[Freeswitch-dev] Hangup hook gets destroyed when calling a script in conference caller controls

[Melanie Treitinger]

Hi,

I have the following scenario: When using a script in the conference 
caller controls, the hangup hook gets destroyed.
Affected script languages: Lua, Spidermonkey, Python, Perl

You can easily reproduce this effect using the below Lua scripts and 
adding the script application to the caller controls.
This is what happens:
- hangup without pressing a digit: hangup hook is called
- press a digit without script call, then hangup: hangup hook is called
- press a digit with script call, then hangup: hangup hook is not called

Looking into the source code of session_destroy, you can see that the 
hangup hook is in fact removed - which shold not happen when calling a 
script.
And there is no way to set it again after pressing the "*" digit.

Any ideas on this?


Thanks,
Melanie



test-conferece.lua:
--------------
function session_hangup_hook(status)
freeswitch.consoleLog("NOTICE", "Session hangup: " .. status .. "\n")
   error()
end

session:answer();
session:setHangupHook("session_hangup_hook")
conf_num = "3000"
session:execute("conference", string.format("%s at default", conf_num))
session:hangup()


caller_controls.lua:
--------------------
freeswitch.consoleLog("NOTICE","---- DTMF detect ----\n");


conference.conf.xml:
--------------------
<caller-controls>
<group name="default">
   <control action="mute" digits="0"/>
   <control action="execute_application" digits="*" data="lua 
caller_controls.lua"/>
   <control action="energy up" digits="9"/>
   <control action="energy equ" digits="8"/>
   <control action="energy dn" digits="7"/>
   <control action="vol talk up" digits="3"/>
   <control action="vol talk zero" digits="2"/>
   <control action="vol talk dn" digits="1"/>
   <control action="vol listen up" digits="6"/>
   <control action="vol listen zero" digits="5"/>
   <control action="vol listen dn" digits="4"/>
   <control action="hangup" digits="#"/>
</group>
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