Try to convert to int using the {s.int} transformation.

Regards,
Ovidiu Sas

On Mon, May 3, 2021 at 5:41 PM David Villasmil
<david.villasmil.work@gmail.com> wrote:
>
> Hello guys,
>
> I'm trying to do the following:
>
> On INVITE, i add a param to RR "wsconnid" which is the connection id of the WS socket.
> Afterwards, i get an OPTIONS including said param.
>
> Next I want to retrieve the param and check if the connection is alive.
>
> NOTE: using simply "$(hdr(Route){param.value,wsconnid})" returns an extra ">" from the end of the string, and i haven't been able to remove that any other way but with "striptail", it works fine.
>
> ***
>     $var(conid) = $(hdr(Route){param.value,wsconnid});
>     $var(conid) = $(var(conid){s.striptail,1});
>     xlog("L_ERR", "Connection ID parameter: [$var(conid)]");
>     if (tcp_conid_alive("$var(conid)")) {
>         xlog("L_ERR", "WS Connection ID $var(conid) is alive");
>     } else {
>         xlog("L_ERR", "WS Connection ID $var(conid) is NOT alive");
>     }
> ***
>
> With that, "$var(conid)" contains the connection id properly:
> ***
> ERROR: <script>: Connection ID parameter: [2]
> ***
>
> but tcp_conid_alive complaints:
> ***
> ERROR: <core> [core/sr_module.c:1638]: get_int_fparam(): Could not convert PV to int
> ERROR: tcpops [tcpops_mod.c:374]: w_tcp_conid_state(): invalid parameter 'conid' (must be a number)
> ***
>
> Using a hardcoded number such as "1" generates no complaints.
>
> Kamailio version:
> version: kamailio 5.3.7 (x86_64/linux)
>
> Not sure what's going on here, any ideas?
>
> Regards,
>
> David Villasmil
> email: david.villasmil.work@gmail.com
> phone: +34669448337
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