Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Plug a memleak
[simgrid.git] / src / surf / workstation_ptask_L07.c
index fd6967f..aeecdd6 100644 (file)
@@ -6,8 +6,10 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "xbt/ex.h"
+#include "xbt/str.h"
 #include "xbt/dict.h"
 #include "surf_private.h"
+/* extern lmm_system_t maxmin_system; */
 
 typedef enum {
   SURF_WORKSTATION_RESOURCE_CPU,
@@ -18,36 +20,40 @@ typedef enum {
 /********* cpu object *****************/
 /**************************************/
 typedef struct cpu_L07 {
-  surf_model_t model;  /* Do not move this field */
-  e_surf_workstation_model_type_t type;        /* Do not move this field */
-  char *name;                  /* Do not move this field */
-  lmm_constraint_t constraint; /* Do not move this field */
+  surf_model_t model;           /* Do not move this field: must match model_obj_t */
+  xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
+  e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
+  char *name;                   /* Do not move this field: must match link_L07_t */
+  lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
   double power_scale;
   double power_current;
   tmgr_trace_event_t power_event;
   e_surf_cpu_state_t state_current;
   tmgr_trace_event_t state_event;
-  int id;                      /* cpu and network card are a single object... */
+  int id;                       /* cpu and network card are a single object... */
 } s_cpu_L07_t, *cpu_L07_t;
 
 /**************************************/
 /*********** network object ***********/
 /**************************************/
 
-typedef struct network_link_L07 {
-  surf_model_t model;  /* Do not move this field */
-  e_surf_workstation_model_type_t type;        /* Do not move this field */
-  char *name;                  /* Do not move this field */
-  lmm_constraint_t constraint; /* Do not move this field */
+typedef struct link_L07 {
+  surf_model_t model;           /* Do not move this field: must match model_obj_t */
+  xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
+  e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
+  char *name;                   /* Do not move this field: must match cpu_L07_t */
+  lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
+  double lat_current;
+  tmgr_trace_event_t lat_event;
   double bw_current;
   tmgr_trace_event_t bw_event;
-  e_surf_network_link_state_t state_current;
+  e_surf_link_state_t state_current;
   tmgr_trace_event_t state_event;
-} s_network_link_L07_t, *network_link_L07_t;
+} s_link_L07_t, *link_L07_t;
 
 
 typedef struct s_route_L07 {
-  network_link_L07_t *links;
+  link_L07_t *links;
   int size;
 } s_route_L07_t, *route_L07_t;
 
@@ -57,6 +63,11 @@ typedef struct s_route_L07 {
 typedef struct surf_action_workstation_L07 {
   s_surf_action_t generic_action;
   lmm_variable_t variable;
+  int workstation_nb;
+  cpu_L07_t *workstation_list;
+  double *computation_amount;
+  double *communication_amount;
+  double latency;
   double rate;
   int suspended;
 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
@@ -67,10 +78,48 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
 static int nb_workstation = 0;
 static s_route_L07_t *routing_table = NULL;
 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
-static network_link_L07_t loopback = NULL;
-static xbt_dict_t parallel_task_network_link_set = NULL;
+static link_L07_t loopback = NULL;
+static xbt_dict_t parallel_task_link_set = NULL;
 lmm_system_t ptask_maxmin_system = NULL;
 
+
+static void update_action_bound(surf_action_workstation_L07_t action)
+{
+  int workstation_nb = action->workstation_nb;
+  double lat_current = 0.0;
+  double lat_bound = -1.0;
+  int i, j, k;
+
+  for (i = 0; i < workstation_nb; i++) {
+    for (j = 0; j < workstation_nb; j++) {
+      cpu_L07_t card_src = action->workstation_list[i];
+      cpu_L07_t card_dst = action->workstation_list[j];
+      int route_size = ROUTE(card_src->id, card_dst->id).size;
+      link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
+      double lat = 0.0;
+
+      if (action->communication_amount[i * workstation_nb + j] > 0) {
+        for (k = 0; k < route_size; k++) {
+          lat += route[k]->lat_current;
+        }
+        lat_current =
+          MAX(lat_current,
+              lat * action->communication_amount[i * workstation_nb + j]);
+      }
+    }
+  }
+  lat_bound = sg_tcp_gamma / (2.0 * lat_current);
+  DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
+  if ((action->latency == 0.0) && (action->suspended == 0)) {
+    if (action->rate < 0)
+      lmm_update_variable_bound(ptask_maxmin_system, action->variable,
+                                lat_bound);
+    else
+      lmm_update_variable_bound(ptask_maxmin_system, action->variable,
+                                min(action->rate, lat_bound));
+  }
+}
+
 /**************************************/
 /******* Resource Public     **********/
 /**************************************/
@@ -83,29 +132,38 @@ static void *name_service(const char *name)
 static const char *get_resource_name(void *resource_id)
 {
   /* We can freely cast as a cpu_L07_t because it has the same
-     prefix as network_link_L07_t. However, only cpu_L07_t
+     prefix as link_L07_t. However, only cpu_L07_t
      will theoretically be given as an argument here. */
+
   return ((cpu_L07_t) resource_id)->name;
 }
 
+static xbt_dict_t get_properties(void *r)
+{
+  /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
+  return ((cpu_L07_t) r)->properties;
+}
+
 /* action_get_state is inherited from the surf module */
 
 static void action_use(surf_action_t action)
 {
-  action->using++;
+  action->refcount++;
   return;
 }
 
 static int action_free(surf_action_t action)
 {
-  action->using--;
+  action->refcount--;
 
-  if (!action->using) {
+  if (!action->refcount) {
     xbt_swag_remove(action, action->state_set);
     if (((surf_action_workstation_L07_t) action)->variable)
       lmm_variable_free(ptask_maxmin_system,
-                       ((surf_action_workstation_L07_t) action)->
-                       variable);
+                        ((surf_action_workstation_L07_t) action)->variable);
+    free(((surf_action_workstation_L07_t) action)->workstation_list);
+    free(((surf_action_workstation_L07_t) action)->communication_amount);
+    free(((surf_action_workstation_L07_t) action)->computation_amount);
     free(action);
     return 1;
   }
@@ -133,20 +191,20 @@ static void action_suspend(surf_action_t action)
   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
     ((surf_action_workstation_L07_t) action)->suspended = 1;
     lmm_update_variable_weight(ptask_maxmin_system,
-                              ((surf_action_workstation_L07_t)
-                               action)->variable, 0.0);
+                               ((surf_action_workstation_L07_t)
+                                action)->variable, 0.0);
   }
   XBT_OUT;
 }
 
 static void action_resume(surf_action_t action)
 {
-  XBT_IN1("(%p)", action);
-  if (((surf_action_workstation_L07_t) action)->suspended != 2) {
-    lmm_update_variable_weight(ptask_maxmin_system,
-                              ((surf_action_workstation_L07_t)
-                               action)->variable, 1.0);
-    ((surf_action_workstation_L07_t) action)->suspended = 0;
+  surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
+
+  XBT_IN1("(%p)", act);
+  if (act->suspended != 2) {
+    lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
+    act->suspended = 0;
   }
   XBT_OUT;
 }
@@ -157,7 +215,7 @@ static int action_is_suspended(surf_action_t action)
 }
 
 static void action_set_max_duration(surf_action_t action, double duration)
-{                              /* FIXME: should inherit */
+{                               /* FIXME: should inherit */
   XBT_IN2("(%p,%g)", action, duration);
   action->max_duration = duration;
   XBT_OUT;
@@ -165,7 +223,7 @@ static void action_set_max_duration(surf_action_t action, double duration)
 
 
 static void action_set_priority(surf_action_t action, double priority)
-{                              /* FIXME: should inherit */
+{                               /* FIXME: should inherit */
   XBT_IN2("(%p,%g)", action, priority);
   action->priority = priority;
   XBT_OUT;
@@ -177,25 +235,39 @@ static void action_set_priority(surf_action_t action, double priority)
 
 static int resource_used(void *resource_id)
 {
-  /* We can freely cast as a network_link_L07_t because it has
+  /* We can freely cast as a link_L07_t because it has
      the same prefix as cpu_L07_t */
   return lmm_constraint_used(ptask_maxmin_system,
-                            ((network_link_L07_t) resource_id)->
-                            constraint);
+                             ((link_L07_t) resource_id)->constraint);
 
 }
 
 static double share_resources(double now)
 {
   s_surf_action_workstation_L07_t s_action;
+  surf_action_workstation_L07_t action = NULL;
 
   xbt_swag_t running_actions =
-      surf_workstation_model->common_public->states.running_action_set;
-  double min = generic_maxmin_share_resources2(running_actions,
-                                              xbt_swag_offset(s_action,
-                                                              variable),
-                                              ptask_maxmin_system,
-                                              bottleneck_solve);
+    surf_workstation_model->common_public->states.running_action_set;
+  double min = generic_maxmin_share_resources(running_actions,
+                                              xbt_swag_offset(s_action,
+                                                              variable),
+                                              ptask_maxmin_system,
+                                              bottleneck_solve);
+
+  xbt_swag_foreach(action, running_actions) {
+    if (action->latency > 0) {
+      if (min < 0) {
+        min = action->latency;
+        DEBUG3("Updating min (value) with %p (start %f): %f", action,
+               action->generic_action.start, min);
+      } else if (action->latency < min) {
+        min = action->latency;
+        DEBUG3("Updating min (latency) with %p (start %f): %f", action,
+               action->generic_action.start, min);
+      }
+    }
+  }
 
   DEBUG1("min value : %f", min);
 
@@ -204,29 +276,45 @@ static double share_resources(double now)
 
 static void update_actions_state(double now, double delta)
 {
+  double deltap = 0.0;
   surf_action_workstation_L07_t action = NULL;
   surf_action_workstation_L07_t next_action = NULL;
   xbt_swag_t running_actions =
-      surf_workstation_model->common_public->states.running_action_set;
+    surf_workstation_model->common_public->states.running_action_set;
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
+    deltap = delta;
+    if (action->latency > 0) {
+      if (action->latency > deltap) {
+        double_update(&(action->latency), deltap);
+        deltap = 0.0;
+      } else {
+        double_update(&(deltap), action->latency);
+        action->latency = 0.0;
+      }
+      if ((action->latency == 0.0) && (action->suspended == 0)) {
+        update_action_bound(action);
+        lmm_update_variable_weight(ptask_maxmin_system, action->variable,
+                                   1.0);
+      }
+    }
     DEBUG3("Action (%p) : remains (%g) updated by %g.",
-          action, action->generic_action.remains,
-          lmm_variable_getvalue(action->variable) * delta);
+           action, action->generic_action.remains,
+           lmm_variable_getvalue(action->variable) * delta);
     double_update(&(action->generic_action.remains),
-                 lmm_variable_getvalue(action->variable) * delta);
+                  lmm_variable_getvalue(action->variable) * delta);
 
     if (action->generic_action.max_duration != NO_MAX_DURATION)
       double_update(&(action->generic_action.max_duration), delta);
 
     DEBUG2("Action (%p) : remains (%g).",
-          action, action->generic_action.remains);
+           action, action->generic_action.remains);
     if ((action->generic_action.remains <= 0) &&
-       (lmm_get_variable_weight(action->variable) > 0)) {
+        (lmm_get_variable_weight(action->variable) > 0)) {
       action->generic_action.finish = surf_get_clock();
       surf_action_change_state((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.max_duration <= 0)) {
       action->generic_action.finish = surf_get_clock();
       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
     } else {
@@ -236,15 +324,15 @@ static void update_actions_state(double now, double delta)
       void *constraint_id = NULL;
 
       while ((cnst =
-             lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
-                                   i++))) {
-       constraint_id = lmm_constraint_id(cnst);
+              lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
+                                    i++))) {
+        constraint_id = lmm_constraint_id(cnst);
 
-/*     if(((network_link_L07_t)constraint_id)->type== */
+/*     if(((link_L07_t)constraint_id)->type== */
 /*        SURF_WORKSTATION_RESOURCE_LINK) { */
 /*       DEBUG2("Checking for link %s (%p)", */
-/*              ((network_link_L07_t)constraint_id)->name, */
-/*              ((network_link_L07_t)constraint_id)); */
+/*              ((link_L07_t)constraint_id)->name, */
+/*              ((link_L07_t)constraint_id)); */
 /*     } */
 /*     if(((cpu_L07_t)constraint_id)->type== */
 /*        SURF_WORKSTATION_RESOURCE_CPU) { */
@@ -254,20 +342,19 @@ static void update_actions_state(double now, double delta)
 /*              ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 /*     } */
 
-       if (((((network_link_L07_t) constraint_id)->type ==
-             SURF_WORKSTATION_RESOURCE_LINK) &&
-            (((network_link_L07_t) constraint_id)->state_current ==
-             SURF_NETWORK_LINK_OFF)) ||
-           ((((cpu_L07_t) constraint_id)->type ==
-             SURF_WORKSTATION_RESOURCE_CPU) &&
-            (((cpu_L07_t) constraint_id)->state_current ==
-             SURF_CPU_OFF))) {
-         DEBUG1("Action (%p) Failed!!", action);
-         action->generic_action.finish = surf_get_clock();
-         surf_action_change_state((surf_action_t) action,
-                                  SURF_ACTION_FAILED);
-         break;
-       }
+        if (((((link_L07_t) constraint_id)->type ==
+              SURF_WORKSTATION_RESOURCE_LINK) &&
+             (((link_L07_t) constraint_id)->state_current ==
+              SURF_LINK_OFF)) ||
+            ((((cpu_L07_t) constraint_id)->type ==
+              SURF_WORKSTATION_RESOURCE_CPU) &&
+             (((cpu_L07_t) constraint_id)->state_current == SURF_CPU_OFF))) {
+          DEBUG1("Action (%p) Failed!!", action);
+          action->generic_action.finish = surf_get_clock();
+          surf_action_change_state((surf_action_t) action,
+                                   SURF_ACTION_FAILED);
+          break;
+        }
       }
     }
   }
@@ -275,23 +362,37 @@ static void update_actions_state(double now, double delta)
 }
 
 static void update_resource_state(void *id,
-                                 tmgr_trace_event_t event_type,
-                                 double value)
+                                  tmgr_trace_event_t event_type,
+                                  double value, double date)
 {
   cpu_L07_t cpu = id;
-  network_link_L07_t nw_link = id;
+  link_L07_t nw_link = id;
 
   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
     if (event_type == nw_link->bw_event) {
       nw_link->bw_current = value;
       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
-                                 nw_link->bw_current);
+                                  nw_link->bw_current);
+    } else if (event_type == nw_link->lat_event) {
+      lmm_variable_t var = NULL;
+      surf_action_workstation_L07_t action = NULL;
+      lmm_element_t elem = NULL;
+
+      nw_link->lat_current = value;
+      while ((var = lmm_get_var_from_cnst
+              (ptask_maxmin_system, nw_link->constraint, &elem))) {
+
+
+        action = lmm_variable_id(var);
+        update_action_bound(action);
+      }
+
     } else if (event_type == nw_link->state_event) {
       if (value > 0)
-       nw_link->state_current = SURF_NETWORK_LINK_ON;
+        nw_link->state_current = SURF_LINK_ON;
       else
-       nw_link->state_current = SURF_NETWORK_LINK_OFF;
+        nw_link->state_current = SURF_LINK_OFF;
     } else {
       CRITICAL0("Unknown event ! \n");
       xbt_abort();
@@ -302,12 +403,12 @@ static void update_resource_state(void *id,
     if (event_type == cpu->power_event) {
       cpu->power_current = value;
       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
-                                 cpu->power_current);
+                                  cpu->power_current * cpu->power_scale);
     } else if (event_type == cpu->state_event) {
       if (value > 0)
-       cpu->state_current = SURF_CPU_ON;
+        cpu->state_current = SURF_CPU_ON;
       else
-       cpu->state_current = SURF_CPU_OFF;
+        cpu->state_current = SURF_CPU_OFF;
     } else {
       CRITICAL0("Unknown event ! \n");
       xbt_abort();
@@ -323,19 +424,19 @@ static void finalize(void)
 {
   int i, j;
 
-  xbt_dict_free(&network_link_set);
+  xbt_dict_free(&link_set);
   xbt_dict_free(&workstation_set);
-  if (parallel_task_network_link_set != NULL) {
-    xbt_dict_free(&parallel_task_network_link_set);
+  if (parallel_task_link_set != NULL) {
+    xbt_dict_free(&parallel_task_link_set);
   }
-  xbt_swag_free(surf_workstation_model->common_public->states.
-               ready_action_set);
-  xbt_swag_free(surf_workstation_model->common_public->states.
-               running_action_set);
-  xbt_swag_free(surf_workstation_model->common_public->states.
-               failed_action_set);
-  xbt_swag_free(surf_workstation_model->common_public->states.
-               done_action_set);
+  xbt_swag_free(surf_workstation_model->common_public->
+                states.ready_action_set);
+  xbt_swag_free(surf_workstation_model->common_public->
+                states.running_action_set);
+  xbt_swag_free(surf_workstation_model->common_public->
+                states.failed_action_set);
+  xbt_swag_free(surf_workstation_model->common_public->
+                states.done_action_set);
 
   free(surf_workstation_model->common_public);
   free(surf_workstation_model->common_private);
@@ -377,38 +478,43 @@ static double get_available_speed(void *cpu)
 }
 
 static surf_action_t execute_parallel_task(int workstation_nb,
-                                          void **workstation_list,
-                                          double *computation_amount,
-                                          double *communication_amount,
-                                          double amount, double rate)
+                                           void **workstation_list,
+                                           double *computation_amount,
+                                           double *communication_amount,
+                                           double amount, double rate)
 {
   surf_action_workstation_L07_t action = NULL;
   int i, j, k;
   int nb_link = 0;
   int nb_host = 0;
+  double latency = 0.0;
 
-  if (parallel_task_network_link_set == NULL) {
-    parallel_task_network_link_set =
-       xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
-  }
+  if (parallel_task_link_set == NULL)
+    parallel_task_link_set = xbt_dict_new();
+
+  xbt_dict_reset(parallel_task_link_set);
 
-  /* Compute the number of affected models... */
+  /* Compute the number of affected resources... */
   for (i = 0; i < workstation_nb; i++) {
     for (j = 0; j < workstation_nb; j++) {
       cpu_L07_t card_src = workstation_list[i];
       cpu_L07_t card_dst = workstation_list[j];
       int route_size = ROUTE(card_src->id, card_dst->id).size;
-      network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
+      link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
+      double lat = 0.0;
 
       if (communication_amount[i * workstation_nb + j] > 0)
-       for (k = 0; k < route_size; k++) {
-         xbt_dict_set(parallel_task_network_link_set, route[k]->name,
-                      route[k], NULL);
-       }
+        for (k = 0; k < route_size; k++) {
+          lat += route[k]->lat_current;
+          xbt_dict_set(parallel_task_link_set, route[k]->name,
+                       route[k], NULL);
+        }
+      latency = MAX(latency, lat);
     }
   }
-  nb_link = xbt_dict_length(parallel_task_network_link_set);
-  xbt_dict_reset(parallel_task_network_link_set);
+
+  nb_link = xbt_dict_length(parallel_task_link_set);
+  xbt_dict_reset(parallel_task_link_set);
 
   for (i = 0; i < workstation_nb; i++)
     if (computation_amount[i] > 0)
@@ -416,50 +522,53 @@ static surf_action_t execute_parallel_task(int workstation_nb,
 
   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
-        action, workstation_nb, nb_link);
-  action->generic_action.using = 1;
+         action, workstation_nb, nb_link);
+  action->generic_action.refcount = 1;
   action->generic_action.cost = amount;
   action->generic_action.remains = amount;
   action->generic_action.max_duration = NO_MAX_DURATION;
-  action->generic_action.start = -1.0;
+  action->generic_action.start = surf_get_clock();
   action->generic_action.finish = -1.0;
-  action->generic_action.model_type =
-      (surf_model_t) surf_workstation_model;
-  action->suspended = 0;       /* Should be useless because of the
-                                  calloc but it seems to help valgrind... */
+  action->generic_action.model_type = (surf_model_t) surf_workstation_model;
+  action->suspended = 0;        /* Should be useless because of the
+                                   calloc but it seems to help valgrind... */
+  action->workstation_nb = workstation_nb;
+  action->workstation_list = (cpu_L07_t *) workstation_list;
+  action->computation_amount = computation_amount;
+  action->communication_amount = communication_amount;
+  action->latency = latency;
   action->generic_action.state_set =
-      surf_workstation_model->common_public->states.running_action_set;
+    surf_workstation_model->common_public->states.running_action_set;
 
   xbt_swag_insert(action, action->generic_action.state_set);
   action->rate = rate;
 
-  if (action->rate > 0)
-    action->variable =
-       lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
-                        workstation_nb + nb_link);
-  else
-    action->variable =
-       lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
-                        workstation_nb + nb_link);
+  action->variable =
+    lmm_variable_new(ptask_maxmin_system, action, 1.0,
+                     (action->rate > 0) ? action->rate : -1.0,
+                     workstation_nb + nb_link);
+
+  if (action->latency > 0)
+    lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 
   for (i = 0; i < workstation_nb; i++)
     lmm_expand(ptask_maxmin_system,
-              ((cpu_L07_t) workstation_list[i])->constraint,
-              action->variable, computation_amount[i]);
-  
+               ((cpu_L07_t) workstation_list[i])->constraint,
+               action->variable, computation_amount[i]);
+
   for (i = 0; i < workstation_nb; i++) {
     for (j = 0; j < workstation_nb; j++) {
       cpu_L07_t card_src = workstation_list[i];
       cpu_L07_t card_dst = workstation_list[j];
       int route_size = ROUTE(card_src->id, card_dst->id).size;
-      network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
-      
-      if (communication_amount[i * workstation_nb + j] == 0.0) 
-       continue;
+      link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
+
+      if (communication_amount[i * workstation_nb + j] == 0.0)
+        continue;
       for (k = 0; k < route_size; k++) {
-         lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
-                        action->variable,
-                        communication_amount[i * workstation_nb + j]);
+        lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
+                       action->variable,
+                       communication_amount[i * workstation_nb + j]);
       }
     }
   }
@@ -474,13 +583,20 @@ static surf_action_t execute_parallel_task(int workstation_nb,
 
 static surf_action_t execute(void *cpu, double size)
 {
-  double val = 0.0;
+  void **workstation_list = xbt_new0(void *, 1);
+  double *computation_amount = xbt_new0(double, 1);
+  double *communication_amount = xbt_new0(double, 1);
 
-  return execute_parallel_task(1, &cpu, &size, &val, 1, -1);
+  workstation_list[0] = cpu;
+  communication_amount[0] = 0.0;
+  computation_amount[0] = size;
+
+  return execute_parallel_task(1, workstation_list, computation_amount,
+                               communication_amount, 1, -1);
 }
 
 static surf_action_t communicate(void *src, void *dst, double size,
-                                double rate)
+                                 double rate)
 {
   void **workstation_list = xbt_new0(void *, 2);
   double *computation_amount = xbt_new0(double, 2);
@@ -492,12 +608,8 @@ static surf_action_t communicate(void *src, void *dst, double size,
   communication_amount[1] = size;
 
   res = execute_parallel_task(2, workstation_list,
-                             computation_amount, communication_amount,
-                             1, rate);
-
-  free(computation_amount);
-  free(communication_amount);
-  free(workstation_list);
+                              computation_amount, communication_amount,
+                              1, rate);
 
   return res;
 }
@@ -517,7 +629,7 @@ static surf_action_t action_sleep(void *cpu, double duration)
   return (surf_action_t) action;
 }
 
-/* returns an array of network_link_L07_t */
+/* returns an array of link_L07_t */
 static const void **get_route(void *src, void *dst)
 {
   cpu_L07_t card_src = src;
@@ -537,23 +649,22 @@ static int get_route_size(void *src, void *dst)
 
 static const char *get_link_name(const void *link)
 {
-  return ((network_link_L07_t) link)->name;
+  return ((link_L07_t) link)->name;
 }
 
 static double get_link_bandwidth(const void *link)
 {
-  return ((network_link_L07_t) link)->bw_current;
+  return ((link_L07_t) link)->bw_current;
 }
 
 static double get_link_latency(const void *link)
 {
-  static int warned = 0;
+  return ((link_L07_t) link)->lat_current;
+}
 
-  if(!warned) {
-    WARN0("This model does not take latency into account.");
-    warned = 1;
-  }
-  return 0.0;
+static int link_shared(const void *link)
+{
+  return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 }
 
 /**************************************/
@@ -563,16 +674,19 @@ static double get_link_latency(const void *link)
 static void cpu_free(void *cpu)
 {
   free(((cpu_L07_t) cpu)->name);
+  xbt_dict_free(&(((cpu_L07_t) cpu)->properties));
   free(cpu);
 }
 
 static cpu_L07_t cpu_new(const char *name, double power_scale,
-                        double power_initial,
-                        tmgr_trace_t power_trace,
-                        e_surf_cpu_state_t state_initial,
-                        tmgr_trace_t state_trace)
+                         double power_initial,
+                         tmgr_trace_t power_trace,
+                         e_surf_cpu_state_t state_initial,
+                         tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 {
   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
+  xbt_assert1(!xbt_dict_get_or_null(workstation_set, name),
+              "Host '%s' declared several times in the platform file.", name);
 
   cpu->model = (surf_model_t) surf_workstation_model;
   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
@@ -585,23 +699,31 @@ static cpu_L07_t cpu_new(const char *name, double power_scale,
   cpu->power_current = power_initial;
   if (power_trace)
     cpu->power_event =
-       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
+      tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 
   cpu->state_current = state_initial;
   if (state_trace)
     cpu->state_event =
-       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
+      tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 
   cpu->constraint =
-      lmm_constraint_new(ptask_maxmin_system, cpu,
-                        cpu->power_current * cpu->power_scale);
+    lmm_constraint_new(ptask_maxmin_system, cpu,
+                       cpu->power_current * cpu->power_scale);
+
+  /*add the property set */
+  cpu->properties = current_property_set;
 
   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 
   return cpu;
 }
 
-static void parse_cpu(void)
+static void create_routing_table(void)
+{
+  routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
+}
+
+static void parse_cpu_init(void)
 {
   double power_scale = 0.0;
   double power_initial = 0.0;
@@ -609,45 +731,45 @@ static void parse_cpu(void)
   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
   tmgr_trace_t state_trace = NULL;
 
-  surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
-  surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
-  surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
+  power_scale = get_cpu_power(A_surfxml_host_power);
+  surf_parse_get_double(&power_initial, A_surfxml_host_availability);
+  surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 
-  xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
-             (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
-             "Invalid state");
-  if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
+  xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
+              (A_surfxml_host_state == A_surfxml_host_state_OFF),
+              "Invalid state");
+  if (A_surfxml_host_state == A_surfxml_host_state_ON)
     state_initial = SURF_CPU_ON;
-  if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
+  if (A_surfxml_host_state == A_surfxml_host_state_OFF)
     state_initial = SURF_CPU_OFF;
-  surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
+  surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 
-  cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
-         state_initial, state_trace);
+  current_property_set = xbt_dict_new();
+  cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
+          state_initial, state_trace, current_property_set);
 }
 
-static void create_routing_table(void)
+static void link_free(void *nw_link)
 {
-  routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
-}
-
-static void network_link_free(void *nw_link)
-{
-  free(((network_link_L07_t) nw_link)->name);
+  free(((link_L07_t) nw_link)->name);
+  xbt_dict_free(&(((link_L07_t) nw_link)->properties));
   free(nw_link);
 }
 
-static network_link_L07_t network_link_new(char *name,
-                                          double bw_initial,
-                                          tmgr_trace_t bw_trace,
-                                          e_surf_network_link_state_t
-                                          state_initial,
-                                          tmgr_trace_t state_trace,
-                                          e_surf_network_link_sharing_policy_t
-                                          policy)
+static link_L07_t 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
+                           state_initial,
+                           tmgr_trace_t state_trace,
+                           e_surf_link_sharing_policy_t
+                           policy, xbt_dict_t properties)
 {
-  network_link_L07_t nw_link = xbt_new0(s_network_link_L07_t, 1);
-
+  link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
+  xbt_assert1(!xbt_dict_get_or_null(link_set, name),
+              "Link '%s' declared several times in the platform file.", name);
 
   nw_link->model = (surf_model_t) surf_workstation_model;
   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
@@ -655,74 +777,79 @@ static network_link_L07_t network_link_new(char *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);
+      tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
   nw_link->state_current = state_initial;
+  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);
   if (state_trace)
     nw_link->state_event =
-       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
+      tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 
   nw_link->constraint =
-      lmm_constraint_new(ptask_maxmin_system, nw_link,
-                        nw_link->bw_current);
+    lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 
-  if (policy == SURF_NETWORK_LINK_FATPIPE)
+  if (policy == SURF_LINK_FATPIPE)
     lmm_constraint_shared(nw_link->constraint);
 
-  xbt_dict_set(network_link_set, name, nw_link, network_link_free);
+  nw_link->properties = properties;
+
+  xbt_dict_set(link_set, name, nw_link, link_free);
 
   return nw_link;
 }
 
-static void parse_network_link(void)
+static void parse_link_init(void)
 {
-  char *name;
+  char *name_link;
   double bw_initial;
   tmgr_trace_t bw_trace;
-  e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
-  e_surf_network_link_sharing_policy_t policy_initial =
-      SURF_NETWORK_LINK_SHARED;
+  double lat_initial;
+  tmgr_trace_t lat_trace;
+  e_surf_link_state_t state_initial_link = SURF_LINK_ON;
+  e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
   tmgr_trace_t state_trace;
 
-  name = xbt_strdup(A_surfxml_network_link_name);
-  surf_parse_get_double(&bw_initial, A_surfxml_network_link_bandwidth);
-  surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
-
-  xbt_assert0((A_surfxml_network_link_state ==
-              A_surfxml_network_link_state_ON)
-             || (A_surfxml_network_link_state ==
-                 A_surfxml_network_link_state_OFF), "Invalid state");
-  if (A_surfxml_network_link_state == A_surfxml_network_link_state_ON)
-    state_initial = SURF_NETWORK_LINK_ON;
-  else if (A_surfxml_network_link_state ==
-          A_surfxml_network_link_state_OFF)
-    state_initial = SURF_NETWORK_LINK_OFF;
-
-  if (A_surfxml_network_link_sharing_policy ==
-      A_surfxml_network_link_sharing_policy_SHARED)
-    policy_initial = SURF_NETWORK_LINK_SHARED;
-  else if (A_surfxml_network_link_sharing_policy ==
-          A_surfxml_network_link_sharing_policy_FATPIPE)
-    policy_initial = SURF_NETWORK_LINK_FATPIPE;
-
-  surf_parse_get_trace(&state_trace, A_surfxml_network_link_state_file);
-
-  network_link_new(name, bw_initial, bw_trace, state_initial, state_trace,
-                  policy_initial);
+  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);
+  surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
+  surf_parse_get_trace(&lat_trace, 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;
+  else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
+    state_initial_link = SURF_LINK_OFF;
+
+  if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
+    policy_initial_link = SURF_LINK_SHARED;
+  else if (A_surfxml_link_sharing_policy ==
+           A_surfxml_link_sharing_policy_FATPIPE)
+    policy_initial_link = SURF_LINK_FATPIPE;
+
+  surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
+
+  current_property_set = xbt_dict_new();
+  link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
+           state_initial_link, state_trace, policy_initial_link,
+           current_property_set);
 }
 
 static void route_new(int src_id, int dst_id,
-                     network_link_L07_t * link_list, int nb_link)
+                      link_L07_t * link_list, int nb_link)
 {
   route_L07_t route = &(ROUTE(src_id, dst_id));
 
   route->size = nb_link;
   route->links = link_list =
-      xbt_realloc(link_list, sizeof(network_link_L07_t) * nb_link);
+    xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 }
 
-static int nb_link;
-static int link_list_capacity;
-static network_link_L07_t *link_list = NULL;
+
 static int src_id = -1;
 static int dst_id = -1;
 
@@ -740,80 +867,182 @@ static void parse_route_set_endpoints(void)
   if (cpu_tmp != NULL)
     dst_id = cpu_tmp->id;
 
-  nb_link = 0;
-  link_list_capacity = 1;
-  link_list = xbt_new(network_link_L07_t, link_list_capacity);
-}
-
-static void parse_route_elem(void)
-{
-  xbt_ex_t e;
-  if (nb_link == link_list_capacity) {
-    link_list_capacity *= 2;
-    link_list =
-       xbt_realloc(link_list,
-                   (link_list_capacity) * sizeof(network_link_L07_t));
-  }
-  TRY {
-    link_list[nb_link++] =
-       xbt_dict_get(network_link_set, A_surfxml_route_element_name);
-  }
-  CATCH(e) {
-    RETHROW1("Link %s not found (dict raised this exception: %s)",
-            A_surfxml_route_element_name);
-  }
+  route_action = A_surfxml_route_action;
 }
 
 static void parse_route_set_route(void)
 {
-  if (src_id != -1 && dst_id != -1)
-    route_new(src_id, dst_id, link_list, nb_link);
+  char *name;
+  if (src_id != -1 && dst_id != -1) {
+    name = bprintf("%x#%x", src_id, dst_id);
+    manage_route(route_table, name, route_action, 0);
+    free(name);
+  }
 }
 
-static void parse_file(const char *file)
+static void add_loopback(void)
 {
   int i;
 
-  /* Figuring out the cpus */
-  surf_parse_reset_parser();
-  ETag_surfxml_cpu_fun = parse_cpu;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
-
-  create_routing_table();
-
-  /* Figuring out the network links */
-  surf_parse_reset_parser();
-  ETag_surfxml_network_link_fun = parse_network_link;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
-
-  /* Building the routes */
-  surf_parse_reset_parser();
-  STag_surfxml_route_fun = parse_route_set_endpoints;
-  ETag_surfxml_route_element_fun = parse_route_elem;
-  ETag_surfxml_route_fun = parse_route_set_route;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
-
   /* Adding loopback if needed */
   for (i = 0; i < nb_workstation; i++)
     if (!ROUTE(i, i).size) {
       if (!loopback)
-       loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
-                                   498000000, NULL,
-                                   SURF_NETWORK_LINK_ON, NULL,
-                                   SURF_NETWORK_LINK_FATPIPE);
+        loopback = link_new(xbt_strdup("__MSG_loopback__"),
+                            498000000, NULL, 0.000015, NULL,
+                            SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
 
       ROUTE(i, i).size = 1;
-      ROUTE(i, i).links = xbt_new0(network_link_L07_t, 1);
+      ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
       ROUTE(i, i).links[0] = loopback;
     }
 }
 
+static void add_route(void)
+{
+  xbt_ex_t e;
+  int nb_link = 0;
+  unsigned int cpt = 0;
+  int link_list_capacity = 0;
+  link_L07_t *link_list = NULL;
+  xbt_dict_cursor_t cursor = NULL;
+  char *key, *data, *end;
+  const char *sep = "#";
+  xbt_dynar_t links, keys;
+  char *link = NULL;
+
+  if (routing_table == NULL)
+    create_routing_table();
+
+  xbt_dict_foreach(route_table, cursor, key, data) {
+    nb_link = 0;
+    links = (xbt_dynar_t) data;
+    keys = xbt_str_split_str(key, sep);
+
+    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);
+
+    link_list_capacity = xbt_dynar_length(links);
+    link_list = xbt_new(link_L07_t, link_list_capacity);
+
+
+    xbt_dynar_foreach(links, cpt, link) {
+      TRY {
+        link_list[nb_link++] = xbt_dict_get(link_set, link);
+      }
+      CATCH(e) {
+        RETHROW1("Link %s not found (dict raised this exception: %s)", link);
+      }
+    }
+    route_new(src_id, dst_id, link_list, nb_link);
+  }
+}
+
+static void add_traces(void)
+{
+  xbt_dict_cursor_t cursor = NULL;
+  char *trace_name, *elm;
+
+  if (!trace_connect_list_host_avail)
+    return;
+
+  /* Connect traces relative to cpu */
+  xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
+    tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
+    cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
+
+    xbt_assert1(host, "Host %s undefined", elm);
+    xbt_assert1(trace, "Trace %s undefined", trace_name);
+
+    host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
+  }
+
+  xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
+    tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
+    cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
+
+    xbt_assert1(host, "Host %s undefined", elm);
+    xbt_assert1(trace, "Trace %s undefined", trace_name);
+
+    host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
+  }
+
+  /* Connect 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_L07_t link = xbt_dict_get_or_null(link_set, elm);
+
+    xbt_assert1(link, "Link %s undefined", elm);
+    xbt_assert1(trace, "Trace %s undefined", trace_name);
+
+    link->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_L07_t link = xbt_dict_get_or_null(link_set, elm);
+
+    xbt_assert1(link, "Link %s undefined", elm);
+    xbt_assert1(trace, "Trace %s undefined", trace_name);
+
+    link->bw_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_L07_t link = xbt_dict_get_or_null(link_set, elm);
+
+    xbt_assert1(link, "Link %s undefined", elm);
+    xbt_assert1(trace, "Trace %s undefined", trace_name);
+
+    link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+  }
+/*
+
+   xbt_dynar_foreach (traces_connect_list, cpt, value) {
+     trace_connect = xbt_str_split_str(value, "#");
+     trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
+     connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*));
+     connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
+     connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
+
+     xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
+
+     if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
+        xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
+        switch (connect_kind) {
+           case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
+           case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
+        }
+     }
+     else {
+        xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
+        switch (connect_kind) {
+           case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+           case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+           case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+        }
+     }
+   }
+*/
+}
+
+static void define_callbacks(const char *file)
+{
+  /* Adding callback functions */
+  surf_parse_reset_parser();
+  surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
+  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);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
+}
+
+
 /**************************************/
 /********* Module  creation ***********/
 /**************************************/
@@ -825,80 +1054,75 @@ static void model_init_internal(void)
   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
 
   surf_workstation_model->common_private =
-      xbt_new0(s_surf_model_private_t, 1);
-  surf_workstation_model->common_public =
-      xbt_new0(s_surf_model_public_t, 1);
+    xbt_new0(s_surf_model_private_t, 1);
+  surf_workstation_model->common_public = xbt_new0(s_surf_model_public_t, 1);
   surf_workstation_model->extension_public =
-      xbt_new0(s_surf_workstation_model_extension_public_t, 1);
+    xbt_new0(s_surf_workstation_model_extension_public_t, 1);
 
   surf_workstation_model->common_public->states.ready_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
+    xbt_swag_new(xbt_swag_offset(action, state_hookup));
   surf_workstation_model->common_public->states.running_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
+    xbt_swag_new(xbt_swag_offset(action, state_hookup));
   surf_workstation_model->common_public->states.failed_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
+    xbt_swag_new(xbt_swag_offset(action, state_hookup));
   surf_workstation_model->common_public->states.done_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
+    xbt_swag_new(xbt_swag_offset(action, state_hookup));
 
   surf_workstation_model->common_public->name_service = name_service;
   surf_workstation_model->common_public->get_resource_name =
-      get_resource_name;
+    get_resource_name;
   surf_workstation_model->common_public->action_get_state =
-      surf_action_get_state;
+    surf_action_get_state;
   surf_workstation_model->common_public->action_get_start_time =
-      surf_action_get_start_time;
+    surf_action_get_start_time;
   surf_workstation_model->common_public->action_get_finish_time =
-      surf_action_get_finish_time;
+    surf_action_get_finish_time;
   surf_workstation_model->common_public->action_use = action_use;
   surf_workstation_model->common_public->action_free = action_free;
   surf_workstation_model->common_public->action_cancel = action_cancel;
-  surf_workstation_model->common_public->action_recycle =
-      action_recycle;
+  surf_workstation_model->common_public->action_recycle = action_recycle;
   surf_workstation_model->common_public->action_change_state =
-      surf_action_change_state;
+    surf_action_change_state;
   surf_workstation_model->common_public->action_set_data =
-      surf_action_set_data;
+    surf_action_set_data;
   surf_workstation_model->common_public->suspend = action_suspend;
   surf_workstation_model->common_public->resume = action_resume;
-  surf_workstation_model->common_public->is_suspended =
-      action_is_suspended;
+  surf_workstation_model->common_public->is_suspended = action_is_suspended;
   surf_workstation_model->common_public->set_max_duration =
-      action_set_max_duration;
-  surf_workstation_model->common_public->set_priority =
-      action_set_priority;
+    action_set_max_duration;
+  surf_workstation_model->common_public->set_priority = action_set_priority;
   surf_workstation_model->common_public->name = "Workstation ptask_L07";
 
   surf_workstation_model->common_private->resource_used = resource_used;
-  surf_workstation_model->common_private->share_resources =
-      share_resources;
+  surf_workstation_model->common_private->share_resources = share_resources;
   surf_workstation_model->common_private->update_actions_state =
-      update_actions_state;
+    update_actions_state;
   surf_workstation_model->common_private->update_resource_state =
-      update_resource_state;
+    update_resource_state;
   surf_workstation_model->common_private->finalize = finalize;
 
   surf_workstation_model->extension_public->execute = execute;
   surf_workstation_model->extension_public->sleep = action_sleep;
-  surf_workstation_model->extension_public->get_state =
-      resource_get_state;
+  surf_workstation_model->extension_public->get_state = resource_get_state;
   surf_workstation_model->extension_public->get_speed = get_speed;
   surf_workstation_model->extension_public->get_available_speed =
-      get_available_speed;
+    get_available_speed;
   surf_workstation_model->extension_public->communicate = communicate;
   surf_workstation_model->extension_public->execute_parallel_task =
-      execute_parallel_task;
+    execute_parallel_task;
   surf_workstation_model->extension_public->get_route = get_route;
-  surf_workstation_model->extension_public->get_route_size =
-      get_route_size;
-  surf_workstation_model->extension_public->get_link_name =
-      get_link_name;
+  surf_workstation_model->extension_public->get_route_size = get_route_size;
+  surf_workstation_model->extension_public->get_link_name = get_link_name;
   surf_workstation_model->extension_public->get_link_bandwidth =
-      get_link_bandwidth;
+    get_link_bandwidth;
   surf_workstation_model->extension_public->get_link_latency =
-      get_link_latency;
+    get_link_latency;
+  surf_workstation_model->extension_public->link_shared = link_shared;
+
+  surf_workstation_model->common_public->get_properties = get_properties;
 
   workstation_set = xbt_dict_new();
-  network_link_set = xbt_dict_new();
+  link_set = xbt_dict_new();
 
   if (!ptask_maxmin_system)
     ptask_maxmin_system = lmm_system_new();
@@ -910,15 +1134,12 @@ static void model_init_internal(void)
 void surf_workstation_model_init_ptask_L07(const char *filename)
 {
   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
-  xbt_assert0(!surf_network_model,
-             "network model type already defined");
+  xbt_assert0(!surf_network_model, "network model type already defined");
   model_init_internal();
-  parse_file(filename);
-  WARN0("This model does not take latency into account.");
+  define_callbacks(filename);
 
   update_model_description(surf_workstation_model_description,
-                             surf_workstation_model_description_size,
-                             "ptask_L07",
-                             (surf_model_t) surf_workstation_model);
+                           "ptask_L07",
+                           (surf_model_t) surf_workstation_model);
   xbt_dynar_push(model_list, &surf_workstation_model);
 }