1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
6 #include "sd-journal.h"
8 #include "alloc-util.h"
9 #include "chattr-util.h"
11 #include "journal-file.h"
12 #include "journal-vacuum.h"
14 #include "parse-util.h"
19 /* This program tests skipping around in a multi-file journal. */
21 static bool arg_keep
= false;
23 _noreturn_
static void log_assert_errno(const char *text
, int error
, const char *file
, int line
, const char *func
) {
24 log_internal(LOG_CRIT
, error
, file
, line
, func
,
25 "'%s' failed at %s:%u (%s): %m", text
, file
, line
, func
);
29 #define assert_ret(expr) \
32 if (_unlikely_(_r_ < 0)) \
33 log_assert_errno(#expr, -_r_, PROJECT_FILE, __LINE__, __PRETTY_FUNCTION__); \
36 static JournalFile
*test_open(const char *name
) {
38 assert_ret(journal_file_open(-1, name
, O_RDWR
|O_CREAT
, 0644, true, UINT64_MAX
, false, NULL
, NULL
, NULL
, NULL
, &f
));
42 static void test_close(JournalFile
*f
) {
43 (void) journal_file_close (f
);
46 static void append_number(JournalFile
*f
, int n
, uint64_t *seqnum
) {
49 static dual_timestamp previous_ts
= {};
50 struct iovec iovec
[1];
52 dual_timestamp_get(&ts
);
54 if (ts
.monotonic
<= previous_ts
.monotonic
)
55 ts
.monotonic
= previous_ts
.monotonic
+ 1;
57 if (ts
.realtime
<= previous_ts
.realtime
)
58 ts
.realtime
= previous_ts
.realtime
+ 1;
62 assert_se(asprintf(&p
, "NUMBER=%d", n
) >= 0);
63 iovec
[0] = IOVEC_MAKE_STRING(p
);
64 assert_ret(journal_file_append_entry(f
, &ts
, NULL
, iovec
, 1, seqnum
, NULL
, NULL
));
68 static void test_check_number (sd_journal
*j
, int n
) {
70 _cleanup_free_
char *k
;
74 assert_ret(sd_journal_get_data(j
, "NUMBER", &d
, &l
));
75 assert_se(k
= strndup(d
, l
));
78 assert_se(safe_atoi(k
+ 7, &x
) >= 0);
82 static void test_check_numbers_down (sd_journal
*j
, int count
) {
85 for (i
= 1; i
<= count
; i
++) {
87 test_check_number(j
, i
);
88 assert_ret(r
= sd_journal_next(j
));
97 static void test_check_numbers_up (sd_journal
*j
, int count
) {
98 for (int i
= count
; i
>= 1; i
--) {
100 test_check_number(j
, i
);
101 assert_ret(r
= sd_journal_previous(j
));
110 static void setup_sequential(void) {
111 JournalFile
*one
, *two
;
112 one
= test_open("one.journal");
113 two
= test_open("two.journal");
114 append_number(one
, 1, NULL
);
115 append_number(one
, 2, NULL
);
116 append_number(two
, 3, NULL
);
117 append_number(two
, 4, NULL
);
122 static void setup_interleaved(void) {
123 JournalFile
*one
, *two
;
124 one
= test_open("one.journal");
125 two
= test_open("two.journal");
126 append_number(one
, 1, NULL
);
127 append_number(two
, 2, NULL
);
128 append_number(one
, 3, NULL
);
129 append_number(two
, 4, NULL
);
134 static void mkdtemp_chdir_chattr(char *path
) {
135 assert_se(mkdtemp(path
));
136 assert_se(chdir(path
) >= 0);
138 /* Speed up things a bit on btrfs, ensuring that CoW is turned off for all files created in our
139 * directory during the test run */
140 (void) chattr_path(path
, FS_NOCOW_FL
, FS_NOCOW_FL
, NULL
);
143 static void test_skip(void (*setup
)(void)) {
144 char t
[] = "/var/tmp/journal-skip-XXXXXX";
148 mkdtemp_chdir_chattr(t
);
152 /* Seek to head, iterate down.
154 assert_ret(sd_journal_open_directory(&j
, t
, 0));
155 assert_ret(sd_journal_seek_head(j
));
156 assert_ret(sd_journal_next(j
));
157 test_check_numbers_down(j
, 4);
160 /* Seek to tail, iterate up.
162 assert_ret(sd_journal_open_directory(&j
, t
, 0));
163 assert_ret(sd_journal_seek_tail(j
));
164 assert_ret(sd_journal_previous(j
));
165 test_check_numbers_up(j
, 4);
168 /* Seek to tail, skip to head, iterate down.
170 assert_ret(sd_journal_open_directory(&j
, t
, 0));
171 assert_ret(sd_journal_seek_tail(j
));
172 assert_ret(r
= sd_journal_previous_skip(j
, 4));
174 test_check_numbers_down(j
, 4);
177 /* Seek to head, skip to tail, iterate up.
179 assert_ret(sd_journal_open_directory(&j
, t
, 0));
180 assert_ret(sd_journal_seek_head(j
));
181 assert_ret(r
= sd_journal_next_skip(j
, 4));
183 test_check_numbers_up(j
, 4);
189 log_info("Not removing %s", t
);
191 journal_directory_vacuum(".", 3000000, 0, 0, NULL
, true);
193 assert_se(rm_rf(t
, REMOVE_ROOT
|REMOVE_PHYSICAL
) >= 0);
196 puts("------------------------------------------------------------");
199 static void test_sequence_numbers(void) {
201 char t
[] = "/var/tmp/journal-seq-XXXXXX";
202 JournalFile
*one
, *two
;
204 sd_id128_t seqnum_id
;
206 mkdtemp_chdir_chattr(t
);
208 assert_se(journal_file_open(-1, "one.journal", O_RDWR
|O_CREAT
, 0644,
209 true, UINT64_MAX
, false, NULL
, NULL
, NULL
, NULL
, &one
) == 0);
211 append_number(one
, 1, &seqnum
);
212 printf("seqnum=%"PRIu64
"\n", seqnum
);
213 assert_se(seqnum
== 1);
214 append_number(one
, 2, &seqnum
);
215 printf("seqnum=%"PRIu64
"\n", seqnum
);
216 assert_se(seqnum
== 2);
218 assert_se(one
->header
->state
== STATE_ONLINE
);
219 assert_se(!sd_id128_equal(one
->header
->file_id
, one
->header
->machine_id
));
220 assert_se(!sd_id128_equal(one
->header
->file_id
, one
->header
->boot_id
));
221 assert_se(sd_id128_equal(one
->header
->file_id
, one
->header
->seqnum_id
));
223 memcpy(&seqnum_id
, &one
->header
->seqnum_id
, sizeof(sd_id128_t
));
225 assert_se(journal_file_open(-1, "two.journal", O_RDWR
|O_CREAT
, 0644,
226 true, UINT64_MAX
, false, NULL
, NULL
, NULL
, one
, &two
) == 0);
228 assert_se(two
->header
->state
== STATE_ONLINE
);
229 assert_se(!sd_id128_equal(two
->header
->file_id
, one
->header
->file_id
));
230 assert_se(sd_id128_equal(one
->header
->machine_id
, one
->header
->machine_id
));
231 assert_se(sd_id128_equal(one
->header
->boot_id
, one
->header
->boot_id
));
232 assert_se(sd_id128_equal(one
->header
->seqnum_id
, one
->header
->seqnum_id
));
234 append_number(two
, 3, &seqnum
);
235 printf("seqnum=%"PRIu64
"\n", seqnum
);
236 assert_se(seqnum
== 3);
237 append_number(two
, 4, &seqnum
);
238 printf("seqnum=%"PRIu64
"\n", seqnum
);
239 assert_se(seqnum
== 4);
243 append_number(one
, 5, &seqnum
);
244 printf("seqnum=%"PRIu64
"\n", seqnum
);
245 assert_se(seqnum
== 5);
247 append_number(one
, 6, &seqnum
);
248 printf("seqnum=%"PRIu64
"\n", seqnum
);
249 assert_se(seqnum
== 6);
256 assert_se(journal_file_open(-1, "two.journal", O_RDWR
, 0,
257 true, UINT64_MAX
, false, NULL
, NULL
, NULL
, NULL
, &two
) == 0);
259 assert_se(sd_id128_equal(two
->header
->seqnum_id
, seqnum_id
));
261 append_number(two
, 7, &seqnum
);
262 printf("seqnum=%"PRIu64
"\n", seqnum
);
263 assert_se(seqnum
== 5);
265 /* So..., here we have the same seqnum in two files with the
273 log_info("Not removing %s", t
);
275 journal_directory_vacuum(".", 3000000, 0, 0, NULL
, true);
277 assert_se(rm_rf(t
, REMOVE_ROOT
|REMOVE_PHYSICAL
) >= 0);
281 int main(int argc
, char *argv
[]) {
282 test_setup_logging(LOG_DEBUG
);
284 /* journal_file_open requires a valid machine id */
285 if (access("/etc/machine-id", F_OK
) != 0)
286 return log_tests_skipped("/etc/machine-id not found");
290 test_skip(setup_sequential
);
291 test_skip(setup_interleaved
);
293 test_sequence_numbers();