2 Jan
2014
2 Jan
'14
10:14 a.m.
ok noted. thanks alex.
Kelvin Chua
On Thu, Jan 2, 2014 at 3:51 PM, Alex Balashov <abalashov(a)evaristesys.com>wrote;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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