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/*
* ProFTPD - mod_prometheus registry API
* Copyright (c) 2021 TJ Saunders
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_PROMETHEUS_REGISTRY_H
#define MOD_PROMETHEUS_REGISTRY_H
#include "mod_prometheus.h"
#include "prometheus/db.h"
#include "prometheus/metric.h"
struct prom_registry;
/* Returns the name/prefix prepended to all metrics in this registry. */
const char *prom_registry_get_name(struct prom_registry *registry);
/* Returns the text for all collector's metrics in the registry. */
const char *prom_registry_get_text(pool *p, struct prom_registry *registry);
int prom_registry_add_metric(struct prom_registry *registry,
struct prom_metric *metric);
int prom_registry_remove_metric(struct prom_registry *registry,
struct prom_metric *metric);
/* Returns the metric object for the given metric name. */
const struct prom_metric *prom_registry_get_metric(
struct prom_registry *registry, const char *metric_name);
/* Sets the given database handle on all registered metrics. */
int prom_registry_set_dbh(struct prom_registry *registry, struct prom_dbh *dbh);
/* Caches a sorted list of metric names, for use in generating the text. */
int prom_registry_sort_metrics(struct prom_registry *registry);
struct prom_registry *prom_registry_init(pool *p, const char *name);
int prom_registry_free(struct prom_registry *registry);
#endif /* MOD_PROMETHEUS_REGISTRY_H */
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