- current_routing = current_routing->p_routingFather;
-}
-
-/* Aux Business methods */
-
-/**
- * \brief Get the AS father and the first elements of the chain
- *
- * \param src the source host name
- * \param dst the destination host name
- *
- * Get the common father of the to processing units, and the first different
- * father in the chain
- */
-static void elements_father(sg_netcard_t src, sg_netcard_t dst,
- AS_t * res_father,
- AS_t * res_src,
- AS_t * res_dst)
-{
- xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
-#define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
- simgrid::surf::As *src_as, *dst_as;
- simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
- simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
- int index_src = 0;
- int index_dst = 0;
- simgrid::surf::As *current;
- simgrid::surf::As *current_src;
- simgrid::surf::As *current_dst;
- simgrid::surf::As *father;
-
- /* (1) find the as where the src and dst are located */
- sg_netcard_t src_data = src;
- sg_netcard_t dst_data = dst;
- src_as = src_data->getRcComponent();
- dst_as = dst_data->getRcComponent();
-#ifndef NDEBUG
- char* src_name = src_data->getName();
- char* dst_name = dst_data->getName();
-#endif
-
- xbt_assert(src_as && dst_as,
- "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
-
- /* (2) find the path to the root routing component */
- for (current = src_as; current != NULL; current = current->p_routingFather) {
- if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
- xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
- path_src[index_src++] = current;
- }
- for (current = dst_as; current != NULL; current = current->p_routingFather) {
- if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
- xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
- path_dst[index_dst++] = current;
- }
-
- /* (3) find the common father */
- do {
- current_src = path_src[--index_src];
- current_dst = path_dst[--index_dst];
- } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
-
- /* (4) they are not in the same routing component, make the path */
- if (current_src == current_dst)
- father = current_src;
- else
- father = path_src[index_src + 1];
-
- /* (5) result generation */
- *res_father = father; /* first the common father of src and dst */
- *res_src = current_src; /* second the first different father of src */
- *res_dst = current_dst; /* three the first different father of dst */
-
-#undef ELEMENTS_FATHER_MAXDEPTH
-}
-
-/* Global Business methods */
-
-/**
- * \brief Recursive function for get_route_latency
- *
- * \param src the source host name
- * \param dst the destination host name
- * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
- * \param *latency the latency, if needed
- *
- * This function is called by "get_route" and "get_latency". It allows to walk
- * recursively through the ASes tree.
- */
-static void _get_route_and_latency(
- simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
- xbt_dynar_t * links, double *latency)
-{
- s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
- memset(&route,0,sizeof(route));
-
- xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
- XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
-
- /* Find how src and dst are interconnected */
- simgrid::surf::As *common_father, *src_father, *dst_father;
- elements_father(src, dst, &common_father, &src_father, &dst_father);
- XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
- common_father->p_name, src_father->p_name, dst_father->p_name);
-
- /* Check whether a direct bypass is defined */
- sg_platf_route_cbarg_t e_route_bypass = NULL;
- //FIXME:REMOVE:if (common_father->get_bypass_route)
-
- e_route_bypass = common_father->getBypassRoute(src, dst, latency);
-
- /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
- if (e_route_bypass) {
- xbt_dynar_merge(links, &e_route_bypass->link_list);
- routing_route_free(e_route_bypass);
- return;
- }
-
- /* If src and dst are in the same AS, life is good */
- if (src_father == dst_father) { /* SURF_ROUTING_BASE */
- route.link_list = *links;
- common_father->getRouteAndLatency(src, dst, &route, latency);
- // if vivaldi latency+=vivaldi(src,dst)
- return;
- }
-
- /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
-
- route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
- // Find the net_card corresponding to father
- simgrid::surf::NetCard *src_father_netcard = src_father->p_netcard;
- simgrid::surf::NetCard *dst_father_netcard = dst_father->p_netcard;
-
- common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
- &route, latency);
-
- xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
- "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
-
- sg_netcard_t src_gateway_net_elm = route.gw_src;
- sg_netcard_t dst_gateway_net_elm = route.gw_dst;
-
- /* If source gateway is not our source, we have to recursively find our way up to this point */
- if (src != src_gateway_net_elm)
- _get_route_and_latency(src, src_gateway_net_elm, links, latency);
- xbt_dynar_merge(links, &route.link_list);
-
- /* If dest gateway is not our destination, we have to recursively find our way from this point */
- if (dst_gateway_net_elm != dst)
- _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
-
-}
-
-AS_t surf_platf_get_root(routing_platf_t platf){
- return platf->p_root;
-}
-
-e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
- return netcard->getRcType();