Consider $rc.
—
Sent from mobile, apologies for brevity and errors.
> On Apr 2, 2023, at 1:01 PM, Chaigneau, Nicolas
> <nicolas.chaign...@capgemini.com> wrote:
>
> Hello,
>
>
>
> I have a question regarding Kamailio script and how the return code from a
> command export is handled as a boolean.
>
>
> In Kamailio script, see this example:
>
> if (!jansson_get("method", $rb, "$var(method)")) {
> xhttp_reply("400", "Bad Request", "", "");
> exit;
> }
>
> This code works, but I'm not sure why.
> Command "jansson_get" returns 1 if successful, and -1 if fails. Both values
> should be false.
> Which I can see when testing with this:
>
> $var(r) = jansson_get("method", $rb, "$var(method)");
> xlog("L_INFO", "jansson_get r: [$var(r)]\n");
> if (!$var(r)) {
> xlog("L_INFO", "jansson_get r: [$var(r)] => FALSE\n");
> } else {
> xlog("L_INFO", "jansson_get r: [$var(r)] => TRUE\n");
> }
>
> In all cases, the result is always TRUE.
> Is there some kind of "magic" conversion when directly checking the return of
> a command in Kamailio script ?
>
>
> With KEMI python, the equivalent does not work:
>
> if not KSR.jansson.get("method", KSR.pv.get("$rb"), "$var(method)"):
> KSR.xhttp.xhttp_reply(400, "Bad Request", "", "")
> return 1
>
> So I have to do the following instead:
>
> if KSR.jansson.get("method", KSR.pv.get("$rb"), "$var(method)") < 0:
> KSR.xhttp.xhttp_reply(400, "Bad Request", "", "")
> return 1
>
>
>
> Thank you for your help.
>
> Regards,
> Nicolas.
>
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