122 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <iostream>
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| #include <getopt.h>
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| #include <libgen.h>
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| 
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| #include "base/output_file_requirements.h"
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| #include "caching/commands.h"
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| #include "caching/metadata.h"
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| #include "caching/metadata_dump.h"
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| #include "caching/restore_emitter.h"
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| #include "persistent-data/file_utils.h"
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| #include "version.h"
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| 
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| using namespace persistent_data;
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| using namespace std;
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| using namespace caching;
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| 
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| //----------------------------------------------------------------
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| 
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| namespace {
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| 	metadata::ptr open_metadata_for_read(string const &path) {
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| 		block_manager<>::ptr bm = open_bm(path, block_manager<>::READ_ONLY);
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| 		return metadata::ptr(new metadata(bm));
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| 	}
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| 
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| 	emitter::ptr output_emitter(string const &path) {
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| 		block_manager<>::ptr bm = open_bm(path, block_manager<>::READ_WRITE);
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| 		metadata::ptr md(new metadata(bm, metadata::CREATE));
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| 		return create_restore_emitter(md, true);
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| 	}
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| 
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| 	int repair(string const &old_path, string const &new_path) {
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| 		try {
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| 			metadata_dump(open_metadata_for_read(old_path),
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| 				      output_emitter(new_path),
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| 				      true);
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| 
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| 		} catch (std::exception &e) {
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| 			cerr << e.what() << endl;
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| 			return 1;
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| 		}
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| 
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| 		return 0;
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| 	}
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| }
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| 
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| //----------------------------------------------------------------
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| 
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| cache_repair_cmd::cache_repair_cmd()
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| 	: command("cache_repair")
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| {
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| }
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| 
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| void
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| cache_repair_cmd::usage(std::ostream &out) const
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| {
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| 	out << "Usage: " << get_name() << " [options] {device|file}" << endl
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| 	    << "Options:" << endl
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| 	    << "  {-h|--help}" << endl
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| 	    << "  {-i|--input} <input metadata (binary format)>" << endl
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| 	    << "  {-o|--output} <output metadata (binary format)>" << endl
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| 	    << "  {-V|--version}" << endl;
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| }
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| 
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| int
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| cache_repair_cmd::run(int argc, char **argv)
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| {
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| 	int c;
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| 	boost::optional<string> input_path, output_path;
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| 	const char shortopts[] = "hi:o:V";
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| 
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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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| 
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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(cout);
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| 			return 0;
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| 
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| 		case 'i':
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| 			input_path = optarg;
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| 			break;
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| 
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| 		case 'o':
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| 			output_path = optarg;
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| 			break;
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| 
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| 		case 'V':
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| 			cout << THIN_PROVISIONING_TOOLS_VERSION << endl;
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| 			return 0;
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| 
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| 		default:
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| 			usage(cerr);
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| 			return 1;
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| 		}
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| 	}
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| 
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| 	if (!input_path) {
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| 		cerr << "no input file provided" << endl;
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| 		usage(cerr);
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| 		return 1;
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| 	}
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| 
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| 	if (output_path)
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| 		check_output_file_requirements(*output_path);
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| 
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| 	else {
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| 		cerr << "no output file provided" << endl;
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| 		usage(cerr);
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| 		return 1;
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| 	}
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| 
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| 	return repair(*input_path, *output_path);
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| }
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| 
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| //----------------------------------------------------------------
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