// Make sure we have a valid address, and map 0.0.0.0 and :: to 127.0.0.1 and ::1.
if(getsockname(listen_socket[0].tcp.fd, (struct sockaddr *)&sa, &len)) {
// Make sure we have a valid address, and map 0.0.0.0 and :: to 127.0.0.1 and ::1.
if(getsockname(listen_socket[0].tcp.fd, (struct sockaddr *)&sa, &len)) {