140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
//
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// local/detail/endpoint.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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// Derived from a public domain implementation written by Daniel Casimiro.
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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_LOCAL_DETAIL_ENDPOINT_HPP
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#define ASIO_LOCAL_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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#if defined(ASIO_HAS_LOCAL_SOCKETS)
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#include <cstddef>
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#include <string>
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#include "asio/detail/socket_types.hpp"
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#include "asio/detail/string_view.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace local {
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namespace detail {
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// Helper class for implementing a UNIX domain 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 using the specified path name.
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ASIO_DECL endpoint(const char* path_name);
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// Construct an endpoint using the specified path name.
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ASIO_DECL endpoint(const std::string& path_name);
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#if defined(ASIO_HAS_STRING_VIEW)
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// Construct an endpoint using the specified path name.
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ASIO_DECL endpoint(string_view path_name);
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#endif // defined(ASIO_HAS_STRING_VIEW)
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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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path_length_(other.path_length_)
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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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path_length_ = other.path_length_;
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return *this;
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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 path_length_
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+ offsetof(asio::detail::sockaddr_un_type, sun_path);
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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_un_type);
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}
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// Get the path associated with the endpoint.
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ASIO_DECL std::string path() const;
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// Set the path associated with the endpoint.
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ASIO_DECL void path(const char* p);
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// Set the path associated with the endpoint.
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ASIO_DECL void path(const std::string& p);
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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 UNIX 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_un_type local;
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} data_;
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// The length of the path associated with the endpoint.
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std::size_t path_length_;
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// Initialise with a specified path.
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ASIO_DECL void init(const char* path, std::size_t path_length);
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};
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} // namespace detail
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} // namespace local
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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/local/detail/impl/endpoint.ipp"
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#endif // defined(ASIO_HEADER_ONLY)
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#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
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#endif // ASIO_LOCAL_DETAIL_ENDPOINT_HPP
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