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 com.google.common.collect.Maps;
15 import com.google.common.collect.Sets;
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.net.UnknownHostException;
22 import java.util.List;
25 import org.junit.Before;
26 import org.junit.Test;
27 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
28 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
29 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6Builder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
35 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;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.ProtocolVersion;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParameters;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.Segments;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.SegmentsBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.MplsLabeledVpnSubsequentAddressFamily;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
67 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;
68 import org.opendaylight.yangtools.yang.binding.Notification;
70 public class BGPMessageParserMockTest {
72 private final byte[][] inputBytes = new byte[11][];
73 private final List<Update> messages = Lists.newArrayList();
76 public void init() throws Exception {
77 // Creating input bytes and update messages
78 for (int i = 0; i < this.inputBytes.length; i++) {
79 this.inputBytes[i] = this.fillInputBytes(i);
80 this.messages.add(this.fillMessages(i));
85 * Test if mock implementation of parser returns correct message
87 * @throws BGPParsingException
88 * @throws BGPDocumentedException
92 public void testGetUpdateMessage() throws BGPParsingException, BGPDocumentedException, IOException {
93 final Map<ByteBuf, Notification> updateMap = Maps.newHashMap();
94 for (int i = 0; i < this.inputBytes.length; i++) {
95 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
97 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
99 for (int i = 0; i < this.inputBytes.length; i++) {
100 assertEquals(this.messages.get(i), mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[i])));
102 assertNotSame(this.messages.get(3), mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[8])));
106 * Test if method throws IllegalArgumentException after finding no BGPUpdateMessage associated with given byte[] key
108 * @throws BGPDocumentedException
109 * @throws BGPParsingException
110 * @throws IOException
112 @Test(expected = IllegalArgumentException.class)
113 public void testGetUpdateMessageException() throws BGPParsingException, BGPDocumentedException, IOException {
114 final Map<ByteBuf, Notification> updateMap = Maps.newHashMap();
115 for (int i = 0; i < this.inputBytes.length; i++) {
116 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
118 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
119 mockParser.parseMessage(Unpooled.copiedBuffer(new byte[] { 7, 4, 6 }));
123 * Helper method to fill inputBytes variable
125 * @param fileNumber parameter to distinguish between files from which bytes are read
127 private byte[] fillInputBytes(final int fileNumber) throws Exception {
128 final ByteArrayOutputStream bis = new ByteArrayOutputStream();
129 final byte[] data = new byte[60];
131 try (final InputStream is = this.getClass().getResourceAsStream("/up" + fileNumber + ".bin")) {
132 while ((nRead = is.read(data, 0, data.length)) != -1) {
133 bis.write(data, 0, nRead);
138 return bis.toByteArray();
142 * Helper method to fill messages variable
144 * @param asn this parameter is passed to ASNumber constructor
146 private Update fillMessages(final long asn) throws UnknownHostException {
148 final UpdateBuilder builder = new UpdateBuilder();
150 final List<Segments> asPath = Lists.newArrayList();
151 asPath.add(new SegmentsBuilder().setAsSequence(Lists.newArrayList(new AsNumber(asn))).build());
152 final CNextHop nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(
153 new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
155 final Ipv6Prefix pref1 = new Ipv6Prefix("2001:db8:1:2::/64");
156 final Ipv6Prefix pref2 = new Ipv6Prefix("2001:db8:1:1::/64");
157 final Ipv6Prefix pref3 = new Ipv6Prefix("2001:db8:1::/64");
159 final AttributesBuilder paBuilder = new AttributesBuilder();
160 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
161 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
163 final MpReachNlriBuilder mpReachBuilder = new MpReachNlriBuilder();
164 mpReachBuilder.setAfi(Ipv6AddressFamily.class);
165 mpReachBuilder.setSafi(UnicastSubsequentAddressFamily.class);
166 mpReachBuilder.setCNextHop(nextHop);
167 mpReachBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
168 new DestinationIpv6CaseBuilder().setDestinationIpv6(
169 new DestinationIpv6Builder().setIpv6Prefixes(Lists.newArrayList(
170 new Ipv6PrefixesBuilder().setPrefix(pref1).build(),new Ipv6PrefixesBuilder().setPrefix(pref2).build(),
171 new Ipv6PrefixesBuilder().setPrefix(pref3).build())).build()).build()).build());
173 paBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(mpReachBuilder.build()).build());
175 builder.setAttributes(paBuilder.build());
177 return builder.build();
181 public void testGetOpenMessage() throws BGPParsingException, BGPDocumentedException, IOException {
182 final Map<ByteBuf, Notification> openMap = Maps.newHashMap();
184 final Set<BgpTableType> type = Sets.newHashSet();
185 type.add(new BgpTableTypeImpl(Ipv4AddressFamily.class, MplsLabeledVpnSubsequentAddressFamily.class));
187 final List<BgpParameters> params = Lists.newArrayList();
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().setMyAsNumber(30).setHoldTimer(30).setBgpParameters(params).setVersion(
198 new ProtocolVersion((short) 4)).build());
200 final BGPMessageParserMock mockParser = new BGPMessageParserMock(openMap);
202 final Set<BgpTableType> result = Sets.newHashSet();
203 for (final BgpParameters p : ((Open) mockParser.parseMessage(Unpooled.copiedBuffer(input))).getBgpParameters()) {
204 for (final OptionalCapabilities capa : p.getOptionalCapabilities()) {
205 final CParameters cp = capa.getCParameters();
206 if (cp.getAugmentation(CParameters1.class) != null && cp.getAugmentation(CParameters1.class).getMultiprotocolCapability() != null) {
207 final BgpTableType t = new BgpTableTypeImpl(cp.getAugmentation(CParameters1.class).getMultiprotocolCapability().getAfi(),
208 cp.getAugmentation(CParameters1.class).getMultiprotocolCapability().getSafi());
213 assertEquals(type, result);