From: Michael Orlitzky Date: Thu, 20 May 2010 21:10:59 +0000 (-0400) Subject: Moved the min/max address/octetN functions out of IPv4Address and in to Cidr. X-Git-Tag: 0.0.1~34 X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=75038b45b9c379d8313511e58c3c0fe680810883;p=hath.git Moved the min/max address/octetN functions out of IPv4Address and in to Cidr. --- diff --git a/src/Cidr.hs b/src/Cidr.hs index 98c42c7..06704fb 100644 --- a/src/Cidr.hs +++ b/src/Cidr.hs @@ -5,6 +5,14 @@ module Cidr combine_all, contains, contains_proper, + max_octet1, + max_octet2, + max_octet3, + max_octet4, + min_octet1, + min_octet2, + min_octet3, + min_octet4, prop_all_cidrs_contain_themselves, prop_contains_proper_intransitive ) where @@ -13,6 +21,7 @@ import Data.List (nubBy) import Test.HUnit import Test.QuickCheck +import qualified Bit as B import IPv4Address import ListUtils import Maskable @@ -78,6 +87,200 @@ cidr_from_string s +min_address :: Cidr -> IPv4Address +min_address (Cidr IPv4Address.None _) = IPv4Address.None +min_address (Cidr _ Maskbits.None) = IPv4Address.None +min_address (Cidr addr mask) + | mask == ThirtyTwo = addr + | mask == ThirtyOne = addr { octet4 = apply_mask oct4 Seven } + | mask == Thirty = addr { octet4 = apply_mask oct4 Six } + | mask == TwentyNine = addr { octet4 = apply_mask oct4 Five } + | mask == TwentyEight = addr { octet4 = apply_mask oct4 Four } + | mask == TwentySeven = addr { octet4 = apply_mask oct4 Three } + | mask == TwentySix = addr { octet4 = apply_mask oct4 Two } + | mask == TwentyFive = addr { octet4 = apply_mask oct4 One } + | mask == TwentyFour = addr { octet4 = min_octet } + | mask == TwentyThree = addr { octet3 = apply_mask oct3 Seven, + octet4 = min_octet } + | mask == TwentyTwo = addr { octet3 = apply_mask oct3 Six, + octet4 = min_octet } + | mask == TwentyOne = addr { octet3 = apply_mask oct3 Five, + octet4 = min_octet } + | mask == Twenty = addr { octet3 = apply_mask oct3 Four, + octet4 = min_octet } + | mask == Nineteen = addr { octet3 = apply_mask oct3 Three, + octet4 = min_octet } + | mask == Eighteen = addr { octet3 = apply_mask oct3 Two, + octet4 = min_octet } + | mask == Seventeen = addr { octet3 = apply_mask oct3 One, + octet4 = min_octet } + | mask == Sixteen = addr { octet3 = min_octet, + octet4 = min_octet } + | mask == Fifteen = addr { octet2 = apply_mask oct2 Seven, + octet3 = min_octet, + octet4 = min_octet } + | mask == Fourteen = addr { octet2 = apply_mask oct2 Six, + octet3 = min_octet, + octet4 = min_octet } + | mask == Thirteen = addr { octet2 = apply_mask oct2 Five, + octet3 = min_octet, + octet4 = min_octet } + | mask == Twelve = addr { octet2 = apply_mask oct2 Four, + octet3 = min_octet, + octet4 = min_octet } + | mask == Eleven = addr { octet2 = apply_mask oct2 Three, + octet3 = min_octet, + octet4 = min_octet } + | mask == Ten = addr { octet2 = apply_mask oct2 Two, + octet3 = min_octet, + octet4 = min_octet } + | mask == Nine = addr { octet2 = apply_mask oct2 One, + octet3 = min_octet, + octet4 = min_octet } + | mask == Eight = addr { octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Seven = addr { octet1 = apply_mask oct1 Seven, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Six = addr { octet1 = apply_mask oct1 Six, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Five = addr { octet1 = apply_mask oct1 Five, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Four = addr { octet1 = apply_mask oct1 Four, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Three = addr { octet1 = apply_mask oct1 Three, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Two = addr { octet1 = apply_mask oct1 Two, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == One = addr { octet1 = apply_mask oct1 One, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | mask == Zero = addr { octet1 = min_octet, + octet2 = min_octet, + octet3 = min_octet, + octet4 = min_octet } + | otherwise = addr + where + oct1 = (octet1 addr) + oct2 = (octet2 addr) + oct3 = (octet3 addr) + oct4 = (octet4 addr) + + + +max_address :: Cidr -> IPv4Address +max_address (Cidr IPv4Address.None _) = IPv4Address.None +max_address (Cidr _ Maskbits.None) = IPv4Address.None +max_address (Cidr addr mask) + | mask == ThirtyTwo = ipv4address_from_octets oct1 oct2 oct3 oct4 + | mask == ThirtyOne = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 a31 B.One) + | mask == Thirty = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 B.One B.One) + | mask == TwentyNine = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 B.One B.One B.One) + | mask == TwentyEight = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 a27 a28 B.One B.One B.One B.One) + | mask == TwentySeven = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 a27 B.One B.One B.One B.One B.One) + | mask == TwentySix = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 a26 B.One B.One B.One B.One B.One B.One) + | mask == TwentyFive = ipv4address_from_octets oct1 oct2 oct3 (Octet a25 B.One B.One B.One B.One B.One B.One B.One) + | mask == TwentyFour = ipv4address_from_octets oct1 oct2 oct3 (max_octet) + | mask == TwentyThree = ipv4address_from_octets oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 a23 B.One) (max_octet) + | mask == TwentyTwo = ipv4address_from_octets oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 B.One B.One) (max_octet) + | mask == TwentyOne = ipv4address_from_octets oct1 oct2 (Octet a17 a18 a19 a20 a21 B.One B.One B.One) (max_octet) + | mask == Twenty = ipv4address_from_octets oct1 oct2 (Octet a17 a18 a19 a20 B.One B.One B.One B.One) (max_octet) + | mask == Nineteen = ipv4address_from_octets oct1 oct2 (Octet a17 a18 a19 B.One B.One B.One B.One B.One) (max_octet) + | mask == Eighteen = ipv4address_from_octets oct1 oct2 (Octet a17 a18 B.One B.One B.One B.One B.One B.One) (max_octet) + | mask == Seventeen = ipv4address_from_octets oct1 oct2 (Octet a17 B.One B.One B.One B.One B.One B.One B.One) (max_octet) + | mask == Sixteen = ipv4address_from_octets oct1 oct2 (max_octet) (max_octet) + | mask == Fifteen = ipv4address_from_octets oct1 (Octet a9 a10 a11 a12 a13 a14 a15 B.One) (max_octet) (max_octet) + | mask == Fourteen = ipv4address_from_octets oct1 (Octet a9 a10 a11 a12 a13 a14 B.One B.One) (max_octet) (max_octet) + | mask == Thirteen = ipv4address_from_octets oct1 (Octet a9 a10 a11 a12 a13 B.One B.One B.One) (max_octet) (max_octet) + | mask == Twelve = ipv4address_from_octets oct1 (Octet a9 a10 a11 a12 B.One B.One B.One B.One) (max_octet) (max_octet) + | mask == Eleven = ipv4address_from_octets oct1 (Octet a9 a10 a11 B.One B.One B.One B.One B.One) (max_octet) (max_octet) + | mask == Ten = ipv4address_from_octets oct1 (Octet a9 a10 B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) + | mask == Nine = ipv4address_from_octets oct1 (Octet a9 B.One B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) + | mask == Eight = ipv4address_from_octets oct1 (max_octet) (max_octet) (max_octet) + | mask == Seven = ipv4address_from_octets (Octet a1 a2 a3 a4 a5 a6 a7 B.One) (max_octet) (max_octet) (max_octet) + | mask == Six = ipv4address_from_octets (Octet a1 a2 a3 a4 a5 a6 B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == Five = ipv4address_from_octets (Octet a1 a2 a3 a4 a5 B.One B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == Four = ipv4address_from_octets (Octet a1 a2 a3 a4 B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == Three = ipv4address_from_octets (Octet a1 a2 a3 B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == Two = ipv4address_from_octets (Octet a1 a2 B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == One = ipv4address_from_octets (Octet a1 B.One B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) + | mask == Zero = ipv4address_from_octets (max_octet) (max_octet) (max_octet) (max_octet) + | otherwise = addr + where + a1 = (b1 oct1) + a2 = (b2 oct1) + a3 = (b3 oct1) + a4 = (b4 oct1) + a5 = (b5 oct1) + a6 = (b6 oct1) + a7 = (b7 oct1) + a9 = (b1 oct2) + a10 = (b2 oct2) + a11 = (b3 oct2) + a12 = (b4 oct2) + a13 = (b5 oct2) + a14 = (b6 oct2) + a15 = (b7 oct2) + a17 = (b1 oct3) + a18 = (b2 oct3) + a19 = (b3 oct3) + a20 = (b4 oct3) + a21 = (b5 oct3) + a22 = (b6 oct3) + a23 = (b7 oct3) + a25 = (b1 oct4) + a26 = (b2 oct4) + a27 = (b3 oct4) + a28 = (b4 oct4) + a29 = (b5 oct4) + a30 = (b6 oct4) + a31 = (b7 oct4) + oct1 = (octet1 addr) + oct2 = (octet2 addr) + oct3 = (octet3 addr) + oct4 = (octet4 addr) + + + +min_octet1 :: Cidr -> Octet +min_octet1 cidr = octet1 (min_address cidr) + +min_octet2 :: Cidr -> Octet +min_octet2 cidr = octet2 (min_address cidr) + +min_octet3 :: Cidr -> Octet +min_octet3 cidr = octet3 (min_address cidr) + +min_octet4 :: Cidr -> Octet +min_octet4 cidr = octet4 (min_address cidr) + +max_octet1 :: Cidr -> Octet +max_octet1 cidr = octet1 (max_address cidr) + +max_octet2 :: Cidr -> Octet +max_octet2 cidr = octet2 (max_address cidr) + +max_octet3 :: Cidr -> Octet +max_octet3 cidr = octet3 (max_address cidr) + +max_octet4 :: Cidr -> Octet +max_octet4 cidr = octet4 (max_address cidr) + + + -- Return true if the first argument (a CIDR range) contains the -- second (another CIDR range). There are a lot of ways we can be fed -- junk here. For lack of a better alternative, just return False when diff --git a/src/IPv4Address.hs b/src/IPv4Address.hs index cf2eb06..f52a423 100644 --- a/src/IPv4Address.hs +++ b/src/IPv4Address.hs @@ -2,14 +2,6 @@ module IPv4Address ( ipv4address_from_octets, ipv4address_tests, IPv4Address(None), - max_octet1, - max_octet2, - max_octet3, - max_octet4, - min_octet1, - min_octet2, - min_octet3, - min_octet4, most_sig_bit_different, octet1, octet2, @@ -20,7 +12,6 @@ module IPv4Address import Test.HUnit import Test.QuickCheck -import qualified Bit as B import Maskable import Maskbits import Octet @@ -114,199 +105,6 @@ ipv4address_from_octets oct1 oct2 oct3 oct4 | otherwise = IPv4Address oct1 oct2 oct3 oct4 -min_address :: IPv4Address -> Maskbits -> IPv4Address -min_address IPv4Address.None _ = IPv4Address.None -min_address _ Maskbits.None = IPv4Address.None -min_address addr mask - | mask == ThirtyTwo = addr - | mask == ThirtyOne = addr { octet4 = apply_mask oct4 Seven } - | mask == Thirty = addr { octet4 = apply_mask oct4 Six } - | mask == TwentyNine = addr { octet4 = apply_mask oct4 Five } - | mask == TwentyEight = addr { octet4 = apply_mask oct4 Four } - | mask == TwentySeven = addr { octet4 = apply_mask oct4 Three } - | mask == TwentySix = addr { octet4 = apply_mask oct4 Two } - | mask == TwentyFive = addr { octet4 = apply_mask oct4 One } - | mask == TwentyFour = addr { octet4 = min_octet } - | mask == TwentyThree = addr { octet3 = apply_mask oct3 Seven, - octet4 = min_octet } - | mask == TwentyTwo = addr { octet3 = apply_mask oct3 Six, - octet4 = min_octet } - | mask == TwentyOne = addr { octet3 = apply_mask oct3 Five, - octet4 = min_octet } - | mask == Twenty = addr { octet3 = apply_mask oct3 Four, - octet4 = min_octet } - | mask == Nineteen = addr { octet3 = apply_mask oct3 Three, - octet4 = min_octet } - | mask == Eighteen = addr { octet3 = apply_mask oct3 Two, - octet4 = min_octet } - | mask == Seventeen = addr { octet3 = apply_mask oct3 One, - octet4 = min_octet } - | mask == Sixteen = addr { octet3 = min_octet, - octet4 = min_octet } - | mask == Fifteen = addr { octet2 = apply_mask oct2 Seven, - octet3 = min_octet, - octet4 = min_octet } - | mask == Fourteen = addr { octet2 = apply_mask oct2 Six, - octet3 = min_octet, - octet4 = min_octet } - | mask == Thirteen = addr { octet2 = apply_mask oct2 Five, - octet3 = min_octet, - octet4 = min_octet } - | mask == Twelve = addr { octet2 = apply_mask oct2 Four, - octet3 = min_octet, - octet4 = min_octet } - | mask == Eleven = addr { octet2 = apply_mask oct2 Three, - octet3 = min_octet, - octet4 = min_octet } - | mask == Ten = addr { octet2 = apply_mask oct2 Two, - octet3 = min_octet, - octet4 = min_octet } - | mask == Nine = addr { octet2 = apply_mask oct2 One, - octet3 = min_octet, - octet4 = min_octet } - | mask == Eight = addr { octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Seven = addr { octet1 = apply_mask oct1 Seven, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Six = addr { octet1 = apply_mask oct1 Six, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Five = addr { octet1 = apply_mask oct1 Five, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Four = addr { octet1 = apply_mask oct1 Four, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Three = addr { octet1 = apply_mask oct1 Three, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Two = addr { octet1 = apply_mask oct1 Two, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == One = addr { octet1 = apply_mask oct1 One, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | mask == Zero = addr { octet1 = min_octet, - octet2 = min_octet, - octet3 = min_octet, - octet4 = min_octet } - | otherwise = addr - where - oct1 = (octet1 addr) - oct2 = (octet2 addr) - oct3 = (octet3 addr) - oct4 = (octet4 addr) - - - -max_address :: IPv4Address -> Maskbits -> IPv4Address -max_address IPv4Address.None _ = IPv4Address.None -max_address _ Maskbits.None = IPv4Address.None -max_address addr mask - | mask == ThirtyTwo = IPv4Address oct1 oct2 oct3 oct4 - | mask == ThirtyOne = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 a31 B.One) - | mask == Thirty = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 B.One B.One) - | mask == TwentyNine = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 B.One B.One B.One) - | mask == TwentyEight = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 B.One B.One B.One B.One) - | mask == TwentySeven = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 B.One B.One B.One B.One B.One) - | mask == TwentySix = IPv4Address oct1 oct2 oct3 (Octet a25 a26 B.One B.One B.One B.One B.One B.One) - | mask == TwentyFive = IPv4Address oct1 oct2 oct3 (Octet a25 B.One B.One B.One B.One B.One B.One B.One) - | mask == TwentyFour = IPv4Address oct1 oct2 oct3 (max_octet) - | mask == TwentyThree = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 a23 B.One) (max_octet) - | mask == TwentyTwo = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 B.One B.One) (max_octet) - | mask == TwentyOne = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 B.One B.One B.One) (max_octet) - | mask == Twenty = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 B.One B.One B.One B.One) (max_octet) - | mask == Nineteen = IPv4Address oct1 oct2 (Octet a17 a18 a19 B.One B.One B.One B.One B.One) (max_octet) - | mask == Eighteen = IPv4Address oct1 oct2 (Octet a17 a18 B.One B.One B.One B.One B.One B.One) (max_octet) - | mask == Seventeen = IPv4Address oct1 oct2 (Octet a17 B.One B.One B.One B.One B.One B.One B.One) (max_octet) - | mask == Sixteen = IPv4Address oct1 oct2 (max_octet) (max_octet) - | mask == Fifteen = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 a15 B.One) (max_octet) (max_octet) - | mask == Fourteen = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 B.One B.One) (max_octet) (max_octet) - | mask == Thirteen = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 B.One B.One B.One) (max_octet) (max_octet) - | mask == Twelve = IPv4Address oct1 (Octet a9 a10 a11 a12 B.One B.One B.One B.One) (max_octet) (max_octet) - | mask == Eleven = IPv4Address oct1 (Octet a9 a10 a11 B.One B.One B.One B.One B.One) (max_octet) (max_octet) - | mask == Ten = IPv4Address oct1 (Octet a9 a10 B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) - | mask == Nine = IPv4Address oct1 (Octet a9 B.One B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) - | mask == Eight = IPv4Address oct1 (max_octet) (max_octet) (max_octet) - | mask == Seven = IPv4Address (Octet a1 a2 a3 a4 a5 a6 a7 B.One) (max_octet) (max_octet) (max_octet) - | mask == Six = IPv4Address (Octet a1 a2 a3 a4 a5 a6 B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == Five = IPv4Address (Octet a1 a2 a3 a4 a5 B.One B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == Four = IPv4Address (Octet a1 a2 a3 a4 B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == Three = IPv4Address (Octet a1 a2 a3 B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == Two = IPv4Address (Octet a1 a2 B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == One = IPv4Address (Octet a1 B.One B.One B.One B.One B.One B.One B.One) (max_octet) (max_octet) (max_octet) - | mask == Zero = IPv4Address (max_octet) (max_octet) (max_octet) (max_octet) - | otherwise = addr - where - a1 = (b1 oct1) - a2 = (b2 oct1) - a3 = (b3 oct1) - a4 = (b4 oct1) - a5 = (b5 oct1) - a6 = (b6 oct1) - a7 = (b7 oct1) - a9 = (b1 oct2) - a10 = (b2 oct2) - a11 = (b3 oct2) - a12 = (b4 oct2) - a13 = (b5 oct2) - a14 = (b6 oct2) - a15 = (b7 oct2) - a17 = (b1 oct3) - a18 = (b2 oct3) - a19 = (b3 oct3) - a20 = (b4 oct3) - a21 = (b5 oct3) - a22 = (b6 oct3) - a23 = (b7 oct3) - a25 = (b1 oct4) - a26 = (b2 oct4) - a27 = (b3 oct4) - a28 = (b4 oct4) - a29 = (b5 oct4) - a30 = (b6 oct4) - a31 = (b7 oct4) - oct1 = (octet1 addr) - oct2 = (octet2 addr) - oct3 = (octet3 addr) - oct4 = (octet4 addr) - - - -min_octet1 :: IPv4Address -> Maskbits -> Octet -min_octet1 addr mask = octet1 (min_address addr mask) - -min_octet2 :: IPv4Address -> Maskbits -> Octet -min_octet2 addr mask = octet2 (min_address addr mask) - -min_octet3 :: IPv4Address -> Maskbits -> Octet -min_octet3 addr mask = octet3 (min_address addr mask) - -min_octet4 :: IPv4Address -> Maskbits -> Octet -min_octet4 addr mask = octet4 (min_address addr mask) - -max_octet1 :: IPv4Address -> Maskbits -> Octet -max_octet1 addr mask = octet1 (max_address addr mask) - -max_octet2 :: IPv4Address -> Maskbits -> Octet -max_octet2 addr mask = octet2 (max_address addr mask) - -max_octet3 :: IPv4Address -> Maskbits -> Octet -max_octet3 addr mask = octet3 (max_address addr mask) - -max_octet4 :: IPv4Address -> Maskbits -> Octet -max_octet4 addr mask = octet4 (max_address addr mask) - - -- Given two addresses, find the number of the most significant bit -- where they differ. If the addresses are the same, return -- Maskbits.Zero. diff --git a/src/Main.hs b/src/Main.hs index a3b1bfe..eeee9f6 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -4,7 +4,15 @@ import System.IO (stderr, hPutStrLn) import Cidr (Cidr(..), cidr_from_string, - combine_all) + combine_all, + max_octet1, + max_octet2, + max_octet3, + max_octet4, + min_octet1, + min_octet2, + min_octet3, + min_octet4 ) import CommandLine (help_set, help_text, @@ -13,7 +21,6 @@ import CommandLine (help_set, parse_errors, parse_mode) -import IPv4Address import Octet -- Some exit codes, used in the ExitFailure constructor. @@ -54,14 +61,14 @@ cidr_to_regex cidr = range2 = numeric_range min2 max2 range3 = numeric_range min3 max3 range4 = numeric_range min4 max4 - min1 = octet_to_int (min_octet1 (ipv4address cidr) (maskbits cidr)) - min2 = octet_to_int (min_octet2 (ipv4address cidr) (maskbits cidr)) - min3 = octet_to_int (min_octet3 (ipv4address cidr) (maskbits cidr)) - min4 = octet_to_int (min_octet4 (ipv4address cidr) (maskbits cidr)) - max1 = octet_to_int (max_octet1 (ipv4address cidr) (maskbits cidr)) - max2 = octet_to_int (max_octet2 (ipv4address cidr) (maskbits cidr)) - max3 = octet_to_int (max_octet3 (ipv4address cidr) (maskbits cidr)) - max4 = octet_to_int (max_octet4 (ipv4address cidr) (maskbits cidr)) + min1 = octet_to_int (min_octet1 cidr) + min2 = octet_to_int (min_octet2 cidr) + min3 = octet_to_int (min_octet3 cidr) + min4 = octet_to_int (min_octet4 cidr) + max1 = octet_to_int (max_octet1 cidr) + max2 = octet_to_int (max_octet2 cidr) + max3 = octet_to_int (max_octet3 cidr) + max4 = octet_to_int (max_octet4 cidr)