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[base] introduce a command type that gets registered with the app

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This commit is contained in:
Joe Thornber
2016-01-08 12:51:52 +00:00
parent a709b9718b
commit c93e728ef4
28 changed files with 776 additions and 411 deletions
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40
thin-provisioning/thin_repair.cc
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@@ -33,18 +33,28 @@ namespace {
return 0;
}
void usage(ostream &out, string const &cmd) {
out << "Usage: " << cmd << " [options] {device|file}" << endl
<< "Options:" << endl
<< " {-h|--help}" << endl
<< " {-i|--input} <input metadata (binary format)>" << endl
<< " {-o|--output} <output metadata (binary format)>" << endl
<< " {-V|--version}" << endl;
}
}
int thin_repair_main(int argc, char **argv)
//----------------------------------------------------------------
thin_repair_cmd::thin_repair_cmd()
: command("thin_repair")
{
}
void
thin_repair_cmd::usage(std::ostream &out) const
{
out << "Usage: " << get_name() << " [options] {device|file}" << endl
<< "Options:" << endl
<< " {-h|--help}" << endl
<< " {-i|--input} <input metadata (binary format)>" << endl
<< " {-o|--output} <output metadata (binary format)>" << endl
<< " {-V|--version}" << endl;
}
int
thin_repair_cmd::run(int argc, char **argv)
{
int c;
boost::optional<string> input_path, output_path;
@@ -61,7 +71,7 @@ int thin_repair_main(int argc, char **argv)
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
switch(c) {
case 'h':
usage(cout, basename(argv[0]));
usage(cout);
return 0;
case 'i':
@@ -77,26 +87,24 @@ int thin_repair_main(int argc, char **argv)
return 0;
default:
usage(cerr, basename(argv[0]));
usage(cerr);
return 1;
}
}
if (!input_path) {
cerr << "no input file provided" << endl;
usage(cerr, basename(argv[0]));
usage(cerr);
return 1;
}
if (!output_path) {
cerr << "no output file provided" << endl;
usage(cerr, basename(argv[0]));
usage(cerr);
return 1;
}
return repair(*input_path, *output_path);
}
base::command thin_provisioning::thin_repair_cmd("thin_repair", thin_repair_main);
//----------------------------------------------------------------