[Freeswitch-users] Executing Multiple Applications in parallel

Michael Collins msc at freeswitch.org
Mon Jan 28 20:56:33 MSK 2013 

I created a spot where you can document this:

http://wiki.freeswitch.org/wiki/Dialplan_XML#Example_22:__Play_MOH_while_doing_a_database_lookup

-MC

On Sat, Jan 26, 2013 at 6:45 PM, JP <jaykris at gmail.com> wrote:

> Thanks Anthony!! That works perfectly. This is what I did...
>
>     <extension name="MY TEST">
>       <condition field="destination_number" expression="8027">
>             <action application="answer"/>
>             <action application="play_and_get_digits" data="4 16 3 7000 #
> phrase:Callidus_OD_Prompt phrase:Callidus_invalid_entry case_number \d+" />
>             <action application="set" data="x=${expand(luarun
> callidus_get_customer_info.lua ${case_number} ${uuid})}"/>
>             <action application = "playback"
> data="/tmp/WPJ_MUSIC_QUEUE_4.wav"/>
>        </condition>
>     </extension>
>
> This is pretty neat. It should be on the wiki. If someone can suggest the
> best place to place this on the wiki, I can update it.
>
> Thank you,
> JP
>
> On Fri, Jan 25, 2013 at 8:37 PM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> only non-ESL method to do what you want....
>>
>> 1) make the dialplan use the FSAPI via variable expansion to call luarun
>> on the script with the uuid as the first arg (this will go in a new thread)
>> 2) play your long file
>> 3) do what you need to do and then use the uuid to feed to uuid_transfer
>> api
>>
>>
>>
>>
>> On Fri, Jan 25, 2013 at 10:26 PM, Usama Zaidi <itsusama at gmail.com> wrote:
>>
>>> http://pastebin.freeswitch.org/20508 I just checked the link and it
>>> works...
>>>
>>>
>>> On Sat, Jan 26, 2013 at 5:44 AM, Usama Zaidi <itsusama at gmail.com> wrote:
>>>
>>>> Hey,
>>>>
>>>> I posted this earlier as a question, but I think this might be
>>>> relevant. ttp://pastebin.freeswitch.org/20508<http://pastebin.freeswitch.org/20508>.
>>>> The workaround (hack) for my issue is to check the connection state
>>>> ($con->connected()) every time you loop and reconnect and subscribe for
>>>> events again when that returns false.
>>>>
>>>> On Sat, Jan 26, 2013 at 5:33 AM, <
>>>> freeswitch-users-request at lists.freeswitch.org> wrote:
>>>>
>>>>> Send FreeSWITCH-users mailing list submissions to
>>>>>         freeswitch-users at lists.freeswitch.org
>>>>>
>>>>> To subscribe or unsubscribe via the World Wide Web, visit
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>>>>> or, via email, send a message with subject or body 'help' to
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>>>>>
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>>>>>
>>>>> When replying, please edit your Subject line so it is more specific
>>>>> than "Re: Contents of FreeSWITCH-users digest..."
>>>>>
>>>>> Today's Topics:
>>>>>
>>>>>    1. Re: Executing multiple applications in parallel (Michael Collins)
>>>>>    2. Re: Executing multiple applications in parallel (JP)
>>>>>
>>>>>
>>>>> ---------- Forwarded message ----------
>>>>> From: Michael Collins <msc at freeswitch.org>
>>>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>>> Cc:
>>>>> Date: Fri, 25 Jan 2013 16:10:37 -0800
>>>>> Subject: Re: [Freeswitch-users] Executing multiple applications in
>>>>> parallel
>>>>> The problem you're running into is that you are trying to do two
>>>>> different things inside of the thread that is controlling the call flow.
>>>>> Playing sound files and running Lua scripts are synchronous in this
>>>>> context. This seems more suited for an outbound event socket application.
>>>>> Using the event socket you can control the call while doing other things.
>>>>>
>>>>> Just curious - does anyone have an ESL example of this kind of thing?
>>>>> The wiki could definitely use this kind of example as it is quite useful.
>>>>> I'll look around and see if I can find anything.
>>>>>
>>>>> -MC
>>>>>
>>>>> On Fri, Jan 25, 2013 at 3:00 PM, JP <jaykris at gmail.com> wrote:
>>>>>
>>>>>> Avi,
>>>>>> Thanks for the response. Unfortunately that did not work. This is
>>>>>> what I did
>>>>>>
>>>>>>
>>>>>>     <extension name="MyExtension">
>>>>>>       <condition field="destination_number" expression="9005">
>>>>>>             <action application="answer"/>
>>>>>>             <action application="play_and_get_digits" data="4 16 3
>>>>>> 7000 # phrase:MyPrompt phrase:My_invalid_entry case_number \d+" />
>>>>>>             <action application="playback" data="phrase:wait_msg" />
>>>>>>             <action application="sched_broadcast" data="+0
>>>>>> playback::/tmp/WPJ_MUSIC_QUEUE_4.wav"/>
>>>>>>             <action application="lua" data="get_customer_info.lua
>>>>>> ${case_number}" />
>>>>>>        </condition>
>>>>>>     </extension>
>>>>>>
>>>>>> The music only plays after the Lua script exits. I played around with
>>>>>> the timer value, but that did not help either. Any other ideas?
>>>>>>
>>>>>> Thanks
>>>>>> JP
>>>>>>
>>>>>>
>>>>>> On Fri, Jan 25, 2013 at 1:22 AM, Avi Marcus <avi at avimarcus.net>wrote:
>>>>>>
>>>>>>> ESL gives you more control, especially to execute things in parallel.
>>>>>>> If you want to do it within FS, that's a little more complicated,
>>>>>>> since most things are sequential.
>>>>>>>
>>>>>>> However, if you use the async APIs, then I think it could work:
>>>>>>> 1) sched_broadcast<http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_sched_broadcast> --
>>>>>>> schedule the playback of your file on the UUID of the channel, for +0,
>>>>>>> meaning now.
>>>>>>> 2) run your lua script
>>>>>>> 3) Then stop (break) the playback on that uuid: break<http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_break>
>>>>>>> 4) Continue with your execution.
>>>>>>>
>>>>>>> Please wikify your results and let us know how that works out!
>>>>>>> -Avi
>>>>>>>
>>>>>>>  On Fri, Jan 25, 2013 at 3:34 AM, JP <jaykris at gmail.com> wrote:
>>>>>>>
>>>>>>>>  I want to do the following...
>>>>>>>>
>>>>>>>> 1. Play a long music file from a dialplan.
>>>>>>>> 2. While the music is playing, I want to launch a Lua script to do
>>>>>>>> some data dip.
>>>>>>>> 3. Once the data is fetched and Lua exits, I want to interrupt the
>>>>>>>> music and continue in the dialplan
>>>>>>>>
>>>>>>>> How do I do this. Any sample code or pointers would be greatly
>>>>>>>> appreciated.
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> 
>>>>>>>> 
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://wiki.freeswitch.org
>>>>>>>> http://www.cluecon.com
>>>>>>>>
>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>> UNSUBSCRIBE:
>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>> http://www.freeswitch.org
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> 
>>>>>>> 
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://wiki.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>> UNSUBSCRIBE:
>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> 
>>>>>> 
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://wiki.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>> UNSUBSCRIBE:
>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>> http://www.freeswitch.org
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Michael S Collins
>>>>> Twitter: @mercutioviz
>>>>> http://www.FreeSWITCH.org
>>>>> http://www.ClueCon.com
>>>>> http://www.OSTAG.org
>>>>>
>>>>>
>>>>>
>>>>> ---------- Forwarded message ----------
>>>>> From: JP <jaykris at gmail.com>
>>>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>>> Cc:
>>>>> Date: Fri, 25 Jan 2013 16:32:50 -0800
>>>>> Subject: Re: [Freeswitch-users] Executing multiple applications in
>>>>> parallel
>>>>> MC,
>>>>> Thanks for the info. Unfortunately outbound event socket application
>>>>> is not an option for me right now. I was wondering if the following "ideas"
>>>>> can be of any use to me( I know I am trying clutch at straws, but hope is
>>>>> eternal :))
>>>>> 1. Use "bgapi". Although on the wiki I only see this used with
>>>>> "originate".
>>>>> 2. Can I use a conference to park the caller there while playing music
>>>>> on another call leg of the conference. Meanwhile can I execute the Lua
>>>>> script :))
>>>>> 3. Can I launch another Lua script from my original one asynchronously?
>>>>> 4. Can I have a start up Lua script running in the background
>>>>> listening for some custom events and I can have the main caller thread
>>>>> generate the custom event and then start playing long music file. Once the
>>>>> background Lua script is done with the data dip, it can just break the
>>>>> music on the other channel.
>>>>>
>>>>> That's it from me. Someone help me from sinking... please.
>>>>>
>>>>> Thanks,
>>>>> -JP
>>>>>
>>>>>
>>>>> On Fri, Jan 25, 2013 at 4:10 PM, Michael Collins <msc at freeswitch.org>wrote:
>>>>>
>>>>>> The problem you're running into is that you are trying to do two
>>>>>> different things inside of the thread that is controlling the call flow.
>>>>>> Playing sound files and running Lua scripts are synchronous in this
>>>>>> context. This seems more suited for an outbound event socket application.
>>>>>> Using the event socket you can control the call while doing other things.
>>>>>>
>>>>>> Just curious - does anyone have an ESL example of this kind of thing?
>>>>>> The wiki could definitely use this kind of example as it is quite useful.
>>>>>> I'll look around and see if I can find anything.
>>>>>>
>>>>>> -MC
>>>>>>
>>>>>>
>>>>>> On Fri, Jan 25, 2013 at 3:00 PM, JP <jaykris at gmail.com> wrote:
>>>>>>
>>>>>>> Avi,
>>>>>>> Thanks for the response. Unfortunately that did not work. This is
>>>>>>> what I did
>>>>>>>
>>>>>>>
>>>>>>>     <extension name="MyExtension">
>>>>>>>       <condition field="destination_number" expression="9005">
>>>>>>>             <action application="answer"/>
>>>>>>>             <action application="play_and_get_digits" data="4 16 3
>>>>>>> 7000 # phrase:MyPrompt phrase:My_invalid_entry case_number \d+" />
>>>>>>>             <action application="playback" data="phrase:wait_msg" />
>>>>>>>             <action application="sched_broadcast" data="+0
>>>>>>> playback::/tmp/WPJ_MUSIC_QUEUE_4.wav"/>
>>>>>>>             <action application="lua" data="get_customer_info.lua
>>>>>>> ${case_number}" />
>>>>>>>        </condition>
>>>>>>>     </extension>
>>>>>>>
>>>>>>> The music only plays after the Lua script exits. I played around
>>>>>>> with the timer value, but that did not help either. Any other ideas?
>>>>>>>
>>>>>>> Thanks
>>>>>>> JP
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Jan 25, 2013 at 1:22 AM, Avi Marcus <avi at avimarcus.net>wrote:
>>>>>>>
>>>>>>>> ESL gives you more control, especially to execute things
>>>>>>>> in parallel.
>>>>>>>> If you want to do it within FS, that's a little more complicated,
>>>>>>>> since most things are sequential.
>>>>>>>>
>>>>>>>> However, if you use the async APIs, then I think it could work:
>>>>>>>> 1) sched_broadcast<http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_sched_broadcast> --
>>>>>>>> schedule the playback of your file on the UUID of the channel, for +0,
>>>>>>>> meaning now.
>>>>>>>> 2) run your lua script
>>>>>>>> 3) Then stop (break) the playback on that uuid: break<http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_break>
>>>>>>>> 4) Continue with your execution.
>>>>>>>>
>>>>>>>> Please wikify your results and let us know how that works out!
>>>>>>>> -Avi
>>>>>>>>
>>>>>>>>  On Fri, Jan 25, 2013 at 3:34 AM, JP <jaykris at gmail.com> wrote:
>>>>>>>>
>>>>>>>>>  I want to do the following...
>>>>>>>>>
>>>>>>>>> 1. Play a long music file from a dialplan.
>>>>>>>>> 2. While the music is playing, I want to launch a Lua script to do
>>>>>>>>> some data dip.
>>>>>>>>> 3. Once the data is fetched and Lua exits, I want to interrupt the
>>>>>>>>> music and continue in the dialplan
>>>>>>>>>
>>>>>>>>> How do I do this. Any sample code or pointers would be greatly
>>>>>>>>> appreciated.
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _________________________________________________________________________
>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>> consulting at freeswitch.org
>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>
>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>> http://www.freeswitch.org
>>>>>>>>> http://wiki.freeswitch.org
>>>>>>>>> http://www.cluecon.com
>>>>>>>>>
>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> 
>>>>>>>> 
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://wiki.freeswitch.org
>>>>>>>> http://www.cluecon.com
>>>>>>>>
>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>> UNSUBSCRIBE:
>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>> http://www.freeswitch.org
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> 
>>>>>>> 
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://wiki.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>> UNSUBSCRIBE:
>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Michael S Collins
>>>>>> Twitter: @mercutioviz
>>>>>> http://www.FreeSWITCH.org
>>>>>> http://www.ClueCon.com
>>>>>> http://www.OSTAG.org
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> 
>>>>>> 
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://wiki.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>> UNSUBSCRIBE:
>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>> http://www.freeswitch.org
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>> http://www.freeswitch.org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> I'd love to change the world, but they wont gimme the source code to it
>>>>
>>>
>>>
>>>
>>> --
>>> I'd love to change the world, but they wont gimme the source code to it
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>>
>>
>>
>> --
>> Anthony Minessale II
>>
>> FreeSWITCH http://www.freeswitch.org/
>> ClueCon http://www.cluecon.com/
>> Twitter: http://twitter.com/FreeSWITCH_wire
>>
>> AIM: anthm
>> MSN:anthony_minessale at hotmail.com
>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
>> IRC: irc.freenode.net #freeswitch
>>
>> FreeSWITCH Developer Conference
>> sip:888 at conference.freeswitch.org
>> googletalk:conf+888 at conference.freeswitch.org
>> pstn:+19193869900
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>


-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
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