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.RangeTlvParser;
23 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrLinkAttributesParser;
24 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrNodeAttributesParser;
25 import org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrPrefixAttributesParser;
26 import org.opendaylight.protocol.util.ByteArray;
27 import org.opendaylight.protocol.util.Ipv6Util;
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.Ipv6Address;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrAdjId;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrAdjIdBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrLanAdjId;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.link.state.SrLanAdjIdBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrAlgorithm;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrAlgorithmBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrCapabilities;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.state.SrCapabilitiesBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrPrefix;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrPrefixBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrRange;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.prefix.state.SrRangeBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.Algorithm;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.Weight;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.BindingSubTlvs;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.BindingSubTlvsBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.EroMetricCaseBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv4EroBackupCaseBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv4EroCaseBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroBackupCaseBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroCaseBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.PrefixSidCaseBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.SidLabelCaseBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.UnnumberedInterfaceIdBackupEroCaseBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.UnnumberedInterfaceIdEroCaseBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.BindingSidTlvCaseBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.PrefixSidTlvCaseBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.SidLabelTlvCaseBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.tlv.SubTlvs;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.tlv.SubTlvsBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.Ipv6AddressCaseBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.LocalLabelCaseBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.SidCaseBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.IsoSystemIdentifier;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.MplsLabel;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.TeMetric;
67 public class SrAttributeParserTest {
69 private static final byte[] IPV6_A_BYTES = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
70 private static final Ipv6Address IPV6_A = new Ipv6Address("2001:db8::1");
71 private static final byte[] IPV6_B_BYTES = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
72 private static final Ipv6Address IPV6_B = new Ipv6Address("2001:db8::2");
75 public void testSrAlgorithm() {
76 final byte[] bytes = { 0 };
77 final SrAlgorithm alg = new SrAlgorithmBuilder().setAlgorithms(Lists.newArrayList(Algorithm.ShortestPathFirst)).build();
78 final SrAlgorithm empty = new SrAlgorithmBuilder().setAlgorithms(Collections.<Algorithm>emptyList()).build();
79 assertEquals(alg, SrNodeAttributesParser.parseSrAlgorithms(Unpooled.wrappedBuffer(bytes)));
80 final ByteBuf b = Unpooled.buffer();
81 assertEquals(empty, SrNodeAttributesParser.parseSrAlgorithms(b));
82 SrNodeAttributesParser.serializeSrAlgorithms(alg, b);
83 assertArrayEquals(bytes, ByteArray.readAllBytes(b));
85 SrNodeAttributesParser.serializeSrAlgorithms(empty, b);
86 assertEquals(0, b.readableBytes());
89 // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.1.1
91 public void testSrCapabilities() {
92 final byte[] bytes = { (byte)0xC0, 0, 0, 0, 10, 4, (byte)0x89, 0, 4, 1, 2, 3, 4 };
93 final SrCapabilities caps = new SrCapabilitiesBuilder().setMplsIpv4(Boolean.TRUE).setMplsIpv6(Boolean.TRUE).setSrIpv6(Boolean.FALSE).setSidLabelIndex(new SidCaseBuilder().setSid(16909060L).build()).setRangeSize((long) 10).build();
94 assertEquals(caps, SrNodeAttributesParser.parseSrCapabilities(Unpooled.wrappedBuffer(bytes)));
95 final ByteBuf b = Unpooled.buffer();
96 SrNodeAttributesParser.serializeSrCapabilities(caps, b);
97 assertArrayEquals(bytes, ByteArray.readAllBytes(b));
100 // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.3.1
102 public void testSrPrefix() {
103 final byte[] bytes = { (byte)0xFC, 0, 0, 0, 1, 2, 3, 4 };
104 final SrPrefix prefix = new SrPrefixBuilder()
105 .setFlags(new byte[] {(byte)0xfc})
106 .setAlgorithm(Algorithm.ShortestPathFirst).setSidLabelIndex(new SidCaseBuilder().setSid(16909060L).build()).build();
107 assertEquals(prefix, SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes)));
108 final ByteBuf serializedPrefix = Unpooled.buffer();
109 SrPrefixAttributesParser.serializeSrPrefix(prefix, serializedPrefix);
110 assertArrayEquals(bytes, ByteArray.readAllBytes(serializedPrefix));
113 // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.3.2
115 public void testRangeTlv() {
116 final byte[] tested = {
118 4, (byte)0x89, 0, 4, 1, 2, 3, 4, // sid
119 4, (byte)0x86, 0, 7, 0, 1, 0, 0, 1, 2, 0, // prefix
120 4, (byte)0x88, 0, 0x58, 5, 0, 0, 0, // binding sid
122 4, (byte)0x86, 0, 8, 0, 1, 0, 0, 1, 2, 3, 4, // prefix
123 4, (byte)0x89, 0, 4, 1, 2, 3, 4, // sid
124 4, (byte)0x8a, 0, 4, 0, 0, 0, 6, // ero metric
125 4, (byte)0x8b, 0, 8, 0, 0, 0, 0, 9, 8, 7, 6, // IPv4 ERO
126 4, (byte)0x8d, 0, 0x0c, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, // Unnumbered Interface ID ERO Sub-TLV
127 4, (byte)0x8e, 0, 8, 0, 0, 0, 0, 3, 4, 5, 6, // IPv4 ERO backup
128 4, (byte)0x90, 0, 0x0c, 0, 0, 0, 0, 3, 3, 3, 3, 4, 4, 4, 4, // Unnumbered Interface ID ERO Sub-TLV Backup
130 final SrRange parsedRange = RangeTlvParser.parseSrRange(Unpooled.wrappedBuffer(tested));
132 final List<SubTlvs> rangeSubTlvs = new ArrayList<SubTlvs>();
133 addSubTlvs(rangeSubTlvs);
134 final SrRange expected = new SrRangeBuilder().setInterArea(Boolean.FALSE).setRangeSize(5).setSubTlvs(rangeSubTlvs).build();
136 assertEquals(expected, parsedRange);
138 final ByteBuf serializedRange = Unpooled.buffer();
139 RangeTlvParser.serializeSrRange(parsedRange, serializedRange);
140 assertArrayEquals(tested, ByteArray.getAllBytes(serializedRange));
143 private void addSubTlvs(final List<SubTlvs> rangeSubTlvs) {
144 rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
145 new SidLabelTlvCaseBuilder()
146 .setSidLabelIndex(new SidCaseBuilder().setSid(16909060L).build()).build()).build());
147 rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
148 new PrefixSidTlvCaseBuilder()
149 .setFlags(new byte[] {0})
150 .setAlgorithm(Algorithm.StrictShortestPathFirst)
151 .setSidLabelIndex(new LocalLabelCaseBuilder().setLocalLabel(new MplsLabel(4128L)).build()).build()).build());
152 final List<BindingSubTlvs> bindingSubTlvs = new ArrayList<BindingSubTlvs>();
153 addBindingSubTlvs(bindingSubTlvs);
154 rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
155 new BindingSidTlvCaseBuilder()
156 .setWeight(new Weight((short) 5))
157 .setFlags(new byte[] {0})
158 .setBindingSubTlvs(bindingSubTlvs).build()).build());
161 private void addBindingSubTlvs(final List<BindingSubTlvs> bindingSubTlvs) {
162 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
163 new PrefixSidCaseBuilder()
164 .setFlags(new byte[] {0})
165 .setAlgorithm(Algorithm.StrictShortestPathFirst)
166 .setSidLabelIndex(new SidCaseBuilder().setSid(16909060L).build())
168 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
169 new SidLabelCaseBuilder().setSidLabelIndex(new SidCaseBuilder().setSid(16909060L).build()).build()).build());
170 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
171 new EroMetricCaseBuilder().setEroMetric(new TeMetric(6L)).build()).build());
172 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
173 new Ipv4EroCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv4Address("9.8.7.6")).build()).build());
174 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
175 new UnnumberedInterfaceIdEroCaseBuilder().setLoose(Boolean.FALSE).setRouterId(16843009L).setInterfaceId(33686018L).build()).build());
176 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
177 new Ipv4EroBackupCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv4Address("3.4.5.6")).build()).build());
178 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
179 new UnnumberedInterfaceIdBackupEroCaseBuilder().setLoose(Boolean.FALSE).setRouterId(50529027L).setInterfaceId(67372036L).build()).build());
183 public void testRangeTlvIpv6() {
184 final byte[] tested = Bytes.concat(
187 4, (byte)0x88, 0, 0x34, 5, 0, 0, 0, // binding sid
189 4, (byte)0x8c, 0, 0x14, 0, 0, 0, 0 }, IPV6_A_BYTES, // IPv6 ERO
190 new byte[] { 4, (byte)0x8f, 0, 0x14, 0, 0, 0, 0 }, IPV6_B_BYTES // IPv6 ERO backup
192 final SrRange parsedRange = RangeTlvParser.parseSrRange(Unpooled.wrappedBuffer(tested));
194 final List<SubTlvs> rangeSubTlvs = new ArrayList<SubTlvs>();
195 final List<BindingSubTlvs> bindingSubTlvs = new ArrayList<BindingSubTlvs>();
196 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
197 new Ipv6EroCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv6Address(IPV6_A)).build()).build());
198 bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
199 new Ipv6EroBackupCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv6Address(IPV6_B)).build()).build());
200 rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
201 new BindingSidTlvCaseBuilder()
202 .setWeight(new Weight((short) 5))
203 .setFlags(new byte[] {0})
204 .setBindingSubTlvs(bindingSubTlvs).build()).build());
205 final SrRange expected = new SrRangeBuilder().setInterArea(Boolean.FALSE).setRangeSize(5).setSubTlvs(rangeSubTlvs).build();
207 assertEquals(expected, parsedRange);
209 final ByteBuf serializedRange = Unpooled.buffer();
210 RangeTlvParser.serializeSrRange(parsedRange, serializedRange);
211 assertArrayEquals(tested, ByteArray.getAllBytes(serializedRange));
214 // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.2.1
216 public void testSrAdjId() {
217 final byte[] tested = { (byte)-80, 10, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
218 final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
219 final SrAdjId srAdjId = new SrAdjIdBuilder()
220 .setFlags(new byte[] { (byte)-80 })
221 .setWeight(new Weight((short) 10))
222 .setSidLabelIndex(new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(Unpooled.copiedBuffer(sidLabel))).build()).build();
223 final ByteBuf serializedData = SrLinkAttributesParser.serializeAdjacencySegmentIdentifier(srAdjId);
224 assertEquals(srAdjId, new SrAdjIdBuilder(SrLinkAttributesParser.parseAdjacencySegmentIdentifier(Unpooled.wrappedBuffer(tested))).build());
225 assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
229 public void testSrLanAdjId() {
230 final byte[] tested = { (byte)-80, 10, 0, 0, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
231 final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
232 final byte[] systemId = { 1, 2, 3, 4, 5, 6 };
233 final SrLanAdjId srLanAdjId = new SrLanAdjIdBuilder()
234 .setFlags(new byte[] { (byte) -80 })
235 .setWeight(new Weight((short)10))
236 .setIsoSystemId(new IsoSystemIdentifier(systemId))
237 .setSidLabelIndex(new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(Unpooled.copiedBuffer(sidLabel))).build()).build();
238 final ByteBuf serializedData = SrLinkAttributesParser.serializeLanAdjacencySegmentIdentifier(srLanAdjId);
239 assertEquals(srLanAdjId, SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(Unpooled.wrappedBuffer(tested)));
240 assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
243 @Test(expected=UnsupportedOperationException.class)
244 public void testSrLinkAttributesPrivateConstructor() throws Throwable {
245 final Constructor<SrLinkAttributesParser> c = SrLinkAttributesParser.class.getDeclaredConstructor();
246 c.setAccessible(true);
249 } catch (final InvocationTargetException e) {
254 @Test(expected=UnsupportedOperationException.class)
255 public void testSrNodeAttributesPrivateConstructor() throws Throwable {
256 final Constructor<SrNodeAttributesParser> c = SrNodeAttributesParser.class.getDeclaredConstructor();
257 c.setAccessible(true);
260 } catch (final InvocationTargetException e) {
265 @Test(expected=UnsupportedOperationException.class)
266 public void testSrPrefixAttributesPrivateConstructor() throws Throwable {
267 final Constructor<SrPrefixAttributesParser> c = SrPrefixAttributesParser.class.getDeclaredConstructor();
268 c.setAccessible(true);
271 } catch (final InvocationTargetException e) {