forked from boostorg/beast
Vinnie Falco
087844c487
Every interface or implementation which operates on a templated type Fields is evaluated to determine if basic_fields<Allocator> is more appropriate, and changed if so.
39 lines
953 B
C++
39 lines
953 B
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_WEBSOCKET_IMPL_RFC6455_IPP
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#define BEAST_WEBSOCKET_IMPL_RFC6455_IPP
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#include <beast/http/fields.hpp>
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#include <beast/http/rfc7230.hpp>
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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["Connection"]}.exists("upgrade"))
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return false;
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if(! http::token_list{req["Upgrade"]}.exists("websocket"))
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return false;
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if(! req.count(http::field::sec_websocket_version))
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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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#endif
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