Class: Scriptroute::IPaddress

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

Instance Method Summary collapse

Constructor Details

#initialize(n) ⇒ IPaddress

Returns a new instance of IPaddress.

Parameters:

  • n (String, IPaddress, Integer) —

    a hostname, an IP address in string form, another IPaddress or an IP address in numeric form



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# File 'lib/scriptroute/packets.rb', line 91

def initialize(n)
  raise "Seems bad to initialize an IPaddress with nil." unless n
  if(n.is_a?(String)) then
    shf = 32
    if n =~ /^[\d\.]+$/ then
      @addr = n.split('.').map { |i| shf -= 8; i.to_i << shf }.sum
    else
      addr = Scriptroute::dns_lookup(n)
      if addr then
        @addr = addr.split('.').map { |i| shf -= 8; i.to_i << shf }.sum
      else
        $stderr.puts "unable to lookup #{n}"
        @addr = 0
      end
    end
  elsif(n.is_a?(IPaddress)) then
    @addr = n.to_i
  else
    @addr = n
  end
end

Instance Method Details

#<=>(other) ⇒ Object

Compares numerically, for sorting.



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# File 'lib/scriptroute/packets.rb', line 134

def <=>(other)
  @addr <=> other.to_i
end

#==(other) ⇒ Object

Compares numerically, for equality test.



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# File 'lib/scriptroute/packets.rb', line 138

def ==(other)
  @addr == other.to_i
end

#eql?(other) ⇒ Boolean

in case you would like to store a Hash with IPaddresses as keys

Returns:

  • (Boolean) 


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# File 'lib/scriptroute/packets.rb', line 130

def eql?(other)
  @addr == other.to_i
end

#hash ⇒ Object

in case you would like to store a Hash with IPaddresses as keys



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# File 'lib/scriptroute/packets.rb', line 126

def hash
  @addr
end

#inspect ⇒ String

just invokes to_s for now.

Returns:

  • (String) 


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# File 'lib/scriptroute/packets.rb', line 118

def inspect
  to_s
end

#nameify ⇒ Object 



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# File 'lib/scriptroute/packets.rb', line 142

def nameify
  Scriptroute.nameify(self.to_s)
end

#to_i ⇒ Integer

Returns:

  • (Integer) 


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# File 'lib/scriptroute/packets.rb', line 122

def to_i
  @addr
end

#to_s ⇒ String

Returns dotted quad notation of the IP address.

Returns:

  • (String) —

    dotted quad notation of the IP address.



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# File 'lib/scriptroute/packets.rb', line 113

def to_s
  [ @addr >> 24, @addr >> 16, @addr >> 8, @addr ].map { |i| i & 0xff }.join(".")
end