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 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  33 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  34
  35 typedef enum {
  36   READ = 0,
  37   WRITE = 1,
  38   DEFAULT = 2
  39 } STORAGE_execute_type_t;
  40
  41 typedef struct surf_storage {
  42   s_surf_resource_t generic_resource;
  43   const char* type;
  44   const char* content; /*should be a dict */
  45 } s_surf_storage_t, *surf_storage_t;
  46
  47 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
  48 static surf_action_t storage_action_sleep (void *storage, double duration);
  49 static surf_action_t storage_action_execute (void *storage, size_t size, STORAGE_execute_type_t type);
  50
  51 static surf_action_t storage_action_open(void *storage, const char* path, const char* mode)
  52 {
  53   XBT_DEBUG("\tOpen file '%s'",path);
  54   char *storage_type_id = xbt_lib_get_or_null(
  55       storage_lib,
  56       ((storage_t)storage)->generic_resource.name,
  57       ROUTING_STORAGE_LEVEL);
  58   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, storage_type_id,ROUTING_STORAGE_TYPE_LEVEL);
  59   xbt_dict_t content_dict = storage_type->content;
  60   content_t content = xbt_dict_get(content_dict,path);
  61
  62   surf_file_t file = xbt_new0(s_surf_file_t,1);
  63   file->name = xbt_strdup(path);
  64   file->content = content;
  65
  66   surf_action_t action = storage_action_execute(storage,0, DEFAULT);
  67   action->file = (void *)file;
  68   return action;
  69 }
  70
  71 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
  72 {
  73   char *filename = fp->name;
  74   free(fp->name);
  75   fp->content = NULL;
  76   xbt_free(fp);
  77   surf_action_t action = storage_action_execute(storage,0, DEFAULT);
  78   XBT_DEBUG("\tClose file '%s'",filename);
  79   return action;
  80 }
  81
  82 static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  83 {
  84   char *filename = stream->name;
  85   content_t content = stream->content;
  86   XBT_DEBUG("\tRead file '%s' size '%Zu/%Zu'",filename,size,content->size);
  87   if(size > content->size)
  88     size = content->size;
  89   surf_action_t action = storage_action_execute(storage,size,READ);
  90   return action;
  91 }
  92
  93 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
  94 {
  95   char *filename = stream->name;
  96   content_t content = stream->content;
  97   XBT_DEBUG("\tWrite file '%s' size '%Zu/%Zu'",filename,size,content->size);
  98
  99   surf_action_t action = storage_action_execute(storage,size,WRITE);
 100   content->size += size;
 101   return action;
 102 }
 103
 104 static surf_action_t storage_action_stat(void *storage, int fd, void* buf)
 105 {
 106   THROW_UNIMPLEMENTED;
 107   return NULL;
 108 }
 109
 110 static surf_action_t storage_action_execute (void *storage, size_t size, STORAGE_execute_type_t type)
 111 {
 112   surf_action_storage_t action = NULL;
 113   storage_t STORAGE = storage;
 114
 115   XBT_IN("(%s,%Zu)", surf_resource_name(STORAGE), size);
 116   action =
 117       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 118           STORAGE->state_current != SURF_RESOURCE_ON);
 119
 120   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 121                                                    calloc but it seems to help valgrind... */
 122
 123   GENERIC_LMM_ACTION(action).variable =
 124       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 125
 126   if(type == DEFAULT)
 127   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 128              GENERIC_LMM_ACTION(action).variable, 1.0);
 129   else if(type == READ)
 130     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 131                GENERIC_LMM_ACTION(action).variable, 1.0);
 132   else if(type == WRITE)
 133     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 134                GENERIC_LMM_ACTION(action).variable, 1.0);
 135   else xbt_die("storage_action_execute with type '%d'",(int) type);
 136
 137   XBT_OUT();
 138   return (surf_action_t) action;
 139 }
 140
 141 static surf_action_t storage_action_sleep (void *storage, double duration)
 142 {
 143   surf_action_storage_t action = NULL;
 144
 145   if (duration > 0)
 146     duration = MAX(duration, MAXMIN_PRECISION);
 147
 148   XBT_IN("(%s,%g)", surf_resource_name(storage), duration);
 149   action = (surf_action_storage_t) storage_action_execute(storage, 1.0, DEFAULT);
 150   GENERIC_ACTION(action).max_duration = duration;
 151   GENERIC_LMM_ACTION(action).suspended = 2;
 152   if (duration == NO_MAX_DURATION) {
 153     /* Move to the *end* of the corresponding action set. This convention
 154        is used to speed up update_resource_state  */
 155     xbt_swag_remove(action, ((surf_action_t) action)->state_set);
 156     ((surf_action_t) action)->state_set =
 157         storage_running_action_set_that_does_not_need_being_checked;
 158     xbt_swag_insert(action, ((surf_action_t) action)->state_set);
 159   }
 160
 161   lmm_update_variable_weight(storage_maxmin_system,
 162                              GENERIC_LMM_ACTION(action).variable, 0.0);
 163
 164   XBT_OUT();
 165   return (surf_action_t) action;
 166 }
 167
 168 static void* storage_create_resource(const char* id, const char* model,const char* type_id)
 169 {
 170   storage_t storage = NULL;
 171
 172   xbt_assert(!surf_storage_resource_by_name(id),
 173               "Storage '%s' declared several times in the platform file",
 174               id);
 175   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
 176           surf_storage_model, id,NULL);
 177
 178   storage->state_current = SURF_RESOURCE_ON;
 179
 180   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
 181   size_t Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
 182   size_t Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
 183   size_t Bconnexion   = atof(xbt_dict_get(storage_type->properties,"Bconnexion"));
 184   XBT_INFO("Create resource with Bconnexion '%Zu' Bread '%Zu' Bwrite '%Zu'",Bconnexion,Bread,Bwrite);
 185   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnexion);
 186   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 187   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 188
 189   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 190
 191   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 '%Zu'\n",
 192       id,
 193       model,
 194       type_id,
 195       storage_type->properties,
 196       Bread);
 197
 198   return storage;
 199 }
 200
 201 static void storage_finalize(void)
 202 {
 203   lmm_system_free(storage_maxmin_system);
 204   storage_maxmin_system = NULL;
 205
 206   surf_model_exit(surf_storage_model);
 207   surf_storage_model = NULL;
 208
 209   xbt_swag_free
 210       (storage_running_action_set_that_does_not_need_being_checked);
 211   storage_running_action_set_that_does_not_need_being_checked = NULL;
 212 }
 213
 214 static void storage_update_actions_state(double now, double delta)
 215 {
 216   surf_action_storage_t action = NULL;
 217   surf_action_storage_t next_action = NULL;
 218   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 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     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 224       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 225     if ((GENERIC_ACTION(action).remains <= 0) &&
 226         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0)) {
 227       GENERIC_ACTION(action).finish = surf_get_clock();
 228       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 229     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 230                (GENERIC_ACTION(action).max_duration <= 0)) {
 231       GENERIC_ACTION(action).finish = surf_get_clock();
 232       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 233     }
 234   }
 235
 236   return;
 237 }
 238
 239 static double storage_share_resources(double NOW)
 240 {
 241   XBT_DEBUG("storage_share_resources %f",NOW);
 242   s_surf_action_storage_t action;
 243   return generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 244       xbt_swag_offset(action, generic_lmm_action.variable),
 245       storage_maxmin_system, lmm_solve);
 246 }
 247
 248 static int storage_resource_used(void *resource_id)
 249 {
 250   THROW_UNIMPLEMENTED;
 251   return 0;
 252 }
 253
 254 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 255                                  double value, double time)
 256 {
 257   THROW_UNIMPLEMENTED;
 258 }
 259
 260 static int storage_action_unref(surf_action_t action)
 261 {
 262   action->refcount--;
 263   if (!action->refcount) {
 264     xbt_swag_remove(action, action->state_set);
 265     if (((surf_action_lmm_t) action)->variable)
 266       lmm_variable_free(storage_maxmin_system,
 267                         ((surf_action_lmm_t) action)->variable);
 268 #ifdef HAVE_TRACING
 269     xbt_free(action->category);
 270 #endif
 271     surf_action_free(&action);
 272     return 1;
 273   }
 274   return 0;
 275 }
 276
 277 static void storage_action_cancel(surf_action_t action)
 278 {
 279   surf_action_state_set(action, SURF_ACTION_FAILED);
 280   return;
 281 }
 282
 283 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 284 {
 285   surf_action_state_set(action, state);
 286   return;
 287 }
 288
 289 static void storage_action_suspend(surf_action_t action)
 290 {
 291   XBT_IN("(%p)", action);
 292   if (((surf_action_lmm_t) action)->suspended != 2) {
 293     lmm_update_variable_weight(storage_maxmin_system,
 294                                ((surf_action_lmm_t) action)->variable,
 295                                0.0);
 296     ((surf_action_lmm_t) action)->suspended = 1;
 297   }
 298   XBT_OUT();
 299 }
 300
 301 static void storage_action_resume(surf_action_t action)
 302 {
 303   THROW_UNIMPLEMENTED;
 304 }
 305
 306 static int storage_action_is_suspended(surf_action_t action)
 307 {
 308   return (((surf_action_lmm_t) action)->suspended == 1);
 309 }
 310
 311 static void storage_action_set_max_duration(surf_action_t action, double duration)
 312 {
 313   THROW_UNIMPLEMENTED;
 314 }
 315
 316 static void storage_action_set_priority(surf_action_t action, double priority)
 317 {
 318   THROW_UNIMPLEMENTED;
 319 }
 320
 321 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 322 {
 323   void* stype = xbt_lib_get_or_null(storage_type_lib,
 324                                     storage->type_id,
 325                                     ROUTING_STORAGE_TYPE_LEVEL);
 326   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 327 //  XBT_INFO("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",
 328 //      storage->id,
 329 //      ((storage_type_t) stype)->model,
 330 //      ((storage_type_t) stype)->type_id,
 331 //      ((storage_type_t) stype)->content,
 332 //      ((storage_type_t) stype)->properties);
 333
 334  storage_create_resource(storage->id,
 335      ((storage_type_t) stype)->model,
 336      ((storage_type_t) stype)->type_id);
 337 }
 338
 339 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 340 {
 341   XBT_DEBUG("parse_mstorage_init");
 342 }
 343
 344 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 345 {
 346   XBT_DEBUG("parse_storage_type_init");
 347 }
 348
 349 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 350 {
 351   XBT_DEBUG("parse_mount_init");
 352 }
 353
 354 static void storage_define_callbacks()
 355 {
 356   sg_platf_storage_add_cb(parse_storage_init);
 357   sg_platf_storage_type_add_cb(parse_storage_type_init);
 358   sg_platf_mstorage_add_cb(parse_mstorage_init);
 359   sg_platf_mount_add_cb(parse_mount_init);
 360 }
 361
 362 static void surf_storage_model_init_internal(void)
 363 {
 364   s_surf_action_t action;
 365
 366   XBT_DEBUG("surf_storage_model_init_internal");
 367   surf_storage_model = surf_model_init();
 368
 369   storage_running_action_set_that_does_not_need_being_checked =
 370       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 371
 372   surf_storage_model->name = "Storage";
 373   surf_storage_model->action_unref = storage_action_unref;
 374   surf_storage_model->action_cancel = storage_action_cancel;
 375   surf_storage_model->action_state_set = storage_action_state_set;
 376
 377   surf_storage_model->model_private->finalize = storage_finalize;
 378   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 379   surf_storage_model->model_private->share_resources = storage_share_resources;
 380   surf_storage_model->model_private->resource_used = storage_resource_used;
 381   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 382
 383   surf_storage_model->suspend = storage_action_suspend;
 384   surf_storage_model->resume = storage_action_resume;
 385   surf_storage_model->is_suspended = storage_action_is_suspended;
 386   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 387   surf_storage_model->set_priority = storage_action_set_priority;
 388
 389   surf_storage_model->extension.storage.open = storage_action_open;
 390   surf_storage_model->extension.storage.close = storage_action_close;
 391   surf_storage_model->extension.storage.read = storage_action_read;
 392   surf_storage_model->extension.storage.write = storage_action_write;
 393   surf_storage_model->extension.storage.stat = storage_action_stat;
 394   surf_storage_model->extension.storage.create_resource = storage_create_resource;
 395
 396   if (!storage_maxmin_system) {
 397     storage_maxmin_system = lmm_system_new(storage_selective_update);
 398   }
 399
 400 }
 401
 402 void surf_storage_model_init_default(void)
 403 {
 404   surf_storage_model_init_internal();
 405   storage_define_callbacks();
 406
 407   xbt_dynar_push(model_list, &surf_storage_model);
 408 }
 409
 410 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 411 {
 412   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 413                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 414
 415   // Verification of an existing type_id
 416 #ifndef NDEBUG
 417   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 418 #endif
 419   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 420
 421   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s'",
 422       storage->id,
 423       storage->type_id);
 424
 425   xbt_lib_set(storage_lib,
 426       storage->id,
 427       ROUTING_STORAGE_LEVEL,
 428       (void *) xbt_strdup(storage->type_id));
 429 }
 430
 431 static void free_storage_content(void *p)
 432 {
 433   content_t content = p;
 434   free(content->date);
 435   free(content->group);
 436   free(content->time);
 437   free(content->user);
 438   free(content->user_rights);
 439   free(content);
 440 }
 441
 442 static xbt_dict_t parse_storage_content(const char *filename)
 443 {
 444   if ((!filename) || (strcmp(filename, "") == 0))
 445     return NULL;
 446
 447   xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
 448   FILE *file = NULL;
 449
 450   file = surf_fopen(filename, "r");
 451   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 452               xbt_str_join(surf_path, ":"));
 453
 454   char *line = NULL;
 455   size_t len = 0;
 456   ssize_t read;
 457   char user_rights[12];
 458   char user[100];
 459   char group[100];
 460   char date[12];
 461   char time[12];
 462   char path[1024];
 463   int nb, size;
 464
 465   content_t content;
 466
 467   while ((read = getline(&line, &len, file)) != -1) {
 468     content = xbt_new0(s_content_t,1);
 469     if(sscanf(line,"%s %d %s %s %d %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
 470       content->date = xbt_strdup(date);
 471       content->group = xbt_strdup(group);
 472       content->size = size;
 473       content->time = xbt_strdup(time);
 474       content->user = xbt_strdup(user);
 475       content->user_rights = xbt_strdup(user_rights);
 476       xbt_dict_set(parse_content,path,content,NULL);
 477     } else {
 478       xbt_die("Be sure of passing a good format for content file.\n");
 479       // You can generate this kind of file with command line:
 480       // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
 481     }
 482   }
 483   if (line)
 484       free(line);
 485
 486   fclose(file);
 487   return parse_content;
 488 }
 489
 490 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 491 {
 492   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 493                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 494
 495   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 496   stype->model = xbt_strdup(storage_type->model);
 497   stype->properties = storage_type->properties;
 498   stype->content = parse_storage_content(storage_type->content);
 499   stype->type_id = xbt_strdup(storage_type->id);
 500
 501   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s' and properties '%p'",
 502       stype->type_id,
 503       stype->model,
 504       storage_type->content,
 505       stype->properties);
 506
 507   xbt_lib_set(storage_type_lib,
 508       stype->type_id,
 509       ROUTING_STORAGE_TYPE_LEVEL,
 510       (void *) stype);
 511 }
 512 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 513 {
 514   THROW_UNIMPLEMENTED;
 515 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 516 //  mnt->id = xbt_strdup(mstorage->type_id);
 517 //  mnt->name = xbt_strdup(mstorage->name);
 518 //
 519 //  if(!mount_list){
 520 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 521 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 522 //  }
 523 //  xbt_dynar_push(mount_list,(void *) mnt);
 524 //  free(mnt->id);
 525 //  free(mnt->name);
 526 //  xbt_free(mnt);
 527 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 528 }
 529
 530 static void mount_free(void *p)
 531 {
 532   mount_t mnt = p;
 533   xbt_free(mnt->name);
 534 }
 535
 536 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 537 {
 538   // Verification of an existing storage
 539 #ifndef NDEBUG
 540   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
 541 #endif
 542   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
 543
 544   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
 545
 546   s_mount_t mnt;
 547   mnt.id = surf_storage_resource_by_name(mount->id);
 548   mnt.name = xbt_strdup(mount->name);
 549
 550   if(!mount_list){
 551     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 552     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 553   }
 554   xbt_dynar_push(mount_list,&mnt);
 555 }
 556
 557 static XBT_INLINE void routing_storage_type_free(void *r)
 558 {
 559   storage_type_t stype = r;
 560   free(stype->model);
 561   free(stype->type_id);
 562   xbt_dict_free(&(stype->properties));
 563   xbt_dict_free(&(stype->content));
 564   free(stype);
 565 }
 566
 567 static XBT_INLINE void routing_storage_host_free(void *r)
 568 {
 569   xbt_dynar_t dyn = r;
 570   xbt_dynar_free(&dyn);
 571 }
 572
 573 void storage_register_callbacks() {
 574
 575   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 576   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 577   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 578   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_resource_free);
 579
 580   sg_platf_storage_add_cb(storage_parse_storage);
 581   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 582   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 583   sg_platf_mount_add_cb(storage_parse_mount);
 584 }