[SR-Users] Kamailio 5.1.2 and Module PDB: pdb_query returns always 0

Stefan Rüetschli stefan at solnet.ch
Tue May 29 08:47:00 CEST 2018


Hi Henning

Thanks for your reply.
The debug at kamailio startup looks like this (multiple times, I think 
for each IP interface), this is only a part of it:

<--- snip --->
May 29 06:21:41 siphost01 /usr/sbin/kamailio[26692]: DEBUG: <core> 
[core/sr_module.c:984]: init_mod(): pdb
May 29 06:21:41 siphost01 /usr/sbin/kamailio[26692]: DEBUG: pdb 
[pdb.c:525]: add_server(): adding server 'siphost01.mydom.com:5574'
May 29 06:21:41 siphost01 /usr/sbin/kamailio[26692]: DEBUG: pdb 
[pdb.c:525]: add_server(): adding server 'siphost02.mydom.com:5574'
May 29 06:21:41 siphost01 /usr/sbin/kamailio[26692]: DEBUG: pdb 
[pdb.c:525]: add_server(): adding server 'siphost03.mydom.com:5574'
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26692]: DEBUG: <core> 
[core/route.c:872]: fix_actions(): fixing pdb_query()
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26692]: DEBUG: <core> 
[core/sr_module.c:937]: init_mod_child(): idx 0 rank -127: pdb [main]
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26696]: DEBUG: <core> 
[core/sr_module.c:937]: init_mod_child(): idx 2 rank 2: pdb [udp 
receiver child=1 sock=127.0.0.1:5060]
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26696]: DEBUG: pdb 
[pdb.c:651]: init_server_socket(): initializing socket for 
'siphost03.mydom.com:5574'
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26696]: DEBUG: pdb 
[pdb.c:651]: init_server_socket(): initializing socket for 
'siphost02.mydom.com:5574'
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26696]: DEBUG: pdb 
[pdb.c:651]: init_server_socket(): initializing socket for 
'siphost01.mydom.com:5574'
May 29 06:21:42 siphost01 /usr/sbin/kamailio[26696]: DEBUG: pdb 
[pdb.c:675]: init_server_socket(): got 3 server in list
<--- snap --->

So it finds all configured PDB servers.
The debug for a non working query:

<--- snip --->
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: exec: *** 
cfgtrace:request_route=[PSTN] c=[/etc/kamailio//kamailio.cfg] l=1542 
a=26 n=pdb_query
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:239]: pdb_query(): querying '0123334455'...
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:264]: pdb_query(): flushed 0 packets for 'siphost03.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:264]: pdb_query(): flushed 0 packets for 'siphost02.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:264]: pdb_query(): flushed 0 packets for 'siphost01.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:157]: pdb_msg_dbg(): Kamailio pdb client sends:#012version = 
1#012type = 0#012code = 0#012id = 256#012len = 17#012payload = 30 31 32 
33 33 33 34 34 35 35 00
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:288]: pdb_query(): sending request to 'siphost03.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:288]: pdb_query(): sending request to 'siphost02.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:288]: pdb_query(): sending request to 'siphost01.mydom.com:5574'
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: DEBUG: pdb 
[pdb.c:157]: pdb_msg_dbg(): Kamailio pdb client receives:#012version = 
0#012type = 0#012code = 0#012id = 256#012len = 17#012payload = 30 31 32 
33 33 33 34 34 35 35 00
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: NOTICE: pdb 
[pdb.c:359]: pdb_query(): Invalid code 0 received
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: INFO: pdb 
[pdb.c:386]: pdb_query(): got an answer in 0.706000 ms
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: exec: *** 
cfgtrace:request_route=[PSTN] c=[/etc/kamailio//kamailio.cfg] l=1543 
a=26 n=xlog
May 29 06:23:05 siphost01 /usr/sbin/kamailio[26706]: INFO: <script>: 
INFOSTD: PSTN pdb result for 0123334455: 0
<--- snap --->

Very strange for me too.

Regards
Stefan


Am 28.05.18 um 21:00 schrieb Henning Westerholt:
>
> Am Montag, 28. Mai 2018, 15:10:16 CEST schrieb Stefan Rüetschli:
>
> > I have here Kamailio 5.1.2 with PDB Module.
>
> > I use the documented function from PDB-Module as follows:
>
> >
>
> > pdb_query("$rU", "$avp(i:82)");
>
> > xlog("L_INFO","PDB result $rU: $avp(i:82)\n");
>
> >
>
> > The problem is, that $avp(i:82) is always 0.
>
> >
>
> > If I test the PDB-Server, with "pdbt -r localhost:5574 query
>
> > <phonenumber>" I get a valid response.
>
> >
>
> > I use this already with Kamailio 4.3.6 and there it is working.
>
> >
>
> > https://kamailio.org/docs/modules/5.1.x/modules/pdb.html
>
> Hello Stefan,
>
> strange. Can you post the debug logs (enable debug logging in cfg) of 
> kamailio for one not working query here? Maybe we can find something 
> there, before we dig into the module.
>
> Best regards,
>
> Henning
>

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