double(*get_latency) (AS_t as, const char *src,
const char *dst, route_extended_t e_route);
xbt_dynar_t(*get_onelink_routes) (AS_t as);
double(*get_latency) (AS_t as, const char *src,
const char *dst, route_extended_t e_route);
xbt_dynar_t(*get_onelink_routes) (AS_t as);