From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001
From: Vadim Dashevskiy <watcherhd@gmail.com>
Date: Tue, 15 May 2012 10:38:20 +0000
Subject: initial commit

git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/CryptoPP/crypto/hrtimer.h | 65 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 plugins/CryptoPP/crypto/hrtimer.h

(limited to 'plugins/CryptoPP/crypto/hrtimer.h')

diff --git a/plugins/CryptoPP/crypto/hrtimer.h b/plugins/CryptoPP/crypto/hrtimer.h
new file mode 100644
index 0000000000..de8835fef7
--- /dev/null
+++ b/plugins/CryptoPP/crypto/hrtimer.h
@@ -0,0 +1,65 @@
+#ifndef CRYPTOPP_HRTIMER_H
+#define CRYPTOPP_HRTIMER_H
+
+#include "config.h"
+#ifndef HIGHRES_TIMER_AVAILABLE
+#include <time.h>
+#endif
+
+NAMESPACE_BEGIN(CryptoPP)
+
+#ifdef HIGHRES_TIMER_AVAILABLE
+	#ifdef WORD64_AVAILABLE
+		typedef word64 TimerWord;
+	#else
+		typedef word32 TimerWord;
+	#endif
+#else
+	typedef clock_t TimerWord;
+#endif
+
+//! _
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TimerBase
+{
+public:
+	enum Unit {SECONDS = 0, MILLISECONDS, MICROSECONDS, NANOSECONDS};
+	TimerBase(Unit unit, bool stuckAtZero)	: m_timerUnit(unit), m_stuckAtZero(stuckAtZero), m_started(false) {}
+
+	virtual TimerWord GetCurrentTimerValue() =0;	// GetCurrentTime is a macro in MSVC 6.0
+	virtual TimerWord TicksPerSecond() =0;	// this is not the resolution, just a conversion factor into seconds
+
+	void StartTimer();
+	double ElapsedTimeAsDouble();
+	unsigned long ElapsedTime();
+
+private:
+	double ConvertTo(TimerWord t, Unit unit);
+
+	Unit m_timerUnit;	// HPUX workaround: m_unit is a system macro on HPUX
+	bool m_stuckAtZero, m_started;
+	TimerWord m_start, m_last;
+};
+
+//! measure CPU time spent executing instructions of this thread (if supported by OS)
+/*! /note This only works correctly on Windows NT or later. On Unix it reports process time, and others wall clock time.
+*/
+class ThreadUserTimer : public TimerBase
+{
+public:
+	ThreadUserTimer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false)	: TimerBase(unit, stuckAtZero) {}
+	TimerWord GetCurrentTimerValue();
+	TimerWord TicksPerSecond();
+};
+
+//! high resolution timer
+class CRYPTOPP_DLL Timer : public TimerBase
+{
+public:
+	Timer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false)	: TimerBase(unit, stuckAtZero) {}
+	TimerWord GetCurrentTimerValue();
+	TimerWord TicksPerSecond();
+};
+
+NAMESPACE_END
+
+#endif
-- 
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