diff options
Diffstat (limited to 'lib/iolog/regress/iolog_timing/check_iolog_timing.c')
| -rw-r--r-- | lib/iolog/regress/iolog_timing/check_iolog_timing.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/lib/iolog/regress/iolog_timing/check_iolog_timing.c b/lib/iolog/regress/iolog_timing/check_iolog_timing.c new file mode 100644 index 0000000..915b604 --- /dev/null +++ b/lib/iolog/regress/iolog_timing/check_iolog_timing.c @@ -0,0 +1,161 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include "sudo_compat.h" +#include "sudo_util.h" +#include "sudo_fatal.h" +#include "sudo_iolog.h" + +sudo_dso_public int main(int argc, char *argv[]); + +static struct parse_delay_test { + const char *input; + const char *next_field; + struct timespec expected_delay; +} parse_delay_tests[] = { + { "10.99999999999 X", "X", { 10, 999999999 } }, /* clamp to nsec */ + { "10.999999999 X", "X", { 10, 999999999 } }, /* nsec */ + { "10.999999 X", "X", { 10, 999999000 } }, /* usec -> nsec */ + { "10.000999999 X", "X", { 10, 999999 } }, + { "10.9 X", "X", { 10, 900000000 } }, + { "10.0 X", "X", { 10, 0 } } +}; + +/* + * Test iolog_parse_delay() + */ +static void +test_parse_delay(int *ntests, int *nerrors) +{ + unsigned int i; + + for (i = 0; i < nitems(parse_delay_tests); i++) { + struct timespec delay; + struct parse_delay_test *test = &parse_delay_tests[i]; + char *cp = iolog_parse_delay(test->input, &delay, "."); + if (cp == NULL) { + sudo_warnx("%s:%u failed to parse delay: %s", __func__, + i, test->input); + (*nerrors)++; + continue; + } + if (strcmp(cp, test->next_field) != 0) { + sudo_warnx("%s:%u next field (want \"%s\", got \"%s\"", __func__, + i, test->next_field, cp); + (*nerrors)++; + continue; + } + if (delay.tv_sec != test->expected_delay.tv_sec) { + sudo_warnx("%s:%u wrong seconds (want %lld, got %lld)", __func__, + i, (long long)test->expected_delay.tv_sec, + (long long)delay.tv_sec); + (*nerrors)++; + continue; + } + if (delay.tv_nsec != test->expected_delay.tv_nsec) { + sudo_warnx("%s:%u wrong nanoseconds (want %ld, got %ld)", __func__, + i, test->expected_delay.tv_nsec, delay.tv_nsec); + (*nerrors)++; + continue; + } + } + (*ntests) += i; +} + +static struct adjust_delay_test { + struct timespec in_delay; + struct timespec out_delay; + struct timespec max_delay; + double scale_factor; +} adjust_delay_tests[] = { + { { 10, 300 }, { 10, 300 }, { 0, 0 }, 1.0 }, + { { 10, 300 }, { 5, 150 }, { 0, 0 }, 2.0 }, + { { 5, 300 }, { 2, 500000150 }, { 0, 0 }, 2.0 }, + { { 0, 1000000 }, { 0, 333333 }, { 0, 0 }, 3 }, + { { 10, 1000000 }, { 3, 333666666 }, { 0, 0 }, 3 }, + { { 5, 150 }, { 10, 300 }, { 0, 0 }, 0.5 }, + { { 5, 500000000 }, { 11, 0 }, { 0, 0 }, 0.5 }, + { { 5, 150 }, { 5, 0 }, { 5, 0 }, 0.5 } +}; + +/* + * Test iolog_adjust_delay() + */ +static void +test_adjust_delay(int *ntests, int *nerrors) +{ + unsigned int i; + + for (i = 0; i < nitems(adjust_delay_tests); i++) { + struct adjust_delay_test *test = &adjust_delay_tests[i]; + + iolog_adjust_delay(&test->in_delay, + sudo_timespecisset(&test->max_delay) ? &test->max_delay : NULL, + test->scale_factor); + if (!sudo_timespeccmp(&test->in_delay, &test->out_delay, ==)) { + sudo_warnx("%s:%u want {%lld, %ld}, got {%lld, %ld}", __func__, i, + (long long)test->out_delay.tv_sec, test->out_delay.tv_nsec, + (long long)test->in_delay.tv_sec, test->in_delay.tv_nsec); + (*nerrors)++; + } + } + (*ntests) += i; +} + +int +main(int argc, char *argv[]) +{ + int ch, ntests = 0, errors = 0; + + initprogname(argc > 0 ? argv[0] : "check_iolog_timing"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + test_parse_delay(&ntests, &errors); + + test_adjust_delay(&ntests, &errors); + + if (ntests != 0) { + printf("iolog_timing: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} |