1 Apr
2016
1 Apr
'16
3:14 p.m.
If I have a string that contains pseudo variables, e.g,,
$var(uri_pattern) = "sip:$fU@tutpro.com";
is it somehow possible to replace them with their values, something like:
$var(uri) = eval("$var(uri_pattern)");
-- Juha
1 Apr
1 Apr
3:18 p.m.
Juha,
Yes, either by separating the PV elements, e.g.
$var(x) = $fU + "abc";
... or with the newer $_s() PV created for this purpose:
$var(x) = $_s($fUabc);
--
Alex Balashov | Principal | Evariste Systems LLC
1447 Peachtree Street NE, Suite 700
Atlanta, GA 30309
United States
Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
Sent from my BlackBerry.
Original Message
From: Juha Heinanen
Sent: Friday, April 1, 2016 08:14
To: sr-users(a)lists.sip-router.org
Reply To: Kamailio (SER) - Users Mailing List
Subject: [SR-Users] pseudo variables in strings
If I have a string that contains pseudo variables, e.g,,
$var(uri_pattern) = "sip:$fU@tutpro.com";
is it somehow possible to replace them with their values, something like:
$var(uri) = eval("$var(uri_pattern)");
-- Juha
_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users(a)lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
2 Apr
2 Apr
11:09 a.m.
Alex Balashov writes:
Yes, either by separating the PV elements, e.g.
$var(x) = $fU + "abc";
Alex,
I cannot do that, because the string that contains pvs is result of
a dp_translate call.
... or with the newer $_s() PV created for this
purpose:
$var(x) = $_s($fUabc);
No luck with that either. This test
$var(pv_string) = "foo$var(pv)bar";
$var(pv) = "car";
$var(res_string) = $_s($var(pv_string));
xlog("L_INFO", "res_string is '$var(res_string)'\n");
produces to syslog:
Apr 2 11:07:26 lohi /usr/bin/sip-proxy[24536]: INFO: res_string is
'foo$var(pv)bar'
when I need to get 'foocarbar'.
-- Juha
3 Apr
3 Apr
4:20 p.m.
Was the conclusion that it is not currently possible to evaluate a
string value of a pseudo variable that contains pseudo variables?
If so, I'll add feature request, since that kind of capability would
greatly increase dynamic nature of Kamailio configuration.
-- Juha
4 Apr
4 Apr
8:35 a.m.
On 02/04/16 10:09, Juha Heinanen wrote:
--
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
Alex Balashov writes:
Dialplan can evaluate variables, is it a special case you need to return
variables and then evaluate after dp_translate() again?
It might work by returning a lua script string that you can evaluate
with app_lua().
Cheers,
Daniel
Yes, either by separating the PV elements, e.g.
$var(x) = $fU + "abc";
Alex,
I cannot do that, because the string that contains pvs is result of
a dp_translate call. ... or with the newer $_s() PV created for this
purpose:
$var(x) = $_s($fUabc);
No luck with that either. This test
$var(pv_string) = "foo$var(pv)bar";
$var(pv) = "car";
$var(res_string) = $_s($var(pv_string));
xlog("L_INFO", "res_string is '$var(res_string)'\n");
produces to syslog:
Apr 2 11:07:26 lohi /usr/bin/sip-proxy[24536]: INFO: res_string is
'foo$var(pv)bar'
when I need to get 'foocarbar'.
-- Juha
_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users(a)lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
10:05 a.m.
Daniel-Constantin Mierla writes:
Dialplan can evaluate variables, is it a special case
you need to return
variables and then evaluate after dp_translate() again?
I made a test rule:
match_exp subst_exp repl_exp
^\#11\#$ (empty) $fu
and dp_translate(id) on sip:#11#@test.tutpro.com produced
sip:$fu@test.tutpro.com.
Same with or without
modparam("dialplan", "match_dynamic", 1)
Also, I would prefer to have a function to evaluate strings rather than
have a dp_translate specific feature.
-- Juha
5 Apr
5 Apr
8:36 a.m.
I added pv_evalx() function in pv module which evaluates twice a string
containing variables. No time to test it, so any feedback is
appreciated. It will be also good to stress test it and check if there
is a memory leak for pkg, as the result for first evaluation needs to be
parsed again for other variables -- pv caching should prevent a leak,
but to be safe is good to test if plans are to use in production.
Cheers,
Daniel
On 04/04/16 07:35, Daniel-Constantin Mierla wrote:
On 02/04/16 10:09, Juha Heinanen wrote:
--
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
Alex Balashov writes:
Dialplan can evaluate variables, is it a special case you
need to return
variables and then evaluate after dp_translate() again?
It might work by returning a lua script string that you can evaluate
with app_lua().
Cheers,
Daniel
>> ... or with the newer $_s() PV created for this purpose:
>>
>> $var(x) = $_s($fUabc);
> No luck with that either. This test
>
> $var(pv_string) = "foo$var(pv)bar";
> $var(pv) = "car";
> $var(res_string) = $_s($var(pv_string));
> xlog("L_INFO", "res_string is
'$var(res_string)'\n");
>
> produces to syslog:
>
> Apr 2 11:07:26 lohi /usr/bin/sip-proxy[24536]: INFO: res_string is
'foo$var(pv)bar'
>
> when I need to get 'foocarbar'.
>
> -- Juha
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users(a)lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users Yes, either by separating the PV elements, e.g.
$var(x) = $fU + "abc";
Alex,
I cannot do that, because the string that contains pvs is result of
a dp_translate call.
8:44 a.m.
Daniel-Constantin Mierla writes:
I added pv_evalx() function in pv module which
evaluates twice a string
containing variables. No time to test it, so any feedback is
appreciated. It will be also good to stress test it and check if there
is a memory leak for pkg, as the result for first evaluation needs to be
parsed again for other variables -- pv caching should prevent a leak,
but to be safe is good to test if plans are to use in production.
Thank you very much. I'll give it a try later this week.
-- Juha
6:46 p.m.
Daniel-Constantin Mierla writes:
I added pv_evalx() function in pv module which
evaluates twice a string
containing variables. No time to test it, so any feedback is
appreciated. It will be also good to stress test it and check if there
is a memory leak for pkg, as the result for first evaluation needs to be
parsed again for other variables -- pv caching should prevent a leak,
but to be safe is good to test if plans are to use in production.
I executed the call for about 10000 times and didn't see any reduction
in the amount of free pkg memory.
-- Juha
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days inactive
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8 comments
3 participants
participants (3)
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Alex Balashov -
Daniel-Constantin Mierla -
Juha Heinanen