src/surf/storage.c

   1 /* Copyright (c) 2004-2013. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "portable.h"
  10 #include "surf_private.h"
  11 #include "storage_private.h"
  12 #include "surf/surf_resource.h"
  13
  14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
  15                                 "Logging specific to the SURF storage module");
  16
  17 xbt_lib_t storage_lib;
  18 int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
  19 int ROUTING_STORAGE_HOST_LEVEL;
  20 int SURF_STORAGE_LEVEL;
  21 xbt_lib_t storage_type_lib;
  22 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
  23
  24 xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
  25
  26 surf_model_t surf_storage_model = NULL;
  27 lmm_system_t storage_maxmin_system = NULL;
  28 static int storage_selective_update = 0;
  29 static xbt_swag_t
  30     storage_running_action_set_that_does_not_need_being_checked = NULL;
  31
  32 static xbt_dynar_t storage_list;
  33
  34 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  35 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  36
  37 static xbt_dict_t parse_storage_content(char *filename, sg_storage_size_t *used_size);
  38 static int storage_action_unref(surf_action_t action);
  39 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
  40 static surf_action_t storage_action_execute (void *storage, sg_storage_size_t 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   sg_storage_size_t size = 0;
  50   xbt_dict_cursor_t cursor = NULL;
  51
  52   xbt_dynar_t dyn = NULL;
  53   char* file = NULL;
  54
  55   // for each file in the storage content
  56   xbt_dict_foreach(((storage_t)storage)->content,cursor,key,size){
  57     // Search if file start with the prefix 'path'
  58     if(xbt_str_start_with(key,path)){
  59       file = &key[strlen(path)];
  60
  61       // Split file with '/'
  62       dyn = xbt_str_split(file,"/");
  63       file = xbt_dynar_get_as(dyn,0,char*);
  64
  65       // file
  66       if(xbt_dynar_length(dyn) == 1){
  67         xbt_dict_set(ls_dict,file,&size,NULL);
  68       }
  69       // Directory
  70       else
  71       {
  72         // if directory does not exist yet in the dictionary
  73         if(!xbt_dict_get_or_null(ls_dict,file))
  74           xbt_dict_set(ls_dict,file,NULL,NULL);
  75       }
  76       xbt_dynar_free(&dyn);
  77     }
  78   }
  79
  80   action->ls_dict = ls_dict;
  81   return action;
  82 }
  83
  84 static surf_action_t storage_action_open(void *storage, const char* mount,
  85                                          const char* path)
  86 {
  87   XBT_DEBUG("\tOpen file '%s'",path);
  88   xbt_dict_t content_dict = ((storage_t)storage)->content;
  89   sg_storage_size_t size = (sg_storage_size_t) xbt_dict_get_or_null(content_dict,path);
  90
  91   // if file does not exist create an empty file
  92   if(!size){
  93         size = 0;
  94     xbt_dict_set(content_dict,path,&size,NULL);
  95     XBT_DEBUG("File '%s' was not found, file created.",path);
  96   }
  97   surf_file_t file = xbt_new0(s_surf_file_t,1);
  98   file->name = xbt_strdup(path);
  99   file->size = size;
 100   file->mount = xbt_strdup(mount);
 101
 102   surf_action_t action = storage_action_execute(storage,0, OPEN);
 103   action->file = (void *)file;
 104   return action;
 105 }
 106
 107 static surf_action_t storage_action_close(void *storage, surf_file_t fd)
 108 {
 109   char *filename = fd->name;
 110   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fd->size);
 111   // unref write actions from storage
 112   surf_action_storage_t write_action;
 113   unsigned int i;
 114   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
 115     if ((write_action->generic_lmm_action.generic_action.file) == fd) {
 116       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
 117       storage_action_unref((surf_action_t) write_action);
 118     }
 119   }
 120   free(fd->name);
 121   free(fd->mount);
 122   xbt_free(fd);
 123   surf_action_t action = storage_action_execute(storage,0, CLOSE);
 124   return action;
 125 }
 126
 127 static surf_action_t storage_action_read(void *storage, sg_storage_size_t size,
 128                                          surf_file_t fd)
 129 {
 130   if(size > fd->size)
 131     size = fd->size;
 132   surf_action_t action = storage_action_execute(storage,size,READ);
 133   return action;
 134 }
 135
 136 static surf_action_t storage_action_write(void *storage, sg_storage_size_t size,
 137                                           surf_file_t fd)
 138 {
 139   char *filename = fd->name;
 140   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,fd->size);
 141
 142   surf_action_t action = storage_action_execute(storage,size,WRITE);
 143   action->file = fd;
 144
 145   // If the storage is full
 146   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
 147     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 148   }
 149   return action;
 150 }
 151
 152 static surf_action_t storage_action_execute (void *storage, sg_storage_size_t size, e_surf_action_storage_type_t type)
 153 {
 154   surf_action_storage_t action = NULL;
 155   storage_t STORAGE = storage;
 156
 157   XBT_IN("(%s,%zu", surf_resource_name(STORAGE), size);
 158   action =
 159       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
 160           STORAGE->state_current != SURF_RESOURCE_ON);
 161
 162   // Save the storage on action
 163   action->storage = storage;
 164   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
 165                                                    calloc but it seems to help valgrind... */
 166
 167   GENERIC_LMM_ACTION(action).variable =
 168       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
 169
 170   // Must be less than the max bandwidth for all actions
 171   lmm_expand(storage_maxmin_system, STORAGE->constraint,
 172              GENERIC_LMM_ACTION(action).variable, 1.0);
 173
 174   switch(type) {
 175   case OPEN:
 176   case CLOSE:
 177   case STAT:
 178   case LS:
 179     break;
 180   case READ:
 181     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
 182                GENERIC_LMM_ACTION(action).variable, 1.0);
 183     break;
 184   case WRITE:
 185     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
 186                GENERIC_LMM_ACTION(action).variable, 1.0);
 187     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
 188     surf_action_ref((surf_action_t) action);
 189     break;
 190   }
 191   action->type = type;
 192   XBT_OUT();
 193   return (surf_action_t) action;
 194 }
 195
 196 static xbt_dict_t storage_get_properties(const void *storage)
 197 {
 198   return surf_resource_properties(surf_storage_resource_priv(storage));
 199 }
 200
 201 static xbt_dict_t storage_get_content(void *storage)
 202 {
 203   /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
 204   /*surf_action_t action = storage_action_execute(storage,0, LS);*/
 205
 206   void *st = surf_storage_resource_priv(storage);
 207   xbt_dict_t content_dict = xbt_dict_new();
 208   xbt_dict_cursor_t cursor = NULL;
 209   char *file;
 210   char *size;
 211   xbt_dict_foreach(((storage_t)st)->content, cursor, file, size){
 212     xbt_dict_set(content_dict,file,(void*)size,NULL);
 213   }
 214   return content_dict;
 215 }
 216
 217 static void* storage_create_resource(const char* id, const char* model,
 218     const char* type_id, const char* content_name, const char* content_type, xbt_dict_t properties){
 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, properties, 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 =
 234       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bread"));
 235   double Bwrite =
 236       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bwrite"));
 237   double Bconnection =
 238       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,
 239                                             "Bconnection"));
 240   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%lu'",Bconnection,Bread,Bwrite,(unsigned long)storage_type->size);
 241   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
 242   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
 243   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
 244   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
 245   storage->content_type = xbt_strdup(content_type);
 246   storage->size = storage_type->size;
 247   storage->type_id = xbt_strdup(type_id);
 248
 249   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
 250
 251   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",
 252       id,
 253       model,
 254       type_id,
 255       storage_type->properties,
 256       Bread);
 257
 258   if (!storage_list)
 259     storage_list = xbt_dynar_new(sizeof(char *),NULL);
 260   xbt_dynar_push(storage_list,&storage);
 261
 262   return storage;
 263 }
 264
 265 static void storage_finalize(void)
 266 {
 267   lmm_system_free(storage_maxmin_system);
 268   storage_maxmin_system = NULL;
 269
 270   surf_model_exit(surf_storage_model);
 271   surf_storage_model = NULL;
 272
 273   xbt_dynar_free(&storage_list);
 274
 275   xbt_swag_free
 276       (storage_running_action_set_that_does_not_need_being_checked);
 277   storage_running_action_set_that_does_not_need_being_checked = NULL;
 278 }
 279
 280 static void storage_update_actions_state(double now, double delta)
 281 {
 282   surf_action_storage_t action = NULL;
 283   surf_action_storage_t next_action = NULL;
 284   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
 285
 286
 287   xbt_swag_foreach_safe(action, next_action, running_actions) {
 288     if(action->type == WRITE)
 289     {
 290       // Update the disk usage
 291       // Update the file size
 292       // Update the storage content (with file size)
 293       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
 294       /* Hack to avoid rounding differences between x86 and x86_64
 295        * (note that the next sizes are of type sg_storage_size_t). */
 296       long incr = delta * rate + MAXMIN_PRECISION;
 297       ((storage_t)(action->storage))->used_size += incr; // disk usage
 298       ((surf_action_t)action)->file->size += incr; // file size
 299
 300       xbt_dict_t content_dict = ((storage_t)(action->storage))->content;
 301       xbt_dict_set(content_dict,((surf_action_t)action)->file->name,(void*)(((surf_action_t)action)->file->size),NULL);
 302     }
 303
 304     double_update(&(GENERIC_ACTION(action).remains),
 305                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
 306
 307     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
 308       double_update(&(GENERIC_ACTION(action).max_duration), delta);
 309
 310     if(GENERIC_ACTION(action).remains > 0 &&
 311         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
 312         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
 313     {
 314       GENERIC_ACTION(action).finish = surf_get_clock();
 315       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 316     } else if ((GENERIC_ACTION(action).remains <= 0) &&
 317         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
 318     {
 319       GENERIC_ACTION(action).finish = surf_get_clock();
 320       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 321     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
 322                (GENERIC_ACTION(action).max_duration <= 0))
 323     {
 324       GENERIC_ACTION(action).finish = surf_get_clock();
 325       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 326     }
 327   }
 328
 329   return;
 330 }
 331
 332 static double storage_share_resources(double NOW)
 333 {
 334   XBT_DEBUG("storage_share_resources %f",NOW);
 335   s_surf_action_storage_t action;
 336   unsigned int i,j;
 337   storage_t storage;
 338   surf_action_storage_t write_action;
 339
 340   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
 341       xbt_swag_offset(action, generic_lmm_action.variable),
 342       storage_maxmin_system, lmm_solve);
 343
 344   double rate;
 345   // Foreach disk
 346   xbt_dynar_foreach(storage_list,i,storage)
 347   {
 348     rate = 0;
 349     // Foreach write action on disk
 350     xbt_dynar_foreach(storage->write_actions,j,write_action)
 351     {
 352       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
 353     }
 354     if(rate > 0)
 355       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
 356   }
 357
 358   return min_completion;
 359 }
 360
 361 static int storage_resource_used(void *resource_id)
 362 {
 363   THROW_UNIMPLEMENTED;
 364   return 0;
 365 }
 366
 367 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
 368                                  double value, double time)
 369 {
 370   THROW_UNIMPLEMENTED;
 371 }
 372
 373 static int storage_action_unref(surf_action_t action)
 374 {
 375   action->refcount--;
 376   if (!action->refcount) {
 377     xbt_swag_remove(action, action->state_set);
 378     if (((surf_action_lmm_t) action)->variable)
 379       lmm_variable_free(storage_maxmin_system,
 380                         ((surf_action_lmm_t) action)->variable);
 381 #ifdef HAVE_TRACING
 382     xbt_free(action->category);
 383 #endif
 384     surf_action_free(&action);
 385     return 1;
 386   }
 387   return 0;
 388 }
 389
 390 static void storage_action_cancel(surf_action_t action)
 391 {
 392   surf_action_state_set(action, SURF_ACTION_FAILED);
 393   return;
 394 }
 395
 396 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
 397 {
 398   surf_action_state_set(action, state);
 399   return;
 400 }
 401
 402 static void storage_action_suspend(surf_action_t action)
 403 {
 404   XBT_IN("(%p)", action);
 405   if (((surf_action_lmm_t) action)->suspended != 2) {
 406     lmm_update_variable_weight(storage_maxmin_system,
 407                                ((surf_action_lmm_t) action)->variable,
 408                                0.0);
 409     ((surf_action_lmm_t) action)->suspended = 1;
 410   }
 411   XBT_OUT();
 412 }
 413
 414 static void storage_action_resume(surf_action_t action)
 415 {
 416   THROW_UNIMPLEMENTED;
 417 }
 418
 419 static int storage_action_is_suspended(surf_action_t action)
 420 {
 421   return (((surf_action_lmm_t) action)->suspended == 1);
 422 }
 423
 424 static void storage_action_set_max_duration(surf_action_t action, double duration)
 425 {
 426   THROW_UNIMPLEMENTED;
 427 }
 428
 429 static void storage_action_set_priority(surf_action_t action, double priority)
 430 {
 431   THROW_UNIMPLEMENTED;
 432 }
 433
 434 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
 435 {
 436   void* stype = xbt_lib_get_or_null(storage_type_lib,
 437                                     storage->type_id,
 438                                     ROUTING_STORAGE_TYPE_LEVEL);
 439   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 440
 441   // if storage content is not specified use the content of storage_type if exist
 442   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 443     storage->content = ((storage_type_t) stype)->content;
 444     storage->content_type = ((storage_type_t) stype)->content_type;
 445     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 446         storage->id,((storage_type_t) stype)->content_type,
 447         ((storage_type_t) stype)->type_id);
 448   }
 449
 450   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 451       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 452       "\n\t\tproperties '%p'\n",
 453       storage->id,
 454       ((storage_type_t) stype)->model,
 455       ((storage_type_t) stype)->type_id,
 456       storage->content,
 457       storage->content_type,
 458       ((storage_type_t) stype)->properties);
 459
 460   storage_create_resource(storage->id,
 461      ((storage_type_t) stype)->model,
 462      ((storage_type_t) stype)->type_id,
 463      storage->content,
 464      storage->content_type,
 465      storage->properties);
 466 }
 467
 468 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
 469 {
 470   XBT_DEBUG("parse_mstorage_init");
 471 }
 472
 473 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
 474 {
 475   XBT_DEBUG("parse_storage_type_init");
 476 }
 477
 478 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
 479 {
 480   XBT_DEBUG("parse_mount_init");
 481 }
 482
 483 static void storage_define_callbacks()
 484 {
 485   sg_platf_storage_add_cb(parse_storage_init);
 486   sg_platf_storage_type_add_cb(parse_storage_type_init);
 487   sg_platf_mstorage_add_cb(parse_mstorage_init);
 488   sg_platf_mount_add_cb(parse_mount_init);
 489 }
 490
 491 static void surf_storage_model_init_internal(void)
 492 {
 493   s_surf_action_t action;
 494
 495   XBT_DEBUG("surf_storage_model_init_internal");
 496   surf_storage_model = surf_model_init();
 497
 498   storage_running_action_set_that_does_not_need_being_checked =
 499       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 500
 501   surf_storage_model->name = "Storage";
 502   surf_storage_model->action_unref = storage_action_unref;
 503   surf_storage_model->action_cancel = storage_action_cancel;
 504   surf_storage_model->action_state_set = storage_action_state_set;
 505
 506   surf_storage_model->model_private->finalize = storage_finalize;
 507   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
 508   surf_storage_model->model_private->share_resources = storage_share_resources;
 509   surf_storage_model->model_private->resource_used = storage_resource_used;
 510   surf_storage_model->model_private->update_resource_state = storage_resources_state;
 511
 512   surf_storage_model->suspend = storage_action_suspend;
 513   surf_storage_model->resume = storage_action_resume;
 514   surf_storage_model->is_suspended = storage_action_is_suspended;
 515   surf_storage_model->set_max_duration = storage_action_set_max_duration;
 516   surf_storage_model->set_priority = storage_action_set_priority;
 517
 518   surf_storage_model->extension.storage.open = storage_action_open;
 519   surf_storage_model->extension.storage.close = storage_action_close;
 520   surf_storage_model->extension.storage.read = storage_action_read;
 521   surf_storage_model->extension.storage.write = storage_action_write;
 522   surf_storage_model->extension.storage.ls = storage_action_ls;
 523   surf_storage_model->extension.storage.get_properties = storage_get_properties;
 524   surf_storage_model->extension.storage.get_content = storage_get_content;
 525
 526   if (!storage_maxmin_system) {
 527     storage_maxmin_system = lmm_system_new(storage_selective_update);
 528   }
 529
 530 }
 531
 532 void surf_storage_model_init_default(void)
 533 {
 534   surf_storage_model_init_internal();
 535   storage_define_callbacks();
 536
 537   xbt_dynar_push(model_list, &surf_storage_model);
 538 }
 539
 540 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
 541 {
 542   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 543                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 544
 545   // Verification of an existing type_id
 546 #ifndef NDEBUG
 547   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 548 #endif
 549   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 550
 551   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 552       storage->id,
 553       storage->type_id,
 554       storage->content);
 555
 556   xbt_lib_set(storage_lib,
 557       storage->id,
 558       ROUTING_STORAGE_LEVEL,
 559       (void *) xbt_strdup(storage->type_id));
 560 }
 561
 562 static xbt_dict_t parse_storage_content(char *filename, sg_storage_size_t *used_size)
 563 {
 564   *used_size = 0;
 565   if ((!filename) || (strcmp(filename, "") == 0))
 566     return NULL;
 567
 568   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
 569   FILE *file = NULL;
 570
 571   file = surf_fopen(filename, "r");
 572   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
 573               xbt_str_join(surf_path, ":"));
 574
 575   char *line = NULL;
 576   size_t len = 0;
 577   ssize_t read;
 578   char path[1024];
 579   sg_storage_size_t size;
 580
 581   while ((read = xbt_getline(&line, &len, file)) != -1) {
 582     if (read){
 583     if(sscanf(line,"%s %zu",path, &size)==2) {
 584         *used_size += size;
 585         xbt_dict_set(parse_content,path,(void*) size,NULL);
 586       } else {
 587         xbt_die("Be sure of passing a good format for content file.\n");
 588       }
 589     }
 590   }
 591   free(line);
 592   fclose(file);
 593   return parse_content;
 594 }
 595
 596 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
 597 {
 598   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 599                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 600
 601   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 602   stype->model = xbt_strdup(storage_type->model);
 603   stype->properties = storage_type->properties;
 604   stype->content = xbt_strdup(storage_type->content);
 605   stype->content_type = xbt_strdup(storage_type->content_type);
 606   stype->type_id = xbt_strdup(storage_type->id);
 607   stype->size = storage_type->size;
 608
 609   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 610       "content '%s', and content_type '%s'",
 611       stype->type_id,
 612       stype->model,
 613       storage_type->content,
 614       storage_type->content_type);
 615
 616   xbt_lib_set(storage_type_lib,
 617       stype->type_id,
 618       ROUTING_STORAGE_TYPE_LEVEL,
 619       (void *) stype);
 620 }
 621 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 622 {
 623   THROW_UNIMPLEMENTED;
 624 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 625 //  mnt->id = xbt_strdup(mstorage->type_id);
 626 //  mnt->name = xbt_strdup(mstorage->name);
 627 //
 628 //  if(!mount_list){
 629 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 630 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 631 //  }
 632 //  xbt_dynar_push(mount_list,(void *) mnt);
 633 //  free(mnt->id);
 634 //  free(mnt->name);
 635 //  xbt_free(mnt);
 636 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 637 }
 638
 639 static void mount_free(void *p)
 640 {
 641   mount_t mnt = p;
 642   xbt_free(mnt->name);
 643 }
 644
 645 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
 646 {
 647   // Verification of an existing storage
 648 #ifndef NDEBUG
 649   void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId,ROUTING_STORAGE_LEVEL);
 650 #endif
 651   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
 652
 653   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 654
 655   s_mount_t mnt;
 656   mnt.storage =
 657     surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 658   mnt.name = xbt_strdup(mount->name);
 659
 660   if(!mount_list){
 661     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 662     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 663   }
 664   xbt_dynar_push(mount_list,&mnt);
 665 }
 666
 667 static XBT_INLINE void routing_storage_type_free(void *r)
 668 {
 669   storage_type_t stype = r;
 670   free(stype->model);
 671   free(stype->type_id);
 672   free(stype->content);
 673   free(stype->content_type);
 674   xbt_dict_free(&(stype->properties));
 675   free(stype);
 676 }
 677
 678 static XBT_INLINE void surf_storage_resource_free(void *r)
 679 {
 680   // specific to storage
 681   storage_t storage = r;
 682   xbt_dict_free(&storage->content);
 683   xbt_dynar_free(&storage->write_actions);
 684   free(storage->type_id);
 685   free(storage->content_type);
 686   // generic resource
 687   surf_resource_free(r);
 688 }
 689
 690 static XBT_INLINE void routing_storage_host_free(void *r)
 691 {
 692   xbt_dynar_t dyn = r;
 693   xbt_dynar_free(&dyn);
 694 }
 695
 696 void storage_register_callbacks() {
 697
 698   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
 699   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
 700   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
 701   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
 702
 703   sg_platf_storage_add_cb(storage_parse_storage);
 704   sg_platf_mstorage_add_cb(storage_parse_mstorage);
 705   sg_platf_storage_type_add_cb(storage_parse_storage_type);
 706   sg_platf_mount_add_cb(storage_parse_mount);
 707 }
 708