[OpenSER-Users] a c program behaves differently when called by openser than it does when called from the console.
11 Jul
2007
11 Jul
'07
2:08 p.m.
Hello,
I have this piece of code in my openser.cfg :
exec_msg("/usr/local/etc/openser/uri-folder/record '$fu' $$SIP_USER
'$ft'
'additionalinfo'");
The instruction 'record' is a c program.
This is supposed to add a record in a mysql database - new incoming call,
from caller , to called, date, and an additional info - and as the matter of
fact it almost does except that 'record' is unable to append the date. It
writes '0000-00-00'.
The strange thing is that when the 'record' instruction is being called from
the console, the set of instructions being manually written : record
'joe@....' etc ... it records everything including the right date and time.
Did any one face a similar situation ? Thanks in advance.
Olivier
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13 Jul
13 Jul
2:02 p.m.
Hello,
On 07/11/07 14:08, Bontron wrote:
Hello,
I have this piece of code in my openser.cfg :
exec_msg("/usr/local/etc/openser/uri-folder/record '$fu' $$SIP_USER
'$ft'
'additionalinfo'");
The instruction 'record' is a c program.
This is supposed to add a record in a mysql database - new incoming call,
from caller , to called, date, and an additional info - and as the matter of
fact it almost does except that 'record' is unable to append the date. It
writes '0000-00-00'.
The strange thing is that when the 'record' instruction is being called from
the console, the set of instructions being manually written : record
'joe@....' etc ... it records everything including the right date and time.
Did any one face a similar situation ? Thanks in advance.
I do not know how you get the date there, but if you rely on some
environment varibles, beware that openser fakes the environment when
executing the command. You may use date functions from the mysql.
As side not, have a look at avp_db_query(), you may achieve same
functionality without the need of calling external commands.
Cheers,
Daniel
Olivier
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3:16 p.m.
Hello Daniel,
Many thanks for your answer.
The point itself is solved.
There were two problems :
1. A problem was that a '$... ' parameter was faulty in the exec_msg when
conveyed to the C program, which in turn did not exactly what it was
supposed to do. On top of it, there was a poorly designed avp_db_query
request.
2. But pb1 should not have taken place when manually writing the exec_msg
request (and adding the right $... in due place) instead of relying on the
avp_db_query result. Though, even manually written, the exec_msg failed. So
there was another problem and I think you have provided the right
explanation : openser can fake the environment variable.
I hope it can be useful to other readers, since, as there is no error
message, it's not so easy to analyse.
Your suggestion of using avp_db_query : good idea, I 'll try to make a more
extensive use of avp_db_query.
Again, many thanks,
Olivier
----- Original Message -----
From: "Daniel-Constantin Mierla" <daniel(a)voice-system.ro>
To: "Bontron" <bontron(a)telip.com>
Cc: <users(a)openser.org>
Sent: Friday, July 13, 2007 1:02 PM
Subject: Re: [OpenSER-Users] a c program behaves differently when called by
openser than it does when called from the console.
Hello,
On 07/11/07 14:08, Bontron wrote:
Hello,
I have this piece of code in my openser.cfg :
exec_msg("/usr/local/etc/openser/uri-folder/record '$fu' $$SIP_USER
'$ft'
'additionalinfo'");
The instruction 'record' is a c program.
This is supposed to add a record in a mysql database - new incoming
call,
from caller , to called, date, and an additional info - and as the matter
of
fact it almost does except that 'record' is unable to append the date. It
writes '0000-00-00'.
The strange thing is that when the 'record' instruction is being called
from
the console, the set of instructions being manually written : record
'joe@....' etc ... it records everything including the right date and
time.
Did any one face a similar situation ? Thanks in advance.
I do not know how you get the date there, but if you rely on some
environment varibles, beware that openser fakes the environment when
executing the command. You may use date functions from the mysql.
As side not, have a look at avp_db_query(), you may achieve same
functionality without the need of calling external commands.
Cheers,
Daniel
Olivier
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2 comments
3 participants
participants (3)
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Bontron -
Daniel-Constantin Mierla -
Olivier Bontron