[SR-Users] Is exec module ignoring time_to_kill parameter?

[Daniel-Constantin Mierla]

Hello,

On 2/13/12 2:55 PM, Miguel Baptista wrote:
> Hello,
>
> I am running kamailio 3.1.3 and I am making some tests with the exec 
> module. I am running a "dummy" script and it worked like a charm.
> Now, I am testing what happens when the script takes "too much time" 
> to return a result. According to exec module documentation 
> the/time_to_kill /parameter should take care of it.
>
>     *time_to_kill* (INTEGER)
>     /Specifies the longest time a program is allowed to execute. If
>     the time is exceeded, the program is killed. /
>
> BTW ... I am assuming /time /is in milliseconds. I think the 
> documentation should refer the time units.
thinking of the time when the module was implemented, the unit is 
second. Have you tried with a lower value, short enough to be visible in 
seconds time?

Cheers,
Daniel

>
> Apparently kamailio ignores this parameter (or it doesn't work as I am 
> expecting). No matter which value I assign to /time_to_kill/, kamailio 
> doesn't kill the script and waits for the script to finish. In the 
> meanwhile some SIP timers are triggered ... resulting into a failed call.
>
> The test I am doing is quite simple. For incoming INVITEs, use a 
> external script to check the status of a specific test user, if it 
> returns the keyword "busy" sends it to voicemail otherwise route the 
> INVITE to the local user. The test script returns a result after about 
> 8 seconds.
>
> Shouldn't the /time_to_kill/ be triggered and stop the script?
>
> Here goes some relevant parts of my configuration. In attachment I am 
> sending the kamailio log with a debug value of 4.
>
>
>     /# ----- exec params -----/
>     /modparam("exec", "time_to_kill", 10)/
>     /# --- exec params end -----/
>
>
>
>
>     /#route just to check the exec module
>     route[TESTEXEC] {
>             xlog("L_INFO", "TESTEXEC: Entered ($rU)\n");
>
>             if ($rU == "miguel")
>             {
>                     $var(calendarTMP)="/root/" + $rU + "_test.pl";
>                     exec_avp("$var(calendarTMP)", "$avp(s:test)");
>                     xlog("L_INFO", "TESTEXEC: Returned value is
>     $avp(s:test)\n");
>
>                 if ($avp(s:test) == "busy") {
>                     $ru = "sip:userbusy@" +
>     ASTSERVIPPORT;                  # Voicemail
>                     route(RELAY);
>                 }
>             }
>             xlog("L_INFO", "TESTEXEC: Exiting ($rU)\n");
>             return;
>     }
>
>     /
>
> Regards,
>
> Miguel Baptista
>
>
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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda

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