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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_CHUNK_CHECKSUM_H_
#define _D_CHUNK_CHECKSUM_H_
#include "common.h"
#include "SharedHandle.h"
#include "A2STR.h"
#include <string>
#include <deque>
namespace aria2 {
class ChunkChecksum {
private:
std::string _algo;
std::deque<std::string> _checksums;
size_t _checksumLength;
public:
ChunkChecksum():_checksumLength(0) {}
ChunkChecksum(const std::string& algo,
const std::deque<std::string>& checksums,
size_t checksumLength):
_algo(algo),
_checksums(checksums),
_checksumLength(checksumLength) {}
bool validateChunk(const std::string& actualChecksum,
size_t checksumIndex) const
{
if(checksumIndex < _checksums.size()) {
return actualChecksum == getChecksum(checksumIndex);
} else {
return false;
}
}
uint64_t getEstimatedDataLength() const
{
return ((uint64_t)_checksumLength)*_checksums.size();
}
size_t countChecksum() const
{
return _checksums.size();
}
const std::string& getChecksum(size_t index) const
{
if(index < _checksums.size()) {
return _checksums[index];
} else {
return A2STR::NIL;
}
}
const std::deque<std::string>& getChecksums() const
{
return _checksums;
}
size_t getChecksumLength() const
{
return _checksumLength;
}
const std::string& getAlgo() const
{
return _algo;
}
void setAlgo(const std::string& algo)
{
_algo = algo;
}
void setChecksumLength(size_t length)
{
_checksumLength = length;
}
void setChecksums(const std::deque<std::string>& mds)
{
_checksums = mds;
}
};
} // namespace aria2
#endif // _D_CHUNK_CHECKSUM_H_
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