global_routing->get_latency = get_latency;
global_routing->get_route_no_cleanup = get_route_no_cleanup;
global_routing->get_onelink_routes = get_onelink_routes;
global_routing->get_latency = get_latency;
global_routing->get_route_no_cleanup = get_route_no_cleanup;
global_routing->get_onelink_routes = get_onelink_routes;