2210 lines
83 KiB
C
2210 lines
83 KiB
C
/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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log_pm.c
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Abstract:
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<abstract>
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--*/
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#include <windows.h>
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#include <limits.h>
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#include <pdh.h>
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#include "pdhidef.h"
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#include "perftype.h"
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#include "log_pm.h"
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#include "pdhmsg.h"
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#include "perftype.h"
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#include "perfdata.h"
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#define PointerSeek(pBase, lFileOffset) ((PVOID) ((PBYTE) pBase + lFileOffset))
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int
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PdhiCompareLogCounterInstance(
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PPDHI_LOG_COUNTER pCounter,
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LPWSTR szCounter,
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LPWSTR szInstance,
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DWORD dwInstance,
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LPWSTR szParent
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);
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void
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PdhiFreeLogCounterNode(
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PPDHI_LOG_COUNTER pCounter,
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DWORD dwLevel
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);
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void
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PdhiFreeLogObjectNode(
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PPDHI_LOG_OBJECT pObject,
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DWORD dwLevel
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);
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void
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PdhiFreeLogMachineTable(
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PPDHI_LOG_MACHINE * MachineTable
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);
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PPDHI_LOG_MACHINE
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PdhiFindLogMachine(
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PPDHI_LOG_MACHINE * MachineTable,
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LPWSTR szMachine,
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BOOL bInsert
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);
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PPDHI_LOG_OBJECT
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PdhiFindLogObject(
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PPDHI_LOG_MACHINE pMachine,
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PPDHI_LOG_OBJECT * ObjectTable,
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LPWSTR szObject,
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BOOL bInsert
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);
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PPDHI_LOG_COUNTER
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PdhiFindLogCounter(
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PPDHI_LOG pLog,
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PPDHI_LOG_MACHINE * MachineTable,
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LPWSTR szMachine,
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LPWSTR szObject,
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LPWSTR szCounter,
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DWORD dwCounterType,
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DWORD dwDefaultScale,
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LPWSTR szInstance,
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DWORD dwInstance,
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LPWSTR szParent,
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DWORD dwParent,
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LPDWORD pdwIndex,
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BOOL bInsert
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);
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PDH_FUNCTION
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PdhiEnumCachedMachines(
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PPDHI_LOG_MACHINE MachineList,
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LPVOID pBuffer,
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LPDWORD lpdwBufferSize,
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BOOL bUnicodeDest
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)
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{
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PDH_STATUS pdhStatus = ERROR_SUCCESS;
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DWORD dwBufferUsed = 0;
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DWORD dwNewBuffer = 0;
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DWORD dwItemCount = 0;
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LPVOID LocalBuffer = NULL;
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LPVOID TempBuffer = NULL;
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DWORD LocalBufferSize = 0;
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PPDHI_LOG_MACHINE pMachine;
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LocalBufferSize = MEDIUM_BUFFER_SIZE;
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LocalBuffer = G_ALLOC(LocalBufferSize * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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if (LocalBuffer == NULL) {
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pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
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goto Cleanup;
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}
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dwItemCount = 0;
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dwBufferUsed = 0;
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dwItemCount = 0;
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for (pMachine = MachineList; pMachine != NULL; pMachine = pMachine->next) {
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if (pMachine->szMachine != NULL) {
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dwNewBuffer = (lstrlenW(pMachine->szMachine) + 1);
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while (LocalBufferSize < (dwBufferUsed + dwNewBuffer)) {
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TempBuffer = LocalBuffer;
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LocalBufferSize += MEDIUM_BUFFER_SIZE;
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LocalBuffer = G_REALLOC(TempBuffer, LocalBufferSize * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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if (LocalBuffer == NULL) {
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if (TempBuffer != NULL) G_FREE(TempBuffer);
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pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
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goto Cleanup;
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}
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}
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dwNewBuffer = AddUniqueWideStringToMultiSz((LPVOID) LocalBuffer, pMachine->szMachine, bUnicodeDest);
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if (dwNewBuffer > 0) {
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dwBufferUsed = dwNewBuffer;
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dwItemCount ++;
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}
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}
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else {
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dwNewBuffer = 0;
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}
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}
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if (pdhStatus == ERROR_SUCCESS) {
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if (dwItemCount > 0) {
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dwBufferUsed ++;
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}
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if (pBuffer && (dwBufferUsed <= * lpdwBufferSize)) {
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RtlCopyMemory(pBuffer, LocalBuffer, dwBufferUsed * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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}
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else {
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if (pBuffer) RtlCopyMemory(pBuffer,
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LocalBuffer,
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(* lpdwBufferSize) * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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pdhStatus = PDH_MORE_DATA;
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}
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* lpdwBufferSize = dwBufferUsed;
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}
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Cleanup:
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if (LocalBuffer != NULL) G_FREE(LocalBuffer);
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return pdhStatus;
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}
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PDH_FUNCTION
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PdhiEnumCachedObjects(
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PPDHI_LOG_MACHINE MachineList,
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LPCWSTR szMachineName,
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LPVOID pBuffer,
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LPDWORD pcchBufferSize,
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DWORD dwDetailLevel,
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BOOL bUnicodeDest
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)
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{
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PDH_STATUS pdhStatus = ERROR_SUCCESS;
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DWORD dwBufferUsed = 0;
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DWORD dwNewBuffer = 0;
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DWORD dwItemCount = 0;
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LPVOID LocalBuffer = NULL;
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LPVOID TempBuffer = NULL;
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DWORD LocalBufferSize = 0;
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PPDHI_LOG_MACHINE pMachine = NULL;
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PPDHI_LOG_OBJECT pObject = NULL;
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LPWSTR szLocMachine = (LPWSTR) szMachineName;
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UNREFERENCED_PARAMETER(dwDetailLevel);
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LocalBufferSize = MEDIUM_BUFFER_SIZE;
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LocalBuffer = G_ALLOC(LocalBufferSize * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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if (LocalBuffer == NULL) {
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pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
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goto Cleanup;
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}
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if (szLocMachine == NULL) szLocMachine = (LPWSTR) szStaticLocalMachineName;
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dwBufferUsed = 0;
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dwNewBuffer = 0;
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dwItemCount = 0;
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for (pMachine = MachineList; pMachine != NULL; pMachine = pMachine->next) {
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if (lstrcmpiW(pMachine->szMachine, szLocMachine) == 0) break;
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}
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if (pMachine != NULL) {
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for (pObject = pMachine->ObjList; pObject != NULL; pObject = pObject->next) {
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if (pObject->szObject != NULL) {
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dwNewBuffer = (lstrlenW(pObject->szObject) + 1);
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while (LocalBufferSize < (dwBufferUsed + dwNewBuffer)) {
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LocalBufferSize += MEDIUM_BUFFER_SIZE;
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TempBuffer = LocalBuffer;
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LocalBuffer = G_REALLOC(TempBuffer,
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LocalBufferSize * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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if (LocalBuffer == NULL) {
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if (TempBuffer != NULL) G_FREE(TempBuffer);
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pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
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goto Cleanup;
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}
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}
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dwNewBuffer = AddUniqueWideStringToMultiSz((LPVOID) LocalBuffer, pObject->szObject, bUnicodeDest);
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if (dwNewBuffer > 0) {
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dwBufferUsed = dwNewBuffer;
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dwItemCount ++;
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}
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}
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else {
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dwNewBuffer = 0;
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}
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}
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}
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else {
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pdhStatus = PDH_CSTATUS_NO_MACHINE;
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}
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if (pdhStatus == ERROR_SUCCESS) {
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if (dwItemCount > 0) {
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dwBufferUsed ++;
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}
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if (dwBufferUsed > 0) {
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if (pBuffer && (dwBufferUsed <= * pcchBufferSize)) {
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RtlCopyMemory(pBuffer, LocalBuffer, dwBufferUsed * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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}
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else {
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if (pBuffer) RtlCopyMemory(pBuffer,
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LocalBuffer,
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(* pcchBufferSize) * (bUnicodeDest ? sizeof(WCHAR) : sizeof(CHAR)));
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pdhStatus = PDH_MORE_DATA;
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}
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}
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* pcchBufferSize = dwBufferUsed;
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}
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Cleanup:
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G_FREE(LocalBuffer);
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return pdhStatus;
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}
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PDH_FUNCTION
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PdhiEnumCachedObjectItems(
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PPDHI_LOG_MACHINE MachineList,
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LPCWSTR szMachineName,
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LPCWSTR szObjectName,
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PDHI_COUNTER_TABLE CounterTable,
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DWORD dwDetailLevel,
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DWORD dwFlags
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)
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{
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PDH_STATUS pdhStatus = ERROR_SUCCESS;
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DWORD dwItemCount = 0;
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LPWSTR szFullInstance = NULL;
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DWORD dwFullInstance = SMALL_BUFFER_SIZE;
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LPWSTR szLocMachine = (LPWSTR) szMachineName;
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PPDHI_INSTANCE pInstance;
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PPDHI_INST_LIST pInstList;
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PPDHI_LOG_MACHINE pMachine = NULL;
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PPDHI_LOG_OBJECT pObject = NULL;
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PPDHI_LOG_COUNTER pCounter = NULL;
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UNREFERENCED_PARAMETER(dwDetailLevel);
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UNREFERENCED_PARAMETER(dwFlags);
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if (szLocMachine == NULL) szLocMachine = (LPWSTR) szStaticLocalMachineName;
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for (pMachine = MachineList; pMachine != NULL; pMachine = pMachine->next) {
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if (lstrcmpiW(pMachine->szMachine, szLocMachine) == 0) break;
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}
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if (pMachine != NULL) {
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pObject = PdhiFindLogObject(pMachine, & (pMachine->ObjTable), (LPWSTR) szObjectName, FALSE);
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}
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else {
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pdhStatus = PDH_CSTATUS_NO_MACHINE;
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pObject = NULL;
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}
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if (pObject != NULL) {
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WCHAR szIndexNumber[20];
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szFullInstance = G_ALLOC(dwFullInstance * sizeof(WCHAR));
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if (szFullInstance == NULL) {
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pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
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goto Cleanup;
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}
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for (pCounter = pObject->CtrList; pCounter != NULL; pCounter = pCounter->next) {
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pdhStatus = PdhiFindCounterInstList(CounterTable, pCounter->szCounter, & pInstList);
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if (pdhStatus != ERROR_SUCCESS) continue;
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if (pCounter->szInstance != NULL && pCounter->szInstance[0] != L'\0') {
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if (pCounter->szParent != NULL && pCounter->szParent[0] != L'\0') {
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swprintf(szFullInstance, L"%ws%ws%ws",
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pCounter->szParent, L"/", pCounter->szInstance);
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}
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else {
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lstrcpynW(szFullInstance, pCounter->szInstance, dwFullInstance);
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}
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if (pCounter->dwInstance > 0) {
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ZeroMemory(szIndexNumber, 20 * sizeof(WCHAR));
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_ultow(pCounter->dwInstance, szIndexNumber, 10);
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lstrcatW(szFullInstance, L"#");
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lstrcatW(szFullInstance, szIndexNumber);
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}
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pdhStatus = PdhiFindInstance(& pInstList->InstList, szFullInstance, TRUE, & pInstance);
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}
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if (pdhStatus == ERROR_SUCCESS) {
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dwItemCount ++;
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}
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}
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}
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else if (pdhStatus == ERROR_SUCCESS) {
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pdhStatus = PDH_CSTATUS_NO_OBJECT;
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}
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if (dwItemCount > 0) {
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// then the routine was successful. Errors that occurred
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// while scanning will be ignored as long as at least
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// one entry was successfully read
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pdhStatus = ERROR_SUCCESS;
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}
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Cleanup:
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G_FREE(szFullInstance);
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return pdhStatus;
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}
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int
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PdhiComparePmLogInstance(
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PPDHI_LOG_COUNTER pCounter,
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LPWSTR szInstance,
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DWORD dwInstance,
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LPWSTR szParent,
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BOOL bUpdate
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)
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{
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int iResult = 0;
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if ((pCounter->szInstance != NULL && pCounter->szInstance[0] != L'\0')
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&& (szInstance != NULL && szInstance[0] != L'\0')) {
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iResult = lstrcmpiW(szInstance, pCounter->szInstance);
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}
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else if ((pCounter->szInstance != NULL && pCounter->szInstance[0] != L'\0')
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&& (szInstance == NULL || szInstance[0] == L'\0')) {
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iResult = -1;
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}
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else if ((pCounter->szInstance == NULL || pCounter->szInstance[0] == L'\0')
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&& (szInstance != NULL && szInstance[0] != L'\0')) {
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iResult = 1;
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}
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if (iResult != 0) goto Cleanup;
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iResult = (dwInstance < pCounter->dwInstance) ? (-1) : ((dwInstance > pCounter->dwInstance) ? (1) : (0));
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if (iResult != 0) goto Cleanup;
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if ((pCounter->szParent != NULL && pCounter->szParent[0] != L'\0')
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&& (szParent != NULL && szParent[0] != L'\0')) {
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iResult = lstrcmpiW(szParent, pCounter->szParent);
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}
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else if ((pCounter->szParent != NULL && pCounter->szParent[0] != L'\0')
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&& (szParent == NULL || szParent[0] == L'\0')) {
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iResult = -1;
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}
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else if ((pCounter->szParent == NULL || pCounter->szParent[0] == L'\0')
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&& (szParent != NULL && szParent[0] != L'\0')) {
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iResult = 1;
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}
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Cleanup:
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return iResult;
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}
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PPDHI_LOG_COUNTER
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PdhiFindPmCounterInstance(
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PPDHI_LOG_OBJECT pObject,
|
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LPWSTR szCounter,
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DWORD dwCounterType,
|
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DWORD dwDefaultScale,
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LPWSTR szInstance,
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DWORD dwInstance,
|
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LPWSTR szParent,
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DWORD dwParent,
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LPDWORD pdwIndex,
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BOOL bInstance,
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BOOL bInsert
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)
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{
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PPDHI_LOG_COUNTER pCounter = NULL;
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PPDHI_LOG_COUNTER pNode = NULL;
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PPDHI_LOG_COUNTER * pStack[MAX_BTREE_DEPTH];
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PPDHI_LOG_COUNTER * pLink;
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int dwStack = 0;
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PPDHI_LOG_COUNTER pParent;
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PPDHI_LOG_COUNTER pSibling;
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PPDHI_LOG_COUNTER pChild;
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int iCompare;
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if (bInstance) {
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pStack[dwStack ++] = & (pObject->InstTable);
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pCounter = pObject->InstTable;
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}
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else {
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pStack[dwStack ++] = & (pObject->CtrTable);
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pCounter = pObject->CtrTable;
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}
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while (pCounter != NULL) {
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if (bInstance) {
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iCompare = PdhiComparePmLogInstance(pCounter, szInstance, dwInstance, szParent, bInsert);
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}
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else {
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iCompare = lstrcmpiW(szCounter, pCounter->szCounter);
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}
|
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if (iCompare < 0) {
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pStack[dwStack ++] = & (pCounter->left);
|
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pCounter = pCounter->left;
|
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}
|
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else if (iCompare > 0) {
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pStack[dwStack ++] = & (pCounter->right);
|
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pCounter = pCounter->right;
|
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}
|
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else {
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break;
|
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}
|
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}
|
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|
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if (bInsert) {
|
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if (pCounter == NULL) {
|
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DWORD dwCounterLen = lstrlenW(szCounter) + 1;
|
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DWORD dwInstanceLen = 0;
|
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DWORD dwParentLen = 0;
|
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DWORD dwBufSize = sizeof(PDHI_LOG_COUNTER) + sizeof(WCHAR) * dwCounterLen;
|
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if (szInstance != NULL) {
|
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dwInstanceLen = lstrlenW(szInstance) + 1;
|
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dwBufSize += (sizeof(WCHAR) * dwInstanceLen);
|
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}
|
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else {
|
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dwBufSize += sizeof(WCHAR);
|
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}
|
|
if (szParent != NULL) {
|
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dwParentLen = lstrlenW(szParent) + 1;
|
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dwBufSize += (sizeof(WCHAR) * dwParentLen);
|
|
}
|
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else {
|
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dwBufSize += sizeof(WCHAR);
|
|
}
|
|
|
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pCounter = G_ALLOC(dwBufSize);
|
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if (pCounter == NULL) goto Cleanup;
|
|
|
|
if (bInstance) {
|
|
pCounter->next = pObject->InstList;
|
|
pObject->InstList = pCounter;
|
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}
|
|
else {
|
|
pCounter->next = pObject->CtrList;
|
|
pObject->CtrList = pCounter;
|
|
}
|
|
pCounter->bIsRed = TRUE;
|
|
pCounter->left = NULL;
|
|
pCounter->right = NULL;
|
|
pCounter->dwParent = dwParent;
|
|
pCounter->TimeStamp = 0;
|
|
pCounter->dwInstance = dwInstance;
|
|
pCounter->dwCounterID = (* pdwIndex);
|
|
if (! bInstance) {
|
|
pCounter->dwCounterType = dwCounterType;
|
|
pCounter->dwDefaultScale = dwDefaultScale;
|
|
}
|
|
|
|
if (szCounter == NULL || szCounter[0] == L'\0') {
|
|
pCounter->szCounter = NULL;
|
|
}
|
|
else {
|
|
pCounter->szCounter = (LPWSTR) (((PCHAR) pCounter) + sizeof(PDHI_LOG_COUNTER));
|
|
lstrcpynW(pCounter->szCounter, szCounter, dwCounterLen);
|
|
}
|
|
if (szInstance == NULL || szInstance[0] == L'\0') {
|
|
pCounter->szInstance = NULL;
|
|
}
|
|
else {
|
|
pCounter->szInstance = (LPWSTR) (((PCHAR) pCounter) + sizeof(PDHI_LOG_COUNTER)
|
|
+ sizeof(WCHAR) * dwCounterLen);
|
|
lstrcpynW(pCounter->szInstance, szInstance, dwInstanceLen);
|
|
}
|
|
|
|
if (szParent == NULL || szParent[0] == L'\0') {
|
|
pCounter->szParent = NULL;
|
|
}
|
|
else {
|
|
if (pCounter->szInstance != NULL) {
|
|
pCounter->szParent = (LPWSTR) (((PCHAR) pCounter)
|
|
+ sizeof(PDHI_LOG_COUNTER) + sizeof(WCHAR) * (dwCounterLen + dwInstanceLen));
|
|
}
|
|
else {
|
|
pCounter->szParent = (LPWSTR) (((PCHAR) pCounter) + sizeof(PDHI_LOG_COUNTER)
|
|
+ sizeof(WCHAR) * dwCounterLen);
|
|
}
|
|
lstrcpynW(pCounter->szParent, szParent, dwParentLen);
|
|
}
|
|
|
|
pLink = pStack[-- dwStack];
|
|
* pLink = pCounter;
|
|
|
|
pChild = NULL;
|
|
pNode = pCounter;
|
|
while (dwStack > 0) {
|
|
pLink = pStack[-- dwStack];
|
|
pParent = * pLink;
|
|
if (! pParent->bIsRed) {
|
|
pSibling = (pParent->left == pNode) ? pParent->right : pParent->left;
|
|
if (pSibling && pSibling->bIsRed) {
|
|
pNode->bIsRed = FALSE;
|
|
pSibling->bIsRed = FALSE;
|
|
pParent->bIsRed = TRUE;
|
|
}
|
|
else {
|
|
if (pChild && pChild->bIsRed) {
|
|
if (pChild == pNode->left) {
|
|
if (pNode == pParent->left) {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->left = pNode->right;
|
|
pNode->right = pParent;
|
|
pNode->bIsRed = FALSE;
|
|
* pLink = pNode;
|
|
}
|
|
else {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->right = pChild->left;
|
|
pChild->left = pParent;
|
|
pNode->left = pChild->right;
|
|
pChild->right = pNode;
|
|
pChild->bIsRed = FALSE;
|
|
* pLink = pChild;
|
|
}
|
|
}
|
|
else {
|
|
if (pNode == pParent->right) {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->right = pNode->left;
|
|
pNode->left = pParent;
|
|
pNode->bIsRed = FALSE;
|
|
* pLink = pNode;
|
|
}
|
|
else {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->left = pChild->right;
|
|
pChild->right = pParent;
|
|
pNode->right = pChild->left;
|
|
pChild->left = pNode;
|
|
pChild->bIsRed = FALSE;
|
|
* pLink = pChild;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
pChild = pNode;
|
|
pNode = pParent;
|
|
}
|
|
if (bInstance) {
|
|
pObject->InstTable->bIsRed = FALSE;
|
|
}
|
|
else {
|
|
pObject->CtrTable->bIsRed = FALSE;
|
|
}
|
|
}
|
|
else if (bInstance) {
|
|
pCounter->dwCounterType ++;
|
|
if (pCounter->dwCounterType > pCounter->dwDefaultScale) {
|
|
pCounter->dwDefaultScale = pCounter->dwCounterType;
|
|
}
|
|
}
|
|
}
|
|
else if (pCounter != NULL) {
|
|
* pdwIndex = pCounter->dwCounterID;
|
|
}
|
|
|
|
Cleanup:
|
|
return pCounter;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiBuildPmLogIndexTable(
|
|
PPLAYBACKLOG pPmLog
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PLOGHEADER pLogHeader = (PLOGHEADER) pPmLog->pHeader;
|
|
PLOGINDEXBLOCK pIndexBlock = NULL;
|
|
DWORD dwOffset = pLogHeader->iLength;
|
|
DWORD dwIndex = 0;
|
|
int i;
|
|
|
|
if (dwOffset == sizeof(LOGHEADER)) {
|
|
while (dwOffset != 0) {
|
|
pIndexBlock = (PLOGINDEXBLOCK) PointerSeek(pLogHeader, dwOffset);
|
|
dwIndex += pIndexBlock->iNumIndexes;
|
|
dwOffset = pIndexBlock->lNextBlockOffset;
|
|
}
|
|
pPmLog->dwLastIndex = dwIndex;
|
|
G_FREE(pPmLog->LogIndexTable);
|
|
pPmLog->LogIndexTable = G_ALLOC(dwIndex * sizeof(PLOGINDEX));
|
|
if (pPmLog->LogIndexTable == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
goto Cleanup;
|
|
}
|
|
dwIndex = 0;
|
|
dwOffset = pLogHeader->iLength;
|
|
while (dwOffset != 0) {
|
|
pIndexBlock = (PLOGINDEXBLOCK) PointerSeek(pLogHeader, dwOffset);
|
|
for (i = 0; i < pIndexBlock->iNumIndexes; i ++) {
|
|
pPmLog->LogIndexTable[dwIndex + i] = & (pIndexBlock->aIndexes[i]);
|
|
}
|
|
dwIndex += pIndexBlock->iNumIndexes;
|
|
dwOffset = pIndexBlock->lNextBlockOffset;
|
|
}
|
|
}
|
|
else {
|
|
Status = PDH_INVALID_ARGUMENT;
|
|
}
|
|
|
|
Cleanup:
|
|
if (Status != ERROR_SUCCESS) {
|
|
G_FREE(pPmLog->LogIndexTable);
|
|
pPmLog->dwLastIndex = 0;
|
|
pPmLog->dwCurrentIndex = 0;
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
void
|
|
PdhiFreeCounterStringNode(
|
|
PPDHI_PM_STRING pString,
|
|
DWORD dwLevel
|
|
)
|
|
{
|
|
if (pString != NULL) {
|
|
if (pString->left != NULL) {
|
|
PdhiFreeCounterStringNode(pString->left, dwLevel + 1);
|
|
}
|
|
if (pString->right != NULL) {
|
|
PdhiFreeCounterStringNode(pString->right, dwLevel + 1);
|
|
}
|
|
G_FREE(pString);
|
|
}
|
|
}
|
|
|
|
void
|
|
PdhiFreePmMachineList(
|
|
PPLAYBACKLOG pPmLog
|
|
)
|
|
{
|
|
PPMLOG_COUNTERNAMES pMachine = pPmLog->pFirstCounterNameTables;
|
|
PPMLOG_COUNTERNAMES pTmpMachine;
|
|
|
|
while (pMachine != NULL) {
|
|
pTmpMachine = pMachine;
|
|
pMachine = pTmpMachine->pNext;
|
|
PdhiFreeCounterStringNode(pTmpMachine->StringTree, 0);
|
|
G_FREE(pTmpMachine);
|
|
}
|
|
}
|
|
|
|
PPDHI_PM_STRING
|
|
PdhiFindPmString(
|
|
PPMLOG_COUNTERNAMES pMachine,
|
|
LPCWSTR szString,
|
|
LPDWORD pdwIndex,
|
|
BOOL bInsert
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PPDHI_PM_STRING * pStack[MAX_BTREE_DEPTH];
|
|
int iStack = 0;
|
|
int iCompare = 0;
|
|
PPDHI_PM_STRING pString = pMachine->StringTree;
|
|
PPDHI_PM_STRING * pLink;
|
|
PPDHI_PM_STRING pNode;
|
|
PPDHI_PM_STRING pParent;
|
|
PPDHI_PM_STRING pSibling;
|
|
PPDHI_PM_STRING pChild;
|
|
|
|
pStack[iStack ++] = & pMachine->StringTree;
|
|
while (pString != NULL) {
|
|
iCompare = lstrcmpiW(szString, pString->szString);
|
|
if (iCompare > 0) {
|
|
if (iStack >= MAX_BTREE_DEPTH) {
|
|
Status = PDH_UNABLE_READ_LOG_HEADER;
|
|
break;
|
|
}
|
|
pStack[iStack ++] = & (pString->right);
|
|
pString = pString->right;
|
|
}
|
|
else if (iCompare < 0) {
|
|
if (iStack >= MAX_BTREE_DEPTH) {
|
|
Status = PDH_UNABLE_READ_LOG_HEADER;
|
|
break;
|
|
}
|
|
pStack[iStack ++] = & (pString->left);
|
|
pString = pString->left;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Status != ERROR_SUCCESS) goto Cleanup;
|
|
|
|
if (pString != NULL) {
|
|
if (pdwIndex != NULL) {
|
|
* pdwIndex = pString->dwIndex;
|
|
}
|
|
}
|
|
else if (bInsert && pdwIndex != NULL) {
|
|
pString = G_ALLOC(sizeof(PDHI_PM_STRING));
|
|
if (pString != NULL) {
|
|
pString->szString = (LPWSTR) szString;
|
|
pString->dwIndex = * pdwIndex;
|
|
pString->bIsRed = TRUE;
|
|
pString->left = NULL;
|
|
pString->right = NULL;
|
|
|
|
pLink = pStack[-- iStack];
|
|
* pLink = pString;
|
|
pNode = pString;
|
|
pChild = NULL;
|
|
|
|
while (iStack > 0) {
|
|
pLink = pStack[-- iStack];
|
|
pParent = * pLink;
|
|
if (! pParent->bIsRed) {
|
|
pSibling = (pParent->left == pNode) ? pParent->right : pParent->left;
|
|
if (pSibling && pSibling->bIsRed) {
|
|
pNode->bIsRed = FALSE;
|
|
pSibling->bIsRed = FALSE;
|
|
pParent->bIsRed = TRUE;
|
|
}
|
|
else {
|
|
if (pChild && pChild->bIsRed) {
|
|
if (pChild == pNode->left) {
|
|
if (pNode == pParent->left) {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->left = pNode->right;
|
|
pNode->right = pParent;
|
|
pNode->bIsRed = FALSE;
|
|
* pLink = pNode;
|
|
}
|
|
else {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->right = pChild->left;
|
|
pChild->left = pParent;
|
|
pNode->left = pChild->right;
|
|
pChild->right = pNode;
|
|
pChild->bIsRed = FALSE;
|
|
* pLink = pChild;
|
|
}
|
|
}
|
|
else {
|
|
if (pNode == pParent->right) {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->right = pNode->left;
|
|
pNode->left = pParent;
|
|
pNode->bIsRed = FALSE;
|
|
* pLink = pNode;
|
|
}
|
|
else {
|
|
pParent->bIsRed = TRUE;
|
|
pParent->left = pChild->right;
|
|
pChild->right = pParent;
|
|
pNode->right = pChild->left;
|
|
pChild->left = pNode;
|
|
pChild->bIsRed = FALSE;
|
|
* pLink = pChild;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
pChild = pNode;
|
|
pNode = pParent;
|
|
}
|
|
pMachine->StringTree->bIsRed = FALSE;
|
|
}
|
|
else {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
}
|
|
}
|
|
|
|
Cleanup:
|
|
if (Status != ERROR_SUCCESS) SetLastError(Status);
|
|
return pString;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiBuildPmLogStringTable(
|
|
PPLAYBACKLOG pPmLog,
|
|
PLOGFILECOUNTERNAME pLogName,
|
|
PPMLOG_COUNTERNAMES pMachine,
|
|
long lSize
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PPDHI_PM_STRING pString;
|
|
LPWSTR szName;
|
|
DWORD dwName;
|
|
DWORD dwIndex;
|
|
long lUsed = 0;
|
|
|
|
if (lSize > pLogName->lUnmatchCounterNames
|
|
|| pLogName->lCurrentCounterNameOffset < 0
|
|
|| pLogName->lCurrentCounterNameOffset >= pPmLog->llFileSize
|
|
|| pLogName->lCurrentCounterNameOffset + pLogName->lUnmatchCounterNames > pPmLog->llFileSize) {
|
|
Status = PDH_UNABLE_READ_LOG_HEADER;
|
|
}
|
|
else if (pLogName->lBaseCounterNameOffset > 0) {
|
|
PLOGFILECOUNTERNAME pBaseName = (PLOGFILECOUNTERNAME)
|
|
PointerSeek(pPmLog->pHeader, pLogName->lBaseCounterNameOffset);
|
|
Status = PdhiBuildPmLogStringTable(pPmLog, pBaseName, pMachine, pLogName->lMatchLength);
|
|
}
|
|
if (Status != ERROR_SUCCESS) goto Cleanup;
|
|
|
|
szName = (LPWSTR) PointerSeek(pPmLog->pHeader, pLogName->lCurrentCounterNameOffset);
|
|
while (Status == ERROR_SUCCESS && lUsed <= lSize && szName[0] != L'\0') {
|
|
dwIndex = wcstoul(szName, NULL, 10);
|
|
if (dwIndex > 0 && dwIndex <= pMachine->dwLastIndex) {
|
|
dwName = lstrlenW(szName) + 1;
|
|
lUsed += (sizeof(WCHAR) * dwName);
|
|
if (lUsed <= lSize) {
|
|
szName += dwName;
|
|
pMachine->szNameTable[dwIndex] = szName;
|
|
pString = PdhiFindPmString(pMachine, szName, & dwIndex, TRUE);
|
|
if (pString == NULL) Status = GetLastError();
|
|
}
|
|
}
|
|
dwName = lstrlenW(szName) + 1;
|
|
lUsed += (sizeof(WCHAR) * dwName);
|
|
szName += dwName;
|
|
}
|
|
|
|
Cleanup:
|
|
return Status;
|
|
}
|
|
|
|
DWORD
|
|
PdhiLookupLogPerfIndexByName(
|
|
PPLAYBACKLOG pPlaybackLog,
|
|
LPCWSTR szMachineName,
|
|
DWORD dwLangId,
|
|
DWORD dwLastId,
|
|
LPCWSTR szNameBuffer
|
|
)
|
|
{
|
|
DWORD dwIndex = 0;
|
|
PDH_STATUS Status = PDH_CSTATUS_NO_MACHINE;
|
|
PPMLOG_COUNTERNAMES pMachine = pPlaybackLog->pFirstCounterNameTables;
|
|
|
|
while (pMachine != NULL) {
|
|
if (lstrcmpiW(szMachineName, pMachine->szSystemName) == 0) break;
|
|
pMachine = pMachine->pNext;
|
|
}
|
|
if (pMachine != NULL) {
|
|
PPDHI_PM_STRING pString = PdhiFindPmString(pMachine, szNameBuffer, & dwIndex, FALSE);
|
|
if (pString == NULL) {
|
|
Status = GetLastError();
|
|
dwIndex = wcstoul(szNameBuffer, NULL, 10);
|
|
}
|
|
}
|
|
if (dwIndex == 0) SetLastError(Status);
|
|
return dwIndex;
|
|
}
|
|
|
|
LPCWSTR
|
|
PdhiLookupLogPerfNameByIndex(
|
|
PPLAYBACKLOG pPlaybackLog,
|
|
LPCWSTR szMachineName,
|
|
DWORD dwLangId,
|
|
DWORD dwIndex
|
|
)
|
|
{
|
|
PPMLOG_COUNTERNAMES pMachine = pPlaybackLog->pFirstCounterNameTables;
|
|
LPWSTR szReturn = NULL;
|
|
static WCHAR szNumber[16];
|
|
|
|
while (pMachine != NULL) {
|
|
if (lstrcmpiW(szMachineName, pMachine->szSystemName) == 0) break;
|
|
pMachine = pMachine->pNext;
|
|
}
|
|
if (pMachine != NULL) {
|
|
if (dwIndex <= pMachine->dwLastIndex && dwLangId == pMachine->dwLangId) {
|
|
szReturn = pMachine->szNameTable[dwIndex];
|
|
}
|
|
if (szReturn == NULL) {
|
|
SetLastError(PDH_CSTATUS_NO_OBJECT);
|
|
ZeroMemory(szNumber, sizeof(szNumber));
|
|
_ltow(dwIndex, szNumber, 10);
|
|
szReturn = szNumber;
|
|
}
|
|
}
|
|
else {
|
|
SetLastError(PDH_CSTATUS_NO_MACHINE);
|
|
}
|
|
return (LPCWSTR) szReturn;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiCachePerfDataBlock(
|
|
PPLAYBACKLOG pPmLog,
|
|
PLOGINDEX pIndex
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PPERF_DATA_BLOCK pBlock;
|
|
PPERF_OBJECT_TYPE pObject;
|
|
PPERF_COUNTER_DEFINITION pCounter;
|
|
int i;
|
|
PVOID pEndObject;
|
|
LPWSTR szMachine;
|
|
LPWSTR szLogMachine = NULL;
|
|
LPWSTR szObject;
|
|
DWORD dwObjects;
|
|
PPDHI_LOG_MACHINE pLoggedMachine = NULL;
|
|
PPDHI_LOG_OBJECT pLoggedObject = NULL;
|
|
PPMLOG_COUNTERNAMES pCounterTable = NULL;
|
|
|
|
for (i = 0; i < pIndex->iSystemsLogged; i ++) {
|
|
if (i == 0) {
|
|
pBlock = (PPERF_DATA_BLOCK) PointerSeek(pPmLog->pHeader, pIndex->lDataOffset);
|
|
}
|
|
else {
|
|
pBlock = (PPERF_DATA_BLOCK) PointerSeek(pBlock, pBlock->TotalByteLength);
|
|
}
|
|
if (pBlock->TotalByteLength <= sizeof(PERF_DATA_BLOCK) || pBlock->HeaderLength <= sizeof(PERF_DATA_BLOCK)) {
|
|
continue;
|
|
}
|
|
dwObjects = pBlock->NumObjectTypes;
|
|
pEndObject = PointerSeek(pBlock, pBlock->TotalByteLength);
|
|
szMachine = (LPWSTR) PointerSeek(pBlock, sizeof(PERF_DATA_BLOCK));
|
|
|
|
G_FREE(szLogMachine);
|
|
szLogMachine = G_ALLOC((lstrlenW(szMachine) + 3) * sizeof(WCHAR));
|
|
if (szLogMachine == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
break;
|
|
}
|
|
swprintf(szLogMachine, L"\\\\%ws", szMachine);
|
|
|
|
pLoggedMachine = PdhiFindLogMachine(& pPmLog->MachineList, szLogMachine, TRUE);
|
|
if (pLoggedMachine == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
break;
|
|
}
|
|
|
|
pCounterTable = pPmLog->pFirstCounterNameTables;
|
|
while (pCounterTable != NULL) {
|
|
if (lstrcmpiW(pCounterTable->szSystemName, szLogMachine) == 0) break;
|
|
pCounterTable = pCounterTable->pNext;
|
|
}
|
|
if (pCounterTable == NULL) continue;
|
|
|
|
pObject = FirstObject(pBlock);
|
|
while ((pObject != NULL) && ((PVOID) pObject < pEndObject) && (dwObjects > 0)) {
|
|
dwObjects --;
|
|
if (pObject->TotalByteLength > sizeof(PERF_OBJECT_TYPE)
|
|
&& pObject->DefinitionLength > sizeof(PERF_OBJECT_TYPE)
|
|
&& pObject->ObjectNameTitleIndex <= pCounterTable->dwLastIndex) {
|
|
szObject = (LPWSTR) PdhiLookupLogPerfNameByIndex(pPmLog,
|
|
szLogMachine,
|
|
pCounterTable->dwLangId,
|
|
pObject->ObjectNameTitleIndex);
|
|
if (szObject != NULL) {
|
|
pLoggedObject = PdhiFindLogObject(pLoggedMachine,
|
|
& pLoggedMachine->ObjTable,
|
|
szObject,
|
|
TRUE);
|
|
if (pLoggedObject == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
break;
|
|
}
|
|
pLoggedObject->bNeedExpand = TRUE;
|
|
pLoggedObject->dwObject = pObject->ObjectNameTitleIndex;
|
|
}
|
|
}
|
|
pObject = (dwObjects > 0) ? NextObject(pObject) : NULL;
|
|
}
|
|
}
|
|
|
|
G_FREE(szLogMachine);
|
|
return Status;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiCachePmLogHeader(
|
|
PPLAYBACKLOG pPmLog
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PLOGINDEX * IndexTable;
|
|
DWORD i;
|
|
int iMaxSystemLogged = -1;
|
|
DWORD dwIndex = 0;
|
|
|
|
if (pPmLog == NULL) {
|
|
Status = PDH_INVALID_ARGUMENT;
|
|
goto Cleanup;
|
|
}
|
|
else if (pPmLog->pFirstCounterNameTables != NULL && pPmLog->MachineList != NULL) {
|
|
goto Cleanup;
|
|
}
|
|
IndexTable = pPmLog->LogIndexTable;
|
|
for (i = 0; i < pPmLog->dwLastIndex; i ++) {
|
|
// Ignore first uFlags 0x00000000 and LogFileIndexBookmark index entries.
|
|
//
|
|
if ((IndexTable[i]->uFlags & LogFileIndexCounterName) != 0) {
|
|
// For LogFileIndexCounterName index entries, cache counter name/explain string table.
|
|
if (IndexTable[i]->lDataOffset < pPmLog->llFileSize) {
|
|
PLOGFILECOUNTERNAME pLogName = (PLOGFILECOUNTERNAME)
|
|
PointerSeek(pPmLog->pHeader, IndexTable[i]->lDataOffset);
|
|
PPMLOG_COUNTERNAMES pMachine = pPmLog->pFirstCounterNameTables;
|
|
|
|
while (pMachine != NULL) {
|
|
if (lstrcmpiW(pMachine->szSystemName, pLogName->szComputer) == 0) break;
|
|
}
|
|
if (pMachine == NULL) {
|
|
pMachine = (PPMLOG_COUNTERNAMES) G_ALLOC(
|
|
sizeof(PMLOG_COUNTERNAMES) + sizeof(LPWSTR) * (pLogName->dwLastCounterId + 1));
|
|
if (pMachine != NULL) {
|
|
pMachine->szSystemName = pLogName->szComputer;
|
|
pMachine->szNameTable = PointerSeek(pMachine, sizeof(PMLOG_COUNTERNAMES));
|
|
pMachine->dwLangId = pLogName->dwLangId;
|
|
pMachine->dwLastIndex = pLogName->dwLastCounterId;
|
|
pMachine->pNext = pPmLog->pFirstCounterNameTables;
|
|
pPmLog->pFirstCounterNameTables = pMachine;
|
|
}
|
|
else {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
}
|
|
}
|
|
if (Status == ERROR_SUCCESS) {
|
|
Status = PdhiBuildPmLogStringTable(pPmLog, pLogName, pMachine, pLogName->lUnmatchCounterNames);
|
|
}
|
|
}
|
|
else {
|
|
Status = PDH_UNABLE_READ_LOG_HEADER;
|
|
}
|
|
if (Status != ERROR_SUCCESS) break;
|
|
}
|
|
else if ((IndexTable[i]->uFlags & LogFileIndexData) != 0) {
|
|
// Process first LogFileIndexData block for initial machine-object cache structure.
|
|
//
|
|
if (IndexTable[i]->iSystemsLogged > iMaxSystemLogged) {
|
|
iMaxSystemLogged = IndexTable[i]->iSystemsLogged;
|
|
dwIndex = i;
|
|
}
|
|
}
|
|
}
|
|
if (Status == ERROR_SUCCESS) {
|
|
Status = (iMaxSystemLogged > 0) ? PdhiCachePerfDataBlock(pPmLog, IndexTable[dwIndex])
|
|
: PDH_UNABLE_READ_LOG_HEADER;
|
|
}
|
|
Cleanup:
|
|
return Status;
|
|
}
|
|
|
|
PPERF_DATA_BLOCK
|
|
PdhiDataFromIndex(
|
|
PPLAYBACKLOG pPlaybackLog,
|
|
PLOGINDEX pLogIndex,
|
|
LPCWSTR lpszSystemName
|
|
)
|
|
{
|
|
PPERF_DATA_BLOCK pPerfData;
|
|
PPERF_DATA_BLOCK pRtnBlock = NULL;
|
|
LPWSTR szLoggedComputerName = NULL;
|
|
int iNumSystem ;
|
|
|
|
// Note: NULL lpszSystemName means return first logged system name
|
|
// at the specified index.
|
|
pPerfData = PointerSeek(pPlaybackLog->pHeader, pLogIndex->lDataOffset);
|
|
|
|
for (iNumSystem = 0; iNumSystem < pLogIndex->iSystemsLogged; iNumSystem ++) {
|
|
if (pPerfData && pPerfData->Signature[0] == (WCHAR)'P' &&
|
|
pPerfData->Signature[1] == (WCHAR)'E' &&
|
|
pPerfData->Signature[2] == (WCHAR)'R' &&
|
|
pPerfData->Signature[3] == (WCHAR)'F') {
|
|
szLoggedComputerName = (LPWSTR) PointerSeek(pPerfData, pPerfData->SystemNameOffset);
|
|
if (lpszSystemName == NULL) {
|
|
pRtnBlock = pPerfData;
|
|
break;
|
|
}
|
|
else if (lstrlenW(lpszSystemName) > 2 && lpszSystemName[0] == L'\\' && lpszSystemName[1] == L'\\') {
|
|
if (lstrcmpiW(szLoggedComputerName, & (lpszSystemName[2])) == 0) {
|
|
pRtnBlock = pPerfData;
|
|
break;
|
|
}
|
|
}
|
|
else if (lstrcmpiW(szLoggedComputerName, lpszSystemName) == 0) {
|
|
pRtnBlock = pPerfData;
|
|
break;
|
|
}
|
|
pPerfData = (PPERFDATA)((PBYTE) pPerfData + pPerfData->TotalByteLength);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return pRtnBlock;
|
|
}
|
|
|
|
PPERF_OBJECT_TYPE
|
|
PdhiFindPerfObject(
|
|
PPERF_DATA_BLOCK pBlock,
|
|
DWORD dwObject
|
|
)
|
|
{
|
|
DWORD dwCount = pBlock->NumObjectTypes;
|
|
PVOID ptrEnd = PointerSeek(pBlock, pBlock->TotalByteLength);
|
|
PPERF_OBJECT_TYPE pObject = FirstObject(pBlock);
|
|
|
|
while (pObject != NULL && ((PVOID) pObject < ptrEnd) && dwCount > 0) {
|
|
dwCount --;
|
|
if (pObject->ObjectNameTitleIndex == dwObject) break;
|
|
pObject = (dwCount > 0) ? NextObject(pObject) : NULL;
|
|
if ((PVOID) pObject >= ptrEnd) pObject = NULL;
|
|
}
|
|
return pObject;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiCachePmLogObject(
|
|
PPLAYBACKLOG pPmLog,
|
|
LPWSTR szMachineName,
|
|
LPWSTR szObjectName
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
PPMLOG_COUNTERNAMES pCounterTable = NULL;
|
|
PPDHI_LOG_MACHINE pLogMachine = PdhiFindLogMachine(& pPmLog->MachineList, szMachineName, FALSE);
|
|
PPDHI_LOG_OBJECT pLogObject = NULL;
|
|
PPDHI_LOG_COUNTER pLogCounter = NULL;
|
|
PPDHI_LOG_COUNTER pLogInst;
|
|
PPDHI_LOG_COUNTER pLogInstHead;
|
|
PPERF_DATA_BLOCK pBlock;
|
|
PPERF_OBJECT_TYPE pObject;
|
|
PPERF_OBJECT_TYPE pParentObject;
|
|
PPERF_COUNTER_DEFINITION pCounter;
|
|
PPERF_INSTANCE_DEFINITION pInstance;
|
|
PPERF_INSTANCE_DEFINITION pParentInstance;
|
|
LPWSTR szCounter;
|
|
LPWSTR szInstance;
|
|
LPWSTR szParent;
|
|
DWORD dwInstance;
|
|
DWORD dwParent;
|
|
BOOL bInstance = FALSE;
|
|
DWORD i;
|
|
PVOID ptrEnd;
|
|
DWORD dwCount;
|
|
DWORD dwCounterID;
|
|
|
|
if (pLogMachine != NULL) {
|
|
pLogObject = PdhiFindLogObject(pLogMachine, & pLogMachine->ObjTable, szObjectName, FALSE);
|
|
}
|
|
if (pLogObject == NULL) {
|
|
Status = PDH_INVALID_ARGUMENT;
|
|
}
|
|
else if (pLogObject->bNeedExpand) {
|
|
pCounterTable = pPmLog->pFirstCounterNameTables;
|
|
while (pCounterTable != NULL) {
|
|
if (lstrcmpiW(pCounterTable->szSystemName, szMachineName) == 0) break;
|
|
pCounterTable = pCounterTable->pNext;
|
|
}
|
|
if (pCounterTable == NULL) {
|
|
Status = PDH_INVALID_ARGUMENT;
|
|
goto Cleanup;
|
|
}
|
|
|
|
for (i = 0; i < pPmLog->dwLastIndex; i ++) {
|
|
pBlock = PdhiDataFromIndex(pPmLog, pPmLog->LogIndexTable[i], szMachineName);
|
|
if (pBlock == NULL) continue;
|
|
|
|
pObject = PdhiFindPerfObject(pBlock, pLogObject->dwObject);
|
|
if (pObject == NULL) {
|
|
continue;
|
|
}
|
|
else if (pObject->TotalByteLength <= sizeof(PERF_OBJECT_TYPE)
|
|
|| pObject->DefinitionLength <= sizeof(PERF_OBJECT_TYPE)) {
|
|
continue;
|
|
}
|
|
|
|
dwCount = pObject->NumCounters;
|
|
ptrEnd = PointerSeek(pObject, pObject->DefinitionLength);
|
|
pCounter = FirstCounter(pObject);
|
|
while (pCounter != NULL && ((PVOID) pCounter < ptrEnd) && dwCount > 0) {
|
|
dwCount --;
|
|
szCounter = (LPWSTR) PdhiLookupLogPerfNameByIndex(pPmLog,
|
|
szMachineName,
|
|
pCounterTable->dwLangId,
|
|
pCounter->CounterNameTitleIndex);
|
|
if (szCounter != NULL) {
|
|
pLogCounter = PdhiFindPmCounterInstance(pLogObject,
|
|
szCounter,
|
|
pCounter->CounterType,
|
|
pCounter->DefaultScale,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
pCounter->CounterOffset,
|
|
& pCounter->CounterNameTitleIndex,
|
|
FALSE,
|
|
TRUE);
|
|
if (pLogCounter == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
break;
|
|
}
|
|
else if (pCounter->CounterType & PERF_TIMER_100NS) {
|
|
pLogCounter->TimeBase = (LONGLONG) 10000000;
|
|
}
|
|
else if (pCounter->CounterType & PERF_OBJECT_TIMER) {
|
|
// then get the time base freq from the object
|
|
pLogCounter->TimeBase = pObject->PerfFreq.QuadPart;
|
|
}
|
|
else { // if (pPerfCounter->CounterType & PERF_TIMER_TICK or other)
|
|
pLogCounter->TimeBase = pBlock->PerfFreq.QuadPart;
|
|
}
|
|
}
|
|
pCounter = NextCounter(pCounter);
|
|
if ((PVOID) pCounter >= ptrEnd) pCounter = NULL;
|
|
}
|
|
if (Status != ERROR_SUCCESS) continue;
|
|
|
|
dwCount = pObject->NumInstances;
|
|
bInstance = (dwCount != PERF_NO_INSTANCES) && (dwCount != 0);
|
|
if (bInstance) {
|
|
for (pLogCounter = pLogObject->InstList; pLogCounter != NULL; pLogCounter = pLogCounter->next) {
|
|
pLogCounter->dwCounterType = 0;
|
|
}
|
|
|
|
ptrEnd = PointerSeek(pObject, pObject->TotalByteLength);
|
|
pInstance = FirstInstance(pObject);
|
|
while (pInstance != NULL && ((PVOID) pInstance < ptrEnd) && dwCount > 0) {
|
|
dwCount --;
|
|
|
|
szInstance = (pInstance->NameOffset != 0) ? (LPWSTR) PointerSeek(pInstance, pInstance->NameOffset)
|
|
: NULL;
|
|
dwInstance = pInstance->UniqueID;
|
|
szParent = NULL;
|
|
dwParent = PERF_NO_UNIQUE_ID;
|
|
dwCounterID = 0;
|
|
if (pInstance->ParentObjectTitleIndex != 0) {
|
|
pParentObject = PdhiFindPerfObject(pBlock, pInstance->ParentObjectTitleIndex);
|
|
if (pParentObject != NULL && pParentObject->TotalByteLength > sizeof(PERF_OBJECT_TYPE)
|
|
&& pParentObject->DefinitionLength > sizeof(PERF_OBJECT_TYPE)) {
|
|
pParentInstance = GetInstance(pParentObject, pInstance->ParentObjectInstance);
|
|
if (pParentInstance != NULL) {
|
|
szParent = (pParentInstance->NameOffset != 0)
|
|
? (LPWSTR) PointerSeek(pParentInstance, pParentInstance->NameOffset) : NULL;
|
|
dwParent = pParentInstance->UniqueID;
|
|
dwCounterID = 1;
|
|
}
|
|
}
|
|
}
|
|
if (PdhiFindPmCounterInstance(pLogObject, NULL, 0, 0,
|
|
szInstance, dwInstance, szParent, dwParent, & dwCounterID, TRUE, TRUE) == NULL) {
|
|
Status = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
break;
|
|
}
|
|
|
|
pInstance = NextInstance(pInstance);
|
|
if ((PVOID) pInstance >= ptrEnd) pInstance = NULL;
|
|
}
|
|
|
|
}
|
|
|
|
if (pObject->NumInstances == PERF_NO_INSTANCES) break;
|
|
}
|
|
|
|
pLogInstHead = pLogObject->InstList;
|
|
pLogObject->InstList = NULL;
|
|
pLogObject->InstTable = NULL;
|
|
for (pLogInst = pLogInstHead; pLogInst != NULL; pLogInst = pLogInst->next) {
|
|
if (pLogInst->dwInstance != 0 && pLogInst->dwInstance != PERF_NO_UNIQUE_ID) {
|
|
PdhiFindPmCounterInstance(pLogObject,
|
|
NULL,
|
|
0,
|
|
0,
|
|
pLogInst->szInstance,
|
|
pLogInst->dwInstance,
|
|
pLogInst->szParent,
|
|
pLogInst->dwParent,
|
|
& pLogInst->dwCounterID,
|
|
TRUE,
|
|
TRUE);
|
|
}
|
|
else {
|
|
for (i = 0; i < pLogInst->dwDefaultScale; i ++) {
|
|
PdhiFindPmCounterInstance(pLogObject,
|
|
NULL,
|
|
0,
|
|
0,
|
|
pLogInst->szInstance,
|
|
i,
|
|
pLogInst->szParent,
|
|
pLogInst->dwParent,
|
|
& pLogInst->dwCounterID,
|
|
TRUE,
|
|
TRUE);
|
|
}
|
|
}
|
|
}
|
|
while (pLogInstHead != NULL) {
|
|
pLogInst = pLogInstHead;
|
|
pLogInstHead = pLogInst->next;
|
|
G_FREE(pLogInst);
|
|
}
|
|
|
|
pLogObject->bNeedExpand = FALSE;
|
|
}
|
|
|
|
Cleanup:
|
|
return Status;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiRewindPmLog(
|
|
PPDHI_LOG pLog,
|
|
PPLAYBACKLOG pPmLog
|
|
)
|
|
{
|
|
PDH_STATUS Status = ERROR_SUCCESS;
|
|
|
|
if (pPmLog->dwFirstIndex == 0) {
|
|
PLOGINDEX pIndex = NULL;
|
|
DWORD i;
|
|
for (i = 0; i < pPmLog->dwLastIndex; i ++) {
|
|
pIndex = pPmLog->LogIndexTable[i];
|
|
if ((pIndex->uFlags & LogFileIndexData) != 0) break;
|
|
}
|
|
|
|
if (i < pPmLog->dwLastIndex) {
|
|
pPmLog->dwFirstIndex = i;
|
|
}
|
|
}
|
|
if (pPmLog->dwFirstIndex != pPmLog->dwCurrentIndex) {
|
|
pLog->dwLastRecordRead = pPmLog->dwFirstIndex;
|
|
pPmLog->dwCurrentIndex = pPmLog->dwFirstIndex;
|
|
pLog->pLastRecordRead = PointerSeek(pPmLog->pHeader,
|
|
pPmLog->LogIndexTable[pPmLog->dwFirstIndex]->lDataOffset);
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiOpenInputPerfmonLog(
|
|
PPDHI_LOG pLog
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = ERROR_SUCCESS;
|
|
PPLAYBACKLOG pPmPbLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
|
|
pLog->StreamFile = (FILE *) ((DWORD_PTR) (-1));
|
|
|
|
// map file as a memory array for reading
|
|
|
|
if (pLog->hMappedLogFile != NULL && pLog->lpMappedFileBase != NULL) {
|
|
pLog->dwLastRecordRead = 0;
|
|
pLog->pLastRecordRead = NULL;
|
|
pLog->pPerfmonInfo = G_ALLOC(sizeof(PLAYBACKLOG));
|
|
if (pLog->pPerfmonInfo != NULL) {
|
|
pPmPbLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
// assumes structure was 0-init'd on allocation
|
|
pPmPbLog->llFileSize = pLog->llFileSize;
|
|
pPmPbLog->szFilePath = pLog->szLogFileName;
|
|
pPmPbLog->pHeader = pLog->lpMappedFileBase;
|
|
pPmPbLog->iTotalTics = 1;
|
|
pPmPbLog->dwFirstIndex = 0;
|
|
pPmPbLog->MachineList = NULL;
|
|
pPmPbLog->pFirstCounterNameTables = NULL;
|
|
pdhStatus = PdhiBuildPmLogIndexTable(pPmPbLog);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PdhiRewindPmLog(pLog, pPmPbLog);
|
|
}
|
|
}
|
|
else {
|
|
pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
}
|
|
}
|
|
else {
|
|
// return PDH Error
|
|
pdhStatus = PDH_LOG_FILE_OPEN_ERROR;
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiClosePerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
DWORD dwFlags
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = ERROR_SUCCESS;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
|
|
DBG_UNREFERENCED_PARAMETER(dwFlags);
|
|
|
|
if (pPlaybackLog != NULL) {
|
|
G_FREE(pPlaybackLog->LogIndexTable);
|
|
PdhiFreeLogMachineTable(& pPlaybackLog->MachineList);
|
|
PdhiFreePmMachineList(pPlaybackLog);
|
|
G_FREE(pLog->pPerfmonInfo);
|
|
pLog->pPerfmonInfo = NULL;
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiGetPerfmonLogCounterInfo(
|
|
PPDHI_LOG pLog,
|
|
PPDHI_COUNTER pCounter
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = PDH_LOG_FILE_OPEN_ERROR;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
PPDHI_LOG_MACHINE pLogMachine = NULL;
|
|
PPDHI_LOG_OBJECT pLogObject = NULL;
|
|
PPDHI_LOG_COUNTER pLogCounter = NULL;
|
|
PPDHI_LOG_COUNTER pLogInstance = NULL;
|
|
DWORD dwCounter;
|
|
|
|
PPERF_DATA_BLOCK pPerfData = NULL;
|
|
PPERF_OBJECT_TYPE pObjectDef;
|
|
PPERF_COUNTER_DEFINITION pPerfCounter;
|
|
PPERF_INSTANCE_DEFINITION pInstanceDef;
|
|
DWORD dwObjectId = 0;
|
|
LOGPOSITION LogPosition;
|
|
LOGINDEX * pLogIndex;
|
|
LPWSTR * pCounterNames = NULL;
|
|
DWORD dwLastCounterNameIndex = 0;
|
|
BOOL bObjectNumber = FALSE;
|
|
|
|
if (pPlaybackLog != NULL) {
|
|
pdhStatus = PdhiCachePmLogHeader(pPlaybackLog);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PdhiCachePmLogObject(pPlaybackLog,
|
|
pCounter->pCounterPath->szMachineName,
|
|
pCounter->pCounterPath->szObjectName);
|
|
}
|
|
}
|
|
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pLogMachine = PdhiFindLogMachine(& pPlaybackLog->MachineList, pCounter->pCounterPath->szMachineName, FALSE);
|
|
pCounter->pThisRawItemList = (LPVOID) pLogMachine;
|
|
if (pLogMachine != NULL) {
|
|
pLogObject = PdhiFindLogObject(
|
|
pLogMachine, & pLogMachine->ObjTable, pCounter->pCounterPath->szObjectName, FALSE);
|
|
pCounter->pLastRawItemList = (LPVOID) pLogObject;
|
|
if (pLogObject == NULL) {
|
|
pdhStatus = PDH_CSTATUS_NO_OBJECT;
|
|
}
|
|
}
|
|
else {
|
|
pdhStatus = PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pLogCounter = PdhiFindPmCounterInstance(pLogObject,
|
|
pCounter->pCounterPath->szCounterName,
|
|
0,
|
|
0,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
0,
|
|
& dwCounter,
|
|
FALSE,
|
|
FALSE);
|
|
pCounter->pThisObject = (LPVOID) pLogCounter;
|
|
if (pCounter->pCounterPath->szInstanceName != NULL) {
|
|
pLogInstance = PdhiFindPmCounterInstance(pLogObject,
|
|
NULL,
|
|
0,
|
|
0,
|
|
pCounter->pCounterPath->szInstanceName,
|
|
pCounter->pCounterPath->dwIndex,
|
|
pCounter->pCounterPath->szParentName,
|
|
0,
|
|
& dwCounter,
|
|
TRUE,
|
|
FALSE);
|
|
pCounter->pLastObject = (LPVOID) pLogInstance;
|
|
}
|
|
}
|
|
if (pLogCounter != NULL) {
|
|
if (pCounter->pCounterPath->szInstanceName != NULL) {
|
|
if (pLogInstance == NULL) {
|
|
pdhStatus = PDH_CSTATUS_NO_INSTANCE;
|
|
}
|
|
}
|
|
pCounter->plCounterInfo.dwObjectId = pLogObject->dwObject;
|
|
if (pLogInstance) {
|
|
pCounter->plCounterInfo.lInstanceId = (pLogInstance->szInstance == NULL)
|
|
? pLogInstance->dwInstance : PERF_NO_UNIQUE_ID;
|
|
pCounter->plCounterInfo.dwParentObjectId = pLogInstance->dwParent;
|
|
}
|
|
else {
|
|
pCounter->plCounterInfo.lInstanceId = PERF_NO_UNIQUE_ID;
|
|
pCounter->plCounterInfo.dwParentObjectId = PERF_NO_UNIQUE_ID;
|
|
}
|
|
pCounter->plCounterInfo.szInstanceName = pCounter->pCounterPath->szInstanceName;
|
|
pCounter->plCounterInfo.szParentInstanceName = pCounter->pCounterPath->szParentName;
|
|
pCounter->plCounterInfo.dwCounterId = pLogCounter->dwCounterID;
|
|
pCounter->plCounterInfo.dwCounterType = pLogCounter->dwCounterType;
|
|
pCounter->plCounterInfo.dwCounterSize = pLogCounter->dwInstance;
|
|
pCounter->plCounterInfo.lDefaultScale = pLogCounter->dwDefaultScale;
|
|
pCounter->TimeBase = pLogCounter->TimeBase;
|
|
}
|
|
else {
|
|
pdhStatus = PDH_CSTATUS_NO_COUNTER;
|
|
}
|
|
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiEnumMachinesFromPerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
LPVOID pBuffer,
|
|
LPDWORD pcchBufferSize,
|
|
BOOL bUnicodeDest
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = PDH_LOG_FILE_OPEN_ERROR;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
|
|
if (pPlaybackLog != NULL) {
|
|
pdhStatus = PdhiCachePmLogHeader(pPlaybackLog);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PdhiEnumCachedMachines(pPlaybackLog->MachineList, pBuffer, pcchBufferSize, bUnicodeDest);
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiEnumObjectsFromPerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
LPCWSTR lpszSystemName,
|
|
LPVOID pBuffer,
|
|
LPDWORD pcchBufferSize,
|
|
DWORD dwDetailLevel,
|
|
BOOL bUnicodeDest
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = PDH_LOG_FILE_OPEN_ERROR;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
|
|
if (pPlaybackLog != NULL) {
|
|
pdhStatus = PdhiCachePmLogHeader(pPlaybackLog);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PdhiEnumCachedObjects(
|
|
pPlaybackLog->MachineList, lpszSystemName, pBuffer, pcchBufferSize, dwDetailLevel, bUnicodeDest);
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiEnumObjectItemsFromPerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
LPCWSTR szMachineName,
|
|
LPCWSTR szObjectName,
|
|
PDHI_COUNTER_TABLE CounterTable,
|
|
DWORD dwDetailLevel,
|
|
DWORD dwFlags
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = PDH_LOG_FILE_OPEN_ERROR;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
|
|
DBG_UNREFERENCED_PARAMETER(dwFlags);
|
|
DBG_UNREFERENCED_PARAMETER(dwDetailLevel);
|
|
|
|
if (pPlaybackLog != NULL) {
|
|
pdhStatus = PdhiCachePmLogHeader(pPlaybackLog);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PdhiCachePmLogObject(pPlaybackLog, (LPWSTR) szMachineName, (LPWSTR) szObjectName);
|
|
}
|
|
}
|
|
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
PPDHI_LOG_MACHINE pMachine = NULL;
|
|
PPDHI_LOG_OBJECT pObject = NULL;
|
|
PPDHI_LOG_COUNTER pCtr = NULL;
|
|
PPDHI_LOG_COUNTER pInst = NULL;
|
|
PPDHI_INST_LIST pFirstInstList = NULL;
|
|
PPDHI_INST_LIST pInstList = NULL;
|
|
PPDHI_INSTANCE pInstance = NULL;
|
|
LONG nCounterCount = 0;
|
|
LONG nInstanceCount = 0;
|
|
|
|
pMachine = PdhiFindLogMachine(& pPlaybackLog->MachineList, (LPWSTR) szMachineName, FALSE);
|
|
if (pMachine == NULL) {
|
|
pdhStatus = PDH_CSTATUS_NO_MACHINE;
|
|
}
|
|
else {
|
|
pObject = PdhiFindLogObject(pMachine, & (pMachine->ObjTable), (LPWSTR) szObjectName, FALSE);
|
|
if (pObject == NULL) {
|
|
pdhStatus = PDH_CSTATUS_NO_OBJECT;
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
for (pCtr = pObject->CtrList; pCtr != NULL; pCtr = pCtr->next) {
|
|
pdhStatus = PdhiFindCounterInstList(CounterTable, pCtr->szCounter, & pInstList);
|
|
if (pdhStatus != ERROR_SUCCESS) {
|
|
continue;
|
|
}
|
|
else {
|
|
nCounterCount ++;
|
|
if (pFirstInstList == NULL) {
|
|
pFirstInstList = pInstList;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pFirstInstList != NULL) {
|
|
pInst = pObject->InstList;
|
|
if (pInst != NULL && pInst != PDH_INVALID_POINTER) {
|
|
LPWSTR szFullInstance = G_ALLOC(SMALL_BUFFER_SIZE * sizeof(WCHAR));
|
|
if (szFullInstance != NULL) {
|
|
while (pInst != NULL) {
|
|
ZeroMemory(szFullInstance, SMALL_BUFFER_SIZE * sizeof(WCHAR));
|
|
if (pInst->szInstance != NULL) {
|
|
if (pInst->dwCounterID != 0) {
|
|
if (pInst->szParent != NULL) {
|
|
if (pInst->dwInstance != 0 && pInst->dwInstance != PERF_NO_UNIQUE_ID) {
|
|
swprintf(szFullInstance, L"%ws%ws%ws#%u",
|
|
pInst->szParent, cszSlash, pInst->szInstance, pInst->dwInstance);
|
|
}
|
|
else {
|
|
swprintf(szFullInstance, L"%ws%ws%ws",
|
|
pInst->szParent, cszSlash, pInst->szInstance);
|
|
}
|
|
}
|
|
else {
|
|
if (pInst->dwInstance != 0 && pInst->dwInstance != PERF_NO_UNIQUE_ID) {
|
|
swprintf(szFullInstance, L"%u%ws%ws#%u",
|
|
pInst->dwParent, cszSlash, pInst->szInstance, pInst->dwInstance);
|
|
}
|
|
else {
|
|
swprintf(szFullInstance, L"%u%ws%ws",
|
|
pInst->dwParent, cszSlash, pInst->szInstance);
|
|
}
|
|
}
|
|
}
|
|
else if (pInst->dwInstance != 0 && pInst->dwInstance != PERF_NO_UNIQUE_ID) {
|
|
swprintf(szFullInstance, L"%ws#%u",
|
|
pInst->szInstance, pInst->dwInstance);
|
|
}
|
|
else {
|
|
lstrcpynW(szFullInstance, pInst->szInstance, SMALL_BUFFER_SIZE - 1);
|
|
}
|
|
}
|
|
else if (pInst->dwCounterID != 0) {
|
|
if (pInst->szParent != NULL) {
|
|
swprintf(szFullInstance, L"%ws%ws%u",
|
|
pInst->szParent, cszSlash, pInst->dwInstance);
|
|
}
|
|
else {
|
|
swprintf(szFullInstance, L"%u%ws%u",
|
|
pInst->dwParent, cszSlash, pInst->dwInstance);
|
|
}
|
|
}
|
|
else {
|
|
swprintf(szFullInstance, L"%u", pInst->dwInstance);
|
|
}
|
|
|
|
pdhStatus = PdhiFindInstance(& pFirstInstList->InstList, szFullInstance, TRUE, & pInstance);
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
nInstanceCount ++;
|
|
}
|
|
pInst = pInst->next;
|
|
}
|
|
}
|
|
else {
|
|
pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nCounterCount == 0 && nInstanceCount == 0) {
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pdhStatus = PDH_CSTATUS_NO_OBJECT;
|
|
}
|
|
}
|
|
else if (pdhStatus != PDH_MORE_DATA) {
|
|
// then the routine was successful. Errors that occurred
|
|
// while scanning will be ignored as long as at least
|
|
// one entry was successfully read
|
|
|
|
pdhStatus = ERROR_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiGetMatchingPerfmonLogRecord(
|
|
PPDHI_LOG pLog,
|
|
LONGLONG * pStartTime,
|
|
LPDWORD pdwIndex
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = ERROR_SUCCESS;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
DWORD dwThisIndex = 0;
|
|
DWORD dwLastIndex = 0;
|
|
LONGLONG llThisTime = 0;
|
|
PPERF_DATA_BLOCK pPerfData;
|
|
FILETIME ftGMT;
|
|
|
|
if (pPlaybackLog == NULL) {
|
|
pdhStatus = PDH_LOG_FILE_OPEN_ERROR; // log is invalid
|
|
}
|
|
else {
|
|
dwLastIndex = pPlaybackLog->dwFirstIndex;
|
|
for (dwThisIndex = pPlaybackLog->dwFirstIndex; dwThisIndex < pPlaybackLog->dwLastIndex; dwThisIndex ++) {
|
|
pPerfData = (PPERF_DATA_BLOCK) PointerSeek(
|
|
pPlaybackLog->pHeader, pPlaybackLog->LogIndexTable[dwThisIndex]->lDataOffset);
|
|
if (pPerfData != NULL) {
|
|
SystemTimeToFileTime(& pPerfData->SystemTime, & ftGMT);
|
|
FileTimeToLocalFileTime(& ftGMT, (FILETIME *) & llThisTime);
|
|
|
|
if (llThisTime == * pStartTime) {
|
|
// record found
|
|
break;
|
|
}
|
|
else if (llThisTime > * pStartTime) {
|
|
// go back one
|
|
dwThisIndex = dwLastIndex;
|
|
break;
|
|
}
|
|
else {
|
|
dwLastIndex = dwThisIndex;
|
|
// go to the next one
|
|
}
|
|
}
|
|
else {
|
|
dwLastIndex = dwThisIndex;
|
|
// go to the next one
|
|
}
|
|
}
|
|
if (dwThisIndex == pPlaybackLog->dwLastIndex) {
|
|
// then there's no more records in the log
|
|
pdhStatus = PDH_ENTRY_NOT_IN_LOG_FILE;
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
if (pdwIndex != NULL) * pdwIndex = dwThisIndex;
|
|
if (pLog->dwLastRecordRead != dwThisIndex) {
|
|
pLog->dwLastRecordRead = dwThisIndex;
|
|
pPlaybackLog->dwCurrentIndex = dwThisIndex;
|
|
pLog->pLastRecordRead = PointerSeek(pPlaybackLog->pHeader,
|
|
pPlaybackLog->LogIndexTable[dwThisIndex]->lDataOffset);
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
DWORD
|
|
PdhiGetPmBaseCounterOffset(
|
|
PPDHI_LOG_COUNTER pCounter,
|
|
PPERF_OBJECT_TYPE pPerfObject
|
|
)
|
|
{
|
|
DWORD dwReturn = pCounter->dwInstance;
|
|
|
|
if (pCounter->dwInstance == 0) {
|
|
PPERF_COUNTER_DEFINITION pPerfCounter = FirstCounter(pPerfObject);
|
|
DWORD dwCounter = pPerfObject->NumCounters;
|
|
PVOID pEndGuard = PointerSeek(pPerfObject, pPerfObject->DefinitionLength);
|
|
|
|
while (pPerfCounter != NULL && dwCounter > 0) {
|
|
dwCounter --;
|
|
if (pPerfCounter->CounterNameTitleIndex == pCounter->dwCounterID) {
|
|
pPerfCounter = NextCounter(pPerfCounter);
|
|
if (pPerfCounter == NULL) break;
|
|
if ((((LPVOID) pPerfCounter) < pEndGuard)
|
|
&& ((pPerfCounter->CounterType & PERF_COUNTER_BASE) != 0)) {
|
|
dwReturn = pPerfCounter->CounterOffset;
|
|
break;
|
|
}
|
|
}
|
|
if (((LPVOID) pPerfCounter) < pEndGuard) {
|
|
pPerfCounter = NextCounter(pPerfCounter);
|
|
}
|
|
if (((LPVOID) pPerfCounter) >= pEndGuard) pPerfCounter = NULL;
|
|
}
|
|
pCounter->dwInstance = dwReturn;
|
|
}
|
|
return dwReturn;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiGetCounterValueFromPerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
DWORD dwIndex,
|
|
PPDHI_COUNTER pCounter,
|
|
PPDH_RAW_COUNTER pValue
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = ERROR_SUCCESS;
|
|
PPLAYBACKLOG pPlaybackLog = (PPLAYBACKLOG) pLog->pPerfmonInfo;
|
|
PLOGINDEX pIndex = NULL;
|
|
PPERF_DATA_BLOCK pPerfData = NULL;
|
|
PPERF_OBJECT_TYPE pPerfObject = NULL;
|
|
PPERF_INSTANCE_DEFINITION pPerfInst = NULL;
|
|
PPERF_COUNTER_BLOCK pCtrBlock = NULL;
|
|
LPVOID pEndGuard;
|
|
PPDHI_LOG_MACHINE pLogMachine = (PPDHI_LOG_MACHINE) pCounter->pThisRawItemList;
|
|
PPDHI_LOG_OBJECT pLogObject = (PPDHI_LOG_OBJECT) pCounter->pLastRawItemList;
|
|
PPDHI_LOG_COUNTER pLogCounter = (PPDHI_LOG_COUNTER) pCounter->pThisObject;
|
|
PPDHI_LOG_COUNTER pLogInstance = (PPDHI_LOG_COUNTER) pCounter->pLastObject;
|
|
BOOL bReturn;
|
|
DWORD LocalCType;
|
|
DWORD * pdwData;
|
|
UNALIGNED LONGLONG * pllData;
|
|
LPVOID pData = NULL;
|
|
FILETIME ftGMT;
|
|
|
|
if (pPlaybackLog == NULL) {
|
|
pdhStatus = PDH_LOG_FILE_OPEN_ERROR; // log is invalid
|
|
}
|
|
else if (dwIndex < pPlaybackLog->dwFirstIndex) {
|
|
// invalid dwIndex value
|
|
pdhStatus = PDH_INVALID_ARGUMENT;
|
|
}
|
|
else if (dwIndex >= pPlaybackLog->dwLastIndex) {
|
|
pdhStatus = PDH_NO_MORE_DATA;
|
|
}
|
|
else if (pLogMachine == NULL || pLogObject == NULL || pLogCounter == NULL) {
|
|
pdhStatus = PDH_ENTRY_NOT_IN_LOG_FILE;
|
|
}
|
|
else {
|
|
if (pLog->dwLastRecordRead != dwIndex) {
|
|
pLog->dwLastRecordRead = dwIndex;
|
|
pPlaybackLog->dwCurrentIndex = dwIndex;
|
|
pLog->pLastRecordRead = PointerSeek(pPlaybackLog->pHeader,
|
|
pPlaybackLog->LogIndexTable[dwIndex]->lDataOffset);
|
|
}
|
|
pIndex = pPlaybackLog->LogIndexTable[dwIndex];
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
// find a matching system...
|
|
if (pLogMachine->pBlock != NULL && pLogMachine->dwIndex == dwIndex) {
|
|
pPerfData = pLogMachine->pBlock;
|
|
}
|
|
else {
|
|
pPerfData = PdhiDataFromIndex(pPlaybackLog, pIndex, pCounter->pCounterPath->szMachineName);
|
|
pLogMachine->pBlock = pPerfData;
|
|
pLogMachine->dwIndex = dwIndex;
|
|
}
|
|
|
|
if (pPerfData == NULL) {
|
|
pdhStatus = PDH_CSTATUS_NO_MACHINE;
|
|
pLogObject->pObjData = NULL;
|
|
pLogObject->dwIndex = dwIndex;
|
|
}
|
|
else if (pLogObject->pObjData != NULL && pLogObject->dwIndex == dwIndex) {
|
|
pPerfObject = pLogObject->pObjData;
|
|
}
|
|
else {
|
|
pEndGuard = PointerSeek(pPerfData, pPerfData->TotalByteLength);
|
|
pPerfObject = PdhiFindPerfObject(pPerfData, pLogObject->dwObject);
|
|
pLogObject->dwIndex = dwIndex;
|
|
if (pPerfObject != NULL && ((LPVOID) pPerfObject) < pEndGuard) {
|
|
pLogObject->pObjData = pPerfObject;
|
|
}
|
|
else {
|
|
pLogObject->pObjData = NULL;
|
|
pdhStatus = PDH_CSTATUS_NO_OBJECT;
|
|
}
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
pEndGuard = PointerSeek(pPerfObject, pPerfObject->TotalByteLength);
|
|
if (pPerfObject->NumInstances == PERF_NO_INSTANCES) {
|
|
pCtrBlock = (PPERF_COUNTER_BLOCK) PointerSeek(pPerfObject, pPerfObject->DefinitionLength);
|
|
if (pCtrBlock != NULL && ((LPVOID) pCtrBlock) < pEndGuard) {
|
|
pData = PointerSeek(pCtrBlock, pLogCounter->dwParent);
|
|
if (pData >= pEndGuard) pData = NULL;
|
|
}
|
|
}
|
|
else if (pLogInstance != NULL) {
|
|
if (pLogInstance->szCounter != NULL && pLogInstance->dwCounterType == dwIndex) {
|
|
pCtrBlock = (PPERF_COUNTER_BLOCK) pLogInstance->szCounter;
|
|
}
|
|
else {
|
|
if (pCounter->plCounterInfo.lInstanceId == PERF_NO_UNIQUE_ID
|
|
&& pCounter->pCounterPath->szInstanceName != NULL) {
|
|
pPerfInst = GetInstanceByName(pPerfData,
|
|
pPerfObject,
|
|
pCounter->pCounterPath->szInstanceName,
|
|
pCounter->pCounterPath->szParentName,
|
|
pCounter->pCounterPath->dwIndex);
|
|
if (pPerfInst == NULL && pCounter->pCounterPath->szInstanceName[0] >= L'0'
|
|
&& pCounter->pCounterPath->szInstanceName[0] <= L'9') {
|
|
LONG lInstanceId = (LONG) _wtoi(pCounter->pCounterPath->szInstanceName);
|
|
pPerfInst = GetInstanceByUniqueId(pPerfObject, lInstanceId);
|
|
}
|
|
}
|
|
else {
|
|
pPerfInst = GetInstanceByUniqueId(pPerfObject, pCounter->plCounterInfo.lInstanceId);
|
|
}
|
|
if (((LPVOID) pPerfInst) >= pEndGuard) pPerfInst = NULL;
|
|
if (pPerfInst != NULL) {
|
|
pCtrBlock = (PPERF_COUNTER_BLOCK) PointerSeek(pPerfInst, pPerfInst->ByteLength);
|
|
if (((LPVOID) pCtrBlock) >= pEndGuard) pCtrBlock = NULL;
|
|
}
|
|
pLogInstance->szCounter = (LPVOID) pCtrBlock;
|
|
pLogInstance->dwCounterType = dwIndex;
|
|
}
|
|
|
|
if (pCtrBlock != NULL) {
|
|
pData = PointerSeek(pCtrBlock, pLogCounter->dwParent);
|
|
if (pData >= pEndGuard) pData = NULL;
|
|
}
|
|
else {
|
|
pdhStatus = PDH_CSTATUS_NO_INSTANCE;
|
|
}
|
|
}
|
|
else {
|
|
pdhStatus = PDH_CSTATUS_NO_INSTANCE;
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
if (pData == NULL) {
|
|
pdhStatus = PDH_INVALID_DATA;
|
|
}
|
|
else {
|
|
// assume success
|
|
bReturn = TRUE;
|
|
|
|
// convert system time in GMT to Local File time
|
|
SystemTimeToFileTime(& pPerfData->SystemTime, & ftGMT);
|
|
FileTimeToLocalFileTime(& ftGMT, & pValue->TimeStamp);
|
|
|
|
pValue->MultiCount = 1; // unless changed
|
|
|
|
// load counter value based on counter type
|
|
LocalCType = pCounter->plCounterInfo.dwCounterType;
|
|
switch (LocalCType) {
|
|
//
|
|
// these counter types are loaded as:
|
|
// Numerator = Counter data from perf data block
|
|
// Denominator = Perf Time from perf data block
|
|
// (the time base is the PerfFreq)
|
|
//
|
|
case PERF_COUNTER_COUNTER:
|
|
case PERF_COUNTER_QUEUELEN_TYPE:
|
|
case PERF_SAMPLE_COUNTER:
|
|
pValue->FirstValue = (LONGLONG) (* (DWORD *) pData);
|
|
pValue->SecondValue = pPerfData->PerfTime.QuadPart;
|
|
break;
|
|
|
|
case PERF_OBJ_TIME_TIMER:
|
|
pValue->FirstValue = (LONGLONG) (* (DWORD *) pData);
|
|
pValue->SecondValue = pPerfObject->PerfTime.QuadPart;
|
|
break;
|
|
|
|
case PERF_COUNTER_100NS_QUEUELEN_TYPE:
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
pValue->SecondValue = pPerfData->PerfTime100nSec.QuadPart;
|
|
break;
|
|
|
|
case PERF_COUNTER_OBJ_TIME_QUEUELEN_TYPE:
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
pValue->SecondValue = pPerfObject->PerfTime.QuadPart;
|
|
break;
|
|
|
|
case PERF_COUNTER_TIMER:
|
|
case PERF_COUNTER_TIMER_INV:
|
|
case PERF_COUNTER_BULK_COUNT:
|
|
case PERF_COUNTER_MULTI_TIMER:
|
|
case PERF_COUNTER_LARGE_QUEUELEN_TYPE:
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
pValue->SecondValue = pPerfData->PerfTime.QuadPart;
|
|
if ((LocalCType & PERF_MULTI_COUNTER) == PERF_MULTI_COUNTER) {
|
|
pValue->MultiCount = (DWORD) * ++ pllData;
|
|
}
|
|
break;
|
|
//
|
|
// These counters do not use any time reference
|
|
//
|
|
case PERF_COUNTER_RAWCOUNT:
|
|
case PERF_COUNTER_RAWCOUNT_HEX:
|
|
pValue->FirstValue = (LONGLONG) (* (DWORD *) pData);
|
|
pValue->SecondValue = 0;
|
|
break;
|
|
|
|
case PERF_COUNTER_LARGE_RAWCOUNT:
|
|
case PERF_COUNTER_LARGE_RAWCOUNT_HEX:
|
|
pValue->FirstValue = * (LONGLONG *) pData;
|
|
pValue->SecondValue = 0;
|
|
break;
|
|
//
|
|
// These counters use the 100 Ns time base in thier calculation
|
|
//
|
|
case PERF_100NSEC_TIMER:
|
|
case PERF_100NSEC_TIMER_INV:
|
|
case PERF_100NSEC_MULTI_TIMER:
|
|
case PERF_100NSEC_MULTI_TIMER_INV:
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
pValue->SecondValue = pPerfData->PerfTime100nSec.QuadPart;
|
|
if ((LocalCType & PERF_MULTI_COUNTER) == PERF_MULTI_COUNTER) {
|
|
++ pllData;
|
|
pValue->MultiCount = * (DWORD *) pllData;
|
|
}
|
|
break;
|
|
//
|
|
// These counters use two data points, the one pointed to by
|
|
// pData and the one immediately after
|
|
//
|
|
case PERF_SAMPLE_FRACTION:
|
|
case PERF_RAW_FRACTION:
|
|
pdwData = (DWORD *) pData;
|
|
pValue->FirstValue = (LONGLONG) (* pdwData);
|
|
// find the pointer to the base value in the structure
|
|
PdhiGetPmBaseCounterOffset(pLogCounter, pPerfObject);
|
|
if (pLogCounter->dwInstance > 0) {
|
|
pData = PointerSeek(pCtrBlock, pLogCounter->dwInstance);
|
|
pdwData = (DWORD *) pData;
|
|
pValue->SecondValue = (LONGLONG) (* pdwData);
|
|
}
|
|
else {
|
|
// unable to locate base value
|
|
pValue->SecondValue = 0;
|
|
bReturn = FALSE;
|
|
}
|
|
break;
|
|
|
|
case PERF_PRECISION_SYSTEM_TIMER:
|
|
case PERF_PRECISION_100NS_TIMER:
|
|
case PERF_PRECISION_OBJECT_TIMER:
|
|
pllData = (LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
// find the pointer to the base value in the structure
|
|
PdhiGetPmBaseCounterOffset(pLogCounter, pPerfObject);
|
|
if (pLogCounter->dwInstance > 0) {
|
|
pData = PointerSeek(pCtrBlock, pLogCounter->dwInstance);
|
|
pllData = (LONGLONG *) pData;
|
|
pValue->SecondValue = * pllData;
|
|
}
|
|
else {
|
|
// unable to locate base value
|
|
pValue->SecondValue = 0;
|
|
bReturn = FALSE;
|
|
}
|
|
break;
|
|
|
|
case PERF_AVERAGE_TIMER:
|
|
case PERF_AVERAGE_BULK:
|
|
// counter (numerator) is a LONGLONG, while the
|
|
// denominator is just a DWORD
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = * pllData;
|
|
PdhiGetPmBaseCounterOffset(pLogCounter, pPerfObject);
|
|
if (pLogCounter->dwInstance > 0) {
|
|
pData = PointerSeek(pCtrBlock, pLogCounter->dwInstance);
|
|
pdwData = (DWORD *) pData;
|
|
pValue->SecondValue = * pdwData;
|
|
}
|
|
else {
|
|
pValue->SecondValue = 0;
|
|
bReturn = FALSE;
|
|
}
|
|
break;
|
|
//
|
|
// These counters are used as the part of another counter
|
|
// and as such should not be used, but in case they are
|
|
// they'll be handled here.
|
|
//
|
|
case PERF_SAMPLE_BASE:
|
|
case PERF_AVERAGE_BASE:
|
|
case PERF_COUNTER_MULTI_BASE:
|
|
case PERF_RAW_BASE:
|
|
pValue->FirstValue = 0;
|
|
pValue->SecondValue = 0;
|
|
break;
|
|
|
|
case PERF_ELAPSED_TIME:
|
|
// this counter type needs the object perf data as well
|
|
pValue->SecondValue = pPerfObject->PerfTime.QuadPart;
|
|
pCounter->TimeBase = pPerfObject->PerfFreq.QuadPart;
|
|
pllData = (UNALIGNED LONGLONG *) pData;
|
|
pValue->FirstValue = *pllData;
|
|
break;
|
|
//
|
|
// These counters are not supported by this function (yet)
|
|
//
|
|
case PERF_COUNTER_TEXT:
|
|
case PERF_COUNTER_NODATA:
|
|
case PERF_COUNTER_HISTOGRAM_TYPE:
|
|
pValue->FirstValue = 0;
|
|
pValue->SecondValue = 0;
|
|
break;
|
|
|
|
default:
|
|
// an unidentified counter was returned so
|
|
pValue->FirstValue = 0;
|
|
pValue->SecondValue = 0;
|
|
bReturn = FALSE;
|
|
break;
|
|
}
|
|
pValue->CStatus = PDH_CSTATUS_VALID_DATA;
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiGetTimeRangeFromPerfmonLog(
|
|
PPDHI_LOG pLog,
|
|
LPDWORD pdwNumEntries,
|
|
PPDH_TIME_INFO pInfo,
|
|
LPDWORD pdwBufferSize
|
|
)
|
|
/*++
|
|
the first entry in the buffer returned is the total time range covered
|
|
in the file, if there are multiple time blocks in the log file, then
|
|
subsequent entries will identify each segment in the file.
|
|
--*/
|
|
{
|
|
PDH_STATUS pdhStatus = ERROR_SUCCESS;
|
|
PPLAYBACKLOG pPlaybackLog = (PLAYBACKLOG *) pLog->pPerfmonInfo;
|
|
PDH_TIME_INFO LocalTimeInfo = {0,0,0};
|
|
PPERF_DATA_BLOCK pPerfData;
|
|
FILETIME ftGMT;
|
|
|
|
if (pPlaybackLog == NULL) {
|
|
pdhStatus = PDH_INVALID_HANDLE; // log is invalid
|
|
}
|
|
else {
|
|
pPerfData = (PPERF_DATA_BLOCK) PointerSeek(
|
|
pPlaybackLog->pHeader, pPlaybackLog->LogIndexTable[pPlaybackLog->dwFirstIndex]->lDataOffset);
|
|
if (pPerfData != NULL) {
|
|
SystemTimeToFileTime(& pPerfData->SystemTime, & ftGMT);
|
|
FileTimeToLocalFileTime(& ftGMT, (FILETIME *) & LocalTimeInfo.StartTime);
|
|
}
|
|
else {
|
|
pdhStatus = PDH_NO_DATA;
|
|
}
|
|
|
|
pPerfData = (PPERF_DATA_BLOCK) PointerSeek(
|
|
pPlaybackLog->pHeader, pPlaybackLog->LogIndexTable[pPlaybackLog->dwLastIndex - 1]->lDataOffset);
|
|
if (pPerfData != NULL) {
|
|
SystemTimeToFileTime(& pPerfData->SystemTime, & ftGMT);
|
|
FileTimeToLocalFileTime(& ftGMT, (FILETIME *) & LocalTimeInfo.EndTime);
|
|
}
|
|
else {
|
|
pdhStatus = PDH_NO_DATA;
|
|
}
|
|
}
|
|
if (pdhStatus == ERROR_SUCCESS) {
|
|
LocalTimeInfo.SampleCount = pPlaybackLog->dwLastIndex - pPlaybackLog->dwFirstIndex;
|
|
if (pInfo != NULL && * pdwBufferSize >= sizeof(PDH_TIME_INFO)) {
|
|
* pdwNumEntries = 1;
|
|
* pInfo = LocalTimeInfo;
|
|
* pdwBufferSize = sizeof(PDH_TIME_INFO);
|
|
pdhStatus = ERROR_SUCCESS;
|
|
}
|
|
else {
|
|
* pdwBufferSize = sizeof(PDH_TIME_INFO);
|
|
pdhStatus = PDH_MORE_DATA;
|
|
}
|
|
}
|
|
return pdhStatus;
|
|
}
|
|
|
|
PDH_FUNCTION
|
|
PdhiReadRawPerfmonLogRecord(
|
|
PPDHI_LOG pLog,
|
|
FILETIME * ftRecord,
|
|
PPDH_RAW_LOG_RECORD pBuffer,
|
|
LPDWORD pdwBufferLength
|
|
)
|
|
{
|
|
PDH_STATUS pdhStatus = PDH_NOT_IMPLEMENTED;
|
|
|
|
DBG_UNREFERENCED_PARAMETER(pLog);
|
|
DBG_UNREFERENCED_PARAMETER(ftRecord);
|
|
DBG_UNREFERENCED_PARAMETER(pBuffer);
|
|
DBG_UNREFERENCED_PARAMETER(pdwBufferLength);
|
|
|
|
return pdhStatus;
|
|
}
|