Re: [PATCH BlueZ 2/4] gdbus: Automatically register '/' path

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Hi Lucas,

On Mon, Nov 19, 2012 at 2:06 PM, Lucas De Marchi
<lucas.demarchi@xxxxxxxxxxxxxx> wrote:
> Hi Luiz,
>
> On Mon, Nov 19, 2012 at 6:46 AM, Luiz Augusto von Dentz
> <luiz.dentz@xxxxxxxxx> wrote:
>> From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
>>
>> This makes g_dbus_setup_bus to automatically register '/' path so
>> user application that don't export any interface on '/' will have it
>> registered for ObjectManager.
>>
>> Note that it is now required to call g_dbus_close before exit.
>
> I'm no really fan of this. Why do we need to register '/' now?  If we
> are not going to support ObjectManager interfaces in subtrees, it
> would be easier to just move the ObjectManager to the shortest path
> registered rather than always registering '/'.

Maybe I should have made clear this in the description, if you look at
the spec it suggest that each sub-tree root should implement
ObjectManager, the current implementation does that but if you think
about it probably doesn't make sense to have sub-trees because that
would creates extra round trips that ObjectManager was meant to
prevent, also Im not completely sure now but I remember someone
mentioning the '/' is kind special and should always be available no
matter what, so by registering '/' directly on g_dbus_setup_bus we
guarantee we have it always and that no sub-tree is going to be
generated since '/' is the root no matter what path the user code
register.

--
Luiz Augusto von Dentz
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