Re: signal for interface up/down

[mh mike franken de (Michael Hirmke)]

Hi Dan,

[...]
> > ok, got all devices and their properties, connected to the
> > StateChanged
> > signal for every device, but now, when such a signal is thrown, how
> > do I
> > know what device it belongs to? I know the old and new state and the
> > reason, but not the device.
> > Does every single device need its own signal handler?

> You get the Object Path in the signal message header which uniquely
> identifies the device.  Now if you want to know other things about the
> device, like what interface name it has, then you'll need to make some
> more D-Bus calls to figure that out (using the standard
> org.freedesktop.DBus.Properties API), eg:

> $ dbus-send --system --print-reply \
>     --dest=org.freedesktop.NetworkManager \
>     /org/freedesktop/NetworkManager/Devices/1 \
>     org.freedesktop.DBus.Properties.Get \
>     string:"org.freedesktop.NetworkManager.Device" string:"Interface"

> which gives me:
>    variant       string "wlp4s0"

ok, got the idea.
Thx a lot.

> Dan

Bye.
Michael.
-- 
Michael Hirmke