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Versions: 41
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Contents
require 'puppet/util/network_device'
module Puppet::Util::NetworkDevice::IPCalc
# This is a rip-off of authstore
Octet = '(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])'
IPv4 = "#{Octet}\.#{Octet}\.#{Octet}\.#{Octet}"
IPv6_full = "_:_:_:_:_:_:_:_|_:_:_:_:_:_::_?|_:_:_:_:_::((_:)?_)?|_:_:_:_::((_:){0,2}_)?|_:_:_::((_:){0,3}_)?|_:_::((_:){0,4}_)?|_::((_:){0,5}_)?|::((_:){0,6}_)?"
IPv6_partial = "_:_:_:_:_:_:|_:_:_:_::(_:)?|_:_::(_:){0,2}|_::(_:){0,3}"
IP = "#{IPv4}|#{IPv6_full}".gsub(/_/,'([0-9a-fA-F]{1,4})').gsub(/\(/,'(?:')
def parse(value)
case value
when /^(#{IP})\/(\d+)$/ # 12.34.56.78/24, a001:b002::efff/120, c444:1000:2000::9:192.168.0.1/112
[$2.to_i,IPAddr.new($1)]
when /^(#{IP})$/ # 10.20.30.40,
value = IPAddr.new(value)
[bits(value.family),value]
end
end
def bits(family)
family == Socket::AF_INET6 ? 128 : 32
end
def fullmask(family)
(1 << bits(family)) - 1
end
def mask(family, length)
(1 << (bits(family) - length)) - 1
end
# returns ip address netmask from prefix length
def netmask(family, length)
IPAddr.new(fullmask(family) & ~mask(family, length) , family)
end
# returns an IOS wildmask
def wildmask(family, length)
IPAddr.new(mask(family, length) , family)
end
# returns ip address prefix length from netmask
def prefix_length(netmask)
mask_addr = netmask.to_i
return 0 if mask_addr == 0
length=32
if (netmask.ipv6?)
length=128
end
mask = mask_addr < 2**length ? length : 128
mask.times do
if ((mask_addr & 1) == 1)
break
end
mask_addr = mask_addr >> 1
mask = mask - 1
end
mask
end
def linklocal?(ip)
end
end
Version data entries
41 entries across 41 versions & 3 rubygems