code: def get_parameters(self, packet_count=None):
          
          params = super(LiveRingCapture, self).get_parameters(packet_count=packet_count)
          params += ['-b', 'filesize:' + str(self.ring_file_size), '-b', 'files:' + str(self.num_ring_files), '-w', self.ring_file_name, '-P']
          return params
docs: Returns the special tshark parameters to be used according to the configuration of this class.