[Freeswitch-users] Unstable hangup hook in javascript

[Anthony Minessale]

You must make periodic calls to session.ready() or some other freeswitch api
functions to trigger the hangup hook.
The hangup hook in scripts must be executed by your call's thread, if
another thread does the hangup on your channel, it queues in the internal
object that it needs to call the hanguphook method.  This is triggered by
doing anything new in your script.  So if your channel is blocking on
something while its being hungup, it will eventually pick up on it when it
exits the blocking call and runs one of many methods that have a check for
if it has to run the hangup hook.  Manually calling hangup is a bad example,
because you know you are hanging up so there is no real need to trigger the
hanguphook but if you want to ensure it does you have to call
session.ready() one last time.

If you are writing a critical application, consider C.  It's much more
robust when it comes to this type of problem because it supports threading.
Or consider ESL external scripts where you can run async operations and get
events etc.





On Thu, Jul 22, 2010 at 10:55 AM, Chris Fowler <chris at fowler.cc> wrote:

>  Did this topic get resolved?  We’re seeing the same occasional problem
> using LUA scripts where on occasion the hangup hook doesn’t get called.
>
>
>
> Our app for this is the 24x7 emergency paging system for our customers – so
> we’d like to resolve!
>
>
>
> This in on our production system (which is very stable) – hence the out of
> date build: FreeSWITCH Version 1.0.trunk (16535).
>
>
>
> Thanks, Chris.
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *xuyan yang
> *Sent:* Sunday, July 11, 2010 08:08
> *To:* freeswitch-users at lists.freeswitch.org
> *Subject:* [Freeswitch-users] Unstable hangup hook in javascript
>
>
>
> Hi,
>
>
>
> I have tested the hangup hook function using the following javascript.
> During the speech in the call I hangup the call to see the result. Sometimes
> hangup function works, but sometimes it did not. The chance of fail is about
> 1 out of 10. I am running windows XP, FS git version cloned and compiled at
> end of Jun. Does anyone meet the same problem? Or do I make some mistake in
> the script? Thanks.
>
>
>
>
>
> ////test.js
>
> function on_hangup(session, how){
>
>             console_log("notice","hangup!!!!!!!!!!!!!\n");
>
> }
>
>
>
>  session = new Session("sofia/gateway/12voip-out/*********");
>
>
>
> session.waitForAnswer();
>
> session.execute("set","continue_on_fail=true");
>
> var res=session.setHangupHook(on_hangup);
>
> console_log("notice","res:"+res+"\n");
>
> session.execute("speak", "This is an example of flite text to speech
> engine. We can test the work of hanguphook.");
>
> session.execute("speak","you are calling from " + session.caller_id_num + "
> You are calling " + session.destination );
>
> session.hangup();
>
>
>
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>


-- 
Anthony Minessale II

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