96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
// Copyright (C) 20011 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 <iostream>
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#include <getopt.h>
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#include "human_readable_format.h"
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#include "metadata_dumper.h"
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#include "metadata.h"
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#include "xml_format.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 dump(string const &path, string const &format) {
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metadata::ptr md(new metadata(path, metadata::OPEN));
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emitter::ptr e;
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if (format == "xml")
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e = create_xml_emitter(cout);
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else if (format == "human_readable")
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e = create_human_readable_emitter(cout);
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else {
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cerr << "unknown format '" << format << "'" << endl;
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exit(1);
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}
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metadata_dump(md, e);
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}
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void usage(void) {
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cerr << "Usage: thin_dump [options] <metadata device or file>" << endl << endl;
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cerr << "Options:" << endl;
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cerr << " -h [ --help ] Produce help message" << endl;
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cerr << " -f [ --format ] arg (=xml) Select format (human_readable|xml)" << endl;
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cerr << " -i [ --input ] arg Input file" << 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[] = "hf:i:";
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string filename, format = "xml";
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const struct option longopts[] = {
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{ "help", no_argument, NULL, 'h'},
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{ "format", required_argument, NULL, 'f' },
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{ "input", required_argument, NULL, 'i'},
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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();
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return 1;
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case 'f':
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format = optarg;
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break;
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case 'i':
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filename = optarg;
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break;
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}
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}
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if (argc == 1 ||
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filename.empty()) {
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usage();
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return 1;
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}
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dump(filename, format);
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return 0;
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}
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//----------------------------------------------------------------
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