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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.
*/
#include <err.h>
#include <libgen.h>
#define H5F_FRIEND /*suppress error about including H5Fpkg */
#include "hdf5.h"
#include "H5Fpkg.h"
// #include "H5Iprivate.h"
#include "H5HGprivate.h"
#include "H5VLprivate.h"
#include "testhdf5.h"
#include "vfd_swmr_common.h"
typedef struct {
hid_t file, filetype, one_by_one_sid;
char filename[PATH_MAX];
char progname[PATH_MAX];
struct timespec update_interval;
unsigned int asteps;
unsigned int nsteps;
bool wait_for_signal;
bool use_vfd_swmr;
} state_t;
#define ALL_HID_INITIALIZER (state_t){ \
.file = H5I_INVALID_HID \
, .one_by_one_sid = H5I_INVALID_HID \
, .filename = "" \
, .filetype = H5T_NATIVE_UINT32 \
, .asteps = 10 \
, .nsteps = 100 \
, .wait_for_signal = true \
, .use_vfd_swmr = true \
, .update_interval = (struct timespec){ \
.tv_sec = 0 \
, .tv_nsec = 1000000000UL / 30 /* 1/30 second */}}
static void state_init(state_t *, int, char **);
static const hid_t badhid = H5I_INVALID_HID;
static void
usage(const char *progname)
{
fprintf(stderr, "usage: %s [-S] [-W] [-a steps] [-b]\n"
" [-n iterations] [-u milliseconds]\n"
"\n"
"-S: do not use VFD SWMR\n"
"-W: do not wait for a signal before\n"
" exiting\n"
"-a steps: `steps` between adding attributes\n"
"-b: write data in big-endian byte order\n"
"-n iterations: how many times to expand each dataset\n"
"-u ms: milliseconds interval between updates\n"
" to %s.h5\n"
"\n",
progname, progname);
exit(EXIT_FAILURE);
}
static void
state_init(state_t *s, int argc, char **argv)
{
unsigned long tmp;
int ch;
const hsize_t dims = 1;
char tfile[PATH_MAX];
char *end;
unsigned long millis;
*s = ALL_HID_INITIALIZER;
esnprintf(tfile, sizeof(tfile), "%s", argv[0]);
esnprintf(s->progname, sizeof(s->progname), "%s", basename(tfile));
while ((ch = getopt(argc, argv, "SWa:bn:qu:")) != -1) {
switch (ch) {
case 'S':
s->use_vfd_swmr = false;
break;
case 'W':
s->wait_for_signal = false;
break;
case 'a':
case 'n':
errno = 0;
tmp = strtoul(optarg, &end, 0);
if (end == optarg || *end != '\0') {
errx(EXIT_FAILURE, "couldn't parse `-%c` argument `%s`", ch,
optarg);
} else if (errno != 0) {
err(EXIT_FAILURE, "couldn't parse `-%c` argument `%s`", ch,
optarg);
} else if (tmp > UINT_MAX)
errx(EXIT_FAILURE, "`-%c` argument `%lu` too large", ch, tmp);
if (ch == 'a')
s->asteps = (unsigned)tmp;
else
s->nsteps = (unsigned)tmp;
break;
case 'b':
s->filetype = H5T_STD_U32BE;
break;
case 'q':
verbosity = 0;
break;
case 'u':
errno = 0;
millis = strtoul(optarg, &end, 0);
if (millis == ULONG_MAX && errno == ERANGE) {
err(EXIT_FAILURE,
"option -p argument \"%s\"", optarg);
} else if (*end != '\0') {
errx(EXIT_FAILURE,
"garbage after -p argument \"%s\"", optarg);
}
s->update_interval.tv_sec = (time_t)(millis / 1000UL);
s->update_interval.tv_nsec =
(long)((millis * 1000000UL) % 1000000000UL);
dbgf(1, "%lu milliseconds between updates\n", millis);
break;
case '?':
default:
usage(s->progname);
break;
}
}
argc -= optind;
argv += optind;
/* space for attributes */
if ((s->one_by_one_sid = H5Screate_simple(1, &dims, &dims)) < 0)
errx(EXIT_FAILURE, "H5Screate_simple failed");
if (argc > 0)
errx(EXIT_FAILURE, "unexpected command-line arguments");
esnprintf(s->filename, sizeof(s->filename), "vfd_swmr_group.h5");
}
static void
add_group_attribute(const state_t *s, hid_t g, hid_t sid, unsigned int which)
{
hid_t aid;
char name[sizeof("attr-9999999999")];
esnprintf(name, sizeof(name), "attr-%u", which);
dbgf(1, "setting attribute %s on group %u to %u\n", name, which, which);
if ((aid = H5Acreate2(g, name, s->filetype, sid, H5P_DEFAULT,
H5P_DEFAULT)) < 0)
errx(EXIT_FAILURE, "H5Acreate2 failed");
if (H5Awrite(aid, H5T_NATIVE_UINT, &which) < 0)
errx(EXIT_FAILURE, "H5Awrite failed");
if (H5Aclose(aid) < 0)
errx(EXIT_FAILURE, "H5Aclose failed");
}
static void
write_group(state_t *s, unsigned int which)
{
char name[sizeof("/group-9999999999")];
hid_t g;
assert(which < s->nsteps);
esnprintf(name, sizeof(name), "/group-%d", which);
g = H5Gcreate2(s->file, name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
if (g < 0)
errx(EXIT_FAILURE, "H5Gcreate(, \"%s\", ) failed", name);
if (s->asteps != 0 && which % s->asteps == 0)
add_group_attribute(s, g, s->one_by_one_sid, which);
if (H5Gclose(g) < 0)
errx(EXIT_FAILURE, "H5Gclose failed");
}
static bool
verify_group_attribute(hid_t g, unsigned int which)
{
estack_state_t es;
unsigned int read_which;
hid_t aid;
char name[sizeof("attr-9999999999")];
esnprintf(name, sizeof(name), "attr-%u", which);
dbgf(1, "verifying attribute %s on group %u equals %u\n", name, which,
which);
es = disable_estack();
if ((aid = H5Aopen(g, name, H5P_DEFAULT)) < 0) {
restore_estack(es);
return false;
}
if (H5Aread(aid, H5T_NATIVE_UINT, &read_which) < 0) {
restore_estack(es);
if (H5Aclose(aid) < 0)
errx(EXIT_FAILURE, "H5Aclose failed");
return false;
}
restore_estack(es);
if (H5Aclose(aid) < 0)
errx(EXIT_FAILURE, "H5Aclose failed");
return read_which == which;
}
static bool
verify_group(state_t *s, unsigned int which)
{
char name[sizeof("/group-9999999999")];
hid_t g;
estack_state_t es;
bool result;
assert(which < s->nsteps);
esnprintf(name, sizeof(name), "/group-%d", which);
es = disable_estack();
g = H5Gopen(s->file, name, H5P_DEFAULT);
restore_estack(es);
if (g < 0)
return false;
if (s->asteps != 0 && which % s->asteps == 0)
result = verify_group_attribute(g, which);
else
result = true;
if (H5Gclose(g) < 0)
errx(EXIT_FAILURE, "H5Gclose failed");
return result;
}
int
main(int argc, char **argv)
{
hid_t fapl, fcpl;
sigset_t oldsigs;
herr_t ret;
unsigned step;
bool writer;
state_t s;
const char *personality;
H5F_vfd_swmr_config_t config;
state_init(&s, argc, argv);
personality = strstr(s.progname, "vfd_swmr_group_");
if (personality != NULL &&
strcmp(personality, "vfd_swmr_group_writer") == 0)
writer = true;
else if (personality != NULL &&
strcmp(personality, "vfd_swmr_group_reader") == 0)
writer = false;
else {
errx(EXIT_FAILURE,
"unknown personality, expected vfd_swmr_group_{reader,writer}");
}
/* config, tick_len, max_lag, writer, flush_raw_data, md_pages_reserved, md_file_path */
init_vfd_swmr_config(&config, 4, 7, writer, FALSE, 128, "./group-shadow");
/* use_latest_format, use_vfd_swmr, only_meta_page, config */
fapl = vfd_swmr_create_fapl(true, s.use_vfd_swmr, true, &config);
if (fapl < 0)
errx(EXIT_FAILURE, "vfd_swmr_create_fapl");
if ((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
errx(EXIT_FAILURE, "H5Pcreate");
ret = H5Pset_file_space_strategy(fcpl, H5F_FSPACE_STRATEGY_PAGE, false, 1);
if (ret < 0)
errx(EXIT_FAILURE, "H5Pset_file_space_strategy");
if (writer)
s.file = H5Fcreate(s.filename, H5F_ACC_TRUNC, fcpl, fapl);
else
s.file = H5Fopen(s.filename, H5F_ACC_RDONLY, fapl);
if (s.file == badhid)
errx(EXIT_FAILURE, writer ? "H5Fcreate" : "H5Fopen");
block_signals(&oldsigs);
if (writer) {
for (step = 0; step < s.nsteps; step++) {
dbgf(2, "step %d\n", step);
write_group(&s, step);
nanosleep(&s.update_interval, NULL);
}
} else {
for (step = 0; step < s.nsteps;) {
dbgf(2, "step %d\n", step);
if (verify_group(&s, step))
step++;
nanosleep(&s.update_interval, NULL);
}
}
if (s.use_vfd_swmr && s.wait_for_signal)
await_signal(s.file);
restore_signals(&oldsigs);
if (H5Pclose(fapl) < 0)
errx(EXIT_FAILURE, "H5Pclose(fapl)");
if (H5Pclose(fcpl) < 0)
errx(EXIT_FAILURE, "H5Pclose(fcpl)");
if (H5Fclose(s.file) < 0)
errx(EXIT_FAILURE, "H5Fclose");
return EXIT_SUCCESS;
}
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