bgp/flowspec/src/test/java/org/opendaylight/protocol/bgp/flowspec/FSNlriParserTest.java

   1 /*
   2  * Copyright (c) 2015 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.flowspec;
   9
  10 import static org.junit.Assert.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12
  13 import com.google.common.collect.Lists;
  14 import io.netty.buffer.ByteBuf;
  15 import io.netty.buffer.Unpooled;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import org.junit.Test;
  19 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
  20 import org.opendaylight.protocol.util.ByteArray;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.BitmaskOperand;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.ComponentType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.Dscp;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.Fragment;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.NumericOperand;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.Flowspec;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.FlowspecBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DestinationPortCase;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DestinationPortCaseBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DestinationPrefixCase;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DestinationPrefixCaseBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DscpCase;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.DscpCaseBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.FragmentCase;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.FragmentCaseBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.IcmpCodeCase;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.IcmpCodeCaseBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.IcmpTypeCase;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.IcmpTypeCaseBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.PacketLengthCase;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.PacketLengthCaseBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.PortCase;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.PortCaseBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.ProtocolIpCase;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.ProtocolIpCaseBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.SourcePortCase;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.SourcePortCaseBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.SourcePrefixCase;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.SourcePrefixCaseBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.TcpFlagsCase;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.TcpFlagsCaseBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.destination.port._case.DestinationPorts;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.destination.port._case.DestinationPortsBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.dscp._case.Dscps;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.dscp._case.DscpsBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.fragment._case.Fragments;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.fragment._case.FragmentsBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.icmp.code._case.Codes;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.icmp.code._case.CodesBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.icmp.type._case.Types;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.icmp.type._case.TypesBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.packet.length._case.PacketLengths;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.packet.length._case.PacketLengthsBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.port._case.Ports;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.port._case.PortsBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.protocol.ip._case.ProtocolIps;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.protocol.ip._case.ProtocolIpsBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.source.port._case.SourcePorts;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.source.port._case.SourcePortsBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.tcp.flags._case.TcpFlags;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.flowspec.destination.flowspec.flowspec.type.tcp.flags._case.TcpFlagsBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecCaseBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.flowspec._case.DestinationFlowspecBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1Builder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2Builder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlriBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
  85
  86 public class FSNlriParserTest {
  87
  88     private static final byte[] nlri = new byte[] { 0x1D, 01, 0x18, 0x0a, 00, 01, 02, 0x08, (byte) 0xc0,
  89         03, (byte) 0x81, 06, 04, 03, (byte) 0x89, 0x45, (byte) 0x8b, (byte) 0x91, 0x1f, (byte) 0x90,
  90         05, 0x12, 0x0f, (byte)0xf9, (byte)0x81, (byte)0xb3,
  91         06, (byte) 0x91, 0x1f, (byte)0x90};
  92
  93     private static final byte[] unnlri = new byte[] { 0x1B, 07, 4, 2, (byte)0x84, 3,
  94         0x08, 06, 04, (byte)0x80, 05,
  95         0x09, 0x12, 04, 01, (byte)0x91, 0x56, (byte) 0xb1,
  96         0x0a, (byte)0x96, (byte) 0xde, (byte) 0xad,
  97         0x0b, (byte)0x86, 0x2a,
  98         0x0c, (byte)0x81, (byte)0x0f};
  99
 100     @Test
 101     public void testParseLength() {
 102         // 00-00-0000 = 1
 103         assertEquals(1, FSNlriParser.parseLength((byte)0x00));
 104         // 00-01-0000 = 2
 105         assertEquals(2, FSNlriParser.parseLength((byte)16));
 106         // 00-10-0000 = 4
 107         assertEquals(4, FSNlriParser.parseLength((byte)32));
 108         // 00-11-0000 = 8
 109         assertEquals(8, FSNlriParser.parseLength((byte)48));
 110     }
 111
 112
 113     @Test
 114     public void testParseMpReachNlri() throws BGPParsingException {
 115         final List<Flowspec> fs = new ArrayList<>();
 116         final MpReachNlriBuilder mp = new MpReachNlriBuilder();
 117
 118         final FlowspecBuilder builder = new FlowspecBuilder();
 119         builder.setComponentType(ComponentType.DestinationPrefix);
 120         final DestinationPrefixCase destinationPrefix = new DestinationPrefixCaseBuilder().setDestinationPrefix(new Ipv4Prefix("10.0.1.0/24")).build();
 121         builder.setFlowspecType(destinationPrefix);
 122         fs.add(builder.build());
 123         builder.setComponentType(ComponentType.SourcePrefix);
 124         final SourcePrefixCase sourcePrefix = new SourcePrefixCaseBuilder().setSourcePrefix(new Ipv4Prefix("192.0.0.0/8")).build();
 125         builder.setFlowspecType(sourcePrefix);
 126         fs.add(builder.build());
 127
 128         builder.setComponentType(ComponentType.ProtocolIp);
 129         final List<ProtocolIps> protocols = Lists.newArrayList(new ProtocolIpsBuilder().setOp(new NumericOperand(false, true, true, false, false)).setValue(6).build());
 130         final ProtocolIpCase prots = new ProtocolIpCaseBuilder().setProtocolIps(protocols).build();
 131         builder.setFlowspecType(prots);
 132         fs.add(builder.build());
 133
 134         builder.setComponentType(ComponentType.Port);
 135         final List<Ports> ports = Lists.newArrayList(new PortsBuilder().setOp(new NumericOperand(false, false, true, true, false)).setValue(137).build(),
 136             new PortsBuilder().setOp(new NumericOperand(true, false, true, false, true)).setValue(139).build(),
 137             new PortsBuilder().setOp(new NumericOperand(false, true, true, false, false)).setValue(8080).build());
 138         final PortCase ps = new PortCaseBuilder().setPorts(ports).build();
 139         builder.setFlowspecType(ps);
 140         fs.add(builder.build());
 141
 142         builder.setComponentType(ComponentType.DestinationPort);
 143         final List<DestinationPorts> destports = Lists.newArrayList(new DestinationPortsBuilder().setOp(new NumericOperand(false, false, false, true, false)).setValue(4089).build(),
 144             new DestinationPortsBuilder().setOp(new NumericOperand(false, true, true, false, false)).setValue(179).build());
 145         final DestinationPortCase dps = new DestinationPortCaseBuilder().setDestinationPorts(destports).build();
 146         builder.setFlowspecType(dps);
 147         fs.add(builder.build());
 148
 149         builder.setComponentType(ComponentType.SourcePort);
 150         final List<SourcePorts> sports = Lists.newArrayList(new SourcePortsBuilder().setOp(new NumericOperand(false, true, true, false, false)).setValue(8080).build());
 151         final SourcePortCase sps = new SourcePortCaseBuilder().setSourcePorts(sports).build();
 152         builder.setFlowspecType(sps);
 153         fs.add(builder.build());
 154
 155         mp.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationFlowspecCaseBuilder().setDestinationFlowspec(new DestinationFlowspecBuilder().setFlowspec(fs).build()).build()).build());
 156
 157         final FSNlriParser parser = new FSNlriParser();
 158
 159         final MpReachNlriBuilder result = new MpReachNlriBuilder();
 160         parser.parseNlri(Unpooled.wrappedBuffer(nlri), result);
 161
 162         final List<Flowspec> flows = ((DestinationFlowspecCase)(result.getAdvertizedRoutes().getDestinationType())).getDestinationFlowspec().getFlowspec();
 163         assertEquals(6, flows.size());
 164         assertEquals(destinationPrefix, flows.get(0).getFlowspecType());
 165         assertEquals(sourcePrefix, flows.get(1).getFlowspecType());
 166         assertEquals(prots, flows.get(2).getFlowspecType());
 167         assertEquals(ps, flows.get(3).getFlowspecType());
 168         assertEquals(dps, flows.get(4).getFlowspecType());
 169         assertEquals(sps, flows.get(5).getFlowspecType());
 170
 171         final ByteBuf buffer = Unpooled.buffer();
 172         parser.serializeAttribute(new PathAttributesBuilder().addAugmentation(PathAttributes1.class, new PathAttributes1Builder().setMpReachNlri(mp.build()).build()).build(), buffer);
 173         assertArrayEquals(nlri, ByteArray.readAllBytes(buffer));
 174     }
 175
 176     @Test
 177     public void testParseMpUnreachNlri() throws BGPParsingException {
 178         final List<Flowspec> fs = new ArrayList<>();
 179         final MpUnreachNlriBuilder mp = new MpUnreachNlriBuilder();
 180
 181         final FlowspecBuilder builder = new FlowspecBuilder();
 182
 183         builder.setComponentType(ComponentType.IcmpType);
 184         final List<Types> types = Lists.newArrayList(new TypesBuilder().setOp(new NumericOperand(false, false, false, false, true)).setValue((short) 2).build(),
 185             new TypesBuilder().setOp(new NumericOperand(false, true, false, false, true)).setValue((short) 3).build());
 186         final IcmpTypeCase icmpType = new IcmpTypeCaseBuilder().setTypes(types).build();
 187         builder.setFlowspecType(icmpType);
 188         fs.add(builder.build());
 189
 190         builder.setComponentType(ComponentType.IcmpCode);
 191         final List<Codes> codes = Lists.newArrayList(new CodesBuilder().setOp(new NumericOperand(false, false, false, true, true)).setValue((short) 4).build(),
 192             new CodesBuilder().setOp(new NumericOperand(false, true, false, false, false)).setValue((short) 5).build());
 193         final IcmpCodeCase icmpCode = new IcmpCodeCaseBuilder().setCodes(codes).build();
 194         builder.setFlowspecType(icmpCode);
 195         fs.add(builder.build());
 196
 197         builder.setComponentType(ComponentType.TcpFlags);
 198         final List<TcpFlags> flags = Lists.newArrayList(new TcpFlagsBuilder().setOp(new BitmaskOperand(false, false, false, true)).setValue(1025).build(),
 199             new TcpFlagsBuilder().setOp(new BitmaskOperand(false, true, true, false)).setValue(22193).build());
 200         final TcpFlagsCase tcp = new TcpFlagsCaseBuilder().setTcpFlags(flags).build();
 201         builder.setFlowspecType(tcp);
 202         fs.add(builder.build());
 203
 204         builder.setComponentType(ComponentType.PacketLength);
 205         final List<PacketLengths> packets = Lists.newArrayList(new PacketLengthsBuilder().setOp(new NumericOperand(false, true, false, true, true)).setValue(57005).build());
 206         final PacketLengthCase packet = new PacketLengthCaseBuilder().setPacketLengths(packets).build();
 207         builder.setFlowspecType(packet);
 208         fs.add(builder.build());
 209
 210         builder.setComponentType(ComponentType.Dscp);
 211         final List<Dscps> dscps = Lists.newArrayList(new DscpsBuilder().setOp(new NumericOperand(false, true, false, true, true)).setValue(new Dscp((short) 42)).build());
 212         final DscpCase dscp = new DscpCaseBuilder().setDscps(dscps).build();
 213         builder.setFlowspecType(dscp);
 214         fs.add(builder.build());
 215
 216         builder.setComponentType(ComponentType.Fragment);
 217         final List<Fragments> fragments = Lists.newArrayList(new FragmentsBuilder().setOp(new BitmaskOperand(false, true, true, false)).setValue(new Fragment(true, true, true, true)).build());
 218         final FragmentCase fragment = new FragmentCaseBuilder().setFragments(fragments).build();
 219         builder.setFlowspecType(fragment);
 220         fs.add(builder.build());
 221
 222         mp.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(
 223             new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecCaseBuilder().setDestinationFlowspec(
 224                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.flowspec._case.DestinationFlowspecBuilder().setFlowspec(fs).build()).build()).build());
 225
 226         final FSNlriParser parser = new FSNlriParser();
 227
 228         final MpUnreachNlriBuilder result = new MpUnreachNlriBuilder();
 229         parser.parseNlri(Unpooled.wrappedBuffer(unnlri), result);
 230
 231         final List<Flowspec> flows = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150114.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecCase)(result.getWithdrawnRoutes().getDestinationType())).getDestinationFlowspec().getFlowspec();
 232         assertEquals(6, flows.size());
 233         assertEquals(icmpType, flows.get(0).getFlowspecType());
 234         assertEquals(icmpCode, flows.get(1).getFlowspecType());
 235         assertEquals(tcp, flows.get(2).getFlowspecType());
 236         assertEquals(packet, flows.get(3).getFlowspecType());
 237         assertEquals(dscp, flows.get(4).getFlowspecType());
 238         assertEquals(fragment, flows.get(5).getFlowspecType());
 239
 240         final ByteBuf buffer = Unpooled.buffer();
 241         parser.serializeAttribute(new PathAttributesBuilder().addAugmentation(PathAttributes2.class, new PathAttributes2Builder().setMpUnreachNlri(mp.build()).build()).build(), buffer);
 242         assertArrayEquals(unnlri, ByteArray.readAllBytes(buffer));
 243     }
 244 }