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/*
* include/types/global.h
* Global variables.
*
* Copyright (C) 2000-2012 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/freq_ctr.h>
#include <types/listener.h>
#include <types/proxy.h>
#include <types/task.h>
#ifndef UNIX_MAX_PATH
#define UNIX_MAX_PATH 108
#endif
/* 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
#define MODE_SYSTEMD 0x80
/* 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)
/* platform-specific options */
#define GTUNE_USE_SPLICE (1<<4)
#define GTUNE_USE_GAI (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
/* SSL server verify mode */
enum {
SSL_SERVER_VERIFY_NONE = 0,
SSL_SERVER_VERIFY_REQUIRED = 1,
};
/* FIXME : this will have to be redefined correctly */
struct global {
#ifdef USE_OPENSSL
char *crt_base; /* base directory path for certificates */
char *ca_base; /* base directory path for CAs and CRLs */
#endif
int uid;
int gid;
int nbproc;
int maxconn, hardmaxconn;
#ifdef USE_OPENSSL
int maxsslconn;
char *listen_default_ciphers;
char *connect_default_ciphers;
#endif
unsigned int ssl_server_verify; /* default verify mode on servers side */
struct freq_ctr conn_per_sec;
struct freq_ctr sess_per_sec;
struct freq_ctr ssl_per_sec;
struct freq_ctr ssl_fe_keys_per_sec;
struct freq_ctr ssl_be_keys_per_sec;
struct freq_ctr comp_bps_in; /* bytes per second, before http compression */
struct freq_ctr comp_bps_out; /* bytes per second, after http compression */
int cps_lim, cps_max;
int sps_lim, sps_max;
int ssl_lim, ssl_max;
int ssl_fe_keys_max, ssl_be_keys_max;
unsigned int shctx_lookups, shctx_misses;
int comp_rate_lim; /* HTTP compression rate limit */
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 */
long maxzlibmem; /* max RAM for zlib in bytes */
int mode;
unsigned int req_count; /* request counter (HTTP or TCP session) for logs and unique_id */
int last_checks;
int spread_checks;
int max_spread_checks;
char *chroot;
char *pidfile;
char *node, *desc; /* node name & description */
char *log_tag; /* name for syslog */
struct list logsrvs;
char *log_send_hostname; /* set hostname in syslog header */
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 */
int chksize; /* check buffer size in bytes, defaults to BUFSIZE */
int pipesize; /* pipe size in bytes, system defaults if zero */
int max_http_hdr; /* max number of HTTP headers, use MAX_HTTP_HDR if zero */
int cookie_len; /* max length of cookie captures */
#ifdef USE_OPENSSL
int sslcachesize; /* SSL cache size in session, defaults to 20000 */
int sslprivatecache; /* Force to use a private session cache even if nbproc > 1 */
unsigned int ssllifetime; /* SSL session lifetime in seconds */
unsigned int ssl_max_record; /* SSL max record size */
#endif
#ifdef USE_ZLIB
int zlibmemlevel; /* zlib memlevel */
int zlibwindowsize; /* zlib window size */
#endif
int comp_maxlevel; /* max HTTP compression level */
unsigned short idle_timer; /* how long before an empty buffer is considered idle (ms) */
} tune;
struct {
char *prefix; /* path prefix of unix bind socket */
struct { /* UNIX socket permissions */
uid_t uid; /* -1 to leave unchanged */
gid_t gid; /* -1 to leave unchanged */
mode_t mode; /* 0 to leave unchanged */
} ux;
} unix_bind;
#ifdef USE_CPU_AFFINITY
unsigned long cpu_map[LONGBITS]; /* list of CPU masks for the 32/64 first processes */
#endif
struct proxy *stats_fe; /* the frontend holding the stats settings */
};
extern struct global global;
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 int jobs; /* # of active jobs */
extern struct chunk trash;
extern char *swap_buffer;
extern int nb_oldpids; /* contains the number of old pids found */
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];
extern char localpeer[MAX_HOSTNAME_LEN];
extern struct list global_listener_queue; /* list of the temporarily limited listeners */
extern struct task *global_listener_queue_task;
extern unsigned int warned; /* bitfield of a few warnings to emit just once */
/* bit values to go with "warned" above */
#define WARN_BLOCK_DEPRECATED 0x00000001
#define WARN_REQSETBE_DEPRECATED 0x00000002
#define WARN_REDISPATCH_DEPRECATED 0x00000004
#define WARN_CLITO_DEPRECATED 0x00000008
#define WARN_SRVTO_DEPRECATED 0x00000010
#define WARN_CONTO_DEPRECATED 0x00000020
/* to be used with warned and WARN_* */
static inline int already_warned(unsigned int warning)
{
if (warned & warning)
return 1;
warned |= warning;
return 0;
}
#endif /* _TYPES_GLOBAL_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/