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The test is always true
[simgrid.git] / src / surf / surf_routing_dijkstra.c
index 3c98c82..2736aa9 100644 (file)
@@ -79,7 +79,7 @@ static xbt_node_t route_graph_new_node(as_dijkstra_t as,
   elm = xbt_new0(struct graph_node_map_element, 1);
   elm->node = node;
   xbt_dict_set_ext(as->graph_node_map, (char *) (&id), sizeof(int),
-                   (xbt_set_elm_t) elm, &graph_node_map_elem_free);
+                   (xbt_set_elm_t) elm, NULL);
 
   return node;
 }
@@ -165,35 +165,35 @@ static void add_loopback_dijkstra(as_dijkstra_t as) {
   }
 }
 
-static void dijkstra_get_route(AS_t as_generic,
-        const char *src, const char *dst, route_t route);
+static void dijkstra_get_route_and_latency(AS_t as_generic,
+    network_element_t src, network_element_t dst, route_t route, double *lat);
 
 static xbt_dynar_t dijkstra_get_onelink_routes(AS_t as)
 {
- // xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
          xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
-
-         //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
-         xbt_dict_cursor_t c1 = NULL, c2 = NULL;
-         char *k1, *d1, *k2, *d2;
-         xbt_dict_foreach(as->to_index, c1, k1, d1) {
-           xbt_dict_foreach(as->to_index, c2, k2, d2) {
-             route_t route = xbt_new0(s_route_t,1);
-             route->link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
-             dijkstra_get_route(as, k1, k2,route);
+      route_t route = xbt_new0(s_route_t,1);
+      route->link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+
+         int src,dst;
+         network_element_t src_elm, dst_elm;
+         size_t table_size = xbt_dynar_length(as->index_network_elm);
+         for(src=0; src < table_size; src++) {
+           for(dst=0; dst< table_size; dst++) {
+             xbt_dynar_reset(route->link_list);
+             src_elm = xbt_dynar_get_as(as->index_network_elm,src,network_element_t);
+             dst_elm = xbt_dynar_get_as(as->index_network_elm,dst,network_element_t);
+             dijkstra_get_route_and_latency(as, src_elm, dst_elm,route, NULL);
 
              if (xbt_dynar_length(route->link_list) == 1) {
-               void *link =
-                   *(void **) xbt_dynar_get_ptr(route->link_list, 0);
+               void *link = *(void **) xbt_dynar_get_ptr(route->link_list, 0);
                onelink_t onelink = xbt_new0(s_onelink_t, 1);
                onelink->link_ptr = link;
                if (as->hierarchy == SURF_ROUTING_BASE) {
-                 onelink->src = xbt_strdup(k1);
-                 onelink->dst = xbt_strdup(k2);
-               } else if (as->hierarchy ==
-                   SURF_ROUTING_RECURSIVE) {
-                 onelink->src = xbt_strdup(route->src_gateway);
-                 onelink->dst = xbt_strdup(route->dst_gateway);
+                 onelink->src = src_elm;
+                 onelink->dst = dst_elm;
+               } else if (as->hierarchy == SURF_ROUTING_RECURSIVE) {
+                 onelink->src = route->src_gateway;
+                 onelink->dst = route->dst_gateway;
                }
                xbt_dynar_push(ret, &onelink);
              }
@@ -202,19 +202,20 @@ static xbt_dynar_t dijkstra_get_onelink_routes(AS_t as)
          return ret;
 }
 
-static void dijkstra_get_route(AS_t asg,
-                               const char *src, const char *dst,
-                               route_t route)
+static void dijkstra_get_route_and_latency(AS_t asg,
+    network_element_t src, network_element_t dst,
+                               route_t route, double *lat)
 {
 
   /* set utils vars */
   as_dijkstra_t as = (as_dijkstra_t) asg;
 
   generic_src_dst_check(asg, src, dst);
-  int *src_id = xbt_dict_get_or_null(asg->to_index, src);
-  int *dst_id = xbt_dict_get_or_null(asg->to_index, dst);
+  int *src_id = &(src->id);
+  int *dst_id = &(dst->id);
+
   if (!src_id || !dst_id)
-    THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
+    THROWF(arg_error,0,"No route from '%s' to '%s'",src->name,dst->name);
 
   int *pred_arr = NULL;
   int src_node_id = 0;
@@ -249,13 +250,15 @@ static void dijkstra_get_route(AS_t asg,
         xbt_graph_get_edge(as->route_graph, node_s_v, node_e_v);
 
     if (edge == NULL)
-      THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
+      THROWF(arg_error,0,"No route from '%s' to '%s'",src->name,dst->name);
 
     e_route = (route_t) xbt_graph_edge_get_data(edge);
 
     links = e_route->link_list;
     xbt_dynar_foreach(links, cpt, link) {
       xbt_dynar_unshift(route->link_list, &link);
+      if (lat)
+        *lat += surf_network_model->extension.network.get_link_latency(link);
     }
 
   }
@@ -329,7 +332,8 @@ static void dijkstra_get_route(AS_t asg,
   }
 
   /* compose route path with links */
-  char *gw_src = NULL, *gw_dst = NULL, *prev_gw_src, *first_gw = NULL;
+  network_element_t gw_src = NULL, gw_dst, prev_gw_src, first_gw = NULL;
+  network_element_t gw_dst_net_elm = NULL, prev_gw_src_net_elm = NULL;
 
   for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
     xbt_node_t node_pred_v =
@@ -339,7 +343,7 @@ static void dijkstra_get_route(AS_t asg,
         xbt_graph_get_edge(as->route_graph, node_pred_v, node_v);
 
     if (edge == NULL)
-      THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
+      THROWF(arg_error,0,"No route from '%s' to '%s'",src->name,dst->name);
 
     prev_gw_src = gw_src;
 
@@ -351,15 +355,17 @@ static void dijkstra_get_route(AS_t asg,
       first_gw = gw_dst;
 
     if (asg->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
-        && strcmp(gw_dst, prev_gw_src)) {
+        && strcmp(gw_dst->name, prev_gw_src->name)) {
       xbt_dynar_t e_route_as_to_as=NULL;
-      routing_get_route_and_latency(gw_dst, prev_gw_src,&e_route_as_to_as,NULL);
+      routing_get_route_and_latency(gw_dst_net_elm, prev_gw_src_net_elm, &e_route_as_to_as, NULL);
       if (edge == NULL)
-        THROWF(arg_error,0,"No route from '%s' to '%s'",src,dst);
+        THROWF(arg_error,0,"No route from '%s' to '%s'",src->name,dst->name);
       links = e_route_as_to_as;
       int pos = 0;
       xbt_dynar_foreach(links, cpt, link) {
         xbt_dynar_insert_at(route->link_list, pos, &link);
+        if (lat)
+          *lat += surf_network_model->extension.network.get_link_latency(link);
         pos++;
       }
     }
@@ -367,13 +373,15 @@ static void dijkstra_get_route(AS_t asg,
     links = e_route->link_list;
     xbt_dynar_foreach(links, cpt, link) {
       xbt_dynar_unshift(route->link_list, &link);
+      if (lat)
+        *lat += surf_network_model->extension.network.get_link_latency(link);
     }
     size++;
   }
 
   if (asg->hierarchy == SURF_ROUTING_RECURSIVE) {
-    route->src_gateway = xbt_strdup(gw_src);
-    route->dst_gateway = xbt_strdup(first_gw);
+    route->src_gateway = gw_src;
+    route->dst_gateway = first_gw;
   }
 
   if (as->cached && elm == NULL) {
@@ -382,7 +390,7 @@ static void dijkstra_get_route(AS_t asg,
     elm->pred_arr = pred_arr;
     elm->size = size;
     xbt_dict_set_ext(as->route_cache, (char *) (&src_id), sizeof(int),
-                     (xbt_set_elm_t) elm, &route_cache_elem_free);
+                     (xbt_set_elm_t) elm, NULL);
   }
 
   if (!as->cached)
@@ -411,7 +419,7 @@ AS_t model_dijkstra_both_create(int cached)
 
   new_component->generic_routing.parse_route = model_dijkstra_both_parse_route;
   new_component->generic_routing.parse_ASroute = model_dijkstra_both_parse_route;
-  new_component->generic_routing.get_route = dijkstra_get_route;
+  new_component->generic_routing.get_route_and_latency = dijkstra_get_route_and_latency;
   new_component->generic_routing.get_onelink_routes =
       dijkstra_get_onelink_routes;
   new_component->generic_routing.finalize = dijkstra_finalize;
@@ -432,27 +440,27 @@ AS_t model_dijkstracache_create(void)
 
 void model_dijkstra_both_end(AS_t as)
 {
-  as_dijkstra_t THIS = (as_dijkstra_t) as;
+  as_dijkstra_t THIS_AS = (as_dijkstra_t) as;
 
   xbt_node_t node = NULL;
   unsigned int cursor2;
   xbt_dynar_t nodes = NULL;
 
   /* Create the topology graph */
-  if(!THIS->route_graph)
-  THIS->route_graph = xbt_graph_new_graph(1, NULL);
-  if(!THIS->graph_node_map)
-  THIS->graph_node_map = xbt_dict_new();
+  if(!THIS_AS->route_graph)
+  THIS_AS->route_graph = xbt_graph_new_graph(1, NULL);
+  if(!THIS_AS->graph_node_map)
+  THIS_AS->graph_node_map = xbt_dict_new_homogeneous(&graph_node_map_elem_free);
 
-  if (THIS->cached && !THIS->route_cache)
-  THIS->route_cache = xbt_dict_new();
+  if (THIS_AS->cached && !THIS_AS->route_cache)
+  THIS_AS->route_cache = xbt_dict_new_homogeneous(&route_cache_elem_free);
 
   /* Add the loopback if needed */
-  if (as->hierarchy == SURF_ROUTING_BASE)
-    add_loopback_dijkstra(THIS);
+  if (global_routing->loopback && as->hierarchy == SURF_ROUTING_BASE)
+    add_loopback_dijkstra(THIS_AS);
 
   /* initialize graph indexes in nodes after graph has been built */
-  nodes = xbt_graph_get_nodes(THIS->route_graph);
+  nodes = xbt_graph_get_nodes(THIS_AS->route_graph);
 
   xbt_dynar_foreach(nodes, cursor2, node) {
     graph_node_data_t data = xbt_graph_node_get_data(node);
@@ -463,38 +471,71 @@ void model_dijkstra_both_end(AS_t as)
 void model_dijkstra_both_parse_route (AS_t asg, const char *src,
                      const char *dst, route_t route)
 {
+    int as_route = 0;
+    if(!route->dst_gateway && !route->src_gateway)
+      XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
+    else{
+      XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+             route->src_gateway->name, dst, route->dst_gateway->name);
+      as_route = 1;
+      if(route->dst_gateway->rc_type == SURF_NETWORK_ELEMENT_NULL)
+          xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway->name);
+      if(route->src_gateway->rc_type == SURF_NETWORK_ELEMENT_NULL)
+          xbt_die("The src_gateway '%s' does not exist!",route->src_gateway->name);
+    }
+
        as_dijkstra_t as = (as_dijkstra_t) asg;
-       int *src_id, *dst_id;
-       src_id = xbt_dict_get_or_null(asg->to_index, src);
-       dst_id = xbt_dict_get_or_null(asg->to_index, dst);
+    network_element_t src_net_elm, dst_net_elm;
 
-       xbt_assert(src_id, "Network elements %s not found", src);
-       xbt_assert(dst_id, "Network elements %s not found", dst);
+    src_net_elm = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
+    dst_net_elm = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
+    if (!src_net_elm)
+      src_net_elm = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
+    if (!dst_net_elm)
+      dst_net_elm = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
+
+    xbt_assert(src_net_elm, "Network elements %s not found", src);
+    xbt_assert(dst_net_elm, "Network elements %s not found", dst);
 
     /* Create the topology graph */
        if(!as->route_graph)
        as->route_graph = xbt_graph_new_graph(1, NULL);
        if(!as->graph_node_map)
-       as->graph_node_map = xbt_dict_new();
+       as->graph_node_map = xbt_dict_new_homogeneous(&graph_node_map_elem_free);
 
        if (as->cached && !as->route_cache)
-       as->route_cache = xbt_dict_new();
-
-       if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
-               || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
-               xbt_die("Route symmetrical not supported on model dijkstra");
-
-       if(!route->dst_gateway && !route->src_gateway)
-         XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
-       else{
-         XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
-                        route->src_gateway, dst, route->dst_gateway);
-         if(routing_get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
-                 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
-         if(routing_get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
-                 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
-       }
+       as->route_cache = xbt_dict_new_homogeneous(&route_cache_elem_free);
 
        route_t e_route = generic_new_extended_route(asg->hierarchy, route, 1);
-       route_new_dijkstra(as, *src_id, *dst_id, e_route);
+       route_new_dijkstra(as, src_net_elm->id, dst_net_elm->id, e_route);
+
+       // Symmetrical YES
+    if ( (A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES && as_route == 0)
+         || (A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES && as_route == 1)
+       )
+    {
+      if(!route->dst_gateway && !route->src_gateway)
+        XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
+      else
+        XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
+               route->dst_gateway->name, src, route->src_gateway->name);
+
+      xbt_dynar_t nodes = xbt_graph_get_nodes(as->route_graph);
+      xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_net_elm->id, xbt_node_t);
+      xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_net_elm->id, xbt_node_t);
+      xbt_edge_t edge =
+          xbt_graph_get_edge(as->route_graph, node_e_v, node_s_v);
+
+      if (edge)
+        THROWF(arg_error,0,"(AS)Route from '%s' to '%s' already exists",src,dst);
+
+      if (route->dst_gateway && route->src_gateway) {
+        network_element_t gw_tmp;
+        gw_tmp = route->src_gateway;
+        route->src_gateway = route->dst_gateway;
+        route->dst_gateway = gw_tmp;
+      }
+      route_t link_route_back = generic_new_extended_route(asg->hierarchy, route, 0);
+      route_new_dijkstra(as, dst_net_elm->id, src_net_elm->id, link_route_back);
+    }
 }