#!/usr/bin/python
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details:
#
# Copyright (C) 2010 Guido Guenther <agx@sigxcpu.org>
#
# Usage: ./test/ussd.py /org/freedesktop/ModemManager/Modems/0 '*130#'

import sys, dbus, re

MM_DBUS_SERVICE='org.freedesktop.ModemManager'
MM_DBUS_INTERFACE_USSD='org.freedesktop.ModemManager.Modem.Gsm.Ussd'

if len(sys.argv) != 3:
    print "Usage: %s dbus_object [<ussd>|cancel]" % sys.argv[0]
    sys.exit(1)
else:
    arg = sys.argv[2]

bus = dbus.SystemBus()
objpath = sys.argv[1]
if objpath[:1] != '/':
    objpath = "/org/freedesktop/ModemManager/Modems/" + str(objpath)
proxy = bus.get_object(MM_DBUS_SERVICE, objpath)

modem = dbus.Interface(proxy, dbus_interface=MM_DBUS_INTERFACE_USSD)

# For testing purposes treat all "common" USSD sequences as initiate and the
# rest (except for cancel) as response. See GSM 02.90.
initiate_re = re.compile('[*#]{1,3}1[0-9][0-9].*#')

if initiate_re.match(arg):
    ret = modem.Initiate(arg)
elif arg == "cancel":
    ret = modem.Cancel()
else:
    ret = modem.Respond(arg)
print ret