1 files changed, 83 insertions, 0 deletions
diff --git a/src/journal/test-journal-flush.c b/src/journal/test-journal-flush.c
new file mode 100644
index 0000000..c734aa0
--- /dev/null
+++ b/src/journal/test-journal-flush.c
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "sd-journal.h"
+
+#include "alloc-util.h"
+#include "chattr-util.h"
+#include "journal-internal.h"
+#include "macro.h"
+#include "managed-journal-file.h"
+#include "path-util.h"
+#include "string-util.h"
+
+static void test_journal_flush(int argc, char *argv[]) {
+        _cleanup_(mmap_cache_unrefp) MMapCache *m = NULL;
+        _cleanup_free_ char *fn = NULL;
+        char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
+        ManagedJournalFile *new_journal = NULL;
+        sd_journal *j = NULL;
+        unsigned n = 0;
+        int r;
+
+        m = mmap_cache_new();
+        assert_se(m != NULL);
+        assert_se(mkdtemp(dn));
+        (void) chattr_path(dn, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
+
+        fn = path_join(dn, "test.journal");
+
+        r = managed_journal_file_open(-1, fn, O_CREAT|O_RDWR, 0, 0644, 0, NULL, m, NULL, NULL, &new_journal);
+        assert_se(r >= 0);
+
+        if (argc > 1)
+                r = sd_journal_open_files(&j, (const char **) strv_skip(argv, 1), 0);
+        else
+                r = sd_journal_open(&j, 0);
+        assert_se(r == 0);
+
+        sd_journal_set_data_threshold(j, 0);
+
+        SD_JOURNAL_FOREACH(j) {
+                Object *o;
+                JournalFile *f;
+
+                f = j->current_file;
+                assert_se(f && f->current_offset > 0);
+
+                r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
+                if (r < 0)
+                        log_error_errno(r, "journal_file_move_to_object failed: %m");
+                assert_se(r >= 0);
+
+                r = journal_file_copy_entry(f, new_journal->file, o, f->current_offset);
+                if (r < 0)
+                        log_warning_errno(r, "journal_file_copy_entry failed: %m");
+                assert_se(r >= 0 ||
+                          IN_SET(r, -EBADMSG,         /* corrupted file */
+                                    -EPROTONOSUPPORT, /* unsupported compression */
+                                    -EIO));           /* file rotated */
+
+                if (++n >= 10000)
+                        break;
+        }
+
+        sd_journal_close(j);
+
+        (void) managed_journal_file_close(new_journal);
+
+        unlink(fn);
+        assert_se(rmdir(dn) == 0);
+}
+
+int main(int argc, char *argv[]) {
+        assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "0", 1) >= 0);
+        test_journal_flush(argc, argv);
+
+        assert_se(setenv("SYSTEMD_JOURNAL_COMPACT", "1", 1) >= 0);
+        test_journal_flush(argc, argv);
+
+        return 0;
+}