Ahh, right, xavp_count() -- didn't remember about it, although I
implemented the function :-) .
Cheers,
Daniel
On 09.11.21 13:17, Chaigneau, Nicolas wrote:
> A C function already exists for that: xavp_count.
> Hereafter, the code for a PV that I added to a custom module to do the job.
>
>
>
> static pv_export_t mod_pvs[] = {
> {STR_STATIC_INIT("xavp_size"), PVT_OTHER, pv_getf_xavp_size, 0,
> pv_parse_string, 0, 0, 0},
> /* Usage: $xavp_size( name );
>* Get the number of rows stored in xavp "name".
>* Result is integer: the number of rows.
>*/
>
> { {0, 0}, 0, 0, 0, 0, 0, 0, 0 }
> };
>
>
> /**
> * Get the number of rows stored in an xavp.
> */
> static int pv_getf_xavp_size(struct sip_msg *msg, pv_param_t *param,
> pv_value_t *res)
> {
> if (msg == NULL || param == NULL || param->pvn.type != PV_NAME_INTSTR) {
> LM_ERR("Invalid parameters\n");
> return -1;
> }
>
> int c = xavp_count(>pvn.u.isname.name.s, NULL);
>
> return pv_get_sintval(msg, param, res, c);
> }
>
> /**
> * Invoked upon server startup.
> * Parse "" and store the string.
> */
> static int pv_parse_string(pv_spec_p sp, str *in)
> {
> if (sp == NULL || in == NULL || in->len <= 0) {
> LM_ERR("Invalid parameters\n");
> return -1;
> }
>
> LM_DBG("in: [%.*s]\n", in->len, in->s);
>
> str pvs;
> pvs = *in;
> trim();
>
> sp->pvp.pvn.type = PV_NAME_INTSTR;
> sp->pvp.pvn.u.isname.type = AVP_NAME_STR;
> sp->pvp.pvn.u.isname.name.s = pvs;
>
> return 0;
> }
>
>
>
> -Message d'origine-
> De : sr-users De la part de
> Daniel-Constantin Mierla
> Envoyé : mardi 9 novembre 2021 08:33
> À : Kamailio (SER) - Users Mailing List; Benoît Panizzon
> Objet : Re: [SR-Users] How to determine size (number of elements) in xavp
> stack?
>
> ***This mail has been sent by an external source***
>
> Hello,
>
> I do not remember any function to count xavps at this moment, it can be added
> of course if someone wants to make a pull request. Otherwise, the options is
> looping with index through all xavps for the name you want. A c function will
> have to do the same, internally there is no field keeping the number of
> avp/xavp with same name.
>
> Cheers,
> Daniel
>
> On 08.11.21 16:21, Benoît Panizzon wrote:
>> Dear Community
>>
>> In my previous post I mentioned my problem with sql_xquery
>>
>> I fear I used this wrong.
>>
>> $dbr is probably only populated if sql_query is used. Anyway, it is
>> always 0 in my testings, even if I clearly get a result.
>>
>> Now I would like to know how many results I have. How can I determine
>> the size of an $xavp stack (or array)?
>>
>> Or is there another way to get the number of rows returned by a
>> sql_xquery without looping an index through all rows?
>>
>> --
>> Mit freundlichen Grüssen
>>
>> -Benoît Panizzon- @ HomeOffice und normal erreichbar
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