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pilotclient/src/blackmisc/threadedreader.h

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2.3 KiB
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/* Copyright (C) 2013
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
* including this file, may be copied, modified, propagated, or distributed except according to the terms
* contained in the LICENSE file.
*/
#ifndef BLACKMISC_THREADED_READER_H
#define BLACKMISC_THREADED_READER_H
//! \file
#include "worker.h"
#include <QReadWriteLock>
#include <QDateTime>
#include <QTimer>
#include <QNetworkReply>
#include <QCoreApplication>
namespace BlackMisc
{
/*!
* Support for threaded based reading and parsing tasks such
* as data files via http, or file system and parsing (such as FSX models)
*/
class CThreadedReader : public CContinuousWorker
{
public:
//! Thread safe, set update timestamp
//! \threadsafe
QDateTime getUpdateTimestamp() const;
//! Thread safe, set update timestamp
//! \threadsafe
void setUpdateTimestamp(const QDateTime &updateTimestamp);
//! Request to stop
//! \threadsafe
void requestStop();
//! Destructor
virtual ~CThreadedReader();
//! \copydoc CContinuousWorker::cleanup
virtual void cleanup() override;
//! Thread ended of stop requested
virtual bool isFinished() const override;
/*!
* Set the update time
* \param updatePeriodMs <=0 stops the timer
* \threadsafe
*/
void setInterval(int updatePeriodMs);
//! Get the timer interval (ms)
//! \threadsafe
int interval() const;
protected:
//! Constructor
CThreadedReader(QObject *owner, const QString &name);
QTimer *m_updateTimer = nullptr; //!< update timer
mutable QReadWriteLock m_lock {QReadWriteLock::Recursive}; //!< lock
//! Make sure everthing runs correctly in own thread
void threadAssertCheck() const;
private:
QDateTime m_updateTimestamp; //!< when was file / resource read
bool m_stopped = false; //!< optional network reply to be stopped
};
} // namespace
#endif // guard