public static ResourceLoadPerfCounterWrapper Get(ResourceKey resource, WorkloadClassification classification)
{
ResourceLoadPerfCounterWrapper resourceLoadPerfCounterWrapper = null;
Tuple <ResourceKey, WorkloadClassification> key = new Tuple <ResourceKey, WorkloadClassification>(resource, classification);
lock (ResourceLoadPerfCounterWrapper.staticLock)
{
if (ResourceLoadPerfCounterWrapper.instances.TryGetValue(key, out resourceLoadPerfCounterWrapper))
{
resourceLoadPerfCounterWrapper.lastUpdateUtc = DateTime.UtcNow;
}
}
if (resourceLoadPerfCounterWrapper == null)
{
if (ResourceHealthMonitorManager.Active)
{
string text = string.Concat(new object[]
{
ResourceLoadPerfCounterWrapper.GetDefaultInstanceName(),
"_",
resource,
"_",
classification
});
try
{
MSExchangeResourceLoadInstance instance = MSExchangeResourceLoad.GetInstance(text);
resourceLoadPerfCounterWrapper = new ResourceLoadPerfCounterWrapper(instance);
}
catch (Exception ex)
{
Globals.LogEvent(DirectoryEventLogConstants.Tuple_InitializeResourceHealthPerformanceCountersFailed, string.Empty, new object[]
{
ResourceLoadPerfCounterWrapper.GetDefaultInstanceName(),
ex.ToString()
});
ExTraceGlobals.ClientThrottlingTracer.TraceError <string, string, string>(0L, "[ResourceLoadPerfCounterWrapper::Get] Perf counter initialization failed for key instance: {0} with exception type: {1}, Messsage: {2}", text, ex.GetType().FullName, ex.Message);
}
}
if (resourceLoadPerfCounterWrapper == null)
{
resourceLoadPerfCounterWrapper = new ResourceLoadPerfCounterWrapper(null);
}
lock (ResourceLoadPerfCounterWrapper.staticLock)
{
ResourceLoadPerfCounterWrapper resourceLoadPerfCounterWrapper2;
if (!ResourceLoadPerfCounterWrapper.instances.TryGetValue(key, out resourceLoadPerfCounterWrapper2))
{
ResourceLoadPerfCounterWrapper.instances.Add(key, resourceLoadPerfCounterWrapper);
}
else
{
resourceLoadPerfCounterWrapper = resourceLoadPerfCounterWrapper2;
}
}
}
return(resourceLoadPerfCounterWrapper);
}
private static void CleanupStaleCounters(object state)
{
Tuple <ResourceKey, WorkloadClassification>[] array = null;
lock (ResourceLoadPerfCounterWrapper.staticLock)
{
array = new Tuple <ResourceKey, WorkloadClassification> [ResourceLoadPerfCounterWrapper.instances.Keys.Count];
ResourceLoadPerfCounterWrapper.instances.Keys.CopyTo(array, 0);
}
foreach (Tuple <ResourceKey, WorkloadClassification> key in array)
{
lock (ResourceLoadPerfCounterWrapper.staticLock)
{
ResourceLoadPerfCounterWrapper resourceLoadPerfCounterWrapper = null;
if (ResourceLoadPerfCounterWrapper.instances.TryGetValue(key, out resourceLoadPerfCounterWrapper) && DateTime.UtcNow - resourceLoadPerfCounterWrapper.lastUpdateUtc > ResourceLoadPerfCounterWrapper.CleanupWindow)
{
if (resourceLoadPerfCounterWrapper.perfCounters != null)
{
resourceLoadPerfCounterWrapper.perfCounters.Remove();
}
ResourceLoadPerfCounterWrapper.instances.Remove(key);
}
}
}
}
// Token: 0x060075F6 RID: 30198 RVA: 0x00184160 File Offset: 0x00182360
public virtual ResourceLoad GetResourceLoad(WorkloadClassification classification, bool raw = false, object optionalData = null)
{
if (!this.Settings.Enabled)
{
return(ResourceLoad.Zero);
}
int metricValue = this.GetMetricValue(optionalData);
if (metricValue < 0)
{
return(ResourceLoad.Unknown);
}
ResourceMetricPolicy resourceMetricPolicy = new ResourceMetricPolicy(this.MetricType, classification, this.Settings);
ResourceLoad resourceLoad = resourceMetricPolicy.InterpretMetricValue(metricValue);
if (!raw)
{
CacheableResourceHealthMonitor.LoadInfo loadInfo = this.loadInfo[classification];
if (this.UpdateIsNeeded(loadInfo, resourceLoad))
{
try
{
if (Monitor.TryEnter(this.instanceLock) && this.UpdateIsNeeded(loadInfo, resourceLoad))
{
switch (resourceLoad.State)
{
case ResourceLoadState.Unknown:
loadInfo.Load = resourceLoad;
break;
case ResourceLoadState.Underloaded:
case ResourceLoadState.Full:
if (loadInfo.Load < ResourceLoad.Full)
{
loadInfo.Load = resourceLoad;
}
else if (this.LastUpdateUtc > loadInfo.UpdateUtc)
{
if (loadInfo.Load == ResourceLoad.Full)
{
loadInfo.Load = resourceLoad;
}
else if (loadInfo.Load == ResourceLoad.Critical)
{
loadInfo.Load = new ResourceLoad(resourceMetricPolicy.MaxOverloaded.LoadRatio, new int?(metricValue), null);
}
else if (resourceLoad.State == ResourceLoadState.Underloaded)
{
double num = (resourceMetricPolicy.MaxOverloaded - ResourceLoad.Full) / (double)CacheableResourceHealthMonitor.numberOfAdjustmentSteps;
if (loadInfo.Load - ResourceLoad.Full > num)
{
loadInfo.Load -= num;
}
else
{
loadInfo.Load = new ResourceLoad(ResourceLoad.Full.LoadRatio, new int?(metricValue), null);
}
}
}
break;
case ResourceLoadState.Overloaded:
if (loadInfo.Load < resourceLoad)
{
loadInfo.Load = resourceLoad;
}
else if (this.LastUpdateUtc > loadInfo.UpdateUtc)
{
double delta = (resourceMetricPolicy.MaxOverloaded - ResourceLoad.Full) / (double)CacheableResourceHealthMonitor.numberOfAdjustmentSteps;
if (loadInfo.Load + delta <= resourceMetricPolicy.MaxOverloaded)
{
loadInfo.Load += delta;
}
else
{
loadInfo.Load = new ResourceLoad(ResourceLoad.Critical.LoadRatio, new int?(metricValue), null);
}
}
break;
case ResourceLoadState.Critical:
loadInfo.Load = resourceLoad;
break;
}
}
}
finally
{
if (Monitor.IsEntered(this.instanceLock))
{
Monitor.Exit(this.instanceLock);
}
}
}
resourceLoad = loadInfo.Load;
}
object resourceLoadlInfo = this.GetResourceLoadlInfo(resourceLoad);
if (resourceLoadlInfo != null)
{
resourceLoad = new ResourceLoad(resourceLoad.LoadRatio, resourceLoad.Metric, resourceLoadlInfo);
}
ResourceLoadPerfCounterWrapper.Get(this.resourceKey, classification).Update(metricValue, resourceLoad);
lock (this.lastEntries)
{
SystemWorkloadManagerLogEntry value = null;
this.lastEntries.TryGetValue(classification, out value);
SystemWorkloadManagerBlackBox.RecordMonitorUpdate(ref value, this.resourceKey, classification, resourceLoad);
this.lastEntries[classification] = value;
}
ExTraceGlobals.ResourceHealthManagerTracer.TraceDebug <ResourceMetricType, ResourceLoad>((long)this.GetHashCode(), "[ResourceLoadMonitor.GetResourceLoad] MetricType={0}, Current Load={1}.", this.MetricType, resourceLoad);
return(resourceLoad);
}
