2 * Performance Data Helper (pdh.dll)
4 * Copyright 2007 Andrey Turkin
5 * Copyright 2007 Hans Leidekker
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
34 #include "wine/debug.h"
35 #include "wine/list.h"
36 #include "wine/unicode.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(pdh
);
40 static CRITICAL_SECTION pdh_handle_cs
;
41 static CRITICAL_SECTION_DEBUG pdh_handle_cs_debug
=
44 { &pdh_handle_cs_debug
.ProcessLocksList
,
45 &pdh_handle_cs_debug
.ProcessLocksList
},
46 0, 0, { (DWORD_PTR
)(__FILE__
": pdh_handle_cs") }
48 static CRITICAL_SECTION pdh_handle_cs
= { &pdh_handle_cs_debug
, -1, 0, 0, 0, 0 };
50 static inline void *heap_alloc( SIZE_T size
)
52 return HeapAlloc( GetProcessHeap(), 0, size
);
55 static inline void *heap_alloc_zero( SIZE_T size
)
57 return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, size
);
60 static inline void heap_free( LPVOID mem
)
62 HeapFree( GetProcessHeap(), 0, mem
);
65 static inline WCHAR
*pdh_strdup( const WCHAR
*src
)
69 if (!src
) return NULL
;
70 if ((dst
= heap_alloc( (strlenW( src
) + 1) * sizeof(WCHAR
) ))) strcpyW( dst
, src
);
74 static inline WCHAR
*pdh_strdup_aw( const char *src
)
79 if (!src
) return NULL
;
80 len
= MultiByteToWideChar( CP_ACP
, 0, src
, -1, NULL
, 0 );
81 if ((dst
= heap_alloc( len
* sizeof(WCHAR
) ))) MultiByteToWideChar( CP_ACP
, 0, src
, -1, dst
, len
);
85 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpvReserved
)
87 TRACE("(0x%p, %d, %p)\n",hinstDLL
,fdwReason
,lpvReserved
);
89 if (fdwReason
== DLL_WINE_PREATTACH
) return FALSE
; /* prefer native version */
91 if (fdwReason
== DLL_PROCESS_ATTACH
)
93 DisableThreadLibraryCalls( hinstDLL
);
108 DWORD magic
; /* signature */
109 struct list entry
; /* list entry */
110 WCHAR
*path
; /* identifier */
111 DWORD type
; /* counter type */
112 DWORD status
; /* update status */
113 LONG scale
; /* scale factor */
114 LONG defaultscale
; /* default scale factor */
115 DWORD_PTR user
; /* user data */
116 DWORD_PTR queryuser
; /* query user data */
117 LONGLONG base
; /* samples per second */
118 FILETIME stamp
; /* time stamp */
119 void (CALLBACK
*collect
)( struct counter
* ); /* collect callback */
120 union value one
; /* first value */
121 union value two
; /* second value */
124 #define PDH_MAGIC_COUNTER 0x50444831 /* 'PDH1' */
126 static struct counter
*create_counter( void )
128 struct counter
*counter
;
130 if ((counter
= heap_alloc_zero( sizeof(struct counter
) )))
132 counter
->magic
= PDH_MAGIC_COUNTER
;
138 static void destroy_counter( struct counter
*counter
)
141 heap_free( counter
->path
);
142 heap_free( counter
);
145 #define PDH_MAGIC_QUERY 0x50444830 /* 'PDH0' */
149 DWORD magic
; /* signature */
150 DWORD_PTR user
; /* user data */
151 HANDLE thread
; /* collect thread */
152 DWORD interval
; /* collect interval */
153 HANDLE wait
; /* wait event */
154 HANDLE stop
; /* stop event */
155 struct list counters
; /* counter list */
158 static struct query
*create_query( void )
162 if ((query
= heap_alloc_zero( sizeof(struct query
) )))
164 query
->magic
= PDH_MAGIC_QUERY
;
165 list_init( &query
->counters
);
171 static void destroy_query( struct query
*query
)
179 DWORD index
; /* name index */
180 const WCHAR
*path
; /* identifier */
181 void (CALLBACK
*collect
)( struct counter
* ); /* collect callback */
182 DWORD type
; /* counter type */
183 LONG scale
; /* default scale factor */
184 LONGLONG base
; /* samples per second */
187 static const WCHAR path_processor_time
[] =
188 {'\\','P','r','o','c','e','s','s','o','r','(','_','T','o','t','a','l',')',
189 '\\','%',' ','P','r','o','c','e','s','s','o','r',' ','T','i','m','e',0};
190 static const WCHAR path_uptime
[] =
191 {'\\','S','y','s','t','e','m', '\\', 'S','y','s','t','e','m',' ','U','p',' ','T','i','m','e',0};
193 static void CALLBACK
collect_processor_time( struct counter
*counter
)
195 counter
->two
.largevalue
= 500000; /* FIXME */
196 counter
->status
= PDH_CSTATUS_VALID_DATA
;
199 static void CALLBACK
collect_uptime( struct counter
*counter
)
201 counter
->two
.largevalue
= GetTickCount64();
202 counter
->status
= PDH_CSTATUS_VALID_DATA
;
205 #define TYPE_PROCESSOR_TIME \
206 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | \
207 PERF_INVERSE_COUNTER | PERF_DISPLAY_PERCENT)
209 #define TYPE_UPTIME \
210 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_ELAPSED | PERF_OBJECT_TIMER | PERF_DISPLAY_SECONDS)
212 /* counter source registry */
213 static const struct source counter_sources
[] =
215 { 6, path_processor_time
, collect_processor_time
, TYPE_PROCESSOR_TIME
, -5, 10000000 },
216 { 674, path_uptime
, collect_uptime
, TYPE_UPTIME
, -3, 1000 }
219 static BOOL
pdh_match_path( LPCWSTR fullpath
, LPCWSTR path
)
223 if (strchrW( path
, '\\')) p
= fullpath
;
224 else p
= strrchrW( fullpath
, '\\' ) + 1;
225 if (strcmpW( p
, path
)) return FALSE
;
229 /***********************************************************************
230 * PdhAddCounterA (PDH.@)
232 PDH_STATUS WINAPI
PdhAddCounterA( PDH_HQUERY query
, LPCSTR path
,
233 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
238 TRACE("%p %s %lx %p\n", query
, debugstr_a(path
), userdata
, counter
);
240 if (!path
) return PDH_INVALID_ARGUMENT
;
242 if (!(pathW
= pdh_strdup_aw( path
)))
243 return PDH_MEMORY_ALLOCATION_FAILURE
;
245 ret
= PdhAddCounterW( query
, pathW
, userdata
, counter
);
251 /***********************************************************************
252 * PdhAddCounterW (PDH.@)
254 PDH_STATUS WINAPI
PdhAddCounterW( PDH_HQUERY hquery
, LPCWSTR path
,
255 DWORD_PTR userdata
, PDH_HCOUNTER
*hcounter
)
257 struct query
*query
= hquery
;
258 struct counter
*counter
;
261 TRACE("%p %s %lx %p\n", hquery
, debugstr_w(path
), userdata
, hcounter
);
263 if (!path
|| !hcounter
) return PDH_INVALID_ARGUMENT
;
265 EnterCriticalSection( &pdh_handle_cs
);
266 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
268 LeaveCriticalSection( &pdh_handle_cs
);
269 return PDH_INVALID_HANDLE
;
273 for (i
= 0; i
< sizeof(counter_sources
) / sizeof(counter_sources
[0]); i
++)
275 if (pdh_match_path( counter_sources
[i
].path
, path
))
277 if ((counter
= create_counter()))
279 counter
->path
= pdh_strdup( counter_sources
[i
].path
);
280 counter
->collect
= counter_sources
[i
].collect
;
281 counter
->type
= counter_sources
[i
].type
;
282 counter
->defaultscale
= counter_sources
[i
].scale
;
283 counter
->base
= counter_sources
[i
].base
;
284 counter
->queryuser
= query
->user
;
285 counter
->user
= userdata
;
287 list_add_tail( &query
->counters
, &counter
->entry
);
290 LeaveCriticalSection( &pdh_handle_cs
);
291 return ERROR_SUCCESS
;
293 LeaveCriticalSection( &pdh_handle_cs
);
294 return PDH_MEMORY_ALLOCATION_FAILURE
;
297 LeaveCriticalSection( &pdh_handle_cs
);
298 return PDH_CSTATUS_NO_COUNTER
;
301 /***********************************************************************
302 * PdhAddEnglishCounterA (PDH.@)
304 PDH_STATUS WINAPI
PdhAddEnglishCounterA( PDH_HQUERY query
, LPCSTR path
,
305 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
307 TRACE("%p %s %lx %p\n", query
, debugstr_a(path
), userdata
, counter
);
309 if (!query
) return PDH_INVALID_ARGUMENT
;
310 return PdhAddCounterA( query
, path
, userdata
, counter
);
313 /***********************************************************************
314 * PdhAddEnglishCounterW (PDH.@)
316 PDH_STATUS WINAPI
PdhAddEnglishCounterW( PDH_HQUERY query
, LPCWSTR path
,
317 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
319 TRACE("%p %s %lx %p\n", query
, debugstr_w(path
), userdata
, counter
);
321 if (!query
) return PDH_INVALID_ARGUMENT
;
322 return PdhAddCounterW( query
, path
, userdata
, counter
);
325 /* caller must hold counter lock */
326 static PDH_STATUS
format_value( struct counter
*counter
, DWORD format
, union value
*raw1
,
327 union value
*raw2
, PDH_FMT_COUNTERVALUE
*value
)
331 factor
= counter
->scale
? counter
->scale
: counter
->defaultscale
;
332 if (format
& PDH_FMT_LONG
)
334 if (format
& PDH_FMT_1000
) value
->u
.longValue
= raw2
->longvalue
* 1000;
335 else value
->u
.longValue
= raw2
->longvalue
* pow( 10, factor
);
337 else if (format
& PDH_FMT_LARGE
)
339 if (format
& PDH_FMT_1000
) value
->u
.largeValue
= raw2
->largevalue
* 1000;
340 else value
->u
.largeValue
= raw2
->largevalue
* pow( 10, factor
);
342 else if (format
& PDH_FMT_DOUBLE
)
344 if (format
& PDH_FMT_1000
) value
->u
.doubleValue
= raw2
->doublevalue
* 1000;
345 else value
->u
.doubleValue
= raw2
->doublevalue
* pow( 10, factor
);
349 WARN("unknown format %x\n", format
);
350 return PDH_INVALID_ARGUMENT
;
352 return ERROR_SUCCESS
;
355 /***********************************************************************
356 * PdhCalculateCounterFromRawValue (PDH.@)
358 PDH_STATUS WINAPI
PdhCalculateCounterFromRawValue( PDH_HCOUNTER handle
, DWORD format
,
359 PPDH_RAW_COUNTER raw1
, PPDH_RAW_COUNTER raw2
,
360 PPDH_FMT_COUNTERVALUE value
)
363 struct counter
*counter
= handle
;
365 TRACE("%p 0x%08x %p %p %p\n", handle
, format
, raw1
, raw2
, value
);
367 if (!value
) return PDH_INVALID_ARGUMENT
;
369 EnterCriticalSection( &pdh_handle_cs
);
370 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
372 LeaveCriticalSection( &pdh_handle_cs
);
373 return PDH_INVALID_HANDLE
;
376 ret
= format_value( counter
, format
, (union value
*)&raw1
->SecondValue
,
377 (union value
*)&raw2
->SecondValue
, value
);
379 LeaveCriticalSection( &pdh_handle_cs
);
384 /***********************************************************************
385 * PdhCloseQuery (PDH.@)
387 PDH_STATUS WINAPI
PdhCloseQuery( PDH_HQUERY handle
)
389 struct query
*query
= handle
;
390 struct list
*item
, *next
;
392 TRACE("%p\n", handle
);
394 EnterCriticalSection( &pdh_handle_cs
);
395 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
397 LeaveCriticalSection( &pdh_handle_cs
);
398 return PDH_INVALID_HANDLE
;
403 HANDLE thread
= query
->thread
;
404 SetEvent( query
->stop
);
405 LeaveCriticalSection( &pdh_handle_cs
);
407 WaitForSingleObject( thread
, INFINITE
);
409 EnterCriticalSection( &pdh_handle_cs
);
410 if (query
->magic
!= PDH_MAGIC_QUERY
)
412 LeaveCriticalSection( &pdh_handle_cs
);
413 return ERROR_SUCCESS
;
415 CloseHandle( query
->stop
);
416 CloseHandle( query
->thread
);
417 query
->thread
= NULL
;
420 LIST_FOR_EACH_SAFE( item
, next
, &query
->counters
)
422 struct counter
*counter
= LIST_ENTRY( item
, struct counter
, entry
);
424 list_remove( &counter
->entry
);
425 destroy_counter( counter
);
428 destroy_query( query
);
430 LeaveCriticalSection( &pdh_handle_cs
);
431 return ERROR_SUCCESS
;
434 /* caller must hold query lock */
435 static void collect_query_data( struct query
*query
)
439 LIST_FOR_EACH( item
, &query
->counters
)
442 struct counter
*counter
= LIST_ENTRY( item
, struct counter
, entry
);
444 counter
->collect( counter
);
446 GetLocalTime( &time
);
447 SystemTimeToFileTime( &time
, &counter
->stamp
);
451 /***********************************************************************
452 * PdhCollectQueryData (PDH.@)
454 PDH_STATUS WINAPI
PdhCollectQueryData( PDH_HQUERY handle
)
456 struct query
*query
= handle
;
458 TRACE("%p\n", handle
);
460 EnterCriticalSection( &pdh_handle_cs
);
461 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
463 LeaveCriticalSection( &pdh_handle_cs
);
464 return PDH_INVALID_HANDLE
;
467 if (list_empty( &query
->counters
))
469 LeaveCriticalSection( &pdh_handle_cs
);
473 collect_query_data( query
);
475 LeaveCriticalSection( &pdh_handle_cs
);
476 return ERROR_SUCCESS
;
479 static DWORD CALLBACK
collect_query_thread( void *arg
)
481 struct query
*query
= arg
;
482 DWORD interval
= query
->interval
;
483 HANDLE stop
= query
->stop
;
487 if (WaitForSingleObject( stop
, interval
) != WAIT_TIMEOUT
) ExitThread( 0 );
489 EnterCriticalSection( &pdh_handle_cs
);
490 if (query
->magic
!= PDH_MAGIC_QUERY
)
492 LeaveCriticalSection( &pdh_handle_cs
);
493 ExitThread( PDH_INVALID_HANDLE
);
496 collect_query_data( query
);
498 if (!SetEvent( query
->wait
))
500 LeaveCriticalSection( &pdh_handle_cs
);
503 LeaveCriticalSection( &pdh_handle_cs
);
507 /***********************************************************************
508 * PdhCollectQueryDataEx (PDH.@)
510 PDH_STATUS WINAPI
PdhCollectQueryDataEx( PDH_HQUERY handle
, DWORD interval
, HANDLE event
)
513 struct query
*query
= handle
;
515 TRACE("%p %d %p\n", handle
, interval
, event
);
517 EnterCriticalSection( &pdh_handle_cs
);
518 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
520 LeaveCriticalSection( &pdh_handle_cs
);
521 return PDH_INVALID_HANDLE
;
523 if (list_empty( &query
->counters
))
525 LeaveCriticalSection( &pdh_handle_cs
);
530 HANDLE thread
= query
->thread
;
531 SetEvent( query
->stop
);
532 LeaveCriticalSection( &pdh_handle_cs
);
534 WaitForSingleObject( thread
, INFINITE
);
536 EnterCriticalSection( &pdh_handle_cs
);
537 if (query
->magic
!= PDH_MAGIC_QUERY
)
539 LeaveCriticalSection( &pdh_handle_cs
);
540 return PDH_INVALID_HANDLE
;
542 CloseHandle( query
->thread
);
543 query
->thread
= NULL
;
545 else if (!(query
->stop
= CreateEventW( NULL
, FALSE
, FALSE
, NULL
)))
547 ret
= GetLastError();
548 LeaveCriticalSection( &pdh_handle_cs
);
552 query
->interval
= interval
* 1000;
553 if (!(query
->thread
= CreateThread( NULL
, 0, collect_query_thread
, query
, 0, NULL
)))
555 ret
= GetLastError();
556 CloseHandle( query
->stop
);
558 LeaveCriticalSection( &pdh_handle_cs
);
562 LeaveCriticalSection( &pdh_handle_cs
);
563 return ERROR_SUCCESS
;
566 /***********************************************************************
567 * PdhCollectQueryDataWithTime (PDH.@)
569 PDH_STATUS WINAPI
PdhCollectQueryDataWithTime( PDH_HQUERY handle
, LONGLONG
*timestamp
)
571 struct query
*query
= handle
;
572 struct counter
*counter
;
575 TRACE("%p %p\n", handle
, timestamp
);
577 if (!timestamp
) return PDH_INVALID_ARGUMENT
;
579 EnterCriticalSection( &pdh_handle_cs
);
580 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
582 LeaveCriticalSection( &pdh_handle_cs
);
583 return PDH_INVALID_HANDLE
;
585 if (list_empty( &query
->counters
))
587 LeaveCriticalSection( &pdh_handle_cs
);
591 collect_query_data( query
);
593 item
= list_head( &query
->counters
);
594 counter
= LIST_ENTRY( item
, struct counter
, entry
);
596 *timestamp
= ((LONGLONG
)counter
->stamp
.dwHighDateTime
<< 32) | counter
->stamp
.dwLowDateTime
;
598 LeaveCriticalSection( &pdh_handle_cs
);
599 return ERROR_SUCCESS
;
602 /***********************************************************************
603 * PdhExpandWildCardPathA (PDH.@)
605 PDH_STATUS WINAPI
PdhExpandWildCardPathA( LPCSTR szDataSource
, LPCSTR szWildCardPath
, LPSTR mszExpandedPathList
, LPDWORD pcchPathListLength
, DWORD dwFlags
)
607 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_a(szDataSource
), debugstr_a(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
, dwFlags
);
608 return PDH_NOT_IMPLEMENTED
;
611 /***********************************************************************
612 * PdhExpandWildCardPathW (PDH.@)
614 PDH_STATUS WINAPI
PdhExpandWildCardPathW( LPCWSTR szDataSource
, LPCWSTR szWildCardPath
, LPWSTR mszExpandedPathList
, LPDWORD pcchPathListLength
, DWORD dwFlags
)
616 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_w(szDataSource
), debugstr_w(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
, dwFlags
);
617 return PDH_NOT_IMPLEMENTED
;
620 /***********************************************************************
621 * PdhGetCounterInfoA (PDH.@)
623 PDH_STATUS WINAPI
PdhGetCounterInfoA( PDH_HCOUNTER handle
, BOOLEAN text
, LPDWORD size
, PPDH_COUNTER_INFO_A info
)
625 struct counter
*counter
= handle
;
627 TRACE("%p %d %p %p\n", handle
, text
, size
, info
);
629 EnterCriticalSection( &pdh_handle_cs
);
630 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
632 LeaveCriticalSection( &pdh_handle_cs
);
633 return PDH_INVALID_HANDLE
;
637 LeaveCriticalSection( &pdh_handle_cs
);
638 return PDH_INVALID_ARGUMENT
;
640 if (*size
< sizeof(PDH_COUNTER_INFO_A
))
642 *size
= sizeof(PDH_COUNTER_INFO_A
);
643 LeaveCriticalSection( &pdh_handle_cs
);
644 return PDH_MORE_DATA
;
647 memset( info
, 0, sizeof(PDH_COUNTER_INFO_A
) );
649 info
->dwType
= counter
->type
;
650 info
->CStatus
= counter
->status
;
651 info
->lScale
= counter
->scale
;
652 info
->lDefaultScale
= counter
->defaultscale
;
653 info
->dwUserData
= counter
->user
;
654 info
->dwQueryUserData
= counter
->queryuser
;
656 *size
= sizeof(PDH_COUNTER_INFO_A
);
658 LeaveCriticalSection( &pdh_handle_cs
);
659 return ERROR_SUCCESS
;
662 /***********************************************************************
663 * PdhGetCounterInfoW (PDH.@)
665 PDH_STATUS WINAPI
PdhGetCounterInfoW( PDH_HCOUNTER handle
, BOOLEAN text
, LPDWORD size
, PPDH_COUNTER_INFO_W info
)
667 struct counter
*counter
= handle
;
669 TRACE("%p %d %p %p\n", handle
, text
, size
, info
);
671 EnterCriticalSection( &pdh_handle_cs
);
672 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
674 LeaveCriticalSection( &pdh_handle_cs
);
675 return PDH_INVALID_HANDLE
;
679 LeaveCriticalSection( &pdh_handle_cs
);
680 return PDH_INVALID_ARGUMENT
;
682 if (*size
< sizeof(PDH_COUNTER_INFO_W
))
684 *size
= sizeof(PDH_COUNTER_INFO_W
);
685 LeaveCriticalSection( &pdh_handle_cs
);
686 return PDH_MORE_DATA
;
689 memset( info
, 0, sizeof(PDH_COUNTER_INFO_W
) );
691 info
->dwType
= counter
->type
;
692 info
->CStatus
= counter
->status
;
693 info
->lScale
= counter
->scale
;
694 info
->lDefaultScale
= counter
->defaultscale
;
695 info
->dwUserData
= counter
->user
;
696 info
->dwQueryUserData
= counter
->queryuser
;
698 *size
= sizeof(PDH_COUNTER_INFO_W
);
700 LeaveCriticalSection( &pdh_handle_cs
);
701 return ERROR_SUCCESS
;
704 /***********************************************************************
705 * PdhGetCounterTimeBase (PDH.@)
707 PDH_STATUS WINAPI
PdhGetCounterTimeBase( PDH_HCOUNTER handle
, LONGLONG
*base
)
709 struct counter
*counter
= handle
;
711 TRACE("%p %p\n", handle
, base
);
713 if (!base
) return PDH_INVALID_ARGUMENT
;
715 EnterCriticalSection( &pdh_handle_cs
);
716 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
718 LeaveCriticalSection( &pdh_handle_cs
);
719 return PDH_INVALID_HANDLE
;
722 *base
= counter
->base
;
724 LeaveCriticalSection( &pdh_handle_cs
);
725 return ERROR_SUCCESS
;
728 /***********************************************************************
729 * PdhGetFormattedCounterValue (PDH.@)
731 PDH_STATUS WINAPI
PdhGetFormattedCounterValue( PDH_HCOUNTER handle
, DWORD format
,
732 LPDWORD type
, PPDH_FMT_COUNTERVALUE value
)
735 struct counter
*counter
= handle
;
737 TRACE("%p %x %p %p\n", handle
, format
, type
, value
);
739 if (!value
) return PDH_INVALID_ARGUMENT
;
741 EnterCriticalSection( &pdh_handle_cs
);
742 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
744 LeaveCriticalSection( &pdh_handle_cs
);
745 return PDH_INVALID_HANDLE
;
749 LeaveCriticalSection( &pdh_handle_cs
);
750 return PDH_INVALID_DATA
;
752 if (!(ret
= format_value( counter
, format
, &counter
->one
, &counter
->two
, value
)))
754 value
->CStatus
= ERROR_SUCCESS
;
755 if (type
) *type
= counter
->type
;
758 LeaveCriticalSection( &pdh_handle_cs
);
762 /***********************************************************************
763 * PdhGetRawCounterValue (PDH.@)
765 PDH_STATUS WINAPI
PdhGetRawCounterValue( PDH_HCOUNTER handle
, LPDWORD type
,
766 PPDH_RAW_COUNTER value
)
768 struct counter
*counter
= handle
;
770 TRACE("%p %p %p\n", handle
, type
, value
);
772 if (!value
) return PDH_INVALID_ARGUMENT
;
774 EnterCriticalSection( &pdh_handle_cs
);
775 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
777 LeaveCriticalSection( &pdh_handle_cs
);
778 return PDH_INVALID_HANDLE
;
781 value
->CStatus
= counter
->status
;
782 value
->TimeStamp
.dwLowDateTime
= counter
->stamp
.dwLowDateTime
;
783 value
->TimeStamp
.dwHighDateTime
= counter
->stamp
.dwHighDateTime
;
784 value
->FirstValue
= counter
->one
.largevalue
;
785 value
->SecondValue
= counter
->two
.largevalue
;
786 value
->MultiCount
= 1; /* FIXME */
788 if (type
) *type
= counter
->type
;
790 LeaveCriticalSection( &pdh_handle_cs
);
791 return ERROR_SUCCESS
;
794 /***********************************************************************
795 * PdhLookupPerfIndexByNameA (PDH.@)
797 PDH_STATUS WINAPI
PdhLookupPerfIndexByNameA( LPCSTR machine
, LPCSTR name
, LPDWORD index
)
800 WCHAR
*machineW
= NULL
;
803 TRACE("%s %s %p\n", debugstr_a(machine
), debugstr_a(name
), index
);
805 if (!name
) return PDH_INVALID_ARGUMENT
;
807 if (machine
&& !(machineW
= pdh_strdup_aw( machine
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
809 if (!(nameW
= pdh_strdup_aw( name
)))
810 return PDH_MEMORY_ALLOCATION_FAILURE
;
812 ret
= PdhLookupPerfIndexByNameW( machineW
, nameW
, index
);
815 heap_free( machineW
);
819 /***********************************************************************
820 * PdhLookupPerfIndexByNameW (PDH.@)
822 PDH_STATUS WINAPI
PdhLookupPerfIndexByNameW( LPCWSTR machine
, LPCWSTR name
, LPDWORD index
)
826 TRACE("%s %s %p\n", debugstr_w(machine
), debugstr_w(name
), index
);
828 if (!name
|| !index
) return PDH_INVALID_ARGUMENT
;
832 FIXME("remote machine not supported\n");
833 return PDH_CSTATUS_NO_MACHINE
;
835 for (i
= 0; i
< sizeof(counter_sources
) / sizeof(counter_sources
[0]); i
++)
837 if (pdh_match_path( counter_sources
[i
].path
, name
))
839 *index
= counter_sources
[i
].index
;
840 return ERROR_SUCCESS
;
843 return PDH_STRING_NOT_FOUND
;
846 /***********************************************************************
847 * PdhLookupPerfNameByIndexA (PDH.@)
849 PDH_STATUS WINAPI
PdhLookupPerfNameByIndexA( LPCSTR machine
, DWORD index
, LPSTR buffer
, LPDWORD size
)
852 WCHAR
*machineW
= NULL
;
853 WCHAR bufferW
[PDH_MAX_COUNTER_NAME
];
854 DWORD sizeW
= sizeof(bufferW
) / sizeof(WCHAR
);
856 TRACE("%s %d %p %p\n", debugstr_a(machine
), index
, buffer
, size
);
858 if (!buffer
|| !size
) return PDH_INVALID_ARGUMENT
;
860 if (machine
&& !(machineW
= pdh_strdup_aw( machine
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
862 if (!(ret
= PdhLookupPerfNameByIndexW( machineW
, index
, bufferW
, &sizeW
)))
864 int required
= WideCharToMultiByte( CP_ACP
, 0, bufferW
, -1, NULL
, 0, NULL
, NULL
);
866 if (size
&& *size
< required
) ret
= PDH_MORE_DATA
;
867 else WideCharToMultiByte( CP_ACP
, 0, bufferW
, -1, buffer
, required
, NULL
, NULL
);
868 if (size
) *size
= required
;
870 heap_free( machineW
);
874 /***********************************************************************
875 * PdhLookupPerfNameByIndexW (PDH.@)
877 PDH_STATUS WINAPI
PdhLookupPerfNameByIndexW( LPCWSTR machine
, DWORD index
, LPWSTR buffer
, LPDWORD size
)
882 TRACE("%s %d %p %p\n", debugstr_w(machine
), index
, buffer
, size
);
886 FIXME("remote machine not supported\n");
887 return PDH_CSTATUS_NO_MACHINE
;
890 if (!buffer
|| !size
) return PDH_INVALID_ARGUMENT
;
891 if (!index
) return ERROR_SUCCESS
;
893 for (i
= 0; i
< sizeof(counter_sources
) / sizeof(counter_sources
[0]); i
++)
895 if (counter_sources
[i
].index
== index
)
897 WCHAR
*p
= strrchrW( counter_sources
[i
].path
, '\\' ) + 1;
898 unsigned int required
= strlenW( p
) + 1;
900 if (*size
< required
) ret
= PDH_MORE_DATA
;
903 strcpyW( buffer
, p
);
910 return PDH_INVALID_ARGUMENT
;
913 /***********************************************************************
914 * PdhOpenQueryA (PDH.@)
916 PDH_STATUS WINAPI
PdhOpenQueryA( LPCSTR source
, DWORD_PTR userdata
, PDH_HQUERY
*query
)
919 WCHAR
*sourceW
= NULL
;
921 TRACE("%s %lx %p\n", debugstr_a(source
), userdata
, query
);
923 if (source
&& !(sourceW
= pdh_strdup_aw( source
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
925 ret
= PdhOpenQueryW( sourceW
, userdata
, query
);
926 heap_free( sourceW
);
931 /***********************************************************************
932 * PdhOpenQueryW (PDH.@)
934 PDH_STATUS WINAPI
PdhOpenQueryW( LPCWSTR source
, DWORD_PTR userdata
, PDH_HQUERY
*handle
)
938 TRACE("%s %lx %p\n", debugstr_w(source
), userdata
, handle
);
940 if (!handle
) return PDH_INVALID_ARGUMENT
;
944 FIXME("log file data source not supported\n");
945 return PDH_INVALID_ARGUMENT
;
947 if ((query
= create_query()))
949 query
->user
= userdata
;
952 return ERROR_SUCCESS
;
954 return PDH_MEMORY_ALLOCATION_FAILURE
;
957 /***********************************************************************
958 * PdhRemoveCounter (PDH.@)
960 PDH_STATUS WINAPI
PdhRemoveCounter( PDH_HCOUNTER handle
)
962 struct counter
*counter
= handle
;
964 TRACE("%p\n", handle
);
966 EnterCriticalSection( &pdh_handle_cs
);
967 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
969 LeaveCriticalSection( &pdh_handle_cs
);
970 return PDH_INVALID_HANDLE
;
973 list_remove( &counter
->entry
);
974 destroy_counter( counter
);
976 LeaveCriticalSection( &pdh_handle_cs
);
977 return ERROR_SUCCESS
;
980 /***********************************************************************
981 * PdhSetCounterScaleFactor (PDH.@)
983 PDH_STATUS WINAPI
PdhSetCounterScaleFactor( PDH_HCOUNTER handle
, LONG factor
)
985 struct counter
*counter
= handle
;
987 TRACE("%p\n", handle
);
989 EnterCriticalSection( &pdh_handle_cs
);
990 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
992 LeaveCriticalSection( &pdh_handle_cs
);
993 return PDH_INVALID_HANDLE
;
995 if (factor
< PDH_MIN_SCALE
|| factor
> PDH_MAX_SCALE
)
997 LeaveCriticalSection( &pdh_handle_cs
);
998 return PDH_INVALID_ARGUMENT
;
1001 counter
->scale
= factor
;
1003 LeaveCriticalSection( &pdh_handle_cs
);
1004 return ERROR_SUCCESS
;
1007 /***********************************************************************
1008 * PdhValidatePathA (PDH.@)
1010 PDH_STATUS WINAPI
PdhValidatePathA( LPCSTR path
)
1015 TRACE("%s\n", debugstr_a(path
));
1017 if (!path
) return PDH_INVALID_ARGUMENT
;
1018 if (!(pathW
= pdh_strdup_aw( path
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
1020 ret
= PdhValidatePathW( pathW
);
1026 static PDH_STATUS
validate_path( LPCWSTR path
)
1028 if (!path
|| !*path
) return PDH_INVALID_ARGUMENT
;
1029 if (*path
++ != '\\' || !strchrW( path
, '\\' )) return PDH_CSTATUS_BAD_COUNTERNAME
;
1030 return ERROR_SUCCESS
;
1033 /***********************************************************************
1034 * PdhValidatePathW (PDH.@)
1036 PDH_STATUS WINAPI
PdhValidatePathW( LPCWSTR path
)
1041 TRACE("%s\n", debugstr_w(path
));
1043 if ((ret
= validate_path( path
))) return ret
;
1045 for (i
= 0; i
< sizeof(counter_sources
) / sizeof(counter_sources
[0]); i
++)
1046 if (pdh_match_path( counter_sources
[i
].path
, path
)) return ERROR_SUCCESS
;
1048 return PDH_CSTATUS_NO_COUNTER
;
1051 /***********************************************************************
1052 * PdhValidatePathExA (PDH.@)
1054 PDH_STATUS WINAPI
PdhValidatePathExA( PDH_HLOG source
, LPCSTR path
)
1056 TRACE("%p %s\n", source
, debugstr_a(path
));
1060 FIXME("log file data source not supported\n");
1061 return ERROR_SUCCESS
;
1063 return PdhValidatePathA( path
);
1066 /***********************************************************************
1067 * PdhValidatePathExW (PDH.@)
1069 PDH_STATUS WINAPI
PdhValidatePathExW( PDH_HLOG source
, LPCWSTR path
)
1071 TRACE("%p %s\n", source
, debugstr_w(path
));
1075 FIXME("log file data source not supported\n");
1076 return ERROR_SUCCESS
;
1078 return PdhValidatePathW( path
);
1081 /***********************************************************************
1082 * PdhMakeCounterPathA (PDH.@)
1084 PDH_STATUS WINAPI
PdhMakeCounterPathA( PDH_COUNTER_PATH_ELEMENTS_A
*e
, LPSTR buffer
,
1085 LPDWORD buflen
, DWORD flags
)
1087 PDH_STATUS ret
= PDH_MEMORY_ALLOCATION_FAILURE
;
1088 PDH_COUNTER_PATH_ELEMENTS_W eW
;
1092 TRACE("%p %p %p 0x%08x\n", e
, buffer
, buflen
, flags
);
1094 if (!e
|| !buflen
) return PDH_INVALID_ARGUMENT
;
1096 memset( &eW
, 0, sizeof(eW
) );
1097 if (e
->szMachineName
&& !(eW
.szMachineName
= pdh_strdup_aw( e
->szMachineName
))) goto done
;
1098 if (e
->szObjectName
&& !(eW
.szObjectName
= pdh_strdup_aw( e
->szObjectName
))) goto done
;
1099 if (e
->szInstanceName
&& !(eW
.szInstanceName
= pdh_strdup_aw( e
->szInstanceName
))) goto done
;
1100 if (e
->szParentInstance
&& !(eW
.szParentInstance
= pdh_strdup_aw( e
->szParentInstance
))) goto done
;
1101 if (e
->szCounterName
&& !(eW
.szCounterName
= pdh_strdup_aw( e
->szCounterName
))) goto done
;
1102 eW
.dwInstanceIndex
= e
->dwInstanceIndex
;
1105 ret
= PdhMakeCounterPathW( &eW
, NULL
, &buflenW
, flags
);
1106 if (ret
== PDH_MORE_DATA
)
1108 if ((bufferW
= heap_alloc( buflenW
* sizeof(WCHAR
) )))
1110 if (!(ret
= PdhMakeCounterPathW( &eW
, bufferW
, &buflenW
, flags
)))
1112 int len
= WideCharToMultiByte(CP_ACP
, 0, bufferW
, -1, NULL
, 0, NULL
, NULL
);
1113 if (*buflen
>= len
) WideCharToMultiByte(CP_ACP
, 0, bufferW
, -1, buffer
, *buflen
, NULL
, NULL
);
1114 else ret
= PDH_MORE_DATA
;
1117 heap_free( bufferW
);
1120 ret
= PDH_MEMORY_ALLOCATION_FAILURE
;
1124 heap_free( eW
.szMachineName
);
1125 heap_free( eW
.szObjectName
);
1126 heap_free( eW
.szInstanceName
);
1127 heap_free( eW
.szParentInstance
);
1128 heap_free( eW
.szCounterName
);
1132 /***********************************************************************
1133 * PdhMakeCounterPathW (PDH.@)
1135 PDH_STATUS WINAPI
PdhMakeCounterPathW( PDH_COUNTER_PATH_ELEMENTS_W
*e
, LPWSTR buffer
,
1136 LPDWORD buflen
, DWORD flags
)
1138 static const WCHAR bslash
[] = {'\\',0};
1139 static const WCHAR fslash
[] = {'/',0};
1140 static const WCHAR lparen
[] = {'(',0};
1141 static const WCHAR rparen
[] = {')',0};
1142 static const WCHAR fmt
[] = {'#','%','u',0};
1144 WCHAR path
[PDH_MAX_COUNTER_NAME
], instance
[12];
1145 PDH_STATUS ret
= ERROR_SUCCESS
;
1148 TRACE("%p %p %p 0x%08x\n", e
, buffer
, buflen
, flags
);
1150 if (flags
) FIXME("unimplemented flags 0x%08x\n", flags
);
1152 if (!e
|| !e
->szCounterName
|| !e
->szObjectName
|| !buflen
)
1153 return PDH_INVALID_ARGUMENT
;
1156 if (e
->szMachineName
)
1158 strcatW(path
, bslash
);
1159 strcatW(path
, bslash
);
1160 strcatW(path
, e
->szMachineName
);
1162 strcatW(path
, bslash
);
1163 strcatW(path
, e
->szObjectName
);
1164 if (e
->szInstanceName
)
1166 strcatW(path
, lparen
);
1167 if (e
->szParentInstance
)
1169 strcatW(path
, e
->szParentInstance
);
1170 strcatW(path
, fslash
);
1172 strcatW(path
, e
->szInstanceName
);
1173 sprintfW(instance
, fmt
, e
->dwInstanceIndex
);
1174 strcatW(path
, instance
);
1175 strcatW(path
, rparen
);
1177 strcatW(path
, bslash
);
1178 strcatW(path
, e
->szCounterName
);
1180 len
= strlenW(path
) + 1;
1181 if (*buflen
>= len
) strcpyW(buffer
, path
);
1182 else ret
= PDH_MORE_DATA
;
1187 /***********************************************************************
1188 * PdhEnumObjectItemsA (PDH.@)
1190 PDH_STATUS WINAPI
PdhEnumObjectItemsA(LPCSTR szDataSource
, LPCSTR szMachineName
, LPCSTR szObjectName
,
1191 LPSTR mszCounterList
, LPDWORD pcchCounterListLength
, LPSTR mszInstanceList
,
1192 LPDWORD pcchInstanceListLength
, DWORD dwDetailLevel
, DWORD dwFlags
)
1194 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_a(szDataSource
), debugstr_a(szMachineName
),
1195 debugstr_a(szObjectName
), mszCounterList
, pcchCounterListLength
, mszInstanceList
,
1196 pcchInstanceListLength
, dwDetailLevel
, dwFlags
);
1198 return PDH_NOT_IMPLEMENTED
;
1201 /***********************************************************************
1202 * PdhEnumObjectItemsW (PDH.@)
1204 PDH_STATUS WINAPI
PdhEnumObjectItemsW(LPCWSTR szDataSource
, LPCWSTR szMachineName
, LPCWSTR szObjectName
,
1205 LPWSTR mszCounterList
, LPDWORD pcchCounterListLength
, LPWSTR mszInstanceList
,
1206 LPDWORD pcchInstanceListLength
, DWORD dwDetailLevel
, DWORD dwFlags
)
1208 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_w(szDataSource
), debugstr_w(szMachineName
),
1209 debugstr_w(szObjectName
), mszCounterList
, pcchCounterListLength
, mszInstanceList
,
1210 pcchInstanceListLength
, dwDetailLevel
, dwFlags
);
1212 return PDH_NOT_IMPLEMENTED
;