[sr-dev] Resetting private variables between requests?

[Armen Babikyan]

Hi Daniel,

Thanks for your response.

Any thoughts to my later comments? i.e. would you consider a patch that
resets these variables between top-level request_route executions, either
by $var(all) = $null, and/or modparam behavior, and/or something else?

BTW, is the current behavior done this way for a specific reason or
foreseen complication (i.e. one that I am not seeing at the moment)?

Thanks!

Armen

On Wed, Jan 18, 2017 at 6:35 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

> Hello,
>
> preparing the release of v4.4.5 and digesting the sr-dev mailing list
> activity, I noticed that this was not answered.
>
> The $var(x) type of variables is not reset, they persist over execution of
> the routing blocks. Their values are stored in private memory, so they are
> like global variables per each kamailio process/worker. You have to reset
> them explicitly.
>
> Cheers,
> Daniel
>
> On 26/11/2016 00:19, Armen Babikyan wrote:
>
> Hello,
>
> I recall reading somewhere that all private variables (i.e.
> $var(foo)-style pvs) are reset/destroyed between request_route executions,
> but I have a suspicion this is not happening - either in some limited cases
> or perhaps in all cases.
>
> I suppose the most telling symptom is that I see no references to either
> destroy_vars() or reset_vars() functions that are defined in
> $kamailio/modules/pv/pv_svar.{c,h}.
>
> Is this behavior intentional?  If so, I'll see what I can do about
> implementing a mechanism that manually resets (or destroys?) variables with
> a  "$var(all) = $null;"-type of statement (similar to "$uac_req(all) =
> $null;"), or making a modparam setting that automatically does this.
>
> Thoughts welcome.  Thanks!
>
> Armen
>
>
>
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>
> --
> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>
>
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