[OpenSIPS-Users] Query about avp in siptrace module

[Ramachandran, Agalya (Contractor)]

Hi Daniel,

It worked now after replacing the changes in the config file you sent.
Thank you so much for helping out me in order to understand the usage and how to use AVP variable.

Regards,
Agalya
From: users-bounces at lists.opensips.org [mailto:users-bounces at lists.opensips.org] On Behalf Of Daniel Zanutti
Sent: Wednesday, March 23, 2016 2:19 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Query about avp in siptrace module

Try this one, it should work.

Siptrace module will only record the packets, if the AVP variable is set.

On Wed, Mar 23, 2016 at 11:09 AM, Ramachandran, Agalya (Contractor) <Agalya_Ramachandran at comcast.com<mailto:Agalya_Ramachandran at comcast.com>> wrote:
Hi Daniel,

Here is the snippet of the opensips log where I am getting AVP value is NULL. I have added this debug statement in order to ensure that AVP is NULL.
Also am attaching the opensips.cfg file.

Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:core:parse_headers: this is the first via
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:core:receive_msg: After parse_msg...
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:core:receive_msg: preparing to run routing scripts...
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:siptrace:sip_trace: **************AVP IS NULL**********...
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:siptrace:sip_trace: nothing to trace...
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:core:parse_headers: flags=ffffffffffffffff
Mar 22 13:59:20 ma-siplb-as-a-001 /usr/local/sbin/opensips[869]: DBG:core:parse_via_param: found param type 232, <branch> = <z9hG4bKu3ffxvd3kydewefyywffkn3tc>; state=16

What is the use of avp variable with respect to siptrace module? It would be great if you help me out on this.

Regards,
Agalya

From: users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org> [mailto:users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>] On Behalf Of Daniel Zanutti
Sent: Tuesday, March 22, 2016 12:22 PM

To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: Re: [OpenSIPS-Users] Query about avp in siptrace module

Hi Agalya

Could you post you opensips.cfg file and some trace with the AVP = NULL error?

On Tue, Mar 22, 2016 at 12:07 PM, Ramachandran, Agalya (Contractor) <Agalya_Ramachandran at comcast.com<mailto:Agalya_Ramachandran at comcast.com>> wrote:
Hi Daniel,

I have already set the onreply_avp_mode.
modparam("tm", "onreply_avp_mode", 1)

Added  the below line in route at the very beginning as suggested by you.
$avp(traced_user) = "1";

Am calling sip_trace() in ‘route’ and ‘onreply_route’.
Still am seeing AVP is NULL in my traces.  Can you please clarify me on what am missing out.

Regards,
Agalya


From: users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org> [mailto:users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>] On Behalf Of Daniel Zanutti
Sent: Monday, March 21, 2016 2:24 PM
To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: Re: [OpenSIPS-Users] Query about avp in siptrace module

Please take a look at AVP page:
http://www.opensips.org/html/docs/modules/1.9.x/avpops.html#id248034

'AVPs are persistent per SIP transaction, being available in "route", "branch_route" and "failure_route". To make them available in "onreply_route" armed via TM module, set "onreply_avp_mode" parameter of TM module (note that in the default "onreply_route", the AVPs of the transaction are not available)'

The AVP is persistent at the SIP transaction. Even if not, you are setting it again on every message received.

Don't forget to call sip_trace again on reply_route

Regards


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