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 ResourceLoadPerfCounterWrapper(MSExchangeResourceLoadInstance instance)
{
this.perfCounters = instance;
this.perfCounterResourceMetric = this.CreateSetCounter((this.perfCounters == null) ? null : this.perfCounters.ResourceMetric);
this.perfCounterResourceLoad = this.CreateSetCounter((this.perfCounters == null) ? null : this.perfCounters.ResourceLoad);
}
