/// <summary>
/// Initialize performance counter for new calculations.
/// Some counters returns zero on first value because they need two values in order to be calculated.
/// </summary>
public void Initialize()
{
// Take one values
_performanceCounter.NextValue();
// Set performance counter as initialized
_initialized = true;
// Initialize samples counter to zero
_samplesCount = 0;
// Initialize total result to zero
_result = 0;
// Set counter status equal to OK (0)
CounterStatus.Initialize();
// Write verbose counter has been initialized
WriteVerbose($"Initialized performance counter on counter {_performanceCounterString}");
}
/// <summary>
/// Change performance counter status according to Nagios / Icinga format.
/// Saves error in ResultString
/// </summary>
/// <param name="nagiosStatusEnum"></param>
private void RegisterStatusOnCounter(NagiosStatusEnum nagiosStatusEnum)
{
// Set status warning
if (nagiosStatusEnum == NagiosStatusEnum.Warning)
{
CounterStatus.SetWarning();
WriteVerbose($"Performance counter on counter {_performanceCounterString} = {_result} >= {_warning} -> status warning");
}
// Set status critical
else
{
CounterStatus.SetCritical();
WriteVerbose($"Performance counter on counter {_performanceCounterString} = {_result} >= {_critical} -> status critical");
}
// Store result and message in ResultString
ResultString = $"{_friendlyName} = {Math.Round(_result, 4, MidpointRounding.AwayFromZero).ToString(FormatFloat)} {nagiosStatusEnum.ToString().ToLower()}.";
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value != null)
{
CounterStatus conStatus = (CounterStatus)value;
if (conStatus.Equals(CounterStatus.Free))
{
return("/Images/CounterFree.png");
}
else
{
return("/Images/CopunterBusy.png");
}
}
else
{
return("/Images/CounterFree.png");;
}
}
