/// <inheritdoc/>
public IEnumerable <Collector> Provide(IMetricFactory metricFactory)
{
_connectedHeads = metricFactory.Gauge("ConnectedHeads", "Number of connected heads");
_headConnects = metricFactory.Counter("HeadConnects", "Number of connections established from heads");
_headDisconnects = metricFactory.Counter("HeadDisconnects", "Number of connections disconnected from heads");
return(new Collector[]
{
_connectedHeads,
_headConnects,
_headDisconnects
});
}
public static ICounter Counter(string name, string instance)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
if (String.IsNullOrEmpty(instance))
{
throw new ArgumentNullException(nameof(instance));
}
var parent = New(name, null, () => Factory.Counter(name));
return(New(name, instance, () => Factory.Counter(parent, instance)));
}