Re: RFC authselect: mdns or mdns-minimal

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On Tuesday, 01 August 2023 at 12:16, Petr Menšík wrote:
> Hi Pavel,
> 
> With Avahi upstream maintainer hat on, I would say it still makes sense to
> have separate mdns*_minimal and mdns? modules. I would say mdns
> (non-minimal) should be rarely needed, because by default it should be used
> just for *.local names. As I have wrote to referenced ticket, I think we
> want to prefer mdns_minimal in the future, but it first needs solving
> increased timeouts for not present names [1]. As soon as it is solved on
> avahi-daemon side, we can deprecate mdns{4,6}_minimal and mdns{4,6}
> variants. If only one family should be resolved, I think it would be better
> to configure it on side of avahi-daemon.

Simpler is good if it still offers the features required by Fedora.

> I think mdns resolution needs smarter approach from avahi-daemon. It might
> be useful to not open and re-parse /etc/mdns.allow on every single
> ``getaddrinfo()`` call, but cache it in thread local storage and re-read its
> contents only on timestamp change. Maybe with checking the file stamp only
> once per second at most.

Isn't inotify what should be used in such cases?

Regards,
Dominik
-- 
Fedora   https://fedoraproject.org
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        -- from "Collected Sayings of Muad'Dib" by the Princess Irulan
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