[SR-Users] routing SIP REGISTER with app_perl

Daniel-Constantin Mierla miconda at gmail.com
Tue Sep 16 17:52:23 CEST 2014


Hello,

if you want to rely on kamailio to memorize where to send the following 
register, the hash table is the right tool.

Cheers,
Daniel

On 16/09/14 03:37, Vik Killa wrote:
> Hello,
> I'm learning Kamailio. My ultimate goal is to be able to route SIP 
> messages from User Agents to specific FS boxes.
>
> I'm starting with routing REGISTER messages.
> I used app_perl to randomly lookup one of the FS box's IP Address from 
> postgres database, then I stored the IP in avp and then in hash. It 
> seemed like overkill but it was the only way I could keep the FS IP 
> address in memory between the first REGISTER and REGISTER with Auth.
>
> my app_perl script sets the IP as follows:
>
> my $sth = $dbh->prepare("SELECT ip_address FROM host_machine WHERE 
> is_online = true ORDER BY random() LIMIT 1");
> $sth->execute();
> my $host_ip_address = $sth->fetchrow();
> Kamailio::AVP::add(10, "sip:$host_ip_address:5060");
>
> And here is my kamailio.cfg for REGISTERs
>
> route[REGISTRAR]
> {
>
> if (!is_method("REGISTER|PUBLISH"))
> return;
>
> if (is_present_hf("Authorization")) {
> add_path_received();
> $avp(i:10) = $sht(a=>$ci::dest_server);
> avp_pushto("$du", "$avp(i:10)");
> } else {
> perl_exec("random_server");
> avp_pushto("$du", "$avp(i:10)");
> $sht(a=>$ci::dest_server) = $avp(i:10);
>
> }
> t_relay();
>
> exit;
> }
>
>
> "random_server" is the perl script to get the FS IP address...
> Seems crude but works...
> I'm sure there is probably a more elegant way to do what im trying so 
> any advice and criticism is appreciated, thank you!
>
> /V
>
>
>
>
> _______________________________________________
> 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://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Next Kamailio Advanced Trainings 2014 - http://www.asipto.com
Sep 22-25, Berlin, Germany

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20140916/054323d7/attachment.html>


More information about the sr-users mailing list