778 lines
22 KiB
C
778 lines
22 KiB
C
//==========================================================================//
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// Includes //
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//==========================================================================//
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#include "perfmon.h"
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#include "playback.h" // external declarations for this module
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#include "bookmark.h" // for BookmarkAppend
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#include "grafdata.h" // for ResetGraph
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#include "perfdata.h" // for UpdateLinesForSystem
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#include "perfmops.h" // for SystemTimeDateString
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#include "log.h"
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#include "pmemory.h" // for MemoryAllocate
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#include "fileutil.h"
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#include "utils.h"
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#include "alert.h" // for ResetAlert
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#include "report.h" // for ResetReport
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NTSTATUS
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AddNamesToArray (
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LPTSTR pNames,
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DWORD dwLastID,
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LPWSTR *lpCounterId
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);
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void
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PlaybackAddCounterName (
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PLOGINDEX pIndex
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);
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//==========================================================================//
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// Macros //
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//==========================================================================//
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#define PointerSeek(pBase, lFileOffset) \
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((PVOID) ((PBYTE) pBase + lFileOffset))
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//==========================================================================//
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// Local Functions //
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//==========================================================================//
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PVOID
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PlaybackSeek (
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long lFileOffset
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)
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{
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return (PointerSeek (PlaybackLog.pHeader, lFileOffset)) ;
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}
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PLOGINDEXBLOCK
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FirstIndexBlock (
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PLOGHEADER pLogHeader
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)
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{
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return ((PLOGINDEXBLOCK) PointerSeek (pLogHeader, pLogHeader->iLength)) ;
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}
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PLOGINDEX
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IndexFromPosition (
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PLOGPOSITION pLogPosition
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)
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{
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return (&pLogPosition->pIndexBlock->aIndexes [pLogPosition->iIndex]) ;
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}
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PPERFDATA
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DataFromIndex (
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PLOGINDEX pLogIndex,
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LPTSTR lpszSystemName
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)
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{
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PPERFDATA pPerfData;
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TCHAR szLoggedComputerName[MAX_PATH + 3] ;
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int iNumSystem ;
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// Note: NULL lpszSystemName means return first logged system name
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// at the specified index.
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pPerfData = PlaybackSeek (pLogIndex->lDataOffset) ;
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for (iNumSystem = 0;
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iNumSystem < pLogIndex->iSystemsLogged;
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iNumSystem++) {
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if ( pPerfData &&
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pPerfData->Signature[0] == (WCHAR)'P' &&
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pPerfData->Signature[1] == (WCHAR)'E' &&
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pPerfData->Signature[2] == (WCHAR)'R' &&
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pPerfData->Signature[3] == (WCHAR)'F' ) {
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GetPerfComputerName(pPerfData, szLoggedComputerName) ;
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if (!lpszSystemName || strsamei(lpszSystemName, szLoggedComputerName)) {
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return pPerfData ;
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}
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pPerfData = (PPERFDATA)((PBYTE) pPerfData +
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pPerfData->TotalByteLength) ;
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} else {
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break ;
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}
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}
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return NULL ;
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}
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PPERFDATA
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DataFromIndexPosition (
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PLOGPOSITION pLogPosition,
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LPTSTR lpszSystemName
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)
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{
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PLOGINDEX pLogIndex ;
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// long lDataFileOffset ;
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pLogIndex = IndexFromPosition (pLogPosition) ;
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return (DataFromIndex (pLogIndex, lpszSystemName)) ;
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}
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BOOL
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NextLogPosition (
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IN OUT PLOGPOSITION pLogPosition
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)
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{
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PLOGINDEXBLOCK pIndexBlock ;
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if (pLogPosition->pIndexBlock->iNumIndexes == 0) {
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// no data in this index block. This is most likely
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// a corrupted log file caused by system failure...
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return (FALSE) ;
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}
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if (pLogPosition->iIndex == pLogPosition->pIndexBlock->iNumIndexes - 1) {
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if (pLogPosition->pIndexBlock->lNextBlockOffset) {
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pIndexBlock =
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PlaybackSeek (pLogPosition->pIndexBlock->lNextBlockOffset) ;
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if (pIndexBlock->iNumIndexes == 0) {
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// no data in the next index block. This is most likely
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// a corrupted log file caused by system failure...
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return (FALSE) ;
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} else {
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pLogPosition->pIndexBlock = pIndexBlock ;
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pLogPosition->iIndex = 0 ;
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return (TRUE) ;
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}
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} else
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return (FALSE) ;
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} else {
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pLogPosition->iIndex++ ;
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return (TRUE) ;
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}
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}
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BOOL
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NextIndexPosition (
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IN OUT PLOGPOSITION pLogPosition,
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BOOL bCheckForNonDataIndexes
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)
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/*
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Effect: Set pLogPosition to the next log position from
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the current position of pLogPosition if there is one.
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Returns: Whether there was a next log position.
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*/
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{
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LOGPOSITION LP ;
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PLOGINDEX pIndex ;
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PBOOKMARK pBookmarkDisk, pBookmark ;
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// LONG lFilePosition ;
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pIndex = IndexFromPosition (pLogPosition) ;
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LP = *pLogPosition ;
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pBookmark = NULL ;
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while (TRUE) {
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if (!NextLogPosition (&LP))
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return (FALSE) ;
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pIndex = IndexFromPosition (&LP) ;
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if (pIndex && bCheckForNonDataIndexes && IsCounterNameIndex (pIndex)) {
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PlaybackAddCounterName (pIndex) ;
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}
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if (pIndex && bCheckForNonDataIndexes && IsBookmarkIndex (pIndex)) {
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if (pBookmark) {
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// this is the case when several bookmarks are
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// found before any data index...
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pBookmark->iTic = PlaybackLog.iTotalTics ;
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BookmarkAppend (&PlaybackLog.pBookmarkFirst, pBookmark) ;
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}
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pBookmarkDisk = PlaybackSeek (pIndex->lDataOffset) ;
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pBookmark = MemoryAllocate (sizeof (BOOKMARK)) ;
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if (pBookmark) {
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*pBookmark = *pBookmarkDisk;
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pBookmark->pBookmarkNext = NULL ;
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}
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else return (FALSE);
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}
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if (pIndex && IsDataIndex (pIndex)) {
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LP.iPosition++ ;
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*pLogPosition = LP ;
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if (pBookmark) {
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pBookmark->iTic = PlaybackLog.iTotalTics ;
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BookmarkAppend (&PlaybackLog.pBookmarkFirst, pBookmark) ;
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}
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return (TRUE) ;
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}
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}
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}
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BOOL
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NextReLogIndexPosition (
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IN OUT PLOGPOSITION pLogPosition
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)
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/*
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Effect: Set pLogPosition to the next log position from
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the current position of pLogPosition if there is one.
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Will return bookmarks, counternames, or data.
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Returns: Whether there was a next relog position.
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*/
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{
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LOGPOSITION LP ;
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PLOGINDEX pIndex ;
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// LONG lFilePosition ;
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pIndex = IndexFromPosition (pLogPosition) ;
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LP = *pLogPosition ;
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if (!NextLogPosition (&LP))
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return (FALSE) ;
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pIndex = IndexFromPosition (&LP) ;
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if (pIndex && IsDataIndex (pIndex)) {
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LP.iPosition++ ;
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}
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*pLogPosition = LP ;
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return (TRUE) ;
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}
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//==========================================================================//
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// Exported Functions //
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//==========================================================================//
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void
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PlaybackInitializeInstance (void)
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{
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PlaybackLog.iStatus = iPMStatusClosed ;
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PlaybackLog.hFile = NULL ;
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PlaybackLog.szFilePath = MemoryAllocate (FilePathLen * sizeof (TCHAR)) ;
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if (PlaybackLog.szFilePath) {
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lstrcpy (PlaybackLog.szFilePath, szDefaultLogFileName) ;
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}
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PlaybackLog.szFileTitle = MemoryAllocate (FilePathLen * sizeof (TCHAR)) ;
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if (PlaybackLog.szFileTitle) {
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lstrcpy (PlaybackLog.szFileTitle, szDefaultLogFileName) ;
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}
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}
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INT
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OpenPlayback (
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LPTSTR lpszFilePath,
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LPTSTR lpszFileTitle
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)
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{
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BOOL bFirstTime = TRUE ;
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lstrcpy (PlaybackLog.szFilePath, lpszFilePath) ;
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lstrcpy (PlaybackLog.szFileTitle, lpszFileTitle) ;
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PlaybackLog.hFile = FileHandleReadOnly (lpszFilePath) ;
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if (!PlaybackLog.hFile || PlaybackLog.hFile == INVALID_HANDLE_VALUE) {
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return (ERR_CANT_OPEN) ;
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}
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PlaybackLog.pHeader = (PLOGHEADER) FileMap (PlaybackLog.hFile,
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&PlaybackLog.hMapHandle) ;
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if (!PlaybackLog.pHeader) {
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if (PlaybackLog.hMapHandle) {
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CloseHandle (PlaybackLog.hMapHandle) ;
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}
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CloseHandle (PlaybackLog.hFile) ;
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return (ERR_CANT_OPEN) ;
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}
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if (!strsame (PlaybackLog.pHeader->szSignature, LogFileSignature)) {
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FileUnMap((LPVOID)PlaybackLog.pHeader, PlaybackLog.hMapHandle) ;
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CloseHandle (PlaybackLog.hFile) ;
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return (ERR_BAD_LOG_FILE) ;
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}
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PlaybackLog.BeginIndexPos.pIndexBlock = FirstIndexBlock (PlaybackLog.pHeader) ;
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PlaybackLog.BeginIndexPos.iIndex = 0 ;
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PlaybackLog.BeginIndexPos.iPosition = 0 ;
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PlaybackLog.pBookmarkFirst = NULL ;
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PlaybackLog.iTotalTics = 1 ;
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PlaybackLog.EndIndexPos = PlaybackLog.BeginIndexPos ;
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while (NextIndexPosition (&PlaybackLog.EndIndexPos, TRUE)) {
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if (bFirstTime) {
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// set the begin index to the first data index
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bFirstTime = FALSE ;
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PlaybackLog.BeginIndexPos.iIndex =
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PlaybackLog.EndIndexPos.iIndex ;
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} else {
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PlaybackLog.iTotalTics++ ;
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}
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}
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if (PlaybackLog.iTotalTics == 1 ) {
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// no data inside the log file. It must be a corrupted
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// log file
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FileUnMap((LPVOID)PlaybackLog.pHeader, PlaybackLog.hMapHandle) ;
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CloseHandle (PlaybackLog.hFile) ;
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return (ERR_CORRUPT_LOG) ;
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}
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// PlaybackLog.StartIndexPos = PlaybackLog.BeginIndexPos ;
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// getthe first data index
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if (!LogPositionN (1, &(PlaybackLog.StartIndexPos))) {
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PlaybackLog.StartIndexPos = PlaybackLog.BeginIndexPos ;
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}
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PlaybackLog.StopIndexPos = PlaybackLog.EndIndexPos ;
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PlaybackLog.StopIndexPos.iPosition =
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min (PlaybackLog.StopIndexPos.iPosition,
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PlaybackLog.iTotalTics - 1 ) ;
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PlaybackLog.iSelectedTics = PlaybackLog.iTotalTics ;
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PlaybackLog.iStatus = iPMStatusPlaying ;
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return (0) ;
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}
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void
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CloseInputLog (
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HWND hWndParent
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)
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{
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PBOOKMARK pBookmark, pNextBookmark ;
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BOOL retCode, retCode1 ;
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PLOGCOUNTERNAME pLogCounterName, pNextCounterName ;
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UNREFERENCED_PARAMETER (hWndParent) ;
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// free the bookmark list
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for (pBookmark = PlaybackLog.pBookmarkFirst ;
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pBookmark ;
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pBookmark = pNextBookmark ) {
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// save next bookmark and free current bookmark
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pNextBookmark = pBookmark->pBookmarkNext ;
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MemoryFree (pBookmark) ;
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}
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PlaybackLog.pBookmarkFirst = NULL ;
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// free all counter names stuff
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if (PlaybackLog.pBaseCounterNames) {
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MemoryFree (PlaybackLog.pBaseCounterNames) ;
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}
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PlaybackLog.pBaseCounterNames = NULL ;
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PlaybackLog.lBaseCounterNameSize = 0 ;
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PlaybackLog.lBaseCounterNameOffset = 0 ;
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for (pLogCounterName = PlaybackLog.pLogCounterNameFirst ;
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pLogCounterName ;
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pLogCounterName = pNextCounterName) {
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pNextCounterName = pLogCounterName->pCounterNameNext ;
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MemoryFree (pLogCounterName->pRemainNames) ;
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MemoryFree (pLogCounterName) ;
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}
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PlaybackLog.pLogCounterNameFirst = NULL ;
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retCode1 = FileUnMap((LPVOID)PlaybackLog.pHeader, PlaybackLog.hMapHandle) ;
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retCode = CloseHandle (PlaybackLog.hFile) ;
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PlaybackLog.iStatus = iPMStatusClosed ;
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ResetGraphView (hWndGraph) ;
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ResetAlertView (hWndAlert) ;
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ResetLogView (hWndLog) ;
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ResetReportView (hWndReport) ;
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}
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BOOL
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LogPositionN (
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int iIndex,
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PLOGPOSITION pLP
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)
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{
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LOGPOSITION LP ;
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int i ;
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LP = PlaybackLog.BeginIndexPos ;
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for (i = 0 ;
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i < iIndex ;
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i++) {
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if (!NextIndexPosition (&LP, FALSE))
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return (FALSE) ;
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}
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*pLP = LP ;
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return (TRUE) ;
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}
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PLOGINDEX
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PlaybackIndexN (
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int iIndex
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)
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{
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LOGPOSITION LP ;
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int i ;
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LP = PlaybackLog.BeginIndexPos ;
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for (i = 0 ;
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i < iIndex ;
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i++) {
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if (!NextIndexPosition (&LP, FALSE))
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return (NULL) ;
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}
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return (IndexFromPosition (&LP)) ;
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}
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BOOL
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PlaybackLines (
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PPERFSYSTEM pSystemFirst,
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PLINE pLineFirst,
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int iLogTic
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)
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{
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PLOGINDEX pLogIndex ;
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PPERFDATA pPerfData ;
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PPERFSYSTEM pSystem ;
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BOOL bAnyFound ;
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pLogIndex = PlaybackIndexN (iLogTic) ;
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if (!pLogIndex)
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return (FALSE) ;
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bAnyFound = FALSE ;
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for (pSystem = pSystemFirst ;
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pSystem ;
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pSystem = pSystem->pSystemNext) { // for
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pPerfData = DataFromIndex (pLogIndex, pSystem->sysName) ;
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if (pPerfData) {
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UpdateLinesForSystem (pSystem->sysName,
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pPerfData,
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pLineFirst,
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NULL) ;
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bAnyFound = TRUE ;
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} else {
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FailedLinesForSystem (pSystem->sysName,
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pPerfData,
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pLineFirst) ;
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}
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}
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return (bAnyFound) ;
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}
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PPERFDATA
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LogDataFromPosition (
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PPERFSYSTEM pSystem,
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PLOGPOSITION pLogPosition
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)
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{
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PLOGINDEX pLogIndex ;
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if (!pLogPosition)
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return (NULL) ;
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pLogIndex = IndexFromPosition (pLogPosition) ;
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if (!pLogIndex)
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return (NULL) ;
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return (DataFromIndex (pLogIndex, pSystem->sysName)) ;
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}
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BOOL
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LogPositionSystemTime (
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PLOGPOSITION pLP,
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SYSTEMTIME *pSystemTime
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)
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/*
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Effect: Given a logposition, get the index entry for that position
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and return the system time stored therein.
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*/
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{
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PLOGINDEX pLogIndex ;
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pLogIndex = IndexFromPosition (pLP) ;
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if (!pLogIndex)
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return (FALSE) ;
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*pSystemTime = pLogIndex->SystemTime ;
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return TRUE;
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}
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int
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LogPositionIntervalSeconds (
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PLOGPOSITION pLPStart,
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PLOGPOSITION pLPStop
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)
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/*
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Effect: Return the time difference (in seconds) between the
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system times of the two specified log positions.
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*/
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{
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SYSTEMTIME SystemTimeStart ;
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SYSTEMTIME SystemTimeStop ;
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if (LogPositionSystemTime (pLPStart, &SystemTimeStart) &&
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LogPositionSystemTime (pLPStop, &SystemTimeStop))
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return (SystemTimeDifference (&SystemTimeStart,
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&SystemTimeStop, TRUE)) ;
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else
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return (0) ;
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}
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int
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PlaybackSelectedSeconds (void)
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{
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return (LogPositionIntervalSeconds (&PlaybackLog.StartIndexPos,
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&PlaybackLog.StopIndexPos)) ;
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}
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void
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BuildLogComputerList (
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HWND hDlg,
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int DlgID
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)
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{
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PPERFDATA pPerfData;
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int iNumSystem ;
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HWND hListBox = GetDlgItem (hDlg, DlgID) ;
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PLOGINDEX pLogIndex ;
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TCHAR szLoggedComputerName[MAX_PATH + 3] ;
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pLogIndex = IndexFromPosition (&(PlaybackLog.StartIndexPos)) ;
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pPerfData = PlaybackSeek (pLogIndex->lDataOffset) ;
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for (iNumSystem = 0; iNumSystem < pLogIndex->iSystemsLogged; iNumSystem++) {
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if ( pPerfData &&
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pPerfData->Signature[0] == (WCHAR)'P' &&
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pPerfData->Signature[1] == (WCHAR)'E' &&
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pPerfData->Signature[2] == (WCHAR)'R' &&
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pPerfData->Signature[3] == (WCHAR)'F' ) {
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GetPerfComputerName(pPerfData, szLoggedComputerName) ;
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if (LBFind (hListBox, szLoggedComputerName) != LB_ERR) {
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// computer name already exist, we must have reach the next
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// block of perfdata
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break ;
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}
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LBAdd (hListBox, szLoggedComputerName) ;
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pPerfData = (PPERFDATA)((PBYTE) pPerfData + pPerfData->TotalByteLength) ;
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|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
PlaybackAddCounterName (
|
|
PLOGINDEX pIndex
|
|
)
|
|
{
|
|
PLOGCOUNTERNAME pLogCounterName = NULL,
|
|
pListCounterName = NULL;
|
|
PLOGFILECOUNTERNAME pDiskCounterName ;
|
|
PVOID pCounterData ;
|
|
BOOL bExist = FALSE ;
|
|
|
|
pDiskCounterName = PlaybackSeek (pIndex->lDataOffset) ;
|
|
|
|
// check we have a record for this system
|
|
for (pListCounterName = PlaybackLog.pLogCounterNameFirst ;
|
|
pListCounterName ;
|
|
pListCounterName = pListCounterName->pCounterNameNext) {
|
|
if (strsamei(pDiskCounterName->szComputer,
|
|
pListCounterName->CounterName.szComputer)) {
|
|
// found!
|
|
pLogCounterName = pListCounterName ;
|
|
bExist = TRUE ;
|
|
break ;
|
|
}
|
|
}
|
|
|
|
if (!bExist) {
|
|
// new counter name record
|
|
if (!(pLogCounterName = MemoryAllocate (sizeof(LOGCOUNTERNAME)))) {
|
|
return ;
|
|
}
|
|
} else {
|
|
// free old memory in previous counter name record.
|
|
if (pLogCounterName->pRemainNames) {
|
|
MemoryFree (pLogCounterName->pRemainNames) ;
|
|
}
|
|
pLogCounterName->pRemainNames = NULL ;
|
|
}
|
|
|
|
pLogCounterName->CounterName = *pDiskCounterName ;
|
|
|
|
if (pDiskCounterName->lBaseCounterNameOffset == 0) {
|
|
// this is the base counter names,
|
|
// get the master copy of the counter names
|
|
|
|
if (!(pCounterData =
|
|
MemoryAllocate (pDiskCounterName->lUnmatchCounterNames))) {
|
|
MemoryFree (pLogCounterName) ;
|
|
return ;
|
|
}
|
|
|
|
// free the old one if it exists.
|
|
if (PlaybackLog.pBaseCounterNames) {
|
|
MemoryFree (PlaybackLog.pBaseCounterNames) ;
|
|
}
|
|
|
|
PlaybackLog.pBaseCounterNames = pCounterData ;
|
|
|
|
pCounterData =
|
|
PlaybackSeek (pDiskCounterName->lCurrentCounterNameOffset) ;
|
|
|
|
memcpy (PlaybackLog.pBaseCounterNames,
|
|
pCounterData,
|
|
pDiskCounterName->lUnmatchCounterNames) ;
|
|
|
|
PlaybackLog.lBaseCounterNameSize =
|
|
pDiskCounterName->lUnmatchCounterNames ;
|
|
|
|
PlaybackLog.lBaseCounterNameOffset =
|
|
pDiskCounterName->lBaseCounterNameOffset ;
|
|
} else if (pDiskCounterName->lUnmatchCounterNames) {
|
|
// this is not a based system and it has extra counter names
|
|
// allocate a buffer to hold them
|
|
pLogCounterName->pRemainNames =
|
|
MemoryAllocate (pDiskCounterName->lUnmatchCounterNames) ;
|
|
|
|
if (pLogCounterName->pRemainNames) {
|
|
pCounterData =
|
|
PlaybackSeek (pDiskCounterName->lCurrentCounterNameOffset) ;
|
|
|
|
memcpy(pLogCounterName->pRemainNames,
|
|
pCounterData,
|
|
pDiskCounterName->lUnmatchCounterNames) ;
|
|
}
|
|
}
|
|
|
|
if (!bExist) {
|
|
// now add the new counter name record to the linked list
|
|
if (!PlaybackLog.pLogCounterNameFirst) {
|
|
PlaybackLog.pLogCounterNameFirst = pLogCounterName ;
|
|
} else {
|
|
for (pListCounterName = PlaybackLog.pLogCounterNameFirst ;
|
|
pListCounterName->pCounterNameNext ;
|
|
pListCounterName = pListCounterName->pCounterNameNext) {
|
|
// do nothing until we get to the end of the list
|
|
;
|
|
}
|
|
pListCounterName->pCounterNameNext = pLogCounterName ;
|
|
}
|
|
}
|
|
|
|
} // PlaybackAddCounterName
|
|
|
|
|
|
LPWSTR *
|
|
LogBuildNameTable (
|
|
PPERFSYSTEM pSysInfo
|
|
)
|
|
{
|
|
DWORD dwArraySize ;
|
|
PLOGCOUNTERNAME pCounterName ;
|
|
LPWSTR *lpCounterId = NULL ;
|
|
LPWSTR lpCounterNames ;
|
|
NTSTATUS Status ;
|
|
|
|
for (pCounterName = PlaybackLog.pLogCounterNameFirst ;
|
|
pCounterName ;
|
|
pCounterName = pCounterName->pCounterNameNext) {
|
|
if (strsamei (pSysInfo->sysName, pCounterName->CounterName.szComputer)) {
|
|
// found the right system
|
|
break ;
|
|
}
|
|
}
|
|
if (!pCounterName) {
|
|
goto ERROR_EXIT ;
|
|
}
|
|
|
|
dwArraySize = (pCounterName->CounterName.dwLastCounterId + 1)
|
|
* sizeof (LPWSTR) ;
|
|
|
|
lpCounterId = MemoryAllocate (dwArraySize +
|
|
pCounterName->CounterName.lMatchLength +
|
|
pCounterName->CounterName.lUnmatchCounterNames ) ;
|
|
|
|
if (!lpCounterId) {
|
|
goto ERROR_EXIT ;
|
|
}
|
|
|
|
// initialize pointers into buffer
|
|
|
|
lpCounterNames = (LPWSTR)((LPBYTE)lpCounterId + dwArraySize);
|
|
if (pCounterName->CounterName.lBaseCounterNameOffset == 0) {
|
|
// this is the base system
|
|
memcpy(lpCounterNames,
|
|
PlaybackLog.pBaseCounterNames,
|
|
PlaybackLog.lBaseCounterNameSize) ;
|
|
} else {
|
|
// copy the matched portion from the base system
|
|
memcpy(lpCounterNames,
|
|
PlaybackLog.pBaseCounterNames,
|
|
pCounterName->CounterName.lMatchLength) ;
|
|
|
|
// copy the unmatched portion
|
|
if (pCounterName->CounterName.lUnmatchCounterNames) {
|
|
memcpy(((PBYTE)lpCounterNames +
|
|
pCounterName->CounterName.lMatchLength),
|
|
pCounterName->pRemainNames,
|
|
pCounterName->CounterName.lUnmatchCounterNames) ;
|
|
}
|
|
}
|
|
|
|
Status = AddNamesToArray (lpCounterNames,
|
|
pCounterName->CounterName.dwLastCounterId,
|
|
lpCounterId) ;
|
|
|
|
if (Status != ERROR_SUCCESS) {
|
|
goto ERROR_EXIT ;
|
|
}
|
|
|
|
pSysInfo->CounterInfo.dwLastId =
|
|
pCounterName->CounterName.dwLastCounterId ;
|
|
pSysInfo->CounterInfo.dwLangId =
|
|
pCounterName->CounterName.dwLangId ;
|
|
pSysInfo->CounterInfo.dwHelpSize = 0 ;
|
|
pSysInfo->CounterInfo.dwCounterSize =
|
|
pCounterName->CounterName.lMatchLength +
|
|
pCounterName->CounterName.lUnmatchCounterNames ;
|
|
|
|
return (lpCounterId) ;
|
|
|
|
ERROR_EXIT:
|
|
if (lpCounterId) {
|
|
MemoryFree (lpCounterId) ;
|
|
}
|
|
return (NULL) ;
|
|
}
|