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# utils.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
# Copyright (c) 2011 Canonical
#
# Author: Alex Chiang <achiang@canonical.com>
# Michael Vogt <michael.vogt@ubuntu.com>
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import dbus
import sys
class ModemManagerHelper(object):
# data taken from
# http://projects.gnome.org/NetworkManager/developers/mm-spec-04.html
MM_DBUS_IFACE = "org.freedesktop.ModemManager"
MM_DBUS_IFACE_MODEM = MM_DBUS_IFACE + ".Modem"
# MM_MODEM_TYPE
MM_MODEM_TYPE_GSM = 1
MM_MODEM_TYPE_CDMA = 2
# GSM
# Not registered, not searching for new operator to register.
MM_MODEM_GSM_NETWORK_REG_STATUS_IDLE = 0
# Registered on home network.
MM_MODEM_GSM_NETWORK_REG_STATUS_HOME = 1
# Not registered, searching for new operator to register with.
MM_MODEM_GSM_NETWORK_REG_STATUS_SEARCHING = 2
# Registration denied.
MM_MODEM_GSM_NETWORK_REG_STATUS_DENIED = 3
# Unknown registration status.
MM_MODEM_GSM_NETWORK_REG_STATUS_UNKNOWN = 4
# Registered on a roaming network.
MM_MODEM_GSM_NETWORK_REG_STATUS_ROAMING = 5
# CDMA
# Registration status is unknown or the device is not registered.
MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN = 0
# Registered, but roaming status is unknown or cannot be provided
# by the device. The device may or may not be roaming.
MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED = 1
# Currently registered on the home network.
MM_MODEM_CDMA_REGISTRATION_STATE_HOME = 2
# Currently registered on a roaming network.
MM_MODEM_CDMA_REGISTRATION_STATE_ROAMING = 3
def __init__(self):
self.bus = dbus.SystemBus()
self.proxy = self.bus.get_object(
"org.freedesktop.ModemManager", "/org/freedesktop/ModemManager"
)
modem_manager = dbus.Interface(self.proxy, self.MM_DBUS_IFACE)
self.modems = modem_manager.EnumerateDevices()
@staticmethod
def get_dbus_property(proxy, interface, property):
props = dbus.Interface(proxy, "org.freedesktop.DBus.Properties")
property = props.Get(interface, property)
return property
def is_gsm_roaming(self):
for m in self.modems:
dev = self.bus.get_object(self.MM_DBUS_IFACE, m)
type = self.get_dbus_property(
dev, self.MM_DBUS_IFACE_MODEM, "Type"
)
if type != self.MM_MODEM_TYPE_GSM:
continue
net = dbus.Interface(
dev, self.MM_DBUS_IFACE_MODEM + ".Gsm.Network"
)
reg = net.GetRegistrationInfo()
# Be conservative about roaming. If registration unknown,
# assume yes.
# MM_MODEM_GSM_NETWORK_REG_STATUS
if reg[0] in (
self.MM_MODEM_GSM_NETWORK_REG_STATUS_UNKNOWN,
self.MM_MODEM_GSM_NETWORK_REG_STATUS_ROAMING,
):
return True
return False
def is_cdma_roaming(self):
for m in self.modems:
dev = self.bus.get_object(self.MM_DBUS_IFACE, m)
type = self.get_dbus_property(
dev, self.MM_DBUS_IFACE_MODEM, "Type"
)
if type != self.MM_MODEM_TYPE_CDMA:
continue
cdma = dbus.Interface(dev, self.MM_DBUS_IFACE_MODEM + ".Cdma")
(cmda_1x, evdo) = cdma.GetRegistrationState()
# Be conservative about roaming. If registration unknown,
# assume yes.
# MM_MODEM_CDMA_REGISTRATION_STATE
roaming_states = (
self.MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED,
self.MM_MODEM_CDMA_REGISTRATION_STATE_ROAMING,
)
# evdo trumps cmda_1x (thanks to Mathieu Trudel-Lapierre)
if evdo in roaming_states:
return True
elif cmda_1x in roaming_states:
return True
return False
class NetworkManagerHelper(object):
NM_DBUS_IFACE = "org.freedesktop.NetworkManager"
# connection states
# Old enum values are for NM 0.7
# The NetworkManager daemon is in an unknown state.
NM_STATE_UNKNOWN = 0
# The NetworkManager daemon is connecting a device.
NM_STATE_CONNECTING_OLD = 2
NM_STATE_CONNECTING = 40
NM_STATE_CONNECTING_LIST = [NM_STATE_CONNECTING_OLD, NM_STATE_CONNECTING]
# The NetworkManager daemon is connected.
NM_STATE_CONNECTED_OLD = 3
NM_STATE_CONNECTED_LOCAL = 50
NM_STATE_CONNECTED_SITE = 60
NM_STATE_CONNECTED_GLOBAL = 70
NM_STATE_CONNECTED_LIST = [
NM_STATE_CONNECTED_OLD,
NM_STATE_CONNECTED_LOCAL,
NM_STATE_CONNECTED_SITE,
NM_STATE_CONNECTED_GLOBAL,
]
# The device type is unknown.
NM_DEVICE_TYPE_UNKNOWN = 0
# The device is wired Ethernet device.
NM_DEVICE_TYPE_ETHERNET = 1
# The device is an 802.11 WiFi device.
NM_DEVICE_TYPE_WIFI = 2
# The device is a GSM-based cellular WAN device.
NM_DEVICE_TYPE_GSM = 3
# The device is a CDMA/IS-95-based cellular WAN device.
NM_DEVICE_TYPE_CDMA = 4
def __init__(self):
self.bus = dbus.SystemBus()
self.proxy = self.bus.get_object(
"org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager"
)
@staticmethod
def get_dbus_property(proxy, interface, property):
props = dbus.Interface(proxy, "org.freedesktop.DBus.Properties")
property = props.Get(interface, property)
return property
def is_active_connection_gsm_or_cdma(self):
res = False
actives = self.get_dbus_property(
self.proxy, self.NM_DBUS_IFACE, "ActiveConnections"
)
for a in actives:
active = self.bus.get_object(self.NM_DBUS_IFACE, a)
default_route = self.get_dbus_property(
active, self.NM_DBUS_IFACE + ".Connection.Active", "Default"
)
if not default_route:
continue
devs = self.get_dbus_property(
active, self.NM_DBUS_IFACE + ".Connection.Active", "Devices"
)
for d in devs:
dev = self.bus.get_object(self.NM_DBUS_IFACE, d)
type = self.get_dbus_property(
dev, self.NM_DBUS_IFACE + ".Device", "DeviceType"
)
if type == self.NM_DEVICE_TYPE_GSM:
return True
elif type == self.NM_DEVICE_TYPE_CDMA:
return True
else:
continue
return res
def is_active_connection_gsm_or_cdma_roaming(self):
res = False
if self.is_active_connection_gsm_or_cdma():
mmhelper = ModemManagerHelper()
res |= mmhelper.is_gsm_roaming()
res |= mmhelper.is_cdma_roaming()
return res
if __name__ == "__main__":
# test code
if sys.argv[1:] and sys.argv[1] == "--test":
mmhelper = ModemManagerHelper()
print("is_gsm_roaming", mmhelper.is_gsm_roaming())
print("is_cdma_romaing", mmhelper.is_cdma_roaming())
# roaming?
nmhelper = NetworkManagerHelper()
is_roaming = nmhelper.is_active_connection_gsm_or_cdma_roaming()
print("roam: ", is_roaming)
if is_roaming:
sys.exit(1)
sys.exit(0)