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ftmod_libpri: Possible fix for call tear-down problems (+ locking cleanup)

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Remove pri_destroycall() in on_hangup() and
use pri_hangup() instead of the deprecated pri_release().

NOTE: The original patch used PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION for the cause
      code, which (without pri_enable_hangup_fix() enabled) emits a RELEASE COMPLETE
      message. This version of the patch uses PRI_CAUSE_NORMAL_CLEARING (-1). (stkn)

Additionally, use ftdm_set_state() instead of ftdm_set_state_locked() because the channel
is already locked. (stkn)

Completely-untested-by: Stefan Knoblich <stkn@openisdn.net>
This commit is contained in:
Markus Mueller 2011-04-30 18:01:38 +02:00 committed by Stefan Knoblich
parent 1447aec426
commit 6196a4199e
1 changed files with 2 additions and 15 deletions
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17
libs/freetdm/src/ftmod/ftmod_libpri/ftmod_libpri.c
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@ -854,7 +854,6 @@ static int on_hangup(lpwrap_pri_t *spri, lpwrap_pri_event_t event_type, pri_even
{
ftdm_span_t *span = spri->span;
ftdm_channel_t *chan = ftdm_span_get_channel(span, pevent->hangup.channel);
/* q931_call *call = NULL; */
if (!chan) {
ftdm_log(FTDM_LOG_CRIT, "-- Hangup on channel %d:%d %s but it's not in use?\n", ftdm_span_get_id(spri->span), pevent->hangup.channel);
@ -868,25 +867,13 @@ static int on_hangup(lpwrap_pri_t *spri, lpwrap_pri_event_t event_type, pri_even
goto done;
}
/*
* Make sure we can really tear-down a call, simply ignore the missing call_data and
* use the call handle from the event
*
if (!chan->call_data) {
ftdm_log_chan(chan, FTDM_LOG_DEBUG, "Ignoring remote hangup in state %s with no call data\n", ftdm_channel_get_state_str(chan));
goto done;
}
call = (q931_call *)chan->call_data;
*/
ftdm_log(FTDM_LOG_DEBUG, "-- Hangup on channel %d:%d\n", ftdm_span_get_id(spri->span), pevent->hangup.channel);
pri_release(spri->pri, pevent->hangup.call, 0);
pri_destroycall(spri->pri, pevent->hangup.call);
pri_hangup(spri->pri, pevent->hangup.call, -1);
chan->caller_data.hangup_cause = pevent->hangup.cause;
chan->call_data = NULL;
ftdm_set_state_locked(chan, FTDM_CHANNEL_STATE_TERMINATING);
ftdm_set_state(chan, FTDM_CHANNEL_STATE_TERMINATING);
done:
ftdm_channel_unlock(chan);
return 0;