mirror of
https://github.com/matrix-construct/construct
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112 lines
3.1 KiB
C++
112 lines
3.1 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_NODE_H
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namespace ircd::m
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{
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struct node;
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extern room nodes;
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bool my(const node &);
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bool exists(const node &);
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node create(const node &, const json::members &args = {});
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}
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/// A node is an entity (lay: a server) participating in the matrix system. The
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/// node may be a peer (ircd::server::peer) which is directly connected or it
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/// may be indirect. The node may be a matrix "origin" or it may be a member
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/// of a cluster perusing under the same origin.
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///
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/// First consider the node_id, which has the sigil ':'. A node which addresses
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/// an origin as a whole has the mxid `::domain.tld` which has an empty
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/// localpart. A node which is concerned with some entity within an origin has
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/// an mxid `:somename:domain.tld`. This is essential for clustered multihoming
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/// of our origin. Note that remote origins are supposed to be opaque, so there
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/// is no real case for addressing a sub-entity other than ours.
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///
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struct ircd::m::node
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{
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struct room;
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struct keys;
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struct mitsein;
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string_view node_id;
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node(const string_view &node_id);
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node() = default;
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};
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/// Every node has its own room acting as a database and log mechanism
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/// for this node. This is similar to the user::room.
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//
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struct ircd::m::node::room
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:m::room
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{
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m::node node;
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id::room::buf room_id;
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room(const m::node &node);
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room() = default;
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room(const room &) = delete;
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room &operator=(const room &) = delete;
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};
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/// Interface to federation keys for the node (convenience wrappings of
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/// m::keys).
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struct ircd::m::node::keys
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{
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using ed25519_closure = std::function<void (const ed25519::pk &)>;
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using key_closure = std::function<void (const json::string &)>;
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m::node node;
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bool get(const string_view &key_id, const ed25519_closure &) const;
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bool get(const string_view &key_id, const key_closure &) const;
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keys(const m::node &node)
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:node{node}
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{}
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};
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/// Interface to the other nodes visible to a node from common rooms.
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struct ircd::m::node::mitsein
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{
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using closure = std::function<bool (const string_view &, const m::room &)>;
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m::node node;
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public:
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// All common rooms with node
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bool for_each(const m::node &, const string_view &membership, const closure &) const;
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bool for_each(const m::node &, const closure &) const;
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// Counting convenience
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size_t count(const m::node &, const string_view &membership = {}) const;
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// Existential convenience (does `node` and `other` share any common room).
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bool has(const m::node &other, const string_view &membership = {}) const;
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mitsein(const m::node &node)
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:node{node}
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{}
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};
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inline
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ircd::m::node::node(const string_view &node_id)
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:node_id
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{
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node_id
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}
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{
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rfc3986::valid_remote(node_id);
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}
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