[asterisk-users] How to create a module

[Adrian Abramovich]

Steve,

Yes, I'm executing the Perl script as an AGI.
Very useful points!.... I really appreciate them!.

Thanks,


Adrian Abramovich

On Fri, Jul 8, 2011 at 12:50 PM, Steve Edwards <asterisk.org at sedwards.com>wrote:

> On Fri, 8 Jul 2011, Adrian Abramovich wrote:
>
>  We are using asterisk 1.4 and we use a Perl script to record some specific
>> calls. As far, everything is working well. I was thinking about create a
>> module in order to improve script's performance.
>>
>
> (I'm assuming you're executing your Perl script as an AGI.)
>
> I'd vote for re-writing your Perl script in C.
>
> Once you get past the small* hit for process creation and AGI environment
> setup, the execution time should be very similar between C code executing as
> a module and C code executing as an AGI.
>
> The advantages of an AGI over a module are:
>
> ) You already know the AGI environment.
>
> ) Writing an AGI is probably an order of magnitude easier than writing a
> module. The 'environment' is much simpler, stable between Asterisk versions
> and better defined.
>
> ) Debugging an AGI is probably a couple of orders of magnitude easier than
> debugging a module because it is usually a single threaded process and you
> can (within obvious limitations) 'desk test' your code completely external
> to Asterisk.
>
> ) You'll get more support on the mailing lists. A lot more people know how
> to write and debug an AGI than know how to write and debug a module.
>
> ) When (not if) you hit a bug, it only takes out your AGI, not the entire
> Asterisk process. The damage is limited to a single call, not all calls in
> flight.
>
> *) You can execute hundreds of AGIs written in C in the time it takes to
> load the Perl interpreter and parse your script.
>
> --
> Thanks in advance,
> ------------------------------**------------------------------**
> -------------
> Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
> Newline                                              Fax: +1-760-731-3000
>
>
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