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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** 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, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#ifndef ZABBIX_PERFMON_H
#define ZABBIX_PERFMON_H
#include "zbxsysinc.h"
#if !defined(_WINDOWS) && !defined(__MINGW32__)
# error "This module is only available for Windows OS"
#endif
/* this struct must be only modified along with mapping builtin_counter_ref[] in perfmon.c */
typedef enum
{
PCI_PROCESSOR_QUEUE_LENGTH = 0,
PCI_SYSTEM_UP_TIME,
PCI_PROCESSOR_TIME,
PCI_INFORMATION_PROCESSOR_TIME,
PCI_TOTAL_SESSIONS,
PCI_MAX_INDEX = PCI_TOTAL_SESSIONS
}
zbx_builtin_counter_ref_t;
typedef enum
{
PERF_COUNTER_NOTSUPPORTED = 0,
PERF_COUNTER_INITIALIZED,
PERF_COUNTER_GET_SECOND_VALUE, /* waiting for the second raw value (needed for some, e.g. rate, counters) */
PERF_COUNTER_ACTIVE
}
zbx_perf_counter_status_t;
typedef enum
{
PERF_COUNTER_LANG_DEFAULT = 0,
PERF_COUNTER_LANG_EN
}
zbx_perf_counter_lang_t;
typedef struct perf_counter_id
{
struct perf_counter_id *next;
unsigned long pdhIndex;
wchar_t name[PDH_MAX_COUNTER_NAME];
}
zbx_perf_counter_id_t;
typedef struct perf_counter_data
{
struct perf_counter_data *next;
char *name;
char *counterpath;
int interval;
zbx_perf_counter_lang_t lang;
zbx_perf_counter_status_t status;
HCOUNTER handle;
PDH_RAW_COUNTER rawValues[2]; /* rate counters need two raw values */
int olderRawValue; /* index of the older of both values */
double *value_array; /* a circular buffer of values */
int value_current; /* index of the last stored value */
int value_count; /* number of values in the array */
double sum; /* sum of last value_count values */
}
zbx_perf_counter_data_t;
PDH_STATUS zbx_PdhMakeCounterPath(const char *function, PDH_COUNTER_PATH_ELEMENTS *cpe, char *counterpath);
PDH_STATUS zbx_PdhOpenQuery(const char *function, PDH_HQUERY query);
PDH_STATUS zbx_PdhAddCounter(const char *function, zbx_perf_counter_data_t *counter, PDH_HQUERY query,
const char *counterpath, zbx_perf_counter_lang_t lang, PDH_HCOUNTER *handle);
PDH_STATUS zbx_PdhCollectQueryData(const char *function, const char *counterpath, PDH_HQUERY query);
PDH_STATUS zbx_PdhGetRawCounterValue(const char *function, const char *counterpath, PDH_HCOUNTER handle, PPDH_RAW_COUNTER value);
PDH_STATUS calculate_counter_value(const char *function, const char *counterpath, zbx_perf_counter_lang_t lang, double *value);
wchar_t *get_counter_name(DWORD pdhIndex);
int check_counter_path(char *counterPath, int convert_from_numeric);
int init_builtin_counter_indexes(void);
DWORD get_builtin_object_index(zbx_builtin_counter_ref_t counter_ref);
DWORD get_builtin_counter_index(zbx_builtin_counter_ref_t counter_ref);
wchar_t *get_all_counter_names(HKEY reg_key, wchar_t *reg_value_name);
#define get_builtin_object_name(ctr) get_counter_name(get_builtin_object_index(ctr))
#define get_builtin_counter_name(ctr) get_counter_name(get_builtin_counter_index(ctr))
#endif /* ZABBIX_PERFMON_H */
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