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
|
/*-------------------------------------------------------------------------
* Copyright (C) 1997 National Center for Supercomputing Applications.
* All rights reserved.
*
*-------------------------------------------------------------------------
*
* 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 <H5Opublic.h>
/* Private headers neede by this file */
#include <H5private.h>
#include <H5Fprivate.h>
#include <H5Gprivate.h>
#include <H5Tprivate.h>
#include <H5Pprivate.h>
#define H5O_MIN_SIZE 32 /*min obj header data size */
#define H5O_NMESGS 32 /*initial number of messages */
#define H5O_NCHUNKS 8 /*initial number of chunks */
#define H5O_NEW_MESG (-1) /*new message */
#define H5O_NO_ADDR (-1) /*no disk address yet */
#define H5O_ALL (-1) /*delete all messages of type */
#define H5O_VERSION 1
#define H5O_ALIGNMENT 4
#define H5O_ALIGN(X,A) ((X)=(A)*(((X)+(A)-1)/(A)))
#define H5O_SIZEOF_HDR(F) \
(1 + /*version number */ \
1 + /*alignment */ \
2 + /*number of messages */ \
4 + /*reference count */ \
4) /*header data size */
typedef struct H5O_class_t {
intn id; /*message type ID on disk */
const char *name; /*message name for debugging */
size_t native_size; /*size of native message */
H5G_type_t cache_type; /*type field in symbol table */
void *(*decode)(hdf5_file_t*,size_t,const uint8*);
herr_t (*encode)(hdf5_file_t*,size_t,uint8*,const void*);
void *(*fast)(const H5G_cache_t*, void*);/*get from of entry */
hbool_t (*cache)(H5G_type_t*, H5G_cache_t*,const void*); /*into entry*/
void *(*copy)(const void*,void*); /*copy native value */
size_t (*raw_size)(hdf5_file_t*,const void*); /*sizeof raw val */
herr_t (*reset)(void*); /*free nested data structures */
herr_t (*debug)(hdf5_file_t*,const void*, FILE*, intn, intn);
} H5O_class_t;
typedef struct H5O_mesg_t {
const H5O_class_t *type; /*type of message */
hbool_t dirty; /*raw out of date wrt native */
void *native; /*native format message */
uint8 *raw; /*ptr to raw data */
size_t raw_size; /*size with alignment */
intn chunkno; /*chunk number for this mesg */
} H5O_mesg_t;
typedef struct H5O_chunk_t {
hbool_t dirty; /*dirty flag */
haddr_t addr; /*chunk file address */
size_t size; /*chunk size */
uint8 *image; /*image of file */
} H5O_chunk_t;
typedef struct H5O_t {
hbool_t dirty; /*out of data wrt disk */
intn version; /*version number */
intn alignment; /*message alignment */
intn nlink; /*link count */
intn nmesgs; /*number of messages */
intn alloc_nmesgs; /*number of message slots */
H5O_mesg_t *mesg; /*array of messages */
intn nchunks; /*number of chunks */
intn alloc_nchunks; /*chunks allocated */
H5O_chunk_t *chunk; /*array of chunks */
} H5O_t;
/*
* Null message.
*/
#define H5O_NULL_ID 0x0000
extern const H5O_class_t H5O_NULL[1];
/*
* Simple Dimensionality message.
*/
#define H5O_SIM_DIM_ID 0x0001
extern const H5O_class_t H5O_SIM_DIM[1];
typedef H5P_sdim_t H5O_sim_dim_t;
/*
* Simple Datatype message.
*/
#define H5O_SIM_DTYPE_ID 0x0003
extern const H5O_class_t H5O_SIM_DTYPE[1];
typedef h5_atomic_type_t H5O_sim_dtype_t;
/*
* Standard Data Storage message.
*/
#define H5O_STD_STORE_ID 0x0005
extern const H5O_class_t H5O_STD_STORE[1];
typedef struct H5O_std_store {
haddr_t off;
haddr_t len;
} H5O_std_store_t;
/*
* Object name message.
*/
#define H5O_NAME_ID 0x000d
extern const H5O_class_t H5O_NAME[1];
typedef struct H5O_name_t {
const char *s; /*ptr to malloc'd memory */
} H5O_name_t;
/*
* Object header continuation message.
*/
#define H5O_CONT_ID 0x0010
extern const H5O_class_t H5O_CONT[1];
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 */
intn chunkno; /*chunk this mesg refers to */
} H5O_cont_t;
/*
* Symbol table message.
*/
#define H5O_STAB_ID 0x0011
extern const H5O_class_t H5O_STAB[1];
typedef struct H5O_stab_t {
haddr_t btree_addr; /*address of B-tree */
haddr_t heap_addr; /*address of name heap */
} H5O_stab_t;
haddr_t H5O_new (hdf5_file_t *f, intn nlink, size_t size_hint);
intn H5O_link (hdf5_file_t *f, H5G_entry_t *ent, intn adjust);
void *H5O_read (hdf5_file_t *f, haddr_t addr, H5G_entry_t *ent,
const H5O_class_t *type, intn sequence, void *mesg);
const void *H5O_peek (hdf5_file_t *f, haddr_t addr, const H5O_class_t *type,
intn sequence);
intn H5O_modify (hdf5_file_t *f, haddr_t addr, H5G_entry_t *ent,
const H5O_class_t *type, intn overwrite, const void *mesg);
herr_t H5O_remove (hdf5_file_t *f, haddr_t addr, H5G_entry_t *ent,
const H5O_class_t *type, intn sequence);
herr_t H5O_reset (const H5O_class_t *type, void *native);
herr_t H5O_debug (hdf5_file_t *f, haddr_t addr, FILE *stream,
intn indent, intn fwidth);
#endif
|
