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Implement bypassRoute and bypassASroute. Add an example.
[simgrid.git] / src / surf / surf_routing_generic.c
index 4301a34..0fbcc94 100644 (file)
@@ -41,14 +41,14 @@ void model_generic_finalize(AS_t as) {
 int generic_parse_PU(AS_t as, network_element_t elm)
 {
   XBT_DEBUG("Load process unit \"%s\"", elm->name);
-  xbt_dynar_push(as->index_network_elm, elm);
+  xbt_dynar_push_as(as->index_network_elm,network_element_t,elm);
   return xbt_dynar_length(as->index_network_elm)-1;
 }
 
 int generic_parse_AS(AS_t as, network_element_t elm)
 {
   XBT_DEBUG("Load Autonomous system \"%s\"", elm->name);
-  xbt_dynar_push(as->index_network_elm, elm);
+  xbt_dynar_push_as(as->index_network_elm,network_element_t,elm);
   return xbt_dynar_length(as->index_network_elm)-1;
 }
 
@@ -56,7 +56,10 @@ void generic_parse_bypassroute(AS_t rc,
                              const char *src, const char *dst,
                              route_t e_route)
 {
-  XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
+  if(e_route->dst_gateway)
+    XBT_INFO("Load bypassASroute from \"%s\" to \"%s\"", src, dst);
+  else
+    XBT_INFO("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
   char *route_name;
 
@@ -68,8 +71,12 @@ void generic_parse_bypassroute(AS_t rc,
              "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
              src, e_route->src_gateway->name, dst, e_route->dst_gateway->name);
 
-  route_t new_e_route =
-      generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
+  route_t new_e_route = NULL;
+  if(e_route->dst_gateway)
+    new_e_route =  generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 1);
+  else
+    new_e_route =  generic_new_route(SURF_ROUTING_BASE, e_route, 1);
+
   xbt_dynar_free(&(e_route->link_list));
   xbt_free(e_route);
 
@@ -86,114 +93,26 @@ xbt_dynar_t generic_get_onelink_routes(AS_t rc) { // FIXME: kill that stub
   return NULL;
 }
 
-route_t generic_get_bypassroute(AS_t rc, network_element_t src, network_element_t dst)
+route_t generic_get_bypassroute(AS_t rc, network_element_t src, network_element_t dst, double *lat)
 {
   // If never set a bypass route return NULL without any further computations
+  XBT_DEBUG("generic_get_bypassroute from %s to %s",src->name,dst->name);
   if(no_bypassroute_declared)
     return NULL;
 
   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
-  AS_t src_as, dst_as;
-  int index_src, index_dst;
-  xbt_dynar_t path_src = NULL;
-  xbt_dynar_t path_dst = NULL;
-  AS_t current = NULL;
-  AS_t *current_src = NULL;
-  AS_t *current_dst = NULL;
-
-  char* src_name = src->name;
-  char* dst_name = dst->name;
 
   if (src == NULL || dst == NULL)
     xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
-            src_name, dst_name, rc->name);
-
-  src_as = src->rc_component;
-  dst_as = dst->rc_component;
-
-  /* (2) find the path to the root routing component */
-  path_src = xbt_dynar_new(sizeof(AS_t), NULL);
-  current = src_as;
-  while (current != NULL) {
-    xbt_dynar_push(path_src, &current);
-    current = current->routing_father;
-  }
-  path_dst = xbt_dynar_new(sizeof(AS_t), NULL);
-  current = dst_as;
-  while (current != NULL) {
-    xbt_dynar_push(path_dst, &current);
-    current = current->routing_father;
-  }
-
-  /* (3) find the common father */
-  index_src = path_src->used - 1;
-  index_dst = path_dst->used - 1;
-  current_src = xbt_dynar_get_ptr(path_src, index_src);
-  current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
-  while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
-    xbt_dynar_pop_ptr(path_src);
-    xbt_dynar_pop_ptr(path_dst);
-    index_src--;
-    index_dst--;
-    current_src = xbt_dynar_get_ptr(path_src, index_src);
-    current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
-  }
-
-  int max_index_src = path_src->used - 1;
-  int max_index_dst = path_dst->used - 1;
-
-  int max_index = max(max_index_src, max_index_dst);
-  int i, max;
-
-  route_t e_route_bypass = NULL;
-
-  for (max = 0; max <= max_index; max++) {
-    for (i = 0; i < max; i++) {
-      if (i <= max_index_src && max <= max_index_dst) {
-        char *route_name = bprintf("%s#%s",
-                                   (*(AS_t *)
-                                    (xbt_dynar_get_ptr(path_src, i)))->name,
-                                   (*(AS_t *)
-                                    (xbt_dynar_get_ptr(path_dst, max)))->name);
-        e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
-        xbt_free(route_name);
-      }
-      if (e_route_bypass)
-        break;
-      if (max <= max_index_src && i <= max_index_dst) {
-        char *route_name = bprintf("%s#%s",
-                                   (*(AS_t *)
-                                    (xbt_dynar_get_ptr(path_src, max)))->name,
-                                   (*(AS_t *)
-                                    (xbt_dynar_get_ptr(path_dst, i)))->name);
-        e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
-        xbt_free(route_name);
-      }
-      if (e_route_bypass)
-        break;
-    }
-
-    if (e_route_bypass)
-      break;
+            src->name, dst->name, rc->name);
 
-    if (max <= max_index_src && max <= max_index_dst) {
-      char *route_name = bprintf("%s#%s",
-                                 (*(AS_t *)
-                                  (xbt_dynar_get_ptr(path_src, max)))->name,
-                                 (*(AS_t *)
-                                  (xbt_dynar_get_ptr(path_dst, max)))->name);
-      e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
-      xbt_free(route_name);
-    }
-    if (e_route_bypass)
-      break;
-  }
-
-  xbt_dynar_free(&path_src);
-  xbt_dynar_free(&path_dst);
+  char *route_name = bprintf("%s#%s", src->name, dst->name);
+  route_t e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
+  if(e_route_bypass)
+    XBT_DEBUG("Find bypass route with %ld links",xbt_dynar_length(e_route_bypass->link_list));
+  free(route_name);
 
   route_t new_e_route = NULL;
-
   if (e_route_bypass) {
     void *link;
     unsigned int cpt = 0;
@@ -204,6 +123,8 @@ route_t generic_get_bypassroute(AS_t rc, network_element_t src, network_element_
         xbt_dynar_new(global_routing->size_of_link, NULL);
     xbt_dynar_foreach(e_route_bypass->link_list, cpt, link) {
       xbt_dynar_push(new_e_route->link_list, &link);
+      if (lat)
+        *lat += surf_network_model->extension.network.get_link_latency(link);
     }
   }