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442 lines
13 KiB
442 lines
13 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996-1999
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//
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// File: IdqPerf.hxx
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//
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// Contents: Perfmon counters for ISAPI search engine.
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//
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// History: 15-Mar-1996 KyleP Created (from perfci.hxx)
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <idqperf.hxx>
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#include <smem.hxx>
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#include "prfutil.hxx"
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//
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// For Ci - ISAPI HTTP
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//
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CI_ISAPI_DATA_DEFINITION CIISAPIDataDefinition = {
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{ sizeof(CI_ISAPI_DATA_DEFINITION) +
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CI_ISAPI_SIZE_OF_COUNTER_BLOCK, // Total Bytes ( Size of this header, the counter definitions
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// and the size of the actual counter data )
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sizeof(CI_ISAPI_DATA_DEFINITION),// Definition length ( This header and the counter definitions )
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sizeof(PERF_OBJECT_TYPE), // Header Length ( This header )
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CIISAPIOBJECT, // Object Name Title Index
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0, // Object Name Title
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CIISAPIOBJECT, // Object Help Title Index
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0, // Object Help Title
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PERF_DETAIL_NOVICE, // Detail Level
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CI_ISAPI_TOTAL_NUM_COUNTERS, // Number of Counters
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1, // Default Counters
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PERF_NO_INSTANCES, // Num Instances
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0, // Code Page
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{0,0}, // Perf Time
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{0,0} // Perf Freq
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Number of cache items
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NUM_CACHE_ITEMS,
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0,
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NUM_CACHE_ITEMS,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_CACHE_ITEMS_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Number of cache hits
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NUM_CACHE_HITS,
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0,
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NUM_CACHE_HITS,
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0,
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-1,
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PERF_DETAIL_NOVICE,
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PERF_RAW_FRACTION,
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sizeof(DWORD),
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NUM_CACHE_HITS_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Base for number of cache hits
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NUM_CACHE_HITS_AND_MISSES_1,
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0,
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NUM_CACHE_HITS_AND_MISSES_1,
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0,
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-1,
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PERF_DETAIL_NOVICE,
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PERF_RAW_BASE,
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sizeof(DWORD),
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NUM_CACHE_HITS_AND_MISSES_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Number of cache misses
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NUM_CACHE_MISSES,
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0,
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NUM_CACHE_MISSES,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_RAW_FRACTION,
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sizeof(DWORD),
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NUM_CACHE_MISSES_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Base for number of cache hits
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NUM_CACHE_HITS_AND_MISSES_2,
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0,
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NUM_CACHE_HITS_AND_MISSES_2,
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0,
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-1,
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PERF_DETAIL_NOVICE,
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PERF_RAW_BASE,
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sizeof(DWORD),
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NUM_CACHE_HITS_AND_MISSES_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Number of running queries
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NUM_RUNNING_QUERIES,
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0,
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NUM_RUNNING_QUERIES,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_RUNNING_QUERIES_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Total queries
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NUM_TOTAL_QUERIES,
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0,
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NUM_TOTAL_QUERIES,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_TOTAL_QUERIES_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Number of queries per minute
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NUM_QUERIES_PER_MINUTE,
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0,
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NUM_QUERIES_PER_MINUTE,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_QUERIES_PER_MINUTE_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Current # of queued requests
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NUM_REQUESTS_QUEUED,
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0,
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NUM_REQUESTS_QUEUED,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_REQUESTS_QUEUED_OFF
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},
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{ sizeof(PERF_COUNTER_DEFINITION), // Total # of rejected requests
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NUM_REQUESTS_REJECTED,
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0,
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NUM_REQUESTS_REJECTED,
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0,
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0,
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PERF_DETAIL_NOVICE,
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PERF_COUNTER_RAWCOUNT,
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sizeof(DWORD),
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NUM_REQUESTS_REJECTED_OFF
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}
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};
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CNamedSharedMem TheMem;
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WCHAR const CIISAPIPerformanceKeyName[] =
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TEXT("SYSTEM\\CurrentControlSet\\Services\\ISAPISearch\\Performance");
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WCHAR const FirstCounterKeyName [] = TEXT("First Counter");
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WCHAR const FirstHelpKeyName [] = TEXT("First Help");
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//+---------------------------------------------------------------------------
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//
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// Function: InitializeCIISAPIerformanceData
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//
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// Purpose: Build and initialize the performance data structure.
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//
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// Arguments: [pInstance] -- dummy variable
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//
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// History: 15-Mar-96 KyleP Created
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//
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//----------------------------------------------------------------------------
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DWORD InitializeCIISAPIPerformanceData( LPWSTR pInstance )
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{
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//
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// Some apps open perfmon keys more than once and Done() doesn't
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// free any resources, do don't bother refcounting.
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//
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static BOOL fInit = FALSE;
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if ( fInit )
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return NO_ERROR;
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CTranslateSystemExceptions translate;
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TRY
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{
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if ( !TheMem.Ok() )
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TheMem.OpenForRead( CI_ISAPI_PERF_SHARED_MEM );
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//
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// If no IDQ queries have been issued, there will be no memory, but
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// don't fail the initialize; just return 0 data in Collect().
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// This (apparently) is the intended design of perfmon.
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//
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if ( 0 == TheMem.GetPointer() )
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return NO_ERROR; //the collect function will just return no data
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}
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CATCH( CException, e )
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{
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return NO_ERROR; // the collect function will just return no data
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}
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END_CATCH;
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//
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// Open the registry which contain the last key's index
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//
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HKEY hKeyPerf = 0;
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LONG status = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
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CIISAPIPerformanceKeyName,
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0L,
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KEY_READ,
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&hKeyPerf );
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if (status != ERROR_SUCCESS)
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{
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RegCloseKey( hKeyPerf );
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//ciGibDebugOut(( DEB_ERROR, "Error in RegOpenKeyEx\n"));
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return status;
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}
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//
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// Get the index of the first counter
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//
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DWORD type;
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DWORD dwFirstCounter;
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DWORD size = sizeof dwFirstCounter;
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status = RegQueryValueEx( hKeyPerf, FirstCounterKeyName, 0L, &type,
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(LPBYTE)&dwFirstCounter, &size);
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if (status != ERROR_SUCCESS)
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{
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//ciGibDebugOut(( DEB_ERROR, "Error in Query First Counter\n"));
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RegCloseKey( hKeyPerf );
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return status;
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}
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//
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// Get the index of the first help
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//
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DWORD dwFirstHelp;
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size = sizeof dwFirstHelp;
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status = RegQueryValueEx( hKeyPerf, FirstHelpKeyName,
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0L, &type, (LPBYTE)&dwFirstHelp, &size );
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if (status != ERROR_SUCCESS)
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{
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//ciGibDebugOut(( DEB_ERROR, "Error in Query First Help Key\n"));
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RegCloseKey( hKeyPerf );
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return status;
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}
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//
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// Update the index of both title and help of each counter
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//
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CIISAPIDataDefinition.CIISAPIObjectType.ObjectNameTitleIndex += dwFirstCounter;
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CIISAPIDataDefinition.CIISAPIObjectType.ObjectHelpTitleIndex += dwFirstHelp;
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PERF_COUNTER_DEFINITION * pTmp = (PERF_COUNTER_DEFINITION *) ((BYTE *)&CIISAPIDataDefinition
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+ sizeof(PERF_OBJECT_TYPE) );
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for ( unsigned i = 0;
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i < CIISAPIDataDefinition.CIISAPIObjectType.NumCounters;
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i++ )
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{
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pTmp->CounterNameTitleIndex += dwFirstCounter;
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pTmp->CounterHelpTitleIndex += dwFirstHelp;
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pTmp++;
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}
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//
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// Close the registry key
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//
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RegCloseKey( hKeyPerf );
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//
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// set the flag to TRUE
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//
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//ciGibDebugOut((DEB_ITRACE, "InitializeFilterPerformanceData : Done\n" ));
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fInit = TRUE;
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return ERROR_SUCCESS;
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} //InitializeCIISAPIPerformanceData
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//+---------------------------------------------------------------------------
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//
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// Function : CollectCIISAPIPerformanceData
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//
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// Purpose : Collect Performance Data of Content Index to PerfMon
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//
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// Arguments:
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// [lpValueName] -- pointer to a wide character string passed by registry
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//
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// [lppData] -- IN: pointer to the address of the buffer to receive the
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// completed PerfDataBlock and subordinate structures. This
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// routine will append its data to the buffer starting at
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// the point referenced by *lppData.
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//
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// OUT: points to the first byte after the data structure
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// added by this routine. This routine updated the value at
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// lppdata after appending its data.
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//
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// [lpcbTotalBytes] -- IN: the address of the DWORD that tells the size in bytes
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// of the buffer referenced by the lppData argument
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//
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// OUT: the number of bytes added by this routine is written
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// to the DWORD pointed to by this argument
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//
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// [lpNumObjectTypes] -- IN: the address of the DWORD to receive the number of
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// objects added by this routine
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//
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// OUT: the number of objects added by this routine is written
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// to the DWORD pointed to by this argument
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//
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// History : 23-March-94 t-joshh Created
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//
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// Return : ERROR_MORE_DATA if the size of the input buffer is too small
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// ERROR_SUCCESS if success
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//----------------------------------------------------------------------------
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DWORD CollectCIISAPIPerformanceData( LPWSTR lpValueName,
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LPVOID *lppData,
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LPDWORD lpcbTotalBytes,
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LPDWORD lpNumObjectTypes )
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{
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//
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// see if this is a foreign (i.e. non-NT) computer data request
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//
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DWORD dwQueryType = GetQueryType (lpValueName);
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if ( ( QUERY_FOREIGN == dwQueryType ) ||
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( !TheMem.Ok() ) )
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{
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//
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// This routine does not service requests for data from
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// Non-NT computers. Or if Init() failed.
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//
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*lpcbTotalBytes = (DWORD) 0;
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*lpNumObjectTypes = (DWORD) 0;
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return( ERROR_SUCCESS );
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}
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//
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// If the caller only wanted some counter, check if we have them
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//
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if ( dwQueryType == QUERY_ITEMS )
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{
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WCHAR wcsNum[50];
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_ultow( CIISAPIDataDefinition.CIISAPIObjectType.ObjectNameTitleIndex,
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wcsNum,
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10 );
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if ( 0 == wcsstr( lpValueName, wcsNum ) )
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{
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//
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// request received for data object not provided by this routine
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//
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*lpcbTotalBytes = (DWORD) 0;
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*lpNumObjectTypes = (DWORD) 0;
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return( ERROR_SUCCESS );
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}
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}
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//
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// Check whether there is enough space allocated in the lppData
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//
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ULONG ulSpaceNeeded = CIISAPIDataDefinition.CIISAPIObjectType.TotalByteLength;
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if ( *lpcbTotalBytes < (DWORD) ulSpaceNeeded )
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{
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*lpcbTotalBytes = (DWORD) 0;
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*lpNumObjectTypes = (DWORD) 0;
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return( ERROR_MORE_DATA );
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}
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//
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// Copy the Data Definition to the buffer first
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//
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CI_ISAPI_DATA_DEFINITION * pCIISAPIDataDefinition =
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(CI_ISAPI_DATA_DEFINITION *) *lppData;
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RtlCopyMemory( pCIISAPIDataDefinition,
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&CIISAPIDataDefinition,
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sizeof(CI_ISAPI_DATA_DEFINITION) );
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DWORD * pdwCounter = (DWORD *)( pCIISAPIDataDefinition + 1 );
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//
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// Number of Object are always 1
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//
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*lpNumObjectTypes = 1;
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//
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// Fill in counter block.
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//
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*pdwCounter = CI_ISAPI_SIZE_OF_COUNTER_BLOCK;
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pdwCounter++;
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RtlCopyMemory( pdwCounter, TheMem.GetPointer(), CI_ISAPI_SIZE_OF_COUNTER_BLOCK - sizeof(DWORD) );
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//
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// Fill in the number of bytes copied including object and counter
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// definition and counter data
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//
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*lpcbTotalBytes = ulSpaceNeeded;
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*lppData = (void *) (((BYTE *) *lppData) + ulSpaceNeeded);
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return ERROR_SUCCESS;
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} //CollectCIISAPIPerformanceData
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//+---------------------------------------------------------------------------
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//
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// Function : DoneCIISAPIPerformanceData
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//
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// Purpose : dummy function
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//
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// Argument : none
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//
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// History : 23-March-94 t-joshh Created
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//
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//----------------------------------------------------------------------------
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DWORD DoneCIISAPIPerformanceData ( void )
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{
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return ERROR_SUCCESS;
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}
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