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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date:   Sun, 6 Oct 2019 14:14:18 +0300
Message-ID: <CABBYNZLwgZfXf9BhhSJOTvU_-shhj_52YMbYmyhBBNf75OhOsQ@mail.gmail.com>
Subject: Re: [PATCH BlueZ 1/4] doc/media-api: Add RegisterApplication method
To:     =?UTF-8?Q?Pali_Roh=C3=A1r?= <pali.rohar@gmail.com>
Cc:     =?UTF-8?B?UGFzaSBLw6Rya2vDpGluZW4=?= <pasik@iki.fi>,
        "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
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Hi Pali,

On Sun, Oct 6, 2019 at 1:56 PM Pali Roh=C3=A1r <pali.rohar@gmail.com> wrote=
:
>
> On Sunday 06 October 2019 13:53:37 Luiz Augusto von Dentz wrote:
> > Hi Pali,
> >
> > On Sun, Oct 6, 2019 at 1:05 PM Pali Roh=C3=A1r <pali.rohar@gmail.com> w=
rote:
> > >
> > > On Thursday 03 October 2019 21:18:55 Pasi K=C3=A4rkk=C3=A4inen wrote:
> > > > Hi,
> > > >
> > > > On Thu, Aug 29, 2019 at 10:05:13PM +0200, Pali Roh=C3=A1r wrote:
> > > > > On Thursday 29 August 2019 15:57:34 Pasi K=C3=A4rkk=C3=A4inen wro=
te:
> > > > > > Pali: How does it look with porting the PA patches to use the n=
ew interfaces?
> > > > >
> > > > > Hello, I have not had a time yet to play with these pulseaudio pa=
tches
> > > > > and porting to the new interface. I guess that I could have more =
free
> > > > > time in the last week of next month.
> > > > >
> > > >
> > > > It seems BlueZ 5.51 has been released meanwhile (http://www.bluez.o=
rg/release-of-bluez-5-51/)
> > > > So now at least the new interfaces are in a released bluez version.
> > >
> > > Ok! Today I have looked at this new Bluez API, but seems that there i=
s
> > > not only missing some examples or usages with libdbus-1, but also
> > > documentation. I have tried to find something how to register endpoin=
ts
> > > throw GetManagedObjects() via libdbus-1, but seems that there is no
> > > usage of it and also unusable documentation for it in libdbus-1. So
> > > currently I'm stuck how to use this exotic API in pulseaudio...
> >
> > It is just another D-Bus method, the only difference is that it
> > carries the entire object tree, btw I did add an example of how to
> > register Endpoints in python:
> >
> > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/example-en=
dpoint
>
> Now I found this python example and currently I'm doing observations and
> "reverse-engineering" how it is working and how this example behaves on
> D-Bus. I think I understood it now.

One important detail is that RegisterApplication shall not block since
the daemon will call GetManagedObjects the D-Bus mainloop must be able
to process messages.

> > You can also have a look at how our gdbus internal library (uses
> > libdbus) utilize it:
> >
> > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/gdbus/client.c#=
n1269
> >
>
> --
> Pali Roh=C3=A1r
> pali.rohar@gmail.com


--=20
Luiz Augusto von Dentz