sugar-toolkit-gtk3/services/nm/nmclient.py

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# vi: ts=4 ai noet
#
# Copyright (C) 2006, Red Hat, Inc.
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
import dbus
import dbus.glib
import dbus.decorators
import gobject
import gtk
import logging
from gettext import gettext as _
import nminfo
NM_STATE_STRINGS=("Unknown",
"Asleep",
"Connecting",
"Connected",
"Disconnected"
)
NM_DEVICE_STAGE_STRINGS=("Unknown",
"Prepare",
"Config",
"Need Users Key",
"IP Config",
"IP Config Get",
"IP Config Commit",
"Activated",
"Failed",
"Cancled"
)
NM_SERVICE = 'org.freedesktop.NetworkManager'
NM_IFACE = 'org.freedesktop.NetworkManager'
NM_IFACE_DEVICES = 'org.freedesktop.NetworkManager.Devices'
NM_PATH = '/org/freedesktop/NetworkManager'
DEVICE_TYPE_UNKNOWN = 0
DEVICE_TYPE_802_3_ETHERNET = 1
DEVICE_TYPE_802_11_WIRELESS = 2
NM_DEVICE_CAP_NONE = 0x00000000
NM_DEVICE_CAP_NM_SUPPORTED = 0x00000001
NM_DEVICE_CAP_CARRIER_DETECT = 0x00000002
NM_DEVICE_CAP_WIRELESS_SCAN = 0x00000004
sys_bus = dbus.SystemBus()
class Network(gobject.GObject):
__gsignals__ = {
'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
}
def __init__(self, op):
gobject.GObject.__init__(self)
self._op = op
self._ssid = None
self._mode = None
self._strength = 0
self._valid = False
obj = sys_bus.get_object(NM_SERVICE, self._op)
net = dbus.Interface(obj, NM_IFACE_DEVICES)
net.getProperties(reply_handler=self._update_reply_cb,
error_handler=self._update_error_cb)
def _update_reply_cb(self, *props):
self._ssid = props[1]
self._strength = props[3]
self._mode = props[6]
self._valid = True
logging.debug("Net(%s): ssid '%s', mode %d, strength %d" % (self._op,
self._ssid, self._mode, self._strength))
def _update_error_cb(self, err):
logging.debug("Net(%s): failed to update. (%s)" % (self._op, err))
self._valid = False
self.emit('init-failed')
def get_ssid(self):
return self._ssid
def get_op(self):
return self._op
def get_strength(self):
return self._strength
def set_strength(self, strength):
self._strength = strength
def is_valid(self):
return self._valid
def add_to_menu(self, menu):
item = gtk.CheckMenuItem()
strength = self._strength
if strength > 100:
strength = 100
elif strength < 0:
strength = 0
label_str = "%s (%d%%)" % (self._ssid, strength)
label = gtk.Label(label_str)
label.set_alignment(0.0, 0.5)
item.add(label)
item.show_all()
menu.add(item)
class Device(gobject.GObject):
__gsignals__ = {
'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
}
def __init__(self, op):
gobject.GObject.__init__(self)
self._op = op
self._iface = None
self._type = DEVICE_TYPE_UNKNOWN
self._udi = None
self._active = False
self._strength = 0
self._link = False
self._valid = False
self._networks = {}
self._caps = 0
obj = sys_bus.get_object(NM_SERVICE, self._op)
dev = dbus.Interface(obj, NM_IFACE_DEVICES)
dev.getProperties(reply_handler=self._update_reply_cb,
error_handler=self._update_error_cb)
def _update_reply_cb(self, *props):
self._iface = props[1]
self._type = props[2]
self._udi = props[3]
self._active = props[4]
self._link = props[15]
self._caps = props[17]
if self._type == DEVICE_TYPE_802_11_WIRELESS:
self._strength = props[14]
self._update_networks(props[20], props[19])
self._valid = True
def _update_networks(self, net_ops, active_op):
for op in net_ops:
net = Network(op)
self._networks[op] = net
net.connect('init-failed', self._net_init_failed)
if op == active_op:
self._active_net = net
def _update_error_cb(self, err):
logging.debug("Device(%s): failed to update. (%s)" % (self._op, err))
self._valid = False
self.emit('init-failed')
def _net_init_failed(self, net):
net_op = net.get_op()
if not self._networks.has_key(net_op):
return
net = self._networks[net_op]
if net == self._active_net:
self._active_net = None
del self._networks[net_op]
def _add_to_menu_wired(self, menu):
item = gtk.CheckMenuItem()
label = gtk.Label(_("Wired Network"))
label.set_alignment(0.0, 0.5);
item.add(label)
if self._caps & NM_DEVICE_CAP_CARRIER_DETECT:
item.set_sensitive(self._link)
item.show_all()
menu.add(item)
def _add_to_menu_wireless(self, menu):
for net in self._networks.values():
if not net.is_valid():
continue
net.add_to_menu(menu)
def add_to_menu(self, menu):
if self._type == DEVICE_TYPE_802_3_ETHERNET:
self._add_to_menu_wired(menu)
elif self._type == DEVICE_TYPE_802_11_WIRELESS:
self._add_to_menu_wireless(menu)
def get_op(self):
return self._op
def get_network(self, op):
if self._networks.has_key(op):
return self._networks[op]
return None
def get_network_ops(self):
return self._networks.keys()
def get_strength(self):
return self._strength
def set_strength(self, strength):
if strength >= 0 and strength <= 100:
self._strength = strength
else:
self._strength = 0
def network_appeared(self, network):
if self._networks.has_key(network):
return
net = Network(network)
self._networks[network] = net
net.connect('init-failed', self._net_init_failed)
def network_disappeared(self, network):
if not self._networks.has_key(network):
return
del self._networks[network]
def get_type(self):
return self._type
def is_valid(self):
return self._valid
def set_carrier(self, on):
self._link = on
class NMClientApp:
def __init__(self):
self.menu = None
self.nminfo = None
try:
self.nminfo = nminfo.NMInfo()
except RuntimeError:
pass
self._setup_dbus()
self._devices = {}
self._update_devices()
self._setup_trayicon()
def _setup_trayicon(self):
self.trayicon = gtk.status_icon_new_from_file("/home/dcbw/Development/olpc/nm-python-client/icons/nm-no-connection.png")
self.trayicon.connect("popup_menu", self._popup)
self.trayicon.connect("activate", self._popup)
def _popup(self, status, button=0, time=None):
def menu_pos(menu):
return gtk.status_icon_position_menu(menu, self.trayicon)
if time is None:
time = gtk.get_current_event_time()
if self.menu:
del self.menu
self.menu = self._construct_new_menu()
self.menu.popup(None, None, menu_pos, button, time)
self.menu.show_all()
def _construct_new_menu(self):
menu = gtk.Menu()
# Wired devices first
for dev in self._devices.values():
if not dev.is_valid():
continue
if dev.get_type() != DEVICE_TYPE_802_3_ETHERNET:
continue
dev.add_to_menu(menu)
# Wireless devices second
for dev in self._devices.values():
if not dev.is_valid():
continue
if dev.get_type() != DEVICE_TYPE_802_11_WIRELESS:
continue
dev.add_to_menu(menu)
return menu
def _update_devices_reply_cb(self, ops):
for op in ops:
dev = Device(op)
self._devices[op] = dev
dev.connect('init-failed', self._dev_init_failed_cb)
def _dev_init_failed_cb(self, dev):
# Device failed to initialize, likely due to dbus errors or something
op = dev.get_op()
if self._devices.has_key(op):
del self._devices[op]
def _update_devices_error_cb(self, err):
logging.debug("Error updating devices (%s)" % err)
def _update_devices(self):
for dev_name in self._devices.keys():
del self._devices[dev_name]
self._devices = {}
nm_obj = sys_bus.get_object(NM_SERVICE, NM_PATH)
nm = dbus.Interface(nm_obj, NM_IFACE)
nm.getDevices(reply_handler=self._update_devices_reply_cb, \
error_handler=self._update_devices_error_cb)
def _setup_dbus(self):
sig_handlers = {
'DeviceActivationStage': self.device_activation_stage_sig_handler,
'StateChange': self.state_change_sig_handler,
'DeviceActivating': self.device_activating_sig_handler,
'DeviceNowActive': self.device_now_active_sig_handler,
'WirelessNetworkAppeared': self.wireless_network_appeared_sig_handler,
'WirelessNetworkDisappeared': self.wireless_network_disappeared_sig_handler,
'DeviceStrengthChanged': self.wireless_device_strength_changed_sig_handler,
'WirelessNetworkStrengthChanged': self.wireless_network_strength_changed_sig_handler,
'DeviceCarrierOn': self.device_carrier_on_sig_handler,
'DeviceCarrierOff': self.device_carrier_off_sig_handler
}
self.nm_proxy = sys_bus.get_object(NM_SERVICE, NM_PATH)
sys_bus.add_signal_receiver(self.name_owner_changed_sig_handler,
signal_name="NameOwnerChanged",
dbus_interface="org.freedesktop.DBus")
sys_bus.add_signal_receiver(self.catchall_signal_handler,
dbus_interface=NM_IFACE)
sys_bus.add_signal_receiver(self.catchall_signal_handler,
dbus_interface=NM_IFACE + 'Devices')
for (signal, handler) in sig_handlers.items():
sys_bus.add_signal_receiver(handler, signal_name=signal, dbus_interface=NM_IFACE)
@dbus.decorators.explicitly_pass_message
def catchall_signal_handler(*args, **keywords):
dbus_message = keywords['dbus_message']
mem = dbus_message.get_member()
iface = dbus_message.get_interface()
if iface == NM_IFACE and \
(mem == 'DeviceActivationStage' or \
mem == 'StateChange' or \
mem == 'DeviceActivating' or \
mem == 'DeviceNowActive' or \
mem == 'DeviceStrengthChanged' or \
mem == 'WirelessNetworkAppeared' or \
mem == 'WirelessNetworkDisappeared' or \
mem == 'WirelessNetworkStrengthChanged'):
return
logging.debug('Caught signal %s.%s' % (dbus_message.get_interface(), mem))
for arg in args:
logging.debug(' ' + str(arg))
def device_activation_stage_sig_handler(self, device, stage):
print 'Network Manager Device Stage "%s" for device %s'%(NM_DEVICE_STAGE_STRINGS[stage], device)
def state_change_sig_handler(self, state):
print 'Network Manager State "%s"'%NM_STATE_STRINGS[state]
def device_activating_sig_handler(self, device):
print 'Device %s activating'%device
def device_now_active_sig_handler(self, device, essid=None):
print 'Device %s now activated (%s)'%(device, essid)
def name_owner_changed_sig_handler(self, name, old, new):
if name != NM_SERVICE:
return
if (old and len(old)) and (not new and not len(new)):
# NM went away
pass
elif (not old and not len(old)) and (new and len(new)):
# NM started up
self._update_devices()
def wireless_network_appeared_sig_handler(self, device, network):
if not self._devices.has_key(device):
return
self._devices[device].network_appeared(network)
def wireless_network_disappeared_sig_handler(self, device, network):
if not self._devices.has_key(device):
return
self._devices[device].network_disappeared(network)
def wireless_device_strength_changed_sig_handler(self, device, strength):
if not self._devices.has_key(device):
return
self._devices[device].set_strength(strength)
def wireless_network_strength_changed_sig_handler(self, device, network, strength):
if not self._devices.has_key(device):
return
net = self._devices[device].get_network(network)
if net:
net.set_strength(strength)
def device_carrier_on_sig_handler(self, device):
if not self._devices.has_key(device):
return
self._devices[device].set_carrier(True)
def device_carrier_off_sig_handler(self, device):
if not self._devices.has_key(device):
return
self._devices[device].set_carrier(False)
def run(self):
loop = gobject.MainLoop()
try:
loop.run()
except KeyboardInterrupt:
pass