/*

 * Copyright 2013-2022 Step Function I/O, LLC

 *

 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Step Function I/O

 * LLC (https://stepfunc.io) under one or more contributor license agreements.

 * See the NOTICE file distributed with this work for additional information

 * regarding copyright ownership. Green Energy Corp and Step Function I/O LLC license

 * this file to you 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.

 */

#include "PollTaskBase.h"

#include "logging/LogMacros.h"

#include "master/MeasurementHandler.h"

#include "opendnp3/logging/LogLevels.h"

namespace opendnp3

{

PollTaskBase::PollTaskBase(const std::shared_ptr<TaskContext>& context,

                           IMasterApplication& application,

                           std::shared_ptr<ISOEHandler> handler,

                           const TaskBehavior& behavior,

                           const Logger& logger,

                           TaskConfig config)

    : IMasterTask(context, application, behavior, logger, config), handler(std::move(handler))

{

}

void PollTaskBase::Initialize()

{

    this->rxCount = 0;

}

IMasterTask::ResponseResult PollTaskBase::ProcessResponse(const APDUResponseHeader& header,

                                                          const ser4cpp::rseq_t& objects)

{

    if (header.control.FIR)

    {

        if (this->rxCount > 0)

        {

            SIMPLE_LOG_BLOCK(logger, flags::WARN, "Ignoring unexpected FIR frame");

            return ResponseResult::ERROR_BAD_RESPONSE;

        }

        return ProcessMeasurements(header, objects);

    }

    else

    {

        if (this->rxCount > 0)

        {

            return ProcessMeasurements(header, objects);

        }

        SIMPLE_LOG_BLOCK(logger, flags::WARN, "Ignoring unexpected non-FIR frame");

        return ResponseResult::ERROR_BAD_RESPONSE;

    }

}

IMasterTask::ResponseResult PollTaskBase::ProcessMeasurements(const APDUResponseHeader& header,

                                                              const ser4cpp::rseq_t& objects)

{

    ++rxCount;

    if (MeasurementHandler::ProcessMeasurements(header.as_response_info(), objects, logger, handler.get())

        == ParseResult::OK)

    {

        return header.control.FIN ? ResponseResult::OK_FINAL : ResponseResult::OK_CONTINUE;

    }

    return ResponseResult::ERROR_BAD_RESPONSE;

}

} // namespace opendnp3