boost/asio/local/detail/endpoint.hpp
//
// local/detail/endpoint.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Derived from a public domain implementation written by Daniel Casimiro.
//
// 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 BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP
#define BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
#include <cstddef>
#include <string>
#include <boost/asio/detail/socket_types.hpp>
#include <boost/asio/detail/string_view.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace local {
namespace detail {
// Helper class for implementing a UNIX domain endpoint.
class endpoint
{
public:
// Default constructor.
BOOST_ASIO_DECL endpoint();
// Construct an endpoint using the specified path name.
BOOST_ASIO_DECL endpoint(const char* path_name);
// Construct an endpoint using the specified path name.
BOOST_ASIO_DECL endpoint(const std::string& path_name);
#if defined(BOOST_ASIO_HAS_STRING_VIEW)
// Construct an endpoint using the specified path name.
BOOST_ASIO_DECL endpoint(string_view path_name);
#endif // defined(BOOST_ASIO_HAS_STRING_VIEW)
// Copy constructor.
endpoint(const endpoint& other)
: data_(other.data_),
path_length_(other.path_length_)
{
}
// Assign from another endpoint.
endpoint& operator=(const endpoint& other)
{
data_ = other.data_;
path_length_ = other.path_length_;
return *this;
}
// Get the underlying endpoint in the native type.
boost::asio::detail::socket_addr_type* data()
{
return &data_.base;
}
// Get the underlying endpoint in the native type.
const boost::asio::detail::socket_addr_type* data() const
{
return &data_.base;
}
// Get the underlying size of the endpoint in the native type.
std::size_t size() const
{
return path_length_
+ offsetof(boost::asio::detail::sockaddr_un_type, sun_path);
}
// Set the underlying size of the endpoint in the native type.
BOOST_ASIO_DECL void resize(std::size_t size);
// Get the capacity of the endpoint in the native type.
std::size_t capacity() const
{
return sizeof(boost::asio::detail::sockaddr_un_type);
}
// Get the path associated with the endpoint.
BOOST_ASIO_DECL std::string path() const;
// Set the path associated with the endpoint.
BOOST_ASIO_DECL void path(const char* p);
// Set the path associated with the endpoint.
BOOST_ASIO_DECL void path(const std::string& p);
// Compare two endpoints for equality.
BOOST_ASIO_DECL friend bool operator==(
const endpoint& e1, const endpoint& e2);
// Compare endpoints for ordering.
BOOST_ASIO_DECL friend bool operator<(
const endpoint& e1, const endpoint& e2);
private:
// The underlying UNIX socket address.
union data_union
{
boost::asio::detail::socket_addr_type base;
boost::asio::detail::sockaddr_un_type local;
} data_;
// The length of the path associated with the endpoint.
std::size_t path_length_;
// Initialise with a specified path.
BOOST_ASIO_DECL void init(const char* path, std::size_t path_length);
};
} // namespace detail
} // namespace local
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#if defined(BOOST_ASIO_HEADER_ONLY)
# include <boost/asio/local/detail/impl/endpoint.ipp>
#endif // defined(BOOST_ASIO_HEADER_ONLY)
#endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
#endif // BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP