def reader_polling(self, taskdata):

        if self.cReader.dataAvailable():
            datagram = NetDatagram(
            )  # catch the incoming data in this instance
            # Check the return value; if we were threaded, someone else could have
            # snagged this data before we did
            if self.cReader.getData(datagram):
                self.read_buffer = self.read_buffer + datagram.getMessage()
        while (True):
            if self.read_state == 0:
                if len(self.read_buffer) >= self.packet.header_length:
                    bytes_consumed = self.packet.header_length
                    self.packet.header = self.read_buffer[:bytes_consumed]
                    self.read_body_length = self.packet.decode_header()
                    self.read_buffer = self.read_buffer[bytes_consumed:]
                    self.read_state = 1
                else:
                    break
            if self.read_state == 1:
                if len(self.read_buffer) >= self.read_body_length:
                    bytes_consumed = self.read_body_length
                    self.packet.data = self.read_buffer[:bytes_consumed]
                    self.packet.offset = 0
                    self.read_body_length = 0
                    self.read_buffer = self.read_buffer[bytes_consumed:]
                    self.read_state = 0
                    self.new_data_callback(self.packet)

                else:
                    break
        return Task.cont
    def reader_polling(self, taskdata):

        if self.cReader.dataAvailable():
            datagram = NetDatagram()  # catch the incoming data in this instance
            # Check the return value; if we were threaded, someone else could have
            # snagged this data before we did
            if self.cReader.getData(datagram):
                self.read_buffer = self.read_buffer + datagram.getMessage()
        while (True):
            if self.read_state == 0:
                if len(self.read_buffer) >= self.packet.header_length:
                    bytes_consumed = self.packet.header_length
                    self.packet.header = self.read_buffer[:bytes_consumed]
                    self.read_body_length = self.packet.decode_header()
                    self.read_buffer = self.read_buffer[bytes_consumed:]
                    self.read_state = 1
                else:
                    break
            if self.read_state == 1:
                if len(self.read_buffer) >= self.read_body_length:
                    bytes_consumed = self.read_body_length
                    self.packet.data = self.read_buffer[:bytes_consumed]
                    self.packet.offset = 0        
                    self.read_body_length = 0
                    self.read_buffer = self.read_buffer[bytes_consumed:]
                    self.read_state = 0
                    self.new_data_callback(self.packet)

                else:
                    break
        return Task.cont