Insane_DNS/libraries/asio-1.28.1/include/asio/ip/basic_endpoint.hpp

292 lines
7.6 KiB
C++

//
// ip/basic_endpoint.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_IP_BASIC_ENDPOINT_HPP
#define ASIO_IP_BASIC_ENDPOINT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/cstdint.hpp"
#include "asio/ip/address.hpp"
#include "asio/ip/detail/endpoint.hpp"
#if defined(ASIO_HAS_STD_HASH)
# include <functional>
#endif // defined(ASIO_HAS_STD_HASH)
#if !defined(ASIO_NO_IOSTREAM)
# include <iosfwd>
#endif // !defined(ASIO_NO_IOSTREAM)
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ip {
/// Type used for storing port numbers.
typedef uint_least16_t port_type;
/// Describes an endpoint for a version-independent IP socket.
/**
* The asio::ip::basic_endpoint class template describes an endpoint that
* may be associated with a particular socket.
*
* @par Thread Safety
* @e Distinct @e objects: Safe.@n
* @e Shared @e objects: Unsafe.
*
* @par Concepts:
* Endpoint.
*/
template <typename InternetProtocol>
class basic_endpoint
{
public:
/// The protocol type associated with the endpoint.
typedef InternetProtocol protocol_type;
/// The type of the endpoint structure. This type is dependent on the
/// underlying implementation of the socket layer.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined data_type;
#else
typedef asio::detail::socket_addr_type data_type;
#endif
/// Default constructor.
basic_endpoint() ASIO_NOEXCEPT
: impl_()
{
}
/// Construct an endpoint using a port number, specified in the host's byte
/// order. The IP address will be the any address (i.e. INADDR_ANY or
/// in6addr_any). This constructor would typically be used for accepting new
/// connections.
/**
* @par Examples
* To initialise an IPv4 TCP endpoint for port 1234, use:
* @code
* asio::ip::tcp::endpoint ep(asio::ip::tcp::v4(), 1234);
* @endcode
*
* To specify an IPv6 UDP endpoint for port 9876, use:
* @code
* asio::ip::udp::endpoint ep(asio::ip::udp::v6(), 9876);
* @endcode
*/
basic_endpoint(const InternetProtocol& internet_protocol,
port_type port_num) ASIO_NOEXCEPT
: impl_(internet_protocol.family(), port_num)
{
}
/// Construct an endpoint using a port number and an IP address. This
/// constructor may be used for accepting connections on a specific interface
/// or for making a connection to a remote endpoint.
basic_endpoint(const asio::ip::address& addr,
port_type port_num) ASIO_NOEXCEPT
: impl_(addr, port_num)
{
}
/// Copy constructor.
basic_endpoint(const basic_endpoint& other) ASIO_NOEXCEPT
: impl_(other.impl_)
{
}
#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Move constructor.
basic_endpoint(basic_endpoint&& other) ASIO_NOEXCEPT
: impl_(other.impl_)
{
}
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Assign from another endpoint.
basic_endpoint& operator=(const basic_endpoint& other) ASIO_NOEXCEPT
{
impl_ = other.impl_;
return *this;
}
#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Move-assign from another endpoint.
basic_endpoint& operator=(basic_endpoint&& other) ASIO_NOEXCEPT
{
impl_ = other.impl_;
return *this;
}
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// The protocol associated with the endpoint.
protocol_type protocol() const ASIO_NOEXCEPT
{
if (impl_.is_v4())
return InternetProtocol::v4();
return InternetProtocol::v6();
}
/// Get the underlying endpoint in the native type.
data_type* data() ASIO_NOEXCEPT
{
return impl_.data();
}
/// Get the underlying endpoint in the native type.
const data_type* data() const ASIO_NOEXCEPT
{
return impl_.data();
}
/// Get the underlying size of the endpoint in the native type.
std::size_t size() const ASIO_NOEXCEPT
{
return impl_.size();
}
/// Set the underlying size of the endpoint in the native type.
void resize(std::size_t new_size)
{
impl_.resize(new_size);
}
/// Get the capacity of the endpoint in the native type.
std::size_t capacity() const ASIO_NOEXCEPT
{
return impl_.capacity();
}
/// Get the port associated with the endpoint. The port number is always in
/// the host's byte order.
port_type port() const ASIO_NOEXCEPT
{
return impl_.port();
}
/// Set the port associated with the endpoint. The port number is always in
/// the host's byte order.
void port(port_type port_num) ASIO_NOEXCEPT
{
impl_.port(port_num);
}
/// Get the IP address associated with the endpoint.
asio::ip::address address() const ASIO_NOEXCEPT
{
return impl_.address();
}
/// Set the IP address associated with the endpoint.
void address(const asio::ip::address& addr) ASIO_NOEXCEPT
{
impl_.address(addr);
}
/// Compare two endpoints for equality.
friend bool operator==(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return e1.impl_ == e2.impl_;
}
/// Compare two endpoints for inequality.
friend bool operator!=(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return !(e1 == e2);
}
/// Compare endpoints for ordering.
friend bool operator<(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return e1.impl_ < e2.impl_;
}
/// Compare endpoints for ordering.
friend bool operator>(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return e2.impl_ < e1.impl_;
}
/// Compare endpoints for ordering.
friend bool operator<=(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return !(e2 < e1);
}
/// Compare endpoints for ordering.
friend bool operator>=(const basic_endpoint<InternetProtocol>& e1,
const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
{
return !(e1 < e2);
}
private:
// The underlying IP endpoint.
asio::ip::detail::endpoint impl_;
};
#if !defined(ASIO_NO_IOSTREAM)
/// Output an endpoint as a string.
/**
* Used to output a human-readable string for a specified endpoint.
*
* @param os The output stream to which the string will be written.
*
* @param endpoint The endpoint to be written.
*
* @return The output stream.
*
* @relates asio::ip::basic_endpoint
*/
template <typename Elem, typename Traits, typename InternetProtocol>
std::basic_ostream<Elem, Traits>& operator<<(
std::basic_ostream<Elem, Traits>& os,
const basic_endpoint<InternetProtocol>& endpoint);
#endif // !defined(ASIO_NO_IOSTREAM)
} // namespace ip
} // namespace asio
#if defined(ASIO_HAS_STD_HASH)
namespace std {
template <typename InternetProtocol>
struct hash<asio::ip::basic_endpoint<InternetProtocol> >
{
std::size_t operator()(
const asio::ip::basic_endpoint<InternetProtocol>& ep)
const ASIO_NOEXCEPT
{
std::size_t hash1 = std::hash<asio::ip::address>()(ep.address());
std::size_t hash2 = std::hash<unsigned short>()(ep.port());
return hash1 ^ (hash2 + 0x9e3779b9 + (hash1 << 6) + (hash1 >> 2));
}
};
} // namespace std
#endif // defined(ASIO_HAS_STD_HASH)
#include "asio/detail/pop_options.hpp"
#include "asio/ip/impl/basic_endpoint.hpp"
#endif // ASIO_IP_BASIC_ENDPOINT_HPP