include/types/global.h

/*
  include/types/global.h
  Global variables.

  Copyright (C) 2000-2007 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 _TYPES_GLOBAL_H
#define _TYPES_GLOBAL_H

#include <netinet/in.h>

#include <common/config.h>
#include <types/log.h>
#include <types/protocols.h>
#include <types/proxy.h>
#include <types/task.h>

/* modes of operation (global.mode) */
#define	MODE_DEBUG	0x01
#define	MODE_DAEMON	0x02
#define	MODE_QUIET	0x04
#define	MODE_CHECK	0x08
#define	MODE_VERBOSE	0x10
#define	MODE_STARTING	0x20
#define	MODE_FOREGROUND	0x40

/* list of last checks to perform, depending on config options */
#define LSTCHK_CAP_BIND	0x00000001	/* check that we can bind to any port */
#define LSTCHK_CTTPROXY	0x00000002	/* check that tproxy is enabled */
#define LSTCHK_NETADM	0x00000004	/* check that we have CAP_NET_ADMIN */

/* Global tuning options */
/* available polling mechanisms */
#define GTUNE_USE_SELECT         (1<<0)
#define GTUNE_USE_POLL           (1<<1)
#define GTUNE_USE_EPOLL          (1<<2)
#define GTUNE_USE_KQUEUE         (1<<3)
#define GTUNE_USE_SEPOLL         (1<<4)
/* platform-specific options */
#define GTUNE_USE_SPLICE         (1<<5)

/* Access level for a stats socket */
#define ACCESS_LVL_NONE     0
#define ACCESS_LVL_USER     1
#define ACCESS_LVL_OPER     2
#define ACCESS_LVL_ADMIN    3

/* FIXME : this will have to be redefined correctly */
struct global {
	int uid;
	int gid;
	int nbproc;
	int maxconn;
	int maxpipes;		/* max # of pipes */
	int maxsock;		/* max # of sockets */
	int rlimit_nofile;	/* default ulimit-n value : 0=unset */
	int rlimit_memmax;	/* default ulimit-d in megs value : 0=unset */
	int mode;
	int last_checks;
	int spread_checks;
	char *chroot;
	char *pidfile;
	char *node, *desc;		/* node name & description */
	int logfac1, logfac2;
	int loglev1, loglev2;
	int minlvl1, minlvl2;
	struct logsrv logsrv1, logsrv2;
	struct {
		int maxpollevents; /* max number of poll events at once */
		int maxaccept;     /* max number of consecutive accept() */
		int options;       /* various tuning options */
		int recv_enough;   /* how many input bytes at once are "enough" */
		int bufsize;       /* buffer size in bytes, defaults to BUFSIZE */
		int maxrewrite;    /* buffer max rewrite size in bytes, defaults to MAXREWRITE */
		int client_sndbuf; /* set client sndbuf to this value if not null */
		int client_rcvbuf; /* set client rcvbuf to this value if not null */
		int server_sndbuf; /* set server sndbuf to this value if not null */
		int server_rcvbuf; /* set server rcvbuf to this value if not null */
	} tune;
	struct listener stats_sock; /* unix socket listener for statistics */
	struct proxy *stats_fe;     /* the frontend holding the stats settings */
};

extern struct global global;
extern char *progname;          /* program name */
extern int  pid;                /* current process id */
extern int  relative_pid;       /* process id starting at 1 */
extern int  actconn;            /* # of active sessions */
extern int listeners;
extern char trash[BUFSIZE];
extern const int zero;
extern const int one;
extern const struct linger nolinger;
extern int stopping;	/* non zero means stopping in progress */
extern char hostname[MAX_HOSTNAME_LEN];

#endif /* _TYPES_GLOBAL_H */

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