Class: Iface::IpAddress

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

Overview

Represents an IP address including prefix length

Direct Known Subclasses

IpV4Address, IpV6Address

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ip_address) ⇒ IpAddress

Returns a new instance of IpAddress.



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# File 'lib/iface/ip_address.rb', line 13

def initialize(ip_address)
  @ipaddr = ip_address.is_a?(IPAddr) ? ip_address : IPAddr.new(ip_address)
  @mask_addr = @ipaddr.instance_eval { @mask_addr }
  @_bitmask = @mask_addr.to_s(2)
  @inverse_mask_addr = @_bitmask.tr('01', '10').to_i(2)
end

Class Method Details

.create(str) ⇒ Object 



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# File 'lib/iface/ip_address.rb', line 8

def self.create(str)
  ipaddr = IPAddr.new(str)
  (ipaddr.ipv4? ? IpV4Address : IpV6Address).new(ipaddr)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/iface/ip_address.rb', line 47

def ==(other)
  self.class == other.class && __state__ == other.__state__
end

#cidr_mask ⇒ Object 



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# File 'lib/iface/ip_address.rb', line 20

def cidr_mask
  case diff = full_mask - @mask_addr
  when 0
    full_cidr_mask
  when 1
    full_cidr_mask - 1
  else
    full_cidr_mask - Math.log2(diff).ceil
  end
end

#full_cidr_mask ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/iface/ip_address.rb', line 43

def full_cidr_mask
  raise NotImplementedError
end

#full_mask ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/iface/ip_address.rb', line 39

def full_mask
  raise NotImplementedError
end

#to_i ⇒ Object 



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# File 'lib/iface/ip_address.rb', line 31

def to_i
  @ipaddr.to_i
end

#to_s ⇒ Object 



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# File 'lib/iface/ip_address.rb', line 35

def to_s
  @ipaddr.to_s
end