2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.util;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertTrue;
15 import static org.junit.Assert.fail;
17 import com.google.common.collect.Lists;
18 import com.google.common.net.InetAddresses;
19 import io.netty.buffer.ByteBuf;
20 import io.netty.buffer.Unpooled;
21 import java.net.InetSocketAddress;
22 import java.net.UnknownHostException;
23 import java.util.List;
24 import org.junit.Assert;
25 import org.junit.Test;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
33 import org.opendaylight.yangtools.yang.common.Uint16;
35 public class IPAddressesAndPrefixesTest {
39 assertEquals("123.123.123.123", new Ipv4Address("123.123.123.123").getValue());
40 assertEquals("2001::1", new Ipv6Address("2001::1").getValue());
44 public void test4() throws UnknownHostException {
45 assertNotNull(new IpPrefix(new Ipv4Prefix("123.123.123.123/32")).getIpv4Prefix());
46 assertNotNull(new IpPrefix(new Ipv6Prefix("2001::1/120")).getIpv6Prefix());
51 assertEquals("123.123.123.123/24", new Ipv4Prefix("123.123.123.123/24").getValue());
52 assertEquals("2001::1/120", new Ipv6Prefix("2001::1/120").getValue());
56 public void testPrefix4ForBytes() {
57 byte[] bytes = new byte[]{123, 122, 4, 5};
58 assertEquals(new Ipv4Prefix("123.122.4.5/8"), Ipv4Util.prefixForBytes(bytes, 8));
59 assertArrayEquals(new byte[]{102, 0, 0, 0, 8}, Ipv4Util.bytesForPrefix(new Ipv4Prefix("102.0.0.0/8")));
61 bytes = new byte[]{(byte) 255, (byte) 255, 0, 0};
62 assertEquals(new Ipv4Prefix("255.255.0.0/16"), Ipv4Util.prefixForBytes(bytes, 16));
64 assertArrayEquals(new byte[]{(byte) 255, (byte) 255, 0, 0, 16},
65 Ipv4Util.bytesForPrefix(new Ipv4Prefix("255.255.0.0/16")));
68 Ipv4Util.prefixForBytes(bytes, 200);
70 } catch (final IllegalArgumentException exc) {
71 assertNull(exc.getMessage());
76 public void testBytesForPrefix4Begin() {
77 byte[] bytes = new byte[]{123, 122, 4, 5};
78 assertEquals(new Ipv4Prefix("123.122.4.5/8"), Ipv4Util.prefixForBytes(bytes, 8));
80 bytes = new byte[]{(byte) 255, (byte) 255, 0, 0};
81 assertEquals(new Ipv4Prefix("255.255.0.0/16"), Ipv4Util.prefixForBytes(bytes, 16));
83 bytes = new byte[]{(byte) 0, (byte) 0, (byte) 0, (byte) 0};
84 assertEquals(new Ipv4Prefix("0.0.0.0/0"), Ipv4Util.prefixForBytes(bytes, 0));
88 public void testPrefixForByteBuf() {
89 final ByteBuf bb = Unpooled.wrappedBuffer(new byte[]{
91 0x40, 0x20, (byte) 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
94 (byte) 0x80, 0x20, 0x01, 0x48, 0x60, 0x48, 0x60, 0x00, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
95 (byte) 0x88, (byte) 0x89
97 assertEquals(new Ipv4Prefix("123.122.0.0/14"), Ipv4Util.prefixForByteBuf(bb));
98 assertEquals(new Ipv6Prefix("2001::/64"), Ipv6Util.prefixForByteBuf(bb));
99 assertEquals(new Ipv4Prefix("0.0.0.0/0"), Ipv4Util.prefixForByteBuf(bb));
100 assertEquals(new Ipv6Prefix("::/0"), Ipv6Util.prefixForByteBuf(bb));
101 // test prefix length 128, as its signed byte value is -128
102 assertEquals(new Ipv6Prefix("2001:4860:4860:1:20::8889/128"), Ipv6Util.prefixForByteBuf(bb));
106 public void testAddressForByteBuf() {
107 final ByteBuf bb = Unpooled.wrappedBuffer(new byte[]{123, 122, 4, 5, 0x20, (byte) 0x01, 0x00, 0x00, 0x00,
108 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
109 assertEquals(new Ipv4Address("123.122.4.5"), Ipv4Util.addressForByteBuf(bb));
110 assertEquals(new Ipv6Address("2001::1"), Ipv6Util.addressForByteBuf(bb));
114 public void testByteBufForAddress() {
115 final ByteBuf bb4 = Unpooled.wrappedBuffer(new byte[]{123, 122, 4, 5});
116 final ByteBuf bb6 = Unpooled.wrappedBuffer(new byte[]{0x20, (byte) 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
117 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
118 assertEquals(bb4, Ipv4Util.byteBufForAddress(new Ipv4Address("123.122.4.5")));
119 assertEquals(bb6, Ipv6Util.byteBufForAddress(new Ipv6Address("2001::1")));
123 public void testBytesForAddress() {
124 assertArrayEquals(new byte[]{12, 58, (byte) 201, 99},
125 Ipv4Util.bytesForAddress(new Ipv4Address("12.58.201.99")));
126 assertArrayEquals(new byte[]{0x20, (byte) 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
127 0x00, 0x00, 0x00, 0x01}, Ipv6Util.bytesForAddress(new Ipv6Address("2001::1")));
131 public void testPrefix6ForBytes() {
132 final byte[] bytes = new byte[]{0x20, 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x02};
133 assertEquals(new Ipv6Prefix("2001:db8:1:2::/64"), Ipv6Util.prefixForBytes(bytes, 64));
134 assertArrayEquals(new byte[]{0x20, (byte) 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00,
135 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40},
136 Ipv6Util.bytesForPrefix(new Ipv6Prefix("2001:db8:1:2::/64")));
137 assertArrayEquals(new byte[]{0x20, (byte) 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00,
138 0x00, 0x00, 0x00, 0x00, 0x00, (byte) 0x80},
139 Ipv6Util.bytesForPrefix(new Ipv6Prefix("2001:db8:1:2::/128")));
142 Ipv6Util.prefixForBytes(bytes, 200);
144 } catch (final IllegalArgumentException exc) {
145 assertNull(exc.getMessage());
150 public void testBytesForPrefix6Begin() {
151 byte[] bytes = new byte[]{0x20, 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x02};
152 assertEquals(new Ipv6Prefix("2001:db8:1:2::/64"), Ipv6Util.prefixForBytes(bytes, 64));
154 bytes = new byte[]{(byte) 0};
155 assertEquals(new Ipv6Prefix("::/0"), Ipv6Util.prefixForBytes(bytes, 0));
159 public void testPrefixLength() {
160 assertEquals(8, Ipv4Util.getPrefixLengthBytes("2001:db8:1:2::/64"));
161 assertEquals(3, Ipv4Util.getPrefixLengthBytes("172.168.3.0/22"));
165 public void testPrefixList4ForBytes() {
166 final byte[] bytes = new byte[]{22, (byte) 172, (byte) 168, 3, 8, 12, 32, (byte) 192, (byte) 168, 35, 100};
167 List<Ipv4Prefix> prefs = Ipv4Util.prefixListForBytes(bytes);
169 Lists.newArrayList(new Ipv4Prefix("172.168.3.0/22"), new Ipv4Prefix("12.0.0.0/8"),
170 new Ipv4Prefix("192.168.35.100/32")), prefs);
172 prefs = Ipv4Util.prefixListForBytes(new byte[]{});
173 assertTrue(prefs.isEmpty());
177 public void testPrefixList6ForBytes() {
178 final byte[] bytes = new byte[]{0x40, 0x20, 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x02, 0x40, 0x20,
179 0x01, 0x0d, (byte) 0xb8, 0x00, 0x01, 0x00, 0x01,};
180 List<Ipv6Prefix> prefs = Ipv6Util.prefixListForBytes(bytes);
181 assertEquals(prefs, Lists.newArrayList(new Ipv6Prefix("2001:db8:1:2::/64"),
182 new Ipv6Prefix("2001:db8:1:1::/64")));
184 prefs = Ipv6Util.prefixListForBytes(new byte[]{});
185 assertTrue(prefs.isEmpty());
189 public void testFullFormOfIpv6() {
190 assertEquals(new Ipv6Address("0:0:0:0:0:0:0:1"), Ipv6Util.getFullForm(new Ipv6Address("::1")));
194 public void testInetAddressToIpAddress() {
195 final IpAddress ipAddress = Ipv4Util.getIpAddress(InetAddresses.forString("123.42.13.8"));
196 Assert.assertNotNull(ipAddress.getIpv4Address());
197 Assert.assertEquals(new Ipv4Address("123.42.13.8"), ipAddress.getIpv4Address());
199 final IpAddress ipAddress2 = Ipv4Util.getIpAddress(InetAddresses.forString("2001:db8:1:2::"));
200 Assert.assertNotNull(ipAddress2.getIpv6Address());
201 Assert.assertEquals(new Ipv6Address("2001:db8:1:2::"), ipAddress2.getIpv6Address());
205 public void testToInetSocketAddress() {
206 final InetSocketAddress isa = Ipv4Util.toInetSocketAddress(new IpAddress(new Ipv4Address("123.42.13.8")),
207 new PortNumber(Uint16.TEN));
208 Assert.assertEquals(10, isa.getPort());
209 Assert.assertEquals("123.42.13.8", InetAddresses.toAddrString(isa.getAddress()));
211 final InetSocketAddress isa2 = Ipv4Util.toInetSocketAddress(new IpAddress(new Ipv6Address("2001:db8:1:2::")),
212 new PortNumber(Uint16.TEN));
213 Assert.assertEquals(10, isa2.getPort());
214 Assert.assertEquals("2001:db8:1:2::", InetAddresses.toAddrString(isa2.getAddress()));