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.mock;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertNotSame;
13 import com.google.common.collect.Lists;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import java.io.ByteArrayOutputStream;
17 import java.io.InputStream;
18 import java.util.ArrayList;
19 import java.util.HashMap;
20 import java.util.HashSet;
21 import java.util.List;
24 import org.junit.Before;
25 import org.junit.Test;
26 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
27 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
28 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv6.prefixes.DestinationIpv6Builder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv6CaseBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Open;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.OpenBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.ProtocolVersion;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Update;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.UpdateBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParameters;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParametersBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilities;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParameters;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.AsPathBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.OriginBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.as.path.Segments;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.as.path.SegmentsBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1Builder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlriBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpOrigin;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv6AddressFamily;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.MplsLabeledVpnSubsequentAddressFamily;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.CNextHop;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.ipv6.next.hop._case.Ipv6NextHopBuilder;
67 import org.opendaylight.yangtools.yang.binding.Notification;
68 import org.opendaylight.yangtools.yang.common.Uint16;
69 import org.opendaylight.yangtools.yang.common.Uint32;
70 import org.opendaylight.yangtools.yang.common.Uint8;
72 public class BGPMessageParserMockTest {
74 private final byte[][] inputBytes = new byte[11][];
75 private final List<Update> messages = new ArrayList<>();
78 public void init() throws Exception {
79 // Creating input bytes and update messages
80 for (int i = 0; i < this.inputBytes.length; i++) {
81 this.inputBytes[i] = this.fillInputBytes(i);
82 this.messages.add(fillMessages(i));
87 * Test if mock implementation of parser returns correct message.
90 public void testGetUpdateMessage() throws BGPParsingException, BGPDocumentedException {
91 final Map<ByteBuf, Notification> updateMap = new HashMap<>();
92 for (int i = 0; i < this.inputBytes.length; i++) {
93 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
95 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
97 for (int i = 0; i < this.inputBytes.length; i++) {
98 assertEquals(this.messages.get(i),
99 mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[i]), null));
101 assertNotSame(this.messages.get(3),
102 mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[8]), null));
106 * Test if method throws IllegalArgumentException after finding no BGPUpdateMessage
107 * associated with given byte[] key.
109 @Test(expected = IllegalArgumentException.class)
110 public void testGetUpdateMessageException() throws BGPParsingException, BGPDocumentedException {
111 final Map<ByteBuf, Notification> updateMap = new HashMap<>();
112 for (int i = 0; i < this.inputBytes.length; i++) {
113 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
115 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
116 mockParser.parseMessage(Unpooled.copiedBuffer(new byte[]{7, 4, 6}), null);
120 * Helper method to fill inputBytes variable.
122 * @param fileNumber parameter to distinguish between files from which bytes are read
124 private byte[] fillInputBytes(final int fileNumber) throws Exception {
125 final ByteArrayOutputStream bis = new ByteArrayOutputStream();
126 final byte[] data = new byte[60];
128 try (InputStream is = this.getClass().getResourceAsStream("/up" + fileNumber + ".bin")) {
129 while ((read = is.read(data, 0, data.length)) != -1) {
130 bis.write(data, 0, read);
135 return bis.toByteArray();
139 * Helper method to fill messages variable.
141 * @param asn this parameter is passed to ASNumber constructor
143 private static Update fillMessages(final long asn) {
145 final UpdateBuilder builder = new UpdateBuilder();
147 final List<Segments> asPath = new ArrayList<>();
148 asPath.add(new SegmentsBuilder().setAsSequence(Lists.newArrayList(new AsNumber(Uint32.valueOf(asn)))).build());
149 final CNextHop nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(
150 new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1"))
151 .setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
153 final Ipv6Prefix pref1 = new Ipv6Prefix("2001:db8:1:2::/64");
154 final Ipv6Prefix pref2 = new Ipv6Prefix("2001:db8:1:1::/64");
155 final Ipv6Prefix pref3 = new Ipv6Prefix("2001:db8:1::/64");
157 final AttributesBuilder paBuilder = new AttributesBuilder();
158 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
159 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
161 final MpReachNlriBuilder mpReachBuilder = new MpReachNlriBuilder();
162 mpReachBuilder.setAfi(Ipv6AddressFamily.class);
163 mpReachBuilder.setSafi(UnicastSubsequentAddressFamily.class);
164 mpReachBuilder.setCNextHop(nextHop);
165 mpReachBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
166 new DestinationIpv6CaseBuilder().setDestinationIpv6(
167 new DestinationIpv6Builder().setIpv6Prefixes(Lists.newArrayList(
168 new Ipv6PrefixesBuilder().setPrefix(pref1).build(),
169 new Ipv6PrefixesBuilder().setPrefix(pref2).build(),
170 new Ipv6PrefixesBuilder().setPrefix(pref3).build())).build()).build()).build());
172 paBuilder.addAugmentation(Attributes1.class,
173 new Attributes1Builder().setMpReachNlri(mpReachBuilder.build()).build());
175 builder.setAttributes(paBuilder.build());
177 return builder.build();
181 public void testGetOpenMessage() throws BGPParsingException, BGPDocumentedException {
182 final Map<ByteBuf, Notification> openMap = new HashMap<>();
184 final Set<BgpTableType> type = new HashSet<>();
185 type.add(new BgpTableTypeImpl(Ipv4AddressFamily.class, MplsLabeledVpnSubsequentAddressFamily.class));
187 final List<BgpParameters> params = new ArrayList<>();
189 final CParameters par = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder()
190 .setMultiprotocolCapability(new MultiprotocolCapabilityBuilder().setAfi(Ipv4AddressFamily.class)
191 .setSafi(MplsLabeledVpnSubsequentAddressFamily.class).build()).build()).build();
192 params.add(new BgpParametersBuilder().setOptionalCapabilities(Lists.newArrayList(
193 new OptionalCapabilitiesBuilder().setCParameters(par).build())).build());
195 final byte[] input = new byte[]{5, 8, 13, 21};
197 openMap.put(Unpooled.copiedBuffer(input), new OpenBuilder()
198 .setMyAsNumber(Uint16.valueOf(30))
199 .setHoldTimer(Uint16.valueOf(30))
200 .setBgpParameters(params)
201 .setVersion(new ProtocolVersion(Uint8.valueOf(4)))
204 final BGPMessageParserMock mockParser = new BGPMessageParserMock(openMap);
206 final Set<BgpTableType> result = new HashSet<>();
207 for (final BgpParameters p : ((Open) mockParser.parseMessage(Unpooled.copiedBuffer(input), null))
208 .getBgpParameters()) {
209 for (final OptionalCapabilities capa : p.getOptionalCapabilities()) {
210 final CParameters cp = capa.getCParameters();
211 if (cp.augmentation(CParameters1.class) != null && cp.augmentation(CParameters1.class)
212 .getMultiprotocolCapability() != null) {
213 final BgpTableType t = new BgpTableTypeImpl(cp.augmentation(CParameters1.class)
214 .getMultiprotocolCapability().getAfi(),
215 cp.augmentation(CParameters1.class).getMultiprotocolCapability().getSafi());
220 assertEquals(type, result);