// close a previous opened index_read_ifra socket, if exists
if (($prev = $user->rd_socket_get()) != NULL) {
$s_a_p->socks_unset($user->rd_socket_get());
// close a previous opened index_read_ifra socket, if exists
if (($prev = $user->rd_socket_get()) != NULL) {
$s_a_p->socks_unset($user->rd_socket_get());