StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
host_elm = sg_routing_edge_by_name_or_null(storage->p_attach);
if(!host_elm)
StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
host_elm = sg_routing_edge_by_name_or_null(storage->p_attach);
if(!host_elm)