bluenet.py 文件源码

def _listen_for_wifi_state_changes(self):
        dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

        def print_status(status, nm_state):
            if status in (WifiConnectionState.CONNECTING, WifiConnectionState.CONNECTED):
                logger.info("Wifi status changed: %s (%d) to %s" % (status, nm_state, self._current_ssid))
            else:
                logger.info("Wifi status changed: %s (%d)" % (status, nm_state))

        def on_state_changed(nm_instance, nm_state, **kwargs):

            if nm_state >= NetworkManager.NM_STATE_CONNECTED_GLOBAL:
                new_status = WifiConnectionState.CONNECTED
            elif nm_state > NetworkManager.NM_STATE_DISCONNECTING:
                new_status = WifiConnectionState.CONNECTING
            else:
                new_status = WifiConnectionState.DISCONNECTED

            self._update_current_ssid()

            if new_status == self._wifi_status:
                return

            print_status(new_status, nm_state)
            self._wifi_status = new_status
            self._on_wifi_status_changed()

        # check initial status:
        initial_state = NetworkManager.NetworkManager.State
        on_state_changed(None, initial_state)

        # listen for changes:
        NetworkManager.NetworkManager.OnStateChanged(on_state_changed)
        logger.debug("Start listening to network status changes")
        # Attention: a GObject.MainLoop() is required for this to work
        # in this case it is started by the BLE Peripheral object