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137 lines
5.1 KiB
Python
137 lines
5.1 KiB
Python
#
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# Copyright (C) 2007, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import logging
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import gobject
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import dbus
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from model.devices import device
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from model.devices.network import wired
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from model.devices.network import wireless
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from model.devices.network import mesh
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from model.devices import battery
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from hardware import hardwaremanager
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from hardware import nmclient
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class DevicesModel(gobject.GObject):
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__gsignals__ = {
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'device-appeared' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'device-disappeared': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self):
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gobject.GObject.__init__(self)
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self._devices = {}
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self._sigids = {}
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self._observe_hal_manager()
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self._observe_network_manager()
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def _observe_hal_manager(self):
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bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
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proxy = bus.get_object('org.freedesktop.Hal',
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'/org/freedesktop/Hal/Manager')
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hal_manager = dbus.Interface(proxy, 'org.freedesktop.Hal.Manager')
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for udi in hal_manager.FindDeviceByCapability('battery'):
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self.add_device(battery.Device(udi))
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def _observe_network_manager(self):
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network_manager = hardwaremanager.get_network_manager()
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if not network_manager:
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return
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for device in network_manager.get_devices():
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self._check_network_device(device)
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network_manager.connect('device-added',
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self._network_device_added_cb)
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network_manager.connect('device-activating',
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self._network_device_activating_cb)
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network_manager.connect('device-activated',
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self._network_device_activated_cb)
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network_manager.connect('device-removed',
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self._network_device_removed_cb)
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def _network_device_added_cb(self, network_manager, nm_device):
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state = nm_device.get_state()
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if state == nmclient.DEVICE_STATE_ACTIVATING \
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or state == nmclient.DEVICE_STATE_ACTIVATED:
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self._check_network_device(nm_device)
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def _network_device_activating_cb(self, network_manager, nm_device):
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self._check_network_device(nm_device)
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def _network_device_activated_cb(self, network_manager, nm_device):
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pass
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def _network_device_removed_cb(self, network_manager, nm_device):
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if self._devices.has_key(str(nm_device.get_op())):
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self.remove_device(self._get_network_device(nm_device))
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def _check_network_device(self, nm_device):
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if not nm_device.is_valid():
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logging.debug("Device %s not valid" % nm_device.get_op())
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return
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dtype = nm_device.get_type()
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if dtype == nmclient.DEVICE_TYPE_802_11_WIRELESS \
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or dtype == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
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self._add_network_device(nm_device)
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def _get_network_device(self, nm_device):
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return self._devices[str(nm_device.get_op())]
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def _network_device_state_changed_cb(self, dev, param):
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if dev.props.state == device.STATE_INACTIVE:
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self.remove_device(dev)
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def _add_network_device(self, nm_device):
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if self._devices.has_key(str(nm_device.get_op())):
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logging.debug("Tried to add device %s twice" % nm_device.get_op())
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return
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dtype = nm_device.get_type()
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if dtype == nmclient.DEVICE_TYPE_802_11_WIRELESS:
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dev = wireless.Device(nm_device)
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self.add_device(dev)
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sigid = dev.connect('notify::state', self._network_device_state_changed_cb)
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self._sigids[dev] = sigid
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if dtype == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
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dev = mesh.Device(nm_device)
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self.add_device(dev)
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sigid = dev.connect('notify::state', self._network_device_state_changed_cb)
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self._sigids[dev] = sigid
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def __iter__(self):
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return iter(self._devices.values())
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def add_device(self, device):
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self._devices[device.get_id()] = device
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self.emit('device-appeared', device)
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def remove_device(self, device):
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self.emit('device-disappeared', self._devices[device.get_id()])
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device.disconnect(self._sigids[device])
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del self._sigids[device]
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del self._devices[device.get_id()]
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