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Diffstat (limited to 'boost/asio/detail/wrapped_handler.hpp')
-rw-r--r-- | boost/asio/detail/wrapped_handler.hpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/boost/asio/detail/wrapped_handler.hpp b/boost/asio/detail/wrapped_handler.hpp new file mode 100644 index 0000000000..d82da22b70 --- /dev/null +++ b/boost/asio/detail/wrapped_handler.hpp @@ -0,0 +1,256 @@ +// +// 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 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_(BOOST_ASIO_MOVE_CAST(Handler)(handler)) + { + } + +#if defined(BOOST_ASIO_HAS_MOVE) + wrapped_handler(const wrapped_handler& other) + : dispatcher_(other.dispatcher_), + handler_(other.handler_) + { + } + + wrapped_handler(wrapped_handler&& other) + : dispatcher_(other.dispatcher_), + handler_(BOOST_ASIO_MOVE_CAST(Handler)(other.handler_)) + { + } +#endif // defined(BOOST_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_(BOOST_ASIO_MOVE_CAST(Handler)(handler)) + { + } + + explicit rewrapped_handler(const Handler& handler, const Context& context) + : context_(context), + handler_(handler) + { + } + +#if defined(BOOST_ASIO_HAS_MOVE) + rewrapped_handler(const rewrapped_handler& other) + : context_(other.context_), + handler_(other.handler_) + { + } + + rewrapped_handler(rewrapped_handler&& other) + : context_(BOOST_ASIO_MOVE_CAST(Context)(other.context_)), + handler_(BOOST_ASIO_MOVE_CAST(Handler)(other.handler_)) + { + } +#endif // defined(BOOST_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 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(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 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(Function& function, + rewrapped_handler<Handler, Context>* this_handler) +{ + boost_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) +{ + 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 |