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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_get_size(void *storage, surf_file_t stream)
85 {
86   surf_action_t action = storage_action_execute(storage,0,GET_SIZE);
87   action->file = stream;
88   return action;
89 }
90
91 static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
92 {
93   surf_action_t action = storage_action_execute(storage,0, UNLINK);
94
95   // Add memory to storage
96   ((storage_t)storage)->used_size -= stream->size;
97
98   // Remove the file from storage
99   xbt_dict_t content_dict = ((storage_t)storage)->content;
100   xbt_dict_remove(content_dict,stream->name);
101
102   free(stream->name);
103   xbt_free(stream);
104
105   return action;
106 }
107
108 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
109 {
110   XBT_DEBUG("\tOpen file '%s'",path);
111   xbt_dict_t content_dict = ((storage_t)storage)->content;
112   size_t size = (size_t) xbt_dict_get_or_null(content_dict,path);
113   // if file does not exist create an empty file
114   if(!size){
115     xbt_dict_set(content_dict,path,&size,NULL);
116     XBT_DEBUG("File '%s' was not found, file created.",path);
117   }
118   surf_file_t file = xbt_new0(s_surf_file_t,1);
119   file->name = xbt_strdup(path);
120   file->size = size;
121   file->storage = mount;
122
123   surf_action_t action = storage_action_execute(storage,0, OPEN);
124   action->file = (void *)file;
125   return action;
126 }
127
128 static surf_action_t storage_action_close(void *storage, surf_file_t fd)
129 {
130   char *filename = fd->name;
131   XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fd->size);
132   // unref write actions from storage
133   surf_action_storage_t write_action;
134   unsigned int i;
135   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
136     if ((write_action->generic_lmm_action.generic_action.file) == fd) {
137       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
138       storage_action_unref((surf_action_t) write_action);
139     }
140   }
141
142   free(fd->name);
143   xbt_free(fd);
144   surf_action_t action = storage_action_execute(storage,0, CLOSE);
145   return action;
146 }
147
148 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
149 {
150   if(size > stream->size)
151     size = stream->size;
152   surf_action_t action = storage_action_execute(storage,size,READ);
153   return action;
154 }
155
156 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
157 {
158   char *filename = stream->name;
159   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
160
161   surf_action_t action = storage_action_execute(storage,size,WRITE);
162   action->file = stream;
163
164   // If the storage is full
165   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
166     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
167   }
168   return action;
169 }
170
171 static surf_action_t storage_action_execute (void *storage, double size, e_surf_action_storage_type_t type)
172 {
173   surf_action_storage_t action = NULL;
174   storage_t STORAGE = storage;
175
176   XBT_IN("(%s,%f", surf_resource_name(STORAGE), size);
177   action =
178       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
179           STORAGE->state_current != SURF_RESOURCE_ON);
180
181   // Save the storage on action
182   action->storage = storage;
183   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
184                                                    calloc but it seems to help valgrind... */
185
186   GENERIC_LMM_ACTION(action).variable =
187       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
188
189   // Must be less than the max bandwidth for all actions
190   lmm_expand(storage_maxmin_system, STORAGE->constraint,
191              GENERIC_LMM_ACTION(action).variable, 1.0);
192
193   switch(type) {
194   case OPEN:
195   case CLOSE:
196   case STAT:
197   case UNLINK:
198   case LS:
199   case GET_SIZE:
200     break;
201   case READ:
202     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
203                GENERIC_LMM_ACTION(action).variable, 1.0);
204     break;
205   case WRITE:
206     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
207                GENERIC_LMM_ACTION(action).variable, 1.0);
208     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
209     surf_action_ref((surf_action_t) action);
210     break;
211   }
212   action->type = type;
213   XBT_OUT();
214   return (surf_action_t) action;
215 }
216
217 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
218 {
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,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  = atof(xbt_dict_get(storage_type->properties,"Bread"));
234   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
235   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
236   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
237   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
238   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
239   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
240   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
241   storage->size = storage_type->size;
242
243   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
244
245   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",
246       id,
247       model,
248       type_id,
249       storage_type->properties,
250       Bread);
251
252   if(!storage_list) storage_list=xbt_dynar_new(sizeof(char *),NULL);
253   xbt_dynar_push(storage_list,&storage);
254
255   return storage;
256 }
257
258 static void storage_finalize(void)
259 {
260   lmm_system_free(storage_maxmin_system);
261   storage_maxmin_system = NULL;
262
263   surf_model_exit(surf_storage_model);
264   surf_storage_model = NULL;
265
266   xbt_dynar_free(&storage_list);
267
268   xbt_swag_free
269       (storage_running_action_set_that_does_not_need_being_checked);
270   storage_running_action_set_that_does_not_need_being_checked = NULL;
271 }
272
273 static void storage_update_actions_state(double now, double delta)
274 {
275   surf_action_storage_t action = NULL;
276   surf_action_storage_t next_action = NULL;
277   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
278
279   // Update the disk usage
280   // Update the file size
281   // For each action of type write
282   xbt_swag_foreach_safe(action, next_action, running_actions) {
283     if(action->type == WRITE)
284     {
285       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
286       ((storage_t)(action->storage))->used_size += delta * rate; // disk usage
287       ((surf_action_t)action)->file->size += delta * rate; // file size
288     }
289   }
290
291   xbt_swag_foreach_safe(action, next_action, running_actions) {
292
293     double_update(&(GENERIC_ACTION(action).remains),
294                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
295
296     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
297       double_update(&(GENERIC_ACTION(action).max_duration), delta);
298
299     if(GENERIC_ACTION(action).remains > 0 &&
300         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
301         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
302     {
303       GENERIC_ACTION(action).finish = surf_get_clock();
304       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
305     } else if ((GENERIC_ACTION(action).remains <= 0) &&
306         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
307     {
308       GENERIC_ACTION(action).finish = surf_get_clock();
309       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
310     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
311                (GENERIC_ACTION(action).max_duration <= 0))
312     {
313       GENERIC_ACTION(action).finish = surf_get_clock();
314       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
315     }
316   }
317
318   return;
319 }
320
321 static double storage_share_resources(double NOW)
322 {
323   XBT_DEBUG("storage_share_resources %f",NOW);
324   s_surf_action_storage_t action;
325   unsigned int i,j;
326   storage_t storage;
327   surf_action_storage_t write_action;
328
329   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
330       xbt_swag_offset(action, generic_lmm_action.variable),
331       storage_maxmin_system, lmm_solve);
332
333   double rate;
334   // Foreach disk
335   xbt_dynar_foreach(storage_list,i,storage)
336   {
337     rate = 0;
338     // Foreach write action on disk
339     xbt_dynar_foreach(storage->write_actions,j,write_action)
340     {
341       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
342     }
343     if(rate > 0)
344       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
345   }
346
347   return min_completion;
348 }
349
350 static int storage_resource_used(void *resource_id)
351 {
352   THROW_UNIMPLEMENTED;
353   return 0;
354 }
355
356 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
357                                  double value, double time)
358 {
359   THROW_UNIMPLEMENTED;
360 }
361
362 static int storage_action_unref(surf_action_t action)
363 {
364   action->refcount--;
365   if (!action->refcount) {
366     xbt_swag_remove(action, action->state_set);
367     if (((surf_action_lmm_t) action)->variable)
368       lmm_variable_free(storage_maxmin_system,
369                         ((surf_action_lmm_t) action)->variable);
370 #ifdef HAVE_TRACING
371     xbt_free(action->category);
372 #endif
373     surf_action_free(&action);
374     return 1;
375   }
376   return 0;
377 }
378
379 static void storage_action_cancel(surf_action_t action)
380 {
381   surf_action_state_set(action, SURF_ACTION_FAILED);
382   return;
383 }
384
385 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
386 {
387   surf_action_state_set(action, state);
388   return;
389 }
390
391 static void storage_action_suspend(surf_action_t action)
392 {
393   XBT_IN("(%p)", action);
394   if (((surf_action_lmm_t) action)->suspended != 2) {
395     lmm_update_variable_weight(storage_maxmin_system,
396                                ((surf_action_lmm_t) action)->variable,
397                                0.0);
398     ((surf_action_lmm_t) action)->suspended = 1;
399   }
400   XBT_OUT();
401 }
402
403 static void storage_action_resume(surf_action_t action)
404 {
405   THROW_UNIMPLEMENTED;
406 }
407
408 static int storage_action_is_suspended(surf_action_t action)
409 {
410   return (((surf_action_lmm_t) action)->suspended == 1);
411 }
412
413 static void storage_action_set_max_duration(surf_action_t action, double duration)
414 {
415   THROW_UNIMPLEMENTED;
416 }
417
418 static void storage_action_set_priority(surf_action_t action, double priority)
419 {
420   THROW_UNIMPLEMENTED;
421 }
422
423 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
424 {
425   void* stype = xbt_lib_get_or_null(storage_type_lib,
426                                     storage->type_id,
427                                     ROUTING_STORAGE_TYPE_LEVEL);
428   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
429
430   // if storage content is not specified use the content of storage_type if exist
431   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
432     storage->content = ((storage_type_t) stype)->content;
433     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
434   }
435
436   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",
437       storage->id,
438       ((storage_type_t) stype)->model,
439       ((storage_type_t) stype)->type_id,
440       storage->content,
441       ((storage_type_t) stype)->properties);
442
443   storage_create_resource(storage->id,
444      ((storage_type_t) stype)->model,
445      ((storage_type_t) stype)->type_id,
446      storage->content);
447 }
448
449 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
450 {
451   XBT_DEBUG("parse_mstorage_init");
452 }
453
454 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
455 {
456   XBT_DEBUG("parse_storage_type_init");
457 }
458
459 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
460 {
461   XBT_DEBUG("parse_mount_init");
462 }
463
464 static void storage_define_callbacks()
465 {
466   sg_platf_storage_add_cb(parse_storage_init);
467   sg_platf_storage_type_add_cb(parse_storage_type_init);
468   sg_platf_mstorage_add_cb(parse_mstorage_init);
469   sg_platf_mount_add_cb(parse_mount_init);
470 }
471
472 static void surf_storage_model_init_internal(void)
473 {
474   s_surf_action_t action;
475
476   XBT_DEBUG("surf_storage_model_init_internal");
477   surf_storage_model = surf_model_init();
478
479   storage_running_action_set_that_does_not_need_being_checked =
480       xbt_swag_new(xbt_swag_offset(action, state_hookup));
481
482   surf_storage_model->name = "Storage";
483   surf_storage_model->action_unref = storage_action_unref;
484   surf_storage_model->action_cancel = storage_action_cancel;
485   surf_storage_model->action_state_set = storage_action_state_set;
486
487   surf_storage_model->model_private->finalize = storage_finalize;
488   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
489   surf_storage_model->model_private->share_resources = storage_share_resources;
490   surf_storage_model->model_private->resource_used = storage_resource_used;
491   surf_storage_model->model_private->update_resource_state = storage_resources_state;
492
493   surf_storage_model->suspend = storage_action_suspend;
494   surf_storage_model->resume = storage_action_resume;
495   surf_storage_model->is_suspended = storage_action_is_suspended;
496   surf_storage_model->set_max_duration = storage_action_set_max_duration;
497   surf_storage_model->set_priority = storage_action_set_priority;
498
499   surf_storage_model->extension.storage.open = storage_action_open;
500   surf_storage_model->extension.storage.close = storage_action_close;
501   surf_storage_model->extension.storage.read = storage_action_read;
502   surf_storage_model->extension.storage.write = storage_action_write;
503   surf_storage_model->extension.storage.unlink = storage_action_unlink;
504   surf_storage_model->extension.storage.ls = storage_action_ls;
505   surf_storage_model->extension.storage.get_size = storage_action_get_size;
506
507   if (!storage_maxmin_system) {
508     storage_maxmin_system = lmm_system_new(storage_selective_update);
509   }
510
511 }
512
513 void surf_storage_model_init_default(void)
514 {
515   surf_storage_model_init_internal();
516   storage_define_callbacks();
517
518   xbt_dynar_push(model_list, &surf_storage_model);
519 }
520
521 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
522 {
523   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
524                "Reading a storage, processing unit \"%s\" already exists", storage->id);
525
526   // Verification of an existing type_id
527 #ifndef NDEBUG
528   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
529 #endif
530   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
531
532   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
533       storage->id,
534       storage->type_id,
535       storage->content);
536
537   xbt_lib_set(storage_lib,
538       storage->id,
539       ROUTING_STORAGE_LEVEL,
540       (void *) xbt_strdup(storage->type_id));
541 }
542
543 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
544 {
545   *used_size = 0;
546   if ((!filename) || (strcmp(filename, "") == 0))
547     return NULL;
548
549   xbt_dict_t parse_content = xbt_dict_new_homogeneous(NULL);
550   FILE *file = NULL;
551
552   file = surf_fopen(filename, "r");
553   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
554               xbt_str_join(surf_path, ":"));
555
556   char *line = NULL;
557   size_t len = 0;
558   ssize_t read;
559   char path[1024];
560   unsigned long size;
561
562
563   while ((read = xbt_getline(&line, &len, file)) != -1) {
564     if (read){
565     if(sscanf(line,"%s %ld",path, &size)==2) {
566         *used_size += size;
567         xbt_dict_set(parse_content,path,(void*) size,NULL);
568       } else {
569         xbt_die("Be sure of passing a good format for content file.\n");
570       }
571     }
572   }
573   free(line);
574   fclose(file);
575   return parse_content;
576 }
577
578 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
579 {
580   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
581                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
582
583   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
584   stype->model = xbt_strdup(storage_type->model);
585   stype->properties = storage_type->properties;
586   stype->content = xbt_strdup(storage_type->content);
587   stype->type_id = xbt_strdup(storage_type->id);
588   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
589
590   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
591       stype->type_id,
592       stype->model,
593       storage_type->content);
594
595   xbt_lib_set(storage_type_lib,
596       stype->type_id,
597       ROUTING_STORAGE_TYPE_LEVEL,
598       (void *) stype);
599 }
600 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
601 {
602   THROW_UNIMPLEMENTED;
603 //  mount_t mnt = xbt_new0(s_mount_t, 1);
604 //  mnt->id = xbt_strdup(mstorage->type_id);
605 //  mnt->name = xbt_strdup(mstorage->name);
606 //
607 //  if(!mount_list){
608 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
609 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
610 //  }
611 //  xbt_dynar_push(mount_list,(void *) mnt);
612 //  free(mnt->id);
613 //  free(mnt->name);
614 //  xbt_free(mnt);
615 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
616 }
617
618 static void mount_free(void *p)
619 {
620   mount_t mnt = p;
621   xbt_free(mnt->name);
622 }
623
624 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
625 {
626   // Verification of an existing storage
627 #ifndef NDEBUG
628   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
629 #endif
630   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
631
632   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
633
634   s_mount_t mnt;
635   mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id));
636   mnt.name = xbt_strdup(mount->name);
637
638   if(!mount_list){
639     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
640     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
641   }
642   xbt_dynar_push(mount_list,&mnt);
643 }
644
645 static XBT_INLINE void routing_storage_type_free(void *r)
646 {
647   storage_type_t stype = r;
648   free(stype->model);
649   free(stype->type_id);
650   free(stype->content);
651   xbt_dict_free(&(stype->properties));
652   free(stype);
653 }
654
655 static XBT_INLINE void surf_storage_resource_free(void *r)
656 {
657   // specific to storage
658   storage_t storage = r;
659   xbt_dict_free(&storage->content);
660   xbt_dynar_free(&storage->write_actions);
661   // generic resource
662   surf_resource_free(r);
663 }
664
665 static XBT_INLINE void routing_storage_host_free(void *r)
666 {
667   xbt_dynar_t dyn = r;
668   xbt_dynar_free(&dyn);
669 }
670
671 void storage_register_callbacks() {
672
673   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
674   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
675   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
676   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
677
678   sg_platf_storage_add_cb(storage_parse_storage);
679   sg_platf_mstorage_add_cb(storage_parse_mstorage);
680   sg_platf_storage_type_add_cb(storage_parse_storage_type);
681   sg_platf_mount_add_cb(storage_parse_mount);
682 }