Publish a TopologyOpenedEvent to all topology listeners.

        :Parameters:
         - `topology_id`: A unique identifier for the topology this server
           is a part of.

def publish_topology_opened(self, topology_id):
        """Publish a TopologyOpenedEvent to all topology listeners.

        :Parameters:
         - `topology_id`: A unique identifier for the topology this server
           is a part of.
        """
        event = TopologyOpenedEvent(topology_id)
        for subscriber in self.__topology_listeners:
            try:
                subscriber.opened(event)
            except Exception:
                _handle_exception()