134 lines
3.1 KiB
C++
134 lines
3.1 KiB
C++
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//
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// generic/detail/endpoint.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_GENERIC_DETAIL_ENDPOINT_HPP
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#define ASIO_GENERIC_DETAIL_ENDPOINT_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#include <cstddef>
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#include "asio/detail/socket_types.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace generic {
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namespace detail {
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// Helper class for implementing a generic socket endpoint.
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class endpoint
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{
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public:
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// Default constructor.
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ASIO_DECL endpoint();
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// Construct an endpoint from the specified raw bytes.
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ASIO_DECL endpoint(const void* sock_addr,
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std::size_t sock_addr_size, int sock_protocol);
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// Copy constructor.
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endpoint(const endpoint& other)
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: data_(other.data_),
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size_(other.size_),
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protocol_(other.protocol_)
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{
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}
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// Assign from another endpoint.
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endpoint& operator=(const endpoint& other)
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{
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data_ = other.data_;
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size_ = other.size_;
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protocol_ = other.protocol_;
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return *this;
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}
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// Get the address family associated with the endpoint.
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int family() const
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{
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return data_.base.sa_family;
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}
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// Get the socket protocol associated with the endpoint.
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int protocol() const
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{
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return protocol_;
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}
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// Get the underlying endpoint in the native type.
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asio::detail::socket_addr_type* data()
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{
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return &data_.base;
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}
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// Get the underlying endpoint in the native type.
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const asio::detail::socket_addr_type* data() const
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{
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return &data_.base;
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}
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// Get the underlying size of the endpoint in the native type.
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std::size_t size() const
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{
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return size_;
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}
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// Set the underlying size of the endpoint in the native type.
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ASIO_DECL void resize(std::size_t size);
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// Get the capacity of the endpoint in the native type.
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std::size_t capacity() const
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{
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return sizeof(asio::detail::sockaddr_storage_type);
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}
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// Compare two endpoints for equality.
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ASIO_DECL friend bool operator==(
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const endpoint& e1, const endpoint& e2);
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// Compare endpoints for ordering.
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ASIO_DECL friend bool operator<(
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const endpoint& e1, const endpoint& e2);
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private:
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// The underlying socket address.
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union data_union
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{
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asio::detail::socket_addr_type base;
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asio::detail::sockaddr_storage_type generic;
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} data_;
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// The length of the socket address stored in the endpoint.
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std::size_t size_;
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// The socket protocol associated with the endpoint.
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int protocol_;
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// Initialise with a specified memory.
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ASIO_DECL void init(const void* sock_addr,
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std::size_t sock_addr_size, int sock_protocol);
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};
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} // namespace detail
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} // namespace generic
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#if defined(ASIO_HEADER_ONLY)
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# include "asio/generic/detail/impl/endpoint.ipp"
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#endif // defined(ASIO_HEADER_ONLY)
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#endif // ASIO_GENERIC_DETAIL_ENDPOINT_HPP
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