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require_relative "eui48.rb"
require_relative "eui64.rb"
require_relative "ipv4.rb"
require_relative "ipv4net.rb"
require_relative "ipv6.rb"
require_relative "ipv6net.rb"
require_relative "mask32.rb"
require_relative "mask128.rb"
require_relative "util.rb"
module NetAddr
# Constants
# 32 bits worth of '1'
F32 = 2**32-1
# 128 bits worth of '1'
F128 = 2**128-1
# ValidationError is thrown when a method fails a validation test.
class ValidationError < StandardError
end
# ipv4_prefix_len returns the prefix length needed to hold the number of IP addresses specified by "size".
def ipv4_prefix_len(size)
prefix_len = 32
32.downto(0) do |i|
hostbits = 32 - prefix_len
max = 1 << hostbits
if (size <= max)
break
end
prefix_len -= 1
end
return prefix_len
end
module_function :ipv4_prefix_len
## parse_ip parses a string into an IPv4 or IPv6
def parse_ip(ip)
if (ip.include?(":"))
return IPv6.parse(ip)
end
return IPv4.parse(ip)
end
module_function :parse_ip
## parse_net parses a string into an IPv4Net or IPv6Net
def parse_net(net)
if (net.include?(":"))
return IPv6Net.parse(net)
end
return IPv4Net.parse(net)
end
module_function :parse_net
# sort_IPv4 sorts a list of IPv4 objects in ascending order.
# It will return a new list with any non IPv4 objects removed.
def sort_IPv4(list)
if ( !list.kind_of?(Array) )
raise ArgumentError, "Expected an Array for 'list' but got a #{list.class}."
end
filtered = Util.filter_IPv4(list)
return Util.quick_sort(filtered)
end
module_function :sort_IPv4
# sort_IPv6 sorts a list of IPv6 objects in ascending order.
# It will return a new list with any non IPv6 objects removed.
def sort_IPv6(list)
if ( !list.kind_of?(Array) )
raise ArgumentError, "Expected an Array for 'list' but got a #{list.class}."
end
filtered = Util.filter_IPv6(list)
return Util.quick_sort(filtered)
end
module_function :sort_IPv6
# sort_IPv4Net sorts a list of IPv4Net objects in ascending order.
# It will return a new list with any non IPv4Net objects removed.
def sort_IPv4Net(list)
if ( !list.kind_of?(Array) )
raise ArgumentError, "Expected an Array for 'list' but got a #{list.class}."
end
filtered = Util.filter_IPv4Net(list)
return Util.quick_sort(filtered)
end
module_function :sort_IPv4Net
# sort_IPv6Net sorts a list of IPv6Net objects in ascending order.
# It will return a new list with any non IPv6Net objects removed.
def sort_IPv6Net(list)
if ( !list.kind_of?(Array) )
raise ArgumentError, "Expected an Array for 'list' but got a #{list.class}."
end
filtered = Util.filter_IPv6Net(list)
return Util.quick_sort(filtered)
end
module_function :sort_IPv6Net
# summ_IPv4Net summarizes a list of IPv4Net objects as much as possible.
# It will return a new list with any non IPv4Net objects removed.
def summ_IPv4Net(list)
list = Util.filter_IPv4Net(list)
if (list.length>1)
list = Util.discard_subnets(list)
return Util.summ_peers(list)
end
return [].concat(list)
end
module_function :summ_IPv4Net
# summ_IPv6Net summarizes a list of IPv6Net objects as much as possible.
# It will return a new list with any non IPv6Net objects removed.
def summ_IPv6Net(list)
list = Util.filter_IPv6Net(list)
if (list.length>1)
list = Util.discard_subnets(list)
return Util.summ_peers(list)
end
return [].concat(list)
end
module_function :summ_IPv6Net
end # end module
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