#!/usr/bin/env python

# SPDX-License-Identifier: GPL-2.0-or-later

#

# Copyright (C) 2012 Red Hat, Inc.

#

import sys

import gi

gi.require_version("NM", "1.0")

from gi.repository import GLib, NM

#

#  This example shows how to get NMIP4Config from NMDevice after it is activated.

#

#  We listen to notify::ip4-config glib signal. This signal is trigered by D-Bus

#  PropertiesChanged for IP4Config that comes after StateChanged for NMDevice.

#

main_loop = None

def do_notify(self, property):

    print("notify: %s" % property)

    ip4cfg = self.get_ip4_config()

    if ip4cfg is not None:

        print("ip4-config: %s" % ip4cfg.get_path())

        main_loop.quit()

def state_changed(obj, arg1, arg2, arg3):

    print("State changed: New: %d, Old: %d, Reason: %d" % (arg1, arg2, arg3))

    # Device is connected

    if arg1 == 100:

        obj.connect("notify::ip4-config", do_notify)

if __name__ == "__main__":

    if len(sys.argv) != 2:

        sys.exit("Usage: %s <interface>" % sys.argv[0])

    dev_iface = sys.argv[1]

    c = NM.Client.new(None)

    dev = c.get_device_by_iface(dev_iface)

    if dev is None:

        sys.exit("Device '%s' not found" % dev_iface)

    print("Device: %s - %s" % (dev_iface, dev.get_device_type().value_name))

    print("---------------------------------------")

    dev.connect("state-changed", state_changed)

    main_loop = GLib.MainLoop()

    main_loop.run()