mirror of
https://github.com/matrix-construct/construct
synced 2024-11-03 04:18:55 +01:00
112 lines
4 KiB
C++
112 lines
4 KiB
C++
/*
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* charybdis: 21st Century IRC++d
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*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define HAVE_IRCD_M_EVENT_H
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///////////////////////////////////////////////////////////////////////////////
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// Protocol notes
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//
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// 10.4
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// The total size of any event MUST NOT exceed 65 KB.
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//
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// There are additional restrictions on sizes per key:
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// sender MUST NOT exceed 255 bytes (including domain).
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// room_id MUST NOT exceed 255 bytes.
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// state_key MUST NOT exceed 255 bytes.
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// type MUST NOT exceed 255 bytes.
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// event_id MUST NOT exceed 255 bytes.
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//
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// Some event types have additional size restrictions which are specified in
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// the description of the event. Additional keys have no limit other than that
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// implied by the total 65 KB limit on events.
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//
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namespace ircd::m
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{
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struct event;
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}
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namespace ircd::m::name
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{
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constexpr const char *const auth_events {"auth_events"};
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constexpr const char *const content {"content"};
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constexpr const char *const depth {"depth"};
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constexpr const char *const event_id {"event_id"};
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constexpr const char *const hashes {"hashes"};
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constexpr const char *const membership {"membership"};
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constexpr const char *const origin {"origin"};
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constexpr const char *const origin_server_ts {"origin_server_ts"};
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constexpr const char *const prev_ids {"prev_ids"};
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constexpr const char *const prev_events {"prev_ids"};
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constexpr const char *const prev_state {"prev_ids"};
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constexpr const char *const room_id {"room_id"};
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constexpr const char *const sender {"sender"};
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constexpr const char *const signatures {"signatures"};
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constexpr const char *const state_key {"state_key"};
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constexpr const char *const type {"type"};
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constexpr const char *const unsigned_ {"unsigned"};
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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, string_view>,
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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, string_view>,
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json::property<name::hashes, string_view>,
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json::property<name::membership, string_view>,
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json::property<name::origin, string_view>,
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json::property<name::origin_server_ts, time_t>,
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json::property<name::prev_ids, string_view>,
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json::property<name::prev_events, string_view>,
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json::property<name::prev_state, string_view>,
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json::property<name::room_id, string_view>,
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json::property<name::sender, string_view>,
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json::property<name::signatures, string_view>,
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json::property<name::state_key, string_view>,
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json::property<name::type, string_view>,
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json::property<name::unsigned_, string_view>
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>
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{
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using id = m::id::event;
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static database *events;
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using cursor = db::cursor<events, event>;
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using const_iterator = cursor::const_iterator;
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using iterator = const_iterator;
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using where = db::where;
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template<enum db::where w = where::noop> using query = cursor::query_type<w>;
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// Queue of contexts waiting to see the next inserted event
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static ctx::view<const event> inserted;
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static id::buf head;
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static const_iterator find(const id &);
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static void insert(json::iov &);
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using super_type::tuple;
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using super_type::operator=;
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};
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