Exporting an Interface

Florence Chan florencewchan at google.com
Thu Oct 14 19:52:34 UTC 2021


Hey Aleksander,

Ah yes, that makes sense! Yes I do have a skeleton type corresponding to my
interface.

Thanks so much for the help!
- Florence


On Wed, Oct 13, 2021 at 1:50 PM Aleksander Morgado <aleksander at aleksander.es>
wrote:

> Hey Florence!
>
> >
> > I've been creating a DBus interface for the MM SIM object and I have
> been having issues specifically when it comes to exporting the interface.
> From the examples in other files it looks like there is a
> "mm_gdbus_object_skeleton_set_modem_*" generated export function that
> corresponds with the interface, however there is none that corresponds with
> my SIM interface. How would I go about exporting my interface?
> >
>
> I think that the issue you're having is because the mm-gdbus-sim.[c|h]
> files are NOT generated with the --c-generate-object-manager option in
> gdbus-codegen. That option is only used in the "modem" object, because
> that is the only type of object listed by the "ObjectManagerInterface"
> that the daemon manager object exports. So, for the modem object we
> can have a "MmGdbusObjectSkeleton" associated to the object path,
> which can then have multiple interfaces exposed in the same path via
> the mm_gdbus_object_skeleton_set_modem_XXX() calls.
>
> The case for the SIM object is different; we're only generating code
> for the interface support, not as part of any object manager. I guess
> we could have each modem object implement the object manager interface
> themselves, but that could be a bit of a mess, and don't think
> gdbus-codegen supports that. So, for the SIM object (and any other
> object; e.g. bearer, call, sms...) we export the interfaces
> independently with g_dbus_interface_skeleton_export(). E.g. for the
> Sim interface we get a MmGdbusSimSkeleton that we can export in DBus
> whenever we want. I would assume you'll get a different skeleton type
> for your new interface; is that so?
>
> --
> Aleksander
> https://aleksander.es
>
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