ceph/src/boost/boost/asio/ip/detail/impl/endpoint.ipp

   1 //
   2 // ip/detail/impl/endpoint.ipp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 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_IMPL_ENDPOINT_IPP
  12 #define BOOST_ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP
  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 <cstring>
  20 #if !defined(BOOST_ASIO_NO_IOSTREAM)
  21 # include <sstream>
  22 #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
  23 #include <boost/asio/detail/socket_ops.hpp>
  24 #include <boost/asio/detail/throw_error.hpp>
  25 #include <boost/asio/error.hpp>
  26 #include <boost/asio/ip/detail/endpoint.hpp>
  27
  28 #include <boost/asio/detail/push_options.hpp>
  29
  30 namespace boost {
  31 namespace asio {
  32 namespace ip {
  33 namespace detail {
  34
  35 endpoint::endpoint() BOOST_ASIO_NOEXCEPT
  36   : data_()
  37 {
  38   data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET);
  39   data_.v4.sin_port = 0;
  40   data_.v4.sin_addr.s_addr = BOOST_ASIO_OS_DEF(INADDR_ANY);
  41 }
  42
  43 endpoint::endpoint(int family, unsigned short port_num) BOOST_ASIO_NOEXCEPT
  44   : data_()
  45 {
  46   using namespace std; // For memcpy.
  47   if (family == BOOST_ASIO_OS_DEF(AF_INET))
  48   {
  49     data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET);
  50     data_.v4.sin_port =
  51       boost::asio::detail::socket_ops::host_to_network_short(port_num);
  52     data_.v4.sin_addr.s_addr = BOOST_ASIO_OS_DEF(INADDR_ANY);
  53   }
  54   else
  55   {
  56     data_.v6.sin6_family = BOOST_ASIO_OS_DEF(AF_INET6);
  57     data_.v6.sin6_port =
  58       boost::asio::detail::socket_ops::host_to_network_short(port_num);
  59     data_.v6.sin6_flowinfo = 0;
  60     data_.v6.sin6_addr.s6_addr[0] = 0; data_.v6.sin6_addr.s6_addr[1] = 0;
  61     data_.v6.sin6_addr.s6_addr[2] = 0; data_.v6.sin6_addr.s6_addr[3] = 0;
  62     data_.v6.sin6_addr.s6_addr[4] = 0; data_.v6.sin6_addr.s6_addr[5] = 0;
  63     data_.v6.sin6_addr.s6_addr[6] = 0; data_.v6.sin6_addr.s6_addr[7] = 0;
  64     data_.v6.sin6_addr.s6_addr[8] = 0; data_.v6.sin6_addr.s6_addr[9] = 0;
  65     data_.v6.sin6_addr.s6_addr[10] = 0; data_.v6.sin6_addr.s6_addr[11] = 0;
  66     data_.v6.sin6_addr.s6_addr[12] = 0; data_.v6.sin6_addr.s6_addr[13] = 0;
  67     data_.v6.sin6_addr.s6_addr[14] = 0; data_.v6.sin6_addr.s6_addr[15] = 0;
  68     data_.v6.sin6_scope_id = 0;
  69   }
  70 }
  71
  72 endpoint::endpoint(const boost::asio::ip::address& addr,
  73     unsigned short port_num) BOOST_ASIO_NOEXCEPT
  74   : data_()
  75 {
  76   using namespace std; // For memcpy.
  77   if (addr.is_v4())
  78   {
  79     data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET);
  80     data_.v4.sin_port =
  81       boost::asio::detail::socket_ops::host_to_network_short(port_num);
  82     data_.v4.sin_addr.s_addr =
  83       boost::asio::detail::socket_ops::host_to_network_long(
  84         addr.to_v4().to_uint());
  85   }
  86   else
  87   {
  88     data_.v6.sin6_family = BOOST_ASIO_OS_DEF(AF_INET6);
  89     data_.v6.sin6_port =
  90       boost::asio::detail::socket_ops::host_to_network_short(port_num);
  91     data_.v6.sin6_flowinfo = 0;
  92     boost::asio::ip::address_v6 v6_addr = addr.to_v6();
  93     boost::asio::ip::address_v6::bytes_type bytes = v6_addr.to_bytes();
  94     memcpy(data_.v6.sin6_addr.s6_addr, bytes.data(), 16);
  95     data_.v6.sin6_scope_id =
  96       static_cast<boost::asio::detail::u_long_type>(
  97         v6_addr.scope_id());
  98   }
  99 }
 100
 101 void endpoint::resize(std::size_t new_size)
 102 {
 103   if (new_size > sizeof(boost::asio::detail::sockaddr_storage_type))
 104   {
 105     boost::system::error_code ec(boost::asio::error::invalid_argument);
 106     boost::asio::detail::throw_error(ec);
 107   }
 108 }
 109
 110 unsigned short endpoint::port() const BOOST_ASIO_NOEXCEPT
 111 {
 112   if (is_v4())
 113   {
 114     return boost::asio::detail::socket_ops::network_to_host_short(
 115         data_.v4.sin_port);
 116   }
 117   else
 118   {
 119     return boost::asio::detail::socket_ops::network_to_host_short(
 120         data_.v6.sin6_port);
 121   }
 122 }
 123
 124 void endpoint::port(unsigned short port_num) BOOST_ASIO_NOEXCEPT
 125 {
 126   if (is_v4())
 127   {
 128     data_.v4.sin_port
 129       = boost::asio::detail::socket_ops::host_to_network_short(port_num);
 130   }
 131   else
 132   {
 133     data_.v6.sin6_port
 134       = boost::asio::detail::socket_ops::host_to_network_short(port_num);
 135   }
 136 }
 137
 138 boost::asio::ip::address endpoint::address() const BOOST_ASIO_NOEXCEPT
 139 {
 140   using namespace std; // For memcpy.
 141   if (is_v4())
 142   {
 143     return boost::asio::ip::address_v4(
 144         boost::asio::detail::socket_ops::network_to_host_long(
 145           data_.v4.sin_addr.s_addr));
 146   }
 147   else
 148   {
 149     boost::asio::ip::address_v6::bytes_type bytes;
 150 #if defined(BOOST_ASIO_HAS_STD_ARRAY)
 151     memcpy(bytes.data(), data_.v6.sin6_addr.s6_addr, 16);
 152 #else // defined(BOOST_ASIO_HAS_STD_ARRAY)
 153     memcpy(bytes.elems, data_.v6.sin6_addr.s6_addr, 16);
 154 #endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
 155     return boost::asio::ip::address_v6(bytes, data_.v6.sin6_scope_id);
 156   }
 157 }
 158
 159 void endpoint::address(const boost::asio::ip::address& addr) BOOST_ASIO_NOEXCEPT
 160 {
 161   endpoint tmp_endpoint(addr, port());
 162   data_ = tmp_endpoint.data_;
 163 }
 164
 165 bool operator==(const endpoint& e1, const endpoint& e2) BOOST_ASIO_NOEXCEPT
 166 {
 167   return e1.address() == e2.address() && e1.port() == e2.port();
 168 }
 169
 170 bool operator<(const endpoint& e1, const endpoint& e2) BOOST_ASIO_NOEXCEPT
 171 {
 172   if (e1.address() < e2.address())
 173     return true;
 174   if (e1.address() != e2.address())
 175     return false;
 176   return e1.port() < e2.port();
 177 }
 178
 179 #if !defined(BOOST_ASIO_NO_IOSTREAM)
 180 std::string endpoint::to_string() const
 181 {
 182   std::ostringstream tmp_os;
 183   tmp_os.imbue(std::locale::classic());
 184   if (is_v4())
 185     tmp_os << address();
 186   else
 187     tmp_os << '[' << address() << ']';
 188   tmp_os << ':' << port();
 189
 190   return tmp_os.str();
 191 }
 192 #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
 193
 194 } // namespace detail
 195 } // namespace ip
 196 } // namespace asio
 197 } // namespace boost
 198
 199 #include <boost/asio/detail/pop_options.hpp>
 200
 201 #endif // BOOST_ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP