diff options
Diffstat (limited to 'src/journal/journal-file.h')
-rw-r--r-- | src/journal/journal-file.h | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h index 403c8f760c..564e1a8179 100644 --- a/src/journal/journal-file.h +++ b/src/journal/journal-file.h @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - #pragma once /*** @@ -29,18 +27,21 @@ #include "sd-id128.h" -#include "sparse-endian.h" +#include "hashmap.h" #include "journal-def.h" #include "macro.h" #include "mmap-cache.h" -#include "hashmap.h" +#include "sd-event.h" +#include "sparse-endian.h" typedef struct JournalMetrics { - uint64_t max_use; - uint64_t use; - uint64_t max_size; - uint64_t min_size; - uint64_t keep_free; + /* For all these: -1 means "pick automatically", and 0 means "no limit enforced" */ + uint64_t max_size; /* how large journal files grow at max */ + uint64_t min_size; /* how large journal files grow at least */ + uint64_t max_use; /* how much disk space to use in total at max, keep_free permitting */ + uint64_t min_use; /* how much disk space to use in total at least, even if keep_free says not to */ + uint64_t keep_free; /* how much to keep free on disk */ + uint64_t n_max_files; /* how many files to keep around at max */ } JournalMetrics; typedef enum direction { @@ -62,6 +63,16 @@ typedef enum LocationType { LOCATION_SEEK } LocationType; +typedef enum OfflineState { + OFFLINE_JOINED, + OFFLINE_SYNCING, + OFFLINE_OFFLINING, + OFFLINE_CANCEL, + OFFLINE_AGAIN_FROM_SYNCING, + OFFLINE_AGAIN_FROM_OFFLINING, + OFFLINE_DONE +} OfflineState; + typedef struct JournalFile { int fd; @@ -74,6 +85,8 @@ typedef struct JournalFile { bool compress_lz4:1; bool seal:1; bool defrag_on_close:1; + bool close_fd:1; + bool archive:1; bool tail_entry_monotonic_valid:1; @@ -99,8 +112,14 @@ typedef struct JournalFile { JournalMetrics metrics; MMapCache *mmap; + sd_event_source *post_change_timer; + usec_t post_change_timer_period; + OrderedHashmap *chain_cache; + pthread_t offline_thread; + volatile OfflineState offline_state; + #if defined(HAVE_XZ) || defined(HAVE_LZ4) void *compress_buffer; size_t compress_buffer_size; @@ -125,6 +144,7 @@ typedef struct JournalFile { } JournalFile; int journal_file_open( + int fd, const char *fname, int flags, mode_t mode, @@ -132,11 +152,14 @@ int journal_file_open( bool seal, JournalMetrics *metrics, MMapCache *mmap_cache, + Set *deferred_closes, JournalFile *template, JournalFile **ret); -int journal_file_set_offline(JournalFile *f); -void journal_file_close(JournalFile *j); +int journal_file_set_offline(JournalFile *f, bool wait); +bool journal_file_is_offlining(JournalFile *f); +JournalFile* journal_file_close(JournalFile *j); +void journal_file_close_set(Set *s); int journal_file_open_reliably( const char *fname, @@ -146,6 +169,7 @@ int journal_file_open_reliably( bool seal, JournalMetrics *metrics, MMapCache *mmap_cache, + Set *deferred_closes, JournalFile *template, JournalFile **ret); @@ -219,13 +243,23 @@ int journal_file_copy_entry(JournalFile *from, JournalFile *to, Object *o, uint6 void journal_file_dump(JournalFile *f); void journal_file_print_header(JournalFile *f); -int journal_file_rotate(JournalFile **f, bool compress, bool seal); +int journal_file_rotate(JournalFile **f, bool compress, bool seal, Set *deferred_closes); void journal_file_post_change(JournalFile *f); +int journal_file_enable_post_change_timer(JournalFile *f, sd_event *e, usec_t t); +void journal_reset_metrics(JournalMetrics *m); 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, usec_t max_file_usec); + +int journal_file_map_data_hash_table(JournalFile *f); +int journal_file_map_field_hash_table(JournalFile *f); + +static inline bool JOURNAL_FILE_COMPRESS(JournalFile *f) { + assert(f); + return f->compress_xz || f->compress_lz4; +} |