Re: [PATCH BlueZ v4 00/15] Properties + ObjectManager

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On Thu, Oct 4, 2012 at 4:15 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
> Hi Lucas,
>
>> >> >> Here is a rebased version of the patches. Most notable change is on patch
>> >> >> implementing the Set() method after feedback from Marcel. It doesn't cover the
>> >> >> concerns from Luiz about checking privileges per-property since I think this
>> >> >> could be added in a separate patch. As far as I could see the only user is
>> >> >> MediaTransport interface. The most obvious way would be to add another hook in
>> >> >> GDBusPropertyTable in order to check the privileges. Suggestions?
>> >> >>
>> >> >> First 2 patches could be applied nonetheles. Get and GetAll are well tested,
>> >> >> both now and in the previous version of this patch set. Set() is still a
>> >> >> bit raw - the users implementing it are very big (adapter, device) so
>> >> >> they are not converted yet (previous patch doesn't apply anymore and there's a
>> >> >> change in the API that requires them to be rewritten).
>> >> >>
>> >> >>
>> >> >> Lucas De Marchi (10):
>> >> >>   gdbus: Move typedefs up
>> >> >>   gdbus: Use macros to add annotations
>> >> >>   gdbus: Add skeleton of DBus.Properties interface
>> >> >>   gdbus: Implement DBus.Properties.Get method
>> >> >>   gdbus: Implement DBus.Properties.GetAll method
>> >> >>   gdbus: Implement DBus.Properties.Set method
>> >> >>   gdbus: Add properties into Introspectable interface
>> >> >>   gdbus: Implement PropertiesChanged signal
>> >> >>   Use DBus.Properties on Control interface
>> >> >>   Use DBus.Properties on Manager interface
>> >> >>
>> >> >> Luiz Augusto von Dentz (5):
>> >> >>   gdbus: Add support for org.freedesktop.DBus.ObjectManager interface
>> >> >>   gdbus: Group interface changes to reduce the amount of signals
>> >> >>     emitted
>> >> >>   gdbus: Only export ObjectManager interface on root path
>> >> >>   gdbus: Integrates ObjectManager with Properties interface
>> >> >>   gdbus: Simplify code for appending properties
>> >> >>
>> >> >>  audio/control.c |  57 ++--
>> >> >>  gdbus/gdbus.h   |  74 +++--
>> >> >>  gdbus/object.c  | 867 +++++++++++++++++++++++++++++++++++++++++++++++++++-----
>> >> >>  src/manager.c   |  81 ++----
>> >> >>  4 files changed, 897 insertions(+), 182 deletions(-)
>> >> >
>> >> > This initial set has been applied. Now let's get testing it and fix any
>> >> > pending issues that are found. Also please remember send the adapter and
>> >> > device conversions when you've got them ready so that we get them stress
>> >> > tested at the UPF next week.
>> >>
>> >> Thanks... I'll submit them soonish.
>> >>
>> >> Should we change the interface names to include a version, too? Or
>> >> change the bus name to something like bluez5?
>> >
>> > I am not in favor of that actually. Since this the reverse domain name.
>> > And we do not own bluez5.org and I am not planning to get a new domain
>> > name for every major release.
>> >
>> > We need to think about the versioning at some point, but maybe we leave
>> > that for BlueZ 6.x then. At some point we need to finish this one first.
>>
>>
>> Then if you are going to support both bluez4 and bluez5, there's no
>> way  at runtime to determine which backend to use.
>> We already suffered from that with connman, for example. But it had
>> not hit 1.0 so we couldn't do much.
>>
>> Reverse domain name is just a convention, as is the major version
>> number. I'd prefer breaking the former convention rather than screwing
>> with the users or let them checking at compile time.
>>
>> For example, I have this on my desktop:
>>
>> org.freedesktop.PolicyKit1,
>> org.freedesktop.RealtimeKit1,
>> org.freedesktop.login1
>> org.freedesktop.systemd1
>> fi.w1.wpa_supplicant1
>>
>> Do they all have these domains?
>
> yes, and the first 4 are subdomains.
>
>> Another option is to go with subdomains: org.bluez.v5 ;-)
>
> We could. Let the current code ObjectManager get stable first. It will
> get the first real exposure at the UPF next week. Then we see.

Agreed. Thanks.

Lucas De Marchi
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