webserver

type Config struct {
	Server       api.Server
	Authority    string   // External domain name with optional port number.
	Origins      []string // Value "*" causes Origin header to be ignored.
	NonceChecker model.NonceChecker

	// StartSpan within request context, ending when endSpan is called.  See
	// gate.computer/gate/trace/tracelink.  The pattern string indicates the
	// matching HTTP route handler.
	//
	// TODO: is pattern redundant?
	StartSpan func(r *http.Request, pattern string) (ctx Context, endSpan func(Context))

	// AddEvent to the current trace span, or outside of trace but in relation
	// to span links.  See gate.computer/gate/trace/tracelink.
	AddEvent func(Context, *event.Event, error)

	// DetachTrace is invoked after a potentially long-running connection has
	// finished its setup.  It should end current trace and/or span if
	// possible, and prepare the context for linking to the ended span.  See
	// gate.computer/gate/trace/tracelink.
	DetachTrace func(Context) Context
	// contains filtered or unexported fields
}