//
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// Copyright (c) 2016-2019 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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// Official repository: https://github.com/boostorg/beast
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//
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#ifndef BOOST_BEAST_WEBSOCKET_IMPL_RFC6455_HPP
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#define BOOST_BEAST_WEBSOCKET_IMPL_RFC6455_HPP
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#include <boost/beast/http/fields.hpp>
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#include <boost/beast/http/rfc7230.hpp>
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namespace boost {
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namespace beast {
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namespace websocket {
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template<class Allocator>
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bool
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is_upgrade(http::header<true,
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http::basic_fields<Allocator>> const& req)
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{
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if(req.version() < 11)
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return false;
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if(req.method() != http::verb::get)
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return false;
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if(! http::token_list{req[http::field::connection]}.exists("upgrade"))
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return false;
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if(! http::token_list{req[http::field::upgrade]}.exists("websocket"))
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return false;
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return true;
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}
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} // websocket
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} // beast
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} // boost
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#endif
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