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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[])
{
int file_number = -1; /* Source file number */
hid_t fid = -1; /* HDF5 file ID */
hid_t faplid = -1; /* file access property list ID */
hid_t did = -1; /* dataset ID */
hid_t msid = -1; /* memory dataspace ID */
hid_t fsid = -1; /* file dataspace ID */
hsize_t extent[RANK]; /* dataset extents */
hsize_t start[RANK]; /* hyperslab start point */
int *buffer = NULL; /* data buffer */
int value = -1; /* value written to datasets */
hsize_t n_elements = 0; /* number of elements in a plane */
hsize_t i; /* iterator */
hsize_t j; /* iterator */
/******************************
* Fill a source dataset file *
******************************/
/* The file number is passed on the command line.
* This is an integer index into the FILE_NAMES array.
*/
if(argc != 2) {
HDfprintf(stderr, "ERROR: Must pass the source file number on the command line.\n");
return EXIT_FAILURE;
}
file_number = HDatoi(argv[1]);
if(file_number < 0 || file_number >= N_SOURCES)
TEST_ERROR
/* Open the source file and dataset */
/* 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
if((fid = H5Fopen(FILE_NAMES[file_number], H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE, faplid)) < 0)
TEST_ERROR
if((did = H5Dopen2(fid, SOURCE_DSET_PATH, H5P_DEFAULT)) < 0)
TEST_ERROR
/* Create a data buffer that represents a plane */
n_elements = PLANES[file_number][1] * PLANES[file_number][2];
if(NULL == (buffer = (int *)HDmalloc(n_elements * sizeof(int))))
TEST_ERROR
/* Create the memory dataspace */
if((msid = H5Screate_simple(RANK, PLANES[file_number], NULL)) < 0)
TEST_ERROR
/* Write planes to the dataset */
for(i = 0; i < N_PLANES_TO_WRITE; i++) {
unsigned delay; /* Time interval between plane writes */
/* Cork the dataset's metadata in the cache */
if(H5Odisable_mdc_flushes(did) < 0)
TEST_ERROR
/* Set the dataset's extent. This is inefficient but that's ok here. */
extent[0] = i + 1;
extent[1] = PLANES[file_number][1];
extent[2] = PLANES[file_number][2];
if(H5Dset_extent(did, extent) < 0)
TEST_ERROR
/* Get the file dataspace */
if((fsid = H5Dget_space(did)) < 0)
TEST_ERROR
/* Each plane is filled with the plane number as a data value. */
value = (((int)i + 1) * 10) + (int)i;
for(j = 0; j < n_elements; j++)
buffer[j] = value;
/* Set up the hyperslab for writing. */
start[0] = i;
start[1] = 0;
start[2] = 0;
if(H5Sselect_hyperslab(fsid, H5S_SELECT_SET, start, NULL, PLANES[file_number], NULL) < 0)
TEST_ERROR
/* Write the plane to the dataset. */
if(H5Dwrite(did, H5T_NATIVE_INT, msid, fsid, H5P_DEFAULT, buffer) < 0)
TEST_ERROR
/* Uncork the dataset's metadata from the cache */
if(H5Oenable_mdc_flushes(did) < 0)
TEST_ERROR
/* Wait one second between writing planes */
delay = HDtime(0) + 1;
while(HDtime(0) < delay)
;
/* Flush */
if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
TEST_ERROR
} /* end for */
if(H5Pclose(faplid) < 0)
TEST_ERROR
if(H5Sclose(msid) < 0)
TEST_ERROR
if(H5Sclose(fsid) < 0)
TEST_ERROR
if(H5Dclose(did) < 0)
TEST_ERROR
if(H5Fclose(fid) < 0)
TEST_ERROR
HDfree(buffer);
HDfprintf(stderr, "SWMR writer exited successfully\n");
return EXIT_SUCCESS;
error:
H5E_BEGIN_TRY {
if(fid >= 0)
(void)H5Fclose(fid);
if(faplid >= 0)
(void)H5Pclose(faplid);
if(did >= 0)
(void)H5Dclose(did);
if(msid >= 0)
(void)H5Sclose(msid);
if(fsid >= 0)
(void)H5Sclose(fsid);
if(buffer != NULL)
HDfree(buffer);
} H5E_END_TRY
HDfprintf(stderr, "ERROR: SWMR writer exited with errors\n");
return EXIT_FAILURE;
} /* end main */
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