コード例 #1
0
ファイル: user_agent.py プロジェクト: CaveMike/mercury
	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 = {}
コード例 #2
0
ファイル: user_agent.py プロジェクト: CaveMike/mercury
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