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
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Dummy index routines.
*/
/****************/
/* Module Setup */
/****************/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Xprivate.h" /* Index */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Pprivate.h"
#include "H5FFprivate.h"
/* TODO using private headers but could use public ones */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
typedef struct H5X_dummy_t {
hid_t dataset_id;
hid_t idx_anon_id;
void *idx_token;
size_t idx_token_size;
} H5X_dummy_t;
/********************/
/* Local Prototypes */
/********************/
static void *
H5X_dummy_create(hid_t file_id, hid_t dataset_id, hid_t xcpl_id,
hid_t xapl_id, size_t *metadata_size, void **metadata);
static herr_t
H5X_dummy_remove(hid_t file_id, hid_t dataset_id, size_t metadata_size,
void *metadata);
static void *
H5X_dummy_open(hid_t file_id, hid_t dataset_id, hid_t xapl_id,
size_t metadata_size, void *metadata);
static herr_t
H5X_dummy_close(void *idx_handle);
static herr_t
H5X_dummy_pre_update(void *idx_handle, hid_t dataspace_id, hid_t xxpl_id);
static herr_t
H5X_dummy_post_update(void *idx_handle, const void *buf, hid_t dataspace_id,
hid_t xxpl_id);
static herr_t
H5X_dummy_query(void *idx_handle, hid_t query_id, hid_t xxpl_id,
hid_t *dataspace_id);
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Dummy index class */
const H5X_class_t H5X_DUMMY[1] = {{
H5X_CLASS_T_VERS, /* (From the H5Xpublic.h header file) */
1, /* (Or whatever number is assigned) */
"dummy index plugin", /* Whatever name desired */
H5X_TYPE_DATA_ELEM, /* This plugin operates on dataset elements */
H5X_dummy_create, /* create */
H5X_dummy_remove, /* remove */
H5X_dummy_open, /* open */
H5X_dummy_close, /* close */
H5X_dummy_pre_update, /* pre_update */
H5X_dummy_post_update, /* post_update */
H5X_dummy_query /* query */
}};
/*-------------------------------------------------------------------------
* Function: H5X_dummy_create
*
* Purpose: This function creates a new instance of a dummy plugin index.
*
* Return: Success: Pointer to the new index
* Failure: NULL
*
*------------------------------------------------------------------------
*/
static void *
H5X_dummy_create(hid_t file_id, hid_t dataset_id, hid_t UNUSED xcpl_id,
hid_t xapl_id, size_t *metadata_size, void **metadata)
{
H5X_dummy_t *dummy = NULL;
hid_t type_id, space_id, trans_id;
void *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_create\n");
if (NULL == (dummy = (H5X_dummy_t *) H5MM_malloc(sizeof(H5X_dummy_t))))
HGOTO_ERROR(H5E_INDEX, H5E_NOSPACE, NULL, "can't allocate dummy struct");
dummy->dataset_id = dataset_id;
if (FAIL == (type_id = H5Dget_type(dataset_id)))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get type from dataset");
if (FAIL == (space_id = H5Dget_space(dataset_id)))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get dataspace from dataset");
if (FAIL == H5Pget_xapl_transaction(xapl_id, &trans_id))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get trans_id from xapl");
if (FAIL == (dummy->idx_anon_id = H5Dcreate_anon_ff(file_id, type_id, space_id,
H5P_DEFAULT, H5P_DEFAULT, trans_id, H5_EVENT_STACK_NULL)))
HGOTO_ERROR(H5E_INDEX, H5E_CANTCREATE, NULL, "can't create anonymous dataset");
if (FAIL == H5Oget_token(dummy->idx_anon_id, NULL, &dummy->idx_token_size))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get token size for anonymous dataset");
if (NULL == (dummy->idx_token = H5MM_malloc(dummy->idx_token_size)))
HGOTO_ERROR(H5E_INDEX, H5E_NOSPACE, NULL, "can't allocate token for anonymous dataset");
if (FAIL == H5Oget_token(dummy->idx_anon_id, dummy->idx_token, &dummy->idx_token_size))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get token for anonymous dataset");
/* Metadata is token for anonymous dataset */
*metadata = dummy->idx_token;
*metadata_size = dummy->idx_token_size;
ret_value = dummy;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_create() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_remove
*
* Purpose: This function removes the dummy plugin index from the file.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_remove(hid_t UNUSED file_id, hid_t UNUSED dataset_id, size_t UNUSED metadata_size,
void UNUSED *metadata)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
printf("Calling H5X_dummy_remove\n");
/* TODO Does not do anything */
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_remove() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_open
*
* Purpose: This function open an already existing dummy index from a file.
*
* Return: Success: Pointer to the index
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
static void *
H5X_dummy_open(hid_t file_id, hid_t dataset_id, hid_t xapl_id,
size_t metadata_size, void *metadata)
{
H5X_dummy_t *dummy = NULL;
hid_t trans_id, rc_id;
uint64_t c_version;
void *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_open\n");
if (!metadata_size)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "NULL metadata size");
if (!metadata)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "NULL metadata");
if (FAIL == H5Pget_xapl_read_context(xapl_id, &rc_id))
HGOTO_ERROR(H5E_INDEX, H5E_CANTGET, NULL, "can't get rc_id from xapl");
if (NULL == (dummy = (H5X_dummy_t *) H5MM_malloc(sizeof(H5X_dummy_t))))
HGOTO_ERROR(H5E_INDEX, H5E_NOSPACE, NULL, "can't allocate dummy struct");
dummy->dataset_id = dataset_id;
dummy->idx_token_size = metadata_size;
if (NULL == (dummy->idx_token = H5MM_malloc(dummy->idx_token_size)))
HGOTO_ERROR(H5E_INDEX, H5E_NOSPACE, NULL, "can't allocate token");
HDmemcpy(dummy->idx_token, metadata, dummy->idx_token_size);
/* TODO do that like this for now */
H5RCget_version(rc_id, &c_version);
trans_id = H5TRcreate(file_id, rc_id, c_version);
if (FAIL == (dummy->idx_anon_id = H5Oopen_by_token(dummy->idx_token,
trans_id, H5_EVENT_STACK_NULL)))
HGOTO_ERROR(H5E_INDEX, H5E_CANTOPENOBJ, NULL, "can't open anonymous dataset");
H5TRclose(trans_id);
ret_value = dummy;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_open() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_close
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_close(void *idx_handle)
{
H5X_dummy_t *dummy = (H5X_dummy_t *) idx_handle;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_close\n");
if (NULL == dummy)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL index handle");
/* Close anonymous dataset */
if (FAIL == H5Dclose_ff(dummy->idx_anon_id, H5_EVENT_STACK_NULL))
HGOTO_ERROR(H5E_INDEX, H5E_CANTCLOSEOBJ, FAIL, "can't close anonymous dataset for index");
H5MM_free(dummy->idx_token);
H5MM_free(dummy);
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_close() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_pre_update
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_pre_update(void *idx_handle, hid_t dataspace_id, hid_t xxpl_id)
{
H5X_dummy_t *dummy = (H5X_dummy_t *) idx_handle;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_pre_update\n");
if (NULL == dummy)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL index handle");
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_pre_update() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_post_update
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_post_update(void *idx_handle, const void *buf, hid_t dataspace_id,
hid_t xxpl_id)
{
H5X_dummy_t *dummy = (H5X_dummy_t *) idx_handle;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_post_update\n");
if (NULL == dummy)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL index handle");
/* Update index elements */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_post_update() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_query
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_query(void *idx_handle, hid_t query_id, hid_t xxpl_id,
hid_t *dataspace_id)
{
H5X_dummy_t *dummy = (H5X_dummy_t *) idx_handle;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
printf("Calling H5X_dummy_query\n");
if (NULL == dummy)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL index handle");
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_query() */
|
