John Howard <******@****.***> 1702437816 -0800

package proto

import (
	"bytes"

	"google.golang.org/protobuf/proto"

	"istio.io/istio/pkg/util/protomarshal"
)

// MessageSlice allows us to marshal slices of protobuf messages like clusters/listeners/routes/endpoints correctly
type MessageSlice []proto.Message

// MarshalJSON handles marshaling of slices of proto messages
func (pSlice MessageSlice) MarshalJSON() ([]byte, error) {
	buffer := bytes.NewBufferString("[")

	endpoints configTypeURL = "type.googleapis.com/envoy.admin.v3.EndpointsConfigDump"
	clusters  configTypeURL = "type.googleapis.com/envoy.admin.v3.ClustersConfigDump"
	routes    configTypeURL = "type.googleapis.com/envoy.admin.v3.RoutesConfigDump"
	secrets   configTypeURL = "type.googleapis.com/envoy.admin.v3.SecretsConfigDump"
	ecds      configTypeURL = "type.googleapis.com/envoy.admin.v3.EcdsConfigDump"

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

	// Set up netlink routes for localhost
	cidrs := []string{"0.0.0.0/0"}
	if cfg.EnableInboundIPv6 {
		cidrs = append(cidrs, "0::0/0")
	}
	for _, fullCIDR := range cidrs {
		_, localhostDst, err := net.ParseCIDR(fullCIDR)
		if err != nil {

                          {
                            "name": "backend",
                            "domains": [
                              "*"
                            ],
                            "routes": [
                              {
                                "match": {
                                  "prefix": "/healthz/ready"
                                },
                                "route": {

                            {
                              "name": "default",
                              "domains": [
                                "*"
                              ],
                              "routes": [
                                {
                                  "match": {
                                    "connect_matcher": {}
                                  },
                                  "route": {

    shortNames:
    - vs
    singular: virtualservice
  scope: Namespaced
  versions:
  - additionalPrinterColumns:
    - description: The names of gateways and sidecars that should apply these routes
      jsonPath: .spec.gateways
      name: Gateways
      type: string
    - description: The destination hosts to which traffic is being sent
      jsonPath: .spec.hosts
      name: Hosts

John Howard <******@****.***> 1676484357 -0800

zirain <******@****.***> 1713320861 +0800

		}
	}
	if lastUpdated.After(time.Unix(0, 0)) { // if a timestamp was obtained from a drc
		return &lastUpdated, nil
	}
	return nil, nil
}

// GetDynamicRouteDump retrieves a route dump with just dynamic active routes in it
func (w *Wrapper) GetDynamicRouteDump(stripVersions bool) (*admin.RoutesConfigDump, error) {
	routeDump, err := w.GetRouteConfigDump()
	if err != nil {
		return nil, err
	}
	drc := routeDump.GetDynamicRouteConfigs()