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3d7a39ed00
* Include only what is used * Use forward declaration when possible * Sorted includes refs #630
106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/* Copyright (C) 2013
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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#include "blackmisc/network/networkutils.h"
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#include "blackmisc/threadedreader.h"
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#include "blackmisc/threadutils.h"
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#include <QCoreApplication>
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#include <QMetaObject>
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#include <QReadLocker>
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#include <QThread>
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#include <QTimer>
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#include <QWriteLocker>
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using namespace BlackMisc;
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using namespace BlackMisc::Network;
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namespace BlackMisc
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{
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CThreadedReader::CThreadedReader(QObject *owner, const QString &name) :
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CContinuousWorker(owner, name),
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m_updateTimer(new QTimer(this))
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{
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// void
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}
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qint64 CThreadedReader::lastModifiedMsSinceEpoch(QNetworkReply *nwReply) const
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{
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return CNetworkUtils::lastModifiedMsSinceEpoch(nwReply);
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}
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QDateTime CThreadedReader::getUpdateTimestamp() const
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{
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QReadLocker lock(&this->m_lock);
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return this->m_updateTimestamp;
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}
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void CThreadedReader::setUpdateTimestamp(const QDateTime &updateTimestamp)
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{
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QWriteLocker lock(&this->m_lock);
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this->m_updateTimestamp = updateTimestamp;
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}
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bool CThreadedReader::updatedWithinLastMs(qint64 timeLastMs)
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{
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QDateTime dt(getUpdateTimestamp());
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if (dt.isNull() || !dt.isValid()) { return false; }
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qint64 delta = QDateTime::currentMSecsSinceEpoch() - dt.toMSecsSinceEpoch();
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return delta <= timeLastMs;
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}
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void CThreadedReader::requestReload()
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{
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// default implementation, subclasses shall override as required
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this->initialize();
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}
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void CThreadedReader::gracefulShutdown()
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{
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// if not in main thread stop, otherwise it makes no sense to abandon
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if (!CThreadUtils::isCurrentThreadObjectThread(this))
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{
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this->abandonAndWait();
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}
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}
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CThreadedReader::~CThreadedReader()
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{
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gracefulShutdown();
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}
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void CThreadedReader::setInterval(int updatePeriodMs)
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{
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Q_ASSERT(this->m_updateTimer);
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bool s;
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if (updatePeriodMs < 1)
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{
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s = QMetaObject::invokeMethod(m_updateTimer, "stop");
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}
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else
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{
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s = QMetaObject::invokeMethod(m_updateTimer, "start", Q_ARG(int, updatePeriodMs));
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}
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Q_ASSERT_X(s, Q_FUNC_INFO, "Failed invoke");
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Q_UNUSED(s);
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}
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int CThreadedReader::interval() const
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{
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QReadLocker rl(&this->m_lock);
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return this->m_updateTimer->interval();
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}
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void CThreadedReader::threadAssertCheck() const
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{
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Q_ASSERT_X(QCoreApplication::instance()->thread() != QThread::currentThread(), Q_FUNC_INFO, "Needs to run in own thread");
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Q_ASSERT_X(QObject::thread() == QThread::currentThread(), Q_FUNC_INFO, "Wrong object thread");
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}
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} // namespace
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