27 Jun
2013
27 Jun
'13
2:01 p.m.
Hi,
I'm using the xhttp_pi module to query the kamailio user registration table
"location". Per the defined clause_cols operators in the module, it doesn't
seem possible to achieve a query equivalent to a SQL "contains" or
"like".
An exact match is required to query the record;
e.g., http://xxxxxxx/location/QueryContacts?cmd=on&0=sip:8675309@a.b.c.d:5060…=udp.
Is my understanding correct that there is no way to match on an regular expression? My end
goal is to be able to query for a user's AOR and expiration status based on a search
string (e.g. 8675309) via a webservice. Can anyone share a better method to do this?
Perhaps asynchronously? All feedback is appreciated.
Sample contact field:
sip:8675309@a.b.c.d:5060;transport=udp
Sample Framework:
<cmd><cmd_name>QueryContacts</cmd_name>
<db_table_id>location</db_table_id>
<cmd_type>DB1_QUERY</cmd_type>
<clause_cols>
<col><field>contact</field><operator>=</operator></col>
</clause_cols>
<query_cols>
<col><field>username</field></col>
<col><field>contact</field></col>
<col><field>expires</field></col>
</query_cols>
</cmd>
Thanks,
Simpson
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Today's Topics:
1. kamailio loadbalancer with TLS problem forwarding INVITE back
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----------------------------------------------------------------------
Message: 1
Date: Thu, 27 Jun 2013 00:34:00 +0000
From: Allen Zhang <Allen.Zhang(a)imgtec.com>
To: "sr-users(a)lists.sip-router.org" <sr-users(a)lists.sip-router.org>
Cc: Shane Harrison <Shane.Harrison(a)imgtec.com>
Subject: [SR-Users] kamailio loadbalancer with TLS problem forwarding
INVITE back to UA
Message-ID:
<04588C075527D74CABD19E7C320BCB1C013BE6F6(a)WEMAIL01.we.imgtec.org>
Content-Type: text/plain; charset="us-ascii"
Hi,
Our set up:
UA1 -----
------ Proxy1
\
/
Loadbalancer (dispatcher module)
/
\
UA2-----
------ Proxy2
Both proxies have registrar module loaded and share the same database.
REGISTERs work fine.
The problem is this:
TLS TCP
UA1 ----------------------> LB --------------------> Proxy
INVITE(to UA2) INVITE(to UA2)
TLS TCP
UA1 <------------- LB <------------- Proxy
100 Trying
TLS TCP
UA1 <------------- LB <----------------------- Proxy
INVITE(to UA2)
TLS TCP
UA1 <----------------------- LB <----------------------- Proxy
100 Trying
All above worked fine. Below is what's expected but never happened:
TLS TCP
UA2 <----------------------- LB <----------------------- Proxy
INVITE(to UA2)
We'd like the LB to reuse the TLS connection initiated by UA2. But LB can't find
an open connection and tries to start a new TLS connection. The new connection fails.
UAs are not behind NAT at the moment but will be in the future.
Tried this approaches on LB:
route(ADD_CONTACT_ALIAS);
If (not from proxy)
t_relay();
else
do load balancing
No luck.
Any help is appreciated.
Regards,
Allen