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c652cf066d
06f74f0 Set version to 1.0.0-b26 68f535f Tidy up warnings and tests: 4ee5fa9 Set version to 1.0.0-b25 229d390 Update README.md for CppCast 2017 c3e3a55 Fix deflate setup bug 439a224 WebSocket server examples and test tidying: 29565c8 Remove unnecessary include caa3b39 Fix 32-bit arm7 warnings 0474cc5 Better handler_ptr (API Change): ca38657 Fixes for websocket echo server: 797631c Set version to 1.0.0-b24 a450968 Add permessage-deflate WebSocket extension: 67e965e Make decorator copyable 42899fc Add optional yield_to arguments 61aef03 Simplify Travis package install specification 9d0d7c9 bjam use clang on MACOSX git-subtree-dir: src/beast git-subtree-split: 06f74f05f7de51d7f791a17c2b06840183332cbe
130 lines
2.7 KiB
C++
130 lines
2.7 KiB
C++
//
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// Copyright (c) 2013-2016 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_IMPL_HANDLER_PTR_HPP
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#define BEAST_IMPL_HANDLER_PTR_HPP
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#include <beast/core/handler_helpers.hpp>
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#include <boost/asio/detail/handler_alloc_helpers.hpp>
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#include <boost/assert.hpp>
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#include <memory>
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namespace beast {
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template<class T, class Handler>
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template<class DeducedHandler, class... Args>
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inline
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handler_ptr<T, Handler>::P::
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P(DeducedHandler&& h, Args&&... args)
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: n(1)
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, handler(std::forward<DeducedHandler>(h))
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{
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t = reinterpret_cast<T*>(
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beast_asio_helpers::
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allocate(sizeof(T), handler));
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try
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{
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t = new(t) T{handler,
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std::forward<Args>(args)...};
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}
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catch(...)
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{
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beast_asio_helpers::
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deallocate(t, sizeof(T), handler);
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throw;
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}
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}
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template<class T, class Handler>
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handler_ptr<T, Handler>::
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~handler_ptr()
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{
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if(! p_)
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return;
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if(--p_->n)
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return;
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if(p_->t)
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{
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p_->t->~T();
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beast_asio_helpers::
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deallocate(p_->t, sizeof(T), p_->handler);
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}
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delete p_;
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}
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template<class T, class Handler>
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handler_ptr<T, Handler>::
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handler_ptr(handler_ptr&& other)
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: p_(other.p_)
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{
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other.p_ = nullptr;
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}
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template<class T, class Handler>
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handler_ptr<T, Handler>::
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handler_ptr(handler_ptr const& other)
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: p_(other.p_)
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{
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if(p_)
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++p_->n;
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}
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template<class T, class Handler>
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template<class... Args>
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handler_ptr<T, Handler>::
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handler_ptr(Handler&& handler, Args&&... args)
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: p_(new P{std::move(handler),
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std::forward<Args>(args)...})
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{
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static_assert(! std::is_array<T>::value,
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"T must not be an array type");
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}
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template<class T, class Handler>
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template<class... Args>
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handler_ptr<T, Handler>::
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handler_ptr(Handler const& handler, Args&&... args)
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: p_(new P{handler, std::forward<Args>(args)...})
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{
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static_assert(! std::is_array<T>::value,
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"T must not be an array type");
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}
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template<class T, class Handler>
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auto
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handler_ptr<T, Handler>::
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release_handler() ->
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handler_type
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{
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BOOST_ASSERT(p_);
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BOOST_ASSERT(p_->t);
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p_->t->~T();
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beast_asio_helpers::
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deallocate(p_->t, sizeof(T), p_->handler);
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p_->t = nullptr;
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return std::move(p_->handler);
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}
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template<class T, class Handler>
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template<class... Args>
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void
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handler_ptr<T, Handler>::
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invoke(Args&&... args)
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{
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BOOST_ASSERT(p_);
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BOOST_ASSERT(p_->t);
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p_->t->~T();
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beast_asio_helpers::
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deallocate(p_->t, sizeof(T), p_->handler);
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p_->t = nullptr;
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p_->handler(std::forward<Args>(args)...);
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}
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} // beast
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#endif
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