30 Sep
2022
30 Sep
'22
9:48 a.m.
Hello,
after a transaction suspend/resume, the execution context is similar to
a failure_route. The msg_apply_changes() cannot be used after creating
the transaction due to various cross-linking inside transaction
structure, plus callbacks set by various modules (e.g., acc, dialog, ...).
Header changes (like updating contact) should propagate to each outgoing
branch if they are done before creating the transaction, then they
should be on per processed outgoing branch.
An alternative could be use of siprepo module, which is still in an
incipient phase, but leveraging other modules around it could offer a
different mechanism for async operations:
- https://www.kamailio.org/docs/modules/stable/modules/siprepo.html
Cheers,
Daniel
On 30.09.22 02:54, Alex Balashov wrote:
I ran into similar issues, but unfortunately don’t
remember how I solved them and no longer have the config handy. I deemed http_async_client
nonviable for these kinds of reasons, though that may have been a dated conclusion.
As best as I can remember—which may be not at all—my solution was to use regular request
routes with the regular blocking HTTP client, suspended/resumed over mqueue + rtimer.
— Alex
--
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Kamailio Advanced Training - Online
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On Sep 29, 2022, at 5:56 PM, Brooks Bridges
<bbridges(a)call48.com> wrote:
I'm also running into issue with append_branch working correctly inside the
http_async event route, in that it's appending multiple strings in the contact header
for each additional unique invite. E.g. the first invite has the response I expect, but
the second invite's response has the contact header from the first invite on it, and
then additionally the header for the second invite. The 3rd invite ends up with the 2
previous ones and the "new" one, and so on. I've never seen this happen and
I can only surmise that's it's some kind of odd value collision in the http_async
result route?
Brooks Bridges
1200 S. Rogers Circle, Unit 6
Boca Raton, FL 33487
Office: 916-235-2097 Main: 888-444-1111
email: bbridges(a)call48.com | web: www.call48.com
-----Original Message-----
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Brooks Bridges
Sent: Thursday, September 29, 2022 14:09
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] http_async_client "route_name" is what type of route?
That was kind of my thought too, but ...
Anyway, that just brought up a whole host of other problems, so I don't see that
being feasible either. Any suggestions on a way to rewrite (or in this case replace) a
Contact header in the http_async reply route?
Brooks Bridges
1200 S. Rogers Circle, Unit 6
Boca Raton, FL 33487
Office: 916-235-2097 Main: 888-444-1111
email: bbridges(a)call48.com | web: www.call48.com
-----Original Message-----
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Alex Balashov
Sent: Thursday, September 29, 2022 14:00
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] http_async_client "route_name" is what type of route?
There is arguably no sense in using http_async_client if you don’t use suspend.
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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* https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users On Sep 29, 2022, at 4:58 PM, Brooks Bridges
<bbridges(a)call48.com> wrote:
Specifically msg_apply_changes() is what I'm trying to make work to return an updated
Contact header.
I will look into the suspend option, thanks!
Brooks Bridges
1200 S. Rogers Circle, Unit 6
Boca Raton, FL 33487
Office: 916-235-2097 Main: 888-444-1111
email: bbridges(a)call48.com | web: www.call48.com
-----Original Message-----
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Alex Balashov
Sent: Thursday, September 29, 2022 13:50
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] http_async_client "route_name" is what type of route?
It’s a module-specific event route.
Are you using $http_req(suspend)? If so, try — and it’s a long shot, but try it:
route[HTTP_REPLY] {
…
route(ANOTHER_ROUTE);
}
Are the functions you want available inside route[ANOTHER_ROUTE]?
— Alex
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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* https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users On Sep 29, 2022, at 4:46 PM, Brooks Bridges
<bbridges(a)call48.com> wrote:
Running into an issue where I can't access certain functions inside the response
route or "route_name" for handling the asynchronous reply from an
http_async_query() that's being run. Does anyone know what type of route that is
considered to be? I know it's not a request route or a failure route based on the
errors I'm getting, but I can't find anything that outlines what that route
actually is.
Thanks!
Brooks Bridges
1200 S. Rogers Circle, Unit 6
Boca Raton, FL 33487
Office: 916-235-2097 Main: 888-444-1111
email: bbridges(a)call48.com | web: www.call48.com
Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and
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--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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