[sr-dev] Adding new fields in pcscf.location table

Александър Йосифов alexyosifov at gmail.com
Fri Jun 21 08:57:43 CEST 2019

Hello Henning,
First to say again that I am working on ims_usrloc_pcscf module and I am
using the latest kamailio source code 5.3.0-dev6.
I already did what you wrote in the first email, but I am a little bit
I found the location table in src/lib/srdb1/schema, but the fields inside
the location.xml file are completely different from fields in my local
pcscf location table.
I did a little experiment:
1. Add a new field in src/lib/srdb1/schema/location.xml file:
        <description>The value to of the partition2 for keep alive
2. Execute make dbschmena.
3. Changed files:
        modified:   utils/kamctl/db_berkeley/kamailio/location
        modified:   utils/kamctl/db_redis/kamailio/location
        modified:   utils/kamctl/db_sqlite/usrloc-create.sql
        modified:   utils/kamctl/dbtext/kamailio/location
        modified:   utils/kamctl/mongodb/kamailio/location.json
        *modified:   utils/kamctl/mysql/usrloc-create.sql*
        modified:   utils/kamctl/oracle/usrloc-create.sql
        modified:   utils/kamctl/postgres/usrloc-create.sql
        modified:   utils/kamctl/xhttp_pi/pi_framework.xml
        modified:   utils/kamctl/xhttp_pi/usrloc-mod
        modified:   utils/kamctl/xhttp_pi/usrloc-table
This works great!
But bolder table is not the right table for *ims_usrloc_pcscf* module. Into
the source code the fields are placed in
src/modules/ims_usrloc_pcscf/usrloc_db.h file and they are completely
different from the fields in src/lib/srdb1/schema/location.xml. I just
listed some of them:
#define T_PORTPC_COL        "t_port_pc"
#define T_PORTPS_COL        "t_port_ps"
#define T_PORTUC_COL        "t_port_uc"
#define T_PORTUS_COL        "t_port_us"

I looked in utils/kamctl/mysql folder and I found
ims_usrloc_pcscf-create.sql file with the exact fields like in
>From my point of view there is no src/lib/srdb1/schema/ims_usrloc_pcscf.xml
file to make changes to generate the new ims_usrloc_pcscf-create.sql with
the new fields.

On Thu, 20 Jun 2019 at 23:40, Henning Westerholt <hw at skalatan.de> wrote:

> Hello,
> try to grep the table name in the XML. You should be able to find it.
> Editing the generated SQL files will only work for your local deployment,
> as they will get overwritten by the next change in the repository.
> Cheers,
> Henning
> --
> Henning Westerholt - https://skalatan.de/blog/
> Kamailio services - https://skalatan.de/services
> Von: Александър Йосифов
> Gesendet: Montag, 17. Juni, 15:38
> Betreff: Re: [sr-dev] Adding new fields in pcscf.location table
> An: Henning Westerholt
> Cc: sr-dev at lists.kamailio.org
> Hi,
> Thank you for the quick response!
> I couldn't find the xml file for ims p-cscf user location table in
> src/lib/srdb1/schema, but I found ims_usrloc_pcscf-create.sql file in
> utils/kamctl/mysql folder.
> Is it enough and correct to edit this file with the new fields and
> incremented table version?
> On Sat, 15 Jun 2019 at 11:37, Henning Westerholt <hw at skalatan.de> wrote:
> Hello Alexsandar,
> the process is like this:
> extend the XML db source definition in src/lib/srdb1/schemayou will find
> some general size/type definitions in the entities.xml file, please use
> them if possible
> increment the version number for this particular table in the XML as well
> you can create the DB specific files locally (needs xsltproc) with "make
> dbschema"check for the new table version number in the module coding
> extend the module code to actually use the new fields
> creating a pull request with the XML and coding changes to integrate it
> into git master
> For bigger extensions it might also a good idea to contact the module
> author to receive some feedback before finishing the implementation. 🙂
> Cheers,
> Henning
> *Von:* sr-dev <sr-dev-bounces at lists.kamailio.org> im Auftrag von
> Александър Йосифов <alexyosifov at gmail.com>
> *Gesendet:* Freitag, 14. Juni 2019 15:56
> *An:* sr-dev at lists.kamailio.org
> *Betreff:* [sr-dev] Adding new fields in pcscf.location table
> Hello,
> What is the procedure for adding new fields in some DB table?
> In particular, I am working under a feature for multiple tcp connections
> for IPSEC in P-CSCF and for this purpose new fields are needed to store
> pcscf client and server ports for each registered contact.
> The new fields 'port_pc', 'port_ps', 't_port_pc' and 't_port_ps' should be
> added in pcscf.location table.
> Thank you for your help!
> --
> Best Regards,
> Aleksandar Yosifov
> --
> Best Regards,
> Aleksandar Yosifov

Best Regards,
Aleksandar Yosifov
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