}

func getFilterType(filters []*listener.Filter) string {
	for _, filter := range filters {
		if filter.Name == HTTPListener {
			httpProxy := &hcm.HttpConnectionManager{}
			// Allow Unmarshal to work even if Envoy and istioctl are different
			filter.GetTypedConfig().TypeUrl = "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager"
			err := filter.GetTypedConfig().UnmarshalTo(httpProxy)

	"fmt"
	"sort"
	"strings"

	"sigs.k8s.io/yaml"
)

// WorkloadFilter is used to pass filter information into workload based config writer print functions
type WorkloadFilter struct {
	Address   string
	Node      string
	Verbose   bool
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *WorkloadFilter) Verify(workload *ZtunnelWorkload) bool {

       "name": "0.0.0.0_9080",
       "address": {
        "socket_address": {
         "address": "0.0.0.0",
         "port_value": 9080
        }
       },
       "filter_chains": [
        {
         "filter_chain_match": {
          "transport_protocol": "raw_buffer",
          "application_protocols": [
           "http/1.1",
           "h2c"
          ]
         },
         "filters": [

func (c *ConfigWriter) PrintEndpointsSummary(filter EndpointFilter) error {
	if c.clusters == nil {
		return fmt.Errorf("config writer has not been primed")
	}

	w := new(tabwriter.Writer).Init(c.Stdout, 0, 8, 5, ' ', 0)

	clusterEndpoint := make([]EndpointCluster, 0)
	for _, cluster := range c.clusters.ClusterStatuses {
		for _, host := range cluster.HostStatuses {
			if filter.Verify(host, cluster.Name) {

	case *listener.Filter_TypedConfig:
		if err := c.TypedConfig.UnmarshalTo(out); err != nil {
			return err
		}
	}
	return nil
}

func getHTTPConnectionManager(filter *listener.Filter) *hcm.HttpConnectionManager {
	cm := &hcm.HttpConnectionManager{}
	if err := getFilterConfig(filter, cm); err != nil {
		log.Errorf("failed to get HTTP connection manager config: %s", err)
		return nil
	}
	return cm
}

			return r
		}
		return cmp.Compare(a.Info.Namespace, b.Info.Namespace)
	})
	for _, wl := range workloads {
		if filter.Namespace != "" && filter.Namespace != wl.Info.Namespace {
			continue
		}
		name := fmt.Sprintf("%s.%s", wl.Info.Name, wl.Info.Namespace)
		if filter.Direction != "outbound" {
			for _, c := range wl.Connections.Inbound {

	clusterConfigCmd.PersistentFlags().StringVar(&fqdn, "fqdn", "", "Filter clusters by substring of Service FQDN field")
	clusterConfigCmd.PersistentFlags().StringVar(&direction, "direction", "", "Filter clusters by Direction field")
	clusterConfigCmd.PersistentFlags().StringVar(&subset, "subset", "", "Filter clusters by substring of Subset field")
	clusterConfigCmd.PersistentFlags().IntVar(&port, "port", 0, "Filter clusters by Port field")

	"istio.io/istio/pkg/config/host"
)

// ClusterFilter is used to pass filter information into cluster based config writer print functions
type ClusterFilter struct {
	FQDN      host.Name
	Port      int
	Subset    string
	Direction model.TrafficDirection
}

// Verify returns true if the passed cluster matches the filter fields
func (c *ClusterFilter) Verify(cluster *cluster.Cluster) bool {
	name := cluster.Name

	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	filter := map[types.UID]*corev1.Pod{
		pod.UID: pod,
	}
	return s.scanProcForPodsAndCache(filter)
}

func (s *NetServer) getOrOpenNetns(pod *corev1.Pod, netNs string) (Netns, error) {
	if netNs == "" {
		return s.getNetns(pod)
	}
	return s.openNetns(pod, netNs)

             503
            ]
           },
           "cluster_not_found_response_code": "INTERNAL_SERVER_ERROR",
           "max_grpc_timeout": "0s"
          },
          "metadata": {
           "filter_metadata": {
            "istio": {
             "config": "/apis/networking.istio.io/v1alpha3/namespaces/default/virtual-service/http-0-istio-autogenerated-k8s-gateway"
            }
           }
          },