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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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. *
***************************************************************************/
#ifndef BTPREALLOCATIONTHREAD_H
#define BTPREALLOCATIONTHREAD_H
#include <qstring.h>
#include <qthread.h>
#include <qmap.h>
#include <qmutex.h>
#include <util/constants.h>
namespace bt
{
class ChunkManager;
/**
* @author Joris Guisson <joris.guisson@gmail.com>
*
* Thread to preallocate diskspace
*/
class PreallocationThread : public QThread
{
ChunkManager* cman;
bool stopped,not_finished,done;
QString error_msg;
Uint64 bytes_written;
mutable QMutex mutex;
public:
PreallocationThread(ChunkManager* cman);
virtual ~PreallocationThread();
virtual void run();
/**
* Stop the thread.
*/
void stop();
/**
* Set an error message, also calls stop
* @param msg The message
*/
void setErrorMsg(const QString & msg);
/// See if the thread has been stopped
bool isStopped() const;
/// Did an error occur during the preallocation ?
bool errorHappened() const;
/// Get the error_msg
const QString & errorMessage() const {return error_msg;}
/// nb Number of bytes have been written
void written(Uint64 nb);
/// Get the number of bytes written
Uint64 bytesWritten();
/// Allocation was aborted, so the next time the torrent is started it needs to be started again
void setNotFinished();
/// See if the allocation hasn't completed yet
bool isNotFinished() const;
/// See if the thread was done
bool isDone() const;
private:
bool expand(const QString & path,Uint64 max_size);
};
}
#endif
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