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construct/include/ircd/net/hostport.h

95 lines
2.5 KiB
C++

/*
* Copyright (C) 2017 Charybdis Development Team
* Copyright (C) 2017 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_NET_HOSTPORT_H
namespace ircd::net
{
struct hostport;
uint16_t port(const hostport &);
const auto &host(const hostport &);
auto &host(hostport &);
string_view string(const mutable_buffer &out, const hostport &);
}
namespace ircd
{
using net::hostport;
using net::host;
}
/// This structure holds a hostname and port usually fresh from user input
/// intended for resolution.
///
/// The host can be specified as a hostname or hostname:port string. If no
/// port argument is specified and no port is present in the host string
/// then 8448 is assumed.
///
struct ircd::net::hostport
{
string_view host {"0.0.0.0"};
string_view port {"8448"};
uint16_t portnum {0};
hostport(const string_view &host, const string_view &port)
:host{host}
,port{port}
{}
hostport(const string_view &host, const uint16_t &portnum)
:host{host}
,port{}
,portnum{portnum}
{}
hostport(const string_view &amalgam)
:host{rsplit(amalgam, ':').first}
,port{amalgam != host? rsplit(amalgam, ':').second : "8448"}
{}
hostport() = default;
friend std::ostream &operator<<(std::ostream &, const hostport &);
};
inline auto &
ircd::net::host(hostport &hp)
{
return hp.host;
}
inline const auto &
ircd::net::host(const hostport &hp)
{
return hp.host;
}
inline uint16_t
ircd::net::port(const hostport &hp)
{
return hp.portnum? hp.portnum:
hp.port? lex_cast<uint16_t>(hp.port):
0;
}