[Freeswitch-users] move on from asterisk, the Random or rand function

[Michael Collins]

As usual, Tony rocks. I forgot that expr has all sorts of cool functions.
Check out that page Tony linked to, it has all sorts of interesting things.
Let me know if you have a valid reason to use atan2 (arc-tangent with
quadrant correction) in your dialplan. :P

-MC

On Fri, Apr 9, 2010 at 9:25 AM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> moderate news:
> there is the expr app that is not exactly intuitive but can generate a
> random number as a function variable
>
> ${expr(randomize(&x);ceil(random(0,10,&x)))}
>
> This will eval to a random number from 1 to 10 (always start one number
> less than where you want to start)
>
> see: http://wiki.freeswitch.org/files/expr.html
>
>
>
> On Thu, Apr 8, 2010 at 6:29 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>> Good news, bad news:
>>
>> The good news is that the XML dialplan is a very efficient way of handling
>> call routing. The bad news is that the XML dialplan is not a programming
>> language. There is no "rand" function, so you'll need to do something
>> different. One option is to use mod_distributor, however it is not "random"
>> so that may not work for you. The other option is to call Lua or system or
>> something and snag a random number.
>>
>> -MC
>>
>>
>> On Thu, Apr 8, 2010 at 1:29 PM, Krzysztof Drewicz <
>> krzysztofdrewicz at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> i'm slowly, but constantly moving from asterisk to fs.
>>>
>>> Stuck on translating this into a freeswitch:
>>>
>>> exten => s,1,Random(90:s,3)
>>> exten => s,2,Noop(his is hit 10% times)
>>> exten => s,3,Dial(SIP/8000)
>>>
>>> What i need to do is put a bucket on some calling_number + destination
>>> numer
>>> with some random percent to a voiceguide and hangup.
>>>
>>> i've found that memcache is very convinent way to put data into
>>> dialplan logic in runtime, so i plan to do:
>>>
>>> <extension name="bucket_part_01" continue="true">
>>>        <condition field="${do_bucket}" expression=".+" break="on-true"/>
>>>        <condition field="caller_id_number" expression="^123456789$">
>>>        <action data="do_bucket=${memcache(get
>>> b_${caller_id_number})}" application="set"/>
>>>        <action data="bucket_part_02" application="transfer"/>
>>>        <action application="hangup"/>
>>>        </condition>
>>> </extension>
>>>
>>> So above i check for caller_id_number in the memchache b_123456789 with
>>> option 1
>>> Then i transfer to anoter extension:
>>>
>>>  <extension name="bucket_part_02">
>>>        <condition field="destination_number"
>>> expression="bucket_part_02"/>
>>>        <condition field="${czy_robic}" expression="^1$">
>>>                <action data="bypass_media=true" application="set"/>
>>>                <action data="hits=${memcache(increment
>>> hit_bucket_test)}" application="set"/>
>>>
>>> AND HERE I do need some logic that does if Random() > 50%
>>>
>>>                <action application="answer"/>
>>>                <action
>>> data="/usr/local/freeswitch/sounds/pc/weRbusyRightNow.wav"
>>> application="playback"/>
>>>                <action application="hangup"/>
>>>        </condition>
>>> </extension>
>>>
>>>
>>> any cleaner approach or someone has done it better?
>>> note: don't want to use any lua, api or sth, just plain xml dialplan
>>> logic.
>>>
>>> _______________________________________________
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>>>
>>
>>
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>>
>
>
> --
> Anthony Minessale II
>
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