"sync"
	"time"

	"github.com/minio/pkg/v3/sync/errgroup"
)

func (er erasureObjects) getOnlineDisks() (newDisks []StorageAPI) {
	disks := er.getDisks()
	var wg sync.WaitGroup
	var mu sync.Mutex
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for _, i := range r.Perm(len(disks)) {
		i := i
		wg.Add(1)
		go func() {
			defer wg.Done()
			if disks[i] == nil {
				return
			}

	Start, End int64
}

// GetLength - get length of range
func (h *HTTPRangeSpec) GetLength(resourceSize int64) (rangeLength int64, err error) {
	switch {
	case resourceSize < 0:
		return 0, errors.New("Resource size cannot be negative")

	case h == nil:
		rangeLength = resourceSize

	case h.IsSuffixLength:
		specifiedLen := -h.Start
		rangeLength = specifiedLen
		if specifiedLen > resourceSize {

		Description:    "The web identity token that was passed is expired or is not valid. Get a new identity token from the identity provider and then retry the request.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSClientGrantsExpiredToken: {
		Code:           "ExpiredToken",
		Description:    "The client grants that was passed is expired or is not valid. Get a new client grants token from the identity provider and then retry the request.",

		KeyID:     key.KeyID,
		KMSKey:    key.Ciphertext,
		Algorithm: algorithm,
		Nonce:     nonce,
	})
	if err != nil {
		return nil, err
	}
	if len(metadata) > MaxMetadataSize {
		return nil, errors.New("config: encryption metadata is too large")
	}
	header[0] = Version
	binary.LittleEndian.PutUint32(header[1:], uint32(len(metadata)))
	buffer.Write(header[:])
	buffer.Write(metadata)

	return io.MultiReader(

	acceptCh    chan acceptResult // channel where all TCP listeners write accepted connection.
	ctx         context.Context
	ctxCanceler context.CancelFunc
}

// start - starts separate goroutine for each TCP listener.  A valid new connection is passed to httpListener.acceptCh.
func (listener *httpListener) start() {
	// Closure to send acceptResult to acceptCh.
	// It returns true if the result is sent else false if returns when doneCh is closed.

	// OpenID configuration
	OpenID openid.Config `json:"openid"`

	// External policy enforcements.
	Policy struct {
		// OPA configuration.
		OPA opa.Args `json:"opa"`

		// Add new external policy enforcements here.
	} `json:"policy"`

	LDAPServerConfig xldap.LegacyConfig `json:"ldapserverconfig"`

	return status, nil
}

func (c *kesConn) ListKeyNames(ctx context.Context, req *ListRequest) ([]string, string, error) {
	return c.client.ListKeys(ctx, req.Prefix, req.Limit)
}

// CreateKey tries to create a new key at the KMS with the
// given key ID.
//
// If the a key with the same keyID already exists then
// CreateKey returns kes.ErrKeyExists.
func (c *kesConn) CreateKey(ctx context.Context, req *CreateKeyRequest) error {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"errors"
	"fmt"

	etcd "go.etcd.io/etcd/client/v3"
)

var errEtcdUnreachable = errors.New("etcd is unreachable, please check your endpoints")

func etcdErrToErr(err error, etcdEndpoints []string) error {
	if err == nil {
		return nil
	}
	switch err {
	case context.DeadlineExceeded:

	if m == nil {
		return
	}

	select {
	case m.opCh <- op:
	default:
	}
}

var healSleeper = newDynamicSleeper(5, time.Second, false)

// healRoutine listens to new disks reconnection events and
// issues healing requests for queued objects belonging to the
// corresponding erasure set
func (m *mrfState) healRoutine(z *erasureServerPools) {
	for {
		select {

func EnsureCertAndKey(clientCert, clientKey string) error {
	if (clientCert != "" && clientKey == "") ||
		(clientCert == "" && clientKey != "") {
		return errors.New("cert and key must be specified as a pair")
	}
	return nil