Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Start fixing the OO organization of the routing
authorMartin Quinson <martin.quinson@loria.fr>
Thu, 10 Nov 2011 10:38:09 +0000 (11:38 +0100)
committerMartin Quinson <martin.quinson@loria.fr>
Thu, 10 Nov 2011 10:38:09 +0000 (11:38 +0100)
the generic routing is intended to be the ancestor of every other
routing logic, so move it into its own file (without any other change
for now)

buildtools/Cmake/DefinePackages.cmake
src/surf/surf_routing.c
src/surf/surf_routing_generic.c [new file with mode: 0644]

index 2a63c70..122b703 100644 (file)
@@ -208,11 +208,12 @@ set(SURF_SRC
        src/surf/surf_model.c
        src/surf/surf_action.c
        src/surf/surf_routing.c
+       src/surf/surf_routing_none.c
+       src/surf/surf_routing_generic.c
        src/surf/surf_routing_full.c
        src/surf/surf_routing_floyd.c
        src/surf/surf_routing_rulebased.c
        src/surf/surf_routing_dijkstra.c
-       src/surf/surf_routing_none.c
        src/surf/surf_routing_cluster.c
        src/surf/surf_routing_vivaldi.c
        src/surf/surf_config.c
index adf4a2b..adbff02 100644 (file)
@@ -882,402 +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);
-}
-
-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 += surf_network_model->extension.network.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));
-    xbt_free(e_route->src_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)
 {
diff --git a/src/surf/surf_routing_generic.c b/src/surf/surf_routing_generic.c
new file mode 100644 (file)
index 0000000..aeaaf11
--- /dev/null
@@ -0,0 +1,415 @@
+/* Copyright (c) 2009, 2010, 2011. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* 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 <pcre.h>               /* regular expression library */
+
+#include "simgrid/platf_interface.h"    // platform creation API internal interface
+
+#include "surf_routing_private.h"
+#include "surf/surf_routing.h"
+#include "surf/surfxml_parse_values.h"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_routing_generic, surf_route, "Generic implementation of the surf routing");
+
+extern routing_component_t current_routing;
+
+
+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);
+}
+
+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 += surf_network_model->extension.network.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));
+    xbt_free(e_route->src_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);
+}