On Tue, 4 Jan 2022, Nikša Baldun wrote:
I apologize for not commenting on the actual issue. However, after
having the experience of writing a complex dialplan, I feel strongly
compelled to say that it shouldn't be done at all. Any non-trivial call
flow should be written in Fast AGI. I can't see any upside of using
extensions.conf or AEL. Using a real programming language is
considerably easier, faster and more powerful, all the necessary tools
already exist and most importantly, execution is significantly faster.
In my case, after rewriting my dialplan in Python, call preparation time
fell from 2.5 seconds to a mere 50 milliseconds.
+1
Although, if you write your AGIs in a compiled language, a mix of dialplan
and AGI is performant. One of my dialplans invokes a half dozen AGIs
before the first prompt and nobody has ever complained about a delay.
An Asterisk lint / validator would be a good 'pre-flight' check before
pushing out to production.
My first thought was that it should be an external tool, but a couple of
my recent dialplans have been in AEL so maybe an internal tool does make
sense.
Unfortunately, I do [ab]use channel variables extensively. Some of my
dialplans create thousands of channel variables per call. Almost every
sound file reference has at least 1 channel variable. Some variable
references have nested variable names like:
set(PER-MINUTE=${PRODUCT-${EXTEN}-PER-MINUTE})
and
goto(${PRODUCT-${EXTEN}-APPLICATION},s,1)
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards [email protected] Voice: +1-760-468-3867 PST
https://www.linkedin.com/in/steve-edwards-4244281--
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