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Do routing parse before tracing parse
[simgrid.git] / src / surf / surf_routing.c
index 701eabf..c2dbd83 100644 (file)
@@ -19,7 +19,7 @@ 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_lib_t link_lib;
@@ -34,12 +34,21 @@ int NS3_ASR_LEVEL;              //host node for ns3
 
 static xbt_dict_t random_value = NULL;
 
+xbt_lib_t storage_lib;
+int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
+int ROUTING_STORAGE_HOST_LEVEL;
+int SURF_STORAGE_LEVEL;
+
+xbt_lib_t storage_type_lib;
+int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
+
 /* Global vars */
 routing_global_t global_routing = 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 */
+xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
 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 */
@@ -93,24 +102,42 @@ struct s_model_type routing_models[] = {
  */
 static void parse_S_host(sg_platf_host_cbarg_t host)
 {
-  network_element_info_t info = NULL;
+  network_element_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 +146,38 @@ 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;
+  network_element_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);
+  XBT_DEBUG("Having set name '%s' id '%d'",router->id,info->id);
+
   if (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);
   }
 }
 
@@ -148,7 +187,7 @@ 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)
+  if (src != NULL && dst != NULL && parsed_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;
@@ -156,7 +195,7 @@ static void routing_parse_S_route(void)
   xbt_assert(strlen(src) > 0 || strlen(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);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -164,7 +203,7 @@ static void routing_parse_S_route(void)
  */
 static void routing_parse_S_ASroute(void)
 {
-  if (src != NULL && dst != NULL && link_list != NULL)
+  if (src != NULL && dst != NULL && parsed_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;
@@ -175,7 +214,7 @@ static void routing_parse_S_ASroute(void)
              || 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);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -183,7 +222,7 @@ static void routing_parse_S_ASroute(void)
  */
 static void routing_parse_S_bypassRoute(void)
 {
-  if (src != NULL && dst != NULL && link_list != NULL)
+  if (src != NULL && dst != NULL && parsed_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);
@@ -195,7 +234,7 @@ static void routing_parse_S_bypassRoute(void)
              || 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);
+  parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 }
 
 /**
@@ -217,7 +256,7 @@ static void routing_parse_link_ctn(void)
     link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
     break;
   }
-  xbt_dynar_push(link_list, &link_id);
+  xbt_dynar_push(parsed_link_list, &link_id);
 }
 
 /**
@@ -225,13 +264,14 @@ 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 +281,27 @@ 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")) {
+    e_route->src_gateway = (network_element_t) gw_src; // DIRTY HACK possible only
+    e_route->dst_gateway = (network_element_t) gw_dst; // because of what is in routing_parse_E_ASroute
+  }
+  else{
+  e_route->src_gateway =  ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_src,ROUTING_ASR_LEVEL));
+  if(!e_route->src_gateway)
+    e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_src,ROUTING_HOST_LEVEL));
+  e_route->dst_gateway =  ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_dst,ROUTING_ASR_LEVEL));
+  if(!e_route->dst_gateway)
+    e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_dst,ROUTING_HOST_LEVEL));
+  }
   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 +313,19 @@ 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;
+  e_route->src_gateway =  ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_src,ROUTING_ASR_LEVEL));
+  if(!e_route->src_gateway)
+    e_route->src_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_src,ROUTING_HOST_LEVEL));
+  e_route->dst_gateway =  ((network_element_t)xbt_lib_get_or_null(as_router_lib,gw_dst,ROUTING_ASR_LEVEL));
+  if(!e_route->dst_gateway)
+    e_route->dst_gateway = ((network_element_t)xbt_lib_get_or_null(host_lib,gw_dst,ROUTING_HOST_LEVEL));
   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;
@@ -295,6 +351,10 @@ void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
   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))
@@ -306,7 +366,7 @@ void routing_AS_begin(const char *AS_id, const char *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);
+    xbt_die("dying");
   }
 
   /* make a new routing component */
@@ -315,12 +375,15 @@ 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);
 
+  network_element_t info = NULL;
+  info = xbt_new0(s_network_element_t, 1);
+
   if (current_routing == NULL && global_routing->root == NULL) {
 
     /* it is the first one */
     new_as->routing_father = NULL;
     global_routing->root = new_as;
-
+    info->id = -1;
   } else if (current_routing != NULL && global_routing->root != NULL) {
 
     xbt_assert(!xbt_dict_get_or_null
@@ -335,12 +398,23 @@ 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 +434,6 @@ 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 +451,7 @@ 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(network_element_t src, network_element_t dst,
                             AS_t * res_father,
                             AS_t * res_src,
                             AS_t * res_dst)
@@ -405,19 +469,15 @@ 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);
+  network_element_t src_data = src;
+  network_element_t dst_data = dst;
   src_as = src_data->rc_component;
   dst_as = dst_data->rc_component;
+  char* src_name = src_data->name;
+  char* dst_name = dst_data->name;
 
   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 +518,108 @@ 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(network_element_t src, network_element_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);
 
+  /* If src and dst are in the same AS, life is good */
   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 
-    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);
-    }
+    route.link_list = *links;
 
-  } else {                      /* SURF_ROUTING_RECURSIVE */
+    common_father->get_route_and_latency(common_father, src, dst, &route,latency);
+    return;
+  }
 
-    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);
+  /* If we are here, src and dst are not in the same AS; check whether a direct bypass is defined */
 
-    xbt_assert(!latency || !e_route_bypass,
-               "Bypass cannot work yet with get_latency");
+  route_t e_route_bypass = NULL;
+  if (common_father->get_bypass_route)
+    e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
 
-    route_extended_t e_route_cnt = e_route_bypass
-        ? e_route_bypass : common_father->get_route(common_father,
-                                                    src_father->name,
-                                                    dst_father->name);
+  if (e_route_bypass) { /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
+    if (latency)
+      xbt_die("Bypass cannot work yet with get_latency"); // FIXME: get_bypass_route should update the latency itself, just like get_route
 
-    xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
-               src_father->name, dst_father->name);
+//    // FIXME this path is never tested. I need examples to check the bypass mechanism...
+//    THROW_UNIMPLEMENTED; // let's warn the users of the problem
+    xbt_dynar_merge(links,&(e_route_bypass->link_list));
+    generic_free_route(e_route_bypass);
+    return;
+  }
 
-    xbt_assert((e_route_cnt->src_gateway == NULL) ==
-               (e_route_cnt->dst_gateway == NULL),
-               "bad gateway for route between \"%s\" and \"%s\"", src, dst);
+  /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
 
-    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);
-    }
+  route.link_list = xbt_dynar_new(global_routing->size_of_link, NULL);
+  // Find the net_card corresponding to father
+  network_element_t src_father_net_elm = src_father->net_elem;
+  network_element_t dst_father_net_elm = dst_father->net_elem;
 
-    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;
-      }
-    }
+  common_father->get_route_and_latency(common_father, src_father_net_elm, dst_father_net_elm, &route,latency);
 
-    if (route) {
-      xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
-        xbt_dynar_push(*route, &link);
-      }
-    }
+  xbt_assert((route.src_gateway != NULL) && (route.dst_gateway != NULL),
+      "bad gateways for route from \"%s\" to \"%s\"", src->name, dst->name);
 
-    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;
-      }
-    }
+  network_element_t src_gateway_net_elm = route.src_gateway;
+  network_element_t dst_gateway_net_elm = route.dst_gateway;
 
-    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 (strcmp(src->name, src_gateway_net_elm->name))
+    _get_route_and_latency(src, src_gateway_net_elm, links, latency);
 
-/**
- * \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;
+  xbt_dynar_merge(links,&(route.link_list));
 
-  _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 dest gateway is not our destination, we have to recursively find our way from this point */
+  // FIXME why can't I factorize it the same way than [src;src_gw] without breaking the examples??
+  if (strcmp(dst_gateway_net_elm->name, dst->name)) {
+    _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
   }
+  xbt_dynar_free(&route.link_list);
 }
 
 /**
  * \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(network_element_t src, network_element_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;
+  if (!*route) {
+    xbt_dynar_reset(global_routing->last_route);
+    *route = global_routing->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)
@@ -642,25 +627,18 @@ 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;
 }
@@ -672,7 +650,7 @@ static xbt_dynar_t get_onelink_routes(void)
 
 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
 {
-  network_element_info_t rc = NULL;
+  network_element_t rc = NULL;
 
   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
   if (rc)
@@ -695,10 +673,10 @@ 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);
   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;
+  global_routing->last_route = xbt_dynar_new(global_routing->size_of_link,NULL);
   /* no current routing at moment */
   current_routing = NULL;
 }
@@ -750,6 +728,88 @@ void routing_model_create(size_t size_of_links, void *loopback)
 /* ************************************************************************** */
 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 
+static void routing_parse_storage(sg_platf_storage_cbarg_t storage)
+{
+  xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
+               "Reading a storage, processing unit \"%s\" already exists", storage->id);
+
+  // Verification of an existing type_id
+  void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
+  xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
+
+  XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s'",
+      storage->id,
+      storage->type_id);
+
+  xbt_lib_set(storage_lib,
+      storage->id,
+      ROUTING_STORAGE_LEVEL,
+      (void *) xbt_strdup(storage->type_id));
+}
+static void routing_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
+{
+  xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
+               "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
+
+  storage_type_t stype = xbt_new0(s_storage_type_t, 1);
+  stype->model = xbt_strdup(storage_type->model);
+  stype->properties = storage_type->properties;
+  stype->content = xbt_strdup(storage_type->content);
+  stype->type_id = xbt_strdup(storage_type->id);
+
+  XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s' and properties '%p'",
+      stype->type_id,
+      stype->model,
+      stype->content,
+      stype->properties);
+
+  xbt_lib_set(storage_type_lib,
+      stype->type_id,
+      ROUTING_STORAGE_TYPE_LEVEL,
+      (void *) stype);
+}
+static void routing_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
+{
+  THROW_UNIMPLEMENTED;
+//  mount_t mnt = xbt_new0(s_mount_t, 1);
+//  mnt->id = xbt_strdup(mstorage->type_id);
+//  mnt->name = xbt_strdup(mstorage->name);
+//
+//  if(!mount_list){
+//    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
+//    mount_list = xbt_dynar_new(sizeof(char *), NULL);
+//  }
+//  xbt_dynar_push(mount_list,(void *) mnt);
+//  free(mnt->id);
+//  free(mnt->name);
+//  xbt_free(mnt);
+//  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
+}
+
+static void mount_free(void *p)
+{
+  mount_t mnt = p;
+  xbt_free(mnt->name);
+}
+
+static void routing_parse_mount(sg_platf_mount_cbarg_t mount)
+{
+  // Verification of an existing storage
+  void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
+  xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
+
+  XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
+
+  s_mount_t mnt;
+  mnt.id = surf_storage_resource_by_name(mount->id);
+  mnt.name = xbt_strdup(mount->name);
+
+  if(!mount_list){
+    XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
+    mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
+  }
+  xbt_dynar_push(mount_list,&mnt);
+}
 
 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 {
@@ -766,16 +826,18 @@ static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
 
   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);
+    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");
 
+  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, ",");
   xbt_dynar_foreach(radical_elements, iter, groups) {
@@ -804,7 +866,7 @@ 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);
+        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);
@@ -841,23 +903,22 @@ 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);
     }
@@ -947,6 +1008,7 @@ 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);
 
 
@@ -1049,7 +1111,24 @@ 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 +1152,15 @@ 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 +1173,7 @@ 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 +1187,18 @@ 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);
     }
@@ -1152,6 +1231,15 @@ void routing_register_callbacks()
   sg_platf_peer_add_cb(routing_parse_peer);
   sg_platf_postparse_add_cb(routing_parse_postparse);
 
+  sg_platf_storage_add_cb(routing_parse_storage);
+  sg_platf_mstorage_add_cb(routing_parse_mstorage);
+  sg_platf_storage_type_add_cb(routing_parse_storage_type);
+  sg_platf_mount_add_cb(routing_parse_mount);
+
+  /* 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
@@ -1181,6 +1269,7 @@ static void finalize_rec(AS_t as) {
 void routing_exit(void) {
   if (!global_routing)
     return;
+  xbt_dynar_free(&global_routing->last_route);
   finalize_rec(global_routing->root);
   xbt_free(global_routing);
 }