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/*
  +----------------------------------------------------------------------+
  | Copyright (c) The PHP Group                                          |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | https://www.php.net/license/3_01.txt                                 |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Authors: Andrey Hristov <andrey@php.net>                             |
  |          Ulf Wendel <uw@php.net>                                     |
  +----------------------------------------------------------------------+
*/

#ifndef MYSQLND_STATISTICS_H
#define MYSQLND_STATISTICS_H

#ifdef ZTS
#define MYSQLND_STATS_LOCK(stats) tsrm_mutex_lock((stats)->LOCK_access)
#define MYSQLND_STATS_UNLOCK(stats) tsrm_mutex_unlock((stats)->LOCK_access)
#else
#define MYSQLND_STATS_LOCK(stats)
#define MYSQLND_STATS_UNLOCK(stats)
#endif

#define MYSQLND_STATS_UPDATE_VALUE(stats, statistic, value) \
	{ \
			MYSQLND_STATS_LOCK(stats); \
			(stats)->values[(statistic)] += (value); \
			MYSQLND_STATS_UNLOCK(_p_s); \
	}

#define MYSQLND_DEC_STATISTIC(enabler, stats, statistic) \
 { \
	enum_mysqlnd_collected_stats _s = (statistic);\
	MYSQLND_STATS * _p_s = (MYSQLND_STATS *) (stats); \
	if ((enabler) && _p_s && _s != _p_s->count) { \
		MYSQLND_STATS_UPDATE_VALUE(_p_s, _s, -1); \
	}\
 }

#define MYSQLND_INC_STATISTIC(enabler, stats, statistic) \
 { \
	enum_mysqlnd_collected_stats _s = (statistic);\
	MYSQLND_STATS * _p_s = (MYSQLND_STATS *) (stats); \
	if ((enabler) && _p_s && _s != _p_s->count) { \
		MYSQLND_STATS_UPDATE_VALUE(_p_s, _s, 1); \
	}\
 }

#define MYSQLND_INC_STATISTIC_W_VALUE(enabler, stats, statistic, value) \
 { \
	enum_mysqlnd_collected_stats _s = (statistic);\
	MYSQLND_STATS * _p_s = (MYSQLND_STATS *) (stats); \
	if ((enabler) && _p_s && _s != _p_s->count) { \
		uint64_t v = (uint64_t) (value); \
		MYSQLND_STATS_UPDATE_VALUE(_p_s, _s, v); \
	}\
 }

#define MYSQLND_INC_STATISTIC_W_VALUE2(enabler, stats, statistic1, value1, statistic2, value2) \
 { \
	MYSQLND_STATS * _p_s = (MYSQLND_STATS *) (stats); \
	if ((enabler) && _p_s) { \
		uint64_t v1 = (uint64_t) (value1); \
		uint64_t v2 = (uint64_t) (value2); \
		enum_mysqlnd_collected_stats _s1 = (statistic1);\
		enum_mysqlnd_collected_stats _s2 = (statistic2);\
		if (_s1 != _p_s->count) MYSQLND_STATS_UPDATE_VALUE(_p_s, _s1, v1); \
		if (_s2 != _p_s->count) MYSQLND_STATS_UPDATE_VALUE(_p_s, _s2, v2); \
	}\
 }

#define MYSQLND_INC_STATISTIC_W_VALUE3(enabler, stats, statistic1, value1, statistic2, value2, statistic3, value3) \
 { \
	MYSQLND_STATS * _p_s = (MYSQLND_STATS *) (stats); \
	if ((enabler) && _p_s) { \
		uint64_t v1 = (uint64_t) (value1); \
		uint64_t v2 = (uint64_t) (value2); \
		uint64_t v3 = (uint64_t) (value3); \
		enum_mysqlnd_collected_stats _s1 = (statistic1);\
		enum_mysqlnd_collected_stats _s2 = (statistic2);\
		enum_mysqlnd_collected_stats _s3 = (statistic3);\
		if (_s1 != _p_s->count) MYSQLND_STATS_UPDATE_VALUE(_p_s, _s1, v1); \
		if (_s2 != _p_s->count) MYSQLND_STATS_UPDATE_VALUE(_p_s, _s2, v2); \
		if (_s3 != _p_s->count) MYSQLND_STATS_UPDATE_VALUE(_p_s, _s3, v3); \
	}\
 }



PHPAPI void mysqlnd_stats_init(MYSQLND_STATS ** stats, const size_t statistic_count, const bool persistent);
PHPAPI void mysqlnd_stats_end(MYSQLND_STATS * stats, const bool persistent);

PHPAPI void mysqlnd_fill_stats_hash(const MYSQLND_STATS * const stats, const MYSQLND_STRING * names, zval *return_value ZEND_FILE_LINE_DC);

#endif	/* MYSQLND_STATISTICS_H */