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[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 "portable.h"
10 #include "surf_private.h"
11 #include "storage_private.h"
12 #include "surf/surf_resource.h"
13
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
15                                 "Logging specific to the SURF storage module");
16
17 xbt_lib_t storage_lib;
18 int ROUTING_STORAGE_LEVEL;      //Routing for storagelevel
19 int ROUTING_STORAGE_HOST_LEVEL;
20 int SURF_STORAGE_LEVEL;
21 xbt_lib_t storage_type_lib;
22 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
23
24 xbt_dynar_t mount_list = NULL;  /* temporary store of current mount storage */
25
26 surf_model_t surf_storage_model = NULL;
27 lmm_system_t storage_maxmin_system = NULL;
28 static int storage_selective_update = 0;
29 static xbt_swag_t
30     storage_running_action_set_that_does_not_need_being_checked = NULL;
31
32 static xbt_dynar_t storage_list;
33
34 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
35 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
36
37 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
38 static int storage_action_unref(surf_action_t action);
39 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
40 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type);
41
42 static surf_action_t storage_action_ls(void *storage, const char* path)
43 {
44   surf_action_t action = storage_action_execute(storage,0, LS);
45   action->ls_dict = NULL;
46   xbt_dict_t ls_dict = xbt_dict_new();
47
48   char* key;
49   unsigned long size = 0;
50   xbt_dict_cursor_t cursor = NULL;
51
52   xbt_dynar_t dyn = NULL;
53   char* file = NULL;
54
55   // for each file in the storage content
56   xbt_dict_foreach(((storage_t)storage)->content,cursor,key,size){
57     // Search if file start with the prefix 'path'
58     if(xbt_str_start_with(key,path)){
59       file = &key[strlen(path)];
60
61       // Split file with '/'
62       dyn = xbt_str_split(file,"/");
63       file = xbt_dynar_get_as(dyn,0,char*);
64
65       // file
66       if(xbt_dynar_length(dyn) == 1){
67         xbt_dict_set(ls_dict,file,&size,NULL);
68       }
69       // Directory
70       else
71       {
72         // if directory does not exist yet in the dictionary
73         if(!xbt_dict_get_or_null(ls_dict,file))
74           xbt_dict_set(ls_dict,file,NULL,NULL);
75       }
76       xbt_dynar_free(&dyn);
77     }
78   }
79
80   action->ls_dict = ls_dict;
81   return action;
82 }
83
84 static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
85 {
86   surf_action_t action = storage_action_execute(storage,0, UNLINK);
87
88   // Add memory to storage
89   ((storage_t)storage)->used_size -= stream->size;
90
91   // Remove the file from storage
92   xbt_dict_t content_dict = ((storage_t)storage)->content;
93   xbt_dict_remove(content_dict,stream->name);
94
95   free(stream->name);
96   xbt_free(stream);
97
98   return action;
99 }
100
101 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
102 {
103   XBT_DEBUG("\tOpen file '%s'",path);
104   xbt_dict_t content_dict = ((storage_t)storage)->content;
105   size_t size = (size_t) xbt_dict_get_or_null(content_dict,path);
106   // if file does not exist create an empty file
107   if(!size){
108     xbt_dict_set(content_dict,path,&size,NULL);
109     XBT_DEBUG("File '%s' was not found, file created.",path);
110   }
111   surf_file_t file = xbt_new0(s_surf_file_t,1);
112   file->name = xbt_strdup(path);
113   file->size = size;
114   file->storage = mount;
115
116   surf_action_t action = storage_action_execute(storage,0, OPEN);
117   action->file = (void *)file;
118   return action;
119 }
120
121 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
122 {
123   char *filename = fp->name;
124   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fp->size);
125   // unref write actions from storage
126   surf_action_storage_t write_action;
127   unsigned int i;
128   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
129     if ((write_action->generic_lmm_action.generic_action.file) == fp) {
130       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
131       storage_action_unref((surf_action_t) write_action);
132     }
133   }
134
135   free(fp->name);
136   xbt_free(fp);
137   surf_action_t action = storage_action_execute(storage,0, CLOSE);
138   return action;
139 }
140
141 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
142 {
143   if(size > stream->size)
144     size = stream->size;
145   surf_action_t action = storage_action_execute(storage,size,READ);
146   return action;
147 }
148
149 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
150 {
151   char *filename = stream->name;
152   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
153
154   surf_action_t action = storage_action_execute(storage,size,WRITE);
155   action->file = stream;
156
157   // If the storage is full
158   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
159     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
160   }
161   return action;
162 }
163
164 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
165 {
166   surf_action_storage_t action = NULL;
167   storage_t STORAGE = storage;
168
169   XBT_IN("(%s,%f", surf_resource_name(STORAGE), size);
170   action =
171       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
172           STORAGE->state_current != SURF_RESOURCE_ON);
173
174   // Save the storage on action
175   action->storage = storage;
176   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
177                                                    calloc but it seems to help valgrind... */
178
179   GENERIC_LMM_ACTION(action).variable =
180       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
181
182   // Must be less than the max bandwidth for all actions
183   lmm_expand(storage_maxmin_system, STORAGE->constraint,
184              GENERIC_LMM_ACTION(action).variable, 1.0);
185
186   switch(type) {
187   case OPEN:
188   case CLOSE:
189   case STAT:
190   case UNLINK:
191   case LS:
192     break;
193   case READ:
194     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
195                GENERIC_LMM_ACTION(action).variable, 1.0);
196     break;
197   case WRITE:
198     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
199                GENERIC_LMM_ACTION(action).variable, 1.0);
200     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
201     surf_action_ref((surf_action_t) action);
202     break;
203   }
204   action->type = type;
205   XBT_OUT();
206   return (surf_action_t) action;
207 }
208
209 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
210 {
211   storage_t storage = NULL;
212
213   xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
214               "Storage '%s' declared several times in the platform file",
215               id);
216   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
217           surf_storage_model, id,NULL);
218
219   storage->state_current = SURF_RESOURCE_ON;
220   storage->used_size = 0;
221   storage->size = 0;
222   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
223
224   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
225   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
226   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
227   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
228   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
229   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
230   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
231   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
232   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
233   storage->size = storage_type->size;
234
235   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
236
237   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",
238       id,
239       model,
240       type_id,
241       storage_type->properties,
242       Bread);
243
244   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
245   xbt_dynar_push(storage_list,&storage);
246
247   return storage;
248 }
249
250 static void storage_finalize(void)
251 {
252   lmm_system_free(storage_maxmin_system);
253   storage_maxmin_system = NULL;
254
255   surf_model_exit(surf_storage_model);
256   surf_storage_model = NULL;
257
258   xbt_dynar_free(&storage_list);
259
260   xbt_swag_free
261       (storage_running_action_set_that_does_not_need_being_checked);
262   storage_running_action_set_that_does_not_need_being_checked = NULL;
263 }
264
265 static void storage_update_actions_state(double now, double delta)
266 {
267   surf_action_storage_t action = NULL;
268   surf_action_storage_t next_action = NULL;
269   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
270
271   // Update the disk usage
272   // Update the file size
273   // For each action of type write
274   xbt_swag_foreach_safe(action, next_action, running_actions) {
275     if(action->type == WRITE)
276     {
277       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
278       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
279       ((surf_action_t)action)->file->size += delta * rate; // file size
280     }
281   }
282
283   xbt_swag_foreach_safe(action, next_action, running_actions) {
284
285     double_update(&(GENERIC_ACTION(action).remains),
286                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
287
288     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
289       double_update(&(GENERIC_ACTION(action).max_duration), delta);
290
291     if(GENERIC_ACTION(action).remains > 0 &&
292         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
293         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
294     {
295       GENERIC_ACTION(action).finish = surf_get_clock();
296       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
297     } else if ((GENERIC_ACTION(action).remains <= 0) &&
298         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
299     {
300       GENERIC_ACTION(action).finish = surf_get_clock();
301       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
302     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
303                (GENERIC_ACTION(action).max_duration <= 0))
304     {
305       GENERIC_ACTION(action).finish = surf_get_clock();
306       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
307     }
308   }
309
310   return;
311 }
312
313 static double storage_share_resources(double NOW)
314 {
315   XBT_DEBUG("storage_share_resources %f",NOW);
316   s_surf_action_storage_t action;
317   unsigned int i,j;
318   storage_t storage;
319   surf_action_storage_t write_action;
320
321   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
322       xbt_swag_offset(action, generic_lmm_action.variable),
323       storage_maxmin_system, lmm_solve);
324
325   double rate;
326   // Foreach disk
327   xbt_dynar_foreach(storage_list,i,storage)
328   {
329     rate = 0;
330     // Foreach write action on disk
331     xbt_dynar_foreach(storage->write_actions,j,write_action)
332     {
333       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
334     }
335     if(rate > 0)
336       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
337   }
338
339   return min_completion;
340 }
341
342 static int storage_resource_used(void *resource_id)
343 {
344   THROW_UNIMPLEMENTED;
345   return 0;
346 }
347
348 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
349                                  double value, double time)
350 {
351   THROW_UNIMPLEMENTED;
352 }
353
354 static int storage_action_unref(surf_action_t action)
355 {
356   action->refcount--;
357   if (!action->refcount) {
358     xbt_swag_remove(action, action->state_set);
359     if (((surf_action_lmm_t) action)->variable)
360       lmm_variable_free(storage_maxmin_system,
361                         ((surf_action_lmm_t) action)->variable);
362 #ifdef HAVE_TRACING
363     xbt_free(action->category);
364 #endif
365     surf_action_free(&action);
366     return 1;
367   }
368   return 0;
369 }
370
371 static void storage_action_cancel(surf_action_t action)
372 {
373   surf_action_state_set(action, SURF_ACTION_FAILED);
374   return;
375 }
376
377 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
378 {
379   surf_action_state_set(action, state);
380   return;
381 }
382
383 static void storage_action_suspend(surf_action_t action)
384 {
385   XBT_IN("(%p)", action);
386   if (((surf_action_lmm_t) action)->suspended != 2) {
387     lmm_update_variable_weight(storage_maxmin_system,
388                                ((surf_action_lmm_t) action)->variable,
389                                0.0);
390     ((surf_action_lmm_t) action)->suspended = 1;
391   }
392   XBT_OUT();
393 }
394
395 static void storage_action_resume(surf_action_t action)
396 {
397   THROW_UNIMPLEMENTED;
398 }
399
400 static int storage_action_is_suspended(surf_action_t action)
401 {
402   return (((surf_action_lmm_t) action)->suspended == 1);
403 }
404
405 static void storage_action_set_max_duration(surf_action_t action, double duration)
406 {
407   THROW_UNIMPLEMENTED;
408 }
409
410 static void storage_action_set_priority(surf_action_t action, double priority)
411 {
412   THROW_UNIMPLEMENTED;
413 }
414
415 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
416 {
417   void* stype = xbt_lib_get_or_null(storage_type_lib,
418                                     storage->type_id,
419                                     ROUTING_STORAGE_TYPE_LEVEL);
420   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
421
422   // if storage content is not specified use the content of storage_type if exist
423   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
424     storage->content = ((storage_type_t) stype)->content;
425     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
426   }
427
428   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",
429       storage->id,
430       ((storage_type_t) stype)->model,
431       ((storage_type_t) stype)->type_id,
432       storage->content,
433       ((storage_type_t) stype)->properties);
434
435   storage_create_resource(storage->id,
436      ((storage_type_t) stype)->model,
437      ((storage_type_t) stype)->type_id,
438      storage->content);
439 }
440
441 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
442 {
443   XBT_DEBUG("parse_mstorage_init");
444 }
445
446 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
447 {
448   XBT_DEBUG("parse_storage_type_init");
449 }
450
451 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
452 {
453   XBT_DEBUG("parse_mount_init");
454 }
455
456 static void storage_define_callbacks()
457 {
458   sg_platf_storage_add_cb(parse_storage_init);
459   sg_platf_storage_type_add_cb(parse_storage_type_init);
460   sg_platf_mstorage_add_cb(parse_mstorage_init);
461   sg_platf_mount_add_cb(parse_mount_init);
462 }
463
464 static void surf_storage_model_init_internal(void)
465 {
466   s_surf_action_t action;
467
468   XBT_DEBUG("surf_storage_model_init_internal");
469   surf_storage_model = surf_model_init();
470
471   storage_running_action_set_that_does_not_need_being_checked =
472       xbt_swag_new(xbt_swag_offset(action, state_hookup));
473
474   surf_storage_model->name = "Storage";
475   surf_storage_model->action_unref = storage_action_unref;
476   surf_storage_model->action_cancel = storage_action_cancel;
477   surf_storage_model->action_state_set = storage_action_state_set;
478
479   surf_storage_model->model_private->finalize = storage_finalize;
480   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
481   surf_storage_model->model_private->share_resources = storage_share_resources;
482   surf_storage_model->model_private->resource_used = storage_resource_used;
483   surf_storage_model->model_private->update_resource_state = storage_resources_state;
484
485   surf_storage_model->suspend = storage_action_suspend;
486   surf_storage_model->resume = storage_action_resume;
487   surf_storage_model->is_suspended = storage_action_is_suspended;
488   surf_storage_model->set_max_duration = storage_action_set_max_duration;
489   surf_storage_model->set_priority = storage_action_set_priority;
490
491   surf_storage_model->extension.storage.open = storage_action_open;
492   surf_storage_model->extension.storage.close = storage_action_close;
493   surf_storage_model->extension.storage.read = storage_action_read;
494   surf_storage_model->extension.storage.write = storage_action_write;
495   surf_storage_model->extension.storage.unlink = storage_action_unlink;
496   surf_storage_model->extension.storage.ls = storage_action_ls;
497
498   if (!storage_maxmin_system) {
499     storage_maxmin_system = lmm_system_new(storage_selective_update);
500   }
501
502 }
503
504 void surf_storage_model_init_default(void)
505 {
506   surf_storage_model_init_internal();
507   storage_define_callbacks();
508
509   xbt_dynar_push(model_list, &surf_storage_model);
510 }
511
512 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
513 {
514   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
515                "Reading a storage, processing unit \"%s\" already exists", storage->id);
516
517   // Verification of an existing type_id
518 #ifndef NDEBUG
519   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
520 #endif
521   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
522
523   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
524       storage->id,
525       storage->type_id,
526       storage->content);
527
528   xbt_lib_set(storage_lib,
529       storage->id,
530       ROUTING_STORAGE_LEVEL,
531       (void *) xbt_strdup(storage->type_id));
532 }
533
534 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
535 {
536   *used_size = 0;
537   if ((!filename) || (strcmp(filename, "") == 0))
538     return NULL;
539
540   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
541   FILE *file = NULL;
542
543   file = surf_fopen(filename, "r");
544   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
545               xbt_str_join(surf_path, ":"));
546
547   char *line = NULL;
548   size_t len = 0;
549   ssize_t read;
550   char path[1024];
551   unsigned long size;
552
553
554   while ((read = xbt_getline(&line, &len, file)) != -1) {
555     if (read){
556     if(sscanf(line,"%s %ld",path, &size)==2) {
557         *used_size += size;
558         xbt_dict_set(parse_content,path,(void*) size,NULL);
559       } else {
560         xbt_die("Be sure of passing a good format for content file.\n");
561       }
562     }
563   }
564   free(line);
565   fclose(file);
566   return parse_content;
567 }
568
569 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
570 {
571   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
572                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
573
574   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
575   stype->model = xbt_strdup(storage_type->model);
576   stype->properties = storage_type->properties;
577   stype->content = xbt_strdup(storage_type->content);
578   stype->type_id = xbt_strdup(storage_type->id);
579   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
580
581   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
582       stype->type_id,
583       stype->model,
584       storage_type->content);
585
586   xbt_lib_set(storage_type_lib,
587       stype->type_id,
588       ROUTING_STORAGE_TYPE_LEVEL,
589       (void *) stype);
590 }
591 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
592 {
593   THROW_UNIMPLEMENTED;
594 //  mount_t mnt = xbt_new0(s_mount_t, 1);
595 //  mnt->id = xbt_strdup(mstorage->type_id);
596 //  mnt->name = xbt_strdup(mstorage->name);
597 //
598 //  if(!mount_list){
599 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
600 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
601 //  }
602 //  xbt_dynar_push(mount_list,(void *) mnt);
603 //  free(mnt->id);
604 //  free(mnt->name);
605 //  xbt_free(mnt);
606 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
607 }
608
609 static void mount_free(void *p)
610 {
611   mount_t mnt = p;
612   xbt_free(mnt->name);
613 }
614
615 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
616 {
617   // Verification of an existing storage
618 #ifndef NDEBUG
619   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
620 #endif
621   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
622
623   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
624
625   s_mount_t mnt;
626   mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id));
627   mnt.name = xbt_strdup(mount->name);
628
629   if(!mount_list){
630     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
631     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
632   }
633   xbt_dynar_push(mount_list,&mnt);
634 }
635
636 static XBT_INLINE void routing_storage_type_free(void *r)
637 {
638   storage_type_t stype = r;
639   free(stype->model);
640   free(stype->type_id);
641   free(stype->content);
642   xbt_dict_free(&(stype->properties));
643   free(stype);
644 }
645
646 static XBT_INLINE void surf_storage_resource_free(void *r)
647 {
648   // specific to storage
649   storage_t storage = r;
650   xbt_dict_free(&storage->content);
651   xbt_dynar_free(&storage->write_actions);
652   // generic resource
653   surf_resource_free(r);
654 }
655
656 static XBT_INLINE void routing_storage_host_free(void *r)
657 {
658   xbt_dynar_t dyn = r;
659   xbt_dynar_free(&dyn);
660 }
661
662 void storage_register_callbacks() {
663
664   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
665   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
666   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
667   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
668
669   sg_platf_storage_add_cb(storage_parse_storage);
670   sg_platf_mstorage_add_cb(storage_parse_mstorage);
671   sg_platf_storage_type_add_cb(storage_parse_storage_type);
672   sg_platf_mount_add_cb(storage_parse_mount);
673 }