[Freeswitch-users] which language to implement dial plans in?

[Steven Ayre]

In terms of running python scripts, it's running for the same time the
equivalent lua one would be. Don't know how the overhead compares, although
I expect lua is lower.

-Steve



On 18 February 2011 10:37, Avi Marcus <avi at avimarcus.net> wrote:

> mod_python, cool. I've heard lua has a very low overhead, but what about
> mod_python (or PHP ESL)?
> I'd imagine the script would have to be left "running" until the call
> completed.
>  mod_python seems pretty well fleshed out...
> -Avi
>
>
> On Fri, Feb 18, 2011 at 11:07 AM, Steven Ayre <steveayre at gmail.com> wrote:
>
>> C is faster, but it's probably not worth it unless you can show that
>> there's enough processing being done by your script that it'd have an
>> impact. It's slightly more work to tweak it than just editing a script since
>> you'd need to recompile and reload the module, which might also be trickier
>> if you're handling traffic at the time.
>>
>> Lua (mod_lua) is probably the most commonly used language, but there's
>> also Python (mod_python) as you've spotted. There's also JavaScript
>> (mod_spidermonkey) which you haven't mentioned. Which you use is really up
>> to you though.
>>
>> As far as database access goes, from Lua check out:
>> http://wiki.freeswitch.org/wiki/Lua_freeswitch_dbh
>>
>> It gives you a database interface without having to install and configure
>> luasql, and you get to take advantage of the FS connection pooling which you
>> wouldn't if you were using the native support. That'll should speed up
>> database access times (you'll in most cases already be connected to the
>> database so the call doesn't have to wait while you connect). I don't think
>> that interface is available in the other languages just yet though.
>>
>> -Steve
>>
>>
>> On 18 February 2011 06:17, Edward de Jong <edward.dejong at voicecarrier.com
>> > wrote:
>>
>>> I am new to freeswitch, and wondering which of the many languages to
>>> implement my rather complex dial plan in. I know i can't express my desires
>>> in the normal XML language, because I need looping and database access, so
>>> which language is the best tested and most reliable in terms of usage with
>>> FreeSwitch. My finalists so far are Lua, Python, and good old C. Haven't
>>> used python or lua yet, but I figure C will have a big performance
>>> advantage.
>>>
>>> but maybe not important considering how much greater the CPU load in the
>>> switch is devoted to handling audio streams...
>>>
>>> edj
>>>
>>>
>>> _______________________________________________
>>> 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
>>
>>
>
> _______________________________________________
> 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
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20110218/ee493028/attachment.html