Class: Unitard

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

Constant Summary collapse

RULE_NUM = 
4242
PIPE_NUM = 
7777

Instance Method Summary collapse

Instance Method Details

#status ⇒ Object 



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

def status

  pipe_line = `sudo ipfw pipe show #{PIPE_NUM} 2>/dev/null`.split(/\n/).first
  iface_line = `sudo ipfw show #{RULE_NUM} 2>/dev/null`.split(/\n/).first

  if pipe_line && iface_line
    speed_limit = pipe_line.scan(/\d+\.\d+/).join
    iface = iface_line.scan(/^.*\s+([a-z]{2,3}\d+)$/).join
    say "Current limit is set to #{speed_limit} Kbits/sec via interface #{iface}", :green
  else
    say 'No matching rule found. Probably no limit was set by Unitard', :red
  end

end

#unzip(silent = false) ⇒ Object 



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# File 'lib/unitard.rb', line 40

def unzip(silent=false)
  `sudo ipfw pipe delete #{PIPE_NUM} 2>&1 > /dev/null` and `sudo ipfw delete #{RULE_NUM} 2>&1 > /dev/null`
  unless silent
    say 'Phew! That was very skintight Unitard.', :green
    say '...all created by Unitard rules are deleted.', :blue
  end
end

#zip ⇒ Object 



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# File 'lib/unitard.rb', line 10

def zip

  unzip(true)

  if system("sudo ipfw pipe #{PIPE_NUM} config bw #{options[:bw]}Kbit/s delay 30 plr 0 2>&1 > /dev/null") &&
      system("sudo ipfw add #{RULE_NUM} pipe #{PIPE_NUM} ip from any to any via #{options[:iface]} 2>&1 > /dev/null")
    say "speed throttled. Your skintight Unitard is ready. Really tight :) only #{options[:bw]} Kbit/sec", :green
  else
    say "error - exit status #{$?.exitstatus}", :red
  end

end