[systemd-devel] sd-bus: ObjectManager difference with gdbus

[David Härdeman]

April 24, 2017 4:51 PM, "Lennart Poettering" <lennart at poettering.net> wrote:

> On Fri, 21.04.17 13:22, David Herrmann (dh.herrmann at gmail.com) wrote:
> 
>> Anyway, gdbus bugs aside, it seems that the interfaces reported by
>> sd-bus should match what gdbus does? (assuming, of course, that gdbus
>> can be considered the "reference" implementation).
>> 
>> Does the appended patch fix your issue?
>> (line-breaks might be screwed, sorry)
>> 
>> Haven't tried it yet, but just from reading the patch...it seems to do
>> the opposite of what I'd expect? I.e. add *more* interfaces?
>> 
>> This change makes sure all objects have the built-in interfaces
>> reported at all times. The GetManagedObjects() call didn't report them
>> so far.
>> 
>> Note that we really better report all interfaces an object supports. I
>> don't know why glib does not do this, but I think it should.
> 
> Yeah, I#d agree with that. I think we should provide complete
> information, and that means including built-in interfaces in all our
> messages, in particular as some of them are optional. It appears to
> me, that gdbus should be changed here, not sd-bus...

In that case, no changes are necessary to sd-bus since it already exposes all interfaces.

I've filed a bug report against gdbus:
https://bugzilla.gnome.org/show_bug.cgi?id=781524

Regards,
David