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Start fixing the OO organization of the routing
[simgrid.git] / src / surf / surf_routing.c
index aa8daea..adbff02 100644 (file)
@@ -46,7 +46,6 @@ static const char *src = NULL;  /* temporary store the source name of a route */
 static const char *dst = NULL;  /* temporary store the destination name of a route */
 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
-static double_f_cpvoid_t get_link_latency = NULL;
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
 
@@ -71,26 +70,24 @@ typedef enum {
 struct s_model_type routing_models[] = {
   {"Full",
    "Full routing data (fast, large memory requirements, fully expressive)",
-   model_full_create, model_full_load, model_full_unload, model_full_end},
+   model_full_create, NULL,NULL, model_full_end},
   {"Floyd",
    "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
-   model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end},
+   model_floyd_create, NULL,NULL, model_floyd_end},
   {"Dijkstra",
    "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
-   model_dijkstra_create, model_dijkstra_both_load,
-   model_dijkstra_both_unload, model_dijkstra_both_end},
+   model_dijkstra_create, NULL,NULL, model_dijkstra_both_end},
   {"DijkstraCache",
    "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
-   model_dijkstracache_create, model_dijkstra_both_load,
-   model_dijkstra_both_unload, model_dijkstra_both_end},
+   model_dijkstracache_create, NULL,NULL, model_dijkstra_both_end},
   {"none", "No routing (usable with Constant network only)",
-   model_none_create, model_none_load, model_none_unload, model_none_end},
+   model_none_create, NULL, NULL, NULL},
   {"RuleBased", "Rule-Based routing data (...)",
-   model_rulebased_create, model_none_load, model_none_unload, model_none_end},
+   model_rulebased_create, NULL, NULL, NULL},
   {"Vivaldi", "Vivaldi routing",
-   model_vivaldi_create, model_none_load, model_none_unload, model_none_end},
+   model_vivaldi_create, NULL, NULL, NULL},
   {"Cluster", "Cluster routing",
-   model_cluster_create, model_none_load, model_cluster_unload, model_none_end},
+   model_cluster_create, NULL, NULL, NULL},
   {NULL, NULL, NULL, NULL, NULL, NULL}
 };
 
@@ -350,13 +347,15 @@ void routing_AS_open(const char *AS_id, const char *wanted_routing_type)
     /* add to the father element list */
     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
     /* unload the prev parse rules */
-    (*(current_routing->routing->unload)) ();
+    if (current_routing->routing->unload)
+      (*(current_routing->routing->unload)) ();
 
   } else {
     THROWF(arg_error, 0, "All defined components must be belong to a AS");
   }
   /* set the new parse rules */
-  (*(new_routing->routing->load)) ();
+  if (new_routing->routing->load)
+    (*(new_routing->routing->load)) ();
   /* set the new current component of the tree */
   current_routing = new_routing;
 }
@@ -388,10 +387,12 @@ void routing_AS_close()
     xbt_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL,
                 (void *) info);
 
-    (*(current_routing->routing->unload)) ();
-    (*(current_routing->routing->end)) ();
+    if (current_routing->routing->unload)
+      (*(current_routing->routing->unload)) ();
+    if (current_routing->routing->end)
+      (*(current_routing->routing->end)) ();
     current_routing = current_routing->routing_father;
-    if (current_routing != NULL)
+    if (current_routing != NULL && current_routing->routing->load != NULL)
       (*(current_routing->routing->load)) ();
   }
 }
@@ -814,8 +815,7 @@ e_surf_network_element_type_t get_network_element_type(const char *name)
  * 
  * Make a global routing structure and set all the parsing functions.
  */
-void routing_model_create(size_t size_of_links, void *loopback,
-                          double_f_cpvoid_t get_link_latency_fun)
+void routing_model_create(size_t size_of_links, void *loopback)
 {
   /* config the uniq global routing */
   global_routing = xbt_new0(s_routing_global_t, 1);
@@ -831,7 +831,6 @@ void routing_model_create(size_t size_of_links, void *loopback,
   global_routing->loopback = loopback;
   global_routing->size_of_link = size_of_links;
   global_routing->last_route = NULL;
-  get_link_latency = get_link_latency_fun;
   /* no current routing at moment */
   current_routing = NULL;
 }
@@ -883,414 +882,6 @@ void routing_model_create(size_t size_of_links, void *loopback,
 /* ************************************************************************** */
 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 
-void generic_set_processing_unit(routing_component_t rc, const char *name)
-{
-  XBT_DEBUG("Load process unit \"%s\"", name);
-  int *id = xbt_new0(int, 1);
-  xbt_dict_t _to_index;
-  _to_index = current_routing->to_index;
-  *id = xbt_dict_length(_to_index);
-  xbt_dict_set(_to_index, name, id, xbt_free);
-}
-
-void generic_set_autonomous_system(routing_component_t rc, const char *name)
-{
-  XBT_DEBUG("Load Autonomous system \"%s\"", name);
-  int *id = xbt_new0(int, 1);
-  xbt_dict_t _to_index;
-  _to_index = current_routing->to_index;
-  *id = xbt_dict_length(_to_index);
-  xbt_dict_set(_to_index, name, id, xbt_free);
-}
-
-int surf_pointer_resource_cmp(const void *a, const void *b)
-{
-  return a != b;
-}
-
-int surf_link_resource_cmp(const void *a, const void *b)
-{
-  return ! !memcmp(a, b, global_routing->size_of_link);
-}
-
-void generic_set_bypassroute(routing_component_t rc,
-                             const char *src, const char *dst,
-                             route_extended_t e_route)
-{
-  XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
-  xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
-  char *route_name;
-
-  route_name = bprintf("%s#%s", src, dst);
-  xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
-             "Invalid count of links, must be greater than zero (%s,%s)",
-             src, dst);
-  xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
-             "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
-             src, e_route->src_gateway, dst, e_route->dst_gateway);
-
-  route_extended_t new_e_route =
-      generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
-  xbt_dynar_free(&(e_route->generic_route.link_list));
-  xbt_free(e_route);
-
-  xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
-               (void (*)(void *)) generic_free_extended_route);
-  xbt_free(route_name);
-}
-
-/* ************************************************************************** */
-/* *********************** GENERIC BUSINESS METHODS ************************* */
-
-double generic_get_link_latency(routing_component_t rc,
-                                const char *src, const char *dst,
-                                route_extended_t route)
-{
-  int need_to_clean = route ? 0 : 1;
-  void *link;
-  unsigned int i;
-  double latency = 0.0;
-
-  route = route ? route : rc->get_route(rc, src, dst);
-
-  xbt_dynar_foreach(route->generic_route.link_list, i, link) {
-    latency += get_link_latency(link);
-  }
-  if (need_to_clean)
-    generic_free_extended_route(route);
-  return latency;
-}
-
-xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
-{
-  xbt_die("\"generic_get_onelink_routes\" not implemented yet");
-}
-
-route_extended_t generic_get_bypassroute(routing_component_t rc,
-                                         const char *src, const char *dst)
-{
-  xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
-  routing_component_t src_as, dst_as;
-  int index_src, index_dst;
-  xbt_dynar_t path_src = NULL;
-  xbt_dynar_t path_dst = NULL;
-  routing_component_t current = NULL;
-  routing_component_t *current_src = NULL;
-  routing_component_t *current_dst = NULL;
-
-  /* (1) find the as where the src and dst are located */
-  void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
-  void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
-  if (!src_data)
-    src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
-  if (!dst_data)
-    dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
-
-  if (src_data == NULL || dst_data == NULL)
-    xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
-            src, dst, rc->name);
-
-  src_as = ((network_element_info_t) src_data)->rc_component;
-  dst_as = ((network_element_info_t) dst_data)->rc_component;
-
-  /* (2) find the path to the root routing component */
-  path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
-  current = src_as;
-  while (current != NULL) {
-    xbt_dynar_push(path_src, &current);
-    current = current->routing_father;
-  }
-  path_dst = xbt_dynar_new(sizeof(routing_component_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_extended_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",
-                                   (*(routing_component_t *)
-                                    (xbt_dynar_get_ptr(path_src, i)))->name,
-                                   (*(routing_component_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",
-                                   (*(routing_component_t *)
-                                    (xbt_dynar_get_ptr(path_src, max)))->name,
-                                   (*(routing_component_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;
-
-    if (max <= max_index_src && max <= max_index_dst) {
-      char *route_name = bprintf("%s#%s",
-                                 (*(routing_component_t *)
-                                  (xbt_dynar_get_ptr(path_src, max)))->name,
-                                 (*(routing_component_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);
-
-  route_extended_t new_e_route = NULL;
-
-  if (e_route_bypass) {
-    void *link;
-    unsigned int cpt = 0;
-    new_e_route = xbt_new0(s_route_extended_t, 1);
-    new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
-    new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
-    new_e_route->generic_route.link_list =
-        xbt_dynar_new(global_routing->size_of_link, NULL);
-    xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
-      xbt_dynar_push(new_e_route->generic_route.link_list, &link);
-    }
-  }
-
-  return new_e_route;
-}
-
-/* ************************************************************************** */
-/* ************************* GENERIC AUX FUNCTIONS ************************** */
-
-route_t
-generic_new_route(e_surf_routing_hierarchy_t hierarchy, void *data, int order)
-{
-
-  char *link_name;
-  route_t new_route;
-  unsigned int cpt;
-  xbt_dynar_t links = NULL, links_id = NULL;
-
-  new_route = xbt_new0(s_route_t, 1);
-  new_route->link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
-
-  xbt_assert(hierarchy == SURF_ROUTING_BASE,
-             "the hierarchy type is not SURF_ROUTING_BASE");
-
-  links = ((route_t) data)->link_list;
-
-
-  links_id = new_route->link_list;
-
-  xbt_dynar_foreach(links, cpt, link_name) {
-
-    void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
-    if (link) {
-      if (order)
-        xbt_dynar_push(links_id, &link);
-      else
-        xbt_dynar_unshift(links_id, &link);
-    } else
-      THROWF(mismatch_error, 0, "Link %s not found", link_name);
-  }
-
-  return new_route;
-}
-
-route_extended_t
-generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
-                           void *data, int order)
-{
-
-  char *link_name;
-  route_extended_t e_route, new_e_route;
-  route_t route;
-  unsigned int cpt;
-  xbt_dynar_t links = NULL, links_id = NULL;
-
-  new_e_route = xbt_new0(s_route_extended_t, 1);
-  new_e_route->generic_route.link_list =
-      xbt_dynar_new(global_routing->size_of_link, NULL);
-  new_e_route->src_gateway = NULL;
-  new_e_route->dst_gateway = NULL;
-
-  xbt_assert(hierarchy == SURF_ROUTING_BASE
-             || hierarchy == SURF_ROUTING_RECURSIVE,
-             "the hierarchy type is not defined");
-
-  if (hierarchy == SURF_ROUTING_BASE) {
-
-    route = (route_t) data;
-    links = route->link_list;
-
-  } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
-
-    e_route = (route_extended_t) data;
-    xbt_assert(e_route->src_gateway
-               && e_route->dst_gateway, "bad gateway, is null");
-    links = e_route->generic_route.link_list;
-
-    /* remeber not erase the gateway names */
-    new_e_route->src_gateway = strdup(e_route->src_gateway);
-    new_e_route->dst_gateway = strdup(e_route->dst_gateway);
-  }
-
-  links_id = new_e_route->generic_route.link_list;
-
-  xbt_dynar_foreach(links, cpt, link_name) {
-
-    void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
-    if (link) {
-      if (order)
-        xbt_dynar_push(links_id, &link);
-      else
-        xbt_dynar_unshift(links_id, &link);
-    } else
-      THROWF(mismatch_error, 0, "Link %s not found", link_name);
-  }
-
-  return new_e_route;
-}
-
-void generic_free_route(route_t route)
-{
-  if (route) {
-    xbt_dynar_free(&(route->link_list));
-    xbt_free(route);
-  }
-}
-
-void generic_free_extended_route(route_extended_t e_route)
-{
-  if (e_route) {
-    xbt_dynar_free(&(e_route->generic_route.link_list));
-    if (e_route->src_gateway)
-      xbt_free(e_route->src_gateway);
-    if (e_route->dst_gateway)
-      xbt_free(e_route->dst_gateway);
-    xbt_free(e_route);
-  }
-}
-
-static routing_component_t generic_as_exist(routing_component_t find_from,
-                                            routing_component_t to_find)
-{
-  //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
-  xbt_dict_cursor_t cursor = NULL;
-  char *key;
-  int found = 0;
-  routing_component_t elem;
-  xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
-    if (to_find == elem || generic_as_exist(elem, to_find)) {
-      found = 1;
-      break;
-    }
-  }
-  if (found)
-    return to_find;
-  return NULL;
-}
-
-routing_component_t
-generic_autonomous_system_exist(routing_component_t rc, char *element)
-{
-  //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
-  routing_component_t element_as, result, elem;
-  xbt_dict_cursor_t cursor = NULL;
-  char *key;
-  element_as = ((network_element_info_t)
-                xbt_lib_get_or_null(as_router_lib, element,
-                                    ROUTING_ASR_LEVEL))->rc_component;
-  result = ((routing_component_t) - 1);
-  if (element_as != rc)
-    result = generic_as_exist(rc, element_as);
-
-  int found = 0;
-  if (result) {
-    xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
-      found = !strcmp(elem->name, element);
-      if (found)
-        break;
-    }
-    if (found)
-      return element_as;
-  }
-  return NULL;
-}
-
-routing_component_t
-generic_processing_units_exist(routing_component_t rc, char *element)
-{
-  routing_component_t element_as;
-  element_as = ((network_element_info_t)
-                xbt_lib_get_or_null(host_lib,
-                                    element, ROUTING_HOST_LEVEL))->rc_component;
-  if (element_as == rc)
-    return element_as;
-  return generic_as_exist(rc, element_as);
-}
-
-void generic_src_dst_check(routing_component_t rc, const char *src,
-                           const char *dst)
-{
-
-  void *src_data = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL);
-  void *dst_data = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL);
-  if (!src_data)
-    src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
-  if (!dst_data)
-    dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
-
-  if (src_data == NULL || dst_data == NULL)
-    xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
-            src, dst, rc->name);
-
-  routing_component_t src_as =
-      ((network_element_info_t) src_data)->rc_component;
-  routing_component_t dst_as =
-      ((network_element_info_t) dst_data)->rc_component;
-
-  if (src_as != dst_as)
-    xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
-            src, src_as->name, dst, dst_as->name);
-  if (rc != dst_as)
-    xbt_die
-        ("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
-         src, dst, src_as->name, dst_as->name, rc->name);
-}
 
 static void routing_parse_cluster(void)
 {
@@ -1437,8 +1028,7 @@ static void routing_parse_cluster(void)
         bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id,
                 struct_cluster->suffix);
   sg_platf_new_router(&router);
-  if (newid)
-    free(newid);
+  free(newid);
 
   //Make the backbone
   if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) {