journal: add preliminary incomplete implementation

1 files changed, 74 insertions, 0 deletions

diff --git a/src/journal/sd-journal.h b/src/journal/sd-journal.h
new file mode 100644
index 0000000000..8170dea87c
--- /dev/null
+++ b/src/journal/sd-journal.h
@@ -0,0 +1,74 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef foojournalhfoo
+#define foojournalhfoo
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 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
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <inttypes.h>
+#include <sys/types.h>
+
+#include "sd-id128.h"
+
+/* TODO:
+ *
+ *   - implement rotation
+ *   - check LE/BE conversion for 8bit, 16bit, 32bit values
+ *   - implement parallel traversal
+ *   - implement audit gateway
+ *   - implement native gateway
+ *   - extend hash table/bisect table as we go
+ */
+
+typedef struct sd_journal sd_journal;
+
+int sd_journal_open(sd_journal **ret);
+void sd_journal_close(sd_journal *j);
+
+int sd_journal_previous(sd_journal *j);
+int sd_journal_next(sd_journal *j);
+
+void* sd_journal_get(sd_journal *j, const char *field, size_t *size);
+uint64_t sd_journal_get_seqnum(sd_journal *j);
+uint64_t sd_journal_get_realtime_usec(sd_journal *j);
+uint64_t sd_journal_get_monotonic_usec(sd_journal *j);
+
+int sd_journal_add_match(sd_journal *j, const char *item, size_t *size);
+
+int sd_journal_seek_head(sd_journal *j);
+int sd_journal_seek_tail(sd_journal *j);
+
+int sd_journal_seek_seqnum(sd_journal *j, uint64_t seqnum);
+int sd_journal_seek_monotonic_usec(sd_journal *j, uint64_t usec);
+int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec);
+
+uint64_t sd_journal_get_max_size(sd_journal *j);
+uint64_t sd_journal_get_min_size(sd_journal *j);
+uint64_t sd_journal_get_keep_free(sd_journal *j);
+
+int sd_journal_set_max_size(sd_journal *j, uint64_t size);
+int sd_journal_set_min_size(sd_journal *j, uint64_t size);
+int sd_journal_set_keep_free(sd_journal *j, uint64_t size);
+
+sd_id128_t sd_journal_get_file_id(sd_journal *j);
+sd_id128_t sd_journal_get_machine_id(sd_journal *j);
+sd_id128_t sd_journal_get_boot_id(sd_journal *j);
+
+#endif