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
9 package org.opendaylight.protocol.bgp.rib.impl;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertTrue;
13 import static org.mockito.Mockito.doAnswer;
14 import static org.mockito.Mockito.doReturn;
15 import static org.mockito.Mockito.mock;
16 import static org.opendaylight.protocol.bgp.rib.impl.CheckUtil.checkIdleState;
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.channel.embedded.EmbeddedChannel;
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.Assert;
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.mockito.Matchers;
35 import org.mockito.Mock;
36 import org.mockito.Mockito;
37 import org.mockito.MockitoAnnotations;
38 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
39 import org.opendaylight.protocol.bgp.parser.BGPError;
40 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
41 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
42 import org.opendaylight.protocol.bgp.rib.spi.State;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
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.message.rev171207.Notify;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.NotifyBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Open;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.OpenBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.ProtocolVersion;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Update;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.UpdateBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.BgpParameters;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.BgpParametersBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.OptionalCapabilities;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpTableType;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1Builder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.GracefulRestartCapabilityBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.MultiprotocolCapabilityBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
65 import org.opendaylight.yangtools.yang.binding.Notification;
67 public class BGPSessionImplTest {
69 private static final int HOLD_TIMER = 3;
70 private static final AsNumber AS_NUMBER = new AsNumber(30L);
71 private static final Ipv4Address BGP_ID = new Ipv4Address("1.1.1.2");
72 private static final String LOCAL_IP = "1.1.1.4";
73 private static final int LOCAL_PORT = 12345;
76 private EventLoop eventLoop;
79 private Channel speakerListener;
82 private ChannelPipeline pipeline;
84 private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
86 private final List<Notification> receivedMsgs = Lists.newArrayList();
88 private Open classicOpen;
90 private BGPSessionImpl bgpSession;
92 private SimpleSessionListener listener;
95 public void setUp() throws UnknownHostException {
96 new EmbeddedChannel();
97 MockitoAnnotations.initMocks(this);
98 final List<BgpParameters> tlvs = Lists.newArrayList();
99 this.classicOpen = new OpenBuilder().setMyAsNumber(AS_NUMBER.getValue().intValue()).setHoldTimer(HOLD_TIMER)
100 .setVersion(new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(BGP_ID).build();
102 final List<OptionalCapabilities> capa = Lists.newArrayList();
103 capa.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
104 new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
105 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build())
106 .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build()).build())
107 .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(AS_NUMBER).build()).build()).build());
108 capa.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
109 tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capa).build());
111 final ChannelFuture f = mock(ChannelFuture.class);
112 doReturn(null).when(f).addListener(Mockito.any());
114 doAnswer(invocation -> {
115 final Object[] args = invocation.getArguments();
116 BGPSessionImplTest.this.receivedMsgs.add((Notification) args[0]);
118 }).when(this.speakerListener).writeAndFlush(Mockito.any(Notification.class));
119 doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
120 doReturn(true).when(this.speakerListener).isActive();
121 doAnswer(invocation -> {
122 final Runnable command = (Runnable) invocation.getArguments()[0];
123 final long delay = (long) invocation.getArguments()[1];
124 final TimeUnit unit = (TimeUnit) invocation.getArguments()[2];
125 GlobalEventExecutor.INSTANCE.schedule(command, delay, unit);
127 }).when(this.eventLoop).schedule(Mockito.any(Runnable.class), Mockito.any(long.class), Mockito.any(TimeUnit.class));
128 doReturn("TestingChannel").when(this.speakerListener).toString();
129 doReturn(true).when(this.speakerListener).isWritable();
130 doReturn(new InetSocketAddress(InetAddress.getByName(BGP_ID.getValue()), 179)).when(this.speakerListener).remoteAddress();
131 doReturn(new InetSocketAddress(InetAddress.getByName(LOCAL_IP), LOCAL_PORT)).when(this.speakerListener).localAddress();
132 doReturn(this.pipeline).when(this.speakerListener).pipeline();
133 doReturn(this.pipeline).when(this.pipeline).replace(Mockito.any(ChannelHandler.class), Mockito.any(String.class), Mockito.any(ChannelHandler.class));
134 doReturn(null).when(this.pipeline).replace(Matchers.<Class<ChannelHandler>>any(), Mockito.any(String.class), Mockito.any(ChannelHandler.class));
135 doReturn(this.pipeline).when(this.pipeline).addLast(Mockito.any(ChannelHandler.class));
136 final ChannelFuture futureChannel = mock(ChannelFuture.class);
137 doReturn(null).when(futureChannel).addListener(Mockito.any());
138 doReturn(futureChannel).when(this.speakerListener).close();
139 this.listener = new SimpleSessionListener();
140 this.bgpSession = new BGPSessionImpl(this.listener, this.speakerListener, this.classicOpen, this.classicOpen.getHoldTimer(), null);
141 this.bgpSession.setChannelExtMsgCoder(this.classicOpen);
145 public void testBGPSession() throws BGPDocumentedException {
146 this.bgpSession.sessionUp();
147 assertEquals(State.UP, this.bgpSession.getState());
148 assertEquals(AS_NUMBER, this.bgpSession.getAsNumber());
149 assertEquals(BGP_ID, this.bgpSession.getBgpId());
150 assertEquals(1, this.bgpSession.getAdvertisedTableTypes().size());
151 Assert.assertEquals(State.UP, this.listener.getState());
153 this.bgpSession.handleMessage(new UpdateBuilder().build());
154 assertEquals(1, this.listener.getListMsg().size());
155 assertTrue(this.listener.getListMsg().get(0) instanceof Update);
156 this.bgpSession.close();
157 assertEquals(State.IDLE, this.bgpSession.getState());
158 assertEquals(1, this.receivedMsgs.size());
159 assertTrue(this.receivedMsgs.get(0) instanceof Notify);
160 final Notify error = (Notify) this.receivedMsgs.get(0);
161 assertEquals(BGPError.CEASE.getCode(), error.getErrorCode().shortValue());
162 assertEquals(BGPError.CEASE.getSubcode(), error.getErrorSubcode().shortValue());
163 Mockito.verify(this.speakerListener).close();
167 public void testHandleOpenMsg() throws BGPDocumentedException {
168 this.bgpSession.handleMessage(this.classicOpen);
169 Assert.assertEquals(State.IDLE, this.bgpSession.getState());
170 Assert.assertEquals(1, this.receivedMsgs.size());
171 Assert.assertTrue(this.receivedMsgs.get(0) instanceof Notify);
172 final Notify error = (Notify) this.receivedMsgs.get(0);
173 Assert.assertEquals(BGPError.FSM_ERROR.getCode(), error.getErrorCode().shortValue());
174 Assert.assertEquals(BGPError.FSM_ERROR.getSubcode(), error.getErrorSubcode().shortValue());
175 Mockito.verify(this.speakerListener).close();
179 public void testHandleNotifyMsg() throws BGPDocumentedException {
180 this.bgpSession.handleMessage(new NotifyBuilder().setErrorCode(BGPError.BAD_BGP_ID.getCode())
181 .setErrorSubcode(BGPError.BAD_BGP_ID.getSubcode()).build());
182 Assert.assertEquals(State.IDLE, this.bgpSession.getState());
183 Mockito.verify(this.speakerListener).close();
187 public void testEndOfInput() throws InterruptedException {
188 this.bgpSession.sessionUp();
189 Assert.assertEquals(State.UP, this.listener.getState());
190 this.bgpSession.endOfInput();
191 checkIdleState(this.listener);
195 public void testHoldTimerExpire() throws InterruptedException {
196 this.bgpSession.sessionUp();
197 checkIdleState(this.listener);
198 Assert.assertEquals(3, this.receivedMsgs.size());
199 Assert.assertTrue(this.receivedMsgs.get(2) instanceof Notify);
200 final Notify error = (Notify) this.receivedMsgs.get(2);
201 Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getCode(), error.getErrorCode().shortValue());
202 Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getSubcode(), error.getErrorSubcode().shortValue());
203 Mockito.verify(this.speakerListener).close();