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- //
- // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail 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)
- //
- // Official repository: https://github.com/boostorg/beast
- //
- #ifndef BOOST_BEAST_DETAIL_REMAP_POST_TO_DEFER_HPP
- #define BOOST_BEAST_DETAIL_REMAP_POST_TO_DEFER_HPP
- #include <boost/asio/is_executor.hpp>
- #include <boost/core/empty_value.hpp>
- #include <type_traits>
- #include <utility>
- namespace boost {
- namespace beast {
- namespace detail {
- template<class Executor>
- class remap_post_to_defer
- : private boost::empty_value<Executor>
- {
- BOOST_STATIC_ASSERT(
- net::is_executor<Executor>::value);
- Executor const&
- ex() const noexcept
- {
- return this->get();
- }
- public:
- remap_post_to_defer(
- remap_post_to_defer&&) = default;
- remap_post_to_defer(
- remap_post_to_defer const&) = default;
- explicit
- remap_post_to_defer(
- Executor const& ex)
- : boost::empty_value<Executor>(
- boost::empty_init_t{}, ex)
- {
- }
- bool
- operator==(
- remap_post_to_defer const& other) const noexcept
- {
- return ex() == other.ex();
- }
- bool
- operator!=(
- remap_post_to_defer const& other) const noexcept
- {
- return ex() != other.ex();
- }
- decltype(std::declval<Executor const&>().context())
- context() const noexcept
- {
- return ex().context();
- }
- void
- on_work_started() const noexcept
- {
- ex().on_work_started();
- }
- void
- on_work_finished() const noexcept
- {
- ex().on_work_finished();
- }
- template<class F, class A>
- void
- dispatch(F&& f, A const& a) const
- {
- ex().dispatch(std::forward<F>(f), a);
- }
- template<class F, class A>
- void
- post(F&& f, A const& a) const
- {
- ex().defer(std::forward<F>(f), a);
- }
- template<class F, class A>
- void
- defer(F&& f, A const& a) const
- {
- ex().defer(std::forward<F>(f), a);
- }
- };
- } // detail
- } // beast
- } // boost
- #endif
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