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wlan-cloud-lib-cppkafka/include/cppkafka/message_internal.h
2018-06-10 13:00:56 -04:00

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/*
* Copyright (c) 2017, Matias Fontanini
* 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.
*
* 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 THE COPYRIGHT
* OWNER OR CONTRIBUTORS 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 CPPKAFKA_MESSAGE_INTERNAL_H
#define CPPKAFKA_MESSAGE_INTERNAL_H
#include <memory>
#include "message.h"
namespace cppkafka {
class Producer;
struct Internal {
virtual ~Internal() = default;
};
using InternalPtr = std::shared_ptr<Internal>;
/**
* \brief Private message data structure
*/
class MessageInternal {
friend Producer;
public:
static std::unique_ptr<MessageInternal> load(const Producer& producer, Message& message);
private:
MessageInternal(void* user_data, std::shared_ptr<Internal> internal);
void* user_data_;
InternalPtr internal_;
};
}
#endif //CPPKAFKA_MESSAGE_INTERNAL_H