#include "sparse-endian.h"
#include "journal-def.h"
#include "util.h"
-
-typedef struct Window {
- void *ptr;
- uint64_t offset;
- uint64_t size;
-} Window;
-
-enum {
- WINDOW_UNKNOWN = OBJECT_UNUSED,
- WINDOW_DATA = OBJECT_DATA,
- WINDOW_ENTRY = OBJECT_ENTRY,
- WINDOW_DATA_HASH_TABLE = OBJECT_DATA_HASH_TABLE,
- WINDOW_FIELD_HASH_TABLE = OBJECT_FIELD_HASH_TABLE,
- WINDOW_ENTRY_ARRAY = OBJECT_ENTRY_ARRAY,
- WINDOW_TAG = OBJECT_TAG,
- WINDOW_HEADER,
- _WINDOW_MAX
-};
+#include "mmap-cache.h"
typedef struct JournalMetrics {
uint64_t max_use;
int prot;
bool writable;
bool compress;
- bool authenticate;
+ bool seal;
bool tail_entry_monotonic_valid;
HashItem *data_hash_table;
HashItem *field_hash_table;
- Window windows[_WINDOW_MAX];
-
uint64_t current_offset;
JournalMetrics metrics;
+ MMapCache *mmap;
#ifdef HAVE_XZ
void *compress_buffer;
gcry_md_hd_t hmac;
bool hmac_running;
- FSPRGHeader *fsprg_header;
- size_t fsprg_size;
+ FSSHeader *fss_file;
+ size_t fss_file_size;
+
+ uint64_t fss_start_usec;
+ uint64_t fss_interval_usec;
+
+ void *fsprg_state;
+ size_t fsprg_state_size;
+
+ void *fsprg_seed;
+ size_t fsprg_seed_size;
#endif
} JournalFile;
int flags,
mode_t mode,
bool compress,
- bool authenticate,
+ bool seal,
JournalMetrics *metrics,
+ MMapCache *mmap_cache,
JournalFile *template,
JournalFile **ret);
int flags,
mode_t mode,
bool compress,
- bool authenticate,
+ bool seal,
JournalMetrics *metrics,
+ MMapCache *mmap_cache,
JournalFile *template,
JournalFile **ret);
+#define ALIGN64(x) (((x) + 7ULL) & ~7ULL)
+#define VALID64(x) (((x) & 7ULL) == 0ULL)
+
+static inline bool VALID_REALTIME(uint64_t u) {
+ /* This considers timestamps until the year 3112 valid. That should be plenty room... */
+ return u > 0 && u < (1ULL << 55);
+}
+
+static inline bool VALID_MONOTONIC(uint64_t u) {
+ /* This considers timestamps until 1142 years of runtime valid. */
+ return u < (1ULL << 55);
+}
+
+static inline bool VALID_EPOCH(uint64_t u) {
+ /* This allows changing the key for 1142 years, every usec. */
+ return u < (1ULL << 55);
+}
+
+#define JOURNAL_HEADER_CONTAINS(h, field) \
+ (le64toh((h)->header_size) >= offsetof(Header, field) + sizeof((h)->field))
+
+#define JOURNAL_HEADER_SEALED(h) \
+ (!!(le32toh((h)->compatible_flags) & HEADER_COMPATIBLE_SEALED))
+
+#define JOURNAL_HEADER_COMPRESSED(h) \
+ (!!(le32toh((h)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED))
+
int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret);
uint64_t journal_file_entry_n_items(Object *o);
+uint64_t journal_file_entry_array_n_items(Object *o);
+uint64_t journal_file_hash_table_n_items(Object *o);
+int journal_file_append_object(JournalFile *f, int type, uint64_t size, Object **ret, uint64_t *offset);
int journal_file_append_entry(JournalFile *f, const dual_timestamp *ts, const struct iovec iovec[], unsigned n_iovec, uint64_t *seqno, Object **ret, uint64_t *offset);
int journal_file_find_data_object(JournalFile *f, const void *data, uint64_t size, Object **ret, uint64_t *offset);
void journal_file_dump(JournalFile *f);
void journal_file_print_header(JournalFile *f);
-int journal_file_rotate(JournalFile **f, bool compress, bool authenticate);
-
-int journal_directory_vacuum(const char *directory, uint64_t max_use, uint64_t min_free);
+int journal_file_rotate(JournalFile **f, bool compress, bool seal);
void journal_file_post_change(JournalFile *f);
int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot, usec_t *from, usec_t *to);
bool journal_file_rotate_suggested(JournalFile *f);
-
-int journal_file_append_tag(JournalFile *f);