/*
  include/proto/proxy.h
  This file defines function prototypes for proxy management.

  Copyright (C) 2000-2008 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/proxy.h>
#include <proto/freq_ctr.h>

int start_proxies(int verbose);
void maintain_proxies(int *next);
void soft_stop(void);
void pause_proxy(struct proxy *p);
void stop_proxy(struct proxy *p);
void pause_proxies(void);
void listen_proxies(void);
int  session_set_backend(struct session *s, struct proxy *be);

const char *proxy_cap_str(int cap);
const char *proxy_mode_str(int mode);
struct proxy *findproxy(const char *name, int mode, int cap);
struct server *findserver(const struct proxy *px, const char *name);
int proxy_cfg_ensure_no_http(struct proxy *curproxy);

/*
 * 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);
}

/* 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.appsession = TICK_ETERNITY;
	proxy->timeout.httpreq = TICK_ETERNITY;
	proxy->timeout.check = TICK_ETERNITY;
}

/* increase the number of cumulated connections on the designated frontend */
static void inline proxy_inc_fe_ctr(struct proxy *fe)
{
	fe->cum_feconn++;
	update_freq_ctr(&fe->fe_sess_per_sec, 1);
	if (fe->fe_sess_per_sec.curr_ctr > fe->fe_sps_max)
		fe->fe_sps_max = fe->fe_sess_per_sec.curr_ctr;
}

/* increase the number of cumulated connections on the designated backend */
static void inline proxy_inc_be_ctr(struct proxy *be)
{
	be->cum_beconn++;
	update_freq_ctr(&be->be_sess_per_sec, 1);
	if (be->be_sess_per_sec.curr_ctr > be->be_sps_max)
		be->be_sps_max = be->be_sess_per_sec.curr_ctr;
}

#endif /* _PROTO_PROXY_H */

/*
 * Local variables:
 *  c-indent-level: 8
 *  c-basic-offset: 8
 * End:
 */