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- //
- // detail/bind_handler.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2015 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_BIND_HANDLER_HPP
- #define ASIO_DETAIL_BIND_HANDLER_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include "asio/associated_allocator.hpp"
- #include "asio/associated_executor.hpp"
- #include "asio/detail/handler_alloc_helpers.hpp"
- #include "asio/detail/handler_cont_helpers.hpp"
- #include "asio/detail/handler_invoke_helpers.hpp"
- #include "asio/detail/type_traits.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace detail {
-
- template <typename Handler, typename Arg1>
- class binder1
- {
- public:
- template <typename T>
- binder1(int, ASIO_MOVE_ARG(T) handler, const Arg1& arg1)
- : handler_(ASIO_MOVE_CAST(T)(handler)),
- arg1_(arg1)
- {
- }
-
- binder1(Handler& handler, const Arg1& arg1)
- : handler_(ASIO_MOVE_CAST(Handler)(handler)),
- arg1_(arg1)
- {
- }
-
- #if defined(ASIO_HAS_MOVE)
- binder1(const binder1& other)
- : handler_(other.handler_),
- arg1_(other.arg1_)
- {
- }
-
- binder1(binder1&& other)
- : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
- arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_))
- {
- }
- #endif // defined(ASIO_HAS_MOVE)
-
- void operator()()
- {
- handler_(static_cast<const Arg1&>(arg1_));
- }
-
- void operator()() const
- {
- handler_(arg1_);
- }
-
- //private:
- Handler handler_;
- Arg1 arg1_;
- };
-
- template <typename Handler, typename Arg1>
- inline void* asio_handler_allocate(std::size_t size,
- binder1<Handler, Arg1>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- binder1<Handler, Arg1>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1>
- inline bool asio_handler_is_continuation(
- binder1<Handler, Arg1>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1>
- inline void asio_handler_invoke(Function& function,
- binder1<Handler, Arg1>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1>
- inline void asio_handler_invoke(const Function& function,
- binder1<Handler, Arg1>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1>
- inline binder1<typename decay<Handler>::type, Arg1> bind_handler(
- ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1)
- {
- return binder1<typename decay<Handler>::type, Arg1>(0,
- ASIO_MOVE_CAST(Handler)(handler), arg1);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- class binder2
- {
- public:
- template <typename T>
- binder2(int, ASIO_MOVE_ARG(T) handler,
- const Arg1& arg1, const Arg2& arg2)
- : handler_(ASIO_MOVE_CAST(T)(handler)),
- arg1_(arg1),
- arg2_(arg2)
- {
- }
-
- binder2(Handler& handler, const Arg1& arg1, const Arg2& arg2)
- : handler_(ASIO_MOVE_CAST(Handler)(handler)),
- arg1_(arg1),
- arg2_(arg2)
- {
- }
-
- #if defined(ASIO_HAS_MOVE)
- binder2(const binder2& other)
- : handler_(other.handler_),
- arg1_(other.arg1_),
- arg2_(other.arg2_)
- {
- }
-
- binder2(binder2&& other)
- : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
- arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_)),
- arg2_(ASIO_MOVE_CAST(Arg2)(other.arg2_))
- {
- }
- #endif // defined(ASIO_HAS_MOVE)
-
- void operator()()
- {
- handler_(static_cast<const Arg1&>(arg1_),
- static_cast<const Arg2&>(arg2_));
- }
-
- void operator()() const
- {
- handler_(arg1_, arg2_);
- }
-
- //private:
- Handler handler_;
- Arg1 arg1_;
- Arg2 arg2_;
- };
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline void* asio_handler_allocate(std::size_t size,
- binder2<Handler, Arg1, Arg2>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- binder2<Handler, Arg1, Arg2>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline bool asio_handler_is_continuation(
- binder2<Handler, Arg1, Arg2>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1, typename Arg2>
- inline void asio_handler_invoke(Function& function,
- binder2<Handler, Arg1, Arg2>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1, typename Arg2>
- inline void asio_handler_invoke(const Function& function,
- binder2<Handler, Arg1, Arg2>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline binder2<typename decay<Handler>::type, Arg1, Arg2> bind_handler(
- ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1, const Arg2& arg2)
- {
- return binder2<typename decay<Handler>::type, Arg1, Arg2>(0,
- ASIO_MOVE_CAST(Handler)(handler), arg1, arg2);
- }
-
- #if defined(ASIO_HAS_MOVE)
-
- template <typename Handler, typename Arg1>
- class move_binder1
- {
- public:
- move_binder1(int, ASIO_MOVE_ARG(Handler) handler,
- ASIO_MOVE_ARG(Arg1) arg1)
- : handler_(ASIO_MOVE_CAST(Handler)(handler)),
- arg1_(ASIO_MOVE_CAST(Arg1)(arg1))
- {
- }
-
- move_binder1(move_binder1&& other)
- : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
- arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_))
- {
- }
-
- void operator()()
- {
- handler_(ASIO_MOVE_CAST(Arg1)(arg1_));
- }
-
- //private:
- Handler handler_;
- Arg1 arg1_;
- };
-
- template <typename Handler, typename Arg1>
- inline void* asio_handler_allocate(std::size_t size,
- move_binder1<Handler, Arg1>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- move_binder1<Handler, Arg1>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1>
- inline bool asio_handler_is_continuation(
- move_binder1<Handler, Arg1>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1>
- inline void asio_handler_invoke(ASIO_MOVE_ARG(Function) function,
- move_binder1<Handler, Arg1>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- ASIO_MOVE_CAST(Function)(function), this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- class move_binder2
- {
- public:
- move_binder2(int, ASIO_MOVE_ARG(Handler) handler,
- const Arg1& arg1, ASIO_MOVE_ARG(Arg2) arg2)
- : handler_(ASIO_MOVE_CAST(Handler)(handler)),
- arg1_(arg1),
- arg2_(ASIO_MOVE_CAST(Arg2)(arg2))
- {
- }
-
- move_binder2(move_binder2&& other)
- : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
- arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_)),
- arg2_(ASIO_MOVE_CAST(Arg2)(other.arg2_))
- {
- }
-
- void operator()()
- {
- handler_(static_cast<const Arg1&>(arg1_),
- ASIO_MOVE_CAST(Arg2)(arg2_));
- }
-
- //private:
- Handler handler_;
- Arg1 arg1_;
- Arg2 arg2_;
- };
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline void* asio_handler_allocate(std::size_t size,
- move_binder2<Handler, Arg1, Arg2>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- move_binder2<Handler, Arg1, Arg2>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename Handler, typename Arg1, typename Arg2>
- inline bool asio_handler_is_continuation(
- move_binder2<Handler, Arg1, Arg2>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename Handler, typename Arg1, typename Arg2>
- inline void asio_handler_invoke(ASIO_MOVE_ARG(Function) function,
- move_binder2<Handler, Arg1, Arg2>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- ASIO_MOVE_CAST(Function)(function), this_handler->handler_);
- }
-
- #endif // defined(ASIO_HAS_MOVE)
-
- } // namespace detail
-
- template <typename Handler, typename Arg1, typename Allocator>
- struct associated_allocator<detail::binder1<Handler, Arg1>, Allocator>
- {
- typedef typename associated_allocator<Handler, Allocator>::type type;
-
- static type get(const detail::binder1<Handler, Arg1>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<Handler, Allocator>::get(h.handler_, a);
- }
- };
-
- template <typename Handler, typename Arg1, typename Arg2, typename Allocator>
- struct associated_allocator<detail::binder2<Handler, Arg1, Arg2>, Allocator>
- {
- typedef typename associated_allocator<Handler, Allocator>::type type;
-
- static type get(const detail::binder2<Handler, Arg1, Arg2>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<Handler, Allocator>::get(h.handler_, a);
- }
- };
-
- template <typename Handler, typename Arg1, typename Executor>
- struct associated_executor<detail::binder1<Handler, Arg1>, Executor>
- {
- typedef typename associated_executor<Handler, Executor>::type type;
-
- static type get(const detail::binder1<Handler, Arg1>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<Handler, Executor>::get(h.handler_, ex);
- }
- };
-
- template <typename Handler, typename Arg1, typename Arg2, typename Executor>
- struct associated_executor<detail::binder2<Handler, Arg1, Arg2>, Executor>
- {
- typedef typename associated_executor<Handler, Executor>::type type;
-
- static type get(const detail::binder2<Handler, Arg1, Arg2>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<Handler, Executor>::get(h.handler_, ex);
- }
- };
-
- #if defined(ASIO_HAS_MOVE)
-
- template <typename Handler, typename Arg1, typename Allocator>
- struct associated_allocator<detail::move_binder1<Handler, Arg1>, Allocator>
- {
- typedef typename associated_allocator<Handler, Allocator>::type type;
-
- static type get(const detail::move_binder1<Handler, Arg1>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<Handler, Allocator>::get(h.handler_, a);
- }
- };
-
- template <typename Handler, typename Arg1, typename Arg2, typename Allocator>
- struct associated_allocator<
- detail::move_binder2<Handler, Arg1, Arg2>, Allocator>
- {
- typedef typename associated_allocator<Handler, Allocator>::type type;
-
- static type get(const detail::move_binder2<Handler, Arg1, Arg2>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<Handler, Allocator>::get(h.handler_, a);
- }
- };
-
- template <typename Handler, typename Arg1, typename Executor>
- struct associated_executor<detail::move_binder1<Handler, Arg1>, Executor>
- {
- typedef typename associated_executor<Handler, Executor>::type type;
-
- static type get(const detail::move_binder1<Handler, Arg1>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<Handler, Executor>::get(h.handler_, ex);
- }
- };
-
- template <typename Handler, typename Arg1, typename Arg2, typename Executor>
- struct associated_executor<detail::move_binder2<Handler, Arg1, Arg2>, Executor>
- {
- typedef typename associated_executor<Handler, Executor>::type type;
-
- static type get(const detail::move_binder2<Handler, Arg1, Arg2>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<Handler, Executor>::get(h.handler_, ex);
- }
- };
-
- #endif // defined(ASIO_HAS_MOVE)
-
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_DETAIL_BIND_HANDLER_HPP
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