sqlcounter returning wrong value?

Venkatesh K kaevee at gmail.com
Wed Nov 12 16:41:25 CET 2008


Hi,

On Wed, Nov 12, 2008 at 2:06 AM, liran tal <liransgarage at gmail.com> wrote:
>
> Waiting for that traffic limitation patch, Venkatesh.
> Thanks.

I am sorry. I had few busy days this week. You can expect a patch tomorrow.

>
> On Sun, Nov 9, 2008 at 6:00 AM, Venkatesh K <kaevee at gmail.com> wrote:
>>
>> Hi Liran,
>>
>> On Sun, Nov 9, 2008 at 4:16 AM, liran tal <liransgarage at gmail.com> wrote:
>> > Hey Venkatesh,
>> >
>> > On Fri, Oct 31, 2008 at 2:26 AM, Venkatesh K <kaevee at gmail.com> wrote:
>> >>
>> >> 2008/10/31  <tnt at kalik.net>:
>> >> > It does make sense. rlm_sqlcounterworks like this toward the time of
>> >> > the
>> >> > reset: lets say you have an hour left, your limit is 20 hours and you
>> >> > have signed in 15 minutes before counter reset time.  When code
>> >> > calculates that you can be online at reset time it doesn't return
>> >> > your
>> >> > allowance (1 hour) but adds the limit for the next conting period (20
>> >> > hours) to the remaining time (15 minutes) and returns that value (20
>> >> > hours and 15 minutes). Reasoning is that your session shouldn't be
>> >> > discontinued after an hour becouse 15 minutes into the session new
>> >> > limit
>> >> > should come into force (and session limit can't be changed during the
>> >> > session).
>> >> >
>> >> > In your case there is about 2,000,000 left on the counter but only a
>> >> > few
>> >> > thousand seconds left to the end of the reset period, so code will
>> >> > add
>> >> > those few thousands to the next period limit (26,000,000) and return
>> >> > that value. Code doesn't "know" are you counting data or time as
>> >> > there is  no such configuration item.
>> >> >
>> >> > Venkatesh had posted the patch that switches off this peace of code
>> >> > for
>> >> > data counters by introducing that configuration item. You should try
>> >> > it.
>> >>
>> >> rlm_sqlcounter has one more limitation. In version 1.1.7, the maximum
>> >> counter value was limited to <2G whereas in 2.1.1 it seems to be <4G.
>> >> This imposes an artificial limitation of maximum of 4GB of downloads.
>> >> I had a workaround where I patched rlm_sqlcounter to limit the per
>> >> session downloads to 4GB if allowed usage exceeds 4GB.
>> >>
>> >> Except this issue, I think, with the patch I posted earlier, one
>> >> should be fine with rlm_sqlcounter. If someone needs a patch to work
>> >> around the 2GB/4GB limit, I will post the patch.
>> >
>> >
>> > Sorry for the late reply.
>> > I applied your patch and now data counters work as expected with a minor
>> > exception, the 2Gb limit
>> > as you have stated previously. Possibly you could also post the patch
>> > for
>> > the 2Gb/4Gb limit?
>> > I'm hoping it's compatible with FR 1.1.7 as well.
>> >
>>
>> It is ok. I am happy to know it works for you. I will email you a
>> patch for 1.1.7 in couple of days. The patch is going to impose
>> certain limitations on you. The maximum return value should be less
>> than unsigned integer(32bit). The maximum reply value for data will be
>> limited to 4GB even if actual value is more than 4GB. So, there will
>> be a per session limit of 4GB though user is authorized to transfer
>> more data.
>>
>> Regards,
>>
>> Venkatesh. K
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Regards,

-- 
Venkatesh. K



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