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Start to rewrite the mechanism for usage of a storage
[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 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
34 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
35
36 typedef struct surf_storage {
37   s_surf_resource_t generic_resource;
38   const char* type;
39   const char* content; /*should be a dict */
40 } s_surf_storage_t, *surf_storage_t;
41
42 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
43 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
44 static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type);
45
46 static surf_action_t storage_action_stat(void *storage, surf_file_t stream)
47 {
48   surf_action_t action = storage_action_execute(storage,0, STAT);
49   action->file = stream;
50   action->stat = stream->content->stat;
51   return action;
52 }
53
54 static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
55 {
56   XBT_DEBUG("\tOpen file '%s'",path);
57   xbt_dict_t content_dict = ((storage_t)storage)->content;
58   surf_stat_t content = xbt_dict_get(content_dict,path);
59
60   surf_file_t file = xbt_new0(s_surf_file_t,1);
61   file->name = xbt_strdup(path);
62   file->content = content;
63   file->storage = mount;
64
65   surf_action_t action = storage_action_execute(storage,0, OPEN);
66   action->file = (void *)file;
67   return action;
68 }
69
70 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
71 {
72   char *filename = fp->name;
73   free(fp->name);
74   fp->content = NULL;
75   xbt_free(fp);
76   surf_action_t action = storage_action_execute(storage,0, CLOSE);
77   XBT_DEBUG("\tClose file '%s'",filename);
78   return action;
79 }
80
81 static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
82 {
83   char *filename = stream->name;
84   surf_stat_t content = stream->content;
85   XBT_DEBUG("\tRead file '%s' size '%zu/%zu'",filename,size,content->stat.size);
86   if(size > content->stat.size)
87     size = content->stat.size;
88   surf_action_t action = storage_action_execute(storage,size,READ);
89   return action;
90 }
91
92 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
93 {
94   char *filename = stream->name;
95   surf_stat_t content = stream->content;
96   XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,content->stat.size);
97
98   // update file size
99   content->stat.size += size;
100   // update disk space
101   ((storage_t)storage)->used_size =+ size;
102
103   surf_action_t action = storage_action_execute(storage,size,WRITE);
104   // If the storage is full
105   if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
106     storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
107   }
108   return action;
109 }
110
111 static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type)
112 {
113   surf_action_storage_t action = NULL;
114   storage_t STORAGE = storage;
115
116   XBT_IN("(%s,%zu)", surf_resource_name(STORAGE), size);
117   action =
118       surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
119           STORAGE->state_current != SURF_RESOURCE_ON);
120
121   // Save the storage on action
122   action->storage = storage;
123   GENERIC_LMM_ACTION(action).suspended = 0;     /* Should be useless because of the
124                                                    calloc but it seems to help valgrind... */
125
126   GENERIC_LMM_ACTION(action).variable =
127       lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
128
129   // Must be less than the max bandwidth for all actions
130   lmm_expand(storage_maxmin_system, STORAGE->constraint,
131              GENERIC_LMM_ACTION(action).variable, 1.0);
132
133   switch(type) {
134   case OPEN:
135   case CLOSE:
136   case STAT:
137     break;
138   case READ:
139     lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
140                GENERIC_LMM_ACTION(action).variable, 1.0);
141     break;
142   case WRITE:
143     lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
144                GENERIC_LMM_ACTION(action).variable, 1.0);
145     break;
146   }
147
148   XBT_OUT();
149   return (surf_action_t) action;
150 }
151
152 static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
153 {
154   storage_t storage = NULL;
155
156   xbt_assert(!surf_storage_resource_by_name(id),
157               "Storage '%s' declared several times in the platform file",
158               id);
159   storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
160           surf_storage_model, id,NULL);
161
162   storage->state_current = SURF_RESOURCE_ON;
163   storage->used_size = 0;
164   storage->size = 0;
165
166   storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
167   double Bread  = atof(xbt_dict_get(storage_type->properties,"Bread"));
168   double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
169   double Bconnection   = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
170   XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
171   storage->constraint       = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
172   storage->constraint_read  = lmm_constraint_new(storage_maxmin_system, storage, Bread);
173   storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
174   storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
175   storage->size = storage_type->size;
176
177   xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
178
179   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",
180       id,
181       model,
182       type_id,
183       storage_type->properties,
184       Bread);
185
186   return storage;
187 }
188
189 static void storage_finalize(void)
190 {
191   lmm_system_free(storage_maxmin_system);
192   storage_maxmin_system = NULL;
193
194   surf_model_exit(surf_storage_model);
195   surf_storage_model = NULL;
196
197   xbt_swag_free
198       (storage_running_action_set_that_does_not_need_being_checked);
199   storage_running_action_set_that_does_not_need_being_checked = NULL;
200 }
201
202 static void storage_update_actions_state(double now, double delta)
203 {
204   surf_action_storage_t action = NULL;
205   surf_action_storage_t next_action = NULL;
206   xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
207
208   // Update the disk usage
209   // Foreach action of type write
210   xbt_swag_foreach_safe(action, next_action, running_actions) {
211     if(action->type == WRITE)
212     {
213       double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
214       ((storage_t)action->storage)->used_size += delta * rate;
215     }
216   }
217
218   xbt_swag_foreach_safe(action, next_action, running_actions) {
219     double_update(&(GENERIC_ACTION(action).remains),
220                   lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
221     if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
222       double_update(&(GENERIC_ACTION(action).max_duration), delta);
223     if(GENERIC_ACTION(action).remains > 0 &&
224         lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
225         ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size) {
226       GENERIC_ACTION(action).finish = surf_get_clock();
227       storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
228     } else
229     if ((GENERIC_ACTION(action).remains <= 0) &&
230         (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0)) {
231       GENERIC_ACTION(action).finish = surf_get_clock();
232       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
233     } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
234                (GENERIC_ACTION(action).max_duration <= 0)) {
235       GENERIC_ACTION(action).finish = surf_get_clock();
236       storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
237     }
238   }
239
240   return;
241 }
242
243 static double storage_share_resources(double NOW)
244 {
245   XBT_DEBUG("storage_share_resources %f",NOW);
246   s_surf_action_storage_t action;
247   double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
248       xbt_swag_offset(action, generic_lmm_action.variable),
249       storage_maxmin_system, lmm_solve);
250   /*
251    foreach(disk) {
252       rate = 0
253       foreach write_action in disk {
254           rate += value(variable(action));
255       }
256       if(rate>0) {
257         min_completion = MIN(min_completion, (size-used_size)/rate);
258       }
259   }*/
260
261   return min_completion;
262 }
263
264 static int storage_resource_used(void *resource_id)
265 {
266   THROW_UNIMPLEMENTED;
267   return 0;
268 }
269
270 static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
271                                  double value, double time)
272 {
273   THROW_UNIMPLEMENTED;
274 }
275
276 static int storage_action_unref(surf_action_t action)
277 {
278   action->refcount--;
279   if (!action->refcount) {
280     xbt_swag_remove(action, action->state_set);
281     if (((surf_action_lmm_t) action)->variable)
282       lmm_variable_free(storage_maxmin_system,
283                         ((surf_action_lmm_t) action)->variable);
284 #ifdef HAVE_TRACING
285     xbt_free(action->category);
286 #endif
287     surf_action_free(&action);
288     return 1;
289   }
290   return 0;
291 }
292
293 static void storage_action_cancel(surf_action_t action)
294 {
295   surf_action_state_set(action, SURF_ACTION_FAILED);
296   return;
297 }
298
299 static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
300 {
301   surf_action_state_set(action, state);
302   return;
303 }
304
305 static void storage_action_suspend(surf_action_t action)
306 {
307   XBT_IN("(%p)", action);
308   if (((surf_action_lmm_t) action)->suspended != 2) {
309     lmm_update_variable_weight(storage_maxmin_system,
310                                ((surf_action_lmm_t) action)->variable,
311                                0.0);
312     ((surf_action_lmm_t) action)->suspended = 1;
313   }
314   XBT_OUT();
315 }
316
317 static void storage_action_resume(surf_action_t action)
318 {
319   THROW_UNIMPLEMENTED;
320 }
321
322 static int storage_action_is_suspended(surf_action_t action)
323 {
324   return (((surf_action_lmm_t) action)->suspended == 1);
325 }
326
327 static void storage_action_set_max_duration(surf_action_t action, double duration)
328 {
329   THROW_UNIMPLEMENTED;
330 }
331
332 static void storage_action_set_priority(surf_action_t action, double priority)
333 {
334   THROW_UNIMPLEMENTED;
335 }
336
337 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
338 {
339   void* stype = xbt_lib_get_or_null(storage_type_lib,
340                                     storage->type_id,
341                                     ROUTING_STORAGE_TYPE_LEVEL);
342   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
343
344   // if storage content is not specified use the content of storage_type if exist
345   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
346     storage->content = ((storage_type_t) stype)->content;
347     XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
348   }
349
350   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",
351       storage->id,
352       ((storage_type_t) stype)->model,
353       ((storage_type_t) stype)->type_id,
354       storage->content,
355       ((storage_type_t) stype)->properties);
356
357   storage_create_resource(storage->id,
358      ((storage_type_t) stype)->model,
359      ((storage_type_t) stype)->type_id,
360      storage->content);
361 }
362
363 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
364 {
365   XBT_DEBUG("parse_mstorage_init");
366 }
367
368 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
369 {
370   XBT_DEBUG("parse_storage_type_init");
371 }
372
373 static void parse_mount_init(sg_platf_mount_cbarg_t mount)
374 {
375   XBT_DEBUG("parse_mount_init");
376 }
377
378 static void storage_define_callbacks()
379 {
380   sg_platf_storage_add_cb(parse_storage_init);
381   sg_platf_storage_type_add_cb(parse_storage_type_init);
382   sg_platf_mstorage_add_cb(parse_mstorage_init);
383   sg_platf_mount_add_cb(parse_mount_init);
384 }
385
386 static void surf_storage_model_init_internal(void)
387 {
388   s_surf_action_t action;
389
390   XBT_DEBUG("surf_storage_model_init_internal");
391   surf_storage_model = surf_model_init();
392
393   storage_running_action_set_that_does_not_need_being_checked =
394       xbt_swag_new(xbt_swag_offset(action, state_hookup));
395
396   surf_storage_model->name = "Storage";
397   surf_storage_model->action_unref = storage_action_unref;
398   surf_storage_model->action_cancel = storage_action_cancel;
399   surf_storage_model->action_state_set = storage_action_state_set;
400
401   surf_storage_model->model_private->finalize = storage_finalize;
402   surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
403   surf_storage_model->model_private->share_resources = storage_share_resources;
404   surf_storage_model->model_private->resource_used = storage_resource_used;
405   surf_storage_model->model_private->update_resource_state = storage_resources_state;
406
407   surf_storage_model->suspend = storage_action_suspend;
408   surf_storage_model->resume = storage_action_resume;
409   surf_storage_model->is_suspended = storage_action_is_suspended;
410   surf_storage_model->set_max_duration = storage_action_set_max_duration;
411   surf_storage_model->set_priority = storage_action_set_priority;
412
413   surf_storage_model->extension.storage.open = storage_action_open;
414   surf_storage_model->extension.storage.close = storage_action_close;
415   surf_storage_model->extension.storage.read = storage_action_read;
416   surf_storage_model->extension.storage.write = storage_action_write;
417   surf_storage_model->extension.storage.stat = storage_action_stat;
418   surf_storage_model->extension.storage.create_resource = storage_create_resource;
419
420   if (!storage_maxmin_system) {
421     storage_maxmin_system = lmm_system_new(storage_selective_update);
422   }
423
424 }
425
426 void surf_storage_model_init_default(void)
427 {
428   surf_storage_model_init_internal();
429   storage_define_callbacks();
430
431   xbt_dynar_push(model_list, &surf_storage_model);
432 }
433
434 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
435 {
436   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
437                "Reading a storage, processing unit \"%s\" already exists", storage->id);
438
439   // Verification of an existing type_id
440 #ifndef NDEBUG
441   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
442 #endif
443   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
444
445   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
446       storage->id,
447       storage->type_id,
448       storage->content);
449
450   xbt_lib_set(storage_lib,
451       storage->id,
452       ROUTING_STORAGE_LEVEL,
453       (void *) xbt_strdup(storage->type_id));
454 }
455
456 static void free_storage_content(void *p)
457 {
458   surf_stat_t content = p;
459   free(content->stat.date);
460   free(content->stat.group);
461   free(content->stat.time);
462   free(content->stat.user);
463   free(content->stat.user_rights);
464   free(content);
465 }
466
467 static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
468 {
469   *used_size = 0;
470   if ((!filename) || (strcmp(filename, "") == 0))
471     return NULL;
472
473   xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
474   FILE *file = NULL;
475
476   file = surf_fopen(filename, "r");
477   xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
478               xbt_str_join(surf_path, ":"));
479
480   char *line = NULL;
481   size_t len = 0;
482   ssize_t read;
483   char user_rights[12];
484   char user[100];
485   char group[100];
486   char date[12];
487   char time[12];
488   char path[1024];
489   int nb;
490   long size;
491
492   surf_stat_t content;
493
494   while ((read = getline(&line, &len, file)) != -1) {
495     content = xbt_new0(s_surf_stat_t,1);
496     if(sscanf(line,"%s %d %s %s %ld %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
497       content->stat.date = xbt_strdup(date);
498       content->stat.group = xbt_strdup(group);
499       content->stat.size = size;
500       content->stat.time = xbt_strdup(time);
501       content->stat.user = xbt_strdup(user);
502       content->stat.user_rights = xbt_strdup(user_rights);
503       *used_size += content->stat.size;
504       xbt_dict_set(parse_content,path,content,NULL);
505     } else {
506       xbt_die("Be sure of passing a good format for content file.\n");
507       // You can generate this kind of file with command line:
508       // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
509     }
510   }
511   if (line)
512       free(line);
513   fclose(file);
514   return parse_content;
515 }
516
517 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
518 {
519   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
520                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
521
522   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
523   stype->model = xbt_strdup(storage_type->model);
524   stype->properties = storage_type->properties;
525   stype->content = xbt_strdup(storage_type->content);
526   stype->type_id = xbt_strdup(storage_type->id);
527   stype->size = storage_type->size * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
528
529   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
530       stype->type_id,
531       stype->model,
532       storage_type->content);
533
534   xbt_lib_set(storage_type_lib,
535       stype->type_id,
536       ROUTING_STORAGE_TYPE_LEVEL,
537       (void *) stype);
538 }
539 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
540 {
541   THROW_UNIMPLEMENTED;
542 //  mount_t mnt = xbt_new0(s_mount_t, 1);
543 //  mnt->id = xbt_strdup(mstorage->type_id);
544 //  mnt->name = xbt_strdup(mstorage->name);
545 //
546 //  if(!mount_list){
547 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
548 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
549 //  }
550 //  xbt_dynar_push(mount_list,(void *) mnt);
551 //  free(mnt->id);
552 //  free(mnt->name);
553 //  xbt_free(mnt);
554 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
555 }
556
557 static void mount_free(void *p)
558 {
559   mount_t mnt = p;
560   xbt_free(mnt->name);
561 }
562
563 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
564 {
565   // Verification of an existing storage
566 #ifndef NDEBUG
567   void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
568 #endif
569   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
570
571   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
572
573   s_mount_t mnt;
574   mnt.id = surf_storage_resource_by_name(mount->id);
575   mnt.name = xbt_strdup(mount->name);
576
577   if(!mount_list){
578     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
579     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
580   }
581   xbt_dynar_push(mount_list,&mnt);
582 }
583
584 static XBT_INLINE void routing_storage_type_free(void *r)
585 {
586   storage_type_t stype = r;
587   free(stype->model);
588   free(stype->type_id);
589   free(stype->content);
590   xbt_dict_free(&(stype->properties));
591   free(stype);
592 }
593
594 static XBT_INLINE void surf_storage_resource_free(void *r)
595 {
596   // specific to storage
597   storage_t storage = r;
598   xbt_dict_free(&storage->content);
599   // generic resource
600   surf_resource_free(r);
601 }
602
603 static XBT_INLINE void routing_storage_host_free(void *r)
604 {
605   xbt_dynar_t dyn = r;
606   xbt_dynar_free(&dyn);
607 }
608
609 void storage_register_callbacks() {
610
611   ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
612   ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib,routing_storage_host_free);
613   ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib,routing_storage_type_free);
614   SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_resource_free);
615
616   sg_platf_storage_add_cb(storage_parse_storage);
617   sg_platf_mstorage_add_cb(storage_parse_mstorage);
618   sg_platf_storage_type_add_cb(storage_parse_storage_type);
619   sg_platf_mount_add_cb(storage_parse_mount);
620 }