[Freeswitch-users] Issue with Javascript setTimeout

Michael Jerris mike at jerris.com
Tue Jan 26 01:11:17 MSK 2016


 If you are trying to trigger that code to run at a specific time, regardless of what else it is doing, that will be very difficult to do with embedded js, and running with something async is probably required.  A note, you might want to look at phrase macros as they will greatly simplify some of that code as well.\
Mike

> On Jan 25, 2016, at 4:24 PM, Normando Hall <nhall at unixlan.com.ar> wrote:
> 
> Hi Michael.
> 
> Yes, you are right, maybe the better is to use ESL. 
> My script is basically an IVR. When all the audio files are played, then wait until the user press a dtmf key or timeout occur. Because there are a lot of files to play based on caller ID, I wait for the user input at the end of the script, but prior to finish the script, because hangsup.
> 
> I workaround this with:
> 
> session.collectInput(onPlay, services, afterMenuTimeOut, totalTimeOut);
> playTimeout(despedida)
> 
> and return always "true" from "onPlay" callback.
> 
> Respond to your question, this is the function I want to run in setTimeout:
> 
> function playTimeout(despedida){
>     if (session.ready()) {
>         logger("TIMEOUT");
>         session.execute("sleep","400");
>         session.execute("playback", sonidos + "/TIMEOUT.wav");
>         session.execute("sleep","400");
>         logger(despedida);
>         session.execute("playback", sonidos + "/" + despedida + ".wav");
>         session.hangup();
>     }
>     exit("TIMEOUT");
> }
> 
> Thanks
> Normando
> 
> El 25/01/2016 a las 05:20 p.m., Michael Jerris escribió:
>> What exactly is the javascript doing when you want to call that callback?  this is probably not possible due to how the JavaScript is blocked by native functions when doing actions such as handling audio due to the threading model of the embedded languages.  They run in the session thread so they are not as async as people tend to be used to with js.   This sort of approach might be more appropriate when using js in a remote control type structure such as when controlling a session over esl, but not in the embedded mod_v8.  we have discussed doing a truly async type control for embedded languages but have never implemented it.
>> 
>> On Monday, January 25, 2016, Normando Hall < <mailto:nhall at unixlan.com.ar>nhall at unixlan.com.ar <mailto:nhall at unixlan.com.ar>> wrote:
>> Thanks Matt, I can play a file, but still can't run the function. Are there any application can run a function instead a file?
>> 
>> Thanks!
>> Normando
>> 
>> 
>> El 25/01/2016 a las 05:59 a.m., Matt Broad escribió:
>>> try using the 1 liner sched_broadcast  <https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools%3A+sched+broadcast>https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools%3A+sched+broadcast <https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools%3A+sched+broadcast>
>>> 
>>> The below will schedule a broadcast to play /tmp/hangupfile.mp3 to both legs after 60 seconds. 
>>> 
>>> maxTimeTaskID = session.execute("sched_broadcast", "+60 playback!normal_clearing::/tmp/hangupfile.mp3 both");
>>> 
>>> If you find you need to cancel the broadcast use:
>>> 
>>> session.execute("sched_cancel",maxTimeTaskID);
>>> 
>>> hope this helps.
>>> 
>>> thanks
>>> Matt
>>> 
>>> On 25 January 2016 at 06:58, <royj at yandex.ru <javascript:_e(%7B%7D,'cvml','royj at yandex.ru');>> wrote:
>>> have no relationship to the resource, but first link to request 'asynchronous code javascript'
>>> 
>>> http://www.hiddenwebgenius.com/blog/guides/understanding-javascripts-asynchronous-code/ <http://www.hiddenwebgenius.com/blog/guides/understanding-javascripts-asynchronous-code/>
>>> 
>>> 25.01.2016, 09:16, "Normando Hall" < <javascript:_e(%7B%7D,'cvml','nhall at unixlan.com.ar');>nhall at unixlan.com.ar <mailto:nhall at unixlan.com.ar>>:
>>> > Sorry, I missed to say it is Freeswitch 1.4
>>> >
>>> > El 25/01/2016 a las 02:53 a.m., Normando Hall escribió:
>>> >>  Hello everybody.
>>> >>
>>> >>  I am coding a js script to do somethings, and I want to add a global
>>> >>  timeout, to call a function to play a file and hangup. But the function
>>> >>  called inmediatelly.
>>> >>  Also tested with setInterval, the same behaviour.
>>> >>
>>> >>  function playTimeout(despedida){
>>> >>      if (session.ready()) {
>>> >>          logger("TIMEOUT");
>>> >>          session.execute("playback", sonidos + "/TIMEOUT.wav");
>>> >>          session.execute("sleep","500");
>>> >>          logger(despedida);
>>> >>          session.execute("playback", sonidos + "/" + despedida + ".wav");
>>> >>          session.hangup();
>>> >>      }
>>> >>      exit("TIMEOUT");
>>> >>  }
>>> >>
>>> >>  setTimeout(playTimeout(despedida),120000);
>>> >>  .
>>> >>  .
>>> >>  .
>>> >>  my script continue
>>> >>
>>> >>  Any help is welcome!
>>> >>
>>> >>  Thank you
>>> >>  Normando
>>> >>
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>>> >
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>>> >
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>>> >
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>>> 
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>>> 
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>>> 
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>> 
>> 
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services: 
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>> http://www.freeswitchsolutions.com <http://www.freeswitchsolutions.com/>
>> 
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>> 
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> _________________________________________________________________________
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> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
> 
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> 
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