mch/Configuration.cc

   1 #include "Configuration.h"
   2
   3 namespace remote { namespace mch {
   4
   5 void Configuration::printHelp(po::options_description& desc)
   6 {
   7         std::cerr << PACKAGE_NAME << " (MCH) version " << PACKAGE_VERSION
   8                   << std::endl << std::endl
   9                   << desc
  10                   << std::endl;
  11         exit(0);
  12 }
  13
  14 void Configuration::read(int argc, char **argv)
  15 {
  16         // command line options
  17         po::options_description cmdline_options("Command line options");
  18
  19         cmdline_options.add_options()
  20         ("help", "Print usage help and exit")
  21         ("config-help", "Print config file usage help and exit")
  22         ("config-file",
  23                  po::value<std::string>()->default_value("/etc/remote-mch.cfg"),
  24                  "Path to the configuration file.")
  25         ("daemonize",
  26                 po::value<int>()->default_value(false),
  27                 "Run as a daemon.");
  28
  29         // declare all configuration groups
  30         po::options_description config("Configuration options");
  31
  32         config.add_options()
  33         ("devicePath",
  34                 po::value<std::string>()->default_value("/dev/remote"),
  35                 "Path to the remote mote device hierarchy.")
  36         ("usbPlugEventPipe",
  37                 po::value<std::string>()->default_value("/var/run/motehost.events"),
  38                 "Path to the fifo notifying the mote host of mote hotplug events.")
  39         ("pidFile",
  40                 po::value<std::string>()->default_value("/var/run/remote-mch.pid"),
  41                 "Path to the file containing the PID of the mote host.")
  42         ("serverAddress",
  43                 po::value<std::string>()->default_value("localhost"),
  44                 "DNS or IP address of the mote server.")
  45         ("serverPort",
  46                 po::value<uint16_t>()->default_value(10001),
  47                 "Port number to use for connecting to the mote server.")
  48         ("serverConnectionRetryInterval",
  49                 po::value<uint64_t>()->default_value(30),
  50                 "Number of seconds to wait between server connection retries.")
  51         ;
  52
  53         try {
  54                 store(po::parse_command_line(argc, argv, cmdline_options), vm);
  55         } catch (boost::program_options::error exception) {
  56                 std::cerr << "Error while parsing command line options: "
  57                           << exception.what() << std::endl << std::endl;
  58                 printHelp(cmdline_options);
  59         }
  60         notify(vm);
  61
  62         if (vm.count("help"))
  63                 printHelp(cmdline_options);
  64         if (vm.count("config-help"))
  65                 printHelp(config);
  66
  67         // get the configuration settings from a file
  68         std::ifstream ifs(Configuration::vm["config-file"].as<std::string>().c_str());
  69         try {
  70                 store(parse_config_file(ifs, config), vm);
  71         } catch (boost::program_options::error exception) {
  72                 std::cerr << "Error while parsing configuration file: "
  73                           << exception.what() << std::endl << std::endl;
  74                 printHelp(config);
  75         }
  76         notify(vm);
  77 }
  78
  79 }}