endpoint.hpp
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//
// ip/detail/endpoint.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 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_DETAIL_ENDPOINT_HPP
#define ASIO_IP_DETAIL_ENDPOINT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include <string>
#include "asio/detail/socket_types.hpp"
#include "asio/detail/winsock_init.hpp"
#include "asio/error_code.hpp"
#include "asio/ip/address.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ip {
namespace detail {
// Helper class for implementating an IP endpoint.
class endpoint
{
public:
// Default constructor.
ASIO_DECL endpoint() ASIO_NOEXCEPT;
// Construct an endpoint using a family and port number.
ASIO_DECL endpoint(int family,
unsigned short port_num) ASIO_NOEXCEPT;
// Construct an endpoint using an address and port number.
ASIO_DECL endpoint(const asio::ip::address& addr,
unsigned short port_num) ASIO_NOEXCEPT;
// Copy constructor.
endpoint(const endpoint& other) ASIO_NOEXCEPT
: data_(other.data_)
{
}
// Assign from another endpoint.
endpoint& operator=(const endpoint& other) ASIO_NOEXCEPT
{
data_ = other.data_;
return *this;
}
// Get the underlying endpoint in the native type.
asio::detail::socket_addr_type* data() ASIO_NOEXCEPT
{
return &data_.base;
}
// Get the underlying endpoint in the native type.
const asio::detail::socket_addr_type* data() const ASIO_NOEXCEPT
{
return &data_.base;
}
// Get the underlying size of the endpoint in the native type.
std::size_t size() const ASIO_NOEXCEPT
{
if (is_v4())
return sizeof(asio::detail::sockaddr_in4_type);
else
return sizeof(asio::detail::sockaddr_in6_type);
}
// Set the underlying size of the endpoint in the native type.
ASIO_DECL void resize(std::size_t new_size);
// Get the capacity of the endpoint in the native type.
std::size_t capacity() const ASIO_NOEXCEPT
{
return sizeof(data_);
}
// Get the port associated with the endpoint.
ASIO_DECL unsigned short port() const ASIO_NOEXCEPT;
// Set the port associated with the endpoint.
ASIO_DECL void port(unsigned short port_num) ASIO_NOEXCEPT;
// Get the IP address associated with the endpoint.
ASIO_DECL asio::ip::address address() const ASIO_NOEXCEPT;
// Set the IP address associated with the endpoint.
ASIO_DECL void address(
const asio::ip::address& addr) ASIO_NOEXCEPT;
// Compare two endpoints for equality.
ASIO_DECL friend bool operator==(const endpoint& e1,
const endpoint& e2) ASIO_NOEXCEPT;
// Compare endpoints for ordering.
ASIO_DECL friend bool operator<(const endpoint& e1,
const endpoint& e2) ASIO_NOEXCEPT;
// Determine whether the endpoint is IPv4.
bool is_v4() const ASIO_NOEXCEPT
{
return data_.base.sa_family == ASIO_OS_DEF(AF_INET);
}
#if !defined(ASIO_NO_IOSTREAM)
// Convert to a string.
ASIO_DECL std::string to_string() const;
#endif // !defined(ASIO_NO_IOSTREAM)
private:
// The underlying IP socket address.
union data_union
{
asio::detail::socket_addr_type base;
asio::detail::sockaddr_in4_type v4;
asio::detail::sockaddr_in6_type v6;
} data_;
};
} // namespace detail
} // namespace ip
} // namespace asio
#include "asio/detail/pop_options.hpp"
#if defined(ASIO_HEADER_ONLY)
# include "asio/ip/detail/impl/endpoint.ipp"
#endif // defined(ASIO_HEADER_ONLY)
#endif // ASIO_IP_DETAIL_ENDPOINT_HPP