Hello,

On 15/05/14 13:55, Sebastian Damm wrote:
Hi Daniel,

I'm using 4.1.3

I used this, because I found it in an example written by you.
http://by-miconda.blogspot.de/2009/12/best-of-new-in-kamailio-300-9.html

Is there any other way I can initialize a hash with values from a database table not explicitly designed for use with htable module?

perhaps with lua or other embedded
(The other way I could solve my problem would be if I could use the is_domain_local() from the domain module also in the onreply_route.)

I see no reason not to be allowed there, as the parameter is given from script. Maybe you can use is_myself() with domain module having parameter register_myself set.


Thanks, Hugh, for pointing out the crash. I found a couple of core files from my test on my file system, too. I didn't see the "core was generated" message in the log, so I didn't think there was one there.

can you give the backtrace for 4.1.3, what Hugh sent didn't match the source code, maybe he has older version.

Cheers,
Daniel


Best Regards,
Sebastian


On Thu, May 15, 2014 at 1:37 PM, Daniel-Constantin Mierla <mico...@gmail.com <mailto:mico...@gmail.com>> wrote:

    Indeed, the db connection is not initialized at the time of
    executing event_route[htable:mod-init]. This is executed after all
    modules are initialized, but the sqlops connections are
    initialized in child init.

    However, it should not cause this crash. What version are you
    using? Because latest master and 4.1 have a simple condition at
    sql_api.c:257.

    Cheers,
    Daniel


    On 15/05/14 12:44, Waite, Hugh wrote:

    I added this to my config to try and it caused a segfault on
    startup in sql_query.

    It seems the db connection is not initialised at this point.

    (gdb) bt

    #0 0x0000000000000000 in ?? ()

    #1 0x00007f47450517ef in sql_do_query (con=0x7f474d573930,
    query=0x7ffffc18f350, res=0x7f474d7220a0) at sql_api.c:257

    #2 0x00007f4745059a7b in sql_query (msg=0x7f47484ea540,
    dbl=0x7f474d573930 "@;WMG\177", query=0x7f474d6780e8
    "\250\016rMG\177", res=0x7f474d7220a0 "j8Wi") at sqlops.c:209

    #3 0x0000000000419ca2 in do_action (h=0x7ffffc18fa50,
    a=0x7f474d7207b0, msg=0x7f47484ea540) at action.c:1117

    #4 0x0000000000422878 in run_actions (h=0x7ffffc18fa50,
    a=0x7f474d720420, msg=0x7f47484ea540) at action.c:1599

    #5 0x0000000000423017 in run_top_route (a=0x7f474d720420,
    msg=0x7f47484ea540, c=0x7ffffc18fa50) at action.c:1685

    #6 0x00007f4742d1cbec in child_init (rank=-127) at htable.c:223

    #7 0x00000000004f7ec2 in init_mod_child (m=0x7f474d56dad8,
    rank=-127) at sr_module.c:924

    #8 0x00000000004f7d65 in init_mod_child (m=0x7f474d56e3e0,
    rank=-127) at sr_module.c:921

    #9 0x00000000004f8048 in init_child (rank=-127) at sr_module.c:948

    #10 0x000000000046ce42 in main_loop () at main.c:1571

    #11 0x000000000047030b in main (argc=13, argv=0x7ffffc18fec8) at
    main.c:2533

    (gdb) frame 1

    #1 0x00007f47450517ef in sql_do_query (con=0x7f474d573930,
    query=0x7ffffc18f350, res=0x7f474d7220a0) at sql_api.c:257

    *257 if(con->dbf.raw_query(con->dbh, query, &db_res)!=0)*

    (gdb) p con

    $1 = (sql_con_t *) 0x7f474d573930

    (gdb) p con->dbf

    *$2 = {cap = 0, use_table = 0, init = 0, init2 = 0, close = 0,
    query = 0, fetch_result = 0, raw_query = 0, free_result = 0,
    insert = 0, delete = 0, update = 0, replace = 0, last_inserted_id
    = 0, insert_update = 0, insert_delayed = 0,*

    *  affected_rows = 0, start_transaction = 0, end_transaction = 0,
    abort_transaction = 0, query_lock = 0}*

    (gdb)

    Regards,

    Hugh

    *From:*sr-users-boun...@lists.sip-router.org
    <mailto:sr-users-boun...@lists.sip-router.org>
    [mailto:sr-users-boun...@lists.sip-router.org] *On Behalf Of
    *Sebastian Damm
    *Sent:* 15 May 2014 10:34
    *To:* SIP Router - Kamailio (OpenSER) and SIP Express Router
    (SER) - Users Mailing List
    *Subject:* [SR-Users] DB select htable:mod-init doesn't work

    Hi,

    I'm trying to fill a hash table on startup in the htable:mod-init
    event route. But it doesn't work. Kamailio doesn't start at all,
    but doesn't print out an error in the log.

    This is what the route looks like:

    event_route[htable:mod-init] {
            xlog("L_NOTICE", "Loading Carrier domains into Hash
    table.\n");
            sql_query("ser", "select domain_name from
    carrier_domains", "domains");
            xlog("L_NOTICE", "Loaded from database...\n");
    while($var(i)<$dbr(domains=>cols)) {
                    xlog("L_NOTICE", "Entry:
    $dbr(domains=>[$var(i),0])\n");
    $sht(carrierips=>$var(i)) = $dbr(domains=>[$var(i),0]);
                    $var(i) = $var(i) + 1;
            }
    }

    Of course, the necessary parameters are set.
    modparam("htable", "htable", "carrierips=>size=6")
    modparam("sqlops","sqlcon","ser=>mysql://user:password@127.0.0.1/ser
    <http://user:password@127.0.0.1/ser>")

    In the log I see the following:
    May 15 11:25:33 linux /usr/sbin/kamailio[20872]: NOTICE:
    <script>: Loading Carrier domains into Hash table.

    As you can see, there should be a lot more output, but nothing
    happens anymore after that. In ngrep I see other queries going to
    the same database from other modules, but my query from the event
    route is never executed.

    Am I missing something?

    Best Regards,
    Sebastian


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-- Daniel-Constantin Mierla -http://www.asipto.com
    http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda>  
-http://www.linkedin.com/in/miconda


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--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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