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
  19 public class NetUtilsTest {
  20
  21     @Test
  22     public void testByteArrayMethods() {
  23         int ip = 8888;
  24         Assert.assertTrue(NetUtils
  25                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  26
  27         ip = 0xffffffff;
  28         Assert.assertTrue(NetUtils
  29                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  30
  31         ip = 0;
  32         Assert.assertTrue(NetUtils
  33                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  34
  35         ip = 0x1fffffff;
  36         Assert.assertTrue(NetUtils
  37                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  38
  39         ip = 0xfffffff;
  40         Assert.assertTrue(NetUtils
  41                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  42
  43         ip = 0xf000ffff;
  44         Assert.assertTrue(NetUtils
  45                 .byteArray4ToInt(NetUtils.intToByteArray4(ip)) == ip);
  46
  47         byte ba[] = { (byte) 0xf, (byte) 0xf, (byte) 0xf, (byte) 0xff };
  48         Assert.assertTrue(Arrays.equals(ba, NetUtils.intToByteArray4(NetUtils
  49                 .byteArray4ToInt(ba))));
  50
  51         byte ba1[] = { (byte) 255, (byte) 255, (byte) 255, (byte) 255 };
  52         Assert.assertTrue(Arrays.equals(ba1, NetUtils.intToByteArray4(NetUtils
  53                 .byteArray4ToInt(ba1))));
  54
  55         byte ba2[] = { (byte) 255, (byte) 0, (byte) 0, (byte) 0 };
  56         Assert.assertTrue(Arrays.equals(ba2, NetUtils.intToByteArray4(NetUtils
  57                 .byteArray4ToInt(ba2))));
  58
  59         byte ba3[] = { (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
  60         Assert.assertTrue(Arrays.equals(ba3, NetUtils.intToByteArray4(NetUtils
  61                 .byteArray4ToInt(ba3))));
  62
  63         byte ba4[] = { (byte) 255, (byte) 128, (byte) 0, (byte) 0 };
  64         Assert.assertTrue(Arrays.equals(ba4, NetUtils.intToByteArray4(NetUtils
  65                 .byteArray4ToInt(ba4))));
  66     }
  67
  68     @Test
  69     public void testInetMethods() throws UnknownHostException {
  70         int ip = 0xfffffff0;
  71         InetAddress inet = InetAddress.getByName("255.255.255.240");
  72         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  73
  74         ip = 0;
  75         inet = InetAddress.getByName("0.0.0.0");
  76         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  77
  78         ip = 0x9ffff09;
  79         inet = InetAddress.getByName("9.255.255.9");
  80         Assert.assertTrue(inet.equals(NetUtils.getInetAddress(ip)));
  81     }
  82
  83     @Test
  84     public void testMasksV4() throws UnknownHostException {
  85
  86         InetAddress mask = InetAddress.getByName("128.0.0.0");
  87         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(1, false)));
  88
  89         mask = InetAddress.getByName("192.0.0.0");
  90         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(2, false)));
  91
  92         mask = InetAddress.getByName("224.0.0.0");
  93         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(3, false)));
  94
  95         mask = InetAddress.getByName("240.0.0.0");
  96         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(4, false)));
  97
  98         mask = InetAddress.getByName("248.0.0.0");
  99         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(5, false)));
 100
 101         mask = InetAddress.getByName("252.0.0.0");
 102         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(6, false)));
 103
 104         mask = InetAddress.getByName("254.0.0.0");
 105         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(7, false)));
 106
 107         mask = InetAddress.getByName("255.0.0.0");
 108         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(8, false)));
 109
 110         mask = InetAddress.getByName("255.128.0.0");
 111         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(9, false)));
 112
 113         mask = InetAddress.getByName("255.192.0.0");
 114         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(10, false)));
 115
 116         mask = InetAddress.getByName("255.224.0.0");
 117         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(11, false)));
 118
 119         mask = InetAddress.getByName("255.240.0.0");
 120         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(12, false)));
 121
 122         mask = InetAddress.getByName("255.248.0.0");
 123         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(13, false)));
 124
 125         mask = InetAddress.getByName("255.252.0.0");
 126         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(14, false)));
 127
 128         mask = InetAddress.getByName("255.254.0.0");
 129         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(15, false)));
 130
 131         mask = InetAddress.getByName("255.255.0.0");
 132         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(16, false)));
 133
 134         mask = InetAddress.getByName("255.255.128.0");
 135         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(17, false)));
 136
 137         mask = InetAddress.getByName("255.255.192.0");
 138         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(18, false)));
 139
 140         mask = InetAddress.getByName("255.255.224.0");
 141         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(19, false)));
 142
 143         mask = InetAddress.getByName("255.255.240.0");
 144         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(20, false)));
 145
 146         mask = InetAddress.getByName("255.255.248.0");
 147         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(21, false)));
 148
 149         mask = InetAddress.getByName("255.255.252.0");
 150         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(22, false)));
 151
 152         mask = InetAddress.getByName("255.255.254.0");
 153         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(23, false)));
 154
 155         mask = InetAddress.getByName("255.255.255.0");
 156         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(24, false)));
 157
 158         mask = InetAddress.getByName("255.255.255.128");
 159         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(25, false)));
 160
 161         mask = InetAddress.getByName("255.255.255.192");
 162         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(26, false)));
 163
 164         mask = InetAddress.getByName("255.255.255.224");
 165         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(27, false)));
 166
 167         mask = InetAddress.getByName("255.255.255.240");
 168         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(28, false)));
 169
 170         mask = InetAddress.getByName("255.255.255.248");
 171         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(29, false)));
 172
 173         mask = InetAddress.getByName("255.255.255.252");
 174         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(30, false)));
 175
 176         mask = InetAddress.getByName("255.255.255.254");
 177         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(31, false)));
 178
 179         mask = InetAddress.getByName("255.255.255.255");
 180         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(32, false)));
 181     }
 182
 183     @Test
 184     public void testMasksV6() throws UnknownHostException {
 185
 186         InetAddress mask = InetAddress.getByName("ff00::0");
 187         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(8, true)));
 188
 189         mask = InetAddress.getByName("8000::0");
 190         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(1, true)));
 191
 192         mask = InetAddress.getByName("f800::0");
 193         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(5, true)));
 194
 195         mask = InetAddress.getByName("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe");
 196         Assert.assertTrue(mask.equals(NetUtils.getInetNetworkMask(127, true)));
 197     }
 198
 199     @Test
 200     public void testGetSubnetLen() {
 201
 202         byte address[] = { (byte) 128, (byte) 0, (byte) 0, 0 };
 203         Assert.assertTrue(NetUtils.getSubnetMaskLength(address) == 31);
 204
 205         byte address1[] = { (byte) 255, 0, 0, 0 };
 206         Assert.assertTrue(NetUtils.getSubnetMaskLength(address1) == 24);
 207
 208         byte address2[] = { (byte) 255, (byte) 255, (byte) 248, 0 };
 209         Assert.assertTrue(NetUtils.getSubnetMaskLength(address2) == 11);
 210
 211         byte address4[] = { (byte) 255, (byte) 255, (byte) 255, (byte) 254 };
 212         Assert.assertTrue(NetUtils.getSubnetMaskLength(address4) == 1);
 213     }
 214
 215     @Test
 216     public void testGetSubnetPrefix() throws UnknownHostException {
 217         InetAddress ip = InetAddress.getByName("192.128.64.252");
 218         int maskLen = 25;
 219         Assert.assertTrue(NetUtils.getSubnetPrefix(ip, maskLen).equals(
 220                 InetAddress.getByName("192.128.64.128")));
 221     }
 222
 223     @Test
 224     public void testIsIPv6Valid() throws UnknownHostException {
 225         Assert.assertTrue(NetUtils
 226                 .isIPv6AddressValid("fe80:0000:0000:0000:0204:61ff:fe9d:f156")); //normal ipv6
 227         Assert.assertTrue(NetUtils
 228                 .isIPv6AddressValid("fe80:0:0:0:204:61ff:fe9d:f156")); //no leading zeroes
 229         Assert.assertTrue(NetUtils
 230                 .isIPv6AddressValid("fe80::204:61ff:fe9d:f156")); //zeroes to ::
 231         Assert
 232                 .assertTrue(NetUtils
 233                         .isIPv6AddressValid("fe80:0000:0000:0000:0204:61ff:254.157.241.86")); // ipv4 ending
 234         Assert.assertTrue(NetUtils
 235                 .isIPv6AddressValid("fe80:0:0:0:0204:61ff:254.157.241.86")); // no leading zeroes, ipv4 end
 236         Assert.assertTrue(NetUtils
 237                 .isIPv6AddressValid("fe80::204:61ff:254.157.241.86")); // zeroes ::, no leading zeroes
 238
 239         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001::")); //link-local prefix
 240         Assert.assertTrue(NetUtils.isIPv6AddressValid("::1")); //localhost
 241         Assert.assertTrue(NetUtils.isIPv6AddressValid("fe80::")); //global-unicast
 242         Assert.assertFalse(NetUtils.isIPv6AddressValid("abcd")); //not valid
 243         Assert.assertFalse(NetUtils.isIPv6AddressValid("1")); //not valid
 244         Assert.assertFalse(NetUtils
 245                 .isIPv6AddressValid("fe80:0:0:0:204:61ff:fe9d")); //not valid, too short
 246         Assert.assertFalse(NetUtils
 247                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d")); //not valid
 248         Assert.assertFalse(NetUtils.isIPv6AddressValid("192.168.1.1")); //not valid,ipv4
 249         Assert
 250                 .assertFalse(NetUtils
 251                         .isIPv6AddressValid("2001:0000:1234:0000:10001:C1C0:ABCD:0876")); //not valid, extra number
 252         Assert
 253                 .assertFalse(NetUtils
 254                         .isIPv6AddressValid("20010:0000:1234:0000:10001:C1C0:ABCD:0876")); //not valid, extra number
 255
 256         Assert
 257                 .assertTrue(NetUtils
 258                         .isIPv6AddressValid("2001:0DB8:0000:CD30:0000:0000:0000:0000/60")); //full with mask
 259         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001:0DB8:0:CD30::/64")); //shortened with mask
 260         Assert.assertTrue(NetUtils.isIPv6AddressValid("2001:0DB8:0:CD30::/0")); //0 subnet with mask
 261         Assert.assertTrue(NetUtils.isIPv6AddressValid("::1/128")); //localhost 128 mask
 262
 263         Assert.assertFalse(NetUtils.isIPv6AddressValid("124.15.6.89/60")); //invalid, ip with mask
 264         Assert
 265                 .assertFalse(NetUtils
 266                         .isIPv6AddressValid("2001:0DB8:0000:CD30:0000:0000:0000:0000/130")); //invalid, mask >128
 267         Assert
 268                 .assertFalse(NetUtils
 269                         .isIPv6AddressValid("2001:0DB8:0:CD30::/-5")); //invalid, mask < 0
 270         Assert.assertFalse(NetUtils
 271                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d/64")); //not valid ip, valid netmask
 272         Assert.assertFalse(NetUtils
 273                 .isIPv6AddressValid("fe80:::0:0:0:204:61ff:fe9d/-1")); //not valid both
 274
 275     }
 276
 277     @Test
 278     public void testInetAddressConflict() throws UnknownHostException {
 279
 280         // test a ipv4 testAddress in the same subnet as the filter
 281         // the method should return false as there is no conflict
 282         Assert.assertFalse(NetUtils.inetAddressConflict(
 283                 InetAddress.getByName("9.9.1.1"),
 284                 InetAddress.getByName("9.9.1.0"), null,
 285                 InetAddress.getByName("255.255.255.0")));
 286
 287         // test a ipv4 testAddress not in the same subnet as the filter
 288         // the method should return true as there is a conflict
 289         Assert.assertTrue(NetUtils.inetAddressConflict(
 290                 InetAddress.getByName("9.9.2.1"),
 291                 InetAddress.getByName("9.9.1.0"), null,
 292                 InetAddress.getByName("255.255.255.0")));
 293
 294         // test a ipv4 testAddress more generic than the filter
 295         // the method should return true as there is a conflict
 296         Assert.assertTrue(NetUtils.inetAddressConflict(
 297                 InetAddress.getByName("9.9.1.1"),
 298                 InetAddress.getByName("9.9.1.0"),
 299                 InetAddress.getByName("255.255.0.0"),
 300                 InetAddress.getByName("255.255.255.0")));
 301
 302         // test a ipv4 testAddress less generic than the filter and in the same
 303         // subnet as the filter
 304         // the method should return false as there is no conflict
 305         Assert.assertFalse(NetUtils.inetAddressConflict(
 306                 InetAddress.getByName("9.9.1.0"),
 307                 InetAddress.getByName("9.9.0.0"),
 308                 InetAddress.getByName("255.255.255.0"),
 309                 InetAddress.getByName("255.255.0.0")));
 310
 311         // test a ipv4 testAddress less generic than the filter and not in the
 312         // same subnet as the filter
 313         // the method should return true as there is a conflict
 314         Assert.assertTrue(NetUtils.inetAddressConflict(
 315                 InetAddress.getByName("9.8.1.0"),
 316                 InetAddress.getByName("9.9.0.0"),
 317                 InetAddress.getByName("255.255.255.0"),
 318                 InetAddress.getByName("255.255.0.0")));
 319
 320     }
 321
 322     @Test
 323     public void testIPAddressValidity() {
 324         Assert.assertFalse(NetUtils.isIPAddressValid(null));
 325         Assert.assertFalse(NetUtils.isIPAddressValid("abc"));
 326         Assert.assertFalse(NetUtils.isIPAddressValid("1.1.1"));
 327         Assert.assertFalse(NetUtils.isIPAddressValid("1.1.1.1/49"));
 328
 329         Assert.assertTrue(NetUtils.isIPAddressValid("1.1.1.1"));
 330         Assert.assertTrue(NetUtils.isIPAddressValid("1.1.1.1/32"));
 331         Assert.assertTrue(NetUtils
 332                 .isIPAddressValid("2001:420:281:1004:407a:57f4:4d15:c355"));
 333     }
 334 }