Class: InternetTracer::App

Inherits:
Object
  • Object
show all
Defined in:
lib/internet_tracer.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ App

Returns a new instance of App.



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# File 'lib/internet_tracer.rb', line 15

def initialize
  ["INT", "TERM"].each do |signame|
    trap(signame) do
      puts "Caught SIG#{signame}"
      exit
    end
  end
end

Instance Method Details

#detector ⇒ Object 



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# File 'lib/internet_tracer.rb', line 11

def detector
  @detecor ||= Detector.new    
end

#run ⇒ Object 



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# File 'lib/internet_tracer.rb', line 24

def run      
  options = OpenStruct.new
  options.verbose = false
  options.notify = true
  optparse = OptionParser.new do |opts|   
    opts.banner = "Usage: internet-trace [options]"        
    opts.separator "Example usage: internet-trace -l \"/#{'\\<div id="wan_ip"\\>.*?'}/i\" -u \"http://router.local/status\""

    opts.separator ""
    opts.separator "Regexp options:"        
    
    opts.on( '-l', '--left REGEXP', 'Allows to set left regexp', " Default: #{detector.regexp_left.inspect}" ) do |regexp|
      detector.set_regexp(:left => regexp.to_regexp)
    end
    
    opts.on( '-r', '--right REGEXP', 'Allows to set right regexp', " Default: #{detector.regexp_right.inspect}" ) do |regexp|
      detector.set_regexp(:right => regexp.to_regexp)
    end
    
    opts.on( '-m', '--main REGEXP', 'Allows to set main regexp (used for the new IP address value)', " Default: #{detector.regexp_main.inspect}" ) do |regexp|
      detector.set_regexp(:main  => regexp.to_regexp)
    end
    
    opts.separator ""
    opts.separator "Specific options:"
    
    opts.on( '-u', '--url URL', 'Specifies the checked page url', " Default: #{detector.status_url}" ) do |url|
      detector.status_url = url
    end
    
    opts.on( '-p', '--period SECONDS', 'How frequently should checks happen, in seconds', " Default: #{detector.check_period}" ) do |seconds|
      detector.check_period = seconds.to_i
    end
    
    opts.on( '--no-notify', 'Disable notification on success (only notifies if "notify-send" command is available)' ) do
      options.notify = false
    end
       
    opts.separator ""
    opts.separator "Other options:" 
            
    opts.on( '--[no-]verbose', 'Run verbosely' ) do |v|
      options.verbose = v
    end
               
    opts.on( '--debug', 'Debug mode' ) do
      options.verbose = true
      detector.debug = true
    end
    
    opts.separator ""
    opts.separator "Presets:"   
     
    opts.on( '-w', '--dd-wrt', 'Use preset for DD-WRT' ) do
      detector.set_regexp(:left => /\<span id="ipinfo"\>.*?/, :right => //, :main => /[0-9]{1,3}(\.[0-9]{1,3}){3}/)
    end  
    
    opts.separator ""
    opts.separator "Common options:"

    # No argument, shows at tail.  This will print an options summary.
    # Try it and see!
    opts.on_tail("-h", "--help", "Show this message") do
      puts opts
      exit
    end

    # Another typical switch to print the version.
    opts.on_tail("-v", "--version", "Show version") do
      puts VERSION
      exit
    end
  end
  optparse.parse!
  
  puts detector if detector.debug
  
  ip = detector.wait_for_normal_ip do |wrong_ip|
    puts "#{Time.now.strftime("%Y-%m-%d %H:%M:%S")} - No luck this time... (got: #{wrong_ip})" if options.verbose
  end

  puts "#{Time.now.strftime("%Y-%m-%d %H:%M:%S")} - Ok, we're happy!" if options.verbose
  puts "New IP is: #{ip}"

  # Using notify-send to send notification, should give no problem even without libnotify
  system("notify-send", "Internet in now connected!", "Your IP is: #{ip}") if options.notify
end