ini_read.rb

   1 require 'optparse'
   2 require 'ostruct'
   3 require "inifile"
   4
   5 class OptParse
   6   def parse(args)
   7
   8     options = OpenStruct.new()
   9     options.inifile = nil
  10
  11     opt_parser = OptionParser.new() do |opts|
  12
  13       opts.banner = "Usage: monitor [options]"
  14       opts.separator ""
  15
  16       opts.on( '-f', "-f ini_file", "chose a different initialization file") do |ini|
  17         options.inifile = ini
  18       end
  19     end
  20     opt_parser.parse!(args)
  21     return options
  22   end
  23 end
  24
  25
  26 class Ini_read
  27   attr_reader(:global,:sections)
  28 #  attr_reader :global
  29 #  attr_accessor :global
  30   def initialize()
  31     options = OptParse.new().parse(ARGV)
  32     find_ini(options.inifile)
  33     read_ini()
  34     parse_config()
  35     parse_global()
  36   end
  37
  38   def find_ini(option_inifile)
  39     if(not option_inifile.nil?)
  40       @inifile = option_inifile
  41     elsif(ENV.has_key?('MONITOR_RC'))
  42       @inifile = ENV['MONITOR_RC']
  43     elsif(Process.uid == 0)
  44       @inifile = "/etc/monitor.rc"
  45     else
  46       @inifile = ENV['HOME']+"/.monitorrc"
  47     end
  48   end
  49
  50   def read_ini()
  51     @config = IniFile.load(@inifile, :default => 'global')
  52     if(@config.nil?)
  53       puts "Initialization file not found or not readable"
  54       exit
  55     end
  56   end
  57
  58   def each_section()
  59     return @sections
  60   end
  61
  62   def parse_config()
  63     @global = {}
  64     @sections = {}
  65     @config.each_section do |section|
  66       sec = @config[section]
  67       if(section == "global")
  68         @global = sec
  69         next
  70       end
  71       if(not sec.has_key?('Type'))
  72         puts "Section incomplete, ignored: "+ section
  73         next
  74       elsif(not sec.has_key?('Command'))
  75         puts "Section incomplete, ignored: "+ section
  76         next
  77       end
  78       if(sec['Type'] == "continuous")
  79         if(not sec.has_key?('Buffer'))
  80           sec['Buffer'] = 1000
  81         end
  82       end
  83       if(sec['Type'] == "oneshot")
  84         if(not sec.has_key?('Periodic'))
  85           sec['Periodic'] = 600
  86         end
  87       end
  88       @sections[section] = sec
  89     end
  90   end
  91
  92   def parse_global()
  93     if(@global.has_key?('list_size'))
  94       @global['list_size'] = @global['list_size'].to_i
  95       if(@global['list_size'] == 0)
  96         @global['list_size'] = 25
  97       end
  98     else
  99       @global['list_size'] = 25
 100     end
 101   end
 102
 103 end
 104