// with dead end because tcp-keepalive is not fired when there is data in the socket buffer.
			//    https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/
			// This is a sensitive configuration, it is better to set it to high values, > 60 secs since it can
			// affect clients reading data with a very slow pace  (disappropriate with socket buffer sizes)

package pluginlistener

import (
	"fmt"
	"net"
	"os"
	"path/filepath"

	"istio.io/istio/pkg/log"
)

func NewListener(path string) (net.Listener, error) {
	// Remove unix socket before use.
	if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.
		return nil, fmt.Errorf("failed to remove unix://%s: %v", path, err)
	}

	}
}

// Close closes the underlying socket file descriptor.
func (restClient *ReconnectRESTClient) IsOnline() bool {
	// If rest client has not connected yet there is nothing to close.
	return restClient.rest != nil
}

func (restClient *ReconnectRESTClient) IsLocal() bool {
	return false
}

// Close closes the underlying socket file descriptor.
func (restClient *ReconnectRESTClient) Close() error {

	//
	// We want to do the same thing in ambient but can't rely on podSpec injection. So, do effectively the same thing,
	// but with iptables rules - use `--socket-exists` as a proxy for "is this a forwarded packet" vs "is this originating from
	// a local node socket". If the latter, outside the pod in the host netns, redirect that traffic to a hardcoded/custom proxy

package configdump

import (
	"encoding/base64"
	"fmt"

	admin "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
	extapi "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3"
	anypb "google.golang.org/protobuf/types/known/anypb"
)

// GetSecretConfigDump retrieves a secret dump from a config dump wrapper
func (w *Wrapper) GetSecretConfigDump() (*admin.SecretsConfigDump, error) {

	}

	resolvedAddr, err := net.ResolveUnixAddr("unixpacket", addr)
	if err != nil {
		return nil, fmt.Errorf("failed to resolve unix addr: %w", err)
	}
	// remove potentially existing address
	// Remove unix socket before use, if one is leftover from previous CNI restart
	if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.

			h.Typeflag = TypeChar
		} else {
			h.Typeflag = TypeBlock
		}
	case fm&fs.ModeNamedPipe != 0:
		h.Typeflag = TypeFifo
	case fm&fs.ModeSocket != 0:
		return nil, fmt.Errorf("archive/tar: sockets not supported")
	default:
		return nil, fmt.Errorf("archive/tar: unknown file mode %v", fm)
	}
	if fm&fs.ModeSetuid != 0 {
		h.Mode |= c_ISUID
	}
	if fm&fs.ModeSetgid != 0 {
		h.Mode |= c_ISGID
	}

		Hidden: true,
		Value:  10 * time.Minute,
		EnvVar: "MINIO_CONN_WRITE_DEADLINE",
	},
	cli.DurationFlag{
		Name:   "conn-user-timeout",
		Usage:  "custom TCP_USER_TIMEOUT for socket buffers",
		Hidden: true,
		Value:  10 * time.Minute,
		EnvVar: "MINIO_CONN_USER_TIMEOUT",
	},
	cli.StringFlag{
		Name:   "interface",
		Usage:  "bind to right VRF device for MinIO services",

}

func connectWithPods(ctx context.Context, pods PodNetnsCache) struct {
	ztunClient *net.UnixConn
	ztunServer *ztunnelServer
} {
	// go uses @ instead of \0 for abstract unix sockets
	addr := fmt.Sprintf("@testaddr%d", ztunnelTestCounter.Add(1))
	ztun, err := newZtunnelServer(addr, pods)
	if err != nil {
		panic(err)
	}
	go ztun.Run(ctx)

	}
	conn.Close()
}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

	conn, err := grpc.Dial(socket, opts...)
	if err != nil {
		return nil, err
	}