prom/include/prom_gauge.h

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/*
Copyright 2019-2020 DigitalOcean Inc.
Copyright 2021 Jens Elkner <jel+libprom@cs.uni-magdeburg.de>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

#ifndef PROM_GAUGE_H
#define PROM_GAUGE_H

#include <stdlib.h>

#include "prom_metric.h"

typedef prom_metric_t prom_gauge_t;

prom_gauge_t *prom_gauge_new(const char *name, const char *help, size_t label_key_count, const char **label_keys);

int prom_gauge_destroy(prom_gauge_t *self);

int prom_gauge_inc(prom_gauge_t *self, const char **label_values);

int prom_gauge_dec(prom_gauge_t *self, const char **label_values);

int prom_gauge_add(prom_gauge_t *self, double r_value, const char **label_values);

int prom_gauge_sub(prom_gauge_t *self, double r_value, const char **label_values);

int prom_gauge_set(prom_gauge_t *self, double r_value, const char **label_values);

#endif  // PROM_GAUGE_H