// FileNameFunc must ensure collisions in filenames do not occur.
	// Do not rely on timestamps to be unique, high throughput writes
	// may fall on the same timestamp.
	// Eg.
	// 	2020-03-28_15-00-945-<random-hash>.log
	// When FileNameFunc is not specified, DefaultFilenameFunc will be used.
	FileNameFunc func() string

	// Compress specify if you want the logs to be compressed after rotation.
	Compress bool
}

	setIndexes  [][]uint64 // All the sets.
}

// Supported set sizes this is used to find the optimal
// single set size.
var setSizes = []uint64{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}

// getDivisibleSize - returns a greatest common divisor of
// all the ellipses sizes.
func getDivisibleSize(totalSizes []uint64) (result uint64) {
	gcd := func(x, y uint64) uint64 {
		for y != 0 {
			x, y = y, x%y

		bucket:     bucket,
		prefix:     "",
		objectName: obj,
		lifeCycle:  &lc,
	}

	modTime := time.Now()
	uuids := make([]uuid.UUID, 5)
	for i := range uuids {
		uuids[i] = uuid.UUID([16]byte{15: uint8(i + 1)})
	}
	fivs := make([]FileInfo, 5)
	for i := 0; i < 5; i++ {
		fivs[i] = FileInfo{
			Volume:      bucket,
			Name:        obj,
			VersionID:   uuids[i].String(),
			IsLatest:    i == 0,

		// Testing on empty bucket, that is, bucket without any objects in it (14).
		{"empty-bucket", "", "", "", 0, ListObjectsInfo{}, nil, true},
		// Setting maxKeys to negative value (15-16).
		{"empty-bucket", "", "", "", -1, ListObjectsInfo{}, nil, true},
		{"empty-bucket", "", "", "", 1, ListObjectsInfo{}, nil, true},
		// Setting maxKeys to a very large value (17).

// Once the disk has been deemed ok, it will return to online status.
func (p *xlStorageDiskIDCheck) monitorDiskWritable(ctx context.Context) {
	var (
		// We check every 15 seconds if the disk is writable and we can read back.
		checkEvery = 15 * time.Second

		// If the disk has completed an operation successfully within last 5 seconds, don't check it.
		skipIfSuccessBefore = 5 * time.Second
	)

		w.WriteHeader(499)
	default:
		w.WriteHeader(http.StatusForbidden)
	}
	w.Write([]byte(err.Error()))
}

// DefaultSkewTime - skew time is 15 minutes between minio peers.
const DefaultSkewTime = 15 * time.Minute

// Authenticates storage client's requests and validates for skewed time.
func storageServerRequestValidate(r *http.Request) error {

			if err != nil {
				logger.Fatal(err, "Failed to load KES client certificate")
			}
			certificate.Watch(context.Background(), 15*time.Minute, syscall.SIGHUP)
			certificate.Notify(reloadCertEvents)

			kmsConf = kms.Config{
				Endpoints:        endpoints,
				DefaultKeyID:     env.Get(kms.EnvKESKeyName, ""),
				Certificate:      certificate,

	// IAM group members file
	iamGroupMembersFile = "members.json"

	// IAM format file
	iamFormatFile = "format.json"

	iamFormatVersion1 = 1

	minServiceAccountExpiry time.Duration = 15 * time.Minute
	maxServiceAccountExpiry time.Duration = 365 * 24 * time.Hour
)

var errInvalidSvcAcctExpiration = errors.New("invalid service account expiration")

type iamFormat struct {
	Version int `json:"version"`

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

const (
	// STS API version.
	stsAPIVersion             = "2011-06-15"
	stsVersion                = "Version"
	stsAction                 = "Action"
	stsPolicy                 = "Policy"
	stsToken                  = "Token"
	stsRoleArn                = "RoleArn"

	DisableErrorLog = false
	// Output allows configuring custom writer, defaults to os.Stderr
	Output io.Writer = os.Stderr
)

var trimStrings []string

// TimeFormat - logging time format.
const TimeFormat string = "15:04:05 MST 01/02/2006"

var matchingFuncNames = [...]string{
	"http.HandlerFunc.ServeHTTP",
	"cmd.serverMain",
	// add more here ..
}

// quietFlag: Hide startup messages if enabled