X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournal-def.h;h=8f00176bd70c04dc0a9713eb38ee3f8069ecc471;hb=be3ea5eaf24f4507efe88b450f751da860a9d21c;hp=d1174456cbdeebb9ca3630305283233e05419291;hpb=5430f7f2bc7330f3088b894166bf3524a067e3d8;p=elogind.git diff --git a/src/journal/journal-def.h b/src/journal/journal-def.h index d1174456c..8f00176bd 100644 --- a/src/journal/journal-def.h +++ b/src/journal/journal-def.h @@ -1,7 +1,6 @@ /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ -#ifndef foojournaldefhfoo -#define foojournaldefhfoo +#pragma once /*** This file is part of systemd. @@ -29,25 +28,32 @@ #include "macro.h" typedef struct Header Header; + typedef struct ObjectHeader ObjectHeader; typedef union Object Object; + typedef struct DataObject DataObject; typedef struct FieldObject FieldObject; typedef struct EntryObject EntryObject; typedef struct HashTableObject HashTableObject; typedef struct EntryArrayObject EntryArrayObject; +typedef struct TagObject TagObject; + typedef struct EntryItem EntryItem; typedef struct HashItem HashItem; +typedef struct FSSHeader FSSHeader; + /* Object types */ enum { OBJECT_UNUSED, - OBJECT_DATA, + OBJECT_DATA, /* !!! */ OBJECT_FIELD, OBJECT_ENTRY, OBJECT_DATA_HASH_TABLE, OBJECT_FIELD_HASH_TABLE, - OBJECT_ENTRY_ARRAY, + OBJECT_ENTRY_ARRAY, /* !!! */ + OBJECT_TAG, _OBJECT_TYPE_MAX }; @@ -80,7 +86,6 @@ _packed_ struct FieldObject { le64_t hash; le64_t next_hash_offset; le64_t head_data_offset; - le64_t tail_data_offset; uint8_t payload[]; }; @@ -115,6 +120,15 @@ _packed_ struct EntryArrayObject { le64_t items[]; }; +#define TAG_LENGTH (256/8) + +_packed_ struct TagObject { + ObjectHeader object; + uint64_t seqnum; + uint64_t epoch; + uint8_t tag[TAG_LENGTH]; /* SHA-256 HMAC */ +}; + union Object { ObjectHeader object; DataObject data; @@ -122,12 +136,14 @@ union Object { EntryObject entry; HashTableObject hash_table; EntryArrayObject entry_array; + TagObject tag; }; enum { - STATE_OFFLINE, - STATE_ONLINE, - STATE_ARCHIVED + STATE_OFFLINE = 0, + STATE_ONLINE = 1, + STATE_ARCHIVED = 2, + _STATE_MAX }; /* Header flags */ @@ -135,17 +151,23 @@ enum { HEADER_INCOMPATIBLE_COMPRESSED = 1 }; +enum { + HEADER_COMPATIBLE_SEALED = 1 +}; + +#define HEADER_SIGNATURE ((char[]) { 'L', 'P', 'K', 'S', 'H', 'H', 'R', 'H' }) + _packed_ struct Header { uint8_t signature[8]; /* "LPKSHHRH" */ - uint32_t compatible_flags; - uint32_t incompatible_flags; + le32_t compatible_flags; + le32_t incompatible_flags; uint8_t state; uint8_t reserved[7]; sd_id128_t file_id; sd_id128_t machine_id; - sd_id128_t boot_id; + sd_id128_t boot_id; /* last writer */ sd_id128_t seqnum_id; - le64_t arena_offset; + le64_t header_size; le64_t arena_size; le64_t data_hash_table_offset; /* for looking up data objects */ le64_t data_hash_table_size; @@ -154,12 +176,34 @@ _packed_ struct Header { le64_t tail_object_offset; le64_t n_objects; le64_t n_entries; - le64_t seqnum; - le64_t first_seqnum; + le64_t tail_entry_seqnum; + le64_t head_entry_seqnum; le64_t entry_array_offset; le64_t head_entry_realtime; le64_t tail_entry_realtime; le64_t tail_entry_monotonic; + /* Added in 187 */ + le64_t n_data; + le64_t n_fields; + /* Added in 189 */ + le64_t n_tags; + le64_t n_entry_arrays; + + /* Size: 224 */ }; -#endif +#define FSS_HEADER_SIGNATURE ((char[]) { 'K', 'S', 'H', 'H', 'R', 'H', 'L', 'P' }) + +_packed_ struct FSSHeader { + uint8_t signature[8]; /* "KSHHRHLP" */ + le32_t compatible_flags; + le32_t incompatible_flags; + sd_id128_t machine_id; + sd_id128_t boot_id; /* last writer */ + le64_t header_size; + le64_t start_usec; + le64_t interval_usec; + le16_t fsprg_secpar; + le16_t reserved[3]; + le64_t fsprg_state_size; +};