Hi Federico,
That's a very good point. And the only way to do this would be by some
extension in the remove_ip_port() to skip certain contacts, maybe based
on some branch flag (bflag).....Currently there is no way to do this
kind of skipping with the existing code.
Maybe a crazy idea here....to use 2 usrloc domains/tables, like
"location" for regular contacts and "location-pn" for the push
notification contacts. You do (based on E_CORE_TCP_DISCONNECT) removal
only from "location"...and when you do lookup, you do from both ..
Again, crazy idea :)
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
On 08.10.2024 14:09, Federico Edorna wrote:
Thanks Bogan, very useful information. Regarding the
E_CORE_TCP_DISCONNECT event, I wonder if it is possible to avoid
removing the contact for Push Notification user agents. Because the
TCP connection may go down, but we must keep the contact in usrloc. Do
you think it is possible to detect this special case in some way?
Best regards
On Thu, Oct 3, 2024 at 11:49 AM Bogdan-Andrei Iancu
<bog...@opensips.org> wrote:
Sure, it will do it!
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
On 03.10.2024 17:26, M S wrote:
What if I add a header (in local_route) to locally generated
unregister messages from midregistrar opensips to tell the main
registrar that it is a special message, and in the main registrar
just call save("location") for these messages without any
www_authorize?
On Thu, Oct 3, 2024 at 4:00 PM Bogdan-Andrei Iancu
<bog...@opensips.org> wrote:
Well, good question. The mechanism will perfectly work
between the mid_registrar and the end-devices. But if the
mid_registrar detects and remove a zombie contact, it may
have to preform a de-registration (depending on the mid
registrar mode) with the main registrar. That means an
REGISTER generated by mid-registrar OpenSIPS - and if you do
digest auth on the main registrar, this will fail :(
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
On 03.10.2024 16:20, M S wrote:
Hi Bogdan,
Thank you for your post and explanation, does this work the
same with mid_registrar too, i.e. if a contact is marked
with RTO is it discarded from mid_registrar location if it
is zombie?
Thank you!
On Thu, Oct 3, 2024 at 1:04 PM Bogdan-Andrei Iancu
<bog...@opensips.org> wrote:
Here is a short post on how to improve your OpenSIPS
registrar
performance and also your user's experience in the same
time.... by
fighting the zombies.... the zombie registrations 🙂
https://blog.opensips.org/2024/10/03/how-to-eliminate-zombie-registrations-in-opensips/
Enjoy,
--
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
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