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CLEANUP: Remove pendconn_must_try_again().

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Remove pendconn_must_try_again(), now that it no longer is used.
This commit is contained in:
Olivier Houchard 2024-12-20 18:03:00 +00:00 committed by Olivier Houchard
parent cda7275ef5
commit 505480eeef
2 changed files with 0 additions and 63 deletions
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1
include/haproxy/queue.h
View File

@ -38,7 +38,6 @@ int process_srv_queue(struct server *s);
unsigned int srv_dynamic_maxconn(const struct server *s); unsigned int srv_dynamic_maxconn(const struct server *s);
int pendconn_redistribute(struct server *s); int pendconn_redistribute(struct server *s);
void pendconn_unlink(struct pendconn *p); void pendconn_unlink(struct pendconn *p);
int pendconn_must_try_again(struct pendconn *p);
/* Removes the pendconn from the server/proxy queue. It supports being called /* Removes the pendconn from the server/proxy queue. It supports being called
* with NULL for pendconn and with a pendconn not in the list. It is the * with NULL for pendconn and with a pendconn not in the list. It is the

62
src/queue.c
View File

@ -661,68 +661,6 @@ int pendconn_dequeue(struct stream *strm)
return 0; return 0;
} }
/* checks after a successful pendconn_add() if the connection ended up being
* alone with no active connection left to dequeue it. In such a case it will
* simply remove it from the queue, free it and return non-zero to inform the
* caller that it must try to add the connection again, otherwise it returns
* zero, indicating that the connection will be handled normally. The caller
* might have to drop SF_DIRECT and/or SF_ASSIGNED if the conn was on a proxy.
*/
int pendconn_must_try_again(struct pendconn *p)
{
struct queue *q = p->queue;
struct proxy *px = q->px;
struct server *sv = q->sv;
int ret = 0;
if (likely(!HA_ATOMIC_LOAD(&p->node.node.leaf_p)))
goto leave;
/* for a server, we need at least one conn left on this server to
* find ours.
*/
if (likely(sv && HA_ATOMIC_LOAD(&sv->served)))
goto leave;
/* for a backend, we need at least one conn left on any of this
* backend's servers to find ours.
*/
if (likely(!sv && HA_ATOMIC_LOAD(&px->served)))
goto leave;
/* OK the situation is not safe anymore, we need to check if we're
* still in the queue under a lock.
*/
HA_SPIN_LOCK(QUEUE_LOCK, &q->lock);
HA_SPIN_LOCK(QUEUE_LOCK, &p->del_lock);
if (p->node.node.leaf_p) {
eb32_delete(&p->node);
_HA_ATOMIC_DEC(&q->length);
_HA_ATOMIC_INC(&q->idx);
_HA_ATOMIC_DEC(&px->totpend);
ret = 1;
}
HA_SPIN_UNLOCK(QUEUE_LOCK, &p->del_lock);
HA_SPIN_UNLOCK(QUEUE_LOCK, &q->lock);
/* check if the connection was still queued. If not, it means its
* processing has begun so it's safe.
*/
if (!ret)
goto leave;
/* The pendconn is not queued anymore and will not be so we're safe
* to free it.
*/
p->strm->pend_pos = NULL;
pool_free(pool_head_pendconn, p);
leave:
return ret;
}
static enum act_return action_set_priority_class(struct act_rule *rule, struct proxy *px, static enum act_return action_set_priority_class(struct act_rule *rule, struct proxy *px,
struct session *sess, struct stream *s, int flags) struct session *sess, struct stream *s, int flags)
{ {