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
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Oprivate.h
* Aug 5 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Object header private include file.
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#ifndef _H5Oprivate_H
#define _H5Oprivate_H
/* Include the public header file for this API */
#include "H5Opublic.h" /* Object header functions */
/* Public headers needed by this file */
#include "H5Dpublic.h" /* Dataset functions */
#include "H5Spublic.h" /* Dataspace functions */
/* Private headers needed by this file */
#include "H5private.h" /* Generic functions */
#include "H5HGprivate.h" /* Global heap functions */
#include "H5Tprivate.h" /* Datatype functions */
#include "H5Zprivate.h" /* I/O pipeline filters */
/* Object header macros */
#define H5O_MIN_SIZE H5O_ALIGN(32) /*min obj header data size */
#define H5O_MAX_SIZE 65536 /*max obj header data size */
#define H5O_NEW_MESG (-1) /*new message */
/* Flags which are part of a message */
#define H5O_FLAG_CONSTANT 0x01u
#define H5O_FLAG_SHARED 0x02u
#define H5O_FLAG_BITS (H5O_FLAG_CONSTANT|H5O_FLAG_SHARED)
/* Header message IDs */
#define H5O_NULL_ID 0x0000 /* Null Message. */
#define H5O_SDSPACE_ID 0x0001 /* Simple Dataspace Message. */
/* Complex dataspace is/was planned for message 0x0002 */
#define H5O_DTYPE_ID 0x0003 /* Datatype Message. */
#define H5O_FILL_ID 0x0004 /* Fill Value Message. (Old) */
#define H5O_FILL_NEW_ID 0x0005 /* Fill Value Message. (New) */
/* Compact data storage is/was planned for message 0x0006 */
#define H5O_EFL_ID 0x0007 /* External File List Message */
#define H5O_LAYOUT_ID 0x0008 /* Data Storage Layout Message. */
#define H5O_BOGUS_ID 0x0009 /* "Bogus" Message. */
/* message 0x000a appears unused... */
#define H5O_PLINE_ID 0x000b /* Filter pipeline message. */
#define H5O_ATTR_ID 0x000c /* Attribute Message. */
#define H5O_NAME_ID 0x000d /* Object name message. */
#define H5O_MTIME_ID 0x000e /* Modification time message. (Old) */
#define H5O_SHARED_ID 0x000f /* Shared object message. */
#define H5O_CONT_ID 0x0010 /* Object header continuation message. */
#define H5O_STAB_ID 0x0011 /* Symbol table message. */
#define H5O_MTIME_NEW_ID 0x0012 /* Modification time message. (New) */
/*
* Fill Value Message. (Old)
* (Data structure in memory)
*/
typedef struct H5O_fill_t {
H5T_t *type; /*type. Null implies same as dataset */
size_t size; /*number of bytes in the fill value */
void *buf; /*the fill value */
} H5O_fill_t;
/*
* New Fill Value Message. The new fill value message is fill value plus
* space allocation time and fill value writing time and whether fill
* value is defined.
*/
typedef struct H5O_fill_new_t {
H5T_t *type; /*type. Null implies same as dataset */
ssize_t size; /*number of bytes in the fill value */
void *buf; /*the fill value */
H5D_alloc_time_t alloc_time; /* time to allocate space */
H5D_fill_time_t fill_time; /* time to write fill value */
hbool_t fill_defined; /* whether fill value is defined */
} H5O_fill_new_t;
/*
* External File List Message
* (Data structure in memory)
*/
#define H5O_EFL_ALLOC 16 /*number of slots to alloc at once */
#define H5O_EFL_UNLIMITED H5F_UNLIMITED /*max possible file size */
typedef struct H5O_efl_entry_t {
size_t name_offset; /*offset of name within heap */
char *name; /*malloc'd name */
off_t offset; /*offset of data within file */
hsize_t size; /*size allocated within file */
} H5O_efl_entry_t;
typedef struct H5O_efl_t {
haddr_t heap_addr; /*address of name heap */
int nalloc; /*number of slots allocated */
int nused; /*number of slots used */
H5O_efl_entry_t *slot; /*array of external file entries */
} H5O_efl_t;
/*
* Data Layout Message.
* (Data structure in memory)
*/
#define H5O_LAYOUT_NDIMS (H5S_MAX_RANK+1)
typedef struct H5O_layout_t {
int type; /*type of layout, H5D_layout_t */
haddr_t addr; /*file address of data or B-tree */
unsigned ndims; /*num dimensions in stored data */
hsize_t dim[H5O_LAYOUT_NDIMS]; /*size of data or chunk in bytes */
hbool_t dirty; /*dirty flag for compact dataset */
size_t size; /*size of compact dataset in bytes */
void *buf; /*buffer for compact dataset */
} H5O_layout_t;
/* Enable reading/writing "bogus" messages */
/* #define H5O_ENABLE_BOGUS */
#ifdef H5O_ENABLE_BOGUS
/*
* "Bogus" Message.
* (Data structure in memory)
*/
#define H5O_BOGUS_VALUE 0xdeadbeef
typedef struct H5O_bogus_t {
unsigned u; /* Hold the bogus info */
} H5O_bogus_t;
#endif /* H5O_ENABLE_BOGUS */
/*
* Filter pipeline message.
* (Data structure in memory)
*/
typedef struct H5O_pline_t {
size_t nfilters; /*num filters defined */
size_t nalloc; /*num elements in `filter' array */
H5Z_filter_info_t *filter; /*array of filters */
} H5O_pline_t;
/*
* Object name message.
* (Data structure in memory)
*/
typedef struct H5O_name_t {
char *s; /*ptr to malloc'd memory */
} H5O_name_t;
/*
* Shared object message. This message ID never really appears in an object
* header. Instead, bit 2 of the `Flags' field will be set and the ID field
* will be the ID of the pointed-to message.
*/
typedef struct H5O_shared_t {
hbool_t in_gh; /*shared by global heap? */
union {
H5HG_t gh; /*global heap info */
H5G_entry_t ent; /*symbol table entry info */
} u;
} H5O_shared_t;
/*
* Object header continuation message.
* (Data structure in memory)
*/
typedef struct H5O_cont_t {
haddr_t addr; /*address of continuation block */
size_t size; /*size of continuation block */
/* the following field(s) do not appear on disk */
unsigned chunkno; /*chunk this mesg refers to */
} H5O_cont_t;
/*
* Symbol table message.
* (Data structure in memory)
*/
typedef struct H5O_stab_t {
haddr_t btree_addr; /*address of B-tree */
haddr_t heap_addr; /*address of name heap */
} H5O_stab_t;
/* General message operators */
H5_DLL herr_t H5O_create(H5F_t *f, hid_t dxpl_id, size_t size_hint,
H5G_entry_t *ent/*out*/);
H5_DLL herr_t H5O_open(H5G_entry_t *ent);
H5_DLL herr_t H5O_close(H5G_entry_t *ent);
H5_DLL int H5O_link(const H5G_entry_t *ent, int adjust, hid_t dxpl_id);
H5_DLL int H5O_count(H5G_entry_t *ent, hid_t type_id, hid_t dxpl_id);
H5_DLL htri_t H5O_exists(H5G_entry_t *ent, hid_t type_id, int sequence,
hid_t dxpl_id);
H5_DLL void *H5O_read(H5G_entry_t *ent, hid_t type_id, int sequence,
void *mesg, hid_t dxpl_id);
H5_DLL int H5O_modify(H5G_entry_t *ent, hid_t type_id,
int overwrite, unsigned flags, unsigned update_time, const void *mesg, hid_t dxpl_id);
H5_DLL struct H5O_t * H5O_protect(H5G_entry_t *ent, hid_t dxpl_id);
H5_DLL herr_t H5O_unprotect(H5G_entry_t *ent, struct H5O_t *oh, hid_t dxpl_id);
H5_DLL int H5O_append(H5F_t *f, hid_t dxpl_id, struct H5O_t *oh, hid_t type_id,
unsigned flags, const void *mesg);
H5_DLL herr_t H5O_touch(H5G_entry_t *ent, hbool_t force, hid_t dxpl_id);
H5_DLL herr_t H5O_touch_oh(H5F_t *f, struct H5O_t *oh, hbool_t force);
#ifdef H5O_ENABLE_BOGUS
H5_DLL herr_t H5O_bogus(H5G_entry_t *ent, hid_t dxpl_id);
H5_DLL herr_t H5O_bogus_oh(H5F_t *f, struct H5O_t *oh);
#endif /* H5O_ENABLE_BOGUS */
H5_DLL herr_t H5O_remove(H5G_entry_t *ent, hid_t type_id, int sequence,
hid_t dxpl_id);
H5_DLL herr_t H5O_reset(hid_t type_id, void *native);
H5_DLL void *H5O_free(hid_t type_id, void *mesg);
H5_DLL void *H5O_copy(hid_t type_id, const void *mesg, void *dst);
H5_DLL size_t H5O_raw_size(hid_t type_id, H5F_t *f, const void *mesg);
H5_DLL herr_t H5O_get_share(hid_t type_id, H5F_t *f, const void *mesg, H5O_shared_t *share);
H5_DLL herr_t H5O_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr);
H5_DLL herr_t H5O_debug_id(hid_t type_id, H5F_t *f, hid_t dxpl_id, const void *mesg, FILE *stream, int indent, int fwidth);
H5_DLL herr_t H5O_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent,
int fwidth);
/* Layout operators */
H5_DLL size_t H5O_layout_meta_size(H5F_t *f, const void *_mesg);
/* EFL operators */
H5_DLL hsize_t H5O_efl_total_size(H5O_efl_t *efl);
H5_DLL ssize_t H5O_efl_readvv(const H5O_efl_t *efl,
size_t dset_max_nseq, size_t *dset_curr_seq, size_t dset_len_arr[], hsize_t dset_offset_arr[],
size_t mem_max_nseq, size_t *mem_curr_seq, size_t mem_len_arr[], hsize_t mem_offset_arr[],
void *buf);
H5_DLL ssize_t H5O_efl_writevv(const H5O_efl_t *efl,
size_t dset_max_nseq, size_t *dset_curr_seq, size_t dset_len_arr[], hsize_t dset_offset_arr[],
size_t mem_max_nseq, size_t *mem_curr_seq, size_t mem_len_arr[], hsize_t mem_offset_arr[],
const void *buf);
/* Fill value operators */
H5_DLL herr_t H5O_fill_convert(void *_fill, H5T_t *type, hid_t dxpl_id);
#endif
|
