src/surf/storage.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team.
   2  * All rights reserved.                                                                 */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package.             */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "xbt/file_stat.h"
  10 #include "portable.h"
  11 #include "surf_private.h"
  12 #include "storage_private.h"
  13 #include "surf/surf_resource.h"
  14
  15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
  16                                 "Logging specific to the SURF storage module");
  17
  18 xbt_lib_t storage_lib;
  19 int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
  20 int ROUTING_STORAGE_HOST_LEVEL;
  21 int SURF_STORAGE_LEVEL;
  22 xbt_lib_t storage_type_lib;
  23 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
  24
  25 xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
  26
  27 surf_model_t surf_storage_model = NULL;
  28 lmm_system_t storage_maxmin_system = NULL;
  29 static int storage_selective_update = 0;
  30 static xbt_swag_t
  31     storage_running_action_set_that_does_not_need_being_checked = NULL;
  32
  33 static xbt_dynar_t storage_list;
  34
  35 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  36 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  37
  38 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
  39 static 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, size_t size, e_surf_action_storage_type_t type);
  41
  42 static surf_action_t storage_action_stat(void *storage, surf_file_t stream)
  43 {
  44   surf_action_t action = storage_action_execute(storage,0, STAT);
  45   action->file = stream;
  46   action->stat = stream->content->stat;
  47   return action;
  48 }
  49
  50 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
  51 {
  52   XBT_DEBUG("\tOpen file '%s'",path);
  53   xbt_dict_t content_dict = ((storage_t)storage)->content;
  54   surf_stat_t content = xbt_dict_get(content_dict,path);
  55
  56   surf_file_t file = xbt_new0(s_surf_file_t,1);
  57   file->name = xbt_strdup(path);
  58   file->content = content;
  59   file->storage = mount;
  60
  61   surf_action_t action = storage_action_execute(storage,0, OPEN);
  62   action->file = (void *)file;
  63   return action;
  64 }
  65
  66 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
  67 {
  68   char *filename = fp->name;
  69   XBT_DEBUG("\tClose file '%s' size '%f'",filename,fp->content->stat.size);
  70   free(fp->name);
  71   fp->content = NULL;
  72   xbt_free(fp);
  73   surf_action_t action = storage_action_execute(storage,0, CLOSE);
  74   return action;
  75 }
  76
  77 static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  78 {
  79   char *filename = stream->name;
  80   surf_stat_t content = stream->content;
  81   XBT_DEBUG("\tRead file '%s' size '%f/%zu'",filename,content->stat.size,size);
  82   if(size > content->stat.size)
  83     size = content->stat.size;
  84   surf_action_t action = storage_action_execute(storage,size,READ);
  85   return action;
  86 }
  87
  88 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  89 {
  90   char *filename = stream->name;
  91   surf_stat_t content = stream->content;
  92   XBT_DEBUG("\tWrite file '%s' size '%zu/%f'",filename,size,content->stat.size);
  93
  94   surf_action_t action = storage_action_execute(storage,size,WRITE);
  95   action->file = stream;
  96
  97   // If the storage is full
  98   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
  99     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 100   }
 101   return action;
 102 }
 103
 104 static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type)
 105 {
 106   surf_action_storage_t action = NULL;
 107   storage_t STORAGE = storage;
 108
 109   XBT_IN("(%s,%zu)", surf_resource_name(STORAGE), size);
 110   action =
 111       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 112           STORAGE->state_current != SURF_RESOURCE_ON);
 113
 114   // Save the storage on action
 115   action->storage = storage;
 116   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 117                                                    calloc but it seems to help valgrind... */
 118
 119   GENERIC_LMM_ACTION(action).variable =
 120       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 121
 122   // Must be less than the max bandwidth for all actions
 123   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 124              GENERIC_LMM_ACTION(action).variable, 1.0);
 125
 126   switch(type) {
 127   case OPEN:
 128   case CLOSE:
 129   case STAT:
 130     break;
 131   case READ:
 132     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 133                GENERIC_LMM_ACTION(action).variable, 1.0);
 134     break;
 135   case WRITE:
 136     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 137                GENERIC_LMM_ACTION(action).variable, 1.0);
 138     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 139
 140     break;
 141   }
 142   action->type = type;
 143   XBT_OUT();
 144   return (surf_action_t) action;
 145 }
 146
 147 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
 148 {
 149   storage_t storage = NULL;
 150
 151   xbt_assert(!surf_storage_resource_by_name(id),
 152               "Storage '%s' declared several times in the platform file",
 153               id);
 154   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 155           surf_storage_model, id,NULL);
 156
 157   storage->state_current = SURF_RESOURCE_ON;
 158   storage->used_size = 0;
 159   storage->size = 0;
 160   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
 161
 162   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 163   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 164   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 165   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
 166   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
 167   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 168   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 169   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 170   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 171   storage->size = storage_type->size;
 172
 173   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 174
 175   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",
 176       id,
 177       model,
 178       type_id,
 179       storage_type->properties,
 180       Bread);
 181
 182   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),free);
 183   xbt_dynar_push(storage_list,&storage);
 184
 185   return storage;
 186 }
 187
 188 static void storage_finalize(void)
 189 {
 190   lmm_system_free(storage_maxmin_system);
 191   storage_maxmin_system = NULL;
 192
 193   surf_model_exit(surf_storage_model);
 194   surf_storage_model = NULL;
 195
 196   xbt_swag_free
 197       (storage_running_action_set_that_does_not_need_being_checked);
 198   storage_running_action_set_that_does_not_need_being_checked = NULL;
 199 }
 200
 201 static void storage_update_actions_state(double now, double delta)
 202 {
 203   surf_action_storage_t action = NULL;
 204   surf_action_storage_t next_action = NULL;
 205   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 206
 207   // Update the disk usage
 208   // Update the file size
 209   // Foreach action of type write
 210   xbt_swag_foreach_safe(action, next_action, running_actions) {
 211     if(action->type == WRITE)
 212     {
 213       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 214       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
 215       ((surf_action_t)action)->file->content->stat.size += delta * rate; // file size
 216     }
 217   }
 218
 219   xbt_swag_foreach_safe(action, next_action, running_actions) {
 220
 221     double_update(&(GENERIC_ACTION(action).remains),
 222                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 223
 224     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 225       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 226
 227     if(GENERIC_ACTION(action).remains > 0 &&
 228         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 229         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 230     {
 231       GENERIC_ACTION(action).finish = surf_get_clock();
 232       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 233     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 234         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 235     {
 236       GENERIC_ACTION(action).finish = surf_get_clock();
 237       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 238     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 239                (GENERIC_ACTION(action).max_duration <= 0))
 240     {
 241       GENERIC_ACTION(action).finish = surf_get_clock();
 242       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 243     }
 244   }
 245
 246   return;
 247 }
 248
 249 static double storage_share_resources(double NOW)
 250 {
 251   XBT_DEBUG("storage_share_resources %f",NOW);
 252   s_surf_action_storage_t action;
 253   unsigned int i,j;
 254   storage_t storage;
 255   surf_action_storage_t write_action;
 256
 257   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 258       xbt_swag_offset(action, generic_lmm_action.variable),
 259       storage_maxmin_system, lmm_solve);
 260
 261   double rate;
 262   // Foreach disk
 263   xbt_dynar_foreach(storage_list,i,storage)
 264   {
 265     rate = 0;
 266     // Foreach write action on disk
 267     xbt_dynar_foreach(storage->write_actions,j,write_action)
 268     {
 269       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 270     }
 271     if(rate > 0)
 272       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 273   }
 274
 275   return min_completion;
 276 }
 277
 278 static int storage_resource_used(void *resource_id)
 279 {
 280   THROW_UNIMPLEMENTED;
 281   return 0;
 282 }
 283
 284 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 285                                  double value, double time)
 286 {
 287   THROW_UNIMPLEMENTED;
 288 }
 289
 290 static int storage_action_unref(surf_action_t action)
 291 {
 292   action->refcount--;
 293   if (!action->refcount) {
 294     xbt_swag_remove(action, action->state_set);
 295     if (((surf_action_lmm_t) action)->variable)
 296       lmm_variable_free(storage_maxmin_system,
 297                         ((surf_action_lmm_t) action)->variable);
 298 #ifdef HAVE_TRACING
 299     xbt_free(action->category);
 300 #endif
 301     surf_action_free(&action);
 302     return 1;
 303   }
 304   return 0;
 305 }
 306
 307 static void storage_action_cancel(surf_action_t action)
 308 {
 309   surf_action_state_set(action, SURF_ACTION_FAILED);
 310   return;
 311 }
 312
 313 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 314 {
 315   surf_action_state_set(action, state);
 316   return;
 317 }
 318
 319 static void storage_action_suspend(surf_action_t action)
 320 {
 321   XBT_IN("(%p)", action);
 322   if (((surf_action_lmm_t) action)->suspended != 2) {
 323     lmm_update_variable_weight(storage_maxmin_system,
 324                                ((surf_action_lmm_t) action)->variable,
 325                                0.0);
 326     ((surf_action_lmm_t) action)->suspended = 1;
 327   }
 328   XBT_OUT();
 329 }
 330
 331 static void storage_action_resume(surf_action_t action)
 332 {
 333   THROW_UNIMPLEMENTED;
 334 }
 335
 336 static int storage_action_is_suspended(surf_action_t action)
 337 {
 338   return (((surf_action_lmm_t) action)->suspended == 1);
 339 }
 340
 341 static void storage_action_set_max_duration(surf_action_t action, double duration)
 342 {
 343   THROW_UNIMPLEMENTED;
 344 }
 345
 346 static void storage_action_set_priority(surf_action_t action, double priority)
 347 {
 348   THROW_UNIMPLEMENTED;
 349 }
 350
 351 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 352 {
 353   void* stype = xbt_lib_get_or_null(storage_type_lib,
 354                                     storage->type_id,
 355                                     ROUTING_STORAGE_TYPE_LEVEL);
 356   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 357
 358   // if storage content is not specified use the content of storage_type if exist
 359   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 360     storage->content = ((storage_type_t) stype)->content;
 361     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
 362   }
 363
 364   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",
 365       storage->id,
 366       ((storage_type_t) stype)->model,
 367       ((storage_type_t) stype)->type_id,
 368       storage->content,
 369       ((storage_type_t) stype)->properties);
 370
 371   storage_create_resource(storage->id,
 372      ((storage_type_t) stype)->model,
 373      ((storage_type_t) stype)->type_id,
 374      storage->content);
 375 }
 376
 377 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 378 {
 379   XBT_DEBUG("parse_mstorage_init");
 380 }
 381
 382 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 383 {
 384   XBT_DEBUG("parse_storage_type_init");
 385 }
 386
 387 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 388 {
 389   XBT_DEBUG("parse_mount_init");
 390 }
 391
 392 static void storage_define_callbacks()
 393 {
 394   sg_platf_storage_add_cb(parse_storage_init);
 395   sg_platf_storage_type_add_cb(parse_storage_type_init);
 396   sg_platf_mstorage_add_cb(parse_mstorage_init);
 397   sg_platf_mount_add_cb(parse_mount_init);
 398 }
 399
 400 static void surf_storage_model_init_internal(void)
 401 {
 402   s_surf_action_t action;
 403
 404   XBT_DEBUG("surf_storage_model_init_internal");
 405   surf_storage_model = surf_model_init();
 406
 407   storage_running_action_set_that_does_not_need_being_checked =
 408       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 409
 410   surf_storage_model->name = "Storage";
 411   surf_storage_model->action_unref = storage_action_unref;
 412   surf_storage_model->action_cancel = storage_action_cancel;
 413   surf_storage_model->action_state_set = storage_action_state_set;
 414
 415   surf_storage_model->model_private->finalize = storage_finalize;
 416   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 417   surf_storage_model->model_private->share_resources = storage_share_resources;
 418   surf_storage_model->model_private->resource_used = storage_resource_used;
 419   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 420
 421   surf_storage_model->suspend = storage_action_suspend;
 422   surf_storage_model->resume = storage_action_resume;
 423   surf_storage_model->is_suspended = storage_action_is_suspended;
 424   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 425   surf_storage_model->set_priority = storage_action_set_priority;
 426
 427   surf_storage_model->extension.storage.open = storage_action_open;
 428   surf_storage_model->extension.storage.close = storage_action_close;
 429   surf_storage_model->extension.storage.read = storage_action_read;
 430   surf_storage_model->extension.storage.write = storage_action_write;
 431   surf_storage_model->extension.storage.stat = storage_action_stat;
 432   surf_storage_model->extension.storage.create_resource = storage_create_resource;
 433
 434   if (!storage_maxmin_system) {
 435     storage_maxmin_system = lmm_system_new(storage_selective_update);
 436   }
 437
 438 }
 439
 440 void surf_storage_model_init_default(void)
 441 {
 442   surf_storage_model_init_internal();
 443   storage_define_callbacks();
 444
 445   xbt_dynar_push(model_list, &surf_storage_model);
 446 }
 447
 448 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 449 {
 450   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 451                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 452
 453   // Verification of an existing type_id
 454 #ifndef NDEBUG
 455   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 456 #endif
 457   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 458
 459   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 460       storage->id,
 461       storage->type_id,
 462       storage->content);
 463
 464   xbt_lib_set(storage_lib,
 465       storage->id,
 466       ROUTING_STORAGE_LEVEL,
 467       (void *) xbt_strdup(storage->type_id));
 468 }
 469
 470 static void free_storage_content(void *p)
 471 {
 472   surf_stat_t content = p;
 473   free(content->stat.date);
 474   free(content->stat.group);
 475   free(content->stat.time);
 476   free(content->stat.user);
 477   free(content->stat.user_rights);
 478   free(content);
 479 }
 480
 481 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
 482 {
 483   *used_size = 0;
 484   if ((!filename) || (strcmp(filename, "") == 0))
 485     return NULL;
 486
 487   xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
 488   FILE *file = NULL;
 489
 490   file = surf_fopen(filename, "r");
 491   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 492               xbt_str_join(surf_path, ":"));
 493
 494   char *line = NULL;
 495   size_t len = 0;
 496   ssize_t read;
 497   char user_rights[12];
 498   char user[100];
 499   char group[100];
 500   char date[12];
 501   char time[12];
 502   char path[1024];
 503   int nb;
 504   unsigned long size;
 505
 506   surf_stat_t content;
 507
 508   while ((read = getline(&line, &len, file)) != -1) {
 509     content = xbt_new0(s_surf_stat_t,1);
 510     if(sscanf(line,"%s %d %s %s %ld %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
 511       content->stat.date = xbt_strdup(date);
 512       content->stat.group = xbt_strdup(group);
 513       content->stat.size = size;
 514       content->stat.time = xbt_strdup(time);
 515       content->stat.user = xbt_strdup(user);
 516       content->stat.user_rights = xbt_strdup(user_rights);
 517       *used_size += content->stat.size;
 518       xbt_dict_set(parse_content,path,content,NULL);
 519     } else {
 520       xbt_die("Be sure of passing a good format for content file.\n");
 521       // You can generate this kind of file with command line:
 522       // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
 523     }
 524   }
 525   if (line)
 526       free(line);
 527   fclose(file);
 528   return parse_content;
 529 }
 530
 531 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 532 {
 533   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 534                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 535
 536   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 537   stype->model = xbt_strdup(storage_type->model);
 538   stype->properties = storage_type->properties;
 539   stype->content = xbt_strdup(storage_type->content);
 540   stype->type_id = xbt_strdup(storage_type->id);
 541   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
 542
 543   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
 544       stype->type_id,
 545       stype->model,
 546       storage_type->content);
 547
 548   xbt_lib_set(storage_type_lib,
 549       stype->type_id,
 550       ROUTING_STORAGE_TYPE_LEVEL,
 551       (void *) stype);
 552 }
 553 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 554 {
 555   THROW_UNIMPLEMENTED;
 556 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 557 //  mnt->id = xbt_strdup(mstorage->type_id);
 558 //  mnt->name = xbt_strdup(mstorage->name);
 559 //
 560 //  if(!mount_list){
 561 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 562 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 563 //  }
 564 //  xbt_dynar_push(mount_list,(void *) mnt);
 565 //  free(mnt->id);
 566 //  free(mnt->name);
 567 //  xbt_free(mnt);
 568 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 569 }
 570
 571 static void mount_free(void *p)
 572 {
 573   mount_t mnt = p;
 574   xbt_free(mnt->name);
 575 }
 576
 577 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 578 {
 579   // Verification of an existing storage
 580 #ifndef NDEBUG
 581   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 582 #endif
 583   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 584
 585   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 586
 587   s_mount_t mnt;
 588   mnt.id = surf_storage_resource_by_name(mount->id);
 589   mnt.name = xbt_strdup(mount->name);
 590
 591   if(!mount_list){
 592     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 593     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 594   }
 595   xbt_dynar_push(mount_list,&mnt);
 596 }
 597
 598 static XBT_INLINE void routing_storage_type_free(void *r)
 599 {
 600   storage_type_t stype = r;
 601   free(stype->model);
 602   free(stype->type_id);
 603   free(stype->content);
 604   xbt_dict_free(&(stype->properties));
 605   free(stype);
 606 }
 607
 608 static XBT_INLINE void surf_storage_resource_free(void *r)
 609 {
 610   // specific to storage
 611   storage_t storage = r;
 612   xbt_dict_free(&storage->content);
 613   // generic resource
 614   surf_resource_free(r);
 615 }
 616
 617 static XBT_INLINE void routing_storage_host_free(void *r)
 618 {
 619   xbt_dynar_t dyn = r;
 620   xbt_dynar_free(&dyn);
 621 }
 622
 623 void storage_register_callbacks() {
 624
 625   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 626   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 627   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 628   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 629
 630   sg_platf_storage_add_cb(storage_parse_storage);
 631   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 632   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 633   sg_platf_mount_add_cb(storage_parse_mount);
 634 }