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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by Akadio, Inc. *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* This program checks independence of writer and reader for VFD SWMR.
* A writer can also be a reader of another writer. A reader can also be a
* writer. The program adapts from the "many small" and the "few big" tests.
* One can test the program as follows:
* Run ./vfd_swmr_indep_wr_p0 at one terminal
* Run ./vfd_swmr_indep_wr_p1 at another terminal
* You should see something like:
* Successfully write the dataset /dataset-0 for file vfd_swmr_indep_wr_p0.h5.
* Successfully open the dataset /dataset-1 for file vfd_swmr_indep_wr_p1.h5.
* Successfully verify a dataset.
* and
* Successfully open the dataset /dataset-0 for file vfd_swmr_indep_wr_p0.h5.
* Successfully verify a dataset.
* Successfully write the dataset /dataset-1 for file vfd_swmr_indep_wr_p1.h5.
*/
#define H5C_FRIEND /*suppress error about including H5Cpkg */
#define H5F_FRIEND /*suppress error about including H5Fpkg */
#include "hdf5.h"
#include "H5Cpkg.h"
#include "H5Fpkg.h"
#include "H5HGprivate.h"
#include "H5VLprivate.h"
#include "testhdf5.h"
#include "vfd_swmr_common.h"
#ifndef H5_HAVE_WIN32_API
#define DATA_ROWS 256
#define DATA_COLS 512
#define DATA_RANK 2
#define NUM_ATTEMPTS 100
/* Structure for filling the dataset values. Adapted from vfd_swmr_bigset_writer.c. */
typedef struct _mat {
unsigned rows, cols;
uint32_t elt[1];
} mat_t;
/* Structure to hold the information of various parameters used in the program. */
typedef struct {
hid_t file[2];
const char * filename[2];
char progname[PATH_MAX];
hid_t r_dsetid;
hid_t dtype, fapl, fcpl;
unsigned int rows, cols;
int rank;
hsize_t dims[DATA_RANK];
uint32_t max_lag;
uint32_t tick_len;
uint32_t ps;
uint32_t pbs;
uint32_t check_interval;
bool use_vfd_swmr;
bool first_proc;
} state_t;
/* Assign the initialized values to struct state_t declared above */
static inline state_t
state_initializer(void)
{
return (state_t){.file = {H5I_INVALID_HID, H5I_INVALID_HID},
.filename = {"", ""},
.r_dsetid = H5I_INVALID_HID,
.dtype = H5T_NATIVE_UINT32,
.fapl = H5I_INVALID_HID,
.fcpl = H5I_INVALID_HID,
.rows = DATA_ROWS,
.cols = DATA_COLS,
.rank = DATA_RANK,
.dims = {DATA_ROWS, DATA_COLS},
.max_lag = 7,
.tick_len = 4,
.ps = 4096,
.pbs = 4096,
.check_interval = 1,
.use_vfd_swmr = true,
.first_proc = true};
}
/* Obtain the data value at index [i][j] for the 2D matrix.
All the routines related to the matrix are adapted from the vfd_swmr_bigset_writer.c. */
static uint32_t
matget(const mat_t *mat, unsigned i, unsigned j)
{
return mat->elt[i * mat->cols + j];
}
/* Set the data value at index [i][j] for the 2D matrix. */
static bool
matset(mat_t *mat, unsigned i, unsigned j, uint32_t v)
{
if (i >= mat->rows || j >= mat->cols) {
HDfprintf(stderr, "index out of boundary\n");
TEST_ERROR;
}
mat->elt[i * mat->cols + j] = v;
return true;
error:
return false;
}
/* Allocate memory for the 2-D matrix. */
static mat_t *
newmat(state_t s)
{
mat_t *mat;
mat = HDmalloc(sizeof(*mat) + (s.rows * s.cols - 1) * sizeof(mat->elt[0]));
if (mat == NULL) {
HDfprintf(stderr, "HDmalloc failed\n");
TEST_ERROR;
}
mat->rows = s.rows;
mat->cols = s.cols;
return mat;
error:
return NULL;
}
/* Write or verify the dataset test pattern in the matrix `mat`.
* If `do_set` is true, write the pattern; otherwise, verify.
*
* The basic test pattern consists of increasing
* integers written in nested corners of the dataset
* starting at element (0, 0):
*
* 0
*
* 0 1
* 3 2
*
* 0 1 4
* 3 2 5
* 8 7 6
*
* 0 1 4 9
* 3 2 5 10
* 8 7 6 11
* 15 14 13 12
*
* In an actual pattern, the dataset number, `which`, is added to each integer.
*
*/
static bool
set_or_verify_matrix(mat_t *mat, unsigned int which, bool do_set)
{
unsigned row, col;
bool ret = true;
for (row = 0; row < mat->rows; row++) {
for (col = 0; col < mat->cols; col++) {
uint32_t v;
hsize_t i = row, j = col, u;
if (j <= i)
u = (i + 1) * (i + 1) - 1 - j;
else
u = j * j + i;
v = (uint32_t)(u + which);
if (do_set) {
if (!matset(mat, row, col, v)) {
HDfprintf(stderr, "data initialization failed\n");
ret = false;
break;
}
}
else if (matget(mat, row, col) != v) {
/* If the data doesn't match, return false
*/
dbgf(1, "vrfy_matrix failed at row %u,col %u\n", row, col);
dbgf(1, "real value is %u\n", matget(mat, row, col));
dbgf(1, "expected value is %u\n", v);
ret = false;
break;
}
}
}
return ret;
}
/* Initialize the matrix values. The parameter 'which' determines the data value. */
static bool
init_matrix(mat_t *mat, unsigned int which)
{
return set_or_verify_matrix(mat, which, true);
}
/* Verify the matrix values at each point. The parameter 'which" determines the data value. */
static bool
verify_matrix(mat_t *mat, unsigned int which)
{
return set_or_verify_matrix(mat, which, false);
}
/* Usage of this program when running with the -h option */
static void
usage(const char *progname)
{
fprintf(stderr,
"usage: %s [-S] [-c cols] [-r rows] [-t tick_len] [-m max_lag] \n"
" [-B page_buffer_size] [-s page_size] [-u reader wait interval] [-q silent output] \n"
"\n"
"-S: do not use VFD SWMR\n"
"-c cols: `cols` columns for the dataset\n"
" The default value is 512.\n"
"-r rows: `rows` rows for the dataset\n"
" The default value is 256.\n"
"-t tick_len: length of a tick in tenths of a second.\n"
"-m max_lag: maximum expected lag(in ticks) between writer and readers\n"
"-B pbs: page buffer size in bytes:\n"
" The default value is 4K(4096).\n"
"-s ps: page size used by page aggregation, page buffer and \n"
" the metadata file. The default value is 4K(4096).\n"
"-u 0.1s: interval in tenth of seconds to check if a dataset is ready for the reader.\n"
"-q: silence printouts, few messages\n"
"\n",
progname);
exit(EXIT_FAILURE);
}
/* Initialize the state_t with different options specified by the user. */
static bool
state_init(state_t *s, int argc, char **argv)
{
unsigned long tmp;
int ch;
char * tfile = NULL;
char * end;
const char * personality;
*s = state_initializer();
if (H5_basename(argv[0], &tfile) < 0) {
HDprintf("H5_basename failed\n");
TEST_ERROR;
}
esnprintf(s->progname, sizeof(s->progname), "%s", tfile);
if (tfile) {
HDfree(tfile);
tfile = NULL;
}
while ((ch = getopt(argc, argv, "Sqc:r:t:m:B:s:u:")) != -1) {
switch (ch) {
case 'S':
s->use_vfd_swmr = false;
break;
case 'c':
case 'r':
case 't':
case 'm':
case 'B':
case 's':
case 'u':
errno = 0;
tmp = HDstrtoul(optarg, &end, 0);
if (end == optarg || *end != '\0') {
HDfprintf(stderr, "couldn't parse -%c argument %s\n", ch, optarg);
TEST_ERROR;
}
else if (errno != 0) {
HDfprintf(stderr, "couldn't parse -%c argument %s\n", ch, optarg);
TEST_ERROR;
}
else if (tmp > UINT_MAX) {
HDfprintf(stderr, "-%c argument %lu too large", ch, tmp);
TEST_ERROR;
}
if ((ch == 'c' || ch == 'r') && tmp == 0) {
HDfprintf(stderr, "-%c argument %lu must be >= 1", ch, tmp);
TEST_ERROR;
}
if (ch == 'c')
s->cols = (unsigned)tmp;
else if (ch == 'r')
s->rows = (unsigned)tmp;
else if (ch == 't')
s->tick_len = (unsigned)tmp;
else if (ch == 'm')
s->max_lag = (unsigned)tmp;
else if (ch == 'B')
s->pbs = (unsigned)tmp;
else if (ch == 's')
s->ps = (unsigned)tmp;
else if (ch == 'u')
s->check_interval = (unsigned)tmp;
break;
case 'q':
verbosity = 0;
break;
case '?':
default:
usage(s->progname);
break;
}
}
argc -= optind;
argv += optind;
if (argc > 0) {
HDprintf("unexpected command-line arguments\n");
TEST_ERROR;
}
s->filename[0] = "vfd_swmr_indep_wr_p0.h5";
s->filename[1] = "vfd_swmr_indep_wr_p1.h5";
s->dims[0] = s->rows;
s->dims[1] = s->cols;
personality = HDstrstr(s->progname, "vfd_swmr_indep_wr");
if (personality != NULL && HDstrcmp(personality, "vfd_swmr_indep_wr_p0") == 0)
s->first_proc = true;
else if (personality != NULL && HDstrcmp(personality, "vfd_swmr_indep_wr_p1") == 0)
s->first_proc = false;
else {
HDprintf("unknown personality, expected vfd_swmr_indep_wr_{p0,p1}\n");
TEST_ERROR;
}
return true;
error:
if (tfile)
HDfree(tfile);
return false;
}
/* Initialize the configuration and the file creation and access property lists
* for the VFD SMWR independence of the reader/writer test.
*/
static bool
indep_init_vfd_swmr_config_plist(state_t *s, bool writer, const char *mdf_path)
{
H5F_vfd_swmr_config_t config;
/* config, tick_len, max_lag, writer, maintain_metadata_file, generate_updater_files,
* flush_raw_data, md_pages_reserved, md_file_path, updater_file_path */
init_vfd_swmr_config(&config, s->tick_len, s->max_lag, writer, TRUE, FALSE, TRUE, 128, mdf_path, NULL);
/* Pass the use_vfd_swmr, only_meta_page, page buffer size, config to vfd_swmr_create_fapl().*/
if ((s->fapl = vfd_swmr_create_fapl(true, s->use_vfd_swmr, true, s->pbs, &config)) < 0) {
printf("vfd_swmr_create_fapl failed\n");
TEST_ERROR;
}
/* Set fs_strategy (file space strategy) and fs_page_size (file space page size) */
if ((s->fcpl = vfd_swmr_create_fcpl(H5F_FSPACE_STRATEGY_PAGE, s->ps)) < 0) {
HDprintf("vfd_swmr_create_fcpl() failed");
TEST_ERROR;
}
return true;
error:
return false;
}
/* Write the matrix mat to a dataset. The dataset name depends on the process it runs. */
static bool
write_dataset(const state_t *s, mat_t *mat)
{
char dname[sizeof("/dataset-?")];
hid_t dset_id = H5I_INVALID_HID;
hid_t filespace = H5I_INVALID_HID;
unsigned int which = 0;
if (s->first_proc)
esnprintf(dname, sizeof(dname), "/dataset-%d", 0);
else {
esnprintf(dname, sizeof(dname), "/dataset-%d", 1);
which = 1;
}
filespace = H5Screate_simple(s->rank, s->dims, NULL);
if (filespace < 0) {
HDfprintf(stderr, "H5Screate_simple failed\n");
TEST_ERROR;
}
if ((dset_id = H5Dcreate2(s->file[which], dname, s->dtype, filespace, H5P_DEFAULT, H5P_DEFAULT,
H5P_DEFAULT)) < 0) {
HDfprintf(stderr, "H5Dcreate2 failed\n");
TEST_ERROR;
}
if (H5Sclose(filespace) < 0) {
HDfprintf(stderr, "H5Sclose failed\n");
TEST_ERROR;
}
if (!init_matrix(mat, which)) {
HDfprintf(stderr, "data initialization failed\n");
TEST_ERROR;
}
if (H5Dwrite(dset_id, H5T_NATIVE_UINT32, H5S_ALL, H5S_ALL, H5P_DEFAULT, mat->elt) < 0) {
HDfprintf(stderr, "H5Dwrite failed\n");
TEST_ERROR;
}
if (H5Dclose(dset_id) < 0) {
HDfprintf(stderr, "H5Dclose failed\n");
TEST_ERROR;
}
if (s->first_proc)
dbgf(1, "Process 0: Successfully write the dataset %s for file %s.\n", dname, s->filename[which]);
else
dbgf(1, "Process 1: Successfully write the dataset %s for file %s.\n", dname, s->filename[which]);
return true;
error:
H5E_BEGIN_TRY
{
H5Sclose(filespace);
H5Dclose(dset_id);
}
H5E_END_TRY;
return false;
}
/* Open the dataset according to the dataset name related to the process.
The dataset ID is saved in the state_t s */
static bool
open_dset(state_t *s)
{
char dname[sizeof("/dataset-?")];
hid_t dset_id;
unsigned int i;
unsigned int fopen_idx = 0;
/* The first process reads the dataset from the second process
* The second process reads the dataset from the first process
*/
if (s->first_proc) {
esnprintf(dname, sizeof(dname), "/dataset-%d", 1);
fopen_idx = 1;
}
else {
esnprintf(dname, sizeof(dname), "/dataset-%d", 0);
fopen_idx = 0;
}
/* Same as the big dset test, tries to open the dataset repeatedly until successful. After trying
* NUM_ATTEMPTS times without success, report it as a failure
*/
for (i = 0; i < NUM_ATTEMPTS; i++) {
H5E_BEGIN_TRY
{
dset_id = H5Dopen2(s->file[fopen_idx], dname, H5P_DEFAULT);
}
H5E_END_TRY;
if (dset_id >= 0)
break;
else
decisleep(s->check_interval);
}
s->r_dsetid = dset_id;
if (i == NUM_ATTEMPTS) {
HDfprintf(stderr, "dataset opening reaches the maximal number of attempts\n");
TEST_ERROR;
}
if (s->first_proc)
dbgf(1, "Process 0: Successfully open the dataset %s for file %s.\n", dname, s->filename[fopen_idx]);
else
dbgf(1, "Process 1: Successfully open the dataset %s for file %s.\n", dname, s->filename[fopen_idx]);
return true;
error:
return false;
}
/* Verify a dataset, this routine must be called after the open_dset().
* It will use the dataset ID assigned by open_dset().
*/
static bool
vrfy_dset(const state_t *s, mat_t *mat)
{
unsigned int i;
unsigned int which = 0;
herr_t status;
/* The approach is adapted from the big set test. A failure to read the data may indicate the data isn't
* ready yet. For this case, we will not display the error stack, instead sleeping for one tenth of a
* second, call H5Drefresh and try to call H5Dread again. After NUM_ATTEMPTS times, issue an error.
*/
for (i = 0; i < NUM_ATTEMPTS; i++) {
H5E_BEGIN_TRY
{
status = H5Dread(s->r_dsetid, H5T_NATIVE_UINT32, H5S_ALL, H5S_ALL, H5P_DEFAULT, mat->elt);
}
H5E_END_TRY;
if (status < 0) {
decisleep(1);
/* Refresh the dataset and try it again */
if (H5Drefresh(s->r_dsetid) < 0) {
HDfprintf(stderr, "H5Drefresh failed\n");
TEST_ERROR;
}
}
else
break;
}
if (i == NUM_ATTEMPTS) {
HDfprintf(stderr, "dataset verification reached the maximal number of attempts\n");
TEST_ERROR;
}
if (s->first_proc)
which = 1;
if (verify_matrix(mat, which) == false) {
HDfprintf(stderr, "dataset verification failed\n");
TEST_ERROR;
}
if (s->first_proc)
dbgf(1, "Process 0: Successfully verify a dataset.\n");
else
dbgf(1, "Process 1: Successfully verify a dataset.\n");
return true;
error:
return false;
}
/* The wrapper routine of open_dset() and vrfy_dset() for readers to verify a dataset. */
static bool
read_vrfy_dataset(state_t *s, mat_t *mat)
{
if (false == open_dset(s)) {
HDfprintf(stderr, "Reader: open_dataset() failed\n");
TEST_ERROR;
}
if (false == vrfy_dset(s, mat)) {
HDfprintf(stderr, "Reader: vrfy_dataset() failed\n");
TEST_ERROR;
}
if (H5Dclose(s->r_dsetid) < 0) {
HDfprintf(stderr, "Reader: H5Dclose() failed\n");
TEST_ERROR;
}
return true;
error:
H5E_BEGIN_TRY
{
H5Dclose(s->r_dsetid);
}
H5E_END_TRY;
return false;
}
/* Close the file access and creation property lists. */
static bool
close_pl(const state_t *s)
{
if (H5Pclose(s->fapl) < 0) {
printf("H5Pclose failed\n");
TEST_ERROR;
}
if (H5Pclose(s->fcpl) < 0) {
printf("H5Pclose failed\n");
TEST_ERROR;
}
return true;
error:
H5E_BEGIN_TRY
{
H5Pclose(s->fapl);
H5Pclose(s->fcpl);
}
H5E_END_TRY;
return false;
}
int
main(int argc, char **argv)
{
bool writer = true;
state_t s;
bool ret = false;
unsigned i;
mat_t * mat = NULL;
if (!state_init(&s, argc, argv)) {
HDfprintf(stderr, "state_init failed\n");
TEST_ERROR;
}
if ((mat = newmat(s)) == NULL) {
HDfprintf(stderr, "could not allocate memory for dataset \n");
TEST_ERROR;
}
/* The first process writes a dataset in the first file and then reads a dataset from the second file.*/
if (s.first_proc) {
writer = true;
if (false == indep_init_vfd_swmr_config_plist(&s, writer, "./file1-shadow")) {
HDfprintf(stderr, "Writer: Cannot initialize file property lists for file %s\n", s.filename[0]);
TEST_ERROR;
}
s.file[0] = H5Fcreate(s.filename[0], H5F_ACC_TRUNC, s.fcpl, s.fapl);
if (s.file[0] < 0) {
HDfprintf(stderr, "H5Fcreate failed for the file %s\n", s.filename[0]);
TEST_ERROR;
}
ret = write_dataset(&s, mat);
if (ret == false) {
HDfprintf(stderr, "write_dataset failed for the file %s\n", s.filename[0]);
TEST_ERROR;
}
/* writer makes repeated HDF5 API calls
* to trigger EOT at approximately the correct time */
for (i = 0; i < s.max_lag + 1; i++) {
decisleep(s.tick_len);
H5E_BEGIN_TRY
{
H5Aexists(s.file[0], "nonexistent");
}
H5E_END_TRY;
}
if (false == close_pl(&s)) {
HDfprintf(stderr, "Fail to close file property lists for writing the file %s.\n", s.filename[0]);
TEST_ERROR;
}
writer = false;
if (false == indep_init_vfd_swmr_config_plist(&s, writer, "./file2-shadow")) {
HDfprintf(stderr, "Reader: Cannot initialize file property lists for file %s\n", s.filename[1]);
TEST_ERROR;
}
s.file[1] = H5Fopen(s.filename[1], H5F_ACC_RDONLY, s.fapl);
if (s.file[1] < 0) {
HDfprintf(stderr, "H5Fopen failed for the file %s\n", s.filename[1]);
TEST_ERROR;
}
ret = read_vrfy_dataset(&s, mat);
if (ret == false) {
HDfprintf(stderr, "read and verify dataset failed for file %s\n", s.filename[1]);
TEST_ERROR;
}
if (false == close_pl(&s)) {
HDfprintf(stderr, "Fail to close file property lists for reading the file %s.\n", s.filename[1]);
TEST_ERROR;
}
if (H5Fclose(s.file[0]) < 0) {
HDfprintf(stderr, "fail to close HDF5 file %s \n", s.filename[0]);
TEST_ERROR;
}
if (H5Fclose(s.file[1]) < 0) {
HDfprintf(stderr, "fail to close HDF5 file %s \n", s.filename[1]);
TEST_ERROR;
}
}
else {
/* The second process reads the dataset of the first file generated by the first process,
* then writes a dataset in the second file for the first process to read.
*/
writer = false;
if (false == indep_init_vfd_swmr_config_plist(&s, writer, "./file1-shadow")) {
HDfprintf(stderr, "Reader: Cannot initialize file property lists for file %s\n", s.filename[0]);
TEST_ERROR;
}
s.file[0] = H5Fopen(s.filename[0], H5F_ACC_RDONLY, s.fapl);
if (s.file[0] < 0) {
HDfprintf(stderr, "H5Fopen failed for the file %s\n", s.filename[0]);
TEST_ERROR;
}
ret = read_vrfy_dataset(&s, mat);
if (ret == false) {
HDfprintf(stderr, "read and verify dataset failed for file %s\n", s.filename[0]);
TEST_ERROR;
}
if (false == close_pl(&s)) {
HDfprintf(stderr, "Fail to close file property lists for reading the file %s.\n", s.filename[0]);
TEST_ERROR;
}
writer = true;
if (false == indep_init_vfd_swmr_config_plist(&s, writer, "./file2-shadow")) {
HDfprintf(stderr, "writer: Cannot initialize file property lists for file %s\n", s.filename[1]);
TEST_ERROR;
}
s.file[1] = H5Fcreate(s.filename[1], H5F_ACC_TRUNC, s.fcpl, s.fapl);
if (s.file[1] < 0) {
HDfprintf(stderr, "H5Fcreate failed for the file %s\n", s.filename[1]);
TEST_ERROR;
}
ret = write_dataset(&s, mat);
if (ret == false) {
HDfprintf(stderr, "write_dataset failed for the file %s\n", s.filename[1]);
TEST_ERROR;
}
/* writer makes repeated HDF5 API calls
* to trigger EOT at approximately the correct time */
for (i = 0; i < s.max_lag + 1; i++) {
decisleep(s.tick_len);
H5E_BEGIN_TRY
{
H5Aexists(s.file[1], "nonexistent");
}
H5E_END_TRY;
}
if (false == close_pl(&s)) {
HDfprintf(stderr, "Fail to close file property lists for writing the file %s.\n", s.filename[1]);
TEST_ERROR;
}
if (H5Fclose(s.file[0]) < 0) {
HDfprintf(stderr, "fail to close HDF5 file %s \n", s.filename[0]);
TEST_ERROR;
}
if (H5Fclose(s.file[1]) < 0) {
HDfprintf(stderr, "fail to close HDF5 file %s \n", s.filename[1]);
TEST_ERROR;
}
}
if (mat)
HDfree(mat);
return EXIT_SUCCESS;
error:
H5E_BEGIN_TRY
{
H5Pclose(s.fapl);
H5Pclose(s.fcpl);
H5Fclose(s.file[0]);
H5Fclose(s.file[1]);
}
H5E_END_TRY;
if (mat)
HDfree(mat);
return EXIT_FAILURE;
}
#else /* H5_HAVE_WIN32_API */
int
main(void)
{
HDfprintf(stderr, "Non-POSIX platform. Skipping.\n");
return EXIT_SUCCESS;
} /* end main() */
#endif /* H5_HAVE_WIN32_API */
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