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 sugar.graphics.menu import Menu
from gettext import gettext as _
import os
import nminfo
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, ([])),
'activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'strength-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
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._active_net = None
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]
if self._active:
self.emit('activated')
self._link = props[15]
self._caps = props[17]
if self._type == DEVICE_TYPE_802_11_WIRELESS:
old_strength = self._strength
self._strength = props[14]
if self._strength != old_strength:
self.emit('strength-changed', self._strength)
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 = op
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
if net_op == 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 == self._strength:
return False
if strength >= 0 and strength <= 100:
self._strength = strength
else:
self._strength = 0
self.emit('strength-changed', self._strength)
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
if network == self._active_net:
self._active_net = None
del self._networks[network]
def get_active(self):
return self._active
def set_active(self, active, ssid=None):
self._active = active
if self._type == DEVICE_TYPE_802_11_WIRELESS:
if not ssid:
self._active_net = None
else:
for (op, net) in self._networks.items():
if net.get_ssid() == ssid:
self._active_net = op
def get_type(self):
return self._type
def is_valid(self):
return self._valid
def set_carrier(self, on):
self._link = on
class ActivityMenu(Menu):
def __init__(self, activity_host):
Menu.__init__(self, activity_host.get_title())
if not activity_host.get_shared():
self._add_mesh_action()
self._add_close_action()
def _add_mesh_action(self):
icon = CanvasIcon(icon_name='stock-share-mesh')
self.add_action(icon, ActivityMenu.ACTION_SHARE)
def _add_close_action(self):
icon = CanvasIcon(icon_name='stock-close')
self.add_action(icon, ActivityMenu.ACTION_CLOSE)
NM_STATE_UNKNOWN = 0
NM_STATE_ASLEEP = 1
NM_STATE_CONNECTING = 2
NM_STATE_CONNECTED = 3
NM_STATE_DISCONNECTED = 4
class NMClientApp:
def __init__(self):
self.menu = None
self.nminfo = None
self._nm_present = False
self._nm_state = NM_STATE_UNKNOWN
self._icon_theme = gtk.icon_theme_get_default()
self._update_timer = 0
self._cur_icon = None
self._active_device = None
self._devices = {}
try:
self.nminfo = nminfo.NMInfo()
except RuntimeError:
pass
self._setup_dbus()
if self._nm_present:
self._get_nm_state()
self._get_initial_devices()
self._setup_trayicon()
def _get_nm_state(self):
# Grab NM's state
nm_obj = sys_bus.get_object(NM_SERVICE, NM_PATH)
nm = dbus.Interface(nm_obj, NM_IFACE)
nm.state(reply_handler=self._get_state_reply_cb, \
error_handler=self._get_state_error_cb)
def _get_state_reply_cb(self, state):
if self._nm_state != state:
self._schedule_icon_update(immediate=True)
self._nm_state = state
def _get_state_error_cb(self, err):
logging.debug("Failed to get NetworkManager state! %s" % err)
def _get_icon(self):
name = None
act_dev = None
if self._active_device and self._devices.has_key(self._active_device):
act_dev = self._devices[self._active_device]
if not self._nm_present \
or not act_dev \
or self._nm_state == NM_STATE_UNKNOWN \
or self._nm_state == NM_STATE_ASLEEP \
or self._nm_state == NM_STATE_DISCONNECTED:
name = "stock-net-wireless-00"
elif act_dev.get_type() == DEVICE_TYPE_802_3_ETHERNET:
name = "stock-net-wired"
elif act_dev.get_type() == DEVICE_TYPE_802_11_WIRELESS:
strength = act_dev.get_strength()
if strength <= 0:
name = "stock-net-wireless-00"
elif strength >= 1 and strength <= 20:
name = "stock-net-wireless-01-20"
elif strength >= 21 and strength <= 40:
name = "stock-net-wireless-21-40"
elif strength >= 41 and strength <= 60:
name = "stock-net-wireless-41-60"
elif strength >= 61 and strength <= 80:
name = "stock-net-wireless-61-80"
elif strength >= 81 and strength:
name = "stock-net-wireless-81-100"
if not name:
name = "stock-net-wireless-00"
info = self._icon_theme.lookup_icon(name, 75, 0)
if not info:
logging.debug("Couldn't find icon for %s, falling back to stock-net-wireless-00" % name)
info = self._icon_theme.lookup_icon("stock-net-wireless-00", 75, 0)
if not info:
return None
return info.get_filename()
def _setup_trayicon(self):
filename = self._get_icon()
if not filename:
logging.debug("Couldn't get icon file!!")
os._exit(1)
self._trayicon = gtk.status_icon_new_from_file(filename)
self._trayicon.connect("popup_menu", self._popup)
self._trayicon.connect("activate", self._popup)
self._schedule_icon_update()
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_icon(self):
filename = self._get_icon()
if not filename:
logging.debug("Couldn't get icon file!!")
elif self._cur_icon != filename:
self._trayicon.set_from_file(filename)
self._cur_icon = filename
blink = False
if self._nm_state == NM_STATE_CONNECTING:
blink = True
self._trayicon.set_blinking(blink)
self._update_timer = 0
return False
def _schedule_icon_update(self, immediate=False):
if immediate and self._update_timer:
gobject.source_remove(self._update_timer)
self._update_timer = 0
if self._update_timer != 0:
# There is already an update scheduled
return
if immediate:
self._update_timer = gobject.idle_add(self._update_icon)
else:
self._update_timer = gobject.timeout_add(2000, self._update_icon)
def _get_initial_devices_reply_cb(self, ops):
for op in ops:
self._add_device(op)
def _dev_init_failed_cb(self, dev):
# Device failed to initialize, likely due to dbus errors or something
op = dev.get_op()
self._remove_device(op)
def _get_initial_devices_error_cb(self, err):
logging.debug("Error updating devices (%s)" % err)
def _get_initial_devices(self):
nm_obj = sys_bus.get_object(NM_SERVICE, NM_PATH)
nm = dbus.Interface(nm_obj, NM_IFACE)
nm.getDevices(reply_handler=self._get_initial_devices_reply_cb, \
error_handler=self._get_initial_devices_error_cb)
def _add_device(self, dev_op):
if self._devices.has_key(dev_op):
return
dev = Device(dev_op)
self._devices[dev_op] = dev
dev.connect('init-failed', self._dev_init_failed_cb)
dev.connect('activated', self._dev_activated_cb)
dev.connect('strength-changed', self._dev_strength_changed_cb)
def _remove_device(self, dev_op):
if not self._devices.has_key(dev_op):
return
if self._active_device == dev_op:
self._active_device = None
dev = self._devices[dev_op]
dev.disconnect('activated')
dev.disconnect('init-failed')
dev.disconnect('strength-changed')
del self._devices[dev_op]
self._schedule_icon_update(immediate=True)
def _dev_activated_cb(self, dev):
op = dev.get_op()
if not self._devices.has_key(op):
return
if not dev.get_active():
return
self._active_device = op
self._schedule_icon_update(immediate=True)
def _dev_strength_changed_cb(self, dev, strength):
op = dev.get_op()
if not self._devices.has_key(op):
return
if not dev.get_active():
return
self._schedule_icon_update()
def _setup_dbus(self):
self._sig_handlers = {
'StateChange': self.state_change_sig_handler,
'DeviceAdded': self.device_added_sig_handler,
'DeviceRemoved': self.device_removed_sig_handler,
'DeviceActivationStage': self.device_activation_stage_sig_handler,
'DeviceActivating': self.device_activating_sig_handler,
'DeviceNowActive': self.device_now_active_sig_handler,
'DeviceNoLongerActive': self.device_no_longer_active_sig_handler,
'DeviceCarrierOn': self.device_carrier_on_sig_handler,
'DeviceCarrierOff': self.device_carrier_off_sig_handler,
'DeviceStrengthChanged': self.wireless_device_strength_changed_sig_handler,
'WirelessNetworkAppeared': self.wireless_network_appeared_sig_handler,
'WirelessNetworkDisappeared': self.wireless_network_disappeared_sig_handler,
'WirelessNetworkStrengthChanged': self.wireless_network_strength_changed_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 self._sig_handlers.items():
sys_bus.add_signal_receiver(handler, signal_name=signal, dbus_interface=NM_IFACE)
# Find out whether or not NM is running
try:
bus_object = sys_bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
name = bus_object.GetNameOwner("org.freedesktop.NetworkManagerInfo", \
dbus_interface='org.freedesktop.DBus')
if name:
self._nm_present = True
except dbus.DBusException:
pass
@dbus.decorators.explicitly_pass_message
def catchall_signal_handler(self, *args, **keywords):
dbus_message = keywords['dbus_message']
mem = dbus_message.get_member()
iface = dbus_message.get_interface()
if iface == NM_IFACE and mem in self._sig_handlers.keys():
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 "State: %s" % state
self._nm_state = state
self._schedule_icon_update(immediate=True)
def device_activating_sig_handler(self, device):
print 'Device %s activating'%device
def device_now_active_sig_handler(self, device, ssid=None):
if not self._devices.has_key(device):
return
self._devices[devices].set_active(True, ssid)
self._schedule_icon_update(immediate=True)
def device_no_longer_active_sig_handler(self, device):
if not self._devices.has_key(device):
return
self._devices[devices].set_active(False)
self._schedule_icon_update(immediate=True)
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
self._nm_present = False
self._schedule_update_timer()
for op in self._devices.keys():
del self._devices[op]
self._devices = {}
self._active_device = None
self._nm_state = NM_STATE_UNKNOWN
elif (not old and not len(old)) and (new and len(new)):
# NM started up
self._nm_present = True
self._get_nm_state()
self._get_initial_devices()
def device_added_sig_handler(self, device):
self._add_device(device)
def device_removed_sig_handler(self, device):
self._remove_device(device)
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