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/*
* include/proto/proxy.h
* This file defines function prototypes for proxy management.
*
* Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _PROTO_PROXY_H
#define _PROTO_PROXY_H
#include <common/config.h>
#include <common/ticks.h>
#include <common/time.h>
#include <types/applet.h>
#include <types/global.h>
#include <types/proxy.h>
#include <types/listener.h>
#include <proto/freq_ctr.h>
extern struct proxy *proxies_list;
extern struct eb_root used_proxy_id; /* list of proxy IDs in use */
extern unsigned int error_snapshot_id; /* global ID assigned to each error then incremented */
extern struct eb_root proxy_by_name; /* tree of proxies sorted by name */
int start_proxies(int verbose);
struct task *manage_proxy(struct task *t);
void soft_stop(void);
int pause_proxy(struct proxy *p);
int resume_proxy(struct proxy *p);
void stop_proxy(struct proxy *p);
void zombify_proxy(struct proxy *p);
void pause_proxies(void);
void resume_proxies(void);
int stream_set_backend(struct stream *s, struct proxy *be);
const char *proxy_cap_str(int cap);
const char *proxy_mode_str(int mode);
void proxy_store_name(struct proxy *px);
struct proxy *proxy_find_by_id(int id, int cap, int table);
struct proxy *proxy_find_by_name(const char *name, int cap, int table);
struct proxy *proxy_find_best_match(int cap, const char *name, int id, int *diff);
struct server *findserver(const struct proxy *px, const char *name);
int proxy_cfg_ensure_no_http(struct proxy *curproxy);
void init_new_proxy(struct proxy *p);
int get_backend_server(const char *bk_name, const char *sv_name,
struct proxy **bk, struct server **sv);
struct proxy *cli_find_frontend(struct appctx *appctx, const char *arg);
struct proxy *cli_find_frontend(struct appctx *appctx, const char *arg);
/*
* This function returns a string containing the type of the proxy in a format
* suitable for error messages, from its capabilities.
*/
static inline const char *proxy_type_str(struct proxy *proxy)
{
return proxy_cap_str(proxy->cap);
}
/* Find the frontend having name <name>. The name may also start with a '#' to
* reference a numeric id. NULL is returned if not found.
*/
static inline struct proxy *proxy_fe_by_name(const char *name)
{
return proxy_find_by_name(name, PR_CAP_FE, 0);
}
/* Find the backend having name <name>. The name may also start with a '#' to
* reference a numeric id. NULL is returned if not found.
*/
static inline struct proxy *proxy_be_by_name(const char *name)
{
return proxy_find_by_name(name, PR_CAP_BE, 0);
}
/* Find the table having name <name>. The name may also start with a '#' to
* reference a numeric id. NULL is returned if not found.
*/
static inline struct proxy *proxy_tbl_by_name(const char *name)
{
return proxy_find_by_name(name, 0, 1);
}
/* this function initializes all timeouts for proxy p */
static inline void proxy_reset_timeouts(struct proxy *proxy)
{
proxy->timeout.client = TICK_ETERNITY;
proxy->timeout.tarpit = TICK_ETERNITY;
proxy->timeout.queue = TICK_ETERNITY;
proxy->timeout.connect = TICK_ETERNITY;
proxy->timeout.server = TICK_ETERNITY;
proxy->timeout.httpreq = TICK_ETERNITY;
proxy->timeout.check = TICK_ETERNITY;
proxy->timeout.tunnel = TICK_ETERNITY;
}
/* increase the number of cumulated connections received on the designated frontend */
static void inline proxy_inc_fe_conn_ctr(struct listener *l, struct proxy *fe)
{
HA_ATOMIC_ADD(&fe->fe_counters.cum_conn, 1);
if (l->counters)
HA_ATOMIC_ADD(&l->counters->cum_conn, 1);
HA_ATOMIC_UPDATE_MAX(&fe->fe_counters.cps_max,
update_freq_ctr(&fe->fe_conn_per_sec, 1));
}
/* increase the number of cumulated connections accepted by the designated frontend */
static void inline proxy_inc_fe_sess_ctr(struct listener *l, struct proxy *fe)
{
HA_ATOMIC_ADD(&fe->fe_counters.cum_sess, 1);
if (l->counters)
HA_ATOMIC_ADD(&l->counters->cum_sess, 1);
HA_ATOMIC_UPDATE_MAX(&fe->fe_counters.sps_max,
update_freq_ctr(&fe->fe_sess_per_sec, 1));
}
/* increase the number of cumulated connections on the designated backend */
static void inline proxy_inc_be_ctr(struct proxy *be)
{
HA_ATOMIC_ADD(&be->be_counters.cum_conn, 1);
HA_ATOMIC_UPDATE_MAX(&be->be_counters.sps_max,
update_freq_ctr(&be->be_sess_per_sec, 1));
}
/* increase the number of cumulated requests on the designated frontend */
static void inline proxy_inc_fe_req_ctr(struct proxy *fe)
{
HA_ATOMIC_ADD(&fe->fe_counters.p.http.cum_req, 1);
HA_ATOMIC_UPDATE_MAX(&fe->fe_counters.p.http.rps_max,
update_freq_ctr(&fe->fe_req_per_sec, 1));
}
#endif /* _PROTO_PROXY_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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