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
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ 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 <inttypes.h>
+#include <systemd/sd-id128.h>
+
+#include "sparse-endian.h"
#include "journal-def.h"
#include "util.h"
-#include "sd-id128.h"
typedef struct Window {
void *ptr;
_WINDOW_MAX
};
+typedef struct JournalMetrics {
+ uint64_t max_use;
+ uint64_t max_size;
+ uint64_t min_size;
+ uint64_t keep_free;
+} JournalMetrics;
+
typedef struct JournalFile {
int fd;
char *path;
Window windows[_WINDOW_MAX];
uint64_t current_offset;
+
+ JournalMetrics metrics;
+
+ bool compress;
+
+#ifdef HAVE_XZ
+ void *compress_buffer;
+ uint64_t compress_buffer_size;
+#endif
} JournalFile;
typedef enum direction {
int journal_file_open(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
void journal_file_close(JournalFile *j);
+int journal_file_open_reliably(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
+
int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret);
uint64_t journal_file_entry_n_items(Object *o);
int journal_file_move_to_entry_by_seqnum_for_data(JournalFile *f, uint64_t data_offset, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
int journal_file_move_to_entry_by_realtime_for_data(JournalFile *f, uint64_t data_offset, uint64_t realtime, direction_t direction, Object **ret, uint64_t *offset);
+int journal_file_copy_entry(JournalFile *from, JournalFile *to, Object *o, uint64_t p, uint64_t *seqnum, Object **ret, uint64_t *offset);
+
void journal_file_dump(JournalFile *f);
int journal_file_rotate(JournalFile **f);
int journal_directory_vacuum(const char *directory, uint64_t max_use, uint64_t min_free);
+void journal_file_post_change(JournalFile *f);
+
+void journal_default_metrics(JournalMetrics *m, int fd);
+
#endif