[SR-Users] Re: enum queries using Kamailio in asynchronous mode ?

[Chaigneau, Nicolas via sr-users]

I’m not sure how to do that though…
If I do something like this:

...
async_workers_group="name=enum;workers=4;nonblock=0;usleep=0"
...
request_route {
    ...
    async_task_route("ENUM", "enum");
    ...
}
route[ENUM] {
   # query enum servers here
   # then proceed with the remaining of the routing logic
   ...
}
...


This can still block all async workers… and then my Kamailio would also become 
blocked ?
Am I missing something ?


Regards,
Nicolas.

De : Chaigneau, Nicolas via sr-users <sr-users@lists.kamailio.org>
Envoyé : mardi 19 décembre 2023 09:19
À : Henning Westerholt; Kamailio (SER) - Users Mailing List
Cc : Chaigneau, Nicolas
Objet : [SR-Users] Re: enum queries using Kamailio in asynchronous mode ?

Thanks Henning!
The async module seems a good solution indeed, I’ll look into this.

Regards,
Nicolas.

De : Henning Westerholt <h...@gilawa.com<mailto:h...@gilawa.com>>
Envoyé : mardi 19 décembre 2023 09:10
À : Kamailio (SER) - Users Mailing List
Cc : Chaigneau, Nicolas
Objet : RE: enum queries using Kamailio in asynchronous mode ?

Hello,

the enum module seems to execute its queries synchronously indeed.

Asynchronous execution could be added to the module or as another module. Maybe 
also adding some configurable timeout values to not block the server in case of 
errors would be also sufficient. You can also look at the async module to see 
if maybe this is an easier solution:
https://www.kamailio.org/docs/modules/devel/modules/async.html

Cheers,

Henning

From: Chaigneau, Nicolas via sr-users 
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Sent: Freitag, 15. Dezember 2023 10:37
To: Kamailio (SER) - Users Mailing List 
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Cc: Chaigneau, Nicolas 
<nicolas.chaign...@capgemini.com<mailto:nicolas.chaign...@capgemini.com>>
Subject: [SR-Users] enum queries using Kamailio in asynchronous mode ?

Hello,


I will need to perform enum queries from Kamailio.

I see that there is a module for that:
https://www.kamailio.org/docs/modules/devel/modules/enum.html

However, I’m worried that if the enum server is unresponsive, this could block 
all workers…
I don’t think the module can handle an asynchronous mode ? I see that we have a 
specific module for HTTP async:
https://www.kamailio.org/docs/modules/devel/modules/http_async_client.html

Has anyone had to implement this kind of need with enum in Kamailio ?


Thanks.

Regards,
Nicolas.
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