Files
rippled/websocketpp/extensions/permessage_deflate/disabled.hpp
2013-07-21 07:49:15 -05:00

92 lines
3.4 KiB
C++

/*
* Copyright (c) 2013, Peter Thorson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the WebSocket++ Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef WEBSOCKETPP_EXTENSION_PERMESSAGE_DEFLATE_DISABLED_HPP
#define WEBSOCKETPP_EXTENSION_PERMESSAGE_DEFLATE_DISABLED_HPP
#include <websocketpp/common/cpp11.hpp>
#include <websocketpp/common/system_error.hpp>
#include <websocketpp/http/constants.hpp>
#include <websocketpp/extensions/extension.hpp>
#include <map>
#include <string>
#include <utility>
namespace websocketpp {
namespace extensions {
namespace permessage_deflate {
/// Stub class for use when disabling permessage_deflate extension
/**
* This class is a stub that implements the permessage_deflate interface
* with minimal dependencies. It is used to disable permessage_deflate
* functionality at compile time without loading any unnecessary code.
*/
template <typename config>
class disabled {
typedef std::pair<lib::error_code,std::string> err_str_pair;
public:
err_str_pair negotiate(http::attribute_list const & attributes) {
return make_pair(make_error_code(error::disabled),std::string());
}
/// Returns true if the extension is capable of providing
/// permessage_deflate functionality
bool is_implemented() const {
return false;
}
/// Returns true if permessage_deflate functionality is active for this
/// connection
bool is_enabled() const {
return false;
}
lib::error_code compress(std::string const & in, std::string & out) {
return make_error_code(error::disabled);
}
lib::error_code decompress(uint8_t const * buf, size_t len,
std::string & out)
{
return make_error_code(error::disabled);
}
lib::error_code decompress(std::string const & in, std::string & out) {
return make_error_code(error::disabled);
}
};
} // namespace permessage_deflate
} // namespace extensions
} // namespace websocketpp
#endif // WEBSOCKETPP_EXTENSION_PERMESSAGE_DEFLATE_DISABLED_HPP