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construct/include/ircd/m/dbs.h
2018-11-02 18:01:03 -07:00

263 lines
11 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_M_DBS_H
/// Database Schema
///
namespace ircd::m::dbs
{
struct init;
struct write_opts;
// General confs
extern conf::item<bool> events_cache_enable;
extern conf::item<bool> events_cache_comp_enable;
// Database instance
extern std::shared_ptr<db::database> events;
// Event property columns
constexpr const auto event_columns{event::size()};
extern std::array<db::column, event_columns> event_column;
// Event metadata columns
extern db::column event_idx; // event_id => event_idx
extern db::column event_bad; // event_id => event_idx
extern db::index room_head; // room_id | event_id => event_idx
extern db::index room_events; // room_id | depth, event_idx => state_root
extern db::index room_joined; // room_id | origin, member => event_idx
extern db::index room_state; // room_id | type, state_key => event_idx
extern db::column state_node; // node_id => state::node
// Lowlevel util
constexpr size_t ROOM_HEAD_KEY_MAX_SIZE {id::MAX_SIZE + 1 + id::MAX_SIZE};
string_view room_head_key(const mutable_buffer &out, const id::room &, const id::event &);
string_view room_head_key(const string_view &amalgam);
constexpr size_t ROOM_STATE_KEY_MAX_SIZE {id::MAX_SIZE + 256 + 256};
string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type, const string_view &state_key);
string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type);
std::pair<string_view, string_view> room_state_key(const string_view &amalgam);
constexpr size_t ROOM_JOINED_KEY_MAX_SIZE {id::MAX_SIZE + 256 + id::MAX_SIZE};
string_view room_joined_key(const mutable_buffer &out, const id::room &, const string_view &origin, const id::user &member);
string_view room_joined_key(const mutable_buffer &out, const id::room &, const string_view &origin);
std::pair<string_view, string_view> room_joined_key(const string_view &amalgam);
constexpr size_t ROOM_EVENTS_KEY_MAX_SIZE {id::MAX_SIZE + 1 + 8 + 8};
string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth, const event::idx &);
string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth);
std::pair<uint64_t, event::idx> room_events_key(const string_view &amalgam);
// [GET] the state root for an event (with as much information as you have)
string_view state_root(const mutable_buffer &out, const id::room &, const event::idx &, const uint64_t &depth);
string_view state_root(const mutable_buffer &out, const id::room &, const event::id &, const uint64_t &depth);
string_view state_root(const mutable_buffer &out, const id::room &, const event::idx &);
string_view state_root(const mutable_buffer &out, const id::room &, const event::id &);
string_view state_root(const mutable_buffer &out, const event::idx &);
string_view state_root(const mutable_buffer &out, const event::id &);
string_view state_root(const mutable_buffer &out, const event &);
// [SET (txn)] Basic write suite
string_view write(db::txn &, const event &, const write_opts &);
void blacklist(db::txn &, const event::id &, const write_opts &);
}
struct ircd::m::dbs::write_opts
{
uint64_t event_idx {0};
string_view root_in;
mutable_buffer root_out;
db::op op {db::op::SET};
bool present {true};
bool history {true};
bool indexer {true};
bool head {true};
bool refs {true};
};
/// Database Schema Descriptors
///
namespace ircd::m::dbs::desc
{
// Full description
extern const db::description events;
//
// Direct columns
//
extern conf::item<size_t> events___event__meta_block__size;
extern conf::item<size_t> events___event__bloom__bits;
extern conf::item<size_t> events__auth_events__block__size;
extern conf::item<size_t> events__auth_events__cache__size;
extern conf::item<size_t> events__auth_events__cache_comp__size;
extern const db::descriptor events_auth_events;
extern conf::item<size_t> events__content__block__size;
extern conf::item<size_t> events__content__cache__size;
extern conf::item<size_t> events__content__cache_comp__size;
extern const db::descriptor events_content;
extern conf::item<size_t> events__depth__block__size;
extern conf::item<size_t> events__depth__meta_block__size;
extern conf::item<size_t> events__depth__cache__size;
extern conf::item<size_t> events__depth__cache_comp__size;
extern const db::descriptor events_depth;
extern conf::item<size_t> events__event_id__block__size;
extern conf::item<size_t> events__event_id__cache__size;
extern conf::item<size_t> events__event_id__cache_comp__size;
extern const db::descriptor events_event_id;
extern conf::item<size_t> events__hashes__block__size;
extern conf::item<size_t> events__hashes__cache__size;
extern conf::item<size_t> events__hashes__cache_comp__size;
extern const db::descriptor events_hashes;
extern conf::item<size_t> events__membership__block__size;
extern conf::item<size_t> events__membership__cache__size;
extern conf::item<size_t> events__membership__cache_comp__size;
extern const db::descriptor events_membership;
extern conf::item<size_t> events__origin__block__size;
extern conf::item<size_t> events__origin__cache__size;
extern conf::item<size_t> events__origin__cache_comp__size;
extern const db::descriptor events_origin;
extern conf::item<size_t> events__origin_server_ts__block__size;
extern conf::item<size_t> events__origin_server_ts__meta_block__size;
extern conf::item<size_t> events__origin_server_ts__cache__size;
extern conf::item<size_t> events__origin_server_ts__cache_comp__size;
extern const db::descriptor events_origin_server_ts;
extern conf::item<size_t> events__prev_events__block__size;
extern conf::item<size_t> events__prev_events__cache__size;
extern conf::item<size_t> events__prev_events__cache_comp__size;
extern const db::descriptor events_prev_events;
extern conf::item<size_t> events__prev_state__block__size;
extern conf::item<size_t> events__prev_state__cache__size;
extern conf::item<size_t> events__prev_state__cache_comp__size;
extern const db::descriptor events_prev_state;
extern conf::item<size_t> events__redacts__block__size;
extern conf::item<size_t> events__redacts__cache__size;
extern conf::item<size_t> events__redacts__cache_comp__size;
extern const db::descriptor events_redacts;
extern conf::item<size_t> events__room_id__block__size;
extern conf::item<size_t> events__room_id__cache__size;
extern conf::item<size_t> events__room_id__cache_comp__size;
extern const db::descriptor events_room_id;
extern conf::item<size_t> events__sender__block__size;
extern conf::item<size_t> events__sender__cache__size;
extern conf::item<size_t> events__sender__cache_comp__size;
extern const db::descriptor events_sender;
extern conf::item<size_t> events__signatures__block__size;
extern conf::item<size_t> events__signatures__cache__size;
extern conf::item<size_t> events__signatures__cache_comp__size;
extern const db::descriptor events_signatures;
extern conf::item<size_t> events__state_key__block__size;
extern conf::item<size_t> events__state_key__cache__size;
extern conf::item<size_t> events__state_key__cache_comp__size;
extern const db::descriptor events_state_key;
extern conf::item<size_t> events__type__block__size;
extern conf::item<size_t> events__type__cache__size;
extern conf::item<size_t> events__type__cache_comp__size;
extern const db::descriptor events_type;
//
// Metadata columns
//
// events index
extern conf::item<size_t> events__event_idx__block__size;
extern conf::item<size_t> events__event_idx__meta_block__size;
extern conf::item<size_t> events__event_idx__cache__size;
extern conf::item<size_t> events__event_idx__cache_comp__size;
extern conf::item<size_t> events__event_idx__bloom__bits;
extern const db::descriptor events__event_idx;
// events blacklist
extern conf::item<size_t> events__event_bad__block__size;
extern conf::item<size_t> events__event_bad__cache__size;
extern conf::item<size_t> events__event_bad__cache_comp__size;
extern conf::item<size_t> events__event_bad__bloom__bits;
extern const db::descriptor events__event_bad;
// room head mapping sequence
extern conf::item<size_t> events__room_head__block__size;
extern conf::item<size_t> events__room_head__meta_block__size;
extern conf::item<size_t> events__room_head__cache__size;
extern const db::prefix_transform events__room_head__pfx;
extern const db::descriptor events__room_head;
// room events sequence
extern conf::item<size_t> events__room_events__block__size;
extern conf::item<size_t> events__room_events__meta_block__size;
extern conf::item<size_t> events__room_events__cache__size;
extern conf::item<size_t> events__room_events__cache_comp__size;
extern const db::prefix_transform events__room_events__pfx;
extern const db::comparator events__room_events__cmp;
extern const db::descriptor events__room_events;
// room present joined members sequence
extern conf::item<size_t> events__room_joined__block__size;
extern conf::item<size_t> events__room_joined__meta_block__size;
extern conf::item<size_t> events__room_joined__cache__size;
extern conf::item<size_t> events__room_joined__cache_comp__size;
extern conf::item<size_t> events__room_joined__bloom__bits;
extern const db::prefix_transform events__room_joined__pfx;
extern const db::descriptor events__room_joined;
// room present state mapping sequence
extern conf::item<size_t> events__room_state__block__size;
extern conf::item<size_t> events__room_state__meta_block__size;
extern conf::item<size_t> events__room_state__cache__size;
extern conf::item<size_t> events__room_state__cache_comp__size;
extern conf::item<size_t> events__room_state__bloom__bits;
extern const db::prefix_transform events__room_state__pfx;
extern const db::descriptor events__room_state;
// state btree node key-value store
extern conf::item<size_t> events__state_node__block__size;
extern conf::item<size_t> events__state_node__meta_block__size;
extern conf::item<size_t> events__state_node__cache__size;
extern conf::item<size_t> events__state_node__cache_comp__size;
extern conf::item<size_t> events__state_node__bloom__bits;
extern const db::descriptor events__state_node;
}
// Internal interface; not for public.
namespace ircd::m::dbs
{
void _index__room_state(db::txn &, const event &, const write_opts &);
void _index__room_events(db::txn &, const event &, const write_opts &, const string_view &);
void _index__room_joined(db::txn &, const event &, const write_opts &);
void _index__room_head(db::txn &, const event &, const write_opts &);
string_view _index_state(db::txn &, const event &, const write_opts &);
string_view _index_redact(db::txn &, const event &, const write_opts &);
string_view _index_ephem(db::txn &, const event &, const write_opts &);
void _index__event(db::txn &, const event &, const write_opts &);
}
struct ircd::m::dbs::init
{
init(std::string dbopts = {});
~init() noexcept;
};