From pojogas@gmail.com Mon Jul  9 20:42:02 2018
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject: [SR-Users] CPS
Date: Mon, 09 Jul 2018 14:41:44 -0400
Message-ID:
 <CAJZsGC=znTH-Nh2P_kYPnRmJVUvcJG1cwG8gXKYfAACmyArjBQ@mail.gmail.com>
MIME-Version: 1.0
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Hi folks,

Trying to implement CPS throttling based on this
<https://lists.kamailio.org/pipermail/sr-users/2013-September/079713.html>art=
icle,
having some trouble.

modparam("htable", "htable", "rhs=3D>size=3D32;initval=3D0;autoexpire=3D300;"
modparam("htable", "htable", "rhm=3D>size=3D32;initval=3D0;autoexpire=3D1800;=
")

route[CPS] {
$var(rateHashSec) =3D $si+":sec:"+$timef(%Y/%m/%d_%H_%M_%S);
$var(rateHashMin) =3D $si+":min:"+$timef(%Y/%m/%d_%H_%M_00);
xlog("L_INFO", "var(rateHashSec)=3D$var(rateHashSec);
var(rateHashMin)=3D$var(rateHashMin)\n");
$var(ratePerSec) =3D $shtinc(rhs=3D>$var(rateHashSec));
$var(ratePerMin) =3D $shtinc(rhm=3D>$var(rateHashMin));
xlog("L_INFO", "var(ratePerSec)=3D$var(ratePerSec);
var(ratePerMin)=3D$var(ratePerMin)\n");
$var(limitPerSec) =3D 1;
$var(limitPerMin) =3D 1;

if ($var(ratePerSec) > $var(limitPerSec) || $var(ratePerMin) >
$var(limitPerMin)) {
                        xlog("L_INFO", "CPS Limit on IP $si\n");
                        send_reply("503", "CPS Limit on IP $si");
                        exit;
}

}

Logs show hashes are created but *$var(ratePerSec/Min)* won't increment no
matter how many calls I place per second or minute:

Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
var(rateHashSec)=3D65.39.XX.XX:sec:2018/07/09_14_35_52;
var(rateHashMin)=3D65.39.XX.XX:min:2018/07/09_14_35_00
Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
var(ratePerSec)=3D0; var(ratePerMin)=3D0

Much obliged.
--Sergiu



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From abalashov@evaristesys.com Mon Jul  9 20:46:30 2018
From: Alex Balashov <abalashov@evaristesys.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] CPS
Date: Mon, 09 Jul 2018 14:46:26 -0400
Message-ID: <20180709184626.GA22840@tlaquepaque.localdomain>
In-Reply-To:
 <CAJZsGC=znTH-Nh2P_kYPnRmJVUvcJG1cwG8gXKYfAACmyArjBQ@mail.gmail.com>
MIME-Version: 1.0
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Have you considered using pipelimit for this? It's as simple as:

   if(!pl_check("$avp(customer_id)", "TAILDROP", "$avp(cps_limit)")) {
       pl_drop();
       exit;
   }

There was a time when that wasn't possible because pipes couldn't easily
be created dynamically for a given customer ID or whatever, and htable
was the preferred vehicle for that. That has changed, and nowadays it's
a lot simpler. :-)

-- Alex

On Mon, Jul 09, 2018 at 02:41:44PM -0400, Sergiu Pojoga wrote:

> Hi folks,
>=20
> Trying to implement CPS throttling based on this
> <https://lists.kamailio.org/pipermail/sr-users/2013-September/079713.html>a=
rticle,
> having some trouble.
>=20
> modparam("htable", "htable", "rhs=3D>size=3D32;initval=3D0;autoexpire=3D300=
;"
> modparam("htable", "htable", "rhm=3D>size=3D32;initval=3D0;autoexpire=3D180=
0;")
>=20
> route[CPS] {
> $var(rateHashSec) =3D $si+":sec:"+$timef(%Y/%m/%d_%H_%M_%S);
> $var(rateHashMin) =3D $si+":min:"+$timef(%Y/%m/%d_%H_%M_00);
> xlog("L_INFO", "var(rateHashSec)=3D$var(rateHashSec);
> var(rateHashMin)=3D$var(rateHashMin)\n");
> $var(ratePerSec) =3D $shtinc(rhs=3D>$var(rateHashSec));
> $var(ratePerMin) =3D $shtinc(rhm=3D>$var(rateHashMin));
> xlog("L_INFO", "var(ratePerSec)=3D$var(ratePerSec);
> var(ratePerMin)=3D$var(ratePerMin)\n");
> $var(limitPerSec) =3D 1;
> $var(limitPerMin) =3D 1;
>=20
> if ($var(ratePerSec) > $var(limitPerSec) || $var(ratePerMin) >
> $var(limitPerMin)) {
>                         xlog("L_INFO", "CPS Limit on IP $si\n");
>                         send_reply("503", "CPS Limit on IP $si");
>                         exit;
> }
>=20
> }
>=20
> Logs show hashes are created but *$var(ratePerSec/Min)* won't increment no
> matter how many calls I place per second or minute:
>=20
> Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
> var(rateHashSec)=3D65.39.XX.XX:sec:2018/07/09_14_35_52;
> var(rateHashMin)=3D65.39.XX.XX:min:2018/07/09_14_35_00
> Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
> var(ratePerSec)=3D0; var(ratePerMin)=3D0
>=20
> Much obliged.
> --Sergiu

> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users


--=20
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)=20
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/


--===============2099844561==--


From pojogas@gmail.com Mon Jul  9 22:15:17 2018
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] CPS
Date: Mon, 09 Jul 2018 16:14:59 -0400
Message-ID:
 <CAJZsGC=A+cwCd=sB0mrxDRO2FjBhW7SU8_N2meq9vTrPv==frA@mail.gmail.com>
In-Reply-To: <20180709184626.GA22840@tlaquepaque.localdomain>
MIME-Version: 1.0
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I have not until now that you recommended it, looks much simpler indeed,
thanks.

Although, so far I can't seem to hit a pipe limit. If I watch pl.stats, no
matter what *timer_interval* I set, the counter increases to 1 upon a call
then back to 0 the next second.

root(a)proxy:/# watch -n 1 -d kamcmd pl.stats
PIPE: id=65.39.XX.XX load=0 counter=0

Say I wanted 1 call per minute pipe, what would be the 'timer_interval' and
pl_check limit?

On Mon, Jul 9, 2018 at 2:47 PM Alex Balashov <abalashov(a)evaristesys.com>
wrote:

> Have you considered using pipelimit for this? It's as simple as:
>
>    if(!pl_check("$avp(customer_id)", "TAILDROP", "$avp(cps_limit)")) {
>        pl_drop();
>        exit;
>    }
>
> There was a time when that wasn't possible because pipes couldn't easily
> be created dynamically for a given customer ID or whatever, and htable
> was the preferred vehicle for that. That has changed, and nowadays it's
> a lot simpler. :-)
>
> -- Alex
>
> On Mon, Jul 09, 2018 at 02:41:44PM -0400, Sergiu Pojoga wrote:
>
> > Hi folks,
> >
> > Trying to implement CPS throttling based on this
> > <
> https://lists.kamailio.org/pipermail/sr-users/2013-September/079713.html
> >article,
> > having some trouble.
> >
> > modparam("htable", "htable", "rhs=>size=32;initval=0;autoexpire=300;"
> > modparam("htable", "htable", "rhm=>size=32;initval=0;autoexpire=1800;")
> >
> > route[CPS] {
> > $var(rateHashSec) = $si+":sec:"+$timef(%Y/%m/%d_%H_%M_%S);
> > $var(rateHashMin) = $si+":min:"+$timef(%Y/%m/%d_%H_%M_00);
> > xlog("L_INFO", "var(rateHashSec)=$var(rateHashSec);
> > var(rateHashMin)=$var(rateHashMin)\n");
> > $var(ratePerSec) = $shtinc(rhs=>$var(rateHashSec));
> > $var(ratePerMin) = $shtinc(rhm=>$var(rateHashMin));
> > xlog("L_INFO", "var(ratePerSec)=$var(ratePerSec);
> > var(ratePerMin)=$var(ratePerMin)\n");
> > $var(limitPerSec) = 1;
> > $var(limitPerMin) = 1;
> >
> > if ($var(ratePerSec) > $var(limitPerSec) || $var(ratePerMin) >
> > $var(limitPerMin)) {
> >                         xlog("L_INFO", "CPS Limit on IP $si\n");
> >                         send_reply("503", "CPS Limit on IP $si");
> >                         exit;
> > }
> >
> > }
> >
> > Logs show hashes are created but *$var(ratePerSec/Min)* won't increment
> no
> > matter how many calls I place per second or minute:
> >
> > Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
> > var(rateHashSec)=65.39.XX.XX:sec:2018/07/09_14_35_52;
> > var(rateHashMin)=65.39.XX.XX:min:2018/07/09_14_35_00
> > Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
> > var(ratePerSec)=0; var(ratePerMin)=0
> >
> > Much obliged.
> > --Sergiu
>
> > _______________________________________________
> > Kamailio (SER) - Users Mailing List
> > sr-users(a)lists.kamailio.org
> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>



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--===============2141932880==--


From pojogas@gmail.com Tue Jul 10 02:12:13 2018
From: Sergiu Pojoga <pojogas@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] CPS
Date: Mon, 09 Jul 2018 20:11:55 -0400
Message-ID:
 <CAJZsGCnnJcScamoGV5PQEBRvZ5N7PnAsf+BTYqmaiRpLZnvysQ@mail.gmail.com>
In-Reply-To:
 <CAJZsGC=A+cwCd=sB0mrxDRO2FjBhW7SU8_N2meq9vTrPv==frA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1549711962=="

--===============1549711962==
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Figured it out eventually, thanks for the tip Alex.

Cheers
--Sergiu

On Mon, Jul 9, 2018 at 4:14 PM Sergiu Pojoga <pojogas(a)gmail.com> wrote:

> I have not until now that you recommended it, looks much simpler indeed,
> thanks.
>
> Although, so far I can't seem to hit a pipe limit. If I watch pl.stats, no
> matter what *timer_interval* I set, the counter increases to 1 upon a
> call then back to 0 the next second.
>
> root(a)proxy:/# watch -n 1 -d kamcmd pl.stats
> PIPE: id=65.39.XX.XX load=0 counter=0
>
> Say I wanted 1 call per minute pipe, what would be the 'timer_interval'
> and pl_check limit?
>
> On Mon, Jul 9, 2018 at 2:47 PM Alex Balashov <abalashov(a)evaristesys.com>
> wrote:
>
>> Have you considered using pipelimit for this? It's as simple as:
>>
>>    if(!pl_check("$avp(customer_id)", "TAILDROP", "$avp(cps_limit)")) {
>>        pl_drop();
>>        exit;
>>    }
>>
>> There was a time when that wasn't possible because pipes couldn't easily
>> be created dynamically for a given customer ID or whatever, and htable
>> was the preferred vehicle for that. That has changed, and nowadays it's
>> a lot simpler. :-)
>>
>> -- Alex
>>
>> On Mon, Jul 09, 2018 at 02:41:44PM -0400, Sergiu Pojoga wrote:
>>
>> > Hi folks,
>> >
>> > Trying to implement CPS throttling based on this
>> > <
>> https://lists.kamailio.org/pipermail/sr-users/2013-September/079713.html
>> >article,
>> > having some trouble.
>> >
>> > modparam("htable", "htable", "rhs=>size=32;initval=0;autoexpire=300;"
>> > modparam("htable", "htable", "rhm=>size=32;initval=0;autoexpire=1800;")
>> >
>> > route[CPS] {
>> > $var(rateHashSec) = $si+":sec:"+$timef(%Y/%m/%d_%H_%M_%S);
>> > $var(rateHashMin) = $si+":min:"+$timef(%Y/%m/%d_%H_%M_00);
>> > xlog("L_INFO", "var(rateHashSec)=$var(rateHashSec);
>> > var(rateHashMin)=$var(rateHashMin)\n");
>> > $var(ratePerSec) = $shtinc(rhs=>$var(rateHashSec));
>> > $var(ratePerMin) = $shtinc(rhm=>$var(rateHashMin));
>> > xlog("L_INFO", "var(ratePerSec)=$var(ratePerSec);
>> > var(ratePerMin)=$var(ratePerMin)\n");
>> > $var(limitPerSec) = 1;
>> > $var(limitPerMin) = 1;
>> >
>> > if ($var(ratePerSec) > $var(limitPerSec) || $var(ratePerMin) >
>> > $var(limitPerMin)) {
>> >                         xlog("L_INFO", "CPS Limit on IP $si\n");
>> >                         send_reply("503", "CPS Limit on IP $si");
>> >                         exit;
>> > }
>> >
>> > }
>> >
>> > Logs show hashes are created but *$var(ratePerSec/Min)* won't increment
>> no
>> > matter how many calls I place per second or minute:
>> >
>> > Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
>> > var(rateHashSec)=65.39.XX.XX:sec:2018/07/09_14_35_52;
>> > var(rateHashMin)=65.39.XX.XX:min:2018/07/09_14_35_00
>> > Jul  9 14:35:52 proxy /usr/local/sbin/kamailio[1484]: INFO: <script>:
>> > var(ratePerSec)=0; var(ratePerMin)=0
>> >
>> > Much obliged.
>> > --Sergiu
>>
>> > _______________________________________________
>> > Kamailio (SER) - Users Mailing List
>> > sr-users(a)lists.kamailio.org
>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> --
>> Alex Balashov | Principal | Evariste Systems LLC
>>
>> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users(a)lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>



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