func()

in xray/fasthttp.go [30:55]

• 22 lines of code
• 3 McCabe index (conditional complexity)

func (h *fasthttpHandler) Handler(sn SegmentNamer, handler fasthttp.RequestHandler) fasthttp.RequestHandler {
	return func(ctx *fasthttp.RequestCtx) {
		auxCtx := context.Background()
		if h.cfg != nil {
			auxCtx = context.WithValue(context.Background(), fasthttpContextConfigKey, h.cfg)
			ctx.SetUserValue(fasthttpContextConfigKey, h.cfg)
		}

		name := sn.Name(string(ctx.Request.Host()))
		traceHeader := header.FromString(string(ctx.Request.Header.Peek(TraceIDHeaderKey)))

		req, err := fasthttpToNetHTTPRequest(ctx)
		if err != nil {
			ctx.Logger().Printf("%s", err.Error())
			ctx.Error("Internal Server Error", fasthttp.StatusInternalServerError)
			return
		}

		_, seg := NewSegmentFromHeader(auxCtx, name, req, traceHeader)
		defer seg.Close(nil)

		ctx.SetUserValue(fasthttpContextKey, seg)
		httpCaptureRequest(seg, req)
		fasthttpTrace(seg, handler, ctx, traceHeader)
	}
}