blah2/lib/asio-1.26.0/asio/experimental/detail/channel_handler.hpp
2023-05-04 20:55:37 +09:30

80 lines
2.1 KiB
C++

//
// experimental/detail/channel_handler.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 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 ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
#define ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/associator.hpp"
#include "asio/experimental/detail/channel_payload.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace experimental {
namespace detail {
template <typename Payload, typename Handler>
class channel_handler
{
public:
channel_handler(ASIO_MOVE_ARG(Payload) p, Handler& h)
: payload_(ASIO_MOVE_CAST(Payload)(p)),
handler_(ASIO_MOVE_CAST(Handler)(h))
{
}
void operator()()
{
payload_.receive(handler_);
}
//private:
Payload payload_;
Handler handler_;
};
} // namespace detail
} // namespace experimental
template <template <typename, typename> class Associator,
typename Payload, typename Handler, typename DefaultCandidate>
struct associator<Associator,
experimental::detail::channel_handler<Payload, Handler>,
DefaultCandidate>
: Associator<Handler, DefaultCandidate>
{
static typename Associator<Handler, DefaultCandidate>::type
get(const experimental::detail::channel_handler<Payload, Handler>& h)
ASIO_NOEXCEPT
{
return Associator<Handler, DefaultCandidate>::get(h.handler_);
}
static ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<Handler, DefaultCandidate>::type)
get(const experimental::detail::channel_handler<Payload, Handler>& h,
const DefaultCandidate& c) ASIO_NOEXCEPT
ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<Handler, DefaultCandidate>::get(h.handler_, c)))
{
return Associator<Handler, DefaultCandidate>::get(h.handler_, c);
}
};
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP