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construct/include/ircd/m/room/aliases.h

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2019-03-30 23:53:40 +01:00
// 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_ROOM_MEMBERS_H
/// Interface to the aliases
///
/// This interface focuses specifically on room aliases. These are aliases
/// contained in a room's state. There is also an aliases::cache which stores
/// the result of directory lookups as well as the contents found through this
/// interface in order to resolve aliases to room_ids.
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///
struct ircd::m::room::aliases
{
struct cache;
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using closure_bool = std::function<bool (const alias &)>;
static bool for_each(const m::room &, const string_view &server, const closure_bool &);
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m::room room;
public:
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bool for_each(const string_view &server, const closure_bool &) const;
bool for_each(const closure_bool &) const;
bool has(const alias &) const;
size_t count(const string_view &server) const;
size_t count() const;
aliases(const m::room &room)
:room{room}
{}
};
struct ircd::m::room::aliases::cache
{
struct entity;
using closure_bool = std::function<bool (const alias &, const id &)>;
static string_view make_key(const mutable_buffer &, const alias &);
static event::idx getidx(const alias &); // nothrow
static milliseconds age(const event::idx &); // nothrow
static bool expired(const event::idx &); // nothrow
public:
static system_point expires(const alias &);
static bool has(const alias &);
static bool for_each(const string_view &server, const closure_bool &);
static bool for_each(const closure_bool &);
static void fetch(const alias &, const net::hostport &remote);
static bool fetch(std::nothrow_t, const alias &, const net::hostport &remote);
static bool get(std::nothrow_t, const alias &, const id::closure &);
static void get(const alias &, const id::closure &);
static id::buf get(std::nothrow_t, const alias &);
static id::buf get(const alias &);
static bool set(const alias &, const id &);
static bool del(const alias &);
};