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/Src/Dependencies/Boost/boost/asio/local/detail/endpoint.hpp

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C++ Header | 135 lines | 76 code | 30 blank | 29 comment | 1 complexity | 9d2867ee5a3050277d7cd67d2d0f4be4 MD5 | raw file
  1//
  2// local/detail/endpoint.hpp
  3// ~~~~~~~~~~~~~~~~~~~~~~~~~
  4//
  5// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6// Derived from a public domain implementation written by Daniel Casimiro.
  7//
  8// Distributed under the Boost Software License, Version 1.0. (See accompanying
  9// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 10//
 11
 12#ifndef BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP
 13#define BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP
 14
 15#if defined(_MSC_VER) && (_MSC_VER >= 1200)
 16# pragma once
 17#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 18
 19#include <boost/asio/detail/config.hpp>
 20
 21#if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
 22
 23#include <cstddef>
 24#include <string>
 25#include <boost/asio/detail/socket_types.hpp>
 26
 27#include <boost/asio/detail/push_options.hpp>
 28
 29namespace boost {
 30namespace asio {
 31namespace local {
 32namespace detail {
 33
 34// Helper class for implementing a UNIX domain endpoint.
 35class endpoint
 36{
 37public:
 38  // Default constructor.
 39  BOOST_ASIO_DECL endpoint();
 40
 41  // Construct an endpoint using the specified path name.
 42  BOOST_ASIO_DECL endpoint(const char* path_name);
 43
 44  // Construct an endpoint using the specified path name.
 45  BOOST_ASIO_DECL endpoint(const std::string& path_name);
 46
 47  // Copy constructor.
 48  endpoint(const endpoint& other)
 49    : data_(other.data_),
 50      path_length_(other.path_length_)
 51  {
 52  }
 53
 54  // Assign from another endpoint.
 55  endpoint& operator=(const endpoint& other)
 56  {
 57    data_ = other.data_;
 58    path_length_ = other.path_length_;
 59    return *this;
 60  }
 61
 62  // Get the underlying endpoint in the native type.
 63  boost::asio::detail::socket_addr_type* data()
 64  {
 65    return &data_.base;
 66  }
 67
 68  // Get the underlying endpoint in the native type.
 69  const boost::asio::detail::socket_addr_type* data() const
 70  {
 71    return &data_.base;
 72  }
 73
 74  // Get the underlying size of the endpoint in the native type.
 75  std::size_t size() const
 76  {
 77    return path_length_
 78      + offsetof(boost::asio::detail::sockaddr_un_type, sun_path);
 79  }
 80
 81  // Set the underlying size of the endpoint in the native type.
 82  BOOST_ASIO_DECL void resize(std::size_t size);
 83
 84  // Get the capacity of the endpoint in the native type.
 85  std::size_t capacity() const
 86  {
 87    return sizeof(boost::asio::detail::sockaddr_un_type);
 88  }
 89
 90  // Get the path associated with the endpoint.
 91  BOOST_ASIO_DECL std::string path() const;
 92
 93  // Set the path associated with the endpoint.
 94  BOOST_ASIO_DECL void path(const char* p);
 95
 96  // Set the path associated with the endpoint.
 97  BOOST_ASIO_DECL void path(const std::string& p);
 98
 99  // Compare two endpoints for equality.
100  BOOST_ASIO_DECL friend bool operator==(
101      const endpoint& e1, const endpoint& e2);
102
103  // Compare endpoints for ordering.
104  BOOST_ASIO_DECL friend bool operator<(
105      const endpoint& e1, const endpoint& e2);
106
107private:
108  // The underlying UNIX socket address.
109  union data_union
110  {
111    boost::asio::detail::socket_addr_type base;
112    boost::asio::detail::sockaddr_un_type local;
113  } data_;
114
115  // The length of the path associated with the endpoint.
116  std::size_t path_length_;
117
118  // Initialise with a specified path.
119  BOOST_ASIO_DECL void init(const char* path, std::size_t path_length);
120};
121
122} // namespace detail
123} // namespace local
124} // namespace asio
125} // namespace boost
126
127#include <boost/asio/detail/pop_options.hpp>
128
129#if defined(BOOST_ASIO_HEADER_ONLY)
130# include <boost/asio/local/detail/impl/endpoint.ipp>
131#endif // defined(BOOST_ASIO_HEADER_ONLY)
132
133#endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
134
135#endif // BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP