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

   1 //
   2 // ip/detail/impl/endpoint.ipp
   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_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()
  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)
  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)
  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           static_cast<boost::asio::detail::u_long_type>(
  85             addr.to_v4().to_ulong()));
  86   }
  87   else
  88   {
  89     data_.v6.sin6_family = BOOST_ASIO_OS_DEF(AF_INET6);
  90     data_.v6.sin6_port =
  91       boost::asio::detail::socket_ops::host_to_network_short(port_num);
  92     data_.v6.sin6_flowinfo = 0;
  93     boost::asio::ip::address_v6 v6_addr = addr.to_v6();
  94     boost::asio::ip::address_v6::bytes_type bytes = v6_addr.to_bytes();
  95     memcpy(data_.v6.sin6_addr.s6_addr, bytes.data(), 16);
  96     data_.v6.sin6_scope_id =
  97       static_cast<boost::asio::detail::u_long_type>(
  98         v6_addr.scope_id());
  99   }
 100 }
 101
 102 void endpoint::resize(std::size_t new_size)
 103 {
 104   if (new_size > sizeof(boost::asio::detail::sockaddr_storage_type))
 105   {
 106     boost::system::error_code ec(boost::asio::error::invalid_argument);
 107     boost::asio::detail::throw_error(ec);
 108   }
 109 }
 110
 111 unsigned short endpoint::port() const
 112 {
 113   if (is_v4())
 114   {
 115     return boost::asio::detail::socket_ops::network_to_host_short(
 116         data_.v4.sin_port);
 117   }
 118   else
 119   {
 120     return boost::asio::detail::socket_ops::network_to_host_short(
 121         data_.v6.sin6_port);
 122   }
 123 }
 124
 125 void endpoint::port(unsigned short port_num)
 126 {
 127   if (is_v4())
 128   {
 129     data_.v4.sin_port
 130       = boost::asio::detail::socket_ops::host_to_network_short(port_num);
 131   }
 132   else
 133   {
 134     data_.v6.sin6_port
 135       = boost::asio::detail::socket_ops::host_to_network_short(port_num);
 136   }
 137 }
 138
 139 boost::asio::ip::address endpoint::address() const
 140 {
 141   using namespace std; // For memcpy.
 142   if (is_v4())
 143   {
 144     return boost::asio::ip::address_v4(
 145         boost::asio::detail::socket_ops::network_to_host_long(
 146           data_.v4.sin_addr.s_addr));
 147   }
 148   else
 149   {
 150     boost::asio::ip::address_v6::bytes_type bytes;
 151 #if defined(BOOST_ASIO_HAS_STD_ARRAY)
 152     memcpy(bytes.data(), data_.v6.sin6_addr.s6_addr, 16);
 153 #else // defined(BOOST_ASIO_HAS_STD_ARRAY)
 154     memcpy(bytes.elems, data_.v6.sin6_addr.s6_addr, 16);
 155 #endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
 156     return boost::asio::ip::address_v6(bytes, data_.v6.sin6_scope_id);
 157   }
 158 }
 159
 160 void endpoint::address(const boost::asio::ip::address& addr)
 161 {
 162   endpoint tmp_endpoint(addr, port());
 163   data_ = tmp_endpoint.data_;
 164 }
 165
 166 bool operator==(const endpoint& e1, const endpoint& e2)
 167 {
 168   return e1.address() == e2.address() && e1.port() == e2.port();
 169 }
 170
 171 bool operator<(const endpoint& e1, const endpoint& e2)
 172 {
 173   if (e1.address() < e2.address())
 174     return true;
 175   if (e1.address() != e2.address())
 176     return false;
 177   return e1.port() < e2.port();
 178 }
 179
 180 #if !defined(BOOST_ASIO_NO_IOSTREAM)
 181 std::string endpoint::to_string(boost::system::error_code& ec) const
 182 {
 183   std::string a = address().to_string(ec);
 184   if (ec)
 185     return std::string();
 186
 187   std::ostringstream tmp_os;
 188   tmp_os.imbue(std::locale::classic());
 189   if (is_v4())
 190     tmp_os << a;
 191   else
 192     tmp_os << '[' << a << ']';
 193   tmp_os << ':' << port();
 194
 195   return tmp_os.str();
 196 }
 197 #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
 198
 199 } // namespace detail
 200 } // namespace ip
 201 } // namespace asio
 202 } // namespace boost
 203
 204 #include <boost/asio/detail/pop_options.hpp>
 205
 206 #endif // BOOST_ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP