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.rib.impl;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertNotNull;
12 import static org.junit.Assert.assertTrue;
13 import static org.mockito.Matchers.any;
14 import static org.mockito.Mockito.doAnswer;
15 import static org.mockito.Mockito.doReturn;
16 import static org.mockito.Mockito.mock;
18 import com.google.common.collect.Lists;
19 import io.netty.channel.Channel;
20 import io.netty.channel.ChannelFuture;
21 import io.netty.channel.ChannelHandler;
22 import io.netty.channel.ChannelPipeline;
23 import io.netty.channel.EventLoop;
24 import io.netty.util.concurrent.DefaultPromise;
25 import io.netty.util.concurrent.GenericFutureListener;
26 import io.netty.util.concurrent.GlobalEventExecutor;
27 import java.net.InetAddress;
28 import java.net.InetSocketAddress;
29 import java.net.UnknownHostException;
30 import java.util.List;
31 import java.util.concurrent.TimeUnit;
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.mockito.Matchers;
35 import org.mockito.Mock;
36 import org.mockito.MockitoAnnotations;
37 import org.opendaylight.protocol.bgp.parser.BGPError;
38 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
39 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
40 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
41 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.LinkstateAddressFamily;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.LinkstateSubsequentAddressFamily;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Keepalive;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.KeepaliveBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Notify;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Open;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.OpenBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.ProtocolVersion;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParameters;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParametersBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilities;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapabilityBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpId;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
67 import org.opendaylight.yangtools.yang.binding.Notification;
69 public class FSMTest {
73 private EventLoop eventLoop;
75 private BGPClientSessionNegotiator clientSession;
78 private Channel speakerListener;
81 private ChannelPipeline pipeline;
83 private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
85 private final BgpTableType linkstatett = new BgpTableTypeImpl(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
87 private final List<Notification> receivedMsgs = Lists.newArrayList();
89 private Open classicOpen;
92 public void setUp() throws UnknownHostException {
93 MockitoAnnotations.initMocks(this);
94 final List<BgpParameters> tlvs = Lists.newArrayList();
95 final List<OptionalCapabilities> capas = Lists.newArrayList();
97 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
98 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
99 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).build());
100 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
101 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
102 .setAfi(this.linkstatett.getAfi()).setSafi(this.linkstatett.getSafi()).build()).build()).build()).build());
103 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().setAs4BytesCapability(
104 new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build()).build()).build());
105 capas.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
106 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
107 new CParameters1Builder().setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build()).build()).build()).build());
110 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
111 final BGPSessionPreferences prefs = new BGPSessionPreferences(new AsNumber(30L), (short) 3,
112 new BgpId("1.1.1.1"), new AsNumber(30L), tlvs);
114 final ChannelFuture f = mock(ChannelFuture.class);
115 doReturn(null).when(f).addListener(any(GenericFutureListener.class));
117 final InetAddress peerAddress = InetAddress.getByName("1.1.1.2");
118 doAnswer(invocation -> {
119 final Object[] args = invocation.getArguments();
120 FSMTest.this.receivedMsgs.add((Notification) args[0]);
122 }).when(this.speakerListener).writeAndFlush(any(Notification.class));
123 doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
124 doReturn(null).when(this.eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
125 doReturn("TestingChannel").when(this.speakerListener).toString();
126 doReturn(new InetSocketAddress(peerAddress, 179)).when(this.speakerListener).remoteAddress();
127 doReturn(new InetSocketAddress(peerAddress, 179)).when(this.speakerListener).localAddress();
128 doReturn(this.pipeline).when(this.speakerListener).pipeline();
129 doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
130 doReturn(null).when(this.pipeline).replace(Matchers.<Class<ChannelHandler>>any(), any(String.class), any(ChannelHandler.class));
131 doReturn(this.pipeline).when(this.pipeline).addLast(any(ChannelHandler.class));
132 doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
134 final BGPPeerRegistry peerRegistry = new StrictBGPPeerRegistry();
135 peerRegistry.addPeer(new IpAddress(new Ipv4Address(peerAddress.getHostAddress())), new SimpleSessionListener(), prefs);
137 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<>(GlobalEventExecutor.INSTANCE), this.speakerListener, peerRegistry);
139 this.classicOpen = new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
140 tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build();
144 public void testDenyPeer() {
145 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<>(GlobalEventExecutor.INSTANCE), this.speakerListener, new StrictBGPPeerRegistry());
146 this.clientSession.channelActive(null);
147 assertEquals(1, this.receivedMsgs.size());
148 assertTrue(this.receivedMsgs.get(0) instanceof Notify);
152 public void testAccSessionChar() {
153 this.clientSession.channelActive(null);
154 assertEquals(1, this.receivedMsgs.size());
155 assertTrue(this.receivedMsgs.get(0) instanceof Open);
156 this.clientSession.handleMessage(this.classicOpen);
157 assertEquals(2, this.receivedMsgs.size());
158 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
159 this.clientSession.handleMessage(new KeepaliveBuilder().build());
160 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
164 public void testNotAccChars() {
165 this.clientSession.channelActive(null);
166 assertEquals(1, this.receivedMsgs.size());
167 assertTrue(this.receivedMsgs.get(0) instanceof Open);
168 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setBgpIdentifier(new Ipv4Address("127.0.0.1")).setVersion(new ProtocolVersion((short) 4)).build());
169 assertEquals(2, this.receivedMsgs.size());
170 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
171 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
172 assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
176 public void testNoAs4BytesCapability() {
177 this.clientSession.channelActive(null);
178 assertEquals(1, this.receivedMsgs.size());
179 assertTrue(this.receivedMsgs.get(0) instanceof Open);
181 final List<BgpParameters> tlvs = Lists.newArrayList();
182 final List<OptionalCapabilities> capas = Lists.newArrayList();
183 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
184 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
185 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).build());
186 capas.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
187 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
188 // Open Message without advertised four-octet AS Number capability
189 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(
190 new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build());
191 assertEquals(2, this.receivedMsgs.size());
192 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
193 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
194 assertEquals(BGPError.UNSUPPORTED_CAPABILITY, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
195 assertNotNull(((Notify) m).getData());
199 public void testBgpExtendedMessageCapability() {
200 this.clientSession.channelActive(null);
201 assertEquals(1, this.receivedMsgs.size());
202 assertTrue(this.receivedMsgs.get(0) instanceof Open);
204 final List<BgpParameters> tlvs = Lists.newArrayList();
205 final List<OptionalCapabilities> capas = Lists.newArrayList();
206 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
207 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
208 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).build());
209 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().setAs4BytesCapability(
210 new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build()).build()).build());
211 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
212 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(
213 new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build());
214 assertEquals(2, this.receivedMsgs.size());
215 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
220 public void sendNotification() {
221 this.clientSession.channelActive(null);
222 this.clientSession.handleMessage(this.classicOpen);
223 this.clientSession.handleMessage(new KeepaliveBuilder().build());
224 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
225 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).build());
226 assertEquals(3, this.receivedMsgs.size());
227 assertTrue(this.receivedMsgs.get(2) instanceof Notify);
228 final Notification m = this.receivedMsgs.get(2);
229 assertEquals(BGPError.FSM_ERROR.getCode(), ((Notify) m).getErrorCode().shortValue());
230 assertEquals(BGPError.FSM_ERROR.getSubcode(), ((Notify) m).getErrorSubcode().shortValue());
234 public void sameBGPIDs() {
235 this.clientSession.channelActive(null);
236 assertEquals(1, this.receivedMsgs.size());
237 assertTrue(this.receivedMsgs.get(0) instanceof Open);
239 this.clientSession.handleMessage(new OpenBuilder(this.classicOpen).setBgpIdentifier(new Ipv4Address("1.1.1.1")).build());
240 assertEquals(2, this.receivedMsgs.size());
241 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
242 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
243 assertEquals(BGPError.BAD_BGP_ID, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));