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;
17 import com.google.common.collect.Lists;
18 import io.netty.channel.Channel;
19 import io.netty.channel.ChannelFuture;
20 import io.netty.channel.ChannelHandler;
21 import io.netty.channel.ChannelPipeline;
22 import io.netty.channel.EventLoop;
23 import io.netty.util.concurrent.DefaultPromise;
24 import io.netty.util.concurrent.GenericFutureListener;
25 import io.netty.util.concurrent.GlobalEventExecutor;
26 import java.net.InetAddress;
27 import java.net.InetSocketAddress;
28 import java.net.UnknownHostException;
29 import java.util.List;
30 import java.util.concurrent.TimeUnit;
31 import org.junit.After;
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.mockito.Mock;
35 import org.mockito.MockitoAnnotations;
36 import org.mockito.invocation.InvocationOnMock;
37 import org.mockito.stubbing.Answer;
38 import org.opendaylight.protocol.bgp.parser.BGPError;
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.rev100924.AsNumber;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateAddressFamily;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateSubsequentAddressFamily;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Keepalive;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Notify;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.ProtocolVersion;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
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.open.bgp.parameters.optional.capabilities.c.parameters.GracefulRestartCapabilityBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.MultiprotocolCapabilityBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
66 import org.opendaylight.yangtools.yang.binding.Notification;
68 public class FSMTest {
72 private EventLoop eventLoop;
74 private BGPClientSessionNegotiator clientSession;
77 private Channel speakerListener;
80 private ChannelPipeline pipeline;
82 private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
84 private final BgpTableType linkstatett = new BgpTableTypeImpl(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
86 private final List<Notification> receivedMsgs = Lists.newArrayList();
88 private Open classicOpen;
91 public void setUp() throws UnknownHostException {
92 MockitoAnnotations.initMocks(this);
93 final List<BgpParameters> tlvs = Lists.newArrayList();
94 final List<OptionalCapabilities> capas = Lists.newArrayList();
96 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
97 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
98 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).build());
99 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
100 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
101 .setAfi(this.linkstatett.getAfi()).setSafi(this.linkstatett.getSafi()).build()).build()).build()).build());
102 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().setAs4BytesCapability(
103 new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build()).build()).build());
104 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
105 new CParameters1Builder().setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build()).build()).build()).build());
108 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
109 final BGPSessionPreferences prefs = new BGPSessionPreferences(new AsNumber(30L), (short) 3, new Ipv4Address("1.1.1.1"), new AsNumber(30L), tlvs);
111 final ChannelFuture f = mock(ChannelFuture.class);
112 doReturn(null).when(f).addListener(any(GenericFutureListener.class));
114 final InetAddress peerAddress = InetAddress.getByName("1.1.1.2");
115 final BGPPeerRegistry peerRegistry = new StrictBGPPeerRegistry();
116 peerRegistry.addPeer(new IpAddress(new Ipv4Address(peerAddress.getHostAddress())), new SimpleSessionListener(), prefs);
118 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, peerRegistry, new BGPClientSessionValidator(new AsNumber(30L)));
119 doAnswer(new Answer<Object>() {
121 public Object answer(final InvocationOnMock invocation) {
122 final Object[] args = invocation.getArguments();
123 FSMTest.this.receivedMsgs.add((Notification) args[0]);
126 }).when(this.speakerListener).writeAndFlush(any(Notification.class));
127 doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
128 doReturn(null).when(this.eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
129 doReturn("TestingChannel").when(this.speakerListener).toString();
130 doReturn(new InetSocketAddress(peerAddress, 179)).when(this.speakerListener).remoteAddress();
131 doReturn(new InetSocketAddress(peerAddress, 179)).when(this.speakerListener).localAddress();
132 doReturn(this.pipeline).when(this.speakerListener).pipeline();
133 doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
134 doReturn(this.pipeline).when(this.pipeline).addLast(any(ChannelHandler.class));
135 doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
136 this.classicOpen = new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
137 tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build();
141 public void testDenyPeer() {
142 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, new StrictBGPPeerRegistry(), new BGPClientSessionValidator(new AsNumber(30L)));
143 this.clientSession.channelActive(null);
144 assertEquals(1, this.receivedMsgs.size());
145 assertTrue(this.receivedMsgs.get(0) instanceof Notify);
149 public void testAccSessionChar() throws InterruptedException {
150 this.clientSession.channelActive(null);
151 assertEquals(1, this.receivedMsgs.size());
152 assertTrue(this.receivedMsgs.get(0) instanceof Open);
153 this.clientSession.handleMessage(this.classicOpen);
154 assertEquals(2, this.receivedMsgs.size());
155 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
156 this.clientSession.handleMessage(new KeepaliveBuilder().build());
157 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
163 public void testNotAccChars() throws InterruptedException {
164 this.clientSession.channelActive(null);
165 assertEquals(1, this.receivedMsgs.size());
166 assertTrue(this.receivedMsgs.get(0) instanceof Open);
167 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(new ProtocolVersion((short) 4)).build());
168 assertEquals(2, this.receivedMsgs.size());
169 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
170 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
171 assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
175 public void testNoAs4BytesCapability() {
176 this.clientSession.channelActive(null);
177 assertEquals(1, this.receivedMsgs.size());
178 assertTrue(this.receivedMsgs.get(0) instanceof Open);
180 final List<BgpParameters> tlvs = Lists.newArrayList();
181 final List<OptionalCapabilities> capas = Lists.newArrayList();
182 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
183 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
184 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).build());
185 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
186 // Open Message without advertised four-octet AS Number capability
187 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(
188 new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build());
189 assertEquals(2, this.receivedMsgs.size());
190 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
191 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
192 assertEquals(BGPError.UNSUPPORTED_CAPABILITY, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
193 assertNotNull(((Notify) m).getData());
197 public void sendNotification() {
198 this.clientSession.channelActive(null);
199 this.clientSession.handleMessage(this.classicOpen);
200 this.clientSession.handleMessage(new KeepaliveBuilder().build());
201 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
202 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).build());
203 assertEquals(3, this.receivedMsgs.size());
204 assertTrue(this.receivedMsgs.get(2) instanceof Notify);
205 final Notification m = this.receivedMsgs.get(2);
206 assertEquals(BGPError.FSM_ERROR.getCode(), ((Notify) m).getErrorCode().shortValue());
207 assertEquals(BGPError.FSM_ERROR.getSubcode(), ((Notify) m).getErrorSubcode().shortValue());
211 public void sameBGPIDs() {
212 this.clientSession.channelActive(null);
213 assertEquals(1, this.receivedMsgs.size());
214 assertTrue(this.receivedMsgs.get(0) instanceof Open);
216 this.clientSession.handleMessage(new OpenBuilder(this.classicOpen).setBgpIdentifier(new Ipv4Address("1.1.1.1")).build());
217 assertEquals(2, this.receivedMsgs.size());
218 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
219 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
220 assertEquals(BGPError.BAD_BGP_ID, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
224 public void tearDown() {