if err != nil {
			writeErr(fmt.Errorf("reading connect: %w", err))
			w.WriteHeader(http.StatusForbidden)
			return
		}
		if debugPrint {
			fmt.Printf("%s handler: Got message, length %v\n", m.local, len(msg))
		}

		var message message
		_, _, err = message.parse(msg)
		if err != nil {
			writeErr(fmt.Errorf("error parsing grid connect: %w", err))
			return
		}
		if message.Op != OpConnect {

	"github.com/tinylib/msgp/msgp"
	"github.com/zeebo/xxh3"
)

func gridLogIf(ctx context.Context, err error, errKind ...interface{}) {
	logger.LogIf(ctx, "grid", err, errKind...)
}

func gridLogIfNot(ctx context.Context, err error, ignored ...error) {
	logger.LogIfNot(ctx, "grid", err, ignored...)
}

func gridLogOnceIf(ctx context.Context, err error, id string, errKind ...interface{}) {

		// installer.Run() will block indefinitely, and attempt to permanently "keep"
		// the CNI binary installed.
		if err = installer.Run(ctx); err != nil {
			if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
				log.Infof("installer complete: %v", err)
				// Error was caused by interrupt/termination signal
				err = nil
			} else {
				log.Errorf("installer failed: %v", err)
			}

	mt := monitortest.New(t)
	setupLogging()
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	fixture := connect(ctx)
	ztunClient := fixture.ztunClient
	uid := fixture.uid

	m, fds := readRequest(t, ztunClient)
	// we got am essage from ztun, so it should have observed us being connected
	mt.Assert(ztunnelConnected.Name(), nil, monitortest.Exactly(1))

			_ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_FASTOPEN, 32*1024)

			// Enable TCP fast connect
			// TCPFastOpenConnect sets the underlying socket to use
			// the TCP fast open connect. This feature is supported
			// since Linux 4.11.
			_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_FASTOPEN_CONNECT, 1)

			// Enable TCP quick ACK, John Nagle says

func (client *storageRESTClient) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
	return errInvalidArgument
}

// MakeVol - create a volume on a remote disk.
func (client *storageRESTClient) MakeVol(ctx context.Context, volume string) (err error) {
	return errInvalidArgument
}

// ListVols - List all volumes on a remote disk.
func (client *storageRESTClient) ListVols(ctx context.Context) (vols []VolInfo, err error) {

}

var (
	// globalServerConfig server config.
	globalServerConfig   config.Config
	globalServerConfigMu sync.RWMutex
)

func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
	switch subSys {
	case config.SiteSubSys:

	go func() {
		err := globalTierConfigMgr.Reload(context.Background(), newObjectLayerFn())
		if err != nil {
			peersLogIf(context.Background(), fmt.Errorf("Failed to reload remote tier config %s", err))
		}
	}()

	return
}

// ConsoleLogHandler sends console logs of this node back to peer rest client
func (s *peerRESTServer) ConsoleLogHandler(ctx context.Context, params *grid.MSS, out chan<- *grid.Bytes) *grid.RemoteErr {

			if errors.Is(err, errDiskNotFound) && verboseLogging {
				if globalEndpoints.NEndpoints() > 1 {
					logger.Error("Unable to connect to %s: %v", endpoints[i], isServerResolvable(endpoints[i], time.Second))
				} else {
					logger.Fatal(err, "Unable to connect to %s: %v", endpoints[i], isServerResolvable(endpoints[i], time.Second))
				}
			} else {
				if globalEndpoints.NEndpoints() > 1 {

// only via IAM notifications.
func (sys *IAMSys) LoadGroup(ctx context.Context, objAPI ObjectLayer, group string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)
}

// LoadPolicy - reloads a specific canned policy from backend disks or etcd.
func (sys *IAMSys) LoadPolicy(ctx context.Context, objAPI ObjectLayer, policyName string) error {