74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*************************************************************************
|
|
* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
|
|
* *
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.*
|
|
*************************************************************************/
|
|
|
|
#include "core/copytargetdevice.h"
|
|
|
|
#include "backend/corebackend.h"
|
|
#include "backend/corebackendmanager.h"
|
|
#include "backend/corebackenddevice.h"
|
|
|
|
#include "core/device.h"
|
|
|
|
|
|
/** Constructs a device to copy to.
|
|
@param d the Device to copy to
|
|
@param firstbyte the first byte on the Device to write to
|
|
@param lastbyte the last byte on the Device to write to
|
|
*/
|
|
CopyTargetDevice::CopyTargetDevice(Device& d, qint64 firstbyte, qint64 lastbyte) :
|
|
CopyTarget(),
|
|
m_Device(d),
|
|
m_BackendDevice(nullptr),
|
|
m_FirstByte(firstbyte),
|
|
m_LastByte(lastbyte)
|
|
{
|
|
}
|
|
|
|
/** Destructs a CopyTargetDevice */
|
|
CopyTargetDevice::~CopyTargetDevice()
|
|
{
|
|
delete m_BackendDevice;
|
|
}
|
|
|
|
/** Opens a CopyTargetDevice for writing to.
|
|
@return true on success
|
|
*/
|
|
bool CopyTargetDevice::open()
|
|
{
|
|
m_BackendDevice = CoreBackendManager::self()->backend()->openDeviceExclusive(device().deviceNode());
|
|
return m_BackendDevice != nullptr;
|
|
}
|
|
|
|
/** Writes the given number of bytes to the Device.
|
|
|
|
Note that @p writeOffset must be greater or equal than zero.
|
|
|
|
@param buffer the data to write
|
|
@param writeOffset where to start writing on the Device
|
|
@return true on success
|
|
*/
|
|
bool CopyTargetDevice::writeData(QByteArray& buffer, qint64 writeOffset)
|
|
{
|
|
Q_ASSERT(writeOffset >= 0);
|
|
bool rval = m_BackendDevice->writeData(buffer, writeOffset);
|
|
|
|
if (rval)
|
|
setBytesWritten(bytesWritten() + buffer.size());
|
|
|
|
return rval;
|
|
}
|