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app_queue: Fix duplicate queue_log entries for EXITEMPTY and ABANDON 

There are 2 places in app_queue.c that log EXITEMPTY event: one in
wait_our_turn, and another one in queue_exec in the loop trying to
call an agent after wait_our_turn.

In most cases it leads to logging EXITEMPTY twice.

ABANDON is also logged on two places, and in the rare case when an agent
and caller hang up simultaneously it's also possible to get duplicates
in queue_log.

This commit changes wait_our_turn to return -1 ("the caller should exit
the queue") instead of 0 ("the caller's turn has arrived") in case of
leaving when empty, so queue_exec skips the agent calling loop.

Also, leave_queue is now executed only once in this case, because 2nd
time is just a noop when the queue entry has already been removed.

Also, it sets qe->handled to -1 to indicate that the call was not
answered by an agent, but the necessary handling has already been done
in order to avoid logging an extra ABANDON entry.

ASTERISK-25665 #close
Reported by: Ove Aursand

Change-Id: I4578dd383bf2ac41589cf167865e8aaebcd4c11e
This commit is contained in:
Ivan Poddubny 2017-05-11 07:25:44 +02:00
parent 1a1c86239d
commit 045dbcc2d6
1 changed files with 3 additions and 1 deletions
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4
apps/app_queue.c
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@ -5465,7 +5465,8 @@ static int wait_our_turn(struct queue_ent *qe, int ringing, enum queue_result *r
if ((status = get_member_status(qe->parent, qe->max_penalty, qe->min_penalty, qe->parent->leavewhenempty, 0))) {
*reason = QUEUE_LEAVEEMPTY;
ast_queue_log(qe->parent->name, ast_channel_uniqueid(qe->chan), "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) (time(NULL) - qe->start));
leave_queue(qe);
res = -1;
qe->handled = -1;
break;
}
}
@ -6803,6 +6804,7 @@ static int try_calling(struct queue_ent *qe, struct ast_flags opts, char **opt_a
ast_log(LOG_NOTICE, "Caller was about to talk to agent on %s but the caller hungup.\n", ast_channel_name(peer));
ast_queue_log(queuename, ast_channel_uniqueid(qe->chan), member->membername, "ABANDON", "%d|%d|%ld", qe->pos, qe->opos, (long) (time(NULL) - qe->start));
record_abandoned(qe);
qe->handled = -1;
ast_channel_publish_dial(qe->chan, peer, member->interface, ast_hangup_cause_to_dial_status(ast_channel_hangupcause(peer)));
ast_autoservice_chan_hangup_peer(qe->chan, peer);
ao2_ref(member, -1);