78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
//
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// experimental/detail/channel_handler.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2024 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_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
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#define ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_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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#include "asio/associator.hpp"
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#include "asio/experimental/detail/channel_payload.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace experimental {
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namespace detail {
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template <typename Payload, typename Handler>
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class channel_handler
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{
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public:
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channel_handler(Payload&& p, Handler& h)
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: payload_(static_cast<Payload&&>(p)),
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handler_(static_cast<Handler&&>(h))
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{
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}
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void operator()()
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{
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payload_.receive(handler_);
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}
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//private:
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Payload payload_;
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Handler handler_;
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};
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} // namespace detail
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} // namespace experimental
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template <template <typename, typename> class Associator,
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typename Payload, typename Handler, typename DefaultCandidate>
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struct associator<Associator,
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experimental::detail::channel_handler<Payload, Handler>,
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DefaultCandidate>
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: Associator<Handler, DefaultCandidate>
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{
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static typename Associator<Handler, DefaultCandidate>::type get(
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const experimental::detail::channel_handler<Payload, Handler>& h) noexcept
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{
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return Associator<Handler, DefaultCandidate>::get(h.handler_);
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}
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static auto get(
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const experimental::detail::channel_handler<Payload, Handler>& h,
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const DefaultCandidate& c) noexcept
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-> decltype(Associator<Handler, DefaultCandidate>::get(h.handler_, c))
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{
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return Associator<Handler, DefaultCandidate>::get(h.handler_, c);
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}
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};
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
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