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/* Copyright (C) 2020 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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 3 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, see <https://www.gnu.org/licenses/>.
*/
/*!
* \brief Server statistics general API.
*/
#pragma once
#include "knot/server/server.h"
typedef uint64_t (*stats_val_f)(server_t *server);
/*!
* \brief Statistics metrics item.
*/
typedef struct {
const char *name; /*!< Metrics name. */
stats_val_f val; /*!< Metrics value getter. */
} stats_item_t;
/*!
* \brief Basic server metrics.
*/
extern const stats_item_t server_stats[];
/*!
* \brief Read out value of single counter summed across threads.
*/
uint64_t stats_get_counter(uint64_t **stats_vals, uint32_t offset, unsigned threads);
/*!
* \brief Reconfigures the statistics facility.
*/
void stats_reconfigure(conf_t *conf, server_t *server);
/*!
* \brief Deinitializes the statistics facility.
*/
void stats_deinit(void);
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