type SHA256Mismatch struct {
	ExpectedSHA256   string
	CalculatedSHA256 string
}

func (e SHA256Mismatch) Error() string {
	return "Bad sha256: Expected " + e.ExpectedSHA256 + " does not match calculated " + e.CalculatedSHA256
}

// BadDigest - Content-MD5 you specified did not match what we received.
type BadDigest struct {
	ExpectedMD5   string
	CalculatedMD5 string
}

type InvalidETag struct{}

func (e InvalidETag) Error() string {
	return "etag of the object has changed"
}

// BackendDown is returned for network errors
type BackendDown struct {
	Err string
}

func (e BackendDown) Error() string {
	return e.Err
}

// NotImplemented If a feature is not implemented
type NotImplemented struct {
	Message string
}

    conn := manager.Connection(host).Subroute("asubroute")
	
    payload := []byte("request")
    stream, err := conn.NewStream(ctx, grid.HandlerDiskInfo, payload)
	if err != nil {
        return err
    }
    // Read results from the stream
    err = stream.Results(func(result []byte) error {
        fmt.Println("Got result", string(result))

        // Return the response for reuse

type TargetStats struct {
	TargetStats map[string]TargetStat
}

// TargetStat is the stats of a single target.
type TargetStat struct {
	ID             TargetID
	ActiveRequests int64
	TotalRequests  int64
	FailedRequests int64
}

// TargetList - holds list of targets indexed by target ID.
type TargetList struct {
	sync.RWMutex
	targets map[TargetID]Target
}

package crypto

import (
	"bytes"
	"encoding/base64"
	"encoding/hex"
	"testing"

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

var isMultipartTests = []struct {
	Metadata  map[string]string
	Multipart bool
}{
	{Multipart: true, Metadata: map[string]string{MetaMultipart: ""}},                          // 0

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

package event

import (
	"encoding/xml"
	"reflect"
	"testing"
)

func TestARNString(t *testing.T) {
	testCases := []struct {
		arn            ARN
		expectedResult string
	}{
		{ARN{}, ""},
		{ARN{TargetID{"1", "webhook"}, ""}, "arn:minio:sqs::1:webhook"},
		{ARN{TargetID{"1", "webhook"}, "us-east-1"}, "arn:minio:sqs:us-east-1:1:webhook"},

// RLockedFile represents a read locked file, implements a special
// closer which only closes the associated *os.File when the ref count.
// has reached zero, i.e when all the readers have given up their locks.
type RLockedFile struct {
	*LockedFile
	mutex sync.Mutex
	refs  int // Holds read lock refs.
}

// IsClosed - Check if the rlocked file is already closed.
func (r *RLockedFile) IsClosed() bool {
	r.mutex.Lock()

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

package event

import (
	"reflect"
	"testing"
)

func TestNewPattern(t *testing.T) {
	testCases := []struct {
		prefix         string
		suffix         string
		expectedResult string
	}{
		{"", "", ""},
		{"*", "", "*"},
		{"", "*", "*"},
		{"images/", "", "images/*"},
		{"images/*", "", "images/*"},

}

// EncryptionAction - for ApplyServerSideEncryptionByDefault XML tag
type EncryptionAction struct {
	Algorithm   Algorithm `xml:"SSEAlgorithm,omitempty"`
	MasterKeyID string    `xml:"KMSMasterKeyID,omitempty"`
}

// Rule - for ServerSideEncryptionConfiguration XML tag
type Rule struct {
	DefaultEncryptionAction EncryptionAction `xml:"ApplyServerSideEncryptionByDefault"`
}

type tierDiskJournal struct {
	sync.RWMutex
	diskPath string
	file     *os.File // active journal file
}

// TierJournal holds an in-memory and an on-disk delete journal of tiered content.
type TierJournal struct {
	*tierDiskJournal // for processing legacy journal entries
	*tierMemJournal  // for processing new journal entries
}

type jentry struct {
	ObjName   string `msg:"obj"`