// // detail/wrapped_handler.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2010 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_DETAIL_WRAPPED_HANDLER_HPP #define BOOST_ASIO_DETAIL_WRAPPED_HANDLER_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/bind_handler.hpp> #include <boost/asio/detail/handler_alloc_helpers.hpp> #include <boost/asio/detail/handler_invoke_helpers.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { 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_(handler) { } 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(const Handler& handler, const Context& context) : handler_(handler), context_(context) { } void operator()() { handler_(); } void operator()() const { handler_(); } //private: Handler handler_; Context context_; }; template <typename Dispatcher, typename Handler> inline void* asio_handler_allocate(std::size_t size, wrapped_handler<Dispatcher, Handler>* this_handler) { return boost_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) { boost_asio_handler_alloc_helpers::deallocate( pointer, size, 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 boost_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) { boost_asio_handler_alloc_helpers::deallocate( pointer, size, this_handler->context_); } template <typename Function, typename Handler, typename Context> inline void asio_handler_invoke(const Function& function, rewrapped_handler<Handler, Context>* this_handler) { boost_asio_handler_invoke_helpers::invoke( function, this_handler->context_); } } // namespace detail } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // BOOST_ASIO_DETAIL_WRAPPED_HANDLER_HPP