1058 lines
30 KiB
C
1058 lines
30 KiB
C
/*
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* Performance Data Helper (pdh.dll)
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*
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* Copyright 2007 Andrey Turkin
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* Copyright 2007 Hans Leidekker
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <math.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "pdh.h"
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#include "pdhmsg.h"
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#include "winperf.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(pdh);
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static CRITICAL_SECTION pdh_handle_cs;
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static CRITICAL_SECTION_DEBUG pdh_handle_cs_debug =
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{
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0, 0, &pdh_handle_cs,
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{ &pdh_handle_cs_debug.ProcessLocksList,
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&pdh_handle_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": pdh_handle_cs") }
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};
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static CRITICAL_SECTION pdh_handle_cs = { &pdh_handle_cs_debug, -1, 0, 0, 0, 0 };
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static inline void *pdh_alloc( SIZE_T size )
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{
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return HeapAlloc( GetProcessHeap(), 0, size );
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}
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static inline void *pdh_alloc_zero( SIZE_T size )
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{
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return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
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}
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static inline void pdh_free( LPVOID mem )
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{
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HeapFree( GetProcessHeap(), 0, mem );
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}
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static inline WCHAR *pdh_strdup( const WCHAR *src )
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{
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WCHAR *dst;
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if (!src) return NULL;
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if ((dst = pdh_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) ))) strcpyW( dst, src );
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return dst;
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}
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static inline WCHAR *pdh_strdup_aw( const char *src )
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{
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int len;
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WCHAR *dst;
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if (!src) return NULL;
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len = MultiByteToWideChar( CP_ACP, 0, src, -1, NULL, 0 );
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if ((dst = pdh_alloc( len * sizeof(WCHAR) ))) MultiByteToWideChar( CP_ACP, 0, src, -1, dst, len );
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return dst;
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}
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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TRACE("(0x%p, %d, %p)\n",hinstDLL,fdwReason,lpvReserved);
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if (fdwReason == DLL_WINE_PREATTACH) return FALSE; /* prefer native version */
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if (fdwReason == DLL_PROCESS_ATTACH)
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{
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DisableThreadLibraryCalls( hinstDLL );
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}
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return TRUE;
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}
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union value
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{
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LONG longvalue;
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double doublevalue;
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LONGLONG largevalue;
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};
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struct counter
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{
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DWORD magic; /* signature */
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struct list entry; /* list entry */
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WCHAR *path; /* identifier */
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DWORD type; /* counter type */
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DWORD status; /* update status */
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LONG scale; /* scale factor */
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LONG defaultscale; /* default scale factor */
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DWORD_PTR user; /* user data */
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DWORD_PTR queryuser; /* query user data */
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LONGLONG base; /* samples per second */
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FILETIME stamp; /* time stamp */
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void (CALLBACK *collect)( struct counter * ); /* collect callback */
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union value one; /* first value */
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union value two; /* second value */
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};
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#define PDH_MAGIC_COUNTER 0x50444831 /* 'PDH1' */
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static struct counter *create_counter( void )
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{
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struct counter *counter;
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if ((counter = pdh_alloc_zero( sizeof(struct counter) )))
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{
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counter->magic = PDH_MAGIC_COUNTER;
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return counter;
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}
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return NULL;
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}
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static void destroy_counter( struct counter *counter )
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{
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counter->magic = 0;
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pdh_free( counter->path );
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pdh_free( counter );
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}
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#define PDH_MAGIC_QUERY 0x50444830 /* 'PDH0' */
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struct query
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{
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DWORD magic; /* signature */
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DWORD_PTR user; /* user data */
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HANDLE thread; /* collect thread */
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DWORD interval; /* collect interval */
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HANDLE wait; /* wait event */
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HANDLE stop; /* stop event */
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struct list counters; /* counter list */
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};
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static struct query *create_query( void )
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{
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struct query *query;
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if ((query = pdh_alloc_zero( sizeof(struct query) )))
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{
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query->magic = PDH_MAGIC_QUERY;
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list_init( &query->counters );
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return query;
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}
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return NULL;
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}
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static void destroy_query( struct query *query )
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{
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query->magic = 0;
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pdh_free( query );
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}
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struct source
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{
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DWORD index; /* name index */
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const WCHAR *path; /* identifier */
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void (CALLBACK *collect)( struct counter * ); /* collect callback */
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DWORD type; /* counter type */
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LONG scale; /* default scale factor */
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LONGLONG base; /* samples per second */
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};
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static const WCHAR path_processor_time[] =
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{'\\','P','r','o','c','e','s','s','o','r','(','_','T','o','t','a','l',')',
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'\\','%',' ','P','r','o','c','e','s','s','o','r',' ','T','i','m','e',0};
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static const WCHAR path_uptime[] =
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{'\\','S','y','s','t','e','m', '\\', 'S','y','s','t','e','m',' ','U','p',' ','T','i','m','e',0};
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static void CALLBACK collect_processor_time( struct counter *counter )
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{
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counter->two.largevalue = 500000; /* FIXME */
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counter->status = PDH_CSTATUS_VALID_DATA;
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}
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static void CALLBACK collect_uptime( struct counter *counter )
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{
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counter->two.largevalue = GetTickCount64();
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counter->status = PDH_CSTATUS_VALID_DATA;
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}
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#define TYPE_PROCESSOR_TIME \
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(PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | \
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PERF_INVERSE_COUNTER | PERF_DISPLAY_PERCENT)
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#define TYPE_UPTIME \
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(PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_ELAPSED | PERF_OBJECT_TIMER | PERF_DISPLAY_SECONDS)
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/* counter source registry */
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static const struct source counter_sources[] =
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{
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{ 6, path_processor_time, collect_processor_time, TYPE_PROCESSOR_TIME, -5, 10000000 },
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{ 674, path_uptime, collect_uptime, TYPE_UPTIME, -3, 1000 }
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};
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static BOOL pdh_match_path( LPCWSTR fullpath, LPCWSTR path )
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{
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const WCHAR *p;
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if (strchrW( path, '\\')) p = fullpath;
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else p = strrchrW( fullpath, '\\' ) + 1;
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if (strcmpW( p, path )) return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* PdhAddCounterA (PDH.@)
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*/
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PDH_STATUS WINAPI PdhAddCounterA( PDH_HQUERY query, LPCSTR path,
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DWORD_PTR userdata, PDH_HCOUNTER *counter )
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{
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PDH_STATUS ret;
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WCHAR *pathW;
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TRACE("%p %s %lx %p\n", query, debugstr_a(path), userdata, counter);
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if (!path) return PDH_INVALID_ARGUMENT;
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if (!(pathW = pdh_strdup_aw( path )))
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return PDH_MEMORY_ALLOCATION_FAILURE;
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ret = PdhAddCounterW( query, pathW, userdata, counter );
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pdh_free( pathW );
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return ret;
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}
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/***********************************************************************
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* PdhAddCounterW (PDH.@)
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*/
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PDH_STATUS WINAPI PdhAddCounterW( PDH_HQUERY hquery, LPCWSTR path,
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DWORD_PTR userdata, PDH_HCOUNTER *hcounter )
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{
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struct query *query = hquery;
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struct counter *counter;
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unsigned int i;
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TRACE("%p %s %lx %p\n", hquery, debugstr_w(path), userdata, hcounter);
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if (!path || !hcounter) return PDH_INVALID_ARGUMENT;
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EnterCriticalSection( &pdh_handle_cs );
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if (!query || query->magic != PDH_MAGIC_QUERY)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_INVALID_HANDLE;
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}
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*hcounter = NULL;
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for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)
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{
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if (pdh_match_path( counter_sources[i].path, path ))
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{
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if ((counter = create_counter()))
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{
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counter->path = pdh_strdup( counter_sources[i].path );
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counter->collect = counter_sources[i].collect;
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counter->type = counter_sources[i].type;
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counter->defaultscale = counter_sources[i].scale;
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counter->base = counter_sources[i].base;
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counter->queryuser = query->user;
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counter->user = userdata;
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list_add_tail( &query->counters, &counter->entry );
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*hcounter = counter;
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LeaveCriticalSection( &pdh_handle_cs );
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return ERROR_SUCCESS;
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}
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_MEMORY_ALLOCATION_FAILURE;
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}
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}
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_CSTATUS_NO_COUNTER;
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}
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/***********************************************************************
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* PdhAddEnglishCounterA (PDH.@)
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*/
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PDH_STATUS WINAPI PdhAddEnglishCounterA( PDH_HQUERY query, LPCSTR path,
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DWORD_PTR userdata, PDH_HCOUNTER *counter )
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{
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TRACE("%p %s %lx %p\n", query, debugstr_a(path), userdata, counter);
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if (!query) return PDH_INVALID_ARGUMENT;
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return PdhAddCounterA( query, path, userdata, counter );
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}
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/***********************************************************************
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* PdhAddEnglishCounterW (PDH.@)
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*/
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PDH_STATUS WINAPI PdhAddEnglishCounterW( PDH_HQUERY query, LPCWSTR path,
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DWORD_PTR userdata, PDH_HCOUNTER *counter )
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{
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TRACE("%p %s %lx %p\n", query, debugstr_w(path), userdata, counter);
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if (!query) return PDH_INVALID_ARGUMENT;
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return PdhAddCounterW( query, path, userdata, counter );
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}
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/* caller must hold counter lock */
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static PDH_STATUS format_value( struct counter *counter, DWORD format, union value *raw1,
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union value *raw2, PDH_FMT_COUNTERVALUE *value )
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{
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LONG factor;
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factor = counter->scale ? counter->scale : counter->defaultscale;
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if (format & PDH_FMT_LONG)
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{
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if (format & PDH_FMT_1000) value->u.longValue = raw2->longvalue * 1000;
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else value->u.longValue = raw2->longvalue * pow( 10, factor );
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}
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else if (format & PDH_FMT_LARGE)
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{
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if (format & PDH_FMT_1000) value->u.largeValue = raw2->largevalue * 1000;
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else value->u.largeValue = raw2->largevalue * pow( 10, factor );
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}
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else if (format & PDH_FMT_DOUBLE)
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{
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if (format & PDH_FMT_1000) value->u.doubleValue = raw2->doublevalue * 1000;
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else value->u.doubleValue = raw2->doublevalue * pow( 10, factor );
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}
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else
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{
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WARN("unknown format %x\n", format);
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return PDH_INVALID_ARGUMENT;
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}
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return ERROR_SUCCESS;
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}
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/***********************************************************************
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* PdhCalculateCounterFromRawValue (PDH.@)
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*/
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PDH_STATUS WINAPI PdhCalculateCounterFromRawValue( PDH_HCOUNTER handle, DWORD format,
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PPDH_RAW_COUNTER raw1, PPDH_RAW_COUNTER raw2,
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PPDH_FMT_COUNTERVALUE value )
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{
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PDH_STATUS ret;
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struct counter *counter = handle;
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TRACE("%p 0x%08x %p %p %p\n", handle, format, raw1, raw2, value);
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if (!value) return PDH_INVALID_ARGUMENT;
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EnterCriticalSection( &pdh_handle_cs );
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if (!counter || counter->magic != PDH_MAGIC_COUNTER)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_INVALID_HANDLE;
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}
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ret = format_value( counter, format, (union value *)&raw1->SecondValue,
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(union value *)&raw2->SecondValue, value );
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LeaveCriticalSection( &pdh_handle_cs );
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return ret;
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}
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/***********************************************************************
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* PdhCloseQuery (PDH.@)
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*/
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PDH_STATUS WINAPI PdhCloseQuery( PDH_HQUERY handle )
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{
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struct query *query = handle;
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struct list *item, *next;
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TRACE("%p\n", handle);
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EnterCriticalSection( &pdh_handle_cs );
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if (!query || query->magic != PDH_MAGIC_QUERY)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_INVALID_HANDLE;
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}
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if (query->thread)
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{
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HANDLE thread = query->thread;
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SetEvent( query->stop );
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LeaveCriticalSection( &pdh_handle_cs );
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WaitForSingleObject( thread, INFINITE );
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EnterCriticalSection( &pdh_handle_cs );
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if (query->magic != PDH_MAGIC_QUERY) return ERROR_SUCCESS;
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CloseHandle( query->stop );
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CloseHandle( query->thread );
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query->thread = NULL;
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}
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LIST_FOR_EACH_SAFE( item, next, &query->counters )
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{
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struct counter *counter = LIST_ENTRY( item, struct counter, entry );
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list_remove( &counter->entry );
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destroy_counter( counter );
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}
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destroy_query( query );
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LeaveCriticalSection( &pdh_handle_cs );
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return ERROR_SUCCESS;
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}
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/* caller must hold query lock */
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static void collect_query_data( struct query *query )
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{
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struct list *item;
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LIST_FOR_EACH( item, &query->counters )
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{
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SYSTEMTIME time;
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struct counter *counter = LIST_ENTRY( item, struct counter, entry );
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counter->collect( counter );
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GetLocalTime( &time );
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SystemTimeToFileTime( &time, &counter->stamp );
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}
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}
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/***********************************************************************
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* PdhCollectQueryData (PDH.@)
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*/
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PDH_STATUS WINAPI PdhCollectQueryData( PDH_HQUERY handle )
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{
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struct query *query = handle;
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TRACE("%p\n", handle);
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EnterCriticalSection( &pdh_handle_cs );
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if (!query || query->magic != PDH_MAGIC_QUERY)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_INVALID_HANDLE;
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}
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if (list_empty( &query->counters ))
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_NO_DATA;
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}
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collect_query_data( query );
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LeaveCriticalSection( &pdh_handle_cs );
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return ERROR_SUCCESS;
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}
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static DWORD CALLBACK collect_query_thread( void *arg )
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{
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struct query *query = arg;
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DWORD interval = query->interval;
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HANDLE stop = query->stop;
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for (;;)
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{
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if (WaitForSingleObject( stop, interval ) != WAIT_TIMEOUT) ExitThread( 0 );
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EnterCriticalSection( &pdh_handle_cs );
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if (query->magic != PDH_MAGIC_QUERY)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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ExitThread( PDH_INVALID_HANDLE );
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}
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collect_query_data( query );
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if (!SetEvent( query->wait ))
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{
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LeaveCriticalSection( &pdh_handle_cs );
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ExitThread( 0 );
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}
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LeaveCriticalSection( &pdh_handle_cs );
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}
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}
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/***********************************************************************
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* PdhCollectQueryDataEx (PDH.@)
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*/
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PDH_STATUS WINAPI PdhCollectQueryDataEx( PDH_HQUERY handle, DWORD interval, HANDLE event )
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{
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PDH_STATUS ret;
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struct query *query = handle;
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TRACE("%p %d %p\n", handle, interval, event);
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EnterCriticalSection( &pdh_handle_cs );
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if (!query || query->magic != PDH_MAGIC_QUERY)
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_INVALID_HANDLE;
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}
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if (list_empty( &query->counters ))
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{
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LeaveCriticalSection( &pdh_handle_cs );
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return PDH_NO_DATA;
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}
|
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if (query->thread)
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{
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HANDLE thread = query->thread;
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SetEvent( query->stop );
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LeaveCriticalSection( &pdh_handle_cs );
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WaitForSingleObject( thread, INFINITE );
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EnterCriticalSection( &pdh_handle_cs );
|
|
if (query->magic != PDH_MAGIC_QUERY) return PDH_INVALID_HANDLE;
|
|
CloseHandle( query->thread );
|
|
query->thread = NULL;
|
|
}
|
|
else if (!(query->stop = CreateEventW( NULL, FALSE, FALSE, NULL )))
|
|
{
|
|
ret = GetLastError();
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ret;
|
|
}
|
|
query->wait = event;
|
|
query->interval = interval * 1000;
|
|
if (!(query->thread = CreateThread( NULL, 0, collect_query_thread, query, 0, NULL )))
|
|
{
|
|
ret = GetLastError();
|
|
CloseHandle( query->stop );
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ret;
|
|
}
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhCollectQueryDataWithTime (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhCollectQueryDataWithTime( PDH_HQUERY handle, LONGLONG *timestamp )
|
|
{
|
|
struct query *query = handle;
|
|
struct counter *counter;
|
|
struct list *item;
|
|
|
|
TRACE("%p %p\n", handle, timestamp);
|
|
|
|
if (!timestamp) return PDH_INVALID_ARGUMENT;
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!query || query->magic != PDH_MAGIC_QUERY)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
if (list_empty( &query->counters ))
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_NO_DATA;
|
|
}
|
|
|
|
collect_query_data( query );
|
|
|
|
item = list_head( &query->counters );
|
|
counter = LIST_ENTRY( item, struct counter, entry );
|
|
|
|
*timestamp = ((LONGLONG)counter->stamp.dwHighDateTime << 32) | counter->stamp.dwLowDateTime;
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhGetCounterInfoA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhGetCounterInfoA( PDH_HCOUNTER handle, BOOLEAN text, LPDWORD size, PPDH_COUNTER_INFO_A info )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p %d %p %p\n", handle, text, size, info);
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
if (!size)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_ARGUMENT;
|
|
}
|
|
if (*size < sizeof(PDH_COUNTER_INFO_A))
|
|
{
|
|
*size = sizeof(PDH_COUNTER_INFO_A);
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_MORE_DATA;
|
|
}
|
|
|
|
memset( info, 0, sizeof(PDH_COUNTER_INFO_A) );
|
|
|
|
info->dwType = counter->type;
|
|
info->CStatus = counter->status;
|
|
info->lScale = counter->scale;
|
|
info->lDefaultScale = counter->defaultscale;
|
|
info->dwUserData = counter->user;
|
|
info->dwQueryUserData = counter->queryuser;
|
|
|
|
*size = sizeof(PDH_COUNTER_INFO_A);
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhGetCounterInfoW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhGetCounterInfoW( PDH_HCOUNTER handle, BOOLEAN text, LPDWORD size, PPDH_COUNTER_INFO_W info )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p %d %p %p\n", handle, text, size, info);
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
if (!size)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_ARGUMENT;
|
|
}
|
|
if (*size < sizeof(PDH_COUNTER_INFO_W))
|
|
{
|
|
*size = sizeof(PDH_COUNTER_INFO_W);
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_MORE_DATA;
|
|
}
|
|
|
|
memset( info, 0, sizeof(PDH_COUNTER_INFO_W) );
|
|
|
|
info->dwType = counter->type;
|
|
info->CStatus = counter->status;
|
|
info->lScale = counter->scale;
|
|
info->lDefaultScale = counter->defaultscale;
|
|
info->dwUserData = counter->user;
|
|
info->dwQueryUserData = counter->queryuser;
|
|
|
|
*size = sizeof(PDH_COUNTER_INFO_W);
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhGetCounterTimeBase (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhGetCounterTimeBase( PDH_HCOUNTER handle, LONGLONG *base )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p %p\n", handle, base);
|
|
|
|
if (!base) return PDH_INVALID_ARGUMENT;
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
|
|
*base = counter->base;
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhGetFormattedCounterValue (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhGetFormattedCounterValue( PDH_HCOUNTER handle, DWORD format,
|
|
LPDWORD type, PPDH_FMT_COUNTERVALUE value )
|
|
{
|
|
PDH_STATUS ret;
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p %x %p %p\n", handle, format, type, value);
|
|
|
|
if (!value) return PDH_INVALID_ARGUMENT;
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
if (counter->status)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_DATA;
|
|
}
|
|
if (!(ret = format_value( counter, format, &counter->one, &counter->two, value )))
|
|
{
|
|
value->CStatus = ERROR_SUCCESS;
|
|
if (type) *type = counter->type;
|
|
}
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhGetRawCounterValue (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhGetRawCounterValue( PDH_HCOUNTER handle, LPDWORD type,
|
|
PPDH_RAW_COUNTER value )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p %p %p\n", handle, type, value);
|
|
|
|
if (!value) return PDH_INVALID_ARGUMENT;
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
|
|
value->CStatus = counter->status;
|
|
value->TimeStamp.dwLowDateTime = counter->stamp.dwLowDateTime;
|
|
value->TimeStamp.dwHighDateTime = counter->stamp.dwHighDateTime;
|
|
value->FirstValue = counter->one.largevalue;
|
|
value->SecondValue = counter->two.largevalue;
|
|
value->MultiCount = 1; /* FIXME */
|
|
|
|
if (type) *type = counter->type;
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhLookupPerfIndexByNameA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhLookupPerfIndexByNameA( LPCSTR machine, LPCSTR name, LPDWORD index )
|
|
{
|
|
PDH_STATUS ret;
|
|
WCHAR *nameW;
|
|
|
|
TRACE("%s %s %p\n", debugstr_a(machine), debugstr_a(name), index);
|
|
|
|
if (!name || !index) return PDH_INVALID_ARGUMENT;
|
|
|
|
if (machine)
|
|
{
|
|
FIXME("remote machine not supported\n");
|
|
return PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
if (!(nameW = pdh_strdup_aw( name )))
|
|
return PDH_MEMORY_ALLOCATION_FAILURE;
|
|
|
|
ret = PdhLookupPerfIndexByNameW( NULL, nameW, index );
|
|
|
|
pdh_free( nameW );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhLookupPerfIndexByNameW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhLookupPerfIndexByNameW( LPCWSTR machine, LPCWSTR name, LPDWORD index )
|
|
{
|
|
unsigned int i;
|
|
|
|
TRACE("%s %s %p\n", debugstr_w(machine), debugstr_w(name), index);
|
|
|
|
if (!name || !index) return PDH_INVALID_ARGUMENT;
|
|
|
|
if (machine)
|
|
{
|
|
FIXME("remote machine not supported\n");
|
|
return PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)
|
|
{
|
|
if (pdh_match_path( counter_sources[i].path, name ))
|
|
{
|
|
*index = counter_sources[i].index;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
}
|
|
return PDH_STRING_NOT_FOUND;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhLookupPerfNameByIndexA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhLookupPerfNameByIndexA( LPCSTR machine, DWORD index, LPSTR buffer, LPDWORD size )
|
|
{
|
|
PDH_STATUS ret;
|
|
WCHAR bufferW[PDH_MAX_COUNTER_NAME];
|
|
DWORD sizeW = sizeof(bufferW) / sizeof(WCHAR);
|
|
|
|
TRACE("%s %d %p %p\n", debugstr_a(machine), index, buffer, size);
|
|
|
|
if (machine)
|
|
{
|
|
FIXME("remote machine not supported\n");
|
|
return PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
|
|
if (!buffer && !size) return PDH_INVALID_ARGUMENT;
|
|
if (!index) return ERROR_SUCCESS;
|
|
|
|
if (!(ret = PdhLookupPerfNameByIndexW( NULL, index, bufferW, &sizeW )))
|
|
{
|
|
int required = WideCharToMultiByte( CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL );
|
|
|
|
if (size && *size < required) ret = PDH_MORE_DATA;
|
|
else WideCharToMultiByte( CP_ACP, 0, bufferW, -1, buffer, required, NULL, NULL );
|
|
if (size) *size = required;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhLookupPerfNameByIndexW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhLookupPerfNameByIndexW( LPCWSTR machine, DWORD index, LPWSTR buffer, LPDWORD size )
|
|
{
|
|
PDH_STATUS ret;
|
|
unsigned int i;
|
|
|
|
TRACE("%s %d %p %p\n", debugstr_w(machine), index, buffer, size);
|
|
|
|
if (machine)
|
|
{
|
|
FIXME("remote machine not supported\n");
|
|
return PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
|
|
if (!buffer && !size) return PDH_INVALID_ARGUMENT;
|
|
if (!index) return ERROR_SUCCESS;
|
|
|
|
for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)
|
|
{
|
|
if (counter_sources[i].index == index)
|
|
{
|
|
WCHAR *p = strrchrW( counter_sources[i].path, '\\' ) + 1;
|
|
unsigned int required = strlenW( p ) + 1;
|
|
|
|
if (*size < required) ret = PDH_MORE_DATA;
|
|
else
|
|
{
|
|
strcpyW( buffer, p );
|
|
ret = ERROR_SUCCESS;
|
|
}
|
|
*size = required;
|
|
return ret;
|
|
}
|
|
}
|
|
return PDH_INVALID_ARGUMENT;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhOpenQueryA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhOpenQueryA( LPCSTR source, DWORD_PTR userdata, PDH_HQUERY *query )
|
|
{
|
|
PDH_STATUS ret;
|
|
WCHAR *sourceW = NULL;
|
|
|
|
TRACE("%s %lx %p\n", debugstr_a(source), userdata, query);
|
|
|
|
if (source && !(sourceW = pdh_strdup_aw( source ))) return PDH_MEMORY_ALLOCATION_FAILURE;
|
|
|
|
ret = PdhOpenQueryW( sourceW, userdata, query );
|
|
pdh_free( sourceW );
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhOpenQueryW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhOpenQueryW( LPCWSTR source, DWORD_PTR userdata, PDH_HQUERY *handle )
|
|
{
|
|
struct query *query;
|
|
|
|
TRACE("%s %lx %p\n", debugstr_w(source), userdata, handle);
|
|
|
|
if (!handle) return PDH_INVALID_ARGUMENT;
|
|
|
|
if (source)
|
|
{
|
|
FIXME("log file data source not supported\n");
|
|
return PDH_INVALID_ARGUMENT;
|
|
}
|
|
if ((query = create_query()))
|
|
{
|
|
query->user = userdata;
|
|
*handle = query;
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
return PDH_MEMORY_ALLOCATION_FAILURE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhRemoveCounter (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhRemoveCounter( PDH_HCOUNTER handle )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p\n", handle);
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
|
|
list_remove( &counter->entry );
|
|
destroy_counter( counter );
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhSetCounterScaleFactor (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhSetCounterScaleFactor( PDH_HCOUNTER handle, LONG factor )
|
|
{
|
|
struct counter *counter = handle;
|
|
|
|
TRACE("%p\n", handle);
|
|
|
|
EnterCriticalSection( &pdh_handle_cs );
|
|
if (!counter || counter->magic != PDH_MAGIC_COUNTER)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_HANDLE;
|
|
}
|
|
if (factor < PDH_MIN_SCALE || factor > PDH_MAX_SCALE)
|
|
{
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return PDH_INVALID_ARGUMENT;
|
|
}
|
|
|
|
counter->scale = factor;
|
|
|
|
LeaveCriticalSection( &pdh_handle_cs );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhValidatePathA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhValidatePathA( LPCSTR path )
|
|
{
|
|
PDH_STATUS ret;
|
|
WCHAR *pathW;
|
|
|
|
TRACE("%s\n", debugstr_a(path));
|
|
|
|
if (!path) return PDH_INVALID_ARGUMENT;
|
|
if (!(pathW = pdh_strdup_aw( path ))) return PDH_MEMORY_ALLOCATION_FAILURE;
|
|
|
|
ret = PdhValidatePathW( pathW );
|
|
|
|
pdh_free( pathW );
|
|
return ret;
|
|
}
|
|
|
|
static PDH_STATUS validate_path( LPCWSTR path )
|
|
{
|
|
if (!path || !*path) return PDH_INVALID_ARGUMENT;
|
|
if (*path++ != '\\' || !strchrW( path, '\\' )) return PDH_CSTATUS_BAD_COUNTERNAME;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhValidatePathW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhValidatePathW( LPCWSTR path )
|
|
{
|
|
PDH_STATUS ret;
|
|
unsigned int i;
|
|
|
|
TRACE("%s\n", debugstr_w(path));
|
|
|
|
if ((ret = validate_path( path ))) return ret;
|
|
|
|
for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)
|
|
if (pdh_match_path( counter_sources[i].path, path )) return ERROR_SUCCESS;
|
|
|
|
return PDH_CSTATUS_NO_COUNTER;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhValidatePathExA (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhValidatePathExA( PDH_HLOG source, LPCSTR path )
|
|
{
|
|
TRACE("%p %s\n", source, debugstr_a(path));
|
|
|
|
if (source)
|
|
{
|
|
FIXME("log file data source not supported\n");
|
|
return ERROR_SUCCESS;
|
|
}
|
|
return PdhValidatePathA( path );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PdhValidatePathExW (PDH.@)
|
|
*/
|
|
PDH_STATUS WINAPI PdhValidatePathExW( PDH_HLOG source, LPCWSTR path )
|
|
{
|
|
TRACE("%p %s\n", source, debugstr_w(path));
|
|
|
|
if (source)
|
|
{
|
|
FIXME("log file data source not supported\n");
|
|
return ERROR_SUCCESS;
|
|
}
|
|
return PdhValidatePathW( path );
|
|
}
|