80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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include/proto/queue.h
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This file defines everything related to queues.
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Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, version 2.1
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exclusively.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_QUEUE_H
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#define _PROTO_QUEUE_H
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#include <common/config.h>
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#include <common/memory.h>
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#include <common/mini-clist.h>
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#include <types/proxy.h>
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#include <types/queue.h>
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#include <types/session.h>
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#include <types/server.h>
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#include <types/task.h>
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struct session *pendconn_get_next_sess(struct server *srv, struct proxy *px);
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struct pendconn *pendconn_add(struct session *sess);
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void pendconn_free(struct pendconn *p);
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int process_srv_queue(struct task *t);
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unsigned int srv_dynamic_maxconn(const struct server *s);
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/* Returns the first pending connection for server <s>, which may be NULL if
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* nothing is pending.
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*/
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static inline struct pendconn *pendconn_from_srv(const struct server *s) {
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if (!s->nbpend)
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return NULL;
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return LIST_ELEM(s->pendconns.n, struct pendconn *, list);
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}
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/* Returns the first pending connection for proxy <px>, which may be NULL if
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* nothing is pending.
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*/
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static inline struct pendconn *pendconn_from_px(const struct proxy *px) {
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if (!px->nbpend)
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return NULL;
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return LIST_ELEM(px->pendconns.n, struct pendconn *, list);
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}
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/* returns 0 if nothing has to be done for server <s> regarding queued connections,
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* and non-zero otherwise. Suited for and if/else usage.
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*/
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static inline int may_dequeue_tasks(const struct server *s, const struct proxy *p) {
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return (s && (s->nbpend || p->nbpend) &&
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(!s->maxconn || s->cur_sess < srv_dynamic_maxconn(s)) &&
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s->queue_mgt);
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}
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#endif /* _PROTO_QUEUE_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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