+ /* set the size of table routing */
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+
+ if(!routing->link_table)
+ {
+ /* Create Cost, Predecessor and Link tables */
+ routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
+ routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
+ routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
+
+ /* Initialize costs and predecessors */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++) {
+ TO_FLOYD_COST(i, j) = DBL_MAX;
+ TO_FLOYD_PRED(i, j) = -1;
+ TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
+ }
+ }
+
+ /* Add the loopback if needed */
+ if (current_routing->hierarchy == SURF_ROUTING_BASE) {
+ for (i = 0; i < table_size; i++) {
+ route_extended_t e_route = TO_FLOYD_LINK(i, i);
+ if (!e_route) {
+ e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->src_gateway = NULL;
+ e_route->dst_gateway = NULL;
+ e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_push(e_route->generic_route.link_list,
+ &global_routing->loopback);
+ TO_FLOYD_LINK(i, i) = e_route;
+ TO_FLOYD_PRED(i, i) = i;
+ TO_FLOYD_COST(i, i) = 1;
+ }
+ }
+ }
+ /* Calculate path costs */
+ for (c = 0; c < table_size; c++) {
+ for (a = 0; a < table_size; a++) {
+ for (b = 0; b < table_size; b++) {
+ if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
+ if (TO_FLOYD_COST(a, b) == DBL_MAX ||
+ (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
+ TO_FLOYD_COST(a, b))) {
+ TO_FLOYD_COST(a, b) =
+ TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
+ TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
+ }
+ }
+ }
+ }
+ }
+}
+
+static void model_floyd_set_route(routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route)
+{
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+
+ /* set the size of table routing */
+ size_t table_size = xbt_dict_length(rc->to_index);
+ int *src_id, *dst_id;
+ int i,j;
+
+ src_id = xbt_dict_get_or_null(rc->to_index, src);
+ dst_id = xbt_dict_get_or_null(rc->to_index, dst);
+
+ if(!routing->link_table)
+ {
+ /* Create Cost, Predecessor and Link tables */
+ routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
+ routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
+ routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
+
+ /* Initialize costs and predecessors */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++) {
+ TO_FLOYD_COST(i, j) = DBL_MAX;
+ TO_FLOYD_PRED(i, j) = -1;
+ TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
+ }
+ }
+
+ if(TO_FLOYD_LINK(*src_id, *dst_id))
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("See Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("See ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+ char * link_name;
+ unsigned int cpt;
+ xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_foreach(route->generic_route.link_list,cpt,link_name)
+ {
+ void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
+ xbt_dynar_push(link_route_to_test,&link);
+ }
+ xbt_assert2(!xbt_dynar_compare(
+ (void*)TO_FLOYD_LINK(*src_id, *dst_id)->generic_route.link_list,
+ (void*)link_route_to_test,
+ (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
+ "The route between \"%s\" and \"%s\" already exists", src,dst);
+ xbt_free(link_route_to_test);
+ }
+ else
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+
+ TO_FLOYD_LINK(*src_id, *dst_id) =
+ generic_new_extended_route(rc->hierarchy, route, 1);
+ TO_FLOYD_PRED(*src_id, *dst_id) = *src_id;
+ TO_FLOYD_COST(*src_id, *dst_id) =
+ ((TO_FLOYD_LINK(*src_id, *dst_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
+ }