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Use the function sg_platf_new_linkctn when parsing platform
[simgrid.git] / src / surf / surf_routing.c
index 701eabf..50f6ddc 100644 (file)
 #include "surf/surf_routing.h"
 #include "surf/surfxml_parse_values.h"
 
+/**
+ * @ingroup SURF_build_api
+ * @brief A library containing all known workstations
+ */
 xbt_lib_t host_lib;
+
 int ROUTING_HOST_LEVEL;         //Routing level
 int SURF_CPU_LEVEL;             //Surf cpu level
 int SURF_WKS_LEVEL;             //Surf workstation level
 int SIMIX_HOST_LEVEL;           //Simix level
 int MSG_HOST_LEVEL;             //Msg level
 int SD_HOST_LEVEL;              //Simdag level
-int COORD_HOST_LEVEL;           //Coordinates level
+int COORD_HOST_LEVEL=0;         //Coordinates level
 int NS3_HOST_LEVEL;             //host node for ns3
 
+xbt_dict_t watched_hosts_lib;
+
+/**
+ * @ingroup SURF_build_api
+ * @brief A library containing all known links
+ */
 xbt_lib_t link_lib;
 int SD_LINK_LEVEL;              //Simdag level
 int SURF_LINK_LEVEL;            //Surf level
@@ -34,12 +45,24 @@ int NS3_ASR_LEVEL;              //host node for ns3
 
 static xbt_dict_t random_value = NULL;
 
+/** @brief Retrieve a routing edge from its name
+ *
+ * Routing edges are either CPU/workstation and routers, whatever
+ */
+sg_routing_edge_t sg_routing_edge_by_name_or_null(const char *name) {
+    sg_routing_edge_t net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
+    if(!net_elm) net_elm = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+  return net_elm;
+}
+
 /* Global vars */
-routing_global_t global_routing = NULL;
+routing_platf_t routing_platf = NULL;
 AS_t current_routing = NULL;
 
 /* global parse functions */
-xbt_dynar_t link_list = NULL;   /* temporary store of current list link of a route */
+xbt_dynar_t parsed_link_list = NULL;   /* temporary store of current list link of a route */
+extern xbt_dynar_t mount_list;
+
 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 */
@@ -77,7 +100,7 @@ struct s_model_type routing_models[] = {
   {"DijkstraCache",
    "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
    model_dijkstracache_create, model_dijkstra_both_end},
-  {"none", "No routing (usable with Constant network only)",
+  {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
    model_none_create,  NULL},
   {"RuleBased", "Rule-Based routing data (...)",
    model_rulebased_create, NULL},
@@ -88,29 +111,78 @@ struct s_model_type routing_models[] = {
   {NULL, NULL, NULL, NULL}
 };
 
+/**
+ * \brief Add a "host_link" to the network element list
+ */
+static void parse_S_host_link(sg_platf_host_link_cbarg_t host)
+{
+  sg_routing_edge_t info = NULL;
+  info = xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL);
+  xbt_assert(info, "Host '%s' not found!",host->id);
+  xbt_assert(current_routing->model_desc == &routing_models[SURF_MODEL_CLUSTER] ||
+      current_routing->model_desc == &routing_models[SURF_MODEL_VIVALDI],
+      "You have to be in model Cluster to use tag host_link!");
+
+  s_surf_parsing_link_up_down_t link_up_down;
+  link_up_down.link_up = xbt_lib_get_or_null(link_lib, host->link_up, SURF_LINK_LEVEL);
+  link_up_down.link_down = xbt_lib_get_or_null(link_lib, host->link_down, SURF_LINK_LEVEL);
+
+  xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
+  xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
+
+  if(!current_routing->link_up_down_list)
+    current_routing->link_up_down_list = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
+
+  // If dynar is is greater than edge id and if the host_link is already defined
+  if(xbt_dynar_length(current_routing->link_up_down_list) > info->id &&
+      xbt_dynar_get_as(current_routing->link_up_down_list,info->id,void*))
+    xbt_die("Host_link for '%s' is already defined!",host->id);
+
+  XBT_DEBUG("Push Host_link for host '%s' to position %d",info->name,info->id);
+  xbt_dynar_set_as(current_routing->link_up_down_list,info->id,s_surf_parsing_link_up_down_t,link_up_down);
+}
+
 /**
  * \brief Add a "host" to the network element list
  */
 static void parse_S_host(sg_platf_host_cbarg_t host)
 {
-  network_element_info_t info = NULL;
+  sg_routing_edge_t info = NULL;
   if (current_routing->hierarchy == SURF_ROUTING_NULL)
     current_routing->hierarchy = SURF_ROUTING_BASE;
   xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
              "Reading a host, processing unit \"%s\" already exists", host->id);
 
-  current_routing->parse_PU(current_routing, host->id);
-  info = xbt_new0(s_network_element_info_t, 1);
+  info = xbt_new0(s_network_element_t, 1);
   info->rc_component = current_routing;
   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
+  info->name = xbt_strdup(host->id);
+  info->id = current_routing->parse_PU(current_routing, (void *) info);
   xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
+  XBT_DEBUG("Having set name '%s' id '%d'",host->id,info->id);
+
+  if(mount_list){
+    xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
+    mount_list = NULL;
+  }
+
   if (host->coord && strcmp(host->coord, "")) {
+    unsigned int cursor;
+    char*str;
+
     if (!COORD_HOST_LEVEL)
-      xbt_die
-          ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
-    xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
+      xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
+    /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
+    xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
+    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+    xbt_dynar_foreach(ctn_str,cursor, str) {
+      double val = atof(str);
+      xbt_dynar_push(ctn,&val);
+    }
     xbt_dynar_shrink(ctn, 0);
+    xbt_dynar_free(&ctn_str);
     xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
+    XBT_DEBUG("Having set host coordinates for '%s'",host->id);
   }
 }
 
@@ -119,26 +191,38 @@ static void parse_S_host(sg_platf_host_cbarg_t host)
  */
 static void parse_S_router(sg_platf_router_cbarg_t router)
 {
-  network_element_info_t info = NULL;
+  sg_routing_edge_t info = NULL;
   if (current_routing->hierarchy == SURF_ROUTING_NULL)
     current_routing->hierarchy = SURF_ROUTING_BASE;
   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
              "Reading a router, processing unit \"%s\" already exists",
              router->id);
 
-  current_routing->parse_PU(current_routing, router->id);
-  info = xbt_new0(s_network_element_info_t, 1);
+  info = xbt_new0(s_network_element_t, 1);
   info->rc_component = current_routing;
   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
-
+  info->name = xbt_strdup(router->id);
+  info->id = current_routing->parse_PU(current_routing, (void *) info);
   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
-  if (strcmp(router->coord, "")) {
+  XBT_DEBUG("Having set name '%s' id '%d'",router->id,info->id);
+
+  if (router->coord && strcmp(router->coord, "")) {
+    unsigned int cursor;
+    char*str;
+
     if (!COORD_ASR_LEVEL)
-      xbt_die
-          ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
-    xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
+      xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
+    /* Pre-parse the host coordinates */
+    xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
+    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+    xbt_dynar_foreach(ctn_str,cursor, str) {
+      double val = atof(str);
+      xbt_dynar_push(ctn,&val);
+    }
     xbt_dynar_shrink(ctn, 0);
+    xbt_dynar_free(&ctn_str);
     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
+    XBT_DEBUG("Having set router coordinates for '%s'",router->id);
   }
 }
 
@@ -148,15 +232,12 @@ static void parse_S_router(sg_platf_router_cbarg_t router)
  */
 static void routing_parse_S_route(void)
 {
-  if (src != NULL && dst != NULL && link_list != NULL)
-    THROWF(arg_error, 0, "Route between %s to %s can not be defined",
-           A_surfxml_route_src, A_surfxml_route_dst);
   src = A_surfxml_route_src;
   dst = A_surfxml_route_dst;
   xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
-             "Some limits are null in the route between \"%s\" and \"%s\"",
+             "Missing end-points while defining route \"%s\"->\"%s\"",
              src, dst);
-  link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -164,18 +245,14 @@ static void routing_parse_S_route(void)
  */
 static void routing_parse_S_ASroute(void)
 {
-  if (src != NULL && dst != NULL && link_list != NULL)
-    THROWF(arg_error, 0, "Route between %s to %s can not be defined",
-           A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
   src = A_surfxml_ASroute_src;
   dst = A_surfxml_ASroute_dst;
   gw_src = A_surfxml_ASroute_gw_src;
   gw_dst = A_surfxml_ASroute_gw_dst;
-  xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
-             || strlen(gw_dst) > 0,
-             "Some limits are null in the route between \"%s\" and \"%s\"",
-             src, dst);
-  link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+  xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+             "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+             src, dst,gw_src,gw_dst);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -183,41 +260,29 @@ static void routing_parse_S_ASroute(void)
  */
 static void routing_parse_S_bypassRoute(void)
 {
-  if (src != NULL && dst != NULL && link_list != NULL)
-    THROWF(arg_error, 0,
-           "Bypass Route between %s to %s can not be defined",
-           A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
   src = A_surfxml_bypassRoute_src;
   dst = A_surfxml_bypassRoute_dst;
-  gw_src = A_surfxml_bypassRoute_gw_src;
-  gw_dst = A_surfxml_bypassRoute_gw_dst;
-  xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
-             || strlen(gw_dst) > 0,
-             "Some limits are null in the route between \"%s\" and \"%s\"",
-             src, dst);
-  link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+  gw_src = NULL;
+  gw_dst = NULL;
+  xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+             "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+             src, dst,gw_src,gw_dst);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
- * \brief Set a new link on the actual list of link for a route or ASroute from XML
+ * \brief Set the end points for a bypassASroute
  */
-
-static void routing_parse_link_ctn(void)
+static void routing_parse_S_bypassASroute(void)
 {
-  char *link_id;
-  switch (A_surfxml_link_ctn_direction) {
-  case AU_surfxml_link_ctn_direction:
-  case A_surfxml_link_ctn_direction_NONE:
-    link_id = xbt_strdup(A_surfxml_link_ctn_id);
-    break;
-  case A_surfxml_link_ctn_direction_UP:
-    link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
-    break;
-  case A_surfxml_link_ctn_direction_DOWN:
-    link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
-    break;
-  }
-  xbt_dynar_push(link_list, &link_id);
+  src = A_surfxml_bypassASroute_src;
+  dst = A_surfxml_bypassASroute_dst;
+  gw_src = A_surfxml_bypassASroute_gw_src;
+  gw_dst = A_surfxml_bypassASroute_gw_dst;
+  xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+             "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+             src, dst,gw_src,gw_dst);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -225,13 +290,14 @@ static void routing_parse_link_ctn(void)
  */
 static void routing_parse_E_route(void)
 {
-  route_extended_t route = xbt_new0(s_route_extended_t, 1);
-  route->generic_route.link_list = link_list;
+  route_t route = xbt_new0(s_route_t, 1);
+  route->link_list = parsed_link_list;
   xbt_assert(current_routing->parse_route,
              "no defined method \"set_route\" in \"%s\"",
              current_routing->name);
   current_routing->parse_route(current_routing, src, dst, route);
-  link_list = NULL;
+  generic_free_route(route);
+  parsed_link_list = NULL;
   src = NULL;
   dst = NULL;
 }
@@ -241,15 +307,26 @@ static void routing_parse_E_route(void)
  */
 static void routing_parse_E_ASroute(void)
 {
-  route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
-  e_route->generic_route.link_list = link_list;
-  e_route->src_gateway = xbt_strdup(gw_src);
-  e_route->dst_gateway = xbt_strdup(gw_dst);
+  route_t e_route = xbt_new0(s_route_t, 1);
+  e_route->link_list = parsed_link_list;
+
+  if (!strcmp(current_routing->model_desc->name,"RuleBased")) {
+    // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields
+    // store the provided name instead of the entity directly (model_rulebased_parse_ASroute knows)
+    //
+    // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity
+    e_route->src_gateway = (sg_routing_edge_t) gw_src;
+    e_route->dst_gateway = (sg_routing_edge_t) gw_dst;
+  } else {
+    e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src);
+    e_route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst);
+  }
   xbt_assert(current_routing->parse_ASroute,
              "no defined method \"set_ASroute\" in \"%s\"",
              current_routing->name);
   current_routing->parse_ASroute(current_routing, src, dst, e_route);
-  link_list = NULL;
+  generic_free_route(e_route);
+  parsed_link_list = NULL;
   src = NULL;
   dst = NULL;
   gw_src = NULL;
@@ -261,15 +338,56 @@ static void routing_parse_E_ASroute(void)
  */
 static void routing_parse_E_bypassRoute(void)
 {
-  route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
-  e_route->generic_route.link_list = link_list;
-  e_route->src_gateway = xbt_strdup(gw_src);
-  e_route->dst_gateway = xbt_strdup(gw_dst);
+  route_t e_route = xbt_new0(s_route_t, 1);
+  e_route->link_list = parsed_link_list;
+
   xbt_assert(current_routing->parse_bypassroute,
              "Bypassing mechanism not implemented by routing '%s'",
              current_routing->name);
+
   current_routing->parse_bypassroute(current_routing, src, dst, e_route);
-  link_list = NULL;
+  parsed_link_list = NULL;
+  src = NULL;
+  dst = NULL;
+  gw_src = NULL;
+  gw_dst = NULL;
+}
+
+/**
+ * \brief Set a new link on the actual list of link for a route or ASroute from XML
+ */
+
+static void routing_parse_link_ctn(sg_platf_linkctn_cbarg_t linkctn)
+{
+  char *link_id;
+  switch (linkctn->direction) {
+  case SURF_LINK_DIRECTION_NONE:
+    link_id = xbt_strdup(linkctn->id);
+    break;
+  case SURF_LINK_DIRECTION_UP:
+    link_id = bprintf("%s_UP", linkctn->id);
+    break;
+  case SURF_LINK_DIRECTION_DOWN:
+    link_id = bprintf("%s_DOWN", linkctn->id);
+    break;
+  }
+  xbt_dynar_push(parsed_link_list, &link_id);
+}
+
+/**
+ * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
+ */
+static void routing_parse_E_bypassASroute(void)
+{
+  route_t e_route = xbt_new0(s_route_t, 1);
+  e_route->link_list = parsed_link_list;
+  e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src);
+  e_route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst);
+  xbt_assert(current_routing->parse_bypassroute,
+             "Bypassing mechanism not implemented by routing '%s'",
+             current_routing->name);
+  current_routing->parse_bypassroute(current_routing, src, dst, e_route);
+  parsed_link_list = NULL;
   src = NULL;
   dst = NULL;
   gw_src = NULL;
@@ -289,24 +407,25 @@ static void routing_parse_E_bypassRoute(void)
  * @param AS_id name of this autonomous system. Must be unique in the platform
  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
  */
-void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
+void routing_AS_begin(const char *AS_id, int wanted_routing_type)
 {
   AS_t new_as;
   routing_model_description_t model = NULL;
-  int cpt;
+
+  xbt_assert(!xbt_lib_get_or_null
+             (as_router_lib, AS_id, ROUTING_ASR_LEVEL),
+             "The AS \"%s\" already exists", AS_id);
 
   /* search the routing model */
-  for (cpt = 0; routing_models[cpt].name; cpt++)
-    if (!strcmp(wanted_routing_type, routing_models[cpt].name))
-      model = &routing_models[cpt];
-  /* if its not exist, error */
-  if (model == NULL) {
-    fprintf(stderr, "Routing model %s not found. Existing models:\n",
-            wanted_routing_type);
-    for (cpt = 0; routing_models[cpt].name; cpt++)
-      fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
-              routing_models[cpt].desc);
-    xbt_die(NULL);
+  switch(wanted_routing_type){
+    case A_surfxml_AS_routing_Cluster:       model = &routing_models[SURF_MODEL_CLUSTER];break;
+    case A_surfxml_AS_routing_Dijkstra:      model = &routing_models[SURF_MODEL_DIJKSTRA];break;
+    case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
+    case A_surfxml_AS_routing_Floyd:         model = &routing_models[SURF_MODEL_FLOYD];break;
+    case A_surfxml_AS_routing_Full:          model = &routing_models[SURF_MODEL_FULL];break;
+    case A_surfxml_AS_routing_None:          model = &routing_models[SURF_MODEL_NONE];break;
+    case A_surfxml_AS_routing_RuleBased:     model = &routing_models[SURF_MODEL_RULEBASED];break;
+    case A_surfxml_AS_routing_Vivaldi:       model = &routing_models[SURF_MODEL_VIVALDI];break;
   }
 
   /* make a new routing component */
@@ -315,13 +434,16 @@ void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
   new_as->hierarchy = SURF_ROUTING_NULL;
   new_as->name = xbt_strdup(AS_id);
 
-  if (current_routing == NULL && global_routing->root == NULL) {
+  sg_routing_edge_t info = NULL;
+  info = xbt_new0(s_network_element_t, 1);
+
+  if (current_routing == NULL && routing_platf->root == NULL) {
 
     /* it is the first one */
     new_as->routing_father = NULL;
-    global_routing->root = new_as;
-
-  } else if (current_routing != NULL && global_routing->root != NULL) {
+    routing_platf->root = new_as;
+    info->id = -1;
+  } else if (current_routing != NULL && routing_platf->root != NULL) {
 
     xbt_assert(!xbt_dict_get_or_null
                (current_routing->routing_sons, AS_id),
@@ -335,12 +457,23 @@ void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
     xbt_dict_set(current_routing->routing_sons, AS_id,
                  (void *) new_as, NULL);
     /* add to the father element list */
-    current_routing->parse_AS(current_routing, AS_id);
+    info->id = current_routing->parse_AS(current_routing, (void *) info);
   } else {
     THROWF(arg_error, 0, "All defined components must be belong to a AS");
   }
+
+  info->rc_component = new_as->routing_father;
+  info->rc_type = SURF_NETWORK_ELEMENT_AS;
+  info->name = new_as->name;
+
+  xbt_lib_set(as_router_lib, new_as->name, ROUTING_ASR_LEVEL,
+              (void *) info);
+  XBT_DEBUG("Having set name '%s' id '%d'",new_as->name,info->id);
+
   /* set the new current component of the tree */
   current_routing = new_as;
+  current_routing->net_elem = info;
+
 }
 
 /**
@@ -360,16 +493,6 @@ void routing_AS_end()
   if (current_routing == NULL) {
     THROWF(arg_error, 0, "Close an AS, but none was under construction");
   } else {
-    network_element_info_t info = NULL;
-    xbt_assert(!xbt_lib_get_or_null
-               (as_router_lib, current_routing->name, ROUTING_ASR_LEVEL),
-               "The AS \"%s\" already exists", current_routing->name);
-    info = xbt_new0(s_network_element_info_t, 1);
-    info->rc_component = current_routing->routing_father;
-    info->rc_type = SURF_NETWORK_ELEMENT_AS;
-    xbt_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL,
-                (void *) info);
-
     if (current_routing->model_desc->end)
       current_routing->model_desc->end(current_routing);
     current_routing = current_routing->routing_father;
@@ -387,7 +510,7 @@ void routing_AS_end()
  * Get the common father of the to processing units, and the first different 
  * father in the chain
  */
-static void elements_father(const char *src, const char *dst,
+static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
                             AS_t * res_father,
                             AS_t * res_src,
                             AS_t * res_dst)
@@ -405,19 +528,17 @@ static void elements_father(const char *src, const char *dst,
   AS_t father;
 
   /* (1) find the as where the src and dst are located */
-  network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
-                                                        ROUTING_HOST_LEVEL);
-  network_element_info_t 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);
+  sg_routing_edge_t src_data = src;
+  sg_routing_edge_t dst_data = dst;
   src_as = src_data->rc_component;
   dst_as = dst_data->rc_component;
+#ifndef NDEBUG
+  char* src_name = src_data->name;
+  char* dst_name = dst_data->name;
+#endif
 
   xbt_assert(src_as && dst_as,
-             "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
+             "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
 
   /* (2) find the path to the root routing component */
   for (current = src_as; current != NULL; current = current->routing_father) {
@@ -458,183 +579,104 @@ static void elements_father(const char *src, const char *dst,
  *
  * \param src the source host name 
  * \param dst the destination host name
- * \param *e_route the route where the links are stored
+ * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
  * \param *latency the latency, if needed
  * 
  * This function is called by "get_route" and "get_latency". It allows to walk
- * recursively through the routing components tree.
+ * recursively through the ASes tree.
  */
-static void _get_route_latency(const char *src, const char *dst,
-                               xbt_dynar_t * route, double *latency)
+static void _get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
+                                   xbt_dynar_t * links, double *latency)
 {
-  XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src, dst);
+  s_route_t route;
+  memset(&route,0,sizeof(route));
+
+  XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src->name, dst->name);
   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 
-  AS_t common_father;
-  AS_t src_father;
-  AS_t dst_father;
+  /* Find how src and dst are interconnected */
+  AS_t common_father, src_father, dst_father;
   elements_father(src, dst, &common_father, &src_father, &dst_father);
+  XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
+      common_father->name,src_father->name,dst_father->name);
+
+  /* Check whether a direct bypass is defined */
+  route_t e_route_bypass = NULL;
+  if (common_father->get_bypass_route)
+    e_route_bypass = common_father->get_bypass_route(common_father, src, dst, latency);
+
+  /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
+  if (e_route_bypass) {
+    xbt_dynar_merge(links, &e_route_bypass->link_list);
+    generic_free_route(e_route_bypass);
+    return;
+  }
 
+  /* If src and dst are in the same AS, life is good */
   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
+    route.link_list = *links;
+    common_father->get_route_and_latency(common_father, src, dst, &route,latency);
+    // if vivaldi latency+=vivaldi(src,dst)
+    return;
+  }
 
-    route_extended_t e_route = NULL;
-    if (route) {
-      e_route = common_father->get_route(common_father, src, dst);
-      xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
-      *route = e_route->generic_route.link_list;
-    }
-    if (latency) {
-      *latency = common_father->get_latency(common_father, src, dst, e_route);
-      xbt_assert(*latency >= 0.0,
-                 "latency error on route between \"%s\" and \"%s\"", src, dst);
-    }
-    if (e_route) {
-      xbt_free(e_route->src_gateway);
-      xbt_free(e_route->dst_gateway);
-      xbt_free(e_route);
-    }
-
-  } else {                      /* SURF_ROUTING_RECURSIVE */
-
-    route_extended_t e_route_bypass = NULL;
-    if (common_father->get_bypass_route)
-      e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
-
-    xbt_assert(!latency || !e_route_bypass,
-               "Bypass cannot work yet with get_latency");
+  /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
 
-    route_extended_t e_route_cnt = e_route_bypass
-        ? e_route_bypass : common_father->get_route(common_father,
-                                                    src_father->name,
-                                                    dst_father->name);
+  route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
+  // Find the net_card corresponding to father
+  sg_routing_edge_t src_father_net_elm = src_father->net_elem;
+  sg_routing_edge_t dst_father_net_elm = dst_father->net_elem;
 
-    xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
-               src_father->name, dst_father->name);
+  common_father->get_route_and_latency(common_father,
+                                       src_father_net_elm, dst_father_net_elm,
+                                       &route, latency);
 
-    xbt_assert((e_route_cnt->src_gateway == NULL) ==
-               (e_route_cnt->dst_gateway == NULL),
-               "bad gateway for route between \"%s\" and \"%s\"", src, dst);
+  xbt_assert((route.src_gateway != NULL) && (route.dst_gateway != NULL),
+      "bad gateways for route from \"%s\" to \"%s\"", src->name, dst->name);
 
-    if (route) {
-      *route = xbt_dynar_new(global_routing->size_of_link, NULL);
-    }
-    if (latency) {
-      *latency = common_father->get_latency(common_father,
-                                            src_father->name, dst_father->name,
-                                            e_route_cnt);
-      xbt_assert(*latency >= 0.0,
-                 "latency error on route between \"%s\" and \"%s\"",
-                 src_father->name, dst_father->name);
-    }
+  sg_routing_edge_t src_gateway_net_elm = route.src_gateway;
+  sg_routing_edge_t dst_gateway_net_elm = route.dst_gateway;
 
-    void *link;
-    unsigned int cpt;
-
-    if (strcmp(src, e_route_cnt->src_gateway)) {
-      double latency_src;
-      xbt_dynar_t route_src;
-
-      _get_route_latency(src, e_route_cnt->src_gateway,
-                         (route ? &route_src : NULL),
-                         (latency ? &latency_src : NULL));
-      if (route) {
-        xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
-                   src, e_route_cnt->src_gateway);
-        xbt_dynar_foreach(route_src, cpt, link) {
-          xbt_dynar_push(*route, &link);
-        }
-        xbt_dynar_free(&route_src);
-      }
-      if (latency) {
-        xbt_assert(latency_src >= 0.0,
-                   "latency error on route between \"%s\" and \"%s\"",
-                   src, e_route_cnt->src_gateway);
-        *latency += latency_src;
-      }
-    }
-
-    if (route) {
-      xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
-        xbt_dynar_push(*route, &link);
-      }
-    }
-
-    if (strcmp(e_route_cnt->dst_gateway, dst)) {
-      double latency_dst;
-      xbt_dynar_t route_dst;
-
-      _get_route_latency(e_route_cnt->dst_gateway, dst,
-                         (route ? &route_dst : NULL),
-                         (latency ? &latency_dst : NULL));
-      if (route) {
-        xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
-                   e_route_cnt->dst_gateway, dst);
-        xbt_dynar_foreach(route_dst, cpt, link) {
-          xbt_dynar_push(*route, &link);
-        }
-        xbt_dynar_free(&route_dst);
-      }
-      if (latency) {
-        xbt_assert(latency_dst >= 0.0,
-                   "latency error on route between \"%s\" and \"%s\"",
-                   e_route_cnt->dst_gateway, dst);
-        *latency += latency_dst;
-      }
-    }
-
-    generic_free_extended_route(e_route_cnt);
-  }
-}
+  /* If source gateway is not our source, we have to recursively find our way up to this point */
+  if (src != src_gateway_net_elm)
+    _get_route_and_latency(src, src_gateway_net_elm, links, latency);
+  xbt_dynar_merge(links, &route.link_list);
 
-/**
- * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
- */
-void routing_get_route_and_latency(const char *src, const char *dst,
-                              xbt_dynar_t * route, double *latency, int cleanup)
-{
-  static xbt_dynar_t last_route = NULL;
+  /* If dest gateway is not our destination, we have to recursively find our way from this point */
+  if (dst_gateway_net_elm != dst)
+    _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
 
-  _get_route_latency(src, dst, route, latency);
-  xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
-  xbt_assert(!latency || *latency >= 0.0,
-             "latency error on route between \"%s\" and \"%s\"", src, dst);
-  if (route) {
-    xbt_dynar_free(&last_route);
-    last_route = cleanup ? *route : NULL;
-  }
+  // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
 }
 
 /**
  * \brief Find a route between hosts
  *
- * \param src the source host name 
- * \param dst the destination host name
- * 
- * walk through the routing components tree and find a route between hosts
- * by calling the differents "get_route" functions in each routing component.
- * No need to free the returned dynar. It will be freed at the next call.
- */
-xbt_dynar_t routing_get_route(const char *src, const char *dst) {
-  xbt_dynar_t route = NULL;
-  routing_get_route_and_latency(src, dst, &route, NULL, 1);
-  return route;
-}
-
-/**
- * \brief Generic method: find a route between hosts
- *
- * \param src the source host name
- * \param dst the destination host name
+ * \param src the network_element_t for src host
+ * \param dst the network_element_t for dst host
+ * \param route where to store the list of links.
+ *              If *route=NULL, create a short lived dynar. Else, fill the provided dynar
+ * \param latency where to store the latency experienced on the path (or NULL if not interested)
+ *                It is the caller responsability to initialize latency to 0 (we add to provided route)
+ * \pre route!=NULL
  *
  * walk through the routing components tree and find a route between hosts
  * by calling the differents "get_route" functions in each routing component.
- * Leaves the caller the responsability to clean the returned dynar.
  */
-static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
+void routing_get_route_and_latency(sg_routing_edge_t src,
+                                   sg_routing_edge_t dst,
+                                   xbt_dynar_t * route, double *latency)
 {
-  xbt_dynar_t route = NULL;
-  routing_get_route_and_latency(src, dst, &route, NULL, 0);
-  return route;
+  XBT_DEBUG("routing_get_route_and_latency from %s to %s",src->name,dst->name);
+  if (!*route) {
+    xbt_dynar_reset(routing_platf->last_route);
+    *route = routing_platf->last_route;
+  }
+
+  _get_route_and_latency(src, dst, route, latency);
+
+  xbt_assert(!latency || *latency >= 0.0,
+             "negative latency on route between \"%s\" and \"%s\"", src->name, dst->name);
 }
 
 static xbt_dynar_t recursive_get_onelink_routes(AS_t rc)
@@ -642,43 +684,30 @@ static xbt_dynar_t recursive_get_onelink_routes(AS_t rc)
   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 
   //adding my one link routes
-  unsigned int cpt;
-  void *link;
   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
-  if (onelink_mine) {
-    xbt_dynar_foreach(onelink_mine, cpt, link) {
-      xbt_dynar_push(ret, &link);
-    }
-  }
+  if (onelink_mine)
+    xbt_dynar_merge(&ret,&onelink_mine);
+
   //recursing
   char *key;
   xbt_dict_cursor_t cursor = NULL;
   AS_t rc_child;
   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
-    if (onelink_child) {
-      xbt_dynar_foreach(onelink_child, cpt, link) {
-        xbt_dynar_push(ret, &link);
-      }
-    }
+    if (onelink_child)
+      xbt_dynar_merge(&ret,&onelink_child);
   }
   return ret;
 }
 
 static xbt_dynar_t get_onelink_routes(void)
 {
-  return recursive_get_onelink_routes(global_routing->root);
+  return recursive_get_onelink_routes(routing_platf->root);
 }
 
 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
 {
-  network_element_info_t rc = NULL;
-
-  rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
-  if (rc)
-    return rc->rc_type;
-
-  rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+  sg_routing_edge_t rc = sg_routing_edge_by_name_or_null(name);
   if (rc)
     return rc->rc_type;
 
@@ -690,15 +719,14 @@ e_surf_network_element_type_t routing_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)
+void routing_model_create( void *loopback)
 {
   /* config the uniq global routing */
-  global_routing = xbt_new0(s_routing_global_t, 1);
-  global_routing->root = NULL;
-  global_routing->get_route_no_cleanup = get_route_no_cleanup;
-  global_routing->get_onelink_routes = get_onelink_routes;
-  global_routing->loopback = loopback;
-  global_routing->size_of_link = size_of_links;
+  routing_platf = xbt_new0(s_routing_platf_t, 1);
+  routing_platf->root = NULL;
+  routing_platf->get_onelink_routes = get_onelink_routes;
+  routing_platf->loopback = loopback;
+  routing_platf->last_route = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
   /* no current routing at moment */
   current_routing = NULL;
 }
@@ -750,6 +778,82 @@ void routing_model_create(size_t size_of_links, void *loopback)
 /* ************************************************************************** */
 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 
+void routing_cluster_add_backbone(void* bb) {
+  xbt_assert(current_routing->model_desc == &routing_models[SURF_MODEL_CLUSTER],
+        "You have to be in model Cluster to use tag backbone!");
+  xbt_assert(!((as_cluster_t)current_routing)->backbone,"The backbone link is already defined!");
+  ((as_cluster_t)current_routing)->backbone = bb;
+  XBT_DEBUG("Add a backbone to AS '%s'",current_routing->name);
+}
+
+static void routing_parse_cabinet(sg_platf_cabinet_cbarg_t cabinet)
+{
+  int start, end, i;
+  char *groups , *host_id , *link_id = NULL;
+  unsigned int iter;
+  xbt_dynar_t radical_elements;
+  xbt_dynar_t radical_ends;
+
+  //Make all hosts
+  radical_elements = xbt_str_split(cabinet->radical, ",");
+  xbt_dynar_foreach(radical_elements, iter, groups) {
+
+    radical_ends = xbt_str_split(groups, "-");
+    start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
+
+    switch (xbt_dynar_length(radical_ends)) {
+    case 1:
+      end = start;
+      break;
+    case 2:
+      end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
+      break;
+    default:
+      surf_parse_error("Malformed radical");
+      break;
+    }
+    s_sg_platf_host_cbarg_t host;
+    memset(&host, 0, sizeof(host));
+    host.initial_state = SURF_RESOURCE_ON;
+    host.power_peak = cabinet->power;
+    host.power_scale = 1.0;
+    host.core_amount = 1;
+
+    s_sg_platf_link_cbarg_t link;
+    memset(&link, 0, sizeof(link));
+    link.state = SURF_RESOURCE_ON;
+    link.policy = SURF_LINK_FULLDUPLEX;
+    link.latency = cabinet->lat;
+    link.bandwidth = cabinet->bw;
+
+    s_sg_platf_host_link_cbarg_t host_link;
+    memset(&host_link, 0, sizeof(host_link));
+
+    for (i = start; i <= end; i++) {
+      host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
+      link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
+      host.id = host_id;
+      link.id = link_id;
+      sg_platf_new_host(&host);
+      sg_platf_new_link(&link);
+
+      char* link_up = bprintf("%s_UP",link_id);
+      char* link_down = bprintf("%s_DOWN",link_id);
+      host_link.id = host_id;
+      host_link.link_up = link_up;
+      host_link.link_down= link_down;
+      sg_platf_new_host_link(&host_link);
+
+      free(host_id);
+      free(link_id);
+      free(link_up);
+      free(link_down);
+    }
+
+    xbt_dynar_free(&radical_ends);
+  }
+  xbt_dynar_free(&radical_elements);
+}
 
 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 {
@@ -764,17 +868,19 @@ static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
   xbt_dynar_t radical_elements;
   xbt_dynar_t radical_ends;
 
-  if (strcmp(cluster->availability_trace, "")
-      || strcmp(cluster->state_trace, "")) {
-    patterns = xbt_dict_new();
-    xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), free);
-    xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), free);
-    xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), free);
+  if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
+      || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
+    patterns = xbt_dict_new_homogeneous(xbt_free_f);
+    xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
+    xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
+    xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
   }
 
-
   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
-  sg_platf_new_AS_begin(cluster->id, "Cluster");
+  sg_platf_new_AS_begin(cluster->id, A_surfxml_AS_routing_Cluster);
+
+  current_routing->link_up_down_list
+            = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
 
   //Make all hosts
   radical_elements = xbt_str_split(cluster->radical, ",");
@@ -803,20 +909,20 @@ static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 
       memset(&host, 0, sizeof(host));
       host.id = host_id;
-      if (strcmp(cluster->availability_trace, "")) {
-        xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
+      if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
+        xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
-        host.power_trace = tmgr_trace_new(avail_file);
+        host.power_trace = tmgr_trace_new_from_file(avail_file);
         xbt_free(avail_file);
       } else {
         XBT_DEBUG("\tavailability_file=\"\"");
       }
 
-      if (strcmp(cluster->state_trace, "")) {
+      if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
-        host.state_trace = tmgr_trace_new(avail_file);
+        host.state_trace = tmgr_trace_new_from_file(avail_file);
         xbt_free(avail_file);
       } else {
         XBT_DEBUG("\tstate_file=\"\"");
@@ -841,23 +947,22 @@ static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
       link.policy = cluster->sharing_policy;
       sg_platf_new_link(&link);
 
-      surf_parsing_link_up_down_t info =
-          xbt_new0(s_surf_parsing_link_up_down_t, 1);
+      s_surf_parsing_link_up_down_t info;
+
       if (link.policy == SURF_LINK_FULLDUPLEX) {
         char *tmp_link = bprintf("%s_UP", link_id);
-        info->link_up =
+        info.link_up =
             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
         free(tmp_link);
         tmp_link = bprintf("%s_DOWN", link_id);
-        info->link_down =
+        info.link_down =
             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
         free(tmp_link);
       } else {
-        info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
-        info->link_down = info->link_up;
+        info.link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
+        info.link_down = info.link_up;
       }
-      surf_routing_cluster_add_link(host_id, info);
-
+      xbt_dynar_push(current_routing->link_up_down_list,&info);
       xbt_free(link_id);
       xbt_free(host_id);
     }
@@ -897,7 +1002,7 @@ static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 
     sg_platf_new_link(&link);
 
-    surf_routing_cluster_add_backbone(current_routing, xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
+    routing_cluster_add_backbone(xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
 
     free(link_backbone);
   }
@@ -914,28 +1019,12 @@ static void routing_parse_postparse(void) {
 
 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
 {
-  static int AX_ptr = 0;
   char *host_id = NULL;
-  char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
-
-  static unsigned int surfxml_buffer_stack_stack_ptr = 1;
-  static unsigned int surfxml_buffer_stack_stack[1024];
-
-  surfxml_buffer_stack_stack[0] = 0;
-
-  surfxml_bufferstack_push(1);
-
-  XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
-  sg_platf_new_AS_begin(peer->id, "Full");
+  char *link_id;
 
   XBT_DEBUG(" ");
   host_id = HOST_PEER(peer->id);
-  router_id = ROUTER_PEER(peer->id);
-  link_id_up = LINK_UP_PEER(peer->id);
-  link_id_down = LINK_DOWN_PEER(peer->id);
-
-  link_router = bprintf("%s_link_router", peer->id);
-  link_backbone = bprintf("%s_backbone", peer->id);
+  link_id = LINK_PEER(peer->id);
 
   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
   s_sg_platf_host_cbarg_t host;
@@ -947,82 +1036,44 @@ static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
   host.power_trace = peer->availability_trace;
   host.state_trace = peer->state_trace;
   host.core_amount = 1;
+  host.coord = peer->coord;
   sg_platf_new_host(&host);
 
-
-  XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
-  s_sg_platf_router_cbarg_t router;
-  memset(&router, 0, sizeof(router));
-  router.id = router_id;
-  router.coord = peer->coord;
-  sg_platf_new_router(&router);
-
-  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
-            peer->bw_in, peer->lat);
   s_sg_platf_link_cbarg_t link;
   memset(&link, 0, sizeof(link));
   link.state = SURF_RESOURCE_ON;
   link.policy = SURF_LINK_SHARED;
-  link.id = link_id_up;
-  link.bandwidth = peer->bw_in;
   link.latency = peer->lat;
-  sg_platf_new_link(&link);
 
-  // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
-  // Instead, it should be created fullduplex, and the models will do what's needed in this case
-  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
+  char* link_up = bprintf("%s_UP",link_id);
+  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
             peer->bw_out, peer->lat);
-  link.id = link_id_down;
+  link.id = link_up;
+  link.bandwidth = peer->bw_out;
   sg_platf_new_link(&link);
 
-  XBT_DEBUG(" ");
+  char* link_down = bprintf("%s_DOWN",link_id);
+  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
+            peer->bw_in, peer->lat);
+  link.id = link_down;
+  link.bandwidth = peer->bw_in;
+  sg_platf_new_link(&link);
 
-  // begin here
-  XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
-  XBT_DEBUG("symmetrical=\"NO\">");
-  SURFXML_BUFFER_SET(route_src, host_id);
-  SURFXML_BUFFER_SET(route_dst, router_id);
-  A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
-  SURFXML_START_TAG(route);
-
-  XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
-  SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
-  A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
-  SURFXML_START_TAG(link_ctn);
-  SURFXML_END_TAG(link_ctn);
-
-  XBT_DEBUG("</route>");
-  SURFXML_END_TAG(route);
-
-  //Opposite Route
-  XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
-  XBT_DEBUG("symmetrical=\"NO\">");
-  SURFXML_BUFFER_SET(route_src, router_id);
-  SURFXML_BUFFER_SET(route_dst, host_id);
-  A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
-  SURFXML_START_TAG(route);
-
-  XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
-  SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
-  A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
-  SURFXML_START_TAG(link_ctn);
-  SURFXML_END_TAG(link_ctn);
-
-  XBT_DEBUG("</route>");
-  SURFXML_END_TAG(route);
+  XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
+  s_sg_platf_host_link_cbarg_t host_link;
+  memset(&host_link, 0, sizeof(host_link));
+  host_link.id = host_id;
+  host_link.link_up = link_up;
+  host_link.link_down= link_down;
+  sg_platf_new_host_link(&host_link);
 
-  XBT_DEBUG("</AS>");
-  sg_platf_new_AS_end();
   XBT_DEBUG(" ");
 
   //xbt_dynar_free(&tab_elements_num);
   free(host_id);
-  free(router_id);
-  free(link_router);
-  free(link_backbone);
-  free(link_id_up);
-  free(link_id_down);
-  surfxml_bufferstack_pop(1);
+  free(link_id);
+  free(link_up);
+  free(link_down);
 }
 
 static void routing_parse_Srandom(void)
@@ -1049,7 +1100,24 @@ static void routing_parse_Srandom(void)
   int start, end;
   xbt_dynar_t radical_ends;
 
-  random->generator = A_surfxml_random_generator;
+  switch (A_surfxml_random_generator) {
+  case AU_surfxml_random_generator:
+  case A_surfxml_random_generator_NONE:
+    random->generator = NONE;
+    break;
+  case A_surfxml_random_generator_DRAND48:
+    random->generator = DRAND48;
+    break;
+  case A_surfxml_random_generator_RAND:
+    random->generator = RAND;
+    break;
+  case A_surfxml_random_generator_RNGSTREAM:
+    random->generator = RNGSTREAM;
+    break;
+  default:
+    surf_parse_error("Invalid random generator");
+    break;
+  }
   random->seed = seed;
   random->min = min;
   random->max = max;
@@ -1073,15 +1141,15 @@ static void routing_parse_Srandom(void)
   XBT_DEBUG
       ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
        random_id, random->min, random->max, random->mean, random->std,
-       random->generator, random->seed, random_radical);
+       (int)random->generator, random->seed, random_radical);
 
   if (!random_value)
-    random_value = xbt_dict_new();
+    random_value = xbt_dict_new_homogeneous(free);
 
   if (!strcmp(random_radical, "")) {
     res = random_generate(random);
     rd_value = bprintf("%f", res);
-    xbt_dict_set(random_value, random_id, rd_value, free);
+    xbt_dict_set(random_value, random_id, rd_value, NULL);
   } else {
     radical_elements = xbt_str_split(random_radical, ",");
     xbt_dynar_foreach(radical_elements, iter, groups) {
@@ -1094,7 +1162,7 @@ static void routing_parse_Srandom(void)
         tmpbuf =
             bprintf("%s%d", random_id,
                     atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
-        xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
+        xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
         xbt_free(tmpbuf);
         break;
 
@@ -1108,18 +1176,18 @@ static void routing_parse_Srandom(void)
                                                                     i));
           res = random_generate(random);
           tmpbuf = bprintf("%s%d", random_id, i);
-          xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
+          xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
           xbt_free(tmpbuf);
         }
         break;
       default:
-        XBT_INFO("Malformed radical");
+        XBT_CRITICAL("Malformed radical");
         break;
       }
       res = random_generate(random);
       rd_name = bprintf("%s_router", random_id);
       rd_value = bprintf("%f", res);
-      xbt_dict_set(random_value, rd_name, rd_value, free);
+      xbt_dict_set(random_value, rd_name, rd_value, NULL);
 
       xbt_dynar_free(&radical_ends);
     }
@@ -1132,6 +1200,7 @@ void routing_register_callbacks()
 {
   sg_platf_host_add_cb(parse_S_host);
   sg_platf_router_add_cb(parse_S_router);
+  sg_platf_host_link_add_cb(parse_S_host_link);
 
   surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
 
@@ -1139,19 +1208,28 @@ void routing_register_callbacks()
   surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
                        &routing_parse_S_bypassRoute);
-
-  surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
+  surfxml_add_callback(STag_surfxml_bypassASroute_cb_list,
+                       &routing_parse_S_bypassASroute);
 
   surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
   surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
                        &routing_parse_E_bypassRoute);
+  surfxml_add_callback(ETag_surfxml_bypassASroute_cb_list,
+                       &routing_parse_E_bypassASroute);
 
   sg_platf_cluster_add_cb(routing_parse_cluster);
+  sg_platf_cabinet_add_cb(routing_parse_cabinet);
 
   sg_platf_peer_add_cb(routing_parse_peer);
   sg_platf_postparse_add_cb(routing_parse_postparse);
 
+  sg_platf_linkctn_add_cb(routing_parse_link_ctn);
+
+  /* we care about the ASes while parsing the platf. Incredible, isnt it? */
+  sg_platf_AS_end_add_cb(routing_AS_end);
+  sg_platf_AS_begin_add_cb(routing_AS_begin);
+
 #ifdef HAVE_TRACING
   instr_routing_define_callbacks();
 #endif
@@ -1179,8 +1257,9 @@ static void finalize_rec(AS_t as) {
 
 /** \brief Frees all memory allocated by the routing module */
 void routing_exit(void) {
-  if (!global_routing)
+  if (!routing_platf)
     return;
-  finalize_rec(global_routing->root);
-  xbt_free(global_routing);
+  xbt_dynar_free(&routing_platf->last_route);
+  finalize_rec(routing_platf->root);
+  xbt_free(routing_platf);
 }