ceph/src/boost/boost/asio/detail/winrt_ssocket_service.hpp

   1 //
   2 // detail/winrt_ssocket_service.hpp
   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_DETAIL_WINRT_SSOCKET_SERVICE_HPP
  12 #define BOOST_ASIO_DETAIL_WINRT_SSOCKET_SERVICE_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
  20 #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
  21
  22 #include <boost/asio/error.hpp>
  23 #include <boost/asio/execution_context.hpp>
  24 #include <boost/asio/detail/memory.hpp>
  25 #include <boost/asio/detail/winrt_socket_connect_op.hpp>
  26 #include <boost/asio/detail/winrt_ssocket_service_base.hpp>
  27 #include <boost/asio/detail/winrt_utils.hpp>
  28
  29 #include <boost/asio/detail/push_options.hpp>
  30
  31 namespace boost {
  32 namespace asio {
  33 namespace detail {
  34
  35 template <typename Protocol>
  36 class winrt_ssocket_service :
  37   public execution_context_service_base<winrt_ssocket_service<Protocol> >,
  38   public winrt_ssocket_service_base
  39 {
  40 public:
  41   // The protocol type.
  42   typedef Protocol protocol_type;
  43
  44   // The endpoint type.
  45   typedef typename Protocol::endpoint endpoint_type;
  46
  47   // The native type of a socket.
  48   typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type;
  49
  50   // The implementation type of the socket.
  51   struct implementation_type : base_implementation_type
  52   {
  53     // Default constructor.
  54     implementation_type()
  55       : base_implementation_type(),
  56         protocol_(endpoint_type().protocol())
  57     {
  58     }
  59
  60     // The protocol associated with the socket.
  61     protocol_type protocol_;
  62   };
  63
  64   // Constructor.
  65   winrt_ssocket_service(execution_context& context)
  66     : execution_context_service_base<winrt_ssocket_service<Protocol> >(context),
  67       winrt_ssocket_service_base(context)
  68   {
  69   }
  70
  71   // Destroy all user-defined handler objects owned by the service.
  72   void shutdown()
  73   {
  74     this->base_shutdown();
  75   }
  76
  77   // Move-construct a new socket implementation.
  78   void move_construct(implementation_type& impl,
  79       implementation_type& other_impl) BOOST_ASIO_NOEXCEPT
  80   {
  81     this->base_move_construct(impl, other_impl);
  82
  83     impl.protocol_ = other_impl.protocol_;
  84     other_impl.protocol_ = endpoint_type().protocol();
  85   }
  86
  87   // Move-assign from another socket implementation.
  88   void move_assign(implementation_type& impl,
  89       winrt_ssocket_service& other_service,
  90       implementation_type& other_impl)
  91   {
  92     this->base_move_assign(impl, other_service, other_impl);
  93
  94     impl.protocol_ = other_impl.protocol_;
  95     other_impl.protocol_ = endpoint_type().protocol();
  96   }
  97
  98   // Move-construct a new socket implementation from another protocol type.
  99   template <typename Protocol1>
 100   void converting_move_construct(implementation_type& impl,
 101       winrt_ssocket_service<Protocol1>&,
 102       typename winrt_ssocket_service<
 103         Protocol1>::implementation_type& other_impl)
 104   {
 105     this->base_move_construct(impl, other_impl);
 106
 107     impl.protocol_ = protocol_type(other_impl.protocol_);
 108     other_impl.protocol_ = typename Protocol1::endpoint().protocol();
 109   }
 110
 111   // Open a new socket implementation.
 112   boost::system::error_code open(implementation_type& impl,
 113       const protocol_type& protocol, boost::system::error_code& ec)
 114   {
 115     if (is_open(impl))
 116     {
 117       ec = boost::asio::error::already_open;
 118       return ec;
 119     }
 120
 121     try
 122     {
 123       impl.socket_ = ref new Windows::Networking::Sockets::StreamSocket;
 124       impl.protocol_ = protocol;
 125       ec = boost::system::error_code();
 126     }
 127     catch (Platform::Exception^ e)
 128     {
 129       ec = boost::system::error_code(e->HResult,
 130             boost::system::system_category());
 131     }
 132
 133     return ec;
 134   }
 135
 136   // Assign a native socket to a socket implementation.
 137   boost::system::error_code assign(implementation_type& impl,
 138       const protocol_type& protocol, const native_handle_type& native_socket,
 139       boost::system::error_code& ec)
 140   {
 141     if (is_open(impl))
 142     {
 143       ec = boost::asio::error::already_open;
 144       return ec;
 145     }
 146
 147     impl.socket_ = native_socket;
 148     impl.protocol_ = protocol;
 149     ec = boost::system::error_code();
 150
 151     return ec;
 152   }
 153
 154   // Bind the socket to the specified local endpoint.
 155   boost::system::error_code bind(implementation_type&,
 156       const endpoint_type&, boost::system::error_code& ec)
 157   {
 158     ec = boost::asio::error::operation_not_supported;
 159     return ec;
 160   }
 161
 162   // Get the local endpoint.
 163   endpoint_type local_endpoint(const implementation_type& impl,
 164       boost::system::error_code& ec) const
 165   {
 166     endpoint_type endpoint;
 167     endpoint.resize(do_get_endpoint(impl, true,
 168           endpoint.data(), endpoint.size(), ec));
 169     return endpoint;
 170   }
 171
 172   // Get the remote endpoint.
 173   endpoint_type remote_endpoint(const implementation_type& impl,
 174       boost::system::error_code& ec) const
 175   {
 176     endpoint_type endpoint;
 177     endpoint.resize(do_get_endpoint(impl, false,
 178           endpoint.data(), endpoint.size(), ec));
 179     return endpoint;
 180   }
 181
 182   // Disable sends or receives on the socket.
 183   boost::system::error_code shutdown(implementation_type&,
 184       socket_base::shutdown_type, boost::system::error_code& ec)
 185   {
 186     ec = boost::asio::error::operation_not_supported;
 187     return ec;
 188   }
 189
 190   // Set a socket option.
 191   template <typename Option>
 192   boost::system::error_code set_option(implementation_type& impl,
 193       const Option& option, boost::system::error_code& ec)
 194   {
 195     return do_set_option(impl, option.level(impl.protocol_),
 196         option.name(impl.protocol_), option.data(impl.protocol_),
 197         option.size(impl.protocol_), ec);
 198   }
 199
 200   // Get a socket option.
 201   template <typename Option>
 202   boost::system::error_code get_option(const implementation_type& impl,
 203       Option& option, boost::system::error_code& ec) const
 204   {
 205     std::size_t size = option.size(impl.protocol_);
 206     do_get_option(impl, option.level(impl.protocol_),
 207         option.name(impl.protocol_),
 208         option.data(impl.protocol_), &size, ec);
 209     if (!ec)
 210       option.resize(impl.protocol_, size);
 211     return ec;
 212   }
 213
 214   // Connect the socket to the specified endpoint.
 215   boost::system::error_code connect(implementation_type& impl,
 216       const endpoint_type& peer_endpoint, boost::system::error_code& ec)
 217   {
 218     return do_connect(impl, peer_endpoint.data(), ec);
 219   }
 220
 221   // Start an asynchronous connect.
 222   template <typename Handler, typename IoExecutor>
 223   void async_connect(implementation_type& impl,
 224       const endpoint_type& peer_endpoint,
 225       Handler& handler, const IoExecutor& io_ex)
 226   {
 227     bool is_continuation =
 228       boost_asio_handler_cont_helpers::is_continuation(handler);
 229
 230     // Allocate and construct an operation to wrap the handler.
 231     typedef winrt_socket_connect_op<Handler, IoExecutor> op;
 232     typename op::ptr p = { boost::asio::detail::addressof(handler),
 233       op::ptr::allocate(handler), 0 };
 234     p.p = new (p.v) op(handler, io_ex);
 235
 236     BOOST_ASIO_HANDLER_CREATION((scheduler_.context(),
 237           *p.p, "socket", &impl, 0, "async_connect"));
 238
 239     start_connect_op(impl, peer_endpoint.data(), p.p, is_continuation);
 240     p.v = p.p = 0;
 241   }
 242 };
 243
 244 } // namespace detail
 245 } // namespace asio
 246 } // namespace boost
 247
 248 #include <boost/asio/detail/pop_options.hpp>
 249
 250 #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
 251
 252 #endif // BOOST_ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP