mirror of
https://github.com/matrix-construct/construct
synced 2024-07-08 03:28:40 +02:00
134 lines
3.7 KiB
C++
134 lines
3.7 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_EVENT_H
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namespace ircd::m
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{
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struct event;
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bool my(const id::event &);
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bool my(const event &);
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size_t degree(const event &);
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std::string pretty(const event &);
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std::string pretty_oneline(const event &);
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id::event event_id(const event &, id::event::buf &buf, const const_buffer &hash);
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id::event event_id(const event &, id::event::buf &buf);
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id::event event_id(const event &);
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wsubobject-linkage"
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/// The _Main Event_. Most fundamental primitive of the Matrix protocol.
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///
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/// This json::tuple provides at least all of the legal members of the matrix
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/// standard event. This is the fundamental building block of the matrix
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/// system. Rooms are collections of events. Messages between servers are
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/// passed as bundles of events (or directly).
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///
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/// Due to the ubiquitous usage, and diversity of extensions, the class
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/// member interface is somewhat minimal.
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///
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/// It is better to have 100 functions operate on one data structure than
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/// to have 10 functions operate on 10 data structures.
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/// -Alan Perlis
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///
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struct ircd::m::event
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:json::tuple
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<
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json::property<name::auth_events, json::array>,
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json::property<name::content, json::object>,
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json::property<name::depth, int64_t>,
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json::property<name::event_id, json::string>,
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json::property<name::hashes, json::object>,
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json::property<name::membership, json::string>,
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json::property<name::origin, json::string>,
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json::property<name::origin_server_ts, time_t>,
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json::property<name::prev_events, json::array>,
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json::property<name::prev_state, json::array>,
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json::property<name::room_id, json::string>,
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json::property<name::sender, json::string>,
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json::property<name::signatures, json::object>,
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json::property<name::state_key, json::string>,
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json::property<name::type, json::string>,
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json::property<name::unsigned_, string_view>
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>
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{
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struct init;
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struct fetch;
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struct sync;
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struct prev;
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// Common convenience aliases
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using id = m::id::event;
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using closure = std::function<void (const event &)>;
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using closure_bool = std::function<bool (const event &)>;
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static const db::database::description description;
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static std::shared_ptr<db::database> events;
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static std::array<db::column, super_type::size()> column;
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using super_type::tuple;
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using super_type::operator=;
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event(const id &, const mutable_buffer &buf);
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event() = default;
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};
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#pragma GCC diagnostic pop
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namespace ircd::m
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{
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void for_each(const event::prev &, const std::function<void (const event::id &)> &);
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size_t degree(const event::prev &);
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size_t count(const event::prev &);
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std::string pretty(const event::prev &);
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std::string pretty_oneline(const event::prev &);
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wsubobject-linkage"
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struct ircd::m::event::prev
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:json::tuple
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<
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json::property<name::auth_events, json::array>,
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json::property<name::prev_state, json::array>,
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json::property<name::prev_events, json::array>
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>
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{
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enum cond :int;
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using super_type::tuple;
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using super_type::operator=;
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};
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#pragma GCC diagnostic pop
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struct ircd::m::event::init
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{
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init();
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~init() noexcept;
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};
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inline bool
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ircd::m::my(const event &event)
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{
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return my(event::id(at<"event_id"_>(event)));
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}
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inline bool
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ircd::m::my(const id::event &event_id)
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{
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return self::host(event_id.host());
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}
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