tests/manual/bearerex/datatransferer.cpp
changeset 33 3e2da88830cd
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30:5dc02b23752f 33:3e2da88830cd
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the test suite of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QDebug>
       
    43 #include <QUrl>
       
    44 #include <QByteArray>
       
    45 #include <QDataStream>
       
    46 #include "datatransferer.h"
       
    47 
       
    48 DataTransferer::DataTransferer(QObject *parent) :
       
    49     QObject(parent), m_dataTransferOngoing(false)
       
    50 {
       
    51 }
       
    52 
       
    53 bool DataTransferer::dataTransferOngoing()
       
    54 {
       
    55     return m_dataTransferOngoing;
       
    56 }
       
    57 
       
    58 
       
    59 
       
    60 // -------- Based on QTcp
       
    61 
       
    62 DataTransfererQTcp::DataTransfererQTcp(QObject* parent)
       
    63 :   DataTransferer(parent)
       
    64 {
       
    65     qDebug("BearerEx DataTransferer QTcp created.");
       
    66 
       
    67     connect(&m_qsocket, SIGNAL(readyRead()), this, SLOT(readyRead()));
       
    68     connect(&m_qsocket, SIGNAL(connected()), this, SLOT(connected()));
       
    69     connect(&m_qsocket, SIGNAL(error(QAbstractSocket::SocketError)),
       
    70             this, SLOT(error(QAbstractSocket::SocketError)));
       
    71 }
       
    72 
       
    73 DataTransfererQTcp::~DataTransfererQTcp()
       
    74 {
       
    75     qDebug("BearerEx DataTransferer QTcp destroyed.");
       
    76     m_qsocket.abort();
       
    77 }
       
    78 
       
    79 bool DataTransfererQTcp::transferData()
       
    80 {
       
    81     if (m_dataTransferOngoing) {
       
    82         return false;
       
    83     }
       
    84     qDebug("BearerEx datatransfer for QTcp requested.");
       
    85     // Connect to host
       
    86     QUrl url("http://www.google.com.au");
       
    87     m_qsocket.connectToHost(url.host(), url.port(80));
       
    88 
       
    89     // m_qsocket.connectToHost("http://www.google.com", 80);
       
    90     // Wait for connected() signal.
       
    91     m_dataTransferOngoing = true;
       
    92     return true;
       
    93 }
       
    94 
       
    95 void DataTransfererQTcp::connected()
       
    96 {
       
    97     qDebug("BearerEx DataTransfererQtcp connected, requesting data.");
       
    98     // Establish HTTP request
       
    99     //QByteArray request("GET / HTTP/1.1 \nHost: www.google.com\n\n");
       
   100     QByteArray request("GET / HTTP/1.1\n\n");
       
   101 
       
   102     // QByteArray request("GET /index.html HTTP/1.1 \n Host: www.google.com \n\n");
       
   103     qint64 dataWritten = m_qsocket.write(request);
       
   104     m_qsocket.flush();
       
   105 
       
   106     qDebug() << "BearerEx DataTransferQTcp wrote " << dataWritten << " bytes";
       
   107     // Start waiting for readyRead() of error()
       
   108 }
       
   109 
       
   110 void DataTransfererQTcp::readyRead()
       
   111 {
       
   112     qDebug() << "BearerEx DataTransfererQTcp readyRead() with ";
       
   113     qint64 bytesAvailable = m_qsocket.bytesAvailable();
       
   114     qDebug() << bytesAvailable << " bytes available.";
       
   115 
       
   116     // QDataStream in(&m_qsocket);
       
   117     QByteArray array = m_qsocket.readAll();
       
   118     QString data = QString::fromAscii(array);
       
   119 
       
   120     // in >> data;
       
   121 
       
   122     qDebug() << "BearerEx DataTransferQTcp data received: " << data;
       
   123     m_dataTransferOngoing = false;
       
   124     // m_qsocket.error() returns uninitialized value in case no error has occured,
       
   125     // so emit '0'
       
   126     emit finished(0, bytesAvailable, "QAbstractSocket::SocketError");
       
   127 }
       
   128 
       
   129 void DataTransfererQTcp::error(QAbstractSocket::SocketError socketError)
       
   130 {
       
   131     qDebug("BearerEx DataTransfererQTcp error(), aborting socket.");
       
   132     m_qsocket.abort();
       
   133     m_dataTransferOngoing = false;
       
   134     emit finished(socketError, 0, "QAbstractSocket::SocketError");
       
   135 }
       
   136 
       
   137 // -------- Based on QHttp
       
   138 
       
   139 DataTransfererQHttp::DataTransfererQHttp(QObject* parent)
       
   140 :   DataTransferer(parent)
       
   141 {
       
   142     connect(&m_qhttp, SIGNAL(done(bool)), this, SLOT(done(bool)));
       
   143     qDebug("BearerEx DataTransferer QHttp created.");
       
   144 }
       
   145 
       
   146 DataTransfererQHttp::~DataTransfererQHttp()
       
   147 {
       
   148     qDebug("BearerEx DataTransferer QHttp destroyed.");
       
   149 }
       
   150 
       
   151 bool DataTransfererQHttp::transferData()
       
   152 {
       
   153     qDebug("BearerEx datatransfer for QHttp requested.");
       
   154     if (m_dataTransferOngoing) {
       
   155         return false;
       
   156     }
       
   157     QString urlstring("http://www.google.com");
       
   158     QUrl url(urlstring);
       
   159     m_qhttp.setHost(url.host(), QHttp::ConnectionModeHttp, url.port() == -1 ? 0 : url.port());
       
   160     m_qhttp.get(urlstring);
       
   161     m_dataTransferOngoing = true;
       
   162     return true;
       
   163 }
       
   164 
       
   165 void DataTransfererQHttp::done(bool /*error*/ )
       
   166 {
       
   167     qDebug("BearerEx DatatransfererQHttp reply was finished (error code is type QHttp::Error).");
       
   168     qint64 dataReceived = 0;
       
   169     quint32 errorCode = m_qhttp.error();
       
   170     if (m_qhttp.error() == QHttp::NoError) {
       
   171         QString result(m_qhttp.readAll());
       
   172         dataReceived = result.length();
       
   173     }
       
   174     m_dataTransferOngoing = false;
       
   175     emit finished(errorCode, dataReceived, "QHttp::Error");
       
   176 }
       
   177 
       
   178 // -------- Based on QNetworkAccessManager
       
   179 
       
   180 DataTransfererQNam::DataTransfererQNam(QObject* parent)
       
   181 :   DataTransferer(parent)
       
   182 {
       
   183     connect(&m_qnam, SIGNAL(finished(QNetworkReply*)),
       
   184             this, SLOT(replyFinished(QNetworkReply*)));
       
   185     qDebug("BearerEx DataTransferer QNam created.");
       
   186 }
       
   187 
       
   188 DataTransfererQNam::~DataTransfererQNam()
       
   189 {
       
   190     qDebug("BearerEx DataTransferer QNam destroyed.");
       
   191 }
       
   192 
       
   193 bool DataTransfererQNam::transferData()
       
   194 {
       
   195     qDebug("BearerEx datatransfer for QNam requested.");
       
   196     if (m_dataTransferOngoing) {
       
   197         return false;
       
   198     }
       
   199     m_qnam.get(QNetworkRequest(QUrl("http://www.google.com")));
       
   200     m_dataTransferOngoing = true;
       
   201     return true;
       
   202 }
       
   203 
       
   204 void DataTransfererQNam::replyFinished(QNetworkReply *reply)
       
   205 {
       
   206     qDebug("BearerEx DatatransfererQNam reply was finished (error code is type QNetworkReply::NetworkError).");
       
   207     qint64 dataReceived = 0;
       
   208     quint32 errorCode = (quint32)reply->error();
       
   209 
       
   210     if (reply->error() == QNetworkReply::NoError) {
       
   211         QString result(reply->readAll());
       
   212         dataReceived = result.length();
       
   213     }
       
   214     m_dataTransferOngoing = false;
       
   215     emit finished(errorCode, dataReceived, "QNetworkReply::NetworkError");
       
   216     reply->deleteLater();
       
   217 }
       
   218 
       
   219 
       
   220