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#include "h5dsm_example.h"
int main(int argc, char *argv[]) {
uuid_t pool_uuid;
char *pool_grp = "daos_tier0";
hid_t file = -1, grp = -1, trans = -1, fapl = -1;
hsize_t dims[1] = {1};
uint64_t trans_num;
(void)MPI_Init(&argc, &argv);
(void)daos_init();
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;
/* Set up FAPL */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
ERROR;
if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0)
ERROR;
/* Open file */
if((file = H5Fopen_ff(argv[2], H5F_ACC_RDONLY, fapl, argc == 4 ? &trans : NULL)) < 0)
ERROR;
/* Create transaction if specified */
if(argc == 5) {
trans_num = (uint64_t)atoi(argv[4]);
if((trans = H5TRcreate(file, trans_num)) < 0)
ERROR;
}
else
if(H5TRget_trans_num(trans, &trans_num) < 0)
ERROR;
printf("Opening group - transaction number = %llu\n", (long long unsigned)trans_num);
/* Open group */
if((grp = H5Gopen_ff(file, argv[3], H5P_DEFAULT, trans)) < 0)
ERROR;
/* Close */
if(H5Gclose_ff(grp, -1) < 0)
ERROR;
if(H5TRclose(trans) < 0)
ERROR;
if(H5Fclose_ff(file, -1) < 0)
ERROR;
if(H5Pclose(fapl) < 0)
ERROR;
printf("Success\n");
(void)daos_fini();
(void)MPI_Finalize();
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose_ff(grp, -1);
H5TRclose(trans);
H5Fclose_ff(file, -1);
H5Pclose(fapl);
} H5E_END_TRY;
(void)daos_fini();
(void)MPI_Finalize();
return 1;
}
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