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 doAnswer(new Answer<Object>() {
117 public Object answer(final InvocationOnMock invocation) {
118 final Object[] args = invocation.getArguments();
119 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(this.pipeline).when(this.pipeline).addLast(any(ChannelHandler.class));
131 doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
133 final BGPPeerRegistry peerRegistry = new StrictBGPPeerRegistry();
134 peerRegistry.addPeer(new IpAddress(new Ipv4Address(peerAddress.getHostAddress())), new SimpleSessionListener(), prefs);
136 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, peerRegistry);
138 this.classicOpen = new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
139 tlvs).setBgpIdentifier(new Ipv4Address("1.1.1.2")).build();
143 public void testDenyPeer() {
144 this.clientSession = new BGPClientSessionNegotiator(new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, new StrictBGPPeerRegistry());
145 this.clientSession.channelActive(null);
146 assertEquals(1, this.receivedMsgs.size());
147 assertTrue(this.receivedMsgs.get(0) instanceof Notify);
151 public void testAccSessionChar() throws InterruptedException {
152 this.clientSession.channelActive(null);
153 assertEquals(1, this.receivedMsgs.size());
154 assertTrue(this.receivedMsgs.get(0) instanceof Open);
155 this.clientSession.handleMessage(this.classicOpen);
156 assertEquals(2, this.receivedMsgs.size());
157 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
158 this.clientSession.handleMessage(new KeepaliveBuilder().build());
159 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
165 public void testNotAccChars() throws InterruptedException {
166 this.clientSession.channelActive(null);
167 assertEquals(1, this.receivedMsgs.size());
168 assertTrue(this.receivedMsgs.get(0) instanceof Open);
169 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setBgpIdentifier(new Ipv4Address("127.0.0.1")).setVersion(new ProtocolVersion((short) 4)).build());
170 assertEquals(2, this.receivedMsgs.size());
171 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
172 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
173 assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
177 public void testNoAs4BytesCapability() {
178 this.clientSession.channelActive(null);
179 assertEquals(1, this.receivedMsgs.size());
180 assertTrue(this.receivedMsgs.get(0) instanceof Open);
182 final List<BgpParameters> tlvs = Lists.newArrayList();
183 final List<OptionalCapabilities> capas = Lists.newArrayList();
184 capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
185 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
186 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build()).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 sendNotification() {
200 this.clientSession.channelActive(null);
201 this.clientSession.handleMessage(this.classicOpen);
202 this.clientSession.handleMessage(new KeepaliveBuilder().build());
203 assertEquals(this.clientSession.getState(), BGPClientSessionNegotiator.State.FINISHED);
204 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).build());
205 assertEquals(3, this.receivedMsgs.size());
206 assertTrue(this.receivedMsgs.get(2) instanceof Notify);
207 final Notification m = this.receivedMsgs.get(2);
208 assertEquals(BGPError.FSM_ERROR.getCode(), ((Notify) m).getErrorCode().shortValue());
209 assertEquals(BGPError.FSM_ERROR.getSubcode(), ((Notify) m).getErrorSubcode().shortValue());
213 public void sameBGPIDs() {
214 this.clientSession.channelActive(null);
215 assertEquals(1, this.receivedMsgs.size());
216 assertTrue(this.receivedMsgs.get(0) instanceof Open);
218 this.clientSession.handleMessage(new OpenBuilder(this.classicOpen).setBgpIdentifier(new Ipv4Address("1.1.1.1")).build());
219 assertEquals(2, this.receivedMsgs.size());
220 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
221 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
222 assertEquals(BGPError.BAD_BGP_ID, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
226 public void tearDown() {