-module IPv4Address (
- IPv4Address,
- ipv4address_from_string,
- min_octet1,
- min_octet2,
- min_octet3,
- min_octet4,
- max_octet1,
- max_octet2,
- max_octet3,
- max_octet4
+module IPv4Address
+( ipv4address_from_octets,
+ ipv4address_tests,
+ IPv4Address(None),
+ max_address,
+ min_address,
+ most_sig_bit_different,
+ octet1,
+ octet2,
+ octet3,
+ octet4
) where
-import Bit
+import Test.HUnit
+import Test.QuickCheck
+
+import Maskable
+import Maskbits
import Octet
-type Maskbits = Int
+data IPv4Address = None | IPv4Address { octet1 :: Octet,
+ octet2 :: Octet,
+ octet3 :: Octet,
+ octet4 :: Octet }
+ deriving (Eq)
-data IPv4Address = IPv4Address { octet1 :: Octet,
- octet2 :: Octet,
- octet3 :: Octet,
- octet4 :: Octet }
- deriving (Eq, Show)
+instance Show IPv4Address where
+ show IPv4Address.None = "None"
+ show addr = concat [(show oct1) ++ ".",
+ (show oct2) ++ ".",
+ (show oct3) ++ ".",
+ (show oct4)]
+ where
+ oct1 = (octet1 addr)
+ oct2 = (octet2 addr)
+ oct3 = (octet3 addr)
+ oct4 = (octet4 addr)
-default_ipv4address :: IPv4Address
-default_ipv4address = IPv4Address (min_octet) (min_octet) (min_octet) (min_octet)
+instance Arbitrary IPv4Address where
+ arbitrary = do
+ oct1 <- arbitrary :: Gen Octet
+ oct2 <- arbitrary :: Gen Octet
+ oct3 <- arbitrary :: Gen Octet
+ oct4 <- arbitrary :: Gen Octet
+ return (IPv4Address oct1 oct2 oct3 oct4)
-ipv4address_from_string :: String -> IPv4Address
-ipv4address_from_string s
- | length s < 32 = default_ipv4address
- | otherwise = IPv4Address (Octet a1 a2 a3 a4 a5 a6 a7 a8) (Octet a9 a10 a11 a12 a13 a14 a15 a16)(Octet a17 a18 a19 a20 a21 a22 a23 a24) (Octet a25 a26 a27 a28 a29 a30 a31 a32)
- where
- a1 = bit_from_char (s !! 0)
- a2 = bit_from_char (s !! 1)
- a3 = bit_from_char (s !! 2)
- a4 = bit_from_char (s !! 3)
- a5 = bit_from_char (s !! 4)
- a6 = bit_from_char (s !! 5)
- a7 = bit_from_char (s !! 6)
- a8 = bit_from_char (s !! 7)
- a9 = bit_from_char (s !! 8)
- a10 = bit_from_char (s !! 9)
- a11 = bit_from_char (s !! 10)
- a12 = bit_from_char (s !! 11)
- a13 = bit_from_char (s !! 12)
- a14 = bit_from_char (s !! 13)
- a15 = bit_from_char (s !! 14)
- a16 = bit_from_char (s !! 15)
- a17 = bit_from_char (s !! 16)
- a18 = bit_from_char (s !! 17)
- a19 = bit_from_char (s !! 18)
- a20 = bit_from_char (s !! 19)
- a21 = bit_from_char (s !! 20)
- a22 = bit_from_char (s !! 21)
- a23 = bit_from_char (s !! 22)
- a24 = bit_from_char (s !! 23)
- a25 = bit_from_char (s !! 24)
- a26 = bit_from_char (s !! 25)
- a27 = bit_from_char (s !! 26)
- a28 = bit_from_char (s !! 27)
- a29 = bit_from_char (s !! 28)
- a30 = bit_from_char (s !! 29)
- a31 = bit_from_char (s !! 30)
- a32 = bit_from_char (s !! 31)
-
-
-min_address :: IPv4Address -> Maskbits -> IPv4Address
-min_address addr mask
- | mask == 32 = IPv4Address oct1 oct2 oct3 oct4
- | mask == 31 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 a31 Zero)
- | mask == 30 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 Zero Zero)
- | mask == 29 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 Zero Zero Zero)
- | mask == 28 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 Zero Zero Zero Zero)
- | mask == 27 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 Zero Zero Zero Zero Zero)
- | mask == 26 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 Zero Zero Zero Zero Zero Zero)
- | mask == 25 = IPv4Address oct1 oct2 oct3 (Octet a25 Zero Zero Zero Zero Zero Zero Zero)
- | mask == 24 = IPv4Address oct1 oct2 oct3 (min_octet)
- | mask == 23 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 a23 Zero) (min_octet)
- | mask == 22 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 Zero Zero) (min_octet)
- | mask == 21 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 Zero Zero Zero) (min_octet)
- | mask == 20 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 Zero Zero Zero Zero) (min_octet)
- | mask == 19 = IPv4Address oct1 oct2 (Octet a17 a18 a19 Zero Zero Zero Zero Zero) (min_octet)
- | mask == 18 = IPv4Address oct1 oct2 (Octet a17 a18 Zero Zero Zero Zero Zero Zero) (min_octet)
- | mask == 17 = IPv4Address oct1 oct2 (Octet a17 Zero Zero Zero Zero Zero Zero Zero) (min_octet)
- | mask == 16 = IPv4Address oct1 oct2 (min_octet) (min_octet)
- | mask == 15 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 a15 Zero) (min_octet) (min_octet)
- | mask == 14 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 Zero Zero) (min_octet) (min_octet)
- | mask == 13 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 Zero Zero Zero) (min_octet) (min_octet)
- | mask == 12 = IPv4Address oct1 (Octet a9 a10 a11 a12 Zero Zero Zero Zero) (min_octet) (min_octet)
- | mask == 11 = IPv4Address oct1 (Octet a9 a10 a11 Zero Zero Zero Zero Zero) (min_octet) (min_octet)
- | mask == 10 = IPv4Address oct1 (Octet a9 a10 Zero Zero Zero Zero Zero Zero) (min_octet) (min_octet)
- | mask == 9 = IPv4Address oct1 (Octet a9 Zero Zero Zero Zero Zero Zero Zero) (min_octet) (min_octet)
- | mask == 8 = IPv4Address oct1 (min_octet) (min_octet) (min_octet)
- | mask == 7 = IPv4Address (Octet a1 a2 a3 a4 a5 a6 a7 Zero) (min_octet) (min_octet) (min_octet)
- | mask == 6 = IPv4Address (Octet a1 a2 a3 a4 a5 a6 Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 5 = IPv4Address (Octet a1 a2 a3 a4 a5 Zero Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 4 = IPv4Address (Octet a1 a2 a3 a4 Zero Zero Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 3 = IPv4Address (Octet a1 a2 a3 Zero Zero Zero Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 2 = IPv4Address (Octet a1 a2 Zero Zero Zero Zero Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 1 = IPv4Address (Octet a1 Zero Zero Zero Zero Zero Zero Zero) (min_octet) (min_octet) (min_octet)
- | mask == 0 = IPv4Address (min_octet) (min_octet) (min_octet) (min_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)
-
-
-
-max_address :: IPv4Address -> Maskbits -> IPv4Address
-max_address addr mask
- | mask == 32 = IPv4Address oct1 oct2 oct3 oct4
- | mask == 31 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 a31 One)
- | mask == 30 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 a30 One One)
- | mask == 29 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 a29 One One One)
- | mask == 28 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 a28 One One One One)
- | mask == 27 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 a27 One One One One One)
- | mask == 26 = IPv4Address oct1 oct2 oct3 (Octet a25 a26 One One One One One One)
- | mask == 25 = IPv4Address oct1 oct2 oct3 (Octet a25 One One One One One One One)
- | mask == 24 = IPv4Address oct1 oct2 oct3 (max_octet)
- | mask == 23 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 a23 One) (max_octet)
- | mask == 22 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 a22 One One) (max_octet)
- | mask == 21 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 a21 One One One) (max_octet)
- | mask == 20 = IPv4Address oct1 oct2 (Octet a17 a18 a19 a20 One One One One) (max_octet)
- | mask == 19 = IPv4Address oct1 oct2 (Octet a17 a18 a19 One One One One One) (max_octet)
- | mask == 18 = IPv4Address oct1 oct2 (Octet a17 a18 One One One One One One) (max_octet)
- | mask == 17 = IPv4Address oct1 oct2 (Octet a17 One One One One One One One) (max_octet)
- | mask == 16 = IPv4Address oct1 oct2 (max_octet) (max_octet)
- | mask == 15 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 a15 One) (max_octet) (max_octet)
- | mask == 14 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 a14 One One) (max_octet) (max_octet)
- | mask == 13 = IPv4Address oct1 (Octet a9 a10 a11 a12 a13 One One One) (max_octet) (max_octet)
- | mask == 12 = IPv4Address oct1 (Octet a9 a10 a11 a12 One One One One) (max_octet) (max_octet)
- | mask == 11 = IPv4Address oct1 (Octet a9 a10 a11 One One One One One) (max_octet) (max_octet)
- | mask == 10 = IPv4Address oct1 (Octet a9 a10 One One One One One One) (max_octet) (max_octet)
- | mask == 9 = IPv4Address oct1 (Octet a9 One One One One One One One) (max_octet) (max_octet)
- | mask == 8 = IPv4Address oct1 (max_octet) (max_octet) (max_octet)
- | mask == 7 = IPv4Address (Octet a1 a2 a3 a4 a5 a6 a7 One) (max_octet) (max_octet) (max_octet)
- | mask == 6 = IPv4Address (Octet a1 a2 a3 a4 a5 a6 One One) (max_octet) (max_octet) (max_octet)
- | mask == 5 = IPv4Address (Octet a1 a2 a3 a4 a5 One One One) (max_octet) (max_octet) (max_octet)
- | mask == 4 = IPv4Address (Octet a1 a2 a3 a4 One One One One) (max_octet) (max_octet) (max_octet)
- | mask == 3 = IPv4Address (Octet a1 a2 a3 One One One One One) (max_octet) (max_octet) (max_octet)
- | mask == 2 = IPv4Address (Octet a1 a2 One One One One One One) (max_octet) (max_octet) (max_octet)
- | mask == 1 = IPv4Address (Octet a1 One One One One One One One) (max_octet) (max_octet) (max_octet)
- | mask == 0 = IPv4Address (max_octet) (max_octet) (max_octet) (max_octet)
- | otherwise = addr
+
+
+instance Maskable IPv4Address where
+ apply_mask _ Maskbits.None _ = IPv4Address.None
+ apply_mask addr mask bit
+ | mask == ThirtyTwo = addr
+ | mask == ThirtyOne = addr { octet4 = (apply_mask oct4 Seven bit) }
+ | mask == Thirty = addr { octet4 = (apply_mask oct4 Six bit) }
+ | mask == TwentyNine = addr { octet4 = (apply_mask oct4 Five bit) }
+ | mask == TwentyEight = addr { octet4 = (apply_mask oct4 Four bit) }
+ | mask == TwentySeven = addr { octet4 = (apply_mask oct4 Three bit) }
+ | mask == TwentySix = addr { octet4 = (apply_mask oct4 Two bit) }
+ | mask == TwentyFive = addr { octet4 = (apply_mask oct4 One bit) }
+ | mask == TwentyFour = addr { octet4 = (apply_mask oct4 Zero bit) }
+ | mask == TwentyThree = addr { octet3 = (apply_mask oct3 Seven bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == TwentyTwo = addr { octet3 = (apply_mask oct3 Six bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == TwentyOne = addr { octet3 = (apply_mask oct3 Five bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Twenty = addr { octet3 = (apply_mask oct3 Four bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Nineteen = addr { octet3 = (apply_mask oct3 Three bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Eighteen = addr { octet3 = (apply_mask oct3 Two bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Seventeen = addr { octet3 = (apply_mask oct3 One bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Sixteen = addr { octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Fifteen = addr { octet2 = (apply_mask oct2 Seven bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit) }
+ | mask == Fourteen = addr { octet2 = (apply_mask oct2 Six bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Thirteen = addr { octet2 = (apply_mask oct2 Five bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Twelve = addr { octet2 = (apply_mask oct2 Four bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Eleven = addr { octet2 = (apply_mask oct2 Three bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Ten = addr { octet2 = (apply_mask oct2 Two bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Nine = addr { octet2 = (apply_mask oct2 One bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Eight = addr { octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Seven = addr { octet1 = (apply_mask oct1 Seven bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Six = addr { octet1 = (apply_mask oct1 Six bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Five = addr { octet1 = (apply_mask oct1 Five bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Four = addr { octet1 = (apply_mask oct1 Four bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Three = addr { octet1 = (apply_mask oct1 Three bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Two = addr { octet1 = (apply_mask oct1 Two bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == One = addr { octet1 = (apply_mask oct1 One bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | mask == Zero = addr { octet1 = (apply_mask oct1 Zero bit),
+ octet2 = (apply_mask oct2 Zero bit),
+ octet3 = (apply_mask oct3 Zero bit),
+ octet4 = (apply_mask oct4 Zero bit)}
+ | otherwise = IPv4Address.None
+ where
+ oct1 = (octet1 addr)
+ oct2 = (octet2 addr)
+ oct3 = (octet3 addr)
+ oct4 = (octet4 addr)
+
+
+-- We don't export our constructor so this function is the only
+-- way to construct an address from octets. As a result, we can
+-- return IPv4Address.None in response to being passed one of more
+-- Octet.None octets.
+ipv4address_from_octets :: Octet -> Octet -> Octet -> Octet -> IPv4Address
+ipv4address_from_octets oct1 oct2 oct3 oct4
+ | or [oct1 == Octet.None,
+ oct2 == Octet.None,
+ oct3 == Octet.None,
+ oct4 == Octet.None] = IPv4Address.None
+ | otherwise = IPv4Address oct1 oct2 oct3 oct4
+
+
+-- The minimum possible IPv4 address, 0.0.0.0.
+min_address :: IPv4Address
+min_address = IPv4Address min_octet min_octet min_octet min_octet
+
+
+-- The maximum possible IPv4 address, 255.255.255.255.
+max_address :: IPv4Address
+max_address = IPv4Address max_octet max_octet max_octet max_octet
+
+
+-- Given two addresses, find the number of the most significant bit
+-- where they differ. If the addresses are the same, return
+-- Maskbits.Zero.
+most_sig_bit_different :: IPv4Address -> IPv4Address -> Maskbits
+most_sig_bit_different addr1 addr2
+ | addr1 == addr2 = Maskbits.Zero
+ | m1 /= n1 = Maskbits.One
+ | m2 /= n2 = Two
+ | m3 /= n3 = Three
+ | m4 /= n4 = Four
+ | m5 /= n5 = Five
+ | m6 /= n6 = Six
+ | m7 /= n7 = Seven
+ | m8 /= n8 = Eight
+ | m9 /= n9 = Nine
+ | m10 /= n10 = Ten
+ | m11 /= n11 = Eleven
+ | m12 /= n12 = Twelve
+ | m13 /= n13 = Thirteen
+ | m14 /= n14 = Fourteen
+ | m15 /= n15 = Fifteen
+ | m16 /= n16 = Sixteen
+ | m17 /= n17 = Seventeen
+ | m18 /= n18 = Eighteen
+ | m19 /= n19 = Nineteen
+ | m20 /= n20 = Twenty
+ | m21 /= n21 = TwentyOne
+ | m22 /= n22 = TwentyTwo
+ | m23 /= n23 = TwentyThree
+ | m24 /= n24 = TwentyFour
+ | m25 /= n25 = TwentyFive
+ | m26 /= n26 = TwentySix
+ | m27 /= n27 = TwentySeven
+ | m28 /= n28 = TwentyEight
+ | m29 /= n29 = TwentyNine
+ | m30 /= n30 = Thirty
+ | m31 /= n31 = ThirtyOne
+ | m32 /= n32 = ThirtyTwo
+ | otherwise = Maskbits.Zero
+ where
+ m1 = (b1 oct1a)
+ m2 = (b2 oct1a)
+ m3 = (b3 oct1a)
+ m4 = (b4 oct1a)
+ m5 = (b5 oct1a)
+ m6 = (b6 oct1a)
+ m7 = (b7 oct1a)
+ m8 = (b8 oct1a)
+ m9 = (b1 oct2a)
+ m10 = (b2 oct2a)
+ m11 = (b3 oct2a)
+ m12 = (b4 oct2a)
+ m13 = (b5 oct2a)
+ m14 = (b6 oct2a)
+ m15 = (b7 oct2a)
+ m16 = (b8 oct2a)
+ m17 = (b1 oct3a)
+ m18 = (b2 oct3a)
+ m19 = (b3 oct3a)
+ m20 = (b4 oct3a)
+ m21 = (b5 oct3a)
+ m22 = (b6 oct3a)
+ m23 = (b7 oct3a)
+ m24 = (b8 oct3a)
+ m25 = (b1 oct4a)
+ m26 = (b2 oct4a)
+ m27 = (b3 oct4a)
+ m28 = (b4 oct4a)
+ m29 = (b5 oct4a)
+ m30 = (b6 oct4a)
+ m31 = (b7 oct4a)
+ m32 = (b8 oct4a)
+ oct1a = (octet1 addr1)
+ oct2a = (octet2 addr1)
+ oct3a = (octet3 addr1)
+ oct4a = (octet4 addr1)
+ n1 = (b1 oct1b)
+ n2 = (b2 oct1b)
+ n3 = (b3 oct1b)
+ n4 = (b4 oct1b)
+ n5 = (b5 oct1b)
+ n6 = (b6 oct1b)
+ n7 = (b7 oct1b)
+ n8 = (b8 oct1b)
+ n9 = (b1 oct2b)
+ n10 = (b2 oct2b)
+ n11 = (b3 oct2b)
+ n12 = (b4 oct2b)
+ n13 = (b5 oct2b)
+ n14 = (b6 oct2b)
+ n15 = (b7 oct2b)
+ n16 = (b8 oct2b)
+ n17 = (b1 oct3b)
+ n18 = (b2 oct3b)
+ n19 = (b3 oct3b)
+ n20 = (b4 oct3b)
+ n21 = (b5 oct3b)
+ n22 = (b6 oct3b)
+ n23 = (b7 oct3b)
+ n24 = (b8 oct3b)
+ n25 = (b1 oct4b)
+ n26 = (b2 oct4b)
+ n27 = (b3 oct4b)
+ n28 = (b4 oct4b)
+ n29 = (b5 oct4b)
+ n30 = (b6 oct4b)
+ n31 = (b7 oct4b)
+ n32 = (b8 oct4b)
+ oct1b = (octet1 addr2)
+ oct2b = (octet2 addr2)
+ oct3b = (octet3 addr2)
+ oct4b = (octet4 addr2)
+
+
+
+-- HUnit Tests
+mk_testaddr :: Int -> Int -> Int -> Int -> IPv4Address
+mk_testaddr a b c d =
+ IPv4Address oct1 oct2 oct3 oct4
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)
+ oct1 = octet_from_int a
+ oct2 = octet_from_int b
+ oct3 = octet_from_int c
+ oct4 = octet_from_int d
+
+
+test_most_sig_bit_different1 :: Test
+test_most_sig_bit_different1 =
+ TestCase $ assertEqual "10.1.1.0 and 10.1.0.0 differ in bit 24" TwentyFour (most_sig_bit_different (mk_testaddr 10 1 1 0) (mk_testaddr 10 1 0 0))
+
+
+test_most_sig_bit_different2 :: Test
+test_most_sig_bit_different2 =
+ TestCase $ assertEqual "10.1.2.0 and 10.1.1.0 differ in bit 23" TwentyThree (most_sig_bit_different (mk_testaddr 10 1 2 0) (mk_testaddr 10 1 1 0))
+
+
+ipv4address_tests :: [Test]
+ipv4address_tests = [ test_most_sig_bit_different1,
+ test_most_sig_bit_different2 ]
projects / hath.git / blobdiff