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8b60ef9db4
9f10b11 Set version to 1.0.0-b28 195f974 Fix HTTP split parse edge case: 264fd41 Restyle async result constructions 572a0eb Split out and rename test stream classes 95b6646 Tidy up some WebSocket javadocs f6938d3 Set version to 1.0.0-b27 a6120cd Update copyright dates c7bfe7d Add documentation building instructions f6c91ce Tidy up tests and docs: f03985f Move basic_streambuf to streambuf.hpp (API Change): b8639a7 Invoke callback on pings and pongs (API Change): git-subtree-dir: src/beast git-subtree-split: 9f10b11eff58aeb793b673c8a8cb6e2bee3db621
76 lines
1.6 KiB
C++
76 lines
1.6 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_HTTP_EMPTY_BODY_HPP
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#define BEAST_HTTP_EMPTY_BODY_HPP
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#include <beast/core/error.hpp>
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#include <beast/http/message.hpp>
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#include <beast/http/resume_context.hpp>
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#include <beast/core/detail/type_traits.hpp>
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#include <boost/asio/buffer.hpp>
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#include <boost/logic/tribool.hpp>
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#include <memory>
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#include <string>
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namespace beast {
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namespace http {
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/** An empty content-body.
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Meets the requirements of @b `Body`.
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*/
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struct empty_body
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{
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#if GENERATING_DOCS
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/// The type of the `message::body` member
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using value_type = void;
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#else
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struct value_type {};
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#endif
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#if GENERATING_DOCS
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private:
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#endif
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struct writer
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{
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template<bool isRequest, class Fields>
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explicit
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writer(message<isRequest, empty_body, Fields> const& m) noexcept
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{
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beast::detail::ignore_unused(m);
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}
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void
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init(error_code& ec) noexcept
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{
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beast::detail::ignore_unused(ec);
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}
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std::uint64_t
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content_length() const noexcept
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{
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return 0;
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}
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template<class WriteFunction>
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boost::tribool
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write(resume_context&&, error_code&,
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WriteFunction&& wf) noexcept
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{
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wf(boost::asio::null_buffers{});
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return true;
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}
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};
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};
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} // http
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} // beast
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#endif
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