diff options
Diffstat (limited to 'src/downloadmanager.cpp')
| -rw-r--r-- | src/downloadmanager.cpp | 160 |
1 files changed, 73 insertions, 87 deletions
diff --git a/src/downloadmanager.cpp b/src/downloadmanager.cpp index 22c1c09..8f7d8bb 100644 --- a/src/downloadmanager.cpp +++ b/src/downloadmanager.cpp @@ -1,55 +1,48 @@ #include "downloadmanager.h" -int DownloadManager::downloaded = 0; +int DownloadManager::_downloaded = 0; // ------------------------------------------------------------------------------------------------------- DownloadManager::DownloadManager() { qxtLog->debug() << "Initializing download manager..."; - checkDownloadDirectory(); + check_downloadDirectory(); _qnam = new QNetworkAccessManager(); _qnam->moveToThread(&dmThread); - dip = false; + _dip = false; } DownloadManager::~DownloadManager() { delete _qnam; } // ------------------------------------------------------------------------------------------------------- -void DownloadManager::checkDownloadDirectory() { +void DownloadManager::check_downloadDirectory() { // check if downloadPath exists, if not create it. - downloadDir = QDir(downloadPath); - if (!downloadDir.exists()) { - qxtLog->debug() << "[dm] Download directory: " << downloadDir.path() - << " doesn't exist."; + _downloadDir = QDir(downloadPath); + if (!_downloadDir.exists()) { + qxtLog->debug() << "[dm] Download directory: " << _downloadDir.path() << " doesn't exist."; // try to create the directory if (QDir::current().mkdir(downloadPath)) - qxtLog->debug() << "[dm] Created download directory: " - << downloadDir.path(); + qxtLog->debug() << "[dm] Created download directory: " << _downloadDir.path(); else { - qxtLog->debug() << "[dm] Failed to create directory: " - << downloadDir.path(); + qxtLog->debug() << "[dm] Failed to create directory: " << _downloadDir.path(); // try to save to /tmp/fbgui - downloadDir.setPath(QDir::tempPath() + "/fbgui"); - if (!downloadDir.exists()) { + _downloadDir.setPath(QDir::tempPath() + "/fbgui"); + if (!_downloadDir.exists()) { if (QDir::current().mkdir(QDir::tempPath() + "/fbgui")) - qxtLog->debug() << "[dm] Successfully created: " - << downloadDir.absolutePath(); + qxtLog->debug() << "[dm] Successfully created: " << _downloadDir.absolutePath(); else { // just in case - qxtLog->debug() << "[dm] Failed to create: " - << downloadDir.absolutePath(); + qxtLog->debug() << "[dm] Failed to create: " << _downloadDir.absolutePath(); qxtLog->debug() << "[dm] Exiting..."; exit( EXIT_FAILURE); } } else - qxtLog->debug() << "[dm] " << downloadDir.absolutePath() - << " already exists."; + qxtLog->debug() << "[dm] " << _downloadDir.absolutePath() << " already exists."; } } else - qxtLog->debug() << "[dm] Download directory: " - << downloadDir.absolutePath() << " already exists."; + qxtLog->debug() << "[dm] Download directory: " << _downloadDir.absolutePath() + << " already exists."; - qxtLog->debug() << "[dm] Saving downloads to: " - << downloadDir.absolutePath(); - downloadPath = downloadDir.absolutePath(); + qxtLog->debug() << "[dm] Saving downloads to: " << _downloadDir.absolutePath(); + downloadPath = _downloadDir.absolutePath(); } // ------------------------------------------------------------------------------------------------------- // Public access @@ -71,11 +64,11 @@ void DownloadManager::processDownloadRequest(const QUrl& url) { return; } qxtLog->debug() << "[dm] Enqueueing: " << url.toString(); - dlQ.enqueue(url); - if (dip) { + _downloadQueue.enqueue(url); + if (_dip) { // download in progress, return. - qxtLog->debug() << "[dm] Download in progress! Queued:" << url.toString() - << "(" << dlQ.size() << " in queue)"; + qxtLog->debug() << "[dm] Download in progress! Queued:" << url.toString() << "(" + << _downloadQueue.size() << " in queue)"; return; } // no running downloads: start next in queue @@ -84,53 +77,51 @@ void DownloadManager::processDownloadRequest(const QUrl& url) { // ------------------------------------------------------------------------------------------------------- void DownloadManager::startNextDownload() { QWSServer::instance()->setCursorVisible(false); - if (dlQ.isEmpty()) { + if (_downloadQueue.isEmpty()) { emit downloadQueueEmpty(); qxtLog->debug() << "[dm] Download manager ready. (1)"; return; } - qxtLog->debug() << "[dm] Starting next download: " << dlQ.head().toString() - << " (" << dlQ.size() - 1 << " in queue.)"; + qxtLog->debug() << "[dm] Starting next download: " << _downloadQueue.head().toString() << " (" + << _downloadQueue.size() - 1 << " in queue.)"; // dequeue next URL to download. - QUrl url = dlQ.dequeue(); + QUrl url = _downloadQueue.dequeue(); // get filename from URL. QString tmp = url.path(); tmp.remove(0, tmp.lastIndexOf(QChar('/')) + 1); // check if filename exists on target file system - if (downloadDir.exists(tmp)) { - qxtLog->debug() << "[dm] File already exists: " - << downloadDir.absoluteFilePath(tmp); - outfile.setFileName( - QString(downloadDir.absolutePath() + "/" + tmp + ".\%1").arg( - downloaded)); + if (_downloadDir.exists(tmp)) { + qxtLog->debug() << "[dm] File already exists: " << _downloadDir.absoluteFilePath(tmp); + _outfile.setFileName( + QString(_downloadDir.absolutePath() + "/" + tmp + ".\%1").arg(_downloaded)); } else - outfile.setFileName(downloadDir.absoluteFilePath(tmp)); - qxtLog->debug() << "[dm] Saving to: " << outfile.fileName(); + _outfile.setFileName(_downloadDir.absoluteFilePath(tmp)); + qxtLog->debug() << "[dm] Saving to: " << _outfile.fileName(); // try to open for writing - if (!outfile.open(QIODevice::WriteOnly)) { - qxtLog->debug() << "[dm] No write access to " << outfile.fileName() + if (!_outfile.open(QIODevice::WriteOnly)) { + qxtLog->debug() << "[dm] No write access to " << _outfile.fileName() << " . Skipping download..."; return; } // send the request for the file QNetworkRequest request(url); - currentDownload = _qnam->get(request); - lastProgress = 0; - currentProgress = 0; - dip = true; - _time.start(); - QObject::connect(currentDownload, SIGNAL(readyRead()), this, SLOT( + _currentDownload = _qnam->get(request); + _lastProgress = 0; + _currentProgress = 0; + _dip = true; + time.start(); + QObject::connect(_currentDownload, SIGNAL(readyRead()), this, SLOT( downloadReady())); - QObject::connect(currentDownload, SIGNAL(metaDataChanged()), this, SLOT( + QObject::connect(_currentDownload, SIGNAL(metaDataChanged()), this, SLOT( processMetaInfo())); - QObject::connect(currentDownload, SIGNAL(downloadProgress(qint64, qint64)), - this, SLOT(downloadProgress(qint64, qint64))); - QObject::connect(currentDownload, SIGNAL(finished()), this, SLOT( + QObject::connect(_currentDownload, SIGNAL(downloadProgress(qint64, qint64)), this, + SLOT(downloadProgress(qint64, qint64))); + QObject::connect(_currentDownload, SIGNAL(finished()), this, SLOT( downloadFinished())); } // ------------------------------------------------------------------------------------------------------- @@ -139,26 +130,26 @@ void DownloadManager::startNextDownload() { void DownloadManager::processMetaInfo() { // fetch filesize from header & filename from URL (for now) const QByteArray cltag = "Content-Length"; - QByteArray clinfo = currentDownload->rawHeader(cltag); - QFileInfo fi(outfile); - qxtLog->debug() << "[dm] Download Info: " << fi.fileName() << " (Size: " - << clinfo.toDouble() << ")"; + QByteArray clinfo = _currentDownload->rawHeader(cltag); + QFileInfo fi(_outfile); + qxtLog->debug() << "[dm] Download Info: " << fi.fileName() << " (Size: " << clinfo.toDouble() + << ")"; emit downloadInfo(fi.fileName(), clinfo.toDouble()); } // ------------------------------------------------------------------------------------------------------- void DownloadManager::downloadReady() { // data ready, save it - outfile.write(currentDownload->readAll()); + _outfile.write(_currentDownload->readAll()); } // ------------------------------------------------------------------------------------------------------- void DownloadManager::downloadProgress(qint64 bytesIn, qint64 bytesTotal) { if (bytesIn > bytesTotal || bytesTotal <= 0) { - qxtLog->debug() << "[dm] downloadProgress invalid values:" << "In:" - << bytesIn << " / Total: " << bytesTotal; + qxtLog->debug() << "[dm] downloadProgress invalid values:" << "In:" << bytesIn + << " / Total: " << bytesTotal; return; } // calculate current speed - double speed = bytesIn * 1000 / _time.elapsed(); + double speed = bytesIn * 1000 / time.elapsed(); QString unit; if (speed < 1024) { unit = "bytes/sec"; @@ -170,46 +161,41 @@ void DownloadManager::downloadProgress(qint64 bytesIn, qint64 bytesTotal) { unit = "MB/s"; } // update progress only if difference higher than the updateInterval setting - currentProgress = ((bytesIn * 100) / bytesTotal); - if (currentProgress - lastProgress >= updateInterval) { - lastProgress = currentProgress; + _currentProgress = ((bytesIn * 100) / bytesTotal); + if (_currentProgress - _lastProgress >= updateInterval) { + _lastProgress = _currentProgress; emit - updateProgress(currentProgress, speed, unit); - qxtLog->debug() << "[dm] Download progress of " - << currentDownload->url().toString() << ": " << bytesIn << "/" - << bytesTotal << "(" << currentProgress << "\%)"; + updateProgress(_currentProgress, speed, unit); + qxtLog->debug() << "[dm] Download progress of " << _currentDownload->url().toString() << ": " + << bytesIn << "/" << bytesTotal << "(" << _currentProgress << "\%)"; } } // ------------------------------------------------------------------------------------------------------- void DownloadManager::downloadFinished() { // check for errors - if (currentDownload->error()) { - outfile.close(); - outfile.remove(); - int statusCode = currentDownload->attribute( - QNetworkRequest::HttpStatusCodeAttribute).toInt(); - qxtLog->debug() << "[dm] Download of " - << currentDownload->url().toString() + if (_currentDownload->error()) { + _outfile.close(); + _outfile.remove(); + int statusCode = + _currentDownload->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); + qxtLog->debug() << "[dm] Download of " << _currentDownload->url().toString() << " failed with HTTP error code: " << statusCode; emit notify(QString("Download failed! HTTP Status Code: %1").arg(statusCode)); - currentDownload->deleteLater(); + _currentDownload->deleteLater(); } else { // end download - outfile.close(); - downloaded++; - qxtLog->debug() << "[dm] Download of " - << currentDownload->url().toString() << " finished. (downloaded = " - << downloaded << ")"; + _outfile.close(); + _downloaded++; + qxtLog->debug() << "[dm] Download of " << _currentDownload->url().toString() + << " finished. (_downloaded = " << _downloaded << ")"; emit - notify( - QString("Successfully downloaded %1").arg( - currentDownload->url().toString())); - currentDownload->deleteLater(); + notify(QString("Successfully _downloaded %1").arg(_currentDownload->url().toString())); + _currentDownload->deleteLater(); } - dip = false; + _dip = false; // process next in queue, if any - if (dlQ.isEmpty()) { + if (_downloadQueue.isEmpty()) { emit downloadQueueEmpty(); qxtLog->debug() << "[dm] Download manager ready. (2)"; return; |