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

[Zoltán Szabó]

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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