2 * Copyright (c) 2015 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.bgp.linkstate;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import com.google.common.collect.Lists;
13 import com.google.common.primitives.Bytes;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import java.lang.reflect.Constructor;
17 import java.lang.reflect.InvocationTargetException;
18 import java.util.ArrayList;
19 import java.util.Collections;
20 import java.util.List;
21 import org.junit.Test;
22 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrLinkAttributesParser;
23 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrNodeAttributesParser;
24 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrPrefixAttributesParser;
25 import org.opendaylight.protocol.util.ByteArray;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrAdjId;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrAdjIdBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrLanAdjId;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrLanAdjIdBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrAlgorithm;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrAlgorithmBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrCapabilities;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrCapabilitiesBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrSidLabel;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrSidLabelBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrPrefix;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrPrefixBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.AdjacencyFlags;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.Algorithm;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.SidLabel;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.SidLabelBinding.SidLabelFlags;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.SrCapabilities.Flags;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.Weight;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.label.binding.SubTlvs;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.label.binding.SubTlvsBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.EroMetricCaseBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.Ipv4EroBackupCaseBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.Ipv4EroCaseBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.Ipv6EroBackupCaseBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.Ipv6EroCaseBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.SidLabelCaseBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.UnnumberedEroBackupCaseBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.sid.sub.tlvs.subtlv.type.UnnumberedEroCaseBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.IsoSystemIdentifier;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.TeMetric;
63 public class SrAttributeParserTest {
65 private static final byte[] ipv6aBytes = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
66 private static final Ipv6Address ipv6a = new Ipv6Address("2001:db8::1");
67 private static final byte[] ipv6bBytes = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
68 private static final Ipv6Address ipv6b = new Ipv6Address("2001:db8::2");
69 private static final byte[] fecIpv6Bytes = { 0x20, 1, 0, 0, 0, 0, 0, 1 };
70 private static final Ipv6Prefix fecIpv6 = new Ipv6Prefix("2001:0:0:1::/64");
74 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
75 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
76 | Type | Length | Flags | Weight |
77 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
78 | Range | Prefix Length | FEC Prefix |
79 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
80 // FEC Prefix (continued, variable) //
81 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
82 | SubTLVs (variable) |
83 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
85 tools.ietf.org/html/draft-ietf-isis-segment-routing-extensions-02#section-2.4
89 public void testSidLabelBindingv4() {
90 // expected bytes according to format above from Flags
91 final byte[] expectedBytes = { (byte)0xC0, 24,
96 3, 5, (byte)0x80, 10, 0, 0, 1,
97 6, 5, (byte)0x80, 10, 0, 0, 2,
98 5, 9, (byte)0x80, 1, 2, 3, 4, 0, 0, 1, (byte)0xF4};
100 final List<SubTlvs> subs = new ArrayList<>();
101 subs.add(new SubTlvsBuilder().setSubtlvType(new SidLabelCaseBuilder().setSid(new SidLabel(new byte[] {1,2,3,4})).build()).build());
102 subs.add(new SubTlvsBuilder().setSubtlvType(new EroMetricCaseBuilder().setEroMetric(new TeMetric((long) 8)).build()).build());
103 subs.add(new SubTlvsBuilder().setSubtlvType(new Ipv4EroCaseBuilder().setLoose(true).setAddress(new IpAddress(new Ipv4Address("10.0.0.1"))).build()).build());
104 subs.add(new SubTlvsBuilder().setSubtlvType(new Ipv4EroBackupCaseBuilder().setLoose(true).setAddress(new IpAddress(new Ipv4Address("10.0.0.2"))).build()).build());
105 subs.add(new SubTlvsBuilder().setSubtlvType(new UnnumberedEroCaseBuilder().setLoose(true).setRouterId(new byte[] {1,2,3,4}).setInterfaceId((long)500).build()).build());
106 final SrSidLabel srSidLabelToSerialize = new SrSidLabelBuilder().setSidLabelFlags(new SidLabelFlags(Boolean.TRUE, Boolean.TRUE))
107 .setWeight(new Weight((short) 24)).setFecPrefix(new IpPrefix(new Ipv4Prefix("127.0.0.0/32"))).setValueRange(42).setSubTlvs(subs).build();
109 final ByteBuf serializedSrSidLabel = Unpooled.buffer();
110 SrNodeAttributesParser.serializeSidLabelBinding(srSidLabelToSerialize, serializedSrSidLabel);
111 assertArrayEquals(expectedBytes, ByteArray.getAllBytes(serializedSrSidLabel));
113 final SrSidLabel parsedSrSidLabel = SrNodeAttributesParser.parseSidLabelBinding(serializedSrSidLabel);
114 assertEquals(srSidLabelToSerialize, parsedSrSidLabel);
118 public void testSidLabelBindingv6() {
119 // expected bytes according to format above from Flags
120 final byte[] expectedBytes = Bytes.concat(new byte[] {
123 (byte)(fecIpv6Bytes.length * Byte.SIZE) }, fecIpv6Bytes, new byte[] {
124 4, (byte)(ipv6aBytes.length+1), (byte)0x80}, ipv6aBytes, new byte[] {
125 7, (byte)(ipv6bBytes.length+1), (byte)0x80}, ipv6bBytes, new byte[] {
126 8, 21, (byte)0x80, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 , 0, 0, 1, (byte)0xF4}); // UnnumberedEro: type 5, length 20 for ipv6 1 + 8 + 8 + 3B
128 final List<SubTlvs> subs = new ArrayList<>();
129 subs.add(new SubTlvsBuilder().setSubtlvType(new Ipv6EroCaseBuilder().setLoose(true).setAddress(new IpAddress(ipv6a)).build()).build());
130 subs.add(new SubTlvsBuilder().setSubtlvType(new Ipv6EroBackupCaseBuilder().setLoose(true).setAddress(new IpAddress(ipv6b)).build()).build());
131 subs.add(new SubTlvsBuilder().setSubtlvType(new UnnumberedEroBackupCaseBuilder().setLoose(true).setRouterId(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}).setInterfaceId((long)500).build()).build());
132 final SrSidLabel srSidLabelToSerialize = new SrSidLabelBuilder().setSidLabelFlags(new SidLabelFlags(Boolean.TRUE, Boolean.TRUE))
133 .setWeight(new Weight((short) 24)).setFecPrefix(new IpPrefix(fecIpv6)).setValueRange(42).setSubTlvs(subs).build();
135 final ByteBuf serializedSrSidLabel = Unpooled.buffer();
136 SrNodeAttributesParser.serializeSidLabelBinding(srSidLabelToSerialize, serializedSrSidLabel);
137 assertArrayEquals(expectedBytes, ByteArray.getAllBytes(serializedSrSidLabel));
139 final SrSidLabel parsedSrSidLabel = SrNodeAttributesParser.parseSidLabelBinding(serializedSrSidLabel);
140 assertEquals(srSidLabelToSerialize, parsedSrSidLabel);
144 public void testSrAlgorithm() {
145 final byte[] bytes = { 0 };
146 final SrAlgorithm alg = new SrAlgorithmBuilder().setAlgorithm(Lists.newArrayList(Algorithm.ShortestPathFirst)).build();
147 final SrAlgorithm empty = new SrAlgorithmBuilder().setAlgorithm(Collections.<Algorithm>emptyList()).build();
148 assertEquals(alg, SrNodeAttributesParser.parseSrAlgorithms(Unpooled.wrappedBuffer(bytes)));
149 final ByteBuf b = Unpooled.buffer();
150 assertEquals(empty, SrNodeAttributesParser.parseSrAlgorithms(b));
151 SrNodeAttributesParser.serializeSrAlgorithms(alg, b);
152 assertArrayEquals(bytes, ByteArray.readAllBytes(b));
154 SrNodeAttributesParser.serializeSrAlgorithms(empty, b);
155 assertEquals(0, b.readableBytes());
159 public void testSrCapabilities() {
160 final byte[] bytes = { (byte)0xC0, 0, 0, 10, 1, 4, 1, 2, 3, 4 };
161 final SrCapabilities caps = new SrCapabilitiesBuilder().setFlags(new Flags(Boolean.TRUE, Boolean.TRUE)).setSid(new SidLabel(new byte[] {1,2,3,4})).setValueRange((long) 10).build();
162 assertEquals(caps, SrNodeAttributesParser.parseSrCapabilities(Unpooled.wrappedBuffer(bytes)));
163 final ByteBuf b = Unpooled.buffer();
164 SrNodeAttributesParser.serializeSrCapabilities(caps, b);
165 assertArrayEquals(bytes, ByteArray.readAllBytes(b));
169 public void testSrPrefix() {
170 final byte[] bytes = { (byte)0xFC, 0, 1, 2, 3, 4 };
171 final SrPrefix p = new SrPrefixBuilder()
172 .setFlags(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.rev150206.PrefixSid.Flags(true, true, true, true, true, true))
173 .setAlgorithm(Algorithm.ShortestPathFirst).setSid(new SidLabel(new byte[] {1, 2, 3, 4})).build();
174 assertEquals(p, SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes)));
175 final ByteBuf b = Unpooled.buffer();
176 SrPrefixAttributesParser.serializeSrPrefix(p, b);
177 assertArrayEquals(bytes, ByteArray.readAllBytes(b));
181 public void testSrAdjId() {
182 final byte[] tested = { (byte)-80, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
183 final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
184 final SrAdjId srAdjId = new SrAdjIdBuilder().setFlags(new AdjacencyFlags(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)).setWeight(new Weight((short) 10)).setSid(new SidLabel(sidLabel)).build();
185 final ByteBuf serializedData = SrLinkAttributesParser.serializeAdjacencySegmentIdentifier(srAdjId);
186 assertEquals(srAdjId, SrLinkAttributesParser.parseAdjacencySegmentIdentifier(Unpooled.wrappedBuffer(tested)));
187 assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
191 public void testSrLanAdjId() {
192 final byte[] tested = { (byte)-80, 10, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
193 final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
194 final byte[] systemId = { 1, 2, 3, 4, 5, 6 };
195 final SrLanAdjId srLanAdjId = new SrLanAdjIdBuilder().setFlags(new AdjacencyFlags(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)).setWeight(new Weight((short)10)).setIsoSystemId(new IsoSystemIdentifier(systemId)).setSid(new SidLabel(sidLabel)).build();
196 final ByteBuf serializedData = SrLinkAttributesParser.serializeLanAdjacencySegmentIdentifier(srLanAdjId);
197 assertEquals(srLanAdjId, SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(Unpooled.wrappedBuffer(tested)));
198 assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
201 @Test(expected=UnsupportedOperationException.class)
202 public void testSrLinkAttributesPrivateConstructor() throws Throwable {
203 final Constructor<SrLinkAttributesParser> c = SrLinkAttributesParser.class.getDeclaredConstructor();
204 c.setAccessible(true);
207 } catch (final InvocationTargetException e) {
212 @Test(expected=UnsupportedOperationException.class)
213 public void testSrNodeAttributesPrivateConstructor() throws Throwable {
214 final Constructor<SrNodeAttributesParser> c = SrNodeAttributesParser.class.getDeclaredConstructor();
215 c.setAccessible(true);
218 } catch (final InvocationTargetException e) {
223 @Test(expected=UnsupportedOperationException.class)
224 public void testSrPrefixAttributesPrivateConstructor() throws Throwable {
225 final Constructor<SrPrefixAttributesParser> c = SrPrefixAttributesParser.class.getDeclaredConstructor();
226 c.setAccessible(true);
229 } catch (final InvocationTargetException e) {