bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/BGPSessionImplTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.protocol.bgp.rib.impl;
  10
  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.BGPDispatcherImplTest.checkIdleState;
  17
  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.Future;
  26 import io.netty.util.concurrent.GenericFutureListener;
  27 import io.netty.util.concurrent.GlobalEventExecutor;
  28 import java.net.InetAddress;
  29 import java.net.InetSocketAddress;
  30 import java.net.UnknownHostException;
  31 import java.util.List;
  32 import java.util.concurrent.TimeUnit;
  33 import org.junit.Assert;
  34 import org.junit.Before;
  35 import org.junit.Test;
  36 import org.mockito.Matchers;
  37 import org.mockito.Mock;
  38 import org.mockito.Mockito;
  39 import org.mockito.MockitoAnnotations;
  40 import org.mockito.invocation.InvocationOnMock;
  41 import org.mockito.stubbing.Answer;
  42 import org.opendaylight.controller.config.yang.bgp.rib.impl.BgpSessionState;
  43 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  44 import org.opendaylight.protocol.bgp.parser.BGPError;
  45 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  46 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Notify;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.NotifyBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.ProtocolVersion;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.GracefulRestartCapabilityBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  70 import org.opendaylight.yangtools.yang.binding.Notification;
  71
  72 public class BGPSessionImplTest {
  73
  74     private static final int HOLD_TIMER = 3;
  75     private static final AsNumber AS_NUMBER = new AsNumber(30L);
  76     private static final Ipv4Address BGP_ID = new Ipv4Address("1.1.1.2");
  77     private static final String LOCAL_IP = "1.1.1.4";
  78     private static final int LOCAL_PORT = 12345;
  79
  80     @Mock
  81     private EventLoop eventLoop;
  82
  83     @Mock
  84     private Channel speakerListener;
  85
  86     @Mock
  87     private ChannelPipeline pipeline;
  88
  89     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  90
  91     private final List<Notification> receivedMsgs = Lists.newArrayList();
  92
  93     private Open classicOpen;
  94
  95     private BGPSessionImpl bgpSession;
  96
  97     private SimpleSessionListener listener;
  98
  99     @Before
 100     public void setUp() throws UnknownHostException {
 101         new EmbeddedChannel();
 102         MockitoAnnotations.initMocks(this);
 103         final List<BgpParameters> tlvs = Lists.newArrayList();
 104         this.classicOpen = new OpenBuilder().setMyAsNumber(AS_NUMBER.getValue().intValue()).setHoldTimer(HOLD_TIMER)
 105                 .setVersion(new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(BGP_ID).build();
 106
 107         final List<OptionalCapabilities> capa = Lists.newArrayList();
 108         capa.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
 109             new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 110                 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build())
 111                 .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build()).build())
 112                 .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(AS_NUMBER).build()).build()).build());
 113         capa.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 114         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capa).build());
 115
 116         final ChannelFuture f = mock(ChannelFuture.class);
 117         doReturn(null).when(f).addListener(Mockito.<GenericFutureListener<? extends Future<? super Void>>>any());
 118
 119         doAnswer(new Answer<Object>() {
 120             @Override
 121             public Object answer(final InvocationOnMock invocation) {
 122                 final Object[] args = invocation.getArguments();
 123                 BGPSessionImplTest.this.receivedMsgs.add((Notification) args[0]);
 124                 return f;
 125             }
 126         }).when(this.speakerListener).writeAndFlush(Mockito.any(Notification.class));
 127         doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
 128         doReturn(true).when(this.speakerListener).isActive();
 129         doAnswer(new Answer<Void>() {
 130             @Override
 131             public Void answer(final InvocationOnMock invocation) throws Throwable {
 132                 final Runnable command = (Runnable) invocation.getArguments()[0];
 133                 final long delay = (long) invocation.getArguments()[1];
 134                 final TimeUnit unit = (TimeUnit) invocation.getArguments()[2];
 135                 GlobalEventExecutor.INSTANCE.schedule(command, delay, unit);
 136                 return null;
 137             }
 138         }).when(this.eventLoop).schedule(Mockito.any(Runnable.class), Mockito.any(long.class), Mockito.any(TimeUnit.class));
 139         doReturn("TestingChannel").when(this.speakerListener).toString();
 140         doReturn(true).when(this.speakerListener).isWritable();
 141         doReturn(new InetSocketAddress(InetAddress.getByName(BGP_ID.getValue()), 179)).when(this.speakerListener).remoteAddress();
 142         doReturn(new InetSocketAddress(InetAddress.getByName(LOCAL_IP), LOCAL_PORT)).when(this.speakerListener).localAddress();
 143         doReturn(this.pipeline).when(this.speakerListener).pipeline();
 144         doReturn(this.pipeline).when(this.pipeline).replace(Mockito.any(ChannelHandler.class), Mockito.any(String.class), Mockito.any(ChannelHandler.class));
 145         doReturn(null).when(this.pipeline).replace(Matchers.<Class<ChannelHandler>>any(), Mockito.any(String.class), Mockito.any(ChannelHandler.class));
 146         doReturn(this.pipeline).when(this.pipeline).addLast(Mockito.any(ChannelHandler.class));
 147         final ChannelFuture futureChannel = mock(ChannelFuture.class);
 148         doReturn(null).when(futureChannel).addListener(Mockito.<GenericFutureListener<? extends Future<? super Void>>>any());
 149         doReturn(futureChannel).when(this.speakerListener).close();
 150         this.listener = new SimpleSessionListener();
 151         this.bgpSession = new BGPSessionImpl(this.listener, this.speakerListener, this.classicOpen, this.classicOpen.getHoldTimer(), null);
 152     }
 153
 154     @Test
 155     public void testBGPSession() throws BGPDocumentedException {
 156         this.bgpSession.sessionUp();
 157         assertEquals(BGPSessionImpl.State.UP, this.bgpSession.getState());
 158         assertEquals(AS_NUMBER, this.bgpSession.getAsNumber());
 159         assertEquals(BGP_ID, this.bgpSession.getBgpId());
 160         assertEquals(1, this.bgpSession.getAdvertisedTableTypes().size());
 161         Assert.assertEquals(BGPSessionImpl.State.UP, this.listener.getState());
 162
 163         //test stats
 164         final BgpSessionState state = this.bgpSession.getBgpSessionState();
 165         assertEquals(HOLD_TIMER, state.getHoldtimeCurrent().intValue());
 166         assertEquals(1, state.getKeepaliveCurrent().intValue());
 167         assertEquals(BGPSessionImpl.State.UP.name(), state.getSessionState());
 168         assertEquals(BGP_ID.getValue(), new String(state.getLocalPeerPreferences().getHost().getValue()));
 169         assertEquals(AS_NUMBER.getValue(), state.getLocalPeerPreferences().getAs().getValue());
 170         assertTrue(state.getLocalPeerPreferences().getBgpExtendedMessageCapability());
 171         assertEquals(BGP_ID.getValue(), state.getLocalPeerPreferences().getBgpId().getValue());
 172         assertEquals(1, state.getLocalPeerPreferences().getAdvertizedTableTypes().size());
 173         assertEquals(HOLD_TIMER, state.getLocalPeerPreferences().getHoldtimer().intValue());
 174         assertTrue(state.getLocalPeerPreferences().getFourOctetAsCapability().booleanValue());
 175         assertTrue(state.getLocalPeerPreferences().getBgpExtendedMessageCapability().booleanValue());
 176         assertTrue(state.getLocalPeerPreferences().getGrCapability());
 177         assertEquals(LOCAL_IP, new String(state.getRemotePeerPreferences().getHost().getValue()));
 178         assertEquals(LOCAL_PORT, state.getRemotePeerPreferences().getPort().getValue().intValue());
 179         assertEquals(0, state.getMessagesStats().getTotalMsgs().getReceived().getCount().getValue().longValue());
 180         assertEquals(0, state.getMessagesStats().getTotalMsgs().getSent().getCount().getValue().longValue());
 181
 182         this.bgpSession.handleMessage(new UpdateBuilder().build());
 183         assertEquals(1, this.listener.getListMsg().size());
 184         assertTrue(this.listener.getListMsg().get(0) instanceof Update);
 185         assertEquals(1, state.getMessagesStats().getTotalMsgs().getReceived().getCount().getValue().longValue());
 186         assertEquals(1, state.getMessagesStats().getUpdateMsgs().getReceived().getCount().getValue().longValue());
 187         assertEquals(0, state.getMessagesStats().getUpdateMsgs().getSent().getCount().getValue().longValue());
 188
 189         this.bgpSession.handleMessage(new KeepaliveBuilder().build());
 190         this.bgpSession.handleMessage(new KeepaliveBuilder().build());
 191         assertEquals(3, state.getMessagesStats().getTotalMsgs().getReceived().getCount().getValue().longValue());
 192         assertEquals(2, state.getMessagesStats().getKeepAliveMsgs().getReceived().getCount().getValue().longValue());
 193         assertEquals(0, state.getMessagesStats().getKeepAliveMsgs().getSent().getCount().getValue().longValue());
 194
 195         this.bgpSession.close();
 196         assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 197         assertEquals(1, this.receivedMsgs.size());
 198         assertTrue(this.receivedMsgs.get(0) instanceof Notify);
 199         final Notify error = (Notify) this.receivedMsgs.get(0);
 200         assertEquals(BGPError.CEASE.getCode(), error.getErrorCode().shortValue());
 201         assertEquals(BGPError.CEASE.getSubcode(), error.getErrorSubcode().shortValue());
 202         Mockito.verify(this.speakerListener).close();
 203         assertEquals(3, state.getMessagesStats().getTotalMsgs().getReceived().getCount().getValue().longValue());
 204         assertEquals(1, state.getMessagesStats().getTotalMsgs().getSent().getCount().getValue().longValue());
 205         assertEquals(1, state.getMessagesStats().getErrorMsgs().getErrorSentTotal().getCount().getValue().longValue());
 206         assertEquals(1, state.getMessagesStats().getErrorMsgs().getErrorSent().get(0).getCount().getValue().longValue());
 207         assertEquals(BGPError.CEASE.getCode(), state.getMessagesStats().getErrorMsgs().getErrorSent().get(0).getErrorCode().shortValue());
 208         assertEquals(BGPError.CEASE.getSubcode(), state.getMessagesStats().getErrorMsgs().getErrorSent().get(0).getErrorSubcode().shortValue());
 209
 210         this.bgpSession.resetBgpSessionStats();
 211         assertEquals(0, state.getMessagesStats().getTotalMsgs().getReceived().getCount().getValue().longValue());
 212         assertEquals(0, state.getMessagesStats().getTotalMsgs().getSent().getCount().getValue().longValue());
 213         assertEquals(0, state.getMessagesStats().getErrorMsgs().getErrorSentTotal().getCount().getValue().longValue());
 214     }
 215
 216     @Test
 217     public void testHandleOpenMsg() throws BGPDocumentedException {
 218         this.bgpSession.handleMessage(this.classicOpen);
 219         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 220         Assert.assertEquals(1, this.receivedMsgs.size());
 221         Assert.assertTrue(this.receivedMsgs.get(0) instanceof Notify);
 222         final Notify error = (Notify) this.receivedMsgs.get(0);
 223         Assert.assertEquals(BGPError.FSM_ERROR.getCode(), error.getErrorCode().shortValue());
 224         Assert.assertEquals(BGPError.FSM_ERROR.getSubcode(), error.getErrorSubcode().shortValue());
 225         Mockito.verify(this.speakerListener).close();
 226     }
 227
 228     @Test
 229     public void testHandleNotifyMsg() throws BGPDocumentedException {
 230         this.bgpSession.handleMessage(new NotifyBuilder().setErrorCode(BGPError.BAD_BGP_ID.getCode()).setErrorSubcode(BGPError.BAD_BGP_ID.getSubcode()).build());
 231         assertEquals(1, this.bgpSession.getBgpSessionState().getMessagesStats().getErrorMsgs().getErrorReceivedTotal().getCount().getValue().longValue());
 232         assertEquals(1, this.bgpSession.getBgpSessionState().getMessagesStats().getErrorMsgs().getErrorReceived().get(0).getCount().getValue().longValue());
 233         assertEquals(BGPError.BAD_BGP_ID.getCode(), this.bgpSession.getBgpSessionState().getMessagesStats().getErrorMsgs().getErrorReceived().get(0).getErrorCode().shortValue());
 234         assertEquals(BGPError.BAD_BGP_ID.getSubcode(), this.bgpSession.getBgpSessionState().getMessagesStats().getErrorMsgs().getErrorReceived().get(0).getErrorSubcode().shortValue());
 235         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 236         Mockito.verify(this.speakerListener).close();
 237     }
 238
 239     @Test
 240     public void testEndOfInput() throws InterruptedException {
 241         this.bgpSession.sessionUp();
 242         Assert.assertEquals(BGPSessionImpl.State.UP, this.listener.getState());
 243         this.bgpSession.endOfInput();
 244         checkIdleState(this.listener);
 245     }
 246
 247     @Test
 248     public void testHoldTimerExpire() throws InterruptedException {
 249         this.bgpSession.sessionUp();
 250         checkIdleState(this.listener);
 251         Assert.assertEquals(3, this.receivedMsgs.size());
 252         Assert.assertTrue(this.receivedMsgs.get(2) instanceof Notify);
 253         final Notify error = (Notify) this.receivedMsgs.get(2);
 254         Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getCode(), error.getErrorCode().shortValue());
 255         Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getSubcode(), error.getErrorSubcode().shortValue());
 256         Mockito.verify(this.speakerListener).close();
 257     }
 258 }