wined3d: Pass a wined3d_device_context to wined3d_cs_emit_set_index_buffer().
[wine.git] / dlls / pdh / pdh_main.c
blob73d4fef2a14b96dd6439a512b346c83caafb409e
1 /*
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
22 #include <stdarg.h>
23 #include <math.h>
25 #define NONAMELESSUNION
27 #include "windef.h"
28 #include "winbase.h"
30 #include "pdh.h"
31 #include "pdhmsg.h"
32 #include "winperf.h"
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 =
43 0, 0, &pdh_handle_cs,
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 )
52 WCHAR *dst;
54 if (!src) return NULL;
55 if ((dst = heap_alloc( (lstrlenW( src ) + 1) * sizeof(WCHAR) ))) lstrcpyW( dst, src );
56 return dst;
59 static inline WCHAR *pdh_strdup_aw( const char *src )
61 int len;
62 WCHAR *dst;
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 );
67 return dst;
70 union value
72 LONG longvalue;
73 double doublevalue;
74 LONGLONG largevalue;
77 struct counter
79 DWORD magic; /* signature */
80 struct list entry; /* list entry */
81 WCHAR *path; /* identifier */
82 DWORD type; /* counter type */
83 DWORD status; /* update status */
84 LONG scale; /* scale factor */
85 LONG defaultscale; /* default scale factor */
86 DWORD_PTR user; /* user data */
87 DWORD_PTR queryuser; /* query user data */
88 LONGLONG base; /* samples per second */
89 FILETIME stamp; /* time stamp */
90 void (CALLBACK *collect)( struct counter * ); /* collect callback */
91 union value one; /* first value */
92 union value two; /* second value */
95 #define PDH_MAGIC_COUNTER 0x50444831 /* 'PDH1' */
97 static struct counter *create_counter( void )
99 struct counter *counter;
101 if ((counter = heap_alloc_zero( sizeof(struct counter) )))
103 counter->magic = PDH_MAGIC_COUNTER;
104 return counter;
106 return NULL;
109 static void destroy_counter( struct counter *counter )
111 counter->magic = 0;
112 heap_free( counter->path );
113 heap_free( counter );
116 #define PDH_MAGIC_QUERY 0x50444830 /* 'PDH0' */
118 struct query
120 DWORD magic; /* signature */
121 DWORD_PTR user; /* user data */
122 HANDLE thread; /* collect thread */
123 DWORD interval; /* collect interval */
124 HANDLE wait; /* wait event */
125 HANDLE stop; /* stop event */
126 struct list counters; /* counter list */
129 static struct query *create_query( void )
131 struct query *query;
133 if ((query = heap_alloc_zero( sizeof(struct query) )))
135 query->magic = PDH_MAGIC_QUERY;
136 list_init( &query->counters );
137 return query;
139 return NULL;
142 static void destroy_query( struct query *query )
144 query->magic = 0;
145 heap_free( query );
148 struct source
150 DWORD index; /* name index */
151 const WCHAR *path; /* identifier */
152 void (CALLBACK *collect)( struct counter * ); /* collect callback */
153 DWORD type; /* counter type */
154 LONG scale; /* default scale factor */
155 LONGLONG base; /* samples per second */
158 static void CALLBACK collect_processor_time( struct counter *counter )
160 counter->two.largevalue = 500000; /* FIXME */
161 counter->status = PDH_CSTATUS_VALID_DATA;
164 static void CALLBACK collect_uptime( struct counter *counter )
166 counter->two.largevalue = GetTickCount64();
167 counter->status = PDH_CSTATUS_VALID_DATA;
170 #define TYPE_PROCESSOR_TIME \
171 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | \
172 PERF_INVERSE_COUNTER | PERF_DISPLAY_PERCENT)
174 #define TYPE_UPTIME \
175 (PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_ELAPSED | PERF_OBJECT_TIMER | PERF_DISPLAY_SECONDS)
177 /* counter source registry */
178 static const struct source counter_sources[] =
180 { 6, L"\\Processor(_Total)\\% Processor Time", collect_processor_time, TYPE_PROCESSOR_TIME, -5, 10000000 },
181 { 674, L"\\System\\System Up Time", collect_uptime, TYPE_UPTIME, -3, 1000 }
184 static BOOL is_local_machine( const WCHAR *name, DWORD len )
186 WCHAR buf[MAX_COMPUTERNAME_LENGTH + 1];
187 DWORD buflen = ARRAY_SIZE(buf);
189 if (!GetComputerNameW( buf, &buflen )) return FALSE;
190 return len == buflen && !wcsnicmp( name, buf, buflen );
193 static BOOL pdh_match_path( LPCWSTR fullpath, LPCWSTR path )
195 const WCHAR *p;
197 if (path[0] == '\\' && path[1] == '\\' && (p = wcschr( path + 2, '\\' )) &&
198 is_local_machine( path + 2, p - path - 2 ))
200 path += p - path;
202 if (wcschr( path, '\\' )) p = fullpath;
203 else p = wcsrchr( fullpath, '\\' ) + 1;
204 return !wcscmp( p, path );
207 /***********************************************************************
208 * PdhAddCounterA (PDH.@)
210 PDH_STATUS WINAPI PdhAddCounterA( PDH_HQUERY query, LPCSTR path,
211 DWORD_PTR userdata, PDH_HCOUNTER *counter )
213 PDH_STATUS ret;
214 WCHAR *pathW;
216 TRACE("%p %s %lx %p\n", query, debugstr_a(path), userdata, counter);
218 if (!path) return PDH_INVALID_ARGUMENT;
220 if (!(pathW = pdh_strdup_aw( path )))
221 return PDH_MEMORY_ALLOCATION_FAILURE;
223 ret = PdhAddCounterW( query, pathW, userdata, counter );
225 heap_free( pathW );
226 return ret;
229 /***********************************************************************
230 * PdhAddCounterW (PDH.@)
232 PDH_STATUS WINAPI PdhAddCounterW( PDH_HQUERY hquery, LPCWSTR path,
233 DWORD_PTR userdata, PDH_HCOUNTER *hcounter )
235 struct query *query = hquery;
236 struct counter *counter;
237 unsigned int i;
239 TRACE("%p %s %lx %p\n", hquery, debugstr_w(path), userdata, hcounter);
241 if (!path || !hcounter) return PDH_INVALID_ARGUMENT;
243 EnterCriticalSection( &pdh_handle_cs );
244 if (!query || query->magic != PDH_MAGIC_QUERY)
246 LeaveCriticalSection( &pdh_handle_cs );
247 return PDH_INVALID_HANDLE;
250 *hcounter = NULL;
251 for (i = 0; i < ARRAY_SIZE(counter_sources); i++)
253 if (pdh_match_path( counter_sources[i].path, path ))
255 if ((counter = create_counter()))
257 counter->path = pdh_strdup( counter_sources[i].path );
258 counter->collect = counter_sources[i].collect;
259 counter->type = counter_sources[i].type;
260 counter->defaultscale = counter_sources[i].scale;
261 counter->base = counter_sources[i].base;
262 counter->queryuser = query->user;
263 counter->user = userdata;
265 list_add_tail( &query->counters, &counter->entry );
266 *hcounter = counter;
268 LeaveCriticalSection( &pdh_handle_cs );
269 return ERROR_SUCCESS;
271 LeaveCriticalSection( &pdh_handle_cs );
272 return PDH_MEMORY_ALLOCATION_FAILURE;
275 LeaveCriticalSection( &pdh_handle_cs );
276 return PDH_CSTATUS_NO_COUNTER;
279 /***********************************************************************
280 * PdhAddEnglishCounterA (PDH.@)
282 PDH_STATUS WINAPI PdhAddEnglishCounterA( PDH_HQUERY query, LPCSTR path,
283 DWORD_PTR userdata, PDH_HCOUNTER *counter )
285 TRACE("%p %s %lx %p\n", query, debugstr_a(path), userdata, counter);
287 if (!query) return PDH_INVALID_ARGUMENT;
288 return PdhAddCounterA( query, path, userdata, counter );
291 /***********************************************************************
292 * PdhAddEnglishCounterW (PDH.@)
294 PDH_STATUS WINAPI PdhAddEnglishCounterW( PDH_HQUERY query, LPCWSTR path,
295 DWORD_PTR userdata, PDH_HCOUNTER *counter )
297 TRACE("%p %s %lx %p\n", query, debugstr_w(path), userdata, counter);
299 if (!query) return PDH_INVALID_ARGUMENT;
300 return PdhAddCounterW( query, path, userdata, counter );
303 /* caller must hold counter lock */
304 static PDH_STATUS format_value( struct counter *counter, DWORD format, union value *raw1,
305 union value *raw2, PDH_FMT_COUNTERVALUE *value )
307 LONG factor;
309 factor = counter->scale ? counter->scale : counter->defaultscale;
310 if (format & PDH_FMT_LONG)
312 if (format & PDH_FMT_1000) value->u.longValue = raw2->longvalue * 1000;
313 else value->u.longValue = raw2->longvalue * pow( 10, factor );
315 else if (format & PDH_FMT_LARGE)
317 if (format & PDH_FMT_1000) value->u.largeValue = raw2->largevalue * 1000;
318 else value->u.largeValue = raw2->largevalue * pow( 10, factor );
320 else if (format & PDH_FMT_DOUBLE)
322 if (format & PDH_FMT_1000) value->u.doubleValue = raw2->doublevalue * 1000;
323 else value->u.doubleValue = raw2->doublevalue * pow( 10, factor );
325 else
327 WARN("unknown format %x\n", format);
328 return PDH_INVALID_ARGUMENT;
330 return ERROR_SUCCESS;
333 /***********************************************************************
334 * PdhCalculateCounterFromRawValue (PDH.@)
336 PDH_STATUS WINAPI PdhCalculateCounterFromRawValue( PDH_HCOUNTER handle, DWORD format,
337 PPDH_RAW_COUNTER raw1, PPDH_RAW_COUNTER raw2,
338 PPDH_FMT_COUNTERVALUE value )
340 PDH_STATUS ret;
341 struct counter *counter = handle;
343 TRACE("%p 0x%08x %p %p %p\n", handle, format, raw1, raw2, value);
345 if (!value) return PDH_INVALID_ARGUMENT;
347 EnterCriticalSection( &pdh_handle_cs );
348 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
350 LeaveCriticalSection( &pdh_handle_cs );
351 return PDH_INVALID_HANDLE;
354 ret = format_value( counter, format, (union value *)&raw1->SecondValue,
355 (union value *)&raw2->SecondValue, value );
357 LeaveCriticalSection( &pdh_handle_cs );
358 return ret;
362 /***********************************************************************
363 * PdhCloseQuery (PDH.@)
365 PDH_STATUS WINAPI PdhCloseQuery( PDH_HQUERY handle )
367 struct query *query = handle;
368 struct list *item, *next;
370 TRACE("%p\n", handle);
372 EnterCriticalSection( &pdh_handle_cs );
373 if (!query || query->magic != PDH_MAGIC_QUERY)
375 LeaveCriticalSection( &pdh_handle_cs );
376 return PDH_INVALID_HANDLE;
379 if (query->thread)
381 HANDLE thread = query->thread;
382 SetEvent( query->stop );
383 LeaveCriticalSection( &pdh_handle_cs );
385 WaitForSingleObject( thread, INFINITE );
387 EnterCriticalSection( &pdh_handle_cs );
388 if (query->magic != PDH_MAGIC_QUERY)
390 LeaveCriticalSection( &pdh_handle_cs );
391 return ERROR_SUCCESS;
393 CloseHandle( query->stop );
394 CloseHandle( query->thread );
395 query->thread = NULL;
398 LIST_FOR_EACH_SAFE( item, next, &query->counters )
400 struct counter *counter = LIST_ENTRY( item, struct counter, entry );
402 list_remove( &counter->entry );
403 destroy_counter( counter );
406 destroy_query( query );
408 LeaveCriticalSection( &pdh_handle_cs );
409 return ERROR_SUCCESS;
412 /* caller must hold query lock */
413 static void collect_query_data( struct query *query )
415 struct list *item;
417 LIST_FOR_EACH( item, &query->counters )
419 SYSTEMTIME time;
420 struct counter *counter = LIST_ENTRY( item, struct counter, entry );
422 counter->collect( counter );
424 GetLocalTime( &time );
425 SystemTimeToFileTime( &time, &counter->stamp );
429 /***********************************************************************
430 * PdhCollectQueryData (PDH.@)
432 PDH_STATUS WINAPI PdhCollectQueryData( PDH_HQUERY handle )
434 struct query *query = handle;
436 TRACE("%p\n", handle);
438 EnterCriticalSection( &pdh_handle_cs );
439 if (!query || query->magic != PDH_MAGIC_QUERY)
441 LeaveCriticalSection( &pdh_handle_cs );
442 return PDH_INVALID_HANDLE;
445 if (list_empty( &query->counters ))
447 LeaveCriticalSection( &pdh_handle_cs );
448 return PDH_NO_DATA;
451 collect_query_data( query );
453 LeaveCriticalSection( &pdh_handle_cs );
454 return ERROR_SUCCESS;
457 static DWORD CALLBACK collect_query_thread( void *arg )
459 struct query *query = arg;
460 DWORD interval = query->interval;
461 HANDLE stop = query->stop;
463 for (;;)
465 if (WaitForSingleObject( stop, interval ) != WAIT_TIMEOUT) ExitThread( 0 );
467 EnterCriticalSection( &pdh_handle_cs );
468 if (query->magic != PDH_MAGIC_QUERY)
470 LeaveCriticalSection( &pdh_handle_cs );
471 ExitThread( PDH_INVALID_HANDLE );
474 collect_query_data( query );
476 if (!SetEvent( query->wait ))
478 LeaveCriticalSection( &pdh_handle_cs );
479 ExitThread( 0 );
481 LeaveCriticalSection( &pdh_handle_cs );
485 /***********************************************************************
486 * PdhCollectQueryDataEx (PDH.@)
488 PDH_STATUS WINAPI PdhCollectQueryDataEx( PDH_HQUERY handle, DWORD interval, HANDLE event )
490 PDH_STATUS ret;
491 struct query *query = handle;
493 TRACE("%p %d %p\n", handle, interval, event);
495 EnterCriticalSection( &pdh_handle_cs );
496 if (!query || query->magic != PDH_MAGIC_QUERY)
498 LeaveCriticalSection( &pdh_handle_cs );
499 return PDH_INVALID_HANDLE;
501 if (list_empty( &query->counters ))
503 LeaveCriticalSection( &pdh_handle_cs );
504 return PDH_NO_DATA;
506 if (query->thread)
508 HANDLE thread = query->thread;
509 SetEvent( query->stop );
510 LeaveCriticalSection( &pdh_handle_cs );
512 WaitForSingleObject( thread, INFINITE );
514 EnterCriticalSection( &pdh_handle_cs );
515 if (query->magic != PDH_MAGIC_QUERY)
517 LeaveCriticalSection( &pdh_handle_cs );
518 return PDH_INVALID_HANDLE;
520 CloseHandle( query->thread );
521 query->thread = NULL;
523 else if (!(query->stop = CreateEventW( NULL, FALSE, FALSE, NULL )))
525 ret = GetLastError();
526 LeaveCriticalSection( &pdh_handle_cs );
527 return ret;
529 query->wait = event;
530 query->interval = interval * 1000;
531 if (!(query->thread = CreateThread( NULL, 0, collect_query_thread, query, 0, NULL )))
533 ret = GetLastError();
534 CloseHandle( query->stop );
536 LeaveCriticalSection( &pdh_handle_cs );
537 return ret;
540 LeaveCriticalSection( &pdh_handle_cs );
541 return ERROR_SUCCESS;
544 /***********************************************************************
545 * PdhCollectQueryDataWithTime (PDH.@)
547 PDH_STATUS WINAPI PdhCollectQueryDataWithTime( PDH_HQUERY handle, LONGLONG *timestamp )
549 struct query *query = handle;
550 struct counter *counter;
551 struct list *item;
553 TRACE("%p %p\n", handle, timestamp);
555 if (!timestamp) return PDH_INVALID_ARGUMENT;
557 EnterCriticalSection( &pdh_handle_cs );
558 if (!query || query->magic != PDH_MAGIC_QUERY)
560 LeaveCriticalSection( &pdh_handle_cs );
561 return PDH_INVALID_HANDLE;
563 if (list_empty( &query->counters ))
565 LeaveCriticalSection( &pdh_handle_cs );
566 return PDH_NO_DATA;
569 collect_query_data( query );
571 item = list_head( &query->counters );
572 counter = LIST_ENTRY( item, struct counter, entry );
574 *timestamp = ((LONGLONG)counter->stamp.dwHighDateTime << 32) | counter->stamp.dwLowDateTime;
576 LeaveCriticalSection( &pdh_handle_cs );
577 return ERROR_SUCCESS;
580 /***********************************************************************
581 * PdhExpandWildCardPathA (PDH.@)
583 PDH_STATUS WINAPI PdhExpandWildCardPathA( LPCSTR szDataSource, LPCSTR szWildCardPath, LPSTR mszExpandedPathList, LPDWORD pcchPathListLength, DWORD dwFlags )
585 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_a(szDataSource), debugstr_a(szWildCardPath), mszExpandedPathList, pcchPathListLength, dwFlags);
586 return PDH_NOT_IMPLEMENTED;
589 /***********************************************************************
590 * PdhExpandWildCardPathW (PDH.@)
592 PDH_STATUS WINAPI PdhExpandWildCardPathW( LPCWSTR szDataSource, LPCWSTR szWildCardPath, LPWSTR mszExpandedPathList, LPDWORD pcchPathListLength, DWORD dwFlags )
594 FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_w(szDataSource), debugstr_w(szWildCardPath), mszExpandedPathList, pcchPathListLength, dwFlags);
595 return PDH_NOT_IMPLEMENTED;
598 /***********************************************************************
599 * PdhExpandCounterPathA (PDH.@)
601 PDH_STATUS WINAPI PdhExpandCounterPathA( LPCSTR szWildCardPath, LPSTR mszExpandedPathList, LPDWORD pcchPathListLength )
603 FIXME("%s, %p, %p: stub\n", debugstr_a(szWildCardPath), mszExpandedPathList, pcchPathListLength);
604 return PdhExpandWildCardPathA(NULL, szWildCardPath, mszExpandedPathList, pcchPathListLength, 0);
607 /***********************************************************************
608 * PdhExpandCounterPathW (PDH.@)
610 PDH_STATUS WINAPI PdhExpandCounterPathW( LPCWSTR szWildCardPath, LPWSTR mszExpandedPathList, LPDWORD pcchPathListLength )
612 FIXME("%s, %p, %p: stub\n", debugstr_w(szWildCardPath), mszExpandedPathList, pcchPathListLength);
613 return PdhExpandWildCardPathW(NULL, szWildCardPath, mszExpandedPathList, pcchPathListLength, 0);
616 /***********************************************************************
617 * PdhGetCounterInfoA (PDH.@)
619 PDH_STATUS WINAPI PdhGetCounterInfoA( PDH_HCOUNTER handle, BOOLEAN text, LPDWORD size, PPDH_COUNTER_INFO_A info )
621 struct counter *counter = handle;
623 TRACE("%p %d %p %p\n", handle, text, size, info);
625 EnterCriticalSection( &pdh_handle_cs );
626 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
628 LeaveCriticalSection( &pdh_handle_cs );
629 return PDH_INVALID_HANDLE;
631 if (!size)
633 LeaveCriticalSection( &pdh_handle_cs );
634 return PDH_INVALID_ARGUMENT;
636 if (*size < sizeof(PDH_COUNTER_INFO_A))
638 *size = sizeof(PDH_COUNTER_INFO_A);
639 LeaveCriticalSection( &pdh_handle_cs );
640 return PDH_MORE_DATA;
643 memset( info, 0, sizeof(PDH_COUNTER_INFO_A) );
645 info->dwType = counter->type;
646 info->CStatus = counter->status;
647 info->lScale = counter->scale;
648 info->lDefaultScale = counter->defaultscale;
649 info->dwUserData = counter->user;
650 info->dwQueryUserData = counter->queryuser;
652 *size = sizeof(PDH_COUNTER_INFO_A);
654 LeaveCriticalSection( &pdh_handle_cs );
655 return ERROR_SUCCESS;
658 /***********************************************************************
659 * PdhGetCounterInfoW (PDH.@)
661 PDH_STATUS WINAPI PdhGetCounterInfoW( PDH_HCOUNTER handle, BOOLEAN text, LPDWORD size, PPDH_COUNTER_INFO_W info )
663 struct counter *counter = handle;
665 TRACE("%p %d %p %p\n", handle, text, size, info);
667 EnterCriticalSection( &pdh_handle_cs );
668 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
670 LeaveCriticalSection( &pdh_handle_cs );
671 return PDH_INVALID_HANDLE;
673 if (!size)
675 LeaveCriticalSection( &pdh_handle_cs );
676 return PDH_INVALID_ARGUMENT;
678 if (*size < sizeof(PDH_COUNTER_INFO_W))
680 *size = sizeof(PDH_COUNTER_INFO_W);
681 LeaveCriticalSection( &pdh_handle_cs );
682 return PDH_MORE_DATA;
685 memset( info, 0, sizeof(PDH_COUNTER_INFO_W) );
687 info->dwType = counter->type;
688 info->CStatus = counter->status;
689 info->lScale = counter->scale;
690 info->lDefaultScale = counter->defaultscale;
691 info->dwUserData = counter->user;
692 info->dwQueryUserData = counter->queryuser;
694 *size = sizeof(PDH_COUNTER_INFO_W);
696 LeaveCriticalSection( &pdh_handle_cs );
697 return ERROR_SUCCESS;
700 /***********************************************************************
701 * PdhGetCounterTimeBase (PDH.@)
703 PDH_STATUS WINAPI PdhGetCounterTimeBase( PDH_HCOUNTER handle, LONGLONG *base )
705 struct counter *counter = handle;
707 TRACE("%p %p\n", handle, base);
709 if (!base) return PDH_INVALID_ARGUMENT;
711 EnterCriticalSection( &pdh_handle_cs );
712 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
714 LeaveCriticalSection( &pdh_handle_cs );
715 return PDH_INVALID_HANDLE;
718 *base = counter->base;
720 LeaveCriticalSection( &pdh_handle_cs );
721 return ERROR_SUCCESS;
724 /***********************************************************************
725 * PdhGetDllVersion (PDH.@)
727 PDH_STATUS WINAPI PdhGetDllVersion( LPDWORD version )
729 if (!version)
730 return PDH_INVALID_ARGUMENT;
732 *version = PDH_VERSION;
734 return ERROR_SUCCESS;
737 /***********************************************************************
738 * PdhGetFormattedCounterValue (PDH.@)
740 PDH_STATUS WINAPI PdhGetFormattedCounterValue( PDH_HCOUNTER handle, DWORD format,
741 LPDWORD type, PPDH_FMT_COUNTERVALUE value )
743 PDH_STATUS ret;
744 struct counter *counter = handle;
746 TRACE("%p %x %p %p\n", handle, format, type, value);
748 if (!value) return PDH_INVALID_ARGUMENT;
750 EnterCriticalSection( &pdh_handle_cs );
751 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
753 LeaveCriticalSection( &pdh_handle_cs );
754 return PDH_INVALID_HANDLE;
756 if (counter->status)
758 LeaveCriticalSection( &pdh_handle_cs );
759 return PDH_INVALID_DATA;
761 if (!(ret = format_value( counter, format, &counter->one, &counter->two, value )))
763 value->CStatus = ERROR_SUCCESS;
764 if (type) *type = counter->type;
767 LeaveCriticalSection( &pdh_handle_cs );
768 return ret;
771 /***********************************************************************
772 * PdhGetRawCounterValue (PDH.@)
774 PDH_STATUS WINAPI PdhGetRawCounterValue( PDH_HCOUNTER handle, LPDWORD type,
775 PPDH_RAW_COUNTER value )
777 struct counter *counter = handle;
779 TRACE("%p %p %p\n", handle, type, value);
781 if (!value) return PDH_INVALID_ARGUMENT;
783 EnterCriticalSection( &pdh_handle_cs );
784 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
786 LeaveCriticalSection( &pdh_handle_cs );
787 return PDH_INVALID_HANDLE;
790 value->CStatus = counter->status;
791 value->TimeStamp.dwLowDateTime = counter->stamp.dwLowDateTime;
792 value->TimeStamp.dwHighDateTime = counter->stamp.dwHighDateTime;
793 value->FirstValue = counter->one.largevalue;
794 value->SecondValue = counter->two.largevalue;
795 value->MultiCount = 1; /* FIXME */
797 if (type) *type = counter->type;
799 LeaveCriticalSection( &pdh_handle_cs );
800 return ERROR_SUCCESS;
803 /***********************************************************************
804 * PdhLookupPerfIndexByNameA (PDH.@)
806 PDH_STATUS WINAPI PdhLookupPerfIndexByNameA( LPCSTR machine, LPCSTR name, LPDWORD index )
808 PDH_STATUS ret;
809 WCHAR *machineW = NULL;
810 WCHAR *nameW;
812 TRACE("%s %s %p\n", debugstr_a(machine), debugstr_a(name), index);
814 if (!name) return PDH_INVALID_ARGUMENT;
816 if (machine && !(machineW = pdh_strdup_aw( machine ))) return PDH_MEMORY_ALLOCATION_FAILURE;
818 if (!(nameW = pdh_strdup_aw( name )))
819 return PDH_MEMORY_ALLOCATION_FAILURE;
821 ret = PdhLookupPerfIndexByNameW( machineW, nameW, index );
823 heap_free( nameW );
824 heap_free( machineW );
825 return ret;
828 /***********************************************************************
829 * PdhLookupPerfIndexByNameW (PDH.@)
831 PDH_STATUS WINAPI PdhLookupPerfIndexByNameW( LPCWSTR machine, LPCWSTR name, LPDWORD index )
833 unsigned int i;
835 TRACE("%s %s %p\n", debugstr_w(machine), debugstr_w(name), index);
837 if (!name || !index) return PDH_INVALID_ARGUMENT;
839 if (machine)
841 FIXME("remote machine not supported\n");
842 return PDH_CSTATUS_NO_MACHINE;
844 for (i = 0; i < ARRAY_SIZE(counter_sources); i++)
846 if (pdh_match_path( counter_sources[i].path, name ))
848 *index = counter_sources[i].index;
849 return ERROR_SUCCESS;
852 return PDH_STRING_NOT_FOUND;
855 /***********************************************************************
856 * PdhLookupPerfNameByIndexA (PDH.@)
858 PDH_STATUS WINAPI PdhLookupPerfNameByIndexA( LPCSTR machine, DWORD index, LPSTR buffer, LPDWORD size )
860 PDH_STATUS ret;
861 WCHAR *machineW = NULL;
862 WCHAR bufferW[PDH_MAX_COUNTER_NAME];
863 DWORD sizeW = ARRAY_SIZE(bufferW);
865 TRACE("%s %d %p %p\n", debugstr_a(machine), index, buffer, size);
867 if (!buffer || !size) return PDH_INVALID_ARGUMENT;
869 if (machine && !(machineW = pdh_strdup_aw( machine ))) return PDH_MEMORY_ALLOCATION_FAILURE;
871 if (!(ret = PdhLookupPerfNameByIndexW( machineW, index, bufferW, &sizeW )))
873 int required = WideCharToMultiByte( CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL );
875 if (*size < required) ret = PDH_MORE_DATA;
876 else WideCharToMultiByte( CP_ACP, 0, bufferW, -1, buffer, required, NULL, NULL );
877 *size = required;
879 heap_free( machineW );
880 return ret;
883 /***********************************************************************
884 * PdhLookupPerfNameByIndexW (PDH.@)
886 PDH_STATUS WINAPI PdhLookupPerfNameByIndexW( LPCWSTR machine, DWORD index, LPWSTR buffer, LPDWORD size )
888 PDH_STATUS ret;
889 unsigned int i;
891 TRACE("%s %d %p %p\n", debugstr_w(machine), index, buffer, size);
893 if (machine)
895 FIXME("remote machine not supported\n");
896 return PDH_CSTATUS_NO_MACHINE;
899 if (!buffer || !size) return PDH_INVALID_ARGUMENT;
900 if (!index) return ERROR_SUCCESS;
902 for (i = 0; i < ARRAY_SIZE(counter_sources); i++)
904 if (counter_sources[i].index == index)
906 WCHAR *p = wcsrchr( counter_sources[i].path, '\\' ) + 1;
907 unsigned int required = lstrlenW( p ) + 1;
909 if (*size < required) ret = PDH_MORE_DATA;
910 else
912 lstrcpyW( buffer, p );
913 ret = ERROR_SUCCESS;
915 *size = required;
916 return ret;
919 return PDH_INVALID_ARGUMENT;
922 /***********************************************************************
923 * PdhOpenQueryA (PDH.@)
925 PDH_STATUS WINAPI PdhOpenQueryA( LPCSTR source, DWORD_PTR userdata, PDH_HQUERY *query )
927 PDH_STATUS ret;
928 WCHAR *sourceW = NULL;
930 TRACE("%s %lx %p\n", debugstr_a(source), userdata, query);
932 if (source && !(sourceW = pdh_strdup_aw( source ))) return PDH_MEMORY_ALLOCATION_FAILURE;
934 ret = PdhOpenQueryW( sourceW, userdata, query );
935 heap_free( sourceW );
937 return ret;
940 /***********************************************************************
941 * PdhOpenQueryW (PDH.@)
943 PDH_STATUS WINAPI PdhOpenQueryW( LPCWSTR source, DWORD_PTR userdata, PDH_HQUERY *handle )
945 struct query *query;
947 TRACE("%s %lx %p\n", debugstr_w(source), userdata, handle);
949 if (!handle) return PDH_INVALID_ARGUMENT;
951 if (source)
953 FIXME("log file data source not supported\n");
954 return PDH_INVALID_ARGUMENT;
956 if ((query = create_query()))
958 query->user = userdata;
959 *handle = query;
961 return ERROR_SUCCESS;
963 return PDH_MEMORY_ALLOCATION_FAILURE;
966 /***********************************************************************
967 * PdhRemoveCounter (PDH.@)
969 PDH_STATUS WINAPI PdhRemoveCounter( PDH_HCOUNTER handle )
971 struct counter *counter = handle;
973 TRACE("%p\n", handle);
975 EnterCriticalSection( &pdh_handle_cs );
976 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
978 LeaveCriticalSection( &pdh_handle_cs );
979 return PDH_INVALID_HANDLE;
982 list_remove( &counter->entry );
983 destroy_counter( counter );
985 LeaveCriticalSection( &pdh_handle_cs );
986 return ERROR_SUCCESS;
989 /***********************************************************************
990 * PdhSetCounterScaleFactor (PDH.@)
992 PDH_STATUS WINAPI PdhSetCounterScaleFactor( PDH_HCOUNTER handle, LONG factor )
994 struct counter *counter = handle;
996 TRACE("%p\n", handle);
998 EnterCriticalSection( &pdh_handle_cs );
999 if (!counter || counter->magic != PDH_MAGIC_COUNTER)
1001 LeaveCriticalSection( &pdh_handle_cs );
1002 return PDH_INVALID_HANDLE;
1004 if (factor < PDH_MIN_SCALE || factor > PDH_MAX_SCALE)
1006 LeaveCriticalSection( &pdh_handle_cs );
1007 return PDH_INVALID_ARGUMENT;
1010 counter->scale = factor;
1012 LeaveCriticalSection( &pdh_handle_cs );
1013 return ERROR_SUCCESS;
1016 /***********************************************************************
1017 * PdhValidatePathA (PDH.@)
1019 PDH_STATUS WINAPI PdhValidatePathA( LPCSTR path )
1021 PDH_STATUS ret;
1022 WCHAR *pathW;
1024 TRACE("%s\n", debugstr_a(path));
1026 if (!path) return PDH_INVALID_ARGUMENT;
1027 if (!(pathW = pdh_strdup_aw( path ))) return PDH_MEMORY_ALLOCATION_FAILURE;
1029 ret = PdhValidatePathW( pathW );
1031 heap_free( pathW );
1032 return ret;
1035 static PDH_STATUS validate_path( LPCWSTR path )
1037 if (!path || !*path) return PDH_INVALID_ARGUMENT;
1038 if (*path++ != '\\' || !wcschr( path, '\\' )) return PDH_CSTATUS_BAD_COUNTERNAME;
1039 return ERROR_SUCCESS;
1042 /***********************************************************************
1043 * PdhValidatePathW (PDH.@)
1045 PDH_STATUS WINAPI PdhValidatePathW( LPCWSTR path )
1047 PDH_STATUS ret;
1048 unsigned int i;
1050 TRACE("%s\n", debugstr_w(path));
1052 if ((ret = validate_path( path ))) return ret;
1054 for (i = 0; i < ARRAY_SIZE(counter_sources); i++)
1055 if (pdh_match_path( counter_sources[i].path, path )) return ERROR_SUCCESS;
1057 return PDH_CSTATUS_NO_COUNTER;
1060 /***********************************************************************
1061 * PdhVbAddCounter (PDH.@)
1063 PDH_STATUS WINAPI PdhVbAddCounter( PDH_HQUERY query, LPCSTR path, PDH_HCOUNTER *counter )
1065 FIXME("%p, %s, %p: stub!\n", query, debugstr_a(path), counter);
1067 if (!path) return PDH_INVALID_ARGUMENT;
1069 return PDH_NOT_IMPLEMENTED;
1072 /***********************************************************************
1073 * PdhValidatePathExA (PDH.@)
1075 PDH_STATUS WINAPI PdhValidatePathExA( PDH_HLOG source, LPCSTR path )
1077 TRACE("%p %s\n", source, debugstr_a(path));
1079 if (source)
1081 FIXME("log file data source not supported\n");
1082 return ERROR_SUCCESS;
1084 return PdhValidatePathA( path );
1087 /***********************************************************************
1088 * PdhValidatePathExW (PDH.@)
1090 PDH_STATUS WINAPI PdhValidatePathExW( PDH_HLOG source, LPCWSTR path )
1092 TRACE("%p %s\n", source, debugstr_w(path));
1094 if (source)
1096 FIXME("log file data source not supported\n");
1097 return ERROR_SUCCESS;
1099 return PdhValidatePathW( path );
1102 /***********************************************************************
1103 * PdhMakeCounterPathA (PDH.@)
1105 PDH_STATUS WINAPI PdhMakeCounterPathA( PDH_COUNTER_PATH_ELEMENTS_A *e, LPSTR buffer,
1106 LPDWORD buflen, DWORD flags )
1108 PDH_STATUS ret = PDH_MEMORY_ALLOCATION_FAILURE;
1109 PDH_COUNTER_PATH_ELEMENTS_W eW;
1110 WCHAR *bufferW;
1111 DWORD buflenW;
1113 TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
1115 if (!e || !buflen) return PDH_INVALID_ARGUMENT;
1117 memset( &eW, 0, sizeof(eW) );
1118 if (e->szMachineName && !(eW.szMachineName = pdh_strdup_aw( e->szMachineName ))) goto done;
1119 if (e->szObjectName && !(eW.szObjectName = pdh_strdup_aw( e->szObjectName ))) goto done;
1120 if (e->szInstanceName && !(eW.szInstanceName = pdh_strdup_aw( e->szInstanceName ))) goto done;
1121 if (e->szParentInstance && !(eW.szParentInstance = pdh_strdup_aw( e->szParentInstance ))) goto done;
1122 if (e->szCounterName && !(eW.szCounterName = pdh_strdup_aw( e->szCounterName ))) goto done;
1123 eW.dwInstanceIndex = e->dwInstanceIndex;
1125 buflenW = 0;
1126 ret = PdhMakeCounterPathW( &eW, NULL, &buflenW, flags );
1127 if (ret == PDH_MORE_DATA)
1129 if ((bufferW = heap_alloc( buflenW * sizeof(WCHAR) )))
1131 if (!(ret = PdhMakeCounterPathW( &eW, bufferW, &buflenW, flags )))
1133 int len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
1134 if (*buflen >= len) WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, *buflen, NULL, NULL);
1135 else ret = PDH_MORE_DATA;
1136 *buflen = len;
1138 heap_free( bufferW );
1140 else
1141 ret = PDH_MEMORY_ALLOCATION_FAILURE;
1144 done:
1145 heap_free( eW.szMachineName );
1146 heap_free( eW.szObjectName );
1147 heap_free( eW.szInstanceName );
1148 heap_free( eW.szParentInstance );
1149 heap_free( eW.szCounterName );
1150 return ret;
1153 /***********************************************************************
1154 * PdhMakeCounterPathW (PDH.@)
1156 PDH_STATUS WINAPI PdhMakeCounterPathW( PDH_COUNTER_PATH_ELEMENTS_W *e, LPWSTR buffer,
1157 LPDWORD buflen, DWORD flags )
1159 WCHAR path[PDH_MAX_COUNTER_NAME], instance[12];
1160 PDH_STATUS ret = ERROR_SUCCESS;
1161 DWORD len;
1163 TRACE("%p %p %p 0x%08x\n", e, buffer, buflen, flags);
1165 if (flags) FIXME("unimplemented flags 0x%08x\n", flags);
1167 if (!e || !e->szCounterName || !e->szObjectName || !buflen)
1168 return PDH_INVALID_ARGUMENT;
1170 path[0] = 0;
1171 if (e->szMachineName)
1173 lstrcatW(path, L"\\\\");
1174 lstrcatW(path, e->szMachineName);
1176 lstrcatW(path, L"\\");
1177 lstrcatW(path, e->szObjectName);
1178 if (e->szInstanceName)
1180 lstrcatW(path, L"(");
1181 if (e->szParentInstance)
1183 lstrcatW(path, e->szParentInstance);
1184 lstrcatW(path, L"/");
1186 lstrcatW(path, e->szInstanceName);
1187 swprintf(instance, ARRAY_SIZE(instance), L"#%u", e->dwInstanceIndex);
1188 lstrcatW(path, instance);
1189 lstrcatW(path, L")");
1191 lstrcatW(path, L"\\");
1192 lstrcatW(path, e->szCounterName);
1194 len = lstrlenW(path) + 1;
1195 if (*buflen >= len) lstrcpyW(buffer, path);
1196 else ret = PDH_MORE_DATA;
1197 *buflen = len;
1198 return ret;
1201 /***********************************************************************
1202 * PdhEnumObjectItemsA (PDH.@)
1204 PDH_STATUS WINAPI PdhEnumObjectItemsA(LPCSTR szDataSource, LPCSTR szMachineName, LPCSTR szObjectName,
1205 LPSTR mszCounterList, LPDWORD pcchCounterListLength, LPSTR mszInstanceList,
1206 LPDWORD pcchInstanceListLength, DWORD dwDetailLevel, DWORD dwFlags)
1208 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_a(szDataSource), debugstr_a(szMachineName),
1209 debugstr_a(szObjectName), mszCounterList, pcchCounterListLength, mszInstanceList,
1210 pcchInstanceListLength, dwDetailLevel, dwFlags);
1212 return PDH_NOT_IMPLEMENTED;
1215 /***********************************************************************
1216 * PdhEnumObjectItemsW (PDH.@)
1218 PDH_STATUS WINAPI PdhEnumObjectItemsW(LPCWSTR szDataSource, LPCWSTR szMachineName, LPCWSTR szObjectName,
1219 LPWSTR mszCounterList, LPDWORD pcchCounterListLength, LPWSTR mszInstanceList,
1220 LPDWORD pcchInstanceListLength, DWORD dwDetailLevel, DWORD dwFlags)
1222 FIXME("%s, %s, %s, %p, %p, %p, %p, %d, 0x%x: stub\n", debugstr_w(szDataSource), debugstr_w(szMachineName),
1223 debugstr_w(szObjectName), mszCounterList, pcchCounterListLength, mszInstanceList,
1224 pcchInstanceListLength, dwDetailLevel, dwFlags);
1226 return PDH_NOT_IMPLEMENTED;
1229 /***********************************************************************
1230 * PdhSetDefaultRealTimeDataSource (PDH.@)
1232 PDH_STATUS WINAPI PdhSetDefaultRealTimeDataSource( DWORD source )
1234 FIXME("%u\n", source);
1235 return ERROR_SUCCESS;
1238 /***********************************************************************
1239 * PdhGetLogFileTypeA (PDH.@)
1241 PDH_STATUS WINAPI PdhGetLogFileTypeA(const char *log, DWORD *type)
1243 FIXME("%s, %p: stub\n", debugstr_a(log), type);
1244 return PDH_NOT_IMPLEMENTED;
1247 /***********************************************************************
1248 * PdhGetLogFileTypeW (PDH.@)
1250 PDH_STATUS WINAPI PdhGetLogFileTypeW(const WCHAR *log, DWORD *type)
1252 FIXME("%s, %p: stub\n", debugstr_w(log), type);
1253 return PDH_NOT_IMPLEMENTED;
1256 /***********************************************************************
1257 * PdhBindInputDataSourceA (PDH.@)
1259 PDH_STATUS WINAPI PdhBindInputDataSourceA(PDH_HLOG *source, const char *filenamelist)
1261 FIXME("%p %s: stub\n", source, debugstr_a(filenamelist));
1262 return PDH_NOT_IMPLEMENTED;
1265 /***********************************************************************
1266 * PdhBindInputDataSourceW (PDH.@)
1268 PDH_STATUS WINAPI PdhBindInputDataSourceW(PDH_HLOG *source, const WCHAR *filenamelist)
1270 FIXME("%p %s: stub\n", source, debugstr_w(filenamelist));
1271 return PDH_NOT_IMPLEMENTED;