//
// This function currently ignores `opts`.
func loadAPIRequestsHTTPMetrics(ctx context.Context, m MetricValues, _ *metricsCache) error {
	// Collect node level S3 HTTP metrics.
	httpStats := globalHTTPStats.toServerHTTPStats(false)

	// Currently we only collect S3 API related stats, so we set the "type"
	// label to "s3".

	m.Set(apiRejectedAuthTotal, float64(httpStats.TotalS3RejectedAuth), "type", "s3")

	// Golang automatically resets to zero if this overflows
	atomic.AddUint64(&st.s3RequestsIncoming, 1)
}

// Converts http stats into struct to be sent back to the client.
func (st *HTTPStats) toServerHTTPStats(toLowerKeys bool) ServerHTTPStats {
	serverStats := ServerHTTPStats{}
	serverStats.S3RequestsIncoming = atomic.SwapUint64(&st.s3RequestsIncoming, 0)
	serverStats.S3RequestsInQueue = atomic.LoadInt32(&st.s3RequestsInQueue)

		cacheInterval:    10 * time.Second,
		metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(ctx context.Context) (metrics []MetricV2) {
		if !mg.metricsGroupOpts.bucketOnly {
			httpStats := globalHTTPStats.toServerHTTPStats(true)
			metrics = make([]MetricV2, 0, 3+
				len(httpStats.CurrentS3Requests.APIStats)+
				len(httpStats.TotalS3Requests.APIStats)+
				len(httpStats.TotalS3Errors.APIStats)+