public ServerStatistics(int criticalMemoryValue, MemoryAlarmStrategy memoryAlarmStrategy)
{
_criticalMemoryValue = criticalMemoryValue;
_counterProvider = CounterProviderFactory.BuildCounterProvider(memoryAlarmStrategy, StartMemoryWarningCount);
_memoryIntervalSamplesLeft = _counterProvider.GetNextCount();
_memorySampleCount = _memoryIntervalSamplesLeft;
_memoryOverheadOccured = false;
_processMemoryTimer = new Timer(MemorySamplingPeriod);
_processMemoryTimer.Elapsed += ProcessMemoryTimerOnElapsed;
_processMemoryTimer.Start();
_threadsTimer = new Timer(ThreadsSamplingPeriod);
_threadsTimer.Elapsed += ThreadsTimerOnElapsed;
_threadsTimer.Start();
_totalCpuCounter = new PerformanceCounter
{
CategoryName = "Processor",
CounterName = "% Processor Time",
InstanceName = "_Total",
ReadOnly = true
};
_totalCpuTimer = new Timer(CpuSamplingPeriod);
_totalCpuTimer.Elapsed += TotalCpuTimerOnElapsed;
_totalCpuTimer.Start();
}
public static IIntervalCounterProvider BuildCounterProvider(MemoryAlarmStrategy alarmStrategy, long startValue)
{
IIntervalCounterProvider counterProvider;
switch (alarmStrategy)
{
case MemoryAlarmStrategy.Constant:
counterProvider = new ConstantCounterProvider();
break;
case MemoryAlarmStrategy.Linear:
counterProvider = new LinearCounterProvider();
break;
case MemoryAlarmStrategy.Geometric:
counterProvider = new GeometricCounterProvider();
break;
case MemoryAlarmStrategy.Fibonacci:
counterProvider = new FibonacciCounterProvider();
break;
default:
throw new ArgumentOutOfRangeException(nameof(alarmStrategy), alarmStrategy, null);
}
counterProvider.StartValue = startValue;
return(counterProvider);
}
