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 "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_get_size(void *storage, surf_file_t stream)
  85 {
  86   surf_action_t action = storage_action_execute(storage,0,GET_SIZE);
  87   action->file = stream;
  88   return action;
  89 }
  90
  91 static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
  92 {
  93   surf_action_t action = storage_action_execute(storage,0, UNLINK);
  94
  95   // Add memory to storage
  96   ((storage_t)storage)->used_size -= stream->size;
  97
  98   // Remove the file from storage
  99   xbt_dict_t content_dict = ((storage_t)storage)->content;
 100   xbt_dict_remove(content_dict,stream->name);
 101
 102   free(stream->name);
 103   xbt_free(stream);
 104
 105   return action;
 106 }
 107
 108 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
 109 {
 110   XBT_DEBUG("\tOpen file '%s'",path);
 111   xbt_dict_t content_dict = ((storage_t)storage)->content;
 112   size_t size = (size_t) xbt_dict_get_or_null(content_dict,path);
 113   // if file does not exist create an empty file
 114   if(!size){
 115     xbt_dict_set(content_dict,path,&size,NULL);
 116     XBT_DEBUG("File '%s' was not found, file created.",path);
 117   }
 118   surf_file_t file = xbt_new0(s_surf_file_t,1);
 119   file->name = xbt_strdup(path);
 120   file->size = size;
 121   file->storage = mount;
 122
 123   surf_action_t action = storage_action_execute(storage,0, OPEN);
 124   action->file = (void *)file;
 125   return action;
 126 }
 127
 128 static surf_action_t storage_action_close(void *storage, surf_file_t fd)
 129 {
 130   char *filename = fd->name;
 131   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fd->size);
 132   // unref write actions from storage
 133   surf_action_storage_t write_action;
 134   unsigned int i;
 135   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
 136     if ((write_action->generic_lmm_action.generic_action.file) == fd) {
 137       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
 138       storage_action_unref((surf_action_t) write_action);
 139     }
 140   }
 141
 142   free(fd->name);
 143   xbt_free(fd);
 144   surf_action_t action = storage_action_execute(storage,0, CLOSE);
 145   return action;
 146 }
 147
 148 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
 149 {
 150   if(size > stream->size)
 151     size = stream->size;
 152   surf_action_t action = storage_action_execute(storage,size,READ);
 153   return action;
 154 }
 155
 156 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 157 {
 158   char *filename = stream->name;
 159   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
 160
 161   surf_action_t action = storage_action_execute(storage,size,WRITE);
 162   action->file = stream;
 163
 164   // If the storage is full
 165   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
 166     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 167   }
 168   return action;
 169 }
 170
 171 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
 172 {
 173   surf_action_storage_t action = NULL;
 174   storage_t STORAGE = storage;
 175
 176   XBT_IN("(%s,%f", surf_resource_name(STORAGE), size);
 177   action =
 178       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 179           STORAGE->state_current != SURF_RESOURCE_ON);
 180
 181   // Save the storage on action
 182   action->storage = storage;
 183   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 184                                                    calloc but it seems to help valgrind... */
 185
 186   GENERIC_LMM_ACTION(action).variable =
 187       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 188
 189   // Must be less than the max bandwidth for all actions
 190   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 191              GENERIC_LMM_ACTION(action).variable, 1.0);
 192
 193   switch(type) {
 194   case OPEN:
 195   case CLOSE:
 196   case STAT:
 197   case UNLINK:
 198   case LS:
 199   case GET_SIZE:
 200     break;
 201   case READ:
 202     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 203                GENERIC_LMM_ACTION(action).variable, 1.0);
 204     break;
 205   case WRITE:
 206     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 207                GENERIC_LMM_ACTION(action).variable, 1.0);
 208     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 209     surf_action_ref((surf_action_t) action);
 210     break;
 211   }
 212   action->type = type;
 213   XBT_OUT();
 214   return (surf_action_t) action;
 215 }
 216
 217 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
 218 {
 219   storage_t storage = NULL;
 220
 221   xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
 222               "Storage '%s' declared several times in the platform file",
 223               id);
 224   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 225           surf_storage_model, id,NULL);
 226
 227   storage->state_current = SURF_RESOURCE_ON;
 228   storage->used_size = 0;
 229   storage->size = 0;
 230   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
 231
 232   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 233   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 234   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 235   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
 236   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
 237   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 238   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 239   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 240   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 241   storage->size = storage_type->size;
 242
 243   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 244
 245   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",
 246       id,
 247       model,
 248       type_id,
 249       storage_type->properties,
 250       Bread);
 251
 252   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
 253   xbt_dynar_push(storage_list,&storage);
 254
 255   return storage;
 256 }
 257
 258 static void storage_finalize(void)
 259 {
 260   lmm_system_free(storage_maxmin_system);
 261   storage_maxmin_system = NULL;
 262
 263   surf_model_exit(surf_storage_model);
 264   surf_storage_model = NULL;
 265
 266   xbt_dynar_free(&storage_list);
 267
 268   xbt_swag_free
 269       (storage_running_action_set_that_does_not_need_being_checked);
 270   storage_running_action_set_that_does_not_need_being_checked = NULL;
 271 }
 272
 273 static void storage_update_actions_state(double now, double delta)
 274 {
 275   surf_action_storage_t action = NULL;
 276   surf_action_storage_t next_action = NULL;
 277   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 278
 279   // Update the disk usage
 280   // Update the file size
 281   // For each action of type write
 282   xbt_swag_foreach_safe(action, next_action, running_actions) {
 283     if(action->type == WRITE)
 284     {
 285       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 286       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
 287       ((surf_action_t)action)->file->size += delta * rate; // file size
 288     }
 289   }
 290
 291   xbt_swag_foreach_safe(action, next_action, running_actions) {
 292
 293     double_update(&(GENERIC_ACTION(action).remains),
 294                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 295
 296     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 297       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 298
 299     if(GENERIC_ACTION(action).remains > 0 &&
 300         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 301         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 302     {
 303       GENERIC_ACTION(action).finish = surf_get_clock();
 304       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 305     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 306         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 307     {
 308       GENERIC_ACTION(action).finish = surf_get_clock();
 309       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 310     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 311                (GENERIC_ACTION(action).max_duration <= 0))
 312     {
 313       GENERIC_ACTION(action).finish = surf_get_clock();
 314       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 315     }
 316   }
 317
 318   return;
 319 }
 320
 321 static double storage_share_resources(double NOW)
 322 {
 323   XBT_DEBUG("storage_share_resources %f",NOW);
 324   s_surf_action_storage_t action;
 325   unsigned int i,j;
 326   storage_t storage;
 327   surf_action_storage_t write_action;
 328
 329   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 330       xbt_swag_offset(action, generic_lmm_action.variable),
 331       storage_maxmin_system, lmm_solve);
 332
 333   double rate;
 334   // Foreach disk
 335   xbt_dynar_foreach(storage_list,i,storage)
 336   {
 337     rate = 0;
 338     // Foreach write action on disk
 339     xbt_dynar_foreach(storage->write_actions,j,write_action)
 340     {
 341       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 342     }
 343     if(rate > 0)
 344       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 345   }
 346
 347   return min_completion;
 348 }
 349
 350 static int storage_resource_used(void *resource_id)
 351 {
 352   THROW_UNIMPLEMENTED;
 353   return 0;
 354 }
 355
 356 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 357                                  double value, double time)
 358 {
 359   THROW_UNIMPLEMENTED;
 360 }
 361
 362 static int storage_action_unref(surf_action_t action)
 363 {
 364   action->refcount--;
 365   if (!action->refcount) {
 366     xbt_swag_remove(action, action->state_set);
 367     if (((surf_action_lmm_t) action)->variable)
 368       lmm_variable_free(storage_maxmin_system,
 369                         ((surf_action_lmm_t) action)->variable);
 370 #ifdef HAVE_TRACING
 371     xbt_free(action->category);
 372 #endif
 373     surf_action_free(&action);
 374     return 1;
 375   }
 376   return 0;
 377 }
 378
 379 static void storage_action_cancel(surf_action_t action)
 380 {
 381   surf_action_state_set(action, SURF_ACTION_FAILED);
 382   return;
 383 }
 384
 385 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 386 {
 387   surf_action_state_set(action, state);
 388   return;
 389 }
 390
 391 static void storage_action_suspend(surf_action_t action)
 392 {
 393   XBT_IN("(%p)", action);
 394   if (((surf_action_lmm_t) action)->suspended != 2) {
 395     lmm_update_variable_weight(storage_maxmin_system,
 396                                ((surf_action_lmm_t) action)->variable,
 397                                0.0);
 398     ((surf_action_lmm_t) action)->suspended = 1;
 399   }
 400   XBT_OUT();
 401 }
 402
 403 static void storage_action_resume(surf_action_t action)
 404 {
 405   THROW_UNIMPLEMENTED;
 406 }
 407
 408 static int storage_action_is_suspended(surf_action_t action)
 409 {
 410   return (((surf_action_lmm_t) action)->suspended == 1);
 411 }
 412
 413 static void storage_action_set_max_duration(surf_action_t action, double duration)
 414 {
 415   THROW_UNIMPLEMENTED;
 416 }
 417
 418 static void storage_action_set_priority(surf_action_t action, double priority)
 419 {
 420   THROW_UNIMPLEMENTED;
 421 }
 422
 423 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 424 {
 425   void* stype = xbt_lib_get_or_null(storage_type_lib,
 426                                     storage->type_id,
 427                                     ROUTING_STORAGE_TYPE_LEVEL);
 428   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 429
 430   // if storage content is not specified use the content of storage_type if exist
 431   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 432     storage->content = ((storage_type_t) stype)->content;
 433     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
 434   }
 435
 436   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",
 437       storage->id,
 438       ((storage_type_t) stype)->model,
 439       ((storage_type_t) stype)->type_id,
 440       storage->content,
 441       ((storage_type_t) stype)->properties);
 442
 443   storage_create_resource(storage->id,
 444      ((storage_type_t) stype)->model,
 445      ((storage_type_t) stype)->type_id,
 446      storage->content);
 447 }
 448
 449 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 450 {
 451   XBT_DEBUG("parse_mstorage_init");
 452 }
 453
 454 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 455 {
 456   XBT_DEBUG("parse_storage_type_init");
 457 }
 458
 459 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 460 {
 461   XBT_DEBUG("parse_mount_init");
 462 }
 463
 464 static void storage_define_callbacks()
 465 {
 466   sg_platf_storage_add_cb(parse_storage_init);
 467   sg_platf_storage_type_add_cb(parse_storage_type_init);
 468   sg_platf_mstorage_add_cb(parse_mstorage_init);
 469   sg_platf_mount_add_cb(parse_mount_init);
 470 }
 471
 472 static void surf_storage_model_init_internal(void)
 473 {
 474   s_surf_action_t action;
 475
 476   XBT_DEBUG("surf_storage_model_init_internal");
 477   surf_storage_model = surf_model_init();
 478
 479   storage_running_action_set_that_does_not_need_being_checked =
 480       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 481
 482   surf_storage_model->name = "Storage";
 483   surf_storage_model->action_unref = storage_action_unref;
 484   surf_storage_model->action_cancel = storage_action_cancel;
 485   surf_storage_model->action_state_set = storage_action_state_set;
 486
 487   surf_storage_model->model_private->finalize = storage_finalize;
 488   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 489   surf_storage_model->model_private->share_resources = storage_share_resources;
 490   surf_storage_model->model_private->resource_used = storage_resource_used;
 491   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 492
 493   surf_storage_model->suspend = storage_action_suspend;
 494   surf_storage_model->resume = storage_action_resume;
 495   surf_storage_model->is_suspended = storage_action_is_suspended;
 496   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 497   surf_storage_model->set_priority = storage_action_set_priority;
 498
 499   surf_storage_model->extension.storage.open = storage_action_open;
 500   surf_storage_model->extension.storage.close = storage_action_close;
 501   surf_storage_model->extension.storage.read = storage_action_read;
 502   surf_storage_model->extension.storage.write = storage_action_write;
 503   surf_storage_model->extension.storage.unlink = storage_action_unlink;
 504   surf_storage_model->extension.storage.ls = storage_action_ls;
 505   surf_storage_model->extension.storage.get_size = storage_action_get_size;
 506
 507   if (!storage_maxmin_system) {
 508     storage_maxmin_system = lmm_system_new(storage_selective_update);
 509   }
 510
 511 }
 512
 513 void surf_storage_model_init_default(void)
 514 {
 515   surf_storage_model_init_internal();
 516   storage_define_callbacks();
 517
 518   xbt_dynar_push(model_list, &surf_storage_model);
 519 }
 520
 521 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 522 {
 523   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 524                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 525
 526   // Verification of an existing type_id
 527 #ifndef NDEBUG
 528   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 529 #endif
 530   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 531
 532   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 533       storage->id,
 534       storage->type_id,
 535       storage->content);
 536
 537   xbt_lib_set(storage_lib,
 538       storage->id,
 539       ROUTING_STORAGE_LEVEL,
 540       (void *) xbt_strdup(storage->type_id));
 541 }
 542
 543 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
 544 {
 545   *used_size = 0;
 546   if ((!filename) || (strcmp(filename, "") == 0))
 547     return NULL;
 548
 549   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
 550   FILE *file = NULL;
 551
 552   file = surf_fopen(filename, "r");
 553   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 554               xbt_str_join(surf_path, ":"));
 555
 556   char *line = NULL;
 557   size_t len = 0;
 558   ssize_t read;
 559   char path[1024];
 560   unsigned long size;
 561
 562
 563   while ((read = xbt_getline(&line, &len, file)) != -1) {
 564     if (read){
 565     if(sscanf(line,"%s %ld",path, &size)==2) {
 566         *used_size += size;
 567         xbt_dict_set(parse_content,path,(void*) size,NULL);
 568       } else {
 569         xbt_die("Be sure of passing a good format for content file.\n");
 570       }
 571     }
 572   }
 573   free(line);
 574   fclose(file);
 575   return parse_content;
 576 }
 577
 578 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 579 {
 580   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 581                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 582
 583   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 584   stype->model = xbt_strdup(storage_type->model);
 585   stype->properties = storage_type->properties;
 586   stype->content = xbt_strdup(storage_type->content);
 587   stype->type_id = xbt_strdup(storage_type->id);
 588   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
 589
 590   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
 591       stype->type_id,
 592       stype->model,
 593       storage_type->content);
 594
 595   xbt_lib_set(storage_type_lib,
 596       stype->type_id,
 597       ROUTING_STORAGE_TYPE_LEVEL,
 598       (void *) stype);
 599 }
 600 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 601 {
 602   THROW_UNIMPLEMENTED;
 603 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 604 //  mnt->id = xbt_strdup(mstorage->type_id);
 605 //  mnt->name = xbt_strdup(mstorage->name);
 606 //
 607 //  if(!mount_list){
 608 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 609 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 610 //  }
 611 //  xbt_dynar_push(mount_list,(void *) mnt);
 612 //  free(mnt->id);
 613 //  free(mnt->name);
 614 //  xbt_free(mnt);
 615 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 616 }
 617
 618 static void mount_free(void *p)
 619 {
 620   mount_t mnt = p;
 621   xbt_free(mnt->name);
 622 }
 623
 624 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 625 {
 626   // Verification of an existing storage
 627 #ifndef NDEBUG
 628   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 629 #endif
 630   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 631
 632   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 633
 634   s_mount_t mnt;
 635   mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id));
 636   mnt.name = xbt_strdup(mount->name);
 637
 638   if(!mount_list){
 639     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 640     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 641   }
 642   xbt_dynar_push(mount_list,&mnt);
 643 }
 644
 645 static XBT_INLINE void routing_storage_type_free(void *r)
 646 {
 647   storage_type_t stype = r;
 648   free(stype->model);
 649   free(stype->type_id);
 650   free(stype->content);
 651   xbt_dict_free(&(stype->properties));
 652   free(stype);
 653 }
 654
 655 static XBT_INLINE void surf_storage_resource_free(void *r)
 656 {
 657   // specific to storage
 658   storage_t storage = r;
 659   xbt_dict_free(&storage->content);
 660   xbt_dynar_free(&storage->write_actions);
 661   // generic resource
 662   surf_resource_free(r);
 663 }
 664
 665 static XBT_INLINE void routing_storage_host_free(void *r)
 666 {
 667   xbt_dynar_t dyn = r;
 668   xbt_dynar_free(&dyn);
 669 }
 670
 671 void storage_register_callbacks() {
 672
 673   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 674   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 675   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 676   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 677
 678   sg_platf_storage_add_cb(storage_parse_storage);
 679   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 680   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 681   sg_platf_mount_add_cb(storage_parse_mount);
 682 }