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
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Oflush.c
* Aug 19, 2010
* Mike McGreevy <mamcgree@hdfgroup.org>
*
* Purpose: Object flush/refresh routines.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5F_PACKAGE /* suppress error about including H5Fpkg */
#define H5O_PACKAGE /* suppress error about including H5Opkg */
/***********/
/* Headers */
/***********/
#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Errors */
#include "H5Fpkg.h" /* Files */
#include "H5Opkg.h" /* Objects */
/*************/
/* Functions */
/*************/
/*-------------------------------------------------------------------------
* Function: H5Oflush
*
* Purpose: Flushes all buffers associated with an object to disk.
*
* Return: Non-negative on success, negative on failure
*
* Programmer: Mike McGreevy
* May 19, 2010
*
*-------------------------------------------------------------------------
*/
herr_t
H5Oflush(hid_t obj_id)
{
H5O_loc_t *oloc; /* object location */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(H5Oflush, FAIL)
H5TRACE1("e", "i", obj_id);
/* Check args */
if((oloc = H5O_get_loc(obj_id)) == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an object")
/* Private function */
if (H5O_flush_metadata(oloc, H5AC_dxpl_id) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to flush object")
done:
FUNC_LEAVE_API(ret_value)
} /* H5Oflush */
/*-------------------------------------------------------------------------
* Function: H5O_flush_metadata
*
* Purpose: Flush any metadata associated with this object.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Mike McGreevy
* May 19, 2010
*
*-------------------------------------------------------------------------
*/
herr_t
H5O_flush_metadata(const H5O_loc_t *oloc, hid_t dxpl_id)
{
H5O_t *oh = NULL; /* Object header */
herr_t ret_value = SUCCEED; /* Return value */
haddr_t tag = 0;
FUNC_ENTER_NOAPI(H5O_flush_metadata, FAIL)
/* Check args */
HDassert(oloc);
/* Get object header for object */
if(NULL == (oh = H5O_protect(oloc, dxpl_id, H5AC_READ)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object's object header")
/* Get object header's address (i.e. the tag value for this object) */
if (HADDR_UNDEF == (tag = H5O_OH_GET_ADDR(oh)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get address of object header")
/* Unprotect object header before attempting to flush it */
if(oh && H5O_unprotect(oloc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
/* Reset object header pointer */
oh = NULL;
/* Flush metadata based on tag value of the object */
if (H5F_flush_tagged_metadata(oloc->file, tag, dxpl_id)<0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata")
done:
/* Unprotect object header on failure */
if(oh && H5O_unprotect(oloc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_flush_metadata() */
/*-------------------------------------------------------------------------
* Function: H5Orefresh
*
* Purpose: Refreshes all buffers associated with an object.
*
* Return: Non-negative on success, negative on failure
*
* Programmer: Mike McGreevy
* July 28, 2010
*
*-------------------------------------------------------------------------
*/
herr_t
H5Orefresh(hid_t oid)
{
H5O_loc_t *oloc; /* object location */
hid_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(H5Orefresh, FAIL)
H5TRACE1("e", "i", oid);
/* Check args */
if((oloc = H5O_get_loc(oid)) == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an object")
/* Private function */
if ((H5O_refresh_metadata(oid, *oloc, H5AC_dxpl_id)) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to refresh object")
done:
FUNC_LEAVE_API(ret_value)
} /* H5Orefresh */
/*-------------------------------------------------------------------------
* Function: H5O_refresh_metadata
*
* Purpose: Internal routine that refreshes all buffers associated with
* an object.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Mike McGreevy
* July 28, 2010
*
*-------------------------------------------------------------------------
*/
herr_t
H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc, hid_t dxpl_id)
{
void *object = NULL; /* Dataset for this operation */
haddr_t tag = 0;
H5O_t *oh = NULL;
H5G_loc_t obj_loc;
H5G_loc_t tmp_loc;
H5G_name_t obj_path;
H5O_loc_t obj_oloc;
hid_t ret_value = SUCCEED;
H5I_type_t type;
FUNC_ENTER_NOAPI(H5O_refresh_metadata, FAIL)
/* Get the object's object header */
if(NULL == (oh = H5O_protect(&oloc, dxpl_id, H5AC_READ)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object's object header")
/* Get object's type */
type = H5I_get_type(oid);
/* Make deep local copy of object's location information */
H5G_loc(oid, &tmp_loc);
obj_loc.oloc = &obj_oloc;
obj_loc.path = &obj_path;
H5G_loc_reset(&obj_loc);
H5G_loc_copy(&obj_loc, &tmp_loc, H5_COPY_DEEP);
/* Get object header's address (i.e. the tag value for this object) */
if (HADDR_UNDEF == (tag = H5O_OH_GET_ADDR(oh)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get address of object header")
/* Get object's type */
type = H5I_get_type(oid);
/* Unprotect object header before attempting to flush it */
if(oh && H5O_unprotect(&oloc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
/* Reset object header pointer */
oh = NULL;
/* Close the object */
if(H5I_dec_ref(oid, TRUE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to close object")
/* Flush the object's metadata before evicting it */
if (H5O_flush_metadata(&oloc, dxpl_id) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTFLUSH, FAIL, "unable to flush object's metadata")
/* Evict the object's tagged metadata */
if (H5F_evict_tagged_metadata(oloc.file, tag, dxpl_id)<0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to evict metadata")
switch (type)
{
case(H5I_GROUP):
/* Re-open the group */
if(NULL == (object = H5G_open(&obj_loc, dxpl_id)))
HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, FAIL, "unable to open group")
break;
case(H5I_DATATYPE):
/* Re-open the named datatype */
if(NULL == (object = H5T_open(&obj_loc, dxpl_id)))
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to open named datatype")
break;
case(H5I_DATASET):
/* Re-open the dataset */
if(NULL == (object = H5D_open(&obj_loc, H5P_DATASET_ACCESS_DEFAULT, dxpl_id)))
HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to open dataset")
break;
case(H5I_UNINIT):
case(H5I_BADID):
case(H5I_FILE):
case(H5I_DATASPACE):
case(H5I_ATTR):
case(H5I_REFERENCE):
case(H5I_VFL):
case(H5I_GENPROP_CLS):
case(H5I_GENPROP_LST):
case(H5I_ERROR_CLASS):
case(H5I_ERROR_MSG):
case(H5I_ERROR_STACK):
case(H5I_NTYPES):
default:
HGOTO_ERROR(H5E_ARGS, H5E_CANTRELEASE, FAIL, "not a valid file object ID (dataset, group, or datatype)")
break;
} /* end switch */
/* Re-register ID for the object */
if((H5I_register_with_id(type, object, TRUE, oid)) < 0)
HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to re-register object atom")
done:
/* Unprotect object header on failure */
if(oh && H5O_unprotect(&oloc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
FUNC_LEAVE_NOAPI(ret_value);
} /* H5O_refresh_metadata */
|
