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
34 #include "wine/debug.h"
35 #include "wine/heap.h"
36 #include "wine/list.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 WCHAR
*pdh_strdup( const WCHAR
*src
)
54 if (!src
) return NULL
;
55 if ((dst
= heap_alloc( (lstrlenW( src
) + 1) * sizeof(WCHAR
) ))) lstrcpyW( dst
, src
);
59 static inline WCHAR
*pdh_strdup_aw( const char *src
)
64 if (!src
) return NULL
;
65 len
= MultiByteToWideChar( CP_ACP
, 0, src
, -1, NULL
, 0 );
66 if ((dst
= heap_alloc( len
* sizeof(WCHAR
) ))) MultiByteToWideChar( CP_ACP
, 0, src
, -1, dst
, len
);
70 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpvReserved
)
72 TRACE("(0x%p, %d, %p)\n",hinstDLL
,fdwReason
,lpvReserved
);
75 case DLL_WINE_PREATTACH
:
76 return FALSE
; /* prefer native version */
77 case DLL_PROCESS_ATTACH
:
78 DisableThreadLibraryCalls(hinstDLL
);
80 case DLL_PROCESS_DETACH
:
81 if (lpvReserved
) break;
82 DeleteCriticalSection(&pdh_handle_cs
);
98 DWORD magic
; /* signature */
99 struct list entry
; /* list entry */
100 WCHAR
*path
; /* identifier */
101 DWORD type
; /* counter type */
102 DWORD status
; /* update status */
103 LONG scale
; /* scale factor */
104 LONG defaultscale
; /* default scale factor */
105 DWORD_PTR user
; /* user data */
106 DWORD_PTR queryuser
; /* query user data */
107 LONGLONG base
; /* samples per second */
108 FILETIME stamp
; /* time stamp */
109 void (CALLBACK
*collect
)( struct counter
* ); /* collect callback */
110 union value one
; /* first value */
111 union value two
; /* second value */
114 #define PDH_MAGIC_COUNTER 0x50444831 /* 'PDH1' */
116 static struct counter
*create_counter( void )
118 struct counter
*counter
;
120 if ((counter
= heap_alloc_zero( sizeof(struct counter
) )))
122 counter
->magic
= PDH_MAGIC_COUNTER
;
128 static void destroy_counter( struct counter
*counter
)
131 heap_free( counter
->path
);
132 heap_free( counter
);
135 #define PDH_MAGIC_QUERY 0x50444830 /* 'PDH0' */
139 DWORD magic
; /* signature */
140 DWORD_PTR user
; /* user data */
141 HANDLE thread
; /* collect thread */
142 DWORD interval
; /* collect interval */
143 HANDLE wait
; /* wait event */
144 HANDLE stop
; /* stop event */
145 struct list counters
; /* counter list */
148 static struct query
*create_query( void )
152 if ((query
= heap_alloc_zero( sizeof(struct query
) )))
154 query
->magic
= PDH_MAGIC_QUERY
;
155 list_init( &query
->counters
);
161 static void destroy_query( struct query
*query
)
169 DWORD index
; /* name index */
170 const WCHAR
*path
; /* identifier */
171 void (CALLBACK
*collect
)( struct counter
* ); /* collect callback */
172 DWORD type
; /* counter type */
173 LONG scale
; /* default scale factor */
174 LONGLONG base
; /* samples per second */
177 static const WCHAR path_processor_time
[] =
178 {'\\','P','r','o','c','e','s','s','o','r','(','_','T','o','t','a','l',')',
179 '\\','%',' ','P','r','o','c','e','s','s','o','r',' ','T','i','m','e',0};
180 static const WCHAR path_uptime
[] =
181 {'\\','S','y','s','t','e','m', '\\', 'S','y','s','t','e','m',' ','U','p',' ','T','i','m','e',0};
183 static void CALLBACK
collect_processor_time( struct counter
*counter
)
185 counter
->two
.largevalue
= 500000; /* FIXME */
186 counter
->status
= PDH_CSTATUS_VALID_DATA
;
189 static void CALLBACK
collect_uptime( struct counter
*counter
)
191 counter
->two
.largevalue
= GetTickCount64();
192 counter
->status
= PDH_CSTATUS_VALID_DATA
;
195 #define TYPE_PROCESSOR_TIME \
196 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | \
197 PERF_INVERSE_COUNTER | PERF_DISPLAY_PERCENT)
199 #define TYPE_UPTIME \
200 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_ELAPSED | PERF_OBJECT_TIMER | PERF_DISPLAY_SECONDS)
202 /* counter source registry */
203 static const struct source counter_sources
[] =
205 { 6, path_processor_time
, collect_processor_time
, TYPE_PROCESSOR_TIME
, -5, 10000000 },
206 { 674, path_uptime
, collect_uptime
, TYPE_UPTIME
, -3, 1000 }
209 static BOOL
is_local_machine( const WCHAR
*name
, DWORD len
)
211 WCHAR buf
[MAX_COMPUTERNAME_LENGTH
+ 1];
212 DWORD buflen
= ARRAY_SIZE(buf
);
214 if (!GetComputerNameW( buf
, &buflen
)) return FALSE
;
215 return len
== buflen
&& !wcsnicmp( name
, buf
, buflen
);
218 static BOOL
pdh_match_path( LPCWSTR fullpath
, LPCWSTR path
)
222 if (path
[0] == '\\' && path
[1] == '\\' && (p
= wcschr( path
+ 2, '\\' )) &&
223 is_local_machine( path
+ 2, p
- path
- 2 ))
227 if (wcschr( path
, '\\' )) p
= fullpath
;
228 else p
= wcsrchr( fullpath
, '\\' ) + 1;
229 return !wcscmp( p
, path
);
232 /***********************************************************************
233 * PdhAddCounterA (PDH.@)
235 PDH_STATUS WINAPI
PdhAddCounterA( PDH_HQUERY query
, LPCSTR path
,
236 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
241 TRACE("%p %s %lx %p\n", query
, debugstr_a(path
), userdata
, counter
);
243 if (!path
) return PDH_INVALID_ARGUMENT
;
245 if (!(pathW
= pdh_strdup_aw( path
)))
246 return PDH_MEMORY_ALLOCATION_FAILURE
;
248 ret
= PdhAddCounterW( query
, pathW
, userdata
, counter
);
254 /***********************************************************************
255 * PdhAddCounterW (PDH.@)
257 PDH_STATUS WINAPI
PdhAddCounterW( PDH_HQUERY hquery
, LPCWSTR path
,
258 DWORD_PTR userdata
, PDH_HCOUNTER
*hcounter
)
260 struct query
*query
= hquery
;
261 struct counter
*counter
;
264 TRACE("%p %s %lx %p\n", hquery
, debugstr_w(path
), userdata
, hcounter
);
266 if (!path
|| !hcounter
) return PDH_INVALID_ARGUMENT
;
268 EnterCriticalSection( &pdh_handle_cs
);
269 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
271 LeaveCriticalSection( &pdh_handle_cs
);
272 return PDH_INVALID_HANDLE
;
276 for (i
= 0; i
< ARRAY_SIZE(counter_sources
); i
++)
278 if (pdh_match_path( counter_sources
[i
].path
, path
))
280 if ((counter
= create_counter()))
282 counter
->path
= pdh_strdup( counter_sources
[i
].path
);
283 counter
->collect
= counter_sources
[i
].collect
;
284 counter
->type
= counter_sources
[i
].type
;
285 counter
->defaultscale
= counter_sources
[i
].scale
;
286 counter
->base
= counter_sources
[i
].base
;
287 counter
->queryuser
= query
->user
;
288 counter
->user
= userdata
;
290 list_add_tail( &query
->counters
, &counter
->entry
);
293 LeaveCriticalSection( &pdh_handle_cs
);
294 return ERROR_SUCCESS
;
296 LeaveCriticalSection( &pdh_handle_cs
);
297 return PDH_MEMORY_ALLOCATION_FAILURE
;
300 LeaveCriticalSection( &pdh_handle_cs
);
301 return PDH_CSTATUS_NO_COUNTER
;
304 /***********************************************************************
305 * PdhAddEnglishCounterA (PDH.@)
307 PDH_STATUS WINAPI
PdhAddEnglishCounterA( PDH_HQUERY query
, LPCSTR path
,
308 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
310 TRACE("%p %s %lx %p\n", query
, debugstr_a(path
), userdata
, counter
);
312 if (!query
) return PDH_INVALID_ARGUMENT
;
313 return PdhAddCounterA( query
, path
, userdata
, counter
);
316 /***********************************************************************
317 * PdhAddEnglishCounterW (PDH.@)
319 PDH_STATUS WINAPI
PdhAddEnglishCounterW( PDH_HQUERY query
, LPCWSTR path
,
320 DWORD_PTR userdata
, PDH_HCOUNTER
*counter
)
322 TRACE("%p %s %lx %p\n", query
, debugstr_w(path
), userdata
, counter
);
324 if (!query
) return PDH_INVALID_ARGUMENT
;
325 return PdhAddCounterW( query
, path
, userdata
, counter
);
328 /* caller must hold counter lock */
329 static PDH_STATUS
format_value( struct counter
*counter
, DWORD format
, union value
*raw1
,
330 union value
*raw2
, PDH_FMT_COUNTERVALUE
*value
)
334 factor
= counter
->scale
? counter
->scale
: counter
->defaultscale
;
335 if (format
& PDH_FMT_LONG
)
337 if (format
& PDH_FMT_1000
) value
->u
.longValue
= raw2
->longvalue
* 1000;
338 else value
->u
.longValue
= raw2
->longvalue
* pow( 10, factor
);
340 else if (format
& PDH_FMT_LARGE
)
342 if (format
& PDH_FMT_1000
) value
->u
.largeValue
= raw2
->largevalue
* 1000;
343 else value
->u
.largeValue
= raw2
->largevalue
* pow( 10, factor
);
345 else if (format
& PDH_FMT_DOUBLE
)
347 if (format
& PDH_FMT_1000
) value
->u
.doubleValue
= raw2
->doublevalue
* 1000;
348 else value
->u
.doubleValue
= raw2
->doublevalue
* pow( 10, factor
);
352 WARN("unknown format %x\n", format
);
353 return PDH_INVALID_ARGUMENT
;
355 return ERROR_SUCCESS
;
358 /***********************************************************************
359 * PdhCalculateCounterFromRawValue (PDH.@)
361 PDH_STATUS WINAPI
PdhCalculateCounterFromRawValue( PDH_HCOUNTER handle
, DWORD format
,
362 PPDH_RAW_COUNTER raw1
, PPDH_RAW_COUNTER raw2
,
363 PPDH_FMT_COUNTERVALUE value
)
366 struct counter
*counter
= handle
;
368 TRACE("%p 0x%08x %p %p %p\n", handle
, format
, raw1
, raw2
, value
);
370 if (!value
) return PDH_INVALID_ARGUMENT
;
372 EnterCriticalSection( &pdh_handle_cs
);
373 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
375 LeaveCriticalSection( &pdh_handle_cs
);
376 return PDH_INVALID_HANDLE
;
379 ret
= format_value( counter
, format
, (union value
*)&raw1
->SecondValue
,
380 (union value
*)&raw2
->SecondValue
, value
);
382 LeaveCriticalSection( &pdh_handle_cs
);
387 /***********************************************************************
388 * PdhCloseQuery (PDH.@)
390 PDH_STATUS WINAPI
PdhCloseQuery( PDH_HQUERY handle
)
392 struct query
*query
= handle
;
393 struct list
*item
, *next
;
395 TRACE("%p\n", handle
);
397 EnterCriticalSection( &pdh_handle_cs
);
398 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
400 LeaveCriticalSection( &pdh_handle_cs
);
401 return PDH_INVALID_HANDLE
;
406 HANDLE thread
= query
->thread
;
407 SetEvent( query
->stop
);
408 LeaveCriticalSection( &pdh_handle_cs
);
410 WaitForSingleObject( thread
, INFINITE
);
412 EnterCriticalSection( &pdh_handle_cs
);
413 if (query
->magic
!= PDH_MAGIC_QUERY
)
415 LeaveCriticalSection( &pdh_handle_cs
);
416 return ERROR_SUCCESS
;
418 CloseHandle( query
->stop
);
419 CloseHandle( query
->thread
);
420 query
->thread
= NULL
;
423 LIST_FOR_EACH_SAFE( item
, next
, &query
->counters
)
425 struct counter
*counter
= LIST_ENTRY( item
, struct counter
, entry
);
427 list_remove( &counter
->entry
);
428 destroy_counter( counter
);
431 destroy_query( query
);
433 LeaveCriticalSection( &pdh_handle_cs
);
434 return ERROR_SUCCESS
;
437 /* caller must hold query lock */
438 static void collect_query_data( struct query
*query
)
442 LIST_FOR_EACH( item
, &query
->counters
)
445 struct counter
*counter
= LIST_ENTRY( item
, struct counter
, entry
);
447 counter
->collect( counter
);
449 GetLocalTime( &time
);
450 SystemTimeToFileTime( &time
, &counter
->stamp
);
454 /***********************************************************************
455 * PdhCollectQueryData (PDH.@)
457 PDH_STATUS WINAPI
PdhCollectQueryData( PDH_HQUERY handle
)
459 struct query
*query
= handle
;
461 TRACE("%p\n", handle
);
463 EnterCriticalSection( &pdh_handle_cs
);
464 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
466 LeaveCriticalSection( &pdh_handle_cs
);
467 return PDH_INVALID_HANDLE
;
470 if (list_empty( &query
->counters
))
472 LeaveCriticalSection( &pdh_handle_cs
);
476 collect_query_data( query
);
478 LeaveCriticalSection( &pdh_handle_cs
);
479 return ERROR_SUCCESS
;
482 static DWORD CALLBACK
collect_query_thread( void *arg
)
484 struct query
*query
= arg
;
485 DWORD interval
= query
->interval
;
486 HANDLE stop
= query
->stop
;
490 if (WaitForSingleObject( stop
, interval
) != WAIT_TIMEOUT
) ExitThread( 0 );
492 EnterCriticalSection( &pdh_handle_cs
);
493 if (query
->magic
!= PDH_MAGIC_QUERY
)
495 LeaveCriticalSection( &pdh_handle_cs
);
496 ExitThread( PDH_INVALID_HANDLE
);
499 collect_query_data( query
);
501 if (!SetEvent( query
->wait
))
503 LeaveCriticalSection( &pdh_handle_cs
);
506 LeaveCriticalSection( &pdh_handle_cs
);
510 /***********************************************************************
511 * PdhCollectQueryDataEx (PDH.@)
513 PDH_STATUS WINAPI
PdhCollectQueryDataEx( PDH_HQUERY handle
, DWORD interval
, HANDLE event
)
516 struct query
*query
= handle
;
518 TRACE("%p %d %p\n", handle
, interval
, event
);
520 EnterCriticalSection( &pdh_handle_cs
);
521 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
523 LeaveCriticalSection( &pdh_handle_cs
);
524 return PDH_INVALID_HANDLE
;
526 if (list_empty( &query
->counters
))
528 LeaveCriticalSection( &pdh_handle_cs
);
533 HANDLE thread
= query
->thread
;
534 SetEvent( query
->stop
);
535 LeaveCriticalSection( &pdh_handle_cs
);
537 WaitForSingleObject( thread
, INFINITE
);
539 EnterCriticalSection( &pdh_handle_cs
);
540 if (query
->magic
!= PDH_MAGIC_QUERY
)
542 LeaveCriticalSection( &pdh_handle_cs
);
543 return PDH_INVALID_HANDLE
;
545 CloseHandle( query
->thread
);
546 query
->thread
= NULL
;
548 else if (!(query
->stop
= CreateEventW( NULL
, FALSE
, FALSE
, NULL
)))
550 ret
= GetLastError();
551 LeaveCriticalSection( &pdh_handle_cs
);
555 query
->interval
= interval
* 1000;
556 if (!(query
->thread
= CreateThread( NULL
, 0, collect_query_thread
, query
, 0, NULL
)))
558 ret
= GetLastError();
559 CloseHandle( query
->stop
);
561 LeaveCriticalSection( &pdh_handle_cs
);
565 LeaveCriticalSection( &pdh_handle_cs
);
566 return ERROR_SUCCESS
;
569 /***********************************************************************
570 * PdhCollectQueryDataWithTime (PDH.@)
572 PDH_STATUS WINAPI
PdhCollectQueryDataWithTime( PDH_HQUERY handle
, LONGLONG
*timestamp
)
574 struct query
*query
= handle
;
575 struct counter
*counter
;
578 TRACE("%p %p\n", handle
, timestamp
);
580 if (!timestamp
) return PDH_INVALID_ARGUMENT
;
582 EnterCriticalSection( &pdh_handle_cs
);
583 if (!query
|| query
->magic
!= PDH_MAGIC_QUERY
)
585 LeaveCriticalSection( &pdh_handle_cs
);
586 return PDH_INVALID_HANDLE
;
588 if (list_empty( &query
->counters
))
590 LeaveCriticalSection( &pdh_handle_cs
);
594 collect_query_data( query
);
596 item
= list_head( &query
->counters
);
597 counter
= LIST_ENTRY( item
, struct counter
, entry
);
599 *timestamp
= ((LONGLONG
)counter
->stamp
.dwHighDateTime
<< 32) | counter
->stamp
.dwLowDateTime
;
601 LeaveCriticalSection( &pdh_handle_cs
);
602 return ERROR_SUCCESS
;
605 /***********************************************************************
606 * PdhExpandWildCardPathA (PDH.@)
608 PDH_STATUS WINAPI
PdhExpandWildCardPathA( LPCSTR szDataSource
, LPCSTR szWildCardPath
, LPSTR mszExpandedPathList
, LPDWORD pcchPathListLength
, DWORD dwFlags
)
610 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_a(szDataSource
), debugstr_a(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
, dwFlags
);
611 return PDH_NOT_IMPLEMENTED
;
614 /***********************************************************************
615 * PdhExpandWildCardPathW (PDH.@)
617 PDH_STATUS WINAPI
PdhExpandWildCardPathW( LPCWSTR szDataSource
, LPCWSTR szWildCardPath
, LPWSTR mszExpandedPathList
, LPDWORD pcchPathListLength
, DWORD dwFlags
)
619 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_w(szDataSource
), debugstr_w(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
, dwFlags
);
620 return PDH_NOT_IMPLEMENTED
;
623 /***********************************************************************
624 * PdhExpandCounterPathA (PDH.@)
626 PDH_STATUS WINAPI
PdhExpandCounterPathA( LPCSTR szWildCardPath
, LPSTR mszExpandedPathList
, LPDWORD pcchPathListLength
)
628 FIXME("%s, %p, %p: stub\n", debugstr_a(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
);
629 return PdhExpandWildCardPathA(NULL
, szWildCardPath
, mszExpandedPathList
, pcchPathListLength
, 0);
632 /***********************************************************************
633 * PdhExpandCounterPathW (PDH.@)
635 PDH_STATUS WINAPI
PdhExpandCounterPathW( LPCWSTR szWildCardPath
, LPWSTR mszExpandedPathList
, LPDWORD pcchPathListLength
)
637 FIXME("%s, %p, %p: stub\n", debugstr_w(szWildCardPath
), mszExpandedPathList
, pcchPathListLength
);
638 return PdhExpandWildCardPathW(NULL
, szWildCardPath
, mszExpandedPathList
, pcchPathListLength
, 0);
641 /***********************************************************************
642 * PdhGetCounterInfoA (PDH.@)
644 PDH_STATUS WINAPI
PdhGetCounterInfoA( PDH_HCOUNTER handle
, BOOLEAN text
, LPDWORD size
, PPDH_COUNTER_INFO_A info
)
646 struct counter
*counter
= handle
;
648 TRACE("%p %d %p %p\n", handle
, text
, size
, info
);
650 EnterCriticalSection( &pdh_handle_cs
);
651 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
653 LeaveCriticalSection( &pdh_handle_cs
);
654 return PDH_INVALID_HANDLE
;
658 LeaveCriticalSection( &pdh_handle_cs
);
659 return PDH_INVALID_ARGUMENT
;
661 if (*size
< sizeof(PDH_COUNTER_INFO_A
))
663 *size
= sizeof(PDH_COUNTER_INFO_A
);
664 LeaveCriticalSection( &pdh_handle_cs
);
665 return PDH_MORE_DATA
;
668 memset( info
, 0, sizeof(PDH_COUNTER_INFO_A
) );
670 info
->dwType
= counter
->type
;
671 info
->CStatus
= counter
->status
;
672 info
->lScale
= counter
->scale
;
673 info
->lDefaultScale
= counter
->defaultscale
;
674 info
->dwUserData
= counter
->user
;
675 info
->dwQueryUserData
= counter
->queryuser
;
677 *size
= sizeof(PDH_COUNTER_INFO_A
);
679 LeaveCriticalSection( &pdh_handle_cs
);
680 return ERROR_SUCCESS
;
683 /***********************************************************************
684 * PdhGetCounterInfoW (PDH.@)
686 PDH_STATUS WINAPI
PdhGetCounterInfoW( PDH_HCOUNTER handle
, BOOLEAN text
, LPDWORD size
, PPDH_COUNTER_INFO_W info
)
688 struct counter
*counter
= handle
;
690 TRACE("%p %d %p %p\n", handle
, text
, size
, info
);
692 EnterCriticalSection( &pdh_handle_cs
);
693 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
695 LeaveCriticalSection( &pdh_handle_cs
);
696 return PDH_INVALID_HANDLE
;
700 LeaveCriticalSection( &pdh_handle_cs
);
701 return PDH_INVALID_ARGUMENT
;
703 if (*size
< sizeof(PDH_COUNTER_INFO_W
))
705 *size
= sizeof(PDH_COUNTER_INFO_W
);
706 LeaveCriticalSection( &pdh_handle_cs
);
707 return PDH_MORE_DATA
;
710 memset( info
, 0, sizeof(PDH_COUNTER_INFO_W
) );
712 info
->dwType
= counter
->type
;
713 info
->CStatus
= counter
->status
;
714 info
->lScale
= counter
->scale
;
715 info
->lDefaultScale
= counter
->defaultscale
;
716 info
->dwUserData
= counter
->user
;
717 info
->dwQueryUserData
= counter
->queryuser
;
719 *size
= sizeof(PDH_COUNTER_INFO_W
);
721 LeaveCriticalSection( &pdh_handle_cs
);
722 return ERROR_SUCCESS
;
725 /***********************************************************************
726 * PdhGetCounterTimeBase (PDH.@)
728 PDH_STATUS WINAPI
PdhGetCounterTimeBase( PDH_HCOUNTER handle
, LONGLONG
*base
)
730 struct counter
*counter
= handle
;
732 TRACE("%p %p\n", handle
, base
);
734 if (!base
) return PDH_INVALID_ARGUMENT
;
736 EnterCriticalSection( &pdh_handle_cs
);
737 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
739 LeaveCriticalSection( &pdh_handle_cs
);
740 return PDH_INVALID_HANDLE
;
743 *base
= counter
->base
;
745 LeaveCriticalSection( &pdh_handle_cs
);
746 return ERROR_SUCCESS
;
749 /***********************************************************************
750 * PdhGetDllVersion (PDH.@)
752 PDH_STATUS WINAPI
PdhGetDllVersion( LPDWORD version
)
755 return PDH_INVALID_ARGUMENT
;
757 *version
= PDH_VERSION
;
759 return ERROR_SUCCESS
;
762 /***********************************************************************
763 * PdhGetFormattedCounterValue (PDH.@)
765 PDH_STATUS WINAPI
PdhGetFormattedCounterValue( PDH_HCOUNTER handle
, DWORD format
,
766 LPDWORD type
, PPDH_FMT_COUNTERVALUE value
)
769 struct counter
*counter
= handle
;
771 TRACE("%p %x %p %p\n", handle
, format
, type
, value
);
773 if (!value
) return PDH_INVALID_ARGUMENT
;
775 EnterCriticalSection( &pdh_handle_cs
);
776 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
778 LeaveCriticalSection( &pdh_handle_cs
);
779 return PDH_INVALID_HANDLE
;
783 LeaveCriticalSection( &pdh_handle_cs
);
784 return PDH_INVALID_DATA
;
786 if (!(ret
= format_value( counter
, format
, &counter
->one
, &counter
->two
, value
)))
788 value
->CStatus
= ERROR_SUCCESS
;
789 if (type
) *type
= counter
->type
;
792 LeaveCriticalSection( &pdh_handle_cs
);
796 /***********************************************************************
797 * PdhGetRawCounterValue (PDH.@)
799 PDH_STATUS WINAPI
PdhGetRawCounterValue( PDH_HCOUNTER handle
, LPDWORD type
,
800 PPDH_RAW_COUNTER value
)
802 struct counter
*counter
= handle
;
804 TRACE("%p %p %p\n", handle
, type
, value
);
806 if (!value
) return PDH_INVALID_ARGUMENT
;
808 EnterCriticalSection( &pdh_handle_cs
);
809 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
811 LeaveCriticalSection( &pdh_handle_cs
);
812 return PDH_INVALID_HANDLE
;
815 value
->CStatus
= counter
->status
;
816 value
->TimeStamp
.dwLowDateTime
= counter
->stamp
.dwLowDateTime
;
817 value
->TimeStamp
.dwHighDateTime
= counter
->stamp
.dwHighDateTime
;
818 value
->FirstValue
= counter
->one
.largevalue
;
819 value
->SecondValue
= counter
->two
.largevalue
;
820 value
->MultiCount
= 1; /* FIXME */
822 if (type
) *type
= counter
->type
;
824 LeaveCriticalSection( &pdh_handle_cs
);
825 return ERROR_SUCCESS
;
828 /***********************************************************************
829 * PdhLookupPerfIndexByNameA (PDH.@)
831 PDH_STATUS WINAPI
PdhLookupPerfIndexByNameA( LPCSTR machine
, LPCSTR name
, LPDWORD index
)
834 WCHAR
*machineW
= NULL
;
837 TRACE("%s %s %p\n", debugstr_a(machine
), debugstr_a(name
), index
);
839 if (!name
) return PDH_INVALID_ARGUMENT
;
841 if (machine
&& !(machineW
= pdh_strdup_aw( machine
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
843 if (!(nameW
= pdh_strdup_aw( name
)))
844 return PDH_MEMORY_ALLOCATION_FAILURE
;
846 ret
= PdhLookupPerfIndexByNameW( machineW
, nameW
, index
);
849 heap_free( machineW
);
853 /***********************************************************************
854 * PdhLookupPerfIndexByNameW (PDH.@)
856 PDH_STATUS WINAPI
PdhLookupPerfIndexByNameW( LPCWSTR machine
, LPCWSTR name
, LPDWORD index
)
860 TRACE("%s %s %p\n", debugstr_w(machine
), debugstr_w(name
), index
);
862 if (!name
|| !index
) return PDH_INVALID_ARGUMENT
;
866 FIXME("remote machine not supported\n");
867 return PDH_CSTATUS_NO_MACHINE
;
869 for (i
= 0; i
< ARRAY_SIZE(counter_sources
); i
++)
871 if (pdh_match_path( counter_sources
[i
].path
, name
))
873 *index
= counter_sources
[i
].index
;
874 return ERROR_SUCCESS
;
877 return PDH_STRING_NOT_FOUND
;
880 /***********************************************************************
881 * PdhLookupPerfNameByIndexA (PDH.@)
883 PDH_STATUS WINAPI
PdhLookupPerfNameByIndexA( LPCSTR machine
, DWORD index
, LPSTR buffer
, LPDWORD size
)
886 WCHAR
*machineW
= NULL
;
887 WCHAR bufferW
[PDH_MAX_COUNTER_NAME
];
888 DWORD sizeW
= ARRAY_SIZE(bufferW
);
890 TRACE("%s %d %p %p\n", debugstr_a(machine
), index
, buffer
, size
);
892 if (!buffer
|| !size
) return PDH_INVALID_ARGUMENT
;
894 if (machine
&& !(machineW
= pdh_strdup_aw( machine
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
896 if (!(ret
= PdhLookupPerfNameByIndexW( machineW
, index
, bufferW
, &sizeW
)))
898 int required
= WideCharToMultiByte( CP_ACP
, 0, bufferW
, -1, NULL
, 0, NULL
, NULL
);
900 if (*size
< required
) ret
= PDH_MORE_DATA
;
901 else WideCharToMultiByte( CP_ACP
, 0, bufferW
, -1, buffer
, required
, NULL
, NULL
);
904 heap_free( machineW
);
908 /***********************************************************************
909 * PdhLookupPerfNameByIndexW (PDH.@)
911 PDH_STATUS WINAPI
PdhLookupPerfNameByIndexW( LPCWSTR machine
, DWORD index
, LPWSTR buffer
, LPDWORD size
)
916 TRACE("%s %d %p %p\n", debugstr_w(machine
), index
, buffer
, size
);
920 FIXME("remote machine not supported\n");
921 return PDH_CSTATUS_NO_MACHINE
;
924 if (!buffer
|| !size
) return PDH_INVALID_ARGUMENT
;
925 if (!index
) return ERROR_SUCCESS
;
927 for (i
= 0; i
< ARRAY_SIZE(counter_sources
); i
++)
929 if (counter_sources
[i
].index
== index
)
931 WCHAR
*p
= wcsrchr( counter_sources
[i
].path
, '\\' ) + 1;
932 unsigned int required
= lstrlenW( p
) + 1;
934 if (*size
< required
) ret
= PDH_MORE_DATA
;
937 lstrcpyW( buffer
, p
);
944 return PDH_INVALID_ARGUMENT
;
947 /***********************************************************************
948 * PdhOpenQueryA (PDH.@)
950 PDH_STATUS WINAPI
PdhOpenQueryA( LPCSTR source
, DWORD_PTR userdata
, PDH_HQUERY
*query
)
953 WCHAR
*sourceW
= NULL
;
955 TRACE("%s %lx %p\n", debugstr_a(source
), userdata
, query
);
957 if (source
&& !(sourceW
= pdh_strdup_aw( source
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
959 ret
= PdhOpenQueryW( sourceW
, userdata
, query
);
960 heap_free( sourceW
);
965 /***********************************************************************
966 * PdhOpenQueryW (PDH.@)
968 PDH_STATUS WINAPI
PdhOpenQueryW( LPCWSTR source
, DWORD_PTR userdata
, PDH_HQUERY
*handle
)
972 TRACE("%s %lx %p\n", debugstr_w(source
), userdata
, handle
);
974 if (!handle
) return PDH_INVALID_ARGUMENT
;
978 FIXME("log file data source not supported\n");
979 return PDH_INVALID_ARGUMENT
;
981 if ((query
= create_query()))
983 query
->user
= userdata
;
986 return ERROR_SUCCESS
;
988 return PDH_MEMORY_ALLOCATION_FAILURE
;
991 /***********************************************************************
992 * PdhRemoveCounter (PDH.@)
994 PDH_STATUS WINAPI
PdhRemoveCounter( PDH_HCOUNTER handle
)
996 struct counter
*counter
= handle
;
998 TRACE("%p\n", handle
);
1000 EnterCriticalSection( &pdh_handle_cs
);
1001 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
1003 LeaveCriticalSection( &pdh_handle_cs
);
1004 return PDH_INVALID_HANDLE
;
1007 list_remove( &counter
->entry
);
1008 destroy_counter( counter
);
1010 LeaveCriticalSection( &pdh_handle_cs
);
1011 return ERROR_SUCCESS
;
1014 /***********************************************************************
1015 * PdhSetCounterScaleFactor (PDH.@)
1017 PDH_STATUS WINAPI
PdhSetCounterScaleFactor( PDH_HCOUNTER handle
, LONG factor
)
1019 struct counter
*counter
= handle
;
1021 TRACE("%p\n", handle
);
1023 EnterCriticalSection( &pdh_handle_cs
);
1024 if (!counter
|| counter
->magic
!= PDH_MAGIC_COUNTER
)
1026 LeaveCriticalSection( &pdh_handle_cs
);
1027 return PDH_INVALID_HANDLE
;
1029 if (factor
< PDH_MIN_SCALE
|| factor
> PDH_MAX_SCALE
)
1031 LeaveCriticalSection( &pdh_handle_cs
);
1032 return PDH_INVALID_ARGUMENT
;
1035 counter
->scale
= factor
;
1037 LeaveCriticalSection( &pdh_handle_cs
);
1038 return ERROR_SUCCESS
;
1041 /***********************************************************************
1042 * PdhValidatePathA (PDH.@)
1044 PDH_STATUS WINAPI
PdhValidatePathA( LPCSTR path
)
1049 TRACE("%s\n", debugstr_a(path
));
1051 if (!path
) return PDH_INVALID_ARGUMENT
;
1052 if (!(pathW
= pdh_strdup_aw( path
))) return PDH_MEMORY_ALLOCATION_FAILURE
;
1054 ret
= PdhValidatePathW( pathW
);
1060 static PDH_STATUS
validate_path( LPCWSTR path
)
1062 if (!path
|| !*path
) return PDH_INVALID_ARGUMENT
;
1063 if (*path
++ != '\\' || !wcschr( path
, '\\' )) return PDH_CSTATUS_BAD_COUNTERNAME
;
1064 return ERROR_SUCCESS
;
1067 /***********************************************************************
1068 * PdhValidatePathW (PDH.@)
1070 PDH_STATUS WINAPI
PdhValidatePathW( LPCWSTR path
)
1075 TRACE("%s\n", debugstr_w(path
));
1077 if ((ret
= validate_path( path
))) return ret
;
1079 for (i
= 0; i
< ARRAY_SIZE(counter_sources
); i
++)
1080 if (pdh_match_path( counter_sources
[i
].path
, path
)) return ERROR_SUCCESS
;
1082 return PDH_CSTATUS_NO_COUNTER
;
1085 /***********************************************************************
1086 * PdhVbAddCounter (PDH.@)
1088 PDH_STATUS WINAPI
PdhVbAddCounter( PDH_HQUERY query
, LPCSTR path
, PDH_HCOUNTER
*counter
)
1090 FIXME("%p, %s, %p: stub!\n", query
, debugstr_a(path
), counter
);
1092 if (!path
) return PDH_INVALID_ARGUMENT
;
1094 return PDH_NOT_IMPLEMENTED
;
1097 /***********************************************************************
1098 * PdhValidatePathExA (PDH.@)
1100 PDH_STATUS WINAPI
PdhValidatePathExA( PDH_HLOG source
, LPCSTR path
)
1102 TRACE("%p %s\n", source
, debugstr_a(path
));
1106 FIXME("log file data source not supported\n");
1107 return ERROR_SUCCESS
;
1109 return PdhValidatePathA( path
);
1112 /***********************************************************************
1113 * PdhValidatePathExW (PDH.@)
1115 PDH_STATUS WINAPI
PdhValidatePathExW( PDH_HLOG source
, LPCWSTR path
)
1117 TRACE("%p %s\n", source
, debugstr_w(path
));
1121 FIXME("log file data source not supported\n");
1122 return ERROR_SUCCESS
;
1124 return PdhValidatePathW( path
);
1127 /***********************************************************************
1128 * PdhMakeCounterPathA (PDH.@)
1130 PDH_STATUS WINAPI
PdhMakeCounterPathA( PDH_COUNTER_PATH_ELEMENTS_A
*e
, LPSTR buffer
,
1131 LPDWORD buflen
, DWORD flags
)
1133 PDH_STATUS ret
= PDH_MEMORY_ALLOCATION_FAILURE
;
1134 PDH_COUNTER_PATH_ELEMENTS_W eW
;
1138 TRACE("%p %p %p 0x%08x\n", e
, buffer
, buflen
, flags
);
1140 if (!e
|| !buflen
) return PDH_INVALID_ARGUMENT
;
1142 memset( &eW
, 0, sizeof(eW
) );
1143 if (e
->szMachineName
&& !(eW
.szMachineName
= pdh_strdup_aw( e
->szMachineName
))) goto done
;
1144 if (e
->szObjectName
&& !(eW
.szObjectName
= pdh_strdup_aw( e
->szObjectName
))) goto done
;
1145 if (e
->szInstanceName
&& !(eW
.szInstanceName
= pdh_strdup_aw( e
->szInstanceName
))) goto done
;
1146 if (e
->szParentInstance
&& !(eW
.szParentInstance
= pdh_strdup_aw( e
->szParentInstance
))) goto done
;
1147 if (e
->szCounterName
&& !(eW
.szCounterName
= pdh_strdup_aw( e
->szCounterName
))) goto done
;
1148 eW
.dwInstanceIndex
= e
->dwInstanceIndex
;
1151 ret
= PdhMakeCounterPathW( &eW
, NULL
, &buflenW
, flags
);
1152 if (ret
== PDH_MORE_DATA
)
1154 if ((bufferW
= heap_alloc( buflenW
* sizeof(WCHAR
) )))
1156 if (!(ret
= PdhMakeCounterPathW( &eW
, bufferW
, &buflenW
, flags
)))
1158 int len
= WideCharToMultiByte(CP_ACP
, 0, bufferW
, -1, NULL
, 0, NULL
, NULL
);
1159 if (*buflen
>= len
) WideCharToMultiByte(CP_ACP
, 0, bufferW
, -1, buffer
, *buflen
, NULL
, NULL
);
1160 else ret
= PDH_MORE_DATA
;
1163 heap_free( bufferW
);
1166 ret
= PDH_MEMORY_ALLOCATION_FAILURE
;
1170 heap_free( eW
.szMachineName
);
1171 heap_free( eW
.szObjectName
);
1172 heap_free( eW
.szInstanceName
);
1173 heap_free( eW
.szParentInstance
);
1174 heap_free( eW
.szCounterName
);
1178 /***********************************************************************
1179 * PdhMakeCounterPathW (PDH.@)
1181 PDH_STATUS WINAPI
PdhMakeCounterPathW( PDH_COUNTER_PATH_ELEMENTS_W
*e
, LPWSTR buffer
,
1182 LPDWORD buflen
, DWORD flags
)
1184 static const WCHAR bslash
[] = {'\\',0};
1185 static const WCHAR fslash
[] = {'/',0};
1186 static const WCHAR lparen
[] = {'(',0};
1187 static const WCHAR rparen
[] = {')',0};
1188 static const WCHAR fmt
[] = {'#','%','u',0};
1190 WCHAR path
[PDH_MAX_COUNTER_NAME
], instance
[12];
1191 PDH_STATUS ret
= ERROR_SUCCESS
;
1194 TRACE("%p %p %p 0x%08x\n", e
, buffer
, buflen
, flags
);
1196 if (flags
) FIXME("unimplemented flags 0x%08x\n", flags
);
1198 if (!e
|| !e
->szCounterName
|| !e
->szObjectName
|| !buflen
)
1199 return PDH_INVALID_ARGUMENT
;
1202 if (e
->szMachineName
)
1204 lstrcatW(path
, bslash
);
1205 lstrcatW(path
, bslash
);
1206 lstrcatW(path
, e
->szMachineName
);
1208 lstrcatW(path
, bslash
);
1209 lstrcatW(path
, e
->szObjectName
);
1210 if (e
->szInstanceName
)
1212 lstrcatW(path
, lparen
);
1213 if (e
->szParentInstance
)
1215 lstrcatW(path
, e
->szParentInstance
);
1216 lstrcatW(path
, fslash
);
1218 lstrcatW(path
, e
->szInstanceName
);
1219 swprintf(instance
, ARRAY_SIZE(instance
), fmt
, e
->dwInstanceIndex
);
1220 lstrcatW(path
, instance
);
1221 lstrcatW(path
, rparen
);
1223 lstrcatW(path
, bslash
);
1224 lstrcatW(path
, e
->szCounterName
);
1226 len
= lstrlenW(path
) + 1;
1227 if (*buflen
>= len
) lstrcpyW(buffer
, path
);
1228 else ret
= PDH_MORE_DATA
;
1233 /***********************************************************************
1234 * PdhEnumObjectItemsA (PDH.@)
1236 PDH_STATUS WINAPI
PdhEnumObjectItemsA(LPCSTR szDataSource
, LPCSTR szMachineName
, LPCSTR szObjectName
,
1237 LPSTR mszCounterList
, LPDWORD pcchCounterListLength
, LPSTR mszInstanceList
,
1238 LPDWORD pcchInstanceListLength
, DWORD dwDetailLevel
, DWORD dwFlags
)
1240 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_a(szDataSource
), debugstr_a(szMachineName
),
1241 debugstr_a(szObjectName
), mszCounterList
, pcchCounterListLength
, mszInstanceList
,
1242 pcchInstanceListLength
, dwDetailLevel
, dwFlags
);
1244 return PDH_NOT_IMPLEMENTED
;
1247 /***********************************************************************
1248 * PdhEnumObjectItemsW (PDH.@)
1250 PDH_STATUS WINAPI
PdhEnumObjectItemsW(LPCWSTR szDataSource
, LPCWSTR szMachineName
, LPCWSTR szObjectName
,
1251 LPWSTR mszCounterList
, LPDWORD pcchCounterListLength
, LPWSTR mszInstanceList
,
1252 LPDWORD pcchInstanceListLength
, DWORD dwDetailLevel
, DWORD dwFlags
)
1254 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_w(szDataSource
), debugstr_w(szMachineName
),
1255 debugstr_w(szObjectName
), mszCounterList
, pcchCounterListLength
, mszInstanceList
,
1256 pcchInstanceListLength
, dwDetailLevel
, dwFlags
);
1258 return PDH_NOT_IMPLEMENTED
;
1261 /***********************************************************************
1262 * PdhSetDefaultRealTimeDataSource (PDH.@)
1264 PDH_STATUS WINAPI
PdhSetDefaultRealTimeDataSource( DWORD source
)
1266 FIXME("%u\n", source
);
1267 return ERROR_SUCCESS
;
1270 /***********************************************************************
1271 * PdhGetLogFileTypeA (PDH.@)
1273 PDH_STATUS WINAPI
PdhGetLogFileTypeA(const char *log
, DWORD
*type
)
1275 FIXME("%s, %p: stub\n", debugstr_a(log
), type
);
1276 return PDH_NOT_IMPLEMENTED
;
1279 /***********************************************************************
1280 * PdhGetLogFileTypeW (PDH.@)
1282 PDH_STATUS WINAPI
PdhGetLogFileTypeW(const WCHAR
*log
, DWORD
*type
)
1284 FIXME("%s, %p: stub\n", debugstr_w(log
), type
);
1285 return PDH_NOT_IMPLEMENTED
;
1288 /***********************************************************************
1289 * PdhBindInputDataSourceA (PDH.@)
1291 PDH_STATUS WINAPI
PdhBindInputDataSourceA(PDH_HLOG
*source
, const char *filenamelist
)
1293 FIXME("%p %s: stub\n", source
, debugstr_a(filenamelist
));
1294 return PDH_NOT_IMPLEMENTED
;
1297 /***********************************************************************
1298 * PdhBindInputDataSourceW (PDH.@)
1300 PDH_STATUS WINAPI
PdhBindInputDataSourceW(PDH_HLOG
*source
, const WCHAR
*filenamelist
)
1302 FIXME("%p %s: stub\n", source
, debugstr_w(filenamelist
));
1303 return PDH_NOT_IMPLEMENTED
;