protected MetricHandler(CollectorRegistry registry = null)
{
_registry = registry ?? Metrics.DefaultRegistry;
}
internal MetricFactory(CollectorRegistry registry)
{
_registry = registry ?? throw new ArgumentNullException(nameof(registry));
}
public MetricServer(string hostname, int port, string url = "metrics/", CollectorRegistry registry = null, bool useHttps = false) : base(registry)
{
var s = useHttps ? "s" : "";
_httpListener.Prefixes.Add($"http{s}://{hostname}:{port}/{url}");
}
public MetricPusher(string endpoint, string job, string instance = null, long intervalMilliseconds = 1000, IEnumerable <Tuple <string, string> > additionalLabels = null, CollectorRegistry registry = null) : base(registry)
{
if (string.IsNullOrEmpty(endpoint))
{
throw new ArgumentNullException("endpoint");
}
if (string.IsNullOrEmpty(job))
{
throw new ArgumentNullException("job");
}
if (intervalMilliseconds <= 0)
{
throw new ArgumentException("Interval must be greater than zero", "intervalMilliseconds");
}
StringBuilder sb = new StringBuilder(string.Format("{0}/job/{1}", endpoint.TrimEnd('/'), job));
if (!string.IsNullOrEmpty(instance))
{
sb.AppendFormat("/instance/{0}", instance);
}
if (additionalLabels != null)
{
foreach (var pair in additionalLabels)
{
if (pair == null || string.IsNullOrEmpty(pair.Item1) || string.IsNullOrEmpty(pair.Item2))
{
throw new NotSupportedException($"Invalid {nameof(MetricPusher)} additional label: ({pair?.Item1}):({pair?.Item2})");
}
sb.AppendFormat("/{0}/{1}", pair.Item1, pair.Item2);
}
}
if (!Uri.TryCreate(sb.ToString(), UriKind.Absolute, out _targetUrl))
{
throw new ArgumentException("Endpoint must be a valid url", "endpoint");
}
_pushInterval = TimeSpan.FromMilliseconds(intervalMilliseconds);
}
public MetricServer(int port, string url = "metrics/", CollectorRegistry registry = null, bool useHttps = false) : this("+", port, url, registry, useHttps)
{
}