Re: [Freeswitch-users] FS -How to identify the A-leg or B-leg inside the source code

17 Oct 2011

      Hi Avi,

Thanks your valuable info, and i will try later, Thanks.

BR,
Charles

2011/10/16 Avi Marcus <avi@avimarcus.net>
...
Looking at the a_ prefix from mod_xml_cdr.c, it seems like it's this:
...
is_b = channel && switch_channel_get_originator_caller_profile(channel);
Feel free to check freeswitch/src/mod/xml_int/mod_xml_cdr/mod_xml_cdr.c
-Avi
On Sun, Oct 16, 2011 at 5:41 AM, fieldpeak <fieldpeak@gmail.com> wrote:
...
Hi Friends,
i'm using mod_nibblebill for billing on FS, i bundled event processing
fucntions when status change,
e.g. /* on_routing */ check_billing_before_routing,
and * on_hangup */ process_hangup, as below,
however, i found it excuted the processing function on both A-leg and
B-leg, what i want is that either only A-leg or only B-leg (i can
select by coding), how can i realize it?
P.S. is it possible that i identify the Legs (A or B) inside the
processing function (e.g. check_billing_before_routing,) by intput
parameter *sessionsession?
source codes as below,
switch_state_handler_table_t nibble_state_handler = {
       /* on_init */ NULL,
       /* on_routing */ check_billing_before_routing, /* Need to add a
check
here for anything in their account before routing */
       /* on_execute */ sched_billing,         /* Turn on heartbeat for
this
session and do an initial account check */
       /* on_hangup */ process_hangup,         /* On hangup - most
important place
to go bill */
       /* on_exch_media */ NULL,
       /* on_soft_exec */ NULL,
       /* on_consume_med */ NULL,
       /* on_hibernate */ NULL,
       /* on_reset */ NULL,
       /* on_park */ NULL,
       /* on_reporting */ NULL,
       /* on_destroy */ NULL
};
static switch_status_t
check_billing_before_routing(switch_core_session_t *session)
{
       //is it possible to identify the legs (A or B) here?
       ...
}
static switch_status_t process_hangup(switch_core_session_t
*session)
{
       ...
}
BR,
Charles
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-- 
Regards,
Charles