// Init represents the structure.
type Init struct {
	done uint32
	m    sync.Mutex
}

// Do is similar to sync.Once.Do - makes one successful
// call to the function. ie, it invokes the function
// if it is not successful yet.
func (l *Init) Do(f func() error) error {
	if atomic.LoadUint32(&l.done) == 0 {
		return l.do(f)
	}
	return nil
}

func (l *Init) do(f func() error) error {

	d := diskHealthTracker{
		lastSuccess: time.Now().UnixNano(),
		lastStarted: time.Now().UnixNano(),
	}
	d.status.Store(diskHealthOK)
	return &d
}

// logSuccess will update the last successful operation time.
func (d *diskHealthTracker) logSuccess() {
	atomic.StoreInt64(&d.lastSuccess, time.Now().UnixNano())
}

func (d *diskHealthTracker) isFaulty() bool {
	return d.status.Load() == diskHealthFaulty

import (
	"context"
	"time"

	"github.com/google/uuid"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/pkg/v2/wildcard"
)

const (
	mrfOpsQueueSize = 100000
)

// partialOperation is a successful upload/delete of an object
// but not written in all disks (having quorum)
type partialOperation struct {
	bucket              string
	object              string
	versionID           string
	versions            []byte

`MINIO_IDENTITY_OPENID_DISPLAY_NAME` value is shown here). The user is then redirected to the OpenID provider's login page and performs necessary login actions (e.g. entering credentials, responding to MFA authentication challenges, etc). After successful login, the user is redirected back to the MinIO console. This redirect URL is specified as a parameter by MinIO when the user is redirected to the OpenID Provider in the beginning. For some setups, extra configuration may be required for this step...

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

// validateAdminReq will validate request against and return whether it is allowed.
// If any of the supplied actions are allowed it will be successful.
// If nil ObjectLayer is returned, the operation is not permitted.
// When nil ObjectLayer has been returned an error has always been sent to w.

		case err == io.EOF:
			wg.Wait()
			return asyncErr

		// return any other error
		case err != nil:
			wg.Wait()
			extra := ""
			if n > 0 {
				extra = fmt.Sprintf(" after %d successful object(s)", n)
			}
			return fmt.Errorf("tar file error: %w%s", err, extra)

		// if the header is nil, just skip it (not sure how this happens)
		case header == nil:
			continue
		}

		gr.Close()
	}

	// Test use case 2: Make 9 disks offline, which leaves less than quorum number of disks
	// in a 16 disk Erasure setup. The original disks are 'replaced' with
	// naughtyDisks that fail after 'f' successful StorageAPI method
	// invocations, where f - [0,2)

	// Create "object" under "bucket".
	_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(buf), int64(len(buf)), "", ""), opts)

	} `xml:"ResponseMetadata,omitempty"`
}

// LDAPIdentityResult - contains credentials for a successful
// AssumeRoleWithLDAPIdentity request.
type LDAPIdentityResult struct {
	Credentials auth.Credentials `xml:",omitempty"`
}

// AssumeRoleWithCertificateResponse contains the result of
// a successful AssumeRoleWithCertificate request.
type AssumeRoleWithCertificateResponse struct {

	if err := target.init(); err != nil {
		return err
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and would've been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}
		return eErr
	}

	object, err := io.ReadAll(response.Body)
	c.Assert(err, nil)
	c.Assert(string(object), "hello world")
}

// TestPutObject -  Tests successful put object request.
func (s *TestSuiteCommon) TestPutObject(c *check) {
	// generate a random bucket name.
	bucketName := getRandomBucketName()
	// HTTP request to create the bucket.