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Merge branch 'master' into hypervisor
[simgrid.git] / src / simix / smx_host.c
index 114e14b..08ecdf3 100644 (file)
@@ -38,6 +38,62 @@ smx_host_t SIMIX_host_create(const char *name,
   return xbt_lib_get_elm_or_null(host_lib, name);
 }
 
+void SIMIX_pre_host_on(smx_simcall_t simcall, smx_host_t h)
+{
+  SIMIX_host_on(h);
+}
+
+/**
+ * \brief Start the host if it is off
+ *
+ */
+void SIMIX_host_on(smx_host_t h)
+{
+  smx_host_priv_t host = (smx_host_priv_t) h;
+
+  xbt_assert((host != NULL), "Invalid parameters");
+  
+  surf_model_t ws_model = surf_resource_model(h, SURF_WKS_LEVEL);
+  ws_model->extension.workstation.set_state(host, SURF_RESOURCE_ON);
+
+  SIMIX_host_restart_processes(h);
+}
+
+void SIMIX_pre_host_off(smx_simcall_t simcall, smx_host_t h)
+{
+  SIMIX_host_off(h);
+}
+
+/**
+ * \brief Stop the host if it is on
+ *
+ */
+void SIMIX_host_off(smx_host_t h)
+{
+  smx_host_priv_t host = (smx_host_priv_t) h;
+
+  xbt_assert((host != NULL), "Invalid parameters");
+
+  /* Clean Simulator data */
+  if (xbt_swag_size(host->process_list) != 0) {
+    char *msg = xbt_strdup("Shutting down host, but it's not empty:");
+    char *tmp;
+    smx_process_t process = NULL;
+
+    xbt_swag_foreach(process, host->process_list) {
+      tmp = bprintf("%s\n\t%s", msg, process->name);
+      free(msg);
+      msg = tmp;
+    }
+    SIMIX_display_process_status();
+    THROWF(arg_error, 0, "%s", msg);
+  }
+  xbt_swag_free(host->process_list);
+
+  surf_model_t ws_model = surf_resource_model(h, SURF_WKS_LEVEL);
+  ws_model->extension.workstation.set_state(host, SURF_RESOURCE_OFF);
+}
+
 /**
  * \brief Internal function to destroy a SIMIX host.
  *
@@ -51,8 +107,7 @@ void SIMIX_host_destroy(void *h)
 
   /* Clean Simulator data */
   if (xbt_swag_size(host->process_list) != 0) {
-    char *msg =
-        bprintf("Shutting down host, but it's not empty:");
+    char *msg = xbt_strdup("Shutting down host, but it's not empty:");
     char *tmp;
     smx_process_t process = NULL;
 
@@ -136,7 +191,8 @@ xbt_dict_t SIMIX_pre_host_get_properties(smx_simcall_t simcall, smx_host_t host)
 xbt_dict_t SIMIX_host_get_properties(smx_host_t host){
   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 
-  return surf_workstation_model->extension.workstation.get_properties(host);
+  surf_model_t ws_model = surf_resource_model(host, SURF_WKS_LEVEL);
+  return ws_model->extension.workstation.get_properties(host);
 }
 
 double SIMIX_pre_host_get_speed(smx_simcall_t simcall, smx_host_t host){
@@ -145,18 +201,30 @@ double SIMIX_pre_host_get_speed(smx_simcall_t simcall, smx_host_t host){
 double SIMIX_host_get_speed(smx_host_t host){
   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 
+  surf_model_t ws_model = surf_resource_model(host, SURF_WKS_LEVEL);
+  return ws_model->extension.workstation.get_speed(host, 1.0);
+}
+
+int SIMIX_pre_host_get_core(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_core(host);
+}
+int SIMIX_host_get_core(smx_host_t host){
+  xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+
   return surf_workstation_model->extension.workstation.
-      get_speed(host, 1.0);
+      get_core(host);
 }
 
+
+
 double SIMIX_pre_host_get_available_speed(smx_simcall_t simcall, smx_host_t host){
   return SIMIX_host_get_available_speed(host);
 }
 double SIMIX_host_get_available_speed(smx_host_t host){
   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 
-  return surf_workstation_model->extension.workstation.
-      get_available_speed(host);
+  surf_model_t ws_model = surf_resource_model(host, SURF_WKS_LEVEL);
+  return ws_model->extension.workstation.get_available_speed(host);
 }
 
 int SIMIX_pre_host_get_state(smx_simcall_t simcall, smx_host_t host){
@@ -165,8 +233,8 @@ int SIMIX_pre_host_get_state(smx_simcall_t simcall, smx_host_t host){
 int SIMIX_host_get_state(smx_host_t host){
   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 
-  return surf_workstation_model->extension.workstation.
-      get_state(host);
+  surf_model_t ws_model = surf_resource_model(host, SURF_WKS_LEVEL);
+  return ws_model->extension.workstation.get_state(host);
 }
 
 void* SIMIX_pre_host_self_get_data(smx_simcall_t simcall){
@@ -305,11 +373,11 @@ void SIMIX_host_set_data(smx_host_t host, void *data){
 }
 
 smx_action_t SIMIX_pre_host_execute(smx_simcall_t simcall,const char *name,
-    smx_host_t host, double computation_amount, double priority){
-  return SIMIX_host_execute(name, host, computation_amount, priority);
+    smx_host_t host, double computation_amount, double priority, double bound){
+  return SIMIX_host_execute(name, host, computation_amount, priority, bound);
 }
 smx_action_t SIMIX_host_execute(const char *name,
-    smx_host_t host, double computation_amount, double priority){
+    smx_host_t host, double computation_amount, double priority, double bound){
 
   /* alloc structures and initialize */
   smx_action_t action = xbt_mallocator_get(simix_global->action_mallocator);
@@ -322,13 +390,13 @@ smx_action_t SIMIX_host_execute(const char *name,
   action->category = NULL;
 #endif
 
+  surf_model_t ws_model = surf_resource_model(host, SURF_WKS_LEVEL);
   /* set surf's action */
   if (!MC_is_active()) {
-    action->execution.surf_exec =
-      surf_workstation_model->extension.workstation.execute(host,
-    computation_amount);
-    surf_workstation_model->action_data_set(action->execution.surf_exec, action);
-    surf_workstation_model->set_priority(action->execution.surf_exec, priority);
+    action->execution.surf_exec = ws_model->extension.workstation.execute(host, computation_amount);
+    ws_model->action_data_set(action->execution.surf_exec, action);
+    ws_model->set_priority(action->execution.surf_exec, priority);
+    ws_model->set_bound(action->execution.surf_exec, bound);
   }
 
   XBT_DEBUG("Create execute action %p", action);
@@ -367,28 +435,54 @@ smx_action_t SIMIX_host_parallel_execute(const char *name,
   for (i = 0; i < host_nb; i++)
     workstation_list[i] = host_list[i];
 
+
+  /* FIXME: what happens if host_list contains VMs and PMs. If
+   * execute_parallel_task() does not change the state of the model, we can mix
+   * them. */
+  surf_model_t ws_model = surf_resource_model(host_list[0], SURF_WKS_LEVEL);
+  for (i = 1; i < host_nb; i++) {
+    surf_model_t ws_model_tmp = surf_resource_model(host_list[i], SURF_WKS_LEVEL);
+    if (ws_model_tmp != ws_model) {
+      XBT_CRITICAL("mixing VMs and PMs is not supported");
+      DIE_IMPOSSIBLE;
+    }
+  }
+
   /* set surf's action */
   if (!MC_is_active()) {
     action->execution.surf_exec =
-      surf_workstation_model->extension.workstation.
+      ws_model->extension.workstation.
       execute_parallel_task(host_nb, workstation_list, computation_amount,
                       communication_amount, rate);
 
-    surf_workstation_model->action_data_set(action->execution.surf_exec, action);
+    ws_model->action_data_set(action->execution.surf_exec, action);
   }
   XBT_DEBUG("Create parallel execute action %p", action);
 
   return action;
 }
 
+static surf_model_t get_ws_model_from_action(smx_action_t action)
+{
+  xbt_assert(action->type == SIMIX_ACTION_EXECUTE);
+  smx_host_t host = action->execution.host;
+  surf_model_t model = surf_resource_model(host, SURF_WKS_LEVEL);
+
+  xbt_assert((model == surf_workstation_model) || (model == surf_vm_workstation_model));
+
+  return model;
+}
+
 void SIMIX_pre_host_execution_destroy(smx_simcall_t simcall, smx_action_t action){
   SIMIX_host_execution_destroy(action);
 }
 void SIMIX_host_execution_destroy(smx_action_t action){
   XBT_DEBUG("Destroy action %p", action);
 
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if (action->execution.surf_exec) {
-    surf_workstation_model->action_unref(action->execution.surf_exec);
+    ws_model->action_unref(action->execution.surf_exec);
     action->execution.surf_exec = NULL;
   }
   xbt_free(action->name);
@@ -401,8 +495,10 @@ void SIMIX_pre_host_execution_cancel(smx_simcall_t simcall, smx_action_t action)
 void SIMIX_host_execution_cancel(smx_action_t action){
   XBT_DEBUG("Cancel action %p", action);
 
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if (action->execution.surf_exec)
-    surf_workstation_model->action_cancel(action->execution.surf_exec);
+    ws_model->action_cancel(action->execution.surf_exec);
 }
 
 double SIMIX_pre_host_execution_get_remains(smx_simcall_t simcall, smx_action_t action){
@@ -410,9 +506,10 @@ double SIMIX_pre_host_execution_get_remains(smx_simcall_t simcall, smx_action_t
 }
 double SIMIX_host_execution_get_remains(smx_action_t action){
   double result = 0.0;
+  surf_model_t ws_model = get_ws_model_from_action(action);
 
   if (action->state == SIMIX_RUNNING)
-    result = surf_workstation_model->get_remains(action->execution.surf_exec);
+    result = ws_model->get_remains(action->execution.surf_exec);
 
   return result;
 }
@@ -426,11 +523,24 @@ e_smx_state_t SIMIX_host_execution_get_state(smx_action_t action){
 
 void SIMIX_pre_host_execution_set_priority(smx_simcall_t simcall, smx_action_t action,
                                        double priority){
-  return SIMIX_host_execution_set_priority(action, priority);
+  SIMIX_host_execution_set_priority(action, priority);
 }
 void SIMIX_host_execution_set_priority(smx_action_t action, double priority){
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
+  if(action->execution.surf_exec)
+    ws_model->set_priority(action->execution.surf_exec, priority);
+}
+
+void SIMIX_pre_host_execution_set_bound(smx_simcall_t simcall, smx_action_t action,
+                                       double bound){
+  SIMIX_host_execution_set_bound(action, bound);
+}
+void SIMIX_host_execution_set_bound(smx_action_t action, double bound){
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if(action->execution.surf_exec)
-    surf_workstation_model->set_priority(action->execution.surf_exec, priority);
+    ws_model->set_bound(action->execution.surf_exec, bound);
 }
 
 void SIMIX_pre_host_execution_wait(smx_simcall_t simcall, smx_action_t action){
@@ -455,20 +565,25 @@ void SIMIX_pre_host_execution_wait(smx_simcall_t simcall, smx_action_t action){
 
 void SIMIX_host_execution_suspend(smx_action_t action)
 {
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if(action->execution.surf_exec)
-    surf_workstation_model->suspend(action->execution.surf_exec);
+    ws_model->suspend(action->execution.surf_exec);
 }
 
 void SIMIX_host_execution_resume(smx_action_t action)
 {
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if(action->execution.surf_exec)
-    surf_workstation_model->resume(action->execution.surf_exec);
+    ws_model->resume(action->execution.surf_exec);
 }
 
 void SIMIX_execution_finish(smx_action_t action)
 {
   xbt_fifo_item_t item;
   smx_simcall_t simcall;
+  surf_model_t ws_model = get_ws_model_from_action(action);
 
   xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) {
 
@@ -495,8 +610,7 @@ void SIMIX_execution_finish(smx_action_t action)
             (int)action->state);
     }
     /* check if the host is down */
-    if (surf_workstation_model->extension.
-        workstation.get_state(simcall->issuer->smx_host) != SURF_RESOURCE_ON) {
+    if (ws_model->extension.workstation.get_state(simcall->issuer->smx_host) != SURF_RESOURCE_ON) {
       simcall->issuer->context->iwannadie = 1;
     }
 
@@ -509,15 +623,18 @@ void SIMIX_execution_finish(smx_action_t action)
   SIMIX_host_execution_destroy(action);
 }
 
+
 void SIMIX_post_host_execute(smx_action_t action)
 {
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if (action->type == SIMIX_ACTION_EXECUTE && /* FIMXE: handle resource failure
                                                * for parallel tasks too */
-      surf_workstation_model->extension.workstation.get_state(action->execution.host) == SURF_RESOURCE_OFF) {
+      ws_model->extension.workstation.get_state(action->execution.host) == SURF_RESOURCE_OFF) {
     /* If the host running the action failed, notice it so that the asking
      * process can be killed if it runs on that host itself */
     action->state = SIMIX_FAILED;
-  } else if (surf_workstation_model->action_state_get(action->execution.surf_exec) == SURF_ACTION_FAILED) {
+  } else if (ws_model->action_state_get(action->execution.surf_exec) == SURF_ACTION_FAILED) {
     /* If the host running the action didn't fail, then the action was
      * canceled */
     action->state = SIMIX_CANCELED;
@@ -526,7 +643,7 @@ void SIMIX_post_host_execute(smx_action_t action)
   }
 
   if (action->execution.surf_exec) {
-    surf_workstation_model->action_unref(action->execution.surf_exec);
+    ws_model->action_unref(action->execution.surf_exec);
     action->execution.surf_exec = NULL;
   }
 
@@ -544,12 +661,44 @@ void SIMIX_pre_set_category(smx_simcall_t simcall, smx_action_t action,
 }
 void SIMIX_set_category(smx_action_t action, const char *category)
 {
+  surf_model_t ws_model = get_ws_model_from_action(action);
+
   if (action->state != SIMIX_RUNNING) return;
   if (action->type == SIMIX_ACTION_EXECUTE){
-    surf_workstation_model->set_category(action->execution.surf_exec, category);
+    ws_model->set_category(action->execution.surf_exec, category);
   }else if (action->type == SIMIX_ACTION_COMMUNICATE){
-    surf_workstation_model->set_category(action->comm.surf_comm, category);
+    ws_model->set_category(action->comm.surf_comm, category);
   }
 }
 #endif
 
+
+/**
+ * \brief Function to get the parameters of the given the SIMIX host.
+ *
+ * \param host the host to get_phys_host (a smx_host_t)
+ * \param param the parameter object space to be overwritten (a ws_params_t)
+ */
+void SIMIX_host_get_params(smx_host_t ind_vm, ws_params_t params)
+{
+  /* jump to ws_get_params(). */
+  surf_workstation_model->extension.workstation.get_params(ind_vm, params);
+}
+
+void SIMIX_pre_host_get_params(smx_simcall_t simcall, smx_host_t ind_vm, ws_params_t params)
+{
+  SIMIX_host_get_params(ind_vm, params);
+  SIMIX_simcall_answer(simcall);
+}
+
+void SIMIX_host_set_params(smx_host_t ind_vm, ws_params_t params)
+{
+  /* jump to ws_set_params(). */
+  surf_workstation_model->extension.workstation.set_params(ind_vm, params);
+}
+
+void SIMIX_pre_host_set_params(smx_simcall_t simcall, smx_host_t ind_vm, ws_params_t params)
+{
+  SIMIX_host_set_params(ind_vm, params);
+  SIMIX_simcall_answer(simcall);
+}