"github.com/minio/minio/internal/kms"
	"github.com/minio/minio/internal/logger"
)

type ssekms struct{}

var (
	// S3KMS represents AWS SSE-KMS. It provides functionality to
	// handle SSE-KMS requests.
	S3KMS = ssekms{}

	_ Type = S3KMS
)

// String returns the SSE domain as string. For SSE-KMS the
// domain is "SSE-KMS".
func (ssekms) String() string { return "SSE-KMS" }

	for _, format := range formats {
		if format == nil {
			continue
		}
		// NOTE: This code is specifically needed when migrating version
		// V1 to V2 to V3, in a scenario such as this we only need to handle
		// single sets since we never used to support multiple sets in releases
		// with V1 format version.
		if len(format.Erasure.Sets) > 1 {
			continue
		}
		if format.Erasure.This == "" {
			return true

	case syscall.DT_REG:
		typ = 0
	case syscall.DT_DIR:
		typ = os.ModeDir
	case syscall.DT_LNK:
		typ = os.ModeSymlink
	default:
		// Skip all other file types. Revisit if/when this code needs
		// to handle such files, MinIO is only interested in
		// files and directories.
		typ = unexpectedFileMode
	}

	nameBuf := (*[unsafe.Sizeof(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]))

		return nil, fmt.Errorf("grid: local host not found")
	}

	return m, nil
}

// AddToMux will add the grid manager to the given mux.
func (m *Manager) AddToMux(router *mux.Router) {
	router.Handle(RoutePath, m.Handler())
}

// Handler returns a handler that can be used to serve grid requests.
// This should be connected on RoutePath to the main server.
func (m *Manager) Handler() http.HandlerFunc {

		setObjectLayer(newObjectLayerFn())
		cancel()
		removeRoots(fsDirs)
	}
}

// ExecObjectLayerTestWithDirs - executes object layer tests.
// Creates single node and Erasure ObjectLayer instance and runs test for both the layers.
func ExecObjectLayerTestWithDirs(t TestErrHandler, objTest objTestTypeWithDirs) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	if localMetacacheMgr != nil {

	// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
	// Call the ServeHTTP to execute the handler.
	apiRouter.ServeHTTP(rec, req)

	ctx, cancel := context.WithCancel(GlobalContext)
	defer cancel()

	// Now check if we actually wrote to backend (regardless of the response
	// returned by the server).
	z := obj.(*erasureServerPools)
	xl := z.serverPools[0].sets[0]

	healthClient.NoMetrics = true

	// Construct a new health function.
	restClient.HealthCheckFn = func() bool {
		ctx, cancel := context.WithTimeout(context.Background(), restClient.HealthCheckTimeout)
		defer cancel()
		respBody, err := healthClient.Call(ctx, peerRESTMethodHealth, nil, nil, -1)
		xhttp.DrainBody(respBody)
		return !isNetworkError(err)
	}

type LockContext struct {
	ctx    context.Context
	cancel context.CancelFunc
}

// Context returns lock context
func (l LockContext) Context() context.Context {
	return l.ctx
}

// Cancel function calls cancel() function
func (l LockContext) Cancel() {
	if l.cancel != nil {
		l.cancel()
	}
}

// newNSLock - return a new name space lock map.

	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()

	_, err := client.Delete(timeoutCtx, key)
	etcdLogIf(ctx, err)
	return etcdErrToErr(err, client.Endpoints())
}

func readKeyEtcd(ctx context.Context, client *etcd.Client, key string) ([]byte, error) {
	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	resp, err := client.Get(timeoutCtx, key)

			ReplicationARN: tgt.ARN,
		},
		HeaderSize: headerSize,
	}
	newCtx := ctx
	if globalBucketMonitor.IsThrottled(bucket, tgt.ARN) {
		var cancel context.CancelFunc
		newCtx, cancel = context.WithTimeout(ctx, throttleDeadline)
		defer cancel()
	}
	r := bandwidth.NewMonitoredReader(newCtx, globalBucketMonitor, gr, opts)
	if objInfo.isMultipart() {