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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_SINGLE_FILE_DOWNLOAD_CONTEXT_H_
#define _D_SINGLE_FILE_DOWNLOAD_CONTEXT_H_
#include "DownloadContext.h"
#include "A2STR.h"
#include <string>
#include <deque>
namespace aria2 {
class SingleFileDownloadContext:public DownloadContext
{
private:
size_t _pieceLength;
SharedHandle<FileEntry> _fileEntry;
/**
* _filename and _ufilename may contains directory path name. So
* /usr/local/aria2c is acceptable here. These should be complete
* file path.
*/
std::string _filename;
std::string _ufilename;
std::string _contentType;
std::deque<std::string> _pieceHashes;
std::string _pieceHashAlgo;
std::string _checksum;
std::string _checksumHashAlgo;
bool _knowsTotalLength;
void updateFileEntry();
public:
SingleFileDownloadContext(size_t pieceLength,
uint64_t totalLength,
const std::string& filename,
const std::string& ufilename = A2STR::NIL);
virtual ~SingleFileDownloadContext() {}
virtual const std::string& getPieceHash(size_t index) const
{
if(index < _pieceHashes.size()) {
return _pieceHashes[index];
} else {
return A2STR::NIL;
}
}
virtual const std::deque<std::string>& getPieceHashes() const;
virtual uint64_t getTotalLength() const;
virtual bool knowsTotalLength() const;
virtual FILE_MODE getFileMode() const
{
return SINGLE;
}
virtual std::deque<SharedHandle<FileEntry> > getFileEntries() const;
virtual size_t getPieceLength() const
{
return _pieceLength;
}
virtual size_t getNumPieces() const;
virtual std::string getActualBasePath() const;
virtual const std::string& getPieceHashAlgo() const
{
return _pieceHashAlgo;
}
const std::string& getChecksumHashAlgo() const
{
return _checksumHashAlgo;
}
const std::string& getChecksum() const
{
return _checksum;
}
void setPieceHashes(const std::deque<std::string>& pieceHashes)
{
_pieceHashes = pieceHashes;
}
void setChecksumHashAlgo(const std::string& algo)
{
_checksumHashAlgo = algo;
}
void setChecksum(const std::string& checksum)
{
_checksum = checksum;
}
void setFilename(const std::string& filename)
{
_filename = filename;
updateFileEntry();
}
void setUFilename(const std::string& ufilename)
{
_ufilename = ufilename;
updateFileEntry();
}
void setTotalLength(uint64_t totalLength);
void markTotalLengthIsUnknown();
void setPieceHashAlgo(const std::string& algo)
{
_pieceHashAlgo = algo;
}
void setContentType(const std::string& contentType)
{
_contentType = contentType;
}
const std::string& getContentType()
{
return _contentType;
}
static const std::string DEFAULT_FILENAME;
};
typedef SharedHandle<SingleFileDownloadContext> SingleFileDownloadContextHandle;
} // namespace aria2
#endif // _D_SINGLE_FILE_DOWNLOAD_CONTEXT_H_
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