[Freeswitch-users] Unstable hangup hook in javascript

Fri Jul 23 18:21:08 PDT 2010

In my application, I seldom route calls. The task is to use FS as a
automated business coordinator over phone. Users call the system to update
their information and raise requests. The system collect these information
and upload to database. With real-time data, FS make decision and give out
instruction through SMS or out-going calls.
In this interesting situation, Freeswitch become Never-Switch, because it
takes the responsibility itself to communicate with each caller/callee
instead of switching to others.
That's why my script become complex.

On Sat, Jul 24, 2010 at 8:03 AM, Sergey Okhapkin
<sos at sokhapkin.dyndns.org>wrote:

> Which task do you want to accomplish? To me dynamic generation of FS
> dialplan
> from a script (language doesn't matter)  works better than realtime call
> flow
> control from a script, event socket etc. I do call routing, no PBX
> functions.
>
> On Friday 23 July 2010, xuyan yang wrote:
> > I know the solution of putting "if(!session.ready())exit()" to every
> check
> > point. But as my script already has nearly 3000 lines, there are too
> > many "if(!session.ready())exit()" to add.
> >
> > I tried error();  it works just because error is not defined. Using
> > intentional mistake to force exit is creative but strange.
> > After some thoughts I found that throw a user defined exception in the
> hook
> > may be a better way to force exit without the red [ERR] line.
> >
> > By the way, I still feel that let exit() in the hook stop the whole
> script
> > instead of the hook only seems to be more consistent because they are
> > not executed in separate thread. Would you please consider this if it is
> >  not difficult? Thanks.
> >
> >
> > On Sat, Jul 24, 2010 at 6:17 AM, Anthony Minessale <
> >
> > anthony.minessale at gmail.com> wrote:
> > > if session.ready is false it means the channel is hungup.
> > >
> > > error(); will exit your script.
> > >
> > > you can probably remove some of them if you are getting better results
> > > with the patch.
> > >
> > > On Fri, Jul 23, 2010 at 4:56 PM, xuyan yang <xyangni at gmail.com> wrote:
> > >> Thanks for your update. I have tested it again base on the latest git
> > >> tree, the hangup hook does work every time and the script continue to
> > >> run without error message.
> > >>
> > >> But this behaviour change caused another problem as I still need to
> stop
> > >> the script when the session is hangup.
> > >> Adding if(session.ready()) to every line of my script does not seem to
> > >> be a good solution. So I decided to call exit() in the hangup hook.
> > >> However the test result is that exit() in hangup hook only works the
> > >> same as "return". That means exit() in hangup hook only stops the hook
> > >> while the main program can not be stopped.
> > >>
> > >> Is there any good solution to stop the script immediately when hangup?
> > >>
> > >> On Sat, Jul 24, 2010 at 3:13 AM, Anthony Minessale <
> > >>
> > >> anthony.minessale at gmail.com> wrote:
> > >>> give lastest HEAD a try, I pushed in some more checks and made
> calling
> > >>> session.hangup() nonfatal when it's already hungup.
> > >>>
> > >>> On Fri, Jul 23, 2010 at 1:27 PM, xuyan yang <xyangni at gmail.com>
> wrote:
> > >>>> I added many session.ready() as below and re-do the test again.
> > >>>> the steps are:
> > >>>> 1. type jsrun test.js   in fs_cli
> > >>>> 2. answer the call in x-lite.
> > >>>> 3. when I hear the speech, hangup the call in about 1 second.
> > >>>> 4 check the log to find  "hangup!!!!!!!!!!!!!"
> > >>>>
> > >>>> the result is that
> > >>>>  about half of the test failed to call hangup hook.
> > >>>> in all tests the script end up with [ERR] inline:1 Session is not
> > >>>> active!    then the script stopped and session.ready() near the end
> > >>>> can not get the chance to run.
> > >>>>
> > >>>>
> > >>>>
> > >>>> ////test.js
> > >>>> function on_hangup(session, how){
> > >>>>  console_log("notice","hangup!!!!!!!!!!!!!\n");
> > >>>> }
> > >>>>
> > >>>> session = new Session("sofia/gateway/12voip-out/*********");
> > >>>> session.waitForAnswer();
> > >>>> session.ready();
> > >>>> session.execute("set","continue_on_fail=true");
> > >>>> var res=session.setHangupHook(on_hangup);
> > >>>> console_log("notice","res:"+res+"\n");
> > >>>> if(session.ready())session.execute("speak", "This is an example of
> > >>>> flite text to speech engine. We can test the work of hanguphook.");
> > >>>> if(session.ready())session.execute("speak","you are calling from " +
> > >>>> session.caller_id_num + " You are calling " + session.destination );
> > >>>> session.ready();
> > >>>> session.hangup();
> > >>>>
> > >>>> On Sat, Jul 24, 2010 at 1:08 AM, Anthony Minessale <
> > >>>>
> > >>>> anthony.minessale at gmail.com> wrote:
> > >>>>> It checks before and after blocking calls like that.
> > >>>>>
> > >>>>> On Jul 23, 2010 11:53 AM, "Dan" <freeswitch-users at digitaldan.com>
> > >>>>> wrote:
> > >>>>>
> > >>>>>  So If I call session.recordFile which blocks in code until the
> user
> > >>>>> hangs up, and can't make periodic calls to session.ready,  is the
> > >>>>> hangup hook not realiable in this scenario?
> > >>>>>
> > >>>>> ------------------------------
> > >>>>> *From: *"Anthony Minessale" <anthony.minessale at gmail.com>
> > >>>>> *To: *"FreeSWITCH Users Help" <
> freeswitch-users at lists.freeswitch.org>
> > >>>>> *Sent: *Thursday, July 22, 2010 10:30:48 AM
> > >>>>> *Subject: *Re: [Freeswitch-users] Unstable hangup hook in
> javascript
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> You must make periodic calls to session.ready() or some other
> > >>>>> freeswitch api functions to trigger ...
> > >>>>>
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> > >>> --
> > >>> Anthony Minessale II
> > >>>
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> > >>>ale at gmail.com> IRC: irc.freenode.net #freeswitch
> > >>>
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> > > --
> > > Anthony Minessale II
> > >
> > > FreeSWITCH http://www.freeswitch.org/
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> > >
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> >
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> <PAYPAL%3Aanthony.minessal
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