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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_DOWNLOAD_CONTEXT_H_
#define _D_DOWNLOAD_CONTEXT_H_
#include "common.h"
#include <string>
#include <deque>
#include "SharedHandle.h"
#include "Signature.h"
#include "TimeA2.h"
namespace aria2 {
class FileEntry;
class DownloadContext
{
protected:
std::string _dir;
private:
Time _downloadStartTime;
Time _downloadStopTime;
SharedHandle<Signature> _signature;
public:
DownloadContext();
virtual ~DownloadContext();
enum FILE_MODE {
SINGLE,
MULTI
};
virtual const std::string& getPieceHash(size_t index) const = 0;
virtual const std::deque<std::string>& getPieceHashes() const = 0;
virtual uint64_t getTotalLength() const = 0;
virtual bool knowsTotalLength() const = 0;
virtual FILE_MODE getFileMode() const = 0;
virtual std::deque<SharedHandle<FileEntry> > getFileEntries() const = 0;
virtual const std::string& getName() const = 0;
virtual size_t getPieceLength() const = 0;
virtual size_t getNumPieces() const = 0;
virtual const std::string& getPieceHashAlgo() const = 0;
/**
* Returns an actual file path.
* If this contains a single file entry, then returns its file path,
* for example, "/tmp/downloads/aria2.txt"
* If this contains multiple file entries(i,e /tmp/downloads/aria2.txt,
* /tmp/downloads/aria2.bin), then returns its base dir path,
* for example, "/tmp/downloads"
*/
virtual std::string getActualBasePath() const = 0;
const std::string& getDir() const;
void setDir(const std::string& dir);
SharedHandle<Signature> getSignature() const;
void setSignature(const SharedHandle<Signature>& signature);
void resetDownloadStartTime();
void resetDownloadStopTime();
int64_t calculateSessionTime() const;
};
typedef SharedHandle<DownloadContext> DownloadContextHandle;
} // namespace aria2
#endif // _D_DOWNLOAD_CONTEXT_H_
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