/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2012 Lennart Poettering 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-internal.h" #include "util.h" #include "log.h" #define N_ENTRIES 200 static void verify_contents(sd_journal *j, unsigned skip) { unsigned i; assert(j); i = 0; SD_JOURNAL_FOREACH(j) { const void *d; char *k, *c; size_t l; unsigned u; assert_se(sd_journal_get_cursor(j, &k) >= 0); printf("cursor: %s\n", k); free(k); assert_se(sd_journal_get_data(j, "MAGIC", &d, &l) >= 0); printf("\t%.*s\n", (int) l, (const char*) d); assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0); assert_se(k = strndup(d, l)); printf("\t%s\n", k); if (skip > 0) { assert_se(safe_atou(k + 7, &u) >= 0); assert_se(i == u); i += skip; } free(k); assert_se(sd_journal_get_cursor(j, &c) >= 0); assert_se(sd_journal_test_cursor(j, c) > 0); free(c); } if (skip > 0) assert_se(i == N_ENTRIES); } int main(int argc, char *argv[]) { JournalFile *one, *two, *three; char t[] = "/tmp/journal-stream-XXXXXX"; unsigned i; sd_journal *j; char *z; const void *data; size_t l; log_set_max_level(LOG_DEBUG); assert_se(mkdtemp(t)); assert_se(chdir(t) >= 0); assert_se(journal_file_open("one.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &one) == 0); assert_se(journal_file_open("two.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &two) == 0); assert_se(journal_file_open("three.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &three) == 0); for (i = 0; i < N_ENTRIES; i++) { char *p, *q; dual_timestamp ts; struct iovec iovec[2]; dual_timestamp_get(&ts); assert_se(asprintf(&p, "NUMBER=%u", i) >= 0); iovec[0].iov_base = p; iovec[0].iov_len = strlen(p); assert_se(asprintf(&q, "MAGIC=%s", i % 5 == 0 ? "quux" : "waldo") >= 0); iovec[1].iov_base = q; iovec[1].iov_len = strlen(q); if (i % 10 == 0) assert_se(journal_file_append_entry(three, &ts, iovec, 2, NULL, NULL, NULL) == 0); else { if (i % 3 == 0) assert_se(journal_file_append_entry(two, &ts, iovec, 2, NULL, NULL, NULL) == 0); assert_se(journal_file_append_entry(one, &ts, iovec, 2, NULL, NULL, NULL) == 0); } free(p); free(q); } journal_file_close(one); journal_file_close(two); journal_file_close(three); assert_se(sd_journal_open_directory(&j, t, 0) >= 0); assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0); SD_JOURNAL_FOREACH_BACKWARDS(j) { char *c; assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0); printf("\t%.*s\n", (int) l, (const char*) data); assert_se(sd_journal_get_cursor(j, &c) >= 0); assert_se(sd_journal_test_cursor(j, c) > 0); free(c); } SD_JOURNAL_FOREACH(j) { char *c; assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0); printf("\t%.*s\n", (int) l, (const char*) data); assert_se(sd_journal_get_cursor(j, &c) >= 0); assert_se(sd_journal_test_cursor(j, c) > 0); free(c); } sd_journal_flush_matches(j); verify_contents(j, 1); printf("NEXT TEST\n"); assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0); assert_se(z = journal_make_match_string(j)); printf("resulting match expression is: %s\n", z); free(z); verify_contents(j, 5); printf("NEXT TEST\n"); sd_journal_flush_matches(j); assert_se(sd_journal_add_match(j, "MAGIC=waldo", 0) >= 0); assert_se(sd_journal_add_match(j, "NUMBER=10", 0) >= 0); assert_se(sd_journal_add_match(j, "NUMBER=11", 0) >= 0); assert_se(sd_journal_add_match(j, "NUMBER=12", 0) >= 0); assert_se(z = journal_make_match_string(j)); printf("resulting match expression is: %s\n", z); free(z); verify_contents(j, 0); assert_se(sd_journal_query_unique(j, "NUMBER") >= 0); SD_JOURNAL_FOREACH_UNIQUE(j, data, l) printf("%.*s\n", (int) l, (const char*) data); sd_journal_close(j); assert_se(rm_rf_dangerous(t, false, true, false) >= 0); return 0; }