public Metric0DWrapper(string mdmAccountName, string mdmNamespace, string metricName)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
this.metric = MeasureMetric0D.Create(mdmAccountName, mdmNamespace, metricName, addDefaultDimension: true);
}
}
public static MetricLogger Create(
Context context,
string?monitoringAccount,
string logicalNameSpace,
string metricName,
bool addDefaultDimensions,
IEnumerable <Dimension> dimensions)
{
if (string.IsNullOrEmpty(monitoringAccount))
{
return(NoOpMetricLogger.Instance);
}
// For some reason the generic MeasureMetric class does not work with 0 dimensions. There is a special
// class (MeasureMetric0D) that does metrics without any dimensions.
var dimensionNames = dimensions.Select(d => d.Name).ToArray();
Tracer.Debug(context, $"Initializing Mdm logger {logicalNameSpace}:{metricName}");
var error = new ErrorContext();
MeasureMetric? measureMetric = null;
MeasureMetric0D?measureMetric0D = null;
// Very important not to forget to pass true for addDefaultDimension argument since the default is false.
if (dimensionNames.Length > 0)
{
measureMetric = MeasureMetric.Create(monitoringAccount, logicalNameSpace, metricName, ref error, addDefaultDimension: addDefaultDimensions, dimensionNames);
}
else
{
measureMetric0D = MeasureMetric0D.Create(monitoringAccount, logicalNameSpace, metricName, ref error, addDefaultDimension: addDefaultDimensions);
}
if (error.ErrorCode != 0)
{
Tracer.Error(context, $"Fail to create MeasureMetric. {logicalNameSpace}:{metricName} ErrorCode: {error.ErrorCode} ErrorMessage: {error.ErrorMessage}. Metrics would be disabled!");
return(NoOpMetricLogger.Instance);
}
return(new WindowsMetricLogger(context, logicalNameSpace, metricName, measureMetric, measureMetric0D));
}
