145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
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/*++
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Copyright (c) 1994-1997 Microsoft Corporation
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Module Name :
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wamstats.hxx
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Abstract:
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Declares a class consisting of statistics information.
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( Multiple instances of the same object can be created for reuse)
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Author:
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Murali R. Krishnan ( MuraliK ) 04-Nov-1994
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Project:
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Web Application Manager DLL
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Revision History:
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Murali R. Krishnan ( MuraliK ) 1-Apr-1997
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--*/
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# ifndef _WAMSTATS_HXX_
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# define _WAMSTATS_HXX_
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/************************************************************
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* Include Headers
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************************************************************/
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# include "iperfctr.hxx" // standard macro defs for counters
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# include "wam.h"
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/************************************************************
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* Type Definitions
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************************************************************/
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# define IPWAM_STATS_INCR( ctrName) \
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void Incr ## ctrName(void) \
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{ \
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IP_INCREMENT_COUNTER( m_WamStats.ctrName); \
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}
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# define IPWAM_STATS_DECR( ctrName) \
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void Decr ## ctrName(void) \
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{ \
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IP_DECREMENT_COUNTER( m_WamStats.ctrName); \
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}
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# define IPWAM_STATS_QUERY( ctrName) \
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LONG Query ## ctrName(void) \
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{ \
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return (IP_COUNTER_VALUE( m_WamStats.ctrName)); \
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}
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//
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// A counter inside the statistics block should use the following three
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// macros for defining "query", "incr" and "decr" methods inside
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// the statistics object
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//
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# define IPWAM_STATS_COUNTER( ctrName) \
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IPWAM_STATS_INCR( ctrName); \
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IPWAM_STATS_DECR( ctrName); \
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IPWAM_STATS_QUERY( ctrName); \
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class WAM_STATISTICS {
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private:
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WAM_STATISTICS_0 m_WamStats;
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// local lock to synchronize access among threads
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// NYI: SPIN-COUNT
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CRITICAL_SECTION m_csStatsLock;
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public:
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VOID LockStatistics( VOID) { EnterCriticalSection( &m_csStatsLock); }
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VOID UnlockStatistics( VOID) { LeaveCriticalSection( &m_csStatsLock); }
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WAM_STATISTICS( VOID);
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~WAM_STATISTICS( VOID)
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{ DeleteCriticalSection( &m_csStatsLock); };
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VOID ClearStatistics( VOID);
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//
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// copies statistics for RPC querying.
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//
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DWORD CopyToStatsBuffer( PWAM_STATISTICS_0 pStat0 );
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// BGI Requests
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void IncrWamRequests( void);
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IPWAM_STATS_INCR( CurrentWamRequests);
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IPWAM_STATS_QUERY( CurrentWamRequests);
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IPWAM_STATS_DECR( CurrentWamRequests);
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IPWAM_STATS_COUNTER( TotalWamRequests);
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}; // WAM_STATISTICS
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typedef WAM_STATISTICS FAR * PWAM_STATISTICS;
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/************************************************************
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* Inline Methods
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************************************************************/
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inline void WAM_STATISTICS::IncrWamRequests(void)
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{
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# ifdef IP_ENABLE_COUNTERS
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IncrTotalWamRequests();
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IncrCurrentWamRequests();
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if ( m_WamStats.CurrentWamRequests > m_WamStats.MaxWamRequests )
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{
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LockStatistics();
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if ( m_WamStats.CurrentWamRequests > m_WamStats.MaxWamRequests )
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m_WamStats.MaxWamRequests = m_WamStats.CurrentWamRequests;
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UnlockStatistics();
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}
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# endif // IP_ENABLE_COUNTERS
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return;
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} // WAM_STATISTICS::IncrWamRequests()
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# endif // _WAMSTATS_HXX_
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/************************ End of File ***********************/
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