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-rw-r--r--src/journal/test-journal-interleaving.c297
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diff --git a/src/journal/test-journal-interleaving.c b/src/journal/test-journal-interleaving.c
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--- a/src/journal/test-journal-interleaving.c
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-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Marius Vollmer
- Copyright 2013 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "systemd/sd-journal.h"
-
-#include "journal-file.h"
-#include "journal-vacuum.h"
-#include "util.h"
-#include "log.h"
-
-/* This program tests skipping around in a multi-file journal.
- */
-
-static bool arg_keep = false;
-
-noreturn static void log_assert_errno(const char *text, int eno, const char *file, int line, const char *func) {
- log_internal(LOG_CRIT, 0, file, line, func,
- "'%s' failed at %s:%u (%s): %s.",
- text, file, line, func, strerror(eno));
- abort();
-}
-
-#define assert_ret(expr) \
- do { \
- int _r_ = (expr); \
- if (_unlikely_(_r_ < 0)) \
- log_assert_errno(#expr, -_r_, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
- } while (false)
-
-static JournalFile *test_open(const char *name) {
- JournalFile *f;
- assert_ret(journal_file_open(name, O_RDWR|O_CREAT, 0644, true, false, NULL, NULL, NULL, &f));
- return f;
-}
-
-static void test_close(JournalFile *f) {
- journal_file_close (f);
-}
-
-static void append_number(JournalFile *f, int n, uint64_t *seqnum) {
- char *p;
- dual_timestamp ts;
- struct iovec iovec[1];
-
- dual_timestamp_get(&ts);
-
- assert_se(asprintf(&p, "NUMBER=%d", n) >= 0);
- iovec[0].iov_base = p;
- iovec[0].iov_len = strlen(p);
- assert_ret(journal_file_append_entry(f, &ts, iovec, 1, seqnum, NULL, NULL));
- free(p);
-}
-
-static void test_check_number (sd_journal *j, int n) {
- const void *d;
- _cleanup_free_ char *k;
- size_t l;
- int x;
-
- assert_ret(sd_journal_get_data(j, "NUMBER", &d, &l));
- assert_se(k = strndup(d, l));
- printf("%s\n", k);
-
- assert_se(safe_atoi(k + 7, &x) >= 0);
- assert_se(n == x);
-}
-
-static void test_check_numbers_down (sd_journal *j, int count) {
- int i;
-
- for (i = 1; i <= count; i++) {
- int r;
- test_check_number(j, i);
- assert_ret(r = sd_journal_next(j));
- if (i == count)
- assert_se(r == 0);
- else
- assert_se(r == 1);
- }
-
-}
-
-static void test_check_numbers_up (sd_journal *j, int count) {
- for (int i = count; i >= 1; i--) {
- int r;
- test_check_number(j, i);
- assert_ret(r = sd_journal_previous(j));
- if (i == 1)
- assert_se(r == 0);
- else
- assert_se(r == 1);
- }
-
-}
-
-static void setup_sequential(void) {
- JournalFile *one, *two;
- one = test_open("one.journal");
- two = test_open("two.journal");
- append_number(one, 1, NULL);
- append_number(one, 2, NULL);
- append_number(two, 3, NULL);
- append_number(two, 4, NULL);
- test_close(one);
- test_close(two);
-}
-
-static void setup_interleaved(void) {
- JournalFile *one, *two;
- one = test_open("one.journal");
- two = test_open("two.journal");
- append_number(one, 1, NULL);
- append_number(two, 2, NULL);
- append_number(one, 3, NULL);
- append_number(two, 4, NULL);
- test_close(one);
- test_close(two);
-}
-
-static void test_skip(void (*setup)(void)) {
- char t[] = "/tmp/journal-skip-XXXXXX";
- sd_journal *j;
- int r;
-
- assert_se(mkdtemp(t));
- assert_se(chdir(t) >= 0);
-
- setup();
-
- /* Seek to head, iterate down.
- */
- assert_ret(sd_journal_open_directory(&j, t, 0));
- assert_ret(sd_journal_seek_head(j));
- assert_ret(sd_journal_next(j));
- test_check_numbers_down(j, 4);
- sd_journal_close(j);
-
- /* Seek to tail, iterate up.
- */
- assert_ret(sd_journal_open_directory(&j, t, 0));
- assert_ret(sd_journal_seek_tail(j));
- assert_ret(sd_journal_previous(j));
- test_check_numbers_up(j, 4);
- sd_journal_close(j);
-
- /* Seek to tail, skip to head, iterate down.
- */
- assert_ret(sd_journal_open_directory(&j, t, 0));
- assert_ret(sd_journal_seek_tail(j));
- assert_ret(r = sd_journal_previous_skip(j, 4));
- assert_se(r == 4);
- test_check_numbers_down(j, 4);
- sd_journal_close(j);
-
- /* Seek to head, skip to tail, iterate up.
- */
- assert_ret(sd_journal_open_directory(&j, t, 0));
- assert_ret(sd_journal_seek_head(j));
- assert_ret(r = sd_journal_next_skip(j, 4));
- assert_se(r == 4);
- test_check_numbers_up(j, 4);
- sd_journal_close(j);
-
- log_info("Done...");
-
- if (arg_keep)
- log_info("Not removing %s", t);
- else {
- journal_directory_vacuum(".", 3000000, 0, NULL, true);
-
- assert_se(rm_rf_dangerous(t, false, true, false) >= 0);
- }
-
- puts("------------------------------------------------------------");
-}
-
-static void test_sequence_numbers(void) {
-
- char t[] = "/tmp/journal-seq-XXXXXX";
- JournalFile *one, *two;
- uint64_t seqnum = 0;
- sd_id128_t seqnum_id;
-
- assert_se(mkdtemp(t));
- assert_se(chdir(t) >= 0);
-
- assert_se(journal_file_open("one.journal", O_RDWR|O_CREAT, 0644,
- true, false, NULL, NULL, NULL, &one) == 0);
-
- append_number(one, 1, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 1);
- append_number(one, 2, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 2);
-
- assert_se(one->header->state == STATE_ONLINE);
- assert_se(!sd_id128_equal(one->header->file_id, one->header->machine_id));
- assert_se(!sd_id128_equal(one->header->file_id, one->header->boot_id));
- assert_se(sd_id128_equal(one->header->file_id, one->header->seqnum_id));
-
- memcpy(&seqnum_id, &one->header->seqnum_id, sizeof(sd_id128_t));
-
- assert_se(journal_file_open("two.journal", O_RDWR|O_CREAT, 0644,
- true, false, NULL, NULL, one, &two) == 0);
-
- assert_se(two->header->state == STATE_ONLINE);
- assert_se(!sd_id128_equal(two->header->file_id, one->header->file_id));
- assert_se(sd_id128_equal(one->header->machine_id, one->header->machine_id));
- assert_se(sd_id128_equal(one->header->boot_id, one->header->boot_id));
- assert_se(sd_id128_equal(one->header->seqnum_id, one->header->seqnum_id));
-
- append_number(two, 3, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 3);
- append_number(two, 4, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 4);
-
- test_close(two);
-
- append_number(one, 5, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 5);
-
- append_number(one, 6, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 6);
-
- test_close(one);
-
- /* restart server */
- seqnum = 0;
-
- assert_se(journal_file_open("two.journal", O_RDWR, 0,
- true, false, NULL, NULL, NULL, &two) == 0);
-
- assert_se(sd_id128_equal(two->header->seqnum_id, seqnum_id));
-
- append_number(two, 7, &seqnum);
- printf("seqnum=%"PRIu64"\n", seqnum);
- assert_se(seqnum == 5);
-
- /* So..., here we have the same seqnum in two files with the
- * same seqnum_id. */
-
- test_close(two);
-
- log_info("Done...");
-
- if (arg_keep)
- log_info("Not removing %s", t);
- else {
- journal_directory_vacuum(".", 3000000, 0, NULL, true);
-
- assert_se(rm_rf_dangerous(t, false, true, false) >= 0);
- }
-}
-
-int main(int argc, char *argv[]) {
- log_set_max_level(LOG_DEBUG);
-
- /* journal_file_open requires a valid machine id */
- if (access("/etc/machine-id", F_OK) != 0)
- return EXIT_TEST_SKIP;
-
- arg_keep = argc > 1;
-
- test_skip(setup_sequential);
- test_skip(setup_interleaved);
-
- test_sequence_numbers();
-
- return 0;
-}
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