mirror of
https://github.com/matrix-construct/construct
synced 2024-12-27 07:54:05 +01:00
103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_M_DBS_H
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namespace ircd::m::dbs
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{
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struct init;
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struct write_opts;
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// Database instance
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extern std::shared_ptr<db::database> events;
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// Event property columns
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constexpr const auto event_columns{event::size()};
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extern std::array<db::column, event_columns> event_column;
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// Event metadata columns
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extern db::column state_node;
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extern db::index room_events;
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extern db::index room_origins;
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extern db::index room_state;
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// Lowlevel util
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string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type, const string_view &state_key);
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string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type);
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std::tuple<string_view, string_view> room_state_key(const string_view &amalgam);
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string_view room_origins_key(const mutable_buffer &out, const id::room &, const string_view &origin, const id::user &member);
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std::tuple<string_view, string_view> room_origins_key(const string_view &amalgam);
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string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth, const id::event &);
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string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth);
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std::tuple<uint64_t, string_view> room_events_key(const string_view &amalgam);
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// Get the state root for an event (with as much information as you have)
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string_view state_root(const mutable_buffer &out, const id::room &, const id::event &, const uint64_t &depth);
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string_view state_root(const mutable_buffer &out, const id::room &, const id::event &);
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string_view state_root(const mutable_buffer &out, const id::event &);
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string_view state_root(const mutable_buffer &out, const event &);
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// [SET (txn)] Basic write suite
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string_view write(db::txn &, const event &, const write_opts &);
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}
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struct ircd::m::dbs::write_opts
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{
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string_view root_in;
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mutable_buffer root_out;
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bool present {true};
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bool history {true};
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};
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namespace ircd::m::dbs::desc
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{
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// Full description
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extern const database::description events;
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// Direct columns
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extern const database::descriptor events_auth_events;
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extern const database::descriptor events_content;
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extern const database::descriptor events_depth;
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extern const database::descriptor events_event_id;
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extern const database::descriptor events_hashes;
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extern const database::descriptor events_membership;
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extern const database::descriptor events_origin;
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extern const database::descriptor events_origin_server_ts;
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extern const database::descriptor events_prev_events;
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extern const database::descriptor events_prev_state;
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extern const database::descriptor events_redacts;
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extern const database::descriptor events_room_id;
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extern const database::descriptor events_sender;
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extern const database::descriptor events_signatures;
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extern const database::descriptor events_state_key;
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extern const database::descriptor events_type;
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// Metadata columns
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extern const database::descriptor events__state_node;
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extern const db::prefix_transform events__room_events__pfx;
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extern const db::comparator events__room_events__cmp;
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extern const database::descriptor events__room_events;
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extern const db::prefix_transform events__room_origins__pfx;
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extern const database::descriptor events__room_origins;
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extern const db::prefix_transform events__room_state__pfx;
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extern const database::descriptor events__room_state;
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}
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struct ircd::m::dbs::init
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{
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init();
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~init() noexcept;
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};
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