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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 --> */
#include "PiecedSegment.h"
#include "Piece.h"
#include <cassert>
namespace aria2 {
PiecedSegment::PiecedSegment(int32_t pieceLength,
const std::shared_ptr<Piece>& piece)
: piece_(piece), pieceLength_(pieceLength)
{
size_t index;
bool t = piece_->getFirstMissingBlockIndexWithoutLock(index);
assert(t);
writtenLength_ = index * piece_->getBlockLength();
}
PiecedSegment::~PiecedSegment() = default;
bool PiecedSegment::complete() const { return piece_->pieceComplete(); }
size_t PiecedSegment::getIndex() const { return piece_->getIndex(); }
int64_t PiecedSegment::getPosition() const
{
return ((int64_t)piece_->getIndex()) * pieceLength_;
}
int64_t PiecedSegment::getPositionToWrite() const
{
return getPosition() + writtenLength_;
}
int64_t PiecedSegment::getLength() const { return piece_->getLength(); }
void PiecedSegment::updateWrittenLength(int64_t bytes)
{
auto newWrittenLength = writtenLength_ + bytes;
assert(newWrittenLength <= piece_->getLength());
for (auto i = writtenLength_ / piece_->getBlockLength(),
end = newWrittenLength / piece_->getBlockLength();
i < end; ++i) {
piece_->completeBlock(i);
}
if (newWrittenLength == piece_->getLength()) {
piece_->completeBlock(piece_->countBlock() - 1);
}
writtenLength_ = newWrittenLength;
}
bool PiecedSegment::updateHash(int64_t begin, const unsigned char* data,
size_t dataLength)
{
return piece_->updateHash(begin, data, dataLength);
}
bool PiecedSegment::isHashCalculated() const
{
return piece_->isHashCalculated();
}
std::string PiecedSegment::getDigest() { return piece_->getDigest(); }
void PiecedSegment::clear(WrDiskCache* diskCache)
{
writtenLength_ = 0;
piece_->clearAllBlock(diskCache);
piece_->destroyHashContext();
}
std::shared_ptr<Piece> PiecedSegment::getPiece() const { return piece_; }
} // namespace aria2
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