X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournal-file.h;h=d87cbe4876606f6160801d56b778abbf5a1520d1;hb=0f91dd8749c1a1ec308cc645269be92166413e38;hp=e2ef03347ce64fcdcc9a1fb98f043633daf180f5;hpb=fb9a24b6b1ed5b1f42e6e350ccdb7e11800a83bd;p=elogind.git diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h index e2ef03347..d87cbe487 100644 --- a/src/journal/journal-file.h +++ b/src/journal/journal-file.h @@ -119,9 +119,30 @@ int journal_file_open_reliably( #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); @@ -134,6 +155,9 @@ int journal_file_append_entry(JournalFile *f, const dual_timestamp *ts, const st int journal_file_find_data_object(JournalFile *f, const void *data, uint64_t size, Object **ret, uint64_t *offset); int journal_file_find_data_object_with_hash(JournalFile *f, const void *data, uint64_t size, uint64_t hash, Object **ret, uint64_t *offset); +int journal_file_find_field_object(JournalFile *f, const void *field, uint64_t size, Object **ret, uint64_t *offset); +int journal_file_find_field_object_with_hash(JournalFile *f, const void *field, uint64_t size, uint64_t hash, Object **ret, uint64_t *offset); + int journal_file_next_entry(JournalFile *f, Object *o, uint64_t p, direction_t direction, Object **ret, uint64_t *offset); int journal_file_skip_entry(JournalFile *f, Object *o, uint64_t p, int64_t skip, Object **ret, uint64_t *offset); @@ -163,4 +187,4 @@ void journal_default_metrics(JournalMetrics *m, int fd); int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t *to); 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); +bool journal_file_rotate_suggested(JournalFile *f, usec_t max_file_usec);