class_docstr: This publisher will handle failures and closures and will
  attempt to restart things
  
  delivery confirmations are used to track messages that have
  been sent and if they have been confirmed
docstr: Blocking run loop, connecting and then starting the IOLoop.
docstr_tok: ["Blocking","run","loop",",","connecting","and","then","starting","the","IOLoop","."]
code: def _run(self):
      """
      Blocking run loop, connecting and then starting the IOLoop.
      """
      self._logger.info("RMQ started")
      with self._msg_tracking_lock:
          self._deliveries = []
          self._acked = 0
          self._nacked = 0
          self._message_number = 0
      while not self._stopping:
          self._connection = None
  
          try:
              with self._rmq_lock:
                  self._connection = self.connect()
              self._logger.info("RMQ connected")
              self._connection.ioloop.start()
          except KeyboardInterrupt:
              self.stop()
              if self._connection_is_valid():
                  # Finish closing
                  self._connection.ioloop.start()
  
      self._logger.info("RMQ stopped")
  
imports: import time
  import threading
  import pika
  from studio.storage.storage_setup import get_storage_verbose_level
  from studio.util import logs
label_desc: Use image node_id 23 for calling the RMQueue obj's underlying member method code with example usage: obj._run() without return types