/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "surf_routing_private.h"
+#include "xbt/graph.h"
/* Global vars */
-extern routing_global_t global_routing;
-extern routing_component_t current_routing;
-extern model_type_t current_routing_model;
-extern xbt_dynar_t link_list;
-extern xbt_dict_t cluster_host_link;
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_cluster, surf, "Routing part of surf");
-/* Routing model structure */
+/* This routing is specifically setup to represent clusters, aka homogeneous sets of machines
+ * Note that a router is created, easing the interconnexion with the rest of the world.
+ */
-typedef struct {
- s_routing_component_t generic_routing;
- xbt_dict_t dict_processing_units;
- xbt_dict_t dict_autonomous_systems;
-} s_routing_component_cluster_t, *routing_component_cluster_t;
-
-/* Parse routing model functions */
+/* Business methods */
+static void cluster_get_route_and_latency(AS_t as,
+ sg_routing_edge_t src,
+ sg_routing_edge_t dst,
+ sg_platf_route_cbarg_t route,
+ double *lat)
+{
-static route_extended_t cluster_get_route(routing_component_t rc,
- const char *src,
- const char *dst);
+ s_surf_parsing_link_up_down_t info;
+ XBT_DEBUG("cluster_get_route_and_latency from '%s'[%d] to '%s'[%d]",
+ src->name, src->id, dst->name, dst->id);
+
+ if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
+ info =
+ xbt_dynar_get_as(as->link_up_down_list, src->id,
+ s_surf_parsing_link_up_down_t);
+ if (info.link_up) { // link up
+ xbt_dynar_push_as(route->link_list, void *, info.link_up);
+ if (lat)
+ *lat +=
+ surf_network_model->extension.network.get_link_latency(info.
+ link_up);
+ }
+ }
+
+ if (((as_cluster_t) as)->backbone) {
+ xbt_dynar_push_as(route->link_list, void *, ((as_cluster_t) as)->backbone);
+ if (lat)
+ *lat +=
+ surf_network_model->extension.network.
+ get_link_latency(((as_cluster_t) as)->backbone);
+ }
+
+ if (dst->rc_type != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
+ info =
+ xbt_dynar_get_as(as->link_up_down_list, dst->id,
+ s_surf_parsing_link_up_down_t);
+ if (info.link_down) { // link down
+ xbt_dynar_push_as(route->link_list, void *, info.link_down);
+ if (lat)
+ *lat +=
+ surf_network_model->extension.network.get_link_latency(info.
+ link_down);
+ }
+ }
+}
-/* Business methods */
-static route_extended_t cluster_get_route(routing_component_t rc,
- const char *src,
- const char *dst)
+static void cluster_get_graph(xbt_graph_t graph, xbt_dict_t nodes,
+ xbt_dict_t edges, AS_t rc)
{
- xbt_assert(rc && src
- && dst,
- "Invalid params for \"get_route\" function at AS \"%s\"",
- rc->name);
+ int isrc;
+ int table_size = xbt_dynar_length(rc->index_network_elm);
+
+ sg_routing_edge_t src, dst;
+ xbt_node_t current, previous, backboneNode,routerNode;
+ s_surf_parsing_link_up_down_t info;
+
+ xbt_assert(((as_cluster_t) rc)->router,"Malformed cluster");
+
+ /* create the router */
+ char *link_name =
+ ((sg_routing_edge_t) ((as_cluster_t) rc)->router)->name;
+ routerNode = new_xbt_graph_node(graph, link_name, nodes);
+
+ if(((as_cluster_t) rc)->backbone) {
+ char *link_nameR =
+ ((surf_resource_t) ((as_cluster_t) rc)->backbone)->name;
+ backboneNode = new_xbt_graph_node(graph, link_nameR, nodes);
+
+ new_xbt_graph_edge(graph, routerNode, backboneNode, edges);
+ }
+ for (isrc = 0; isrc < table_size; isrc++) {
+ src = xbt_dynar_get_as(rc->index_network_elm, isrc, sg_routing_edge_t);
- xbt_dynar_t links_list = xbt_dynar_new(global_routing->size_of_link, NULL);
+ if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {
+ previous = new_xbt_graph_node(graph, src->name, nodes);
- surf_parsing_link_up_down_t info;
+ info = xbt_dynar_get_as(rc->link_up_down_list, src->id,
+ s_surf_parsing_link_up_down_t);
- info = xbt_dict_get_or_null(cluster_host_link,src);
- if(info) xbt_dynar_push_as(links_list,void*,info->link_up); //link_up
+ if (info.link_up) { // link up
- info = xbt_dict_get_or_null(cluster_host_link,rc->name);
- if(info) xbt_dynar_push_as(links_list,void*,info->link_up); //link_bb
+ char *link_name = ((surf_resource_t) info.link_up)->name;
+ current = new_xbt_graph_node(graph, link_name, nodes);
+ new_xbt_graph_edge(graph, previous, current, edges);
- info = xbt_dict_get_or_null(cluster_host_link,dst);
- if(info) xbt_dynar_push_as(links_list,void*,info->link_down); //link_down
+ if (((as_cluster_t) rc)->backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
- route_extended_t new_e_route = NULL;
- new_e_route = xbt_new0(s_route_extended_t, 1);
- new_e_route->generic_route.link_list = links_list;
+ }
- return new_e_route;
+ if (info.link_down) { // link down
+ char *link_name = ((surf_resource_t) info.link_down)->name;
+ current = new_xbt_graph_node(graph, link_name, nodes);
+ new_xbt_graph_edge(graph, previous, current, edges);
+
+ if (((as_cluster_t) rc)->backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
+
+ }
+ }
+ }
}
-/* Creation routing model functions */
-void *model_cluster_create(void)
+static void model_cluster_finalize(AS_t as)
{
- routing_component_cluster_t new_component = model_rulebased_create();
- new_component->generic_routing.get_route = cluster_get_route;
+ model_none_finalize(as);
+}
+
+static int cluster_parse_PU(AS_t rc, sg_routing_edge_t elm) {
+ XBT_DEBUG("Load process unit \"%s\"", elm->name);
+ xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
+ return xbt_dynar_length(rc->index_network_elm)-1;
+}
+
+static int cluster_parse_AS(AS_t rc, sg_routing_edge_t elm) {
+ XBT_DEBUG("Load Autonomous system \"%s\"", elm->name);
+ xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
+ return xbt_dynar_length(rc->index_network_elm)-1;
+}
- return new_component;
+/* Creation routing model functions */
+AS_t model_cluster_create(void)
+{
+ AS_t result = model_none_create_sized(sizeof(s_as_cluster_t));
+ result->get_route_and_latency = cluster_get_route_and_latency;
+ result->finalize = model_cluster_finalize;
+ result->get_graph = cluster_get_graph;
+ result->parse_AS = cluster_parse_AS;
+ result->parse_PU = cluster_parse_PU;
+
+ return (AS_t) result;
}