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.bgp.parser.impl;
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;
15 import com.google.common.collect.Lists;
16 import io.netty.buffer.ByteBuf;
17 import io.netty.buffer.Unpooled;
18 import java.io.ByteArrayOutputStream;
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.util.ArrayList;
22 import java.util.Collections;
23 import java.util.List;
24 import org.junit.BeforeClass;
25 import org.junit.Test;
26 import org.opendaylight.protocol.bgp.parser.impl.message.BGPUpdateMessageParser;
27 import org.opendaylight.protocol.bgp.parser.impl.message.update.CommunityUtil;
28 import org.opendaylight.protocol.bgp.parser.spi.MessageUtil;
29 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
30 import org.opendaylight.protocol.util.ByteArray;
31 import org.opendaylight.protocol.util.NoopReferenceCache;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Aggregator;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AggregatorBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AsPathBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AtomicAggregateBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.ClusterIdBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Communities;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.ExtendedCommunities;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.ExtendedCommunitiesBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.LocalPrefBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.MultiExitDiscBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.OriginBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.OriginatorIdBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.as.path.Segments;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.as.path.SegmentsBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.Nlri;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.NlriBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributes;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.WithdrawnRoutesBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1Builder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.destination.type.DestinationIpv6CaseBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.destination.type.destination.ipv6._case.DestinationIpv6Builder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.AListCaseBuilder;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.ASetCaseBuilder;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.AListBuilder;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.a.list.AsSequence;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.a.list.AsSequenceBuilder;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.set._case.ASetBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.extended.community.extended.community.Inet4SpecificExtendedCommunityCaseBuilder;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.extended.community.extended.community.inet4.specific.extended.community._case.Inet4SpecificExtendedCommunityBuilder;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv6.next.hop._case.Ipv6NextHopBuilder;
86 public class BGPParserTest {
89 * Used by other tests as well
91 static final List<byte[]> inputBytes = new ArrayList<byte[]>();
93 private static int COUNTER = 7;
95 private static int MAX_SIZE = 300;
97 private static BGPUpdateMessageParser updateParser;
99 private static final int LENGTH_FIELD_LENGTH = 2;
102 public static void setUp() throws Exception {
103 updateParser = new BGPUpdateMessageParser(ServiceLoaderBGPExtensionProviderContext.getSingletonInstance().getAttributeRegistry());
104 for (int i = 1; i <= COUNTER; i++) {
105 final String name = "/up" + i + ".bin";
106 try (final InputStream is = BGPParserTest.class.getResourceAsStream(name)){
108 throw new IOException("Failed to get resource " + name);
110 final ByteArrayOutputStream bis = new ByteArrayOutputStream();
111 final byte[] data = new byte[MAX_SIZE];
113 while ((nRead = is.read(data, 0, data.length)) != -1) {
114 bis.write(data, 0, nRead);
118 inputBytes.add(bis.toByteArray());
126 public void testResource() {
127 assertNotNull(inputBytes);
131 * Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI
133 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
134 * 00 54 <- length (84) - including header
136 * 00 00 <- withdrawn routes length
137 * 00 31 <- total path attribute length (49)
138 * 40 <- attribute flags
139 * 01 <- attribute type code (origin)
140 * 01 <- attribute length
141 * 00 <- Origin value (IGP)
142 * 40 <- attribute flags
143 * 02 <- attribute type code (as path)
144 * 06 <- attribute length
146 * 01 <- path segment count
147 * 00 00 fd ea <- path segment value (65002)
148 * 40 <- attribute flags
149 * 03 <- attribute type code (Next Hop)
150 * 04 <- attribute length
151 * 10 00 00 02 <- value (10.0.0.2)
152 * 80 <- attribute flags
153 * 04 <- attribute type code (multi exit disc)
154 * 04 <- attribute length
155 * 00 00 00 00 <- value
156 * 60 <- attribute flags
157 * 06 <- attribute type code (atomic aggregate)
158 * 00 <- attribute length
159 * 40 <- attribute flags
160 * 08 <- attribute type code (community)
161 * 10 <- attribute length FF FF FF
162 * 01 <- value (NO_EXPORT)
163 * FF FF FF 02 <- value (NO_ADVERTISE)
164 * FF FF FF 03 <- value (NO_EXPORT_SUBCONFED)
165 * FF FF FF 10 <- unknown Community
168 * 18 ac 11 02 <- IPv4 Prefix (172.17.2.0 / 24)
169 * 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
170 * 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
173 public void testGetUpdateMessage1() throws Exception {
175 final byte[] body = ByteArray.cutBytes(inputBytes.get(0), MessageUtil.COMMON_HEADER_LENGTH);
176 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
177 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
181 assertNull(message.getWithdrawnRoutes());
185 final List<AsSequence> asnums = Lists.newArrayList(new AsSequenceBuilder().setAs(new AsNumber(65002L)).build());
186 final List<Segments> asPath = Lists.newArrayList();
187 asPath.add(new SegmentsBuilder().setCSegment(
188 new AListCaseBuilder().setAList(new AListBuilder().setAsSequence(asnums).build()).build()).build());
190 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
191 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.2")).build()).build();
193 final List<Communities> comms = Lists.newArrayList();
194 comms.add((Communities) CommunityUtil.NO_EXPORT);
195 comms.add((Communities) CommunityUtil.NO_ADVERTISE);
196 comms.add((Communities) CommunityUtil.NO_EXPORT_SUBCONFED);
197 comms.add((Communities) CommunityUtil.create(NoopReferenceCache.getInstance(), 0xFFFF, 0xFF10));
199 final UpdateBuilder builder = new UpdateBuilder();
203 final List<Ipv4Prefix> prefs = Lists.newArrayList();
204 prefs.add(new Ipv4Prefix("172.17.2.0/24"));
205 prefs.add(new Ipv4Prefix("172.17.1.0/24"));
206 prefs.add(new Ipv4Prefix("172.17.0.0/24"));
208 final Nlri nlri = new NlriBuilder().setNlri(prefs).build();
210 assertEquals(nlri, message.getNlri());
212 builder.setNlri(nlri);
214 // check path attributes
216 final PathAttributes attrs = message.getPathAttributes();
218 final PathAttributesBuilder paBuilder = new PathAttributesBuilder();
220 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
221 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
223 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
224 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
226 paBuilder.setCNextHop(nextHop);
227 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
229 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
230 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
232 paBuilder.setAtomicAggregate(new AtomicAggregateBuilder().build());
233 assertEquals(paBuilder.getAtomicAggregate(), attrs.getAtomicAggregate());
235 paBuilder.setCommunities(comms);
236 assertEquals(paBuilder.getCommunities(), attrs.getCommunities());
238 builder.setPathAttributes(paBuilder.build());
240 assertEquals(builder.build(), message);
242 final ByteBuf buffer = Unpooled.buffer();
243 BGPParserTest.updateParser.serializeMessage(message, buffer);
244 assertArrayEquals(inputBytes.get(0), ByteArray.readAllBytes(buffer));
248 * Tests IPv6 NEXT_HOP, NLRI, ORIGIN.IGP, MULTI_EXIT_DISC, ORIGINATOR-ID, CLUSTER_LIST.
250 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
251 * 00 80 <- length (128) - including header
253 * 00 00 <- withdrawn routes length
254 * 00 69 <- total path attribute length (105)
255 * 40 <- attribute flags
256 * 01 <- attribute type code (origin)
257 * 01 <- attribute length
258 * 00 <- Origin value (IGP)
259 * 40 <- attribute flags
260 * 02 <- attribute type code (as path)
261 * 06 <- attribute length
263 * 01 <- path segment count
264 * 00 00 fd e9 <- path segment value (65001)
265 * 40 <- attribute flags
266 * 03 <- attribute type code (next hop)
267 * 04 <- attribute length
268 * 0a 00 00 00 <- next hop value (10.0.0.0)
269 * 80 <- attribute flags
270 * 04 <- attribute type code (multi exit disc)
271 * 04 <- attribute length
272 * 00 00 00 00 <- value
273 * 80 <- attribute flags
274 * 09 <- attribute type code (originator id)
275 * 04 <- attribute length
276 * 7f 00 00 01 <- value (localhost ip)
277 * 80 <- attribute flags
278 * 0a <- attribute type code (cluster list)
279 * 08 <- attribute length
280 * 01 02 03 04 <- value
281 * 05 06 07 08 <- value
282 * 80 <- attribute flags
283 * 0e <- attribute type code (mp reach nlri)
284 * 40 <- attribute length
285 * 00 02 <- AFI (Ipv6)
286 * 01 <- SAFI (Unicast)
287 * 20 <- length of next hop
288 * 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01 <- global
289 * fe 80 00 00 00 00 00 00 c0 01 0b ff fe 7e 00 <- link local
293 * 40 20 01 0d b8 00 01 00 02 <- IPv6 Prefix (2001:db8:1:2:: / 64)
294 * 40 20 01 0d b8 00 01 00 01 <- IPv6 Prefix (2001:db8:1:1:: / 64)
295 * 40 20 01 0d b8 00 01 00 00 <- IPv6 Prefix (2001:db8:1:: / 64)
299 public void testGetUpdateMessage2() throws Exception {
300 final byte[] body = ByteArray.cutBytes(inputBytes.get(1), MessageUtil.COMMON_HEADER_LENGTH);
301 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(1), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
302 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
305 assertNull(message.getWithdrawnRoutes());
307 final UpdateBuilder builder = new UpdateBuilder();
311 final List<Ipv6Prefix> prefs = Lists.newArrayList();
312 prefs.add(new Ipv6Prefix("2001:db8:1:2::/64"));
313 prefs.add(new Ipv6Prefix("2001:db8:1:1::/64"));
314 prefs.add(new Ipv6Prefix("2001:db8:1::/64"));
316 assertNull(message.getNlri());
320 final List<AsSequence> asnums = Lists.newArrayList(new AsSequenceBuilder().setAs(new AsNumber(65001L)).build());
321 final List<Segments> asPath = Lists.newArrayList();
322 asPath.add(new SegmentsBuilder().setCSegment(
323 new AListCaseBuilder().setAList(new AListBuilder().setAsSequence(asnums).build()).build()).build());
325 final Ipv6NextHopCase nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(
326 new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
328 final List<ClusterIdentifier> clusters = Lists.newArrayList(new ClusterIdentifier(new Ipv4Address("1.2.3.4")),
329 new ClusterIdentifier(new Ipv4Address("5.6.7.8")));
331 // check path attributes
333 final PathAttributes attrs = message.getPathAttributes();
335 final PathAttributesBuilder paBuilder = new PathAttributesBuilder();
337 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
338 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
340 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
341 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
343 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
344 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
346 paBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address("127.0.0.1")).build());
347 assertEquals(paBuilder.getOriginatorId(), attrs.getOriginatorId());
349 paBuilder.setClusterId(new ClusterIdBuilder().setCluster(clusters).build());
350 assertEquals(paBuilder.getClusterId(), attrs.getClusterId());
352 final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
353 mpBuilder.setAfi(Ipv6AddressFamily.class);
354 mpBuilder.setSafi(UnicastSubsequentAddressFamily.class);
355 mpBuilder.setCNextHop(nextHop);
356 mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
357 new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(prefs).build()).build()).build());
359 paBuilder.addAugmentation(PathAttributes1.class, new PathAttributes1Builder().setMpReachNlri(mpBuilder.build()).build());
360 assertEquals(paBuilder.getAugmentation(PathAttributes1.class).getMpReachNlri(),
361 attrs.getAugmentation(PathAttributes1.class).getMpReachNlri());
365 builder.setPathAttributes(paBuilder.build());
366 assertEquals(builder.build(), message);
368 final ByteBuf buffer = Unpooled.buffer();
369 BGPParserTest.updateParser.serializeMessage(message, buffer);
370 assertArrayEquals(inputBytes.get(1), ByteArray.readAllBytes(buffer));
374 * Tests more AS Numbers in AS_PATH, AGGREGATOR, ORIGIN.INCOMPLETE
376 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
377 * 00 4b <- length (75) - including header
379 * 00 00 <- withdrawn routes length
380 * 00 30 <- total path attribute length (48)
381 * 40 <- attribute flags
382 * 01 <- attribute type code (origin)
383 * 01 <- attribute length
384 * 02 <- Origin value (Incomplete)
385 * 40 <- attribute flags
386 * 02 <- attribute type code (as path)
387 * 10 <- attribute length
389 * 01 <- path segment count
390 * 00 00 00 1e <- path segment value (30)
392 * 02 <- path segment count
393 * 00 00 00 0a <- path segment value (10)
394 * 00 00 00 14 <- path segment value (20)
395 * 40 <- attribute flags
396 * 03 <- attribute type (Next hop)
397 * 04 <- attribute length
398 * 0a 00 00 09 <- value (10.0.0.9)
399 * 80 <- attribute flags
400 * 04 <- attribute type code (multi exit disc)
401 * 04 <- attribute length
402 * 00 00 00 00 <- value
403 * c0 <- attribute flags
404 * 07 <- attribute type (Aggregator)
405 * 08 <- attribute length
406 * 00 00 00 1e <- value (AS number = 30)
407 * 0a 00 00 09 <- value (IP address = 10.0.0.9)
410 * 15 ac 10 00 <- IPv4 Prefix (172.16.0.0 / 21)
413 public void testGetUpdateMessage3() throws Exception {
414 final byte[] body = ByteArray.cutBytes(inputBytes.get(2), MessageUtil.COMMON_HEADER_LENGTH);
415 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
416 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
418 final UpdateBuilder builder = new UpdateBuilder();
421 final Ipv4Prefix pref1 = new Ipv4Prefix("172.16.0.0/21");
423 final List<Ipv4Prefix> nlri = Lists.newArrayList(pref1);
424 builder.setNlri(new NlriBuilder().setNlri(nlri).build());
425 assertEquals(builder.getNlri(), message.getNlri());
428 assertNull(message.getWithdrawnRoutes());
431 final List<AsSequence> asnums = Lists.newArrayList(new AsSequenceBuilder().setAs(new AsNumber(30L)).build());
432 final List<Segments> asPath = Lists.newArrayList();
433 asPath.add(new SegmentsBuilder().setCSegment(
434 new AListCaseBuilder().setAList(new AListBuilder().setAsSequence(asnums).build()).build()).build());
435 asPath.add(new SegmentsBuilder().setCSegment(
436 new ASetCaseBuilder().setASet(new ASetBuilder().setAsSet(Lists.newArrayList(new AsNumber(10L), new AsNumber(20L))).build()).build()).build());
438 final Aggregator aggregator = new AggregatorBuilder().setAsNumber(new AsNumber((long) 30)).setNetworkAddress(
439 new Ipv4Address("10.0.0.9")).build();
440 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
441 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.9")).build()).build();
443 // check path attributes
444 final PathAttributes attrs = message.getPathAttributes();
446 final PathAttributesBuilder paBuilder = new PathAttributesBuilder();
448 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).build());
449 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
451 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
452 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
454 paBuilder.setCNextHop(nextHop);
455 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
457 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
458 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
460 paBuilder.setAggregator(aggregator);
461 assertEquals(paBuilder.getAggregator(), attrs.getAggregator());
463 builder.setPathAttributes(paBuilder.build());
465 assertEquals(builder.build(), message);
467 final ByteBuf buffer = Unpooled.buffer();
468 BGPParserTest.updateParser.serializeMessage(message, buffer);
469 assertArrayEquals(inputBytes.get(2), ByteArray.readAllBytes(buffer));
473 * Tests empty AS_PATH, ORIGIN.EGP, LOCAL_PREF, EXTENDED_COMMUNITIES (Ipv4 Addr specific)
475 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
476 * 00 4A <- length (73) - including header
478 * 00 00 <- withdrawn routes length
479 * 00 27 <- total path attribute length (39)
480 * 40 <- attribute flags
481 * 01 <- attribute type code (Origin)
482 * 01 <- attribute length
483 * 01 <- Origin value (EGP)
484 * 40 <- attribute flags
485 * 02 <- attribute type code (As path)
486 * 00 <- attribute length
487 * 40 <- attribute flags
488 * 03 <- attribute type (Next hop)
489 * 04 <- attribute length
490 * 03 03 03 03 <- value (3.3.3.3)
491 * 80 <- attribute flags
492 * 04 <- attribute type code (Multi exit disc)
493 * 04 <- attribute length
494 * 00 00 00 00 <- value
495 * 40 <- attribute flags
496 * 05 <- attribute type (Local Pref)
497 * 04 <- attribute length
498 * 00 00 00 64 <- value (100)
499 * c0 <- attribute flags
500 * 10 <- attribute type (extended community)
501 * 08 <- attribute length
502 * 01 04 <- value (type - Ipv4 Address Specific Extended Community)
503 * c0 a8 01 00 <- value (global adm. 198.162.1.0)
504 * 12 34 <- value (local adm. 4660)
507 * 18 0a 1e 03 <- IPv4 Prefix (10.30.3.0 / 24)
508 * 18 0a 1e 02 <- IPv4 Prefix (10.30.2.0 / 24)
509 * 18 0a 1e 01 <- IPv4 Prefix (10.30.1.0 / 24)
512 public void testGetUpdateMessage4() throws Exception {
513 final byte[] body = ByteArray.cutBytes(inputBytes.get(3), MessageUtil.COMMON_HEADER_LENGTH);
514 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(3), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
515 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
517 final UpdateBuilder builder = new UpdateBuilder();
520 assertNull(message.getWithdrawnRoutes());
523 final Ipv4Prefix pref1 = new Ipv4Prefix("10.30.3.0/24");
524 final Ipv4Prefix pref2 = new Ipv4Prefix("10.30.2.0/24");
525 final Ipv4Prefix pref3 = new Ipv4Prefix("10.30.1.0/24");
527 final List<Ipv4Prefix> nlri = Lists.newArrayList(pref1, pref2, pref3);
528 builder.setNlri(new NlriBuilder().setNlri(nlri).build());
529 assertEquals(builder.getNlri(), message.getNlri());
532 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
533 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("3.3.3.3")).build()).build();
535 final List<ExtendedCommunities> comms = Lists.newArrayList();
536 comms.add(new ExtendedCommunitiesBuilder().setCommType((short) 1).setCommSubType((short) 4).setExtendedCommunity(
537 new Inet4SpecificExtendedCommunityCaseBuilder().setInet4SpecificExtendedCommunity(
538 new Inet4SpecificExtendedCommunityBuilder().setTransitive(false).setGlobalAdministrator(
539 new Ipv4Address("192.168.1.0")).setLocalAdministrator(new byte[] { 0x12, 0x34 }).build()).build()).build());
541 // check path attributes
542 final PathAttributes attrs = message.getPathAttributes();
544 final PathAttributesBuilder paBuilder = new PathAttributesBuilder();
546 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
547 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
549 paBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.<Segments> emptyList()).build());
550 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
552 paBuilder.setCNextHop(nextHop);
553 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
555 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
556 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
558 paBuilder.setLocalPref(new LocalPrefBuilder().setPref(100L).build());
559 assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
561 paBuilder.setExtendedCommunities(comms);
562 assertEquals(paBuilder.getExtendedCommunities(), attrs.getExtendedCommunities());
565 builder.setPathAttributes(paBuilder.build());
566 assertEquals(builder.build(), message);
568 final ByteBuf buffer = Unpooled.buffer();
569 BGPParserTest.updateParser.serializeMessage(message, buffer);
570 assertArrayEquals(inputBytes.get(3), ByteArray.readAllBytes(buffer));
574 * Tests withdrawn routes.
576 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
577 * 00 1c <- length (28) - including header
579 * 00 05 <- withdrawn routes length (5)
580 * 1e ac 10 00 04 <- route (172.16.0.4)
581 * 00 00 <- total path attribute length
584 public void testGetUpdateMessage5() throws Exception {
585 final byte[] body = ByteArray.cutBytes(inputBytes.get(4), MessageUtil.COMMON_HEADER_LENGTH);
586 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(4), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
587 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
590 final List<Ipv4Prefix> prefs = Lists.newArrayList(new Ipv4Prefix("172.16.0.4/30"));
593 final Update expectedMessage = new UpdateBuilder().setWithdrawnRoutes(
594 new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build()).build();
596 assertEquals(expectedMessage.getWithdrawnRoutes(), message.getWithdrawnRoutes());
598 final ByteBuf buffer = Unpooled.buffer();
599 BGPParserTest.updateParser.serializeMessage(message, buffer);
600 assertArrayEquals(inputBytes.get(4), ByteArray.readAllBytes(buffer));
604 * End of Rib for Ipv4.
606 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
607 * 00 17 <- length (23) - including header
609 * 00 00 <- withdrawn routes length
610 * 00 00 <- total path attribute length
613 public void testEORIpv4() throws Exception {
614 final byte[] body = ByteArray.cutBytes(inputBytes.get(5), MessageUtil.COMMON_HEADER_LENGTH);
615 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(5), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
616 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
618 assertEquals(new UpdateBuilder().build(), message);
620 final ByteBuf buffer = Unpooled.buffer();
621 BGPParserTest.updateParser.serializeMessage(message, buffer);
622 assertArrayEquals(inputBytes.get(5), ByteArray.readAllBytes(buffer));
626 * End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
628 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
629 * 00 1d <- length (29) - including header
631 * 00 00 <- withdrawn routes length
632 * 00 06 <- total path attribute length
633 * 80 <- attribute flags
634 * 0f <- attribute type (15 - MP_UNREACH_NLRI)
635 * 03 <- attribute length
636 * 00 02 <- value (AFI 2: IPv6)
637 * 01 <- value (SAFI 1)
640 public void testEORIpv6() throws Exception {
641 final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
642 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
643 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
645 final Class<? extends AddressFamily> afi = message.getPathAttributes().getAugmentation(PathAttributes2.class).getMpUnreachNlri().getAfi();
646 final Class<? extends SubsequentAddressFamily> safi = message.getPathAttributes().getAugmentation(PathAttributes2.class).getMpUnreachNlri().getSafi();
648 assertEquals(Ipv6AddressFamily.class, afi);
649 assertEquals(UnicastSubsequentAddressFamily.class, safi);
651 final ByteBuf buffer = Unpooled.buffer();
652 BGPParserTest.updateParser.serializeMessage(message, buffer);
653 assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));
657 * End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
659 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
660 * 00 1e <- length (29) - including header
662 * 00 00 <- withdrawn routes length
663 * 00 07 <- total path attribute length
664 * 90 <- attribute flags
665 * 0f <- attribute type (15 - MP_UNREACH_NLRI)
666 * 00 03 <- attribute length
667 * 00 02 <- value (AFI 2: IPv6)
668 * 01 <- value (SAFI 1)
671 public void testEORIpv6exLength() throws Exception {
672 final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
673 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
674 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
676 final Class<? extends AddressFamily> afi = message.getPathAttributes().getAugmentation(PathAttributes2.class).getMpUnreachNlri().getAfi();
677 final Class<? extends SubsequentAddressFamily> safi = message.getPathAttributes().getAugmentation(PathAttributes2.class).getMpUnreachNlri().getSafi();
679 assertEquals(Ipv6AddressFamily.class, afi);
680 assertEquals(UnicastSubsequentAddressFamily.class, safi);
682 final ByteBuf buffer = Unpooled.buffer();
683 BGPParserTest.updateParser.serializeMessage(message, buffer);
684 assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));