[management, client] Add IPv6 overlay support (#5631)

client/internal/routemanager/client/client.go

@@ -3,9 +3,8 @@ package client
 import (
 	"context"
 	"fmt"
-	"net"
+	"net/netip"
 	"reflect"
-	"strconv"
 	"time"
 
 	log "github.com/sirupsen/logrus"
@@ -566,7 +565,7 @@ func HandlerFromRoute(params common.HandlerParams) RouteHandler {
 		return dnsinterceptor.New(params)
 	case handlerTypeDynamic:
 		dns := nbdns.NewServiceViaMemory(params.WgInterface)
-		dnsAddr := net.JoinHostPort(dns.RuntimeIP().String(), strconv.Itoa(dns.RuntimePort()))
+		dnsAddr := netip.AddrPortFrom(dns.RuntimeIP(), uint16(dns.RuntimePort()))
 		return dynamic.NewRoute(params, dnsAddr)
 	default:
 		return static.NewRoute(params)

client/internal/routemanager/client/client_bench_test.go

@@ -46,7 +46,7 @@ func generateBenchmarkData(tier benchmarkTier) (*peer.Status, map[route.ID]*rout
 		fqdn := fmt.Sprintf("peer-%d.example.com", i)
 		ip := fmt.Sprintf("10.0.%d.%d", i/256, i%256)
 
-		err := statusRecorder.AddPeer(peerKey, fqdn, ip)
+		err := statusRecorder.AddPeer(peerKey, fqdn, ip, "")
 		if err != nil {
 			panic(fmt.Sprintf("failed to add peer: %v", err))
 		}