[OpenSIPS-Users] $rl_count in 2.2.2

[Răzvan Crainea]

Hi, Pat!

The way you are using $rl_count is wrong, because the $rl_count pseudo 
variable only accepts strings or other pvars, not formatted strings 
(such as "cps_$avp(trunk_group)").
To achieve what you are trying to do is to assign the name to a pvar and 
feed it in the $rl_count's name:

$var(rl_name) = "cps_" + $avp(trunk_group);
$json(call_details/tg_cps) = $rl_count($var(rl_name));

Let me know how this goes.

Best regards,

Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com

On 01/13/2017 12:48 AM, Pat Burke wrote:
> Hello,
>
> I am trying to get the current rate limit value using $rl_count, but 
> it is giving the following error.
>        ERROR:ratelimit:pv_get_rl_count: invalid name
>        WARNING:core:do_assign: no value in right expression at 
> /etc/opensips/opensips_proxy.cfg:598
>        4024438929 SCRIPT:CCLIMIT:INFO: rl_limit for cps_90761 = 0
>
> Here is the code
>
>     $json(call_details/tg_cps) = 0; # Default to 0
>
> ...
>
>     if ($avp(maxcps) != NULL && $avp(maxcps) > 0) {
>         if (!rl_check("cps_$avp(trunk_group)", "$avp(maxcps)")) {
>             xlog("L_NOTICE", "$rU SCRIPT:CPSLIMIT:DBG: Max 
> $avp(maxcps) cps reached for trunk group $avp(trunk_group) \n");
>             $avp(error_reason) = $avp(error_reason) + 
> $avp(trunk_group) + " CPS limit reached.";
>             send_reply("403", "Max CPS limit reached");
>             exit;
>         }
>     }
>     $json(call_details/tg_cps) = $rl_count("cps_$avp(trunk_group)");
>     xlog("L_INFO", "$rU SCRIPT:CCLIMIT:INFO: rl_limit for 
> cps_$avp(trunk_group) = $json(call_details/tg_cps) \n");
>
>
> From the command  opensipsctl fifo rl_list | grep cps_90761, I get
>        PIPE::  id=cps_90761 algorithm=TAILDROP limit=2 counter=0
>
> What am I missing?
>
> Regards,
> *Pat Burke*
>
>
>
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