ceph/src/boost/libs/asio/include/boost/asio/ip/detail/endpoint.hpp

   1 //
   2 // ip/detail/endpoint.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_IP_DETAIL_ENDPOINT_HPP
  12 #define BOOST_ASIO_IP_DETAIL_ENDPOINT_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <string>
  20 #include <boost/asio/detail/socket_types.hpp>
  21 #include <boost/asio/detail/winsock_init.hpp>
  22 #include <boost/system/error_code.hpp>
  23 #include <boost/asio/ip/address.hpp>
  24
  25 #include <boost/asio/detail/push_options.hpp>
  26
  27 namespace boost {
  28 namespace asio {
  29 namespace ip {
  30 namespace detail {
  31
  32 // Helper class for implementating an IP endpoint.
  33 class endpoint
  34 {
  35 public:
  36   // Default constructor.
  37   BOOST_ASIO_DECL endpoint();
  38
  39   // Construct an endpoint using a family and port number.
  40   BOOST_ASIO_DECL endpoint(int family, unsigned short port_num);
  41
  42   // Construct an endpoint using an address and port number.
  43   BOOST_ASIO_DECL endpoint(const boost::asio::ip::address& addr,
  44       unsigned short port_num);
  45
  46   // Copy constructor.
  47   endpoint(const endpoint& other)
  48     : data_(other.data_)
  49   {
  50   }
  51
  52   // Assign from another endpoint.
  53   endpoint& operator=(const endpoint& other)
  54   {
  55     data_ = other.data_;
  56     return *this;
  57   }
  58
  59   // Get the underlying endpoint in the native type.
  60   boost::asio::detail::socket_addr_type* data()
  61   {
  62     return &data_.base;
  63   }
  64
  65   // Get the underlying endpoint in the native type.
  66   const boost::asio::detail::socket_addr_type* data() const
  67   {
  68     return &data_.base;
  69   }
  70
  71   // Get the underlying size of the endpoint in the native type.
  72   std::size_t size() const
  73   {
  74     if (is_v4())
  75       return sizeof(boost::asio::detail::sockaddr_in4_type);
  76     else
  77       return sizeof(boost::asio::detail::sockaddr_in6_type);
  78   }
  79
  80   // Set the underlying size of the endpoint in the native type.
  81   BOOST_ASIO_DECL void resize(std::size_t new_size);
  82
  83   // Get the capacity of the endpoint in the native type.
  84   std::size_t capacity() const
  85   {
  86     return sizeof(data_);
  87   }
  88
  89   // Get the port associated with the endpoint.
  90   BOOST_ASIO_DECL unsigned short port() const;
  91
  92   // Set the port associated with the endpoint.
  93   BOOST_ASIO_DECL void port(unsigned short port_num);
  94
  95   // Get the IP address associated with the endpoint.
  96   BOOST_ASIO_DECL boost::asio::ip::address address() const;
  97
  98   // Set the IP address associated with the endpoint.
  99   BOOST_ASIO_DECL void address(const boost::asio::ip::address& addr);
 100
 101   // Compare two endpoints for equality.
 102   BOOST_ASIO_DECL friend bool operator==(
 103       const endpoint& e1, const endpoint& e2);
 104
 105   // Compare endpoints for ordering.
 106   BOOST_ASIO_DECL friend bool operator<(
 107       const endpoint& e1, const endpoint& e2);
 108
 109   // Determine whether the endpoint is IPv4.
 110   bool is_v4() const
 111   {
 112     return data_.base.sa_family == BOOST_ASIO_OS_DEF(AF_INET);
 113   }
 114
 115 #if !defined(BOOST_ASIO_NO_IOSTREAM)
 116   // Convert to a string.
 117   BOOST_ASIO_DECL std::string to_string(boost::system::error_code& ec) const;
 118 #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
 119
 120 private:
 121   // The underlying IP socket address.
 122   union data_union
 123   {
 124     boost::asio::detail::socket_addr_type base;
 125     boost::asio::detail::sockaddr_in4_type v4;
 126     boost::asio::detail::sockaddr_in6_type v6;
 127   } data_;
 128 };
 129
 130 } // namespace detail
 131 } // namespace ip
 132 } // namespace asio
 133 } // namespace boost
 134
 135 #include <boost/asio/detail/pop_options.hpp>
 136
 137 #if defined(BOOST_ASIO_HEADER_ONLY)
 138 # include <boost/asio/ip/detail/impl/endpoint.ipp>
 139 #endif // defined(BOOST_ASIO_HEADER_ONLY)
 140
 141 #endif // BOOST_ASIO_IP_DETAIL_ENDPOINT_HPP