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renaming the tracing functions that set the host/link utilization
[simgrid.git] / src / surf / network.c
index a5edbe0..8a9c9ce 100644 (file)
@@ -16,91 +16,77 @@ surf_model_t surf_network_model = NULL;
 static lmm_system_t network_maxmin_system = NULL;
 static void (*network_solve) (lmm_system_t) = NULL;
 
-double latency_factor = 1.0;    /* default value */
-double bandwidth_factor = 1.0;  /* default value */
-double weight_S_parameter = 0.0;        /* default value */
+double sg_latency_factor = 1.0;    /* default value; can be set by model or from command line */
+double sg_bandwidth_factor = 1.0;  /* default value; can be set by model or from command line */
+double sg_weight_S_parameter = 0.0;/* default value; can be set by model or from command line */
 
-int card_number = 0;
-int host_count = 0;
 double sg_tcp_gamma = 0.0;
 
 
-static void link_free(void *nw_link)
-{
-  xbt_dict_free(&(((link_CM02_t) nw_link)->properties));
-  surf_resource_free(nw_link);
-}
-
-static link_CM02_t link_new(char *name,
+static link_CM02_t net_link_new(char *name,
                             double bw_initial,
                             tmgr_trace_t bw_trace,
                             double lat_initial,
                             tmgr_trace_t lat_trace,
-                            e_surf_link_state_t
+                            e_surf_resource_state_t
                             state_initial,
                             tmgr_trace_t state_trace,
                             e_surf_link_sharing_policy_t
                             policy, xbt_dict_t properties)
 {
-  link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1);
+  link_CM02_t nw_link = (link_CM02_t)
+    surf_resource_lmm_new(sizeof(s_link_CM02_t),
+                          surf_network_model, name, properties,
+                          network_maxmin_system,
+                          sg_bandwidth_factor * bw_initial,
+                          history,
+                          state_initial, state_trace,
+                          bw_initial, bw_trace);
+
   xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name),
               "Link '%s' declared several times in the platform file.", name);
 
-  nw_link->generic_resource.model = surf_network_model;
-  nw_link->generic_resource.name = name;
-  nw_link->bw_current = bw_initial;
-  if (bw_trace)
-    nw_link->bw_event =
-      tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
   nw_link->lat_current = lat_initial;
   if (lat_trace)
     nw_link->lat_event =
       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
-  nw_link->state_current = state_initial;
-  if (state_trace)
-    nw_link->state_event =
-      tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
-
-  nw_link->constraint =
-    lmm_constraint_new(network_maxmin_system, nw_link,
-                       bandwidth_factor * nw_link->bw_current);
 
   if (policy == SURF_LINK_FATPIPE)
-    lmm_constraint_shared(nw_link->constraint);
+    lmm_constraint_shared(nw_link->lmm_resource.constraint);
 
-  nw_link->properties = properties;
-
-  current_property_set = properties;
-
-  xbt_dict_set(surf_network_model->resource_set, name, nw_link, link_free);
+  xbt_dict_set(surf_network_model->resource_set, name, nw_link,
+               surf_resource_free);
+#ifdef HAVE_TRACING
+  TRACE_surf_link_declaration (name, bw_initial, lat_initial);
+#endif
 
   return nw_link;
 }
 
-static void parse_link_init(void)
+static void net_parse_link_init(void)
 {
   char *name_link;
   double bw_initial;
   tmgr_trace_t bw_trace;
   double lat_initial;
   tmgr_trace_t lat_trace;
-  e_surf_link_state_t state_initial_link = SURF_LINK_ON;
+  e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
   tmgr_trace_t state_trace;
 
   name_link = xbt_strdup(A_surfxml_link_id);
   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
-  surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
+  bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
-  surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
+  lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 
   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
               || (A_surfxml_link_state ==
                   A_surfxml_link_state_OFF), "Invalid state");
   if (A_surfxml_link_state == A_surfxml_link_state_ON)
-    state_initial_link = SURF_LINK_ON;
+    state_initial_link = SURF_RESOURCE_ON;
   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
-    state_initial_link = SURF_LINK_OFF;
+    state_initial_link = SURF_RESOURCE_OFF;
 
   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
     policy_initial_link = SURF_LINK_SHARED;
@@ -108,15 +94,15 @@ static void parse_link_init(void)
            A_surfxml_link_sharing_policy_FATPIPE)
     policy_initial_link = SURF_LINK_FATPIPE;
 
-  surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
+  state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 
-  link_new(name_link, bw_initial, bw_trace,
+  net_link_new(name_link, bw_initial, bw_trace,
            lat_initial, lat_trace, state_initial_link, state_trace,
            policy_initial_link, xbt_dict_new());
 
 }
 
-static void add_traces(void)
+static void net_add_traces(void)
 {
   xbt_dict_cursor_t cursor = NULL;
   char *trace_name, *elm;
@@ -129,31 +115,36 @@ static void add_traces(void)
   /* connect all traces relative to network */
   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
-    link_CM02_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
+    link_CM02_t link =
+      xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 
     xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
                 trace_name, elm);
     xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined",
                 trace_name, elm);
 
-    link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+    link->lmm_resource.state_event =
+      tmgr_history_add_trace(history, trace, 0.0, 0, link);
   }
 
   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
-    link_CM02_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
+    link_CM02_t link =
+      xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 
     xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
                 trace_name, elm);
     xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined",
                 trace_name, elm);
 
-    link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+    link->lmm_resource.power.event =
+      tmgr_history_add_trace(history, trace, 0.0, 0, link);
   }
 
   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
-    link_CM02_t link = xbt_dict_get_or_null(surf_network_model->resource_set, elm);
+    link_CM02_t link =
+      xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 
     xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
                 trace_name, elm);
@@ -164,20 +155,20 @@ static void add_traces(void)
   }
 }
 
-static void define_callbacks(const char *file)
+static void net_define_callbacks(const char *file)
 {
   /* Figuring out the network links */
-  surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
-  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
+  surfxml_add_callback(STag_surfxml_link_cb_list, &net_parse_link_init);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &net_add_traces);
 }
 
-static int resource_used(void *resource_id)
+static int net_resource_used(void *resource_id)
 {
   return lmm_constraint_used(network_maxmin_system,
-                             ((link_CM02_t) resource_id)->constraint);
+                             ((surf_resource_lmm_t) resource_id)->constraint);
 }
 
-static int action_unref(surf_action_t action)
+static int net_action_unref(surf_action_t action)
 {
   action->refcount--;
   if (!action->refcount) {
@@ -191,17 +182,24 @@ static int action_unref(surf_action_t action)
   return 0;
 }
 
-static void action_cancel(surf_action_t action)
+static void net_action_cancel(surf_action_t action)
 {
+  surf_network_model->action_state_set((surf_action_t) action,
+                                       SURF_ACTION_FAILED);
   return;
 }
 
-static void action_recycle(surf_action_t action)
+static void net_action_recycle(surf_action_t action)
 {
   return;
 }
 
-static double share_resources(double now)
+static double net_action_get_remains(surf_action_t action)
+{
+  return action->remains;
+}
+
+static double net_share_resources(double now)
 {
   s_surf_action_network_CM02_t s_action;
   surf_action_network_CM02_t action = NULL;
@@ -227,7 +225,7 @@ static double share_resources(double now)
   return min;
 }
 
-static void update_actions_state(double now, double delta)
+static void net_update_actions_state(double now, double delta)
 {
   double deltap = 0.0;
   surf_action_network_CM02_t action = NULL;
@@ -239,6 +237,17 @@ static void update_actions_state(double now, double delta)
    */
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
+
+#ifdef HAVE_TRACING
+    xbt_dynar_t route = used_routing->get_route(action->src, action->dst);
+    link_CM02_t link;
+    unsigned int i;
+    xbt_dynar_foreach(route, i, link) {
+       TRACE_surf_link_set_utilization (link->lmm_resource.generic_resource.name,
+          action->generic_action.data, lmm_variable_getvalue(action->variable), now-delta, delta);
+    }
+#endif
+
     deltap = delta;
     if (action->latency > 0) {
       if (action->latency > deltap) {
@@ -260,18 +269,20 @@ static void update_actions_state(double now, double delta)
     if ((action->generic_action.remains <= 0) &&
         (lmm_get_variable_weight(action->variable) > 0)) {
       action->generic_action.finish = surf_get_clock();
-      surf_network_model->action_state_set((surf_action_t) action, SURF_ACTION_DONE);
-    } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
-               (action->generic_action.max_duration <= 0)) {
+      surf_network_model->action_state_set((surf_action_t) action,
+                                           SURF_ACTION_DONE);
+    } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
+               && (action->generic_action.max_duration <= 0)) {
       action->generic_action.finish = surf_get_clock();
-      surf_network_model->action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+      surf_network_model->action_state_set((surf_action_t) action,
+                                           SURF_ACTION_DONE);
     }
   }
 
   return;
 }
 
-static void update_resource_state(void *id,
+static void net_update_resource_state(void *id,
                                   tmgr_trace_event_t event_type,
                                   double value, double date)
 {
@@ -280,19 +291,27 @@ static void update_resource_state(void *id,
   /*     "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
   /*     value, event_type); */
 
-  if (event_type == nw_link->bw_event) {
+  if (event_type == nw_link->lmm_resource.power.event) {
     double delta =
-      weight_S_parameter / value - weight_S_parameter / nw_link->bw_current;
+      sg_weight_S_parameter / value - sg_weight_S_parameter /
+      (nw_link->lmm_resource.power.peak * nw_link->lmm_resource.power.scale);
     lmm_variable_t var = NULL;
     lmm_element_t elem = NULL;
     surf_action_network_CM02_t action = NULL;
 
-    nw_link->bw_current = value;
-    lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
-                                bandwidth_factor * nw_link->bw_current);
-    if (weight_S_parameter > 0) {
+    nw_link->lmm_resource.power.peak = value;
+    lmm_update_constraint_bound(network_maxmin_system,
+                                nw_link->lmm_resource.constraint,
+                                sg_bandwidth_factor *
+                                (nw_link->lmm_resource.power.peak *
+                                 nw_link->lmm_resource.power.scale));
+#ifdef HAVE_TRACING
+    TRACE_surf_link_set_bandwidth (date, nw_link->lmm_resource.generic_resource.name, sg_bandwidth_factor * (nw_link->lmm_resource.power.peak * nw_link->lmm_resource.power.scale));
+#endif
+    if (sg_weight_S_parameter > 0) {
       while ((var = lmm_get_var_from_cnst
-              (network_maxmin_system, nw_link->constraint, &elem))) {
+              (network_maxmin_system, nw_link->lmm_resource.constraint,
+               &elem))) {
         action = lmm_variable_id(var);
         action->weight += delta;
         if (!(action->suspended))
@@ -300,6 +319,8 @@ static void update_resource_state(void *id,
                                      action->weight);
       }
     }
+    if (tmgr_trace_event_free(event_type))
+      nw_link->lmm_resource.power.event = NULL;
   } else if (event_type == nw_link->lat_event) {
     double delta = value - nw_link->lat_current;
     lmm_variable_t var = NULL;
@@ -308,7 +329,8 @@ static void update_resource_state(void *id,
 
     nw_link->lat_current = value;
     while ((var = lmm_get_var_from_cnst
-            (network_maxmin_system, nw_link->constraint, &elem))) {
+            (network_maxmin_system, nw_link->lmm_resource.constraint,
+             &elem))) {
       action = lmm_variable_id(var);
       action->lat_current += delta;
       action->weight += delta;
@@ -325,15 +347,17 @@ static void update_resource_state(void *id,
                                    action->weight);
 
     }
-  } else if (event_type == nw_link->state_event) {
+    if (tmgr_trace_event_free(event_type))
+      nw_link->lat_event = NULL;
+  } else if (event_type == nw_link->lmm_resource.state_event) {
     if (value > 0)
-      nw_link->state_current = SURF_LINK_ON;
+      nw_link->lmm_resource.state_current = SURF_RESOURCE_ON;
     else {
-      lmm_constraint_t cnst = nw_link->constraint;
+      lmm_constraint_t cnst = nw_link->lmm_resource.constraint;
       lmm_variable_t var = NULL;
       lmm_element_t elem = NULL;
 
-      nw_link->state_current = SURF_LINK_OFF;
+      nw_link->lmm_resource.state_current = SURF_RESOURCE_OFF;
       while ((var = lmm_get_var_from_cnst
               (network_maxmin_system, cnst, &elem))) {
         surf_action_t action = lmm_variable_id(var);
@@ -345,6 +369,8 @@ static void update_resource_state(void *id,
         }
       }
     }
+    if (tmgr_trace_event_free(event_type))
+      nw_link->lmm_resource.state_event = NULL;
   } else {
     CRITICAL0("Unknown event ! \n");
     xbt_abort();
@@ -353,8 +379,8 @@ static void update_resource_state(void *id,
   return;
 }
 
-static surf_action_t communicate(const char *src_name, const char *dst_name,int src, int dst, double size,
-                                 double rate)
+static surf_action_t net_communicate(const char *src_name, const char *dst_name,
+                                 int src, int dst, double size, double rate)
 {
   surf_action_network_CM02_t action = NULL;
   /* LARGE PLATFORMS HACK:
@@ -372,52 +398,45 @@ static surf_action_t communicate(const char *src_name, const char *dst_name,int
               "You're trying to send data from %s to %s but there is no connection between these two hosts.",
               src_name, dst_name);
 
-  action = xbt_new0(s_surf_action_network_CM02_t, 1);
-
-  action->generic_action.refcount = 1;
-  action->generic_action.cost = size;
-  action->generic_action.remains = size;
-  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_network_model;
-  action->suspended = 0;        /* Should be useless because of the
-                                   calloc but it seems to help valgrind... */
-  action->generic_action.state_set =
-    surf_network_model->states.running_action_set;
-
   link_CM02_t link;
-  xbt_dynar_foreach(route,i,link) {
-    if (link->state_current == SURF_LINK_OFF) {
-      action->generic_action.state_set =
-        surf_network_model->states.failed_action_set;
+  int failed = 0;
+  xbt_dynar_foreach(route, i, link) {
+    if (link->lmm_resource.state_current == SURF_RESOURCE_OFF) {
+      failed = 1;
       break;
     }
   }
+  action =
+    surf_action_new(sizeof(s_surf_action_network_CM02_t), size,
+                    surf_network_model, failed);
 
   xbt_swag_insert(action, action->generic_action.state_set);
   action->rate = rate;
 
   action->latency = 0.0;
   action->weight = 0.0;
-  xbt_dynar_foreach(route,i,link) {
+  xbt_dynar_foreach(route, i, link) {
     action->latency += link->lat_current;
     action->weight +=
-      link->lat_current + weight_S_parameter / link->bw_current;
+      link->lat_current +
+      sg_weight_S_parameter /
+      (link->lmm_resource.power.peak * link->lmm_resource.power.scale);
   }
   /* LARGE PLATFORMS HACK:
      Add src->link and dst->link latencies */
   action->lat_current = action->latency;
-  action->latency *= latency_factor;
+  action->latency *= sg_latency_factor;
 
   /* LARGE PLATFORMS HACK:
      lmm_variable_new(..., total_route_size) */
   if (action->latency > 0)
     action->variable =
-      lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, xbt_dynar_length(route));
+      lmm_variable_new(network_maxmin_system, action, 0.0, -1.0,
+                       xbt_dynar_length(route));
   else
     action->variable =
-      lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, xbt_dynar_length(route));
+      lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,
+                       xbt_dynar_length(route));
 
   if (action->rate < 0) {
     if (action->lat_current > 0)
@@ -437,39 +456,39 @@ static surf_action_t communicate(const char *src_name, const char *dst_name,int
                                 action->rate);
   }
 
-  xbt_dynar_foreach(route,i,link) {
-    lmm_expand(network_maxmin_system, link->constraint,
+  xbt_dynar_foreach(route, i, link) {
+    lmm_expand(network_maxmin_system, link->lmm_resource.constraint,
                action->variable, 1.0);
   }
   /* LARGE PLATFORMS HACK:
      expand also with src->link and dst->link */
 
+  /* saving the src and dst of this communication */
+  action->src = src;
+  action->dst = dst;
+
   XBT_OUT;
 
   return (surf_action_t) action;
 }
 
-static double get_link_bandwidth(const void *link)
+static double net_get_link_bandwidth(const void *link)
 {
-  return ((link_CM02_t) link)->bw_current;
+  surf_resource_lmm_t lmm = (surf_resource_lmm_t) link;
+  return lmm->power.peak * lmm->power.scale;
 }
 
-static double get_link_latency(const void *link)
+static double net_get_link_latency(const void *link)
 {
   return ((link_CM02_t) link)->lat_current;
 }
 
-static int link_shared(const void *link)
-{
-  return lmm_constraint_is_shared(((link_CM02_t) link)->constraint);
-}
-
-static xbt_dict_t get_properties(void *link)
+static int net_link_shared(const void *link)
 {
-  return ((link_CM02_t) link)->properties;
+  return lmm_constraint_is_shared(((surf_resource_lmm_t) link)->constraint);
 }
 
-static void action_suspend(surf_action_t action)
+static void net_action_suspend(surf_action_t action)
 {
   ((surf_action_network_CM02_t) action)->suspended = 1;
   lmm_update_variable_weight(network_maxmin_system,
@@ -477,7 +496,7 @@ static void action_suspend(surf_action_t action)
                              0.0);
 }
 
-static void action_resume(surf_action_t action)
+static void net_action_resume(surf_action_t action)
 {
   if (((surf_action_network_CM02_t) action)->suspended) {
     lmm_update_variable_weight(network_maxmin_system,
@@ -488,23 +507,22 @@ static void action_resume(surf_action_t action)
   }
 }
 
-static int action_is_suspended(surf_action_t action)
+static int net_action_is_suspended(surf_action_t action)
 {
   return ((surf_action_network_CM02_t) action)->suspended;
 }
 
-static void action_set_max_duration(surf_action_t action, double duration)
+static void net_action_set_max_duration(surf_action_t action, double duration)
 {
   action->max_duration = duration;
 }
 
-static void finalize(void)
+static void net_finalize(void)
 {
   surf_model_exit(surf_network_model);
   surf_network_model = NULL;
 
   used_routing->finalize();
-  host_count = 0;
   lmm_system_free(network_maxmin_system);
   network_maxmin_system = NULL;
 }
@@ -514,38 +532,38 @@ static void surf_network_model_init_internal(void)
   surf_network_model = surf_model_init();
 
   surf_network_model->name = "network";
-  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_unref = net_action_unref;
+  surf_network_model->action_cancel = net_action_cancel;
+  surf_network_model->action_recycle = net_action_recycle;
+  surf_network_model->get_remains = net_action_get_remains;
 
-  surf_network_model->model_private->resource_used = resource_used;
-  surf_network_model->model_private->share_resources = share_resources;
+  surf_network_model->model_private->resource_used = net_resource_used;
+  surf_network_model->model_private->share_resources = net_share_resources;
   surf_network_model->model_private->update_actions_state =
-    update_actions_state;
+    net_update_actions_state;
   surf_network_model->model_private->update_resource_state =
-    update_resource_state;
-  surf_network_model->model_private->finalize = finalize;
+    net_update_resource_state;
+  surf_network_model->model_private->finalize = net_finalize;
 
-  surf_network_model->suspend = action_suspend;
-  surf_network_model->resume = action_resume;
-  surf_network_model->is_suspended = action_is_suspended;
-  surf_cpu_model->set_max_duration = action_set_max_duration;
+  surf_network_model->suspend = net_action_suspend;
+  surf_network_model->resume = net_action_resume;
+  surf_network_model->is_suspended = net_action_is_suspended;
+  surf_cpu_model->set_max_duration = net_action_set_max_duration;
 
-  surf_network_model->extension.network.communicate = communicate;
+  surf_network_model->extension.network.communicate = net_communicate;
   surf_network_model->extension.network.get_link_bandwidth =
-    get_link_bandwidth;
-  surf_network_model->extension.network.get_link_latency = get_link_latency;
-  surf_network_model->extension.network.link_shared = link_shared;
-
-  surf_network_model->get_properties = get_properties;
+    net_get_link_bandwidth;
+  surf_network_model->extension.network.get_link_latency = net_get_link_latency;
+  surf_network_model->extension.network.link_shared = net_link_shared;
 
   if (!network_maxmin_system)
     network_maxmin_system = lmm_system_new();
 
-  routing_model_full_create(sizeof(link_CM02_t),
-      link_new(xbt_strdup("__loopback__"),
-          498000000, NULL, 0.000015, NULL,
-          SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL));
+  routing_model_create(sizeof(link_CM02_t),
+                       net_link_new(xbt_strdup("__loopback__"),
+                                498000000, NULL, 0.000015, NULL,
+                                SURF_RESOURCE_ON, NULL, SURF_LINK_FATPIPE,
+                                NULL));
 }
 
 /************************************************************************/
@@ -557,16 +575,16 @@ void surf_network_model_init_LegrandVelho(const char *filename)
   if (surf_network_model)
     return;
   surf_network_model_init_internal();
-  define_callbacks(filename);
+  net_define_callbacks(filename);
   xbt_dynar_push(model_list, &surf_network_model);
   network_solve = lmm_solve;
 
-  latency_factor = 10.4;
-  bandwidth_factor = 0.92;
-  weight_S_parameter = 8775;
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor",10.4);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775);
 
   update_model_description(surf_network_model_description,
-                           "LegrandVelho", surf_network_model);
+                           "LV08", surf_network_model);
 }
 
 /***************************************************************************/
@@ -586,7 +604,7 @@ void surf_network_model_init_CM02(const char *filename)
   if (surf_network_model)
     return;
   surf_network_model_init_internal();
-  define_callbacks(filename);
+  net_define_callbacks(filename);
   xbt_dynar_push(model_list, &surf_network_model);
   network_solve = lmm_solve;
 
@@ -599,15 +617,15 @@ void surf_network_model_init_Reno(const char *filename)
   if (surf_network_model)
     return;
   surf_network_model_init_internal();
-  define_callbacks(filename);
+  net_define_callbacks(filename);
 
   xbt_dynar_push(model_list, &surf_network_model);
   lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
   network_solve = lagrange_solve;
 
-  latency_factor = 10.4;
-  bandwidth_factor = 0.92;
-  weight_S_parameter = 8775;
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor", 10.4);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775);
 
   update_model_description(surf_network_model_description,
                            "Reno", surf_network_model);
@@ -619,16 +637,16 @@ void surf_network_model_init_Reno2(const char *filename)
   if (surf_network_model)
     return;
   surf_network_model_init_internal();
-  define_callbacks(filename);
+  net_define_callbacks(filename);
 
   xbt_dynar_push(model_list, &surf_network_model);
   lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
                                     func_reno2_fpi);
   network_solve = lagrange_solve;
 
-  latency_factor = 10.4;
-  bandwidth_factor = 0.92;
-  weight_S_parameter = 8775;
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor", 10.4);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S_parameter", 8775);
 
   update_model_description(surf_network_model_description,
                            "Reno2", surf_network_model);
@@ -639,33 +657,17 @@ void surf_network_model_init_Vegas(const char *filename)
   if (surf_network_model)
     return;
   surf_network_model_init_internal();
-  define_callbacks(filename);
+  net_define_callbacks(filename);
 
   xbt_dynar_push(model_list, &surf_network_model);
   lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
                                     func_vegas_fpi);
   network_solve = lagrange_solve;
 
-  latency_factor = 10.4;
-  bandwidth_factor = 0.92;
-  weight_S_parameter = 8775;
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/latency_factor", 10.4);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/bandwidth_factor", 0.92);
+  xbt_cfg_setdefault_double(_surf_cfg_set,"network/weight_S", 8775);
 
   update_model_description(surf_network_model_description,
                            "Vegas", surf_network_model);
 }
-
-#ifdef HAVE_SDP
-void surf_network_model_init_SDP(const char *filename)
-{
-  if (surf_network_model)
-    return;
-  surf_network_model_init_internal();
-  define_callbacks(filename);
-
-  xbt_dynar_push(model_list, &surf_network_model);
-  network_solve = sdp_solve;
-
-  update_model_description(surf_network_model_description,
-                           "SDP", surf_network_model);
-}
-#endif