74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#include <iostream>
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#include "human_readable_format.h"
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#include "metadata.h"
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#include "xml_format.h"
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#include <boost/program_options.hpp>
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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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namespace po = boost::program_options;
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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_ll::ptr ll(new metadata_ll(path));
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metadata md(ll);
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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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md.dump(e);
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}
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void usage(po::options_description const &desc) {
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cerr << "Usage: thin_dump [options] <metadata device or file>" << endl << endl;
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cerr << desc;
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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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po::options_description desc("Options");
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desc.add_options()
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("help", "Produce help message")
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("format,f", po::value<string>()->default_value("xml"), "Select format (human_readable|xml)")
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("input,i", po::value<string>(), "Input file")
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;
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po::positional_options_description p;
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p.add("input", -1);
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po::variables_map vm;
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po::store(po::command_line_parser(argc, argv).options(desc).positional(p).run(), vm);
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po::notify(vm);
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if (vm.count("help")) {
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usage(desc);
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return 0;
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}
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if (vm.count("input") != 1) {
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cerr << "No input file provided." << endl;
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usage(desc);
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return 1;
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}
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dump(vm["input"].as<string>(), vm["format"].as<string>());
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return 0;
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}
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//----------------------------------------------------------------
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