174 lines
3.9 KiB
C++
174 lines
3.9 KiB
C++
//+----------------------------------------------------------------------------
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//
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// Copyright (C) 2000, Microsoft Corporation
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//
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// File: DfsRootFolder.hxx
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//
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// Contents: the Root DFS Folder class
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//
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// Classes: DfsRootFolder
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//
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// History: Dec. 8 2000, Author: udayh
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//
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//-----------------------------------------------------------------------------
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#ifndef __DFS_STATISTICS__
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#define __DFS_STATISTICS__
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#include "DfsGeneric.hxx"
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#define LARGE_TIME_REFERRAL 1000
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#define SMALL_TIME_REFERRAL 50
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class DfsStatistics: public DfsGeneric
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{
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private:
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LONG Hits;
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LONG Misses;
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LONG TotalReferrals;
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ULONG MinReferralTime;
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ULONG MaxReferralTime;
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LONG LargeTimeReferrals;
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LONG SmallTimeReferrals;
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LONG NumberOfErrors;
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LONG DfsRequiredMemory;
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LONG DfsReferralCacheMemory;
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LONG ReferralsInMemory;
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LONG LinksAdded;
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LONG LinksDeleted;
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LONG LinksModified;
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LONG ForcedCacheFlush;
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LONG ReferralsFlushed;
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ULONG CacheFlushInterval;
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SYSTEMTIME StartTime;
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public:
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DfsStatistics() : DfsGeneric( DFS_OBJECT_TYPE_STATISTICS )
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{
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Hits = 0;
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Misses = 0;
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TotalReferrals = 0;
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MinReferralTime = ~0;
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MaxReferralTime = 0;
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LargeTimeReferrals = 0;
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SmallTimeReferrals = 0;
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NumberOfErrors = 0;
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DfsRequiredMemory = 0;
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DfsReferralCacheMemory = 0;
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ReferralsInMemory = 0;
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LinksAdded = 0;
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LinksDeleted = 0;
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LinksModified = 0;
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ForcedCacheFlush = 0;
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CacheFlushInterval = 0;
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GetLocalTime( &StartTime );
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}
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~DfsStatistics()
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{
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NOTHING;
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}
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VOID
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UpdateReferralStat ( BOOLEAN CacheHit,
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ULONG TimeConsumed,
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NTSTATUS ReferralStatus )
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{
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InterlockedIncrement( &TotalReferrals );
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if (ReferralStatus != STATUS_SUCCESS)
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{
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InterlockedIncrement( &NumberOfErrors);
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}
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else {
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if (CacheHit == TRUE)
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{
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InterlockedIncrement( &Hits );
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}
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else
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{
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InterlockedIncrement( &Misses );
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}
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if (TimeConsumed < MinReferralTime)
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{
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MinReferralTime = TimeConsumed;
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}
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else if (TimeConsumed > MaxReferralTime)
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{
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MaxReferralTime = TimeConsumed;
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}
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if (TimeConsumed > LARGE_TIME_REFERRAL)
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{
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InterlockedIncrement( &LargeTimeReferrals );
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}
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else if (TimeConsumed < SMALL_TIME_REFERRAL)
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{
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InterlockedIncrement( &SmallTimeReferrals );
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}
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}
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return NOTHING;
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}
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VOID
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AddCacheMemoryStat ( LONG Size )
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{
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InterlockedExchangeAdd( &DfsReferralCacheMemory, Size );
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}
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VOID
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SubCacheMemoryStat ( LONG Size )
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{
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InterlockedExchangeAdd( &DfsReferralCacheMemory, (-Size) );
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}
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VOID
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AddRequiredMemoryStat ( LONG Size )
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{
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InterlockedExchangeAdd( &DfsRequiredMemory, Size );
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}
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VOID
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SubRequiredMemoryStat ( LONG Size )
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{
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InterlockedExchangeAdd( &DfsRequiredMemory, (-Size) );
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}
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VOID
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UpdateLinkAdded()
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{
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InterlockedIncrement( &LinksAdded );
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}
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VOID
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UpdateLinkDeleted()
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{
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InterlockedIncrement( &LinksDeleted );
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}
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VOID
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UpdateLinkModified()
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{
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InterlockedIncrement( &LinksModified );
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}
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VOID
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UpdateForcedCacheFlush()
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{
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InterlockedIncrement( &ForcedCacheFlush );
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}
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VOID
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DumpStatistics(
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PUNICODE_STRING pLogicalShare );
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};
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#endif // __DFS_STATISTICS__
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