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/*
Actionaz
Copyright (C) 2008-2014 Jonathan Mercier-Ganady
Actionaz 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.
Actionaz 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/>.
Contact : jmgr@jmgr.info
*/
#include "devicecopythread.h"
#include <QIODevice>
#include <QSharedPointer>
namespace ActionTools
{
DeviceCopyThread::DeviceCopyThread(QIODevice *input, QIODevice *output)
: mInput(input),
mOutput(output),
mCopiedData(0),
mContinue(true)
{
}
void DeviceCopyThread::stop()
{
disconnect();
QMutexLocker mutexLocker(&mMutex);
mContinue = false;
}
qint64 DeviceCopyThread::copiedData() const
{
QMutexLocker mutexLocker(&mMutex);
return mCopiedData;
}
void DeviceCopyThread::run()
{
//Try to allocate as much as possible
int bufferSize = 1024 * 1024;
QSharedPointer<char> buffer;
while(!buffer)
{
try
{
buffer = QSharedPointer<char>(new char[bufferSize]);
}
catch(const std::exception &)
{
buffer.clear();
bufferSize /= 5;
continue;
}
}
int size;
while(!mInput->atEnd())
{
size = mInput->read(buffer.data(), bufferSize);
mOutput->write(buffer.data(), size);
{
QMutexLocker mutexLocker(&mMutex);
mCopiedData += size;
if(!mContinue)
return;
}
msleep(1);
}
}
}
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