mirror of https://github.com/aria2/aria2
126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
/* <!-- 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 <string>
|
|
#include <vector>
|
|
|
|
#include "SharedHandle.h"
|
|
#include "A2STR.h"
|
|
|
|
namespace aria2 {
|
|
|
|
class ChunkChecksum {
|
|
private:
|
|
std::string algo_;
|
|
std::vector<std::string> checksums_;
|
|
size_t checksumLength_;
|
|
public:
|
|
ChunkChecksum():checksumLength_(0) {}
|
|
|
|
ChunkChecksum(const std::string& algo,
|
|
const std::vector<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::vector<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::vector<std::string>& mds)
|
|
{
|
|
checksums_ = mds;
|
|
}
|
|
};
|
|
|
|
} // namespace aria2
|
|
|
|
#endif // _D_CHUNK_CHECKSUM_H_
|