[SR-Users] Writing a module

Carlos Ruiz Díaz carlos.ruizdiaz at gmail.com
Tue Aug 20 13:51:10 CEST 2013


There's also a Perl module that can be used to execute a Perl script
containing your business logic.

Sounds like you are doing lots of database queries and doing that from a C
module will always be more difficult than using a DB abstraction layer that
the one Perl provides.


On Tue, Aug 20, 2013 at 7:41 AM, Grant Bagdasarian <GB at cm.nl> wrote:

> Alright, thanks guys!
>
> I'll have a closer look at the existing modules.
>
> -----Original Message-----
> From: sr-users-bounces at lists.sip-router.org [mailto:
> sr-users-bounces at lists.sip-router.org] On Behalf Of Daniel-Constantin
> Mierla
> Sent: Tuesday, August 20, 2013 1:37 PM
> To: Kamailio (SER) - Users Mailing List
> Subject: Re: [SR-Users] Writing a module
>
> Hello,
>
> devel guide is useful for writing own module:
> - http://www.asipto.com/pub/kamailio-devel-guide/
>
> Also, it was a recent discussion on sr-dev with hits about modules to look
> at:
> - http://lists.sip-router.org/pipermail/sr-dev/2013-August/020977.html
>
> Cheers,
> Daniel
>
> On 8/20/13 1:33 PM, Grant Bagdasarian wrote:
> > It's going to be a custom routing module, with our own business logic.
> >
> > It should load the routes from a database and keep refreshing the data
> every x interval.
> > For SIP-to-PSTN calls (outgoing to carrier) we need to be able to route
> based on the callerprefix, customer id (which is added as a custom header),
> originating IP, and some other fields.
> > I need a way to select the closest matching route, or fallback to the
> default route, using the fields described above.
> >
> > Implementing this logic in a stored procedure is quite hard. Another
> option would be to write a web service and perform http calls to determine
> the route. I'm just worried that http might delay the setup of calls.
> >
> > Our routes table contains custom fields, but also fields which are used
> by the dispatcher module. So once a route is selected, the dispatcher
> module will use the uri in the route set to rewrite the ruri and possibly
> do failover.
> >
> > -----Original Message-----
> > From: sr-users-bounces at lists.sip-router.org
> > [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Alex
> > Balashov
> > Sent: Tuesday, August 20, 2013 12:43 PM
> > To: sr-users at lists.sip-router.org
> > Subject: Re: [SR-Users] Writing a module
> >
> > On 08/20/2013 06:41 AM, Grant Bagdasarian wrote:
> >
> >> Hello,
> >>
> >> Is this page still up-to-date:
> >> http://www.kamailio.org/dokuwiki/doku.php/development:write-module ?
> >>
> >> I'm researching what it takes to create our own custom Kamailio module.
> > 1. Skilled C programming.
> >
> > 2. What do you want to accomplish?  Are you sure no combination of
> existing modules and script constructs fit the bill?
> >
> > Sometimes you really do need a custom module.  But I find those cases to
> be relatively few, at least for applications of Kamailio that are not truly
> exotic.
> >
> > -- Alex
> >
> > --
> > Alex Balashov - Principal
> > Evariste Systems LLC
> > 235 E Ponce de Leon Ave
> > Suite 106
> > Decatur, GA 30030
> > United States
> > Tel: +1-678-954-0670
> > Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
> >
> > _______________________________________________
> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> > list sr-users at lists.sip-router.org
> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >
> > _______________________________________________
> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> > list sr-users at lists.sip-router.org
> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
>
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>



-- 
Carlos
http://caruizdiaz.com
+595981146623
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