[raknet] Implement GetTime and GetTimeNS

raknet/Export.h

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+// Fuck it, GCC won't compile with exports.  Someone else can fix this if they want
+#if defined(_WIN32) && !(defined(__GNUC__)  || defined(__GCCXML__)) && !defined(_RAKNET_LIB) && defined(_RAKNET_DLL)
+#define RAK_DLL_EXPORT __declspec(dllexport)
+#else
+#define RAK_DLL_EXPORT  
+#endif

raknet/GetTime.cpp

@@ -0,0 +1,105 @@
+/// \file
+///
+/// This file is part of RakNet Copyright 2003 Kevin Jenkins.
+///
+/// Usage of RakNet is subject to the appropriate license agreement.
+/// Creative Commons Licensees are subject to the
+/// license found at
+/// http://creativecommons.org/licenses/by-nc/2.5/
+/// Single application licensees are subject to the license found at
+/// http://www.rakkarsoft.com/SingleApplicationLicense.html
+/// Custom license users are subject to the terms therein.
+/// GPL license users are subject to the GNU General Public
+/// License as published by the Free
+/// Software Foundation; either version 2 of the License, or (at your
+/// option) any later version.
+
+#include "GetTime.h"
+#ifdef _COMPATIBILITY_1
+#include "Compatibility1Includes.h" // Developers of a certain platform will know what to do here.
+#elif defined(_WIN32)
+#include <windows.h>
+#elif defined(_COMPATIBILITY_2)
+#include "Compatibility2Includes.h"
+#include <sys/time.h>
+#include <unistd.h>
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+static bool initialized=false;
+#ifdef _WIN32
+static LARGE_INTEGER yo;
+#else
+static timeval tp, initialTime;
+#endif
+
+RakNetTime RakNet::GetTime( void )
+{
+	if ( initialized == false )
+	{
+#ifdef _WIN32
+		QueryPerformanceFrequency( &yo );
+		// The original code shifted right 10 bits
+		//counts = yo.QuadPart >> 10;
+		// It gives the wrong value since 2^10 is not 1000
+	//	counts = yo.QuadPart;// / 1000;
+#else
+		gettimeofday( &initialTime, 0 );
+#endif
+
+		initialized = true;
+	}
+
+#ifdef _WIN32
+	LARGE_INTEGER PerfVal;
+
+	QueryPerformanceCounter( &PerfVal );
+
+	return (RakNetTime)(PerfVal.QuadPart*1000 / yo.QuadPart);
+#else
+	gettimeofday( &tp, 0 );
+
+	// Seconds to ms and microseconds to ms
+	return ( tp.tv_sec - initialTime.tv_sec ) * 1000 + ( tp.tv_usec - initialTime.tv_usec ) / 1000;
+
+#endif
+}
+
+
+RakNetTimeNS RakNet::GetTimeNS( void )
+{
+	if ( initialized == false )
+	{
+#ifdef _WIN32
+		QueryPerformanceFrequency( &yo );
+		// The original code shifted right 10 bits
+		//counts = yo.QuadPart >> 10;
+		// It gives the wrong value since 2^10 is not 1000
+		//	counts = yo.QuadPart;// / 1000;
+#else
+		gettimeofday( &initialTime, 0 );
+#endif
+
+		initialized = true;
+	}
+
+#ifdef _WIN32
+	LARGE_INTEGER PerfVal;
+
+	QueryPerformanceCounter( &PerfVal );
+
+	__int64 quotient, remainder;
+	quotient=((PerfVal.QuadPart*1000) / yo.QuadPart);
+	remainder=((PerfVal.QuadPart*1000) % yo.QuadPart);
+	//return (PerfVal.QuadPart*1000 / (yo.QuadPart/1000));
+	return quotient*1000 + (remainder*1000 / yo.QuadPart);
+
+#else
+	gettimeofday( &tp, 0 );
+
+	return ( tp.tv_sec - initialTime.tv_sec ) * (RakNetTimeNS) 1000000 + ( tp.tv_usec - initialTime.tv_usec );
+
+#endif
+}

raknet/GetTime.h

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+/// \file
+/// \brief Returns the value from QueryPerformanceCounter.  This is the function RakNet uses to represent time.
+///
+/// This file is part of RakNet Copyright 2003 Kevin Jenkins.
+///
+/// Usage of RakNet is subject to the appropriate license agreement.
+/// Creative Commons Licensees are subject to the
+/// license found at
+/// http://creativecommons.org/licenses/by-nc/2.5/
+/// Single application licensees are subject to the license found at
+/// http://www.rakkarsoft.com/SingleApplicationLicense.html
+/// Custom license users are subject to the terms therein.
+/// GPL license users are subject to the GNU General Public
+/// License as published by the Free
+/// Software Foundation; either version 2 of the License, or (at your
+/// option) any later version.
+
+#ifndef __GET_TIME_H
+#define __GET_TIME_H
+
+#include "Export.h"
+#include "NetworkTypes.h" // For RakNetTime
+
+/// The namespace RakNet is not consistently used.  It's only purpose is to avoid compiler errors for classes whose names are very common.
+/// For the most part I've tried to avoid this simply by using names very likely to be unique for my classes.
+namespace RakNet
+{
+	/// Returns the value from QueryPerformanceCounter.  This is the function RakNet uses to represent time.
+	RakNetTime RAK_DLL_EXPORT GetTime( void );
+	RakNetTimeNS RAK_DLL_EXPORT GetTimeNS( void );
+}
+
+#endif

raknet/NetworkTypes.cpp

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+// TODO: Implement NetworkTypes.cpp

raknet/NetworkTypes.h

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+// TODO: Implement NetworkTypes.h
+
+#ifndef __NETWORK_TYPES_H
+#define __NETWORK_TYPES_H
+
+// Define __GET_TIME_64BIT if you want to use large types for GetTime (takes more bandwidth when you transmit time though!)
+// You would want to do this if your system is going to run long enough to overflow the millisecond counter (over a month)
+#ifdef __GET_TIME_64BIT
+typedef long long RakNetTime;
+typedef long long RakNetTimeNS;
+#else
+typedef unsigned int RakNetTime;
+typedef long long RakNetTimeNS;
+#endif
+
+#endif