Python PacketFactory示例

示例#1

文件： clientsession.py 项目： cahirwpz/tpserver-py

	def packetReceived( self, packet ):
		debug( "Going to deal with %s packet.", packet.__class__.__name__ )

		if not self.__packets:
			self.__packets = PacketFactory()[ packet._version ]

		Fail = self.__packets.use( 'Fail' )

		if self.lastSeq != None and self.lastSeq >= packet._sequence:
			response = Fail( packet._sequence, "Frame", "Wrong sequence number!", [] )
		else:
			self.lastSeq = packet._sequence

			try:
				handler = CommandDispatcher()[ packet.__class__.__name__ ]( self.__packets, self.__context )
			except KeyError:
				error( "No handler for %s command!", packet._name )

				response = Fail( packet._sequence, "UnavailablePermanently", "Command '%s' not supported!" % packet._name )
			else:
				debug( "Calling %s handler method.", handler.__class__.__name__ )

				try:
					response = handler( packet )
				except Exception as ex:
					exception( "Handler for command %s failed:\n%s", packet.__class__.__name__, ex )
					response = None
				
				if not response:
					response = Fail( packet._sequence, "UnavailablePermanently", "Internal server error!", [])

		self.sendResponse( response )

示例#2

文件： clientsession.py 项目： cahirwpz/tpserver-py

class ClientSessionHandler( object ):
	def __init__( self ):
		self.__packets = None
		self.__context = ClientSessionContext()
		
		self.lastSeq = None

	def sessionStarted( self, protocol ):
		self.protocol = protocol

	def packetReceived( self, packet ):
		debug( "Going to deal with %s packet.", packet.__class__.__name__ )

		if not self.__packets:
			self.__packets = PacketFactory()[ packet._version ]

		Fail = self.__packets.use( 'Fail' )

		if self.lastSeq != None and self.lastSeq >= packet._sequence:
			response = Fail( packet._sequence, "Frame", "Wrong sequence number!", [] )
		else:
			self.lastSeq = packet._sequence

			try:
				handler = CommandDispatcher()[ packet.__class__.__name__ ]( self.__packets, self.__context )
			except KeyError:
				error( "No handler for %s command!", packet._name )

				response = Fail( packet._sequence, "UnavailablePermanently", "Command '%s' not supported!" % packet._name )
			else:
				debug( "Calling %s handler method.", handler.__class__.__name__ )

				try:
					response = handler( packet )
				except Exception as ex:
					exception( "Handler for command %s failed:\n%s", packet.__class__.__name__, ex )
					response = None
				
				if not response:
					response = Fail( packet._sequence, "UnavailablePermanently", "Internal server error!", [])

		self.sendResponse( response )

	def sendResponse( self, response ):
		if isinstance( response, list ):
			for r in response:
				self.protocol.sendPacket( r )
		else:
			self.protocol.sendPacket( response )

	def connectionLost( self, reason ):
		pass