[OpenSIPS-Users] Launch and async

Bogdan-Andrei Iancu bogdan at opensips.org
Thu Apr 18 07:15:28 UTC 2024


Hi,

The only way to do a non-blocking waiting is via the async(sleep()) 
combination, but the async() statement works only in main request route 
(in route{}) and not for reply route :( .

Doing a blocking sleep() it is very very dangerous in terms of 
performance, as you will block the opensips processes with these sleep()'s.

Anyhow, from SIP perspective it is not wise to delay a reply, as this 
will trigger retransmissions from the UAC side....so, not sure if what 
you try to do is actually something right.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
   https://www.siphub.com

On 16.04.2024 17:25, Parthesh Bhavsar via Users wrote:
> I'm facing a challenge in my OpenSIPS implementation where I need to 
> perform certain operations after receiving a 200 OK response, but only 
> after waiting for 10 seconds. Currently, I'm considering using the 
> sleep() function, but I'm concerned about its impact on performance.
>
> Is there a recommended approach to achieve this functionality without 
> compromising OpenSIPS performance? I'd appreciate any advice or 
> alternative solutions you can offer.
>
>
> Regards,
>
> *Parthesh Bhavsar | Software Engineer | VOIP*
>
>
>
> On Tue, Apr 16, 2024 at 7:39 PM Parthesh Bhavsar 
> <parthesh.bhavsar at ecosmob.com> wrote:
>
>     Hello,
>     I want to use Launch and async function for function sleep() as I
>     need to wait for some time to do some operations but from the
>     route which I use in above function I am not able to use any
>     variable for my operation and from documentation it seems
>     only able to use those variable which sleep() function use so is
>     there any alternative solution to get variable??? or any other
>     function on which I can wait for a specific time without blocking
>     opensips??
>
>
>     Regards,
>
>     *Parthesh Bhavsar | Software Engineer | VOIP*
>
>
> *https://www.ecosmob.com/opensips-summit/ 
> <https://www.ecosmob.com/opensips-summit/>
> *
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