def __init__( self, name, parent ):
StateNode.__init__( self, name, parent, initialState = self.STATE_ACTIVE )
self.log = Logger().get_instance( self.__class__.__name__ )
self.authentication = AuthenticationAdapter( 'auth_adapter', self )
self.authentication.addListener( self )
self.authentication = None #FIXME:
self.transactions = {}
self.dialogs = {}
class UserAgent(StateNode):
STATE_ACTIVE = 'Active'
def __init__( self, name, parent ):
StateNode.__init__( self, name, parent, initialState = self.STATE_ACTIVE )
self.log = Logger().get_instance( self.__class__.__name__ )
self.authentication = AuthenticationAdapter( 'auth_adapter', self )
self.authentication.addListener( self )
self.authentication = None #FIXME:
self.transactions = {}
self.dialogs = {}
def identifyEvent( self, event ):
self.log.info( str(event) )
if isinstance( event, MessageEvent ):
event.useragent = self
return event.id
elif isinstance( event, StateChangeNotification ):
return event.id
raise SipException( '[' + str(self.name) + '] ' + 'Ignoring event ' + str(event) + '.' )
def getTransaction( self, event, createIfMissing ):
#FIXME: transaction key is more complex than call-id.
key = event.message['Call-ID']
try:
transaction = self.transactions[key]
except KeyError:
if createIfMissing:
# No transaction available, create a new one.
transaction = Transaction( key, self, event )
if transaction:
transaction.addListener( self )
self.transactions[key] = transaction
else:
transaction = None
return transaction
def getDialog( self, event, createIfMissing ):
#FIXME: dialog key is more complex than call-id.
key = event.message['Call-ID']
try:
dialog = self.dialogs[key]
except KeyError:
if createIfMissing:
# No dialog available, create a new one.
dialog = Dialog( key, self, event )
if dialog:
dialog.addListener( self )
self.dialogs[key] = dialog
else:
dialog = None
return dialog
def _inActive_onRx( self, event ):
transaction = self.getTransaction( event, createIfMissing=True )
if transaction:
self.send( event, transaction, queued=False )
dialog = self.getDialog( event, createIfMissing=True )
if dialog:
self.send( event, dialog, queued=False )
event.handled = True
def inActive_onRxRequest( self, event ):
if self.authentication:
# Authenticate incoming requests.
# If the request fails authentication, a 401/407 will be sent automatically
# and event.handled will be true.
self.send( event, self.authentication, queued=False )
if not event.handled:
# Request authenticated successfully.
self._inActive_onRx( event )
def inActive_onRxResponse( self, event ):
if self.authentication:
# Check the authentication status of incoming responses.
# If the response indicates that the request failed to authentication,
# then the request will be re-sent with authentication automatically
# and event.handled will be true.
self.send( event, self.authentication, queued=False )
if not event.handled:
# Request authenticated successfully.
self._inActive_onRx( event )
def inActive_onTxRequest( self, event ):
if not event.message['UserAgent'].type:
event.message['UserAgent'] = self.query( 'sip.useragent' )
self.send( event, self.parent, False )
event.handled = True
def inActive_onTxResponse( self, event ):
if not event.message['Server'] or not event.message['Server'].type:
event.message['Server'] = self.query( 'sip.useragent' )
self.send( event, self.parent, False )
event.handled = True