PerformanceCounterCached LookupPerformanceCounter(LogEventInfo logEventInfo)
{
var perfCounterCached = _fixedPerformanceCounter;
if (perfCounterCached != null)
{
return(perfCounterCached);
}
perfCounterCached = _performanceCounter;
var machineName = _machineName?.Render(logEventInfo) ?? string.Empty;
var instanceName = _instance?.Render(logEventInfo) ?? string.Empty;
if (perfCounterCached != null && perfCounterCached.MachineName == machineName && perfCounterCached.InstanceName == instanceName)
{
return(perfCounterCached);
}
var perfCounter = CreatePerformanceCounter(machineName, instanceName);
perfCounterCached = new PerformanceCounterCached(machineName, instanceName, perfCounter);
if ((_machineName?.Text == null || _machineName.IsFixedText) && (_instance?.Text == null || _instance.IsFixedText))
{
_fixedPerformanceCounter = perfCounterCached;
}
else
{
_performanceCounter = perfCounterCached;
}
return(perfCounterCached);
}
PerformanceCounterCached LookupPerformanceCounter(LogEventInfo logEventInfo)
{
var perfCounterCached = _fixedPerformanceCounter;
if (perfCounterCached != null)
{
return(perfCounterCached);
}
perfCounterCached = _performanceCounter;
var machineName = _machineName?.Render(logEventInfo) ?? string.Empty;
var instanceName = _instance?.Render(logEventInfo) ?? string.Empty;
if (perfCounterCached != null && perfCounterCached.MachineName == machineName && perfCounterCached.InstanceName == instanceName)
{
return(perfCounterCached);
}
var perfCounter = CreatePerformanceCounter(machineName, instanceName);
perfCounterCached = new PerformanceCounterCached(machineName, instanceName, perfCounter);
if ((ReferenceEquals(_machineName, null) || (_machineName as SimpleLayout)?.IsFixedText == true) && (ReferenceEquals(_instance, null) || (_instance as SimpleLayout)?.IsFixedText == true))
{
_fixedPerformanceCounter = perfCounterCached;
}
else
{
_performanceCounter = perfCounterCached;
}
return(perfCounterCached);
}
private void ResetPerformanceCounters()
{
_fixedPerformanceCounter = null;
_performanceCounter = null;
}
