validate_arguments (void)
{
	if (variable_number == -1)
		usage4 (_("You must supply the variable number"));

	if (label == NULL)
		label = strdup ("value");

	if (units == NULL)
		units = strdup ("");

	return OK;
}



void
print_help (void)
{
	print_revision (progname, revision);

	printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
	printf (COPYRIGHT, copyright, email);

	printf ("%s\n", _("This plugin will check either the average or maximum value of one of the"));
  printf ("%s\n", _("two variables recorded in an MRTG log file."));

  printf ("\n\n");
  
	print_usage ();

	printf (_(UT_HELP_VRSN));

	printf (" %s\n", "-F, --logfile=FILE");
  printf ("   %s\n", _("The MRTG log file containing the data you want to monitor"));
  printf ("-e, --expires=MINUTES");
  printf ("   %s\n", _("Minutes before MRTG data is considered to be too old"));
  printf (" %s\n", "-a, --aggregation=AVG|MAX");
  printf ("   %s\n", _("Should we check average or maximum values?"));
  printf (" %s\n", "-v, --variable=INTEGER");
  printf ("   %s\n", _("Which variable set should we inspect? (1 or 2)"));
  printf (" %s\n", "-w, --warning=INTEGER");
  printf ("   %s\n", _("Threshold value for data to result in WARNING status"));
  printf (" %s\n", "-c, --critical=INTEGER");
  printf ("   %s\n", _("Threshold value for data to result in CRITICAL status"));
	printf (" %s\n", "-l, --label=STRING");
  printf ("   %s\n", _("Type label for data (Examples: Conns, \"Processor Load\", In, Out)"));
  printf (" %s\n", "-u, --units=STRING");
  printf ("   %s\n", _("Option units label for data (Example: Packets/Sec, Errors/Sec,"));
  printf ("   %s\n", _("\"Bytes Per Second\", \"%% Utilization\")"));

	printf ("%s\n", _("If the value exceeds the <vwl> threshold, a WARNING status is returned. If"));
  printf ("%s\n", _("the value exceeds the <vcl> threshold, a CRITICAL status is returned.  If"));
  printf ("%s\n", _("the data in the log file is older than <expire_minutes> old, a WARNING"));
  printf ("%s\n", _("status is returned and a warning message is printed."));

	printf ("%s\n", _("This plugin is useful for monitoring MRTG data that does not correspond to"));
  printf ("%s\n", _("bandwidth usage.  (Use the check_mrtgtraf plugin for monitoring bandwidth)."));
  printf ("%s\n", _("It can be used to monitor any kind of data that MRTG is monitoring - errors,"));
  printf ("%s\n", _("packets/sec, etc.  I use MRTG in conjuction with the Novell NLM that allows"));
  printf ("%s\n", _("me to track processor utilization, user connections, drive space, etc and"));
  printf ("%s\n\n", _("this plugin works well for monitoring that kind of data as well."));

	printf ("%s\n", _("Notes:"));
  printf (" %s\n", _("- This plugin only monitors one of the two variables stored in the MRTG log"));
  printf (" %s\n", _("  file.  If you want to monitor both values you will have to define two"));
  printf (" %s\n", _("  commands with different values for the <variable> argument.  Of course,"));
  printf (" %s\n", _("you can always hack the code to make this plugin work for you..."));
  printf (" %s\n", _("- MRTG stands for the Multi Router Traffic Grapher.  It can be downloaded from"));
  printf (" %s\n", "http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html");

	printf (_(UT_SUPPORT));
}



/* original command line: 
	 <log_file> <expire_minutes> <AVG|MAX> <variable> <vwl> <vcl> <label> [units] */

void
print_usage (void)
{
  printf (_("Usage:"));
	printf ("%s -F log_file -a <AVG | MAX> -v variable -w warning -c critical\n",progname);
  printf ("[-l label] [-u units] [-e expire_minutes] [-t timeout] [-v]\n");
}