code: def run(self):
          model = self.model
          configfile = self.configfile
          interval = self.interval
          sockets = self.sockets
          model.initialize(configfile)
          if model.state == 'pause':
              logger.info(
                  "model initialized and started in pause mode, waiting for requests"
              )
          else:
              logger.info("model started and initialized, running")
          if self.tracker:
              self.register()
              atexit.register(self.unregister)
          self.process_incoming()
          counter = itertools.count()
          logger.info("Entering timeloop...")
          for i in counter:
              while model.state == "pause":
                  self.process_incoming()
              else:
                  self.process_incoming()
              if model.state == "quit":
                  break
              dt = model.get_time_step() or -1
              model.update(dt)
              if i % interval:
                  continue
              for key in self.output_vars:
                  value = model.get_var(key)
                  metadata = {'name': key, 'iteration': i}
                  logger.debug("sending {}".format(metadata))
                  if 'pub' in sockets:
                      send_array(sockets['pub'], value, metadata=metadata)
          logger.info("Finalizing...")
          model.finalize()