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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QDebug>
#include <QUrl>
#include <QByteArray>
#include <QDataStream>
#include "datatransferer.h"
DataTransferer::DataTransferer(QObject *parent) :
QObject(parent), m_dataTransferOngoing(false)
{
}
bool DataTransferer::dataTransferOngoing()
{
return m_dataTransferOngoing;
}
// -------- Based on QTcp
DataTransfererQTcp::DataTransfererQTcp(QObject* parent)
: DataTransferer(parent)
{
qDebug("BearerEx DataTransferer QTcp created.");
connect(&m_qsocket, SIGNAL(readyRead()), this, SLOT(readyRead()));
connect(&m_qsocket, SIGNAL(connected()), this, SLOT(connected()));
connect(&m_qsocket, SIGNAL(errorOccurred(QAbstractSocket::SocketError)),
this, SLOT(error(QAbstractSocket::SocketError)));
}
DataTransfererQTcp::~DataTransfererQTcp()
{
qDebug("BearerEx DataTransferer QTcp destroyed.");
m_qsocket.abort();
}
bool DataTransfererQTcp::transferData()
{
if (m_dataTransferOngoing) {
return false;
}
qDebug("BearerEx datatransfer for QTcp requested.");
// Connect to host
QUrl url("http://www.google.com.au");
m_qsocket.connectToHost(url.host(), url.port(80));
// m_qsocket.connectToHost("http://www.google.com", 80);
// Wait for connected() signal.
m_dataTransferOngoing = true;
return true;
}
void DataTransfererQTcp::connected()
{
qDebug("BearerEx DataTransfererQtcp connected, requesting data.");
// Establish HTTP request
//QByteArray request("GET / HTTP/1.1 \nHost: www.google.com\n\n");
QByteArray request("GET / HTTP/1.1\n\n");
// QByteArray request("GET /index.html HTTP/1.1 \n Host: www.google.com \n\n");
qint64 dataWritten = m_qsocket.write(request);
m_qsocket.flush();
qDebug() << "BearerEx DataTransferQTcp wrote " << dataWritten << " bytes";
// Start waiting for readyRead() of error()
}
void DataTransfererQTcp::readyRead()
{
qDebug() << "BearerEx DataTransfererQTcp readyRead() with ";
qint64 bytesAvailable = m_qsocket.bytesAvailable();
qDebug() << bytesAvailable << " bytes available.";
// QDataStream in(&m_qsocket);
QByteArray array = m_qsocket.readAll();
QString data = QString::fromLatin1(array);
// in >> data;
qDebug() << "BearerEx DataTransferQTcp data received: " << data;
m_dataTransferOngoing = false;
// m_qsocket.error() returns uninitialized value in case no error has occurred,
// so emit '0'
emit finished(0, bytesAvailable, "QAbstractSocket::SocketError");
}
void DataTransfererQTcp::error(QAbstractSocket::SocketError socketError)
{
qDebug("BearerEx DataTransfererQTcp error(), aborting socket.");
m_qsocket.abort();
m_dataTransferOngoing = false;
emit finished(socketError, 0, "QAbstractSocket::SocketError");
}
// -------- Based on QNetworkAccessManager
DataTransfererQNam::DataTransfererQNam(QObject* parent)
: DataTransferer(parent)
{
connect(&m_qnam, SIGNAL(finished(QNetworkReply*)),
this, SLOT(replyFinished(QNetworkReply*)));
qDebug("BearerEx DataTransferer QNam created.");
}
DataTransfererQNam::~DataTransfererQNam()
{
qDebug("BearerEx DataTransferer QNam destroyed.");
}
bool DataTransfererQNam::transferData()
{
qDebug("BearerEx datatransfer for QNam requested.");
if (m_dataTransferOngoing) {
return false;
}
m_qnam.get(QNetworkRequest(QUrl("http://www.google.com")));
m_dataTransferOngoing = true;
return true;
}
void DataTransfererQNam::replyFinished(QNetworkReply *reply)
{
qDebug("BearerEx DatatransfererQNam reply was finished (error code is type QNetworkReply::NetworkError).");
qint64 dataReceived = 0;
quint32 errorCode = (quint32)reply->error();
if (reply->error() == QNetworkReply::NoError) {
QString result(reply->readAll());
dataReceived = result.length();
}
m_dataTransferOngoing = false;
emit finished(errorCode, dataReceived, "QNetworkReply::NetworkError");
reply->deleteLater();
}