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Diffstat (limited to 'src/journal/journal-def.h')
| -rw-r--r-- | src/journal/journal-def.h | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/journal/journal-def.h b/src/journal/journal-def.h deleted file mode 100644 index 67edb43960..0000000000 --- a/src/journal/journal-def.h +++ /dev/null @@ -1,237 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "sd-id128.h" - -#include "macro.h" -#include "sparse-endian.h" - -/* - * If you change this file you probably should also change its documentation: - * - * http://www.freedesktop.org/wiki/Software/systemd/journal-files - * - */ - -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 */ -typedef enum ObjectType { - OBJECT_UNUSED, /* also serves as "any type" or "additional context" */ - OBJECT_DATA, - OBJECT_FIELD, - OBJECT_ENTRY, - OBJECT_DATA_HASH_TABLE, - OBJECT_FIELD_HASH_TABLE, - OBJECT_ENTRY_ARRAY, - OBJECT_TAG, - _OBJECT_TYPE_MAX -} ObjectType; - -/* Object flags */ -enum { - OBJECT_COMPRESSED_XZ = 1 << 0, - OBJECT_COMPRESSED_LZ4 = 1 << 1, - _OBJECT_COMPRESSED_MAX -}; - -#define OBJECT_COMPRESSION_MASK (OBJECT_COMPRESSED_XZ | OBJECT_COMPRESSED_LZ4) - -struct ObjectHeader { - uint8_t type; - uint8_t flags; - uint8_t reserved[6]; - le64_t size; - uint8_t payload[]; -} _packed_; - -struct DataObject { - ObjectHeader object; - le64_t hash; - le64_t next_hash_offset; - le64_t next_field_offset; - le64_t entry_offset; /* the first array entry we store inline */ - le64_t entry_array_offset; - le64_t n_entries; - uint8_t payload[]; -} _packed_; - -struct FieldObject { - ObjectHeader object; - le64_t hash; - le64_t next_hash_offset; - le64_t head_data_offset; - uint8_t payload[]; -} _packed_; - -struct EntryItem { - le64_t object_offset; - le64_t hash; -} _packed_; - -struct EntryObject { - ObjectHeader object; - le64_t seqnum; - le64_t realtime; - le64_t monotonic; - sd_id128_t boot_id; - le64_t xor_hash; - EntryItem items[]; -} _packed_; - -struct HashItem { - le64_t head_hash_offset; - le64_t tail_hash_offset; -} _packed_; - -struct HashTableObject { - ObjectHeader object; - HashItem items[]; -} _packed_; - -struct EntryArrayObject { - ObjectHeader object; - le64_t next_entry_array_offset; - le64_t items[]; -} _packed_; - -#define TAG_LENGTH (256/8) - -struct TagObject { - ObjectHeader object; - le64_t seqnum; - le64_t epoch; - uint8_t tag[TAG_LENGTH]; /* SHA-256 HMAC */ -} _packed_; - -union Object { - ObjectHeader object; - DataObject data; - FieldObject field; - EntryObject entry; - HashTableObject hash_table; - EntryArrayObject entry_array; - TagObject tag; -}; - -enum { - STATE_OFFLINE = 0, - STATE_ONLINE = 1, - STATE_ARCHIVED = 2, - _STATE_MAX -}; - -/* Header flags */ -enum { - HEADER_INCOMPATIBLE_COMPRESSED_XZ = 1 << 0, - HEADER_INCOMPATIBLE_COMPRESSED_LZ4 = 1 << 1, -}; - -#define HEADER_INCOMPATIBLE_ANY (HEADER_INCOMPATIBLE_COMPRESSED_XZ|HEADER_INCOMPATIBLE_COMPRESSED_LZ4) - -#if defined(HAVE_XZ) && defined(HAVE_LZ4) -# define HEADER_INCOMPATIBLE_SUPPORTED HEADER_INCOMPATIBLE_ANY -#elif defined(HAVE_XZ) -# define HEADER_INCOMPATIBLE_SUPPORTED HEADER_INCOMPATIBLE_COMPRESSED_XZ -#elif defined(HAVE_LZ4) -# define HEADER_INCOMPATIBLE_SUPPORTED HEADER_INCOMPATIBLE_COMPRESSED_LZ4 -#else -# define HEADER_INCOMPATIBLE_SUPPORTED 0 -#endif - -enum { - HEADER_COMPATIBLE_SEALED = 1 -}; - -#define HEADER_COMPATIBLE_ANY HEADER_COMPATIBLE_SEALED -#ifdef HAVE_GCRYPT -# define HEADER_COMPATIBLE_SUPPORTED HEADER_COMPATIBLE_SEALED -#else -# define HEADER_COMPATIBLE_SUPPORTED 0 -#endif - -#define HEADER_SIGNATURE ((char[]) { 'L', 'P', 'K', 'S', 'H', 'H', 'R', 'H' }) - -struct Header { - uint8_t signature[8]; /* "LPKSHHRH" */ - 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; /* last writer */ - sd_id128_t seqnum_id; - le64_t header_size; - le64_t arena_size; - le64_t data_hash_table_offset; - le64_t data_hash_table_size; - le64_t field_hash_table_offset; - le64_t field_hash_table_size; - le64_t tail_object_offset; - le64_t n_objects; - le64_t n_entries; - 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: 240 */ -} _packed_; - -#define FSS_HEADER_SIGNATURE ((char[]) { 'K', 'S', 'H', 'H', 'R', 'H', 'L', 'P' }) - -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; -} _packed_; |