| // |
| // detail/winrt_socket_connect_op.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef BOOST_ASIO_DETAIL_WINRT_SOCKET_CONNECT_OP_HPP |
| #define BOOST_ASIO_DETAIL_WINRT_SOCKET_CONNECT_OP_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| |
| #if defined(BOOST_ASIO_WINDOWS_RUNTIME) |
| |
| #include <boost/asio/detail/bind_handler.hpp> |
| #include <boost/asio/detail/buffer_sequence_adapter.hpp> |
| #include <boost/asio/detail/fenced_block.hpp> |
| #include <boost/asio/detail/handler_alloc_helpers.hpp> |
| #include <boost/asio/detail/handler_invoke_helpers.hpp> |
| #include <boost/asio/detail/handler_work.hpp> |
| #include <boost/asio/detail/memory.hpp> |
| #include <boost/asio/detail/winrt_async_op.hpp> |
| #include <boost/asio/error.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace detail { |
| |
| template <typename Handler, typename IoExecutor> |
| class winrt_socket_connect_op : |
| public winrt_async_op<void> |
| { |
| public: |
| BOOST_ASIO_DEFINE_HANDLER_PTR(winrt_socket_connect_op); |
| |
| winrt_socket_connect_op(Handler& handler, const IoExecutor& io_ex) |
| : winrt_async_op<void>(&winrt_socket_connect_op::do_complete), |
| handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)), |
| work_(handler_, io_ex) |
| { |
| } |
| |
| static void do_complete(void* owner, operation* base, |
| const boost::system::error_code&, std::size_t) |
| { |
| // Take ownership of the operation object. |
| winrt_socket_connect_op* o(static_cast<winrt_socket_connect_op*>(base)); |
| ptr p = { boost::asio::detail::addressof(o->handler_), o, o }; |
| |
| BOOST_ASIO_HANDLER_COMPLETION((*o)); |
| |
| // Take ownership of the operation's outstanding work. |
| handler_work<Handler, IoExecutor> w( |
| BOOST_ASIO_MOVE_CAST2(handler_work<Handler, IoExecutor>)( |
| o->work_)); |
| |
| // Make a copy of the handler so that the memory can be deallocated before |
| // the upcall is made. Even if we're not about to make an upcall, a |
| // sub-object of the handler may be the true owner of the memory associated |
| // with the handler. Consequently, a local copy of the handler is required |
| // to ensure that any owning sub-object remains valid until after we have |
| // deallocated the memory here. |
| detail::binder1<Handler, boost::system::error_code> |
| handler(o->handler_, o->ec_); |
| p.h = boost::asio::detail::addressof(handler.handler_); |
| p.reset(); |
| |
| // Make the upcall if required. |
| if (owner) |
| { |
| fenced_block b(fenced_block::half); |
| BOOST_ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_)); |
| w.complete(handler, handler.handler_); |
| BOOST_ASIO_HANDLER_INVOCATION_END; |
| } |
| } |
| |
| private: |
| Handler handler_; |
| handler_work<Handler, IoExecutor> executor_; |
| }; |
| |
| } // namespace detail |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME) |
| |
| #endif // BOOST_ASIO_DETAIL_WINRT_SOCKET_CONNECT_OP_HPP |