WingHexExplorer2/ShareMemoryDrv/sharedmemory.h

54 lines
1.5 KiB
C++

/*==============================================================================
** Copyright (C) 2024-2027 WingSummer
**
** This program is free software: you can redistribute it and/or modify it under
** the terms of the GNU Affero General Public License as published by the Free
** Software Foundation, version 3.
**
** 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 Affero General Public License for more
** details.
**
** You should have received a copy of the GNU Affero General Public License
** along with this program. If not, see <https://www.gnu.org/licenses/>.
** =============================================================================
*/
#ifndef SHAREDMEMORY_H
#define SHAREDMEMORY_H
#include "WingPlugin/iwingdevice.h"
#include <QByteArray>
#include <QSharedMemory>
class SharedMemory : public WingHex::WingIODevice {
Q_OBJECT
public:
explicit SharedMemory(const QString &key, OpenMode mode,
QObject *parent = nullptr);
virtual ~SharedMemory();
public:
bool open(OpenMode mode) override;
virtual bool keepSize() const override;
void close() override;
qint64 readData(char *data, qint64 maxSize) override;
qint64 writeData(const char *data, qint64 maxSize) override;
virtual qint64 size() const override;
private:
QString m_key;
OpenMode m_mode;
QSharedMemory m_sharedMemory;
};
#endif // SHAREDMEMORY_H