PortValue: 6379,
						},
					},
				},
			},
			FilterChains: []*listener.FilterChain{
				{
					Filters: []*listener.Filter{
						{Name: "filter1"},
						{Name: "filter2"},
					},
				},
			},
		},
		{
			Name: "redis-proxy",
			FilterChains: []*listener.FilterChain{
				{
					FilterChainMatch: &listener.FilterChainMatch{

istio.io/rev: 1-8-6 install.operator.istio.io/owning-resource: unknown operator.istio.io/component: "Pilot" spec: configPatches: - applyTo: HTTP_FILTER match: context: ANY # inbound, outbound, and gateway proxy: proxyVersion: '^1\.6.*' listener: filterChain: filter: name: "envoy.http_connection_manager" patch: operation: INSERT_BEFORE value: name: istio.metadata_exchange typed_config: "@type": type.googleapis.com/udpa.type.v1.TypedStruct type_url: type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm...

EnvoyFilter metadata: name: metadata-exchange-1.6-1-7-6 namespace: istio-system labels: istio.io/rev: 1-7-6 spec: configPatches: - applyTo: HTTP_FILTER match: context: ANY # inbound, outbound, and gateway proxy: proxyVersion: '^1\.6.*' listener: filterChain: filter: name: "envoy.http_connection_manager" patch: operation: INSERT_BEFORE value: name: istio.metadata_exchange typed_config: "@type": type.googleapis.com/udpa.type.v1.TypedStruct type_url: type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm...

istio-system labels: istio.io/rev: 1-9-5 install.operator.istio.io/owning-resource: unknown operator.istio.io/component: "Pilot" spec: configPatches: - applyTo: HTTP_FILTER match: context: SIDECAR_INBOUND proxy: proxyVersion: '^1\.8.*' listener: filterChain: filter: name: "envoy.filters.network.http_connection_manager" patch: operation: INSERT_BEFORE value: name: istio.metadata_exchange typed_config: "@type": type.googleapis.com/udpa.type.v1.TypedStruct type_url: type.googleapis.com/envoy.extensio...

istio-system labels: istio.io/rev: 1-10-0 install.operator.istio.io/owning-resource: unknown operator.istio.io/component: "Pilot" spec: configPatches: - applyTo: HTTP_FILTER match: context: SIDECAR_INBOUND proxy: proxyVersion: '^1\.10.*' listener: filterChain: filter: name: "envoy.filters.network.http_connection_manager" patch: operation: INSERT_BEFORE value: name: istio.metadata_exchange typed_config: "@type": type.googleapis.com/udpa.type.v1.TypedStruct type_url: type.googleapis.com/envoy.extensio...

import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.UUID;
import java.util.function.Supplier;

import javax.annotation.PostConstruct;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.ArrayUtils;

EnvoyFilter metadata: name: metadata-exchange-1.6-1-6-11 namespace: istio-system labels: istio.io/rev: 1-6-11 spec: configPatches: - applyTo: HTTP_FILTER match: context: ANY # inbound, outbound, and gateway proxy: proxyVersion: '^1\.6.*' listener: filterChain: filter: name: "envoy.http_connection_manager" patch: operation: INSERT_BEFORE value: name: istio.metadata_exchange typed_config: "@type": type.googleapis.com/udpa.type.v1.TypedStruct type_url: type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm...

	}
	if len(l.FilterChains) != 1 {
		t.Fatalf("expected %d filter chains, found %d", 1, len(l.FilterChains))
	}

	verifyHTTPFilterChainMatch(t, l.FilterChains[0])
	verifyPassThroughTCPFilterChain(t, l.DefaultFilterChain)
	verifyListenerFilters(t, l.ListenerFilters)
}

func verifyPassThroughTCPFilterChain(t *testing.T, fc *listener.FilterChain) {
	t.Helper()
	f := fc.Filters[0]

			chain.FilterChainMatch = opt.toFilterChainMatch()
			l.FilterChains = append(l.FilterChains, chain)
		}
	}
	// If there is only one filter chain, no need to use DefaultFilterChain
	// This is probably not necessary, but for consistency with older code we keep the same logic.
	if l.DefaultFilterChain != nil && len(l.FilterChains) == 0 {
		l.FilterChains = []*listener.FilterChain{l.DefaultFilterChain}
		l.DefaultFilterChain = nil

		err = l.ActiveState.Listener.UnmarshalTo(listenerTyped)
		if err != nil {
			return nil, err
		}
		if listenerTyped.Name == model.VirtualInboundListenerName {
			for _, filterChain := range listenerTyped.FilterChains {
				for _, filter := range filterChain.Filters {
					hcm := &hcm.HttpConnectionManager{}
					if err := filter.GetTypedConfig().UnmarshalTo(hcm); err == nil {
						return hcm, nil
					}
				}
			}
		}