mainloop.py 文件源码

def run(self):
        """ Contents of the infinite loop. """
        # Create zmq sockets
        sockets = SupvisorsZmq(self.supvisors)
        # create poller
        poller = zmq.Poller()
        # register sockets
        poller.register(sockets.internal_subscriber.socket, zmq.POLLIN)
        poller.register(sockets.puller.socket, zmq.POLLIN)
        # poll events forever
        while not self.stopping():
            socks = dict(poller.poll(500))
            # test stop condition again: if Supervisor is stopping,
            # any XML-RPC call would block this thread, and the other
            # because of the join
            if not self.stopping():
                self.check_requests(sockets, socks)
                self.check_events(sockets.internal_subscriber, socks)
        # close resources gracefully
        poller.unregister(sockets.puller.socket)
        poller.unregister(sockets.internal_subscriber.socket)
        sockets.close()