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authorPerberos <[email protected]>2011-11-14 18:24:48 -0300
committerPerberos <[email protected]>2011-11-14 18:24:48 -0300
commit312ba610a1e98fc656fb58178227d7d45a64494e (patch)
tree54a3c2b6084c80e63fb0526c6e7b8e01627acbd7 /invest-applet/invest/networkmanager.py
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initial
Diffstat (limited to 'invest-applet/invest/networkmanager.py')
-rw-r--r--invest-applet/invest/networkmanager.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/invest-applet/invest/networkmanager.py b/invest-applet/invest/networkmanager.py
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+import invest
+from dbus.mainloop.glib import DBusGMainLoop
+import dbus
+
+# possible states, see http://projects.mate.org/NetworkManager/developers/spec-08.html#type-NM_STATE
+STATE_UNKNOWN = dbus.UInt32(0)
+STATE_ASLEEP = dbus.UInt32(1)
+STATE_CONNECTING = dbus.UInt32(2)
+STATE_CONNECTED = dbus.UInt32(3)
+STATE_DISCONNEDTED = dbus.UInt32(4)
+
+class NetworkManager:
+ def __init__(self):
+ self.state = STATE_UNKNOWN
+ self.statechange_callback = None
+
+ try:
+ # get an event loop
+ loop = DBusGMainLoop()
+
+ # get the NetworkManager object from D-Bus
+ invest.debug("Connecting to Network Manager via D-Bus")
+ bus = dbus.SystemBus(mainloop=loop)
+ nmobj = bus.get_object('org.freedesktop.NetworkManager', '/org/freedesktop/NetworkManager')
+ nm = dbus.Interface(nmobj, 'org.freedesktop.NetworkManager')
+
+ # connect the signal handler to the bus
+ bus.add_signal_receiver(self.handler, None,
+ 'org.freedesktop.NetworkManager',
+ 'org.freedesktop.NetworkManager',
+ '/org/freedesktop/NetworkManager')
+
+ # get the current status of the network manager
+ self.state = nm.state()
+ invest.debug("Current Network Manager status is %d" % self.state)
+ except Exception, msg:
+ invest.error("Could not connect to the Network Manager: %s" % msg )
+
+ def online(self):
+ return self.state == STATE_UNKNOWN or self.state == STATE_CONNECTED
+
+ def offline(self):
+ return not self.online()
+
+ # the signal handler for signals from the network manager
+ def handler(self,signal=None):
+ if isinstance(signal, dict):
+ state = signal.get('State')
+ if state != None:
+ invest.debug("Network Manager change state %d => %d" % (self.state, state) );
+ self.state = state
+
+ # notify about state change
+ if self.statechange_callback != None:
+ self.statechange_callback()
+
+ def set_statechange_callback(self,handler):
+ self.statechange_callback = handler