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#!/usr/bin/env 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.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2011 - 2012 Red Hat, Inc.
#
import dbus, sys
# This example indicates whether the default network connection is known to be WWAN
NM_DEVICE_TYPE_MODEM = 8
NM_DEVICE_TYPE_BLUETOOTH = 5
NM_SERVICE_NAME = "org.freedesktop.NetworkManager"
NM_MANAGER_IFACE = "org.freedesktop.NetworkManager"
DBUS_PROPS_IFACE = "org.freedesktop.DBus.Properties"
bus = dbus.SystemBus()
# Exit early if NetworkManager is not running
proxy = bus.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus")
busdaemon = dbus.Interface(proxy, "org.freedesktop.DBus")
if not busdaemon.NameHasOwner(NM_SERVICE_NAME):
print "NetworkManager not running"
sys.exit(1)
# Get a proxy for the NetworkManager object
proxy = bus.get_object(NM_SERVICE_NAME, "/org/freedesktop/NetworkManager")
manager = dbus.Interface(proxy, NM_MANAGER_IFACE)
props = dbus.Interface(proxy, DBUS_PROPS_IFACE)
default_is_wwan = False
# Look through all active network connections for the default one
active = props.Get(NM_MANAGER_IFACE, "ActiveConnections")
for a in active:
a_proxy = bus.get_object(NM_SERVICE_NAME, a)
a_props = dbus.Interface(a_proxy, DBUS_PROPS_IFACE)
all_props = a_props.GetAll("org.freedesktop.NetworkManager.Connection.Active")
# Ignore this network connection if it's not default for IPv4 or IPv6
if all_props["Default"] == False and all_props["Default6"] == False:
continue
# Shortcut: check for Type property (only present in NM 0.9.9+)
try:
ctype = all_props["Type"]
if ctype in ["gsm", "cdma", "bluetooth"]:
default_is_wwan = True
break
except KeyError:
# Fall back to checking the type of the network connection's device
dev_path = all_props["Devices"][0]
dev_proxy = bus.get_object(NM_SERVICE_NAME, dev_path)
dev_props = dbus.Interface(dev_proxy, DBUS_PROPS_IFACE)
devtype = dev_props.Get("org.freedesktop.NetworkManager.Device", "DeviceType")
if devtype == NM_DEVICE_TYPE_MODEM or devtype == NM_DEVICE_TYPE_BLUETOOTH:
default_is_wwan = True
break
if default_is_wwan:
print "WWAN is default"
else:
print "WWAN is not default"
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