mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-30 15:56:52 +08:00
107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#ifndef FILEMANAGER_H
|
|
#define FILEMANAGER_H
|
|
|
|
#include <QBitArray>
|
|
#include <QList>
|
|
#include <QMutex>
|
|
#include <QThread>
|
|
#include <QWaitCondition>
|
|
|
|
#include "metainfo.h"
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
class QByteArray;
|
|
class QFile;
|
|
class QTimerEvent;
|
|
QT_END_NAMESPACE
|
|
|
|
class FileManager : public QThread
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
FileManager(QObject *parent = nullptr);
|
|
virtual ~FileManager();
|
|
|
|
inline void setMetaInfo(const MetaInfo &info) { metaInfo = info; }
|
|
inline void setDestinationFolder(const QString &directory) { destinationPath = directory; }
|
|
|
|
qint32 read(qint32 pieceIndex, qint32 offset, qint32 length);
|
|
void write(qint32 pieceIndex, qint32 offset, const QByteArray &data);
|
|
void verifyPiece(qint32 pieceIndex);
|
|
inline qint64 totalSize() const { return totalLength; }
|
|
|
|
inline qint32 pieceCount() const { return numPieces; }
|
|
qint32 pieceLengthAt(qint32 pieceIndex) const;
|
|
|
|
QBitArray completedPieces() const;
|
|
void setCompletedPieces(const QBitArray &pieces);
|
|
|
|
QString errorString() const;
|
|
|
|
public slots:
|
|
void startDataVerification();
|
|
|
|
signals:
|
|
void dataRead(qint32 id, qint32 pieceIndex, qint32 offset, const QByteArray &data);
|
|
void error();
|
|
void verificationProgress(int percent);
|
|
void verificationDone();
|
|
void pieceVerified(qint32 pieceIndex, bool verified);
|
|
|
|
protected:
|
|
void run() override;
|
|
|
|
private slots:
|
|
bool verifySinglePiece(qint32 pieceIndex);
|
|
void wakeUp();
|
|
|
|
private:
|
|
bool generateFiles();
|
|
QByteArray readBlock(qint32 pieceIndex, qint32 offset, qint32 length);
|
|
bool writeBlock(qint32 pieceIndex, qint32 offset, const QByteArray &data);
|
|
void verifyFileContents();
|
|
|
|
struct WriteRequest {
|
|
qint32 pieceIndex;
|
|
qint32 offset;
|
|
QByteArray data;
|
|
};
|
|
struct ReadRequest {
|
|
qint32 pieceIndex;
|
|
qint32 offset;
|
|
qint32 length;
|
|
qint32 id;
|
|
};
|
|
|
|
QString errString;
|
|
QString destinationPath;
|
|
MetaInfo metaInfo;
|
|
QList<QFile *> files;
|
|
QList<QByteArray> sha1s;
|
|
QBitArray verifiedPieces;
|
|
|
|
bool newFile;
|
|
int pieceLength;
|
|
qint64 totalLength;
|
|
int numPieces;
|
|
int readId;
|
|
bool startVerification;
|
|
bool quit;
|
|
bool wokeUp;
|
|
|
|
QList<WriteRequest> writeRequests;
|
|
QList<ReadRequest> readRequests;
|
|
QList<int> pendingVerificationRequests;
|
|
QList<int> newPendingVerificationRequests;
|
|
QList<qint64> fileSizes;
|
|
|
|
mutable QMutex mutex;
|
|
mutable QWaitCondition cond;
|
|
};
|
|
|
|
#endif
|