abstractVirtualSensorWorker.h

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/* Copyright 2014 - 2015 CyberTech Labs Ltd.
 *
 * 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. */

#pragma once

#include <QtCore/QObject>
#include <QtCore/QScopedPointer>
#include <QtCore/QString>
#include <QtCore/QStringList>

#include "deviceInterface.h"
#include "deviceState.h"

namespace trikHal {
class HardwareAbstractionInterface;
class FifoInterface;
class OutputDeviceFileInterface;
class SystemConsoleInterface;
}

namespace trikControl {

class AbstractVirtualSensorWorker : public QObject, public DeviceInterface
{
    Q_OBJECT

public:
    AbstractVirtualSensorWorker(const QString &script, const QString &inputFile, const QString &outputFile
            , DeviceState &state, trikHal::HardwareAbstractionInterface &hardwareAbstraction);

    ~AbstractVirtualSensorWorker() override;

    Status status() const override;

signals:
    void stopped();

public slots:
    virtual void stop();

protected:
    void init();

    void sendCommand(const QString &command);

private slots:
    void onNewDataInOutputFifo(const QString &data);

private:
    virtual QString sensorName() const = 0;

    virtual void onNewData(const QString &dataLine) = 0;

    void initVirtualSensor();

    bool launchSensorScript(const QString &command);

    void startVirtualSensor();

    void openFifos();

    void deinitialize();

    void sync();

    trikHal::SystemConsoleInterface &mSystemConsole;

    QScopedPointer<trikHal::FifoInterface> mOutputFifo;

    QString mScript;

    QScopedPointer<trikHal::OutputDeviceFileInterface> mInputFile;

    QStringList mCommandQueue;

    DeviceState &mState;

    trikHal::HardwareAbstractionInterface &mHardwareAbstraction;

    const QString mOutputFile;
};

}