static void Main()
{
var counter = Metrics.CreateCounter("abc");
counter.Increment();
counter.Increment(2);
counter.Increment("def");
counter.Increment("ghi", 5000);
counter.Increment("\\\"\n", 3);
counter.Increment(null, 5000);
var summary = Metrics.CreateSummary("my_summary");
for (int i = 0; i < 100; i++)
{
summary.Observe(i);
summary.Observe("inst", i * 2);
}
var histogram = Metrics.CreateHistogram("my_histogram", HistogramBuckets.SampleExponentialBuckets);
for (int i = 0; i < 100; i++)
{
histogram.Observe(i * 0.004);
histogram.Observe("inst", i * 2);
}
var instance = DotNetStats.Register(Metrics.DefaultRegistry);
instance.UpdateMetrics();
Metrics.DefaultRegistry.WriteTo(Console.Out);
}
static Metrics()
{
DefaultRegistry = new CollectorRegistry();
_defaultFactory = new MetricFactory(DefaultRegistry);
// We include some metrics by default, just to give some output when a user first uses the library.
// These are not designed to be super meaningful/useful metrics.
DotNetStats.Register(DefaultRegistry);
}
public static IHostBuilder AddMetrics(this IHostBuilder builder)
=> builder.ConfigureServices(services =>
{
var registry = Prometheus.Metrics.NewCustomRegistry();
DotNetStats.Register(registry);
var factory = Prometheus.Metrics.WithCustomRegistry(registry);
services.AddSingleton <IMetricFactory>(factory);
services.AddSingleton(provider =>
{
foreach (var collector in provider.GetRequiredService <IEnumerable <MetricCollector> >())
{
provider.GetRequiredService(collector.CollectorType);
}
return(registry);
});
});
static Metrics()
{
NewDefaultRegistry();
DotNetStats.Register(DefaultRegistry);
}