endpoint.py 文件源码

def _interface_poll_loop(self):
        """Greenlet: Polls host endpoints for changes to their IP addresses.

        Sends updates to the EndpointManager via the _on_iface_ips_update()
        message.

        If polling is disabled, then it reads the interfaces once and then
        stops.
        """
        known_interfaces = {}
        while True:
            known_interfaces = self._poll_interfaces(known_interfaces)
            if self.config.HOST_IF_POLL_INTERVAL_SECS <= 0:
                _log.info("Host interface polling disabled, stopping after "
                          "initial read. Further changes to host endpoint "
                          "IPs will be ignored.")
                break
            gevent.sleep(self.config.HOST_IF_POLL_INTERVAL_SECS)