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.GlobalEventExecutor;
  23
  24 import java.util.List;
  25
  26 import org.junit.After;
  27 import org.junit.Before;
  28 import org.junit.Ignore;
  29 import org.junit.Test;
  30 import org.mockito.Mock;
  31 import org.mockito.MockitoAnnotations;
  32 import org.mockito.invocation.InvocationOnMock;
  33 import org.mockito.stubbing.Answer;
  34 import org.opendaylight.protocol.bgp.parser.BGPError;
  35 import org.opendaylight.protocol.bgp.parser.BGPTableType;
  36 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev130918.LinkstateAddressFamily;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev130918.LinkstateSubsequentAddressFamily;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Keepalive;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.KeepaliveBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Notify;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Open;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.OpenBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.ProtocolVersion;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.open.BgpParameters;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.open.BgpParametersBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.open.bgp.parameters.c.parameters.CMultiprotocolBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.open.bgp.parameters.c.parameters.c.multiprotocol.MultiprotocolCapabilityBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  51 import org.opendaylight.yangtools.yang.binding.Notification;
  52
  53 import com.google.common.collect.Lists;
  54
  55 public class FSMTest {
  56
  57         private BGPSessionNegotiator clientSession;
  58
  59         @Mock
  60         private Channel speakerListener;
  61
  62         @Mock
  63         private ChannelPipeline pipeline;
  64
  65         private final BGPTableType ipv4tt = new BGPTableType(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  66
  67         private final BGPTableType linkstatett = new BGPTableType(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
  68
  69         private final List<Notification> receivedMsgs = Lists.newArrayList();
  70
  71         private Open classicOpen;
  72
  73         @Before
  74         public void setUp() {
  75                 MockitoAnnotations.initMocks(this);
  76                 final List<BgpParameters> tlvs = Lists.newArrayList();
  77
  78                 tlvs.add(new BgpParametersBuilder().setCParameters(
  79                                 new CMultiprotocolBuilder().setMultiprotocolCapability(
  80                                                 new MultiprotocolCapabilityBuilder().setAfi(this.ipv4tt.getAddressFamily()).setSafi(
  81                                                                 this.ipv4tt.getSubsequentAddressFamily()).build()).build()).build());
  82                 tlvs.add(new BgpParametersBuilder().setCParameters(
  83                                 new CMultiprotocolBuilder().setMultiprotocolCapability(
  84                                                 new MultiprotocolCapabilityBuilder().setAfi(this.linkstatett.getAddressFamily()).setSafi(
  85                                                                 this.linkstatett.getSubsequentAddressFamily()).build()).build()).build());
  86                 final BGPSessionPreferences prefs = new BGPSessionPreferences(30, (short) 3, null, tlvs);
  87                 this.clientSession = new BGPSessionNegotiator(new HashedWheelTimer(), new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, prefs, new SimpleSessionListener());
  88                 doAnswer(new Answer<Object>() {
  89                         @Override
  90                         public Object answer(final InvocationOnMock invocation) {
  91                                 final Object[] args = invocation.getArguments();
  92                                 FSMTest.this.receivedMsgs.add((Notification) args[0]);
  93                                 return null;
  94                         }
  95                 }).when(this.speakerListener).writeAndFlush(any(Notification.class));
  96                 doReturn("TestingChannel").when(this.speakerListener).toString();
  97                 doReturn(this.pipeline).when(this.speakerListener).pipeline();
  98                 doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
  99                 doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
 100                 this.classicOpen = new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).setBgpParameters(
 101                                 tlvs).build();
 102         }
 103
 104         @Test
 105         public void testAccSessionChar() throws InterruptedException {
 106                 this.clientSession.channelActive(null);
 107                 assertEquals(1, this.receivedMsgs.size());
 108                 assertTrue(this.receivedMsgs.get(0) instanceof Open);
 109                 this.clientSession.handleMessage(this.classicOpen);
 110                 assertEquals(2, this.receivedMsgs.size());
 111                 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
 112                 this.clientSession.handleMessage(new KeepaliveBuilder().build());
 113                 assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 114                 Thread.sleep(1000);
 115                 Thread.sleep(100);
 116                 assertEquals(3, this.receivedMsgs.size());
 117                 assertTrue(this.receivedMsgs.get(2) instanceof Keepalive); // test of keepalive timer
 118         }
 119
 120         @Test
 121         public void testNotAccChars() throws InterruptedException {
 122                 this.clientSession.channelActive(null);
 123                 assertEquals(1, this.receivedMsgs.size());
 124                 assertTrue(this.receivedMsgs.get(0) instanceof Open);
 125                 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(1).setVersion(new ProtocolVersion((short) 4)).build());
 126                 assertEquals(2, this.receivedMsgs.size());
 127                 assertTrue(this.receivedMsgs.get(1) instanceof Notify);
 128                 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 129                 assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
 130         }
 131
 132         @Test
 133         @Ignore
 134         // long duration
 135         public void testNoOpen() throws InterruptedException {
 136                 this.clientSession.channelActive(null);
 137                 assertEquals(1, this.receivedMsgs.size());
 138                 assertTrue(this.receivedMsgs.get(0) instanceof Open);
 139                 Thread.sleep(BGPSessionNegotiator.INITIAL_HOLDTIMER * 1000 * 60);
 140                 Thread.sleep(100);
 141                 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 142                 assertEquals(BGPError.HOLD_TIMER_EXPIRED, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
 143         }
 144
 145         @Test
 146         public void sendNotification() {
 147                 this.clientSession.channelActive(null);
 148                 this.clientSession.handleMessage(this.classicOpen);
 149                 this.clientSession.handleMessage(new KeepaliveBuilder().build());
 150                 assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 151                 this.clientSession.handleMessage(new OpenBuilder().setMyAsNumber(30).setHoldTimer(3).setVersion(new ProtocolVersion((short) 4)).build());
 152                 assertEquals(3, this.receivedMsgs.size());
 153                 assertTrue(this.receivedMsgs.get(2) instanceof Notify);
 154                 final Notification m = this.receivedMsgs.get(2);
 155                 assertEquals(BGPError.FSM_ERROR.getCode(), ((Notify) m).getErrorCode().shortValue());
 156                 assertEquals(BGPError.FSM_ERROR.getSubcode(), ((Notify) m).getErrorSubcode().shortValue());
 157         }
 158
 159         @After
 160         public void tearDown() {
 161
 162         }
 163 }