diff options
Diffstat (limited to 'include/haproxy/cfgparse.h')
| -rw-r--r-- | include/haproxy/cfgparse.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/include/haproxy/cfgparse.h b/include/haproxy/cfgparse.h new file mode 100644 index 0000000..adcabb3 --- /dev/null +++ b/include/haproxy/cfgparse.h @@ -0,0 +1,149 @@ +/* + * include/haproxy/cfgparse.h + * Configuration parsing functions. + * + * Copyright (C) 2000-2020 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 _HAPROXY_CFGPARSE_H +#define _HAPROXY_CFGPARSE_H + +#include <haproxy/api.h> + +struct hap_cpuset; +struct proxy; +struct bind_conf; +struct acl_cond; + +/* configuration sections */ +#define CFG_NONE 0 +#define CFG_GLOBAL 1 +#define CFG_LISTEN 2 +#define CFG_USERLIST 3 +#define CFG_PEERS 4 +#define CFG_CRTLIST 5 + +/* various keyword modifiers */ +enum kw_mod { + KWM_STD = 0, /* normal */ + KWM_NO, /* "no" prefixed before the keyword */ + KWM_DEF, /* "default" prefixed before the keyword */ +}; + +enum cfg_keyword_flags { + KWF_EXPERIMENTAL = 0x1, + KWF_MATCH_PREFIX = 0x2, +}; + +struct cfg_keyword { + int section; /* section type for this keyword */ + const char *kw; /* the keyword itself */ + int (*parse)( /* 0=OK, <0=Alert, >0=Warning */ + char **args, /* command line and arguments */ + int section_type, /* current section CFG_{GLOBAL|LISTEN} */ + struct proxy *curpx, /* current proxy (NULL in GLOBAL) */ + const struct proxy *defpx, /* default proxy (NULL in GLOBAL) */ + const char *file, /* config file name */ + int line, /* config file line number */ + char **err); /* error or warning message output pointer */ + int flags; +}; + +/* A keyword list. It is a NULL-terminated array of keywords. It embeds a + * struct list in order to be linked to other lists, allowing it to easily + * be declared where it is needed, and linked without duplicating data nor + * allocating memory. + */ +struct cfg_kw_list { + struct list list; + struct cfg_keyword kw[VAR_ARRAY]; +}; + +/* permit to store configuration section */ +struct cfg_section { + struct list list; + char *section_name; + int (*section_parser)(const char *, int, char **, int); + int (*post_section_parser)(); +}; + +/* store post configuration parsing */ + +struct cfg_postparser { + struct list list; + char *name; + int (*func)(); +}; + +extern struct list postparsers; +extern int cfg_maxpconn; +extern int cfg_maxconn; +extern char *cfg_scope; +extern struct cfg_kw_list cfg_keywords; +extern char *cursection; +extern int non_global_section_parsed; + +extern struct proxy *curproxy; + +int cfg_parse_global(const char *file, int linenum, char **args, int inv); +int cfg_parse_listen(const char *file, int linenum, char **args, int inv); +int cfg_parse_track_sc_num(unsigned int *track_sc_num, + const char *arg, const char *end, char **err); +int readcfgfile(const char *file); +void cfg_register_keywords(struct cfg_kw_list *kwl); +void cfg_unregister_keywords(struct cfg_kw_list *kwl); +int check_config_validity(void); +int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err); +int str2receiver(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err); +int cfg_register_section(char *section_name, + int (*section_parser)(const char *, int, char **, int), + int (*post_section_parser)()); +int cfg_register_postparser(char *name, int (*func)()); +void cfg_unregister_sections(void); +void cfg_backup_sections(struct list *backup_sections); +void cfg_restore_sections(struct list *backup_sections); +int warnif_misplaced_tcp_conn(struct proxy *proxy, const char *file, int line, const char *arg); +int warnif_misplaced_tcp_sess(struct proxy *proxy, const char *file, int line, const char *arg); +int warnif_misplaced_tcp_cont(struct proxy *proxy, const char *file, int line, const char *arg); +int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line); +int warnif_tcp_http_cond(const struct proxy *px, const struct acl_cond *cond); +int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code); +int too_many_args(int maxarg, char **args, char **msg, int *err_code); +int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code); +int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code); +int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err); +void free_email_alert(struct proxy *p); +const char *cfg_find_best_match(const char *word, const struct list *list, int section, const char **extra); +int warnifnotcap(struct proxy *proxy, int cap, const char *file, int line, const char *arg, const char *hint); +int failifnotcap(struct proxy *proxy, int cap, const char *file, int line, const char *arg, const char *hint); +void cfg_dump_registered_keywords(); + +/* simplified way to define a section parser */ +#define REGISTER_CONFIG_SECTION(name, parse, post) \ + INITCALL3(STG_REGISTER, cfg_register_section, (name), (parse), (post)) + +#define REGISTER_CONFIG_POSTPARSER(name, parser) \ + INITCALL2(STG_REGISTER, cfg_register_postparser, (name), (parser)) + +#endif /* _HAPROXY_CFGPARSE_H */ + +/* + * Local variables: + * c-indent-level: 8 + * c-basic-offset: 8 + * End: + */ |