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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Pedro Vicente <pvn@hdfgroup.edu>
* April 7, 2008
*
* Purpose: Tests chunk query API functions
*/
#include "h5test.h"
/* #define PRINT_DATA
*/
#define H5FILE_NAME "chunk_info.h5"
#define DATASETNAME "2d"
#define RANK 2
#define FILENAME_BUF_SIZE 1024
/* Parameters for testing chunk querying */
#define FILENAME "tchunk_info"
#define DSET_SIMPLE_CHUNKED "Chunked Dataset"
#define DSET_EMPTY "Empty Dataset"
#define NX 16
#define NY 16
#define CHUNK_NX 4
#define CHUNK_NY 4
#define CHUNK_SIZE 64
#define NUM_CHUNKS_WRITTEN 4
void reinit_vars(unsigned *read_filter_mask, haddr_t *addr, hsize_t *size);
/*-------------------------------------------------------------------------
* Function: read_each_chunk (helper function)
*
* Purpose: Reads the chunk specified by its offset and verifies that
* it contains the same data as what was written. This function
* is used in test_get_chunk_info.
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Date: September 2018
*
*-------------------------------------------------------------------------
*/
static herr_t read_each_chunk(hid_t dset_id, hsize_t offset1, hsize_t offset2, void *direct_buf)
{
int read_buf[CHUNK_NX][CHUNK_NY];
hsize_t offset[2] = {offset1, offset2};
unsigned read_filter_mask = 0;
/* Read the raw chunk back */
HDmemset(&read_buf, 0, sizeof(read_buf));
/* Read the chunk specified by its offset */
if (H5Dread_chunk(dset_id, H5P_DEFAULT, offset, &read_filter_mask, read_buf) < 0)
return(FAIL);
/* Verify that read chunk is the same as the corresponding written one */
if (HDmemcmp(direct_buf, read_buf, CHUNK_NX*CHUNK_NY) != 0)
{
HDfprintf(stderr, "Read chunk differs from written chunk at offset (%d,%d)\n", offset1, offset2);
return(FAIL);
}
return(SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: reinit_vars (helper function)
*
* Purpose: Helper function to wipe out variables for the next use,
* used in test_get_chunk_info.
*
* Return: Won't fail
*
* Date: September 2018
*
*-------------------------------------------------------------------------
*/
void reinit_vars(unsigned *read_filter_mask, haddr_t *addr, hsize_t *size)
{
if (read_filter_mask)
*read_filter_mask = 0;
if (addr)
*addr = 0;
if (size)
*size = 0;
}
/*-------------------------------------------------------------------------
* Function: test_get_chunk_info
*
* Purpose: Test getting various chunk information
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Note: Note that the dataspace argument in these new functions are
* currently not used. The functionality involved the dataspace
* will be implemented in the next version.
*
* Description:
* This function tests the new API functions added for HDFFV-10615:
* H5Dget_num_chunks, H5Dget_chunk_info, and H5Dget_chunk_info_by_coord.
*
* Date: September 2018
*
*-------------------------------------------------------------------------
*/
static herr_t
test_get_chunk_info(void)
{
hid_t chunkfile = -1, fapl = -1;
hid_t fspace = -1, dset = -1;
hid_t mspace = -1;
hid_t cparms = -1, dxpl = -1;
hsize_t dims[2] = {NX, NY};
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] ={CHUNK_NX, CHUNK_NY};
int fillvalue = -1;
char filename[FILENAME_BUF_SIZE];
unsigned filter_mask = 0;
int direct_buf[16][CHUNK_NX][CHUNK_NY];
int out_buf[NX][NY];
size_t buf_size = CHUNK_NX*CHUNK_NY*sizeof(int);
int aggression = 9; /* Compression aggression setting */
unsigned read_filter_mask = 0; /* filter mask after direct read */
H5F_libver_t low, high; /* File format bounds */
hsize_t offset[2];
hsize_t out_offset[2] = {0, 0};
hsize_t size = 0;
hsize_t nchunks = 0;
haddr_t addr = 0;
hsize_t index = 0;
hsize_t i, j;
int n; /* for use on buffer, to avoid conversion warning */
TESTING("getting chunk information");
/* Create a file */
h5_fixname(FILENAME, H5P_DEFAULT, filename, sizeof filename);
if((chunkfile = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
TEST_ERROR
/* Create the data space */
if((fspace = H5Screate_simple(RANK, dims, maxdims)) < 0)
TEST_ERROR
if((mspace = H5Screate_simple(RANK, chunk_dims, NULL)) < 0)
TEST_ERROR
/* Modify dataset creation properties, i.e. enable chunking and compression */
if((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0)
TEST_ERROR
if(H5Pset_chunk(cparms, RANK, chunk_dims) < 0)
TEST_ERROR
if(H5Pset_deflate(cparms, (unsigned ) aggression) < 0)
TEST_ERROR
if (H5Pset_fill_value(cparms, H5T_NATIVE_INT, &fillvalue) < 0)
TEST_ERROR;
/* Create a new dataset using cparms creation properties */
if((dset = H5Dcreate2(chunkfile, DSET_SIMPLE_CHUNKED, H5T_NATIVE_INT, fspace,
H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0) TEST_ERROR
if((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0)
TEST_ERROR
/* Indicate skipping the compression filter. */
filter_mask = 0x00000001;
/* Initialize the array of chunk data, that is for all 16 chunks */
for(n = 0; n < 16; n++)
for(i = 0; i < CHUNK_NX; i++)
for(j = 0; j < CHUNK_NY; j++)
direct_buf[n][i][j] = n + 1;
/* Write NUM_CHUNKS_WRITTEN chunks: (0,2) (0,3) (1,2) (1,3) */
n = 0;
for (i = 0; i < 2; i++)
for (j = 2; j < 4; j++, n++)
{
offset[0] = i * CHUNK_NX;
offset[1] = j * CHUNK_NY;
if (H5Dwrite_chunk(dset, dxpl, filter_mask, offset, buf_size, (void*)direct_buf[n]) < 0)
TEST_ERROR
}
/* Close the dataset then... */
if(H5Dclose(dset) < 0) TEST_ERROR
/* ...open it again to test the chunk query functions */
if((dset = H5Dopen2(chunkfile, DSET_SIMPLE_CHUNKED, H5P_DEFAULT)) < 0) TEST_ERROR
/* Get and verify the number of chunks written */
if (H5Dget_num_chunks(dset, mspace, &nchunks) < 0) TEST_ERROR;
if (nchunks != NUM_CHUNKS_WRITTEN) TEST_ERROR;
/* Read the entire dataset back */
if(H5Dread(dset, H5T_NATIVE_INT, fspace, fspace, H5P_DEFAULT, out_buf) < 0)
TEST_ERROR
/* Get and verify info of the first chunk */
index = 0;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
if (out_offset[0] != 0 || out_offset[1] != 8) TEST_ERROR;
/* Get and verify info of the second chunk */
index = 1;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
if (out_offset[0] != 0 || out_offset[1] != 12) TEST_ERROR;
/* Get and verify info of the third chunk */
index = 2;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
if (out_offset[0] != 4 || out_offset[1] != 8) TEST_ERROR;
/* Get and verify info of the last chunk */
index = 3;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
if (out_offset[0] != 4 || out_offset[1] != 12) TEST_ERROR;
/* Attempt to get info of empty chunk and verify the returned address and size */
index = 5;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (addr != HADDR_UNDEF) TEST_ERROR;
if (size != 0) TEST_ERROR;
/* Get info of the chunk at logical coordinates (0,2) */
offset[0] = 0;
offset[1] = 2 * CHUNK_NY;
if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR;
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
/* Get info of the chunk at logical coordinates (1,3) */
offset[0] = 1 * CHUNK_NX;
offset[1] = 3 * CHUNK_NY;
if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR;
if (read_filter_mask != filter_mask) TEST_ERROR;
if (size != CHUNK_SIZE) TEST_ERROR;
/* Attempt to get info of empty chunks, verify the returned address and size */
offset[0] = 0;
offset[1] = 0;
if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR;
if (addr != HADDR_UNDEF) TEST_ERROR;
if (size != 0) TEST_ERROR;
offset[0] = 3 * CHUNK_NX;
offset[1] = 3 * CHUNK_NY;
if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR;
if (addr != HADDR_UNDEF) TEST_ERROR;
if (size != 0) TEST_ERROR;
/* Read each chunk and verify the values */
n = 0;
for (i = 0; i < 2; i++)
for (j = 2; j < 4; j++, n++)
if (read_each_chunk(dset, i*CHUNK_NX, j*CHUNK_NY, (void*)direct_buf[n]) < 0)
TEST_ERROR
/* Close the first dataset */
if (H5Dclose(dset) < 0) TEST_ERROR
/* Create an empty dataset */
if((dset = H5Dcreate2(chunkfile, DSET_EMPTY, H5T_NATIVE_INT, fspace,
H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0) TEST_ERROR
if (H5Dclose(dset) < 0) TEST_ERROR
/* Reopen the empty dataset to verify the chunk query functions on it */
if((dset = H5Dopen2(chunkfile, DSET_EMPTY, H5P_DEFAULT)) < 0) TEST_ERROR
/* Verify that the number of chunks is 0 */
if (H5Dget_num_chunks(dset, mspace, &nchunks) < 0) TEST_ERROR;
if (nchunks != 0) TEST_ERROR;
/* Attempt to get info of a chunk from an empty dataset, verify the
returned address and size */
index = 0;
reinit_vars(&read_filter_mask, &addr, &size);
if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0)
TEST_ERROR
if (addr != HADDR_UNDEF) TEST_ERROR;
if (size != 0) TEST_ERROR;
/* Attempt to get info of a chunk given its coords from an empty dataset,
verify the returned address and size */
offset[0] = 0;
offset[1] = 0;
if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR;
if (addr != HADDR_UNDEF) TEST_ERROR;
if (size != 0) TEST_ERROR;
/* Close/release resources. */
if (H5Sclose(mspace) < 0) TEST_ERROR
if (H5Sclose(fspace) < 0) TEST_ERROR
if (H5Pclose(cparms) < 0) TEST_ERROR
if (H5Pclose(dxpl) < 0) TEST_ERROR
if (H5Fclose(chunkfile) < 0) TEST_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Sclose(mspace);
H5Sclose(fspace);
H5Pclose(cparms);
H5Pclose(dxpl);
H5Fclose(chunkfile);
} H5E_END_TRY;
H5_FAILED();
return FAIL;
} /* test_get_chunk_info() */
/*-------------------------------------------------------------------------
* Function: create_4x4_dset
*
* Purpose: Tests functions related to chunk information
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Description:
* The code in this create_4x4_dset function was originally written by
* Pedro in main() that writes a 4x4 dataset by iterating on
* 2x2 chunks at a time, with the intention of making a frame
* work to test H5Dget_chunk_info, which was not in the library,
* until now. For the work in HDFFV-10615, the test function
* test_get_chunk_info was added to test the new query chunk
* API functions: H5Dget_num_chunk, H5Dget_chunk_info, and
* H5Dget_chunk_info_by_coord. This code can be used at a
* later time, so it is kept here.
* -BMR, November 5, 2018
*
* Programmer: Pedro Vicente <pvn@hdfgroup.edu>
* April 7, 2008
*
*-------------------------------------------------------------------------
*/
int
create_4x4_dset(void)
{
hid_t fid; /* file ID */
hid_t did; /* dataset ID */
hid_t f_sid; /* file space ID */
hid_t m_sid; /* memory space ID */
hid_t pid; /* property list ID */
hsize_t start[2]; /* chunk location to start writing */
hsize_t dims[2] = { 4, 4};
hsize_t chunk_dims[2] = { 2, 2 };
int chunk_data[2][2] = { {1, 1}, {1, 1} };
int buf[4][4];
int fillvalue = 0;
hsize_t i, j;
/* create a new file using default properties. */
if ((fid = H5Fcreate(H5FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) TEST_ERROR;
/* create the file space */
if ((f_sid = H5Screate_simple(RANK, dims, dims)) < 0) TEST_ERROR;
/* create the memory space with chunk dimensions */
if ((m_sid = H5Screate_simple(RANK, chunk_dims, chunk_dims)) < 0) TEST_ERROR;
start[0] = 0;
start[1] = 0;
if (H5Sselect_hyperslab(m_sid, H5S_SELECT_SET, start, NULL, chunk_dims, NULL) < 0) TEST_ERROR;
/*-------------------------------------------------------------------------
* create a dataset
*-------------------------------------------------------------------------
*/
/* modify dataset creation properties, i.e. enable chunking. */
if ((pid = H5Pcreate (H5P_DATASET_CREATE)) < 0) TEST_ERROR;
if (H5Pset_chunk(pid, RANK, chunk_dims) < 0) TEST_ERROR;
if (H5Pset_fill_value(pid, H5T_NATIVE_INT, &fillvalue) < 0) TEST_ERROR;
/* create a new dataset */
if((did = H5Dcreate2(fid , DATASETNAME, H5T_NATIVE_INT, f_sid, H5P_DEFAULT, pid, H5P_DEFAULT)) < 0) TEST_ERROR;
/*-------------------------------------------------------------------------
* write the dataset in 2x2 chunks
*-------------------------------------------------------------------------
*/
/* iterate in dim 0 */
for (j = 0; j < chunk_dims[0]; j++) {
/* reset start in dim 1 */
start[1] = 0;
/* iterate in dim 1 */
for (i = 0; i < chunk_dims[1]; i++) {
/* select file hyperslab to save a 2x2 chunk */
if (H5Sselect_hyperslab(f_sid, H5S_SELECT_SET, start, NULL, chunk_dims, NULL) < 0) TEST_ERROR;
/* write the data to the hyperslab. */
if (H5Dwrite(did, H5T_NATIVE_INT, m_sid, f_sid, H5P_DEFAULT, chunk_data) < 0) TEST_ERROR;
/* read back and display complete dataset 4x4 */
if (H5Dread(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) TEST_ERROR;
#if defined (PRINT_DATA)
printf("\n");
printf("dataset: \n");
for (jj = 0; jj < dims[0]; jj++) {
for (ii = 0; ii < dims[1]; ii++) printf("%d ", buf[jj][ii]);
printf("\n");
}
#endif
/* increment start in dim 1 */
start[1] += 2;
}
/* increment start in dim 0 */
start[0] += 2;
}
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if (H5Dclose(did) < 0) TEST_ERROR
if (H5Sclose(f_sid) < 0) TEST_ERROR
if (H5Sclose(m_sid) < 0) TEST_ERROR
if (H5Pclose(pid) < 0) TEST_ERROR
if (H5Fclose(fid) < 0) TEST_ERROR
return SUCCEED;
error:
H5Dclose(did);
H5Sclose(f_sid);
H5Sclose(m_sid);
H5Pclose(pid);
H5Fclose(fid);
return FAIL;
} /* end create_4x4_dset */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Tests functions related to chunk information
*
* Return: Success: SUCCEED
* Failure: FAIL
*
* Programmer: Binh-Minh Ribler
* November 5, 2018
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
int nerrors = 0;
/* Tests getting chunk information */
nerrors += (test_get_chunk_info() < 0 ? 1 : 0);
/* Create a 4x4 dataset (using the existing code to avoid compilation
warnings for now) */
nerrors += (create_4x4_dset() < 0 ? 1 : 0);
if(nerrors) {
goto error;
} /* end if */
HDprintf("All chunk query tests passed.\n");
return SUCCEED;
error:
nerrors = MAX(1, nerrors);
HDprintf("***** %d QUERY CHUNK INFO TEST%s FAILED! *****\n",
nerrors, 1 == nerrors ? "" : "S");
return FAIL;
}
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