if len(filename) == 0 {
			filename = "YYY-istio-cni.conf"
		}
		return filepath.Join(cfg.mountedCNINetDir, filename), nil
	}

	watcher, err := util.CreateFileWatcher(cfg.mountedCNINetDir)
	if err != nil {
		return "", err
	}
	defer watcher.Close()

	for len(filename) == 0 {
		filename, err = getDefaultCNINetwork(cfg.mountedCNINetDir)
		if err == nil {
			break
		}

	n := match.GetMatcherTree().GetInput().GetName()

	var m map[string]*matcher.Matcher_OnMatch
	equality := "="
	switch v := match.GetMatcherTree().GetTreeType().(type) {
	case *matcher.Matcher_MatcherTree_ExactMatchMap:
		m = v.ExactMatchMap.Map
	case *matcher.Matcher_MatcherTree_PrefixMatchMap:
		m = v.PrefixMatchMap.Map
		equality = "^"
	case *matcher.Matcher_MatcherTree_CustomMatch:
		tc := v.CustomMatch.GetTypedConfig()

                  }
                }
              ],
              "traffic_direction": "INBOUND",
              "internal_listener": {},
              "filter_chain_matcher": {
                "matcher_tree": {
                  "input": {
                    "name": "ip",
                    "typed_config": {

                  }
                }
              ],
              "traffic_direction": "INBOUND",
              "internal_listener": {},
              "filter_chain_matcher": {
                "matcher_tree": {
                  "input": {
                    "name": "ip",
                    "typed_config": {

               "name": "default",
               "domains": [
                "*"
               ],
               "routes": [
                {
                 "match": {
                  "connect_matcher": {}
                 },
                 "route": {
                  "cluster": "main_internal",
                  "upgrade_configs": [
                   {
                    "upgrade_type": "CONNECT",

                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "ops"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byValue",
              "options": {
                "op": "gte",
                "reducer": "allIsNull",
                "value": 0
              }
            },

- sends UDS events to ztunnel via a socket whenever a pod is enabled for ambient mesh (whether from CNI plugin or node watcher), instructing ztunnel to create the "tube" socket.

The ambient CNI agent is the only place where ambient network config and pod redirection machinery happens.

Chun Li <******@****.***> 1707418344 +0800

	for _, path := range paths {
		if !file.Exists(path) {
			log.Infof("file watcher skipping watch on non-existent path: %v", path)
			continue
		}
		if err := watcher.Add(path); err != nil {
			if closeErr := watcher.Close(); closeErr != nil {
				err = fmt.Errorf("%s: %w", closeErr.Error(), err)
			}
			return nil, err
		}
	}

	return &Watcher{
		watcher: watcher,
		Events:  fileModified,

Ben Leggett <******@****.***> 1706861920 -0500