Alachisoft.NCache.Common.Util.CPUUsage Maven / Gradle / Ivy

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package Alachisoft.NCache.Common.Util;

/*
 * Mansoor: Native dll calls
 **/
//C# TO JAVA CONVERTER NOTE: There is no Java equivalent to C# namespace aliases:
//using ComTypes = System.Runtime.InteropServices.ComTypes;

public class CPUUsage {
//C# TO JAVA CONVERTER TODO TASK: There is no preprocessor in Java:
//#if !MONO
//	private static native boolean GetSystemTimes(tangible.RefObject lpIdleTime, tangible.RefObject lpKernelTime, tangible.RefObject lpUserTime);
//	static {
//		System.loadLibrary("kernel32.dll");
//	}
//
//
//	private System.Runtime.InteropServices.ComTypes.FILETIME _prevSysKernel;
//	private System.Runtime.InteropServices.ComTypes.FILETIME _prevSysUser;
////#endif
//	private TimeSpan _prevProcTotal = new TimeSpan();
//
//	private short _cpuUsage;
//	private java.util.Date _lastRun = new java.util.Date(0);
//	private long _runCount;
//
//	public CPUUsage() {
//		_cpuUsage = -1;
//		_lastRun = new java.util.Date(0);
////C# TO JAVA CONVERTER TODO TASK: There is no preprocessor in Java:
////#if !MONO
//		_prevSysUser.dwHighDateTime = _prevSysUser.dwLowDateTime = 0;
//		_prevSysKernel.dwHighDateTime = _prevSysKernel.dwLowDateTime = 0;
////#endif
//		_prevProcTotal = TimeSpan.MinValue;
//		_runCount = 0;
//	}
//
//	public final short GetUsage() {
//		short cpuCopy = _cpuUsage;
////C# TO JAVA CONVERTER TODO TASK: There is no preprocessor in Java:
////#if !MONO
//		tangible.RefObject tempRef__runCount = new tangible.RefObject(_runCount);
//		boolean tempVar = Interlocked.Increment(tempRef__runCount) == 1;
//			_runCount = tempRef__runCount.argvalue;
//		if (tempVar) {
//			if (!getEnoughTimePassed()) {
//				tangible.RefObject tempRef__runCount2 = new tangible.RefObject(_runCount);
//				Interlocked.Decrement(tempRef__runCount2);
//				_runCount = tempRef__runCount2.argvalue;
//				return cpuCopy;
//			}
//
//			System.Runtime.InteropServices.ComTypes.FILETIME sysIdle, sysKernel, sysUser;
//			TimeSpan procTime = new TimeSpan();
//
//			Process process = Process.GetCurrentProcess();
//
//			if (process == null) {
//				return -1;
//			}
//
//			procTime = process.TotalProcessorTime;
//
//
//			tangible.RefObject tempRef_sysIdle = new tangible.RefObject(sysIdle);
//			tangible.RefObject tempRef_sysKernel = new tangible.RefObject(sysKernel);
//			tangible.RefObject tempRef_sysUser = new tangible.RefObject(sysUser);
//			boolean tempVar2 = !GetSystemTimes(tempRef_sysIdle, tempRef_sysKernel, tempRef_sysUser);
//				sysIdle = tempRef_sysIdle.argvalue;
//			sysKernel = tempRef_sysKernel.argvalue;
//			sysUser = tempRef_sysUser.argvalue;
//			if (tempVar2) {
//				tangible.RefObject tempRef__runCount3 = new tangible.RefObject(_runCount);
//				Interlocked.Decrement(tempRef__runCount3);
//				_runCount = tempRef__runCount3.argvalue;
//				return cpuCopy;
//			}
//
//			if (!getIsFirstRun()) {
////C# TO JAVA CONVERTER WARNING: Unsigned integer types have no direct equivalent in Java:
////ORIGINAL LINE: UInt64 sysKernelDiff = SubtractTimes(sysKernel, _prevSysKernel);
//				long sysKernelDiff = SubtractTimes(sysKernel, _prevSysKernel);
////C# TO JAVA CONVERTER WARNING: Unsigned integer types have no direct equivalent in Java:
////ORIGINAL LINE: UInt64 sysUserDiff = SubtractTimes(sysUser, _prevSysUser);
//				long sysUserDiff = SubtractTimes(sysUser, _prevSysUser);
//
////C# TO JAVA CONVERTER WARNING: Unsigned integer types have no direct equivalent in Java:
////ORIGINAL LINE: UInt64 sysTotal = sysKernelDiff + sysUserDiff;
//				long sysTotal = sysKernelDiff + sysUserDiff;
//
//				long procTotal = procTime.Ticks - _prevProcTotal.Ticks;
//
//				if (sysTotal > 0) {
//					_cpuUsage = (short)((100.0 * procTotal) / sysTotal);
//				}
//			}
//
//			_prevProcTotal = procTime;
//			_prevSysKernel = sysKernel;
//			_prevSysUser = sysUser;
//
//			_lastRun = new java.util.Date();
//
//			cpuCopy = _cpuUsage;
//		}
//		tangible.RefObject tempRef__runCount4 = new tangible.RefObject(_runCount);
//		Interlocked.Decrement(tempRef__runCount4);
//		_runCount = tempRef__runCount4.argvalue;
////#else
//		//@UH
////#endif
//		return cpuCopy;
//
//	}
//
//	private long SubtractTimes(System.Runtime.InteropServices.ComTypes.FILETIME a, System.Runtime.InteropServices.ComTypes.FILETIME b) {
////C# TO JAVA CONVERTER WARNING: Unsigned integer types have no direct equivalent in Java:
////ORIGINAL LINE: UInt64 aInt = ((UInt64)(a.dwHighDateTime << 32)) | (UInt64)a.dwLowDateTime;
//		long aInt = ((long)(a.dwHighDateTime << 32)) | (long)a.dwLowDateTime;
////C# TO JAVA CONVERTER WARNING: Unsigned integer types have no direct equivalent in Java:
////ORIGINAL LINE: UInt64 bInt = ((UInt64)(b.dwHighDateTime << 32)) | (UInt64)b.dwLowDateTime;
//		long bInt = ((long)(b.dwHighDateTime << 32)) | (long)b.dwLowDateTime;
//
//		return aInt - bInt;
//	}
//
//	private boolean getEnoughTimePassed() {
//		final int minimumElapsedMS = 250;
//		TimeSpan sinceLast = new java.util.Date() - _lastRun;
//		return sinceLast.TotalMilliseconds > minimumElapsedMS;
//	}
//
//	private boolean getIsFirstRun() {
//		return (_lastRun.equals(new java.util.Date(0)));
//	}
}