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-rw-r--r--src/libsystemd/sd-journal/test-journal-interleaving.c737
1 files changed, 737 insertions, 0 deletions
diff --git a/src/libsystemd/sd-journal/test-journal-interleaving.c b/src/libsystemd/sd-journal/test-journal-interleaving.c
new file mode 100644
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+++ b/src/libsystemd/sd-journal/test-journal-interleaving.c
@@ -0,0 +1,737 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "sd-id128.h"
+#include "sd-journal.h"
+
+#include "alloc-util.h"
+#include "chattr-util.h"
+#include "iovec-util.h"
+#include "journal-file-util.h"
+#include "journal-vacuum.h"
+#include "log.h"
+#include "logs-show.h"
+#include "parse-util.h"
+#include "random-util.h"
+#include "rm-rf.h"
+#include "tests.h"
+
+/* This program tests skipping around in a multi-file journal. */
+
+static bool arg_keep = false;
+static dual_timestamp previous_ts = {};
+
+_noreturn_ static void log_assert_errno(const char *text, int error, const char *file, unsigned line, const char *func) {
+ log_internal(LOG_CRIT, error, file, line, func,
+ "'%s' failed at %s:%u (%s): %m", text, file, line, func);
+ abort();
+}
+
+#define assert_ret(expr) \
+ do { \
+ int _r_ = (expr); \
+ if (_unlikely_(_r_ < 0)) \
+ log_assert_errno(#expr, -_r_, PROJECT_FILE, __LINE__, __func__); \
+ } while (false)
+
+static JournalFile *test_open_internal(const char *name, JournalFileFlags flags) {
+ _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+ JournalFile *f;
+
+ m = mmap_cache_new();
+ assert_se(m != NULL);
+
+ assert_ret(journal_file_open(-1, name, O_RDWR|O_CREAT, flags, 0644, UINT64_MAX, NULL, m, NULL, &f));
+ return f;
+}
+
+static JournalFile *test_open(const char *name) {
+ return test_open_internal(name, JOURNAL_COMPRESS);
+}
+
+static JournalFile *test_open_strict(const char *name) {
+ return test_open_internal(name, JOURNAL_COMPRESS | JOURNAL_STRICT_ORDER);
+}
+
+static void test_close(JournalFile *f) {
+ (void) journal_file_offline_close(f);
+}
+
+static void test_done(const char *t) {
+ log_info("Done...");
+
+ if (arg_keep)
+ log_info("Not removing %s", t);
+ else {
+ journal_directory_vacuum(".", 3000000, 0, 0, NULL, true);
+
+ assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+ }
+
+ log_info("------------------------------------------------------------");
+}
+
+static void append_number(JournalFile *f, int n, const sd_id128_t *boot_id, uint64_t *seqnum, uint64_t *ret_offset) {
+ _cleanup_free_ char *p = NULL, *q = NULL;
+ dual_timestamp ts;
+ struct iovec iovec[2];
+ size_t n_iov = 0;
+
+ dual_timestamp_now(&ts);
+
+ if (ts.monotonic <= previous_ts.monotonic)
+ ts.monotonic = previous_ts.monotonic + 1;
+
+ if (ts.realtime <= previous_ts.realtime)
+ ts.realtime = previous_ts.realtime + 1;
+
+ previous_ts = ts;
+
+ assert_se(asprintf(&p, "NUMBER=%d", n) >= 0);
+ iovec[n_iov++] = IOVEC_MAKE_STRING(p);
+
+ if (boot_id) {
+ assert_se(q = strjoin("_BOOT_ID=", SD_ID128_TO_STRING(*boot_id)));
+ iovec[n_iov++] = IOVEC_MAKE_STRING(q);
+ }
+
+ assert_ret(journal_file_append_entry(f, &ts, boot_id, iovec, n_iov, seqnum, NULL, NULL, ret_offset));
+}
+
+static void append_unreferenced_data(JournalFile *f, const sd_id128_t *boot_id) {
+ _cleanup_free_ char *q = NULL;
+ dual_timestamp ts;
+ struct iovec iovec;
+
+ assert(boot_id);
+
+ ts.monotonic = usec_sub_unsigned(previous_ts.monotonic, 10);
+ ts.realtime = usec_sub_unsigned(previous_ts.realtime, 10);
+
+ assert_se(q = strjoin("_BOOT_ID=", SD_ID128_TO_STRING(*boot_id)));
+ iovec = IOVEC_MAKE_STRING(q);
+
+ assert_se(journal_file_append_entry(f, &ts, boot_id, &iovec, 1, NULL, NULL, NULL, NULL) == -EREMCHG);
+}
+
+static void test_check_number(sd_journal *j, int n) {
+ sd_id128_t boot_id;
+ const void *d;
+ _cleanup_free_ char *k = NULL;
+ size_t l;
+ int x;
+
+ assert_se(sd_journal_get_monotonic_usec(j, NULL, &boot_id) >= 0);
+ assert_ret(sd_journal_get_data(j, "NUMBER", &d, &l));
+ assert_se(k = strndup(d, l));
+ printf("%s %s (expected=%i)\n", SD_ID128_TO_STRING(boot_id), k, n);
+
+ assert_se(safe_atoi(k + STRLEN("NUMBER="), &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 *f1, *f2, *f3;
+ sd_id128_t id;
+
+ f1 = test_open("one.journal");
+ f2 = test_open("two.journal");
+ f3 = test_open("three.journal");
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_number(f1, 1, &id, NULL, NULL);
+ append_number(f1, 2, &id, NULL, NULL);
+ append_number(f1, 3, &id, NULL, NULL);
+ append_number(f2, 4, &id, NULL, NULL);
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_number(f2, 5, &id, NULL, NULL);
+ append_number(f2, 6, &id, NULL, NULL);
+ append_number(f3, 7, &id, NULL, NULL);
+ append_number(f3, 8, &id, NULL, NULL);
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_number(f3, 9, &id, NULL, NULL);
+ test_close(f1);
+ test_close(f2);
+ test_close(f3);
+}
+
+static void setup_interleaved(void) {
+ JournalFile *f1, *f2, *f3;
+ sd_id128_t id;
+
+ f1 = test_open("one.journal");
+ f2 = test_open("two.journal");
+ f3 = test_open("three.journal");
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_number(f1, 1, &id, NULL, NULL);
+ append_number(f2, 2, &id, NULL, NULL);
+ append_number(f3, 3, &id, NULL, NULL);
+ append_number(f1, 4, &id, NULL, NULL);
+ append_number(f2, 5, &id, NULL, NULL);
+ append_number(f3, 6, &id, NULL, NULL);
+ append_number(f1, 7, &id, NULL, NULL);
+ append_number(f2, 8, &id, NULL, NULL);
+ append_number(f3, 9, &id, NULL, NULL);
+ test_close(f1);
+ test_close(f2);
+ test_close(f3);
+}
+
+static void setup_unreferenced_data(void) {
+ JournalFile *f1, *f2, *f3;
+ sd_id128_t id;
+
+ /* For issue #29275. */
+
+ f1 = test_open_strict("one.journal");
+ f2 = test_open_strict("two.journal");
+ f3 = test_open_strict("three.journal");
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_number(f1, 1, &id, NULL, NULL);
+ append_number(f1, 2, &id, NULL, NULL);
+ append_number(f1, 3, &id, NULL, NULL);
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_unreferenced_data(f1, &id);
+ append_number(f2, 4, &id, NULL, NULL);
+ append_number(f2, 5, &id, NULL, NULL);
+ append_number(f2, 6, &id, NULL, NULL);
+ assert_se(sd_id128_randomize(&id) >= 0);
+ log_info("boot_id: %s", SD_ID128_TO_STRING(id));
+ append_unreferenced_data(f2, &id);
+ append_number(f3, 7, &id, NULL, NULL);
+ append_number(f3, 8, &id, NULL, NULL);
+ append_number(f3, 9, &id, NULL, NULL);
+ test_close(f1);
+ test_close(f2);
+ test_close(f3);
+}
+
+static void mkdtemp_chdir_chattr(char *path) {
+ assert_se(mkdtemp(path));
+ assert_se(chdir(path) >= 0);
+
+ /* Speed up things a bit on btrfs, ensuring that CoW is turned off for all files created in our
+ * directory during the test run */
+ (void) chattr_path(path, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
+}
+
+static void test_skip_one(void (*setup)(void)) {
+ char t[] = "/var/tmp/journal-skip-XXXXXX";
+ sd_journal *j;
+ int r;
+
+ mkdtemp_chdir_chattr(t);
+
+ setup();
+
+ /* Seek to head, iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ test_check_numbers_down(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to head, iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ test_check_numbers_down(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to head twice, iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ test_check_numbers_down(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to head, move to previous, then iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ test_check_numbers_down(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to head, walk several steps, then iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ assert_se(sd_journal_next(j) == 1); /* pointing to the first entry */
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ assert_se(sd_journal_previous(j) == 0); /* no-op */
+ test_check_numbers_down(j, 9);
+ 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_se(sd_journal_previous(j) == 1); /* pointing to the last entry */
+ test_check_numbers_up(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to tail twice, iterate up. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_tail(j));
+ assert_se(sd_journal_previous(j) == 1); /* pointing to the last entry */
+ assert_ret(sd_journal_seek_tail(j));
+ assert_se(sd_journal_previous(j) == 1); /* pointing to the last entry */
+ test_check_numbers_up(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to tail, move to next, then iterate up. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_tail(j));
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ assert_se(sd_journal_previous(j) == 1); /* pointing to the last entry */
+ test_check_numbers_up(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to tail, walk several steps, then iterate up. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_tail(j));
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ assert_se(sd_journal_previous(j) == 1); /* pointing to the last entry. */
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ assert_se(sd_journal_next(j) == 0); /* no-op */
+ test_check_numbers_up(j, 9);
+ 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_se(sd_journal_previous_skip(j, 9) == 9); /* pointing to the first entry. */
+ test_check_numbers_down(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to tail, skip to head in a more complex way, then iterate down. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_tail(j));
+ assert_se(sd_journal_next(j) == 0);
+ assert_se(sd_journal_previous_skip(j, 4) == 4);
+ assert_se(sd_journal_previous_skip(j, 5) == 5);
+ assert_se(sd_journal_previous(j) == 0);
+ assert_se(sd_journal_previous_skip(j, 5) == 0);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_previous_skip(j, 5) == 1);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_previous_skip(j, 5) == 3);
+ test_check_numbers_down(j, 9);
+ 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_se(sd_journal_next_skip(j, 9) == 9);
+ test_check_numbers_up(j, 9);
+ sd_journal_close(j);
+
+ /* Seek to head, skip to tail in a more complex way, then iterate up. */
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_ret(sd_journal_seek_head(j));
+ assert_se(sd_journal_previous(j) == 0);
+ assert_se(sd_journal_next_skip(j, 4) == 4);
+ assert_se(sd_journal_next_skip(j, 5) == 5);
+ assert_se(sd_journal_next(j) == 0);
+ assert_se(sd_journal_next_skip(j, 5) == 0);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(sd_journal_next_skip(j, 5) == 1);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(sd_journal_next(j) == 1);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(sd_journal_previous(j) == 1);
+ assert_se(r = sd_journal_next_skip(j, 5) == 3);
+ test_check_numbers_up(j, 9);
+ sd_journal_close(j);
+
+ test_done(t);
+}
+
+TEST(skip) {
+ test_skip_one(setup_sequential);
+ test_skip_one(setup_interleaved);
+}
+
+static void test_boot_id_one(void (*setup)(void), size_t n_boots_expected) {
+ char t[] = "/var/tmp/journal-boot-id-XXXXXX";
+ sd_journal *j;
+ _cleanup_free_ BootId *boots = NULL;
+ size_t n_boots;
+
+ mkdtemp_chdir_chattr(t);
+
+ setup();
+
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_se(journal_get_boots(j, &boots, &n_boots) >= 0);
+ assert_se(boots);
+ assert_se(n_boots == n_boots_expected);
+ sd_journal_close(j);
+
+ FOREACH_ARRAY(b, boots, n_boots) {
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_se(journal_find_boot_by_id(j, b->id) == 1);
+ sd_journal_close(j);
+ }
+
+ for (int i = - (int) n_boots + 1; i <= (int) n_boots; i++) {
+ sd_id128_t id;
+
+ assert_ret(sd_journal_open_directory(&j, t, 0));
+ assert_se(journal_find_boot_by_offset(j, i, &id) == 1);
+ if (i <= 0)
+ assert_se(sd_id128_equal(id, boots[n_boots + i - 1].id));
+ else
+ assert_se(sd_id128_equal(id, boots[i - 1].id));
+ sd_journal_close(j);
+ }
+
+ test_done(t);
+}
+
+TEST(boot_id) {
+ test_boot_id_one(setup_sequential, 3);
+ test_boot_id_one(setup_unreferenced_data, 3);
+}
+
+static void test_sequence_numbers_one(void) {
+ _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+ char t[] = "/var/tmp/journal-seq-XXXXXX";
+ JournalFile *one, *two;
+ uint64_t seqnum = 0;
+ sd_id128_t seqnum_id;
+
+ m = mmap_cache_new();
+ assert_se(m != NULL);
+
+ mkdtemp_chdir_chattr(t);
+
+ assert_se(journal_file_open(-1, "one.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS, 0644,
+ UINT64_MAX, NULL, m, NULL, &one) == 0);
+
+ append_number(one, 1, NULL, &seqnum, NULL);
+ printf("seqnum=%"PRIu64"\n", seqnum);
+ assert_se(seqnum == 1);
+ append_number(one, 2, NULL, &seqnum, NULL);
+ 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->tail_entry_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(-1, "two.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS, 0644,
+ UINT64_MAX, NULL, m, 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(two->header->machine_id, one->header->machine_id));
+ assert_se(sd_id128_is_null(two->header->tail_entry_boot_id)); /* Not written yet. */
+ assert_se(sd_id128_equal(two->header->seqnum_id, one->header->seqnum_id));
+
+ append_number(two, 3, NULL, &seqnum, NULL);
+ printf("seqnum=%"PRIu64"\n", seqnum);
+ assert_se(seqnum == 3);
+ append_number(two, 4, NULL, &seqnum, NULL);
+ printf("seqnum=%"PRIu64"\n", seqnum);
+ assert_se(seqnum == 4);
+
+ /* Verify tail_entry_boot_id. */
+ assert_se(sd_id128_equal(two->header->tail_entry_boot_id, one->header->tail_entry_boot_id));
+
+ test_close(two);
+
+ append_number(one, 5, NULL, &seqnum, NULL);
+ printf("seqnum=%"PRIu64"\n", seqnum);
+ assert_se(seqnum == 5);
+
+ append_number(one, 6, NULL, &seqnum, NULL);
+ printf("seqnum=%"PRIu64"\n", seqnum);
+ assert_se(seqnum == 6);
+
+ test_close(one);
+
+ /* If the machine-id is not initialized, the header file verification
+ * (which happens when re-opening a journal file) will fail. */
+ if (sd_id128_get_machine(NULL) >= 0) {
+ /* restart server */
+ seqnum = 0;
+
+ assert_se(journal_file_open(-1, "two.journal", O_RDWR, JOURNAL_COMPRESS, 0,
+ UINT64_MAX, NULL, m, NULL, &two) == 0);
+
+ assert_se(sd_id128_equal(two->header->seqnum_id, seqnum_id));
+
+ append_number(two, 7, NULL, &seqnum, NULL);
+ 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);
+ }
+
+ test_done(t);
+}
+
+TEST(sequence_numbers) {
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
+ test_sequence_numbers_one();
+
+ assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
+ test_sequence_numbers_one();
+}
+
+static int expected_result(uint64_t needle, const uint64_t *candidates, const uint64_t *offset, size_t n, direction_t direction, uint64_t *ret) {
+ switch (direction) {
+ case DIRECTION_DOWN:
+ for (size_t i = 0; i < n; i++) {
+ if (candidates[i] == 0) {
+ *ret = 0;
+ return 0;
+ }
+ if (needle <= candidates[i]) {
+ *ret = offset[i];
+ return 1;
+ }
+ }
+ *ret = 0;
+ return 0;
+
+ case DIRECTION_UP:
+ for (size_t i = 0; i < n; i++)
+ if (needle < candidates[i] || candidates[i] == 0) {
+ if (i == 0) {
+ *ret = 0;
+ return 0;
+ }
+ *ret = offset[i - 1];
+ return 1;
+ }
+ *ret = offset[n - 1];
+ return 1;
+
+ default:
+ assert_not_reached();
+ }
+}
+
+static void verify(JournalFile *f, const uint64_t *seqnum, const uint64_t *offset, size_t n) {
+ uint64_t p, q;
+ int r, e;
+
+ /* by seqnum (sequential) */
+ for (uint64_t i = 0; i < n + 2; i++) {
+ p = 0;
+ r = journal_file_move_to_entry_by_seqnum(f, i, DIRECTION_DOWN, NULL, &p);
+ e = expected_result(i, seqnum, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_seqnum(f, i, DIRECTION_UP, NULL, &p);
+ e = expected_result(i, seqnum, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+
+ /* by seqnum (random) */
+ for (size_t trial = 0; trial < 3 * n; trial++) {
+ uint64_t i = random_u64_range(n + 2);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_seqnum(f, i, DIRECTION_DOWN, NULL, &p);
+ e = expected_result(i, seqnum, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+ for (size_t trial = 0; trial < 3 * n; trial++) {
+ uint64_t i = random_u64_range(n + 2);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_seqnum(f, i, DIRECTION_UP, NULL, &p);
+ e = expected_result(i, seqnum, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+
+ /* by offset (sequential) */
+ for (size_t i = 0; i < n; i++) {
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i] - 1, DIRECTION_DOWN, NULL, &p);
+ e = expected_result(offset[i] - 1, offset, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i], DIRECTION_DOWN, NULL, &p);
+ e = expected_result(offset[i], offset, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i] + 1, DIRECTION_DOWN, NULL, &p);
+ e = expected_result(offset[i] + 1, offset, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i] - 1, DIRECTION_UP, NULL, &p);
+ e = expected_result(offset[i] - 1, offset, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i], DIRECTION_UP, NULL, &p);
+ e = expected_result(offset[i], offset, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, offset[i] + 1, DIRECTION_UP, NULL, &p);
+ e = expected_result(offset[i] + 1, offset, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+
+ /* by offset (random) */
+ for (size_t trial = 0; trial < 3 * n; trial++) {
+ uint64_t i = offset[0] - 1 + random_u64_range(offset[n-1] - offset[0] + 2);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, i, DIRECTION_DOWN, NULL, &p);
+ e = expected_result(i, offset, offset, n, DIRECTION_DOWN, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+ for (size_t trial = 0; trial < 3 * n; trial++) {
+ uint64_t i = offset[0] - 1 + random_u64_range(offset[n-1] - offset[0] + 2);
+
+ p = 0;
+ r = journal_file_move_to_entry_by_offset(f, i, DIRECTION_UP, NULL, &p);
+ e = expected_result(i, offset, offset, n, DIRECTION_UP, &q);
+ assert_se(r == e);
+ assert_se(p == q);
+ }
+}
+
+static void test_generic_array_bisect_one(size_t n, size_t num_corrupted) {
+ _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+ char t[] = "/var/tmp/journal-seq-XXXXXX";
+ _cleanup_free_ uint64_t *seqnum = NULL, *offset = NULL;
+ JournalFile *f;
+
+ log_info("/* %s(%zu, %zu) */", __func__, n, num_corrupted);
+
+ assert_se(m = mmap_cache_new());
+
+ mkdtemp_chdir_chattr(t);
+
+ assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, JOURNAL_COMPRESS, 0644,
+ UINT64_MAX, NULL, m, NULL, &f) == 0);
+
+ assert_se(seqnum = new0(uint64_t, n));
+ assert_se(offset = new0(uint64_t, n));
+
+ for (size_t i = 0; i < n; i++) {
+ append_number(f, i, NULL, seqnum + i, offset + i);
+ if (i == 0) {
+ assert_se(seqnum[i] > 0);
+ assert_se(offset[i] > 0);
+ } else {
+ assert_se(seqnum[i] > seqnum[i-1]);
+ assert_se(offset[i] > offset[i-1]);
+ }
+ }
+
+ verify(f, seqnum, offset, n);
+
+ /* Reset chain cache. */
+ assert_se(journal_file_move_to_entry_by_offset(f, offset[0], DIRECTION_DOWN, NULL, NULL) > 0);
+
+ /* make journal corrupted by clearing seqnum. */
+ for (size_t i = n - num_corrupted; i < n; i++) {
+ Object *o;
+
+ assert_se(journal_file_move_to_object(f, OBJECT_ENTRY, offset[i], &o) >= 0);
+ assert_se(o);
+ o->entry.seqnum = 0;
+ seqnum[i] = 0;
+ }
+
+ verify(f, seqnum, offset, n);
+
+ test_close(f);
+ test_done(t);
+}
+
+TEST(generic_array_bisect) {
+ for (size_t n = 1; n < 10; n++)
+ for (size_t m = 1; m <= n; m++)
+ test_generic_array_bisect_one(n, m);
+
+ test_generic_array_bisect_one(100, 40);
+}
+
+static int intro(void) {
+ /* journal_file_open() requires a valid machine id */
+ if (access("/etc/machine-id", F_OK) != 0)
+ return log_tests_skipped("/etc/machine-id not found");
+
+ arg_keep = saved_argc > 1;
+
+ return EXIT_SUCCESS;
+}
+
+DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 20:15:54 +0000