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.



8
9
10
11
12
13
 
# File 'lib/puppet/util/ipcidr.rb', line 8

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

Instance Method Details

#cidr ⇒ Object 



32
33
34
 
# File 'lib/puppet/util/ipcidr.rb', line 32

def cidr
  "#{self}/#{prefixlen}"
end

#netmask ⇒ Object 



15
16
17
 
# File 'lib/puppet/util/ipcidr.rb', line 15

def netmask
  _to_string(@mask_addr)
end

#prefixlen ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/puppet/util/ipcidr.rb', line 19

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