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/* $OpenBSD: ometric.h,v 1.2 2023/01/06 13:22:00 deraadt Exp $ */
/*
* Copyright (c) 2022 Claudio Jeker <claudio@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
enum ometric_type {
OMT_UNKNOWN,
OMT_GAUGE,
OMT_COUNTER,
OMT_STATESET,
OMT_HISTOGRAM,
OMT_SUMMARY,
OMT_INFO,
};
struct ometric;
struct olabels;
struct ometric *ometric_new(enum ometric_type, const char *, const char *);
struct ometric *ometric_new_state(const char * const *, size_t, const char *,
const char *);
void ometric_free_all(void);
struct olabels *olabels_new(const char * const *, const char **);
void olabels_free(struct olabels *);
int ometric_output_all(FILE *);
/* functions to set gauge and counter metrics */
void ometric_set_int(struct ometric *, uint64_t, struct olabels *);
void ometric_set_float(struct ometric *, double, struct olabels *);
void ometric_set_timespec(struct ometric *, const struct timespec *,
struct olabels *);
void ometric_set_info(struct ometric *, const char **, const char **,
struct olabels *);
void ometric_set_state(struct ometric *, const char *, struct olabels *);
void ometric_set_int_with_labels(struct ometric *, uint64_t, const char **,
const char **, struct olabels *);
void ometric_set_timespec_with_labels(struct ometric *, struct timespec *,
const char **, const char **, struct olabels *);
#define OKV(...) (const char *[]){ __VA_ARGS__, NULL }
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