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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 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 --> */
#include "ChunkChecksum.h"
#include "A2STR.h"
namespace aria2 {
ChunkChecksum::ChunkChecksum():pieceLength_(0) {}
ChunkChecksum::ChunkChecksum
(const std::string& hashType,
const std::vector<std::string>& pieceHashes,
int32_t pieceLength)
: hashType_(hashType),
pieceHashes_(pieceHashes),
pieceLength_(pieceLength)
{}
bool ChunkChecksum::validateChunk
(const std::string& actualDigest,
size_t index) const
{
const std::string& digest = getPieceHash(index);
return !digest.empty() && actualDigest == digest;
}
int64_t ChunkChecksum::getEstimatedDataLength() const
{
return static_cast<int64_t>(pieceLength_)*pieceHashes_.size();
}
size_t ChunkChecksum::countPieceHash() const
{
return pieceHashes_.size();
}
const std::string& ChunkChecksum::getPieceHash(size_t index) const
{
if(index < pieceHashes_.size()) {
return pieceHashes_[index];
} else {
return A2STR::NIL;
}
}
void ChunkChecksum::setHashType(const std::string& hashType)
{
hashType_ = hashType;
}
void ChunkChecksum::setPieceHashes(const std::vector<std::string>& pieceHashes)
{
pieceHashes_ = pieceHashes;
}
} // namespace aria2
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