metrics

package

v1.0.10458-9e886f5 Latest Latest Go to latest Published: May 23, 2024 License: MIT Imports: 10 Imported by: 0

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

func New(ctx context.Context) *Metrics

New creates a new Metrics for capturing metrics from http trace. the context is needed to extract the metrics provider.

func (m *Metrics) GaugeName() string

func (m *Metrics) Gauges(_ context.Context) map[string][]system.TaggedValue

Gauges are instantaneous name value pairs

func (m *Metrics) RoundTrip(req *http.Request) (*http.Response, error)

RoundTrip makes Metrics a http.RoundTripper. It adds reference counting to round trips to be able to count inflight requests.

func (m *Metrics) WithTracer(ctx context.Context, route string) context.Context

WithTracer adds the tracer onto the context for this request. nolint:funlen

func (m *Metrics) Wrap(name string, r http.RoundTripper) http.RoundTripper

Wrap wraps r with the Metrics reference counted round tripper.