monitoring

type Counter interface {
	Inc(labelVals ...string)
	Add(val float64, labelVals ...string)
	Value(labelVals ...string) float64
}

type Gauge interface {
	Inc(labelVals ...string)
	Dec(labelVals ...string)
	Add(val float64, labelVals ...string)
	Set(val float64, labelVals ...string)
	// Value retrieves the value for a particular set of labels.
	// This is only really useful for testing implementations.
	Value(labelVals ...string) float64
}

type Histogram interface {
	Observe(val float64, labelVals ...string)
	// Info retrieves the count and sum of observations for a particular set of labels.
	// This is only really useful for testing implementations.
	Info(labelVals ...string) (uint64, float64)
}

type InertDistribution struct {
	// contains filtered or unexported fields
}

type InertFloat struct {
	// contains filtered or unexported fields
}

type InertMetricFactory struct{}

type MetricFactory interface {
	NewCounter(name, help string, labelNames ...string) Counter
	NewGauge(name, help string, labelNames ...string) Gauge
	NewHistogram(name, help string, labelNames ...string) Histogram
}

type RPCStatsInterceptor struct {
	ReqCount          Counter
	ReqSuccessCount   Counter
	ReqSuccessLatency Histogram
	ReqErrorCount     Counter
	ReqErrorLatency   Histogram
	// contains filtered or unexported fields
}