C++ Library to handle BagIt structures. BagIt is a standard format to create transfer packages for digital preservation purposes. See https://en.wikipedia.org/wiki/BagIt for details http://andreas-romeyke.de
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// Copyright (C) 2018 Andreas Romeyke (art1@andreas-romeyke.de), 2018.
//
// 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 3 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, see <https://www.gnu.org/licenses/>.
#ifndef LIBCBAG_CHECKSUM
#define LIBCBAG_CHECKSUM
#include <sstream>
#include <list>
#include <string>
#include <openssl/md5.h>
#include <openssl/sha.h>
using namespace std;
typedef struct {
long unsigned int octetcount;
long unsigned int streamcount;
} oxum_t;
//enum Checksum_algorithms {md5=1, sha1, sha256};
#define SequentialEnum(Name,...) \
enum Name { __VA_ARGS__ }; \
namespace \
{ \
const std::initializer_list<Name> Name##List { __VA_ARGS__ }; \
};
SequentialEnum(checksum_algorithms,
md5,
sha1,
sha256,
);
string string_of_algorithm( checksum_algorithms alg);
class Checksum {
private:
stringstream log;
public:
//Checksum();
bool is_algorithm_supported( checksum_algorithms alg );
string checksum_of_file(const string& filepath, checksum_algorithms alg);
oxum_t oxum_of_file(const string& filepath);
oxum_t oxum_of_filelist( list<string> files);
void get_logstream( stringstream & log);
void reset_logstream();
};
#endif
// vim: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab