X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/de4f4741cf1811ceeedc821d7a90a0fea332525b..0efc803094915a5a68942f592e8ab4d222b7460b:/src/surf/network_gtnets.c

diff --git a/src/surf/network_gtnets.c b/src/surf/network_gtnets.c
index d1c58ebc33..2fba3bf451 100644
--- a/src/surf/network_gtnets.c
+++ b/src/surf/network_gtnets.c
@@ -10,10 +10,10 @@
 #include "xbt/str.h"
 
 
-static   double time_to_next_flow_completion=-1;
+static double time_to_next_flow_completion = -1;
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf,
-				"Logging specific to the SURF network module");
+                                "Logging specific to the SURF network module");
 
 /** QUESTIONS for GTNetS integration
  **   1. Check that we did the right thing with name_service and get_resource_name
@@ -28,14 +28,6 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf,
 static int src_id = -1;
 static int dst_id = -1;
 
-/* Free memory for a network link */
-static void link_free(void *nw_link)
-{
-  free(((network_link_GTNETS_t) nw_link)->name);
-  xbt_dict_free(&(((network_link_GTNETS_t)nw_link)->properties));
-  free(nw_link);
-}
-
 /* Instantiate a new network link */
 /* name: some name for the link, from the XML */
 /* bw: The bandwidth value            */
@@ -46,7 +38,7 @@ static void link_new(char *name, double bw, double lat, xbt_dict_t props)
   network_link_GTNETS_t gtnets_link;
 
   /* If link already exists, nothing to do (FIXME: check that multiple definition match?) */
-  if (xbt_dict_get_or_null(link_set, name)) {
+  if (xbt_dict_get_or_null(surf_network_model->resource_set, name)) {
     return;
   }
 
@@ -54,7 +46,7 @@ static void link_new(char *name, double bw, double lat, xbt_dict_t props)
   link_count++;
 
 /*
-  nw_link->model = (surf_model_t) surf_network_model;
+  nw_link->model =  surf_network_model;
   nw_link->name = name;
   nw_link->bw_current = bw_initial;
   if (bw_trace)
@@ -77,33 +69,26 @@ static void link_new(char *name, double bw, double lat, xbt_dict_t props)
 
   /* KF: Insert entry in the dictionary */
   gtnets_link = xbt_new0(s_network_link_GTNETS_t, 1);
-  gtnets_link->name = name;
+  gtnets_link->generic_resource.name = name;
+  gtnets_link->generic_resource.properties = props;
   gtnets_link->bw_current = bw;
   gtnets_link->lat_current = lat;
   gtnets_link->id = link_count;
-  /* Add the properties */
-  gtnets_link->properties = props;
 
-  xbt_dict_set(link_set, name, gtnets_link, link_free);
+  xbt_dict_set(surf_network_model->resource_set, name, gtnets_link, surf_resource_free);
 
   return;
 }
 
-/* free the network card */
-static void network_card_free(void *nw_card)
-{
-  free(((network_card_GTNETS_t) nw_card)->name);
-  free(nw_card);
-}
-
 /* Instantiate a new network card: MODIFYED BY KF */
 static int network_card_new(const char *name)
 {
   static int card_count = -1;
 
+  XBT_IN1("(%s)", name);
   /* KF: Check that we haven't seen the network card before */
   network_card_GTNETS_t card =
-      xbt_dict_get_or_null(network_card_set, name);
+    surf_model_resource_by_name(surf_network_model, name);
 
   if (!card) {
     /* KF: Increment the card counter for GTNetS */
@@ -113,18 +98,24 @@ static int network_card_new(const char *name)
     card = xbt_new0(s_network_card_GTNETS_t, 1);
     card->name = xbt_strdup(name);
     card->id = card_count;
-    xbt_dict_set(network_card_set, name, card, network_card_free);
+    xbt_dict_set(surf_model_resource_set(surf_network_model), name, card,
+                 surf_resource_free);
   }
 
+  LOG1(xbt_log_priority_trace, "   return %d", card->id);
+  XBT_OUT;
   /* KF: just return the GTNetS ID as the SURF ID */
   return card->id;
 }
 
 /* Instantiate a new route: MODIFY BY KF */
-static void route_new(int src_id, int dst_id, network_link_GTNETS_t *links, int nb_link)
+static void route_new(int src_id, int dst_id, network_link_GTNETS_t * links,
+                      int nb_link)
 {
   int i;
   int *gtnets_links;
+  XBT_IN4("(src_id=%d, dst_id=%d, links=%p, nb_link=%d)",
+          src_id, dst_id, links, nb_link);
 
   /* KF: Build the list of gtnets link IDs */
   gtnets_links = (int *) calloc(nb_link, sizeof(int));
@@ -136,10 +127,12 @@ static void route_new(int src_id, int dst_id, network_link_GTNETS_t *links, int
   if (gtnets_add_route(src_id, dst_id, gtnets_links, nb_link)) {
     xbt_assert0(0, "Cannot create GTNetS route");
   }
+  XBT_OUT;
 }
 
 /* Instantiate a new route: MODIFY BY KF */
-static void route_onehop_new(int src_id, int dst_id, network_link_GTNETS_t *links, int nb_link)
+static void route_onehop_new(int src_id, int dst_id,
+                             network_link_GTNETS_t * links, int nb_link)
 {
   int linkid;
 
@@ -164,20 +157,20 @@ static void parse_link_init(void)
   char *name;
   double bw;
   double lat;
-  e_surf_link_state_t state;
+  e_surf_resource_state_t state;
 
   name = xbt_strdup(A_surfxml_link_id);
   surf_parse_get_double(&bw, A_surfxml_link_bandwidth);
   surf_parse_get_double(&lat, A_surfxml_link_latency);
-  state = SURF_LINK_ON;
+  state = SURF_RESOURCE_ON;
 
   tmgr_trace_t bw_trace;
   tmgr_trace_t state_trace;
   tmgr_trace_t lat_trace;
-  
-  surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
-  surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
-  surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
+
+  bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
+  lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
+  state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 
   if (bw_trace)
     INFO0("The GTNetS network model doesn't support bandwidth state traces");
@@ -214,93 +207,102 @@ static void parse_route_set_route(void)
 {
   char *name;
   if (src_id != -1 && dst_id != -1) {
-    name = bprintf("%x#%x",src_id, dst_id);
+    name = bprintf("%x#%x", src_id, dst_id);
     manage_route(route_table, name, route_action, 0);
-    free(name);    
+    free(name);
   }
 }
 
 static void add_route()
 {
   xbt_ex_t e;
-  unsigned int cpt = 0;    
+  unsigned int cpt = 0;
   int link_list_capacity = 0;
   int nb_link = 0;
   xbt_dict_cursor_t cursor = NULL;
-  char *key,*data, *end;
+  char *key, *data, *end;
   const char *sep = "#";
   xbt_dynar_t links, keys;
   static network_link_GTNETS_t *link_list = NULL;
 
 
-  DEBUG0("Entering add_route()");
+  XBT_IN;
   xbt_dict_foreach(route_table, cursor, key, data) {
     char *link = NULL;
     nb_link = 0;
-    links = (xbt_dynar_t)data;
+    links = (xbt_dynar_t) data;
     keys = xbt_str_split_str(key, sep);
 
     link_list_capacity = xbt_dynar_length(links);
     link_list = xbt_new(network_link_GTNETS_t, link_list_capacity);
 
-    src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
-    dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
     xbt_dynar_free(&keys);
 
-    xbt_dynar_foreach (links, cpt, link) {
+    xbt_dynar_foreach(links, cpt, link) {
       TRY {
-        link_list[nb_link++] = xbt_dict_get(link_set, link);
+        link_list[nb_link++] = xbt_dict_get(surf_network_model->resource_set, link);
       }
       CATCH(e) {
         RETHROW1("Link %s not found (dict raised this exception: %s)", link);
-      }     
+      }
     }
-    if (nb_link > 1)
-      route_new(src_id, dst_id, link_list, nb_link);
     if (nb_link == 1)
       route_onehop_new(src_id, dst_id, link_list, nb_link);
-   }
+  }
 
-  xbt_dict_free(&route_table);
-  DEBUG0("Bailling add_route()");
-}
+  xbt_dict_foreach(route_table, cursor, key, data) {
+    char *link = NULL;
+    nb_link = 0;
+    links = (xbt_dynar_t) data;
+    keys = xbt_str_split_str(key, sep);
 
-/* Main XML parsing */
-static void define_callbacks(const char *file)
-{
-  surfxml_add_callback(STag_surfxml_router_cb_list,   &parse_route_set_routers);
-  surfxml_add_callback(STag_surfxml_link_cb_list,     &parse_link_init);
-  surfxml_add_callback(STag_surfxml_route_cb_list,    &parse_route_set_endpoints);
-  surfxml_add_callback(ETag_surfxml_route_cb_list,      &parse_route_set_route);
-  surfxml_add_callback(ETag_surfxml_platform_cb_list,   &add_route);
-}
+    link_list_capacity = xbt_dynar_length(links);
+    link_list = xbt_new(network_link_GTNETS_t, link_list_capacity);
 
-static void *name_service(const char *name)
-{
-  return xbt_dict_get_or_null(network_card_set, name);
-}
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
+    xbt_dynar_free(&keys);
 
-static const char *get_resource_name(void *resource_id)
-{
-  return ((network_card_GTNETS_t) resource_id)->name;
+    xbt_dynar_foreach(links, cpt, link) {
+      TRY {
+        link_list[nb_link++] = xbt_dict_get(surf_network_model->resource_set, link);
+      }
+      CATCH(e) {
+        RETHROW1("Link %s not found (dict raised this exception: %s)", link);
+      }
+    }
+    if (nb_link >= 1)
+      route_new(src_id, dst_id, link_list, nb_link);
+  }
+
+  xbt_dict_free(&route_table);
+  gtnets_print_topology();
+  XBT_OUT;
 }
 
-static xbt_dict_t get_properties(void *link)
+/* Main XML parsing */
+static void define_callbacks(const char *file)
 {
-  return ((network_card_GTNETS_t) link)->properties;
+  surfxml_add_callback(STag_surfxml_router_cb_list, &parse_route_set_routers);
+  surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
+  surfxml_add_callback(STag_surfxml_route_cb_list,
+                       &parse_route_set_endpoints);
+  surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
 }
 
-
 /* We do not care about this: only used for traces */
 static int resource_used(void *resource_id)
 {
-  return 0;			/* We don't care */
+  return 0;                     /* We don't care */
 }
 
-static int action_free(surf_action_t action)
+static int action_unref(surf_action_t action)
 {
-  action->using--;
-  if (!action->using) {
+  action->refcount--;
+  if (!action->refcount) {
     xbt_swag_remove(action, action->state_set);
     /* KF: No explicit freeing needed for GTNeTS here */
     free(action);
@@ -309,25 +311,20 @@ static int action_free(surf_action_t action)
   return 0;
 }
 
-static void action_use(surf_action_t action)
-{
-  action->using++;
-}
-
 static void action_cancel(surf_action_t action)
 {
-  xbt_assert0(0, "Cannot cancel GTNetS flow");
+  xbt_die("Cannot cancel GTNetS flow");
   return;
 }
 
 static void action_recycle(surf_action_t action)
 {
-  xbt_assert0(0, "Cannot recycle GTNetS flow");
+  xbt_die("Cannot recycle GTNetS flow");
   return;
 }
 
-static void action_change_state(surf_action_t action,
-				e_surf_action_state_t state)
+static void action_state_set(surf_action_t action,
+                                e_surf_action_state_t state)
 {
 /*   if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
 /*     if(((surf_action_network_GTNETS_t)action)->variable) { */
@@ -335,7 +332,7 @@ static void action_change_state(surf_action_t action,
 /*       ((surf_action_network_GTNETS_t)action)->variable = NULL; */
 /*     } */
 
-  surf_action_change_state(action, state);
+  surf_action_state_set(action, state);
   return;
 }
 
@@ -343,14 +340,16 @@ static void action_change_state(surf_action_t action,
 /* share_resources() */
 static double share_resources(double now)
 {
-  xbt_swag_t running_actions = surf_network_model->common_public->states.running_action_set;
+  xbt_swag_t running_actions =
+    surf_network_model->states.running_action_set;
 
   //get the first relevant value from the running_actions list
   if (!xbt_swag_size(running_actions))
     return -1.0;
 
-  xbt_assert0(time_to_next_flow_completion, "Time to next flow completion not initialized!\n");
-  
+  xbt_assert0(time_to_next_flow_completion,
+              "Time to next flow completion not initialized!\n");
+
   time_to_next_flow_completion = gtnets_get_time_to_next_flow_completion();
 
   return time_to_next_flow_completion;
@@ -358,7 +357,7 @@ static double share_resources(double now)
 
 /* delta: by how many time units the simulation must advance */
 /* In this function: change the state of actions that terminate */
-/* The delta may not come from the network, and thus may be different (smaller) 
+/* The delta may not come from the network, and thus may be different (smaller)
    than the one returned by the function above */
 /* If the delta is a network-caused min, then do not emulate any timer in the
    network simulation, otherwise fake a timer somehow to advance the simulation of min seconds */
@@ -368,7 +367,7 @@ static void update_actions_state(double now, double delta)
   surf_action_network_GTNETS_t action = NULL;
   //  surf_action_network_GTNETS_t next_action = NULL;
   xbt_swag_t running_actions =
-      surf_network_model->common_public->states.running_action_set;
+    surf_network_model->states.running_action_set;
 
   /* If there are no renning flows, just return */
   if (time_to_next_flow_completion < 0.0) {
@@ -376,7 +375,7 @@ static void update_actions_state(double now, double delta)
   }
 
   /*KF: if delta == time_to_next_flow_completion, too. */
-  if (time_to_next_flow_completion <= delta) {	/* run until the first flow completes */
+  if (time_to_next_flow_completion <= delta) {  /* run until the first flow completes */
     void **metadata;
     int i, num_flows;
 
@@ -384,42 +383,38 @@ static void update_actions_state(double now, double delta)
 
     if (gtnets_run_until_next_flow_completion(&metadata, &num_flows)) {
       xbt_assert0(0,
-		  "Cannot run GTNetS simulation until next flow completion");
+                  "Cannot run GTNetS simulation until next flow completion");
     }
     if (num_flows < 1) {
       xbt_assert0(0,
-		  "GTNetS simulation couldn't find a flow that would complete");
+                  "GTNetS simulation couldn't find a flow that would complete");
     }
 
-
-
     xbt_swag_foreach(action, running_actions) {
-      DEBUG1("]]]]]]]]] Action remains old value: %f", action->generic_action.remains);
+      DEBUG2("Action (%p) remains old value: %f", action,
+             action->generic_action.remains);
       double remain = gtnets_get_flow_rx(action);
+      DEBUG1("Remain value returned by GTNetS : %f", remain);
       //need to trust this remain value
-      if(remain == 0){
-	action->generic_action.remains=0;
-      }else {
-	action->generic_action.remains-=remain;
+      if (remain == 0) {
+        action->generic_action.remains = 0;
+      } else {
+        action->generic_action.remains = action->generic_action.cost - remain;
       }
-      DEBUG1("[[[[[[[[[ Action remains new value: %f", action->generic_action.remains);
+      DEBUG2("Action (%p) remains new value: %f", action,
+             action->generic_action.remains);
     }
 
     for (i = 0; i < num_flows; i++) {
-      action =  (surf_action_network_GTNETS_t) (metadata[i]);
-      
-      action->generic_action.finish = now + time_to_next_flow_completion;
-      action_change_state((surf_action_t) action, SURF_ACTION_DONE);
-      /* TODO: Anything else here? */
+      action = (surf_action_network_GTNETS_t) (metadata[i]);
 
-      //need to map this action to the gtnets engine
-      DEBUG1("]]]]]]]]] Action remains old value: %f", action->generic_action.remains);
-      action->generic_action.remains -= gtnets_get_flow_rx(metadata[i]);
-      DEBUG1("[[[[[[[[[ Action remains new value: %f", action->generic_action.remains);
+      action->generic_action.finish = now + time_to_next_flow_completion;
+      action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+      DEBUG1("----> Action (%p) just terminated", action);
     }
 
 
-  } else {			/* run for a given number of seconds */
+  } else {                      /* run for a given number of seconds */
     if (gtnets_run(delta)) {
       xbt_assert0(0, "Cannot run GTNetS simulation");
     }
@@ -430,51 +425,26 @@ static void update_actions_state(double now, double delta)
 
 /* UNUSED HERE: no traces */
 static void update_resource_state(void *id,
-				  tmgr_trace_event_t event_type,
-				  double value, double date)
+                                  tmgr_trace_event_t event_type,
+                                  double value, double date)
 {
   xbt_assert0(0, "Cannot update model state for GTNetS simulation");
   return;
 }
 
 /* KF: Rate not supported */
-static surf_action_t communicate(void *src, void *dst, double size,
-				 double rate)
+/* Max durations are not supported */
+static surf_action_t communicate(const char *src_name, const char *dst_name,int src, int dst, double size,
+                                 double rate)
 {
   surf_action_network_GTNETS_t action = NULL;
-  network_card_GTNETS_t card_src = src;
-  network_card_GTNETS_t card_dst = dst;
-/*
-  int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
-  network_link_GTNETS_t *route = ROUTE(card_src->id, card_dst->id);
-*/
-
-/*
-  xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name);
-*/
-
-  action = xbt_new0(s_surf_action_network_GTNETS_t, 1);
-
-  action->generic_action.using = 1;
-  action->generic_action.cost = size;
-  action->generic_action.remains = size;
-  /* Max durations are not supported */
-  action->generic_action.max_duration = NO_MAX_DURATION;
-  action->generic_action.start = surf_get_clock();
-  action->generic_action.finish = -1.0;
-  action->generic_action.model_type =
-      (surf_model_t) surf_network_model;
 
-  action->generic_action.state_set =
-      surf_network_model->common_public->states.running_action_set;
-
-  xbt_swag_insert(action, action->generic_action.state_set);
+  action = surf_action_new(sizeof(s_surf_action_network_GTNETS_t),size,surf_network_model,0);
 
   /* KF: Add a flow to the GTNets Simulation, associated to this action */
-  if (gtnets_create_flow(card_src->id, card_dst->id, size, (void *) action)
-      < 0) {
-    xbt_assert2(0, "Not route between host %s and host %s", card_src->name,
-		card_dst->name);
+  if (gtnets_create_flow(src, dst, size, (void *) action) < 0) {
+    xbt_assert2(0, "Not route between host %s and host %s", src_name,
+                dst_name);
   }
 
   return (surf_action_t) action;
@@ -483,15 +453,13 @@ static surf_action_t communicate(void *src, void *dst, double size,
 /* Suspend a flow() */
 static void action_suspend(surf_action_t action)
 {
-  xbt_assert0(0,
-	      "action_suspend() not supported for the GTNets network model");
+  THROW_UNIMPLEMENTED;
 }
 
 /* Resume a flow() */
 static void action_resume(surf_action_t action)
 {
-  xbt_assert0(0,
-	      "action_resume() not supported for the GTNets network model");
+  THROW_UNIMPLEMENTED;
 }
 
 /* Test whether a flow is suspended */
@@ -502,22 +470,9 @@ static int action_is_suspended(surf_action_t action)
 
 static void finalize(void)
 {
-#if 0
-  int i, j;
-#endif
-  xbt_dict_free(&network_card_set);
-  xbt_dict_free(&link_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		ready_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		running_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		failed_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		done_action_set);
-  free(surf_network_model->common_public);
-  free(surf_network_model->common_private);
-  free(surf_network_model->extension_public);
+  xbt_dict_free(&surf_network_model->resource_set);
+
+  surf_model_exit(surf_network_model);
 
   free(surf_network_model);
   surf_network_model = NULL;
@@ -527,59 +482,27 @@ static void finalize(void)
 
 static void surf_network_model_init_internal(void)
 {
-  s_surf_action_t action;
-
-  surf_network_model = xbt_new0(s_surf_network_model_t, 1);
-
-  surf_network_model->common_private =
-      xbt_new0(s_surf_model_private_t, 1);
-  surf_network_model->common_public =
-      xbt_new0(s_surf_model_public_t, 1);
-  surf_network_model->extension_public =
-      xbt_new0(s_surf_network_model_extension_public_t, 1);
-
-  surf_network_model->common_public->states.ready_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.running_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.failed_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.done_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-
-  surf_network_model->common_public->name_service = name_service;
-  surf_network_model->common_public->get_resource_name =
-      get_resource_name;
-  surf_network_model->common_public->action_get_state =
-      surf_action_get_state;
-  surf_network_model->common_public->action_use = action_use;
-  surf_network_model->common_public->action_free = action_free;
-  surf_network_model->common_public->action_cancel = action_cancel;
-  surf_network_model->common_public->action_recycle = action_recycle;
-  surf_network_model->common_public->action_change_state =
-      action_change_state;
-  surf_network_model->common_public->action_set_data =
-      surf_action_set_data;
-  surf_network_model->common_public->name = "network";
-
-  surf_network_model->common_private->resource_used = resource_used;
-  surf_network_model->common_private->share_resources = share_resources;
-  surf_network_model->common_private->update_actions_state =
-      update_actions_state;
-  surf_network_model->common_private->update_resource_state = update_resource_state;
-  surf_network_model->common_private->finalize = finalize;
-
-  surf_network_model->common_public->suspend = action_suspend;
-  surf_network_model->common_public->resume = action_resume;
-  surf_network_model->common_public->is_suspended = action_is_suspended;
-
-  surf_network_model->extension_public->communicate = communicate;
-
-  /*for the props of the link*/
-  surf_network_model->common_public->get_properties =  get_properties;
-
-  link_set = xbt_dict_new();
-  network_card_set = xbt_dict_new();
+  surf_network_model = surf_model_init();
+
+  surf_network_model->name = "network GTNetS";
+  surf_network_model->action_unref = action_unref;
+  surf_network_model->action_cancel = action_cancel;
+  surf_network_model->action_recycle = action_recycle;
+  surf_network_model->action_state_set = action_state_set;
+
+  surf_network_model->model_private->resource_used = resource_used;
+  surf_network_model->model_private->share_resources = share_resources;
+  surf_network_model->model_private->update_actions_state =
+    update_actions_state;
+  surf_network_model->model_private->update_resource_state =
+    update_resource_state;
+  surf_network_model->model_private->finalize = finalize;
+
+  surf_network_model->suspend = action_suspend;
+  surf_network_model->resume = action_resume;
+  surf_network_model->is_suspended = action_is_suspended;
+
+  surf_network_model->extension.network.communicate = communicate;
 
   /* KF: Added the initialization for GTNetS interface */
   if (gtnets_initialize()) {
@@ -597,7 +520,6 @@ void surf_network_model_init_GTNETS(const char *filename)
   xbt_dynar_push(model_list, &surf_network_model);
 
   update_model_description(surf_network_model_description,
-			   "GTNets",
-			   (surf_model_t) surf_network_model);
+                           "GTNets", surf_network_model);
 }
 #endif