init repo

ActiveX/Common/TimeMeasurer.h

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+/*
+ * (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;
+};