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

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2019-10-06 07:06:10 +02:00
// 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_EVENT_STATE_H
namespace ircd::m::dbs
{
constexpr size_t EVENT_STATE_KEY_MAX_SIZE
{
0
+ event::STATE_KEY_MAX_SIZE
+ event::TYPE_MAX_SIZE
+ id::MAX_SIZE
+ 1
+ 8
+ 8
};
// state_key, type, room_id, depth, event_idx
using event_state_tuple = std::tuple<string_view, string_view, string_view, int64_t, event::idx>;
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string_view event_state_key(const mutable_buffer &out, const event_state_tuple &);
event_state_tuple event_state_key(const string_view &);
void _index_event_state(db::txn &, const event &, const opts &);
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// state_key, type, room_id, depth, event_idx
extern db::domain event_state;
}
namespace ircd::m::dbs::desc
{
// events _event_state
extern conf::item<std::string> event_state__comp;
extern conf::item<size_t> event_state__block__size;
extern conf::item<size_t> event_state__meta_block__size;
extern conf::item<size_t> event_state__cache__size;
extern conf::item<size_t> event_state__cache_comp__size;
extern const db::comparator event_state__cmp;
extern const db::descriptor event_state;
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}