135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
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/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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CWBEMTIME.H
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Abstract:
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Time helper
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History:
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--*/
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#ifndef __WBEM_TIME__H_
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#define __WBEM_TIME__H_
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#include "corepol.h"
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#define WBEMTIME_LENGTH 25
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class POLARITY CWbemInterval
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{
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protected:
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DWORD m_dwMs;
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CWbemInterval(DWORD dwMs) : m_dwMs(dwMs){}
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friend class CWbemTime;
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public:
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CWbemInterval() : m_dwMs(0){}
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static CWbemInterval GetInfinity() {return CWbemInterval(INFINITE);}
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BOOL IsFinite() const {return m_dwMs != INFINITE;}
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BOOL IsZero() const {return m_dwMs == 0;}
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DWORD GetMilliseconds() const {return m_dwMs;}
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DWORD GetSeconds() const {return m_dwMs/1000;}
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void SetMilliseconds(DWORD dwMs) {m_dwMs = dwMs;}
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BOOL operator<(const CWbemInterval Other)
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{return m_dwMs < Other.m_dwMs;}
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BOOL operator>(const CWbemInterval Other)
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{return m_dwMs > Other.m_dwMs;}
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CWbemInterval operator*(double dblFactor) const
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{return CWbemInterval((DWORD)(m_dwMs * dblFactor));}
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CWbemInterval operator+(const CWbemInterval Other) const
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{return CWbemInterval(m_dwMs + Other.m_dwMs);}
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void operator+=(const CWbemInterval Other)
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{m_dwMs += Other.m_dwMs;}
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};
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#define I64_INFINITY 0x7FFFFFFFFFFFFFFF
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class POLARITY CWbemTimeSpan
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{
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private:
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ULONGLONG m_Time;
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friend class CWbemTime;
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public:
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CWbemTimeSpan (
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int iDays ,
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int iHours ,
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int iMinutes ,
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int iSeconds ,
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int iMSec=0 ,
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int iUSec=0,
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int iNSec=0
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) ;
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};
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class POLARITY CWbemTime
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{
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protected:
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__int64 m_i64;
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CWbemTime(__int64 i64) : m_i64(i64){}
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friend class CWbemInterval;
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public:
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CWbemTime() : m_i64(0){}
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CWbemTime(const CWbemTime& Other) : m_i64(Other.m_i64){}
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void operator=(const CWbemTime& Other)
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{
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m_i64 = Other.m_i64;
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}
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static CWbemTime GetCurrentTime();
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static CWbemTime GetInfinity() {return CWbemTime(I64_INFINITY);}
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static CWbemTime GetZero() {return CWbemTime(0);}
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BOOL SetSystemTime(const SYSTEMTIME& st);
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BOOL SetFileTime(const FILETIME& ft);
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BOOL GetSYSTEMTIME ( SYSTEMTIME *pst ) const;
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BOOL GetFILETIME ( FILETIME *pst ) const;
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__int64 Get100nss() const {return m_i64;}
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void Set100nss(__int64 i64) {m_i64 = i64;}
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CWbemInterval RemainsUntil(const CWbemTime& Other) const;
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BOOL IsFinite() const {return m_i64 != I64_INFINITY;}
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BOOL IsZero() const {return m_i64 == 0;}
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CWbemTime operator+ ( const CWbemTimeSpan &uAdd ) const ;
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CWbemTime operator- ( const CWbemTimeSpan &sub ) const;
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BOOL operator <(const CWbemTime& Other) const
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{return m_i64 < Other.m_i64;}
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BOOL operator >(const CWbemTime& Other) const
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{return m_i64 > Other.m_i64;}
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BOOL operator <=(const CWbemTime& Other) const
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{return m_i64 <= Other.m_i64;}
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BOOL operator >=(const CWbemTime& Other) const
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{return m_i64 >= Other.m_i64;}
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CWbemTime operator+(const CWbemInterval& ToAdd) const;
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CWbemInterval operator-(const CWbemTime& ToSubtract) const
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{return ToSubtract.RemainsUntil(*this);}
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BOOL SetDMTF(LPCWSTR wszText);
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BOOL GetDMTF( BOOL bLocal, DWORD dwBuffLen, LPWSTR pwszBuff );
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static LONG GetLocalOffsetForDate(const SYSTEMTIME *pst);
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};
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#endif
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