upstartmgr.c

/*=============================================================================
 Copyright (C) 2009 Ryan Hope <rmh3093@gmail.com>
 Copyright (C) 2010 WebOS Internals <support@webos-internals.org>

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or (at
 your option) any later version.

 This program is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.

 You should have received a copy of the GNU General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 =============================================================================*/

#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>

#include "upstartmgr.h"

static struct option long_options[] = {
  { "help",	no_argument,		0, 'h' },
  { "version",	no_argument,		0, 'V' },
  { "debug",	required_argument,	0, 'D' },
  { 0, 0, 0, 0 }
};

void print_version() {
  printf("Upstart Manager Service (%s)\n", VERSION);
}

void print_help(char *argv[]) {

  printf("Usage: %s [OPTION]...\n\n"
	 "Miscellaneous:\n"
	 "  -h, --help\t\tprint help information and exit\n"
	 "  -D, --debug\t\tset debug level\n"
	 "  -V, --version\t\tprint version information and exit\n", argv[0]);
}

int getopts(int argc, char *argv[]) {

  int c, retVal = 0;

  while (1) {
    int option_index = 0;
    c = getopt_long(argc, argv, "D:Vh", long_options, &option_index);
    if (c == -1)
      break;
    switch (c) {
    case 'D':
      debug = atoi(optarg);
      break;
    case 'V':
      print_version();
      retVal = 1;
      break;
    case 'h':
      print_help(argv);
      retVal = 1;
      break;
    case '?':
      print_help(argv);
      retVal = 1;
      break;
    default:
      abort();
    }
  }
  return retVal;
  
}

int main(int argc, char *argv[]) {

  debug = DEFAULT_DEBUG_LEVEL;

  if (getopts(argc, argv) == 1)
    return 1;

  if (luna_service_initialize("org.webosinternals.upstartmgr"))
    luna_service_start();

  return 0;

}