func (c *kesClient) Metrics(ctx context.Context) (kes.Metric, error) {
	c.lock.RLock()
	defer c.lock.RUnlock()

	return c.client.Metrics(ctx)
}

// Version retrieves version information
func (c *kesClient) Version(ctx context.Context) (string, error) {
	c.lock.RLock()
	defer c.lock.RUnlock()

	return c.client.Version(ctx)
}

// APIs retrieves a list of supported API endpoints

	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() {
		n.RXSample = atomic.LoadUint64(&n.RX)

			}

			defer logger.AuditLog(r.Context(), w, r, mustGetClaimsFromToken(r))
			writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrUnsupportedMetadata), r.URL)
			return
		}

		if isHTTPHeaderSizeTooLarge(r.Header) {
			if ok {
				tc.FuncName = "handler.ValidRequest"
				tc.ResponseRecorder.LogErrBody = true
			}

	ctx, cancel := context.WithCancel(context.Background())

	dm.m.Lock()
	dm.cancelRefresh = cancel
	dm.m.Unlock()

	go func() {
		defer cancel()

		refreshTimer := time.NewTimer(dm.refreshInterval)
		defer refreshTimer.Stop()

		for {
			select {
			case <-ctx.Done():
				return
			case <-refreshTimer.C:
				noQuorum, err := refreshLock(ctx, dm.clnt, id, source, quorum)

	return queueStore, nil
}

// Tear down queue store.
func tearDownQueueStore() error {
	return os.RemoveAll(queueDir)
}

// TestQueueStorePut - tests for store.Put
func TestQueueStorePut(t *testing.T) {
	defer func() {
		if err := tearDownQueueStore(); err != nil {
			t.Fatal("Failed to tear down store ", err)
		}
	}()
	store, err := setUpQueueStore(queueDir, 100)
	if err != nil {

		}

		cctx, cancel := context.WithCancel(context.Background())
		defer cancel()

		if prefix == "" {
			// if all objects are not deleted yet this call may fail.
			return clnt.RemoveBucket(cctx, bucket)
		}

		objectsCh := make(chan minio.ObjectInfo)

		// Send object names that are needed to be removed to objectsCh
		go func() {
			defer xioutil.SafeClose(objectsCh)
			opts := minio.ListObjectsOptions{

		pool := globalBytePoolCap.Load()
		bufA := pool.Get()
		bufB := pool.Get()
		defer pool.Put(bufA)
		defer pool.Put(bufB)
		ra, err := readahead.NewReaderBuffer(data, [][]byte{bufA[:fi.Erasure.BlockSize], bufB[:fi.Erasure.BlockSize]})
		if err == nil {
			toEncode = ra
			defer ra.Close()
		}
	}

	n, err := erasure.Encode(pctx, toEncode, writers, buffer, writeQuorum)

func (g *NotificationGroup) Go(ctx context.Context, f func() error, index int, addr xnet.Host) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	g.workers.Take()

	go func() {
		defer g.workers.Give()

		g.errs[index] = NotificationPeerErr{
			Host: addr,
		}
		for i := 0; i < g.retryCount; i++ {
			g.errs[index].Err = nil
			if err := f(); err != nil {
				g.errs[index].Err = err

	if ri == nil {
		return
	}

	ri.mu.Lock()
	defer ri.mu.Unlock()

	ri.Bucket = bucket
	ri.Object = info.Name
	ri.countItem(info.Size, info.DeleteMarker, success)
}

func (ri *batchJobInfo) trackCurrentBucketBatch(bucket string, batch []ObjectInfo) {
	if ri == nil {
		return
	}

	ri.mu.Lock()
	defer ri.mu.Unlock()

	ri.Bucket = bucket
	for i := range batch {

	d, err := Open(dirPath)
	if err != nil {
		if osErrToFileErr(err) == errFileNotFound {
			return nil
		}
		return osErrToFileErr(err)
	}
	defer d.Close()

	maxEntries := 1000
	for {
		// Read up to max number of entries.
		fis, err := d.Readdir(maxEntries)
		if err != nil {
			if err == io.EOF {
				break
			}
			err = osErrToFileErr(err)