code: def _set_time(self, m):
          '''set time for a message'''
          # really just left here for profiling
          m._timestamp = self.timestamp
          if len(m._fieldnames) > 0 and self.clock is not None:
              self.clock.set_message_timestamp(mf _set_time(self, m):
          '''set time for a message'''
          # really just left here for profiling
          m._timestamp = self.timestamp
          if len(m._fieldnames) > 0 and self.clock is not None:
              self.clock.set_message_timestamp(m)
docs: set time for a message