Andrew,

Curious if this structure will work at the bottom of either a a Lua script or Lua function:

do

  return "exit"

end

I seem to recall that being a trick that helped for weird 'return' cases.

Chad

On Tue, Mar 8, 2016 at 12:54 PM, Andrew Keil <andrew.keil@visytel.com> wrote:

Michael,

 

I have just run some more tests and you are correct that calling it inside a while loop like what you explained below does work outside of the hangup hook handler.  Thanks for providing this extra information.

 

It should be noted that it does not work on its own simply at the bottom of a Lua function (ie. as the last statement without a while loop) -  except as the last statement inside the hangup hook function.

 

ie. This works:

----------------------------------------------------------------

 

 

function CleanUp()

                freeswitch.consoleLog("CLEANUP SECTION\n")

                freeswitch.consoleLog("CLEANUP SECTION COMPLETE\n")

end

 

function myHangupHook(s, status, arg)

                freeswitch.consoleLog(string.format("%s DETECTED\n",arg))

                session:hangup()

                -- Run CleanUp function now since the caller has disconnected  

                CleanUp()

                -- Abort Lua script here to avoid returning to MainService()

                return "exit"      

end

-- Setup Hangup event handler here

v_hangup = "HANGUP"

session:setHangupHook("myHangupHook", "v_hangup")

 

Whereas this does not work:

----------------------------------------------------------------

 

function CleanUp()

                freeswitch.consoleLog("CLEANUP SECTION\n")

                freeswitch.consoleLog("CLEANUP SECTION COMPLETE\n")

                return "exit"      

end       

 

function myHangupHook(s, status, arg)

                freeswitch.consoleLog(string.format("%s DETECTED\n",arg))

                session:hangup()

                -- Run CleanUp function now since the caller has disconnected  

                CleanUp()

end

-- Setup Hangup event handler here

v_hangup = "HANGUP"

session:setHangupHook("myHangupHook", "v_hangup")

 

Regards,

 

Andrew

 

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Michael Collins
Sent: Saturday, 5 March 2016 8:11 AM
To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org>
Subject: Re: [Freeswitch-users] Re- End Lua script after HangupHook handled without all the extra code to handle the return to the function

 

 

 

On Fri, Mar 4, 2016 at 9:19 AM, Abaci B <abaci64@gmail.com> wrote:

The question is not how to figure out when to exit the lua script, the question is how to exit the lua script, and that can sometimes be tricky or complicated as return "exit" only works from hangup hook.

 

Are you positive that it works only from a hangup hook? It seems to work at the end of any loop:

 

-- testing exit (no session, call with luarun)

freeswitch.consoleLog('INFO',"Starting infinite loop...\n")

while(1) do

  freeswitch.consoleLog('WARNING',"Before exit...\n")

  return "exit"

end

freeswitch.consoleLog('INFO',"All done!\n")

 

 

Or with a session:

-- test exit with session, no hangup hook

session:answer()

freeswitch.consoleLog('INFO',"Entering main loop...\n")

while ( session:ready() == true ) do

  freeswitch.consoleLog('WARNING',"Inside loop...\n")

  return "exit"

end

freeswitch.consoleLog('INFO',"All done!\n")

 

In both cases I never see "All done!" at the CLI. Can you try it and see if there's a scenario where it does not exit as expected?

 

-MC

 

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