117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "emitter.h"
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#include "human_readable_format.h"
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#include "metadata.h"
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#include "restore_emitter.h"
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#include "xml_format.h"
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#include "version.h"
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#include <fstream>
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#include <iostream>
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#include <getopt.h>
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#include <libgen.h>
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using namespace persistent_data;
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using namespace std;
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using namespace thin_provisioning;
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//----------------------------------------------------------------
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namespace {
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void restore(string const &backup_file, string const &dev) {
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// FIXME: hard coded
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block_address const NR_BLOCKS = 100000;
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metadata::ptr md(new metadata(dev, metadata::CREATE, 128, NR_BLOCKS));
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emitter::ptr restorer = create_restore_emitter(md);
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ifstream in(backup_file.c_str(), ifstream::in);
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// FIXME:
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//try {
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parse_xml(in, restorer);
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#if 0
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} catch (...) {
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in.close();
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throw;
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}
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#endif
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}
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void usage(string const &cmd) {
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cerr << "Usage: " << cmd << " [options]" << endl << endl;
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cerr << "Options:" << endl;
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cerr << " {-h|--help}" << endl;
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cerr << " {-i|--input} input_file" << endl;
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cerr << " {-o [ --output} {device|file}" << endl;
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cerr << " {-V|--version}" << endl;
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}
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}
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int main(int argc, char **argv)
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{
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int c;
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const char *shortopts = "hi:o:V";
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string input, output;
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const struct option longopts[] = {
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{ "help", no_argument, NULL, 'h'},
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{ "input", required_argument, NULL, 'i' },
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{ "output", required_argument, NULL, 'o'},
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{ "version", no_argument, NULL, 'V'},
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{ NULL, no_argument, NULL, 0 }
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};
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while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
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switch(c) {
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case 'h':
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usage(basename(argv[0]));
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return 0;
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case 'i':
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input = optarg;
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break;
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case 'o':
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output = optarg;
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break;
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case 'V':
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cerr << THIN_PROVISIONING_TOOLS_VERSION << endl;
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return 0;
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}
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}
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if (argc == 1) {
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usage(basename(argv[0]));
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return 1;
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}
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if (input.empty()) {
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cerr << "No input file provided." << endl;
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return 1;
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}
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if (output.empty()) {
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cerr << "No output file provided." << endl;
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return 1;
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}
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restore(input, output);
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return 0;
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}
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//----------------------------------------------------------------
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