PerformanceCounter CounterFromConfig(string instance, PerfCounterConfig config)
{
try
{
PerformanceCounter counter;
if (MultipleInstance)
{
if (instance == null)
{
counter = new PerformanceCounter(Category, config.Name, ConfigUtility.ApplicationName, false);
}
else
{
counter = new PerformanceCounter(Category, config.Name, instance, false);
}
}
else
{
counter = new PerformanceCounter(Category, config.Name, false);
}
counter.RawValue = config.RawValue;
return(counter);
}
catch (Exception ex)
{
//we'll log this latter, but we can't use handle exception now
// because we must be sure that it would be recursively
LoggingWrapper.Write(string.Format("Failed to create counter '{0}': {1}\r\n{2}", config.Name,
ex.Message, ex.StackTrace));
return(null);
}
}
void InstallCounters()
{
if (counterConfigs != null)
{
CounterCreationDataCollection col = new CounterCreationDataCollection();
foreach (PerfCounterConfig config in counterConfigs)
{
CounterCreationData data = new CounterCreationData(config.Name, config.Help, config.CounterType);
col.Add(data);
}
try
{
PerformanceCounterCategory.Create(Category, Help, CategoryType, col);
}
catch (Exception ex)
{
//we'll log this latter, but we can't use handle exception now
// because we must be sure that it would be recursively
LoggingWrapper.Write(string.Format("Failed to create category '{0}': {1}\r\n{2}", Category,
ex.Message, ex.StackTrace));
}
}
}