[SR-Users] Problem using textops API

[Timo Klecker]

Hello Daniel,

 

it works now:

0(22097) DEBUG: <core> [sr_module.c:625]: find_export_record: found
<bind_textops> in module textops [/usr/lib/kamailio/modules_k/textops.so]

 

Thanks!

 

 

We are going to add some functionality to the siptrace module concerning
distributed logging without writing the data to your local database. When
using trace_send_duplicate we loose the information from fromip_column,
toip_column and direction_column as well as the exact time. So we need to
send this information, too. We have two approaches.

 

First approach:

Instead of writing the data to the local database send all the database
fields in one udp paket to another server and write them into database
there. 

 

Second approach:

Add 4 header fields containing the information to the sip-message and send
the SIP message to another Kamailio server using trace_send_duplicate. There
remove the 4 Header fields and write into the database. 

 

Do you think there is a better way to achieve this?

 

Kind regards

Timo Klecker 

 

 

 

Von: Daniel-Constantin Mierla [mailto:miconda at gmail.com] 
Gesendet: Donnerstag, 28. Juli 2011 13:25
An: SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users
Mailing List
Cc: Timo Klecker
Betreff: Re: [SR-Users] Problem using textops API

 

Hello,

probably it was forgotten to export the internal API bind function. I just
committed the fix on GIT master branch (devel version):

http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=db188fbc
f4d752a2afab2e298a2f081f836d7e92

I couldn't test it for now, so if you can give it a try and report whether
it is working ok or not, then I can backport the fix to 3.1.

Thanks,
Daniel

On 7/28/11 12:46 PM, Timo Klecker wrote: 

Hi,

 

I'm trying to extend a Kamailio Module and need to add and remove headers in
a SIP Message. To do this I want to use the textops module and I am
importing the api and trying to bind the textops module. 

 

#include "../textops/api.h"

[..]

struct textops_binds tob;

[..]

/* register callbacks to TEXTOPS */

if (load_textops_api(&tob)!=0)

{

                LM_ERR("can't load textops api. Is module textops
loaded?\n");

                return -1;

}

 

Later I use tob.append_hf to add a header field.

 

Everything compiles fine but on Kamailio startup there is a Error Message:

 

[..]

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #0/2: 9(9)/ (nil)

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #1/2: 3(3)/ (nil)

0(21782) DEBUG: <core> [sr_module.c:625]: find_export_record: found
<is_method> in module textops [/usr/lib/kamailio/modules_k/textops.so]

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #0/2: 9(9)/ (nil)

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #1/2: 3(3)/ (nil)

0(21782) DEBUG: <core> [sr_module.c:625]: find_export_record: found
<is_method> in module textops [/usr/lib/kamailio/modules_k/textops.so]

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #0/2: 9(9)/ (nil)

0(21782) DEBUG: <core> [route_struct.c:166]: ACTION_#25 #1/2: 3(3)/ (nil)

[..]

0(21784) DEBUG: <core> [sr_module.c:625]: find_export_record: found
<t_release> in module tm [/usr/lib/kamailio/modules/tm.so]

0(21784) DEBUG: <core> [sr_module.c:631]: find_export_record: <load_textops>
not found

0(21784) ERROR: siptrace [../../modules_k/textops/api.h:63]: Failed to
import load_textops

0(21784) ERROR: siptrace [siptrace.c:314]: can't load textops api. Is module
textops loaded?

0(21784) ERROR: <core> [sr_module.c:875]: init_mod(): Error while
initializing module siptrace (/usr/lib/kamailio/modules_k/siptrace.so)

ERROR: error while initializing modules

0(21784) DEBUG: tm [t_funcs.c:122]: DEBUG: tm_shutdown : start

0(21784) DEBUG: tm [t_funcs.c:125]: DEBUG: tm_shutdown : emptying hash table

[..]

 

I am running Kamailio 3.1.4.

 

Is this a bug in Kamailio or am I doing anything wrong in my approach to use
textops?

 

Kind regards,

Timo Klecker 

 

 

 






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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
http://linkedin.com/in/miconda -- http://twitter.com/miconda
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