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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Friday, October 23, 1998
*
* Purpose: This is the first half of a two-part test that makes sure
* that a file can be read after an application crashes as long
* as the file was flushed first. We simulate a crash by
* calling _exit(EXIT_SUCCESS) since this doesn't flush HDF5 caches but
* still exits with success.
*/
#include "h5test.h"
const char *FILENAME[] = {
"flush",
"flush-swmr",
"noflush",
"noflush-swmr",
"flush_extend",
"flush_extend-swmr",
"noflush_extend",
"noflush_extend-swmr",
NULL
};
static double the_data[100][100];
/*-------------------------------------------------------------------------
* Function: create_file
*
* Purpose: Creates files used in part 1 of the test
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Leon Arber
* Sept. 26, 2006
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static hid_t
create_file(char* name, hid_t fapl, hbool_t swmr)
{
hid_t file, dcpl, space, dset, groups, grp;
hsize_t ds_size[2] = {100, 100};
hsize_t ch_size[2] = {5, 5};
unsigned flags;
size_t i, j;
flags = H5F_ACC_TRUNC | (swmr ? H5F_ACC_SWMR_WRITE : 0);
if((file = H5Fcreate(name, flags, H5P_DEFAULT, fapl)) < 0) FAIL_STACK_ERROR
/* Create a chunked dataset */
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) FAIL_STACK_ERROR
if(H5Pset_chunk(dcpl, 2, ch_size) < 0) FAIL_STACK_ERROR
if((space = H5Screate_simple(2, ds_size, NULL)) < 0) FAIL_STACK_ERROR
if((dset = H5Dcreate2(file, "dset", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
/* Write some data */
for(i = 0; i < ds_size[0]; i++)
for(j = 0; j < (size_t)ds_size[1]; j++)
the_data[i][j] = (double)i / (double)(j + 1);
if(H5Dwrite(dset, H5T_NATIVE_DOUBLE, space, space, H5P_DEFAULT, the_data) < 0) FAIL_STACK_ERROR
/* Create some groups */
if((groups = H5Gcreate2(file, "some_groups", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
for(i = 0; i < 100; i++) {
sprintf(name, "grp%02u", (unsigned)i);
if((grp = H5Gcreate2(groups, name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
if(H5Gclose(grp) < 0) FAIL_STACK_ERROR
} /* end for */
return file;
error:
HD_exit(EXIT_FAILURE);
}
/*-------------------------------------------------------------------------
* Function: extend_file
*
* Purpose: Add a small dataset to the file.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Leon Arber
* Oct. 4, 2006
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static hid_t
extend_file(hid_t file)
{
hid_t dcpl, space, dset;
hsize_t ds_size[2] = {100, 100};
hsize_t ch_size[2] = {5, 5};
size_t i, j;
/* Create a chunked dataset */
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if(H5Pset_chunk(dcpl, 2, ch_size) < 0) goto error;
if((space = H5Screate_simple(2, ds_size, NULL)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset2", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
/* Write some data */
for(i = 0; i < ds_size[0]; i++)
for(j = 0; j < (size_t)ds_size[1]; j++)
the_data[i][j] = (double)i / (double)(j + 1);
if(H5Dwrite(dset, H5T_NATIVE_DOUBLE, space, space, H5P_DEFAULT, the_data) < 0) goto error;
return file;
error:
HD_exit(EXIT_FAILURE);
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Part 1 of a two-part H5Fflush() test.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Robb Matzke
* Friday, October 23, 1998
*
* Modifications:
* Leon Arber
* Sept. 26, 2006, expand test to check for failure if H5Fflush is not called.
* Oct. 4 2006, expand test to check for partial failure in case file is flushed, but then
* new datasets are created after the flush.
*
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t file, fapl;
char name[1024];
unsigned swmr;
h5_reset();
fapl = h5_fileaccess();
TESTING("H5Fflush (part1)");
/* Loop over SWMR & non-SWMR opens for the file */
for(swmr = 0; swmr <= 1; swmr++) {
/* Create the file */
h5_fixname(FILENAME[0 + swmr], fapl, name, sizeof name);
file = create_file(name, fapl, swmr);
/* Flush and exit without closing the library */
if (H5Fflush(file, H5F_SCOPE_GLOBAL) < 0) goto error;
/* Create the other file which will not be flushed */
h5_fixname(FILENAME[2 + swmr], fapl, name, sizeof name);
file = create_file(name, fapl, swmr);
/* Create the file */
h5_fixname(FILENAME[4 + swmr], fapl, name, sizeof name);
file = create_file(name, fapl, swmr);
/* Flush and exit without closing the library */
if(H5Fflush(file, H5F_SCOPE_GLOBAL) < 0) goto error;
/* Add a bit to the file and don't flush the new part */
extend_file(file);
/* Flush and exit without closing the library */
if (H5Fflush(file, H5F_SCOPE_GLOBAL) < 0) goto error;
/* Create the file */
h5_fixname(FILENAME[6 + swmr], fapl, name, sizeof name);
file = create_file(name, fapl, swmr);
/* Flush and exit without closing the library */
if(H5Fflush(file, H5F_SCOPE_GLOBAL) < 0) goto error;
/* Add a bit to the file and don't flush the new part */
extend_file(file);
} /* end for */
PASSED();
fflush(stdout);
fflush(stderr);
HD_exit(EXIT_SUCCESS);
error:
HD_exit(EXIT_FAILURE);
return 1;
}
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