Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Compile with flag NDEBUG.
[simgrid.git] / src / surf / surf_routing.c
index 1e3ba3d..5332cc6 100644 (file)
 #include "xbt/config.h"
 #include "xbt/graph.h"
 #include "xbt/set.h"
+#include "surf/surfxml_parse.h"
+
+xbt_dict_t patterns = NULL;
+xbt_dict_t random_value = NULL;
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
 
@@ -63,10 +67,14 @@ static void model_none_end(void);       /* none routing model */
 
 static void routing_parse_Scluster(void);  /*cluster bypass */
 static void routing_parse_Speer(void);         /*peer bypass */
+static void routing_parse_Srandom(void);       /*random bypass */
+static void routing_parse_Erandom(void);       /*random bypass */
 
 static void routing_parse_Sconfig(void);        /*config Tag */
 static void routing_parse_Econfig(void);        /*config Tag */
 
+static char* replace_random_parameter(char * chaine);
+
 /* this lines are only for replace use like index in the model table */
 typedef enum {
   SURF_MODEL_FULL = 0,
@@ -175,8 +183,7 @@ static double eculidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
 
 }
 
-static double vivaldi_get_link_latency (routing_component_t rc,
-                                                                                                                                                               const char *src, const char *dst)
+static double vivaldi_get_link_latency (routing_component_t rc,const char *src, const char *dst)
 {
   double euclidean_dist;
   xbt_dynar_t src_ctn, dst_ctn;
@@ -289,9 +296,6 @@ static void parse_S_router(void)
   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
   xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
                (void *) info, xbt_free);
-#ifdef HAVE_TRACING
-  TRACE_surf_host_declaration(A_surfxml_router_id, 0);
-#endif
   if (strcmp(A_surfxml_router_coordinates,"")) {
        xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
        xbt_dynar_shrink(ctn,0);
@@ -543,6 +547,13 @@ static void parse_S_AS(char *AS_id, char *AS_routing)
 static void parse_S_AS_XML(void)
 {
   parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
+
+  if (strcmp(A_surfxml_AS_coordinates,"")) {
+       DEBUG2("%s coordinates : %s",A_surfxml_AS_id,A_surfxml_AS_coordinates);
+       xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_AS_coordinates, " ");
+       xbt_dynar_shrink(ctn,0);
+       xbt_dict_set (coordinates,A_surfxml_AS_id,ctn,NULL);
+  }
 }
 
 /*
@@ -602,6 +613,24 @@ static void parse_E_AS_lua(const char *id)
 
 /* Aux Business methods */
 
+/**
+ * \brief Get the AS name of the element
+ *
+ * \param name the host name
+ *
+ */
+static char* elements_As_name(const char *name)
+{
+  routing_component_t as_comp;
+
+  /* (1) find the as where the host is located */
+  as_comp = ((network_element_info_t)
+            xbt_dict_get_or_null(global_routing->where_network_elements,
+                                 name))->rc_component;
+  return as_comp->name;
+}
+
+
 /**
  * \brief Get the AS father and the first elements of the chain
  *
@@ -804,7 +833,6 @@ static double _get_latency(const char *src, const char *dst)
   double latency, latency_src, latency_dst = 0.0;
 
   DEBUG2("Solve route  \"%s\" to \"%s\"", src, dst);
-
   xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
 
   route_extended_t e_route_cnt;
@@ -828,7 +856,6 @@ static double _get_latency(const char *src, const char *dst)
      } else latency = 0;
   } 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);
@@ -847,8 +874,9 @@ static double _get_latency(const char *src, const char *dst)
                 "bad gateway for route between \"%s\" and \"%s\"", src,
                 dst);            
     latency =
-          (*(common_father->get_latency)) (common_father, e_route_cnt->src_gateway,
-                                         e_route_cnt->src_gateway);
+          (*(common_father->get_latency)) (common_father, elements_As_name(src),
+                         elements_As_name(dst));
+
     xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"",
                 src_father->name, dst_father->name);
     
@@ -1056,7 +1084,6 @@ static e_surf_network_element_type_t get_network_element_type(const char
  */
 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 {
-
   /* config the uniq global routing */
   global_routing = xbt_new0(s_routing_global_t, 1);
   global_routing->where_network_elements = xbt_dict_new();
@@ -1107,10 +1134,27 @@ void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_
   surfxml_add_callback(STag_surfxml_peer_cb_list,
                          &routing_parse_Speer);
 
-  surfxml_add_callback(STag_surfxml_config_cb_list,
-                                          &routing_parse_Sconfig);
-  surfxml_add_callback(ETag_surfxml_config_cb_list,
-                                          &routing_parse_Econfig);
+
+#ifdef HAVE_TRACING
+  instr_routing_define_callbacks();
+#endif
+}
+
+void surf_parse_add_callback_config(void)
+{
+       surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
+       surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
+       surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
+       surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
+       surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
+}
+
+void surf_parse_models_setup()
+{
+       routing_parse_Erandom();
+       surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
+       surf_config_models_setup(platform_filename);
+       free(platform_filename);
 }
 
 /* ************************************************************************** */
@@ -1248,6 +1292,7 @@ static void *model_full_create(void)
   new_component->generic_routing.finalize = full_finalize;
   new_component->generic_routing.to_index = xbt_dict_new();
   new_component->generic_routing.bypassRoutes = xbt_dict_new();
+  new_component->generic_routing.get_network_element_type = get_network_element_type;
   return new_component;
 }
 
@@ -1327,7 +1372,7 @@ static void model_full_set_route(routing_component_t rc, const char *src,
                          (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
                          (void*)link_route_to_test,
                          (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
-                         "The route between \"%s\" and \"%s\" already exists", src,dst);
+                         "The route between \"%s\" and \"%s\" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.", src,dst);
                xbt_dynar_free(&link_route_to_test);
        }
        else
@@ -1570,6 +1615,7 @@ static void *model_floyd_create(void)
   new_component->generic_routing.finalize = floyd_finalize;
   new_component->generic_routing.to_index = xbt_dict_new();
   new_component->generic_routing.bypassRoutes = xbt_dict_new();
+  new_component->generic_routing.get_network_element_type = get_network_element_type;
   return new_component;
 }
 
@@ -1863,9 +1909,10 @@ static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
                                int dst_id, route_extended_t e_route)
 {
   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
-
+  DEBUG2("Load Route from \"%d\" to \"%d\"", src_id, dst_id);
   xbt_node_t src = NULL;
   xbt_node_t dst = NULL;
+
   graph_node_map_element_t src_elm = (graph_node_map_element_t)
       xbt_dict_get_or_null_ext(routing->graph_node_map,
                                (char *) (&src_id),
@@ -1875,6 +1922,7 @@ static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
                                (char *) (&dst_id),
                                sizeof(int));
 
+
   if (src_elm)
     src = src_elm->node;
 
@@ -2190,6 +2238,7 @@ static void *model_dijkstra_both_create(int cached)
   new_component->cached = cached;
   new_component->generic_routing.to_index = xbt_dict_new();
   new_component->generic_routing.bypassRoutes = xbt_dict_new();
+  new_component->generic_routing.get_network_element_type = get_network_element_type;
   return new_component;
 }
 
@@ -2223,11 +2272,13 @@ static void model_dijkstra_both_end(void)
   xbt_dynar_t nodes = NULL;
 
   /* Create the topology graph */
+  if(!routing->route_graph)
   routing->route_graph = xbt_graph_new_graph(1, NULL);
+  if(!routing->graph_node_map)
   routing->graph_node_map = xbt_dict_new();
 
   if (routing->cached && !routing->route_cache)
-    routing->route_cache = xbt_dict_new();
+  routing->route_cache = xbt_dict_new();
 
   /* Add the loopback if needed */
   if (current_routing->hierarchy == SURF_ROUTING_BASE)
@@ -2250,6 +2301,12 @@ static void model_dijkstra_both_set_route (routing_component_t rc, const char *s
        src_id = xbt_dict_get_or_null(rc->to_index, src);
        dst_id = xbt_dict_get_or_null(rc->to_index, dst);
 
+    /* Create the topology graph */
+       if(!routing->route_graph)
+       routing->route_graph = xbt_graph_new_graph(1, NULL);
+       if(!routing->graph_node_map)
+       routing->graph_node_map = xbt_dict_new();
+
        if (routing->cached && !routing->route_cache)
        routing->route_cache = xbt_dict_new();
 
@@ -2669,6 +2726,7 @@ static void *model_rulebased_create(void)
   new_component->generic_routing.get_latency = generic_get_link_latency;
   new_component->generic_routing.get_bypass_route = rulebased_get_bypass_route;
   new_component->generic_routing.finalize = rulebased_finalize;
+  new_component->generic_routing.get_network_element_type = get_network_element_type;
   /* initialization of internal structures */
   new_component->dict_processing_units = xbt_dict_new();
   new_component->dict_autonomous_systems = xbt_dict_new();
@@ -3209,7 +3267,7 @@ generic_processing_units_exist(routing_component_t rc, char *element)
 static void generic_src_dst_check(routing_component_t rc, const char *src,
                                   const char *dst)
 {
-
+ #ifndef NDEBUG
   routing_component_t src_as = ((network_element_info_t)
                                 xbt_dict_get_or_null
                                 (global_routing->where_network_elements,
@@ -3228,24 +3286,28 @@ static void generic_src_dst_check(routing_component_t rc, const char *src,
   xbt_assert2(rc == dst_as,
               "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
               rc->name, dst_as->name);
+#endif
 }
 
 static void routing_parse_Sconfig(void)
 {
-  //TODO
-  DEBUG0("WARNING tag config not yet implemented.");
-  DEBUG1("Configuration name = %s",A_surfxml_config_id);
+  DEBUG1("START configuration name = %s",A_surfxml_config_id);
 }
 
 static void routing_parse_Econfig(void)
 {
-  //TODO
   xbt_dict_cursor_t cursor = NULL;
   char *key;
   char *elem;
+  char *cfg;
   xbt_dict_foreach(current_property_set, cursor, key, elem) {
-         DEBUG2("property : %s = %s",key,elem);
+         cfg = bprintf("%s:%s",key,elem);
+         if(xbt_cfg_is_default_value(_surf_cfg_set, key))
+                 xbt_cfg_set_parse(_surf_cfg_set, cfg);
+         else
+                 INFO1("The custom configuration '%s' is already define by user!",key);
        }
+  DEBUG1("End configuration name = %s",A_surfxml_config_id);
 }
 
 static void routing_parse_Scluster(void)
@@ -3260,23 +3322,25 @@ static void routing_parse_Scluster(void)
   char *cluster_core = A_surfxml_cluster_core;
   char *cluster_bw = A_surfxml_cluster_bw;
   char *cluster_lat = A_surfxml_cluster_lat;
+  char *temp_cluster_bw = NULL;
+  char *temp_cluster_lat = NULL;
+  char *temp_cluster_power = NULL;
   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
   char *cluster_availability_file = A_surfxml_cluster_availability_file;
   char *cluster_state_file = A_surfxml_cluster_state_file;
   char *host_id, *groups, *link_id = NULL;
   char *router_id, *link_router, *link_backbone;
-  char *host_availability_file = NULL;
-  char *host_state_file = NULL;
   char *availability_file = bprintf("%s",cluster_availability_file);
   char *state_file = bprintf("%s",cluster_state_file);
 
-  xbt_dict_t patterns = xbt_dict_new();
+  if(xbt_dict_size(patterns)==0)
+         patterns = xbt_dict_new();
+
   xbt_dict_set(patterns,"id",cluster_id,NULL);
   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
 
-
 #ifdef HAVE_PCRE_LIB
   char *route_src_dst;
 #endif
@@ -3323,13 +3387,15 @@ static void routing_parse_Scluster(void)
 #endif
       link_id = bprintf("%s_link_%d", cluster_id, start);
 
-      DEBUG2("<host\tid=\"%s\"\tpower=\"%s\">", host_id, cluster_power);
+      xbt_dict_set(patterns,"radical",bprintf("%d",start),NULL);
+      temp_cluster_power = bprintf("%s",cluster_power);
+      temp_cluster_power = bprintf("%s",replace_random_parameter(temp_cluster_power));
+      DEBUG2("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
       A_surfxml_host_state = A_surfxml_host_state_ON;
       SURFXML_BUFFER_SET(host_id, host_id);
-      SURFXML_BUFFER_SET(host_power, cluster_power);
+      SURFXML_BUFFER_SET(host_power, temp_cluster_power);
       SURFXML_BUFFER_SET(host_core, cluster_core);
       SURFXML_BUFFER_SET(host_availability, "1.0");
-         xbt_dict_set(patterns,"radical",bprintf("%d",start),NULL);
          availability_file = bprintf("%s",cluster_availability_file);
          state_file = bprintf("%s",cluster_state_file);
          DEBUG1("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
@@ -3340,7 +3406,12 @@ static void routing_parse_Scluster(void)
       SURFXML_START_TAG(host);
       SURFXML_END_TAG(host);
 
-      DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
+
+      temp_cluster_bw = bprintf("%s",cluster_bw);
+      temp_cluster_bw = bprintf("%s",replace_random_parameter(temp_cluster_bw));
+      temp_cluster_lat = bprintf("%s",cluster_lat);
+      temp_cluster_lat = bprintf("%s",replace_random_parameter(temp_cluster_lat));
+      DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
       A_surfxml_link_state = A_surfxml_link_state_ON;
       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
@@ -3348,8 +3419,8 @@ static void routing_parse_Scluster(void)
       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
          {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
       SURFXML_BUFFER_SET(link_id, link_id);
-      SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
-      SURFXML_BUFFER_SET(link_latency, cluster_lat);
+      SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
+      SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
       SURFXML_BUFFER_SET(link_bandwidth_file, "");
       SURFXML_BUFFER_SET(link_latency_file, "");
       SURFXML_BUFFER_SET(link_state_file, "");
@@ -3372,13 +3443,15 @@ static void routing_parse_Scluster(void)
 #endif
         link_id = bprintf("%s_link_%d", cluster_id, i);
 
-        DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"", host_id, cluster_power);
+        xbt_dict_set(patterns,"radical",bprintf("%d",i),NULL);
+        temp_cluster_power = bprintf("%s",cluster_power);
+        temp_cluster_power = bprintf("%s",replace_random_parameter(temp_cluster_power));
+        DEBUG2("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
         A_surfxml_host_state = A_surfxml_host_state_ON;
         SURFXML_BUFFER_SET(host_id, host_id);
-        SURFXML_BUFFER_SET(host_power, cluster_power);
+        SURFXML_BUFFER_SET(host_power, temp_cluster_power);
         SURFXML_BUFFER_SET(host_core, cluster_core);
                SURFXML_BUFFER_SET(host_availability, "1.0");
-               xbt_dict_set(patterns,"radical",bprintf("%d",i),NULL);
                availability_file = bprintf("%s",cluster_availability_file);
                state_file = bprintf("%s",cluster_state_file);
                DEBUG1("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
@@ -3389,7 +3462,11 @@ static void routing_parse_Scluster(void)
         SURFXML_START_TAG(host);
         SURFXML_END_TAG(host);
 
-        DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
+        temp_cluster_bw = bprintf("%s",cluster_bw);
+        temp_cluster_bw = bprintf("%s",replace_random_parameter(temp_cluster_bw));
+        temp_cluster_lat = bprintf("%s",cluster_lat);
+        temp_cluster_lat = bprintf("%s",replace_random_parameter(temp_cluster_lat));
+        DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
         A_surfxml_link_state = A_surfxml_link_state_ON;
         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
@@ -3397,8 +3474,8 @@ static void routing_parse_Scluster(void)
         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
            {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
         SURFXML_BUFFER_SET(link_id, link_id);
-        SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
-        SURFXML_BUFFER_SET(link_latency, cluster_lat);
+        SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
+        SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
         SURFXML_BUFFER_SET(link_bandwidth_file, "");
         SURFXML_BUFFER_SET(link_latency_file, "");
         SURFXML_BUFFER_SET(link_state_file, "");
@@ -3426,11 +3503,17 @@ static void routing_parse_Scluster(void)
   link_backbone = bprintf("%s_backbone", cluster_id);
 
   DEBUG1("<router id=\"%s\"/>", router_id);
-  SURFXML_BUFFER_SET(router_id, router_id);;
+  SURFXML_BUFFER_SET(router_id, router_id);
   SURFXML_START_TAG(router);
   SURFXML_END_TAG(router);
 
-  DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
+  //TODO
+  xbt_dict_set(patterns,"radical",bprintf("_router"),NULL);
+  temp_cluster_bw = bprintf("%s",cluster_bw);
+  temp_cluster_bw = bprintf("%s",replace_random_parameter(temp_cluster_bw));
+  temp_cluster_lat = bprintf("%s",cluster_lat);
+  temp_cluster_lat = bprintf("%s",replace_random_parameter(temp_cluster_lat));
+  DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
   A_surfxml_link_state = A_surfxml_link_state_ON;
   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
@@ -3438,15 +3521,15 @@ static void routing_parse_Scluster(void)
   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
   SURFXML_BUFFER_SET(link_id, link_router);
-  SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
-  SURFXML_BUFFER_SET(link_latency, cluster_lat);
+  SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
+  SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
   SURFXML_BUFFER_SET(link_bandwidth_file, "");
   SURFXML_BUFFER_SET(link_latency_file, "");
   SURFXML_BUFFER_SET(link_state_file, "");
   SURFXML_START_TAG(link);
   SURFXML_END_TAG(link);
 
-  DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
+  DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
   A_surfxml_link_state = A_surfxml_link_state_ON;
   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
@@ -3604,6 +3687,30 @@ static void routing_parse_Scluster(void)
 
   surfxml_bufferstack_pop(1);
 }
+/*
+ * This function take a string and replace parameters from patterns dict.
+ * It returns the new value.
+ */
+static char* replace_random_parameter(char * string)
+{
+       char *temp_string = NULL;
+    char *test_string = NULL;
+
+       if(xbt_dict_size(random_value)==0)
+               return string;
+
+    temp_string = bprintf("%s",string);
+    temp_string = xbt_str_varsubst(temp_string,patterns); // for patterns of cluster
+       test_string = bprintf("${%s}",temp_string);
+       test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
+
+       if(strcmp(test_string,"")) //if not empty, keep this value.
+               string = bprintf("%s",test_string);
+       else //In other case take old value (without ${})
+               string = bprintf("%s",temp_string);
+
+       return string;
+}
 
 static void routing_parse_Speer(void)
 {
@@ -3615,6 +3722,8 @@ static void routing_parse_Speer(void)
   char *peer_bw_out = A_surfxml_peer_bw_out;
   char *peer_lat = A_surfxml_peer_lat;
   char *peer_coord = A_surfxml_peer_coordinates;
+  char *peer_state_file = A_surfxml_peer_state_file;
+  char *peer_availability_file = A_surfxml_peer_availability_file;
 
   char *host_id = NULL;
   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
@@ -3639,6 +3748,7 @@ static void routing_parse_Speer(void)
   surfxml_bufferstack_push(1);
 
   SURFXML_BUFFER_SET(AS_id, peer_id);
+  SURFXML_BUFFER_SET(AS_coordinates, peer_coord);
 #ifdef HAVE_PCRE_LIB
   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
   DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", peer_id);
@@ -3662,8 +3772,8 @@ static void routing_parse_Speer(void)
   SURFXML_BUFFER_SET(host_id, host_id);
   SURFXML_BUFFER_SET(host_power, peer_power);
   SURFXML_BUFFER_SET(host_availability, "1.0");
-  SURFXML_BUFFER_SET(host_availability_file, "");
-  SURFXML_BUFFER_SET(host_state_file, "");
+  SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
+  SURFXML_BUFFER_SET(host_state_file, peer_state_file);
   SURFXML_START_TAG(host);
   SURFXML_END_TAG(host);
 
@@ -3750,6 +3860,113 @@ static void routing_parse_Speer(void)
   surfxml_bufferstack_pop(1);
 }
 
+static void routing_parse_Srandom(void)
+{
+         double mean, std, min, max, seed;
+         char *random_id = A_surfxml_random_id;
+         char *random_radical = A_surfxml_random_radical;
+         surf_parse_get_double(&mean,A_surfxml_random_mean);
+         surf_parse_get_double(&std,A_surfxml_random_std_deviation);
+         surf_parse_get_double(&min,A_surfxml_random_min);
+         surf_parse_get_double(&max,A_surfxml_random_max);
+         surf_parse_get_double(&seed,A_surfxml_random_seed);
+
+         double res = 0;
+         int i = 0;
+         random_data_t random = xbt_new0(s_random_data_t, 1);
+
+         xbt_dynar_t radical_elements;
+         unsigned int iter;
+         char *groups;
+         int start, end;
+         xbt_dynar_t radical_ends;
+
+         random->generator = A_surfxml_random_generator;
+         random->seed = seed;
+         random->min = min;
+         random->max = max;
+
+         /* Check user stupidities */
+         if (max < min)
+           THROW2(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
+         if (mean < min)
+           THROW2(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
+                  min);
+         if (mean > max)
+           THROW2(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
+                  max);
+
+         /* normalize the mean and standard deviation before storing */
+         random->mean = (mean - min) / (max - min);
+         random->std = std / (max - min);
+
+         if (random->mean * (1 - random->mean) < random->std * random->std)
+           THROW2(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
+                  random->mean, random->std);
+
+         DEBUG8("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);
+
+         if(xbt_dict_size(random_value)==0)
+                 random_value = xbt_dict_new();
+
+         if(!strcmp(random_radical,""))
+         {
+                 res = random_generate(random);
+                 xbt_dict_set(random_value, random_id, bprintf("%f",res), free);
+         }
+         else
+         {
+                 radical_elements = xbt_str_split(random_radical, ",");
+                 xbt_dynar_foreach(radical_elements, iter, groups) {
+                       radical_ends = xbt_str_split(groups, "-");
+                       switch (xbt_dynar_length(radical_ends)) {
+                       case 1:
+                                         xbt_assert1(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
+                                         res = random_generate(random);
+                                         xbt_dict_set(random_value, bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *))), bprintf("%f",res), free);
+                                         break;
+
+                       case 2:   surf_parse_get_int(&start,
+                                                                                xbt_dynar_get_as(radical_ends, 0, char *));
+                                         surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
+                                         for (i = start; i <= end; i++) {
+                                                 xbt_assert1(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
+                                                 res = random_generate(random);
+                                                 xbt_dict_set(random_value, bprintf("%s%d",random_id,i), bprintf("%f",res), free);
+                                         }
+                                         break;
+                       default:
+                               INFO0("Malformed radical");
+                       }
+                       res = random_generate(random);
+                       xbt_dict_set(random_value, bprintf("%s_router",random_id), bprintf("%f",res), free);
+
+                       xbt_dynar_free(&radical_ends);
+                 }
+                 xbt_dynar_free(&radical_elements);
+         }
+}
+
+static void routing_parse_Erandom(void)
+{
+       xbt_dict_cursor_t cursor = NULL;
+       char *key;
+       char *elem;
+
+       xbt_dict_foreach(random_value, cursor, key, elem) {
+         DEBUG2("%s = %s",key,elem);
+       }
+
+}
+
 
 /*
  * New methods to init the routing model component from the lua script