/*-
 * Copyright (c) 2003 Andrey Simonenko
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *  @(#)$Id: confcommon.h,v 1.1.4.3 2007/05/11 16:29:59 simon Exp $
 */

#ifndef IPA_CONFCOMMON_H
#define IPA_CONFCOMMON_H

#ifndef SYM_PREFIX
# if defined (__GNUC__) && !defined(__ELF__)
#  define SYM_PREFIX "_"
# endif
#endif

#ifndef CONF_INDENT
# define CONF_INDENT	4
#endif

struct get_arg_tbl {
	void	*argp;
	int	(*get_arg)(void *);
	regex_t	*reg;
};

#ifndef CONF_SECT_BUCKETS
# define CONF_SECT_BUCKETS	32	/* Must be power of 2. */
#endif

struct conf_sect_hentry {
	SLIST_ENTRY(conf_sect_hentry) link;
	u_int		hash_value;	/* Hashed value of sect_name. */
	const char	*sect_name;	/* The same as sect_name in ipa_conf_sect{}. */
	u_int		idx;		/* Index of section description in sections table. */
};

SLIST_HEAD(conf_sect_hash, conf_sect_hentry);

#ifndef CONF_PARAM_BUCKETS
# define CONF_PARAM_BUCKETS	64	/* Must be power of 2. */
#endif

struct conf_param_hentry {
	SLIST_ENTRY(conf_param_hentry) link;
	u_int		hash_value;	/* Hashed value of param_name. */
	const char	*param_name;	/* The same as param_name in ipa_conf_param{}. */
	u_int		idx;		/* Index of parameter description in parameters table. */
};

SLIST_HEAD(conf_param_hash, conf_param_hentry);

#define CONF_SECT_HENTRY_NSIZE	32
#define CONF_SECT_HENTRY_NALLOC	16

#define CONF_PARAM_HENTRY_NSIZE	64
#define CONF_PARAM_HENTRY_NALLOC 32

#define MONTHES_IN_YEAR		12
#define HOURS_IN_DAY		24
#define DAYS_IN_WEEK		7

#define SECONDS_IN_MINUTE	(60)
#define MINUTES_IN_HOUR		(60)
#define SECONDS_IN_HOUR		(MINUTES_IN_HOUR * SECONDS_IN_MINUTE)
#define SECONDS_IN_DAY		(HOURS_IN_DAY * SECONDS_IN_HOUR)
#define SECONDS_IN_WEEK		(DAYS_IN_WEEK * SECONDS_IN_DAY)

#define KBYTE			UINT64_C(1024)
#define MBYTE			(UINT64_C(1024) * KBYTE)
#define GBYTE			(UINT64_C(1024) * MBYTE)
#define TBYTE			(UINT64_C(1024) * GBYTE)

#define PAT_TIME		"^([[:digit:]]+[smh] ?)+$"
#define PAT_BYTES		"^([[:digit:]]+[BKMGT] ?)+$"

extern const char *const conf_event_msg[];

extern regex_t reg_time;
extern regex_t reg_bytes;

extern const struct get_arg_tbl get_arg_tbl[];

#define RE_ERRBUF_SIZ 100
extern int	re_errcode;
extern char	re_errbuf[RE_ERRBUF_SIZ];
extern void	re_form_errbuf(void);

extern const char *curmodfile;
extern const char *curparam;
extern const char *cursect;

extern void	logconferr(const char *, ...) ATTR_FORMAT(printf, 1, 2);
extern void	logconferrx(const char *, ...) ATTR_FORMAT(printf, 1, 2);

extern void	mod_logconferr(const char *, int, const char *, va_list);

extern void	mod_conf_regfree(ipa_conf_param *, ipa_conf_sect *);
extern int	mod_conf_regcomp(const char *, ipa_conf_param *, ipa_conf_sect *);

extern int	strto_uint32(uint32_t *, const char *, char **);
extern int	strto_u_int(u_int *, const char *, char **);

extern int	get_arg_uint64(void *);
extern int	get_arg_time(void *);
extern int	get_arg_bytes(void *);
extern int	get_arg_per_cent(void *);

extern int	need_nl;
extern int	was_space;
extern int	conf_indent;
extern int	mod_indent;

extern void	set_indent(int);

extern void	print_space(void);
extern void	print_time(const uint64_t *);
extern void	print_value(const uint64_t *, u_int);
extern void	print_boolean(int);
extern void	print_bytes(const uint64_t *);
extern void	print_string(const char *);

extern void	print_param_name(const char *, const char *);
extern void	print_args(const char *, va_list);
extern void	print_eol(void);
extern void	print_nl(void);
extern void	print_param_end(void);
extern void	print_sect_name(const char *, const char *);
extern void	print_sect_begin(void);
extern void	print_sect_end(void);

extern void	*conf_sect_hentry_mzone;
extern void	*conf_param_hentry_mzone;

extern int	init_conf_tbls(const char *, int, ipa_conf_sect *, struct conf_sect_hash **, ipa_conf_param *, struct conf_param_hash **);
extern void	deinit_conf_tbls(int, ipa_conf_sect *, struct conf_sect_hash *, ipa_conf_param *, struct conf_param_hash *);

extern const ipa_conf_sect *find_conf_sect(const ipa_conf_sect *, const struct conf_sect_hash *, const char *);
extern const ipa_conf_param *find_conf_param(const ipa_conf_param *, const struct conf_param_hash *, const char *);

extern int	build_conf_regexp(void);

extern void	*dl_lookup_sym(dl_handle, const char *);

#endif /* !IPA_CONFCOMMON_H */