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Fix initialization order.
[simgrid.git] / src / simix / smx_host.c
index 5e130a4..5b42062 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2012. The SimGrid Team.
+/* Copyright (c) 2007-2013. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -34,8 +34,88 @@ smx_host_t SIMIX_host_create(const char *name,
 
   /* Update global variables */
   xbt_lib_set(host_lib,name,SIMIX_HOST_LEVEL,smx_host);
+
+  return xbt_lib_get_or_null(host_lib, name, SIMIX_HOST_LEVEL);
+}
+
+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 = SIMIX_host_priv(h);
+
+  xbt_assert((host != NULL), "Invalid parameters");
+
+  if (surf_resource_get_state(surf_workstation_resource_priv(h))==SURF_RESOURCE_OFF) {
+       surf_resource_set_state(surf_workstation_resource_priv(h), SURF_RESOURCE_ON);
+    unsigned int cpt;
+    smx_process_arg_t arg;
+    xbt_dynar_foreach(host->boot_processes,cpt,arg) {
+      smx_process_t process;
+
+      XBT_DEBUG("Booting Process %s(%s) right now", arg->argv[0], arg->hostname);
+      if (simix_global->create_process_function) {
+        simix_global->create_process_function(&process,
+                                              arg->argv[0],
+                                              arg->code,
+                                              NULL,
+                                              arg->hostname,
+                                              arg->kill_time,
+                                              arg->argc,
+                                              arg->argv,
+                                              arg->properties,
+                                              arg->auto_restart);
+      }
+      else {
+        simcall_process_create(&process,
+                                              arg->argv[0],
+                                              arg->code,
+                                              NULL,
+                                              arg->hostname,
+                                              arg->kill_time,
+                                              arg->argc,
+                                              arg->argv,
+                                              arg->properties,
+                                              arg->auto_restart);
+      }
+    }
+  }
+}
+
+void SIMIX_pre_host_off(smx_simcall_t simcall, smx_host_t h)
+{
+  SIMIX_host_off(h, simcall->issuer);
+}
+
+/**
+ * \brief Stop the host if it is on
+ *
+ */
+void SIMIX_host_off(smx_host_t h, smx_process_t issuer)
+{
+  smx_host_priv_t host = SIMIX_host_priv(h);
+
+  xbt_assert((host != NULL), "Invalid parameters");
   
-  return xbt_lib_get_elm_or_null(host_lib, name);
+  if (surf_resource_get_state(surf_workstation_resource_priv(h))==SURF_RESOURCE_OFF) {
+       surf_resource_set_state(surf_workstation_resource_priv(h), SURF_RESOURCE_ON);
+
+    /* Clean Simulator data */
+    if (xbt_swag_size(host->process_list) != 0) {
+      smx_process_t process = NULL;
+      xbt_swag_foreach(process, host->process_list) {
+        SIMIX_process_kill(process, issuer);
+       XBT_DEBUG("Killing %s on %s by %s", process->name,  sg_host_name(process->smx_host), issuer->name);
+      }
+    }
+  }
 }
 
 /**
@@ -64,6 +144,7 @@ void SIMIX_host_destroy(void *h)
     THROWF(arg_error, 0, "%s", msg);
   }
   xbt_dynar_free(&host->auto_restart_processes);
+  xbt_dynar_free(&host->boot_processes);
   xbt_swag_free(host->process_list);
 
   /* Clean host structure */
@@ -155,6 +236,16 @@ int SIMIX_host_get_core(smx_host_t host){
   return surf_workstation_get_core(host);
 }
 
+xbt_swag_t SIMIX_pre_host_get_process_list(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_process_list(host);
+}
+
+xbt_swag_t SIMIX_host_get_process_list(smx_host_t host){
+  xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+  smx_host_priv_t host_priv = SIMIX_host_priv(host);
+
+  return host_priv->process_list;
+}
 
 
 double SIMIX_pre_host_get_available_speed(smx_simcall_t simcall, smx_host_t host){
@@ -166,6 +257,50 @@ double SIMIX_host_get_available_speed(smx_host_t host){
   return surf_workstation_get_available_speed(host);
 }
 
+double SIMIX_pre_host_get_current_power_peak(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_current_power_peak(host);
+}
+double SIMIX_host_get_current_power_peak(smx_host_t host) {
+         xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+         return surf_workstation_get_current_power_peak(host);
+}
+
+double SIMIX_pre_host_get_power_peak_at(smx_simcall_t simcall, smx_host_t host, int pstate_index){
+  return SIMIX_host_get_power_peak_at(host, pstate_index);
+}
+double SIMIX_host_get_power_peak_at(smx_host_t host, int pstate_index) {
+         xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+
+         return surf_workstation_get_power_peak_at(host, pstate_index);
+}
+
+int SIMIX_pre_host_get_nb_pstates(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_nb_pstates(host);
+}
+int SIMIX_host_get_nb_pstates(smx_host_t host) {
+         xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+
+         return surf_workstation_get_nb_pstates(host);
+}
+
+
+void SIMIX_pre_host_set_power_peak_at(smx_simcall_t simcall, smx_host_t host, int pstate_index){
+  SIMIX_host_set_power_peak_at(host, pstate_index);
+}
+void SIMIX_host_set_power_peak_at(smx_host_t host, int pstate_index) {
+         xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+
+         surf_workstation_set_power_peak_at(host, pstate_index);
+}
+
+double SIMIX_pre_host_get_consumed_energy(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_consumed_energy(host);
+}
+double SIMIX_host_get_consumed_energy(smx_host_t host) {
+         xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+         return surf_workstation_get_consumed_energy(host);
+}
+
 int SIMIX_pre_host_get_state(smx_simcall_t simcall, smx_host_t host){
   return SIMIX_host_get_state(host);
 }
@@ -198,10 +333,14 @@ void* SIMIX_host_get_data(smx_host_t host){
 
   return SIMIX_host_priv(host)->data;
 }
-void _SIMIX_host_free_process_arg(void *);
+
 void _SIMIX_host_free_process_arg(void *data)
 {
   smx_process_arg_t arg = *(void**)data;
+  int i;
+  for (i = 0; i < arg->argc; i++)
+    xbt_free(arg->argv[i]);
+  xbt_free(arg->argv);
   xbt_free(arg->name);
   xbt_free(arg);
 }
@@ -247,7 +386,7 @@ void SIMIX_host_add_auto_restart_process(smx_host_t host,
   if( SIMIX_host_get_state(host) == SURF_RESOURCE_OFF
       && !xbt_dict_get_or_null(watched_hosts_lib,sg_host_name(host))){
     xbt_dict_set(watched_hosts_lib,sg_host_name(host),host,NULL);
-    XBT_DEBUG("Have push host %s to watched_hosts_lib because state == SURF_RESOURCE_OFF",sg_host_name(host));
+    XBT_DEBUG("Have pushed host %s to watched_hosts_lib because state == SURF_RESOURCE_OFF",sg_host_name(host));
   }
   xbt_dynar_push_as(SIMIX_host_priv(host)->auto_restart_processes,smx_process_arg_t,arg);
 }
@@ -258,7 +397,11 @@ void SIMIX_host_restart_processes(smx_host_t host)
 {
   unsigned int cpt;
   smx_process_arg_t arg;
-  xbt_dynar_foreach(SIMIX_host_priv(host)->auto_restart_processes,cpt,arg) {
+  xbt_dynar_t process_list = SIMIX_host_priv(host)->auto_restart_processes;
+  if (!process_list)
+    return;
+
+  xbt_dynar_foreach (process_list, cpt, arg) {
 
     smx_process_t process;
 
@@ -274,22 +417,26 @@ void SIMIX_host_restart_processes(smx_host_t host)
                                             arg->argv,
                                             arg->properties,
                                             arg->auto_restart);
-    }
-    else {
+    } else {
       simcall_process_create(&process,
-                                            arg->argv[0],
-                                            arg->code,
-                                            NULL,
-                                            arg->hostname,
-                                            arg->kill_time,
-                                            arg->argc,
-                                            arg->argv,
-                                            arg->properties,
-                                            arg->auto_restart);
+                             arg->argv[0],
+                             arg->code,
+                             NULL,
+                             arg->hostname,
+                             arg->kill_time,
+                             arg->argc,
+                             arg->argv,
+                             arg->properties,
+                             arg->auto_restart);
 
     }
+    /* arg->argv is used by the process created above.  Hide it to
+     * _SIMIX_host_free_process_arg() which is called by xbt_dynar_reset()
+     * below. */
+    arg->argc = 0;
+    arg->argv = NULL;
   }
-  xbt_dynar_reset(SIMIX_host_priv(host)->auto_restart_processes);
+  xbt_dynar_reset(process_list);
 }
 
 void SIMIX_host_autorestart(smx_host_t host)
@@ -311,11 +458,11 @@ 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, unsigned long affinity_mask){
+  return SIMIX_host_execute(name, host, computation_amount, priority, bound, affinity_mask);
 }
 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, unsigned long affinity_mask){
 
   /* alloc structures and initialize */
   smx_action_t action = xbt_mallocator_get(simix_global->action_mallocator);
@@ -330,10 +477,24 @@ smx_action_t SIMIX_host_execute(const char *name,
 
   /* set surf's action */
   if (!MC_is_active()) {
-    action->execution.surf_exec =
-      surf_workstation_execute(host, computation_amount);
+
+    action->execution.surf_exec = surf_workstation_execute(host, computation_amount);
     surf_action_set_data(action->execution.surf_exec, action);
     surf_action_set_priority(action->execution.surf_exec, priority);
+
+    /* Note (hypervisor): for multicore, the bound value being passed to the
+     * surf layer should not be zero (i.e., unlimited). It should be the
+     * capacity of a CPU core. */
+    if (bound == 0)
+      surf_cpu_action_set_bound(action->execution.surf_exec, SIMIX_host_get_speed(host));
+    else
+      surf_cpu_action_set_bound(action->execution.surf_exec, bound);
+
+    if (affinity_mask != 0) {
+      /* just a double check to confirm that this host is the host where this task is running. */
+      xbt_assert(action->execution.host == host);
+      surf_cpu_action_set_affinity(action->execution.surf_exec, host, affinity_mask);
+    }
   }
 
   XBT_DEBUG("Create execute action %p", action);
@@ -370,7 +531,20 @@ smx_action_t SIMIX_host_parallel_execute(const char *name,
   /* set surf's action */
   workstation_list = xbt_new0(void *, host_nb);
   for (i = 0; i < host_nb; i++)
-    workstation_list[i] = host_list[i];
+    workstation_list[i] = surf_workstation_resource_priv(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()) {
@@ -385,6 +559,15 @@ smx_action_t SIMIX_host_parallel_execute(const char *name,
   return action;
 }
 
+//FIXME: REMOVE not used
+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);
+  return model;
+}
+
 void SIMIX_pre_host_execution_destroy(smx_simcall_t simcall, smx_action_t action){
   SIMIX_host_execution_destroy(action);
 }
@@ -430,13 +613,38 @@ 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){
+
   if(action->execution.surf_exec)
        surf_action_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){
+
+  if(action->execution.surf_exec)
+       surf_cpu_action_set_bound(action->execution.surf_exec, bound);
+}
+
+void SIMIX_pre_host_execution_set_affinity(smx_simcall_t simcall,
+    smx_action_t action, smx_host_t host, unsigned long mask){
+  SIMIX_host_execution_set_affinity(action, host, mask);
+}
+void SIMIX_host_execution_set_affinity(smx_action_t action, smx_host_t host, unsigned long mask){
+  xbt_assert(action->type == SIMIX_ACTION_EXECUTE);
+
+  if (action->execution.surf_exec) {
+    /* just a double check to confirm that this host is the host where this task is running. */
+    xbt_assert(action->execution.host == host);
+    surf_cpu_action_set_affinity(action->execution.surf_exec, host, mask);
+  }
+}
+
 void SIMIX_pre_host_execution_wait(smx_simcall_t simcall, smx_action_t action){
 
   XBT_DEBUG("Wait for execution of action %p, state %d", action, (int)action->state);
@@ -486,7 +694,7 @@ void SIMIX_execution_finish(smx_action_t action)
       case SIMIX_FAILED:
         XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", sg_host_name(simcall->issuer->smx_host));
         simcall->issuer->context->iwannadie = 1;
-        //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
+        SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
         break;
 
       case SIMIX_CANCELED:
@@ -499,7 +707,6 @@ void SIMIX_execution_finish(smx_action_t action)
             (int)action->state);
     }
     /* check if the host is down */
-
     if (surf_resource_get_state(surf_workstation_resource_priv(simcall->issuer->smx_host)) != SURF_RESOURCE_ON) {
       simcall->issuer->context->iwannadie = 1;
     }
@@ -513,6 +720,7 @@ void SIMIX_execution_finish(smx_action_t action)
   SIMIX_host_execution_destroy(action);
 }
 
+
 void SIMIX_post_host_execute(smx_action_t action)
 {
   if (action->type == SIMIX_ACTION_EXECUTE && /* FIMXE: handle resource failure
@@ -557,3 +765,40 @@ void SIMIX_set_category(smx_action_t action, const char *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_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);
+}
+
+void SIMIX_host_set_params(smx_host_t ind_vm, ws_params_t params)
+{
+  /* jump to ws_set_params(). */
+  surf_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);
+}
+
+xbt_dict_t SIMIX_pre_host_get_storage_list(smx_simcall_t simcall, smx_host_t host){
+  return SIMIX_host_get_storage_list(host);
+}
+
+xbt_dict_t SIMIX_host_get_storage_list(smx_host_t host){
+  xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
+
+  return surf_workstation_get_storage_list(host);
+}