2 * Copyright (c) 2014 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.rib.impl;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.fail;
13 import static org.mockito.ArgumentMatchers.any;
14 import static org.mockito.ArgumentMatchers.eq;
15 import static org.mockito.Mockito.doAnswer;
16 import static org.mockito.Mockito.doCallRealMethod;
17 import static org.mockito.Mockito.doReturn;
18 import static org.mockito.Mockito.mock;
20 import com.google.common.collect.Lists;
21 import io.netty.channel.Channel;
22 import io.netty.channel.ChannelHandler;
23 import io.netty.channel.ChannelPipeline;
24 import io.netty.channel.DefaultChannelPromise;
25 import io.netty.channel.EventLoop;
26 import java.net.InetSocketAddress;
27 import java.util.Collections;
28 import java.util.HashMap;
29 import java.util.List;
31 import java.util.concurrent.TimeUnit;
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
35 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
36 import org.opendaylight.protocol.bgp.parser.BGPError;
37 import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
38 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressNoZone;
40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4Route;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.KeepaliveBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.OpenBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParameters;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParametersBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPref;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPrefBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.OriginBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.NlriBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutes;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutesBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes2Builder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.RouteRefreshBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpUnreachNlriBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.ApplicationRibId;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerRole;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.LocRib;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpOrigin;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv6AddressFamily;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.UnicastSubsequentAddressFamily;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.CNextHop;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
78 import org.opendaylight.yangtools.yang.binding.Notification;
79 import org.opendaylight.yangtools.yang.common.Uint16;
80 import org.opendaylight.yangtools.yang.common.Uint32;
81 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
82 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
83 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
85 public class PeerTest extends AbstractRIBTestSetup {
87 private final IpAddressNoZone neighborAddress = new IpAddressNoZone(new Ipv4AddressNoZone("127.0.0.1"));
88 private ApplicationPeer peer;
89 private BGPSessionImpl session;
90 private Map<YangInstanceIdentifier, NormalizedNode<?, ?>> routes;
91 private BGPPeer classic;
95 public void setUp() throws Exception {
97 this.routes = new HashMap<>();
98 overrideMockedBehaviour();
101 private void overrideMockedBehaviour() {
102 doAnswer(invocation -> {
103 final Object[] args = invocation.getArguments();
104 final NormalizedNode<?, ?> node = (NormalizedNode<?, ?>) args[2];
105 if (node.getIdentifier().getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(PREFIX_QNAME)) {
106 this.routes.put((YangInstanceIdentifier) args[1], node);
109 }).when(getTransaction()).put(eq(LogicalDatastoreType.OPERATIONAL),
110 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
112 doAnswer(invocation -> {
113 final Object[] args = invocation.getArguments();
114 this.routes.remove(args[1]);
116 }).when(getTransaction()).delete(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class));
120 public void testAppPeer() {
121 final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
122 final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
123 final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
124 this.peer = new ApplicationPeer(this.tableRegistry,
125 new ApplicationRibId(this.neighborAddress.getIpv4AddressNoZone().getValue()),
126 this.neighborAddress.getIpv4AddressNoZone(), getRib());
127 this.peer.instantiateServiceInstance(null, null);
128 final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME)
129 .node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
130 this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
131 assertEquals(3, this.routes.size());
133 this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
134 assertEquals(2, this.routes.size());
138 public void testClassicPeer() throws Exception {
139 this.classic = AbstractAddPathTest.configurePeer(this.tableRegistry,
140 this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
141 this.classic.instantiateServiceInstance();
143 assertEquals(this.neighborAddress.getIpv4AddressNoZone().getValue(), this.classic.getName());
144 this.classic.onSessionUp(this.session);
145 assertEquals("BGPPeer{name=127.0.0.1, tables=[TablesKey{_afi=interface org.opendaylight.yang.gen.v1"
146 + ".urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily,"
147 + " _safi=interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types"
148 + ".rev200120.UnicastSubsequentAddressFamily}]}",
149 this.classic.toString());
151 final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
152 final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
153 final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
154 final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
155 final UpdateBuilder ub = new UpdateBuilder();
157 final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
158 final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
159 final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
160 .setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
161 final AttributesBuilder ab = new AttributesBuilder();
162 ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
164 this.classic.onMessage(this.session, ub.build());
166 } catch (final BGPDocumentedException e) {
167 assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
168 assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
169 assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
170 assertArrayEquals(new byte[]{LocalPreferenceAttributeParser.TYPE}, e.getData());
172 assertEquals(0, this.routes.size());
174 final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build();
175 ub.setAttributes(ab.setLocalPref(localPref).build());
176 this.classic.onMessage(this.session, ub.build());
177 assertEquals(3, this.routes.size());
179 //create new peer so that it gets advertized routes from RIB
180 final BGPPeer testingPeer = AbstractAddPathTest.configurePeer(this.tableRegistry,
181 this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
182 testingPeer.instantiateServiceInstance();
183 testingPeer.onSessionUp(this.session);
184 assertEquals(3, this.routes.size());
186 final Nlri n11 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
187 final Nlri n22 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.16/28")).build();
188 final List<Nlri> nlris2 = Lists.newArrayList(n11, n22);
190 final WithdrawnRoutes w1 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
191 final WithdrawnRoutes w2 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
192 final WithdrawnRoutes w3 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
193 final List<WithdrawnRoutes> wrs = Lists.newArrayList(w1, w2, w3);
194 ub.setWithdrawnRoutes(wrs);
195 this.classic.onMessage(this.session, ub.build());
196 assertEquals(2, this.routes.size());
197 this.classic.onMessage(this.session, new KeepaliveBuilder().build());
198 this.classic.onMessage(this.session, new UpdateBuilder()
199 .setAttributes(new AttributesBuilder()
200 .addAugmentation(new Attributes2Builder()
201 .setMpUnreachNlri(new MpUnreachNlriBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build())
205 this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build());
206 this.classic.onMessage(this.session, new RouteRefreshBuilder()
207 .setAfi(Ipv6AddressFamily.class)
208 .setSafi(SAFI).build());
209 assertEquals(2, this.routes.size());
210 this.classic.releaseConnection();
213 private void mockSession() {
214 final EventLoop eventLoop = mock(EventLoop.class);
215 final Channel channel = mock(Channel.class);
216 final ChannelPipeline pipeline = mock(ChannelPipeline.class);
217 doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
218 doReturn(eventLoop).when(channel).eventLoop();
219 doReturn(Boolean.TRUE).when(channel).isWritable();
220 doReturn(null).when(channel).close();
221 doReturn(pipeline).when(channel).pipeline();
222 doCallRealMethod().when(channel).toString();
223 doReturn(pipeline).when(pipeline).addLast(any(ChannelHandler.class));
224 doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
225 doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
226 doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
227 final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder()
228 .setOptionalCapabilities(Lists.newArrayList(new OptionalCapabilitiesBuilder()
229 .setCParameters(new CParametersBuilder()
230 .addAugmentation(new CParameters1Builder()
231 .setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
232 .setAfi(Ipv4AddressFamily.class)
233 .setSafi(UnicastSubsequentAddressFamily.class)
239 final Open openObj = new OpenBuilder()
240 .setBgpIdentifier(new Ipv4AddressNoZone("1.1.1.1"))
241 .setHoldTimer(Uint16.valueOf(50))
242 .setMyAsNumber(Uint16.valueOf(72))
243 .setBgpParameters(params).build();
244 this.session = new BGPSessionImpl(this.classic, channel, openObj, 30, null);
245 this.session.setChannelExtMsgCoder(openObj);