mirror of https://github.com/aria2/aria2
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/* <!-- 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
|