"github.com/minio/minio/internal/grid"
)

// lockRESTClient is authenticable lock REST client
type lockRESTClient struct {
	connection *grid.Connection
}

// IsOnline - returns whether REST client failed to connect or not.
func (c *lockRESTClient) IsOnline() bool {
	return c.connection.State() == grid.StateConnected
}

// Not a local locker
func (c *lockRESTClient) IsLocal() bool {
	return false
}

	return &HTTPConsoleLoggerSys{
		pubsub:  pubsub.New[log.Info, madmin.LogMask](8),
		console: console.New(w),
		logBuf:  ring.New(defaultLogBufferCount),
	}
}

// IsOnline always true in case of console logger
func (sys *HTTPConsoleLoggerSys) IsOnline(_ context.Context) bool {
	return true
}

// SetNodeName - sets the node name if any after distributed setup has initialized

	String() string

	// Close closes any underlying connection to the service endpoint
	Close() error

	// Is the underlying connection online? (is always true for any local lockers)
	IsOnline() bool

	// Is the underlying locker local to this server?
	IsLocal() bool

	return ""
}

func (t *testLogger) Stats() types.TargetStats {
	return types.TargetStats{}
}

func (t *testLogger) Init(ctx context.Context) error {
	return nil
}

func (t *testLogger) IsOnline(ctx context.Context) bool {
	return t.current.Load() != nil
}

func (t *testLogger) Cancel() {
	t.current.Store(nil)
}

func (t *testLogger) Send(ctx context.Context, entry any) error {

	defer cancel()
	err = initGlobalLockGrid(ctx, []PoolEndpoints{{Endpoints: Endpoints{endpoint, endpointLocal}}})
	if err != nil {
		t.Fatal(err)
	}

	lkClient := newlockRESTClient(endpoint)
	if lkClient.IsOnline() {
		t.Fatalf("unexpected result. connection was online")
	}

	// Attempt all calls.
	_, err = lkClient.RLock(t.Context(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Rlock to fail")
	}

// a single log entry and Send it to the log target
//
//	e.g. Send the log to a http server
type Target interface {
	String() string
	Endpoint() string
	Stats() types.TargetStats
	Init(ctx context.Context) error
	IsOnline(ctx context.Context) bool
	Cancel()
	Send(ctx context.Context, entry any) error
	Type() types.TargetType
}

type targetsList struct {
	list []Target
	mu   sync.RWMutex
}

	// For that individual storage API calls will fail properly. The purpose
	// of this function is to know if the "drive" has "format.json" or not
	// if it has a "format.json" then is it correct "format.json" or not.
	IsOnline() bool

	// Returns the last time this disk (re)-connected
	LastConn() time.Time

	// Indicates if disk is local or not.
	IsLocal() bool

	// Returns hostname if disk is remote.
	Hostname() string

	}

	return &ReconnectRESTClient{
		u:    u,
		rest: rest.NewClient(u, tr, nil),
	}
}

// Close closes the underlying socket file descriptor.
func (restClient *ReconnectRESTClient) IsOnline() bool {
	// If rest client has not connected yet there is nothing to close.
	return restClient.rest != nil
}

func (restClient *ReconnectRESTClient) IsLocal() bool {
	return false
}

	Endpoint      string             `json:"endpoint"`
	TotalDowntime time.Duration      `json:"totalDowntime"`
	LastOnline    time.Time          `json:"lastOnline"`
	Online        bool               `json:"isOnline"`
	Latency       madmin.LatencyStat `json:"latency"`

	// replication metrics across buckets roll up
	ReplicatedSize int64 `json:"replicatedSize"`
	// Total number of completed operations

+++ /dt9/usr/include/x86_64-linux-gnu/sys/cdefs.new.h   2022-11-04 17:17:31.727061220 +0000
@@ -320,7 +320,7 @@

 /* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
    inline semantics, unless -fgnu89-inline is used.  */
-#if (!defined __cplusplus || __GNUC_PREREQ (4,3)) && defined __GNUC__
+#if (!defined __cplusplus || __GNUC_PREREQ (4,3) || defined __clang__) && defined __GNUC__