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92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/*
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* Copyright (c) 2012, Peter Thorson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef WEBSOCKETPP_EXTENSION_PERMESSAGE_COMPRESS_DISABLED_HPP
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#define WEBSOCKETPP_EXTENSION_PERMESSAGE_COMPRESS_DISABLED_HPP
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#include <websocketpp/common/cpp11.hpp>
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#include <websocketpp/common/system_error.hpp>
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#include <websocketpp/extensions/extension.hpp>
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#include <map>
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#include <string>
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#include <utility>
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namespace websocketpp {
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namespace extensions {
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namespace permessage_compress {
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/// Stub class for use when disabling permessage_compress extension
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/**
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* This class is a stub that impliments the permessage_compress interface
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* with minimal dependencies. It is used to disable permessage_compress
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* functionality at compile time without loading any unnecessary code.
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*/
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template <typename config>
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class disabled {
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typedef typename config::request_type::attribute_list attribute_list;
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typedef std::pair<lib::error_code,std::string> err_str_pair;
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public:
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err_str_pair negotiate(const attribute_list& attributes) {
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return make_pair(make_error_code(error::disabled),std::string());
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}
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/// Returns true if the extension is capable of providing
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/// permessage_compress functionality
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bool is_implimented() const {
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return false;
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}
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/// Returns true if permessage_compress functionality is active for this
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/// connection
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bool is_enabled() const {
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return false;
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}
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lib::error_code compress(const std::string in, std::string &out) {
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return make_error_code(error::disabled);
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}
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lib::error_code decompress(const uint8_t * buf, size_t len,
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std::string &out)
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{
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return make_error_code(error::disabled);
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}
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lib::error_code decompress(const std::string in, std::string &out) {
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return make_error_code(error::disabled);
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}
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};
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} // namespace permessage_compress
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} // namespace extensions
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} // namespace websocketpp
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#endif // WEBSOCKETPP_EXTENSION_PERMESSAGE_COMPRESS_DISABLED_HPP
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