Add thirdparty libs

thirdparty/cryptopp/hrtimer.h

@@ -0,0 +1,65 @@
+#ifndef CRYPTOPP_HRTIMER_H
+#define CRYPTOPP_HRTIMER_H
+
+#include "config.h"
+
+#if !defined(HIGHRES_TIMER_AVAILABLE) || (defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(THREAD_TIMER_AVAILABLE))
+#include <time.h>
+#endif
+
+NAMESPACE_BEGIN(CryptoPP)
+
+#ifdef HIGHRES_TIMER_AVAILABLE
+	typedef word64 TimerWord;
+#else
+	typedef clock_t TimerWord;
+#endif
+
+/// \brief Base class for timers
+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)
+		, m_start(0), m_last(0) {}
+
+	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;
+};
+
+/// \brief Measure CPU time spent executing instructions of this thread (if supported by OS)
+/// \note ThreadUserTimer only works correctly on Windows NT or later desktops and servers.
+/// On Unix-based it reports process time. On Windows Phone and Windows Store it reports wall
+/// clock time with performance counter precision. On all others it reports 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