| // |
| // detail/wrapped_handler.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2012 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_DETAIL_WRAPPED_HANDLER_HPP |
| #define ASIO_DETAIL_WRAPPED_HANDLER_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/bind_handler.hpp" |
| #include "asio/detail/handler_alloc_helpers.hpp" |
| #include "asio/detail/handler_invoke_helpers.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| template <typename Dispatcher, typename Handler> |
| class wrapped_handler |
| { |
| public: |
| typedef void result_type; |
| |
| wrapped_handler(Dispatcher dispatcher, Handler& handler) |
| : dispatcher_(dispatcher), |
| handler_(ASIO_MOVE_CAST(Handler)(handler)) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| wrapped_handler(const wrapped_handler& other) |
| : dispatcher_(other.dispatcher_), |
| handler_(other.handler_) |
| { |
| } |
| |
| wrapped_handler(wrapped_handler&& other) |
| : dispatcher_(other.dispatcher_), |
| handler_(ASIO_MOVE_CAST(Handler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()() |
| { |
| dispatcher_.dispatch(handler_); |
| } |
| |
| void operator()() const |
| { |
| dispatcher_.dispatch(handler_); |
| } |
| |
| template <typename Arg1> |
| void operator()(const Arg1& arg1) |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1)); |
| } |
| |
| template <typename Arg1> |
| void operator()(const Arg1& arg1) const |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1)); |
| } |
| |
| template <typename Arg1, typename Arg2> |
| void operator()(const Arg1& arg1, const Arg2& arg2) |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2)); |
| } |
| |
| template <typename Arg1, typename Arg2> |
| void operator()(const Arg1& arg1, const Arg2& arg2) const |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3) |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2, arg3)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3) const |
| { |
| dispatcher_.dispatch(detail::bind_handler(handler_, arg1, arg2, arg3)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3, typename Arg4> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, |
| const Arg4& arg4) |
| { |
| dispatcher_.dispatch( |
| detail::bind_handler(handler_, arg1, arg2, arg3, arg4)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3, typename Arg4> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, |
| const Arg4& arg4) const |
| { |
| dispatcher_.dispatch( |
| detail::bind_handler(handler_, arg1, arg2, arg3, arg4)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, |
| typename Arg5> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, |
| const Arg4& arg4, const Arg5& arg5) |
| { |
| dispatcher_.dispatch( |
| detail::bind_handler(handler_, arg1, arg2, arg3, arg4, arg5)); |
| } |
| |
| template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, |
| typename Arg5> |
| void operator()(const Arg1& arg1, const Arg2& arg2, const Arg3& arg3, |
| const Arg4& arg4, const Arg5& arg5) const |
| { |
| dispatcher_.dispatch( |
| detail::bind_handler(handler_, arg1, arg2, arg3, arg4, arg5)); |
| } |
| |
| //private: |
| Dispatcher dispatcher_; |
| Handler handler_; |
| }; |
| |
| template <typename Handler, typename Context> |
| class rewrapped_handler |
| { |
| public: |
| explicit rewrapped_handler(Handler& handler, const Context& context) |
| : context_(context), |
| handler_(ASIO_MOVE_CAST(Handler)(handler)) |
| { |
| } |
| |
| explicit rewrapped_handler(const Handler& handler, const Context& context) |
| : context_(context), |
| handler_(handler) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| rewrapped_handler(const rewrapped_handler& other) |
| : context_(other.context_), |
| handler_(other.handler_) |
| { |
| } |
| |
| rewrapped_handler(rewrapped_handler&& other) |
| : context_(ASIO_MOVE_CAST(Context)(other.context_)), |
| handler_(ASIO_MOVE_CAST(Handler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()() |
| { |
| handler_(); |
| } |
| |
| void operator()() const |
| { |
| handler_(); |
| } |
| |
| //private: |
| Context context_; |
| Handler handler_; |
| }; |
| |
| template <typename Dispatcher, typename Handler> |
| inline void* asio_handler_allocate(std::size_t size, |
| wrapped_handler<Dispatcher, Handler>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| } |
| |
| template <typename Dispatcher, typename Handler> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| wrapped_handler<Dispatcher, Handler>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| } |
| |
| template <typename Function, typename Dispatcher, typename Handler> |
| inline void asio_handler_invoke(Function& function, |
| wrapped_handler<Dispatcher, Handler>* this_handler) |
| { |
| this_handler->dispatcher_.dispatch( |
| rewrapped_handler<Function, Handler>( |
| function, this_handler->handler_)); |
| } |
| |
| template <typename Function, typename Dispatcher, typename Handler> |
| inline void asio_handler_invoke(const Function& function, |
| wrapped_handler<Dispatcher, Handler>* this_handler) |
| { |
| this_handler->dispatcher_.dispatch( |
| rewrapped_handler<Function, Handler>( |
| function, this_handler->handler_)); |
| } |
| |
| template <typename Handler, typename Context> |
| inline void* asio_handler_allocate(std::size_t size, |
| rewrapped_handler<Handler, Context>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->context_); |
| } |
| |
| template <typename Handler, typename Context> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| rewrapped_handler<Handler, Context>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->context_); |
| } |
| |
| template <typename Function, typename Handler, typename Context> |
| inline void asio_handler_invoke(Function& function, |
| rewrapped_handler<Handler, Context>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->context_); |
| } |
| |
| template <typename Function, typename Handler, typename Context> |
| inline void asio_handler_invoke(const Function& function, |
| rewrapped_handler<Handler, Context>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->context_); |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_DETAIL_WRAPPED_HANDLER_HPP |