Hello Timo,
We've done a basic test and it seems to solve the memory leak problem. We'll do exhaustive tests in a few days.
We'll keep you informed.
Thanks a lot,
Pedro
De: Timo Teras <timo.teras@iki.fi>
Para: "SIP Router - Kamailio \(OpenSER\) and SIP Express Router \(SER\) - Users Mailing List" <sr-users@lists.sip-router.org>
cc: pvsolano@amper.es
Fecha: 15/10/2012 16:13
Asunto: Re: [SR-Users] db_sqlite bugs
Enviado por: Timo Teräs <timo.teras@gmail.com>
On Thu, 11 Oct 2012 12:37:23 +0200 Pedro Antonio Vico Solano
<pvsolano@amper.es> wrote:
> Hello everyone,
>
> We are developing a solution based on the SQLite module for Kamailio
> and we've found some bugs/errors regarding it. We use kamailio 3.2.4
> and SQLite 3.7.14.1. The errors are about this:
>
> - Memory leaks on querys via sqlops. Kamailio main process leaks 4kB
> each 3 queries (aprox.) and that memory is never freed. [Attached
> basic example]
> - Segmentation fault when doing a SELECT COUNT(*) via sqlops.
> [Attached basic example 2]
>
> Can you help us?
Does this help for the memory leak?
diff --git a/modules_k/db_sqlite/dbase.c b/modules_k/db_sqlite/dbase.c
index 0b32e07..c1d3b71 100644
--- a/modules_k/db_sqlite/dbase.c
+++ b/modules_k/db_sqlite/dbase.c
@@ -543,7 +543,12 @@ int db_sqlite_update(const db1_con_t* _h, const db_key_t* _k, const db_op_t* _o,
int db_sqlite_raw_query(const db1_con_t* _h, const str* _s, db1_res_t** _r)
{
- return db_do_raw_query(_h, _s, _r,
+ int rc;
+
+ rc = db_do_raw_query(_h, _s, _r,
db_sqlite_submit_query,
db_sqlite_store_result);
+ db_sqlite_cleanup_query(_h);
+
+ return rc;
}
Seems that all other database driver postpone the resource release to
free_results - but there's no reason why we couldn't do this right away
in sqlite. Since in sqlite free_results we just free cached result set.
Will take a look at the other bug later when I get the time to
reproduce it.
-Timo
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