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[simgrid.git] / 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 #include <inttypes.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, sg_storage_size_t *used_size);
39 static int storage_action_unref(surf_action_t action);
40 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
41 static surf_action_t storage_action_execute (void *storage, sg_storage_size_t size, e_surf_action_storage_type_t type);
42
43 static surf_action_t storage_action_ls(void *storage, const char* path)
44 {
45   surf_action_t action = storage_action_execute(storage,0, LS);
46   action->ls_dict = NULL;
47   xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
48
49   char* key;
50   sg_storage_size_t size = 0;
51   xbt_dict_cursor_t cursor = NULL;
52
53   xbt_dynar_t dyn = NULL;
54   char* file = NULL;
55
56   // for each file in the storage content
57   xbt_dict_foreach(((storage_t)storage)->content,cursor,key,size){
58     // Search if file start with the prefix 'path'
59     if(xbt_str_start_with(key,path)){
60       file = &key[strlen(path)];
61
62       // Split file with '/'
63       dyn = xbt_str_split(file,"/");
64       file = xbt_dynar_get_as(dyn,0,char*);
65
66       // file
67       if(xbt_dynar_length(dyn) == 1){
68         sg_storage_size_t *psize = xbt_new(sg_storage_size_t,1);
69         *psize=size;
70         xbt_dict_set(ls_dict,file,psize,NULL);
71       }
72       // Directory
73       else
74       {
75         // if directory does not exist yet in the dictionary
76         if(!xbt_dict_get_or_null(ls_dict,file))
77           xbt_dict_set(ls_dict,file,NULL,NULL);
78       }
79       xbt_dynar_free(&dyn);
80     }
81   }
82
83   action->ls_dict = ls_dict;
84   return action;
85 }
86
87 static surf_action_t storage_action_open(void *storage, const char* mount,
88                                          const char* path)
89 {
90   XBT_DEBUG("\tOpen file '%s'",path);
91   xbt_dict_t content_dict = ((storage_t)storage)->content;
92   sg_storage_size_t size, *psize;
93   psize = (sg_storage_size_t*) xbt_dict_get_or_null(content_dict, path);
94   if (psize)
95     size = *psize;
96   else {
97   // if file does not exist create an empty file
98     psize = xbt_new(sg_storage_size_t,1);
99     size = 0;
100     *psize = size;
101     xbt_dict_set(content_dict,path,psize,NULL);
102     XBT_DEBUG("File '%s' was not found, file created.",path);
103   }
104   surf_file_t file = xbt_new0(s_surf_file_t,1);
105   file->name = xbt_strdup(path);
106   file->size = size;
107   file->mount = xbt_strdup(mount);
108
109   surf_action_t action = storage_action_execute(storage,0, OPEN);
110   action->file = (void *)file;
111   return action;
112 }
113
114 static surf_action_t storage_action_close(void *storage, surf_file_t fd)
115 {
116   char *filename = fd->name;
117   XBT_DEBUG("\tClose file '%s' size '%" PRIu64 "'", filename, fd->size);
118   // unref write actions from storage
119   surf_action_storage_t write_action;
120   unsigned int i;
121   xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
122     if ((write_action->generic_lmm_action.generic_action.file) == fd) {
123       xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
124       storage_action_unref((surf_action_t) write_action);
125     }
126   }
127   free(fd->name);
128   free(fd->mount);
129   xbt_free(fd);
130   surf_action_t action = storage_action_execute(storage,0, CLOSE);
131   return action;
132 }
133
134 static surf_action_t storage_action_read(void *storage, surf_file_t fd, sg_storage_size_t size)
135 {
136   if(size > fd->size)
137     size = fd->size;
138   surf_action_t action = storage_action_execute(storage,size,READ);
139   return action;
140 }
141
142 static surf_action_t storage_action_write(void *storage, surf_file_t fd, sg_storage_size_t size)
143 {
144   char *filename = fd->name;
145   XBT_DEBUG("\tWrite file '%s' size '%" PRIu64 "/%" PRIu64 "'",
146             filename, size, fd->size);
147
148   surf_action_t action = storage_action_execute(storage,size,WRITE);
149   action->file = fd;
150
151   // If the storage is full
152   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
153     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
154   }
155   return action;
156 }
157
158 static surf_action_t storage_action_execute (void *storage, sg_storage_size_t size, e_surf_action_storage_type_t type)
159 {
160   surf_action_storage_t action = NULL;
161   storage_t STORAGE = storage;
162
163   XBT_IN("(%s,%" PRIu64, surf_resource_name(STORAGE), size);
164   action =
165       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
166           STORAGE->state_current != SURF_RESOURCE_ON);
167
168   // Save the storage on action
169   action->storage = storage;
170   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
171                                                    calloc but it seems to help valgrind... */
172
173   GENERIC_LMM_ACTION(action).variable =
174       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
175
176   // Must be less than the max bandwidth for all actions
177   lmm_expand(storage_maxmin_system, STORAGE->constraint,
178              GENERIC_LMM_ACTION(action).variable, 1.0);
179
180   switch(type) {
181   case OPEN:
182   case CLOSE:
183   case STAT:
184   case LS:
185     break;
186   case READ:
187     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
188                GENERIC_LMM_ACTION(action).variable, 1.0);
189     break;
190   case WRITE:
191     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
192                GENERIC_LMM_ACTION(action).variable, 1.0);
193     xbt_dynar_push(((storage_t)storage)->write_actions,&action);
194     surf_action_ref((surf_action_t) action);
195     break;
196   }
197   action->type = type;
198   XBT_OUT();
199   return (surf_action_t) action;
200 }
201
202 static xbt_dict_t storage_get_properties(const void *storage)
203 {
204   return surf_resource_properties(surf_storage_resource_priv(storage));
205 }
206
207 static xbt_dict_t storage_get_content(void *storage)
208 {
209   /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
210   /*surf_action_t action = storage_action_execute(storage,0, LS);*/
211
212   void *storage_resource = surf_storage_resource_priv(storage);
213   xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
214   xbt_dict_cursor_t cursor = NULL;
215   char *file;
216   sg_storage_size_t *psize;
217
218   xbt_dict_foreach(((storage_t)storage_resource)->content, cursor, file, psize){
219     xbt_dict_set(content_dict,file,psize,NULL);
220   }
221   return content_dict;
222 }
223
224 static sg_storage_size_t storage_get_size(void *storage){
225   void *storage_resource = surf_storage_resource_priv(storage);
226   return ((storage_t)storage_resource)->size;
227 }
228
229 static void storage_file_rename(void *storage, const char *src, const char *dest)
230 {
231   void *storage_resource = surf_storage_resource_priv(storage);
232
233   sg_storage_size_t *psize;
234   psize = (sg_storage_size_t*) xbt_dict_get_or_null(((storage_t)storage_resource)->content,src);
235   if (psize){// src file exists
236     xbt_dict_remove(((storage_t)storage_resource)->content, src);
237     xbt_dict_set(((storage_t)storage_resource)->content, dest, psize,NULL);
238     XBT_DEBUG("Change file name from %s to %s, size '%" PRIu64 "'",src, dest, *psize);
239   }
240   else
241     XBT_DEBUG("File %s doesn't exist",src);
242 }
243
244
245 static void* storage_create_resource(const char* id, const char* model,
246     const char* type_id, const char* content_name, const char* content_type, xbt_dict_t properties){
247   storage_t storage = NULL;
248
249   xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
250               "Storage '%s' declared several times in the platform file",
251               id);
252   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
253           surf_storage_model, id, properties, NULL);
254
255   storage->state_current = SURF_RESOURCE_ON;
256   storage->used_size = 0;
257   storage->size = 0;
258   storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
259
260   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
261   double Bread =
262       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bread"));
263   double Bwrite =
264       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bwrite"));
265   double Bconnection =
266       surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,
267                                             "Bconnection"));
268   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%lu'",Bconnection,Bread,Bwrite,(unsigned long)storage_type->size);
269   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
270   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
271   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
272   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
273   storage->content_type = xbt_strdup(content_type);
274   storage->size = storage_type->size;
275   storage->type_id = xbt_strdup(type_id);
276
277   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
278
279   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",
280       id,
281       model,
282       type_id,
283       storage_type->properties,
284       Bread);
285
286   if (!storage_list)
287     storage_list = xbt_dynar_new(sizeof(char *),NULL);
288   xbt_dynar_push(storage_list,&storage);
289
290   return storage;
291 }
292
293 static void storage_finalize(void)
294 {
295   lmm_system_free(storage_maxmin_system);
296   storage_maxmin_system = NULL;
297
298   surf_model_exit(surf_storage_model);
299   surf_storage_model = NULL;
300
301   xbt_dynar_free(&storage_list);
302
303   xbt_swag_free
304       (storage_running_action_set_that_does_not_need_being_checked);
305   storage_running_action_set_that_does_not_need_being_checked = NULL;
306 }
307
308 static void storage_update_actions_state(double now, double delta)
309 {
310   surf_action_storage_t action = NULL;
311   surf_action_storage_t next_action = NULL;
312   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
313
314
315   xbt_swag_foreach_safe(action, next_action, running_actions) {
316     if(action->type == WRITE)
317     {
318       // Update the disk usage
319       // Update the file size
320       // Update the storage content (with file size)
321       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
322       /* Hack to avoid rounding differences between x86 and x86_64
323        * (note that the next sizes are of type sg_storage_size_t). */
324       long incr = delta * rate + MAXMIN_PRECISION;
325       ((storage_t)(action->storage))->used_size += incr; // disk usage
326       ((surf_action_t)action)->file->size += incr; // file size
327
328       sg_storage_size_t *psize = xbt_new(sg_storage_size_t,1);
329       *psize = ((surf_action_t)action)->file->size;
330
331       xbt_dict_t content_dict = ((storage_t)(action->storage))->content;
332       xbt_dict_set(content_dict,((surf_action_t)action)->file->name,psize,NULL);
333     }
334
335     double_update(&(GENERIC_ACTION(action).remains),
336                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
337
338     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
339       double_update(&(GENERIC_ACTION(action).max_duration), delta);
340
341     if(GENERIC_ACTION(action).remains > 0 &&
342         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
343         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
344     {
345       GENERIC_ACTION(action).finish = surf_get_clock();
346       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
347     } else if ((GENERIC_ACTION(action).remains <= 0) &&
348         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
349     {
350       GENERIC_ACTION(action).finish = surf_get_clock();
351       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
352     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
353                (GENERIC_ACTION(action).max_duration <= 0))
354     {
355       GENERIC_ACTION(action).finish = surf_get_clock();
356       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
357     }
358   }
359
360   return;
361 }
362
363 static double storage_share_resources(double NOW)
364 {
365   XBT_DEBUG("storage_share_resources %f",NOW);
366   s_surf_action_storage_t action;
367   unsigned int i,j;
368   storage_t storage;
369   surf_action_storage_t write_action;
370
371   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
372       xbt_swag_offset(action, generic_lmm_action.variable),
373       storage_maxmin_system, lmm_solve);
374
375   double rate;
376   // Foreach disk
377   xbt_dynar_foreach(storage_list,i,storage)
378   {
379     rate = 0;
380     // Foreach write action on disk
381     xbt_dynar_foreach(storage->write_actions,j,write_action)
382     {
383       rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
384     }
385     if(rate > 0)
386       min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
387   }
388
389   return min_completion;
390 }
391
392 static int storage_resource_used(void *resource_id)
393 {
394   THROW_UNIMPLEMENTED;
395   return 0;
396 }
397
398 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
399                                  double value, double time)
400 {
401   THROW_UNIMPLEMENTED;
402 }
403
404 static int storage_action_unref(surf_action_t action)
405 {
406   action->refcount--;
407   if (!action->refcount) {
408     xbt_swag_remove(action, action->state_set);
409     if (((surf_action_lmm_t) action)->variable)
410       lmm_variable_free(storage_maxmin_system,
411                         ((surf_action_lmm_t) action)->variable);
412 #ifdef HAVE_TRACING
413     xbt_free(action->category);
414 #endif
415     surf_action_free(&action);
416     return 1;
417   }
418   return 0;
419 }
420
421 static void storage_action_cancel(surf_action_t action)
422 {
423   surf_action_state_set(action, SURF_ACTION_FAILED);
424   return;
425 }
426
427 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
428 {
429   surf_action_state_set(action, state);
430   return;
431 }
432
433 static void storage_action_suspend(surf_action_t action)
434 {
435   XBT_IN("(%p)", action);
436   if (((surf_action_lmm_t) action)->suspended != 2) {
437     lmm_update_variable_weight(storage_maxmin_system,
438                                ((surf_action_lmm_t) action)->variable,
439                                0.0);
440     ((surf_action_lmm_t) action)->suspended = 1;
441   }
442   XBT_OUT();
443 }
444
445 static void storage_action_resume(surf_action_t action)
446 {
447   THROW_UNIMPLEMENTED;
448 }
449
450 static int storage_action_is_suspended(surf_action_t action)
451 {
452   return (((surf_action_lmm_t) action)->suspended == 1);
453 }
454
455 static void storage_action_set_max_duration(surf_action_t action, double duration)
456 {
457   THROW_UNIMPLEMENTED;
458 }
459
460 static void storage_action_set_priority(surf_action_t action, double priority)
461 {
462   THROW_UNIMPLEMENTED;
463 }
464
465 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
466 {
467   void* stype = xbt_lib_get_or_null(storage_type_lib,
468                                     storage->type_id,
469                                     ROUTING_STORAGE_TYPE_LEVEL);
470   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
471
472   // if storage content is not specified use the content of storage_type if exist
473   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
474     storage->content = ((storage_type_t) stype)->content;
475     storage->content_type = ((storage_type_t) stype)->content_type;
476     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
477         storage->id,((storage_type_t) stype)->content_type,
478         ((storage_type_t) stype)->type_id);
479   }
480
481   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
482       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
483       "\n\t\tproperties '%p'\n",
484       storage->id,
485       ((storage_type_t) stype)->model,
486       ((storage_type_t) stype)->type_id,
487       storage->content,
488       storage->content_type,
489       ((storage_type_t) stype)->properties);
490
491   storage_create_resource(storage->id,
492      ((storage_type_t) stype)->model,
493      ((storage_type_t) stype)->type_id,
494      storage->content,
495      storage->content_type,
496      storage->properties);
497 }
498
499 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
500 {
501   XBT_DEBUG("parse_mstorage_init");
502 }
503
504 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
505 {
506   XBT_DEBUG("parse_storage_type_init");
507 }
508
509 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
510 {
511   XBT_DEBUG("parse_mount_init");
512 }
513
514 static void storage_define_callbacks()
515 {
516   sg_platf_storage_add_cb(parse_storage_init);
517   sg_platf_storage_type_add_cb(parse_storage_type_init);
518   sg_platf_mstorage_add_cb(parse_mstorage_init);
519   sg_platf_mount_add_cb(parse_mount_init);
520 }
521
522 static void surf_storage_model_init_internal(void)
523 {
524   s_surf_action_t action;
525
526   XBT_DEBUG("surf_storage_model_init_internal");
527   surf_storage_model = surf_model_init();
528
529   storage_running_action_set_that_does_not_need_being_checked =
530       xbt_swag_new(xbt_swag_offset(action, state_hookup));
531
532   surf_storage_model->name = "Storage";
533   surf_storage_model->action_unref = storage_action_unref;
534   surf_storage_model->action_cancel = storage_action_cancel;
535   surf_storage_model->action_state_set = storage_action_state_set;
536
537   surf_storage_model->model_private->finalize = storage_finalize;
538   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
539   surf_storage_model->model_private->share_resources = storage_share_resources;
540   surf_storage_model->model_private->resource_used = storage_resource_used;
541   surf_storage_model->model_private->update_resource_state = storage_resources_state;
542
543   surf_storage_model->suspend = storage_action_suspend;
544   surf_storage_model->resume = storage_action_resume;
545   surf_storage_model->is_suspended = storage_action_is_suspended;
546   surf_storage_model->set_max_duration = storage_action_set_max_duration;
547   surf_storage_model->set_priority = storage_action_set_priority;
548
549   surf_storage_model->extension.storage.open = storage_action_open;
550   surf_storage_model->extension.storage.close = storage_action_close;
551   surf_storage_model->extension.storage.read = storage_action_read;
552   surf_storage_model->extension.storage.write = storage_action_write;
553   surf_storage_model->extension.storage.ls = storage_action_ls;
554   surf_storage_model->extension.storage.get_properties = storage_get_properties;
555   surf_storage_model->extension.storage.get_content = storage_get_content;
556   surf_storage_model->extension.storage.get_size = storage_get_size;
557   surf_storage_model->extension.storage.rename = storage_file_rename;
558   if (!storage_maxmin_system) {
559     storage_maxmin_system = lmm_system_new(storage_selective_update);
560   }
561 }
562
563 void surf_storage_model_init_default(void)
564 {
565   surf_storage_model_init_internal();
566   storage_define_callbacks();
567
568   xbt_dynar_push(model_list, &surf_storage_model);
569 }
570
571 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
572 {
573   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
574                "Reading a storage, processing unit \"%s\" already exists", storage->id);
575
576   // Verification of an existing type_id
577 #ifndef NDEBUG
578   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
579 #endif
580   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
581
582   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
583       storage->id,
584       storage->type_id,
585       storage->content);
586
587   xbt_lib_set(storage_lib,
588       storage->id,
589       ROUTING_STORAGE_LEVEL,
590       (void *) xbt_strdup(storage->type_id));
591 }
592
593 static xbt_dict_t parse_storage_content(char *filename, sg_storage_size_t *used_size)
594 {
595   *used_size = 0;
596   if ((!filename) || (strcmp(filename, "") == 0))
597     return NULL;
598
599   xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
600   FILE *file = NULL;
601
602   file = surf_fopen(filename, "r");
603   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
604               xbt_str_join(surf_path, ":"));
605
606   char *line = NULL;
607   size_t len = 0;
608   ssize_t read;
609   char path[1024];
610   sg_storage_size_t size;
611
612   while ((read = xbt_getline(&line, &len, file)) != -1) {
613     if (read){
614     if (sscanf(line,"%s %" SCNu64, path, &size) == 2) {
615         *used_size += size;
616         sg_storage_size_t *psize = xbt_new(sg_storage_size_t, 1);
617         *psize = size;
618         xbt_dict_set(parse_content,path,psize,NULL);
619       } else {
620         xbt_die("Be sure of passing a good format for content file.\n");
621       }
622     }
623   }
624   free(line);
625   fclose(file);
626   return parse_content;
627 }
628
629 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
630 {
631   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
632                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
633
634   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
635   stype->model = xbt_strdup(storage_type->model);
636   stype->properties = storage_type->properties;
637   stype->content = xbt_strdup(storage_type->content);
638   stype->content_type = xbt_strdup(storage_type->content_type);
639   stype->type_id = xbt_strdup(storage_type->id);
640   stype->size = storage_type->size;
641
642   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
643       "content '%s', and content_type '%s'",
644       stype->type_id,
645       stype->model,
646       storage_type->content,
647       storage_type->content_type);
648
649   xbt_lib_set(storage_type_lib,
650       stype->type_id,
651       ROUTING_STORAGE_TYPE_LEVEL,
652       (void *) stype);
653 }
654 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
655 {
656   THROW_UNIMPLEMENTED;
657 //  mount_t mnt = xbt_new0(s_mount_t, 1);
658 //  mnt->id = xbt_strdup(mstorage->type_id);
659 //  mnt->name = xbt_strdup(mstorage->name);
660 //
661 //  if(!mount_list){
662 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
663 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
664 //  }
665 //  xbt_dynar_push(mount_list,(void *) mnt);
666 //  free(mnt->id);
667 //  free(mnt->name);
668 //  xbt_free(mnt);
669 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
670 }
671
672 static void mount_free(void *p)
673 {
674   mount_t mnt = p;
675   xbt_free(mnt->name);
676 }
677
678 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
679 {
680   // Verification of an existing storage
681 #ifndef NDEBUG
682   void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId,ROUTING_STORAGE_LEVEL);
683 #endif
684   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
685
686   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
687
688   s_mount_t mnt;
689   mnt.storage =
690     surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
691   mnt.name = xbt_strdup(mount->name);
692
693   if(!mount_list){
694     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
695     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
696   }
697   xbt_dynar_push(mount_list,&mnt);
698 }
699
700 static XBT_INLINE void routing_storage_type_free(void *r)
701 {
702   storage_type_t stype = r;
703   free(stype->model);
704   free(stype->type_id);
705   free(stype->content);
706   free(stype->content_type);
707   xbt_dict_free(&(stype->properties));
708   free(stype);
709 }
710
711 static XBT_INLINE void surf_storage_resource_free(void *r)
712 {
713   // specific to storage
714   storage_t storage = r;
715   xbt_dict_free(&storage->content);
716   xbt_dynar_free(&storage->write_actions);
717   free(storage->type_id);
718   free(storage->content_type);
719   // generic resource
720   surf_resource_free(r);
721 }
722
723 static XBT_INLINE void routing_storage_host_free(void *r)
724 {
725   xbt_dynar_t dyn = r;
726   xbt_dynar_free(&dyn);
727 }
728
729 void storage_register_callbacks() {
730
731   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
732   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
733   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
734   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
735
736   sg_platf_storage_add_cb(storage_parse_storage);
737   sg_platf_mstorage_add_cb(storage_parse_mstorage);
738   sg_platf_storage_type_add_cb(storage_parse_storage_type);
739   sg_platf_mount_add_cb(storage_parse_mount);
740 }
741