C++ (Cpp) QNetworkReply::setReadBufferSize示例

void DownloadManager::downloadRequested(const QNetworkRequest& request) {
    std::cout << "DownloadManager::DownloadRequested()\n";
    QString src = request.url().toString();
    QString dest = request.attribute(QNetworkRequest::User, "~").toString();

    QFile* fileDestination = new QFile(dest);
    fileDestination->open(QIODevice::ReadWrite);
    QNetworkReply* reply = mNetworkAccess.get(request);
    reply->setReadBufferSize(0);
    mActiveDownloads.insert(reply, fileDestination);

    connect(reply, SIGNAL(finished()), this, SLOT(downloadFinished()));
    connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(downloadError(QNetworkReply::NetworkError)));
    connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(downloadProgress(qint64, qint64)));
    connect(reply, SIGNAL(readyRead()), this, SLOT(downloadReadyRead()));

    DownloadData* data = new DownloadData();
    data->mRemotePath = src;
    data->mLocalPath = dest;

    connect(reply, SIGNAL(finished()), data, SLOT(finished()));

    connect(reply, SIGNAL(downloadProgress(qint64, qint64)), data, SLOT(catchProgress(qint64, qint64)));
    connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), data, SIGNAL(error(QNetworkReply::NetworkError)));
    connect(data, SIGNAL(stopMe()), this, SLOT(stopDownload()));
    connect(data, SIGNAL(removeMe()), this, SLOT(removeDownload()));
    //connect(data, SIGNAL(reloadMe()), this, SLOT(reloadDownload()));

    emit downloadStarted(data);
    emit controller_showSystemTrayMessage("", "Download Started: " + data->localName());
    mModel.addDownload(data);
    mDownloads.insert(data, reply);
}

示例#2

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文件： command_download_file.cpp 项目： navrocky/libQtGoogleDrive

void CommandDownloadFile::reexecuteQuery()
{
    Q_D(CommandDownloadFile);
    QNetworkRequest request( d->downloadUrl );
    setRequestAccessToken(request, session()->accessToken());
    QNetworkReply* reply = session()->networkManager()->get(request);
    reply->setReadBufferSize(d->bufferSize);
    connect(reply, SIGNAL(finished()), SLOT(requestFinished()));
    connect(reply, SIGNAL(readyRead()), SLOT(readyRead()));
    connect(reply, SIGNAL(downloadProgress(qint64,qint64)), SIGNAL(progress(qint64,qint64)));
    reply->setParent(this);
}

示例#3

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文件： imageview.cpp 项目： EntityFXCode/arsenalsuite

void NetworkTaskManager::startDownload( LoadImageTask * task )
{
	IniConfig & ini = config();
	ini.pushSection( "Image_Loading" );
	QString prefix = ini.readString( "HttpUrl" );
	QString user = ini.readString( "HttpUser" );
	QString password = ini.readString( "HttpPassword" );
	ini.popSection();
	
	if( task->mPath[0].isLetter() )
		task->mPath[0] = task->mPath[0].toLower();
	
	QUrl url( prefix + task->mPath.replace(":","").replace("\\","/") );
	LOG_5( "Fetching URL: " + url.toString() );
	QNetworkRequest request(url);
	request.setRawHeader("Authorization", "Basic " + QByteArray(QString("%1:%2").arg(user).arg(password).toAscii()).toBase64()); 
	QNetworkReply * reply = mNetworkAccessManager->get(request);
	reply->setReadBufferSize(0);
	connect( reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(slotError(QNetworkReply::NetworkError)) );
#ifndef QT_NO_OPENSSL
	connect( reply, SIGNAL(sslErrors(const QList<QSslError> &)), SLOT(slotSslErrors(const QList<QSslError> &)) );
#endif
	mReplyDict[reply] = task;
}

示例#4

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文件： qnetworkreplyproto.cpp 项目： Dinesh-Ramakrishnan/qt-client

void QNetworkReplyProto::setReadBufferSize(qint64 size)
{
  QNetworkReply *item = qscriptvalue_cast<QNetworkReply*>(thisObject());
  if (item)
    item->setReadBufferSize(size);
}