Struct PrometheusMetrics

metrics.go:27–32

PrometheusMetrics store Hub collected metrics.

// PrometheusMetrics store Hub collected metrics.
type PrometheusMetrics struct {
	registry         prometheus.Registerer
	subscribersTotal prometheus.Counter
	subscribers      prometheus.Gauge
	updatesTotal     prometheus.Counter
}

// NewPrometheusMetrics creates a Prometheus metrics collector.
// This method must be called only one time, or it will panic.