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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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[])
{
hid_t faplid = -1; /* file access property list ID (all files) */
hid_t src_sid = -1; /* source dataset's dataspace ID */
hid_t src_dcplid = -1; /* source dataset property list ID */
hid_t vds_sid = -1; /* VDS dataspace ID */
hid_t vds_dcplid = -1; /* VDS dataset property list ID */
hid_t fid = -1; /* HDF5 file ID */
hid_t did = -1; /* dataset ID */
hsize_t start[RANK]; /* starting point for hyperslab */
int map_start = -1; /* starting point in the VDS map */
int i; /* iterator */
/* Start by creating the virtual dataset (VDS) dataspace and creation
* property list. The individual source datasets are then created
* and the VDS map (stored in the VDS property list) is updated.
*/
/* Create VDS dcpl */
if((vds_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
TEST_ERROR
if(H5Pset_fill_value(vds_dcplid, VDS_DATATYPE,
&VDS_FILL_VALUE) < 0)
TEST_ERROR
/* Create VDS dataspace */
if((vds_sid = H5Screate_simple(RANK, VDS_DIMS,
VDS_MAX_DIMS)) < 0)
TEST_ERROR
/************************************
* Create source files and datasets *
************************************/
start[0] = 0;
start[1] = 0;
start[2] = 0;
map_start = 0;
/* 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
for(i = 0; i < N_SOURCES; i++) {
/* source dataset dcpl */
if((src_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
TEST_ERROR
if(H5Pset_chunk(src_dcplid, RANK, PLANES[i]) < 0)
TEST_ERROR
if(H5Pset_fill_value(src_dcplid, SOURCE_DATATYPE,
&FILL_VALUES[i]) < 0)
TEST_ERROR
/* Use a mix of compressed and uncompressed datasets */
if(0 != i % 2)
if(H5Pset_deflate(src_dcplid, COMPRESSION_LEVEL) < 0)
TEST_ERROR
/* Create source file, dataspace, and dataset */
if((fid = H5Fcreate(FILE_NAMES[i], H5F_ACC_TRUNC,
H5P_DEFAULT, faplid)) < 0)
TEST_ERROR
if((src_sid = H5Screate_simple(RANK, DIMS[i],
MAX_DIMS[i])) < 0)
TEST_ERROR
if((did = H5Dcreate2(fid, SOURCE_DSET_NAME,
SOURCE_DATATYPE, src_sid,
H5P_DEFAULT, src_dcplid, H5P_DEFAULT)) < 0)
TEST_ERROR
/* set up hyperslabs for source and destination datasets */
start[1] = 0;
if(H5Sselect_hyperslab(src_sid, H5S_SELECT_SET, start, NULL,
MAX_DIMS[i], NULL) < 0)
TEST_ERROR
start[1] = map_start;
if(H5Sselect_hyperslab(vds_sid, H5S_SELECT_SET, start, NULL,
MAX_DIMS[i], NULL) < 0)
TEST_ERROR
map_start += PLANES[i][1];
/* Add VDS mapping */
if(H5Pset_virtual(vds_dcplid, vds_sid, FILE_NAMES[i],
SOURCE_DSET_PATH, src_sid) < 0)
TEST_ERROR
/* close */
if(H5Sclose(src_sid) < 0)
TEST_ERROR
if(H5Pclose(src_dcplid) < 0)
TEST_ERROR
if(H5Dclose(did) < 0)
TEST_ERROR
if(H5Fclose(fid) < 0)
TEST_ERROR
} /* end for */
/*******************
* Create VDS file *
*******************/
/* file */
if((fid = H5Fcreate(VDS_FILE_NAME, H5F_ACC_TRUNC,
H5P_DEFAULT, faplid)) < 0)
TEST_ERROR
/* dataset */
if((did = H5Dcreate2(fid, VDS_DSET_NAME, VDS_DATATYPE, vds_sid,
H5P_DEFAULT, vds_dcplid, H5P_DEFAULT)) < 0)
TEST_ERROR
/* close */
if(H5Pclose(faplid) < 0)
TEST_ERROR
if(H5Pclose(vds_dcplid) < 0)
TEST_ERROR
if(H5Sclose(vds_sid) < 0)
TEST_ERROR
if(H5Dclose(did) < 0)
TEST_ERROR
if(H5Fclose(fid) < 0)
TEST_ERROR
return EXIT_SUCCESS;
error:
H5E_BEGIN_TRY {
if(faplid >= 0)
(void)H5Pclose(faplid);
if(src_sid >= 0)
(void)H5Sclose(src_sid);
if(src_dcplid >= 0)
(void)H5Pclose(src_dcplid);
if(vds_sid >= 0)
(void)H5Sclose(vds_sid);
if(vds_dcplid >= 0)
(void)H5Pclose(vds_dcplid);
if(fid >= 0)
(void)H5Fclose(fid);
if(did >= 0)
(void)H5Dclose(did);
} H5E_END_TRY
return EXIT_FAILURE;
} /* end main */
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