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https://github.com/HDFGroup/hdf5.git
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195 lines
6.8 KiB
C
195 lines
6.8 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "h5test.h"
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#include "vds_swmr.h"
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/* Max number of planes in the dataset */
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#define N_MAX_PLANES H5S_UNLIMITED
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/* Dataset datatypes */
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#define SOURCE_DATATYPE H5T_STD_I32LE
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#define VDS_DATATYPE H5T_STD_I32LE
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/* Starting size of datasets, both source and VDS */
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static hsize_t DIMS[N_SOURCES][RANK] = {{0, SM_HEIGHT, WIDTH}, {0, LG_HEIGHT, WIDTH}, {0, SM_HEIGHT, WIDTH},
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{0, LG_HEIGHT, WIDTH}, {0, SM_HEIGHT, WIDTH}, {0, LG_HEIGHT, WIDTH}};
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static hsize_t VDS_DIMS[RANK] = {0, FULL_HEIGHT, WIDTH};
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/* Maximum size of datasets, both source and VDS.
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* NOTE: Theoretical (i.e.: H5S_UNLIMITED), not the actual max
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* number of planes written out by the writers before they stop.
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* That number is specified separately.
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*/
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static hsize_t MAX_DIMS[N_SOURCES][RANK] = {
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{N_MAX_PLANES, SM_HEIGHT, WIDTH}, {N_MAX_PLANES, LG_HEIGHT, WIDTH}, {N_MAX_PLANES, SM_HEIGHT, WIDTH},
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{N_MAX_PLANES, LG_HEIGHT, WIDTH}, {N_MAX_PLANES, SM_HEIGHT, WIDTH}, {N_MAX_PLANES, LG_HEIGHT, WIDTH}};
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static hsize_t VDS_MAX_DIMS[RANK] = {N_MAX_PLANES, FULL_HEIGHT, WIDTH};
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static char SOURCE_DSET_NAME[NAME_LEN] = "source_dset";
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static int32_t FILL_VALUES[N_SOURCES] = {-1, -2, -3, -4, -5, -6};
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static int32_t VDS_FILL_VALUE = -9;
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int
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main(void)
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{
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hid_t faplid = H5I_INVALID_HID; /* file access property list ID (all files) */
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hid_t src_sid = H5I_INVALID_HID; /* source dataset's dataspace ID */
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hid_t src_dcplid = H5I_INVALID_HID; /* source dataset property list ID */
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hid_t vds_sid = H5I_INVALID_HID; /* VDS dataspace ID */
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hid_t vds_dcplid = H5I_INVALID_HID; /* VDS dataset property list ID */
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hid_t fid = H5I_INVALID_HID; /* HDF5 file ID */
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hid_t did = H5I_INVALID_HID; /* dataset ID */
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hsize_t start[RANK]; /* starting point for hyperslab */
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int map_start = -1; /* starting point in the VDS map */
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int i; /* iterator */
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/* Start by creating the virtual dataset (VDS) dataspace and creation
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* property list. The individual source datasets are then created
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* and the VDS map (stored in the VDS property list) is updated.
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*/
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/* Create VDS dcpl */
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if ((vds_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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TEST_ERROR;
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if (H5Pset_fill_value(vds_dcplid, VDS_DATATYPE, &VDS_FILL_VALUE) < 0)
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TEST_ERROR;
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/* Create VDS dataspace */
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if ((vds_sid = H5Screate_simple(RANK, VDS_DIMS, VDS_MAX_DIMS)) < 0)
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TEST_ERROR;
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/************************************
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* Create source files and datasets *
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************************************/
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start[0] = 0;
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start[1] = 0;
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start[2] = 0;
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map_start = 0;
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/* All SWMR files need to use the latest file format */
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if ((faplid = h5_fileaccess()) < 0)
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TEST_ERROR;
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if (H5Pset_libver_bounds(faplid, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
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TEST_ERROR;
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for (i = 0; i < N_SOURCES; i++) {
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/* source dataset dcpl */
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if ((src_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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TEST_ERROR;
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if (H5Pset_chunk(src_dcplid, RANK, PLANES[i]) < 0)
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TEST_ERROR;
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if (H5Pset_fill_value(src_dcplid, SOURCE_DATATYPE, &FILL_VALUES[i]) < 0)
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TEST_ERROR;
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/* Use a mix of compressed and uncompressed datasets */
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if (0 != i % 2)
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if (H5Pset_deflate(src_dcplid, COMPRESSION_LEVEL) < 0)
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TEST_ERROR;
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/* Create source file, dataspace, and dataset */
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if ((fid = H5Fcreate(FILE_NAMES[i], H5F_ACC_TRUNC, H5P_DEFAULT, faplid)) < 0)
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TEST_ERROR;
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if ((src_sid = H5Screate_simple(RANK, DIMS[i], MAX_DIMS[i])) < 0)
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TEST_ERROR;
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if ((did = H5Dcreate2(fid, SOURCE_DSET_NAME, SOURCE_DATATYPE, src_sid, H5P_DEFAULT, src_dcplid,
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H5P_DEFAULT)) < 0)
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TEST_ERROR;
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/* set up hyperslabs for source and destination datasets */
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start[1] = 0;
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if (H5Sselect_hyperslab(src_sid, H5S_SELECT_SET, start, NULL, MAX_DIMS[i], NULL) < 0)
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TEST_ERROR;
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start[1] = (hsize_t)map_start;
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if (H5Sselect_hyperslab(vds_sid, H5S_SELECT_SET, start, NULL, MAX_DIMS[i], NULL) < 0)
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TEST_ERROR;
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if (PLANES[i][1] > INT_MAX)
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TEST_ERROR;
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map_start += (int)PLANES[i][1];
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/* Add VDS mapping */
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if (H5Pset_virtual(vds_dcplid, vds_sid, FILE_NAMES[i], SOURCE_DSET_PATH, src_sid) < 0)
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TEST_ERROR;
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/* close */
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if (H5Sclose(src_sid) < 0)
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TEST_ERROR;
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if (H5Pclose(src_dcplid) < 0)
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TEST_ERROR;
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if (H5Dclose(did) < 0)
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TEST_ERROR;
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if (H5Fclose(fid) < 0)
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TEST_ERROR;
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} /* end for */
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/*******************
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* Create VDS file *
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*******************/
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/* file */
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if ((fid = H5Fcreate(VDS_FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, faplid)) < 0)
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TEST_ERROR;
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/* dataset */
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if ((did = H5Dcreate2(fid, VDS_DSET_NAME, VDS_DATATYPE, vds_sid, H5P_DEFAULT, vds_dcplid, H5P_DEFAULT)) <
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0)
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TEST_ERROR;
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/* close */
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if (H5Pclose(faplid) < 0)
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TEST_ERROR;
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if (H5Pclose(vds_dcplid) < 0)
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TEST_ERROR;
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if (H5Sclose(vds_sid) < 0)
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TEST_ERROR;
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if (H5Dclose(did) < 0)
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TEST_ERROR;
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if (H5Fclose(fid) < 0)
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TEST_ERROR;
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return EXIT_SUCCESS;
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error:
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H5E_BEGIN_TRY
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{
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if (faplid >= 0)
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(void)H5Pclose(faplid);
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if (src_sid >= 0)
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(void)H5Sclose(src_sid);
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if (src_dcplid >= 0)
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(void)H5Pclose(src_dcplid);
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if (vds_sid >= 0)
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(void)H5Sclose(vds_sid);
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if (vds_dcplid >= 0)
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(void)H5Pclose(vds_dcplid);
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if (fid >= 0)
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(void)H5Fclose(fid);
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if (did >= 0)
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(void)H5Dclose(did);
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}
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H5E_END_TRY
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return EXIT_FAILURE;
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} /* end main */
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