Re: Temporary device removal during discovery

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Hi Andrey,

On Wed, Jul 8, 2020 at 3:57 PM Andrey Batyiev <batyiev@xxxxxxxxx> wrote:
>
> Hi Luiz,
>
> On Thu, Jul 9, 2020 at 12:14 AM Luiz Augusto von Dentz
> <luiz.dentz@xxxxxxxxx> wrote:
> > The delta logic might be a nice addition as a separate patch, it is
> > more for detecting devices disappearing then actually cleanup during
> > power off.
> No-no, it's not about adapter powering off.
>
> I meant that (external) devices never disappear from the bluez device
> list during the discovery,
> even if the (external) devices are turned off (i.e. they should be
> purged by bluez).
>
> So:
> - bluez is central
> - bluez is discovering
> - peripheral appear for a moment, than disappear (i.e. peripheral
> would be turned off)
> - bluez would not remove device from the list (at least until
> discovery is stopped)
>
> Use case:
> - bluez is monitoring environment (discovering literally forever)
> - peripherals are brought in and out of bluez visibility range
> - bluez list of visible devices grows infinitely and causes problems
> (hundreds of devices)

That is exactly what I mean with detecting devices disappearing, so
I'm fine to introduce such logic and use the temporary timeout so it
can be removed while an existing discovery is in place.

-- 
Luiz Augusto von Dentz



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