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

[Miguel Baptista]

On 13.02.2012 16:31, Daniel-Constantin Mierla wrote:
> 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?
>
I didn't know if time is milliseconds or seconds. So, I tried several
values: 1, 5, 10, 50, 100, 1000 ... But no change in kamailio's
bahaviour. It doesn't kill the running script.
Should I send another log file with a lower /time_to_kill/ value?

> 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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