ILogUploadStrategy.hpp

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/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ILOGUPLOADSTRATEGY_HPP_
#define ILOGUPLOADSTRATEGY_HPP_

#include <memory>
#include <cstdint>

#include "kaa/gen/EndpointGen.hpp"

namespace kaa {

/*
 * Forward declaration.
 */
class ILogStorageStatus;
class ILogFailoverCommand;

enum class LogUploadStrategyDecision {
    NOOP = 0, 
    UPLOAD    
};

class ILogUploadStrategy {
public:
    virtual LogUploadStrategyDecision isUploadNeeded(ILogStorageStatus& status) = 0;

    virtual std::size_t getTimeout() = 0;

    virtual std::size_t getTimeoutCheckPeriod() = 0;

    virtual std::size_t getLogUploadCheckPeriod() = 0;

    virtual std::size_t getMaxParallelUploads() = 0;

    virtual void onTimeout(ILogFailoverCommand& controller) = 0;

    virtual void onFailure(ILogFailoverCommand& controller, LogDeliveryErrorCode code) = 0;

    virtual ~ILogUploadStrategy() {}
};


typedef std::shared_ptr<ILogUploadStrategy> ILogUploadStrategyPtr;

}  // namespace kaa

#endif /* ILOGUPLOADSTRATEGY_HPP_ */