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