journald: flush /run to /var as soon as it becomes available

[elogind.git] / src / journal / journal-file.h

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index 664f917bb0e6dfbcce90f7f961a050e3ddbef0e4..ab2970ca007231cd1c86b20c99f835ea562bba0e 100644 (file)
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -28,6 +28,11 @@
 #include "util.h"
 #include "sd-id128.h"
 
+#define DEFAULT_MAX_SIZE (1024ULL*128ULL)
+#define DEFAULT_MIN_SIZE (256ULL*1024ULL)
+#define DEFAULT_KEEP_FREE (1ULL*1024ULL*1024ULL)
+#define DEFAULT_MAX_USE (16ULL*1024ULL*1024ULL*16ULL)
+
 typedef struct Window {
         void *ptr;
         uint64_t offset;
@@ -45,6 +50,12 @@ enum {
         _WINDOW_MAX
 };
 
+typedef struct JournalMetrics {
+        uint64_t max_size;
+        uint64_t min_size;
+        uint64_t keep_free;
+} JournalMetrics;
+
 typedef struct JournalFile {
         int fd;
         char *path;
@@ -62,6 +73,15 @@ typedef struct JournalFile {
         Window windows[_WINDOW_MAX];
 
         uint64_t current_offset;
+
+        JournalMetrics metrics;
+
+        bool compress;
+
+#ifdef HAVE_XZ
+        void *compress_buffer;
+        size_t compress_buffer_size;
+#endif
 } JournalFile;
 
 typedef enum direction {
@@ -93,10 +113,14 @@ int journal_file_move_to_entry_by_monotonic(JournalFile *f, sd_id128_t boot_id,
 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);
+
 #endif