RoutingEdge *routing_add_host(As* as, sg_platf_host_cbarg_t host);
void routing_cluster_add_backbone(void* bb);
As* routing_get_current();
RoutingEdge *routing_add_host(As* as, sg_platf_host_cbarg_t host);
void routing_cluster_add_backbone(void* bb);
As* routing_get_current();