diag.rb

diag.rb

require 'net/ping'
require 'colorize'
require 'terminal-notifier'

class InternetDiagnosis
  def initialize
    @host = 'www.google.com'
    @concurrency = 3
    @prev_error = nil
  end

  def process
    icmp = Net::Ping::ICMP.new(@host, nil, 0.1) #default 0.1 second for good condition
    if icmp.ping
      print "  good    \r".yellow
    else
      print "  not good\r".red
      current = Time.now
      if @prev_error
        echo if current - @prev_error > 2 #report each 2 seconds
      else
        echo
      end
      @prev_error = current
    end
  end

  def echo
    system("echo 'mat mang me roi!' | terminal-notifier -sound default")
  end

  def run
    loop do
      sleep 1
      process
      $stdout.flush
    end
  end
end

InternetDiagnosis.new.run