Chris@16: //
Chris@16: // detail/winrt_ssocket_service_base.hpp
Chris@16: // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris@16: //
Chris@101: // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP
Chris@16: #define BOOST_ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: # pragma once
Chris@16: #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: 
Chris@16: #include <boost/asio/detail/config.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #include <boost/asio/buffer.hpp>
Chris@16: #include <boost/asio/error.hpp>
Chris@16: #include <boost/asio/io_service.hpp>
Chris@16: #include <boost/asio/socket_base.hpp>
Chris@16: #include <boost/asio/detail/addressof.hpp>
Chris@16: #include <boost/asio/detail/buffer_sequence_adapter.hpp>
Chris@16: #include <boost/asio/detail/socket_types.hpp>
Chris@16: #include <boost/asio/detail/winrt_async_manager.hpp>
Chris@16: #include <boost/asio/detail/winrt_socket_recv_op.hpp>
Chris@16: #include <boost/asio/detail/winrt_socket_send_op.hpp>
Chris@16: 
Chris@16: #include <boost/asio/detail/push_options.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace asio {
Chris@16: namespace detail {
Chris@16: 
Chris@16: class winrt_ssocket_service_base
Chris@16: {
Chris@16: public:
Chris@16:   // The native type of a socket.
Chris@16:   typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type;
Chris@16: 
Chris@16:   // The implementation type of the socket.
Chris@16:   struct base_implementation_type
Chris@16:   {
Chris@16:     // Default constructor.
Chris@16:     base_implementation_type()
Chris@16:       : socket_(nullptr),
Chris@16:         next_(0),
Chris@16:         prev_(0)
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@16:     // The underlying native socket.
Chris@16:     native_handle_type socket_;
Chris@16: 
Chris@16:     // Pointers to adjacent socket implementations in linked list.
Chris@16:     base_implementation_type* next_;
Chris@16:     base_implementation_type* prev_;
Chris@16:   };
Chris@16: 
Chris@16:   // Constructor.
Chris@16:   BOOST_ASIO_DECL winrt_ssocket_service_base(
Chris@16:       boost::asio::io_service& io_service);
Chris@16: 
Chris@16:   // Destroy all user-defined handler objects owned by the service.
Chris@16:   BOOST_ASIO_DECL void shutdown_service();
Chris@16: 
Chris@16:   // Construct a new socket implementation.
Chris@16:   BOOST_ASIO_DECL void construct(base_implementation_type&);
Chris@16: 
Chris@16:   // Move-construct a new socket implementation.
Chris@16:   BOOST_ASIO_DECL void base_move_construct(base_implementation_type& impl,
Chris@16:       base_implementation_type& other_impl);
Chris@16: 
Chris@16:   // Move-assign from another socket implementation.
Chris@16:   BOOST_ASIO_DECL void base_move_assign(base_implementation_type& impl,
Chris@16:       winrt_ssocket_service_base& other_service,
Chris@16:       base_implementation_type& other_impl);
Chris@16: 
Chris@16:   // Destroy a socket implementation.
Chris@16:   BOOST_ASIO_DECL void destroy(base_implementation_type& impl);
Chris@16: 
Chris@16:   // Determine whether the socket is open.
Chris@16:   bool is_open(const base_implementation_type& impl) const
Chris@16:   {
Chris@16:     return impl.socket_ != nullptr;
Chris@16:   }
Chris@16: 
Chris@16:   // Destroy a socket implementation.
Chris@16:   BOOST_ASIO_DECL boost::system::error_code close(
Chris@16:       base_implementation_type& impl, boost::system::error_code& ec);
Chris@16: 
Chris@16:   // Get the native socket representation.
Chris@16:   native_handle_type native_handle(base_implementation_type& impl)
Chris@16:   {
Chris@16:     return impl.socket_;
Chris@16:   }
Chris@16: 
Chris@16:   // Cancel all operations associated with the socket.
Chris@16:   boost::system::error_code cancel(base_implementation_type&,
Chris@16:       boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return ec;
Chris@16:   }
Chris@16: 
Chris@16:   // Determine whether the socket is at the out-of-band data mark.
Chris@16:   bool at_mark(const base_implementation_type&,
Chris@16:       boost::system::error_code& ec) const
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return false;
Chris@16:   }
Chris@16: 
Chris@16:   // Determine the number of bytes available for reading.
Chris@16:   std::size_t available(const base_implementation_type&,
Chris@16:       boost::system::error_code& ec) const
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return 0;
Chris@16:   }
Chris@16: 
Chris@16:   // Perform an IO control command on the socket.
Chris@16:   template <typename IO_Control_Command>
Chris@16:   boost::system::error_code io_control(base_implementation_type&,
Chris@16:       IO_Control_Command&, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return ec;
Chris@16:   }
Chris@16: 
Chris@16:   // Gets the non-blocking mode of the socket.
Chris@16:   bool non_blocking(const base_implementation_type&) const
Chris@16:   {
Chris@16:     return false;
Chris@16:   }
Chris@16: 
Chris@16:   // Sets the non-blocking mode of the socket.
Chris@16:   boost::system::error_code non_blocking(base_implementation_type&,
Chris@16:       bool, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return ec;
Chris@16:   }
Chris@16: 
Chris@16:   // Gets the non-blocking mode of the native socket implementation.
Chris@16:   bool native_non_blocking(const base_implementation_type&) const
Chris@16:   {
Chris@16:     return false;
Chris@16:   }
Chris@16: 
Chris@16:   // Sets the non-blocking mode of the native socket implementation.
Chris@16:   boost::system::error_code native_non_blocking(base_implementation_type&,
Chris@16:       bool, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return ec;
Chris@16:   }
Chris@16: 
Chris@16:   // Disable sends or receives on the socket.
Chris@16:   boost::system::error_code shutdown(base_implementation_type&,
Chris@16:       socket_base::shutdown_type, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return ec;
Chris@16:   }
Chris@16: 
Chris@16:   // Send the given data to the peer.
Chris@16:   template <typename ConstBufferSequence>
Chris@16:   std::size_t send(base_implementation_type& impl,
Chris@16:       const ConstBufferSequence& buffers,
Chris@16:       socket_base::message_flags flags, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return do_send(impl,
Chris@16:         buffer_sequence_adapter<boost::asio::const_buffer,
Chris@16:           ConstBufferSequence>::first(buffers), flags, ec);
Chris@16:   }
Chris@16: 
Chris@16:   // Wait until data can be sent without blocking.
Chris@16:   std::size_t send(base_implementation_type&, const null_buffers&,
Chris@16:       socket_base::message_flags, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return 0;
Chris@16:   }
Chris@16: 
Chris@16:   // Start an asynchronous send. The data being sent must be valid for the
Chris@16:   // lifetime of the asynchronous operation.
Chris@16:   template <typename ConstBufferSequence, typename Handler>
Chris@16:   void async_send(base_implementation_type& impl,
Chris@16:       const ConstBufferSequence& buffers,
Chris@16:       socket_base::message_flags flags, Handler& handler)
Chris@16:   {
Chris@16:     bool is_continuation =
Chris@16:       boost_asio_handler_cont_helpers::is_continuation(handler);
Chris@16: 
Chris@16:     // Allocate and construct an operation to wrap the handler.
Chris@16:     typedef winrt_socket_send_op<ConstBufferSequence, Handler> op;
Chris@16:     typename op::ptr p = { boost::asio::detail::addressof(handler),
Chris@16:       boost_asio_handler_alloc_helpers::allocate(
Chris@16:         sizeof(op), handler), 0 };
Chris@16:     p.p = new (p.v) op(buffers, handler);
Chris@16: 
Chris@16:     BOOST_ASIO_HANDLER_CREATION((p.p, "socket", &impl, "async_send"));
Chris@16: 
Chris@16:     start_send_op(impl,
Chris@16:         buffer_sequence_adapter<boost::asio::const_buffer,
Chris@16:           ConstBufferSequence>::first(buffers),
Chris@16:         flags, p.p, is_continuation);
Chris@16:     p.v = p.p = 0;
Chris@16:   }
Chris@16: 
Chris@16:   // Start an asynchronous wait until data can be sent without blocking.
Chris@16:   template <typename Handler>
Chris@16:   void async_send(base_implementation_type&, const null_buffers&,
Chris@16:       socket_base::message_flags, Handler& handler)
Chris@16:   {
Chris@16:     boost::system::error_code ec = boost::asio::error::operation_not_supported;
Chris@16:     const std::size_t bytes_transferred = 0;
Chris@16:     io_service_.get_io_service().post(
Chris@16:         detail::bind_handler(handler, ec, bytes_transferred));
Chris@16:   }
Chris@16: 
Chris@16:   // Receive some data from the peer. Returns the number of bytes received.
Chris@16:   template <typename MutableBufferSequence>
Chris@16:   std::size_t receive(base_implementation_type& impl,
Chris@16:       const MutableBufferSequence& buffers,
Chris@16:       socket_base::message_flags flags, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return do_receive(impl,
Chris@16:         buffer_sequence_adapter<boost::asio::mutable_buffer,
Chris@16:           MutableBufferSequence>::first(buffers), flags, ec);
Chris@16:   }
Chris@16: 
Chris@16:   // Wait until data can be received without blocking.
Chris@16:   std::size_t receive(base_implementation_type&, const null_buffers&,
Chris@16:       socket_base::message_flags, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     ec = boost::asio::error::operation_not_supported;
Chris@16:     return 0;
Chris@16:   }
Chris@16: 
Chris@16:   // Start an asynchronous receive. The buffer for the data being received
Chris@16:   // must be valid for the lifetime of the asynchronous operation.
Chris@16:   template <typename MutableBufferSequence, typename Handler>
Chris@16:   void async_receive(base_implementation_type& impl,
Chris@16:       const MutableBufferSequence& buffers,
Chris@16:       socket_base::message_flags flags, Handler& handler)
Chris@16:   {
Chris@16:     bool is_continuation =
Chris@16:       boost_asio_handler_cont_helpers::is_continuation(handler);
Chris@16: 
Chris@16:     // Allocate and construct an operation to wrap the handler.
Chris@16:     typedef winrt_socket_recv_op<MutableBufferSequence, Handler> op;
Chris@16:     typename op::ptr p = { boost::asio::detail::addressof(handler),
Chris@16:       boost_asio_handler_alloc_helpers::allocate(
Chris@16:         sizeof(op), handler), 0 };
Chris@16:     p.p = new (p.v) op(buffers, handler);
Chris@16: 
Chris@16:     BOOST_ASIO_HANDLER_CREATION((p.p, "socket", &impl, "async_receive"));
Chris@16: 
Chris@16:     start_receive_op(impl,
Chris@16:         buffer_sequence_adapter<boost::asio::mutable_buffer,
Chris@16:           MutableBufferSequence>::first(buffers),
Chris@16:         flags, p.p, is_continuation);
Chris@16:     p.v = p.p = 0;
Chris@16:   }
Chris@16: 
Chris@16:   // Wait until data can be received without blocking.
Chris@16:   template <typename Handler>
Chris@16:   void async_receive(base_implementation_type&, const null_buffers&,
Chris@16:       socket_base::message_flags, Handler& handler)
Chris@16:   {
Chris@16:     boost::system::error_code ec = boost::asio::error::operation_not_supported;
Chris@16:     const std::size_t bytes_transferred = 0;
Chris@16:     io_service_.get_io_service().post(
Chris@16:         detail::bind_handler(handler, ec, bytes_transferred));
Chris@16:   }
Chris@16: 
Chris@16: protected:
Chris@16:   // Helper function to obtain endpoints associated with the connection.
Chris@16:   BOOST_ASIO_DECL std::size_t do_get_endpoint(
Chris@16:       const base_implementation_type& impl, bool local,
Chris@16:       void* addr, std::size_t addr_len, boost::system::error_code& ec) const;
Chris@16: 
Chris@16:   // Helper function to set a socket option.
Chris@16:   BOOST_ASIO_DECL boost::system::error_code do_set_option(
Chris@16:       base_implementation_type& impl,
Chris@16:       int level, int optname, const void* optval,
Chris@16:       std::size_t optlen, boost::system::error_code& ec);
Chris@16: 
Chris@16:   // Helper function to get a socket option.
Chris@16:   BOOST_ASIO_DECL void do_get_option(
Chris@16:       const base_implementation_type& impl,
Chris@16:       int level, int optname, void* optval,
Chris@16:       std::size_t* optlen, boost::system::error_code& ec) const;
Chris@16: 
Chris@16:   // Helper function to perform a synchronous connect.
Chris@16:   BOOST_ASIO_DECL boost::system::error_code do_connect(
Chris@16:       base_implementation_type& impl,
Chris@16:       const void* addr, boost::system::error_code& ec);
Chris@16: 
Chris@16:   // Helper function to start an asynchronous connect.
Chris@16:   BOOST_ASIO_DECL void start_connect_op(
Chris@16:       base_implementation_type& impl, const void* addr,
Chris@16:       winrt_async_op<void>* op, bool is_continuation);
Chris@16: 
Chris@16:   // Helper function to perform a synchronous send.
Chris@16:   BOOST_ASIO_DECL std::size_t do_send(
Chris@16:       base_implementation_type& impl, const boost::asio::const_buffer& data,
Chris@16:       socket_base::message_flags flags, boost::system::error_code& ec);
Chris@16: 
Chris@16:   // Helper function to start an asynchronous send.
Chris@16:   BOOST_ASIO_DECL void start_send_op(base_implementation_type& impl,
Chris@16:       const boost::asio::const_buffer& data, socket_base::message_flags flags,
Chris@16:       winrt_async_op<unsigned int>* op, bool is_continuation);
Chris@16: 
Chris@16:   // Helper function to perform a synchronous receive.
Chris@16:   BOOST_ASIO_DECL std::size_t do_receive(
Chris@16:       base_implementation_type& impl, const boost::asio::mutable_buffer& data,
Chris@16:       socket_base::message_flags flags, boost::system::error_code& ec);
Chris@16: 
Chris@16:   // Helper function to start an asynchronous receive.
Chris@16:   BOOST_ASIO_DECL void start_receive_op(base_implementation_type& impl,
Chris@16:       const boost::asio::mutable_buffer& data, socket_base::message_flags flags,
Chris@16:       winrt_async_op<Windows::Storage::Streams::IBuffer^>* op,
Chris@16:       bool is_continuation);
Chris@16: 
Chris@16:   // The io_service implementation used for delivering completions.
Chris@16:   io_service_impl& io_service_;
Chris@16: 
Chris@16:   // The manager that keeps track of outstanding operations.
Chris@16:   winrt_async_manager& async_manager_;
Chris@16: 
Chris@16:   // Mutex to protect access to the linked list of implementations. 
Chris@16:   boost::asio::detail::mutex mutex_;
Chris@16: 
Chris@16:   // The head of a linked list of all implementations.
Chris@16:   base_implementation_type* impl_list_;
Chris@16: };
Chris@16: 
Chris@16: } // namespace detail
Chris@16: } // namespace asio
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/asio/detail/pop_options.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_ASIO_HEADER_ONLY)
Chris@16: # include <boost/asio/detail/impl/winrt_ssocket_service_base.ipp>
Chris@16: #endif // defined(BOOST_ASIO_HEADER_ONLY)
Chris@16: 
Chris@16: #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #endif // BOOST_ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP