internal static string NormalizeWcfPerformanceCounterName(string counterName)
{
//
// See this:
// * https://msdn.microsoft.com/en-us/library/ms731087(v=vs.110).aspx
// * https://msdn.microsoft.com/en-us/library/ms735098.aspx
// * http://stackoverflow.com/q/41393811/60188
var serviceName = counterName.SubstringBefore("@").Replace('.', '_');
var serviceBaseAddress = counterName.SubstringAfter("@").Trim('|').Replace('.', '_');
var normalizedCounterName = string.Format("{0}.{1}",
MetricNameBuilder.SanitizeMetricName(serviceName).ToLowerInvariant(),
MetricNameBuilder.SanitizeMetricName(serviceBaseAddress).ToLowerInvariant());
while (normalizedCounterName.Contains("__"))
{
normalizedCounterName = normalizedCounterName.Replace("__", "_");
}
return(normalizedCounterName);
}
private IEnumerable <IMetricDefinition> CreatePerformanceCounterMetricDefinition(MetricConfigurationElement metric,
Func <string, string> metricNameProcessor)
{
return(ParsePerformanceCounters(metric.Path).Select(pc => {
var name = metric.Name;
if (!string.IsNullOrWhiteSpace(pc.Item1) && name.Contains("**"))
{
var fragment = MetricNameBuilder.SanitizeMetricName(metricNameProcessor(pc.Item1)).ToLowerInvariant();
fragment = fragment.Trim('_');
while (fragment.Contains("__"))
{
fragment = fragment.Replace("__", "_");
}
name = name.Replace("**", fragment);
} // if
var metricDefinition = new PerformanceCounterMetricDefinition(name, () => pc.Item2.NextValue(), metric.AggregationStrategy);
return metricDefinition;
}));
}