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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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