Class: Puppet::Util::IPCidr

Inherits:
IPAddr
  • Object
show all
Defined in:
lib/puppet/util/ipcidr.rb

Overview

IPCidr object wrapper for IPAddr

Instance Method Summary collapse

Constructor Details

#initialize(ipaddr, family = Socket::AF_UNSPEC) ⇒ IPCidr

Returns a new instance of IPCidr.



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# File 'lib/puppet/util/ipcidr.rb', line 7

def initialize(ipaddr, family = Socket::AF_UNSPEC)
  super(ipaddr, family)
rescue ArgumentError => e
  raise ArgumentError, "Invalid address from IPAddr.new: #{ipaddr}" if e.message =~ %r{invalid address}
  raise e
end

Instance Method Details

#cidr ⇒ Object 



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# File 'lib/puppet/util/ipcidr.rb', line 31

def cidr
  cidr = '%s/%s' % [to_s, prefixlen]
  cidr
end

#netmask ⇒ Object 



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# File 'lib/puppet/util/ipcidr.rb', line 14

def netmask
  _to_string(@mask_addr)
end

#prefixlen ⇒ Object 



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# File 'lib/puppet/util/ipcidr.rb', line 18

def prefixlen
  m = case @family
      when Socket::AF_INET
        IN4MASK
      when Socket::AF_INET6
        IN6MASK
      else
        raise 'unsupported address family'
      end
  return Regexp.last_match(1).length if %r{\A(1*)(0*)\z} =~ (@mask_addr & m).to_s(2)
  raise 'bad addr_mask format'
end