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Platform generation : add the Barabasi-Albert algorithm to build the graph
[simgrid.git] / 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, double 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_unlink(void *storage, surf_file_t stream)
51 {
52   surf_action_t action = storage_action_execute(storage,0, UNLINK);
53
54   // Add memory to storage
55   ((storage_t)storage)->used_size -= stream->content->stat.size;
56
57   // Remove the file from storage
58   xbt_dict_t content_dict = ((storage_t)storage)->content;
59   xbt_dict_remove(content_dict,stream->name);
60
61   free(stream->name);
62   stream->content = NULL;
63   xbt_free(stream);
64
65   return action;
66 }
67
68 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
69 {
70   XBT_DEBUG("\tOpen file '%s'",path);
71   xbt_dict_t content_dict = ((storage_t)storage)->content;
72   surf_stat_t content = xbt_dict_get_or_null(content_dict,path);
73
74   // if file does not exist create an empty file
75   if(!content){
76     content = xbt_new0(s_surf_stat_t,1);
77     content->stat.date = xbt_strdup("");
78     content->stat.group = xbt_strdup("");
79     content->stat.size = 0;
80     content->stat.time = xbt_strdup("");
81     content->stat.user = xbt_strdup("");
82     content->stat.user_rights = xbt_strdup("");
83     xbt_dict_set(content_dict,path,content,NULL);
84     XBT_DEBUG("File '%s' was not found, file created.",path);
85   }
86   surf_file_t file = xbt_new0(s_surf_file_t,1);
87   file->name = xbt_strdup(path);
88   file->content = content;
89   file->storage = mount;
90
91   surf_action_t action = storage_action_execute(storage,0, OPEN);
92   action->file = (void *)file;
93   return action;
94 }
95
96 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
97 {
98   char *filename = fp->name;
99   XBT_DEBUG("\tClose file '%s' size '%f'",filename,fp->content->stat.size);
100   free(fp->name);
101   fp->content = NULL;
102   xbt_free(fp);
103   surf_action_t action = storage_action_execute(storage,0, CLOSE);
104   return action;
105 }
106
107 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
108 {
109   surf_stat_t content = stream->content;
110   if(size > content->stat.size)
111     size = content->stat.size;
112   surf_action_t action = storage_action_execute(storage,size,READ);
113   return action;
114 }
115
116 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
117 {
118   char *filename = stream->name;
119   surf_stat_t content = stream->content;
120   XBT_DEBUG("\tWrite file '%s' size '%zu/%f'",filename,size,content->stat.size);
121
122   surf_action_t action = storage_action_execute(storage,size,WRITE);
123   action->file = stream;
124
125   // If the storage is full
126   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
127     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
128   }
129   return action;
130 }
131
132 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
133 {
134   surf_action_storage_t action = NULL;
135   storage_t STORAGE = storage;
136
137   XBT_IN("(%s,%f)", surf_resource_name(STORAGE), size);
138   action =
139       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
140           STORAGE->state_current != SURF_RESOURCE_ON);
141
142   // Save the storage on action
143   action->storage = storage;
144   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
145                                                    calloc but it seems to help valgrind... */
146
147   GENERIC_LMM_ACTION(action).variable =
148       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
149
150   // Must be less than the max bandwidth for all actions
151   lmm_expand(storage_maxmin_system, STORAGE->constraint,
152              GENERIC_LMM_ACTION(action).variable, 1.0);
153
154   switch(type) {
155   case OPEN:
156   case CLOSE:
157   case STAT:
158   case UNLINK:
159     break;
160   case READ:
161     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
162                GENERIC_LMM_ACTION(action).variable, 1.0);
163     break;
164   case WRITE:
165     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
166                GENERIC_LMM_ACTION(action).variable, 1.0);
167     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
168     break;
169   }
170   action->type = type;
171   XBT_OUT();
172   return (surf_action_t) action;
173 }
174
175 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
176 {
177   storage_t storage = NULL;
178
179   xbt_assert(!surf_storage_resource_by_name(id),
180               "Storage '%s' declared several times in the platform file",
181               id);
182   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
183           surf_storage_model, id,NULL);
184
185   storage->state_current = SURF_RESOURCE_ON;
186   storage->used_size = 0;
187   storage->size = 0;
188   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
189
190   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
191   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
192   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
193   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
194   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
195   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
196   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
197   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
198   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
199   storage->size = storage_type->size;
200
201   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
202
203   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",
204       id,
205       model,
206       type_id,
207       storage_type->properties,
208       Bread);
209
210   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
211   xbt_dynar_push(storage_list,&storage);
212
213   return storage;
214 }
215
216 static void storage_finalize(void)
217 {
218   lmm_system_free(storage_maxmin_system);
219   storage_maxmin_system = NULL;
220
221   surf_model_exit(surf_storage_model);
222   surf_storage_model = NULL;
223
224   if(storage_list)
225     xbt_dynar_free(&storage_list);
226
227   xbt_swag_free
228       (storage_running_action_set_that_does_not_need_being_checked);
229   storage_running_action_set_that_does_not_need_being_checked = NULL;
230 }
231
232 static void storage_update_actions_state(double now, double delta)
233 {
234   surf_action_storage_t action = NULL;
235   surf_action_storage_t next_action = NULL;
236   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
237
238   // Update the disk usage
239   // Update the file size
240   // Foreach action of type write
241   xbt_swag_foreach_safe(action, next_action, running_actions) {
242     if(action->type == WRITE)
243     {
244       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
245       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
246       ((surf_action_t)action)->file->content->stat.size += delta * rate; // file size
247     }
248   }
249
250   xbt_swag_foreach_safe(action, next_action, running_actions) {
251
252     double_update(&(GENERIC_ACTION(action).remains),
253                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
254
255     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
256       double_update(&(GENERIC_ACTION(action).max_duration), delta);
257
258     if(GENERIC_ACTION(action).remains > 0 &&
259         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
260         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
261     {
262       GENERIC_ACTION(action).finish = surf_get_clock();
263       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
264     } else if ((GENERIC_ACTION(action).remains <= 0) &&
265         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
266     {
267       GENERIC_ACTION(action).finish = surf_get_clock();
268       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
269     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
270                (GENERIC_ACTION(action).max_duration <= 0))
271     {
272       GENERIC_ACTION(action).finish = surf_get_clock();
273       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
274     }
275   }
276
277   return;
278 }
279
280 static double storage_share_resources(double NOW)
281 {
282   XBT_DEBUG("storage_share_resources %f",NOW);
283   s_surf_action_storage_t action;
284   unsigned int i,j;
285   storage_t storage;
286   surf_action_storage_t write_action;
287
288   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
289       xbt_swag_offset(action, generic_lmm_action.variable),
290       storage_maxmin_system, lmm_solve);
291
292   double rate;
293   // Foreach disk
294   xbt_dynar_foreach(storage_list,i,storage)
295   {
296     rate = 0;
297     // Foreach write action on disk
298     xbt_dynar_foreach(storage->write_actions,j,write_action)
299     {
300       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
301     }
302     if(rate > 0)
303       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
304   }
305
306   return min_completion;
307 }
308
309 static int storage_resource_used(void *resource_id)
310 {
311   THROW_UNIMPLEMENTED;
312   return 0;
313 }
314
315 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
316                                  double value, double time)
317 {
318   THROW_UNIMPLEMENTED;
319 }
320
321 static int storage_action_unref(surf_action_t action)
322 {
323   action->refcount--;
324   if (!action->refcount) {
325     xbt_swag_remove(action, action->state_set);
326     if (((surf_action_lmm_t) action)->variable)
327       lmm_variable_free(storage_maxmin_system,
328                         ((surf_action_lmm_t) action)->variable);
329 #ifdef HAVE_TRACING
330     xbt_free(action->category);
331 #endif
332     surf_action_free(&action);
333     return 1;
334   }
335   return 0;
336 }
337
338 static void storage_action_cancel(surf_action_t action)
339 {
340   surf_action_state_set(action, SURF_ACTION_FAILED);
341   return;
342 }
343
344 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
345 {
346   surf_action_state_set(action, state);
347   return;
348 }
349
350 static void storage_action_suspend(surf_action_t action)
351 {
352   XBT_IN("(%p)", action);
353   if (((surf_action_lmm_t) action)->suspended != 2) {
354     lmm_update_variable_weight(storage_maxmin_system,
355                                ((surf_action_lmm_t) action)->variable,
356                                0.0);
357     ((surf_action_lmm_t) action)->suspended = 1;
358   }
359   XBT_OUT();
360 }
361
362 static void storage_action_resume(surf_action_t action)
363 {
364   THROW_UNIMPLEMENTED;
365 }
366
367 static int storage_action_is_suspended(surf_action_t action)
368 {
369   return (((surf_action_lmm_t) action)->suspended == 1);
370 }
371
372 static void storage_action_set_max_duration(surf_action_t action, double duration)
373 {
374   THROW_UNIMPLEMENTED;
375 }
376
377 static void storage_action_set_priority(surf_action_t action, double priority)
378 {
379   THROW_UNIMPLEMENTED;
380 }
381
382 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
383 {
384   void* stype = xbt_lib_get_or_null(storage_type_lib,
385                                     storage->type_id,
386                                     ROUTING_STORAGE_TYPE_LEVEL);
387   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
388
389   // if storage content is not specified use the content of storage_type if exist
390   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
391     storage->content = ((storage_type_t) stype)->content;
392     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
393   }
394
395   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",
396       storage->id,
397       ((storage_type_t) stype)->model,
398       ((storage_type_t) stype)->type_id,
399       storage->content,
400       ((storage_type_t) stype)->properties);
401
402   storage_create_resource(storage->id,
403      ((storage_type_t) stype)->model,
404      ((storage_type_t) stype)->type_id,
405      storage->content);
406 }
407
408 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
409 {
410   XBT_DEBUG("parse_mstorage_init");
411 }
412
413 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
414 {
415   XBT_DEBUG("parse_storage_type_init");
416 }
417
418 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
419 {
420   XBT_DEBUG("parse_mount_init");
421 }
422
423 static void storage_define_callbacks()
424 {
425   sg_platf_storage_add_cb(parse_storage_init);
426   sg_platf_storage_type_add_cb(parse_storage_type_init);
427   sg_platf_mstorage_add_cb(parse_mstorage_init);
428   sg_platf_mount_add_cb(parse_mount_init);
429 }
430
431 static void surf_storage_model_init_internal(void)
432 {
433   s_surf_action_t action;
434
435   XBT_DEBUG("surf_storage_model_init_internal");
436   surf_storage_model = surf_model_init();
437
438   storage_running_action_set_that_does_not_need_being_checked =
439       xbt_swag_new(xbt_swag_offset(action, state_hookup));
440
441   surf_storage_model->name = "Storage";
442   surf_storage_model->action_unref = storage_action_unref;
443   surf_storage_model->action_cancel = storage_action_cancel;
444   surf_storage_model->action_state_set = storage_action_state_set;
445
446   surf_storage_model->model_private->finalize = storage_finalize;
447   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
448   surf_storage_model->model_private->share_resources = storage_share_resources;
449   surf_storage_model->model_private->resource_used = storage_resource_used;
450   surf_storage_model->model_private->update_resource_state = storage_resources_state;
451
452   surf_storage_model->suspend = storage_action_suspend;
453   surf_storage_model->resume = storage_action_resume;
454   surf_storage_model->is_suspended = storage_action_is_suspended;
455   surf_storage_model->set_max_duration = storage_action_set_max_duration;
456   surf_storage_model->set_priority = storage_action_set_priority;
457
458   surf_storage_model->extension.storage.open = storage_action_open;
459   surf_storage_model->extension.storage.close = storage_action_close;
460   surf_storage_model->extension.storage.read = storage_action_read;
461   surf_storage_model->extension.storage.write = storage_action_write;
462   surf_storage_model->extension.storage.stat = storage_action_stat;
463   surf_storage_model->extension.storage.unlink = storage_action_unlink;
464   surf_storage_model->extension.storage.create_resource = storage_create_resource;
465
466   if (!storage_maxmin_system) {
467     storage_maxmin_system = lmm_system_new(storage_selective_update);
468   }
469
470 }
471
472 void surf_storage_model_init_default(void)
473 {
474   surf_storage_model_init_internal();
475   storage_define_callbacks();
476
477   xbt_dynar_push(model_list, &surf_storage_model);
478 }
479
480 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
481 {
482   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
483                "Reading a storage, processing unit \"%s\" already exists", storage->id);
484
485   // Verification of an existing type_id
486 #ifndef NDEBUG
487   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
488 #endif
489   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
490
491   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
492       storage->id,
493       storage->type_id,
494       storage->content);
495
496   xbt_lib_set(storage_lib,
497       storage->id,
498       ROUTING_STORAGE_LEVEL,
499       (void *) xbt_strdup(storage->type_id));
500 }
501
502 static void free_storage_content(void *p)
503 {
504   surf_stat_t content = p;
505   free(content->stat.date);
506   free(content->stat.group);
507   free(content->stat.time);
508   free(content->stat.user);
509   free(content->stat.user_rights);
510   free(content);
511 }
512
513 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
514 {
515   *used_size = 0;
516   if ((!filename) || (strcmp(filename, "") == 0))
517     return NULL;
518
519   xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
520   FILE *file = NULL;
521
522   file = surf_fopen(filename, "r");
523   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
524               xbt_str_join(surf_path, ":"));
525
526   char *line = NULL;
527   size_t len = 0;
528   ssize_t read;
529   char user_rights[12];
530   char user[100];
531   char group[100];
532   char date[12];
533   char time[12];
534   char path[1024];
535   int nb;
536   unsigned long size;
537
538   surf_stat_t content;
539
540   while ((read = getline(&line, &len, file)) != -1) {
541     content = xbt_new0(s_surf_stat_t,1);
542     if(sscanf(line,"%s %d %s %s %ld %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
543       content->stat.date = xbt_strdup(date);
544       content->stat.group = xbt_strdup(group);
545       content->stat.size = size;
546       content->stat.time = xbt_strdup(time);
547       content->stat.user = xbt_strdup(user);
548       content->stat.user_rights = xbt_strdup(user_rights);
549       *used_size += content->stat.size;
550       xbt_dict_set(parse_content,path,content,NULL);
551     } else {
552       xbt_die("Be sure of passing a good format for content file.\n");
553       // You can generate this kind of file with command line:
554       // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
555     }
556   }
557   if (line)
558       free(line);
559   fclose(file);
560   return parse_content;
561 }
562
563 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
564 {
565   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
566                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
567
568   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
569   stype->model = xbt_strdup(storage_type->model);
570   stype->properties = storage_type->properties;
571   stype->content = xbt_strdup(storage_type->content);
572   stype->type_id = xbt_strdup(storage_type->id);
573   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
574
575   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
576       stype->type_id,
577       stype->model,
578       storage_type->content);
579
580   xbt_lib_set(storage_type_lib,
581       stype->type_id,
582       ROUTING_STORAGE_TYPE_LEVEL,
583       (void *) stype);
584 }
585 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
586 {
587   THROW_UNIMPLEMENTED;
588 //  mount_t mnt = xbt_new0(s_mount_t, 1);
589 //  mnt->id = xbt_strdup(mstorage->type_id);
590 //  mnt->name = xbt_strdup(mstorage->name);
591 //
592 //  if(!mount_list){
593 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
594 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
595 //  }
596 //  xbt_dynar_push(mount_list,(void *) mnt);
597 //  free(mnt->id);
598 //  free(mnt->name);
599 //  xbt_free(mnt);
600 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
601 }
602
603 static void mount_free(void *p)
604 {
605   mount_t mnt = p;
606   xbt_free(mnt->name);
607 }
608
609 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
610 {
611   // Verification of an existing storage
612 #ifndef NDEBUG
613   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
614 #endif
615   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
616
617   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
618
619   s_mount_t mnt;
620   mnt.id = surf_storage_resource_by_name(mount->id);
621   mnt.name = xbt_strdup(mount->name);
622
623   if(!mount_list){
624     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
625     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
626   }
627   xbt_dynar_push(mount_list,&mnt);
628 }
629
630 static XBT_INLINE void routing_storage_type_free(void *r)
631 {
632   storage_type_t stype = r;
633   free(stype->model);
634   free(stype->type_id);
635   free(stype->content);
636   xbt_dict_free(&(stype->properties));
637   free(stype);
638 }
639
640 static XBT_INLINE void surf_storage_resource_free(void *r)
641 {
642   // specific to storage
643   storage_t storage = r;
644   xbt_dict_free(&storage->content);
645   xbt_dynar_free(&storage->write_actions);
646   // generic resource
647   surf_resource_free(r);
648 }
649
650 static XBT_INLINE void routing_storage_host_free(void *r)
651 {
652   xbt_dynar_t dyn = r;
653   xbt_dynar_free(&dyn);
654 }
655
656 void storage_register_callbacks() {
657
658   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
659   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
660   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
661   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
662
663   sg_platf_storage_add_cb(storage_parse_storage);
664   sg_platf_mstorage_add_cb(storage_parse_mstorage);
665   sg_platf_storage_type_add_cb(storage_parse_storage_type);
666   sg_platf_mount_add_cb(storage_parse_mount);
667 }