public PerformanceCounterValueCollector(MetricName name, string unitName, IPerformanceCounterProxy counter,
bool disposesCounter)
: base(name, unitName)
{
Counter = counter;
DisposesCounter = disposesCounter;
}
private float GetPerfCounterValue_DeltaValue(IPerformanceCounterProxy proxy, ref float prevValue)
{
var currentPerfCounterVal = proxy.NextValue();
var prevPerfCounterVal = Interlocked.Exchange(ref prevValue, currentPerfCounterVal);
return(currentPerfCounterVal - prevPerfCounterVal);
}
protected override void DisposeInternal()
{
if (DisposesCounter)
{
Counter.Dispose();
}
Counter = null;
}
protected override void DisposeInternal()
{
if (DisposesCounter)
{
Counter.Dispose();
}
Counter = null;
}
public bool Put(MetricName name, IPerformanceCounterProxy concreteCounter)
{
if (!Exists(name))
{
_cachedCounters[name] = new CachedPerformanceCounterProxy(() => concreteCounter);
return true;
}
// already exists - not overriding
return false;
}
public bool Put(MetricName name, IPerformanceCounterProxy concreteCounter)
{
if (!Exists(name))
{
_cachedCounters[name] = new CachedPerformanceCounterProxy(() => concreteCounter);
return(true);
}
// already exists - not overriding
return(false);
}
public void SetUp()
{
_instanceNameLookupCount = 0;
_expectedPerformanceCounter = Mock.Create <IPerformanceCounterProxy>();
_createPerformanceCounter = (_, __, ___) => _expectedPerformanceCounter;
_performanceCounterCategory = Mock.Create <IPerformanceCounterCategoryProxy>();
_createPerformanceCounterCategory = _ => _performanceCounterCategory;
_currentProcess = Mock.Create <IProcess>();
_processStatic = Mock.Create <IProcessStatic>();
Mock.Arrange(() => _processStatic.GetCurrentProcess()).Returns(_currentProcess);
_factory = new PerformanceCounterProxyFactory(_processStatic, CreatePerformanceCounterCategory, CreatePerformanceCounter);
}
private float GetPerfCounterValue_InducedCount(IPerformanceCounterProxy proxy)
{
return(GetPerfCounterValue_DeltaValue(proxy, ref _PrevInducedCount));
}
private float GetPerfCounterValue_Gen2CollectionCount(IPerformanceCounterProxy proxy)
{
return(GetPerfCounterValue_DeltaValue(proxy, ref _PrevGen2CollectionCount));
}
private float GetPerfCounterValue_Raw(IPerformanceCounterProxy proxy)
{
return(proxy.NextValue());
}
public PerformanceCounterValueCollector(MetricName name, string unitName, IPerformanceCounterProxy counter,
bool disposesCounter) : base(name, unitName)
{
Counter = counter;
DisposesCounter = disposesCounter;
}
