opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/utils/NetUtilsTest.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.sal.utils;
  11
  12 import java.net.InetAddress;
  13 import java.net.UnknownHostException;
  14 import java.util.Arrays;
  15
  16 import org.junit.Assert;
  17 import org.junit.Test;
  18 import org.opendaylight.controller.sal.utils.NetUtils;
  19
  20 public class NetUtilsTest {
  21
  22     @Test
  23     public void testByteArrayMethods() {
  24         int ip = 8888;
  25         Assert.assertTrue(NetUtils
  26                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  27
  28         ip = 0xffffffff;
  29         Assert.assertTrue(NetUtils
  30                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  31
  32         ip = 0;
  33         Assert.assertTrue(NetUtils
  34                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  35
  36         ip = 0x1fffffff;
  37         Assert.assertTrue(NetUtils
  38                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  39
  40         ip = 0xfffffff;
  41         Assert.assertTrue(NetUtils
  42                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  43
  44         ip = 0xf000ffff;
  45         Assert.assertTrue(NetUtils
  46                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  47
  48         byte ba[] = { (byte) 0xf, (byte) 0xf, (byte) 0xf, (byte) 0xff };
  49         Assert.assertTrue(Arrays.equals(ba, NetUtils.intToByteArray4(NetUtils
  50                 .byteArray4ToInt(ba))));
  51
  52         byte ba1[] = { (byte) 255, (byte) 255, (byte) 255, (byte) 255 };
  53         Assert.assertTrue(Arrays.equals(ba1, NetUtils.intToByteArray4(NetUtils
  54                 .byteArray4ToInt(ba1))));
  55
  56         byte ba2[] = { (byte) 255, (byte) 0, (byte) 0, (byte) 0 };
  57         Assert.assertTrue(Arrays.equals(ba2, NetUtils.intToByteArray4(NetUtils
  58                 .byteArray4ToInt(ba2))));
  59
  60         byte ba3[] = { (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
  61         Assert.assertTrue(Arrays.equals(ba3, NetUtils.intToByteArray4(NetUtils
  62                 .byteArray4ToInt(ba3))));
  63
  64         byte ba4[] = { (byte) 255, (byte) 128, (byte) 0, (byte) 0 };
  65         Assert.assertTrue(Arrays.equals(ba4, NetUtils.intToByteArray4(NetUtils
  66                 .byteArray4ToInt(ba4))));
  67     }
  68
  69     @Test
  70     public void testInetMethods() throws UnknownHostException {
  71         int ip = 0xfffffff0;
  72         InetAddress inet = InetAddress.getByName("255.255.255.240");
  73         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  74
  75         ip = 0;
  76         inet = InetAddress.getByName("0.0.0.0");
  77         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  78
  79         ip = 0x9ffff09;
  80         inet = InetAddress.getByName("9.255.255.9");
  81         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  82     }
  83
  84     @Test
  85     public void testMasksV4() throws UnknownHostException {
  86
  87         InetAddress mask = InetAddress.getByName("128.0.0.0");
  88         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(1, false)));
  89
  90         mask = InetAddress.getByName("192.0.0.0");
  91         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(2, false)));
  92
  93         mask = InetAddress.getByName("224.0.0.0");
  94         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(3, false)));
  95
  96         mask = InetAddress.getByName("240.0.0.0");
  97         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(4, false)));
  98
  99         mask = InetAddress.getByName("248.0.0.0");
 100         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(5, false)));
 101
 102         mask = InetAddress.getByName("252.0.0.0");
 103         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(6, false)));
 104
 105         mask = InetAddress.getByName("254.0.0.0");
 106         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(7, false)));
 107
 108         mask = InetAddress.getByName("255.0.0.0");
 109         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(8, false)));
 110
 111         mask = InetAddress.getByName("255.128.0.0");
 112         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(9, false)));
 113
 114         mask = InetAddress.getByName("255.192.0.0");
 115         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(10, false)));
 116
 117         mask = InetAddress.getByName("255.224.0.0");
 118         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(11, false)));
 119
 120         mask = InetAddress.getByName("255.240.0.0");
 121         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(12, false)));
 122
 123         mask = InetAddress.getByName("255.248.0.0");
 124         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(13, false)));
 125
 126         mask = InetAddress.getByName("255.252.0.0");
 127         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(14, false)));
 128
 129         mask = InetAddress.getByName("255.254.0.0");
 130         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(15, false)));
 131
 132         mask = InetAddress.getByName("255.255.0.0");
 133         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(16, false)));
 134
 135         mask = InetAddress.getByName("255.255.128.0");
 136         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(17, false)));
 137
 138         mask = InetAddress.getByName("255.255.192.0");
 139         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(18, false)));
 140
 141         mask = InetAddress.getByName("255.255.224.0");
 142         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(19, false)));
 143
 144         mask = InetAddress.getByName("255.255.240.0");
 145         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(20, false)));
 146
 147         mask = InetAddress.getByName("255.255.248.0");
 148         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(21, false)));
 149
 150         mask = InetAddress.getByName("255.255.252.0");
 151         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(22, false)));
 152
 153         mask = InetAddress.getByName("255.255.254.0");
 154         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(23, false)));
 155
 156         mask = InetAddress.getByName("255.255.255.0");
 157         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(24, false)));
 158
 159         mask = InetAddress.getByName("255.255.255.128");
 160         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(25, false)));
 161
 162         mask = InetAddress.getByName("255.255.255.192");
 163         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(26, false)));
 164
 165         mask = InetAddress.getByName("255.255.255.224");
 166         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(27, false)));
 167
 168         mask = InetAddress.getByName("255.255.255.240");
 169         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(28, false)));
 170
 171         mask = InetAddress.getByName("255.255.255.248");
 172         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(29, false)));
 173
 174         mask = InetAddress.getByName("255.255.255.252");
 175         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(30, false)));
 176
 177         mask = InetAddress.getByName("255.255.255.254");
 178         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(31, false)));
 179
 180         mask = InetAddress.getByName("255.255.255.255");
 181         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(32, false)));
 182     }
 183
 184     @Test
 185     public void testMasksV6() throws UnknownHostException {
 186
 187         InetAddress mask = InetAddress.getByName("ff00::0");
 188         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(8, true)));
 189
 190         mask = InetAddress.getByName("8000::0");
 191         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(1, true)));
 192
 193         mask = InetAddress.getByName("f800::0");
 194         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(5, true)));
 195
 196         mask = InetAddress.getByName("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe");
 197         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(127, true)));
 198     }
 199
 200     @Test
 201     public void testGetSubnetLen() {
 202
 203         byte address[] = { (byte) 128, (byte) 0, (byte) 0, 0 };
 204         Assert.assertTrue(NetUtils.getSubnetMaskLength(address) == 31);
 205
 206         byte address1[] = { (byte) 255, 0, 0, 0 };
 207         Assert.assertTrue(NetUtils.getSubnetMaskLength(address1) == 24);
 208
 209         byte address2[] = { (byte) 255, (byte) 255, (byte) 248, 0 };
 210         Assert.assertTrue(NetUtils.getSubnetMaskLength(address2) == 11);
 211
 212         byte address4[] = { (byte) 255, (byte) 255, (byte) 255, (byte) 254 };
 213         Assert.assertTrue(NetUtils.getSubnetMaskLength(address4) == 1);
 214     }
 215
 216     @Test
 217     public void testGetSubnetPrefix() throws UnknownHostException {
 218         InetAddress ip = InetAddress.getByName("192.128.64.252");
 219         int maskLen = 25;
 220         Assert.assertTrue(NetUtils.getSubnetPrefix(ip, maskLen).equals(
 221                 InetAddress.getByName("192.128.64.128")));
 222     }
 223
 224     @Test
 225     public void testIsIPv6Valid() throws UnknownHostException {
 226         Assert.assertTrue(NetUtils
 227                 .isIPv6AddressValid("fe80:0000:0000:0000:0204:61ff:fe9d:f156")); //normal ipv6
 228         Assert.assertTrue(NetUtils
 229                 .isIPv6AddressValid("fe80:0:0:0:204:61ff:fe9d:f156")); //no leading zeroes
 230         Assert.assertTrue(NetUtils
 231                 .isIPv6AddressValid("fe80::204:61ff:fe9d:f156")); //zeroes to ::
 232         Assert
 233                 .assertTrue(NetUtils
 234                         .isIPv6AddressValid("fe80:0000:0000:0000:0204:61ff:254.157.241.86")); // ipv4 ending
 235         Assert.assertTrue(NetUtils
 236                 .isIPv6AddressValid("fe80:0:0:0:0204:61ff:254.157.241.86")); // no leading zeroes, ipv4 end
 237         Assert.assertTrue(NetUtils
 238                 .isIPv6AddressValid("fe80::204:61ff:254.157.241.86")); // zeroes ::, no leading zeroes
 239
 240         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001::")); //link-local prefix
 241         Assert.assertTrue(NetUtils.isIPv6AddressValid("::1")); //localhost
 242         Assert.assertTrue(NetUtils.isIPv6AddressValid("fe80::")); //global-unicast
 243         Assert.assertFalse(NetUtils.isIPv6AddressValid("abcd")); //not valid
 244         Assert.assertFalse(NetUtils.isIPv6AddressValid("1")); //not valid
 245         Assert.assertFalse(NetUtils
 246                 .isIPv6AddressValid("fe80:0:0:0:204:61ff:fe9d")); //not valid, too short
 247         Assert.assertFalse(NetUtils
 248                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d")); //not valid
 249         Assert.assertFalse(NetUtils.isIPv6AddressValid("192.168.1.1")); //not valid,ipv4
 250         Assert
 251                 .assertFalse(NetUtils
 252                         .isIPv6AddressValid("2001:0000:1234:0000:10001:C1C0:ABCD:0876")); //not valid, extra number
 253         Assert
 254                 .assertFalse(NetUtils
 255                         .isIPv6AddressValid("20010:0000:1234:0000:10001:C1C0:ABCD:0876")); //not valid, extra number
 256
 257         Assert
 258                 .assertTrue(NetUtils
 259                         .isIPv6AddressValid("2001:0DB8:0000:CD30:0000:0000:0000:0000/60")); //full with mask
 260         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001:0DB8:0:CD30::/64")); //shortened with mask
 261         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001:0DB8:0:CD30::/0")); //0 subnet with mask
 262         Assert.assertTrue(NetUtils.isIPv6AddressValid("::1/128")); //localhost 128 mask
 263
 264         Assert.assertFalse(NetUtils.isIPv6AddressValid("124.15.6.89/60")); //invalid, ip with mask
 265         Assert
 266                 .assertFalse(NetUtils
 267                         .isIPv6AddressValid("2001:0DB8:0000:CD30:0000:0000:0000:0000/130")); //invalid, mask >128
 268         Assert
 269                 .assertFalse(NetUtils
 270                         .isIPv6AddressValid("2001:0DB8:0:CD30::/-5")); //invalid, mask < 0
 271         Assert.assertFalse(NetUtils
 272                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d/64")); //not valid ip, valid netmask
 273         Assert.assertFalse(NetUtils
 274                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d/-1")); //not valid both
 275
 276     }
 277 }