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
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Opublic.h
* Aug 5 1997
* Robb Matzke
*
* Purpose: Public declarations for the H5O (object header)
* package.
*
*-------------------------------------------------------------------------
*/
#ifndef _H5Opublic_H
#define _H5Opublic_H
/* Public headers needed by this file */
#include "H5public.h" /* Generic Functions */
#include "H5Ipublic.h" /* IDs */
#include "H5Lpublic.h" /* Links */
/*****************/
/* Public Macros */
/*****************/
/* Flags for object copy (H5Ocopy) */
#define H5O_COPY_SHALLOW_HIERARCHY_FLAG (0x0001u) /* Copy only immediate members */
#define H5O_COPY_EXPAND_SOFT_LINK_FLAG (0x0002u) /* Expand soft links into new objects */
#define H5O_COPY_EXPAND_EXT_LINK_FLAG (0x0004u) /* Expand external links into new objects */
#define H5O_COPY_EXPAND_REFERENCE_FLAG (0x0008u) /* Copy objects that are pointed by references */
#define H5O_COPY_WITHOUT_ATTR_FLAG (0x0010u) /* Copy object without copying attributes */
#define H5O_COPY_PRESERVE_NULL_FLAG (0x0020u) /* Copy NULL messages (empty space) */
#define H5O_COPY_MERGE_COMMITTED_DTYPE_FLAG (0x0040u) /* Merge committed datatypes in dest file */
#define H5O_COPY_ALL (0x007Fu) /* All object copying flags (for internal checking) */
/* Flags for shared message indexes.
* Pass these flags in using the mesg_type_flags parameter in
* H5P_set_shared_mesg_index.
* (Developers: These flags correspond to object header message type IDs,
* but we need to assign each kind of message to a different bit so that
* one index can hold multiple types.)
*/
#define H5O_SHMESG_NONE_FLAG 0x0000 /* No shared messages */
#define H5O_SHMESG_SDSPACE_FLAG ((unsigned)1 << 0x0001) /* Simple Dataspace Message. */
#define H5O_SHMESG_DTYPE_FLAG ((unsigned)1 << 0x0003) /* Datatype Message. */
#define H5O_SHMESG_FILL_FLAG ((unsigned)1 << 0x0005) /* Fill Value Message. */
#define H5O_SHMESG_PLINE_FLAG ((unsigned)1 << 0x000b) /* Filter pipeline message. */
#define H5O_SHMESG_ATTR_FLAG ((unsigned)1 << 0x000c) /* Attribute Message. */
#define H5O_SHMESG_ALL_FLAG \
(H5O_SHMESG_SDSPACE_FLAG | H5O_SHMESG_DTYPE_FLAG | H5O_SHMESG_FILL_FLAG | H5O_SHMESG_PLINE_FLAG | \
H5O_SHMESG_ATTR_FLAG)
/* Object header status flag definitions */
#define H5O_HDR_CHUNK0_SIZE 0x03 /* 2-bit field indicating # of bytes to store the size of chunk 0's data */
#define H5O_HDR_ATTR_CRT_ORDER_TRACKED 0x04 /* Attribute creation order is tracked */
#define H5O_HDR_ATTR_CRT_ORDER_INDEXED 0x08 /* Attribute creation order has index */
#define H5O_HDR_ATTR_STORE_PHASE_CHANGE 0x10 /* Non-default attribute storage phase change values stored */
#define H5O_HDR_STORE_TIMES 0x20 /* Store access, modification, change & birth times for object */
#define H5O_HDR_ALL_FLAGS \
(H5O_HDR_CHUNK0_SIZE | H5O_HDR_ATTR_CRT_ORDER_TRACKED | H5O_HDR_ATTR_CRT_ORDER_INDEXED | \
H5O_HDR_ATTR_STORE_PHASE_CHANGE | H5O_HDR_STORE_TIMES)
/* Maximum shared message values. Number of indexes is 8 to allow room to add
* new types of messages.
*/
#define H5O_SHMESG_MAX_NINDEXES 8
#define H5O_SHMESG_MAX_LIST_SIZE 5000
/* Flags for H5Oget_info.
* Theses flags determine which fields will be filled in in the H5O_info_t
* struct.
*/
#define H5O_INFO_BASIC 0x0001u /* Fill in the fileno, addr, type, and rc fields */
#define H5O_INFO_TIME 0x0002u /* Fill in the atime, mtime, ctime, and btime fields */
#define H5O_INFO_NUM_ATTRS 0x0004u /* Fill in the num_attrs field */
#define H5O_INFO_HDR 0x0008u /* Fill in the hdr field */
#define H5O_INFO_META_SIZE 0x0010u /* Fill in the meta_size field */
#define H5O_INFO_ALL (H5O_INFO_BASIC | H5O_INFO_TIME | H5O_INFO_NUM_ATTRS | H5O_INFO_HDR | H5O_INFO_META_SIZE)
/*******************/
/* Public Typedefs */
/*******************/
/* Types of objects in file */
typedef enum H5O_type_t {
H5O_TYPE_UNKNOWN = -1, /* Unknown object type */
H5O_TYPE_GROUP, /* Object is a group */
H5O_TYPE_DATASET, /* Object is a dataset */
H5O_TYPE_NAMED_DATATYPE, /* Object is a named data type */
H5O_TYPE_NTYPES /* Number of different object types (must be last!) */
} H5O_type_t;
/* Information struct for object header metadata (for H5Oget_info/H5Oget_info_by_name/H5Oget_info_by_idx) */
typedef struct H5O_hdr_info_t {
unsigned version; /* Version number of header format in file */
unsigned nmesgs; /* Number of object header messages */
unsigned nchunks; /* Number of object header chunks */
unsigned flags; /* Object header status flags */
struct {
hsize_t total; /* Total space for storing object header in file */
hsize_t meta; /* Space within header for object header metadata information */
hsize_t mesg; /* Space within header for actual message information */
hsize_t free; /* Free space within object header */
} space;
struct {
uint64_t present; /* Flags to indicate presence of message type in header */
uint64_t shared; /* Flags to indicate message type is shared in header */
} mesg;
} H5O_hdr_info_t;
/* Information struct for object (for H5Oget_info/H5Oget_info_by_name/H5Oget_info_by_idx) */
typedef struct H5O_info_t {
unsigned long fileno; /* File number that object is located in */
haddr_t addr; /* Object address in file */
H5O_type_t type; /* Basic object type (group, dataset, etc.) */
unsigned rc; /* Reference count of object */
time_t atime; /* Access time */
time_t mtime; /* Modification time */
time_t ctime; /* Change time */
time_t btime; /* Birth time */
hsize_t num_attrs; /* # of attributes attached to object */
H5O_hdr_info_t hdr; /* Object header information */
/* Extra metadata storage for obj & attributes */
struct {
H5_ih_info_t obj; /* v1/v2 B-tree & local/fractal heap for groups, B-tree for chunked datasets */
H5_ih_info_t attr; /* v2 B-tree & heap for attributes */
} meta_size;
} H5O_info_t;
/* Typedef for message creation indexes */
typedef uint32_t H5O_msg_crt_idx_t;
/* Prototype for H5Ovisit/H5Ovisit_by_name() operator */
typedef herr_t (*H5O_iterate_t)(hid_t obj, const char *name, const H5O_info_t *info, void *op_data);
typedef enum H5O_mcdt_search_ret_t {
H5O_MCDT_SEARCH_ERROR = -1, /* Abort H5Ocopy */
H5O_MCDT_SEARCH_CONT, /* Continue the global search of all committed datatypes in the destination file */
H5O_MCDT_SEARCH_STOP /* Stop the search, but continue copying. The committed datatype will be copied but
not merged. */
} H5O_mcdt_search_ret_t;
/* Callback to invoke when completing the search for a matching committed datatype from the committed dtype
* list */
typedef H5O_mcdt_search_ret_t (*H5O_mcdt_search_cb_t)(void *op_data);
/********************/
/* Public Variables */
/********************/
/*********************/
/* Public Prototypes */
/*********************/
#ifdef __cplusplus
extern "C" {
#endif
H5_DLL hid_t H5Oopen(hid_t loc_id, const char *name, hid_t lapl_id);
H5_DLL hid_t H5Oopen_by_addr(hid_t loc_id, haddr_t addr);
H5_DLL hid_t H5Oopen_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order,
hsize_t n, hid_t lapl_id);
H5_DLL htri_t H5Oexists_by_name(hid_t loc_id, const char *name, hid_t lapl_id);
H5_DLL herr_t H5Oget_info2(hid_t loc_id, H5O_info_t *oinfo, unsigned fields);
H5_DLL herr_t H5Oget_info_by_name2(hid_t loc_id, const char *name, H5O_info_t *oinfo, unsigned fields,
hid_t lapl_id);
H5_DLL herr_t H5Oget_info_by_idx2(hid_t loc_id, const char *group_name, H5_index_t idx_type,
H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo, unsigned fields,
hid_t lapl_id);
H5_DLL herr_t H5Olink(hid_t obj_id, hid_t new_loc_id, const char *new_name, hid_t lcpl_id, hid_t lapl_id);
H5_DLL herr_t H5Oincr_refcount(hid_t object_id);
H5_DLL herr_t H5Odecr_refcount(hid_t object_id);
H5_DLL herr_t H5Ocopy(hid_t src_loc_id, const char *src_name, hid_t dst_loc_id, const char *dst_name,
hid_t ocpypl_id, hid_t lcpl_id);
H5_DLL herr_t H5Oset_comment(hid_t obj_id, const char *comment);
H5_DLL herr_t H5Oset_comment_by_name(hid_t loc_id, const char *name, const char *comment, hid_t lapl_id);
H5_DLL ssize_t H5Oget_comment(hid_t obj_id, char *comment, size_t bufsize);
H5_DLL ssize_t H5Oget_comment_by_name(hid_t loc_id, const char *name, char *comment, size_t bufsize,
hid_t lapl_id);
H5_DLL herr_t H5Ovisit2(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate_t op,
void *op_data, unsigned fields);
H5_DLL herr_t H5Ovisit_by_name2(hid_t loc_id, const char *obj_name, H5_index_t idx_type,
H5_iter_order_t order, H5O_iterate_t op, void *op_data, unsigned fields,
hid_t lapl_id);
H5_DLL herr_t H5Oclose(hid_t object_id);
H5_DLL herr_t H5Oflush(hid_t obj_id);
H5_DLL herr_t H5Orefresh(hid_t oid);
H5_DLL herr_t H5Odisable_mdc_flushes(hid_t object_id);
H5_DLL herr_t H5Oenable_mdc_flushes(hid_t object_id);
H5_DLL herr_t H5Oare_mdc_flushes_disabled(hid_t object_id, hbool_t *are_disabled);
/* Future function prototypes to be deprecated in next version */
H5_DLL herr_t H5Oget_info(hid_t loc_id, H5O_info_t *oinfo);
H5_DLL herr_t H5Oget_info_by_name(hid_t loc_id, const char *name, H5O_info_t *oinfo, hid_t lapl_id);
H5_DLL herr_t H5Oget_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type,
H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo, hid_t lapl_id);
H5_DLL herr_t H5Ovisit(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate_t op,
void *op_data);
H5_DLL herr_t H5Ovisit_by_name(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order,
H5O_iterate_t op, void *op_data, hid_t lapl_id);
/* Compatibility function prototypes to replace non-versioned function for use by macro in next version */
H5_DLL herr_t H5Oget_info1(hid_t loc_id, H5O_info_t *oinfo);
H5_DLL herr_t H5Oget_info_by_name1(hid_t loc_id, const char *name, H5O_info_t *oinfo, hid_t lapl_id);
H5_DLL herr_t H5Oget_info_by_idx1(hid_t loc_id, const char *group_name, H5_index_t idx_type,
H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo, hid_t lapl_id);
H5_DLL herr_t H5Ovisit1(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate_t op,
void *op_data);
H5_DLL herr_t H5Ovisit_by_name1(hid_t loc_id, const char *obj_name, H5_index_t idx_type,
H5_iter_order_t order, H5O_iterate_t op, void *op_data, hid_t lapl_id);
/* Symbols defined for compatibility with previous versions of the HDF5 API.
*
* Use of these symbols is deprecated.
*/
#ifndef H5_NO_DEPRECATED_SYMBOLS
/* Macros */
/* Typedefs */
/* A struct that's part of the H5G_stat_t structure (deprecated) */
typedef struct H5O_stat_t {
hsize_t size; /* Total size of object header in file */
hsize_t free; /* Free space within object header */
unsigned nmesgs; /* Number of object header messages */
unsigned nchunks; /* Number of object header chunks */
} H5O_stat_t;
/* Function prototypes */
#endif /* H5_NO_DEPRECATED_SYMBOLS */
#ifdef __cplusplus
}
#endif
#endif /* _H5Opublic_H */
|
