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Optimization: The only reason we should check member

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status is if the queue has a joinempty or a leavewhenempty
setting which could cause the caller to not join the queue
or exit the queue. Prior to this patch, we could potentially
traverse the entire queue's member list for no reason since
even if the members are currently not available in some way
we're going to let the caller join the queue anyway.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@141906 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2008-09-08 23:00:06 +00:00
parent 0d0c5190fd
commit 4356d794e3
1 changed files with 60 additions and 54 deletions
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114
apps/app_queue.c
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@@ -1695,16 +1695,18 @@ static int join_queue(char *queuename, struct queue_ent *qe, enum queue_result *
ao2_lock(q);
/* This is our one */
status = get_member_status(q, qe->max_penalty, qe->min_penalty);
if (!q->joinempty && (status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINEMPTY;
else if ((q->joinempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS || status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINUNAVAIL;
else if ((q->joinempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINUNAVAIL;
else if (q->maxlen && (q->count >= q->maxlen))
if (q->joinempty != QUEUE_EMPTY_NORMAL) {
status = get_member_status(q, qe->max_penalty, qe->min_penalty);
if (!q->joinempty && (status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINEMPTY;
else if ((q->joinempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS || status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINUNAVAIL;
else if ((q->joinempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_MEMBERS))
*reason = QUEUE_JOINUNAVAIL;
}
if (*reason == QUEUE_UNKNOWN && q->maxlen && (q->count >= q->maxlen))
*reason = QUEUE_FULL;
else {
else if (*reason == QUEUE_UNKNOWN) {
/* There's space for us, put us at the right position inside
* the queue.
* Take into account the priority of the calling user */
@@ -2875,28 +2877,30 @@ static int wait_our_turn(struct queue_ent *qe, int ringing, enum queue_result *r
break;
}
status = get_member_status(qe->parent, qe->max_penalty, qe->min_penalty);
if (qe->parent->leavewhenempty) {
status = get_member_status(qe->parent, qe->max_penalty, qe->min_penalty);
/* leave the queue if no agents, if enabled */
if (qe->parent->leavewhenempty && (status == QUEUE_NO_MEMBERS)) {
*reason = QUEUE_LEAVEEMPTY;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
}
/* leave the queue if no agents, if enabled */
if (status == QUEUE_NO_MEMBERS) {
*reason = QUEUE_LEAVEEMPTY;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
}
/* leave the queue if no reachable agents, if enabled */
if ((qe->parent->leavewhenempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS)) {
*reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
}
if ((qe->parent->leavewhenempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS)) {
*reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
/* leave the queue if no reachable agents, if enabled */
if ((qe->parent->leavewhenempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS)) {
*reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
}
if ((qe->parent->leavewhenempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS)) {
*reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(qe->parent->name, qe->chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe->pos, qe->opos, (long) time(NULL) - qe->start);
leave_queue(qe);
break;
}
}
/* Make a position announcement, if enabled */
@@ -4778,7 +4782,32 @@ check_turns:
goto stop;
}
status = get_member_status(qe.parent, qe.max_penalty, qe.min_penalty);
if (qe.parent->leavewhenempty) {
status = get_member_status(qe.parent, qe.max_penalty, qe.min_penalty);
/* leave the queue if no agents, if enabled */
if (status == QUEUE_NO_MEMBERS) {
record_abandoned(&qe);
reason = QUEUE_LEAVEEMPTY;
ast_queue_log(args.queuename, chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe.pos, qe.opos, (long)(time(NULL) - qe.start));
res = 0;
break;
}
/* leave the queue if no reachable agents, if enabled */
if ((qe.parent->leavewhenempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS)) {
record_abandoned(&qe);
reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(args.queuename, chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe.pos, qe.opos, (long)(time(NULL) - qe.start));
res = 0;
break;
}
if ((qe.parent->leavewhenempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS)) {
record_abandoned(&qe);
reason = QUEUE_LEAVEUNAVAIL;
res = 0;
break;
}
}
/* exit after 'timeout' cycle if 'n' option enabled */
if (noption && tries >= qe.parent->membercount) {
@@ -4790,30 +4819,7 @@ check_turns:
break;
}
/* leave the queue if no agents, if enabled */
if (qe.parent->leavewhenempty && (status == QUEUE_NO_MEMBERS)) {
record_abandoned(&qe);
reason = QUEUE_LEAVEEMPTY;
ast_queue_log(args.queuename, chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe.pos, qe.opos, (long)(time(NULL) - qe.start));
res = 0;
break;
}
/* leave the queue if no reachable agents, if enabled */
if ((qe.parent->leavewhenempty == QUEUE_EMPTY_STRICT) && (status == QUEUE_NO_REACHABLE_MEMBERS || status == QUEUE_NO_UNPAUSED_REACHABLE_MEMBERS)) {
record_abandoned(&qe);
reason = QUEUE_LEAVEUNAVAIL;
ast_queue_log(args.queuename, chan->uniqueid, "NONE", "EXITEMPTY", "%d|%d|%ld", qe.pos, qe.opos, (long)(time(NULL) - qe.start));
res = 0;
break;
}
if ((qe.parent->leavewhenempty == QUEUE_EMPTY_LOOSE) && (status == QUEUE_NO_REACHABLE_MEMBERS)) {
record_abandoned(&qe);
reason = QUEUE_LEAVEUNAVAIL;
res = 0;
break;
}
/* Leave if we have exceeded our queuetimeout */
if (qe.expire && (time(NULL) >= qe.expire)) {
record_abandoned(&qe);