code: def record_received(self, msg):
          
          release_lock = False
          userdata = msg.userdata
          rec = ALDBRecord.create_from_userdata(userdata)
          self._records[rec.mem_addr] = rec
  
          _LOGGER.debug('ALDB Record: %s', rec)
  
          rec_count = self._load_action.rec_count
          if rec_count == 1 or self._have_all_records():
              release_lock = True
  
          if self._is_first_record(rec):
              self._mem_addr = rec.mem_addr
  
          if release_lock and self._rec_mgr_lock.locked():
              _LOGGER.debug('Releasing lock because record received')
              self._rec_mgr_lock.release()
docs: Handle ALDB record received from device.