+// 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 "fileutil.h"
-#include "OSDaB-Zip/unzip.h"
+#include "zlib.h" /* crc32 */
+//#include "OSDaB-Zip/unzip.h"
#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"
+
+//int FileUtil::MIC_BUFFER_SIZE = 50;
+
+const QString FileUtil::UNZIP_COMMAND = "unzip ";
+const QString FileUtil::UNZIP_LIST_ARGS = "-lv ";
FileUtil::FileUtil(QObject *parent) : QObject(parent)
-{}
+{
+ buf = new char[READ_BUFFER];
+}
-QList<MediaImageContainer*> FileUtil::scanFilePath(const FilePathObject *fp, QStringList filters)
+FileUtil::~FileUtil()
+{
+ delete[] buf;
+}
+
+/* Throws EmuFrontException */
+int FileUtil::scanFilePath(FilePathObject *fp, QStringList filters, DbMediaImageContainer *dbMic)
{
if (!fp->getSetup()){
throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
throw new 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());
- QList<MediaImageContainer*> containers;
QDir dir(fp->getName());
if (!dir.exists() || !dir.isReadable())
throw EmuFrontException(tr("Directory %1 doesn't exists or isn't readable!").arg(fp->getName()));
// we'll go through the filtered archive files...
QFileInfoList list = dir.entryInfoList();
+ // TODO: only a buffer of objects should be kept here,
+ // and write to database each time the buffer is filled.
+ QList<MediaImageContainer*> containers;
for (int i = 0; i < list.size(); ++i)
{
QFileInfo fileInfo = list.at(i);
if (files.count() > 0)
{
- MediaImageContainer *con = new MediaImageContainer
- (
+ // read crc32 checksum for media image container
+ quint32 crc = readCrc32(fileInfo.absoluteFilePath());
+ FilePathObject *fpo = new FilePathObject(*fp);
+ MediaImageContainer *con = new MediaImageContainer (
fileInfo.fileName(),
- "" /* TODO: count checksum! */,
+ QString("%1").arg(crc, 0, 16),
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!?
- // TODO: Ensure this! We really need a reference instead of 1000s of copies of setup object!!!
- fp->getSetup()
+ 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.";
+ dbMic->storeContainers(containers, fp);
+ qDeleteAll(containers);
+ containers.clear();
+ qDebug() << "containers now: " << containers.count();
+ }
qDebug() << "We have " << containers.size() << " containers.";
}
}
+ if (containers.count() > 0) {
+ qDebug() << "Storing the rest " << containers.count() << " containers.";
+ dbMic->storeContainers(containers, fp);
+ qDeleteAll(containers);
+ containers.clear();
+
+ }
qDebug() << "Done scanning files!";
- return containers;
+ return count;
}
-QList<MediaImage*> FileUtil::listContents(const QString filePath, const FilePathObject *fp)
+/* Uses crc32 from zlib.h to count crc32 checksum value */
+quint32 FileUtil::readCrc32(QString filePath)
{
+ // 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 new EmuFrontException(QString(tr("Failed opening file %1 for reading the checksum!")).arg(filePath));
+ }
+ 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 new EmuFrontException(QString(tr("Failed reading crc checksum for file %1!")).arg(filePath));
+ qDebug() << QString("readCrc32, crc: %1").arg(crc, 0, 16);
+ return crc;
+}
- 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));
-
+QList<MediaImage*> FileUtil::listContents(const QString filePath, const FilePathObject *fp)
+{
if (!fp->getSetup()){
throw EmuFrontException(tr("Setup not available with %1.").arg(fp->getName()));
}
+ QFile fl(filePath);
+ if (!fl.open(QIODevice::ReadOnly)) {
+ throw new EmuFrontException(tr("Couldn't read file %1.").arg(filePath));
+ }
+
Setup *sup = fp->getSetup();
- QList<UnZip::ZipEntry> list = uz.entryList();
QList<MediaImage*> fileList;
+
+ QProcess proc(this);
+ QString command;
+ command.append(UNZIP_COMMAND);
+ command.append(UNZIP_LIST_ARGS);
+ command.append("\"");
+ command.append(filePath);
+ command.append("\"");
+ qDebug() << command;
+ proc.start(command);
+ bool procOk = proc.waitForFinished();
+ if (!procOk) {
+ throw new EmuFrontException(tr("Listing information from file %1 failed with unzip.").arg(filePath));
+ }
+ QString err = proc.readAllStandardError();
+ QString msg = proc.readAllStandardOutput();
+ qDebug() << "\nErrors:\n" << err << "\nMessage:\n" << msg;
+
+ /*
+
+ The unzip output should have 8 columns, we need to collect the data from
+ size, crc-32 and name columns.
+
+ $ unzip -lv zak.zip
+ Archive: zak.zip
+ Length Method Size Cmpr Date Time CRC-32 Name
+ -------- ------ ------- ---- ---------- ----- -------- ----
+ 174848 Defl:N 21936 88% 1996-12-24 23:32 cd68329c Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot).d64
+ 174848 Defl:N 21949 87% 1996-12-24 23:32 dc0d89f8 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[a].d64
+ 174848 Defl:N 81818 53% 1996-12-24 23:32 a11bc616 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[cr ESI].d64
+ 174848 Defl:N 48833 72% 1996-12-24 23:32 0815053d Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)(Boot)[cr SCI].d64
+ 174848 Defl:N 105964 39% 1996-12-24 23:32 0c943d80 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side A)[cr Ikari].d64
+ 174848 Defl:N 17876 90% 1996-12-24 23:32 51397eb8 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 1 of 2 Side B)[cr SCI].d64
+ 174848 Defl:N 106231 39% 1996-12-24 23:32 0efadb0a Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A).d64
+ 174848 Defl:N 105974 39% 1996-12-24 23:32 6935c3e7 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[a].d64
+ 174848 Defl:N 105963 39% 1996-12-24 23:32 1e9c31de Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[cr ESI].d64
+ 174848 Defl:N 26294 85% 1996-12-24 23:32 ba5fdfdd Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side A)[cr Ikari].d64
+ 174848 Defl:N 117996 33% 1996-12-24 23:32 efbf3fd6 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B).d64
+ 174848 Defl:N 118015 33% 1996-12-24 23:32 c9541ecd Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B)[a].d64
+ 174848 Defl:N 118010 33% 1996-12-24 23:32 68341056 Zak McKracken and the Alien Mindbenders (1988)(Lucasfilm Games)(Disk 2 of 2 Side B)[cr ESI].d64
+ -------- ------- --- -------
+ 2273024 996859 56% 13 files
+
+ Here's a regex tested in VIM matching an entry line
+ /^\s\+\d\+\s\+[A-Za-z:]*\s\+\d\+\s\+\d\{1,3}%\s\+\d\{4}-\d\{2}-\d\{2}\s\+\d\{2}:\d\{2}\s\+[0-9a-f]\{8}\s\+.\+$
+
+ Here's a regex (tested in VIM) picking the three required fields, length, crc-32 and filename:
+ :%s/^\s\+\(\d\+\)\s\+[A-Za-z:]*\s\+\d\+\s\+\d\{1,3}%\s\+\d\{4}-\d\{2}-\d\{2}\s\+\d\{2}:\d\{2}\s\+\([0-9a-f]\{8}\)\s\+\(.*$\)/\1 \2 \3/gc
+ */
+ QStringList lines = msg.split('\n'
+ //QRegExp("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$")
+ );
+ QStringList entries;
+ QRegExp test("^\\s+\\d+\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+[0-9a-f]{8}\\s+.+$");
+ QRegExp regExEntries("^\\s+(\\d+)\\s+[A-Za-z:]*\\s+\\d+\\s+\\d{1,3}%\\s+\\d{4}-\\d{2}-\\d{2}\\s+\\d{2}:\\d{2}\\s+([0-9a-f]{8})\\s+(.+)$");
+ foreach(QString ln, lines) {
+ if (!test.exactMatch(ln)) continue;
+ int pos = regExEntries.indexIn(ln);
+ if (regExEntries.captureCount() != 3) {
+ continue;
+ //throw new EmuFrontException(tr("Failed to read needed data from file %1.").arg(filePath));
+ }
+ entries = regExEntries.capturedTexts();
+ if (entries.count() < 4) continue;
+ QString filename = entries[3];
+ QString checksum = entries[2];
+ QString lenStr = entries[1];
+ bool ok;
+ int length = lenStr.toInt(&ok);
+ if (!ok) continue;
+ MediaImage *effo = new MediaImage(filename, checksum, length);
+ }
+
+ /*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));
+
+ QList<UnZip::ZipEntry> list = uz.entryList();
foreach(UnZip::ZipEntry entry, list)
{
qDebug() << "Zip entry " << entry.filename;
checksum, entry.uncompressedSize);
fileList << effo;
}
- }
+ }*/
qDebug() << "File list has " << fileList.size() << " entries.";
return fileList;
projects / emufront / blobdiff