xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
/*Use the graph_node id mapping set to quickly find the nodes */
graph_node_map_element_t src_elm = graph_node_map_search(src_id);
graph_node_map_element_t dst_elm = graph_node_map_search(dst_id);
xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id);
xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
/*Use the graph_node id mapping set to quickly find the nodes */
graph_node_map_element_t src_elm = graph_node_map_search(src_id);
graph_node_map_element_t dst_elm = graph_node_map_search(dst_id);
xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id);