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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef _D_TORRENT_DOWNLOAD_ENGINE_H_
#define _D_TORRENT_DOWNLOAD_ENGINE_H_
#include "DownloadEngine.h"
#include "TimeA2.h"
#include "BtContext.h"
#include "BtRuntime.h"
#include "PieceStorage.h"
#include "PeerStorage.h"
#include "BtAnnounce.h"
#include "BtProgressInfoFile.h"
class TorrentDownloadEngine : public DownloadEngine {
private:
bool filenameFixed;
void initStatistics();
void calculateStatistics();
protected:
Time cp;
Time lastCalcStat;
int downloadSpeed;
int uploadSpeed;
long long int selectedDownloadLengthDiff;
long long int selectedTotalLength;
// The time when startup
Time startup;
// The average speed(bytes per second) since startup
int avgSpeed;
// The estimated remaining time to complete the download.
int eta;
long long int downloadLength;
long long int uploadLength;
long long int totalLength;
BtContextHandle btContext;
BtRuntimeHandle btRuntime;
PieceStorageHandle pieceStorage;
PeerStorageHandle peerStorage;
BtAnnounceHandle btAnnounce;
BtProgressInfoFileHandle btProgressInfoFile;
int calculateSpeed(long long int sessionLength, int elapsed);
void calculateStat();
virtual void onEndOfRun();
virtual void sendStatistics() = 0;
public:
TorrentDownloadEngine();
virtual ~TorrentDownloadEngine();
bool isFilenameFixed() const { return filenameFixed; }
void setBtContext(const BtContextHandle& btContext);
};
#endif // _D_TORRENT_DOWNLOAD_ENGINE_H_
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