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
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "h5test.h"
#include "vds_swmr.h"
int
main(int argc, char *argv[])
{
int file_number = -1; /* Source file number */
hid_t fid = -1; /* HDF5 file ID */
hid_t faplid = -1; /* file access property list ID */
hid_t did = -1; /* dataset ID */
hid_t msid = -1; /* memory dataspace ID */
hid_t fsid = -1; /* file dataspace ID */
hsize_t extent[RANK]; /* dataset extents */
hsize_t start[RANK]; /* hyperslab start point */
int *buffer = NULL; /* data buffer */
int value = -1; /* value written to datasets */
hsize_t n_elements = 0; /* number of elements in a plane */
hsize_t i; /* iterator */
hsize_t j; /* iterator */
/******************************
* Fill a source dataset file *
******************************/
/* The file number is passed on the command line.
* This is an integer index into the FILE_NAMES array.
*/
if(argc != 2) {
HDfprintf(stderr, "ERROR: Must pass the source file number on the command line.\n");
return EXIT_FAILURE;
}
file_number = atoi(argv[1]);
if(file_number < 0 || file_number >= N_SOURCES)
TEST_ERROR
/* Open the source file and dataset */
/* All SWMR files need to use the latest file format */
if((faplid = H5Pcreate(H5P_FILE_ACCESS)) < 0)
TEST_ERROR
if(H5Pset_libver_bounds(faplid, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
TEST_ERROR
if((fid = H5Fopen(FILE_NAMES[file_number], H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE, faplid)) < 0)
TEST_ERROR
if((did = H5Dopen2(fid, SOURCE_DSET_PATH, H5P_DEFAULT)) < 0)
TEST_ERROR
/* Create a data buffer that represents a plane */
n_elements = PLANES[file_number][1] * PLANES[file_number][2];
if(NULL == (buffer = (int *)HDmalloc(n_elements * sizeof(int))))
TEST_ERROR
/* Create the memory dataspace */
if((msid = H5Screate_simple(RANK, PLANES[file_number], NULL)) < 0)
TEST_ERROR
/* Write planes to the dataset */
for(i = 0; i < N_PLANES_TO_WRITE; i++) {
unsigned delay; /* Time interval between plane writes */
/* Set the dataset's extent. This is inefficient but that's ok here. */
extent[0] = i + 1;
extent[1] = PLANES[file_number][1];
extent[2] = PLANES[file_number][2];
if(H5Dset_extent(did, extent) < 0)
TEST_ERROR
/* Get the file dataspace */
if((fsid = H5Dget_space(did)) < 0)
TEST_ERROR
/* Each plane is filled with the plane number as a data value. */
value = (((int)i + 1) * 10) + (int)i;
for(j = 0; j < n_elements; j++)
buffer[j] = value;
/* Set up the hyperslab for writing. */
start[0] = i;
start[1] = 0;
start[2] = 0;
if(H5Sselect_hyperslab(fsid, H5S_SELECT_SET, start, NULL, PLANES[file_number], NULL) < 0)
TEST_ERROR
/* Write the plane to the dataset. */
if(H5Dwrite(did, H5T_NATIVE_INT, msid, fsid, H5P_DEFAULT, buffer) < 0)
TEST_ERROR
/* Wait one second between writing planes */
delay = time(0) + 1;
while(time(0) < delay)
;
/* Flush */
if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
TEST_ERROR
} /* end for */
if(H5Pclose(faplid) < 0)
TEST_ERROR
if(H5Sclose(msid) < 0)
TEST_ERROR
if(H5Sclose(fsid) < 0)
TEST_ERROR
if(H5Dclose(did) < 0)
TEST_ERROR
if(H5Fclose(fid) < 0)
TEST_ERROR
HDfree(buffer);
HDfprintf(stderr, "SWMR writer exited successfully\n");
return EXIT_SUCCESS;
error:
H5E_BEGIN_TRY {
if(fid >= 0)
(void)H5Fclose(fid);
if(faplid >= 0)
(void)H5Pclose(faplid);
if(did >= 0)
(void)H5Dclose(did);
if(msid >= 0)
(void)H5Sclose(msid);
if(fsid >= 0)
(void)H5Sclose(fsid);
if(buffer != NULL)
HDfree(buffer);
} H5E_END_TRY
HDfprintf(stderr, "ERROR: SWMR writer exited with errors\n");
return EXIT_FAILURE;
} /* end main */
|
