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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_PERFLIB_H
#define NETDATA_PERFLIB_H
#include "libnetdata/libnetdata.h"
#if defined(OS_WINDOWS)
typedef uint32_t DWORD;
typedef long long LONGLONG;
typedef unsigned long long ULONGLONG;
typedef int BOOL;
struct _PERF_DATA_BLOCK;
typedef struct _PERF_DATA_BLOCK PERF_DATA_BLOCK;
struct _PERF_OBJECT_TYPE;
typedef struct _PERF_OBJECT_TYPE PERF_OBJECT_TYPE;
struct _PERF_INSTANCE_DEFINITION;
typedef struct _PERF_INSTANCE_DEFINITION PERF_INSTANCE_DEFINITION;
struct _PERF_COUNTER_DEFINITION;
typedef struct _PERF_COUNTER_DEFINITION PERF_COUNTER_DEFINITION;
const char *RegistryFindNameByID(DWORD id);
const char *RegistryFindHelpByID(DWORD id);
DWORD RegistryFindIDByName(const char *name);
#define PERFLIB_REGISTRY_NAME_NOT_FOUND (DWORD)-1
#define PERFLIB_MAX_NAME_LENGTH 1024
PERF_DATA_BLOCK *perflibGetPerformanceData(DWORD id);
void perflibFreePerformanceData(void);
PERF_OBJECT_TYPE *perflibFindObjectTypeByName(PERF_DATA_BLOCK *pDataBlock, const char *name);
PERF_INSTANCE_DEFINITION *perflibForEachInstance(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_INSTANCE_DEFINITION *lastInstance);
typedef struct _rawdata {
DWORD CounterType;
DWORD MultiCounterData; // Second raw counter value for multi-valued counters
ULONGLONG Data; // Raw counter data
LONGLONG Time; // Is a time value or a base value
LONGLONG Frequency;
} RAW_DATA, *PRAW_DATA;
typedef struct _counterdata {
DWORD id;
bool updated;
uint8_t failures; // counts the number of failures to find this key
const char *key;
DWORD OverwriteCounterType; // if set, the counter type will be overwritten once read
RAW_DATA current;
RAW_DATA previous;
} COUNTER_DATA;
#define PERFLIB_MAX_FAILURES_TO_FIND_METRIC 10
#define RAW_DATA_EMPTY (RAW_DATA){ 0 }
bool perflibGetInstanceCounter(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_INSTANCE_DEFINITION *pInstance, COUNTER_DATA *cd);
bool perflibGetObjectCounter(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, COUNTER_DATA *cd);
typedef bool (*perflib_data_cb)(PERF_DATA_BLOCK *pDataBlock, void *data);
typedef bool (*perflib_object_cb)(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, void *data);
typedef bool (*perflib_instance_cb)(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_INSTANCE_DEFINITION *pInstance, void *data);
typedef bool (*perflib_instance_counter_cb)(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_INSTANCE_DEFINITION *pInstance, PERF_COUNTER_DEFINITION *pCounter, RAW_DATA *sample, void *data);
typedef bool (*perflib_counter_cb)(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_COUNTER_DEFINITION *pCounter, RAW_DATA *sample, void *data);
int perflibQueryAndTraverse(DWORD id,
perflib_data_cb dataCb,
perflib_object_cb objectCb,
perflib_instance_cb instanceCb,
perflib_instance_counter_cb instanceCounterCb,
perflib_counter_cb counterCb,
void *data);
bool ObjectTypeHasInstances(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType);
BOOL getInstanceName(PERF_DATA_BLOCK *pDataBlock, PERF_OBJECT_TYPE *pObjectType, PERF_INSTANCE_DEFINITION *pInstance,
char *buffer, size_t bufferLen);
BOOL getSystemName(PERF_DATA_BLOCK *pDataBlock, char *buffer, size_t bufferLen);
PERF_OBJECT_TYPE *getObjectTypeByIndex(PERF_DATA_BLOCK *pDataBlock, DWORD ObjectNameTitleIndex);
PERF_INSTANCE_DEFINITION *getInstanceByPosition(
PERF_DATA_BLOCK *pDataBlock,
PERF_OBJECT_TYPE *pObjectType,
DWORD instancePosition);
void PerflibNamesRegistryInitialize(void);
void PerflibNamesRegistryUpdate(void);
#endif // OS_WINDOWS
#endif //NETDATA_PERFLIB_H
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