metrics

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

type Provider interface {
	// StartTrace starts a new trace
	StartTrace(name string) Trace

	// RecordEvent records a custom event with key-value attributes
	RecordEvent(eventName string, attributes map[string]interface{})

	// RecordCount records a count metric
	RecordCount(metricName string, count uint64)

	// RecordDuration records a duration metric
	RecordDuration(metricName string, duration time.Duration)
}

type Request struct {
	Header    http.Header
	URL       interface{} // *url.URL
	Method    string
	Transport string
}

type Span interface {
	// AddAttribute adds a key-value attribute to the span
	AddAttribute(key string, value interface{})

	// End completes the span
	End()
}

type Trace interface {
	// StartSpan starts a new span within the trace
	StartSpan(name string) Span

	// AddAttribute adds a key-value attribute to the trace
	AddAttribute(key string, value interface{})

	// OnError records an error on the trace
	OnError(err error)

	// SetRequest sets HTTP request information on the trace
	SetRequest(r Request)

	// SetResponse sets the HTTP response writer for the trace
	SetResponse(w http.ResponseWriter) http.ResponseWriter

	// End completes the trace
	End()
}