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108 lines
3.3 KiB
108 lines
3.3 KiB
// |
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// detail/reactive_socket_connect_op.hpp |
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#ifndef BOOST_ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP |
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#define BOOST_ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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#include <boost/asio/detail/config.hpp> |
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#include <boost/utility/addressof.hpp> |
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#include <boost/asio/detail/bind_handler.hpp> |
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#include <boost/asio/detail/buffer_sequence_adapter.hpp> |
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#include <boost/asio/detail/fenced_block.hpp> |
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#include <boost/asio/detail/reactor_op.hpp> |
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#include <boost/asio/detail/socket_ops.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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namespace detail { |
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class reactive_socket_connect_op_base : public reactor_op |
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{ |
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public: |
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reactive_socket_connect_op_base(socket_type socket, func_type complete_func) |
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: reactor_op(&reactive_socket_connect_op_base::do_perform, complete_func), |
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socket_(socket) |
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{ |
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} |
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static bool do_perform(reactor_op* base) |
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{ |
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reactive_socket_connect_op_base* o( |
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static_cast<reactive_socket_connect_op_base*>(base)); |
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return socket_ops::non_blocking_connect(o->socket_, o->ec_); |
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} |
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private: |
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socket_type socket_; |
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}; |
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template <typename Handler> |
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class reactive_socket_connect_op : public reactive_socket_connect_op_base |
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{ |
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public: |
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BOOST_ASIO_DEFINE_HANDLER_PTR(reactive_socket_connect_op); |
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reactive_socket_connect_op(socket_type socket, Handler& handler) |
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: reactive_socket_connect_op_base(socket, |
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&reactive_socket_connect_op::do_complete), |
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handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)) |
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{ |
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} |
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static void do_complete(io_service_impl* owner, operation* base, |
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const boost::system::error_code& /*ec*/, |
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std::size_t /*bytes_transferred*/) |
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{ |
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// Take ownership of the handler object. |
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reactive_socket_connect_op* o |
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(static_cast<reactive_socket_connect_op*>(base)); |
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ptr p = { boost::addressof(o->handler_), o, o }; |
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BOOST_ASIO_HANDLER_COMPLETION((o)); |
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// Make a copy of the handler so that the memory can be deallocated before |
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// the upcall is made. Even if we're not about to make an upcall, a |
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// sub-object of the handler may be the true owner of the memory associated |
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// with the handler. Consequently, a local copy of the handler is required |
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// to ensure that any owning sub-object remains valid until after we have |
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// deallocated the memory here. |
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detail::binder1<Handler, boost::system::error_code> |
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handler(o->handler_, o->ec_); |
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p.h = boost::addressof(handler.handler_); |
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p.reset(); |
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// Make the upcall if required. |
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if (owner) |
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{ |
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fenced_block b(fenced_block::half); |
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BOOST_ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_)); |
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boost_asio_handler_invoke_helpers::invoke(handler, handler); |
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BOOST_ASIO_HANDLER_INVOCATION_END; |
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} |
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} |
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private: |
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Handler handler_; |
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}; |
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} // namespace detail |
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} // namespace asio |
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} // namespace boost |
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#include <boost/asio/detail/pop_options.hpp> |
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#endif // BOOST_ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP
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