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.Matchers.any;
  14 import static org.mockito.Mockito.doAnswer;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  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.util.concurrent.Future;
  25 import io.netty.util.concurrent.GenericFutureListener;
  26 import io.netty.util.concurrent.GlobalEventExecutor;
  27 import java.net.InetAddress;
  28 import java.net.InetSocketAddress;
  29 import java.net.UnknownHostException;
  30 import java.util.List;
  31 import java.util.concurrent.TimeUnit;
  32 import org.junit.Assert;
  33 import org.junit.Before;
  34 import org.junit.Test;
  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.BGPError;
  42 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  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.message.rev130919.KeepaliveBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Notify;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.NotifyBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.ProtocolVersion;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParameters;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParametersBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.OptionalCapabilities;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.OptionalCapabilitiesBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.As4BytesCaseBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.as4.bytes._case.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.open.bgp.parameters.optional.capabilities.c.parameters.GracefulRestartCaseBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.MultiprotocolCaseBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.graceful.restart._case.GracefulRestartCapabilityBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.multiprotocol._case.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;
  67
  68 public class BGPSessionImplTest {
  69
  70     private static final int HOLD_TIMER = 3;
  71     private static final AsNumber AS_NUMBER = new AsNumber(30L);
  72     private static final Ipv4Address BGP_ID = new Ipv4Address("1.1.1.2");
  73     private static final String LOCAL_IP = "1.1.1.4";
  74     private static final int LOCAL_PORT = 12345;
  75
  76     @Mock
  77     private EventLoop eventLoop;
  78
  79     @Mock
  80     private Channel speakerListener;
  81
  82     @Mock
  83     private ChannelPipeline pipeline;
  84
  85     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  86
  87     private final List<Notification> receivedMsgs = Lists.newArrayList();
  88
  89     private Open classicOpen;
  90
  91     private BGPSessionImpl bgpSession;
  92
  93     private SimpleSessionListener listener;
  94
  95     @Before
  96     public void setUp() throws UnknownHostException {
  97         MockitoAnnotations.initMocks(this);
  98         final List<BgpParameters> tlvs = Lists.newArrayList();
  99         this.classicOpen = new OpenBuilder().setMyAsNumber(AS_NUMBER.getValue().intValue()).setHoldTimer(HOLD_TIMER).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
 100                 tlvs).setBgpIdentifier(BGP_ID).build();
 101
 102         final List<OptionalCapabilities> capa = Lists.newArrayList();
 103         capa.add(new OptionalCapabilitiesBuilder().setCParameters(
 104             new MultiprotocolCaseBuilder().setMultiprotocolCapability(
 105                 new MultiprotocolCapabilityBuilder().setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build());
 106         capa.add(new OptionalCapabilitiesBuilder().setCParameters(new As4BytesCaseBuilder().setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(
 107             AS_NUMBER).build()).build()).build());
 108         capa.add(new OptionalCapabilitiesBuilder().setCParameters(
 109             new GracefulRestartCaseBuilder().setGracefulRestartCapability(
 110                 new GracefulRestartCapabilityBuilder().build()).build()).build());
 111         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capa).build());
 112
 113         final ChannelFuture f = mock(ChannelFuture.class);
 114         doReturn(null).when(f).addListener(Mockito.<GenericFutureListener<? extends Future<? super Void>>>any());
 115
 116         doAnswer(new Answer<Object>() {
 117             @Override
 118             public Object answer(final InvocationOnMock invocation) {
 119                 final Object[] args = invocation.getArguments();
 120                 BGPSessionImplTest.this.receivedMsgs.add((Notification) args[0]);
 121                 return f;
 122             }
 123         }).when(this.speakerListener).writeAndFlush(any(Notification.class));
 124         doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
 125         doAnswer(new Answer<Void>() {
 126             @Override
 127             public Void answer(final InvocationOnMock invocation) throws Throwable {
 128                 final Runnable command = (Runnable) invocation.getArguments()[0];
 129                 final long delay = (long) invocation.getArguments()[1];
 130                 final TimeUnit unit = (TimeUnit) invocation.getArguments()[2];
 131                 GlobalEventExecutor.INSTANCE.schedule(command, delay, unit);
 132                 return null;
 133             }
 134         }).when(this.eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 135         doReturn("TestingChannel").when(this.speakerListener).toString();
 136         doReturn(new InetSocketAddress(InetAddress.getByName(BGP_ID.getValue()), 179)).when(this.speakerListener).remoteAddress();
 137         doReturn(new InetSocketAddress(InetAddress.getByName(LOCAL_IP), LOCAL_PORT)).when(this.speakerListener).localAddress();
 138         doReturn(this.pipeline).when(this.speakerListener).pipeline();
 139         doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
 140         doReturn(this.pipeline).when(this.pipeline).addLast(any(ChannelHandler.class));
 141         doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
 142         this.listener = new SimpleSessionListener();
 143         this.bgpSession = new BGPSessionImpl(this.listener, this.speakerListener, this.classicOpen, this.classicOpen.getHoldTimer(), null);
 144     }
 145
 146     @Test
 147     public void testBGPSession() {
 148         this.bgpSession.sessionUp();
 149         assertEquals(BGPSessionImpl.State.UP, this.bgpSession.getState());
 150         assertEquals(AS_NUMBER, this.bgpSession.getAsNumber());
 151         assertEquals(BGP_ID, this.bgpSession.getBgpId());
 152         assertEquals(1, this.bgpSession.getAdvertisedTableTypes().size());
 153         assertTrue(this.listener.up);
 154         //test stats
 155         final BgpSessionState state = this.bgpSession.getBgpSesionState();
 156         assertEquals(HOLD_TIMER, state.getHoldtimeCurrent().intValue());
 157         assertEquals(1, state.getKeepaliveCurrent().intValue());
 158         assertEquals(BGPSessionImpl.State.UP.name(), state.getSessionState());
 159         assertEquals(BGP_ID.getValue(), state.getPeerPreferences().getAddress());
 160         assertEquals(AS_NUMBER.getValue(), state.getPeerPreferences().getAs());
 161         assertEquals(BGP_ID.getValue(), state.getPeerPreferences().getBgpId());
 162         assertEquals(1, state.getPeerPreferences().getAdvertizedTableTypes().size());
 163         assertEquals(HOLD_TIMER, state.getPeerPreferences().getHoldtime().intValue());
 164         assertTrue(state.getPeerPreferences().getFourOctetAsCapability());
 165         assertTrue(state.getPeerPreferences().getGrCapability());
 166         assertEquals(LOCAL_IP, state.getSpeakerPreferences().getAddress());
 167         assertEquals(LOCAL_PORT, state.getSpeakerPreferences().getPort().intValue());
 168         assertEquals(0, state.getMessagesStats().getTotalMsgs().getReceived().getCount().longValue());
 169         assertEquals(0, state.getMessagesStats().getTotalMsgs().getSent().getCount().longValue());
 170
 171         this.bgpSession.handleMessage(new UpdateBuilder().build());
 172         assertEquals(1, this.listener.getListMsg().size());
 173         assertTrue(this.listener.getListMsg().get(0) instanceof Update);
 174         assertEquals(1, state.getMessagesStats().getTotalMsgs().getReceived().getCount().longValue());
 175         assertEquals(1, state.getMessagesStats().getUpdateMsgs().getReceived().getCount().longValue());
 176         assertEquals(0, state.getMessagesStats().getUpdateMsgs().getSent().getCount().longValue());
 177
 178         this.bgpSession.handleMessage(new KeepaliveBuilder().build());
 179         this.bgpSession.handleMessage(new KeepaliveBuilder().build());
 180         assertEquals(3, state.getMessagesStats().getTotalMsgs().getReceived().getCount().longValue());
 181         assertEquals(2, state.getMessagesStats().getKeepAliveMsgs().getReceived().getCount().longValue());
 182         assertEquals(0, state.getMessagesStats().getKeepAliveMsgs().getSent().getCount().longValue());
 183
 184         this.bgpSession.close();
 185         assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 186         assertEquals(1, this.receivedMsgs.size());
 187         assertTrue(this.receivedMsgs.get(0) instanceof Notify);
 188         final Notify error = (Notify) this.receivedMsgs.get(0);
 189         assertEquals(BGPError.CEASE.getCode(), error.getErrorCode().shortValue());
 190         assertEquals(BGPError.CEASE.getSubcode(), error.getErrorSubcode().shortValue());
 191         Mockito.verify(this.speakerListener).close();
 192         assertEquals(3, state.getMessagesStats().getTotalMsgs().getReceived().getCount().longValue());
 193         assertEquals(1, state.getMessagesStats().getTotalMsgs().getSent().getCount().longValue());
 194         assertEquals(1, state.getMessagesStats().getErrorMsgs().getErrorSent().getCount().longValue());
 195         assertEquals(BGPError.CEASE.getCode(), state.getMessagesStats().getErrorMsgs().getErrorSent().getCode().shortValue());
 196         assertEquals(BGPError.CEASE.getSubcode(), state.getMessagesStats().getErrorMsgs().getErrorSent().getSubCode().shortValue());
 197
 198         this.bgpSession.resetSessionStats();
 199         assertEquals(0, state.getMessagesStats().getTotalMsgs().getReceived().getCount().longValue());
 200         assertEquals(0, state.getMessagesStats().getTotalMsgs().getSent().getCount().longValue());
 201         assertEquals(0, state.getMessagesStats().getErrorMsgs().getErrorSent().getCount().longValue());
 202     }
 203
 204     @Test
 205     public void testHandleOpenMsg() {
 206         this.bgpSession.handleMessage(this.classicOpen);
 207         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 208         Assert.assertEquals(1, this.receivedMsgs.size());
 209         Assert.assertTrue(this.receivedMsgs.get(0) instanceof Notify);
 210         final Notify error = (Notify) this.receivedMsgs.get(0);
 211         Assert.assertEquals(BGPError.FSM_ERROR.getCode(), error.getErrorCode().shortValue());
 212         Assert.assertEquals(BGPError.FSM_ERROR.getSubcode(), error.getErrorSubcode().shortValue());
 213         Mockito.verify(this.speakerListener).close();
 214     }
 215
 216     @Test
 217     public void testHandleNotifyMsg() {
 218         this.bgpSession.handleMessage(new NotifyBuilder().setErrorCode(BGPError.BAD_BGP_ID.getCode()).setErrorSubcode(BGPError.BAD_BGP_ID.getSubcode()).build());
 219         assertEquals(1, this.bgpSession.getBgpSesionState().getMessagesStats().getErrorMsgs().getErrorReceived().getCount().longValue());
 220         assertEquals(BGPError.BAD_BGP_ID.getCode(), this.bgpSession.getBgpSesionState().getMessagesStats().getErrorMsgs().getErrorReceived().getCode().shortValue());
 221         assertEquals(BGPError.BAD_BGP_ID.getSubcode(), this.bgpSession.getBgpSesionState().getMessagesStats().getErrorMsgs().getErrorReceived().getSubCode().shortValue());
 222         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 223         Mockito.verify(this.speakerListener).close();
 224     }
 225
 226     @Test
 227     public void testEndOfInput() {
 228         this.bgpSession.sessionUp();
 229         Assert.assertFalse(this.listener.down);
 230         this.bgpSession.endOfInput();
 231         Assert.assertTrue(this.listener.down);
 232     }
 233
 234     @Test
 235     public void testHoldTimerExpire() throws InterruptedException {
 236         this.bgpSession.sessionUp();
 237         Thread.sleep(3500);
 238         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.bgpSession.getState());
 239         Assert.assertEquals(3, this.receivedMsgs.size());
 240         Assert.assertTrue(this.receivedMsgs.get(2) instanceof Notify);
 241         final Notify error = (Notify) this.receivedMsgs.get(2);
 242         Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getCode(), error.getErrorCode().shortValue());
 243         Assert.assertEquals(BGPError.HOLD_TIMER_EXPIRED.getSubcode(), error.getErrorSubcode().shortValue());
 244         Mockito.verify(this.speakerListener).close();
 245     }
 246 }