DocumentServer/ActiveX/Common/TimeMeasurer.h
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

125 lines
3.3 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#pragma once
class CTimeMeasurer
{
public:
CTimeMeasurer()
{
QueryPerformanceFrequency(&m_liFreq);
QueryPerformanceCounter(&m_liStart);
}
virtual ~CTimeMeasurer()
{
}
void Reset()
{
QueryPerformanceCounter(&m_liStart);
}
virtual float GetTimeInterval()
{
LARGE_INTEGER liFinish;
QueryPerformanceCounter(&liFinish);
return (float)((liFinish.QuadPart-m_liStart.QuadPart)/(float)m_liFreq.LowPart);
}
protected:
LARGE_INTEGER m_liStart;
LARGE_INTEGER m_liFreq;
};
class CTimeMeasurerExt
: public CTimeMeasurer
{
public:
CTimeMeasurerExt()
: m_bIsSuspended(FALSE)
{
m_liSuspendedTime.QuadPart = 0;
}
virtual ~CTimeMeasurerExt()
{
}
void Suspend()
{
if (m_bIsSuspended)
return;
m_bIsSuspended = TRUE;
QueryPerformanceCounter(&m_liStartSuspend);
}
void Resume()
{
if (!m_bIsSuspended)
return;
LARGE_INTEGER liTemp;
QueryPerformanceCounter(&liTemp);
m_liSuspendedTime.QuadPart += liTemp.QuadPart - m_liStartSuspend.QuadPart;
m_bIsSuspended = FALSE;
}
virtual float GetTimeInterval()
{
if (m_bIsSuspended)
return (float)((m_liStartSuspend.QuadPart - m_liStart.QuadPart - m_liSuspendedTime.QuadPart)/(float)m_liFreq.LowPart);
LARGE_INTEGER liFinish;
QueryPerformanceCounter(&liFinish);
return (float)((liFinish.QuadPart - m_liStart.QuadPart - m_liSuspendedTime.QuadPart)/(float)m_liFreq.LowPart);
}
protected:
LARGE_INTEGER m_liStartSuspend;
LARGE_INTEGER m_liSuspendedTime;
BOOL m_bIsSuspended;
};
class CTraceTimer
{
public:
CTraceTimer(const CString &sTitle)
: m_sTitle(sTitle)
{
}
~CTraceTimer()
{
ATLTRACE("%s %0.3f\n",m_sTitle,m_oTimer.GetTimeInterval());
}
void Trace(const CString &sSubTitle)
{
ATLTRACE("%s::%s %0.3f\n",m_sTitle,sSubTitle,m_oTimer.GetTimeInterval());
}
protected:
CTimeMeasurer m_oTimer;
CString m_sTitle;
};