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.assertNotNull;
13 import static org.junit.Assert.fail;
14 import static org.mockito.Matchers.any;
16 import com.google.common.collect.Lists;
17 import io.netty.channel.Channel;
18 import io.netty.channel.ChannelHandler;
19 import io.netty.channel.ChannelPipeline;
20 import io.netty.channel.DefaultChannelPromise;
21 import io.netty.channel.EventLoop;
22 import java.net.InetSocketAddress;
23 import java.util.Collections;
24 import java.util.HashMap;
25 import java.util.List;
27 import java.util.concurrent.TimeUnit;
28 import org.junit.Assert;
29 import org.junit.Before;
30 import org.junit.Test;
31 import org.mockito.Mockito;
32 import org.opendaylight.controller.config.yang.bgp.rib.impl.RouteTable;
33 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
34 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
35 import org.opendaylight.protocol.bgp.parser.BGPError;
36 import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
37 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPath;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPref;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Origin;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefreshBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
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.next.hop.CNextHop;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
75 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;
76 import org.opendaylight.yangtools.yang.binding.Notification;
77 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
78 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
79 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
81 public class PeerTest extends AbstractRIBTestSetup {
83 private ApplicationPeer peer;
85 private BGPSessionImpl session;
87 private Map<YangInstanceIdentifier, NormalizedNode<?, ?>> routes;
89 private BGPPeer classic;
90 private final Ipv4Address neighborAddress = new Ipv4Address("127.0.0.1");
94 public void setUp() throws Exception {
96 this.routes = new HashMap<>();
97 overrideMockedBehaviour();
100 private void overrideMockedBehaviour() {
101 Mockito.doAnswer(invocation -> {
102 final Object[] args = invocation.getArguments();
103 final NormalizedNode<?, ?> node = (NormalizedNode<?, ?>) args[2];
104 if (node.getIdentifier().getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(PREFIX_QNAME)) {
105 this.routes.put((YangInstanceIdentifier) args[1], node);
108 }).when(getTransaction()).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
110 Mockito.doAnswer(invocation -> {
111 final Object[] args = invocation.getArguments();
112 this.routes.remove(args[1]);
114 }).when(getTransaction()).delete(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class));
118 public void testAppPeer() {
119 final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
120 final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
121 final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
122 this.peer = new ApplicationPeer(new ApplicationRibId(this.neighborAddress.getValue()), this.neighborAddress, getRib());
123 this.peer.instantiateServiceInstance(null, null);
124 final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
125 this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
126 assertEquals(3, this.routes.size());
128 this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
129 assertEquals(2, this.routes.size());
133 public void testClassicPeer() throws Exception {
134 this.classic = new BGPPeer(this.neighborAddress.getValue(), getRib(), PeerRole.Ibgp, null, Collections.emptySet(),
135 Collections.emptySet());
136 this.classic.instantiateServiceInstance();
138 assertEquals(this.neighborAddress.getValue(), this.classic.getName());
139 this.classic.onSessionUp(this.session);
140 assertEquals(1, this.classic.getBgpPeerState().getSessionEstablishedCount().getValue().intValue());
141 Assert.assertArrayEquals(new byte[]{1, 1, 1, 1}, this.classic.getRawIdentifier());
142 assertEquals("BGPPeer{name=127.0.0.1, tables=[TablesKey [_afi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily, _safi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily]]}", this.classic.toString());
144 final List<Ipv4Prefix> prefs = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("127.0.0.1/32"), new Ipv4Prefix("2.2.2.2/24"));
145 final UpdateBuilder ub = new UpdateBuilder();
146 ub.setNlri(new NlriBuilder().setNlri(prefs).build());
147 final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
148 final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
149 final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("127.0.0.1")).build()).build();
150 final AttributesBuilder ab = new AttributesBuilder();
151 ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
153 this.classic.onMessage(this.session, ub.build());
155 } catch (final BGPDocumentedException e) {
156 assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
157 assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
158 assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
159 assertArrayEquals(new byte[]{LocalPreferenceAttributeParser.TYPE}, e.getData());
161 assertEquals(0, this.routes.size());
163 final LocalPref localPref = new LocalPrefBuilder().setPref((long) 100).build();
164 ub.setAttributes(ab.setLocalPref(localPref).build());
165 this.classic.onMessage(this.session, ub.build());
166 assertEquals(3, this.routes.size());
168 //create new peer so that it gets advertized routes from RIB
169 final BGPPeer testingPeer = new BGPPeer(this.neighborAddress.getValue(), getRib(), PeerRole.Ibgp, null,
170 Collections.emptySet(), Collections.emptySet());
171 testingPeer.instantiateServiceInstance();
172 testingPeer.onSessionUp(this.session);
173 assertEquals(3, this.routes.size());
174 assertEquals(1, testingPeer.getBgpPeerState().getSessionEstablishedCount().getValue().intValue());
175 final List<RouteTable> routeTables = testingPeer.getBgpPeerState().getRouteTable();
176 assertEquals(1, routeTables.size());
177 final RouteTable routeTable = routeTables.get(0);
178 assertEquals(AFI_QNAME.toString(), routeTable.getAfi().getqNameOfIdentity());
179 assertEquals(SAFI_QNAME.toString(), routeTable.getSafi().getqNameOfIdentity());
180 assertNotNull(testingPeer.getBgpSessionState());
182 final List<Ipv4Prefix> prefs2 = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("8.0.1.16/28"));
183 ub.setNlri(new NlriBuilder().setNlri(prefs2).build());
184 ub.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build());
185 this.classic.onMessage(this.session, ub.build());
186 assertEquals(2, this.routes.size());
187 this.classic.onMessage(this.session, new KeepaliveBuilder().build());
188 this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(
189 new AttributesBuilder().addAugmentation(
191 new Attributes2Builder().setMpUnreachNlri(
192 new MpUnreachNlriBuilder().setAfi(AFI).setSafi(SAFI).build()).build()).build()).build());
193 this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(AFI).setSafi(SAFI).build());
194 this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
195 assertEquals(2, this.routes.size());
196 this.classic.releaseConnection();
199 private void mockSession() {
200 final EventLoop eventLoop = Mockito.mock(EventLoop.class);
201 final Channel channel = Mockito.mock(Channel.class);
202 final ChannelPipeline pipeline = Mockito.mock(ChannelPipeline.class);
203 Mockito.doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
204 Mockito.doReturn(eventLoop).when(channel).eventLoop();
205 Mockito.doReturn(Boolean.TRUE).when(channel).isWritable();
206 Mockito.doReturn(null).when(channel).close();
207 Mockito.doReturn(pipeline).when(channel).pipeline();
208 Mockito.doCallRealMethod().when(channel).toString();
209 Mockito.doReturn(pipeline).when(pipeline).addLast(Mockito.any(ChannelHandler.class));
210 Mockito.doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
211 Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
212 Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
213 final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder().setOptionalCapabilities(
214 Lists.newArrayList(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
215 CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
216 .setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build())).build());
217 final Open openObj = new OpenBuilder().setBgpIdentifier(new Ipv4Address("1.1.1.1")).setHoldTimer(50).setMyAsNumber(72).setBgpParameters(params).build();
218 this.session = new BGPSessionImpl(this.classic, channel, openObj, 30, null);
219 this.session.setChannelExtMsgCoder(openObj);