Class | Resolv::IPv4 |
In: |
lib/resolv.rb
|
Parent: | Object |
A Resolv::DNS IPv4 address.
Regex256 | = | /0 |1(?:[0-9][0-9]?)? |2(?:[0-4][0-9]?|5[0-5]?|[6-9])? |[3-9][0-9]?/x | Regular expression IPv4 addresses must match. | |
Regex | = | /\A(#{Regex256})\.(#{Regex256})\.(#{Regex256})\.(#{Regex256})\z/ |
# File lib/resolv.rb, line 2075 2075: def self.create(arg) 2076: case arg 2077: when IPv4 2078: return arg 2079: when Regex 2080: if (0..255) === (a = $1.to_i) && 2081: (0..255) === (b = $2.to_i) && 2082: (0..255) === (c = $3.to_i) && 2083: (0..255) === (d = $4.to_i) 2084: return self.new([a, b, c, d].pack("CCCC")) 2085: else 2086: raise ArgumentError.new("IPv4 address with invalid value: " + arg) 2087: end 2088: else 2089: raise ArgumentError.new("cannot interpret as IPv4 address: #{arg.inspect}") 2090: end 2091: end
Turns this IPv4 address into a Resolv::DNS::Name.
# File lib/resolv.rb, line 2119 2119: def to_name 2120: return DNS::Name.create( 2121: '%d.%d.%d.%d.in-addr.arpa.' % @address.unpack('CCCC').reverse) 2122: end