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/**************************************************************************
* Copyright (C) 2009-2011 Matthias Fuchs <mat69@gmx.net> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "verificationthread.h"
#include "verifier.h"
#include <KDebug>
#include <QtCore/QFile>
VerificationThread::VerificationThread(QObject *parent)
: QThread(parent),
m_abort(false),
m_length(0),
m_type(Nothing)
{
}
VerificationThread::~VerificationThread()
{
m_mutex.lock();
m_abort = true;
m_mutex.unlock();
wait();
}
void VerificationThread::verifiy(const QString &type, const QString &checksum, const KUrl &file)
{
QMutexLocker locker(&m_mutex);
m_types.append(type);
m_checksums.append(checksum);
m_files.append(file);
m_type = Verify;
if (!isRunning())
{
start();
}
}
void VerificationThread::findBrokenPieces(const QString &type, const QList<QString> checksums, KIO::filesize_t length, const KUrl &file)
{
QMutexLocker locker(&m_mutex);
m_types.clear();
m_types.append(type);
m_checksums = checksums;
m_files.clear();
m_files.append(file);
m_length = length;
m_type = BrokenPieces;
if (!isRunning())
{
start();
}
}
void VerificationThread::run()
{
if (m_type == Nothing)
{
return;
}
if (m_type == Verify)
{
doVerify();
}
else if (m_type == BrokenPieces)
{
doBrokenPieces();
}
}
void VerificationThread::doVerify()
{
m_mutex.lock();
bool run = m_files.count();
m_mutex.unlock();
while (run && !m_abort)
{
m_mutex.lock();
const QString type = m_types.takeFirst();
const QString checksum = m_checksums.takeFirst();
const KUrl url = m_files.takeFirst();
m_mutex.unlock();
if (type.isEmpty() || checksum.isEmpty())
{
m_mutex.lock();
run = m_files.count();
m_mutex.unlock();
continue;
}
const QString hash = Verifier::checksum(url, type, &m_abort);
kDebug(5001) << "Type:" << type << "Calculated checksum:" << hash << "Entered checksum:" << checksum;
const bool fileVerified = (hash == checksum);
if (m_abort)
{
return;
}
m_mutex.lock();
if (!m_abort)
{
emit verified(type, fileVerified, url);
emit verified(fileVerified);
}
run = m_files.count();
m_mutex.unlock();
}
}
void VerificationThread::doBrokenPieces()
{
m_mutex.lock();
const QString type = m_types.takeFirst();
const QStringList checksums = m_checksums;
m_checksums.clear();
const KUrl url = m_files.takeFirst();
const KIO::filesize_t length = m_length;
m_mutex.unlock();
QList<KIO::fileoffset_t> broken;
if (QFile::exists(url.pathOrUrl()))
{
QFile file(url.pathOrUrl());
if (!file.open(QIODevice::ReadOnly))
{
emit brokenPieces(broken, length);
return;
}
const KIO::filesize_t fileSize = file.size();
if (!length || !fileSize)
{
emit brokenPieces(broken, length);
return;
}
const QStringList fileChecksums = Verifier::partialChecksums(url, type, length, &m_abort).checksums();
if (m_abort)
{
emit brokenPieces(broken, length);
return;
}
if (fileChecksums.size() != checksums.size())
{
kDebug(5001) << "Number of checksums differs!";
emit brokenPieces(broken, length);
return;
}
for (int i = 0; i < checksums.size(); ++i)
{
if (fileChecksums.at(i) != checksums.at(i))
{
const int brokenStart = length * i;
kDebug(5001) << url << "broken segment" << i << "start" << brokenStart << "length" << length;
broken.append(brokenStart);
}
}
}
emit brokenPieces(broken, length);
}
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