src/surf/storage.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 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 "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "xbt/file_stat.h"
  10 #include "portable.h"
  11 #include "surf_private.h"
  12 #include "storage_private.h"
  13 #include "surf/surf_resource.h"
  14
  15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
  16                                 "Logging specific to the SURF storage module");
  17
  18 xbt_lib_t storage_lib;
  19 int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
  20 int ROUTING_STORAGE_HOST_LEVEL;
  21 int SURF_STORAGE_LEVEL;
  22 xbt_lib_t storage_type_lib;
  23 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
  24
  25 xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
  26
  27 surf_model_t surf_storage_model = NULL;
  28 lmm_system_t storage_maxmin_system = NULL;
  29 static int storage_selective_update = 0;
  30 static xbt_swag_t
  31     storage_running_action_set_that_does_not_need_being_checked = NULL;
  32
  33 static xbt_dynar_t storage_list;
  34
  35 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  36 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  37
  38 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
  39 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
  40 static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type);
  41
  42 static surf_action_t storage_action_stat(void *storage, surf_file_t stream)
  43 {
  44   surf_action_t action = storage_action_execute(storage,0, STAT);
  45   action->file = stream;
  46   action->stat = stream->content->stat;
  47   return action;
  48 }
  49
  50 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
  51 {
  52   XBT_DEBUG("\tOpen file '%s'",path);
  53   xbt_dict_t content_dict = ((storage_t)storage)->content;
  54   surf_stat_t content = xbt_dict_get(content_dict,path);
  55
  56   surf_file_t file = xbt_new0(s_surf_file_t,1);
  57   file->name = xbt_strdup(path);
  58   file->content = content;
  59   file->storage = mount;
  60
  61   surf_action_t action = storage_action_execute(storage,0, OPEN);
  62   action->file = (void *)file;
  63   return action;
  64 }
  65
  66 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
  67 {
  68   char *filename = fp->name;
  69   XBT_DEBUG("\tClose file '%s' size '%f'",filename,fp->content->stat.size);
  70   free(fp->name);
  71   fp->content = NULL;
  72   xbt_free(fp);
  73   surf_action_t action = storage_action_execute(storage,0, CLOSE);
  74   return action;
  75 }
  76
  77 static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  78 {
  79   char *filename = stream->name;
  80   surf_stat_t content = stream->content;
  81   XBT_DEBUG("\tRead file '%s' size '%f/%zu'",filename,content->stat.size,size);
  82   if(size > content->stat.size)
  83     size = content->stat.size;
  84   surf_action_t action = storage_action_execute(storage,size,READ);
  85   return action;
  86 }
  87
  88 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  89 {
  90   char *filename = stream->name;
  91   surf_stat_t content = stream->content;
  92   XBT_DEBUG("\tWrite file '%s' size '%zu/%f'",filename,size,content->stat.size);
  93
  94   surf_action_t action = storage_action_execute(storage,size,WRITE);
  95   action->file = stream;
  96
  97   // If the storage is full
  98   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
  99     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 100   }
 101   return action;
 102 }
 103
 104 static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type)
 105 {
 106   surf_action_storage_t action = NULL;
 107   storage_t STORAGE = storage;
 108
 109   XBT_IN("(%s,%zu)", surf_resource_name(STORAGE), size);
 110   action =
 111       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 112           STORAGE->state_current != SURF_RESOURCE_ON);
 113
 114   // Save the storage on action
 115   action->storage = storage;
 116   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 117                                                    calloc but it seems to help valgrind... */
 118
 119   GENERIC_LMM_ACTION(action).variable =
 120       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 121
 122   // Must be less than the max bandwidth for all actions
 123   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 124              GENERIC_LMM_ACTION(action).variable, 1.0);
 125
 126   switch(type) {
 127   case OPEN:
 128   case CLOSE:
 129   case STAT:
 130     break;
 131   case READ:
 132     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 133                GENERIC_LMM_ACTION(action).variable, 1.0);
 134     break;
 135   case WRITE:
 136     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 137                GENERIC_LMM_ACTION(action).variable, 1.0);
 138     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 139
 140     break;
 141   }
 142   action->type = type;
 143   XBT_OUT();
 144   return (surf_action_t) action;
 145 }
 146
 147 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
 148 {
 149   storage_t storage = NULL;
 150
 151   xbt_assert(!surf_storage_resource_by_name(id),
 152               "Storage '%s' declared several times in the platform file",
 153               id);
 154   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 155           surf_storage_model, id,NULL);
 156
 157   storage->state_current = SURF_RESOURCE_ON;
 158   storage->used_size = 0;
 159   storage->size = 0;
 160   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
 161
 162   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 163   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 164   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 165   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
 166   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
 167   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 168   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 169   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 170   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 171   storage->size = storage_type->size;
 172
 173   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 174
 175   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tproperties '%p'\n\t\tBread '%f'\n",
 176       id,
 177       model,
 178       type_id,
 179       storage_type->properties,
 180       Bread);
 181
 182   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),free);
 183   xbt_dynar_push(storage_list,&storage);
 184
 185   return storage;
 186 }
 187
 188 static void storage_finalize(void)
 189 {
 190   lmm_system_free(storage_maxmin_system);
 191   storage_maxmin_system = NULL;
 192
 193   surf_model_exit(surf_storage_model);
 194   surf_storage_model = NULL;
 195
 196   xbt_swag_free
 197       (storage_running_action_set_that_does_not_need_being_checked);
 198   storage_running_action_set_that_does_not_need_being_checked = NULL;
 199 }
 200
 201 static void storage_update_actions_state(double now, double delta)
 202 {
 203   surf_action_storage_t action = NULL;
 204   surf_action_storage_t next_action = NULL;
 205   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 206
 207   // Update the disk usage
 208   // Update the file size
 209   // Foreach action of type write
 210   xbt_swag_foreach_safe(action, next_action, running_actions) {
 211     if(action->type == WRITE)
 212     {
 213       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 214       XBT_INFO("Update %f + %f = %f",((surf_action_t)action)->file->content->stat.size,delta * rate,((surf_action_t)action)->file->content->stat.size+delta * rate);
 215       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
 216       ((surf_action_t)action)->file->content->stat.size += delta * rate; // file size
 217     }
 218   }
 219
 220   xbt_swag_foreach_safe(action, next_action, running_actions) {
 221
 222     double_update(&(GENERIC_ACTION(action).remains),
 223                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 224
 225     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 226       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 227
 228     if(GENERIC_ACTION(action).remains > 0 &&
 229         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 230         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 231     {
 232       GENERIC_ACTION(action).finish = surf_get_clock();
 233       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 234     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 235         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 236     {
 237       GENERIC_ACTION(action).finish = surf_get_clock();
 238       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 239     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 240                (GENERIC_ACTION(action).max_duration <= 0))
 241     {
 242       GENERIC_ACTION(action).finish = surf_get_clock();
 243       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 244     }
 245   }
 246
 247   return;
 248 }
 249
 250 static double storage_share_resources(double NOW)
 251 {
 252   XBT_DEBUG("storage_share_resources %f",NOW);
 253   s_surf_action_storage_t action;
 254   unsigned int i,j;
 255   storage_t storage;
 256   surf_action_storage_t write_action;
 257
 258   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 259       xbt_swag_offset(action, generic_lmm_action.variable),
 260       storage_maxmin_system, lmm_solve);
 261
 262   double rate;
 263   // Foreach disk
 264   xbt_dynar_foreach(storage_list,i,storage)
 265   {
 266     rate = 0;
 267     // Foreach write action on disk
 268     xbt_dynar_foreach(storage->write_actions,j,write_action)
 269     {
 270       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 271     }
 272     if(rate > 0)
 273       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 274   }
 275
 276   return min_completion;
 277 }
 278
 279 static int storage_resource_used(void *resource_id)
 280 {
 281   THROW_UNIMPLEMENTED;
 282   return 0;
 283 }
 284
 285 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 286                                  double value, double time)
 287 {
 288   THROW_UNIMPLEMENTED;
 289 }
 290
 291 static int storage_action_unref(surf_action_t action)
 292 {
 293   action->refcount--;
 294   if (!action->refcount) {
 295     xbt_swag_remove(action, action->state_set);
 296     if (((surf_action_lmm_t) action)->variable)
 297       lmm_variable_free(storage_maxmin_system,
 298                         ((surf_action_lmm_t) action)->variable);
 299 #ifdef HAVE_TRACING
 300     xbt_free(action->category);
 301 #endif
 302     surf_action_free(&action);
 303     return 1;
 304   }
 305   return 0;
 306 }
 307
 308 static void storage_action_cancel(surf_action_t action)
 309 {
 310   surf_action_state_set(action, SURF_ACTION_FAILED);
 311   return;
 312 }
 313
 314 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 315 {
 316   surf_action_state_set(action, state);
 317   return;
 318 }
 319
 320 static void storage_action_suspend(surf_action_t action)
 321 {
 322   XBT_IN("(%p)", action);
 323   if (((surf_action_lmm_t) action)->suspended != 2) {
 324     lmm_update_variable_weight(storage_maxmin_system,
 325                                ((surf_action_lmm_t) action)->variable,
 326                                0.0);
 327     ((surf_action_lmm_t) action)->suspended = 1;
 328   }
 329   XBT_OUT();
 330 }
 331
 332 static void storage_action_resume(surf_action_t action)
 333 {
 334   THROW_UNIMPLEMENTED;
 335 }
 336
 337 static int storage_action_is_suspended(surf_action_t action)
 338 {
 339   return (((surf_action_lmm_t) action)->suspended == 1);
 340 }
 341
 342 static void storage_action_set_max_duration(surf_action_t action, double duration)
 343 {
 344   THROW_UNIMPLEMENTED;
 345 }
 346
 347 static void storage_action_set_priority(surf_action_t action, double priority)
 348 {
 349   THROW_UNIMPLEMENTED;
 350 }
 351
 352 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 353 {
 354   void* stype = xbt_lib_get_or_null(storage_type_lib,
 355                                     storage->type_id,
 356                                     ROUTING_STORAGE_TYPE_LEVEL);
 357   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 358
 359   // if storage content is not specified use the content of storage_type if exist
 360   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 361     storage->content = ((storage_type_t) stype)->content;
 362     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
 363   }
 364
 365   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tproperties '%p'\n",
 366       storage->id,
 367       ((storage_type_t) stype)->model,
 368       ((storage_type_t) stype)->type_id,
 369       storage->content,
 370       ((storage_type_t) stype)->properties);
 371
 372   storage_create_resource(storage->id,
 373      ((storage_type_t) stype)->model,
 374      ((storage_type_t) stype)->type_id,
 375      storage->content);
 376 }
 377
 378 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 379 {
 380   XBT_DEBUG("parse_mstorage_init");
 381 }
 382
 383 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 384 {
 385   XBT_DEBUG("parse_storage_type_init");
 386 }
 387
 388 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 389 {
 390   XBT_DEBUG("parse_mount_init");
 391 }
 392
 393 static void storage_define_callbacks()
 394 {
 395   sg_platf_storage_add_cb(parse_storage_init);
 396   sg_platf_storage_type_add_cb(parse_storage_type_init);
 397   sg_platf_mstorage_add_cb(parse_mstorage_init);
 398   sg_platf_mount_add_cb(parse_mount_init);
 399 }
 400
 401 static void surf_storage_model_init_internal(void)
 402 {
 403   s_surf_action_t action;
 404
 405   XBT_DEBUG("surf_storage_model_init_internal");
 406   surf_storage_model = surf_model_init();
 407
 408   storage_running_action_set_that_does_not_need_being_checked =
 409       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 410
 411   surf_storage_model->name = "Storage";
 412   surf_storage_model->action_unref = storage_action_unref;
 413   surf_storage_model->action_cancel = storage_action_cancel;
 414   surf_storage_model->action_state_set = storage_action_state_set;
 415
 416   surf_storage_model->model_private->finalize = storage_finalize;
 417   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 418   surf_storage_model->model_private->share_resources = storage_share_resources;
 419   surf_storage_model->model_private->resource_used = storage_resource_used;
 420   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 421
 422   surf_storage_model->suspend = storage_action_suspend;
 423   surf_storage_model->resume = storage_action_resume;
 424   surf_storage_model->is_suspended = storage_action_is_suspended;
 425   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 426   surf_storage_model->set_priority = storage_action_set_priority;
 427
 428   surf_storage_model->extension.storage.open = storage_action_open;
 429   surf_storage_model->extension.storage.close = storage_action_close;
 430   surf_storage_model->extension.storage.read = storage_action_read;
 431   surf_storage_model->extension.storage.write = storage_action_write;
 432   surf_storage_model->extension.storage.stat = storage_action_stat;
 433   surf_storage_model->extension.storage.create_resource = storage_create_resource;
 434
 435   if (!storage_maxmin_system) {
 436     storage_maxmin_system = lmm_system_new(storage_selective_update);
 437   }
 438
 439 }
 440
 441 void surf_storage_model_init_default(void)
 442 {
 443   surf_storage_model_init_internal();
 444   storage_define_callbacks();
 445
 446   xbt_dynar_push(model_list, &surf_storage_model);
 447 }
 448
 449 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 450 {
 451   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 452                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 453
 454   // Verification of an existing type_id
 455 #ifndef NDEBUG
 456   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 457 #endif
 458   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 459
 460   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 461       storage->id,
 462       storage->type_id,
 463       storage->content);
 464
 465   xbt_lib_set(storage_lib,
 466       storage->id,
 467       ROUTING_STORAGE_LEVEL,
 468       (void *) xbt_strdup(storage->type_id));
 469 }
 470
 471 static void free_storage_content(void *p)
 472 {
 473   surf_stat_t content = p;
 474   free(content->stat.date);
 475   free(content->stat.group);
 476   free(content->stat.time);
 477   free(content->stat.user);
 478   free(content->stat.user_rights);
 479   free(content);
 480 }
 481
 482 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
 483 {
 484   *used_size = 0;
 485   if ((!filename) || (strcmp(filename, "") == 0))
 486     return NULL;
 487
 488   xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
 489   FILE *file = NULL;
 490
 491   file = surf_fopen(filename, "r");
 492   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 493               xbt_str_join(surf_path, ":"));
 494
 495   char *line = NULL;
 496   size_t len = 0;
 497   ssize_t read;
 498   char user_rights[12];
 499   char user[100];
 500   char group[100];
 501   char date[12];
 502   char time[12];
 503   char path[1024];
 504   int nb;
 505   unsigned long size;
 506
 507   surf_stat_t content;
 508
 509   while ((read = getline(&line, &len, file)) != -1) {
 510     content = xbt_new0(s_surf_stat_t,1);
 511     if(sscanf(line,"%s %d %s %s %ld %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
 512       content->stat.date = xbt_strdup(date);
 513       content->stat.group = xbt_strdup(group);
 514       content->stat.size = size;
 515       content->stat.time = xbt_strdup(time);
 516       content->stat.user = xbt_strdup(user);
 517       content->stat.user_rights = xbt_strdup(user_rights);
 518       *used_size += content->stat.size;
 519       xbt_dict_set(parse_content,path,content,NULL);
 520     } else {
 521       xbt_die("Be sure of passing a good format for content file.\n");
 522       // You can generate this kind of file with command line:
 523       // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
 524     }
 525   }
 526   if (line)
 527       free(line);
 528   fclose(file);
 529   return parse_content;
 530 }
 531
 532 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 533 {
 534   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 535                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 536
 537   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 538   stype->model = xbt_strdup(storage_type->model);
 539   stype->properties = storage_type->properties;
 540   stype->content = xbt_strdup(storage_type->content);
 541   stype->type_id = xbt_strdup(storage_type->id);
 542   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
 543
 544   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
 545       stype->type_id,
 546       stype->model,
 547       storage_type->content);
 548
 549   xbt_lib_set(storage_type_lib,
 550       stype->type_id,
 551       ROUTING_STORAGE_TYPE_LEVEL,
 552       (void *) stype);
 553 }
 554 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 555 {
 556   THROW_UNIMPLEMENTED;
 557 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 558 //  mnt->id = xbt_strdup(mstorage->type_id);
 559 //  mnt->name = xbt_strdup(mstorage->name);
 560 //
 561 //  if(!mount_list){
 562 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 563 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 564 //  }
 565 //  xbt_dynar_push(mount_list,(void *) mnt);
 566 //  free(mnt->id);
 567 //  free(mnt->name);
 568 //  xbt_free(mnt);
 569 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 570 }
 571
 572 static void mount_free(void *p)
 573 {
 574   mount_t mnt = p;
 575   xbt_free(mnt->name);
 576 }
 577
 578 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 579 {
 580   // Verification of an existing storage
 581 #ifndef NDEBUG
 582   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 583 #endif
 584   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 585
 586   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 587
 588   s_mount_t mnt;
 589   mnt.id = surf_storage_resource_by_name(mount->id);
 590   mnt.name = xbt_strdup(mount->name);
 591
 592   if(!mount_list){
 593     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 594     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 595   }
 596   xbt_dynar_push(mount_list,&mnt);
 597 }
 598
 599 static XBT_INLINE void routing_storage_type_free(void *r)
 600 {
 601   storage_type_t stype = r;
 602   free(stype->model);
 603   free(stype->type_id);
 604   free(stype->content);
 605   xbt_dict_free(&(stype->properties));
 606   free(stype);
 607 }
 608
 609 static XBT_INLINE void surf_storage_resource_free(void *r)
 610 {
 611   // specific to storage
 612   storage_t storage = r;
 613   xbt_dict_free(&storage->content);
 614   // generic resource
 615   surf_resource_free(r);
 616 }
 617
 618 static XBT_INLINE void routing_storage_host_free(void *r)
 619 {
 620   xbt_dynar_t dyn = r;
 621   xbt_dynar_free(&dyn);
 622 }
 623
 624 void storage_register_callbacks() {
 625
 626   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 627   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 628   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 629   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 630
 631   sg_platf_storage_add_cb(storage_parse_storage);
 632   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 633   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 634   sg_platf_mount_add_cb(storage_parse_mount);
 635 }