ceph/src/librados-config.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14 #include <iostream>
  15
  16 #include <boost/program_options/cmdline.hpp>
  17 #include <boost/program_options/option.hpp>
  18 #include <boost/program_options/options_description.hpp>
  19 #include <boost/program_options/parsers.hpp>
  20 #include <boost/program_options/variables_map.hpp>
  21
  22 #include "include/rados/librados.h"
  23 #include "ceph_ver.h"
  24
  25 namespace po = boost::program_options;
  26
  27 int main(int argc, const char **argv)
  28 {
  29   po::options_description desc{"usage: librados-config [option]"};
  30   desc.add_options()
  31     ("help,h", "print this help message")
  32     ("version", "library version")
  33     ("vernum", "library version code")
  34     ("release", "print release name");
  35
  36   po::parsed_options parsed =
  37     po::command_line_parser(argc, argv).options(desc).run();
  38   po::variables_map vm;
  39   po::store(parsed, vm);
  40   po::notify(vm);
  41
  42   if (vm.count("help")) {
  43     std::cout << desc << std::endl;
  44   } else if (vm.count("version")) {
  45     int maj, min, ext;
  46     rados_version(&maj, &min, &ext);
  47     std::cout << maj << "." << min << "." << ext << std::endl;
  48   } else if (vm.count("vernum")) {
  49     std::cout << std::hex << LIBRADOS_VERSION_CODE << std::dec << std::endl;
  50   } else if (vm.count("release")) {
  51     std::cout << CEPH_RELEASE_NAME << ' '
  52               << '(' << CEPH_RELEASE_TYPE << ')'
  53               << std::endl;
  54   } else {
  55     std::cerr << argv[0] << ": -h or --help for usage" << std::endl;
  56     return 1;
  57   }
  58 }
  59