#!/usr/bin/python

import gobject

import dbus
import dbus.mainloop.glib

from dbus.lowlevel import MethodCallMessage, HANDLER_RESULT_NOT_YET_HANDLED

def property_changed(name, value, path, interface):
	iface = interface[interface.rfind(".") + 1:]
	if name in ["Strength", "Priority"]:
		val = int(value)
	else:
		val = str(value)
	print "{%s} [%s] %s = %s" % (iface, path, name, val)

def message_filter(connection, message):
	if not isinstance(message, MethodCallMessage):
		return HANDLER_RESULT_NOT_YET_HANDLED

	interface = message.get_interface()
	path = message.get_path()
	name = message.get_member()
	args = message.get_args_list()

	property_changed(name, args, path, interface)

if __name__ == '__main__':
	dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

	bus = dbus.SystemBus()

	bus.add_signal_receiver(property_changed,
					bus_name="net.connman",
					signal_name = "PropertyChanged",
						path_keyword="path",
						interface_keyword="interface")

	bus.add_match_string("member=Change,interface=net.connman.Session")
	bus.add_match_string("member=Update,interface=net.connman.Notification")
	bus.add_message_filter(message_filter)

	mainloop = gobject.MainLoop()
	mainloop.run()