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