1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************/
/* Module Setup */
/****************/
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
/* Interface initialization */
#define H5_INTERFACE_INIT_FUNC H5F_init_super_interface
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* File access */
#include "H5FDprivate.h" /* File drivers */
#include "H5Iprivate.h" /* IDs */
#include "H5Pprivate.h" /* Property lists */
#include "H5SMprivate.h" /* Shared Object Header Messages */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
static herr_t H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr);
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/* Declare a free list to manage the H5F_super_t struct */
H5FL_DEFINE(H5F_super_t);
/*******************/
/* Local Variables */
/*******************/
/*--------------------------------------------------------------------------
NAME
H5F_init_super_interface -- Initialize interface-specific information
USAGE
herr_t H5F_init_super_interface()
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Initializes any interface-specific data or routines. (Just calls
H5F_init() currently).
--------------------------------------------------------------------------*/
static herr_t
H5F_init_super_interface(void)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5F_init_super_interface)
FUNC_LEAVE_NOAPI(H5F_init())
} /* H5F_init_super_interface() */
/*-------------------------------------------------------------------------
* Function: H5F_locate_signature
*
* Purpose: Finds the HDF5 superblock signature in a file. The signature
* can appear at address 0, or any power of two beginning with
* 512.
*
* Return: Success: The absolute format address of the signature.
*
* Failure: HADDR_UNDEF
*
* Programmer: Robb Matzke
* Friday, November 7, 1997
*
*-------------------------------------------------------------------------
*/
haddr_t
H5F_locate_signature(H5FD_t *file, hid_t dxpl_id)
{
haddr_t addr, eoa;
uint8_t buf[H5F_SIGNATURE_LEN];
unsigned n, maxpow;
haddr_t ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5F_locate_signature)
/* Find the least N such that 2^N is larger than the file size */
if(HADDR_UNDEF == (addr = H5FD_get_eof(file)) || HADDR_UNDEF == (eoa = H5FD_get_eoa(file, H5FD_MEM_SUPER)))
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to obtain EOF/EOA value")
for(maxpow = 0; addr; maxpow++)
addr >>= 1;
maxpow = MAX(maxpow, 9);
/*
* Search for the file signature at format address zero followed by
* powers of two larger than 9.
*/
for(n = 8; n < maxpow; n++) {
addr = (8 == n) ? 0 : (haddr_t)1 << n;
if(H5FD_set_eoa(file, H5FD_MEM_SUPER, addr + H5F_SIGNATURE_LEN) < 0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to set EOA value for file signature")
if(H5FD_read(file, dxpl_id, H5FD_MEM_SUPER, addr, (size_t)H5F_SIGNATURE_LEN, buf) < 0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to read file signature")
if(!HDmemcmp(buf, H5F_SIGNATURE, (size_t)H5F_SIGNATURE_LEN))
break;
} /* end for */
/*
* If the signature was not found then reset the EOA value and return
* failure.
*/
if(n >= maxpow) {
(void)H5FD_set_eoa(file, H5FD_MEM_SUPER, eoa); /* Ignore return value */
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, HADDR_UNDEF, "unable to find a valid file signature")
} /* end if */
/* Set return value */
ret_value = addr;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_locate_signature() */
/*-------------------------------------------------------------------------
* Function: H5F_super_ext_create
*
* Purpose: Create the superblock extension
*
* Return: Success: non-negative on success
* Failure: Negative
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5F_super_ext_create)
/* Sanity check */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->sblock);
HDassert(!H5F_addr_defined(f->shared->sblock->ext_addr));
HDassert(ext_ptr);
H5O_loc_reset(ext_ptr);
if(H5O_create(f, dxpl_id, 0, H5P_GROUP_CREATE_DEFAULT, ext_ptr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCREATE, FAIL, "unable to create superblock extension")
/* Record the address of the superblock extension */
f->shared->sblock->ext_addr = ext_ptr->addr;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_ext_create() */
/*-------------------------------------------------------------------------
* Function: H5F_super_ext_open
*
* Purpose: Open an existing superblock extension
*
* Return: Success: non-negative on success
* Failure: Negative
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_ext_open(H5F_t *f, haddr_t ext_addr, H5O_loc_t *ext_ptr)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5F_super_ext_open)
/* Sanity check */
HDassert(f);
HDassert(H5F_addr_defined(ext_addr));
HDassert(ext_ptr);
/* Set up "fake" object location for superblock extension */
H5O_loc_reset(ext_ptr);
ext_ptr->file = f;
ext_ptr->addr = ext_addr;
/* Open the superblock extension object header */
if(H5O_open(ext_ptr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open superblock extension")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_ext_open() */
/*-------------------------------------------------------------------------
* Function: H5F_super_ext_close
*
* Purpose: Close superblock extension
*
* Return: Success: non-negative on success
* Failure: Negative
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_ext_close(H5F_t *f, H5O_loc_t *ext_ptr)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5F_super_ext_close)
/* Sanity check */
HDassert(f);
HDassert(ext_ptr);
/* Twiddle the number of open objects to avoid closing the file. */
f->nopen_objs++;
if(H5O_close(ext_ptr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCLOSEOBJ, FAIL, "unable to close superblock extension")
f->nopen_objs--;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_ext_close() */
/*-------------------------------------------------------------------------
* Function: H5F_super_read
*
* Purpose: Reads the superblock from the file or from the BUF. If
* ADDR is a valid address, then it reads it from the file.
* If not, then BUF must be non-NULL for it to read from the
* BUF.
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Programmer: Bill Wendling
* wendling@ncsa.uiuc.edu
* Sept 12, 2003
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_read(H5F_t *f, hid_t dxpl_id)
{
H5F_super_t * sblock = NULL; /* superblock structure */
unsigned sblock_flags = H5AC__NO_FLAGS_SET; /* flags used in superblock unprotect call */
H5AC_protect_t rw; /* read/write permissions for file */
hbool_t dirtied = FALSE; /* Bool for sblock protect call */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_NOAPI(H5F_super_read, FAIL)
/* Find the superblock */
if(HADDR_UNDEF == (f->shared->super_addr = H5F_locate_signature(f->shared->lf, dxpl_id)))
HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to find file signature")
/* Determine file intent for superblock protect */
if(H5F_INTENT(f) & H5F_ACC_RDWR)
rw = H5AC_WRITE;
else
rw = H5AC_READ;
/* Look up the superblock */
if(NULL == (sblock = (H5F_super_t *)H5AC_protect(f, dxpl_id, H5AC_SUPERBLOCK, f->shared->super_addr, NULL, &dirtied, rw)))
HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load superblock")
/* Mark the superblock dirty if it was modified during loading or VFD indicated to do so */
if((H5AC_WRITE == rw) && (dirtied || H5F_HAS_FEATURE(f, H5FD_FEAT_DIRTY_SBLK_LOAD)))
sblock_flags |= H5AC__DIRTIED_FLAG;
/* Pin the superblock in the cache */
if(H5AC_pin_protected_entry(f, sblock) < 0)
HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, FAIL, "unable to pin superblock")
/* Set the pointer to the pinned superblock */
f->shared->sblock = sblock;
done:
/* Release the superblock */
if(sblock && H5AC_unprotect(f, dxpl_id, H5AC_SUPERBLOCK, f->shared->super_addr, sblock, sblock_flags) < 0)
HDONE_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "unable to close superblock")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_super_read() */
/*-------------------------------------------------------------------------
* Function: H5F_super_init
*
* Purpose: Allocates the superblock for the file and initializes
* information about the superblock in memory. Writes extension
* messages if any are needed.
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
* Sept 15, 2003
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_init(H5F_t *f, hid_t dxpl_id)
{
H5F_super_t *sblock = NULL; /* Superblock cache structure */
hbool_t sblock_in_cache = FALSE; /* Whether the superblock has been inserted into the metadata cache */
H5P_genplist_t *plist; /* File creation property list */
hsize_t userblock_size; /* Size of userblock, in bytes */
hsize_t superblock_size; /* Size of superblock, in bytes */
size_t driver_size; /* Size of driver info block (bytes) */
unsigned super_vers = HDF5_SUPERBLOCK_VERSION_DEF; /* Superblock version for file */
haddr_t super_addr; /* Address of superblock */
hbool_t need_ext; /* Whether the superblock extension is needed */
herr_t ret_value = SUCCEED; /* Return Value */
FUNC_ENTER_NOAPI(H5F_super_init, FAIL)
/* Allocate space for the superblock */
if(NULL == (sblock = H5FL_CALLOC(H5F_super_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
/* Initialize various address information */
sblock->base_addr = HADDR_UNDEF;
sblock->ext_addr = HADDR_UNDEF;
sblock->driver_addr = HADDR_UNDEF;
sblock->root_addr = HADDR_UNDEF;
/* Get the shared file creation property list */
if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
/* Initialize sym_leaf_k */
if(H5P_get(plist, H5F_CRT_SYM_LEAF_NAME, &sblock->sym_leaf_k) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for object size")
/* Initialize btree_k */
if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, &sblock->btree_k[0]) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get rank for btree internal nodes")
/* Bump superblock version if we are to use the latest version of the format */
if(f->shared->latest_format)
super_vers = HDF5_SUPERBLOCK_VERSION_LATEST;
/* Bump superblock version to create superblock extension for SOHM info */
else if(f->shared->sohm_nindexes > 0)
super_vers = HDF5_SUPERBLOCK_VERSION_2;
/* Check for non-default indexed storage B-tree internal 'K' value
* and set the version # of the superblock to 1 if it is a non-default
* value.
*/
else if(sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF)
super_vers = HDF5_SUPERBLOCK_VERSION_1;
/* If a newer superblock version is required, set it here */
if(super_vers != HDF5_SUPERBLOCK_VERSION_DEF) {
H5P_genplist_t *c_plist; /* Property list */
if(NULL == (c_plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not property list")
if(H5P_set(c_plist, H5F_CRT_SUPER_VERS_NAME, &super_vers) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set superblock version")
} /* end if */
/*
* The superblock starts immediately after the user-defined
* header, which we have already insured is a proper size. The
* base address is set to the same thing as the superblock for
* now.
*/
if(H5P_get(plist, H5F_CRT_USER_BLOCK_NAME, &userblock_size) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get userblock size")
/* Sanity check the userblock size vs. the file's allocation alignment */
if(userblock_size > 0) {
if(userblock_size < f->shared->alignment)
HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "userblock size must be > file object alignment")
if(0 != (userblock_size % f->shared->alignment))
HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "userblock size must be an integral multiple of file object alignment")
} /* end if */
sblock->base_addr = userblock_size;
sblock->status_flags = 0;
/* Reserve space for the userblock */
if(H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, userblock_size) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set EOA value for userblock")
/* Set the base address for the file in the VFD now, after allocating
* space for userblock.
*/
if(H5FD_set_base_addr(f->shared->lf, sblock->base_addr) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "failed to set base address for file driver")
/* Save a local copy of the superblock version number */
sblock->super_vers = super_vers;
/* Compute the size of the superblock */
superblock_size = H5F_SUPERBLOCK_SIZE(super_vers, f);
/* Compute the size of the driver information block */
H5_ASSIGN_OVERFLOW(driver_size, H5FD_sb_size(f->shared->lf), hsize_t, size_t);
if(driver_size > 0) {
driver_size += H5F_DRVINFOBLOCK_HDR_SIZE;
/*
* The file driver information block begins immediately after the
* superblock. (relative to base address in file)
*/
sblock->driver_addr = superblock_size;
} /* end if */
/*
* Allocate space for the userblock, superblock & driver info blocks.
* We do it with one allocation request because the userblock and
* superblock need to be at the beginning of the file and only the first
* allocation request is required to return memory at format address zero.
*/
if(super_vers < HDF5_SUPERBLOCK_VERSION_2)
superblock_size += driver_size;
/* Reserve space in the file for the superblock, instead of allocating it */
if(H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, superblock_size) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set EOA value for superblock")
/* Set the superblock's address, it must be immediately after any userblock */
super_addr = (haddr_t)0;
/* Insert superblock into cache, pinned */
if(H5AC_set(f, dxpl_id, H5AC_SUPERBLOCK, super_addr, sblock, H5AC__PIN_ENTRY_FLAG) < 0)
HGOTO_ERROR(H5E_CACHE, H5E_CANTINS, FAIL, "can't add superblock to cache")
sblock_in_cache = TRUE;
/* Keep a copy of the superblock info */
f->shared->sblock = sblock;
f->shared->super_addr = super_addr;
/*
* Determine if we will need a superblock extension
*/
/* Files with SOHM indices always need the superblock extension */
if(f->shared->sohm_nindexes > 0) {
HDassert(super_vers >= HDF5_SUPERBLOCK_VERSION_2);
need_ext = TRUE;
} /* end if */
/* If we're going to use a version of the superblock format which allows
* for the superblock extension, check for non-default values to store
* in it.
*/
else if(super_vers >= HDF5_SUPERBLOCK_VERSION_2) {
/* Check for non-default v1 B-tree 'K' values to store */
if(sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF ||
sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF ||
sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF)
need_ext = TRUE;
/* Check for driver info to store */
else if(driver_size > 0)
need_ext = TRUE;
else
need_ext = FALSE;
} /* end if */
else
need_ext = FALSE;
/* Create the superblock extension for "extra" superblock data, if necessary. */
if(need_ext) {
H5O_loc_t ext_loc; /* Superblock extension object location */
/* The superblock extension isn't actually a group, but the
* default group creation list should work fine.
* If we don't supply a size for the object header, HDF5 will
* allocate H5O_MIN_SIZE by default. This is currently
* big enough to hold the biggest possible extension, but should
* be tuned if more information is added to the superblock
* extension.
*/
if(H5F_super_ext_create(f, dxpl_id, &ext_loc) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to start file's superblock extension")
/* Create the Shared Object Header Message table and register it with
* the metadata cache, if this file supports shared messages.
*/
if(f->shared->sohm_nindexes > 0) {
/* Initialize the shared message code & write the SOHM message to the extension */
if(H5SM_init(f, plist, &ext_loc, dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to create SOHM table")
} /* end if */
/* Check for non-default v1 B-tree 'K' values to store */
if(sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF ||
sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF ||
sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF) {
H5O_btreek_t btreek; /* v1 B-tree 'K' value message for superblock extension */
/* Write v1 B-tree 'K' value information to the superblock extension */
btreek.btree_k[H5B_CHUNK_ID] = sblock->btree_k[H5B_CHUNK_ID];
btreek.btree_k[H5B_SNODE_ID] = sblock->btree_k[H5B_SNODE_ID];
btreek.sym_leaf_k = sblock->sym_leaf_k;
if(H5O_msg_create(&ext_loc, H5O_BTREEK_ID, H5O_MSG_FLAG_CONSTANT | H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &btreek, dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update v1 B-tree 'K' value header message")
} /* end if */
/* Check for driver info to store */
if(driver_size > 0) {
H5O_drvinfo_t drvinfo; /* Driver info */
uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */
/* Sanity check */
HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE);
/* Encode driver-specific data */
if(H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information")
/* Write driver info information to the superblock extension */
drvinfo.len = driver_size;
drvinfo.buf = dbuf;
if(H5O_msg_create(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &drvinfo, dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update driver info header message")
} /* end if */
/* Close superblock extension */
if(H5F_super_ext_close(f, &ext_loc) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension")
} /* end if */
done:
/* Cleanup on failure */
if(ret_value < 0) {
/* Check if the superblock has been allocated yet */
if(sblock) {
/* Check if we've cached it already */
if(sblock_in_cache) {
/* Unpin superblock in cache */
if(H5AC_unpin_entry(f, sblock) < 0)
HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock")
/* Evict the superblock from the cache */
if(H5AC_expunge_entry(f, dxpl_id, H5AC_SUPERBLOCK, super_addr, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge superblock")
} /* end if */
else
/* Free superblock */
sblock = (H5F_super_t *)H5FL_FREE(H5F_super_t, sblock);
/* Reset variables in file structure */
f->shared->sblock = NULL;
f->shared->super_addr = HADDR_UNDEF;
} /* end if */
} /* end if */
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_super_init() */
/*-------------------------------------------------------------------------
* Function: H5F_super_dirty
*
* Purpose: Mark the file's superblock dirty
*
* Return: Success: non-negative on success
* Failure: Negative
*
* Programmer: Quincey Koziol
* August 14, 2009
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_dirty(H5F_t *f)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5F_super_dirty, FAIL)
/* Sanity check */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->sblock);
/* Mark superblock dirty in cache, so change to EOA will get encoded */
if(H5AC_mark_pinned_or_protected_entry_dirty(f, f->shared->sblock) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_dirty() */
/*-------------------------------------------------------------------------
* Function: H5F_super_size
*
* Purpose: Get storage size of the superblock and superblock extension
*
* Return: Success: non-negative on success
* Failure: Negative
*
* Programmer: Vailin Choi
* July 11, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_size, hsize_t *super_ext_size)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5F_super_size, FAIL)
/* Sanity check */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->sblock);
/* Set the superblock size */
if(super_size)
*super_size = H5F_SUPERBLOCK_SIZE(f->shared->sblock->super_vers, f);
/* Set the superblock extension size */
if(super_ext_size) {
if(H5F_addr_defined(f->shared->sblock->ext_addr)) {
H5O_loc_t ext_loc; /* "Object location" for superblock extension */
H5O_info_t oinfo; /* Object info for superblock extension */
/* Set up "fake" object location for superblock extension */
H5O_loc_reset(&ext_loc);
ext_loc.file = f;
ext_loc.addr = f->shared->sblock->ext_addr;
/* Get object header info for superblock extension */
if(H5O_get_info(&ext_loc, dxpl_id, FALSE, &oinfo) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info")
/* Set the superblock extension size */
*super_ext_size = oinfo.hdr.space.total;
} /* end if */
else
/* Set the superblock extension size to zero */
*super_ext_size = (hsize_t)0;
} /* end if */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_size() */
/*-------------------------------------------------------------------------
* Function: H5F_super_ext_write_msg()
*
* Purpose: Write the message with ID to the superblock extension
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, void *mesg, unsigned id, hbool_t may_create)
{
hbool_t sblock_dirty = FALSE; /* Whether superblock was dirtied */
H5O_loc_t ext_loc; /* "Object location" for superblock extension */
htri_t status; /* Indicate whether the message exists or not */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5F_super_ext_write_msg, FAIL)
/* Sanity checks */
HDassert(f);
HDassert(f->shared);
HDassert(f->shared->sblock);
/* Open/create the superblock extension object header */
if(H5F_addr_defined(f->shared->sblock->ext_addr)) {
if(H5F_super_ext_open(f, f->shared->sblock->ext_addr, &ext_loc) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension")
} /* end if */
else {
HDassert(may_create);
if(H5F_super_ext_create(f, dxpl_id, &ext_loc) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "unable to create file's superblock extension")
sblock_dirty = TRUE;
} /* end else */
HDassert(H5F_addr_defined(ext_loc.addr));
/* Check if message with ID does not exist in the object header */
if((status = H5O_msg_exists(&ext_loc, id, dxpl_id)) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to check object header for message or message exists")
/* Check for creating vs. writing */
if(may_create) {
if(status)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should not exist")
/* Create the message with ID in the superblock extension */
if(H5O_msg_create(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to create the message in object header")
} /* end if */
else {
if(!status)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should exist")
/* Update the message with ID in the superblock extension */
if(H5O_msg_write(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to write the message in object header")
} /* end else */
/* Close the superblock extension object header */
if(H5F_super_ext_close(f, &ext_loc) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension")
done:
/* Mark superblock dirty in cache, if necessary */
if(sblock_dirty)
if(H5AC_mark_pinned_or_protected_entry_dirty(f, f->shared->sblock) < 0)
HDONE_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty")
FUNC_LEAVE_NOAPI(ret_value)
} /* H5F_super_ext_write_msg() */
|