"github.com/vishvananda/netlink"
	"golang.org/x/sys/unix"
	corev1 "k8s.io/api/core/v1"

	"istio.io/istio/pkg/log"
)

func getPidNamespace(pid int) string {
	return "/host/proc/" + strconv.Itoa(pid) + "/ns/net"
}

func runInHost[T any](f func() (T, error)) (T, error) {
	var res T
	ns, err := netns.GetNS(getPidNamespace(1))
	if err != nil {
		return res, fmt.Errorf("failed to get host network: %v", err)
	}

	const padding = 3 // Extra padding for ' ', '=', and '\n'
	size := len(k) + len(v) + padding
	size += len(strconv.Itoa(size))
	record := strconv.Itoa(size) + " " + k + "=" + v + "\n"

	// Final adjustment if adding size field increased the record size.
	if len(record) != size {
		size = len(record)
		record = strconv.Itoa(size) + " " + k + "=" + v + "\n"
	}
	return record, nil
}

}

// Write parts count
func setPartsCountHeaders(w http.ResponseWriter, objInfo ObjectInfo) {
	if strings.Contains(objInfo.ETag, "-") && len(objInfo.Parts) > 0 {
		w.Header()[xhttp.AmzMpPartsCount] = []string{strconv.Itoa(len(objInfo.Parts))}
	}
}

// Write object header
func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSpec, opts ObjectOptions) (err error) {
	// set common headers
	setCommonHeaders(w)

	errFatal(err)
	var n int
	stream.Requests <- []byte(strconv.Itoa(n))
	for resp := range stream.responses {
		errFatal(resp.Err)
		t.Logf("got resp: %+v", string(resp.Msg))
		if string(resp.Msg) != testPayload+strconv.Itoa(n) {
			t.Errorf("want %q, got %q", testPayload+strconv.Itoa(n), string(resp.Msg))
		}
		if n == 10 {
			close(stream.Requests)
			continue
		}
		n++

			}
			if entry.API.Args.VersionID != "" {
				args = args + ", versionId=" + entry.API.Args.VersionID
			}
			if len(entry.API.Args.Objects) > 0 {
				args = args + ", multiObject=true, numberOfObjects=" + strconv.Itoa(len(entry.API.Args.Objects))
			}
			if len(args) > 0 {
				apiString += "(" + args + ")"
			}
		}
	} else {
		apiString = "INTERNAL"
	}
	timeString := "Time: " + entry.Time.Format(logger.TimeFormat)

		PublicIP:       publicIP,
	})
	if err != nil {
		logger.Fatal(err, "unable to initialize FTP server")
	}

	logger.Info(fmt.Sprintf("%s listening on %s", name, net.JoinHostPort(publicIP, strconv.Itoa(port))))

	if err = ftpServer.ListenAndServe(); err != nil {
		logger.Fatal(err, "unable to start FTP server")
	}

			for _, cmd := range closestCommands {
				console.Printf("\t‘%s’\n", cmd)
			}
		}

		os.Exit(1)
	}

	return app
}

func startupBanner(banner io.Writer) {
	CopyrightYear = strconv.Itoa(time.Now().Year())
	fmt.Fprintln(banner, color.Blue("Copyright:")+color.Bold(" 2015-%s MinIO, Inc.", CopyrightYear))
	fmt.Fprintln(banner, color.Blue("License:")+color.Bold(" "+MinioLicense))

		t.Errorf("errors happened when query find: %v, length: %v", err, len(all))
	} else {
		for idx, user := range users {
			t.Run("FindAll#"+strconv.Itoa(idx+1), func(t *testing.T) {
				CheckUser(t, all[idx], user)
			})
		}
	}

	t.Run("FirstMap", func(t *testing.T) {
		first := map[string]interface{}{}

}

// New returns a single-key KMS that derives new DEKs from the
// given key.
func New(keyID string, key []byte) (KMS, error) {
	if len(key) != 32 {
		return nil, errors.New("kms: invalid key length " + strconv.Itoa(len(key)))
	}
	return secretKey{
		keyID: keyID,
		key:   key,
	}, nil
}

// secretKey is a KMS implementation that derives new DEKs
// from a single key.
type secretKey struct {
	keyID string

	buf := &bytes.Buffer{}
	csvWriter := csv.NewWriter(buf)
	csvWriter.Write([]string{"id", "name", "age", "city"})

	for i := 0; i < count; i++ {
		csvWriter.Write([]string{
			strconv.Itoa(i),
			newRandString(10),
			newRandString(5),
			newRandString(10),
		})
	}

	csvWriter.Flush()
	return buf.Bytes()
}

type nullResponseWriter struct{}