Function CreateUDPSocket

pkg/shared/nat.go:62–70

CreateUDPSocket creates a UDP socket for NAT traversal

()

// CreateUDPSocket creates a UDP socket for NAT traversal
func CreateUDPSocket() (*net.UDPConn, int, error) {
	conn, err := net.ListenUDP("udp", &net.UDPAddr{Port: 0})
	if err != nil {
		return nil, 0, fmt.Errorf("failed to create UDP socket: %w", err)
	}

	port := conn.LocalAddr().(*net.UDPAddr).Port
	return conn, port, nil
}