[Freeswitch-users] ESL outbound /inbound

[Rafqat .]

Hi,

I could get lua to do the lookup, I was wondering i guess where does one draw the line between when to do stuff inline and when to do stuff outside of freeswitch (in terms of load and scalability of solution etc.)

Cheers

Raf

Date: Thu, 23 Dec 2010 12:37:26 -0800
From: msc at freeswitch.org
To: freeswitch-users at lists.freeswitch.org
Subject: Re: [Freeswitch-users] ESL outbound /inbound

What is wrong with having Lua do the db lookup? -MC

On Thu, Dec 23, 2010 at 9:42 AM, Rafqat . <rafonline at hotmail.com> wrote:






Hi,

I am writing a calling card app using lua and java.  

As advised, Java will predominatley do all the billing side of things (via ESL) leaving lua do simple things like asking for the calling card pin number etc.


When a call comes in, my lua script answers the call and asks the user for a pin.  Instead of querying the DB inline from within lua, I would like my app server to do this (please let me know if this should be done inline instead).  I understand my app server (Java ESL inbound socket) can register for a pin checking custom event and I can generate such an event from within my lua script.  My lua script would then wait for an appropriate repsonse event:


-- Check if pin is valid
local event = freeswitch.Event("CUSTOM", "check_pin_request");
event:addHeader("pin_number", digits);
event:fire();

-- wait for response
con = freeswitch.EventConsumer("CUSTOM", "check_pin_reponse");

con:pop(1);
print("event\n" .. e:serialize("xml"));

I was wondering if the above is the right way of doing things, or should I be using ESLOutboundSocket and have lua script do something like this instead:


session:execute("set", "pin_to_check=12345");
session:execute("socket", "192.168.0.2:8084");

Not sure how lua will be told whether the pin is valid or not in this scenario.


I appreciate FreeSWITCH is very flexible and would like to make sure I develop a scalable and performant application.

Any help will be much appreciated.

Cheers

Raf



 		 	   		  


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