Chore: logging real listen port (#1492)

listener/mixed/mixed.go

@@ -15,7 +15,6 @@ import (
 
 type Listener struct {
 	listener net.Listener
-	address  string
 	closed   bool
 	cache    *cache.Cache
 }
@@ -26,7 +25,10 @@ func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
 		return nil, err
 	}
 
-	ml := &Listener{l, addr, false, cache.New(30 * time.Second)}
+	ml := &Listener{
+		listener: l,
+		cache:    cache.New(30 * time.Second),
+	}
 	go func() {
 		for {
 			c, err := ml.listener.Accept()
@@ -49,7 +51,7 @@ func (l *Listener) Close() {
 }
 
 func (l *Listener) Address() string {
-	return l.address
+	return l.listener.Addr().String()
 }
 
 func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {