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

   1 /*
   2  * Copyright (c) 2013 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 package org.opendaylight.protocol.bgp.rib.impl;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.mockito.Matchers.any;
  13 import static org.mockito.Mockito.doAnswer;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.mock;
  16
  17 import com.google.common.collect.Lists;
  18
  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.util.HashedWheelTimer;
  24 import io.netty.util.concurrent.DefaultPromise;
  25 import io.netty.util.concurrent.GenericFutureListener;
  26 import io.netty.util.concurrent.GlobalEventExecutor;
  27
  28 import java.util.List;
  29
  30 import org.junit.After;
  31 import org.junit.Before;
  32 import org.junit.Ignore;
  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.BGPSessionPreferences;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.LinkstateAddressFamily;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.LinkstateSubsequentAddressFamily;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Keepalive;
  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.Open;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.ProtocolVersion;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParameters;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParametersBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.c.parameters.MultiprotocolCaseBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.c.parameters.multiprotocol._case.MultiprotocolCapabilityBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  57 import org.opendaylight.yangtools.yang.binding.Notification;
  58
  59 public class FSMTest {
  60
  61     private BGPSessionNegotiator clientSession;
  62
  63     @Mock
  64     private Channel speakerListener;
  65
  66     @Mock
  67     private ChannelPipeline pipeline;
  68
  69     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  70
  71     private final BgpTableType linkstatett = new BgpTableTypeImpl(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
  72
  73     private final List<Notification> receivedMsgs = Lists.newArrayList();
  74
  75     private Open classicOpen;
  76
  77     @Before
  78     public void setUp() {
  79         MockitoAnnotations.initMocks(this);
  80         final List<BgpParameters> tlvs = Lists.newArrayList();
  81
  82         tlvs.add(new BgpParametersBuilder().setCParameters(
  83                 new MultiprotocolCaseBuilder().setMultiprotocolCapability(
  84                         new MultiprotocolCapabilityBuilder().setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build());
  85         tlvs.add(new BgpParametersBuilder().setCParameters(
  86                 new MultiprotocolCaseBuilder().setMultiprotocolCapability(
  87                         new MultiprotocolCapabilityBuilder().setAfi(this.linkstatett.getAfi()).setSafi(this.linkstatett.getSafi()).build()).build()).build());
  88         final BGPSessionPreferences prefs = new BGPSessionPreferences(new AsNumber(30L), (short) 3, null, tlvs);
  89
  90         final ChannelFuture f = mock(ChannelFuture.class);
  91         doReturn(null).when(f).addListener(any(GenericFutureListener.class));
  92         this.clientSession = new BGPSessionNegotiator(new HashedWheelTimer(), new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, prefs, new AsNumber(30L), new SimpleSessionListener());
  93         doAnswer(new Answer<Object>() {
  94             @Override
  95             public Object answer(final InvocationOnMock invocation) {
  96                 final Object[] args = invocation.getArguments();
  97                 FSMTest.this.receivedMsgs.add((Notification) args[0]);
  98                 return f;
  99             }
 100         }).when(this.speakerListener).writeAndFlush(any(Notification.class));
 101         doReturn("TestingChannel").when(this.speakerListener).toString();
 102         doReturn(this.pipeline).when(this.speakerListener).pipeline();
 103         doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
 104         doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
 105         this.classicOpen = new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
 106                 tlvs).build();
 107     }
 108
 109     @Test
 110     public void testAccSessionChar() throws InterruptedException {
 111         this.clientSession.channelActive(null);
 112         assertEquals(1, this.receivedMsgs.size());
 113         assertTrue(this.receivedMsgs.get(0) instanceof Open);
 114         this.clientSession.handleMessage(this.classicOpen);
 115         assertEquals(2, this.receivedMsgs.size());
 116         assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
 117         this.clientSession.handleMessage(new KeepaliveBuilder().build());
 118         assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 119         Thread.sleep(1000);
 120         Thread.sleep(100);
 121         assertEquals(3, this.receivedMsgs.size());
 122         assertTrue(this.receivedMsgs.get(2) instanceof Keepalive); // test of keepalive timer
 123     }
 124
 125     @Test
 126     public void testNotAccChars() throws InterruptedException {
 127         this.clientSession.channelActive(null);
 128         assertEquals(1, this.receivedMsgs.size());
 129         assertTrue(this.receivedMsgs.get(0) instanceof Open);
 130         this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(new ProtocolVersion((short) 4)).build());
 131         assertEquals(2, this.receivedMsgs.size());
 132         assertTrue(this.receivedMsgs.get(1) instanceof Notify);
 133         final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 134         assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
 135     }
 136
 137     @Test
 138     @Ignore
 139     // long duration
 140     public void testNoOpen() throws InterruptedException {
 141         this.clientSession.channelActive(null);
 142         assertEquals(1, this.receivedMsgs.size());
 143         assertTrue(this.receivedMsgs.get(0) instanceof Open);
 144         Thread.sleep(BGPSessionNegotiator.INITIAL_HOLDTIMER * 1000 * 60);
 145         Thread.sleep(100);
 146         final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 147         assertEquals(BGPError.HOLD_TIMER_EXPIRED, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
 148     }
 149
 150     @Test
 151     public void sendNotification() {
 152         this.clientSession.channelActive(null);
 153         this.clientSession.handleMessage(this.classicOpen);
 154         this.clientSession.handleMessage(new KeepaliveBuilder().build());
 155         assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 156         this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).build());
 157         assertEquals(3, this.receivedMsgs.size());
 158         assertTrue(this.receivedMsgs.get(2) instanceof Notify);
 159         final Notification m = this.receivedMsgs.get(2);
 160         assertEquals(BGPError.FSM_ERROR.getCode(), ((Notify) m).getErrorCode().shortValue());
 161         assertEquals(BGPError.FSM_ERROR.getSubcode(), ((Notify) m).getErrorSubcode().shortValue());
 162     }
 163
 164     @After
 165     public void tearDown() {
 166
 167     }
 168 }