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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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44
thin-provisioning/thin_check.cc
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@@ -344,21 +344,31 @@ namespace {
return !success;
}
void usage(ostream &out, string const &cmd) {
out << "Usage: " << cmd << " [options] {device|file}" << endl
<< "Options:" << endl
<< " {-q|--quiet}" << endl
<< " {-h|--help}" << endl
<< " {-V|--version}" << endl
<< " {--clear-needs-check-flag}" << endl
<< " {--ignore-non-fatal-errors}" << endl
<< " {--skip-mappings}" << endl
<< " {--super-block-only}" << endl;
}
}
int thin_check_main(int argc, char **argv)
//----------------------------------------------------------------
thin_check_cmd::thin_check_cmd()
: command("thin_check")
{
}
void
thin_check_cmd::usage(std::ostream &out) const
{
out << "Usage: " << get_name() << " [options] {device|file}" << endl
<< "Options:" << endl
<< " {-q|--quiet}" << endl
<< " {-h|--help}" << endl
<< " {-V|--version}" << endl
<< " {--clear-needs-check-flag}" << endl
<< " {--ignore-non-fatal-errors}" << endl
<< " {--skip-mappings}" << endl
<< " {--super-block-only}" << endl;
}
int
thin_check_cmd::run(int argc, char **argv)
{
int c;
flags fs;
@@ -378,7 +388,7 @@ int thin_check_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 'q':
@@ -412,7 +422,7 @@ int thin_check_main(int argc, char **argv)
break;
default:
usage(cerr, basename(argv[0]));
usage(cerr);
return 1;
}
}
@@ -420,7 +430,7 @@ int thin_check_main(int argc, char **argv)
if (argc == optind) {
if (!fs.quiet) {
cerr << "No input file provided." << endl;
usage(cerr, basename(argv[0]));
usage(cerr);
}
exit(1);
@@ -429,6 +439,4 @@ int thin_check_main(int argc, char **argv)
return check(argv[optind], fs);
}
base::command thin_provisioning::thin_check_cmd("thin_check", thin_check_main);
//----------------------------------------------------------------