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;
14 import com.google.common.collect.Lists;
15 import io.netty.buffer.ByteBuf;
16 import io.netty.buffer.Unpooled;
17 import java.io.ByteArrayOutputStream;
18 import java.io.IOException;
19 import java.io.InputStream;
20 import java.util.ArrayList;
21 import java.util.Collections;
22 import java.util.List;
23 import org.junit.BeforeClass;
24 import org.junit.Test;
25 import org.opendaylight.protocol.bgp.parser.impl.message.BGPUpdateMessageParser;
26 import org.opendaylight.protocol.bgp.parser.impl.message.update.CommunityUtil;
27 import org.opendaylight.protocol.bgp.parser.spi.MessageUtil;
28 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
29 import org.opendaylight.protocol.util.ByteArray;
30 import org.opendaylight.protocol.util.NoopReferenceCache;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6Builder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6Prefixes;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv6CaseBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Aggregator;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AggregatorBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AtomicAggregateBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.ClusterIdBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Communities;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.ExtendedCommunities;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.ExtendedCommunitiesBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.MultiExitDiscBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginatorIdBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.UnrecognizedAttributes;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.Segments;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.SegmentsBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.Nlri;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.extended.community.extended.community.Inet4SpecificExtendedCommunityCaseBuilder;
74 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;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
79 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;
80 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;
82 public class BGPParserTest {
85 * Used by other tests as well
87 static final List<byte[]> inputBytes = new ArrayList<byte[]>();
89 private static int COUNTER = 7;
91 private static int MAX_SIZE = 300;
93 private static BGPUpdateMessageParser updateParser;
95 private static final int LENGTH_FIELD_LENGTH = 2;
98 public static void setUp() throws Exception {
99 updateParser = new BGPUpdateMessageParser(ServiceLoaderBGPExtensionProviderContext.getSingletonInstance().getAttributeRegistry());
100 for (int i = 1; i <= COUNTER; i++) {
101 final String name = "/up" + i + ".bin";
102 try (final InputStream is = BGPParserTest.class.getResourceAsStream(name)){
104 throw new IOException("Failed to get resource " + name);
106 final ByteArrayOutputStream bis = new ByteArrayOutputStream();
107 final byte[] data = new byte[MAX_SIZE];
109 while ((nRead = is.read(data, 0, data.length)) != -1) {
110 bis.write(data, 0, nRead);
114 inputBytes.add(bis.toByteArray());
122 public void testResource() {
123 assertNotNull(inputBytes);
127 * Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI
129 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
130 * 00 54 <- length (84) - including header
132 * 00 00 <- withdrawn routes length
133 * 00 31 <- total path attribute length (49)
134 * 40 <- attribute flags
135 * 01 <- attribute type code (origin)
136 * 01 <- attribute length
137 * 00 <- Origin value (IGP)
138 * 40 <- attribute flags
139 * 02 <- attribute type code (as path)
140 * 06 <- attribute length
142 * 01 <- path segment count
143 * 00 00 fd ea <- path segment value (65002)
144 * 40 <- attribute flags
145 * 03 <- attribute type code (Next Hop)
146 * 04 <- attribute length
147 * 10 00 00 02 <- value (10.0.0.2)
148 * 80 <- attribute flags
149 * 04 <- attribute type code (multi exit disc)
150 * 04 <- attribute length
151 * 00 00 00 00 <- value
152 * 60 <- attribute flags
153 * 06 <- attribute type code (atomic aggregate)
154 * 00 <- attribute length
155 * 40 <- attribute flags
156 * 08 <- attribute type code (community)
157 * 10 <- attribute length FF FF FF
158 * 01 <- value (NO_EXPORT)
159 * FF FF FF 02 <- value (NO_ADVERTISE)
160 * FF FF FF 03 <- value (NO_EXPORT_SUBCONFED)
161 * FF FF FF 10 <- unknown Community
164 * 18 ac 11 02 <- IPv4 Prefix (172.17.2.0 / 24)
165 * 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
166 * 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
169 public void testGetUpdateMessage1() throws Exception {
171 final byte[] body = ByteArray.cutBytes(inputBytes.get(0), MessageUtil.COMMON_HEADER_LENGTH);
172 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
173 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
177 assertNull(message.getWithdrawnRoutes());
180 final List<AsNumber> asNumbers = new ArrayList<AsNumber>();
181 asNumbers.add(new AsNumber(65002L));
182 final List<Segments> asPath = Lists.newArrayList();
183 asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
185 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
186 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.2")).build()).build();
188 final List<Communities> comms = Lists.newArrayList();
189 comms.add((Communities) CommunityUtil.NO_EXPORT);
190 comms.add((Communities) CommunityUtil.NO_ADVERTISE);
191 comms.add((Communities) CommunityUtil.NO_EXPORT_SUBCONFED);
192 comms.add((Communities) CommunityUtil.create(NoopReferenceCache.getInstance(), 0xFFFF, 0xFF10));
194 final UpdateBuilder builder = new UpdateBuilder();
198 final List<Ipv4Prefix> prefs = Lists.newArrayList();
199 prefs.add(new Ipv4Prefix("172.17.2.0/24"));
200 prefs.add(new Ipv4Prefix("172.17.1.0/24"));
201 prefs.add(new Ipv4Prefix("172.17.0.0/24"));
203 final Nlri nlri = new NlriBuilder().setNlri(prefs).build();
205 assertEquals(nlri, message.getNlri());
207 builder.setNlri(nlri);
209 // check path attributes
211 final Attributes attrs = message.getAttributes();
213 final AttributesBuilder paBuilder = new AttributesBuilder();
215 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
216 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
218 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
219 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
221 paBuilder.setCNextHop(nextHop);
222 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
224 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
225 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
227 paBuilder.setAtomicAggregate(new AtomicAggregateBuilder().build());
228 assertEquals(paBuilder.getAtomicAggregate(), attrs.getAtomicAggregate());
230 paBuilder.setCommunities(comms);
231 assertEquals(paBuilder.getCommunities(), attrs.getCommunities());
233 paBuilder.setUnrecognizedAttributes(Collections.<UnrecognizedAttributes> emptyList());
235 builder.setAttributes(paBuilder.build());
237 assertEquals(builder.build(), message);
239 final ByteBuf buffer = Unpooled.buffer();
240 BGPParserTest.updateParser.serializeMessage(message, buffer);
241 assertArrayEquals(inputBytes.get(0), ByteArray.readAllBytes(buffer));
245 * Tests IPv6 NEXT_HOP, NLRI, ORIGIN.IGP, MULTI_EXIT_DISC, ORIGINATOR-ID, CLUSTER_LIST.
247 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
248 * 00 80 <- length (128) - including header
250 * 00 00 <- withdrawn routes length
251 * 00 69 <- total path attribute length (105)
252 * 40 <- attribute flags
253 * 01 <- attribute type code (origin)
254 * 01 <- attribute length
255 * 00 <- Origin value (IGP)
256 * 40 <- attribute flags
257 * 02 <- attribute type code (as path)
258 * 06 <- attribute length
260 * 01 <- path segment count
261 * 00 00 fd e9 <- path segment value (65001)
262 * 40 <- attribute flags
263 * 03 <- attribute type code (next hop)
264 * 04 <- attribute length
265 * 0a 00 00 00 <- next hop value (10.0.0.0)
266 * 80 <- attribute flags
267 * 04 <- attribute type code (multi exit disc)
268 * 04 <- attribute length
269 * 00 00 00 00 <- value
270 * 80 <- attribute flags
271 * 09 <- attribute type code (originator id)
272 * 04 <- attribute length
273 * 7f 00 00 01 <- value (localhost ip)
274 * 80 <- attribute flags
275 * 0a <- attribute type code (cluster list)
276 * 08 <- attribute length
277 * 01 02 03 04 <- value
278 * 05 06 07 08 <- value
279 * 80 <- attribute flags
280 * 0e <- attribute type code (mp reach nlri)
281 * 40 <- attribute length
282 * 00 02 <- AFI (Ipv6)
283 * 01 <- SAFI (Unicast)
284 * 20 <- length of next hop
285 * 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01 <- global
286 * fe 80 00 00 00 00 00 00 c0 01 0b ff fe 7e 00 <- link local
290 * 40 20 01 0d b8 00 01 00 02 <- IPv6 Prefix (2001:db8:1:2:: / 64)
291 * 40 20 01 0d b8 00 01 00 01 <- IPv6 Prefix (2001:db8:1:1:: / 64)
292 * 40 20 01 0d b8 00 01 00 00 <- IPv6 Prefix (2001:db8:1:: / 64)
296 public void testGetUpdateMessage2() throws Exception {
297 final byte[] body = ByteArray.cutBytes(inputBytes.get(1), MessageUtil.COMMON_HEADER_LENGTH);
298 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(1), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
299 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
302 assertNull(message.getWithdrawnRoutes());
304 final UpdateBuilder builder = new UpdateBuilder();
308 final List<Ipv6Prefixes> prefs = new ArrayList<>();
309 prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:2::/64")).build());
310 prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:1::/64")).build());
311 prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1::/64")).build());
313 assertNull(message.getNlri());
316 final List<AsNumber> asNumbers = new ArrayList<AsNumber>();
317 asNumbers.add(new AsNumber(65001L));
318 final List<Segments> asPath = Lists.newArrayList();
319 asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
321 final Ipv6NextHopCase nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(
322 new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
324 final List<ClusterIdentifier> clusters = Lists.newArrayList(new ClusterIdentifier(new Ipv4Address("1.2.3.4")),
325 new ClusterIdentifier(new Ipv4Address("5.6.7.8")));
327 // check path attributes
329 final Attributes attrs = message.getAttributes();
331 final AttributesBuilder paBuilder = new AttributesBuilder();
333 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
334 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
336 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
337 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
339 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
340 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
342 paBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address("127.0.0.1")).build());
343 assertEquals(paBuilder.getOriginatorId(), attrs.getOriginatorId());
345 paBuilder.setClusterId(new ClusterIdBuilder().setCluster(clusters).build());
346 assertEquals(paBuilder.getClusterId(), attrs.getClusterId());
348 final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
349 mpBuilder.setAfi(Ipv6AddressFamily.class);
350 mpBuilder.setSafi(UnicastSubsequentAddressFamily.class);
351 mpBuilder.setCNextHop(nextHop);
352 mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
353 new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(prefs).build()).build()).build());
355 paBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(mpBuilder.build()).build());
356 assertEquals(paBuilder.getAugmentation(Attributes1.class).getMpReachNlri(),
357 attrs.getAugmentation(Attributes1.class).getMpReachNlri());
358 paBuilder.setUnrecognizedAttributes(Collections.<UnrecognizedAttributes> emptyList());
361 builder.setAttributes(paBuilder.build());
362 assertEquals(builder.build(), message);
364 final ByteBuf buffer = Unpooled.buffer();
365 BGPParserTest.updateParser.serializeMessage(message, buffer);
366 assertArrayEquals(inputBytes.get(1), ByteArray.readAllBytes(buffer));
370 * Tests more AS Numbers in AS_PATH, AGGREGATOR, ORIGIN.INCOMPLETE
372 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
373 * 00 4b <- length (75) - including header
375 * 00 00 <- withdrawn routes length
376 * 00 30 <- total path attribute length (48)
377 * 40 <- attribute flags
378 * 01 <- attribute type code (origin)
379 * 01 <- attribute length
380 * 02 <- Origin value (Incomplete)
381 * 40 <- attribute flags
382 * 02 <- attribute type code (as path)
383 * 10 <- attribute length
385 * 01 <- path segment count
386 * 00 00 00 1e <- path segment value (30)
388 * 02 <- path segment count
389 * 00 00 00 0a <- path segment value (10)
390 * 00 00 00 14 <- path segment value (20)
391 * 40 <- attribute flags
392 * 03 <- attribute type (Next hop)
393 * 04 <- attribute length
394 * 0a 00 00 09 <- value (10.0.0.9)
395 * 80 <- attribute flags
396 * 04 <- attribute type code (multi exit disc)
397 * 04 <- attribute length
398 * 00 00 00 00 <- value
399 * c0 <- attribute flags
400 * 07 <- attribute type (Aggregator)
401 * 08 <- attribute length
402 * 00 00 00 1e <- value (AS number = 30)
403 * 0a 00 00 09 <- value (IP address = 10.0.0.9)
406 * 15 ac 10 00 <- IPv4 Prefix (172.16.0.0 / 21)
409 public void testGetUpdateMessage3() throws Exception {
410 final byte[] body = ByteArray.cutBytes(inputBytes.get(2), MessageUtil.COMMON_HEADER_LENGTH);
411 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
412 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
414 final UpdateBuilder builder = new UpdateBuilder();
417 final Ipv4Prefix pref1 = new Ipv4Prefix("172.16.0.0/21");
419 final List<Ipv4Prefix> nlri = Lists.newArrayList(pref1);
420 builder.setNlri(new NlriBuilder().setNlri(nlri).build());
421 assertEquals(builder.getNlri(), message.getNlri());
424 assertNull(message.getWithdrawnRoutes());
427 final List<AsNumber> asNumbers = new ArrayList<AsNumber>();
428 asNumbers.add(new AsNumber(30L));
429 final List<Segments> asPath = Lists.newArrayList();
430 asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
431 final List<AsNumber> asSet = Lists.newArrayList(new AsNumber(10L), new AsNumber(20L));
432 asPath.add(new SegmentsBuilder().setAsSet(asSet).build());
434 final Aggregator aggregator = new AggregatorBuilder().setAsNumber(new AsNumber((long) 30)).setNetworkAddress(
435 new Ipv4Address("10.0.0.9")).build();
436 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
437 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.9")).build()).build();
439 // check path attributes
440 final Attributes attrs = message.getAttributes();
442 final AttributesBuilder paBuilder = new AttributesBuilder();
444 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).build());
445 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
447 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
448 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
450 paBuilder.setCNextHop(nextHop);
451 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
453 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
454 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
456 paBuilder.setAggregator(aggregator);
457 assertEquals(paBuilder.getAggregator(), attrs.getAggregator());
458 paBuilder.setUnrecognizedAttributes(Collections.<UnrecognizedAttributes> emptyList());
459 builder.setAttributes(paBuilder.build());
461 assertEquals(builder.build(), message);
463 final ByteBuf buffer = Unpooled.buffer();
464 BGPParserTest.updateParser.serializeMessage(message, buffer);
465 assertArrayEquals(inputBytes.get(2), ByteArray.readAllBytes(buffer));
469 * Tests empty AS_PATH, ORIGIN.EGP, LOCAL_PREF, EXTENDED_COMMUNITIES (Ipv4 Addr specific)
471 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
472 * 00 4A <- length (73) - including header
474 * 00 00 <- withdrawn routes length
475 * 00 27 <- total path attribute length (39)
476 * 40 <- attribute flags
477 * 01 <- attribute type code (Origin)
478 * 01 <- attribute length
479 * 01 <- Origin value (EGP)
480 * 40 <- attribute flags
481 * 02 <- attribute type code (As path)
482 * 00 <- attribute length
483 * 40 <- attribute flags
484 * 03 <- attribute type (Next hop)
485 * 04 <- attribute length
486 * 03 03 03 03 <- value (3.3.3.3)
487 * 80 <- attribute flags
488 * 04 <- attribute type code (Multi exit disc)
489 * 04 <- attribute length
490 * 00 00 00 00 <- value
491 * 40 <- attribute flags
492 * 05 <- attribute type (Local Pref)
493 * 04 <- attribute length
494 * 00 00 00 64 <- value (100)
495 * c0 <- attribute flags
496 * 10 <- attribute type (extended community)
497 * 08 <- attribute length
498 * 01 04 <- value (type - Ipv4 Address Specific Extended Community)
499 * c0 a8 01 00 <- value (global adm. 198.162.1.0)
500 * 12 34 <- value (local adm. 4660)
503 * 18 0a 1e 03 <- IPv4 Prefix (10.30.3.0 / 24)
504 * 18 0a 1e 02 <- IPv4 Prefix (10.30.2.0 / 24)
505 * 18 0a 1e 01 <- IPv4 Prefix (10.30.1.0 / 24)
508 public void testGetUpdateMessage4() throws Exception {
509 final byte[] body = ByteArray.cutBytes(inputBytes.get(3), MessageUtil.COMMON_HEADER_LENGTH);
510 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(3), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
511 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
513 final UpdateBuilder builder = new UpdateBuilder();
516 assertNull(message.getWithdrawnRoutes());
519 final Ipv4Prefix pref1 = new Ipv4Prefix("10.30.3.0/24");
520 final Ipv4Prefix pref2 = new Ipv4Prefix("10.30.2.0/24");
521 final Ipv4Prefix pref3 = new Ipv4Prefix("10.30.1.0/24");
523 final List<Ipv4Prefix> nlri = Lists.newArrayList(pref1, pref2, pref3);
524 builder.setNlri(new NlriBuilder().setNlri(nlri).build());
525 assertEquals(builder.getNlri(), message.getNlri());
528 final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(
529 new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("3.3.3.3")).build()).build();
531 final List<ExtendedCommunities> comms = Lists.newArrayList();
532 comms.add(new ExtendedCommunitiesBuilder().setCommType((short) 1).setCommSubType((short) 4).setExtendedCommunity(
533 new Inet4SpecificExtendedCommunityCaseBuilder().setInet4SpecificExtendedCommunity(
534 new Inet4SpecificExtendedCommunityBuilder().setTransitive(false).setGlobalAdministrator(
535 new Ipv4Address("192.168.1.0")).setLocalAdministrator(new byte[] { 0x12, 0x34 }).build()).build()).build());
537 // check path attributes
538 final Attributes attrs = message.getAttributes();
540 final AttributesBuilder paBuilder = new AttributesBuilder();
542 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
543 assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
545 paBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.<Segments> emptyList()).build());
546 assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
548 paBuilder.setCNextHop(nextHop);
549 assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
551 paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
552 assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
554 paBuilder.setLocalPref(new LocalPrefBuilder().setPref(100L).build());
555 assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
557 paBuilder.setExtendedCommunities(comms);
558 assertEquals(paBuilder.getExtendedCommunities(), attrs.getExtendedCommunities());
560 paBuilder.setUnrecognizedAttributes(Collections.<UnrecognizedAttributes> emptyList());
562 builder.setAttributes(paBuilder.build());
563 assertEquals(builder.build(), message);
565 final ByteBuf buffer = Unpooled.buffer();
566 BGPParserTest.updateParser.serializeMessage(message, buffer);
567 assertArrayEquals(inputBytes.get(3), ByteArray.readAllBytes(buffer));
571 * Tests withdrawn routes.
573 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
574 * 00 1c <- length (28) - including header
576 * 00 05 <- withdrawn routes length (5)
577 * 1e ac 10 00 04 <- route (172.16.0.4)
578 * 00 00 <- total path attribute length
581 public void testGetUpdateMessage5() throws Exception {
582 final byte[] body = ByteArray.cutBytes(inputBytes.get(4), MessageUtil.COMMON_HEADER_LENGTH);
583 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(4), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
584 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
587 final List<Ipv4Prefix> prefs = Lists.newArrayList(new Ipv4Prefix("172.16.0.4/30"));
590 final Update expectedMessage = new UpdateBuilder().setWithdrawnRoutes(
591 new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build()).build();
593 assertEquals(expectedMessage.getWithdrawnRoutes(), message.getWithdrawnRoutes());
595 final ByteBuf buffer = Unpooled.buffer();
596 BGPParserTest.updateParser.serializeMessage(message, buffer);
597 assertArrayEquals(inputBytes.get(4), ByteArray.readAllBytes(buffer));
601 * End of Rib for Ipv4.
603 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
604 * 00 17 <- length (23) - including header
606 * 00 00 <- withdrawn routes length
607 * 00 00 <- total path attribute length
610 public void testEORIpv4() throws Exception {
611 final byte[] body = ByteArray.cutBytes(inputBytes.get(5), MessageUtil.COMMON_HEADER_LENGTH);
612 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(5), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
613 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
615 assertEquals(new UpdateBuilder().build(), message);
617 final ByteBuf buffer = Unpooled.buffer();
618 BGPParserTest.updateParser.serializeMessage(message, buffer);
619 assertArrayEquals(inputBytes.get(5), ByteArray.readAllBytes(buffer));
623 * End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
625 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
626 * 00 1d <- length (29) - including header
628 * 00 00 <- withdrawn routes length
629 * 00 06 <- total path attribute length
630 * 80 <- attribute flags
631 * 0f <- attribute type (15 - MP_UNREACH_NLRI)
632 * 03 <- attribute length
633 * 00 02 <- value (AFI 2: IPv6)
634 * 01 <- value (SAFI 1)
637 public void testEORIpv6() throws Exception {
638 final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
639 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
640 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
642 final Class<? extends AddressFamily> afi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getAfi();
643 final Class<? extends SubsequentAddressFamily> safi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getSafi();
645 assertEquals(Ipv6AddressFamily.class, afi);
646 assertEquals(UnicastSubsequentAddressFamily.class, safi);
648 final ByteBuf buffer = Unpooled.buffer();
649 BGPParserTest.updateParser.serializeMessage(message, buffer);
650 assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));
654 * End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
656 * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
657 * 00 1e <- length (29) - including header
659 * 00 00 <- withdrawn routes length
660 * 00 07 <- total path attribute length
661 * 90 <- attribute flags
662 * 0f <- attribute type (15 - MP_UNREACH_NLRI)
663 * 00 03 <- attribute length
664 * 00 02 <- value (AFI 2: IPv6)
665 * 01 <- value (SAFI 1)
668 public void testEORIpv6exLength() throws Exception {
669 final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
670 final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
671 final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
673 final Class<? extends AddressFamily> afi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getAfi();
674 final Class<? extends SubsequentAddressFamily> safi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getSafi();
676 assertEquals(Ipv6AddressFamily.class, afi);
677 assertEquals(UnicastSubsequentAddressFamily.class, safi);
679 final ByteBuf buffer = Unpooled.buffer();
680 BGPParserTest.updateParser.serializeMessage(message, buffer);
681 assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));