You could put an api_hangup_hook on the channel to jsrun your script.

What you want with javascript is not going to happen as long as you execute
the script *WITH* the channel.
it's not a problem it's just misuse/misunderstanding on your part.



On Fri, Sep 18, 2009 at 5:03 AM, Alberto Escudero <aep.li...@it46.se> wrote:

> Thanks for all the tips. I tried to run apiExecute(bgapi, jsrun originate)
> and still Javascript?? does not let the thread go.
>
> No matter the combination of session.hangup(), exit, apiExecute with or
> without bgapi, the state remains in CS_EXECUTE.
>
> So at the end i am triggering an event that i can later use to execute a
> originate callback. It is nicer with ESL but i still think that will be
> nice to have a real way to expunge a second Javascript and let the first
> one die.
>
> The GSM channel/modem needs to be free-free (as I am a serial port-free)
> to handle the outgoing call. The callback script worked perfect with SIP
> because it does not care how many sessions are running in parallel. It can
> always place a call back event the channel is not properly close.
>
> /aep
>
>
> --
> Stopping junk mailers is good for the environment
>
> > So, what happens is that when you are executing an app, the state is
> > CS_EXECUTE. Even if the session is hungup, the state machine doesn't go
> > through all the hangup code until your app executes.
> >
> > The easiest workaround is probably to start a background api (bgapi?)
> call
> > to a script. This will happen on another thread, then allow your current
> > thread to execute and the hangup code will execute. This should work just
> > fine, I think. (You can stop reading here.)
> >
> > But wait, there's even more fun! anthm recently checked in a change a
> > couple days that lets you work around this. Don't call destroy, call
> > hangup on the session, on that session's thread. This will perform a
> > hangup, then progress the state machine. Then the session will truly be
> > hungup. Maybe you need update your freeswitch code, if this is not
> > happening for you.
> >
> > If you updated and hangup still isn't hanging up, you might want to ask
> > specifically about that. Or, you may need to call
> > switch_core_session_hangup_state directly -- just hangup alone might not
> > do the trick. This is a C function, and not exposed to languages by
> > default - you can either patch javascript plugin to expose this safely
> > (and I have no idea what this means for the javascript runtime), or use a
> > more capable plugin like mod_managed which _does_ expose all the C
> > functions, and lets you call in and out of them as you please.
> >
> > And now, someone who knows what they're talking about will chime in and
> > point out what I got wrong.
> >
> > Thanks,
> > -Michael
> >
> > -----Original Message-----
> > From: freeswitch-users-boun...@lists.freeswitch.org
> > [mailto:freeswitch-users-boun...@lists.freeswitch.org] On Behalf Of
> > Alberto Escudero
> > Sent: Thursday, September 17, 2009 3:20 PM
> > To: freeswitch-users@lists.freeswitch.org
> > Subject: [Freeswitch-users] Callback in Javascript, session.destroy()
> does
> > not free the channel!
> >
> > We are trying to create a callback application in Javascript. We get the
> > callerid from the unanswered call and after destroying the session, we
> > initiate a callback to the user to conenct it to a local extension in the
> > dialplan.
> >
> > Although we have tried to destroy the first session, or even invoke a
> > second script using apiExecute("jsrun",dialer.js"), tried
> session.hangup()
> > or exit()... the first session does not seem to close properly until the
> > whole chain of scripts are completed.
> >
> > Here is a piece of code that shows the concept (yes!, the sleep function
> > is far from ideal. CPU loves it! )
> >
> > function sleep(milliseconds) {
> >   var start = new Date().getTime();
> >   for (var i = 0; i < 1e7; i++) {
> >     if ((new Date().getTime() - start) > milliseconds){
> >       break;
> >     }
> >   }
> > }
> >
> > if (session.ready()) {
> >         //We catch the caller_id
> >         caller_id_num = session.caller_id_num;
> >
> >         console_log("Now we got your Caller ID\n");
> >
> >         //How long we want to wait to trigger a call back
> >         session.execute("sleep",5000);
> >
> >         console_log("We have waited a while... time to create the
> > callback\n");
> >
> >         //apiExecute("jsrun", "callback.js");
> >         }
> >
> > //Destroy the session...
> > session.destroy();
> > session=undefined;
> >
> > sleep(10000);
> >
> > //Preparing callback
> > session2 = new
> > Session('{ignore_early_media=true}celliax/interface1/600464646');
> > session2.setAutoHangup(false);
> > session2.answer();
> > exit();
> >
> > ++
> > Wisdom thoughts?
> >
> > --
> > Stopping junk mailers is good for the environment
> >
> >
> >
> >
> > _______________________________________________
> > FreeSWITCH-users mailing list
> > FreeSWITCH-users@lists.freeswitch.org
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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> > http://www.freeswitch.org
> >
> > _______________________________________________
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> >
> >
>
>
>
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-- 
Anthony Minessale II

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