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
|
#include "h5dsm_example.h"
int main(int argc, char *argv[]) {
uuid_t pool_uuid;
char *pool_grp = NULL;
hid_t file = -1, grp = -1, fapl = -1;
H5VL_daosm_snap_id_t snap_id;
(void)MPI_Init(&argc, &argv);
if(argc < 4 || argc > 5)
PRINTF_ERROR("argc must be 4 or 5\n");
/* Parse UUID */
if(0 != uuid_parse(argv[1], pool_uuid))
ERROR;
/* Initialize VOL */
if(H5VLdaosm_init(MPI_COMM_WORLD, pool_uuid, pool_grp) < 0)
ERROR;
/* Set up FAPL */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
ERROR;
if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL) < 0)
ERROR;
if(H5Pset_all_coll_metadata_ops(fapl, true) < 0)
ERROR;
/* Open file */
if((file = H5Fopen(argv[2], H5F_ACC_RDWR, fapl)) < 0)
ERROR;
printf("Creating group\n");
/* Create group */
if((grp = H5Gcreate2(file, argv[3], H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
ERROR;
/* Save snapshot if requested */
if(argc == 5) {
if(H5VLdaosm_snap_create(file, &snap_id) < 0)
ERROR;
printf("Saved snapshot: snap_id = %llu\n", (long long unsigned)snap_id);
} /* end if */
/* Close */
if(H5Gclose(grp) < 0)
ERROR;
if(H5Fclose(file) < 0)
ERROR;
if(H5Pclose(fapl) < 0)
ERROR;
printf("Success\n");
(void)MPI_Finalize();
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(grp);
H5Fclose(file);
H5Pclose(fapl);
} H5E_END_TRY;
(void)MPI_Finalize();
return 1;
}
|