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

   1 //
   2 // generic/detail/impl/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_GENERIC_DETAIL_IMPL_ENDPOINT_IPP
  12 #define BOOST_ASIO_GENERIC_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
  20 #include <cstring>
  21 #include <typeinfo>
  22 #include <boost/asio/detail/socket_ops.hpp>
  23 #include <boost/asio/detail/throw_error.hpp>
  24 #include <boost/asio/detail/throw_exception.hpp>
  25 #include <boost/asio/error.hpp>
  26 #include <boost/asio/generic/detail/endpoint.hpp>
  27
  28 #include <boost/asio/detail/push_options.hpp>
  29
  30 namespace boost {
  31 namespace asio {
  32 namespace generic {
  33 namespace detail {
  34
  35 endpoint::endpoint()
  36 {
  37   init(0, 0, 0);
  38 }
  39
  40 endpoint::endpoint(const void* sock_addr,
  41     std::size_t sock_addr_size, int sock_protocol)
  42 {
  43   init(sock_addr, sock_addr_size, sock_protocol);
  44 }
  45
  46 void endpoint::resize(std::size_t new_size)
  47 {
  48   if (new_size > sizeof(boost::asio::detail::sockaddr_storage_type))
  49   {
  50     boost::system::error_code ec(boost::asio::error::invalid_argument);
  51     boost::asio::detail::throw_error(ec);
  52   }
  53   else
  54   {
  55     size_ = new_size;
  56     protocol_ = 0;
  57   }
  58 }
  59
  60 bool operator==(const endpoint& e1, const endpoint& e2)
  61 {
  62   using namespace std; // For memcmp.
  63   return e1.size() == e2.size() && memcmp(e1.data(), e2.data(), e1.size()) == 0;
  64 }
  65
  66 bool operator<(const endpoint& e1, const endpoint& e2)
  67 {
  68   if (e1.protocol() < e2.protocol())
  69     return true;
  70
  71   if (e1.protocol() > e2.protocol())
  72     return false;
  73
  74   using namespace std; // For memcmp.
  75   std::size_t compare_size = e1.size() < e2.size() ? e1.size() : e2.size();
  76   int compare_result = memcmp(e1.data(), e2.data(), compare_size);
  77
  78   if (compare_result < 0)
  79     return true;
  80
  81   if (compare_result > 0)
  82     return false;
  83
  84   return e1.size() < e2.size();
  85 }
  86
  87 void endpoint::init(const void* sock_addr,
  88     std::size_t sock_addr_size, int sock_protocol)
  89 {
  90   if (sock_addr_size > sizeof(boost::asio::detail::sockaddr_storage_type))
  91   {
  92     boost::system::error_code ec(boost::asio::error::invalid_argument);
  93     boost::asio::detail::throw_error(ec);
  94   }
  95
  96   using namespace std; // For memset and memcpy.
  97   memset(&data_.generic, 0, sizeof(boost::asio::detail::sockaddr_storage_type));
  98   memcpy(&data_.generic, sock_addr, sock_addr_size);
  99
 100   size_ = sock_addr_size;
 101   protocol_ = sock_protocol;
 102 }
 103
 104 } // namespace detail
 105 } // namespace generic
 106 } // namespace asio
 107 } // namespace boost
 108
 109 #include <boost/asio/detail/pop_options.hpp>
 110
 111 #endif // BOOST_ASIO_GENERIC_DETAIL_IMPL_ENDPOINT_IPP