Hello Adrien
Try :
if (!rl_check("test1", 1, "RED"))
{
rl_dec_count("test1")
send_reply(487, "Request Terminated: CPS limit exceeded");
exit;
}
* If you are using ratelimit to limit only successful traffic, you need to
explicitely decrease the counter for the declined calls using the
rl_dec_count() function
also I’m not sure RED is the best algorithm for your usecase.
De : Users <users-boun...@lists.opensips.org> De la part de Adrien LACOMME
Envoyé : vendredi 27 octobre 2023 17:06
À : users@lists.opensips.org
Objet : [OpenSIPS-Users] Ratelimit usage
Hi,
I'm trying to implement CPS limitation on OpenSIPS and I got some difficulties
to understand how ratelimit module works.
Here is the setup (I want to limit cps to 1) :
if (!rl_check("test1", 1, "RED")) {
send_reply(487, "Request Terminated: CPS limit exceeded");
}
I tried to make few calls simultaneously but rl_check return is always FALSE.
Here is the log I got :
2023-10-27T16:52:19.792337 SBC /usr/sbin/opensips[137782]:
DBG:ratelimit:w_rl_check: Pipe test1 counter:1 load:0 limit:1 should NOT be
blocked (0x7fcae1504888)
2023-10-27T16:52:19.804064 SBC /usr/sbin/opensips[137781]:
DBG:ratelimit:w_rl_check: Pipe test1 counter:2 load:0 limit:1 should NOT be
blocked (0x7fcae1504888)
2023-10-27T16:52:22.872991 SBC /usr/sbin/opensips[137782]:
DBG:ratelimit:w_rl_check: Pipe test1 counter:3 load:0 limit:1 should NOT be
blocked (0x7fcae1504888)
2023-10-27T16:52:22.918123 SBC /usr/sbin/opensips[137781]:
DBG:ratelimit:w_rl_check: Pipe test1 counter:4 load:0 limit:1 should NOT be
blocked (0x7fcae1504888)
Shouldn't the module block calls when the counter goes to 2 ? Or is he checking
the load value to block ? If yes, why the load value isn't incremented ?
Regards,
Adrien LACOMME
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