Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Additionnal information never hurt.
[simgrid.git] / src / surf / workstation_ptask_L07.c
index f073976..d689f68 100644 (file)
@@ -8,10 +8,12 @@
 #include "xbt/str.h"
 #include "xbt/dict.h"
 #include "surf_private.h"
+#include "surf/surf_resource.h"
+//#include "surf/surf_resource_lmm.h"
 
 typedef enum {
   SURF_WORKSTATION_RESOURCE_CPU,
-  SURF_WORKSTATION_RESOURCE_LINK,
+  SURF_WORKSTATION_RESOURCE_LINK
 } e_surf_workstation_model_type_t;
 
 /**************************************/
@@ -24,9 +26,9 @@ typedef struct cpu_L07 {
   double power_scale;
   double power_current;
   tmgr_trace_event_t power_event;
-  e_surf_resource_state_t state_current;
   tmgr_trace_event_t state_event;
-  int id;                       /* cpu and network card are a single object... */
+  e_surf_resource_state_t state_current;
+  sg_routing_edge_t info;
 } s_cpu_L07_t, *cpu_L07_t;
 
 /**************************************/
@@ -67,6 +69,19 @@ static int ptask_host_count = 0;
 static xbt_dict_t ptask_parallel_task_link_set = NULL;
 lmm_system_t ptask_maxmin_system = NULL;
 
+static surf_action_t die_impossible_communicate (sg_routing_edge_t src,
+                                                 sg_routing_edge_t dst,
+                                                 double size, double rate)
+{
+  DIE_IMPOSSIBLE;
+  return NULL;
+}
+
+static xbt_dynar_t die_impossible_get_route(void *src, void *dst)
+{
+  DIE_IMPOSSIBLE;
+  return NULL;
+}
 
 static void ptask_update_action_bound(surf_action_workstation_L07_t action)
 {
@@ -74,28 +89,24 @@ static void ptask_update_action_bound(surf_action_workstation_L07_t action)
   double lat_current = 0.0;
   double lat_bound = -1.0;
   int i, j;
-  unsigned int cpt;
-  link_L07_t link;
 
   for (i = 0; i < workstation_nb; i++) {
     for (j = 0; j < workstation_nb; j++) {
-      xbt_dynar_t route = global_routing->get_route(surf_resource_name(action->workstation_list[i]),
-                 surf_resource_name(action->workstation_list[j]));
-
-      double lat = 0.0;
+      xbt_dynar_t route=NULL;
 
       if (action->communication_amount[i * workstation_nb + j] > 0) {
-        xbt_dynar_foreach(route, cpt, link) {
-          lat += link->lat_current;
-        }
+        double lat = 0.0;
+        routing_get_route_and_latency(((cpu_L07_t)surf_workstation_resource_priv(action->workstation_list[i]))->info,
+            ((cpu_L07_t)surf_workstation_resource_priv(action->workstation_list[j]))->info,
+            &route, &lat);
         lat_current =
-          MAX(lat_current,
-              lat * action->communication_amount[i * workstation_nb + j]);
+            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);
+  XBT_DEBUG("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,
@@ -118,11 +129,12 @@ static int ptask_action_unref(surf_action_t action)
     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);
+    surf_action_free(&action);
     return 1;
   }
   return 0;
@@ -139,26 +151,27 @@ static void ptask_action_cancel(surf_action_t action)
 
 static void ptask_action_suspend(surf_action_t action)
 {
-  XBT_IN1("(%p))", action);
+  XBT_IN("(%p))", 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);
   }
-  XBT_OUT;
+  XBT_OUT();
 }
 
 static void ptask_action_resume(surf_action_t action)
 {
-  surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
+  surf_action_workstation_L07_t act =
+      (surf_action_workstation_L07_t) action;
 
-  XBT_IN1("(%p)", act);
+  XBT_IN("(%p)", act);
   if (act->suspended != 2) {
     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
     act->suspended = 0;
   }
-  XBT_OUT;
+  XBT_OUT();
 }
 
 static int ptask_action_is_suspended(surf_action_t action)
@@ -166,26 +179,28 @@ static int ptask_action_is_suspended(surf_action_t action)
   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 }
 
-static void ptask_action_set_max_duration(surf_action_t action, double duration)
+static void ptask_action_set_max_duration(surf_action_t action,
+                                          double duration)
 {                               /* FIXME: should inherit */
-  XBT_IN2("(%p,%g)", action, duration);
+  XBT_IN("(%p,%g)", action, duration);
   action->max_duration = duration;
-  XBT_OUT;
+  XBT_OUT();
 }
 
 
-static void ptask_action_set_priority(surf_action_t action, double priority)
+static void ptask_action_set_priority(surf_action_t action,
+                                      double priority)
 {                               /* FIXME: should inherit */
-  XBT_IN2("(%p,%g)", action, priority);
+  XBT_IN("(%p,%g)", action, priority);
   action->priority = priority;
-  XBT_OUT;
+  XBT_OUT();
 }
 
 static double ptask_action_get_remains(surf_action_t action)
 {
-  XBT_IN1("(%p)", action);
+  XBT_IN("(%p)", action);
+  XBT_OUT();
   return action->remains;
-  XBT_OUT;
 }
 
 /**************************************/
@@ -207,7 +222,7 @@ static double ptask_share_resources(double now)
   surf_action_workstation_L07_t action = NULL;
 
   xbt_swag_t running_actions =
-    surf_workstation_model->states.running_action_set;
+      surf_workstation_model->states.running_action_set;
   double min = generic_maxmin_share_resources(running_actions,
                                               xbt_swag_offset(s_action,
                                                               variable),
@@ -218,17 +233,17 @@ static double ptask_share_resources(double now)
     if (action->latency > 0) {
       if (min < 0) {
         min = action->latency;
-        DEBUG3("Updating min (value) with %p (start %f): %f", action,
+        XBT_DEBUG("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,
+        XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
                action->generic_action.start, min);
       }
     }
   }
 
-  DEBUG1("min value : %f", min);
+  XBT_DEBUG("min value : %f", min);
 
   return min;
 }
@@ -239,7 +254,7 @@ static void ptask_update_actions_state(double now, double delta)
   surf_action_workstation_L07_t action = NULL;
   surf_action_workstation_L07_t next_action = NULL;
   xbt_swag_t running_actions =
-    surf_workstation_model->states.running_action_set;
+      surf_workstation_model->states.running_action_set;
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
     deltap = delta;
@@ -257,7 +272,7 @@ static void ptask_update_actions_state(double now, double delta)
                                    1.0);
       }
     }
-    DEBUG3("Action (%p) : remains (%g) updated by %g.",
+    XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
            action, action->generic_action.remains,
            lmm_variable_getvalue(action->variable) * delta);
     double_update(&(action->generic_action.remains),
@@ -266,7 +281,7 @@ static void ptask_update_actions_state(double now, double delta)
     if (action->generic_action.max_duration != NO_MAX_DURATION)
       double_update(&(action->generic_action.max_duration), delta);
 
-    DEBUG2("Action (%p) : remains (%g).",
+    XBT_DEBUG("Action (%p) : remains (%g).",
            action, action->generic_action.remains);
     if ((action->generic_action.remains <= 0) &&
         (lmm_get_variable_weight(action->variable) > 0)) {
@@ -287,19 +302,19 @@ static void ptask_update_actions_state(double now, double delta)
                                     i++))) {
         constraint_id = lmm_constraint_id(cnst);
 
-/*     if(((link_L07_t)constraint_id)->type== */
-/*        SURF_WORKSTATION_RESOURCE_LINK) { */
-/*       DEBUG2("Checking for link %s (%p)", */
-/*              ((link_L07_t)constraint_id)->name, */
-/*              ((link_L07_t)constraint_id)); */
-/*     } */
-/*     if(((cpu_L07_t)constraint_id)->type== */
-/*        SURF_WORKSTATION_RESOURCE_CPU) { */
-/*       DEBUG3("Checking for cpu %s (%p) : %s", */
-/*              ((cpu_L07_t)constraint_id)->name, */
-/*              ((cpu_L07_t)constraint_id), */
-/*              ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
-/*     } */
+/*   if(((link_L07_t)constraint_id)->type== */
+/*      SURF_WORKSTATION_RESOURCE_LINK) { */
+/*     XBT_DEBUG("Checking for link %s (%p)", */
+/*      ((link_L07_t)constraint_id)->name, */
+/*      ((link_L07_t)constraint_id)); */
+/*   } */
+/*   if(((cpu_L07_t)constraint_id)->type== */
+/*      SURF_WORKSTATION_RESOURCE_CPU) { */
+/*     XBT_DEBUG("Checking for cpu %s (%p) : %s", */
+/*      ((cpu_L07_t)constraint_id)->name, */
+/*      ((cpu_L07_t)constraint_id), */
+/*      ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
+/*   } */
 
         if (((((link_L07_t) constraint_id)->type ==
               SURF_WORKSTATION_RESOURCE_LINK) &&
@@ -309,9 +324,10 @@ static void ptask_update_actions_state(double now, double delta)
               SURF_WORKSTATION_RESOURCE_CPU) &&
              (((cpu_L07_t) constraint_id)->state_current ==
               SURF_RESOURCE_OFF))) {
-          DEBUG1("Action (%p) Failed!!", action);
+          XBT_DEBUG("Action (%p) Failed!!", action);
           action->generic_action.finish = surf_get_clock();
-          surf_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
+          surf_action_state_set((surf_action_t) action,
+                                SURF_ACTION_FAILED);
           break;
         }
       }
@@ -321,14 +337,15 @@ static void ptask_update_actions_state(double now, double delta)
 }
 
 static void ptask_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)
 {
   cpu_L07_t cpu = id;
   link_L07_t nw_link = id;
 
   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
-    DEBUG2("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
+    XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g",
+      surf_resource_name(nw_link), nw_link, value, date);
     if (event_type == nw_link->bw_event) {
       nw_link->bw_current = value;
       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
@@ -359,13 +376,13 @@ static void ptask_update_resource_state(void *id,
       if (tmgr_trace_event_free(event_type))
         nw_link->state_event = NULL;
     } else {
-      CRITICAL0("Unknown event ! \n");
+      XBT_CRITICAL("Unknown event ! \n");
       xbt_abort();
     }
     return;
   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
-    DEBUG3("Updating cpu %s (%p) with value %g", surf_resource_name(cpu), cpu,
-           value);
+    XBT_DEBUG("Updating cpu %s (%p) with value %g", surf_resource_name(cpu),
+           cpu, value);
     if (event_type == cpu->power_event) {
       cpu->power_current = value;
       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
@@ -380,7 +397,7 @@ static void ptask_update_resource_state(void *id,
       if (tmgr_trace_event_free(event_type))
         cpu->state_event = NULL;
     } else {
-      CRITICAL0("Unknown event ! \n");
+      XBT_CRITICAL("Unknown event ! \n");
       xbt_abort();
     }
     return;
@@ -392,15 +409,12 @@ static void ptask_update_resource_state(void *id,
 
 static void ptask_finalize(void)
 {
-  if (ptask_parallel_task_link_set != NULL)
-    xbt_dict_free(&ptask_parallel_task_link_set);
+  xbt_dict_free(&ptask_parallel_task_link_set);
 
   surf_model_exit(surf_workstation_model);
   surf_workstation_model = NULL;
   surf_model_exit(surf_network_model);
   surf_network_model = NULL;
-  // used_routing->finalize(); // COMMENTED BY DAVID
-  global_routing->finalize();
 
   ptask_host_count = 0;
 
@@ -416,24 +430,25 @@ static void ptask_finalize(void)
 
 static e_surf_resource_state_t ptask_resource_get_state(void *cpu)
 {
-  return ((cpu_L07_t) cpu)->state_current;
+  return ((cpu_L07_t)surf_workstation_resource_priv(cpu))->state_current;
 }
 
 static double ptask_get_speed(void *cpu, double load)
 {
-  return load * (((cpu_L07_t) cpu)->power_scale);
+  return load * ((cpu_L07_t)surf_workstation_resource_priv(cpu))->power_scale;
 }
 
 static double ptask_get_available_speed(void *cpu)
 {
-  return ((cpu_L07_t) cpu)->power_current;
+  return ((cpu_L07_t)surf_workstation_resource_priv(cpu))->power_current;
 }
 
 static surf_action_t ptask_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 rate)
 {
   surf_action_workstation_L07_t action = NULL;
   int i, j;
@@ -443,25 +458,30 @@ static surf_action_t ptask_execute_parallel_task(int workstation_nb,
   double latency = 0.0;
 
   if (ptask_parallel_task_link_set == NULL)
-    ptask_parallel_task_link_set = xbt_dict_new();
+    ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
 
   xbt_dict_reset(ptask_parallel_task_link_set);
 
   /* Compute the number of affected resources... */
   for (i = 0; i < workstation_nb; i++) {
     for (j = 0; j < workstation_nb; j++) {
-      link_L07_t link;
-      xbt_dynar_t route = global_routing->get_route(surf_resource_name(workstation_list[i]),
-                                                                                                                 surf_resource_name(workstation_list[j]));
-      double lat = 0.0;
+      xbt_dynar_t route=NULL;
+
+      if (communication_amount[i * workstation_nb + j] > 0) {
+        double lat=0.0;
+        unsigned int cpt;
+        link_L07_t link;
+
+        routing_get_route_and_latency(
+            ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->info,
+            ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[j]))->info,
+            &route,&lat);
+        latency = MAX(latency, lat);
 
-      if (communication_amount[i * workstation_nb + j] > 0)
         xbt_dynar_foreach(route, cpt, link) {
-        lat += link->lat_current;
-        xbt_dict_set(ptask_parallel_task_link_set, link->generic_resource.name,
-                     link, NULL);
+           xbt_dict_set(ptask_parallel_task_link_set,link->generic_resource.name,link,NULL);
         }
-      latency = MAX(latency, lat);
+      }
     }
   }
 
@@ -473,10 +493,10 @@ static surf_action_t ptask_execute_parallel_task(int workstation_nb,
       nb_host++;
 
   action =
-    surf_action_new(sizeof(s_surf_action_workstation_L07_t), amount,
-                    surf_workstation_model, 0);
-  DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.", action,
-         workstation_nb, nb_link);
+      surf_action_new(sizeof(s_surf_action_workstation_L07_t), 1,
+                      surf_workstation_model, 0);
+  XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
+         action, workstation_nb, nb_link);
   action->suspended = 0;        /* Should be useless because of the
                                    calloc but it seems to help valgrind... */
   action->workstation_nb = workstation_nb;
@@ -487,26 +507,30 @@ static surf_action_t ptask_execute_parallel_task(int workstation_nb,
   action->rate = rate;
 
   action->variable =
-    lmm_variable_new(ptask_maxmin_system, action, 1.0,
-                     (action->rate > 0) ? action->rate : -1.0,
-                     workstation_nb + nb_link);
+      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,
+               ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->constraint,
                action->variable, computation_amount[i]);
 
   for (i = 0; i < workstation_nb; i++) {
     for (j = 0; j < workstation_nb; j++) {
       link_L07_t link;
-      xbt_dynar_t route = global_routing->get_route(surf_resource_name(workstation_list[i]),
-                                                                                                                 surf_resource_name(workstation_list[j]));
-
+      xbt_dynar_t route=NULL;
       if (communication_amount[i * workstation_nb + j] == 0.0)
         continue;
+
+      routing_get_route_and_latency(
+          ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[i]))->info,
+          ((cpu_L07_t)surf_workstation_resource_priv(workstation_list[j]))->info,
+          &route,NULL);
+
       xbt_dynar_foreach(route, cpt, link) {
         lmm_expand_add(ptask_maxmin_system, link->constraint,
                        action->variable,
@@ -533,12 +557,13 @@ static surf_action_t ptask_execute(void *cpu, double size)
   communication_amount[0] = 0.0;
   computation_amount[0] = size;
 
-  return ptask_execute_parallel_task(1, workstation_list, computation_amount,
-                               communication_amount, 1, -1);
+  return ptask_execute_parallel_task(1, workstation_list,
+                                     computation_amount,
+                                     communication_amount, -1);
 }
 
 static surf_action_t ptask_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);
@@ -550,8 +575,8 @@ static surf_action_t ptask_communicate(void *src, void *dst, double size,
   communication_amount[1] = size;
 
   res = ptask_execute_parallel_task(2, workstation_list,
-                              computation_amount, communication_amount,
-                              1, rate);
+                                    computation_amount,
+                                    communication_amount, rate);
 
   return res;
 }
@@ -560,20 +585,24 @@ static surf_action_t ptask_action_sleep(void *cpu, double duration)
 {
   surf_action_workstation_L07_t action = NULL;
 
-  XBT_IN2("(%s,%g)", surf_resource_name(cpu), duration);
+  XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
 
   action = (surf_action_workstation_L07_t) ptask_execute(cpu, 1.0);
   action->generic_action.max_duration = duration;
   action->suspended = 2;
   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 
-  XBT_OUT;
+  XBT_OUT();
   return (surf_action_t) action;
 }
 
-static xbt_dynar_t ptask_get_route(void *src, void *dst)
+static xbt_dynar_t ptask_get_route(void *src, void *dst) // FIXME: kill that callback kind?
 {
-       return global_routing->get_route( surf_resource_name(src), surf_resource_name(dst));
+  xbt_dynar_t route=NULL;
+  routing_get_route_and_latency(
+      ((cpu_L07_t)surf_workstation_resource_priv(src))->info, ((cpu_L07_t)surf_workstation_resource_priv(dst))->info,
+      &route,NULL);
+  return route;
 }
 
 static double ptask_get_link_bandwidth(const void *link)
@@ -595,183 +624,146 @@ static int ptask_link_shared(const void *link)
 /*** Resource Creation & Destruction **/
 /**************************************/
 
-static cpu_L07_t ptask_cpu_new(const char *name, double power_scale,
-                         double power_initial,
-                         tmgr_trace_t power_trace,
-                         e_surf_resource_state_t state_initial,
-                         tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
+static void* ptask_cpu_create_resource(const char *name, double power_scale,
+                               double power_initial,
+                               tmgr_trace_t power_trace,
+                               e_surf_resource_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(!surf_model_resource_by_name(surf_workstation_model, name),
-              "Host '%s' declared several times in the platform file.", name);
+  cpu_L07_t cpu = NULL;
+  xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
+              "Host '%s' declared several times in the platform file.",
+              name);
+
+  cpu = (cpu_L07_t) surf_resource_new(sizeof(s_cpu_L07_t),
+          surf_workstation_model, name,cpu_properties);
 
-  cpu->generic_resource.model = surf_workstation_model;
   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
-  cpu->generic_resource.name = xbt_strdup(name);
-  cpu->generic_resource.properties = current_property_set;
-  cpu->id = ptask_host_count++;
+  cpu->info = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
+  if(!(cpu->info)) xbt_die("Don't find ROUTING_HOST_LEVEL for '%s'",name);
 
   cpu->power_scale = power_scale;
-  xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
+  xbt_assert(cpu->power_scale > 0, "Power has to be >0");
 
   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);
 
-  xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
-               surf_resource_free);
+  xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, cpu);
 
-  return cpu;
+  return xbt_lib_get_elm_or_null(host_lib, name);
 }
 
-static void ptask_parse_cpu_init(void)
+static void ptask_parse_cpu_init(sg_platf_host_cbarg_t host)
 {
-  double power_scale = 0.0;
-  double power_initial = 0.0;
-  tmgr_trace_t power_trace = NULL;
-  e_surf_resource_state_t state_initial = SURF_RESOURCE_OFF;
-  tmgr_trace_t state_trace = NULL;
-
-  power_scale = get_cpu_power(A_surfxml_host_power);
-  surf_parse_get_double(&power_initial, A_surfxml_host_availability);
-  power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
-
-  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_RESOURCE_ON;
-  if (A_surfxml_host_state == A_surfxml_host_state_OFF)
-    state_initial = SURF_RESOURCE_OFF;
-  state_trace = tmgr_trace_new(A_surfxml_host_state_file);
-
-  current_property_set = xbt_dict_new();
-  ptask_cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
-          state_initial, state_trace, current_property_set);
+  ptask_cpu_create_resource(
+      host->id,
+      host->power_peak,
+      host->power_scale,
+      host->power_trace,
+      host->initial_state,
+      host->state_trace,
+      host->properties);
 }
 
-static void ptask_cpu_create_resource(char *name, double power_peak,
-        double power_scale,
-        tmgr_trace_t power_trace,
-        e_surf_resource_state_t state_initial,
-        tmgr_trace_t state_trace,
-        xbt_dict_t cpu_properties)
-{
-       ptask_cpu_new(xbt_strdup(name),power_peak,power_scale,power_trace,
-                                         state_initial,state_trace,cpu_properties);
-}
-
-static link_L07_t ptask_link_new(char *name,
-                           double bw_initial,
-                           tmgr_trace_t bw_trace,
-                           double lat_initial,
-                           tmgr_trace_t lat_trace,
-                           e_surf_resource_state_t
-                           state_initial,
-                           tmgr_trace_t state_trace,
-                           e_surf_link_sharing_policy_t
-                           policy, xbt_dict_t properties)
+static void* ptask_link_create_resource(const char *name,
+                                 double bw_initial,
+                                 tmgr_trace_t bw_trace,
+                                 double lat_initial,
+                                 tmgr_trace_t lat_trace,
+                                 e_surf_resource_state_t
+                                 state_initial,
+                                 tmgr_trace_t state_trace,
+                                 e_surf_link_sharing_policy_t
+                                 policy, xbt_dict_t properties)
 {
   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
-  xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name),
-              "Link '%s' declared several times in the platform file.", name);
+  xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
+              "Link '%s' declared several times in the platform file.",
+              name);
 
   nw_link->generic_resource.model = surf_workstation_model;
   nw_link->generic_resource.properties = properties;
-  nw_link->generic_resource.name = name;
+  nw_link->generic_resource.name = xbt_strdup(name);
   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
   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);
+        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_LINK_FATPIPE)
     lmm_constraint_shared(nw_link->constraint);
 
-
-  xbt_dict_set(surf_network_model->resource_set, name, nw_link,
-               surf_resource_free);
-
+  xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
   return nw_link;
 }
 
-static void ptask_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_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);
-  bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
-  surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
-  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_RESOURCE_ON;
-  else if (A_surfxml_link_state == A_surfxml_link_state_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;
-  else if (A_surfxml_link_sharing_policy ==
-           A_surfxml_link_sharing_policy_FATPIPE)
-    policy_initial_link = SURF_LINK_FATPIPE;
-
-  state_trace = tmgr_trace_new(A_surfxml_link_state_file);
-
-  current_property_set = xbt_dict_new();
-  ptask_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 ptask_link_create_resource(char *name,
-                                                                         double bw_initial,
-                                                                         tmgr_trace_t bw_trace,
-                                                                         double lat_initial,
-                                                                         tmgr_trace_t lat_trace,
-                                                                         e_surf_resource_state_t
-                                                                         state_initial,
-                                                                         tmgr_trace_t state_trace,
-                                                                         e_surf_link_sharing_policy_t
-                                                                         policy, xbt_dict_t properties)
-{
+static void ptask_parse_link_init(sg_platf_link_cbarg_t link)
+{
+  if (link->policy == SURF_LINK_FULLDUPLEX) {
+    char *link_id;
+    link_id = bprintf("%s_UP", link->id);
+    ptask_link_create_resource(link_id,
+                               link->bandwidth,
+                               link->bandwidth_trace,
+                               link->latency,
+                               link->latency_trace,
+                               link->state,
+                               link->state_trace,
+                               link->policy,
+                               link->properties);
+    xbt_free(link_id);
+    link_id = bprintf("%s_DOWN", link->id);
+    ptask_link_create_resource(link_id,
+                               link->bandwidth,
+                               link->bandwidth_trace,
+                               link->latency,
+                               link->latency_trace,
+                               link->state,
+                               link->state_trace,
+                               link->policy,
+                               NULL); /* FIXME: We need to deep copy the
+                                       * properties or we won't be able to free
+                                       * it */
+    xbt_free(link_id);
+  } else {
+    ptask_link_create_resource(link->id,
+                               link->bandwidth,
+                               link->bandwidth_trace,
+                               link->latency,
+                               link->latency_trace,
+                               link->state,
+                               link->state_trace,
+                               link->policy,
+                               link->properties);
+  }
 
-       ptask_link_new(name, bw_initial, bw_trace,
-                  lat_initial, lat_trace, state_initial, state_trace,policy, xbt_dict_new());
+  current_property_set = NULL;
 }
 
-
 static void ptask_add_traces(void)
 {
   xbt_dict_cursor_t cursor = NULL;
@@ -783,43 +775,46 @@ static void ptask_add_traces(void)
   /* 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 = surf_model_resource_by_name(surf_workstation_model, elm);
+    cpu_L07_t host = surf_workstation_resource_priv(surf_workstation_resource_by_name(elm));
 
-    xbt_assert1(host, "Host %s undefined", elm);
-    xbt_assert1(trace, "Trace %s undefined", trace_name);
+    xbt_assert(host, "Host %s undefined", elm);
+    xbt_assert(trace, "Trace %s undefined", trace_name);
 
-    host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
+    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 = surf_model_resource_by_name(surf_workstation_model, elm);
+    cpu_L07_t host = surf_workstation_resource_priv(surf_workstation_resource_by_name(elm));
 
-    xbt_assert1(host, "Host %s undefined", elm);
-    xbt_assert1(trace, "Trace %s undefined", trace_name);
+    xbt_assert(host, "Host %s undefined", elm);
+    xbt_assert(trace, "Trace %s undefined", trace_name);
 
-    host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
+    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(surf_network_model->resource_set, elm);
+        xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 
-    xbt_assert1(link, "Link %s undefined", elm);
-    xbt_assert1(trace, "Trace %s undefined", trace_name);
+    xbt_assert(link, "Link %s undefined", elm);
+    xbt_assert(trace, "Trace %s undefined", trace_name);
 
-    link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
+    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(surf_network_model->resource_set, elm);
+        xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 
-    xbt_assert1(link, "Link %s undefined", elm);
-    xbt_assert1(trace, "Trace %s undefined", trace_name);
+    xbt_assert(link, "Link %s undefined", elm);
+    xbt_assert(trace, "Trace %s undefined", trace_name);
 
     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
   }
@@ -827,22 +822,20 @@ static void ptask_add_traces(void)
   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(surf_network_model->resource_set, elm);
+        xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL);
 
-    xbt_assert1(link, "Link %s undefined", elm);
-    xbt_assert1(trace, "Trace %s undefined", trace_name);
+    xbt_assert(link, "Link %s undefined", elm);
+    xbt_assert(trace, "Trace %s undefined", trace_name);
 
     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
   }
 }
 
-static void ptask_define_callbacks(const char *file)
+static void ptask_define_callbacks()
 {
-  /* Adding callback functions */
-  surf_parse_reset_parser();
-  surfxml_add_callback(STag_surfxml_host_cb_list, &ptask_parse_cpu_init);
-  surfxml_add_callback(STag_surfxml_link_cb_list, &ptask_parse_link_init);
-  surfxml_add_callback(ETag_surfxml_platform_cb_list, &ptask_add_traces);
+  sg_platf_host_add_cb(ptask_parse_cpu_init);
+  sg_platf_link_add_cb(ptask_parse_link_init);
+  sg_platf_postparse_add_cb(ptask_add_traces);
 }
 
 /**************************************/
@@ -864,63 +857,70 @@ static void ptask_model_init_internal(void)
   surf_workstation_model->get_remains = ptask_action_get_remains;
   surf_workstation_model->name = "Workstation ptask_L07";
 
-  surf_workstation_model->model_private->resource_used = ptask_resource_used;
-  surf_workstation_model->model_private->share_resources = ptask_share_resources;
+  surf_workstation_model->model_private->resource_used =
+      ptask_resource_used;
+  surf_workstation_model->model_private->share_resources =
+      ptask_share_resources;
   surf_workstation_model->model_private->update_actions_state =
-    ptask_update_actions_state;
+      ptask_update_actions_state;
   surf_workstation_model->model_private->update_resource_state =
-    ptask_update_resource_state;
+      ptask_update_resource_state;
   surf_workstation_model->model_private->finalize = ptask_finalize;
 
 
   surf_workstation_model->extension.workstation.execute = ptask_execute;
   surf_workstation_model->extension.workstation.sleep = ptask_action_sleep;
   surf_workstation_model->extension.workstation.get_state =
-    ptask_resource_get_state;
-  surf_workstation_model->extension.workstation.get_speed = ptask_get_speed;
+      ptask_resource_get_state;
+  surf_workstation_model->extension.workstation.get_speed =
+      ptask_get_speed;
   surf_workstation_model->extension.workstation.get_available_speed =
-    ptask_get_available_speed;
-  surf_workstation_model->extension.workstation.communicate = ptask_communicate;
-  surf_workstation_model->extension.workstation.get_route = ptask_get_route;
+      ptask_get_available_speed;
+  surf_workstation_model->extension.workstation.communicate =
+      ptask_communicate;
+  surf_workstation_model->extension.workstation.get_route =
+      ptask_get_route;
   surf_workstation_model->extension.workstation.execute_parallel_task =
-    ptask_execute_parallel_task;
+      ptask_execute_parallel_task;
   surf_workstation_model->extension.workstation.get_link_bandwidth =
-    ptask_get_link_bandwidth;
+      ptask_get_link_bandwidth;
   surf_workstation_model->extension.workstation.get_link_latency =
-    ptask_get_link_latency;
-  surf_workstation_model->extension.workstation.link_shared = ptask_link_shared;
+      ptask_get_link_latency;
+  surf_workstation_model->extension.workstation.link_shared =
+      ptask_link_shared;
   surf_workstation_model->extension.workstation.get_properties =
-    surf_resource_properties;
-  surf_workstation_model->extension.workstation.link_create_resource =
-       ptask_link_create_resource;
-  surf_workstation_model->extension.workstation.cpu_create_resource =
-       ptask_cpu_create_resource;
-  surf_workstation_model->extension.workstation.add_traces = ptask_add_traces;
+      surf_resource_properties;
+  surf_workstation_model->extension.workstation.add_traces =
+      ptask_add_traces;
 
   if (!ptask_maxmin_system)
-    ptask_maxmin_system = lmm_system_new();
+    ptask_maxmin_system = lmm_system_new(1);
+
+  routing_model_create(ptask_link_create_resource("__loopback__",
+                                                  498000000, NULL,
+                                                  0.000015, NULL,
+                                                  SURF_RESOURCE_ON, NULL,
+                                                  SURF_LINK_FATPIPE, NULL));
 
-  routing_model_create(sizeof(link_L07_t),
-                       ptask_link_new(xbt_strdup("__loopback__"),
-                                498000000, NULL, 0.000015, NULL,
-                                SURF_RESOURCE_ON, NULL, SURF_LINK_FATPIPE,
-                                NULL));
+  surf_network_model = surf_model_init();
 
+  surf_network_model->extension.network.communicate = die_impossible_communicate;
+  surf_network_model->extension.network.get_route = die_impossible_get_route;
+  surf_network_model->extension.network.get_link_bandwidth = ptask_get_link_bandwidth;
+  surf_network_model->extension.network.get_link_latency = ptask_get_link_latency;
+  surf_network_model->extension.network.link_shared = ptask_link_shared;
+  surf_network_model->extension.network.add_traces = NULL;
 }
 
 /**************************************/
 /*************** Generic **************/
 /**************************************/
-void surf_workstation_model_init_ptask_L07(const char *filename)
+void surf_workstation_model_init_ptask_L07(void)
 {
-  INFO0("surf_workstation_model_init_ptask_L07");
-  xbt_assert0(!surf_cpu_model, "CPU model type already defined");
-  xbt_assert0(!surf_network_model, "network model type already defined");
-  surf_network_model = surf_model_init();
-  ptask_define_callbacks(filename);
+  XBT_INFO("surf_workstation_model_init_ptask_L07");
+  xbt_assert(!surf_cpu_model, "CPU model type already defined");
+  xbt_assert(!surf_network_model, "network model type already defined");
+  ptask_define_callbacks();
   ptask_model_init_internal();
-
-  update_model_description(surf_workstation_model_description,
-                           "ptask_L07", surf_workstation_model);
   xbt_dynar_push(model_list, &surf_workstation_model);
 }