251 lines
6.9 KiB
C++
251 lines
6.9 KiB
C++
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//
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// detail/winrt_ssocket_service.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 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 ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP
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#define ASIO_DETAIL_WINRT_SSOCKET_SERVICE_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 "asio/detail/config.hpp"
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#if defined(ASIO_WINDOWS_RUNTIME)
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#include "asio/error.hpp"
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#include "asio/execution_context.hpp"
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#include "asio/detail/memory.hpp"
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#include "asio/detail/winrt_socket_connect_op.hpp"
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#include "asio/detail/winrt_ssocket_service_base.hpp"
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#include "asio/detail/winrt_utils.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace detail {
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template <typename Protocol>
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class winrt_ssocket_service :
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public execution_context_service_base<winrt_ssocket_service<Protocol> >,
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public winrt_ssocket_service_base
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{
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public:
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// The protocol type.
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typedef Protocol protocol_type;
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// The endpoint type.
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typedef typename Protocol::endpoint endpoint_type;
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// The native type of a socket.
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typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type;
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// The implementation type of the socket.
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struct implementation_type : base_implementation_type
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{
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// Default constructor.
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implementation_type()
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: base_implementation_type(),
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protocol_(endpoint_type().protocol())
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{
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}
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// The protocol associated with the socket.
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protocol_type protocol_;
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};
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// Constructor.
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winrt_ssocket_service(execution_context& context)
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: execution_context_service_base<winrt_ssocket_service<Protocol> >(context),
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winrt_ssocket_service_base(context)
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{
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}
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// Destroy all user-defined handler objects owned by the service.
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void shutdown()
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{
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this->base_shutdown();
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}
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// Move-construct a new socket implementation.
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void move_construct(implementation_type& impl,
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implementation_type& other_impl) ASIO_NOEXCEPT
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{
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this->base_move_construct(impl, other_impl);
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impl.protocol_ = other_impl.protocol_;
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other_impl.protocol_ = endpoint_type().protocol();
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}
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// Move-assign from another socket implementation.
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void move_assign(implementation_type& impl,
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winrt_ssocket_service& other_service,
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implementation_type& other_impl)
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{
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this->base_move_assign(impl, other_service, other_impl);
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impl.protocol_ = other_impl.protocol_;
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other_impl.protocol_ = endpoint_type().protocol();
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}
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// Move-construct a new socket implementation from another protocol type.
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template <typename Protocol1>
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void converting_move_construct(implementation_type& impl,
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winrt_ssocket_service<Protocol1>&,
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typename winrt_ssocket_service<
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Protocol1>::implementation_type& other_impl)
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{
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this->base_move_construct(impl, other_impl);
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impl.protocol_ = protocol_type(other_impl.protocol_);
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other_impl.protocol_ = typename Protocol1::endpoint().protocol();
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}
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// Open a new socket implementation.
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asio::error_code open(implementation_type& impl,
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const protocol_type& protocol, asio::error_code& ec)
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{
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if (is_open(impl))
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{
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ec = asio::error::already_open;
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return ec;
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}
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try
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{
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impl.socket_ = ref new Windows::Networking::Sockets::StreamSocket;
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impl.protocol_ = protocol;
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ec = asio::error_code();
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}
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catch (Platform::Exception^ e)
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{
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ec = asio::error_code(e->HResult,
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asio::system_category());
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}
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return ec;
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}
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// Assign a native socket to a socket implementation.
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asio::error_code assign(implementation_type& impl,
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const protocol_type& protocol, const native_handle_type& native_socket,
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asio::error_code& ec)
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{
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if (is_open(impl))
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{
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ec = asio::error::already_open;
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return ec;
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}
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impl.socket_ = native_socket;
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impl.protocol_ = protocol;
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ec = asio::error_code();
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return ec;
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}
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// Bind the socket to the specified local endpoint.
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asio::error_code bind(implementation_type&,
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const endpoint_type&, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Get the local endpoint.
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endpoint_type local_endpoint(const implementation_type& impl,
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asio::error_code& ec) const
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{
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endpoint_type endpoint;
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endpoint.resize(do_get_endpoint(impl, true,
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endpoint.data(), endpoint.size(), ec));
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return endpoint;
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}
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// Get the remote endpoint.
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endpoint_type remote_endpoint(const implementation_type& impl,
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asio::error_code& ec) const
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{
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endpoint_type endpoint;
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endpoint.resize(do_get_endpoint(impl, false,
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endpoint.data(), endpoint.size(), ec));
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return endpoint;
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}
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// Disable sends or receives on the socket.
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asio::error_code shutdown(implementation_type&,
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socket_base::shutdown_type, asio::error_code& ec)
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{
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ec = asio::error::operation_not_supported;
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return ec;
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}
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// Set a socket option.
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template <typename Option>
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asio::error_code set_option(implementation_type& impl,
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const Option& option, asio::error_code& ec)
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{
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return do_set_option(impl, option.level(impl.protocol_),
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option.name(impl.protocol_), option.data(impl.protocol_),
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option.size(impl.protocol_), ec);
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}
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// Get a socket option.
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template <typename Option>
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asio::error_code get_option(const implementation_type& impl,
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Option& option, asio::error_code& ec) const
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{
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std::size_t size = option.size(impl.protocol_);
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do_get_option(impl, option.level(impl.protocol_),
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option.name(impl.protocol_),
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option.data(impl.protocol_), &size, ec);
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if (!ec)
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option.resize(impl.protocol_, size);
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return ec;
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}
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// Connect the socket to the specified endpoint.
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asio::error_code connect(implementation_type& impl,
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const endpoint_type& peer_endpoint, asio::error_code& ec)
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{
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return do_connect(impl, peer_endpoint.data(), ec);
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}
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// Start an asynchronous connect.
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template <typename Handler, typename IoExecutor>
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void async_connect(implementation_type& impl,
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const endpoint_type& peer_endpoint,
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Handler& handler, const IoExecutor& io_ex)
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{
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bool is_continuation =
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asio_handler_cont_helpers::is_continuation(handler);
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// Allocate and construct an operation to wrap the handler.
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typedef winrt_socket_connect_op<Handler, IoExecutor> op;
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typename op::ptr p = { asio::detail::addressof(handler),
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op::ptr::allocate(handler), 0 };
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p.p = new (p.v) op(handler, io_ex);
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ASIO_HANDLER_CREATION((scheduler_.context(),
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*p.p, "socket", &impl, 0, "async_connect"));
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start_connect_op(impl, peer_endpoint.data(), p.p, is_continuation);
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p.v = p.p = 0;
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}
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};
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} // namespace detail
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // defined(ASIO_WINDOWS_RUNTIME)
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#endif // ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP
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