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

47 lines
2 KiB
C++

// 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_STATE_SPACE_H
namespace ircd::m::dbs
{
using room_state_space_key_parts = std::tuple<string_view, string_view, int64_t, event::idx>;
constexpr size_t ROOM_STATE_SPACE_KEY_MAX_SIZE
{
id::MAX_SIZE +
event::TYPE_MAX_SIZE +
event::STATE_KEY_MAX_SIZE +
sizeof(int64_t) +
sizeof(event::idx)
};
string_view room_state_space_key(const mutable_buffer &out, const id::room &, const string_view &type, const string_view &state_key, const int64_t &depth, const event::idx & = 0);
string_view room_state_space_key(const mutable_buffer &out, const id::room &, const string_view &type, const string_view &state_key);
string_view room_state_space_key(const mutable_buffer &out, const id::room &, const string_view &type);
string_view room_state_space_key(const mutable_buffer &out, const id::room &);
room_state_space_key_parts room_state_space_key(const string_view &amalgam);
// room_id | type, state_key, depth, event_idx => --
extern db::domain room_state_space;
}
namespace ircd::m::dbs::desc
{
extern conf::item<size_t> events__room_state_space__block__size;
extern conf::item<size_t> events__room_state_space__meta_block__size;
extern conf::item<size_t> events__room_state_space__cache__size;
extern conf::item<size_t> events__room_state_space__cache_comp__size;
extern conf::item<size_t> events__room_state_space__bloom__bits;
extern const db::prefix_transform events__room_state_space__pfx;
extern const db::comparator events__room_state_space__cmp;
extern const db::descriptor events__room_state_space;
}