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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_ITERATABLE_CHECKSUM_VALIDATOR_H_
#define _D_ITERATABLE_CHECKSUM_VALIDATOR_H_
#include "common.h"
#include "BitfieldMan.h"
#include "Checksum.h"
#include "DiskWriter.h"
#include "LogFactory.h"
#include "messageDigest.h"
class IteratableChecksumValidator
{
private:
DiskWriterHandle _diskWriter;
BitfieldMan* _bitfield;
int64_t _currentOffset;
ChecksumHandle _checksum;
const Logger* logger;
MessageDigestContextHandle _ctx;
string calculateActualChecksum();
public:
IteratableChecksumValidator():_diskWriter(0), _bitfield(0), _currentOffset(0), _checksum(0), logger(LogFactory::getInstance()), _ctx(0) {}
bool canValidate() const;
void init();
void validateChunk();
bool finished() const
{
return _currentOffset >= _bitfield->getTotalLength();
}
void setDiskWriter(const DiskWriterHandle& diskWriter)
{
_diskWriter = diskWriter;
}
void setBitfield(BitfieldMan* bitfield)
{
_bitfield = bitfield;
}
void setChecksum(const ChecksumHandle& checksum)
{
_checksum = checksum;
}
int64_t getCurrentOffset() const
{
return _currentOffset;
}
};
typedef SharedHandle<IteratableChecksumValidator> IteratableChecksumValidatorHandle;
#endif // _D_ITERATABLE_CHECKSUM_VALIDATOR_H_
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