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 int storage_action_unref(surf_action_t action);
  40 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
  41 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type);
  42
  43 static surf_action_t storage_action_ls(void *storage, const char* path)
  44 {
  45   surf_action_t action = storage_action_execute(storage,0, LS);
  46   action->ls_dict = NULL;
  47   xbt_dict_t ls_dict = xbt_dict_new();
  48
  49   char* key;
  50   unsigned long size = 0;
  51   xbt_dict_cursor_t cursor = NULL;
  52
  53   xbt_dynar_t dyn = NULL;
  54   char* file = NULL;
  55
  56   // for each file in the storage content
  57   xbt_dict_foreach(((storage_t)storage)->content,cursor,key,size){
  58     // Search if file start with the prefix 'path'
  59     if(xbt_str_start_with(key,path)){
  60       file = &key[strlen(path)];
  61
  62       // Split file with '/'
  63       dyn = xbt_str_split(file,"/");
  64       file = xbt_dynar_get_as(dyn,0,char*);
  65
  66       // file
  67       if(xbt_dynar_length(dyn) == 1){
  68         xbt_dict_set(ls_dict,file,&size,NULL);
  69       }
  70       // Directory
  71       else
  72       {
  73         // if directory does not exist yet in the dictionary
  74         if(!xbt_dict_get_or_null(ls_dict,file))
  75           xbt_dict_set(ls_dict,file,NULL,NULL);
  76       }
  77       xbt_dynar_free(&dyn);
  78     }
  79   }
  80
  81   action->ls_dict = ls_dict;
  82   return action;
  83 }
  84
  85 static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
  86 {
  87   surf_action_t action = storage_action_execute(storage,0, UNLINK);
  88
  89   // Add memory to storage
  90   ((storage_t)storage)->used_size -= stream->size;
  91
  92   // Remove the file from storage
  93   xbt_dict_t content_dict = ((storage_t)storage)->content;
  94   xbt_dict_remove(content_dict,stream->name);
  95
  96   free(stream->name);
  97   xbt_free(stream);
  98
  99   return action;
 100 }
 101
 102 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
 103 {
 104   XBT_DEBUG("\tOpen file '%s'",path);
 105   xbt_dict_t content_dict = ((storage_t)storage)->content;
 106   unsigned long size = (unsigned long) xbt_dict_get_or_null(content_dict,path);
 107   // if file does not exist create an empty file
 108   if(!size){
 109     xbt_dict_set(content_dict,path,&size,NULL);
 110     XBT_DEBUG("File '%s' was not found, file created.",path);
 111   }
 112   surf_file_t file = xbt_new0(s_surf_file_t,1);
 113   file->name = xbt_strdup(path);
 114   file->size = size;
 115   file->storage = mount;
 116
 117   surf_action_t action = storage_action_execute(storage,0, OPEN);
 118   action->file = (void *)file;
 119   return action;
 120 }
 121
 122 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
 123 {
 124   char *filename = fp->name;
 125   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fp->size);
 126   // unref write actions from storage
 127   surf_action_storage_t write_action;
 128   unsigned int i;
 129   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
 130     if ((write_action->generic_lmm_action.generic_action.file) == fp) {
 131       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
 132       storage_action_unref((surf_action_t) write_action);
 133     }
 134   }
 135
 136   free(fp->name);
 137   xbt_free(fp);
 138   surf_action_t action = storage_action_execute(storage,0, CLOSE);
 139   return action;
 140 }
 141
 142 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
 143 {
 144   if(size > stream->size)
 145     size = stream->size;
 146   surf_action_t action = storage_action_execute(storage,size,READ);
 147   return action;
 148 }
 149
 150 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 151 {
 152   char *filename = stream->name;
 153   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
 154
 155   surf_action_t action = storage_action_execute(storage,size,WRITE);
 156   action->file = stream;
 157
 158   // If the storage is full
 159   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
 160     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 161   }
 162   return action;
 163 }
 164
 165 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
 166 {
 167   surf_action_storage_t action = NULL;
 168   storage_t STORAGE = storage;
 169
 170   XBT_IN("(%s,%f", surf_resource_name(STORAGE), size);
 171   action =
 172       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 173           STORAGE->state_current != SURF_RESOURCE_ON);
 174
 175   // Save the storage on action
 176   action->storage = storage;
 177   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 178                                                    calloc but it seems to help valgrind... */
 179
 180   GENERIC_LMM_ACTION(action).variable =
 181       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 182
 183   // Must be less than the max bandwidth for all actions
 184   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 185              GENERIC_LMM_ACTION(action).variable, 1.0);
 186
 187   switch(type) {
 188   case OPEN:
 189   case CLOSE:
 190   case STAT:
 191   case UNLINK:
 192   case LS:
 193     break;
 194   case READ:
 195     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 196                GENERIC_LMM_ACTION(action).variable, 1.0);
 197     break;
 198   case WRITE:
 199     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 200                GENERIC_LMM_ACTION(action).variable, 1.0);
 201     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 202     surf_action_ref((surf_action_t) action);
 203     break;
 204   }
 205   action->type = type;
 206   XBT_OUT();
 207   return (surf_action_t) action;
 208 }
 209
 210 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
 211 {
 212   storage_t storage = NULL;
 213
 214   xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
 215               "Storage '%s' declared several times in the platform file",
 216               id);
 217   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 218           surf_storage_model, id,NULL);
 219
 220   storage->state_current = SURF_RESOURCE_ON;
 221   storage->used_size = 0;
 222   storage->size = 0;
 223   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
 224
 225   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 226   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 227   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 228   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
 229   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
 230   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 231   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 232   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 233   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 234   storage->size = storage_type->size;
 235
 236   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 237
 238   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",
 239       id,
 240       model,
 241       type_id,
 242       storage_type->properties,
 243       Bread);
 244
 245   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
 246   xbt_dynar_push(storage_list,&storage);
 247
 248   return storage;
 249 }
 250
 251 static void storage_finalize(void)
 252 {
 253   lmm_system_free(storage_maxmin_system);
 254   storage_maxmin_system = NULL;
 255
 256   surf_model_exit(surf_storage_model);
 257   surf_storage_model = NULL;
 258
 259   xbt_dynar_free(&storage_list);
 260
 261   xbt_swag_free
 262       (storage_running_action_set_that_does_not_need_being_checked);
 263   storage_running_action_set_that_does_not_need_being_checked = NULL;
 264 }
 265
 266 static void storage_update_actions_state(double now, double delta)
 267 {
 268   surf_action_storage_t action = NULL;
 269   surf_action_storage_t next_action = NULL;
 270   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 271
 272   // Update the disk usage
 273   // Update the file size
 274   // For each action of type write
 275   xbt_swag_foreach_safe(action, next_action, running_actions) {
 276     if(action->type == WRITE)
 277     {
 278       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 279       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
 280       ((surf_action_t)action)->file->size += delta * rate; // file size
 281     }
 282   }
 283
 284   xbt_swag_foreach_safe(action, next_action, running_actions) {
 285
 286     double_update(&(GENERIC_ACTION(action).remains),
 287                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 288
 289     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 290       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 291
 292     if(GENERIC_ACTION(action).remains > 0 &&
 293         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 294         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 295     {
 296       GENERIC_ACTION(action).finish = surf_get_clock();
 297       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 298     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 299         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 300     {
 301       GENERIC_ACTION(action).finish = surf_get_clock();
 302       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 303     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 304                (GENERIC_ACTION(action).max_duration <= 0))
 305     {
 306       GENERIC_ACTION(action).finish = surf_get_clock();
 307       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 308     }
 309   }
 310
 311   return;
 312 }
 313
 314 static double storage_share_resources(double NOW)
 315 {
 316   XBT_DEBUG("storage_share_resources %f",NOW);
 317   s_surf_action_storage_t action;
 318   unsigned int i,j;
 319   storage_t storage;
 320   surf_action_storage_t write_action;
 321
 322   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 323       xbt_swag_offset(action, generic_lmm_action.variable),
 324       storage_maxmin_system, lmm_solve);
 325
 326   double rate;
 327   // Foreach disk
 328   xbt_dynar_foreach(storage_list,i,storage)
 329   {
 330     rate = 0;
 331     // Foreach write action on disk
 332     xbt_dynar_foreach(storage->write_actions,j,write_action)
 333     {
 334       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 335     }
 336     if(rate > 0)
 337       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 338   }
 339
 340   return min_completion;
 341 }
 342
 343 static int storage_resource_used(void *resource_id)
 344 {
 345   THROW_UNIMPLEMENTED;
 346   return 0;
 347 }
 348
 349 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 350                                  double value, double time)
 351 {
 352   THROW_UNIMPLEMENTED;
 353 }
 354
 355 static int storage_action_unref(surf_action_t action)
 356 {
 357   action->refcount--;
 358   if (!action->refcount) {
 359     xbt_swag_remove(action, action->state_set);
 360     if (((surf_action_lmm_t) action)->variable)
 361       lmm_variable_free(storage_maxmin_system,
 362                         ((surf_action_lmm_t) action)->variable);
 363 #ifdef HAVE_TRACING
 364     xbt_free(action->category);
 365 #endif
 366     surf_action_free(&action);
 367     return 1;
 368   }
 369   return 0;
 370 }
 371
 372 static void storage_action_cancel(surf_action_t action)
 373 {
 374   surf_action_state_set(action, SURF_ACTION_FAILED);
 375   return;
 376 }
 377
 378 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 379 {
 380   surf_action_state_set(action, state);
 381   return;
 382 }
 383
 384 static void storage_action_suspend(surf_action_t action)
 385 {
 386   XBT_IN("(%p)", action);
 387   if (((surf_action_lmm_t) action)->suspended != 2) {
 388     lmm_update_variable_weight(storage_maxmin_system,
 389                                ((surf_action_lmm_t) action)->variable,
 390                                0.0);
 391     ((surf_action_lmm_t) action)->suspended = 1;
 392   }
 393   XBT_OUT();
 394 }
 395
 396 static void storage_action_resume(surf_action_t action)
 397 {
 398   THROW_UNIMPLEMENTED;
 399 }
 400
 401 static int storage_action_is_suspended(surf_action_t action)
 402 {
 403   return (((surf_action_lmm_t) action)->suspended == 1);
 404 }
 405
 406 static void storage_action_set_max_duration(surf_action_t action, double duration)
 407 {
 408   THROW_UNIMPLEMENTED;
 409 }
 410
 411 static void storage_action_set_priority(surf_action_t action, double priority)
 412 {
 413   THROW_UNIMPLEMENTED;
 414 }
 415
 416 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 417 {
 418   void* stype = xbt_lib_get_or_null(storage_type_lib,
 419                                     storage->type_id,
 420                                     ROUTING_STORAGE_TYPE_LEVEL);
 421   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 422
 423   // if storage content is not specified use the content of storage_type if exist
 424   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 425     storage->content = ((storage_type_t) stype)->content;
 426     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
 427   }
 428
 429   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",
 430       storage->id,
 431       ((storage_type_t) stype)->model,
 432       ((storage_type_t) stype)->type_id,
 433       storage->content,
 434       ((storage_type_t) stype)->properties);
 435
 436   storage_create_resource(storage->id,
 437      ((storage_type_t) stype)->model,
 438      ((storage_type_t) stype)->type_id,
 439      storage->content);
 440 }
 441
 442 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 443 {
 444   XBT_DEBUG("parse_mstorage_init");
 445 }
 446
 447 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 448 {
 449   XBT_DEBUG("parse_storage_type_init");
 450 }
 451
 452 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 453 {
 454   XBT_DEBUG("parse_mount_init");
 455 }
 456
 457 static void storage_define_callbacks()
 458 {
 459   sg_platf_storage_add_cb(parse_storage_init);
 460   sg_platf_storage_type_add_cb(parse_storage_type_init);
 461   sg_platf_mstorage_add_cb(parse_mstorage_init);
 462   sg_platf_mount_add_cb(parse_mount_init);
 463 }
 464
 465 static void surf_storage_model_init_internal(void)
 466 {
 467   s_surf_action_t action;
 468
 469   XBT_DEBUG("surf_storage_model_init_internal");
 470   surf_storage_model = surf_model_init();
 471
 472   storage_running_action_set_that_does_not_need_being_checked =
 473       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 474
 475   surf_storage_model->name = "Storage";
 476   surf_storage_model->action_unref = storage_action_unref;
 477   surf_storage_model->action_cancel = storage_action_cancel;
 478   surf_storage_model->action_state_set = storage_action_state_set;
 479
 480   surf_storage_model->model_private->finalize = storage_finalize;
 481   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 482   surf_storage_model->model_private->share_resources = storage_share_resources;
 483   surf_storage_model->model_private->resource_used = storage_resource_used;
 484   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 485
 486   surf_storage_model->suspend = storage_action_suspend;
 487   surf_storage_model->resume = storage_action_resume;
 488   surf_storage_model->is_suspended = storage_action_is_suspended;
 489   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 490   surf_storage_model->set_priority = storage_action_set_priority;
 491
 492   surf_storage_model->extension.storage.open = storage_action_open;
 493   surf_storage_model->extension.storage.close = storage_action_close;
 494   surf_storage_model->extension.storage.read = storage_action_read;
 495   surf_storage_model->extension.storage.write = storage_action_write;
 496   surf_storage_model->extension.storage.unlink = storage_action_unlink;
 497   surf_storage_model->extension.storage.ls = storage_action_ls;
 498
 499   if (!storage_maxmin_system) {
 500     storage_maxmin_system = lmm_system_new(storage_selective_update);
 501   }
 502
 503 }
 504
 505 void surf_storage_model_init_default(void)
 506 {
 507   surf_storage_model_init_internal();
 508   storage_define_callbacks();
 509
 510   xbt_dynar_push(model_list, &surf_storage_model);
 511 }
 512
 513 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 514 {
 515   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 516                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 517
 518   // Verification of an existing type_id
 519 #ifndef NDEBUG
 520   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 521 #endif
 522   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 523
 524   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 525       storage->id,
 526       storage->type_id,
 527       storage->content);
 528
 529   xbt_lib_set(storage_lib,
 530       storage->id,
 531       ROUTING_STORAGE_LEVEL,
 532       (void *) xbt_strdup(storage->type_id));
 533 }
 534
 535 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
 536 {
 537   *used_size = 0;
 538   if ((!filename) || (strcmp(filename, "") == 0))
 539     return NULL;
 540
 541   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
 542   FILE *file = NULL;
 543
 544   file = surf_fopen(filename, "r");
 545   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 546               xbt_str_join(surf_path, ":"));
 547
 548   char *line = NULL;
 549   size_t len = 0;
 550   ssize_t read;
 551   char path[1024];
 552   unsigned long size;
 553
 554
 555   while ((read = xbt_getline(&line, &len, file)) != -1) {
 556     if (read){
 557     if(sscanf(line,"%s %ld",path, &size)==2) {
 558         *used_size += size;
 559         xbt_dict_set(parse_content,path,(void*) size,NULL);
 560       } else {
 561         xbt_die("Be sure of passing a good format for content file.\n");
 562       }
 563     }
 564   }
 565   free(line);
 566   fclose(file);
 567   return parse_content;
 568 }
 569
 570 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 571 {
 572   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 573                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 574
 575   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 576   stype->model = xbt_strdup(storage_type->model);
 577   stype->properties = storage_type->properties;
 578   stype->content = xbt_strdup(storage_type->content);
 579   stype->type_id = xbt_strdup(storage_type->id);
 580   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
 581
 582   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
 583       stype->type_id,
 584       stype->model,
 585       storage_type->content);
 586
 587   xbt_lib_set(storage_type_lib,
 588       stype->type_id,
 589       ROUTING_STORAGE_TYPE_LEVEL,
 590       (void *) stype);
 591 }
 592 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 593 {
 594   THROW_UNIMPLEMENTED;
 595 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 596 //  mnt->id = xbt_strdup(mstorage->type_id);
 597 //  mnt->name = xbt_strdup(mstorage->name);
 598 //
 599 //  if(!mount_list){
 600 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 601 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 602 //  }
 603 //  xbt_dynar_push(mount_list,(void *) mnt);
 604 //  free(mnt->id);
 605 //  free(mnt->name);
 606 //  xbt_free(mnt);
 607 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 608 }
 609
 610 static void mount_free(void *p)
 611 {
 612   mount_t mnt = p;
 613   xbt_free(mnt->name);
 614 }
 615
 616 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 617 {
 618   // Verification of an existing storage
 619 #ifndef NDEBUG
 620   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 621 #endif
 622   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 623
 624   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 625
 626   s_mount_t mnt;
 627   mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id));
 628   mnt.name = xbt_strdup(mount->name);
 629
 630   if(!mount_list){
 631     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 632     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 633   }
 634   xbt_dynar_push(mount_list,&mnt);
 635 }
 636
 637 static XBT_INLINE void routing_storage_type_free(void *r)
 638 {
 639   storage_type_t stype = r;
 640   free(stype->model);
 641   free(stype->type_id);
 642   free(stype->content);
 643   xbt_dict_free(&(stype->properties));
 644   free(stype);
 645 }
 646
 647 static XBT_INLINE void surf_storage_resource_free(void *r)
 648 {
 649   // specific to storage
 650   storage_t storage = r;
 651   xbt_dict_free(&storage->content);
 652   xbt_dynar_free(&storage->write_actions);
 653   // generic resource
 654   surf_resource_free(r);
 655 }
 656
 657 static XBT_INLINE void routing_storage_host_free(void *r)
 658 {
 659   xbt_dynar_t dyn = r;
 660   xbt_dynar_free(&dyn);
 661 }
 662
 663 void storage_register_callbacks() {
 664
 665   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 666   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 667   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 668   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 669
 670   sg_platf_storage_add_cb(storage_parse_storage);
 671   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 672   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 673   sg_platf_mount_add_cb(storage_parse_mount);
 674 }