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pdh.h

/*
 * Performance Data Helper
 *
 * Copyright 2007 Hans Leidekker
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef _PDH_H_
#define _PDH_H_

#ifdef __WINESRC__
# include <windef.h>
#else
# include <windows.h>
#endif
#include <winperf.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef LONG   PDH_STATUS;
typedef HANDLE PDH_HQUERY;
typedef HANDLE PDH_HCOUNTER;
typedef HANDLE PDH_HLOG;

#define PDH_MAX_SCALE 7
#define PDH_MIN_SCALE (-7)

#define PDH_MAX_COUNTER_NAME    1024

#define PDH_FMT_LONG        0x00000100
#define PDH_FMT_DOUBLE      0x00000200
#define PDH_FMT_LARGE       0x00000400
#define PDH_FMT_NOSCALE     0x00001000
#define PDH_FMT_1000        0x00002000
#define PDH_FMT_NOCAP100    0x00008000

typedef struct _PDH_FMT_COUNTERVALUE
{
    DWORD CStatus;
    union
    {
        LONG     longValue;
        double   doubleValue;
        LONGLONG largeValue;
        LPCSTR   AnsiStringValue;
        LPCWSTR  WideStringValue;
    } DUMMYUNIONNAME;
} PDH_FMT_COUNTERVALUE, *PPDH_FMT_COUNTERVALUE;

typedef struct _PDH_RAW_COUNTER
{
    DWORD    CStatus;
    FILETIME TimeStamp;
    LONGLONG FirstValue;
    LONGLONG SecondValue;
    DWORD    MultiCount;
} PDH_RAW_COUNTER, *PPDH_RAW_COUNTER;

typedef struct _PDH_COUNTER_PATH_ELEMENTS_A
{
    LPSTR szMachineName;
    LPSTR szObjectName;
    LPSTR szInstanceName;
    LPSTR szParentInstance;
    DWORD dwInstanceIndex;
    LPSTR szCounterName;
} PDH_COUNTER_PATH_ELEMENTS_A, *PPDH_COUNTER_PATH_ELEMENTS_A;

typedef struct _PDH_COUNTER_PATH_ELEMENTS_W
{
    LPWSTR szMachineName;
    LPWSTR szObjectName;
    LPWSTR szInstanceName;
    LPWSTR szParentInstance;
    DWORD  dwInstanceIndex;
    LPWSTR szCounterName;
} PDH_COUNTER_PATH_ELEMENTS_W, *PPDH_COUNTER_PATH_ELEMENTS_W;

typedef struct _PDH_DATA_ITEM_PATH_ELEMENTS_A
{
    LPSTR szMachineName;
    GUID  ObjectGUID;
    DWORD dwItemId;
    LPSTR szInstanceName;
} PDH_DATA_ITEM_PATH_ELEMENTS_A, *PPDH_DATA_ITEM_PATH_ELEMENTS_A;

typedef struct _PDH_DATA_ITEM_PATH_ELEMENTS_W
{
    LPWSTR szMachineName;
    GUID   ObjectGUID;
    DWORD  dwItemId;
    LPWSTR szInstanceName;
} PDH_DATA_ITEM_PATH_ELEMENTS_W, *PPDH_DATA_ITEM_PATH_ELEMENTS_W;

typedef struct _PDH_COUNTER_INFO_A
{
    DWORD     dwLength;
    DWORD     dwType;
    DWORD     CVersion;
    DWORD     CStatus;
    LONG      lScale;
    LONG      lDefaultScale;
    DWORD_PTR dwUserData;
    DWORD_PTR dwQueryUserData;
    LPSTR     szFullPath;
    union
    {
        PDH_DATA_ITEM_PATH_ELEMENTS_A DataItemPath;
        PDH_COUNTER_PATH_ELEMENTS_A   CounterPath;
        struct
        {
            LPSTR szMachineName;
            LPSTR szObjectName;
            LPSTR szInstanceName;
            LPSTR szParentInstance;
            DWORD dwInstanceIndex;
            LPSTR szCounterName;
        } DUMMYSTRUCTNAME;
    } DUMMYUNIONNAME;
    LPSTR szExplainText;
    DWORD DataBuffer[1];
} PDH_COUNTER_INFO_A, *PPDH_COUNTER_INFO_A;

typedef struct _PDH_COUNTER_INFO_W
{
    DWORD     dwLength;
    DWORD     dwType;
    DWORD     CVersion;
    DWORD     CStatus;
    LONG      lScale;
    LONG      lDefaultScale;
    DWORD_PTR dwUserData;
    DWORD_PTR dwQueryUserData;
    LPWSTR    szFullPath;
    union
    {
        PDH_DATA_ITEM_PATH_ELEMENTS_W DataItemPath;
        PDH_COUNTER_PATH_ELEMENTS_W   CounterPath;
        struct
        {
            LPWSTR szMachineName;
            LPWSTR szObjectName;
            LPWSTR szInstanceName;
            LPWSTR szParentInstance;
            DWORD  dwInstanceIndex;
            LPWSTR szCounterName;
        } DUMMYSTRUCTNAME;
    } DUMMYUNIONNAME;
    LPWSTR szExplainText;
    DWORD DataBuffer[1];
} PDH_COUNTER_INFO_W, *PPDH_COUNTER_INFO_W;

PDH_STATUS WINAPI PdhAddCounterA(PDH_HQUERY, LPCSTR, DWORD_PTR, PDH_HCOUNTER *);
PDH_STATUS WINAPI PdhAddCounterW(PDH_HQUERY, LPCWSTR, DWORD_PTR, PDH_HCOUNTER *);
#define    PdhAddCounter WINELIB_NAME_AW(PdhAddCounter)
PDH_STATUS WINAPI PdhAddEnglishCounterA(PDH_HQUERY, LPCSTR, DWORD_PTR, PDH_HCOUNTER *);
PDH_STATUS WINAPI PdhAddEnglishCounterW(PDH_HQUERY, LPCWSTR, DWORD_PTR, PDH_HCOUNTER *);
#define    PdhAddEnglishCounter WINELIB_NAME_AW(PdhAddEnglishCounter)
PDH_STATUS WINAPI PdhCloseQuery(PDH_HQUERY);
PDH_STATUS WINAPI PdhCollectQueryData(PDH_HQUERY);
PDH_STATUS WINAPI PdhCollectQueryDataEx(PDH_HQUERY, DWORD, HANDLE);
PDH_STATUS WINAPI PdhCollectQueryDataWithTime(PDH_HQUERY,LONGLONG *);
PDH_STATUS WINAPI PdhEnumObjectItemsA(LPCSTR, LPCSTR, LPCSTR, LPSTR, LPDWORD, LPSTR, LPDWORD, DWORD, DWORD);
PDH_STATUS WINAPI PdhEnumObjectItemsW(LPCWSTR, LPCWSTR, LPCWSTR, LPWSTR, LPDWORD, LPWSTR, LPDWORD, DWORD, DWORD);
#define    PdhEnumObjectItems WINELIB_NAME_AW(PdhEnumObjectItems)
PDH_STATUS WINAPI PdhGetCounterInfoA(PDH_HCOUNTER, BOOLEAN, LPDWORD, PPDH_COUNTER_INFO_A);
PDH_STATUS WINAPI PdhGetCounterInfoW(PDH_HCOUNTER, BOOLEAN, LPDWORD, PPDH_COUNTER_INFO_W);
#define    PdhGetCounterInfo WINELIB_NAME_AW(PdhGetCounterInfo)
PDH_STATUS WINAPI PdhGetCounterTimeBase(PDH_HCOUNTER, LONGLONG *);
PDH_STATUS WINAPI PdhGetFormattedCounterValue(PDH_HCOUNTER, DWORD, LPDWORD, PPDH_FMT_COUNTERVALUE);
PDH_STATUS WINAPI PdhGetRawCounterValue(PDH_HCOUNTER, LPDWORD, PPDH_RAW_COUNTER);
PDH_STATUS WINAPI PdhLookupPerfIndexByNameA(LPCSTR, LPCSTR, LPDWORD);
PDH_STATUS WINAPI PdhLookupPerfIndexByNameW(LPCWSTR, LPCWSTR, LPDWORD);
#define    PdhLookupPerfIndexByName WINELIB_NAME_AW(PdhLookupPerfIndexByName)
PDH_STATUS WINAPI PdhLookupPerfNameByIndexA(LPCSTR, DWORD, LPSTR, LPDWORD);
PDH_STATUS WINAPI PdhLookupPerfNameByIndexW(LPCWSTR, DWORD, LPWSTR, LPDWORD);
#define    PdhLookupPerfNameByIndex WINELIB_NAME_AW(PdhLookupPerfNameByIndex)
PDH_STATUS WINAPI PdhMakeCounterPathA(PDH_COUNTER_PATH_ELEMENTS_A *, LPSTR, LPDWORD, DWORD);
PDH_STATUS WINAPI PdhMakeCounterPathW(PDH_COUNTER_PATH_ELEMENTS_W *, LPWSTR, LPDWORD, DWORD);
#define    PdhMakeCounterPath WINELIB_NAME_AW(PdhMakeCounterPath)
PDH_STATUS WINAPI PdhOpenQueryA(LPCSTR, DWORD_PTR, PDH_HQUERY *);
PDH_STATUS WINAPI PdhOpenQueryW(LPCWSTR, DWORD_PTR, PDH_HQUERY *);
#define    PdhOpenQuery WINELIB_NAME_AW(PdhOpenQuery)
PDH_STATUS WINAPI PdhRemoveCounter(PDH_HCOUNTER);
PDH_STATUS WINAPI PdhSetCounterScaleFactor(PDH_HCOUNTER, LONG);
PDH_STATUS WINAPI PdhValidatePathA(LPCSTR);
PDH_STATUS WINAPI PdhValidatePathW(LPCWSTR);
#define    PdhValidatePath WINELIB_NAME_AW(PdhValidatePath)
PDH_STATUS WINAPI PdhValidatePathExA(PDH_HLOG, LPCSTR);
PDH_STATUS WINAPI PdhValidatePathExW(PDH_HLOG, LPCWSTR);
#define    PdhValidatePathEx WINELIB_NAME_AW(PdhValidatePathEx)

#ifdef __cplusplus
}
#endif

#endif /* _PDH_H_ */

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