}
		}
	}
	// Update the data cache.
	hosts.expire = now.Add(cacheMaxAge)
	hosts.path = hp
	hosts.byName = hs
	hosts.byAddr = is
	hosts.mtime = mtime
	hosts.size = size
}

// lookupStaticHost looks up the addresses and the canonical name for the given host from /etc/hosts.
func lookupStaticHost(host string) ([]string, string) {
	hosts.Lock()
	defer hosts.Unlock()
	readHosts()
	if len(hosts.byName) != 0 {

	// Add the uniqueHost.
	vhosts = appendDomainPort(vhosts, uniqueHostname, port)
	if len(uniqueHostnameParts) == 2 {
		// This is the case of uniqHostname having namespace already.
		dnsHostName := uniqueHostname + "." + sharedDNSDomainParts[0]
		vhosts = appendDomainPort(vhosts, dnsHostName, port)
	}
	return vhosts
}

// portNoAppendPortSuffix is a signal to not append port to vhost

			// that is likely to be already present in the altHosts
			if _, exists := altHosts[expandedHost]; !exists {
				table.cname[expandedHost] = cname(expandedHost, h)
				table.allHosts.Insert(expandedHost)
			}
		}
	}
}

// Borrowed from https://github.com/coredns/coredns/blob/master/plugin/hosts/hosts.go
// a takes a slice of ip string and returns a slice of A RRs.

	for i, h := range server.Hosts {
		if strings.Contains(h, "/") {
			parts := strings.Split(h, "/")
			if parts[0] == "." {
				server.Hosts[i] = fmt.Sprintf("%s/%s", namespace, parts[1])
			} else if parts[0] == "*" {
				if parts[1] == "*" {
					server.Hosts = []string{"*"}
					return
				}
				server.Hosts[i] = parts[1]
			}
		}
	}

		})
	}
	ps.ServiceIndex.public = svcList

	hosts := make([]string, 0)
	if matchAll {
		// default/*
		hosts = append(hosts, "default/*")
	} else {
		// default/xx or default/*.xx
		for i := 0; i < hostNum; i++ {
			h := "default/" + wildcard + "host-" + strconv.Itoa(i) + ".com"
			hosts = append(hosts, h)
		}
	}

	istioListener := &networking.IstioEgressListener{

		}

		// exact hosts are saved separately for map lookup
		if !hName.IsWildCarded() {
			hostsByNamespace[ns].exactHosts.Insert(hName)
		}

		// allHosts contains the exact hosts and wildcard hosts,
		// since SelectVirtualServices will use `Matches` semantic matching.
		hc := hostsByNamespace[ns]
		hc.allHosts = append(hc.allHosts, hName)

		}

		vhosts := route.BuildSidecarVirtualHostWrapper(nil, node(cg), cg.PushContext(), serviceRegistry,
			[]config.Config{virtualServiceWithGoogleWildcardHost}, 80, wildcardIndex,
		)
		// The service hosts (*.example.org and goodbye.hello.example.org) and the unattached VS host (*.google.com)
		g.Expect(vhosts).To(HaveLen(3))
		for _, vhost := range vhosts {

	wchosts := make([]host.Name, 0)

	// As a performance optimization, process non wildcard hosts first, so that they can be
	// looked up directly in the service registry map.
	for _, hostname := range rule.Hosts {
		vshost := host.Name(hostname)
		if vshost.IsWildCarded() {
			// We'll process wild card hosts later
			wchosts = append(wchosts, vshost)
			continue
		}

			virtualServiceHosts := host.NewNames(virtualService.Spec.(*networking.VirtualService).Hosts)
			serverHosts := host.NamesForNamespace(server.Hosts, virtualService.Namespace)

			// We have two cases here:
			// 1. virtualService hosts are 1.foo.com, 2.foo.com, 3.foo.com and server hosts are ns/*.foo.com
			// 2. virtualService hosts are *.foo.com, and server hosts are ns/1.foo.com, ns/2.foo.com, ns/3.foo.com

					parent.OriginalReference.Name, ptr.OrDefault(parent.OriginalReference.Namespace, k8s.Namespace(obj.Namespace)), ctx.Domain)
				vsHosts = []string{host}
			}
			routes = augmentTLSPortMatch(routes, parent.OriginalReference.Port, vsHosts)
		}

		for i, host := range vsHosts {
			name := fmt.Sprintf("%s-tls-%d-%s", obj.Name, i, constants.KubernetesGatewayName)
			filteredRoutes := routes
			if parent.IsMesh() {