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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 COPYING 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 *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Raymond Lu
* 7 September 2010
*
* Purpose: Make sure dataset, file, and library can close properly when a
* mandatory filter fails.
*/
#include "h5test.h"
#define DSET_NAME "dset_fail"
#define H5Z_FILTER_FAIL_TEST 312
#define DIM 10
#define FILTER_CHUNK_DIM 2
const char *FILENAME[] = {"filter_fail_with_cache", "filter_fail_without_cache", NULL};
static size_t filter_fail(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 */
const H5Z_class2_t H5Z_FAIL_TEST[1] = {{
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
H5Z_FILTER_FAIL_TEST, /* Filter id number */
1, 1, /* Encoding and decoding enabled */
"filter_fail_test", /* Filter name for debugging */
NULL, /* The "can apply" callback */
NULL, /* The "set local" callback */
filter_fail, /* The actual filter function */
}};
/*-------------------------------------------------------------------------
* Function: filter_fail
*
* Purpose: For testing library's behavior when a mandatory filter
* fails to write a chunk.
*
* Return: Success: Data chunk size
* Failure: 0
*
* Programmer: Raymond Lu
* 7 September 2010
*
*-------------------------------------------------------------------------
*/
static size_t
filter_fail(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 *dst = (int *)(*buf);
size_t ret_value = 0;
if (flags & H5Z_FLAG_REVERSE) { /* do nothing during read */
*buf_size = nbytes;
ret_value = nbytes;
} /* end if */
else { /* Write data */
/* If it's the last chunk, pretend to fail. Otherwise, do nothing. */
if (*dst == 8 || *dst == 9) {
ret_value = 0;
}
else {
*buf_size = nbytes;
ret_value = *buf_size;
}
} /* end else */
return ret_value;
} /* end filter_fail() */
/*-------------------------------------------------------------------------
* Function: test_filter_write_failure
*
* Purpose: Tests the library's behavior when a mandate filter returns
* failure. There're only 5 chunks with each of them having
* 2 integers. The filter will fail in the last chunk. The
* dataset should release all resources even though the last
* chunk can't be flushed to file. The file should close
* successfully.
*
* Return:
* Success: 0
* Failure: -1
*
* Programmer: Raymond Lu
* 25 August 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
test_filter_write(char *file_name, hid_t my_fapl, hbool_t cache_enabled)
{
hid_t file = -1;
hid_t dataset = -1; /* dataset ID */
hid_t sid = -1; /* dataspace ID */
hid_t dcpl = -1; /* dataset creation property list ID */
hsize_t dims[1] = {DIM}; /* dataspace dimension - 10*/
hsize_t chunk_dims[1] = {FILTER_CHUNK_DIM}; /* chunk dimension - 2*/
int points[DIM]; /* Data */
herr_t ret; /* generic return value */
int i;
if (cache_enabled) {
TESTING("data writing when a mandatory filter fails and chunk cache is enabled");
}
else {
TESTING("data writing when a mandatory filter fails and chunk cache is disabled");
}
/* Create file */
if ((file = H5Fcreate(file_name, H5F_ACC_TRUNC, H5P_DEFAULT, my_fapl)) < 0)
TEST_ERROR;
/* create the data space */
if ((sid = H5Screate_simple(1, dims, NULL)) < 0)
TEST_ERROR;
/* Create dcpl and register the filter */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
TEST_ERROR;
if (H5Pset_chunk(dcpl, 1, chunk_dims) < 0)
TEST_ERROR;
if (H5Zregister(H5Z_FAIL_TEST) < 0)
TEST_ERROR;
/* Check that the filter was registered */
if (TRUE != H5Zfilter_avail(H5Z_FILTER_FAIL_TEST))
FAIL_STACK_ERROR;
/* Enable the filter as mandatory */
if (H5Pset_filter(dcpl, H5Z_FILTER_FAIL_TEST, 0, (size_t)0, NULL) < 0)
TEST_ERROR;
/* create a dataset */
if ((dataset = H5Dcreate2(file, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
TEST_ERROR;
/* Initialize the write buffer */
for (i = 0; i < DIM; i++)
points[i] = i;
/* Write data. If the chunk cache is enabled, H5Dwrite should succeed. If it is
* disabled, H5Dwrite should fail. */
if (cache_enabled) {
if (H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, sid, H5P_DEFAULT, points) < 0)
TEST_ERROR;
}
else {
/* Data writing should fail */
H5E_BEGIN_TRY
{
ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, sid, H5P_DEFAULT, points);
}
H5E_END_TRY
if (ret >= 0) {
H5_FAILED();
HDputs(" Data writing is supposed to fail because the chunk can't be written to file.");
TEST_ERROR;
}
}
/* clean up objects used for this test */
if (H5Pclose(dcpl) < 0)
TEST_ERROR;
if (H5Sclose(sid) < 0)
TEST_ERROR;
/* Close dataset. If the chunk cache is enabled, the flushing of chunks should fail
* during H5Dclose. If it is disabled, H5Dwrite should fail but H5Dclose should succeed. */
if (cache_enabled) {
H5E_BEGIN_TRY
{
ret = H5Dclose(dataset);
}
H5E_END_TRY
if (ret >= 0) {
H5_FAILED();
HDputs(" Dataset is supposed to fail because the chunk can't be flushed to file.");
TEST_ERROR;
}
}
else {
if (H5Dclose(dataset) < 0)
TEST_ERROR;
}
/* Even though H5Dclose or H5Dwrite fails, it should release all resources.
* So the file should close successfully. */
if (H5Fclose(file) < 0)
TEST_ERROR;
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Pclose(dcpl);
H5Sclose(sid);
H5Dclose(dataset);
H5Fclose(file);
}
H5E_END_TRY
return -1;
} /* end test_filter_write() */
/*-------------------------------------------------------------------------
* Function: test_filter_read
*
* Purpose: Tests the library's behavior when a mandate filter returns
* failure. The first 4 chunks should be in the file. The
* last chunk should not.
*
* Return:
* Success: 0
* Failure: -1
*
* Programmer: Raymond Lu
* 25 August 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
test_filter_read(char *file_name, hid_t my_fapl)
{
hid_t file = -1;
hid_t dataset = -1; /* dataset ID */
hid_t sid = -1;
hid_t mspace = -1;
hsize_t dims[1] = {DIM}; /* dataspace dimension - 10*/
int rbuf[DIM]; /* Data */
hsize_t dset_size = 0; /* Dataset storage size */
hsize_t hs_offset[H5S_MAX_RANK];
hsize_t hs_size[H5S_MAX_RANK];
hsize_t stride[1] = {2};
hsize_t zero[8];
hsize_t nelmts = DIM / 2;
int i;
TESTING("data reading when a mandatory filter fails");
/* Open file */
if ((file = H5Fopen(file_name, H5F_ACC_RDONLY, my_fapl)) < 0)
TEST_ERROR;
/* Open dataset */
if ((dataset = H5Dopen2(file, DSET_NAME, H5P_DEFAULT)) < 0)
TEST_ERROR;
/* Verify the storage size is equal to 4 chunks */
if ((dset_size = H5Dget_storage_size(dataset)) == 0)
TEST_ERROR;
if (dset_size != 4 * FILTER_CHUNK_DIM * sizeof(int))
TEST_ERROR;
/* Read the chunks */
HDmemset(rbuf, 0, DIM * sizeof(int));
if (H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf) < 0)
TEST_ERROR;
/* Check that the values read are the same as the values written.
* The last chunk should not be in the file. */
for (i = 0; i < DIM; i++) {
if (i < DIM - 2 && rbuf[i] != i) {
H5_FAILED();
HDprintf(" Read different values than written.\n");
HDprintf(" At index %d\n", i);
HDprintf(" rbuf[%d]=%d\n", i, rbuf[i]);
TEST_ERROR;
}
else if (i >= DIM - 2 && rbuf[i] != 0) {
H5_FAILED();
HDprintf(" No value should be read.\n");
HDprintf(" At index %d\n", i);
HDprintf(" rbuf[%d]=%d\n", i, rbuf[i]);
TEST_ERROR;
}
}
/* Try to read in hyperslab simulating the h5dump's way of printing data */
if ((sid = H5Dget_space(dataset)) < 0)
TEST_ERROR;
HDmemset(hs_offset, 0, sizeof(hs_offset));
HDmemset(hs_size, 0, sizeof(hs_size));
hs_size[0] = DIM / 2;
if (H5Sselect_hyperslab(sid, H5S_SELECT_SET, hs_offset, stride, hs_size, NULL) < 0)
TEST_ERROR;
/* create the data space */
if ((mspace = H5Screate_simple(1, dims, NULL)) < 0)
TEST_ERROR;
HDmemset(zero, 0, sizeof zero);
if (H5Sselect_hyperslab(mspace, H5S_SELECT_SET, zero, stride, &nelmts, NULL) < 0)
TEST_ERROR;
HDmemset(rbuf, 0, DIM * sizeof(int));
if (H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, sid, H5P_DEFAULT, rbuf) < 0)
TEST_ERROR;
/* Check that the values read are the same as the values written.
* The last chunk should not be in the file. */
for (i = 0; i < DIM; i += 2) {
if (i < DIM - 2 && rbuf[i] != i) {
H5_FAILED();
HDprintf(" Read different values than written.\n");
HDprintf(" At index %d\n", i);
HDprintf(" rbuf[%d]=%d\n", i, rbuf[i]);
TEST_ERROR;
}
else if (i >= DIM - 2 && rbuf[i] != 0) {
H5_FAILED();
HDprintf(" No value should be read.\n");
HDprintf(" At index %d\n", i);
HDprintf(" rbuf[%d]=%d\n", i, rbuf[i]);
TEST_ERROR;
}
}
if (H5Sclose(sid) < 0)
TEST_ERROR;
if (H5Sclose(mspace) < 0)
TEST_ERROR;
if (H5Dclose(dataset) < 0)
TEST_ERROR;
if (H5Fclose(file) < 0)
TEST_ERROR;
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Sclose(sid);
H5Sclose(mspace);
H5Dclose(dataset);
H5Fclose(file);
}
H5E_END_TRY
return -1;
} /* end test_filter_read() */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Tests the library's behavior when a mandate filter returns
* failure.
*
* Return: EXIT_SUCCESS/EXIT_FAILURE
*
* Programmer: Raymond Lu
* 25 August 2010
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl;
int mdc_nelmts = 0;
size_t rdcc_nelmts = 0;
size_t rdcc_nbytes = 0;
double rdcc_w0 = 0;
char filename[1024];
unsigned nerrors = 0;
h5_reset();
fapl = h5_fileaccess();
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
/* The chunk cache is used so that the flushing of data chunks happens
* during H5Dclose. All values are default. */
nerrors += (test_filter_write(filename, fapl, TRUE) < 0 ? 1 : 0);
nerrors += (test_filter_read(filename, fapl) < 0 ? 1 : 0);
h5_fixname(FILENAME[1], fapl, filename, sizeof filename);
/* Disable the chunk cache so that the writing of data chunks happens
* during H5Dwrite. */
if (H5Pset_cache(fapl, mdc_nelmts, rdcc_nelmts, rdcc_nbytes, rdcc_w0) < 0)
TEST_ERROR;
/* Run the test again. */
nerrors += (test_filter_write(filename, fapl, FALSE) < 0 ? 1 : 0);
nerrors += (test_filter_read(filename, fapl) < 0 ? 1 : 0);
/* Verify symbol table messages are cached */
nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);
h5_cleanup(FILENAME, fapl);
/* Make sure we can close the library */
if (H5close() < 0)
TEST_ERROR;
if (nerrors)
TEST_ERROR;
HDexit(EXIT_SUCCESS);
error:
if (nerrors) {
HDprintf("***** %u FAILURE%s! *****\n", nerrors, 1 == nerrors ? "" : "S");
HDexit(EXIT_FAILURE);
}
} /* end main() */
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