src/surf/storage.c

   1 /* Copyright (c) 2004 - 2013. 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 "portable.h"
  10 #include "surf_private.h"
  11 #include "storage_private.h"
  12 #include "surf/surf_resource.h"
  13
  14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
  15                                 "Logging specific to the SURF storage module");
  16
  17 xbt_lib_t storage_lib;
  18 int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
  19 int ROUTING_STORAGE_HOST_LEVEL;
  20 int SURF_STORAGE_LEVEL;
  21 xbt_lib_t storage_type_lib;
  22 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
  23
  24 xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
  25
  26 surf_model_t surf_storage_model = NULL;
  27 lmm_system_t storage_maxmin_system = NULL;
  28 static int storage_selective_update = 0;
  29 static xbt_swag_t
  30     storage_running_action_set_that_does_not_need_being_checked = NULL;
  31
  32 static xbt_dynar_t storage_list;
  33
  34 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  35 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  36
  37 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
  38 static int storage_action_unref(surf_action_t action);
  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, double size, e_surf_action_storage_type_t type);
  41
  42 static surf_action_t storage_action_ls(void *storage, const char* path)
  43 {
  44   surf_action_t action = storage_action_execute(storage,0, LS);
  45   action->ls_dict = NULL;
  46   xbt_dict_t ls_dict = xbt_dict_new();
  47
  48   char* key;
  49   unsigned long size = 0;
  50   xbt_dict_cursor_t cursor = NULL;
  51
  52   xbt_dynar_t dyn = NULL;
  53   char* file = NULL;
  54
  55   // for each file in the storage content
  56   xbt_dict_foreach(((storage_t)storage)->content,cursor,key,size){
  57     // Search if file start with the prefix 'path'
  58     if(xbt_str_start_with(key,path)){
  59       file = &key[strlen(path)];
  60
  61       // Split file with '/'
  62       dyn = xbt_str_split(file,"/");
  63       file = xbt_dynar_get_as(dyn,0,char*);
  64
  65       // file
  66       if(xbt_dynar_length(dyn) == 1){
  67         xbt_dict_set(ls_dict,file,&size,NULL);
  68       }
  69       // Directory
  70       else
  71       {
  72         // if directory does not exist yet in the dictionary
  73         if(!xbt_dict_get_or_null(ls_dict,file))
  74           xbt_dict_set(ls_dict,file,NULL,NULL);
  75       }
  76       xbt_dynar_free(&dyn);
  77     }
  78   }
  79
  80   action->ls_dict = ls_dict;
  81   return action;
  82 }
  83
  84 static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
  85 {
  86   surf_action_t action = storage_action_execute(storage,0, UNLINK);
  87
  88   // Add memory to storage
  89   ((storage_t)storage)->used_size -= stream->size;
  90
  91   // Remove the file from storage
  92   xbt_dict_t content_dict = ((storage_t)storage)->content;
  93   xbt_dict_remove(content_dict,stream->name);
  94
  95   free(stream->name);
  96   xbt_free(stream);
  97
  98   return action;
  99 }
 100
 101 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
 102 {
 103   XBT_DEBUG("\tOpen file '%s'",path);
 104   xbt_dict_t content_dict = ((storage_t)storage)->content;
 105   size_t size = (size_t) xbt_dict_get_or_null(content_dict,path);
 106   // if file does not exist create an empty file
 107   if(!size){
 108     xbt_dict_set(content_dict,path,&size,NULL);
 109     XBT_DEBUG("File '%s' was not found, file created.",path);
 110   }
 111   surf_file_t file = xbt_new0(s_surf_file_t,1);
 112   file->name = xbt_strdup(path);
 113   file->size = size;
 114   file->storage = mount;
 115
 116   surf_action_t action = storage_action_execute(storage,0, OPEN);
 117   action->file = (void *)file;
 118   return action;
 119 }
 120
 121 static surf_action_t storage_action_close(void *storage, surf_file_t fd)
 122 {
 123   char *filename = fd->name;
 124   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fd->size);
 125   // unref write actions from storage
 126   surf_action_storage_t write_action;
 127   unsigned int i;
 128   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
 129     if ((write_action->generic_lmm_action.generic_action.file) == fd) {
 130       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
 131       storage_action_unref((surf_action_t) write_action);
 132     }
 133   }
 134
 135   free(fd->name);
 136   xbt_free(fd);
 137   surf_action_t action = storage_action_execute(storage,0, CLOSE);
 138   return action;
 139 }
 140
 141 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
 142 {
 143   if(size > stream->size)
 144     size = stream->size;
 145   surf_action_t action = storage_action_execute(storage,size,READ);
 146   return action;
 147 }
 148
 149 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 150 {
 151   char *filename = stream->name;
 152   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
 153
 154   surf_action_t action = storage_action_execute(storage,size,WRITE);
 155   action->file = stream;
 156
 157   // If the storage is full
 158   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
 159     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 160   }
 161   return action;
 162 }
 163
 164 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
 165 {
 166   surf_action_storage_t action = NULL;
 167   storage_t STORAGE = storage;
 168
 169   XBT_IN("(%s,%f", surf_resource_name(STORAGE), size);
 170   action =
 171       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 172           STORAGE->state_current != SURF_RESOURCE_ON);
 173
 174   // Save the storage on action
 175   action->storage = storage;
 176   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 177                                                    calloc but it seems to help valgrind... */
 178
 179   GENERIC_LMM_ACTION(action).variable =
 180       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 181
 182   // Must be less than the max bandwidth for all actions
 183   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 184              GENERIC_LMM_ACTION(action).variable, 1.0);
 185
 186   switch(type) {
 187   case OPEN:
 188   case CLOSE:
 189   case STAT:
 190   case UNLINK:
 191   case LS:
 192     break;
 193   case READ:
 194     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 195                GENERIC_LMM_ACTION(action).variable, 1.0);
 196     break;
 197   case WRITE:
 198     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 199                GENERIC_LMM_ACTION(action).variable, 1.0);
 200     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 201     surf_action_ref((surf_action_t) action);
 202     break;
 203   }
 204   action->type = type;
 205   XBT_OUT();
 206   return (surf_action_t) action;
 207 }
 208
 209 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
 210 {
 211   storage_t storage = NULL;
 212
 213   xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
 214               "Storage '%s' declared several times in the platform file",
 215               id);
 216   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 217           surf_storage_model, id,NULL);
 218
 219   storage->state_current = SURF_RESOURCE_ON;
 220   storage->used_size = 0;
 221   storage->size = 0;
 222   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
 223
 224   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 225   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 226   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 227   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
 228   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
 229   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 230   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 231   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 232   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 233   storage->size = storage_type->size;
 234
 235   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 236
 237   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",
 238       id,
 239       model,
 240       type_id,
 241       storage_type->properties,
 242       Bread);
 243
 244   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
 245   xbt_dynar_push(storage_list,&storage);
 246
 247   return storage;
 248 }
 249
 250 static void storage_finalize(void)
 251 {
 252   lmm_system_free(storage_maxmin_system);
 253   storage_maxmin_system = NULL;
 254
 255   surf_model_exit(surf_storage_model);
 256   surf_storage_model = NULL;
 257
 258   xbt_dynar_free(&storage_list);
 259
 260   xbt_swag_free
 261       (storage_running_action_set_that_does_not_need_being_checked);
 262   storage_running_action_set_that_does_not_need_being_checked = NULL;
 263 }
 264
 265 static void storage_update_actions_state(double now, double delta)
 266 {
 267   surf_action_storage_t action = NULL;
 268   surf_action_storage_t next_action = NULL;
 269   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 270
 271   // Update the disk usage
 272   // Update the file size
 273   // For each action of type write
 274   xbt_swag_foreach_safe(action, next_action, running_actions) {
 275     if(action->type == WRITE)
 276     {
 277       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 278       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
 279       ((surf_action_t)action)->file->size += delta * rate; // file size
 280     }
 281   }
 282
 283   xbt_swag_foreach_safe(action, next_action, running_actions) {
 284
 285     double_update(&(GENERIC_ACTION(action).remains),
 286                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 287
 288     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 289       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 290
 291     if(GENERIC_ACTION(action).remains > 0 &&
 292         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 293         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 294     {
 295       GENERIC_ACTION(action).finish = surf_get_clock();
 296       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 297     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 298         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 299     {
 300       GENERIC_ACTION(action).finish = surf_get_clock();
 301       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 302     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 303                (GENERIC_ACTION(action).max_duration <= 0))
 304     {
 305       GENERIC_ACTION(action).finish = surf_get_clock();
 306       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 307     }
 308   }
 309
 310   return;
 311 }
 312
 313 static double storage_share_resources(double NOW)
 314 {
 315   XBT_DEBUG("storage_share_resources %f",NOW);
 316   s_surf_action_storage_t action;
 317   unsigned int i,j;
 318   storage_t storage;
 319   surf_action_storage_t write_action;
 320
 321   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 322       xbt_swag_offset(action, generic_lmm_action.variable),
 323       storage_maxmin_system, lmm_solve);
 324
 325   double rate;
 326   // Foreach disk
 327   xbt_dynar_foreach(storage_list,i,storage)
 328   {
 329     rate = 0;
 330     // Foreach write action on disk
 331     xbt_dynar_foreach(storage->write_actions,j,write_action)
 332     {
 333       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 334     }
 335     if(rate > 0)
 336       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 337   }
 338
 339   return min_completion;
 340 }
 341
 342 static int storage_resource_used(void *resource_id)
 343 {
 344   THROW_UNIMPLEMENTED;
 345   return 0;
 346 }
 347
 348 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 349                                  double value, double time)
 350 {
 351   THROW_UNIMPLEMENTED;
 352 }
 353
 354 static int storage_action_unref(surf_action_t action)
 355 {
 356   action->refcount--;
 357   if (!action->refcount) {
 358     xbt_swag_remove(action, action->state_set);
 359     if (((surf_action_lmm_t) action)->variable)
 360       lmm_variable_free(storage_maxmin_system,
 361                         ((surf_action_lmm_t) action)->variable);
 362 #ifdef HAVE_TRACING
 363     xbt_free(action->category);
 364 #endif
 365     surf_action_free(&action);
 366     return 1;
 367   }
 368   return 0;
 369 }
 370
 371 static void storage_action_cancel(surf_action_t action)
 372 {
 373   surf_action_state_set(action, SURF_ACTION_FAILED);
 374   return;
 375 }
 376
 377 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 378 {
 379   surf_action_state_set(action, state);
 380   return;
 381 }
 382
 383 static void storage_action_suspend(surf_action_t action)
 384 {
 385   XBT_IN("(%p)", action);
 386   if (((surf_action_lmm_t) action)->suspended != 2) {
 387     lmm_update_variable_weight(storage_maxmin_system,
 388                                ((surf_action_lmm_t) action)->variable,
 389                                0.0);
 390     ((surf_action_lmm_t) action)->suspended = 1;
 391   }
 392   XBT_OUT();
 393 }
 394
 395 static void storage_action_resume(surf_action_t action)
 396 {
 397   THROW_UNIMPLEMENTED;
 398 }
 399
 400 static int storage_action_is_suspended(surf_action_t action)
 401 {
 402   return (((surf_action_lmm_t) action)->suspended == 1);
 403 }
 404
 405 static void storage_action_set_max_duration(surf_action_t action, double duration)
 406 {
 407   THROW_UNIMPLEMENTED;
 408 }
 409
 410 static void storage_action_set_priority(surf_action_t action, double priority)
 411 {
 412   THROW_UNIMPLEMENTED;
 413 }
 414
 415 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 416 {
 417   void* stype = xbt_lib_get_or_null(storage_type_lib,
 418                                     storage->type_id,
 419                                     ROUTING_STORAGE_TYPE_LEVEL);
 420   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 421
 422   // if storage content is not specified use the content of storage_type if exist
 423   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 424     storage->content = ((storage_type_t) stype)->content;
 425     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
 426   }
 427
 428   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",
 429       storage->id,
 430       ((storage_type_t) stype)->model,
 431       ((storage_type_t) stype)->type_id,
 432       storage->content,
 433       ((storage_type_t) stype)->properties);
 434
 435   storage_create_resource(storage->id,
 436      ((storage_type_t) stype)->model,
 437      ((storage_type_t) stype)->type_id,
 438      storage->content);
 439 }
 440
 441 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 442 {
 443   XBT_DEBUG("parse_mstorage_init");
 444 }
 445
 446 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 447 {
 448   XBT_DEBUG("parse_storage_type_init");
 449 }
 450
 451 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 452 {
 453   XBT_DEBUG("parse_mount_init");
 454 }
 455
 456 static void storage_define_callbacks()
 457 {
 458   sg_platf_storage_add_cb(parse_storage_init);
 459   sg_platf_storage_type_add_cb(parse_storage_type_init);
 460   sg_platf_mstorage_add_cb(parse_mstorage_init);
 461   sg_platf_mount_add_cb(parse_mount_init);
 462 }
 463
 464 static void surf_storage_model_init_internal(void)
 465 {
 466   s_surf_action_t action;
 467
 468   XBT_DEBUG("surf_storage_model_init_internal");
 469   surf_storage_model = surf_model_init();
 470
 471   storage_running_action_set_that_does_not_need_being_checked =
 472       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 473
 474   surf_storage_model->name = "Storage";
 475   surf_storage_model->action_unref = storage_action_unref;
 476   surf_storage_model->action_cancel = storage_action_cancel;
 477   surf_storage_model->action_state_set = storage_action_state_set;
 478
 479   surf_storage_model->model_private->finalize = storage_finalize;
 480   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 481   surf_storage_model->model_private->share_resources = storage_share_resources;
 482   surf_storage_model->model_private->resource_used = storage_resource_used;
 483   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 484
 485   surf_storage_model->suspend = storage_action_suspend;
 486   surf_storage_model->resume = storage_action_resume;
 487   surf_storage_model->is_suspended = storage_action_is_suspended;
 488   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 489   surf_storage_model->set_priority = storage_action_set_priority;
 490
 491   surf_storage_model->extension.storage.open = storage_action_open;
 492   surf_storage_model->extension.storage.close = storage_action_close;
 493   surf_storage_model->extension.storage.read = storage_action_read;
 494   surf_storage_model->extension.storage.write = storage_action_write;
 495   surf_storage_model->extension.storage.unlink = storage_action_unlink;
 496   surf_storage_model->extension.storage.ls = storage_action_ls;
 497
 498   if (!storage_maxmin_system) {
 499     storage_maxmin_system = lmm_system_new(storage_selective_update);
 500   }
 501
 502 }
 503
 504 void surf_storage_model_init_default(void)
 505 {
 506   surf_storage_model_init_internal();
 507   storage_define_callbacks();
 508
 509   xbt_dynar_push(model_list, &surf_storage_model);
 510 }
 511
 512 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 513 {
 514   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 515                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 516
 517   // Verification of an existing type_id
 518 #ifndef NDEBUG
 519   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 520 #endif
 521   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 522
 523   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 524       storage->id,
 525       storage->type_id,
 526       storage->content);
 527
 528   xbt_lib_set(storage_lib,
 529       storage->id,
 530       ROUTING_STORAGE_LEVEL,
 531       (void *) xbt_strdup(storage->type_id));
 532 }
 533
 534 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
 535 {
 536   *used_size = 0;
 537   if ((!filename) || (strcmp(filename, "") == 0))
 538     return NULL;
 539
 540   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
 541   FILE *file = NULL;
 542
 543   file = surf_fopen(filename, "r");
 544   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 545               xbt_str_join(surf_path, ":"));
 546
 547   char *line = NULL;
 548   size_t len = 0;
 549   ssize_t read;
 550   char path[1024];
 551   unsigned long size;
 552
 553
 554   while ((read = xbt_getline(&line, &len, file)) != -1) {
 555     if (read){
 556     if(sscanf(line,"%s %ld",path, &size)==2) {
 557         *used_size += size;
 558         xbt_dict_set(parse_content,path,(void*) size,NULL);
 559       } else {
 560         xbt_die("Be sure of passing a good format for content file.\n");
 561       }
 562     }
 563   }
 564   free(line);
 565   fclose(file);
 566   return parse_content;
 567 }
 568
 569 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 570 {
 571   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 572                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 573
 574   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 575   stype->model = xbt_strdup(storage_type->model);
 576   stype->properties = storage_type->properties;
 577   stype->content = xbt_strdup(storage_type->content);
 578   stype->type_id = xbt_strdup(storage_type->id);
 579   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
 580
 581   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
 582       stype->type_id,
 583       stype->model,
 584       storage_type->content);
 585
 586   xbt_lib_set(storage_type_lib,
 587       stype->type_id,
 588       ROUTING_STORAGE_TYPE_LEVEL,
 589       (void *) stype);
 590 }
 591 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 592 {
 593   THROW_UNIMPLEMENTED;
 594 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 595 //  mnt->id = xbt_strdup(mstorage->type_id);
 596 //  mnt->name = xbt_strdup(mstorage->name);
 597 //
 598 //  if(!mount_list){
 599 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 600 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 601 //  }
 602 //  xbt_dynar_push(mount_list,(void *) mnt);
 603 //  free(mnt->id);
 604 //  free(mnt->name);
 605 //  xbt_free(mnt);
 606 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 607 }
 608
 609 static void mount_free(void *p)
 610 {
 611   mount_t mnt = p;
 612   xbt_free(mnt->name);
 613 }
 614
 615 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 616 {
 617   // Verification of an existing storage
 618 #ifndef NDEBUG
 619   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 620 #endif
 621   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 622
 623   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 624
 625   s_mount_t mnt;
 626   mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id));
 627   mnt.name = xbt_strdup(mount->name);
 628
 629   if(!mount_list){
 630     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 631     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 632   }
 633   xbt_dynar_push(mount_list,&mnt);
 634 }
 635
 636 static XBT_INLINE void routing_storage_type_free(void *r)
 637 {
 638   storage_type_t stype = r;
 639   free(stype->model);
 640   free(stype->type_id);
 641   free(stype->content);
 642   xbt_dict_free(&(stype->properties));
 643   free(stype);
 644 }
 645
 646 static XBT_INLINE void surf_storage_resource_free(void *r)
 647 {
 648   // specific to storage
 649   storage_t storage = r;
 650   xbt_dict_free(&storage->content);
 651   xbt_dynar_free(&storage->write_actions);
 652   // generic resource
 653   surf_resource_free(r);
 654 }
 655
 656 static XBT_INLINE void routing_storage_host_free(void *r)
 657 {
 658   xbt_dynar_t dyn = r;
 659   xbt_dynar_free(&dyn);
 660 }
 661
 662 void storage_register_callbacks() {
 663
 664   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 665   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 666   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 667   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 668
 669   sg_platf_storage_add_cb(storage_parse_storage);
 670   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 671   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 672   sg_platf_mount_add_cb(storage_parse_mount);
 673 }