t1, err := cache.GetWithCtx(ctx)
	if err != nil {
		t.Fatalf("expected nil err, got %v", err)
	}

	t2, err := cache.GetWithCtx(ctx)
	if err != nil {
		t.Fatalf("expected nil err, got %v", err)
	}

	if !t1.Equal(t2) {
		t.Fatalf("expected time to be equal: %s != %s", t1, t2)
	}

	time.Sleep(3 * time.Second)

	t3, err := cache.GetWithCtx(ctx)
	if err != nil {
		t.Fatalf("expected nil err, got %v", err)
	}

		if offsetBegin > offsetEnd {
			return nil, errInvalidRange
		}
		return &HTTPRangeSpec{false, offsetBegin, offsetEnd}, nil
	case offsetBegin > -1:
		return &HTTPRangeSpec{false, offsetBegin, -1}, nil
	case offsetEnd > -1:
		if offsetEnd == 0 {
			return nil, errInvalidRange
		}
		return &HTTPRangeSpec{true, -offsetEnd, -1}, nil
	default:

		} else if err == bufio.ErrBufferFull {
			err = errLineTooLong
		}
		return nil, nil, err
	}
	if len(buf) >= maxLineLength {
		return nil, nil, errLineTooLong
	}
	// Parse s3 specific chunk extension and fetch the values.
	hexChunkSize, hexChunkSignature := parseS3ChunkExtension(buf)
	return hexChunkSize, hexChunkSignature, nil
}

// trimTrailingWhitespace - trim trailing white space.

		if err := l.loggingServer.Close(); err != nil {
			log.Errorf("CNI log server terminated with error: %v", err)
		} else {
			log.Debug("CNI log server terminated")
		}
	}()

	return nil
}

func (l *UDSLogger) handleLog(w http.ResponseWriter, req *http.Request) {
	if req.Body == nil {
		return
	}
	defer req.Body.Close()
	data, err := io.ReadAll(req.Body)
	if err != nil {

			if !expectedListenErr {
				if listenErrs[i] != nil {
					t.Fatalf("Test %d:, listenErrs[%d] error: expected = <nil>, got = %v", testIdx+1, i, listenErrs[i])
				}
			} else if listenErrs[i] == nil {
				t.Fatalf("Test %d: listenErrs[%d]: expected = %v, got = <nil>", testIdx+1, i, expectedListenErr)
			}
		}
		if listener != nil {
			listener.Close()
		}
	}
}

func ReadSysctl(key string) (string, error) {
	data, err := os.ReadFile(key)
	if err != nil {
		return "", err
	}
	return strings.TrimSpace(string(data)), nil
}

func forEachLoopbackRoute(cfg *Config, operation string, f func(*netlink.Route) error) error {
	loopbackLink, err := netlink.LinkByName("lo")
	if err != nil {
		return fmt.Errorf("failed to find 'lo' link: %v", err)
	}

	t.Helper()
	data, err := os.ReadFile(src)
	if err != nil {
		t.Fatalf("Failed to read file %v, err: %v", src, err)
	}
	if err = os.WriteFile(dest, data, os.FileMode(defaultFileMode)); err != nil {
		t.Fatalf("Failed to write file %v, err: %v", dest, err)
	}
}

func rmDir(dir string, t *testing.T) {
	t.Helper()
	err := os.RemoveAll(dir)
	if err != nil {
		t.Fatalf("Failed to remove dir %v, err: %v", dir, err)
	}
}

		cancelGlobalContext()

		if httpServer := newHTTPServerFn(); httpServer != nil {
			if err := httpServer.Shutdown(); err != nil && !errors.Is(err, http.ErrServerClosed) {
				shutdownLogIf(context.Background(), err)
			}
		}

		if objAPI := newObjectLayerFn(); objAPI != nil {
			shutdownLogIf(context.Background(), objAPI.Shutdown(context.Background()))
		}

		if globalBrowserEnabled {

// Check if the request is authenticated.
// Returns nil if the request is authenticated. errNoAuthToken if token missing.
// Returns errAuthentication for all other errors.
func metricsRequestAuthenticate(req *http.Request) (*xjwt.MapClaims, []string, bool, error) {
	token, err := jwtreq.AuthorizationHeaderExtractor.ExtractToken(req)
	if err != nil {
		if err == jwtreq.ErrNoTokenInRequest {
			return nil, nil, false, errNoAuthToken
		}

	err = en.Append(0xa2, 0x6c, 0x74)
	if err != nil {
		return
	}
	if z.XferRateLrg == nil {
		err = en.WriteNil()
		if err != nil {
			return
		}
	} else {
		err = z.XferRateLrg.EncodeMsg(en)
		if err != nil {
			err = msgp.WrapError(err, "XferRateLrg")
			return
		}
	}
	// write "st"
	err = en.Append(0xa2, 0x73, 0x74)
	if err != nil {
		return
	}