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156 lines
5.9 KiB
156 lines
5.9 KiB
/*
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* include/haproxy/global.h
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* Exported global variables and functions.
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*
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* Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu
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*
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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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*
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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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*
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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 _HAPROXY_GLOBAL_H
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#define _HAPROXY_GLOBAL_H
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#include <haproxy/api-t.h>
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#include <haproxy/global-t.h>
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#include <haproxy/mworker-t.h>
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#include <haproxy/vars-t.h>
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extern struct global global;
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extern int pid; /* current process id */
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extern int relative_pid; /* process id starting at 1 */
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extern unsigned long pid_bit; /* bit corresponding to the process id */
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extern unsigned long all_proc_mask; /* mask of all processes */
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extern int actconn; /* # of active sessions */
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extern int listeners;
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extern int jobs; /* # of active jobs (listeners, sessions, open devices) */
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extern int unstoppable_jobs; /* # of active jobs that can't be stopped during a soft stop */
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extern int active_peers; /* # of active peers (connection attempts and successes) */
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extern int connected_peers; /* # of really connected peers */
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extern int nb_oldpids; /* contains the number of old pids found */
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extern const int zero;
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extern const int one;
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extern const struct linger nolinger;
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extern int stopping; /* non zero means stopping in progress */
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extern int killed; /* >0 means a hard-stop is triggered, >1 means hard-stop immediately */
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extern char hostname[MAX_HOSTNAME_LEN];
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extern char *localpeer;
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extern unsigned int warned; /* bitfield of a few warnings to emit just once */
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extern volatile unsigned long sleeping_thread_mask;
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extern struct list proc_list; /* list of process in mworker mode */
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extern struct mworker_proc *proc_self; /* process structure of current process */
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extern int master; /* 1 if in master, 0 otherwise */
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extern unsigned int rlim_fd_cur_at_boot;
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extern unsigned int rlim_fd_max_at_boot;
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extern int atexit_flag;
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extern unsigned char boot_seed[20]; // per-boot random seed (160 bits initially)
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extern THREAD_LOCAL struct buffer trash;
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struct proxy;
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struct server;
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int main(int argc, char **argv);
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void deinit(void);
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__attribute__((noreturn)) void deinit_and_exit(int);
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void run_poll_loop(void);
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int tell_old_pids(int sig);
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int delete_oldpid(int pid);
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void hap_register_build_opts(const char *str, int must_free);
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void hap_register_post_check(int (*fct)());
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void hap_register_post_proxy_check(int (*fct)(struct proxy *));
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void hap_register_post_server_check(int (*fct)(struct server *));
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void hap_register_post_deinit(void (*fct)());
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void hap_register_proxy_deinit(void (*fct)(struct proxy *));
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void hap_register_server_deinit(void (*fct)(struct server *));
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void hap_register_per_thread_alloc(int (*fct)());
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void hap_register_per_thread_init(int (*fct)());
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void hap_register_per_thread_deinit(void (*fct)());
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void hap_register_per_thread_free(void (*fct)());
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void mworker_accept_wrapper(int fd);
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void mworker_reload();
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/* to be used with warned and WARN_* */
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static inline int already_warned(unsigned int warning)
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{
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if (warned & warning)
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return 1;
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warned |= warning;
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return 0;
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}
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/* returns a mask if set, otherwise all_proc_mask */
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static inline unsigned long proc_mask(unsigned long mask)
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{
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return mask ? mask : all_proc_mask;
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}
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/* returns a mask if set, otherwise all_threads_mask */
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static inline unsigned long thread_mask(unsigned long mask)
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{
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return mask ? mask : all_threads_mask;
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}
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/* simplified way to declare static build options in a file */
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#define REGISTER_BUILD_OPTS(str) \
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INITCALL2(STG_REGISTER, hap_register_build_opts, (str), 0)
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/* simplified way to declare a post-check callback in a file */
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#define REGISTER_POST_CHECK(fct) \
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INITCALL1(STG_REGISTER, hap_register_post_check, (fct))
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/* simplified way to declare a post-proxy-check callback in a file */
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#define REGISTER_POST_PROXY_CHECK(fct) \
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INITCALL1(STG_REGISTER, hap_register_post_proxy_check, (fct))
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/* simplified way to declare a post-server-check callback in a file */
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#define REGISTER_POST_SERVER_CHECK(fct) \
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INITCALL1(STG_REGISTER, hap_register_post_server_check, (fct))
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/* simplified way to declare a post-deinit callback in a file */
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#define REGISTER_POST_DEINIT(fct) \
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INITCALL1(STG_REGISTER, hap_register_post_deinit, (fct))
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/* simplified way to declare a proxy-deinit callback in a file */
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#define REGISTER_PROXY_DEINIT(fct) \
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INITCALL1(STG_REGISTER, hap_register_proxy_deinit, (fct))
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/* simplified way to declare a proxy-deinit callback in a file */
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#define REGISTER_SERVER_DEINIT(fct) \
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INITCALL1(STG_REGISTER, hap_register_server_deinit, (fct))
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/* simplified way to declare a per-thread allocation callback in a file */
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#define REGISTER_PER_THREAD_ALLOC(fct) \
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INITCALL1(STG_REGISTER, hap_register_per_thread_alloc, (fct))
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/* simplified way to declare a per-thread init callback in a file */
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#define REGISTER_PER_THREAD_INIT(fct) \
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INITCALL1(STG_REGISTER, hap_register_per_thread_init, (fct))
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/* simplified way to declare a per-thread deinit callback in a file */
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#define REGISTER_PER_THREAD_DEINIT(fct) \
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INITCALL1(STG_REGISTER, hap_register_per_thread_deinit, (fct))
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/* simplified way to declare a per-thread free callback in a file */
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#define REGISTER_PER_THREAD_FREE(fct) \
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INITCALL1(STG_REGISTER, hap_register_per_thread_free, (fct))
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#endif /* _HAPROXY_GLOBAL_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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