Struct handler

node_exporter.go:45–55

handler wraps an unfiltered http.Handler but uses a filtered handler, created on the fly, if filtering is requested. Create instances with newHandler.

// created on the fly, if filtering is requested. Create instances with
// newHandler.
type handler struct {
	unfilteredHandler http.Handler
	// enabledCollectors list is used for logging and filtering
	enabledCollectors []string
	// exporterMetricsRegistry is a separate registry for the metrics about
	// the exporter itself.
	exporterMetricsRegistry *prometheus.Registry
	includeExporterMetrics  bool
	maxRequests             int
	logger                  *slog.Logger
}

func newHandler(includeExporterMetrics bool, maxRequests int, logger *slog.Logger) *handler {
	h := &handler{