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direct_chunk.c
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 LICENSE file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* [email protected]. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "h5test.h"
#ifdef H5_HAVE_FILTER_DEFLATE
#if defined(H5_HAVE_ZLIB_H) && !defined(H5_ZLIB_HEADER)
#define H5_ZLIB_HEADER "zlib.h"
#endif
#if defined(H5_ZLIB_HEADER)
#include H5_ZLIB_HEADER /* "zlib.h" */
#endif
#endif
#define FILE_NAME "direct_chunk.h5"
/* Datasets for Direct Write tests */
#ifdef H5_HAVE_FILTER_DEFLATE
#define DATASETNAME1 "direct_write"
#endif
#define DATASETNAME2 "skip_one_filter"
#define DATASETNAME3 "skip_two_filters"
#define DATASETNAME4 "data_conv"
#define DATASETNAME5 "contiguous_dset"
#define DATASETNAME6 "invalid_argue"
#define DATASETNAME7 "overwrite_chunk"
/* Datasets for Direct Read tests */
#ifdef H5_HAVE_FILTER_DEFLATE
#define DATASETNAME8 "disabled_chunk_cache"
#define DATASETNAME9 "flush_chunk_cache"
#define DATASETNAME10 "read_w_valid_cache"
#endif
#define DATASETNAME11 "unallocated_chunk"
#define DATASETNAME12 "unfiltered_data"
#define RANK 2
#define NX 16
#define NY 16
#define CHUNK_NX 4
#define CHUNK_NY 4
#ifdef H5_HAVE_FILTER_DEFLATE
#define DEFLATE_SIZE_ADJUST(s) (ceil(((double)(s)) * 1.001) + 12.0)
#endif
/* Temporary filter IDs used for testing */
#define H5Z_FILTER_BOGUS1 305
#define H5Z_FILTER_BOGUS2 306
#define ADD_ON 7
#define FACTOR 3
/* Constants for the overwrite test */
#define OVERWRITE_NDIMS 3
#define OVERWRITE_CHUNK_NX 3
#define OVERWRITE_CHUNK_2NX 6
#define OVERWRITE_CHUNK_NY 2
#define OVERWRITE_VALUE 42
/* Test configurations */
#define CONFIG_LATEST 0x01
#define CONFIG_REOPEN_FILE 0x02
#define CONFIG_REOPEN_DSET 0x04
#define CONFIG_DIRECT_WRITE 0x08
#define CONFIG_DIRECT_READ 0x10
#define CONFIG_END 0x20
/* Defines used in test_single_chunk_latest() */
#define FILE "single_latest.h5"
#define DATASET "dataset"
#define DIM0 4
#define DIM1 32
#define CHUNK0 DIM0
#define CHUNK1 DIM1
/* Local prototypes for filter functions */
static size_t filter_bogus1(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values,
size_t nbytes, size_t *buf_size, void **buf);
static size_t filter_bogus2(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values,
size_t nbytes, size_t *buf_size, void **buf);
/* This message derives from H5Z */
static const H5Z_class2_t H5Z_BOGUS1[1] = {{
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
H5Z_FILTER_BOGUS1, /* Filter id number */
1, 1, /* Encoding and decoding enabled */
"bogus1", /* Filter name for debugging */
NULL, /* The "can apply" callback */
NULL, /* The "set local" callback */
filter_bogus1, /* The actual filter function */
}};
static const H5Z_class2_t H5Z_BOGUS2[1] = {{
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
H5Z_FILTER_BOGUS2, /* Filter id number */
1, 1, /* Encoding and decoding enabled */
"bogus2", /* Filter name for debugging */
NULL, /* The "can apply" callback */
NULL, /* The "set local" callback */
filter_bogus2, /* The actual filter function */
}};
/*-------------------------------------------------------------------------
* Function: test_direct_chunk_write
*
* Purpose: Test the basic functionality of H5Dwrite_chunk
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
#ifdef H5_HAVE_FILTER_DEFLATE
static int
test_direct_chunk_write(hid_t file)
{
hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
hid_t mem_space = H5I_INVALID_HID;
hid_t cparms = H5I_INVALID_HID, dxpl = H5I_INVALID_HID;
hsize_t dims[2] = {NX, NY};
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] = {CHUNK_NX, CHUNK_NY};
herr_t status;
int ret;
int data[NX][NY];
int i, j, n;
uint32_t filter_mask = 0;
int direct_buf[CHUNK_NX][CHUNK_NY];
int check_chunk[CHUNK_NX][CHUNK_NY];
hsize_t offset[2] = {0, 0};
size_t buf_size = CHUNK_NX * CHUNK_NY * sizeof(int);
const Bytef *z_src = (const Bytef *)(direct_buf);
Bytef *z_dst = NULL; /*destination buffer */
uLongf z_dst_nbytes = (uLongf)DEFLATE_SIZE_ADJUST(buf_size);
uLong z_src_nbytes = (uLong)buf_size;
int aggression = 9; /* Compression aggression setting */
void *outbuf = NULL; /* Pointer to new buffer */
hsize_t start[2]; /* Start of hyperslab */
hsize_t stride[2]; /* Stride of hyperslab */
hsize_t count[2]; /* Block count */
hsize_t block[2]; /* Block sizes */
TESTING("basic functionality of H5Dwrite_chunk");
/*
* Create the data space with unlimited dimensions.
*/
if ((dataspace = H5Screate_simple(RANK, dims, maxdims)) < 0)
goto error;
if ((mem_space = H5Screate_simple(RANK, chunk_dims, NULL)) < 0)
goto error;
/*
* Modify dataset creation properties, i.e. enable chunking and compression
*/
if ((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if ((status = H5Pset_chunk(cparms, RANK, chunk_dims)) < 0)
goto error;
if ((status = H5Pset_deflate(cparms, (unsigned)aggression)) < 0)
goto error;
/*
* Create a new dataset within the file using cparms
* creation properties.
*/
if ((dataset =
H5Dcreate2(file, DATASETNAME1, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0)
goto error;
/* Initialize the dataset */
for (i = n = 0; i < NX; i++)
for (j = 0; j < NY; j++)
data[i][j] = n++;
if ((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0)
goto error;
/*
* Write the data for the dataset. It should stay in the chunk cache.
* It will be evicted from the cache by the H5Dwrite_chunk calls.
*/
if ((status = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, data)) < 0)
goto error;
/* Initialize data for one chunk */
for (i = n = 0; i < CHUNK_NX; i++)
for (j = 0; j < CHUNK_NY; j++)
direct_buf[i][j] = n++;
/* Allocate output (compressed) buffer */
outbuf = malloc(z_dst_nbytes);
z_dst = (Bytef *)outbuf;
/* Perform compression from the source to the destination buffer */
#if defined(H5_HAVE_ZLIBNG_H)
ret = zng_compress2(z_dst, &z_dst_nbytes, z_src, z_src_nbytes, aggression);
#else
ret = compress2(z_dst, &z_dst_nbytes, z_src, z_src_nbytes, aggression);
#endif
/* Check for various zlib errors */
if (Z_BUF_ERROR == ret) {
fprintf(stderr, "overflow");
goto error;
}
else if (Z_MEM_ERROR == ret) {
fprintf(stderr, "deflate memory error");
goto error;
}
else if (Z_OK != ret) {
fprintf(stderr, "other deflate error");
goto error;
}
/* Write the compressed chunk data repeatedly to cover all the chunks in the
* dataset, using the direct writing function. */
for (i = 0; i < NX / CHUNK_NX; i++) {
for (j = 0; j < NY / CHUNK_NY; j++) {
status = H5Dwrite_chunk(dataset, dxpl, filter_mask, offset, z_dst_nbytes, outbuf);
offset[1] += CHUNK_NY;
}
offset[0] += CHUNK_NX;
offset[1] = 0;
}
if (outbuf)
free(outbuf);
if (H5Fflush(dataset, H5F_SCOPE_LOCAL) < 0)
goto error;
if (H5Dclose(dataset) < 0)
goto error;
if ((dataset = H5Dopen2(file, DATASETNAME1, H5P_DEFAULT)) < 0)
goto error;
/*
* Select hyperslab for one chunk in the file
*/
start[0] = CHUNK_NX;
start[1] = CHUNK_NY;
stride[0] = 1;
stride[1] = 1;
count[0] = 1;
count[1] = 1;
block[0] = CHUNK_NX;
block[1] = CHUNK_NY;
if ((status = H5Sselect_hyperslab(dataspace, H5S_SELECT_SET, start, stride, count, block)) < 0)
goto error;
/* Read the chunk back */
if ((status = H5Dread(dataset, H5T_NATIVE_INT, mem_space, dataspace, H5P_DEFAULT, check_chunk)) < 0)
goto error;
/* Check that the values read are the same as the values written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (direct_buf[i][j] != check_chunk[i][j]) {
printf(" 1. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" direct_buf=%d, check_chunk=%d\n", direct_buf[i][j], check_chunk[i][j]);
goto error;
}
}
}
/* Reinitialize different data for one chunk */
for (i = 0; i < CHUNK_NX; i++)
for (j = 0; j < CHUNK_NY; j++)
direct_buf[i][j] = i + j;
/* Allocate output (compressed) buffer */
outbuf = malloc(z_dst_nbytes);
z_dst = (Bytef *)outbuf;
/* Perform compression from the source to the destination buffer */
#if defined(H5_HAVE_ZLIBNG_H)
ret = zng_compress2(z_dst, &z_dst_nbytes, z_src, z_src_nbytes, aggression);
#else
ret = compress2(z_dst, &z_dst_nbytes, z_src, z_src_nbytes, aggression);
#endif
/* Check for various zlib errors */
if (Z_BUF_ERROR == ret) {
fprintf(stderr, "overflow");
goto error;
}
else if (Z_MEM_ERROR == ret) {
fprintf(stderr, "deflate memory error");
goto error;
}
else if (Z_OK != ret) {
fprintf(stderr, "other deflate error");
goto error;
}
/* Rewrite the compressed chunk data repeatedly to cover all the chunks in the
* dataset, using the direct writing function. */
offset[0] = offset[1] = 0;
for (i = 0; i < NX / CHUNK_NX; i++) {
for (j = 0; j < NY / CHUNK_NY; j++) {
status = H5Dwrite_chunk(dataset, dxpl, filter_mask, offset, z_dst_nbytes, outbuf);
offset[1] += CHUNK_NY;
}
offset[0] += CHUNK_NX;
offset[1] = 0;
}
if (outbuf)
free(outbuf);
if (H5Fflush(dataset, H5F_SCOPE_LOCAL) < 0)
goto error;
if (H5Dclose(dataset) < 0)
goto error;
if ((dataset = H5Dopen2(file, DATASETNAME1, H5P_DEFAULT)) < 0)
goto error;
/* Read the chunk back */
if ((status = H5Dread(dataset, H5T_NATIVE_INT, mem_space, dataspace, H5P_DEFAULT, check_chunk)) < 0)
goto error;
/* Check that the values read are the same as the values written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (direct_buf[i][j] != check_chunk[i][j]) {
printf(" 2. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" direct_buf=%d, check_chunk=%d\n", direct_buf[i][j], check_chunk[i][j]);
goto error;
}
}
}
/*
* Close/release resources.
*/
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
}
H5E_END_TRY
if (outbuf)
free(outbuf);
H5_FAILED();
return 1;
} /* test_direct_chunk_write() */
#endif /* H5_HAVE_FILTER_DEFLATE */
/*-------------------------------------------------------------------------
* Function: test_direct_chunk_overwrite_data
*
* Purpose: Test overwriting a chunk with new data.
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
static int
test_direct_chunk_overwrite_data(hid_t fid)
{
size_t buf_size = OVERWRITE_CHUNK_NX * OVERWRITE_CHUNK_NY * sizeof(int16_t);
int16_t data_buf[OVERWRITE_CHUNK_NY][OVERWRITE_CHUNK_NX];
int16_t overwrite_buf[OVERWRITE_CHUNK_NY][OVERWRITE_CHUNK_NX];
uint32_t filter_mask = 0;
hid_t tid = H5T_NATIVE_UINT16;
hid_t dcpl_id = H5I_INVALID_HID;
hid_t sid = H5I_INVALID_HID;
hid_t did = H5I_INVALID_HID;
uint16_t fill_value = 0;
hsize_t dset_dims[] = {1, OVERWRITE_CHUNK_NY, OVERWRITE_CHUNK_2NX};
hsize_t dset_max_dims[] = {H5S_UNLIMITED, OVERWRITE_CHUNK_NY, OVERWRITE_CHUNK_2NX};
hsize_t chunk_dims[] = {1, OVERWRITE_CHUNK_NY, OVERWRITE_CHUNK_NX};
hsize_t offset[] = {0, 0, 0};
hsize_t i, j;
int16_t n;
int16_t read_buf[OVERWRITE_CHUNK_NY][OVERWRITE_CHUNK_2NX];
TESTING("overwriting existing data with H5Dwrite_chunk");
/* Create the dataset's data space */
if ((sid = H5Screate_simple(OVERWRITE_NDIMS, dset_dims, dset_max_dims)) < 0)
FAIL_STACK_ERROR;
/* Set chunk size and fill value */
if ((dcpl_id = H5Pcreate(H5P_DATASET_CREATE)) < 0)
FAIL_STACK_ERROR;
if (H5Pset_fill_value(dcpl_id, tid, &fill_value) < 0)
FAIL_STACK_ERROR;
if (H5Pset_chunk(dcpl_id, OVERWRITE_NDIMS, chunk_dims) < 0)
FAIL_STACK_ERROR;
/* Create dataset */
if ((did = H5Dcreate2(fid, DATASETNAME7, tid, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR;
/* Initialize data buffers */
n = 0;
for (i = 0; i < OVERWRITE_CHUNK_NY; i++) {
for (j = 0; j < OVERWRITE_CHUNK_NX; j++) {
data_buf[i][j] = n++;
overwrite_buf[i][j] = OVERWRITE_VALUE;
}
}
/* Write chunk data using the direct write function. */
if (H5Dwrite_chunk(did, H5P_DEFAULT, filter_mask, offset, buf_size, data_buf) < 0)
FAIL_STACK_ERROR;
/* Write second chunk. */
offset[2] = OVERWRITE_CHUNK_NX;
if (H5Dwrite_chunk(did, H5P_DEFAULT, filter_mask, offset, buf_size, data_buf) < 0)
FAIL_STACK_ERROR;
/* Overwrite first chunk. */
offset[2] = 0;
if (H5Dwrite_chunk(did, H5P_DEFAULT, filter_mask, offset, buf_size, overwrite_buf) < 0)
FAIL_STACK_ERROR;
/* Read the data back out */
if (H5Dread(did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, read_buf) < 0)
FAIL_STACK_ERROR;
/* Ensure that the data are correct in chunk 1 */
for (i = 0; i < OVERWRITE_CHUNK_NY; i++)
for (j = 0; j < OVERWRITE_CHUNK_NX; j++) {
if (read_buf[i][j] != OVERWRITE_VALUE)
TEST_ERROR;
}
if (H5Pclose(dcpl_id) < 0)
FAIL_STACK_ERROR;
if (H5Sclose(sid) < 0)
FAIL_STACK_ERROR;
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR;
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Pclose(dcpl_id);
H5Sclose(sid);
H5Dclose(did);
}
H5E_END_TRY
H5_FAILED();
return 1;
} /* end test_direct_chunk_overwrite_data() */
/*-------------------------------------------------------------------------
* Function: test_skip_compress_write1
*
* Purpose: Test skipping compression filter when it is the only filter
* for the dataset
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
static int
test_skip_compress_write1(hid_t file)
{
hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
hid_t mem_space = H5I_INVALID_HID;
hid_t cparms = H5I_INVALID_HID, dxpl = H5I_INVALID_HID;
hsize_t dims[2] = {NX, NY};
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] = {CHUNK_NX, CHUNK_NY};
herr_t status;
int i, j, n;
uint32_t filter_mask = 0;
int direct_buf[CHUNK_NX][CHUNK_NY];
int check_chunk[CHUNK_NX][CHUNK_NY];
hsize_t offset[2] = {0, 0};
size_t buf_size = CHUNK_NX * CHUNK_NY * sizeof(int);
int aggression = 9; /* Compression aggression setting */
uint32_t read_filter_mask = 0; /* filter mask after direct read */
int read_direct_buf[CHUNK_NX][CHUNK_NY];
hsize_t read_buf_size = 0; /* buf size */
hsize_t start[2]; /* Start of hyperslab */
hsize_t stride[2]; /* Stride of hyperslab */
hsize_t count[2]; /* Block count */
hsize_t block[2]; /* Block sizes */
TESTING("skipping compression filter for H5Dwrite_chunk/H5Dread_chunk");
/*
* Create the data space with unlimited dimensions.
*/
if ((dataspace = H5Screate_simple(RANK, dims, maxdims)) < 0)
goto error;
if ((mem_space = H5Screate_simple(RANK, chunk_dims, NULL)) < 0)
goto error;
/*
* Modify dataset creation properties, i.e. enable chunking and compression
*/
if ((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if ((status = H5Pset_chunk(cparms, RANK, chunk_dims)) < 0)
goto error;
if ((status = H5Pset_deflate(cparms, (unsigned)aggression)) < 0)
goto error;
/*
* Create a new dataset within the file using cparms
* creation properties.
*/
if ((dataset =
H5Dcreate2(file, DATASETNAME2, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0)
goto error;
if ((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0)
goto error;
/* Initialize data for one chunk */
for (i = n = 0; i < CHUNK_NX; i++)
for (j = 0; j < CHUNK_NY; j++) {
direct_buf[i][j] = n++;
}
/* write the uncompressed chunk data repeatedly to dataset, using the direct writing function.
* Indicate skipping the compression filter. */
offset[0] = CHUNK_NX;
offset[1] = CHUNK_NY;
filter_mask = 0x00000001;
if ((status = H5Dwrite_chunk(dataset, dxpl, filter_mask, offset, buf_size, direct_buf)) < 0)
goto error;
if (H5Fflush(dataset, H5F_SCOPE_LOCAL) < 0)
goto error;
if (H5Dclose(dataset) < 0)
goto error;
if ((dataset = H5Dopen2(file, DATASETNAME2, H5P_DEFAULT)) < 0)
goto error;
/*
* Select hyperslab for the chunk just written in the file
*/
start[0] = CHUNK_NX;
start[1] = CHUNK_NY;
stride[0] = 1;
stride[1] = 1;
count[0] = 1;
count[1] = 1;
block[0] = CHUNK_NX;
block[1] = CHUNK_NY;
if ((status = H5Sselect_hyperslab(dataspace, H5S_SELECT_SET, start, stride, count, block)) < 0)
goto error;
/* Read the chunk back */
if ((status = H5Dread(dataset, H5T_NATIVE_INT, mem_space, dataspace, H5P_DEFAULT, check_chunk)) < 0)
goto error;
/* Check that the values read are the same as the values written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (direct_buf[i][j] != check_chunk[i][j]) {
printf(" 1. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" direct_buf=%d, check_chunk=%d\n", direct_buf[i][j], check_chunk[i][j]);
goto error;
}
}
}
/* Query chunk storage size */
if ((status = H5Dget_chunk_storage_size(dataset, offset, &read_buf_size)) < 0)
goto error;
if (read_buf_size != buf_size)
goto error;
/* Read the raw chunk back */
memset(&read_direct_buf, 0, sizeof(read_direct_buf));
if ((status = H5Dread_chunk(dataset, H5P_DEFAULT, offset, &read_filter_mask, read_direct_buf)) < 0)
goto error;
if (read_filter_mask != filter_mask)
goto error;
/* Check that the direct chunk read is the same as the chunk written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (direct_buf[i][j] != read_direct_buf[i][j]) {
printf(" 1. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" direct_buf=%d, read_direct_buf=%d\n", direct_buf[i][j], read_direct_buf[i][j]);
goto error;
}
}
}
/*
* Close/release resources.
*/
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
}
H5E_END_TRY
H5_FAILED();
return 1;
} /* test_skip_compress_write1() */
/*-------------------------------------------------------------------------
* Function: filter_bogus1
*
* Purpose: A bogus filter that adds ADD_ON to the original value
*
* Return: Success: Data chunk size
*
*-------------------------------------------------------------------------
*/
static size_t
filter_bogus1(unsigned int flags, size_t H5_ATTR_UNUSED cd_nelmts,
const unsigned int H5_ATTR_UNUSED *cd_values, size_t nbytes, size_t *buf_size, void **buf)
{
int *int_ptr = (int *)*buf; /* Pointer to the data values */
size_t buf_left = *buf_size; /* Amount of data buffer left to process */
if (flags & H5Z_FLAG_REVERSE) { /* read */
/* Subtract the "add on" value to all the data values */
while (buf_left > 0) {
*int_ptr++ -= (int)ADD_ON;
buf_left -= sizeof(int);
} /* end while */
} /* end if */
else { /* write */
/* Add the "add on" value to all the data values */
while (buf_left > 0) {
*int_ptr++ += (int)ADD_ON;
buf_left -= sizeof(int);
} /* end while */
} /* end else */
return nbytes;
} /* filter_bogus1() */
/*-------------------------------------------------------------------------
* Function: filter_bogus2
*
* Purpose: A bogus filter that multiplies the original value by FACTOR.
*
* Return: Success: Data chunk size
*
*-------------------------------------------------------------------------
*/
static size_t
filter_bogus2(unsigned int flags, size_t H5_ATTR_UNUSED cd_nelmts,
const unsigned int H5_ATTR_UNUSED *cd_values, size_t nbytes, size_t *buf_size, void **buf)
{
int *int_ptr = (int *)*buf; /* Pointer to the data values */
size_t buf_left = *buf_size; /* Amount of data buffer left to process */
if (flags & H5Z_FLAG_REVERSE) { /* read */
/* Subtract the "add on" value to all the data values */
while (buf_left > 0) {
*int_ptr++ /= (int)FACTOR;
buf_left -= sizeof(int);
} /* end while */
} /* end if */
else { /* write */
/* Add the "add on" value to all the data values */
while (buf_left > 0) {
*int_ptr++ *= (int)FACTOR;
buf_left -= sizeof(int);
} /* end while */
} /* end else */
return nbytes;
} /* filter_bogus2() */
/*-------------------------------------------------------------------------
* Function: test_skip_compress_write2
*
* Purpose: Test skipping compression filter when there are three filters
* for the dataset
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
static int
test_skip_compress_write2(hid_t file)
{
hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
hid_t mem_space = H5I_INVALID_HID;
hid_t cparms = H5I_INVALID_HID, dxpl = H5I_INVALID_HID;
hsize_t dims[2] = {NX, NY};
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] = {CHUNK_NX, CHUNK_NY};
herr_t status;
int i, j, n;
uint32_t filter_mask = 0; /* orig filter mask */
int origin_direct_buf[CHUNK_NX][CHUNK_NY];
int direct_buf[CHUNK_NX][CHUNK_NY];
int check_chunk[CHUNK_NX][CHUNK_NY];
hsize_t offset[2] = {0, 0};
size_t buf_size = CHUNK_NX * CHUNK_NY * sizeof(int);
int aggression = 9; /* Compression aggression setting */
uint32_t read_filter_mask = 0; /* filter mask after direct read */
int read_direct_buf[CHUNK_NX][CHUNK_NY];
hsize_t read_buf_size = 0; /* buf size */
hsize_t start[2]; /* Start of hyperslab */
hsize_t stride[2]; /* Stride of hyperslab */
hsize_t count[2]; /* Block count */
hsize_t block[2]; /* Block sizes */
TESTING("skipping compression filters but keep two other filters");
/*
* Create the data space with unlimited dimensions.
*/
if ((dataspace = H5Screate_simple(RANK, dims, maxdims)) < 0)
goto error;
if ((mem_space = H5Screate_simple(RANK, chunk_dims, NULL)) < 0)
goto error;
/*
* Modify dataset creation properties, i.e. enable chunking and compression.
* The order of filters is bogus 1 + deflate + bogus 2.
*/
if ((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if ((status = H5Pset_chunk(cparms, RANK, chunk_dims)) < 0)
goto error;
/* Register and enable first bogus filter */
if (H5Zregister(H5Z_BOGUS1) < 0)
goto error;
if (H5Pset_filter(cparms, H5Z_FILTER_BOGUS1, 0, (size_t)0, NULL) < 0)
goto error;
/* Enable compression filter */
if ((status = H5Pset_deflate(cparms, (unsigned)aggression)) < 0)
goto error;
/* Register and enable second bogus filter */
if (H5Zregister(H5Z_BOGUS2) < 0)
goto error;
if (H5Pset_filter(cparms, H5Z_FILTER_BOGUS2, 0, (size_t)0, NULL) < 0)
goto error;
/*
* Create a new dataset within the file using cparms
* creation properties.
*/
if ((dataset =
H5Dcreate2(file, DATASETNAME3, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0)
goto error;
if ((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0)
goto error;
/* Initialize data for one chunk. Apply operations of two bogus filters to the chunk */
for (i = n = 0; i < CHUNK_NX; i++)
for (j = 0; j < CHUNK_NY; j++) {
origin_direct_buf[i][j] = n++;
direct_buf[i][j] = (origin_direct_buf[i][j] + ADD_ON) * FACTOR;
}
/* write the uncompressed chunk data repeatedly to dataset, using the direct writing function.
* Indicate skipping the compression filter but keep the other two bogus filters */
offset[0] = CHUNK_NX;
offset[1] = CHUNK_NY;
/* compression filter is the middle one to be skipped */
filter_mask = 0x00000002;
if ((status = H5Dwrite_chunk(dataset, dxpl, filter_mask, offset, buf_size, direct_buf)) < 0)
goto error;
if (H5Fflush(dataset, H5F_SCOPE_LOCAL) < 0)
goto error;
if (H5Dclose(dataset) < 0)
goto error;
if ((dataset = H5Dopen2(file, DATASETNAME3, H5P_DEFAULT)) < 0)
goto error;
/*
* Select hyperslab for one chunk in the file
*/
start[0] = CHUNK_NX;
start[1] = CHUNK_NY;
stride[0] = 1;
stride[1] = 1;
count[0] = 1;
count[1] = 1;
block[0] = CHUNK_NX;
block[1] = CHUNK_NY;
if ((status = H5Sselect_hyperslab(dataspace, H5S_SELECT_SET, start, stride, count, block)) < 0)
goto error;
/* Read the chunk back */
if ((status = H5Dread(dataset, H5T_NATIVE_INT, mem_space, dataspace, H5P_DEFAULT, check_chunk)) < 0)
goto error;
/* Check that the values read are the same as the values written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (origin_direct_buf[i][j] != check_chunk[i][j]) {
printf(" 1. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" origin_direct_buf=%d, check_chunk=%d\n", origin_direct_buf[i][j],
check_chunk[i][j]);
goto error;
}
}
}
/* Query chunk storage size */
if ((status = H5Dget_chunk_storage_size(dataset, offset, &read_buf_size)) < 0)
goto error;
if (read_buf_size != buf_size)
goto error;
/* Read the raw chunk back */
memset(&read_direct_buf, 0, sizeof(read_direct_buf));
if ((status = H5Dread_chunk(dataset, H5P_DEFAULT, offset, &read_filter_mask, read_direct_buf)) < 0)
goto error;
if (read_filter_mask != filter_mask)
goto error;
/* Check that the direct chunk read is the same as the chunk written */
for (i = 0; i < CHUNK_NX; i++) {
for (j = 0; j < CHUNK_NY; j++) {
if (direct_buf[i][j] != read_direct_buf[i][j]) {
printf(" 1. Read different values than written.");
printf(" At index %d,%d\n", i, j);
printf(" direct_buf=%d, read_direct_buf=%d\n", direct_buf[i][j], read_direct_buf[i][j]);
goto error;
}
}
}
/*
* Close/release resources.
*/
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Dclose(dataset);
H5Sclose(mem_space);
H5Sclose(dataspace);
H5Pclose(cparms);
H5Pclose(dxpl);
}
H5E_END_TRY
H5_FAILED();
return 1;
} /* test_skip_compress_write2() */
/*-------------------------------------------------------------------------
* Function: test_data_conv
*
* Purpose: Test data conversion
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
static int
test_data_conv(hid_t file)
{
typedef struct {
int a, b, c[4], d, e;
} src_type_t;
typedef struct {
int a, c[4], e;
} dst_type_t;
hid_t dataspace = H5I_INVALID_HID, dataset = H5I_INVALID_HID;
hid_t mem_space = H5I_INVALID_HID;
hid_t cparms = H5I_INVALID_HID, dxpl = H5I_INVALID_HID;
hsize_t dims[2] = {NX, NY};
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] = {CHUNK_NX, CHUNK_NY};
herr_t status;
int i, j, n;
const hsize_t four = 4;
hid_t st = H5I_INVALID_HID, dt = H5I_INVALID_HID;
hid_t array_dt;
uint32_t filter_mask = 0;
src_type_t direct_buf[CHUNK_NX][CHUNK_NY];
dst_type_t check_chunk[CHUNK_NX][CHUNK_NY];
src_type_t read_chunk[CHUNK_NX][CHUNK_NY]; /* For H5Dread_chunk */
hsize_t offset[2] = {0, 0};
size_t buf_size = CHUNK_NX * CHUNK_NY * sizeof(src_type_t);
hsize_t start[2]; /* Start of hyperslab */
hsize_t stride[2]; /* Stride of hyperslab */
hsize_t count[2]; /* Block count */
hsize_t block[2]; /* Block sizes */
TESTING("data conversion for H5Dwrite_chunk/H5Dread_chunk");
/*
* Create the data space with unlimited dimensions.
*/
if ((dataspace = H5Screate_simple(RANK, dims, maxdims)) < 0)
goto error;
if ((mem_space = H5Screate_simple(RANK, chunk_dims, NULL)) < 0)
goto error;
/*
* Modify dataset creation properties, i.e. enable chunking
*/
if ((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if ((status = H5Pset_chunk(cparms, RANK, chunk_dims)) < 0)
goto error;