e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
common_father->get_route(common_father, src, dst, e_route);
e_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
common_father->get_route(common_father, src, dst, e_route);