thin-provisioning-tools/thin_restore.cc

100 lines
2.5 KiB
C++
Raw Normal View History

2011-12-06 19:23:05 +05:30
// Copyright (C) 20011 Red Hat, Inc. All rights reserved.
//
2011-12-06 19:13:56 +05:30
// This file is part of the thin-provisioning-tools source.
//
// thin-provisioning-tools 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.
//
// thin-provisioning-tools 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 thin-provisioning-tools. If not, see
// <http://www.gnu.org/licenses/>.
#include "emitter.h"
#include "human_readable_format.h"
2011-08-31 18:31:48 +05:30
#include "metadata.h"
#include "restore_emitter.h"
#include "xml_format.h"
2011-08-31 18:31:48 +05:30
#include <fstream>
#include <iostream>
#include <boost/program_options.hpp>
2011-08-31 18:31:48 +05:30
using namespace persistent_data;
using namespace std;
using namespace thin_provisioning;
namespace po = boost::program_options;
2011-08-31 18:31:48 +05:30
//----------------------------------------------------------------
namespace {
void restore(string const &backup_file, string const &dev) {
// FIXME: hard coded
block_address const NR_BLOCKS = 100000;
metadata::ptr md(new metadata(dev, metadata::CREATE, 128, NR_BLOCKS));
emitter::ptr restorer = create_restore_emitter(md);
ifstream in(backup_file.c_str(), ifstream::in);
// FIXME:
//try {
parse_xml(in, restorer);
#if 0
} catch (...) {
in.close();
throw;
}
#endif
}
void usage(po::options_description const &desc) {
cerr << "Usage: thin_restore [options]" << endl << endl;
cerr << desc;
}
}
2011-08-31 18:31:48 +05:30
int main(int argc, char **argv)
{
po::options_description desc("Options");
desc.add_options()
("help", "Produce help message")
("input,i", po::value<string>(), "Input file")
("output,o", po::value<string>(), "Output file")
;
po::variables_map vm;
po::store(po::command_line_parser(argc, argv).options(desc).run(), vm);
po::notify(vm);
if (vm.count("help")) {
usage(desc);
return 0;
}
if (vm.count("input") != 1) {
cerr << "No input file provided." << endl;
usage(desc);
return 1;
}
if (vm.count("output") != 1) {
cerr << "No output file provided." << endl;
usage(desc);
return 1;
}
restore(vm["input"].as<string>(),
vm["output"].as<string>());
2011-08-31 18:31:48 +05:30
return 0;
2011-08-31 18:31:48 +05:30
}
//----------------------------------------------------------------