[Freeswitch-users] Limit max concurrent calls on gateways in lua

Mon Feb 23 02:05:41 MSK 2015

that's completely fine, you can still execute dialplan applications
from your ESL connection - just like you set a variable or execute a
bridge command, you can call the "limit" application before bridging
the call.

On Sun, Feb 22, 2015 at 11:53 PM, Zoltán Szabó <zoell at zoell.us> wrote:
> The problem is I don't have any dialplan here, as I start the lua script
> with ESL from a different software.
>
> 2015-02-22 22:43 GMT+00:00 Stanislav Sinyagin <ssinyagin at gmail.com>:
>>
>> the "limit_usage" command should work -- also from fs_cli.
>>
>> When the "limit" dialplan application changes the current count, a
>> corresponding message is printed into debug log, so you should see if
>> the limit is set correctly during the call.
>>
>>
>>
>> On Sun, Feb 22, 2015 at 6:04 PM, Zoltán Szabó <zoell at zoell.us> wrote:
>> > Hi,
>> >
>> > Thanks but how can I run limit_usage in my case?
>> >
>> > With this line, the call starts immediately:
>> > session1 = freeswitch.Session(dial_call_1);
>> >
>> > So I need to get the usage info before I start a session. I tried this
>> > before the freeswitch.Session but it always returns 0:
>> > api = freeswitch.API();
>> > local count = api:execute("limit_usage", "hash outbound gw-1");
>> >
>> > I also tied something like this:
>> >
>> >     limit_gateway1 = "hash outbound gw-1 3 originate
>> > sofia/gateway/gw-1/" ..
>> > phone;
>> >     limit_gateway2 = "hash outbound gw-2 3 originate
>> > sofia/gateway/gw-2/" ..
>> > phone;
>> >     limit_gateway3 = "hash outbound gw-3 3 originate
>> > sofia/gateway/gw-3/" ..
>> > phone;
>> >
>> >     session1 = freeswitch.Session();
>> >     session1:execute("limit_execute", limit_gateway1);
>> >     session1:execute("limit_execute", limit_gateway2);
>> >     session1:execute("limit_execute", limit_gateway3);
>> >
>> > But it says the session is not initialized when it reaches the first
>> > limit_execute line.
>> >
>> > And unfortunately I don't have any dialplan here as I initiate my calls
>> > from
>> > the lua script. Am I missing something?
>> >
>> > Many thanks
>> >
>> > 2015-02-08 15:25 GMT+00:00 Stanislav Sinyagin <ssinyagin at gmail.com>:
>> >>
>> >> here's what I do in mod_perl, Lua code will be quite similar:
>> >>
>> >>     $session->execute
>> >>         ('set',
>> >>          sprintf('user_busy=${cond(${limit_usage(hash %s %s)} > 0 ?
>> >> true:false)}',
>> >>                  $domain, $availability_username));
>> >>     my $user_busy = $session->getVariable('user_busy');
>> >>     if( $user_busy eq 'true' )
>> >>     {
>> >> ......
>> >>
>> >> also see my blog entry here:
>> >>
>> >>
>> >> https://txlab.wordpress.com/2013/06/29/freeswitch-limiting-the-number-of-concurrent-calls-on-multiple-sip-accounts/
>> >>
>> >>
>> >> On Sun, Feb 8, 2015 at 1:12 PM, Zoltán Szabó <zoell at zoell.us> wrote:
>> >> > Hi,
>> >> >
>> >> > I have a lua script where I do some business logic. After the logic I
>> >> > call a
>> >> > number on a gateway, then when the called party picked up, I call an
>> >> > other
>> >> > number on a gateway and bridge the two calls. The only problem is
>> >> > that I
>> >> > have 5 gateways and each can have maximum of 3 calls (so I can have
>> >> > 15
>> >> > calls
>> >> > on this system).
>> >> >
>> >> > Here is what I have at the moment (simplified version):
>> >> >
>> >> > dial_call_1 = "{leg=1}sofia/gateway/gw-1/0035312345678";
>> >> > dial_call_2 = "{leg=2}sofia/gateway/gw-2/0035387654321";
>> >> >
>> >> > session1 = freeswitch.Session(dial_call_1);
>> >> >
>> >> > if (session1:ready()) then
>> >> > session2 = freeswitch.Session(dial_call_2, session1);
>> >> >
>> >> > if (session2:ready()) then
>> >> > freeswitch.bridge(session1, session2);
>> >> >
>> >> > if (session2:ready()) then
>> >> > session2:hangup();
>> >> > end
>> >> > end
>> >> >
>> >> > if (session1:ready()) then session1:hangup(); end
>> >> > end
>> >> >
>> >> > How can I use the limit application here to set the max concurrent
>> >> > calls
>> >> > on
>> >> > my five gateway, each with 3 max calls and distribute outbound calls
>> >> > between
>> >> > them?
>> >> >
>> >> > Many thanks,
>> >> > Zoltan
>> >> >
>> >> >
>> >> >
>> >> > _________________________________________________________________________
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>> >>
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>> >
>> >
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>> >
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>> _________________________________________________________________________
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>>
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>
>
>
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