mirror of
https://github.com/matrix-construct/construct
synced 2024-09-06 16:55:22 +02:00
174 lines
3.9 KiB
C++
174 lines
3.9 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_NET_HOSTPORT_H
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namespace ircd::net
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{
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struct hostport;
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// abstraction bleed
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extern const uint16_t canon_port;
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extern const string_view canon_service;
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const uint16_t &port(const hostport &);
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const string_view &host(const hostport &);
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const string_view &service(const hostport &);
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uint16_t &port(hostport &);
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string_view &host(hostport &);
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string_view &service(hostport &);
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string_view string(const mutable_buffer &out, const hostport &);
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string_view canonize(const mutable_buffer &out, const hostport &);
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std::string canonize(const hostport &);
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std::ostream &operator<<(std::ostream &, const hostport &);
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}
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namespace ircd
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{
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using net::hostport;
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using net::host;
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}
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/// This structure holds a hostname and service or port usually fresh from
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/// user input intended for resolution.
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///
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/// The host can be passed to the constructor as a hostname or hostname:port
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/// string.
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///
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/// The service field is a string which will trigger an SRV query during
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/// resolution and/or be used to figure out the port number. If it is omitted
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/// then the numerical port should be specified directly. If it exists then
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/// the numerical port will only be used as a fallback, and an SRV response
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/// with an alternative port may even override both the host and given
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/// numerical port here.
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///
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struct ircd::net::hostport
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{
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IRCD_OVERLOAD(verbatim)
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string_view host;
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string_view service;
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uint16_t port {0};
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explicit operator bool() const;
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bool operator!() const;
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hostport(const string_view &host, const string_view &service, const uint16_t &port = 0);
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hostport(const string_view &host, const uint16_t &port);
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hostport(const string_view &amalgam);
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hostport(const string_view &amalgam, verbatim_t);
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explicit hostport(const rfc3986::uri &);
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hostport() = default;
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};
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/// Creates a host:service pair from a hostname and a service name string.
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/// When passed to net::dns() this will indicate SRV resolution. If no
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/// SRV record is found.
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inline
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ircd::net::hostport::hostport(const string_view &host,
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const string_view &service,
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const uint16_t &port)
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:host
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{
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rfc3986::host(host)
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}
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,service
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{
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service
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}
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,port
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{
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port
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}
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{}
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/// Constructs from an rfc3986 URI i.e https://foo.com or https://foo.com:8080
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inline
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ircd::net::hostport::hostport(const rfc3986::uri &uri)
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:host
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{
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rfc3986::host(uri.remote)
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}
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,service
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{
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uri.scheme
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}
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,port
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{
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rfc3986::port(uri.remote)
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}
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{}
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/// Creates a host:port pair from a hostname and a port number. When
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/// passed to net::dns() no SRV resolution will be done because no
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/// service name has been given. (unless manually optioned when using
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/// net::dns).
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inline
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ircd::net::hostport::hostport(const string_view &host,
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const uint16_t &port)
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:hostport
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{
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host, string_view{}, port
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}
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{}
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inline
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ircd::net::hostport::operator
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bool()
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const
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{
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return bool(host);
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}
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inline bool
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ircd::net::hostport::operator!()
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const
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{
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return !bool(*this);
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}
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inline ircd::string_view &
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ircd::net::service(hostport &hp)
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{
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return hp.service;
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}
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inline ircd::string_view &
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ircd::net::host(hostport &hp)
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{
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return hp.host;
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}
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inline uint16_t &
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ircd::net::port(hostport &hp)
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{
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return hp.port;
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}
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inline const ircd::string_view &
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ircd::net::service(const hostport &hp)
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{
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return hp.service;
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}
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inline const ircd::string_view &
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ircd::net::host(const hostport &hp)
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{
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return hp.host;
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}
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inline const uint16_t &
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ircd::net::port(const hostport &hp)
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{
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return hp.port;
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}
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