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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#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 "H5Iprivate.h"
#include "H5HGprivate.h"
#include "H5VLprivate.h"
#include "testhdf5.h"
#include "vfd_swmr_common.h"
#ifndef H5_HAVE_WIN32_API
#include <err.h>
typedef enum _step { CREATE = 0, LENGTHEN, SHORTEN, DELETE, NSTEPS } step_t;
static const hid_t badhid = H5I_INVALID_HID; // abbreviate
static bool caught_out_of_bounds = false;
static bool read_null = false;
static bool
read_vl_dset(hid_t dset, hid_t type, char **data)
{
bool success;
estack_state_t es;
es = disable_estack();
success = H5Dread(dset, type, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) >= 0;
if (*data == NULL) {
read_null = true;
return false;
}
restore_estack(es);
return success;
}
static void
usage(const char *progname)
{
fprintf(stderr, "usage: %s [-W] [-V] [-t (oob|null)] \n", progname);
fprintf(stderr, "\n -S: do not use VFD SWMR\n");
fprintf(stderr, " -n: number of test steps to perform\n");
fprintf(stderr, " -q: be quiet: few/no progress messages\n");
fprintf(stderr, " -t (oob|null): select out-of-bounds or NULL test\n");
exit(EXIT_FAILURE);
}
bool
H5HG_trap(const char *reason)
{
if (strcmp(reason, "out of bounds") == 0) {
caught_out_of_bounds = true;
return true;
}
return false;
}
int
main(int argc, char **argv)
{
hid_t fapl, fid, space, type;
hid_t dset[2];
char * content[2];
char name[2][96];
int ch, i, ntimes = 100;
unsigned long tmp;
bool use_vfd_swmr = true;
char * end;
const long millisec_in_nanosecs = 1000 * 1000;
const struct timespec delay = {.tv_sec = 0, .tv_nsec = millisec_in_nanosecs * 11 / 10};
testsel_t sel = TEST_NONE;
H5F_vfd_swmr_config_t config;
assert(H5T_C_S1 != badhid);
while ((ch = getopt(argc, argv, "Sn:qt:")) != -1) {
switch (ch) {
case 'S':
use_vfd_swmr = false;
break;
case 'n':
errno = 0;
tmp = strtoul(optarg, &end, 0);
if (end == optarg || *end != '\0')
errx(EXIT_FAILURE, "couldn't parse `-n` argument `%s`", optarg);
else if (errno != 0)
err(EXIT_FAILURE, "couldn't parse `-n` argument `%s`", optarg);
else if (tmp > INT_MAX)
errx(EXIT_FAILURE, "`-n` argument `%lu` too large", tmp);
ntimes = (int)tmp;
break;
case 'q':
verbosity = 1;
break;
case 't':
if (strcmp(optarg, "oob") == 0)
sel = TEST_OOB;
else if (strcmp(optarg, "null") == 0)
sel = TEST_NULL;
else
usage(argv[0]);
break;
default:
usage(argv[0]);
break;
}
}
argv += optind;
argc -= optind;
if (argc > 0)
errx(EXIT_FAILURE, "unexpected command-line arguments");
/* config, tick_len, max_lag, writer, flush_raw_data, md_pages_reserved, md_file_path */
init_vfd_swmr_config(&config, 4, 7, false, FALSE, 128, "./vlstr-shadow");
/* use_latest_format, use_vfd_swmr, only_meta_page, config */
fapl = vfd_swmr_create_fapl(true, use_vfd_swmr, sel == TEST_OOB, &config);
if (fapl < 0)
errx(EXIT_FAILURE, "vfd_swmr_create_fapl");
fid = H5Fopen("vfd_swmr_vlstr.h5", H5F_ACC_RDONLY, fapl);
/* Create the VL string datatype and a scalar dataspace */
if ((type = H5Tcopy(H5T_C_S1)) == badhid)
errx(EXIT_FAILURE, "H5Tcopy");
if (H5Tset_size(type, H5T_VARIABLE) < 0)
errx(EXIT_FAILURE, "H5Tset_size");
space = H5Screate(H5S_SCALAR);
if (space == badhid)
errx(EXIT_FAILURE, "H5Screate");
if (fid == badhid)
errx(EXIT_FAILURE, "H5Fcreate");
/* content 1 seq 1 short
* content 1 seq 1 long long long long long long long long
* content 1 seq 1 medium medium medium
*/
for (i = 0; !caught_out_of_bounds && i < ntimes; (i % 2 == 0) ? nanosleep(&delay, NULL) : 0, i++) {
estack_state_t es;
const int ndsets = 2;
const int which = i % ndsets;
int nconverted;
struct {
int which;
int seq;
char tail[96];
} scanned_content;
dbgf(2, "iteration %d which %d", i, which);
(void)snprintf(name[which], sizeof(name[which]), "dset-%d", which);
es = disable_estack();
dset[which] = H5Dopen2(fid, name[which], H5P_DEFAULT);
restore_estack(es);
if (caught_out_of_bounds || dset[which] == badhid) {
dbgf(2, ": couldn't open\n");
continue;
}
if (!read_vl_dset(dset[which], type, &content[which])) {
H5Dclose(dset[which]);
dbgf(2, ": couldn't read\n");
continue;
}
nconverted = sscanf(content[which], "content %d seq %d %96s", &scanned_content.which,
&scanned_content.seq, scanned_content.tail);
if (nconverted != 3) {
dbgf(2, ": couldn't scan\n");
continue;
}
dbgf(2, ": read which %d seq %d tail %s\n", scanned_content.which, scanned_content.seq,
scanned_content.tail);
H5Dclose(dset[which]);
}
if (caught_out_of_bounds)
fprintf(stderr, "caught out of bounds\n");
if (read_null)
fprintf(stderr, "read NULL\n");
if (H5Pclose(fapl) < 0)
errx(EXIT_FAILURE, "H5Pclose(fapl)");
if (H5Tclose(type) < 0)
errx(EXIT_FAILURE, "H5Tclose");
if (H5Sclose(space) < 0)
errx(EXIT_FAILURE, "H5Sclose");
if (H5Fclose(fid) < 0)
errx(EXIT_FAILURE, "H5Fclose");
if (sel == TEST_OOB)
return caught_out_of_bounds ? EXIT_SUCCESS : EXIT_FAILURE;
else if (sel == TEST_NULL)
return read_null ? EXIT_SUCCESS : EXIT_FAILURE;
return EXIT_SUCCESS;
}
#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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