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d8dea963fa
6d5547a Set version to 1.0.0-b34 6fab138 Fix and tidy up CMake build scripts: ccefa54 Set version to 1.0.0-b33 32afe41 Set internal state correctly when writing frames: fe3e20b Add write_frames unit test 578dcd0 Add decorator unit test aaa3733 Use fwrite return value in file_body df66165 Require Visual Studio 2015 Update 3 or later b8e5a21 Set version to 1.0.0-b32 ffb1758 Update CMake scripts for finding packages: b893749 Remove http Writer suspend and resume feature (API Change): 27864fb Add io_service completion invariants tests eba05a7 Set version to 1.0.0-b31 484bcef Fix badge markdown in README.md 5663bea Add missing dynabuf_readstream member 0d7a551 Tidy up build settings 0fd4030 Move the handler, don't copy it git-subtree-dir: src/beast git-subtree-split: 6d5547a32c50ec95832c4779311502555ab0ee1f
115 lines
2.3 KiB
C++
115 lines
2.3 KiB
C++
//
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// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BEAST_BIND_DETAIL_HANDLER_HPP
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#define BEAST_BIND_DETAIL_HANDLER_HPP
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#include <beast/core/handler_helpers.hpp>
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#include <beast/core/detail/integer_sequence.hpp>
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#include <utility>
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namespace beast {
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namespace detail {
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/* Nullary handler that calls Handler with bound arguments.
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The bound handler provides the same io_service execution
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guarantees as the original handler.
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*/
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template<class Handler, class... Args>
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class bound_handler
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{
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private:
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using args_type = std::tuple<
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typename std::decay<Args>::type...>;
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Handler h_;
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args_type args_;
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template<class Tuple, std::size_t... S>
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static void invoke(Handler& h, Tuple& args,
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index_sequence<S...>)
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{
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h(std::get<S>(args)...);
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}
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public:
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using result_type = void;
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template<class DeducedHandler>
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explicit
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bound_handler(
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DeducedHandler&& handler, Args&&... args)
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: h_(std::forward<DeducedHandler>(handler))
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, args_(std::forward<Args>(args)...)
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{
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}
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void
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operator()()
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{
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invoke(h_, args_,
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index_sequence_for<Args...>());
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}
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void
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operator()() const
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{
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invoke(h_, args_,
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index_sequence_for<Args...>());
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}
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friend
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void*
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asio_handler_allocate(
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std::size_t size, bound_handler* h)
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{
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return beast_asio_helpers::
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allocate(size, h->h_);
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}
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friend
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void
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asio_handler_deallocate(
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void* p, std::size_t size, bound_handler* h)
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{
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beast_asio_helpers::
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deallocate(p, size, h->h_);
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}
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friend
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bool
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asio_handler_is_continuation(bound_handler* h)
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{
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return beast_asio_helpers::
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is_continuation (h->h_);
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}
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template<class F>
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friend
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void
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asio_handler_invoke(F&& f, bound_handler* h)
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{
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beast_asio_helpers::
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invoke(f, h->h_);
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}
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};
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} // detail
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} // beast
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#include <functional>
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namespace std {
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template<class Handler, class... Args>
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void
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bind(beast::detail::bound_handler<
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Handler, Args...>, ...) = delete;
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} // std
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#endif
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