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