ceph/src/boost/boost/asio/experimental/detail/channel_handler.hpp

   1 //
   2 // experimental/detail/channel_handler.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
  12 #define BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <boost/asio/associator.hpp>
  20 #include <boost/asio/experimental/detail/channel_payload.hpp>
  21
  22 #include <boost/asio/detail/push_options.hpp>
  23
  24 namespace boost {
  25 namespace asio {
  26 namespace experimental {
  27 namespace detail {
  28
  29 template <typename Payload, typename Handler>
  30 class channel_handler
  31 {
  32 public:
  33   channel_handler(BOOST_ASIO_MOVE_ARG(Payload) p, Handler& h)
  34     : payload_(BOOST_ASIO_MOVE_CAST(Payload)(p)),
  35       handler_(BOOST_ASIO_MOVE_CAST(Handler)(h))
  36   {
  37   }
  38
  39   void operator()()
  40   {
  41     payload_.receive(handler_);
  42   }
  43
  44 //private:
  45   Payload payload_;
  46   Handler handler_;
  47 };
  48
  49 } // namespace detail
  50 } // namespace experimental
  51
  52 template <template <typename, typename> class Associator,
  53     typename Payload, typename Handler, typename DefaultCandidate>
  54 struct associator<Associator,
  55     experimental::detail::channel_handler<Payload, Handler>,
  56     DefaultCandidate>
  57   : Associator<Handler, DefaultCandidate>
  58 {
  59   static typename Associator<Handler, DefaultCandidate>::type get(
  60       const experimental::detail::channel_handler<Payload, Handler>& h,
  61       const DefaultCandidate& c = DefaultCandidate()) BOOST_ASIO_NOEXCEPT
  62   {
  63     return Associator<Handler, DefaultCandidate>::get(h.handler_, c);
  64   }
  65 };
  66
  67 } // namespace asio
  68 } // namespace boost
  69
  70 #include <boost/asio/detail/pop_options.hpp>
  71
  72 #endif // BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_HANDLER_HPP