journal: beef up journal matches considerably

[elogind.git] / src / journal / test-journal-stream.c

diff --git a/src/journal/test-journal-stream.c b/src/journal/test-journal-stream.c
new file mode 100644 (file)
index 0000000..313606f
--- /dev/null
+++ b/src/journal/test-journal-stream.c
@@ -0,0 +1,169 @@
+/*-*- 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;
+                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);
+        }
+
+        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;
+
+        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, NULL, &one) == 0);
+        assert_se(journal_file_open("two.journal", O_RDWR|O_CREAT, 0666, NULL, &two) == 0);
+        assert_se(journal_file_open("three.journal", O_RDWR|O_CREAT, 0666, 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) {
+                const void *d;
+                size_t l;
+
+                assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0);
+                printf("\t%.*s\n", (int) l, (const char*) d);
+        }
+
+        SD_JOURNAL_FOREACH(j) {
+                const void *d;
+                size_t l;
+
+                assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0);
+                printf("\t%.*s\n", (int) l, (const char*) d);
+        }
+
+        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);
+
+        sd_journal_close(j);
+
+        assert_se(rm_rf(t, false, true, false) >= 0);
+
+        return 0;
+}