96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
|
//
|
||
|
|
// experimental/detail/channel_payload.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 BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_PAYLOAD_HPP
|
||
|
|
#define BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_PAYLOAD_HPP
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
# pragma once
|
||
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
|
||
|
|
#include <boost/asio/detail/config.hpp>
|
||
|
|
#include <variant>
|
||
|
|
#include <boost/asio/detail/type_traits.hpp>
|
||
|
|
#include <boost/asio/experimental/detail/channel_message.hpp>
|
||
|
|
|
||
|
|
#include <boost/asio/detail/push_options.hpp>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace asio {
|
||
|
|
namespace experimental {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
template <typename... Signatures>
|
||
|
|
class channel_payload
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
template <typename Signature>
|
||
|
|
channel_payload(BOOST_ASIO_MOVE_ARG(channel_message<Signature>) m)
|
||
|
|
: message_(BOOST_ASIO_MOVE_CAST(channel_message<Signature>)(m))
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Handler>
|
||
|
|
void receive(Handler& handler)
|
||
|
|
{
|
||
|
|
std::visit(
|
||
|
|
[&](auto& message)
|
||
|
|
{
|
||
|
|
message.receive(handler);
|
||
|
|
}, message_);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::variant<channel_message<Signatures>...> message_;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename R>
|
||
|
|
class channel_payload<R()>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
explicit channel_payload(channel_message<R()>)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Handler>
|
||
|
|
void receive(Handler& handler)
|
||
|
|
{
|
||
|
|
BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename Signature>
|
||
|
|
class channel_payload<Signature>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
channel_payload(BOOST_ASIO_MOVE_ARG(channel_message<Signature>) m)
|
||
|
|
: message_(BOOST_ASIO_MOVE_CAST(channel_message<Signature>)(m))
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Handler>
|
||
|
|
void receive(Handler& handler)
|
||
|
|
{
|
||
|
|
message_.receive(handler);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
channel_message<Signature> message_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace experimental
|
||
|
|
} // namespace asio
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#include <boost/asio/detail/pop_options.hpp>
|
||
|
|
|
||
|
|
#endif // BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_PAYLOAD_HPP
|