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-rw-r--r--src/journal/journal-def.h165
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diff --git a/src/journal/journal-def.h b/src/journal/journal-def.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef foojournaldefhfoo
+#define foojournaldefhfoo
+
+/***
+ 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 General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "sparse-endian.h"
+
+#include <systemd/sd-id128.h>
+
+#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 EntryItem EntryItem;
+typedef struct HashItem HashItem;
+
+/* Object types */
+enum {
+ OBJECT_UNUSED,
+ OBJECT_DATA,
+ OBJECT_FIELD,
+ OBJECT_ENTRY,
+ OBJECT_DATA_HASH_TABLE,
+ OBJECT_FIELD_HASH_TABLE,
+ OBJECT_ENTRY_ARRAY,
+ _OBJECT_TYPE_MAX
+};
+
+/* Object flags */
+enum {
+ OBJECT_COMPRESSED = 1
+};
+
+_packed_ 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;
+ le64_t tail_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[];
+};
+
+union Object {
+ ObjectHeader object;
+ DataObject data;
+ FieldObject field;
+ EntryObject entry;
+ HashTableObject hash_table;
+ EntryArrayObject entry_array;
+};
+
+enum {
+ STATE_OFFLINE,
+ STATE_ONLINE,
+ STATE_ARCHIVED
+};
+
+/* Header flags */
+enum {
+ HEADER_INCOMPATIBLE_COMPRESSED = 1
+};
+
+_packed_ struct Header {
+ uint8_t signature[8]; /* "LPKSHHRH" */
+ uint32_t compatible_flags;
+ uint32_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 seqnum_id;
+ le64_t arena_offset;
+ le64_t arena_size;
+ le64_t data_hash_table_offset; /* for looking up data objects */
+ le64_t data_hash_table_size;
+ le64_t field_hash_table_offset; /* for looking up field objects */
+ le64_t field_hash_table_size;
+ le64_t tail_object_offset;
+ le64_t n_objects;
+ le64_t n_entries;
+ le64_t seqnum;
+ le64_t first_seqnum;
+ le64_t entry_array_offset;
+ le64_t head_entry_realtime;
+ le64_t tail_entry_realtime;
+ le64_t tail_entry_monotonic;
+};
+
+#endif