/****************************************************************************+
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**+
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** Copyright (C) 2010 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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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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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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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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// This file contains benchmarks for QNetworkReply functions.+
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+
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#include <QDebug>+
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#include <qtest.h>+
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#include <QtTest/QtTest>+
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#include <QtNetwork/qnetworkreply.h>+
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#include <QtNetwork/qnetworkrequest.h>+
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#include <QtNetwork/qnetworkaccessmanager.h>+
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#include "../../auto/network-settings.h"+
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+
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#define BANDWIDTH_LIMIT_BYTES (1024*100)+
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#define TIME_ESTIMATION_SECONDS (97)+
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+
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class tst_qnetworkreply : public QObject+
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{+
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    Q_OBJECT+
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    private slots:+
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    void limiting_data();+
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    void limiting();+
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+
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};+
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+
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QNetworkReply *reply;+
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+
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class HttpReceiver : public QObject+
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{+
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    Q_OBJECT+
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    public slots:+
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    void finishedSlot() {+
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        quint64 bytesPerSec = (reply->header(QNetworkRequest::ContentLengthHeader).toLongLong()) / (stopwatch.elapsed() / 1000.0);+
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        qDebug() << "Finished HTTP(S) request with" << bytesPerSec << "bytes/sec";+
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        QVERIFY(bytesPerSec < BANDWIDTH_LIMIT_BYTES*1.05);+
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        QVERIFY(bytesPerSec > BANDWIDTH_LIMIT_BYTES*0.95);+
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        timer->stop();+
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        QTestEventLoop::instance().exitLoop();+
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    }+
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    void readyReadSlot() {+
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    }+
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    void timeoutSlot() {+
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        reply->read(BANDWIDTH_LIMIT_BYTES).size();+
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    }+
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    void startTimer() {+
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        stopwatch.start();+
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        timer = new QTimer(this);+
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        QObject::connect(timer, SIGNAL(timeout()), this, SLOT(timeoutSlot()));+
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        timer->start(1000);+
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    }+
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protected:+
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    QTimer *timer;+
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    QTime stopwatch;+
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};+
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+
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void tst_qnetworkreply::limiting_data()+
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{+
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    QTest::addColumn<QUrl>("url");+
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+
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    QTest::newRow("HTTP") << QUrl("http://" + QtNetworkSettings::serverName() + "/mediumfile");+
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#ifndef QT_NO_OPENSSL+
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    QTest::newRow("HTTP+SSL") << QUrl("https://" + QtNetworkSettings::serverName() + "/mediumfile");+
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#endif+
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+
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}+
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+
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void tst_qnetworkreply::limiting()+
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{+
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    HttpReceiver receiver;+
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    QNetworkAccessManager manager;+
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+
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    QFETCH(QUrl, url);+
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    QNetworkRequest req (url);+
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+
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    qDebug() << "Starting. This will take a while (around" << TIME_ESTIMATION_SECONDS << "sec).";+
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    qDebug() << "Please check the actual bandwidth usage with a network monitor, e.g. the KDE";+
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    qDebug() << "network plasma widget. It should be around" << BANDWIDTH_LIMIT_BYTES << "bytes/sec.";+
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    reply = manager.get(req);+
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    reply->ignoreSslErrors();+
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    reply->setReadBufferSize(BANDWIDTH_LIMIT_BYTES);+
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    QObject::connect(reply, SIGNAL(readyRead()), &receiver, SLOT(readyReadSlot()));+
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    QObject::connect(reply, SIGNAL(finished()), &receiver, SLOT(finishedSlot()));+
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    receiver.startTimer();+
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+
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    // event loop+
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    QTestEventLoop::instance().enterLoop(TIME_ESTIMATION_SECONDS + 20);+
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    QVERIFY(!QTestEventLoop::instance().timeout());+
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}+
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+
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+
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QTEST_MAIN(tst_qnetworkreply)+
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+
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#include "main.moc"+
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