Module: IpAsInt::Ip2int

Included in:
IpAsInt
Defined in:
lib/ip_as_int/ip2int.rb

Instance Method Summary collapse

Instance Method Details

#int2ip(ip_int) ⇒ Object 



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# File 'lib/ip_as_int/ip2int.rb', line 8

def int2ip(ip_int)
  if ip_int
    [ip_int].pack('N').unpack('C*').join('.')
    #[24, 16, 8, 0].collect {|b| (address >> b) & 255}.join('.')IpAsInt::
  else
    ""
  end
end

#ip2a(ip_string) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ip_as_int/ip2int.rb', line 17

def ip2a(ip_string)
  ip_a = ip_string.split('.')
  raise(ArgumentError, "Invalid IP: need 4 parts") unless ip_a.length == 4
  rexp = /^\d+$/
  raise(ArgumentError, "Invalid IP: illegal format") unless ip_a.all? { |x| rexp.match(x) }
  ip_a = ip_a.map(&:to_i)
  raise(ArgumentError, "Invalid IP: integer out of range") unless ip_a.all? { |x| (0..255).include? x }
  ip_a
end

#ip2int(ip_string) ⇒ Object 



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# File 'lib/ip_as_int/ip2int.rb', line 3

def ip2int(ip_string)
  ip2a(ip_string).pack('C*').unpack('N').first
  #ip_string.split('.').inject(0) { |total,value| (total << 8 ) + value.to_i }
end