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220 lines
7.2 KiB
C
220 lines
7.2 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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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 files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* File/dataset generator for VDS use case 4
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*
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* See the header file for a description.
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*/
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#include <stdlib.h>
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#include <hdf5.h>
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#include "UC_common.h"
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#include "UC_4.h"
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int
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main(void)
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{
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hid_t src_sid = -1; /* source dataset's dataspace ID */
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hid_t src_dcplid = -1; /* source dataset property list ID */
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hid_t vds_sid = -1; /* VDS dataspace ID */
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hid_t vds_dcplid = -1; /* VDS dataset property list ID */
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hid_t fid = -1; /* HDF5 file ID */
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hid_t did = -1; /* dataset ID */
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hid_t msid = -1; /* memory dataspace ID */
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hid_t fsid = -1; /* file dataspace ID */
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/* Hyperslab arrays */
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hsize_t start[RANK] = {0, 0, 0};
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hsize_t count[RANK] = {H5S_UNLIMITED, 1, 1};
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int *buffer = NULL; /* data buffer */
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int value = -1; /* value written to datasets */
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hsize_t n = 0; /* number of elements in a plane */
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int i; /* iterator */
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int j; /* iterator */
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hsize_t k; /* iterator */
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/************************************
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* Create source files and datasets *
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************************************/
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/* Create source dataspace ID */
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if((src_sid = H5Screate_simple(RANK, UC_4_SOURCE_DIMS,
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UC_4_SOURCE_MAX_DIMS)) < 0)
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UC_ERROR
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if(H5Sselect_hyperslab(src_sid, H5S_SELECT_SET, start, NULL,
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UC_4_SOURCE_MAX_DIMS, NULL) < 0)
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UC_ERROR
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/* Create source files and datasets */
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for(i = 0; i < UC_4_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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UC_ERROR
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if(H5Pset_chunk(src_dcplid, RANK, UC_4_PLANE) < 0)
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UC_ERROR
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if(H5Pset_fill_value(src_dcplid, UC_4_SOURCE_DATATYPE,
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&UC_4_FILL_VALUES[i]) < 0)
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UC_ERROR
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if(H5Pset_deflate(src_dcplid, COMPRESSION_LEVEL) < 0)
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UC_ERROR
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/* Create source file and dataset */
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if((fid = H5Fcreate(UC_4_FILE_NAMES[i], H5F_ACC_TRUNC,
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H5P_DEFAULT, H5P_DEFAULT)) < 0)
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UC_ERROR
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if((did = H5Dcreate2(fid, UC_4_SOURCE_DSET_NAME,
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UC_4_SOURCE_DATATYPE, src_sid,
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H5P_DEFAULT, src_dcplid, H5P_DEFAULT)) < 0)
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UC_ERROR
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/* Set the dataset's extent */
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if(H5Dset_extent(did, UC_4_SOURCE_MAX_DIMS) < 0)
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UC_ERROR
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/* Create a data buffer that represents a plane */
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n = UC_4_PLANE[1] * UC_4_PLANE[2];
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if(NULL == (buffer = (int *)malloc(n * sizeof(int))))
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UC_ERROR
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/* Create the memory dataspace */
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if((msid = H5Screate_simple(RANK, UC_4_PLANE, NULL)) < 0)
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UC_ERROR
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/* Get the file dataspace */
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if((fsid = H5Dget_space(did)) < 0)
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UC_ERROR
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/* Write planes to the dataset */
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for(j = 0; j < UC_4_SRC_PLANES; j++) {
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value = ((i + 1) * 10) + j;
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for(k = 0; k < n; k++)
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buffer[k] = value;
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start[0] = (hsize_t)j;
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start[1] = 0;
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start[2] = 0;
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if(H5Sselect_hyperslab(fsid, H5S_SELECT_SET, start, NULL, UC_4_PLANE, NULL) < 0)
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UC_ERROR
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if(H5Dwrite(did, H5T_NATIVE_INT, msid, fsid, H5P_DEFAULT, buffer) < 0)
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UC_ERROR
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} /* end for */
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/* close */
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if(H5Sclose(msid) < 0)
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UC_ERROR
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if(H5Sclose(fsid) < 0)
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UC_ERROR
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if(H5Pclose(src_dcplid) < 0)
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UC_ERROR
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if(H5Dclose(did) < 0)
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UC_ERROR
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if(H5Fclose(fid) < 0)
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UC_ERROR
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free(buffer);
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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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/* Create file */
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if((fid = H5Fcreate(UC_4_VDS_FILE_NAME, H5F_ACC_TRUNC,
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H5P_DEFAULT, H5P_DEFAULT)) < 0)
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UC_ERROR
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/* Create VDS dcpl */
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if((vds_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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UC_ERROR
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if(H5Pset_fill_value(vds_dcplid, UC_4_VDS_DATATYPE,
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&UC_4_VDS_FILL_VALUE) < 0)
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UC_ERROR
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/* Create VDS dataspace */
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if((vds_sid = H5Screate_simple(RANK, UC_4_VDS_DIMS,
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UC_4_VDS_MAX_DIMS)) < 0)
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UC_ERROR
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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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if(H5Sselect_hyperslab(vds_sid, H5S_SELECT_SET, start,
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UC_4_SOURCE_MAX_DIMS, count, UC_4_SOURCE_MAX_DIMS) < 0)
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UC_ERROR
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/* Add VDS mapping - The mapped file name uses a printf-like
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* naming scheme that automatically maps new files.
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*/
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if(H5Pset_virtual(vds_dcplid, vds_sid, UC_4_MAPPING_FILE_NAME,
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UC_4_SOURCE_DSET_PATH, src_sid) < 0)
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UC_ERROR
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/* Create dataset */
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if((did = H5Dcreate2(fid, UC_4_VDS_DSET_NAME, UC_4_VDS_DATATYPE, vds_sid,
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H5P_DEFAULT, vds_dcplid, H5P_DEFAULT)) < 0)
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UC_ERROR
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/* close */
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if(H5Sclose(src_sid) < 0)
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UC_ERROR
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if(H5Pclose(vds_dcplid) < 0)
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UC_ERROR
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if(H5Sclose(vds_sid) < 0)
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UC_ERROR
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if(H5Dclose(did) < 0)
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UC_ERROR
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if(H5Fclose(fid) < 0)
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UC_ERROR
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return EXIT_SUCCESS;
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error:
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H5E_BEGIN_TRY {
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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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if(msid >= 0)
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(void)H5Sclose(msid);
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if(fsid >= 0)
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(void)H5Sclose(fsid);
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if(buffer != NULL)
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free(buffer);
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} H5E_END_TRY
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return EXIT_FAILURE;
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} /* end main() */
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