Method ServeContentWithRate

context/context.go:5448–5458

ServeContentWithRate same as `ServeContent` but it can throttle the speed of reading and though writing the "content" to the client.

(content io.ReadSeeker, filename string, modtime time.Time, limit float64, burst int)

// ServeContentWithRate same as `ServeContent` but it can throttle the speed of reading
// and though writing the "content" to the client.
func (ctx *Context) ServeContentWithRate(content io.ReadSeeker, filename string, modtime time.Time, limit float64, burst int) {
	if limit > 0 {
		content = &rateReadSeeker{
			ReadSeeker: content,
			ctx:        ctx.request.Context(),
			limiter:    rate.NewLimiter(rate.Limit(limit), burst),
		}
	}

	http.ServeContent(ctx.writer, ctx.request, filename, modtime, content)
}

// ServeFile replies to the request with the contents of the named
// file or directory.