}

func (s *DiscoveryServer) receiveDelta(con *Connection, identities []string) {
	defer func() {
		close(con.deltaReqChan)
		close(con.ErrorCh())
		// Close the initialized channel, if its not already closed, to prevent blocking the stream
		select {
		case <-con.InitializedCh():
		default:
			close(con.InitializedCh())
		}
	}()
	firstRequest := true
	for {
		req, err := con.deltaStream.Recv()

	s := &Server{
		fileWatcher:             filewatcher.NewWatcher(),
		server:                  server.New(),
		istiodCertBundleWatcher: keycertbundle.NewWatcher(),
	}

	defer func() {
		close(stop)
		_ = s.fileWatcher.Close()
	}()

	certFile := filepath.Join(dir, "cert-file.yaml")
	keyFile := filepath.Join(dir, "key-file.yaml")
	caFile := filepath.Join(dir, "ca-file.yaml")

	// load key and cert files.

	// a port number is automatically chosen.
	HTTPAddr string

	// The listening address for HTTPS (webhooks). If the port in the address is empty or "0" (as in "127.0.0.1:" or "[::1]:0")
	// a port number is automatically chosen.
	// If the address is empty, the secure port is disabled, and the

		return nil
	})
}

// Wait for the stop, and do cleanups
func (s *Server) waitForShutdown(stop <-chan struct{}) {
	go func() {
		<-stop
		close(s.internalStop)
		_ = s.fileWatcher.Close()

		if s.cacertsWatcher != nil {
			_ = s.cacertsWatcher.Close()
		}
		// Stop gRPC services.  If gRPC services fail to stop in the shutdown duration,
		// force stop them. This does not happen normally.

	}

	// A push should get a response
	s.Discovery.ConfigUpdate(&model.PushRequest{Full: true})
	ads.ExpectResponse()

	// Close the connection
	ads.Cleanup()

	// Service is removed while connection is closed
	s.MemRegistry.RemoveService("adsupdate.example.com")
	s.Discovery.ConfigUpdate(&model.PushRequest{
		Full:           true,

		for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {
				// client may disconnect for any reasons
				// we do not have to log this.
				return
			}
		}
		if closer, ok := enc.(expfmt.Closer); ok {
			closer.Close()
		}
	})
}

func metricsBucketHandler() http.Handler {
	return metricsHTTPHandler(bucketCollector, "handler.MetricsBucket")
}

				Start:          offset,
				End:            -1,
			}
			opts.NoLock = true
			return getObjectNInfo(ctx, bucket, object, rs, r.Header, opts)
		},
		actualSize,
	)
	defer objectRSC.Close()
	s3Select, err := s3select.NewS3Select(r.Body)
	if err != nil {
		if serr, ok := err.(s3select.SelectError); ok {
			encodedErrorResponse := encodeResponse(APIErrorResponse{
				Code:       serr.ErrorCode(),

				w.Header()[xhttp.AmzDeleteMarker] = []string{strconv.FormatBool(gr.ObjInfo.DeleteMarker)}
			}
		}
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	defer gr.Close()
	srcInfo := gr.ObjInfo

	actualPartSize, err := srcInfo.GetActualSize()
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

					if err := dec.Decode(&m); err != nil {
						part.Close()
						apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)
						apiErr.Description = fmt.Sprintf("%s (%v)", apiErr.Description, multipart.ErrMessageTooLarge)
						writeErrorResponse(ctx, w, apiErr, r.URL)
						return
					}
					fanOutEntries = append(fanOutEntries, m)
				}
				part.Close()
				continue
			}

	usersSysType UsersSysType

	rolesMap map[arn.ARN]string

	// Persistence layer for IAM subsystem
	store *IAMStoreSys

	// configLoaded will be closed and remain so after first load.
	configLoaded chan struct{}
}

// IAMUserType represents a user type inside MinIO server
type IAMUserType int

const (
	unknownIAMUserType IAMUserType = iota - 1