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shared_const_buffer.hpp
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shared_const_buffer.hpp
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/*
* Copyright (c) 2011, 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 SHARED_CONST_BUFFER_HPP
#define SHARED_CONST_BUFFER_HPP
#include <boost/asio.hpp>
#include <boost/shared_ptr.hpp>
#include <string>
#include <vector>
namespace websocketpp {
class shared_const_buffer {
public:
explicit shared_const_buffer(const std::string &data) : m_data(new std::vector<char>(data.begin(), data.end())),
m_buffer(boost::asio::buffer(*m_data)) {}
public:
typedef boost::asio::const_buffer value_type;
typedef const boost::asio::const_buffer *const_iterator;
const boost::asio::const_buffer *begin() const { return &m_buffer; }
const boost::asio::const_buffer *end() const { return &m_buffer + 1; }
private:
boost::shared_ptr< std::vector<char> > m_data;
boost::asio::const_buffer m_buffer;
};
} // namespace websocketpp
#endif // SHARED_CONST_BUFFER_HPP