src/simix/smx_host.c

   1 /* Copyright (c) 2007-2012. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "smx_private.h"
   8 #include "xbt/sysdep.h"
   9 #include "xbt/log.h"
  10 #include "xbt/dict.h"
  11 #include "mc/mc.h"
  12
  13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix,
  14                                 "Logging specific to SIMIX (hosts)");
  15
  16 static void SIMIX_execution_finish(smx_action_t action);
  17
  18 /**
  19  * \brief Internal function to create a SIMIX host.
  20  * \param name name of the host to create
  21  * \param workstation the SURF workstation to encapsulate
  22  * \param data some user data (may be NULL)
  23  */
  24 smx_host_t SIMIX_host_create(const char *name,
  25                                void *workstation, void *data)
  26 {
  27   smx_host_priv_t smx_host = xbt_new0(s_smx_host_priv_t, 1);
  28   s_smx_process_t proc;
  29
  30   /* Host structure */
  31   smx_host->data = data;
  32   smx_host->process_list =
  33       xbt_swag_new(xbt_swag_offset(proc, host_proc_hookup));
  34
  35   /* Update global variables */
  36   xbt_lib_set(host_lib,name,SIMIX_HOST_LEVEL,smx_host);
  37
  38   return xbt_lib_get_elm_or_null(host_lib, name);
  39 }
  40
  41 /**
  42  * \brief Internal function to destroy a SIMIX host.
  43  *
  44  * \param h the host to destroy (a smx_host_t)
  45  */
  46 void SIMIX_host_destroy(void *h)
  47 {
  48   smx_host_priv_t host = (smx_host_priv_t) h;
  49
  50   xbt_assert((host != NULL), "Invalid parameters");
  51
  52   /* Clean Simulator data */
  53   if (xbt_swag_size(host->process_list) != 0) {
  54     char *msg = xbt_strdup("Shutting down host, but it's not empty:");
  55     char *tmp;
  56     smx_process_t process = NULL;
  57
  58     xbt_swag_foreach(process, host->process_list) {
  59       tmp = bprintf("%s\n\t%s", msg, process->name);
  60       free(msg);
  61       msg = tmp;
  62     }
  63     SIMIX_display_process_status();
  64     THROWF(arg_error, 0, "%s", msg);
  65   }
  66   xbt_dynar_free(&host->auto_restart_processes);
  67   xbt_swag_free(host->process_list);
  68
  69   /* Clean host structure */
  70   free(host);
  71   return;
  72 }
  73
  74 ///**
  75 // * \brief Returns a dict of all hosts.
  76 // *
  77 // * \return List of all hosts (as a #xbt_dict_t)
  78 // */
  79 //xbt_dict_t SIMIX_host_get_dict(void)
  80 //{
  81 //  xbt_dict_t host_dict = xbt_dict_new_homogeneous(NULL);
  82 //  xbt_lib_cursor_t cursor = NULL;
  83 //  char *name = NULL;
  84 //  void **host = NULL;
  85 //
  86 //  xbt_lib_foreach(host_lib, cursor, name, host){
  87 //    if(host[SIMIX_HOST_LEVEL])
  88 //            xbt_dict_set(host_dict,name,host[SIMIX_HOST_LEVEL], NULL);
  89 //  }
  90 //  return host_dict;
  91 //}
  92 smx_host_t SIMIX_pre_host_get_by_name(smx_simcall_t simcall, const char *name){
  93    return SIMIX_host_get_by_name(name);
  94 }
  95 smx_host_t SIMIX_host_get_by_name(const char *name){
  96   xbt_assert(((simix_global != NULL)
  97                && (host_lib != NULL)),
  98               "Environment not set yet");
  99
 100   return xbt_lib_get_elm_or_null(host_lib, name);
 101 }
 102
 103 smx_host_t SIMIX_host_self(void)
 104 {
 105   smx_process_t process = SIMIX_process_self();
 106   return (process == NULL) ? NULL : SIMIX_process_get_host(process);
 107 }
 108
 109 const char* SIMIX_pre_host_self_get_name(smx_simcall_t simcall){
 110    return SIMIX_host_self_get_name();
 111 }
 112 /* needs to be public and without simcall because it is called
 113    by exceptions and logging events */
 114 const char* SIMIX_host_self_get_name(void)
 115 {
 116   smx_host_t host = SIMIX_host_self();
 117   if (host == NULL || SIMIX_process_self() == simix_global->maestro_process)
 118     return "";
 119
 120   return SIMIX_host_get_name(host);
 121 }
 122
 123 const char* SIMIX_pre_host_get_name(smx_simcall_t simcall, smx_host_t host){
 124    return SIMIX_host_get_name(host);
 125 }
 126 const char* SIMIX_host_get_name(smx_host_t host){
 127   xbt_assert((host != NULL), "Invalid parameters");
 128
 129   return sg_host_name(host);
 130 }
 131
 132 xbt_dict_t SIMIX_pre_host_get_properties(smx_simcall_t simcall, smx_host_t host){
 133   return SIMIX_host_get_properties(host);
 134 }
 135 xbt_dict_t SIMIX_host_get_properties(smx_host_t host){
 136   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 137
 138   return surf_workstation_model->extension.workstation.get_properties(host);
 139 }
 140
 141 double SIMIX_pre_host_get_speed(smx_simcall_t simcall, smx_host_t host){
 142   return SIMIX_host_get_speed(host);
 143 }
 144 double SIMIX_host_get_speed(smx_host_t host){
 145   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 146
 147   return surf_workstation_model->extension.workstation.
 148       get_speed(host, 1.0);
 149 }
 150
 151 int SIMIX_pre_host_get_core(smx_simcall_t simcall, smx_host_t host){
 152   return SIMIX_host_get_core(host);
 153 }
 154 int SIMIX_host_get_core(smx_host_t host){
 155   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 156
 157   return surf_workstation_model->extension.workstation.
 158       get_core(host);
 159 }
 160
 161 xbt_swag_t SIMIX_pre_host_get_process_list(smx_simcall_t simcall, smx_host_t host){
 162   return SIMIX_host_get_process_list(host);
 163 }
 164
 165 xbt_swag_t SIMIX_host_get_process_list(smx_host_t host){
 166   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 167   smx_host_priv_t host_priv = SIMIX_host_priv(host);
 168
 169   return host_priv->process_list;
 170 }
 171
 172
 173 double SIMIX_pre_host_get_available_speed(smx_simcall_t simcall, smx_host_t host){
 174   return SIMIX_host_get_available_speed(host);
 175 }
 176 double SIMIX_host_get_available_speed(smx_host_t host){
 177   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 178
 179   return surf_workstation_model->extension.workstation.
 180       get_available_speed(host);
 181 }
 182
 183 double SIMIX_pre_host_get_current_power_peak(smx_simcall_t simcall, smx_host_t host){
 184   return SIMIX_host_get_current_power_peak(host);
 185 }
 186 double SIMIX_host_get_current_power_peak(smx_host_t host) {
 187           xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 188           return surf_workstation_model->extension.workstation.
 189                       get_current_power_peak(host);
 190 }
 191
 192 double SIMIX_pre_host_get_power_peak_at(smx_simcall_t simcall, smx_host_t host, int pstate_index){
 193   return SIMIX_host_get_power_peak_at(host, pstate_index);
 194 }
 195 double SIMIX_host_get_power_peak_at(smx_host_t host, int pstate_index) {
 196           xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 197
 198           return surf_workstation_model->extension.workstation.
 199               get_power_peak_at(host, pstate_index);
 200 }
 201
 202 int SIMIX_pre_host_get_nb_pstates(smx_simcall_t simcall, smx_host_t host){
 203   return SIMIX_host_get_nb_pstates(host);
 204 }
 205 int SIMIX_host_get_nb_pstates(smx_host_t host) {
 206           xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 207
 208           return surf_workstation_model->extension.workstation.
 209               get_nb_pstates(host);
 210 }
 211
 212
 213 void SIMIX_pre_host_set_power_peak_at(smx_simcall_t simcall, smx_host_t host, int pstate_index){
 214   SIMIX_host_set_power_peak_at(host, pstate_index);
 215 }
 216 void SIMIX_host_set_power_peak_at(smx_host_t host, int pstate_index) {
 217           xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 218
 219           surf_workstation_model->extension.workstation.
 220               set_power_peak_at(host, pstate_index);
 221 }
 222
 223 double SIMIX_pre_host_get_consumed_energy(smx_simcall_t simcall, smx_host_t host){
 224   return SIMIX_host_get_consumed_energy(host);
 225 }
 226 double SIMIX_host_get_consumed_energy(smx_host_t host) {
 227           xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 228           return surf_workstation_model->extension.workstation.
 229                       get_consumed_energy(host);
 230 }
 231
 232 int SIMIX_pre_host_get_state(smx_simcall_t simcall, smx_host_t host){
 233   return SIMIX_host_get_state(host);
 234 }
 235 int SIMIX_host_get_state(smx_host_t host){
 236   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 237
 238   return surf_workstation_model->extension.workstation.
 239       get_state(host);
 240 }
 241
 242 void* SIMIX_pre_host_self_get_data(smx_simcall_t simcall){
 243   return SIMIX_host_self_get_data();
 244 }
 245 void* SIMIX_host_self_get_data(void)
 246 {
 247   smx_host_t self = SIMIX_host_self();
 248   return SIMIX_host_get_data(self);
 249 }
 250
 251 void SIMIX_host_self_set_data(void *data)
 252 {
 253   smx_host_t self = SIMIX_host_self();
 254   SIMIX_host_set_data(self, data);
 255 }
 256
 257 void* SIMIX_pre_host_get_data(smx_simcall_t simcall,smx_host_t host){
 258   return SIMIX_host_get_data(host);
 259 }
 260 void* SIMIX_host_get_data(smx_host_t host){
 261   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 262
 263   return SIMIX_host_priv(host)->data;
 264 }
 265 void _SIMIX_host_free_process_arg(void *);
 266 void _SIMIX_host_free_process_arg(void *data)
 267 {
 268   smx_process_arg_t arg = *(void**)data;
 269   xbt_free(arg->name);
 270   xbt_free(arg);
 271 }
 272 /**
 273  * \brief Add a process to the list of the processes that the host will restart when it comes back
 274  * This function add a process to the list of the processes that will be restarted when the host comes
 275  * back. It is expected that this function is called when the host is down.
 276  * The processes will only be restarted once, meaning that you will have to register the process
 277  * again to restart the process again.
 278  */
 279 void SIMIX_host_add_auto_restart_process(smx_host_t host,
 280                                          const char *name,
 281                                          xbt_main_func_t code,
 282                                          void *data,
 283                                          const char *hostname,
 284                                          double kill_time,
 285                                          int argc, char **argv,
 286                                          xbt_dict_t properties,
 287                                          int auto_restart)
 288 {
 289   if (!SIMIX_host_priv(host)->auto_restart_processes) {
 290     SIMIX_host_priv(host)->auto_restart_processes = xbt_dynar_new(sizeof(smx_process_arg_t),_SIMIX_host_free_process_arg);
 291   }
 292   smx_process_arg_t arg = xbt_new(s_smx_process_arg_t,1);
 293   arg->name = xbt_strdup(name);
 294   arg->code = code;
 295   arg->data = data;
 296   arg->hostname = hostname;
 297   arg->kill_time = kill_time;
 298   arg->argc = argc;
 299
 300   arg->argv = xbt_new(char*,argc + 1);
 301
 302   int i;
 303   for (i = 0; i < argc; i++) {
 304     arg->argv[i] = xbt_strdup(argv[i]);
 305   }
 306   arg->argv[argc] = NULL;
 307
 308   arg->properties = properties;
 309   arg->auto_restart = auto_restart;
 310
 311   if( SIMIX_host_get_state(host) == SURF_RESOURCE_OFF
 312       && !xbt_dict_get_or_null(watched_hosts_lib,sg_host_name(host))){
 313     xbt_dict_set(watched_hosts_lib,sg_host_name(host),host,NULL);
 314     XBT_DEBUG("Have push host %s to watched_hosts_lib because state == SURF_RESOURCE_OFF",sg_host_name(host));
 315   }
 316   xbt_dynar_push_as(SIMIX_host_priv(host)->auto_restart_processes,smx_process_arg_t,arg);
 317 }
 318 /**
 319  * \brief Restart the list of processes that have been registered to the host
 320  */
 321 void SIMIX_host_restart_processes(smx_host_t host)
 322 {
 323   unsigned int cpt;
 324   smx_process_arg_t arg;
 325   xbt_dynar_foreach(SIMIX_host_priv(host)->auto_restart_processes,cpt,arg) {
 326
 327     smx_process_t process;
 328
 329     XBT_DEBUG("Restarting Process %s(%s) right now", arg->argv[0], arg->hostname);
 330     if (simix_global->create_process_function) {
 331       simix_global->create_process_function(&process,
 332                                             arg->argv[0],
 333                                             arg->code,
 334                                             NULL,
 335                                             arg->hostname,
 336                                             arg->kill_time,
 337                                             arg->argc,
 338                                             arg->argv,
 339                                             arg->properties,
 340                                             arg->auto_restart);
 341     }
 342     else {
 343       simcall_process_create(&process,
 344                                             arg->argv[0],
 345                                             arg->code,
 346                                             NULL,
 347                                             arg->hostname,
 348                                             arg->kill_time,
 349                                             arg->argc,
 350                                             arg->argv,
 351                                             arg->properties,
 352                                             arg->auto_restart);
 353
 354     }
 355   }
 356   xbt_dynar_reset(SIMIX_host_priv(host)->auto_restart_processes);
 357 }
 358
 359 void SIMIX_host_autorestart(smx_host_t host)
 360 {
 361   if(simix_global->autorestart)
 362     simix_global->autorestart(host);
 363   else
 364     xbt_die("No function for simix_global->autorestart");
 365 }
 366
 367 void SIMIX_pre_host_set_data(smx_simcall_t simcall, smx_host_t host, void *data) {
 368   SIMIX_host_set_data(host, data);
 369 }
 370 void SIMIX_host_set_data(smx_host_t host, void *data){
 371   xbt_assert((host != NULL), "Invalid parameters");
 372   xbt_assert((SIMIX_host_priv(host)->data == NULL), "Data already set");
 373
 374   SIMIX_host_priv(host)->data = data;
 375 }
 376
 377 smx_action_t SIMIX_pre_host_execute(smx_simcall_t simcall,const char *name,
 378     smx_host_t host, double computation_amount, double priority){
 379   return SIMIX_host_execute(name, host, computation_amount, priority);
 380 }
 381 smx_action_t SIMIX_host_execute(const char *name,
 382     smx_host_t host, double computation_amount, double priority){
 383
 384   /* alloc structures and initialize */
 385   smx_action_t action = xbt_mallocator_get(simix_global->action_mallocator);
 386   action->type = SIMIX_ACTION_EXECUTE;
 387   action->name = xbt_strdup(name);
 388   action->state = SIMIX_RUNNING;
 389   action->execution.host = host;
 390
 391 #ifdef HAVE_TRACING
 392   action->category = NULL;
 393 #endif
 394
 395   /* set surf's action */
 396   if (!MC_is_active()) {
 397     action->execution.surf_exec =
 398       surf_workstation_model->extension.workstation.execute(host,
 399     computation_amount);
 400     surf_workstation_model->action_data_set(action->execution.surf_exec, action);
 401     surf_workstation_model->set_priority(action->execution.surf_exec, priority);
 402   }
 403
 404   XBT_DEBUG("Create execute action %p", action);
 405
 406   return action;
 407 }
 408
 409 smx_action_t SIMIX_pre_host_parallel_execute(smx_simcall_t simcall, const char *name,
 410     int host_nb, smx_host_t *host_list,
 411     double *computation_amount, double *communication_amount,
 412     double amount, double rate){
 413   return SIMIX_host_parallel_execute(name, host_nb, host_list, computation_amount,
 414                                      communication_amount, amount, rate);
 415 }
 416 smx_action_t SIMIX_host_parallel_execute(const char *name,
 417     int host_nb, smx_host_t *host_list,
 418     double *computation_amount, double *communication_amount,
 419     double amount, double rate){
 420
 421   void **workstation_list = NULL;
 422   int i;
 423
 424   /* alloc structures and initialize */
 425   smx_action_t action = xbt_mallocator_get(simix_global->action_mallocator);
 426   action->type = SIMIX_ACTION_PARALLEL_EXECUTE;
 427   action->name = xbt_strdup(name);
 428   action->state = SIMIX_RUNNING;
 429   action->execution.host = NULL; /* FIXME: do we need the list of hosts? */
 430
 431 #ifdef HAVE_TRACING
 432   action->category = NULL;
 433 #endif
 434
 435   /* set surf's action */
 436   workstation_list = xbt_new0(void *, host_nb);
 437   for (i = 0; i < host_nb; i++)
 438     workstation_list[i] = host_list[i];
 439
 440   /* set surf's action */
 441   if (!MC_is_active()) {
 442     action->execution.surf_exec =
 443       surf_workstation_model->extension.workstation.
 444       execute_parallel_task(host_nb, workstation_list, computation_amount,
 445                       communication_amount, rate);
 446
 447     surf_workstation_model->action_data_set(action->execution.surf_exec, action);
 448   }
 449   XBT_DEBUG("Create parallel execute action %p", action);
 450
 451   return action;
 452 }
 453
 454 void SIMIX_pre_host_execution_destroy(smx_simcall_t simcall, smx_action_t action){
 455   SIMIX_host_execution_destroy(action);
 456 }
 457 void SIMIX_host_execution_destroy(smx_action_t action){
 458   XBT_DEBUG("Destroy action %p", action);
 459
 460   if (action->execution.surf_exec) {
 461     surf_workstation_model->action_unref(action->execution.surf_exec);
 462     action->execution.surf_exec = NULL;
 463   }
 464   xbt_free(action->name);
 465   xbt_mallocator_release(simix_global->action_mallocator, action);
 466 }
 467
 468 void SIMIX_pre_host_execution_cancel(smx_simcall_t simcall, smx_action_t action){
 469   SIMIX_host_execution_cancel(action);
 470 }
 471 void SIMIX_host_execution_cancel(smx_action_t action){
 472   XBT_DEBUG("Cancel action %p", action);
 473
 474   if (action->execution.surf_exec)
 475     surf_workstation_model->action_cancel(action->execution.surf_exec);
 476 }
 477
 478 double SIMIX_pre_host_execution_get_remains(smx_simcall_t simcall, smx_action_t action){
 479   return SIMIX_host_execution_get_remains(action);
 480 }
 481 double SIMIX_host_execution_get_remains(smx_action_t action){
 482   double result = 0.0;
 483
 484   if (action->state == SIMIX_RUNNING)
 485     result = surf_workstation_model->get_remains(action->execution.surf_exec);
 486
 487   return result;
 488 }
 489
 490 e_smx_state_t SIMIX_pre_host_execution_get_state(smx_simcall_t simcall, smx_action_t action){
 491   return SIMIX_host_execution_get_state(action);
 492 }
 493 e_smx_state_t SIMIX_host_execution_get_state(smx_action_t action){
 494   return action->state;
 495 }
 496
 497 void SIMIX_pre_host_execution_set_priority(smx_simcall_t simcall, smx_action_t action,
 498                                         double priority){
 499   return SIMIX_host_execution_set_priority(action, priority);
 500 }
 501 void SIMIX_host_execution_set_priority(smx_action_t action, double priority){
 502   if(action->execution.surf_exec)
 503     surf_workstation_model->set_priority(action->execution.surf_exec, priority);
 504 }
 505
 506 void SIMIX_pre_host_execution_wait(smx_simcall_t simcall, smx_action_t action){
 507
 508   XBT_DEBUG("Wait for execution of action %p, state %d", action, (int)action->state);
 509
 510   /* Associate this simcall to the action */
 511   xbt_fifo_push(action->simcalls, simcall);
 512   simcall->issuer->waiting_action = action;
 513
 514   /* set surf's action */
 515   if (MC_is_active()) {
 516     action->state = SIMIX_DONE;
 517     SIMIX_execution_finish(action);
 518     return;
 519   }
 520
 521   /* If the action is already finished then perform the error handling */
 522   if (action->state != SIMIX_RUNNING)
 523     SIMIX_execution_finish(action);
 524 }
 525
 526 void SIMIX_host_execution_suspend(smx_action_t action)
 527 {
 528   if(action->execution.surf_exec)
 529     surf_workstation_model->suspend(action->execution.surf_exec);
 530 }
 531
 532 void SIMIX_host_execution_resume(smx_action_t action)
 533 {
 534   if(action->execution.surf_exec)
 535     surf_workstation_model->resume(action->execution.surf_exec);
 536 }
 537
 538 void SIMIX_execution_finish(smx_action_t action)
 539 {
 540   xbt_fifo_item_t item;
 541   smx_simcall_t simcall;
 542
 543   xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) {
 544
 545     switch (action->state) {
 546
 547       case SIMIX_DONE:
 548         /* do nothing, action done */
 549   XBT_DEBUG("SIMIX_execution_finished: execution successful");
 550         break;
 551
 552       case SIMIX_FAILED:
 553         XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", sg_host_name(simcall->issuer->smx_host));
 554         simcall->issuer->context->iwannadie = 1;
 555         //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
 556         break;
 557
 558       case SIMIX_CANCELED:
 559         XBT_DEBUG("SIMIX_execution_finished: execution canceled");
 560         SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
 561         break;
 562
 563       default:
 564         xbt_die("Internal error in SIMIX_execution_finish: unexpected action state %d",
 565             (int)action->state);
 566     }
 567     /* check if the host is down */
 568     if (surf_workstation_model->extension.
 569         workstation.get_state(simcall->issuer->smx_host) != SURF_RESOURCE_ON) {
 570       simcall->issuer->context->iwannadie = 1;
 571     }
 572
 573     simcall->issuer->waiting_action =    NULL;
 574     simcall_host_execution_wait__set__result(simcall, action->state);
 575     SIMIX_simcall_answer(simcall);
 576   }
 577
 578   /* We no longer need it */
 579   SIMIX_host_execution_destroy(action);
 580 }
 581
 582 void SIMIX_post_host_execute(smx_action_t action)
 583 {
 584   if (action->type == SIMIX_ACTION_EXECUTE && /* FIMXE: handle resource failure
 585                                                * for parallel tasks too */
 586       surf_workstation_model->extension.workstation.get_state(action->execution.host) == SURF_RESOURCE_OFF) {
 587     /* If the host running the action failed, notice it so that the asking
 588      * process can be killed if it runs on that host itself */
 589     action->state = SIMIX_FAILED;
 590   } else if (surf_workstation_model->action_state_get(action->execution.surf_exec) == SURF_ACTION_FAILED) {
 591     /* If the host running the action didn't fail, then the action was
 592      * canceled */
 593     action->state = SIMIX_CANCELED;
 594   } else {
 595     action->state = SIMIX_DONE;
 596   }
 597
 598   if (action->execution.surf_exec) {
 599     surf_workstation_model->action_unref(action->execution.surf_exec);
 600     action->execution.surf_exec = NULL;
 601   }
 602
 603   /* If there are simcalls associated with the action, then answer them */
 604   if (xbt_fifo_size(action->simcalls)) {
 605     SIMIX_execution_finish(action);
 606   }
 607 }
 608
 609
 610 #ifdef HAVE_TRACING
 611 void SIMIX_pre_set_category(smx_simcall_t simcall, smx_action_t action,
 612                             const char *category){
 613   SIMIX_set_category(action, category);
 614 }
 615 void SIMIX_set_category(smx_action_t action, const char *category)
 616 {
 617   if (action->state != SIMIX_RUNNING) return;
 618   if (action->type == SIMIX_ACTION_EXECUTE){
 619     surf_workstation_model->set_category(action->execution.surf_exec, category);
 620   }else if (action->type == SIMIX_ACTION_COMMUNICATE){
 621     surf_workstation_model->set_category(action->comm.surf_comm, category);
 622   }
 623 }
 624 #endif
 625
 626 xbt_dynar_t SIMIX_pre_host_get_storage_list(smx_simcall_t simcall, smx_host_t host){
 627   return SIMIX_host_get_storage_list(host);
 628 }
 629 xbt_dynar_t SIMIX_host_get_storage_list(smx_host_t host){
 630   xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
 631
 632   return surf_workstation_model->extension.workstation.get_storage_list(host);
 633 }