"fmt"
	"math"
	"net"
	"runtime"
	"strconv"
	"sync"
	"testing"
	"time"

	"google.golang.org/grpc"
	//  To install the xds resolvers and balancers.
	_ "google.golang.org/grpc/xds"

	networking "istio.io/api/networking/v1alpha3"
	"istio.io/istio/pilot/test/xds"
	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/config/protocol"
	"istio.io/istio/pkg/config/schema/gvk"
	"istio.io/istio/pkg/test/echo"

	v3 "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pkg/config/host"
	istiolog "istio.io/istio/pkg/log"
)

// Support generation of 'ApiListener' LDS responses, used for native support of gRPC.
// The same response can also be used by other apps using XDS directly.

// GRPC proposal:
// https://github.com/grpc/proposal/blob/master/A27-xds-global-load-balancing.md
//

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package xds

import (
	v3 "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pkg/util/sets"
)

// EventType represents the type of object we are tracking, mapping to envoy TypeUrl.
type EventType = string

	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/test/xds"
	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/config/schema/gvk"
	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/util/assert"
	"istio.io/istio/pkg/test/util/retry"
)

// TestRegistration is an e2e test for registration. Most tests are in autoregister package, but this
// exercises the full XDS flow.
func TestRegistration(t *testing.T) {

// limitations under the License.
package xds_test

import (
	"fmt"
	"testing"

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"

	v3 "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pilot/test/xds"
)

func TestRDS(t *testing.T) {
	tests := []struct {
		name   string
		node   string
		routes []string
	}{
		{
			"sidecar_new",
			sidecarID(app3Ip, "app3"),

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"

	"istio.io/istio/istioctl/pkg/util/configdump"
	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/xds"
	v3 "istio.io/istio/pilot/pkg/xds/v3"
	xdsfake "istio.io/istio/pilot/test/xds"
)

func TestSyncz(t *testing.T) {
	t.Run("return the sent and ack status of adsClient connections", func(t *testing.T) {

// limitations under the License.

package xds

import (
	"encoding/json"
	"strconv"
	"strings"
	"time"

	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"

	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/networking/util"
	v3 "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pkg/env"

	"github.com/google/go-cmp/cmp"
	"google.golang.org/protobuf/testing/protocmp"

	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/util/protoconv"
	v3 "istio.io/istio/pilot/pkg/xds/v3"
	"istio.io/istio/pilot/test/xds"
	"istio.io/istio/pkg/config/constants"
	dnsProto "istio.io/istio/pkg/dns/proto"
)

func TestNDS(t *testing.T) {
	cases := []struct {
		name     string
		meta     model.NodeMetadata

		Name: wasmPlugin.ResourceName,
		ConfigType: &hcm.HttpFilter_ConfigDiscovery{
			ConfigDiscovery: &core.ExtensionConfigSource{
				ConfigSource: defaultConfigSource,
				TypeUrls: []string{
					xds.WasmHTTPFilterType,
					xds.RBACHTTPFilterType,
				},
			},
		},
	}
}

func toEnvoyNetworkFilter(wasmPlugin *model.WasmPluginWrapper) *listener.Filter {
	return &listener.Filter{
		Name: wasmPlugin.ResourceName,

	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/test/xds"
)

func init() {
	testing.Init()
}

func FuzzXds(data []byte) int {
	t := &testing.T{}

	// Use crd.ParseInputs to verify data
	_, _, err := crd.ParseInputs(string(data))
	if err != nil {
		return 0
	}
	s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{
		ConfigString: string(data),
	})
	proxy := s.SetupProxy(&model.Proxy{