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

132 lines
4.7 KiB
C++

//
// experimental/detail/channel_send_functions.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_SEND_FUNCTIONS_HPP
#define ASIO_EXPERIMENTAL_DETAIL_CHANNEL_SEND_FUNCTIONS_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/async_result.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/error_code.hpp"
#include "asio/experimental/detail/channel_message.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace experimental {
namespace detail {
template <typename Derived, typename Executor, typename... Signatures>
class channel_send_functions;
template <typename Derived, typename Executor, typename R, typename... Args>
class channel_send_functions<Derived, Executor, R(Args...)>
{
public:
template <typename... Args2>
typename enable_if<
is_constructible<detail::channel_message<R(Args...)>, int, Args2...>::value,
bool
>::type try_send(ASIO_MOVE_ARG(Args2)... args)
{
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return self->service_->template try_send<message_type>(
self->impl_, ASIO_MOVE_CAST(Args2)(args)...);
}
template <typename... Args2>
typename enable_if<
is_constructible<detail::channel_message<R(Args...)>, int, Args2...>::value,
std::size_t
>::type try_send_n(std::size_t count, ASIO_MOVE_ARG(Args2)... args)
{
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return self->service_->template try_send_n<message_type>(
self->impl_, count, ASIO_MOVE_CAST(Args2)(args)...);
}
template <
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
CompletionToken ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(Executor)>
auto async_send(Args... args,
ASIO_MOVE_ARG(CompletionToken) token
ASIO_DEFAULT_COMPLETION_TOKEN(Executor))
{
typedef typename Derived::payload_type payload_type;
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return async_initiate<CompletionToken, void (asio::error_code)>(
typename Derived::initiate_async_send(self), token,
payload_type(message_type(0, ASIO_MOVE_CAST(Args)(args)...)));
}
};
template <typename Derived, typename Executor,
typename R, typename... Args, typename... Signatures>
class channel_send_functions<Derived, Executor, R(Args...), Signatures...> :
public channel_send_functions<Derived, Executor, Signatures...>
{
public:
using channel_send_functions<Derived, Executor, Signatures...>::try_send;
using channel_send_functions<Derived, Executor, Signatures...>::async_send;
template <typename... Args2>
typename enable_if<
is_constructible<detail::channel_message<R(Args...)>, int, Args2...>::value,
bool
>::type try_send(ASIO_MOVE_ARG(Args2)... args)
{
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return self->service_->template try_send<message_type>(
self->impl_, ASIO_MOVE_CAST(Args2)(args)...);
}
template <typename... Args2>
typename enable_if<
is_constructible<detail::channel_message<R(Args...)>, int, Args2...>::value,
std::size_t
>::type try_send_n(std::size_t count, ASIO_MOVE_ARG(Args2)... args)
{
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return self->service_->template try_send_n<message_type>(
self->impl_, count, ASIO_MOVE_CAST(Args2)(args)...);
}
template <
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
CompletionToken ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(Executor)>
auto async_send(Args... args,
ASIO_MOVE_ARG(CompletionToken) token
ASIO_DEFAULT_COMPLETION_TOKEN(Executor))
{
typedef typename Derived::payload_type payload_type;
typedef typename detail::channel_message<R(Args...)> message_type;
Derived* self = static_cast<Derived*>(this);
return async_initiate<CompletionToken, void (asio::error_code)>(
typename Derived::initiate_async_send(self), token,
payload_type(message_type(0, ASIO_MOVE_CAST(Args)(args)...)));
}
};
} // namespace detail
} // namespace experimental
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_EXPERIMENTAL_DETAIL_CHANNEL_SEND_FUNCTIONS_HPP