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author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 08:43:34 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 08:43:34 -0400 |
commit | 670b77ddfab0f4eddbe539964aba83d446d48129 (patch) | |
tree | 5b159fe9bd52169e05cdc60db5a48a5c5ac9602a /src/grp-journal/libjournal-core/test-journal-interleaving.c | |
parent | 23708daf3ba69ba9880102b4f720a3842883332e (diff) | |
parent | 34dbdee3b2f122d2ef903a368b172e75f962b66a (diff) |
Merge branch 'lukeshu/postmove' into 'lukeshu/master'
Diffstat (limited to 'src/grp-journal/libjournal-core/test-journal-interleaving.c')
-rw-r--r-- | src/grp-journal/libjournal-core/test-journal-interleaving.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/src/grp-journal/libjournal-core/test-journal-interleaving.c b/src/grp-journal/libjournal-core/test-journal-interleaving.c new file mode 100644 index 0000000000..d09ef011a6 --- /dev/null +++ b/src/grp-journal/libjournal-core/test-journal-interleaving.c @@ -0,0 +1,307 @@ +/*** + 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 <fcntl.h> +#include <unistd.h> + +#include <systemd/sd-journal.h> + +#include "alloc-util.h" +#include "journal-file.h" +#include "journal-vacuum.h" +#include "log.h" +#include "parse-util.h" +#include "rm-rf.h" +#include "util.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(-1, name, O_RDWR|O_CREAT, 0644, true, false, NULL, NULL, NULL, NULL, &f)); + return f; +} + +static void test_close(JournalFile *f) { + (void) journal_file_close (f); +} + +static void append_number(JournalFile *f, int n, uint64_t *seqnum) { + char *p; + dual_timestamp ts; + static dual_timestamp previous_ts = {}; + struct iovec iovec[1]; + + dual_timestamp_get(&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[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, 0, NULL, true); + + assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 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(-1, "one.journal", O_RDWR|O_CREAT, 0644, + true, false, NULL, 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(-1, "two.journal", O_RDWR|O_CREAT, 0644, + true, false, NULL, 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(-1, "two.journal", O_RDWR, 0, + true, false, NULL, 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, 0, NULL, true); + + assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 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; +} |