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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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42
thin-provisioning/thin_restore.cc
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@@ -60,20 +60,32 @@ namespace {
}
void usage(ostream &out, string const &cmd) {
out << "Usage: " << cmd << " [options]" << endl
<< "Options:" << endl
<< " {-h|--help}" << endl
<< " {-i|--input} <input xml file>" << endl
<< " {-o|--output} <output device or file>" << endl
<< " {-q|--quiet}" << endl
<< " {-V|--version}" << endl;
}
}
int thin_restore_main(int argc, char **argv)
//----------------------------------------------------------------
thin_restore_cmd::thin_restore_cmd()
: command("thin_restore")
{
}
void
thin_restore_cmd::usage(std::ostream &out) const
{
out << "Usage: " << get_name() << " [options]" << endl
<< "Options:" << endl
<< " {-h|--help}" << endl
<< " {-i|--input} <input xml file>" << endl
<< " {-o|--output} <output device or file>" << endl
<< " {-q|--quiet}" << endl
<< " {-V|--version}" << endl;
}
int
thin_restore_cmd::run(int argc, char **argv)
{
int c;
char const *prog_name = basename(argv[0]);
const char *shortopts = "hi:o:qV";
string input, output;
bool quiet = false;
@@ -89,7 +101,7 @@ int thin_restore_main(int argc, char **argv)
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
switch(c) {
case 'h':
usage(cout, prog_name);
usage(cout);
return 0;
case 'i':
@@ -109,31 +121,29 @@ int thin_restore_main(int argc, char **argv)
return 0;
default:
usage(cerr, prog_name);
usage(cerr);
return 1;
}
}
if (argc != optind) {
usage(cerr, prog_name);
usage(cerr);
return 1;
}
if (input.empty()) {
cerr << "No input file provided." << endl << endl;
usage(cerr, prog_name);
usage(cerr);
return 1;
}
if (output.empty()) {
cerr << "No output file provided." << endl << endl;
usage(cerr, prog_name);
usage(cerr);
return 1;
}
return restore(input, output, quiet);
}
base::command thin_provisioning::thin_restore_cmd("thin_restore", thin_restore_main);
//----------------------------------------------------------------