mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 18:22:50 +01:00
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 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_NET_DNS_H
|
|
|
|
namespace ircd::net
|
|
{
|
|
struct dns extern dns;
|
|
}
|
|
|
|
/// DNS resolution suite.
|
|
///
|
|
/// This is a singleton class; public usage is to make calls on the singleton
|
|
/// object like `ircd::net::dns()` etc.
|
|
///
|
|
struct ircd::net::dns
|
|
{
|
|
struct resolver;
|
|
|
|
struct resolver static *resolver;
|
|
|
|
public:
|
|
enum flag :uint;
|
|
|
|
using callback_one = std::function<void (std::exception_ptr, const ipport &)>;
|
|
using callback_many = std::function<void (std::exception_ptr, vector_view<const ipport>)>;
|
|
using callback_reverse = std::function<void (std::exception_ptr, const string_view &)>;
|
|
|
|
// Callback-based interface
|
|
void operator()(const ipport &, callback_reverse);
|
|
void operator()(const hostport &, callback_many);
|
|
void operator()(const hostport &, callback_one);
|
|
|
|
// Future-based interface
|
|
ctx::future<ipport> operator()(const hostport &);
|
|
ctx::future<std::string> operator()(const ipport &);
|
|
};
|
|
|
|
enum ircd::net::dns::flag
|
|
:uint
|
|
{
|
|
|
|
};
|