activeConnections uint64
	sync.RWMutex
}

func (n *netPerfRX) Connect() {
	n.Lock()
	defer n.Unlock()
	n.activeConnections++
	atomic.StoreUint64(&n.RX, 0)
	n.lastToConnect = time.Now()
}

func (n *netPerfRX) Disconnect() {
	n.Lock()
	defer n.Unlock()
	n.activeConnections--
	if n.firstToDisconnect.IsZero() {

		}, idx, *client.host)
	}
	nerrs := ng.Wait()
	if freeze {
		freezeServices()
	} else {
		unfreezeServices()
	}
	return nerrs
}

// Netperf - perform mesh style network throughput test
func (sys *NotificationSys) Netperf(ctx context.Context, duration time.Duration) []madmin.NetperfNodeResult {
	length := len(sys.allPeerClients)
	if length == 0 {
		// For single node erasure setup.
		return nil

			} else {
				w.WriteHeader(http.StatusBadRequest)
			}
			break
		}
	}
}

// SiteReplicationNetPerf - everything goes to io.Discard
// [POST] /minio/admin/v3/site-replication/netperf
func (a adminAPIHandlers) SiteReplicationNetPerf(w http.ResponseWriter, r *http.Request) {
	durationStr := r.Form.Get(peerRESTDuration)
	duration, _ := time.ParseDuration(durationStr)
	if duration < globalNetPerfMinDuration {

		// We need sample size of minimum 10 secs.
		duration = globalNetPerfMinDuration
	}

	duration = duration.Round(time.Second)

	results, err := globalSiteReplicationSys.Netperf(ctx, duration)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(toAPIErrorCode(ctx, err)), r.URL)
		return
	}
	enc := json.NewEncoder(w)
	if err := enc.Encode(results); err != nil {

		if !reflect.DeepEqual(s[i], s[0]) {
			return errSRIAMConfigMismatch(peers[0].Name, peers[i].Name, s[0], s[i])
		}
	}

	return nil
}

// Netperf for site-replication net perf
func (c *SiteReplicationSys) Netperf(ctx context.Context, duration time.Duration) (results madmin.SiteNetPerfResult, err error) {
	infos, err := globalSiteReplicationSys.GetClusterInfo(ctx)
	if err != nil {
		return results, err

    * Validatie zelfs voor diep geneste JSON objecten.
* <abbr title="ook bekend als: serialisatie, parsing, marshalling">Conversie</abbr> van invoergegevens: afkomstig van het netwerk naar Python-data en -types. Zoals:
    * JSON.
    * Pad parameters.
    * Query parameters.
    * Cookies.
    * Headers.
    * Formulieren.
    * Bestanden.