X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournal-file.h;h=4d6e1407711bad50df1d7896f88c0399cbd8df24;hb=5e62067d08d989ab98b12497a9b27a877de8515b;hp=20712b5dcc341d29347bda10ca5558ddf53312b8;hpb=bc85bfee87e11317fbcd1160c9003860dc6edde9;p=elogind.git diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h index 20712b5dc..4d6e14077 100644 --- a/src/journal/journal-file.h +++ b/src/journal/journal-file.h @@ -24,14 +24,10 @@ #include +#include + #include "journal-def.h" #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; @@ -51,6 +47,7 @@ enum { }; typedef struct JournalMetrics { + uint64_t max_use; uint64_t max_size; uint64_t min_size; uint64_t keep_free; @@ -75,6 +72,13 @@ typedef struct JournalFile { uint64_t current_offset; JournalMetrics metrics; + + bool compress; + +#ifdef HAVE_XZ + void *compress_buffer; + uint64_t compress_buffer_size; +#endif } JournalFile; typedef enum direction { @@ -85,6 +89,8 @@ 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); @@ -106,10 +112,16 @@ 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); + +void journal_default_metrics(JournalMetrics *m, int fd); + #endif