1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
161 lines
4.4 KiB
C++
161 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qcoreapplication.h>
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#include <qcoreevent.h>
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#include <qthread.h>
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class QTestAliveEvent: public QEvent
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{
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public:
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enum { AliveEventType = QEvent::User + 422 };
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inline QTestAliveEvent(int aSequenceId)
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: QEvent(QEvent::Type(AliveEventType)), seqId(aSequenceId)
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{}
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inline int sequenceId() const { return seqId; }
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private:
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int seqId;
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};
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class QTestAlivePinger: public QObject
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{
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public:
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QTestAlivePinger(QObject *receiver, QObject *parent = 0);
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bool event(QEvent *e);
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protected:
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void timerEvent(QTimerEvent *event);
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private:
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QObject *rec;
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int timerId;
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int currentSequenceId;
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int lastSequenceId;
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};
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QTestAlivePinger::QTestAlivePinger(QObject *receiver, QObject *parent)
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: QObject(parent), rec(receiver), currentSequenceId(0), lastSequenceId(0)
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{
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if (!rec)
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qFatal("Null receiver object passed to QTestAlivePinger::QTestAlivePinger()");
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timerId = startTimer(850);
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}
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bool QTestAlivePinger::event(QEvent *event)
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{
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// pong received
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if (int(event->type()) == QTestAliveEvent::AliveEventType) {
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QTestAliveEvent *e = static_cast<QTestAliveEvent *>(event);
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//qDebug("PONG %d received", e->sequenceId());
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// if the events are not delivered in order, we don't care.
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if (e->sequenceId() > lastSequenceId)
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lastSequenceId = e->sequenceId();
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return true;
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}
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return QObject::event(event);
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}
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void QTestAlivePinger::timerEvent(QTimerEvent *event)
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{
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if (event->timerId() != timerId)
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return;
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if (lastSequenceId < currentSequenceId - 2) {
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qWarning("TEST LAGS %d PINGS behind!", currentSequenceId - lastSequenceId);
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}
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++currentSequenceId;
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//qDebug("PING %d", currentSequenceId);
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QCoreApplication::postEvent(rec, new QTestAliveEvent(currentSequenceId));
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}
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class QTestAlive: public QThread
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{
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public:
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QTestAlive(QObject *parent = 0);
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~QTestAlive();
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void run();
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bool event(QEvent *e);
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private:
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QTestAlivePinger *pinger;
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};
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QTestAlive::QTestAlive(QObject *parent)
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: QThread(parent), pinger(0)
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{
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}
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QTestAlive::~QTestAlive()
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{
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quit();
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while (isRunning());
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}
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bool QTestAlive::event(QEvent *e)
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{
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if (int(e->type()) == QTestAliveEvent::AliveEventType && pinger) {
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// ping received, send back the pong
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//qDebug("PONG %d", static_cast<QTestAliveEvent *>(e)->sequenceId());
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QCoreApplication::postEvent(pinger,
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new QTestAliveEvent(static_cast<QTestAliveEvent *>(e)->sequenceId()));
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return true;
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}
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return QThread::event(e);
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}
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void QTestAlive::run()
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{
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if (!QCoreApplication::instance())
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qFatal("QTestAlive::run(): Cannot start QTestAlive without a QCoreApplication instance.");
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QTestAlivePinger p(this);
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pinger = &p;
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exec();
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pinger = 0;
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}
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