[SR-Users] Tips on picking random element from a list

[Joel Serrano]

I did, but I don't see how to limit the range:

>From the docs: Returns a random value from the [0 - 2^31) range.

Is there a way to limit the range from 1-100 for example? Or maybe the way
is to use $RANDOM and just rely on the first/last 2 digits (essentially a
00-99 range)?


On Tue, May 3, 2022 at 10:40 AM Henning Westerholt <hw at gilawa.com> wrote:

> Hello,
>
>
>
> what about just using this PV:
> https://kamailio.org/docs/modules/5.5.x/modules/cfgutils.html#idm438
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* sr-users <sr-users-bounces at lists.kamailio.org> *On Behalf Of *Joel
> Serrano
> *Sent:* Tuesday, May 3, 2022 6:20 PM
> *To:* Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
> *Subject:* [SR-Users] Tips on picking random element from a list
>
>
>
> Hi Everyone,
>
>
>
> I have to implement a flow where outbound calls get their caller-id set
> with a random number from a pool.
>
>
>
> I've been looking around and, as most of the time, there are tons of ways
> to implement something like this... This is a simple implementation, the
> number pool is fixed and will not change (so I could have it hard-coded in
> the config if required).
>
>
>
> My initial approach was:
>
>
>
> 1- Try to keep it simple, with no dependencies, and all done in the config
> script.
>
> 2- If #1 is "ugly", then I'd probably go with some inline code using
> python/lua/etc
>
> 3- If #2 is "ugly", then I'd go with having the info in a DB and just run
> a query
>
>
>
> I think #2 and #3 might be overkill for something so "simple" but I
> haven't had to work too much with randomness in Kamailio, so any
> tips/suggestions on where to store the number list and how to pick one
> randomly would be awesome!
>
>
>
> Thanks!!
>
> Joel.
>
>
>
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