+// EmuFront
+// Copyright 2010 Mikko Keinänen
+//
+// This file is part of EmuFront.
+//
+//
+// EmuFront is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation and appearing in the file gpl.txt included in the
+// packaging of this file.
+//
+// EmuFront is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
+
#include <QDir>
#include <QDebug>
+#include <QProcess>
+#include <QProgressDialog>
#include "fileutil.h"
-#include "OSDaB-Zip/unzip.h"
+#include "zlib.h" /* crc32 */
#include "../exceptions/emufrontexception.h"
#include "../dataobjects/setup.h"
#include "../dataobjects/mediaimage.h"
#include "../dataobjects/mediaimagecontainer.h"
+#include "../dataobjects/mediatype.h"
+#include "../dataobjects/platform.h"
+#include "../db/dbmediaimagecontainer.h"
+#include "unziphelper.h"
FileUtil::FileUtil(QObject *parent) : QObject(parent)
-{}
+{
+ buf = new char[READ_BUFFER];
+ unzipHelper = new UnzipHelper(this);
+}
-// TODO: fp is missing setup object reference!
-QList<MediaImageContainer*> FileUtil::scanFilePath(const FilePathObject *fp, QStringList filters)
+FileUtil::~FileUtil()
{
- QList<MediaImageContainer*> containers;
+ delete[] buf;
+}
+
+/* Throws EmuFrontException */
+int FileUtil::scanFilePath(FilePathObject *fp,
+ QStringList filters, DbMediaImageContainer *dbMic,
+ QProgressDialog *progressDialog)
+{
+ if (!fp->getSetup()){
+ throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
+ }
+ else if(!fp->getSetup()->getPlatform()){
+ throw EmuFrontException(tr("No platform object available with %1.")
+ .arg(fp->getSetup()->getName()));
+ }
+ else if (!fp->getSetup()->getMediaType()){
+ throw EmuFrontException(tr("No media type available with %1.")
+ .arg(fp->getSetup()->getName()));
+ }
+
+ int count = 0;
+ /*qDebug() << QString("We have a platform %1, media type %2")
+ .arg(fp->getSetup()->getPlatform()->getName())
+ .arg(fp->getSetup()->getMediaType()->getName());*/
QDir dir(fp->getName());
if (!dir.exists() || !dir.isReadable())
throw EmuFrontException(tr("Directory %1 doesn't exists or isn't readable!").arg(fp->getName()));
+ //qDebug() << QString("Scanning directory %1.").arg(fp->getName());
dir.setFilter(QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot | QDir::Readable);
if (filters.count() > 0) dir.setNameFilters(filters);
// we'll go through the filtered archive files...
QFileInfoList list = dir.entryInfoList();
- for (int i = 0; i < list.size(); ++i)
- {
- QFileInfo fileInfo = list.at(i);
- qDebug() << QString("%1 %2").arg(fileInfo.size(), 10).arg(fileInfo.absoluteFilePath());
+ //qDebug() << "We have " << list.count() << " files to go through.";
+ QList<MediaImageContainer*> containers;
+ try {
+ progressDialog->setMinimum(0);
+ progressDialog->setMaximum(list.size());
+ for (int i = 0; i < list.size(); ++i)
+ {
+ progressDialog->setValue(i);
+ if (progressDialog->wasCanceled())
+ break;
+ QFileInfo fileInfo = list.at(i);
+ //qDebug() << QString("%1 %2").arg(fileInfo.size(), 10).arg(fileInfo.absoluteFilePath());
- //... and collect the contents of each archive
- QList<MediaImage*> files = listContents(fileInfo.absoluteFilePath(), fp);
+ //... and collect the contents of each archive
+ QMap<QString, EmuFrontObject*> files = unzipHelper->listContents(fileInfo.absoluteFilePath(), fp);
- if (files.count() > 0)
- {
- MediaImageContainer *con = new MediaImageContainer
- (
- fileInfo.fileName(),
- "" /* TODO */,
- fileInfo.size(),
- files,
- // TODO: is it guaranteed, that the file path object containing the setup object remains alive
- // the whole lifecycle of (this) media image container object?
- // * if we assign a copy of the setup object -> waste of memory and time
- // * this function is designed to be used from media image path main dialog
- // where we can ensure the lifecycle of file path object -> maybe move the implementation there!?
- fp->getSetup()
- );
- containers.append(con);
+ if (files.count() > 0)
+ {
+ // read crc32 checksum for media image container
+ quint32 crc = readCrc32(fileInfo.absoluteFilePath());
+ FilePathObject *fpo = new FilePathObject(*fp);
+ MediaImageContainer *con = new MediaImageContainer (
+ fileInfo.fileName(),
+ QString("%1").arg(crc, 0, 16),
+ fileInfo.size(),
+ files,
+ fpo // we need a copy since MediaImageContainers are deleted and the original filepath object would get deleted also.
+ );
+ containers.append(con);
+ ++count;
+ //qDebug() << "We have " << containers.count() << " containers.";
+
+ if (containers.count() >= MIC_BUFFER_SIZE) {
+ //qDebug() << "We have " << containers.count() << " containers .. storing to db.";
+ showDbUpdating(progressDialog);
+ dbMic->storeContainers(containers, fp);
+ hideDbUpdating(progressDialog);
+ qDeleteAll(containers);
+ containers.clear();
+ //qDebug() << "containers now: " << containers.count();
+ }
+ //qDebug() << "We have " << containers.size() << " containers.";
+ } // files.count() > 0
+ else {
+ qDebug() << "No files from container " << fileInfo.absoluteFilePath();
+ }
}
+ progressDialog->setValue(list.size());
+ if (containers.count() > 0) {
+ //qDebug() << "Storing the rest " << containers.count() << " containers.";
+ //emit dbUpdateInProgress();
+ showDbUpdating(progressDialog);
+ dbMic->storeContainers(containers, fp);
+ hideDbUpdating(progressDialog);
+ //emit dbUpdateFinished();
+ qDeleteAll(containers);
+ containers.clear();
+ } } catch (EmuFrontException &e) { qDebug() << "Got exception " << e.what() << ", aborting & deleting created data objects.";
+ qDeleteAll(containers);
+ throw e;
}
- return containers;
+ //qDebug() << "Done scanning files!";
+ return count;
}
-QList<MediaImage*> FileUtil::listContents(const QString filePath, const FilePathObject *fp)
+/* Uses crc32 from zlib.h to count crc32 checksum value */
+/* Throws EmuFrontException */
+quint32 FileUtil::readCrc32(QString filePath)
{
-
- UnZip uz;
- UnZip::ErrorCode ec = uz.openArchive(filePath);
- if (ec != UnZip::Ok)
- throw EmuFrontException(tr("Error while opening zip-file %1, error code %2").arg(filePath).arg(ec));
-
- Setup *sup = fp->getSetup();
- QList<UnZip::ZipEntry> list = uz.entryList();
- QList<MediaImage*> fileList;
- foreach(UnZip::ZipEntry entry, list)
- {
- if (isSupportedFile(entry.filename, sup->getSupportedFileTypeExtensions()))
- {
- QString checksum = QString("%1").arg(entry.crc32, 0, 16);
- MediaImage *effo = new MediaImage(entry.filename,
- checksum, entry.uncompressedSize);
- fileList << effo;
- }
+ // todo ... use some crc32 tool for this ... or maybe use md5 or something like that!!!
+ QFile file(filePath);
+ //qDebug() << "readCrc32: " << filePath;
+ if (!file.open(QIODevice::ReadOnly)) {
+ throw EmuFrontException(QString(tr("Failed opening file %1 for reading the checksum!")).arg(filePath));
}
-
- return fileList;
-
+ quint32 crc = crc32(0L, Z_NULL, 0);
+ int read = 0;
+ while((read = file.read(buf, READ_BUFFER))) {
+ crc = crc32(crc, (const Bytef*) buf, read);
+ }
+ file.close();
+ if (crc <= 0)
+ throw EmuFrontException(QString(tr("Failed reading crc checksum for file %1!")).arg(filePath));
+ //qDebug() << QString("readCrc32, crc: %1").arg(crc, 0, 16);
+ return crc;
}
bool FileUtil::isSupportedFile(const QString filename, const QStringList supportedFileExtensions)
QString ext = filename.section('.', -1);
return supportedFileExtensions.contains(ext, Qt::CaseInsensitive);
}
+
+void FileUtil::showDbUpdating(QProgressDialog *progressDialog)
+{
+ qDebug() << "DB updating";
+ // TODO: the following is not currently working
+ progressDialog->setWindowTitle(tr("Updating DB... please wait!"));
+ progressDialog->setEnabled(false);
+}
+
+void FileUtil::hideDbUpdating(QProgressDialog *progressDialog)
+{
+ qDebug() << "DB update finished";
+ // TODO: the following is not currently working
+ progressDialog->setEnabled(true);
+ progressDialog->setWindowTitle(tr("Scanning files"));
+}
+
projects / emufront / blobdiff