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