From: Michael Orlitzky Date: Sun, 23 May 2010 16:53:11 +0000 (-0400) Subject: Update Cidr for the new definition of apply_mask. X-Git-Tag: 0.0.1~23 X-Git-Url: http://gitweb.michael.orlitzky.com/?p=hath.git;a=commitdiff_plain;h=a3c4fbd855c182390f39cdf88de36d7cb0ea69d5 Update Cidr for the new definition of apply_mask. Replace min/max_host with one-liners thanks to the new apply_mask. --- diff --git a/src/Cidr.hs b/src/Cidr.hs index 41ea9ee..8fc014f 100644 --- a/src/Cidr.hs +++ b/src/Cidr.hs @@ -55,7 +55,7 @@ equivalent Cidr.None Cidr.None = True equivalent Cidr.None _ = False equivalent _ Cidr.None = False equivalent (Cidr addr1 mbits1) (Cidr addr2 mbits2) = - (mbits1 == mbits2) && ((apply_mask addr1 mbits1) == (apply_mask addr2 mbits2)) + (mbits1 == mbits2) && ((apply_mask addr1 mbits1 B.Zero) == (apply_mask addr2 mbits2 B.Zero)) -- Returns the mask portion of a CIDR address. That is, everything -- after the trailing slash. @@ -91,157 +91,14 @@ min_host :: Cidr -> IPv4Address min_host Cidr.None = IPv4Address.None min_host (Cidr IPv4Address.None _) = IPv4Address.None min_host (Cidr _ Maskbits.None) = IPv4Address.None -min_host (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 = min_address { octet1 = oct1 } - | mask == Seven = min_address { octet1 = apply_mask oct1 Seven } - | mask == Six = min_address { octet1 = apply_mask oct1 Six } - | mask == Five = min_address { octet1 = apply_mask oct1 Five } - | mask == Four = min_address { octet1 = apply_mask oct1 Four } - | mask == Three = min_address { octet1 = apply_mask oct1 Three } - | mask == Two = min_address { octet1 = apply_mask oct1 Two } - | mask == One = min_address { octet1 = apply_mask oct1 One } - | mask == Zero = min_address - | otherwise = addr - where - oct1 = (octet1 addr) - oct2 = (octet2 addr) - oct3 = (octet3 addr) - oct4 = (octet4 addr) - +min_host (Cidr addr mask) = apply_mask addr mask B.Zero max_host :: Cidr -> IPv4Address max_host Cidr.None = IPv4Address.None max_host (Cidr IPv4Address.None _) = IPv4Address.None max_host (Cidr _ Maskbits.None) = IPv4Address.None -max_host (Cidr addr mask) - | mask == ThirtyTwo = addr - | mask == ThirtyOne = addr { octet4 = oct4 { b8 = B.One } } - | mask == Thirty = addr { octet4 = oct4 { b7 = B.One, b8 = B.One } } - | mask == TwentyNine = addr { octet4 = oct4 { b6 = B.One, - b7 = B.One, - b8 = B.One } } - | mask == TwentyEight = addr { octet4 = oct4 { b5 = B.One, - b6 = B.One, - b7 = B.One, - b8 = B.One } } - | mask == TwentySeven = addr { octet4 = oct4 { b4 = B.One, - b5 = B.One, - b6 = B.One, - b7 = B.One, - b8 = B.One } } - | mask == TwentySix = addr { octet4 = oct4 { b3 = B.One, - b4 = B.One, - b5 = B.One, - b6 = B.One, - b7 = B.One, - b8 = B.One } } - | mask == TwentyFive = addr { octet4 = oct4 { b2 = B.One, - b3 = B.One, - b4 = B.One, - b5 = B.One, - b6 = B.One, - b7 = B.One, - b8 = B.One } } - | mask == TwentyFour = addr { octet4 = 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) - oct1 = (octet1 addr) - oct2 = (octet2 addr) - oct3 = (octet3 addr) - oct4 = (octet4 addr) - +max_host (Cidr addr mask) = apply_mask addr mask B.One min_octet1 :: Cidr -> Octet @@ -313,8 +170,8 @@ contains (Cidr addr1 mbits1) (Cidr addr2 mbits2) | mbits1 > mbits2 = False | otherwise = addr1masked == addr2masked where - addr1masked = apply_mask addr1 mbits1 - addr2masked = apply_mask addr2 mbits1 + addr1masked = apply_mask addr1 mbits1 B.Zero + addr2masked = apply_mask addr2 mbits1 B.Zero contains_proper :: Cidr -> Cidr -> Bool