction', None)
if transaction is None:
log.warn('Transaction not specified!')
return
try:
try:
account = data['account']
session = data['session']
uri = data['uri']
sdp = data['sdp']
except KeyError:
raise APIError('Invalid parameters: "account", "session", "uri" and "sdp" must be specified')
try:
account_info = self.accounts_map[account]
except KeyError:
raise APIError('Unknown account specified: %s' % account)
if session in self.sessions_map:
raise APIError('Session ID (%s) already in use' % session)
# Create a new plugin handle and 'register' it, without actually doing so
handle_id = block_on(self.backend.janus_attach(self.janus_session_id, 'janus.plugin.sip'))
self.backend.janus_set_event_handler(handle_id, self._handle_janus_event)
try:
proxy = self._lookup_sip_proxy(account_info.id)
except DNSLookupError:
block_on(self.backend.janus_detach(self.janus_session_id, handle_id))
self.backend.janus_set_event_handler(handle_id, None)
raise APIError('DNS lookup error')
account_uri = 'sip:%s' % account_info.id
data = {'request': 'register', 'username': account_uri, 'ha1_secret': account_info.password, 'proxy': proxy, 'send_register': False}
block_on(self.backend.janus_message(self.janus_session_id, handle_id, data))
session_info = JanusSessionInfo(session)
session_info.janus_handle_id = handle_id
session_info.init_outgoing(account, uri)
self.sessions_map[session_info.id] = session_info
self.session_handles_map[handle_id] = session_info
data = {'request': 'call', 'uri': 'sip:%s' % SIP_PREFIX_RE.sub('', uri)}
jsep = {'type': 'offer', 'sdp': sdp}
block_on(self.backend.janus_message(self.janus_session_id, handle_id, data, jsep))
data = dict(sylkrtc='ack', transaction=transaction)
self._send_data(json.dumps(data))
log.msg('Outgoing session %s from %s to %s created' % (session, account, uri))
except APIError, e:
log.error('session-create: %s' % e)
data = dict(sylkrtc='error', transaction=transaction, error=str(e))
self._send_data(json.dumps(data))
def detach(self):
try:
block_on(self.backend.detach_plugin(self.session.id, self.id))
except JanusError as e:
log.warning('could not detach Janus plugin: %s', e)
self.backend.set_event_handler(self.id, None)
def test_block_on_already_succeed(self):
d = defer.succeed('hey corotwine')
res = block_on(d)
assert res == 'hey corotwine', ` res `
def __init__(self):
response = block_on(
self.backend.create_session()) # type: janus.SuccessResponse
self.id = response.data.id
self.detach()
def detach(self):
try:
block_on(self.backend.detach_plugin(self.session.id, self.id))
except JanusError as e:
log.warning('could not detach Janus plugin: %s', e)
self.backend.set_event_handler(self.id, None)
def message(self, body, jsep=None, async=False):
deferred = self.backend.message(self.session.id, self.id, body, jsep)
return deferred if async else block_on(deferred)
def trickle(self, candidates, async=False):
deferred = self.backend.trickle(self.session.id, self.id, candidates)
return deferred if async else block_on(deferred)
class GenericPluginHandle(JanusPluginHandle):
def __init__(self, plugin, session, event_handler):
self.plugin = plugin
super(GenericPluginHandle, self).__init__(session, event_handler)
class SIPPluginHandle(JanusPluginHandle):
plugin = 'janus.plugin.sip'
def register(self, account, proxy=None):
self.message(janus.SIPRegister(proxy=proxy, **account.user_data))
def unregister(self):
def _OH_AcceptOperation(self, operation):
if self.state != 'incoming':
return
notification_center = NotificationCenter()
settings = SIPSimpleSettings()
streams = operation.streams
for stream in self.proposed_streams:
if stream in streams:
notification_center.add_observer(self, sender=stream)
stream.initialize(self, direction='incoming')
try:
wait_count = len(self.proposed_streams)
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidInitialize':
wait_count -= 1
remote_sdp = self._sdp_negotiator.current_remote
local_ip = SIPConfig.local_ip.normalized
local_sdp = SDPSession(local_ip, connection=SDPConnection(local_ip), name=settings.user_agent)
stream_map = dict((stream.index, stream) for stream in self.proposed_streams)
for index, media in enumerate(remote_sdp.media):
stream = stream_map.get(index, None)
if stream is not None:
media = stream.get_local_media(remote_sdp=remote_sdp, index=index)
else:
media = SDPMediaStream.new(media)
media.port = 0
media.attributes = []
local_sdp.media.append(media)
try:
self._sdp_negotiator.set_local_answer(local_sdp)
self._sdp_negotiator.negotiate()
except SIPCoreError, e:
self._fail(originator='local', reason='incompatible-parameters', description=str(e))
return
self.local_focus = operation.is_focus
notification_center.post_notification('JingleSessionWillStart', sender=self)
# Get active SDPs (negotiator may make changes)
local_sdp = self._sdp_negotiator.active_local
remote_sdp = self._sdp_negotiator.active_remote
# Build the payload and send it over
payload = sdp_to_jingle(local_sdp)
payload.sid = self._id
if self.local_focus:
payload.conference_info = jingle.ConferenceInfo(True)
stanza = self._protocol.sessionAccept(self._local_jid, self._remote_jid, payload)
d = self._send_stanza(stanza)
block_on(d)
wait_count = 0
stream_map = dict((stream.index, stream) for stream in self.proposed_streams)
for index, local_media in enumerate(local_sdp.media):
remote_media = remote_sdp.media[index]
stream = stream_map.get(index, None)
if stream is not None:
if remote_media.port:
wait_count += 1
stream.start(local_sdp, remote_sdp, index)
else:
notification_center.remove_observer(self, sender=stream)
self.proposed_streams.remove(stream)
del stream_map[stream.index]
stream.deactivate()
stream.end()
removed_streams = [stream for stream in self.proposed_streams if stream.index >= len(local_sdp.media)]
for stream in removed_streams:
notification_center.remove_observer(self, sender=stream)
self.proposed_streams.remove(stream)
del stream_map[stream.index]
stream.deactivate()
stream.end()
with api.timeout(self.media_stream_timeout):
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidStart':
wait_count -= 1
def _OH_ConnectOperation(self, operation):
if self.state is not None:
return
settings = SIPSimpleSettings()
notification_center = NotificationCenter()
self.direction = 'outgoing'
self.state = 'connecting'
self.proposed_streams = operation.streams
self.local_focus = operation.is_focus
self._id = random_id()
self._local_identity = operation.sender
self._remote_identity = operation.recipient
self._local_jid = self._local_identity.uri.as_xmpp_jid()
self._remote_jid = self._remote_identity.uri.as_xmpp_jid()
notification_center.post_notification(
'JingleSessionNewOutgoing', self,
NotificationData(streams=operation.streams))
for stream in self.proposed_streams:
notification_center.add_observer(self, sender=stream)
stream.initialize(self, direction='outgoing')
try:
wait_count = len(self.proposed_streams)
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidInitialize':
wait_count -= 1
# Build local SDP and negotiator
local_ip = SIPConfig.local_ip.normalized
local_sdp = SDPSession(local_ip,
connection=SDPConnection(local_ip),
name=settings.user_agent)
for index, stream in enumerate(self.proposed_streams):
stream.index = index
media = stream.get_local_media(remote_sdp=None, index=index)
local_sdp.media.append(media)
self._sdp_negotiator = SDPNegotiator.create_with_local_offer(
local_sdp)
# Build the payload and send it over
payload = sdp_to_jingle(local_sdp)
payload.sid = self._id
if self.local_focus:
payload.conference_info = jingle.ConferenceInfo(True)
stanza = self._protocol.sessionInitiate(self._local_jid,
self._remote_jid, payload)
d = self._send_stanza(stanza)
block_on(d)
except (MediaStreamDidNotInitializeError, MediaStreamDidFailError,
IqTimeoutError, StanzaError, SIPCoreError) as e:
for stream in self.proposed_streams:
notification_center.remove_observer(self, sender=stream)
stream.deactivate()
stream.end()
if isinstance(e, IqTimeoutError):
error = 'timeout sending IQ stanza'
elif isinstance(e, StanzaError):
error = str(e.condition)
elif isinstance(e, SIPCoreError):
error = str(e)
else:
error = 'media stream failed: %s' % e.data.reason
self.state = 'terminated'
NotificationCenter().post_notification('JingleSessionDidFail',
sender=self,
data=NotificationData(
originator='local',
reason=error))
self._channel.send_exception(proc.ProcExit)
else:
self._timer = reactor.callLater(settings.sip.invite_timeout,
self.end)
def _OH_ConnectOperation(self, operation):
if self.state is not None:
return
settings = SIPSimpleSettings()
notification_center = NotificationCenter()
self.direction = 'outgoing'
self.state = 'connecting'
self.proposed_streams = operation.streams
self.local_focus = operation.is_focus
self._id = random_id()
self._local_identity = operation.sender
self._remote_identity = operation.recipient
self._local_jid = self._local_identity.uri.as_xmpp_jid()
self._remote_jid = self._remote_identity.uri.as_xmpp_jid()
notification_center.post_notification('JingleSessionNewOutgoing', self, NotificationData(streams=operation.streams))
for stream in self.proposed_streams:
notification_center.add_observer(self, sender=stream)
stream.initialize(self, direction='outgoing')
try:
wait_count = len(self.proposed_streams)
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidInitialize':
wait_count -= 1
# Build local SDP and negotiator
local_ip = SIPConfig.local_ip.normalized
local_sdp = SDPSession(local_ip, connection=SDPConnection(local_ip), name=settings.user_agent)
for index, stream in enumerate(self.proposed_streams):
stream.index = index
media = stream.get_local_media(remote_sdp=None, index=index)
local_sdp.media.append(media)
self._sdp_negotiator = SDPNegotiator.create_with_local_offer(local_sdp)
# Build the payload and send it over
payload = sdp_to_jingle(local_sdp)
payload.sid = self._id
if self.local_focus:
payload.conference_info = jingle.ConferenceInfo(True)
stanza = self._protocol.sessionInitiate(self._local_jid, self._remote_jid, payload)
d = self._send_stanza(stanza)
block_on(d)
except (MediaStreamDidNotInitializeError, MediaStreamDidFailError, IqTimeoutError, StanzaError, SIPCoreError), e:
for stream in self.proposed_streams:
notification_center.remove_observer(self, sender=stream)
stream.deactivate()
stream.end()
if isinstance(e, IqTimeoutError):
error = 'timeout sending IQ stanza'
elif isinstance(e, StanzaError):
error = str(e.condition)
elif isinstance(e, SIPCoreError):
error = str(e)
else:
error = 'media stream failed: %s' % e.data.reason
self.state = 'terminated'
NotificationCenter().post_notification('JingleSessionDidFail', sender=self, data=NotificationData(originator='local', reason=error))
self._channel.send_exception(proc.ProcExit)
def _OH_AcceptOperation(self, operation):
if self.state != 'incoming':
return
notification_center = NotificationCenter()
settings = SIPSimpleSettings()
streams = operation.streams
for stream in self.proposed_streams:
if stream in streams:
notification_center.add_observer(self, sender=stream)
stream.initialize(self, direction='incoming')
try:
wait_count = len(self.proposed_streams)
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidInitialize':
wait_count -= 1
remote_sdp = self._sdp_negotiator.current_remote
local_ip = SIPConfig.local_ip.normalized
local_sdp = SDPSession(local_ip,
connection=SDPConnection(local_ip),
name=settings.user_agent)
stream_map = dict(
(stream.index, stream) for stream in self.proposed_streams)
for index, media in enumerate(remote_sdp.media):
stream = stream_map.get(index, None)
if stream is not None:
media = stream.get_local_media(remote_sdp=remote_sdp,
index=index)
else:
media = SDPMediaStream.new(media)
media.port = 0
media.attributes = []
local_sdp.media.append(media)
try:
self._sdp_negotiator.set_local_answer(local_sdp)
self._sdp_negotiator.negotiate()
except SIPCoreError as e:
self._fail(originator='local',
reason='incompatible-parameters',
description=str(e))
return
self.local_focus = operation.is_focus
notification_center.post_notification('JingleSessionWillStart',
sender=self)
# Get active SDPs (negotiator may make changes)
local_sdp = self._sdp_negotiator.active_local
remote_sdp = self._sdp_negotiator.active_remote
# Build the payload and send it over
payload = sdp_to_jingle(local_sdp)
payload.sid = self._id
if self.local_focus:
payload.conference_info = jingle.ConferenceInfo(True)
stanza = self._protocol.sessionAccept(self._local_jid,
self._remote_jid, payload)
d = self._send_stanza(stanza)
block_on(d)
wait_count = 0
stream_map = dict(
(stream.index, stream) for stream in self.proposed_streams)
for index, local_media in enumerate(local_sdp.media):
remote_media = remote_sdp.media[index]
stream = stream_map.get(index, None)
if stream is not None:
if remote_media.port:
wait_count += 1
stream.start(local_sdp, remote_sdp, index)
else:
notification_center.remove_observer(self,
sender=stream)
self.proposed_streams.remove(stream)
del stream_map[stream.index]
stream.deactivate()
stream.end()
removed_streams = [
stream for stream in self.proposed_streams
if stream.index >= len(local_sdp.media)
]
for stream in removed_streams:
notification_center.remove_observer(self, sender=stream)
self.proposed_streams.remove(stream)
del stream_map[stream.index]
stream.deactivate()
stream.end()
with api.timeout(self.media_stream_timeout):
while wait_count > 0:
notification = operation.channel.wait()
if notification.name == 'MediaStreamDidStart':
wait_count -= 1
except (MediaStreamDidNotInitializeError, MediaStreamDidFailError,
api.TimeoutError, IqTimeoutError, StanzaError) as e:
for stream in self.proposed_streams:
notification_center.remove_observer(self, sender=stream)
stream.deactivate()
stream.end()
if isinstance(e, api.TimeoutError):
error = 'media stream timed out while starting'
elif isinstance(e, IqTimeoutError):
error = 'timeout sending IQ stanza'
elif isinstance(e, StanzaError):
error = str(e.condition)
else:
error = 'media stream failed: %s' % e.data.reason
self._fail(originator='local',
reason='failed-application',
description=error)
else:
self.state = 'connected'
self.streams = self.proposed_streams
self.proposed_streams = None
self.start_time = datetime.now()
notification_center.post_notification(
'JingleSessionDidStart', self,
NotificationData(streams=self.streams))
