[SR-Users] ingress timer

[Kelvin Chua]

ok noted. thanks alex.

Kelvin Chua


On Thu, Jan 2, 2014 at 3:51 PM, Alex Balashov <abalashov at evaristesys.com>wrote:

> On 01/02/2014 02:47 AM, Kelvin Chua wrote:
>
>> agreed. the design of the db and queries are all properly tested, with
>> only milliseconds of query time even for tables as large as millions of
>> rows. i wanted to implement this only for insurance and was wondering if
>> it's doable, theoretically speaking.
>>
>> the timer module is promising although lacks dynamic assignment of
>> timeouts. what i have in mind is:
>>    - do a timer_enable() after receiving an INVITE.
>>    - on timeout, go to rourte[timeout], statelessly send a cancel to
>> callee(if applicable) and 408 to caller.
>>    - OR upon getting a 200 OK from the callee's leg, disable the timer.
>>    - do you think this is worthy of a feature request? something like
>> timer_enable(timer_id, enable_disable, timeout)
>>
>
> To be honest, no, I don't think it's worth a feature request, because the
> complications of implementing something like this are not justified by the
> effectiveness of the solutions it offers to the sorts of problems you're
> identifying.
>
> Since you mentioned sql_xquery(), it's worth noting that some of the
> database connector modules (e.g. db_mysql) offer a query timeout parameter:
>
> http://kamailio.org/docs/modules/4.1.x/modules/db_mysql.html#idp1968288
>
>
> -- Alex
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
> 235 E Ponce de Leon Ave
> Suite 106
> Decatur, GA 30030
> United States
> Tel: +1-678-954-0670
> Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
>
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