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construct/include/ircd/m/dbs/room_events.h

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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_ROOM_EVENTS_H
namespace ircd::m::dbs
{
using room_events_tuple = std::tuple<uint64_t, event::idx>;
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);
room_events_tuple room_events_key(const string_view &amalgam);
void _index_room_events(db::txn &, const event &, const opts &);
// room_id | depth, event_idx => node_id
extern db::domain room_events;
}
namespace ircd::m::dbs::desc
{
// room events sequence
extern conf::item<std::string> room_events__comp;
extern conf::item<size_t> room_events__block__size;
extern conf::item<size_t> room_events__meta_block__size;
extern conf::item<size_t> room_events__cache__size;
extern conf::item<size_t> room_events__cache_comp__size;
extern const db::prefix_transform room_events__pfx;
extern const db::comparator room_events__cmp;
extern const db::descriptor room_events;
}