mirror of
https://github.com/matrix-construct/construct
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43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_M_ROOM_ORIGINS_H
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/// Interface to the origins (autonomous systems) of a room
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///
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/// This interface focuses specifically on the origins (from the field in the
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/// event object) which are servers/networks/autonomous systems, or something.
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/// Messages have to be sent to them, and an efficient iteration of the
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/// origins as provided by this interface helps with that.
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///
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struct ircd::m::room::origins
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{
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using closure = std::function<void (const string_view &)>;
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using closure_bool = std::function<bool (const string_view &)>;
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m::room room;
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bool _for_each_(const closure_bool &view) const;
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bool for_each(const closure_bool &view) const;
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void for_each(const closure &view) const;
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bool has(const string_view &origin) const;
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bool only(const string_view &origin) const;
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size_t count() const;
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// select an origin in the room at random; use proffer to refuse and try another.
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static bool random(const origins &, const closure &, const closure_bool &);
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string_view random(const mutable_buffer &buf, const closure_bool &proffer = nullptr) const;
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bool random(const closure &, const closure_bool &proffer = nullptr) const;
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origins(const m::room &room)
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:room{room}
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{}
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};
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