Sorry for late reply: this wasn't very helpful. I think Hashing
algo code needs to get bit smarter. If there is any possibility
can you please let me know. !
On Mon, Jun 4, 2012 at 3:33 PM, Daniel-Constantin Mierla
<mico...@gmail.com <mailto:mico...@gmail.com>> wrote:
To make the life easier to spot the hash code in such case, I
just committed a small patch to print it for alg 7:
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=83a558fbad700198a8667ef01f756269d7e2c310
Should be easy to backport if other version is used.
Cheers,
Daniel
On 6/4/12 12:23 PM, Carsten Bock wrote:
It's hard to say, most likely not. You find the used
hash-function here:
841 unsigned int ds_get_hash(str *x, str *y)
http://git.sip-router.org/cgi-bin/gitweb.cgi?p=sip-router;a=blob;f=modules_k/dispatcher/dispatch.c;h=ae0c51b122d34e29b3474957a64b24ff492cfcd5;hb=HEAD
It was originally implemented to distribute usernames to
servers,
which worked fine.
Carsten
2012/6/4 SamyGo <govoi...@gmail.com
<mailto:govoi...@gmail.com>>:
Thanks Sir,
Thats what I expected. Do you think this will change
if I use only two
values with huge difference in each other, lets say
{26000,29000} ?
Regards,
Sammy
On Mon, Jun 4, 2012 at 3:05 PM, Carsten Bock
<cars...@ng-voice.com <mailto:cars...@ng-voice.com>>
wrote:
Hi,
this functionality uses a generic "hash" function
to generate an
Integer-Value of the PVAR and then reduces this
to the number hosts in
your destination set.
If you have only using two different values of
the PVAR and only two
hosts in the dispatcher list, it can likely
happen, that the same host
is choosen. You should try a wider range of
values for your PVAR...
(e.g. try 1000 different values), then you should
see a distribution.
Carsten
2012/6/4 SamyGo <govoi...@gmail.com
<mailto:govoi...@gmail.com>>:
Hi,
No, nothing at all. I haven't went too deep
into debug logs but no
internal
error was appearing. Everything was as calm
as ever and I only get one
destination uri.
So maybe what I'm getting from your email is
that , for this to work the
way
I expect is to have more unique and random
values in my hash_pvar to get
the
required functionality.
Thanks once again,
BR
SG
On Mon, Jun 4, 2012 at 11:52 AM,
Daniel-Constantin Mierla
<mico...@gmail.com
<mailto:mico...@gmail.com>> wrote:
Hello,
do you get any errors in the log?
Be aware that hash functions may return
same code for different input
values. A hash function is guaranteed to
return same code for same
input
value, but there can be collisions of
codes for different values.
Cheers,
Daniel
On 6/3/12 3:41 PM, SamyGo wrote:
Hello,
I'm having trouble using algorithm 7 in
dispatcher module. Here is my
kamailio version. The problem is that
despite multiple dispatcher
entries
corresponding to one set all calls go
only to only one destination.
[root@control1 ~]# kamailio -V
version: kamailio 3.2.3 (x86_64/linux) 59f87e
flags: STATS: Off, USE_IPV6, USE_TCP,
USE_TLS, TLS_HOOKS,
USE_RAW_SOCKS,
DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK,
SHM_MEM, SHM_MMAP, PKG_MALLOC,
DBG_QM_MALLOC, USE_FUTEX,
FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
USE_DNS_FAILOVER, USE_NAPTR,
USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024,
MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
MAX_URI_SIZE 1024, BUF_SIZE 65535,
DEFAULT PKG_SIZE 4MB
poll method support: poll, epoll_lt,
epoll_et, sigio_rt, select.
id: 59f87e
compiled on 18:04:08 Apr 19 2012 with gcc
4.1.2
[root@control1 ~]#
Here is the dipacther module params.
# ------- Load-balancer params ------
modparam("dispatcher", "db_url", DBURL)
modparam("dispatcher", "table_name",
"dispatcher")
modparam("dispatcher", "setid_col", "setid")
modparam("dispatcher", "destination_col",
"destination")
modparam("dispatcher", "force_dst", 1)
modparam("dispatcher", "flags", 3)
modparam("dispatcher", "dst_avp",
"$avp(i:271)")
modparam("dispatcher", "cnt_avp",
"$avp(i:273)")
modparam("dispatcher", "ds_ping_from",
"sip:pr...@109.xxx.2xx.xx")
modparam("dispatcher", "ds_ping_interval",15)
modparam("dispatcher", "ds_probing_mode", 1)
modparam("dispatcher", "ds_ping_reply_codes",
"class=2;code=403;code=404;code=484;class=3")
modparam("dispatcher", "hash_pvar",
"$avp(i:274)")
modparam("dispatcher", "ds_hash_size", 9)
modparam("dispatcher",
"ds_hash_initexpire", 60)
Below is the function call based on
avp(i:274)
avp_db_query("select uid from uid_did_map
where accountcode =
'$fU'","$avp(i:274)");
xlog("L_INFO","$rm from $fu (IP:$si:$sp)
---------
UID:'$avp(i:274)-----------'\n");
ds_load_update();
if(!ds_select_dst("1","7")) {
sl_send_reply("500", "No destination
available");
xlog("route[MAIN] : $rm : No destinations
available for $rd");
exit;
}
I'm getting two different values for
avp(i:274) {26,29} but the
destination are not hashed on its base.
Please help.
Regards,
Sammy G.
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Kamailio Advanced Training, Seattle, USA,
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<mailto:cars...@ng-voice.com>
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_______________________________________________
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sr-users mailing list
sr-users@lists.sip-router.org
<mailto:sr-users@lists.sip-router.org>
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--
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http://twitter.com/#!/miconda
<http://twitter.com/#%21/miconda> -
http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 -
http://asipto.com/u/katu
Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 -
http://asipto.com/u/kpw
_______________________________________________
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mailing list
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<mailto:sr-users@lists.sip-router.org>
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