[SR-Users] create loop for REGISTER SEND in Kamailio.cfg

[Daniel-Constantin Mierla]

Hello,

using global custom parameters is a bit complex, because they cannot be 
referred by a dynamic name.

Creating a loop is not possible, you will have to put all the options 
one after the other, using an if condition to see if it is set, like:

if($sel(cfg_get.asterisk1.bindip)!=$null && 
$sel(cfg_get.asterisk1.bindip)!="") {
     $var(astip) = $sel(cfg_get.asterisk1.bindip);
     if($sel(cfg_get.asterisk1.bindport)!=$null && 
$sel(cfg_get.asterisk1.bindport)!="") {
           $var(astport) = $sel(cfg_get.asterisk1.bindport);
     } else {
            $var(astport) = 5060;
    }
    route(REGFWD);
}

Then do the same for asterisk2, ...

The route[REGFWD] has to be updated to use $var(astip) and $var(astport) 
instead of using $sel(...).

Perhaps i better to use hash table (because you can get the key dynamic) 
or global avps in this case.

For example with a hash table named ast:

$var(i) = 1;
while($sht(ast=>ip$var(i))!= $null) {
     $var(i) = $var(i) + 1;
     $var(astip) = $sht(ast=>ip$var(i));
     if($sht(ast=>port$var(i))!=$null) {
           $var(astport) = $sht(ast=>port$var(i));
     } else {
            $var(astport) = 5060;
    }
    route(REGFWD);
}

In the hash table 'ast' you need to add pairs like: (ip1, "1.2.3.4"), 
(port1, "5060"), (ip2, "2.2.3.4"), (port2, "5060"), ...

More about hash tables in config in the readme of htable module.

Cheers,
Daniel

On 15/08/14 11:29, ANTHONY HESNAUX wrote:
> hello everybody,
>
> I would like loop in kamailio.cfg because I want register soft phone 
> on all asterisk system so I have this configuration
>
> but also if I want add another asterisk system
>
> my Kamailio.cfg
>
> #!define WITH_ASTERISK
> #!define WITH_CLUST_AST
>
>
> #!ifdef WITH_ASTERISK
> asterisk.bindip = "asterisk.home.fr <http://asterisk.home.fr>" desc 
> "Asterisk IP Address"
> asterisk.bindport = "5080" desc "Asterisk Port"
> kamailio.bindip = « kamailio.home.fr <http://kamailio.home.fr>" desc 
> "kamailio IP Address"
> kamailio.bindport = "5060" desc "Kamailio Port"
> #!endif
>
> #!ifdef WITH_CLUST_AST
> #!define HOST 2
> asterisk1.bindip = "192.168.0.10" desc « Asterisk - 1 - IP Address"
> asterisk1.bindport = "5080" desc "Asterisk Port"
> asterisk2.bindip = "192.168.0.20" desc « Asterisk - 2 - IP Address"
> asterisk2.bindport = "5080" desc "Asterisk Port"
> #!endif
>
>
>
>
> # Forward REGISTER to Asterisk
> route[REGFWD] {
>     if(!is_method("REGISTER"))
>     {
>             return;
>     }
>
>     $var(rip) = $sel(cfg_get.*asterisk1.bindip*);
>     $uac_req(method)="REGISTER";
>     $uac_req(ruri)="sip:" + $var(rip) + ":" + 
> $sel(cfg_get.*asterisk1.bindport*);
>     $uac_req(furi)="sip:" + $au + "@" + $var(rip);
>     $uac_req(turi)="sip:" + $au + "@" + $var(rip);
>     $uac_req(hdrs)="Contact: <sip:" + $au + "@"
>                             + $sel(cfg_get.kamailio.bindip)
>                             + ":" + $sel(cfg_get.kamailio.bindport) + 
> ">\r\n";
>     if($sel(contact.expires) != $null)
>             $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + 
> $sel(contact.expires) + "\r\n";
>     else
>             $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + 
> $hdr(Expires) + "\r\n";
>     uac_req_send();
>
> $var(rip) = $sel(cfg_get.*asterisk2.bindip*);
>     $uac_req(method)="REGISTER";
>     $uac_req(ruri)="sip:" + $var(rip) + ":" + 
> $sel(cfg_get.*asterisk2*.bindport);
>     $uac_req(furi)="sip:" + $au + "@" + $var(rip);
>     $uac_req(turi)="sip:" + $au + "@" + $var(rip);
>     $uac_req(hdrs)="Contact: <sip:" + $au + "@"
>                             + $sel(cfg_get.kamailio.bindip)
>                             + ":" + $sel(cfg_get.kamailio.bindport) + 
> ">\r\n";
>     if($sel(contact.expires) != $null)
>             $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + 
> $sel(contact.expires) + "\r\n";
>     else
>             $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + 
> $hdr(Expires) + "\r\n";
>     uac_req_send();
>
> }
> #!endif
>
> thank you for your help
>
> anthony
>
>
> _______________________________________________
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-- 
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

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