[OpenSIPS-Users] Query about avp in siptrace module

Daniel Zanutti daniel.zanutti at gmail.com
Mon Mar 21 18:19:31 CET 2016


Hi

AVP is a kind of variable on Opensips.

When you configured the siptrace module to use the AVP, you must ensure
that the AVP has some kind of value before routing the package, otherwise
it will be NULL. Just add this on first line of main route:
*$avp(traced_user) = 1;*





On Mon, Mar 21, 2016 at 12:46 PM, Ramachandran, Agalya (Contractor) <
Agalya_Ramachandran at comcast.com> wrote:

> Hi All,
>
>
>
> Anyone can help me out for the below issues and questions I have?
>
>
>
> Regards,
>
> Agalya
>
>
>
> *From:* users-bounces at lists.opensips.org [mailto:
> users-bounces at lists.opensips.org] *On Behalf Of *Ramachandran, Agalya
> (Contractor)
> *Sent:* Thursday, March 17, 2016 10:28 AM
> *To:* users at lists.opensips.org
> *Subject:* [OpenSIPS-Users] Query about avp in siptrace module
>
>
>
> Hi,
>
>
>
> Am Agalya and we are using opensips for our project and using “*siptrace”
> *module to trace and duplicate the sip packets to another server.
>
> When trying to do so, am getting the below error.
>
>
>
> Mar  2 14:48:21 poc-opensip-cmc-e-001 /usr/local/sbin/opensips[27754]:
> DBG:siptrace:trace_onreq_in: trace on req in
>
> Mar  2 14:48:21 poc-opensip-cmc-e-001 /usr/local/sbin/opensips[27754]:
> DBG:siptrace:trace_onreq_in: nothing to trace...
>
>
>
> I thought adding *“traced_user_avp”* parameter might solve the issue. I
> have added the below line and tested the same.
>
> But I didn’t get through the error and was still seeing the same error.
>
> *modparam("siptrace", "traced_user_avp", "$avp(traced_user)")*
>
>
>
> As a workaround, I commented the below lines in *“siptrace.c”* file in
> function *trace_onreq_in()*, and it worked for me.
>
> Packets are sent to another server. Following the same I have commented
> the same line of code wherever it is failing for me.
>
> By adding some debugging statements I found *AVP is NULL and
> (!flag_trace_is_set(msg)) returns 1.*
>
> /*if( (avp==NULL) && !flag_trace_is_set(msg))
>
>         {
>
>                 LM_DBG("nothing to trace...\n");
>
>                 return;
>
>         }*/
>
>
>
> Query : What is avp? And when avp is returned NULL?
>
>                  What should I do in order to avoid that error without
> commenting the code?
>
>                  Why is “traced_user_avp” parameter is used in config file?
>
>
>
> It would be great if you help me to come out of this issue. Also am
> curious what causes this error message.
>
>
>
> Regards,
>
> Agalya
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
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