// only works correctly when the type is present in the cmd package.
func getHandlerName(f http.HandlerFunc, cmdType string) string {
	name := runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()

	packageName := fmt.Sprintf("github.com/minio/minio/cmd.%s.", cmdType)
	name = strings.TrimPrefix(name, packageName)
	name = strings.TrimSuffix(name, "Handler-fm")
	name = strings.TrimSuffix(name, "-fm")

	"github.com/minio/minio/internal/grid"
	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/rest"
)

// globalGrid is the global grid manager.
var globalGrid atomic.Pointer[grid.Manager]

// globalGridStart is a channel that will block startup of grid connections until closed.
var globalGridStart = make(chan struct{})

func initGlobalGrid(ctx context.Context, eps EndpointServerPools) error {

	ttl time.Duration

	opts Opts

	// Once can be used to initialize values for lazy initialization.
	// Should be set before calling Get().
	Once sync.Once

	// Managed values.
	valErr atomic.Pointer[struct {
		v T
		e error
	}]
	lastUpdateMs atomic.Int64
	updating     sync.Mutex
}

// New allocates a new cached value instance. Tt must be initialized with
// `.TnitOnce`.
func New[T any]() *Cache[T] {

	// The client will refill the tokens as they confirm delivery of the messages.
	for i := 0; i < outboundCap; i++ {
		m.outBlock <- struct{}{}
	}

	// Handler goroutine.
	var handlerErr atomic.Pointer[RemoteErr]
	go func() {
		wg.Wait()
		defer xioutil.SafeClose(send)
		err := m.handleRequests(ctx, msg, send, handler, handlerIn)
		if err != nil {
			handlerErr.Store(err)
		}
	}()

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v2/policy"
)

const (
	jwtAlgorithm = "Bearer"

	// Default JWT token for web handlers is one day.
	defaultJWTExpiry = 24 * time.Hour

	// Inter-node JWT token expiry is 15 minutes.
	defaultInterNodeJWTExpiry = 15 * time.Minute
)

var (
	errInvalidAccessKeyID = errors.New("The access key ID you provided does not exist in our records")