2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.linkstate;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertFalse;
13 import static org.junit.Assert.assertNotNull;
14 import static org.junit.Assert.assertTrue;
16 import com.google.common.collect.Lists;
18 import io.netty.buffer.ByteBuf;
19 import io.netty.buffer.Unpooled;
21 import java.lang.reflect.Constructor;
22 import java.lang.reflect.InvocationTargetException;
23 import java.util.Arrays;
25 import org.junit.Test;
26 import org.opendaylight.protocol.bgp.linkstate.attribute.LinkAttributesParser;
27 import org.opendaylight.protocol.bgp.linkstate.attribute.LinkstateAttributeParser;
28 import org.opendaylight.protocol.bgp.linkstate.attribute.NodeAttributesParser;
29 import org.opendaylight.protocol.bgp.linkstate.attribute.PrefixAttributesParser;
30 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
31 import org.opendaylight.protocol.util.ByteArray;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkProtectionType;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateAddressFamily;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateSubsequentAddressFamily;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.PathAttributes1;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.ObjectType;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestinationBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.LinkCaseBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.NodeCaseBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.PrefixCaseBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.prefix._case.PrefixDescriptorsBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.LinkAttributesCase;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.NodeAttributesCase;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.PrefixAttributesCase;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributes;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCaseBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1Builder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2Builder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.destination.type.DestinationIpv4CaseBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.destination.type.DestinationIpv6CaseBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlriBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
63 public class LinkstateAttributeParserTest {
65 private static final byte[] LINK_ATTR = { 0x04, 0x04, 0, 0x04, 0x2a, 0x2a, 0x2a, 0x2a, 0x04, 0x06, 0, 0x04, 0x2b, 0x2b, 0x2b, 0x2b,
66 0x04, 0x40, 0, 0x04, 0, 0, 0, 0, 0x04, 0x41, 0, 0x04, 0x49, (byte) 0x98, (byte) 0x96, (byte) 0x80, 0x04, 0x42, 0, 0x04,
67 0x46, 0x43, 0x50, 0, 0x04, 0x43, 0, 0x20, 0x46, 0x43, 0x50, 0, 0x46, 0x43, 0x50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
68 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x04, 0x44, 0, 0x08, 0, 0, 0, 0, 0, 0, 0, 0, 0x04, 0x45, 0, 0x02, 0, 0x08, 0x04, 0x46, 0, 0x01,
69 (byte) 0xc0, 0x04, 0x47, 0, 0x03, 0, 0, 0x0a, 0x04, 0x48, 0, 0x08, 0x12, 0x34, 0x56, 0x78, 0x10, 0x30, 0x50, 0x70, 0x04, 0x4a,
70 0, 0x05, 0x31, 0x32, 0x4b, 0x2d, 0x32, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
72 private static final byte[] NODE_ATTR = { 0x01, 0x07, 0, 0x04, 0, 0x2a, 0, 0x2b, 0x04, 0, 0, 0x01, (byte) 0xb0, 0x04, 0x02, 0,
73 0x05, 0x31, 0x32, 0x4b, 0x2d, 0x32, 0x04, 0x03, 0, 0x01, 0x72, 0x04, 0x03, 0, 0x01, 0x73, 0x04, 0x04, 0, 0x04,
74 0x29, 0x29, 0x29, 0x29, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
76 private static final byte[] NODE_ATTR_S = { 0x01, 0x07, 0, 0x04, 0, 0x2a, 0, 0x2b, 0x04, 0, 0, 0x01, (byte) 0xb0, 0x04, 0x02, 0,
77 0x05, 0x31, 0x32, 0x4b, 0x2d, 0x32, 0x04, 0x03, 0, 0x01, 0x73, 0x04, 0x03, 0, 0x01, 0x72, 0x04, 0x04, 0, 0x04,
78 0x29, 0x29, 0x29, 0x29};
80 private static final byte[] P4_ATTR = { 0x04, (byte) 0x80, 0, 0x01, (byte) 0x80, 0x04, (byte) 0x81, 0, 0x08, 0x12, 0x34, 0x56, 0x78,
81 0x10, 0x30, 0x50, 0x70, 0x04, (byte) 0x82, 0, 0x08, 0x12, 0x34, 0x56, 0x78, 0x10, 0x30, 0x50, 0x70, 0x04, (byte) 0x84, 0, 0x04, 0x0a, 0x19, 0x02, 0x1b,
82 0x04, (byte) 0x83, 0, 0x04, 0, 0, 0, 0x0a, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
84 private final LinkstateAttributeParser parser = new LinkstateAttributeParser(false);
86 private static PathAttributesBuilder createBuilder(final ObjectType type) {
87 return new PathAttributesBuilder().addAugmentation(
88 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1.class,
89 new PathAttributes1Builder().setMpReachNlri(
90 new MpReachNlriBuilder().setAfi(LinkstateAddressFamily.class).setSafi(LinkstateSubsequentAddressFamily.class).setAdvertizedRoutes(
91 new AdvertizedRoutesBuilder().setDestinationType(
92 new DestinationLinkstateCaseBuilder().setDestinationLinkstate(
93 new DestinationLinkstateBuilder().setCLinkstateDestination(
94 Lists.newArrayList(new CLinkstateDestinationBuilder().setObjectType(type).build())).build()).build()).build()).build()).build());
97 private static PathAttributesBuilder createUnreachBuilder(final ObjectType type) {
98 return new PathAttributesBuilder().addAugmentation(
99 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2.class,
100 new PathAttributes2Builder().setMpUnreachNlri(
101 new MpUnreachNlriBuilder().setAfi(LinkstateAddressFamily.class).setSafi(LinkstateSubsequentAddressFamily.class).setWithdrawnRoutes(
102 new WithdrawnRoutesBuilder().setDestinationType(
103 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder().setDestinationLinkstate(
104 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder().setCLinkstateDestination(
105 Lists.newArrayList(new CLinkstateDestinationBuilder().setObjectType(type).build())).build()).build()).build()).build()).build());
109 public void testGetNlriType() throws BGPParsingException {
110 final ByteBuf b = Unpooled.buffer();
111 PathAttributesBuilder builder = new PathAttributesBuilder();
112 this.parser.parseAttribute(b, builder);
113 assertEquals(0, b.readableBytes());
114 builder = new PathAttributesBuilder();
116 final PathAttributes1Builder builder1 = new PathAttributes1Builder();
117 builder.addAugmentation(PathAttributes1.class, builder1.build());
118 this.parser.parseAttribute(b, builder);
119 assertEquals(0, b.readableBytes());
120 builder = new PathAttributesBuilder();
122 builder.addAugmentation(PathAttributes1.class, builder1.setMpReachNlri(
123 new MpReachNlriBuilder().setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv4CaseBuilder().build()).build()).build()).build());
124 this.parser.parseAttribute(b, builder);
125 assertEquals(0, b.readableBytes());
126 builder = new PathAttributesBuilder();
128 final PathAttributes2Builder builder2 = new PathAttributes2Builder();
129 builder.addAugmentation(PathAttributes2.class, builder2.build());
130 this.parser.parseAttribute(b, builder);
131 assertEquals(0, b.readableBytes());
132 builder = new PathAttributesBuilder();
134 builder.addAugmentation(PathAttributes2.class, builder2.setMpUnreachNlri(
135 new MpUnreachNlriBuilder().setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(new DestinationIpv6CaseBuilder().build()).build()).build()).build());
136 this.parser.parseAttribute(b, builder);
137 assertEquals(0, b.readableBytes());
141 public void testPositiveLinks() throws BGPParsingException {
142 final PathAttributesBuilder builder = createBuilder(new LinkCaseBuilder().build());
143 this.parser.parseAttribute(Unpooled.copiedBuffer(LINK_ATTR), builder);
144 final PathAttributes1 attrs = builder.getAugmentation(PathAttributes1.class);
145 final LinkAttributes ls = ((LinkAttributesCase) attrs.getLinkstatePathAttribute().getLinkStateAttribute()).getLinkAttributes();
148 assertEquals("42.42.42.42", ls.getLocalIpv4RouterId().getValue());
149 assertEquals("43.43.43.43", ls.getRemoteIpv4RouterId().getValue());
150 assertEquals(Long.valueOf(0L), ls.getAdminGroup().getValue());
151 assertArrayEquals(new byte[] { (byte) 0x49, (byte) 0x98, (byte) 0x96, (byte) 0x80 }, ls.getMaxLinkBandwidth().getValue());
152 assertArrayEquals(new byte[] { (byte) 0x46, (byte) 0x43, (byte) 0x50, (byte) 0x00 }, ls.getMaxReservableBandwidth().getValue());
153 assertNotNull(ls.getUnreservedBandwidth());
154 assertEquals(8, ls.getUnreservedBandwidth().size());
155 assertEquals(LinkProtectionType.Dedicated1to1, ls.getLinkProtection());
156 assertTrue(ls.getMplsProtocol().isLdp());
157 assertTrue(ls.getMplsProtocol().isRsvpte());
158 assertEquals(new Long(10), ls.getMetric().getValue());
159 assertEquals(2, ls.getSharedRiskLinkGroups().size());
160 assertEquals(305419896, ls.getSharedRiskLinkGroups().get(0).getValue().intValue());
161 assertEquals("12K-2", ls.getLinkName());
164 final ByteBuf buff = Unpooled.buffer();
165 this.parser.serializeAttribute(builder.build(), buff);
167 // there is unresolved TLV at the end, that needs to be cut off
168 assertArrayEquals(ByteArray.subByte(LINK_ATTR, 0, LINK_ATTR.length -5), ByteArray.getAllBytes(buff));
172 public void testPositiveNodes() throws BGPParsingException {
173 final PathAttributesBuilder builder = createBuilder(new NodeCaseBuilder().build());
174 this.parser.parseAttribute(Unpooled.copiedBuffer(NODE_ATTR), builder);
176 final PathAttributes1 attrs = builder.getAugmentation(PathAttributes1.class);
177 final NodeAttributes ls = ((NodeAttributesCase) attrs.getLinkstatePathAttribute().getLinkStateAttribute()).getNodeAttributes();
180 assertEquals(2, ls.getTopologyIdentifier().size());
181 assertEquals(42, ls.getTopologyIdentifier().get(0).getValue().intValue());
182 assertTrue(ls.getNodeFlags().isOverload());
183 assertFalse(ls.getNodeFlags().isAttached());
184 assertTrue(ls.getNodeFlags().isExternal());
185 assertTrue(ls.getNodeFlags().isAbr());
187 assertEquals("12K-2", ls.getDynamicHostname());
188 assertEquals(2, ls.getIsisAreaId().size());
189 assertEquals("41.41.41.41", ls.getIpv4RouterId().getValue());
192 final ByteBuf buff = Unpooled.buffer();
193 this.parser.serializeAttribute(builder.build(), buff);
195 // there is unresolved TLV at the end, that needs to be cut off
196 assertTrue(Arrays.equals(ByteArray.subByte(NODE_ATTR, 0, NODE_ATTR.length -5), ByteArray.getAllBytes(buff)) || Arrays.equals(NODE_ATTR_S, ByteArray.getAllBytes(buff)));
200 public void testPositiveV4Prefixes() throws BGPParsingException {
201 final PathAttributesBuilder builder = createUnreachBuilder(new PrefixCaseBuilder().setPrefixDescriptors(new PrefixDescriptorsBuilder().setIpReachabilityInformation(new IpPrefix(new Ipv4Prefix("127.0.0.1/32"))).build()).build());
202 this.parser.parseAttribute(Unpooled.copiedBuffer(P4_ATTR), builder);
204 final PathAttributes1 attrs = builder.getAugmentation(PathAttributes1.class);
205 final PrefixAttributes ls = ((PrefixAttributesCase) attrs.getLinkstatePathAttribute().getLinkStateAttribute()).getPrefixAttributes();
208 assertTrue(ls.getIgpBits().getUpDown().isUpDown());
209 assertEquals(2, ls.getRouteTags().size());
210 assertArrayEquals(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78 }, ls.getRouteTags().get(0).getValue());
211 assertEquals(1, ls.getExtendedTags().size());
212 assertArrayEquals(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x10, (byte) 0x30, (byte) 0x50,
213 (byte) 0x70 }, ls.getExtendedTags().get(0).getValue());
214 assertEquals(10, ls.getPrefixMetric().getValue().intValue());
215 assertEquals("10.25.2.27", ls.getOspfForwardingAddress().getIpv4Address().getValue());
218 final ByteBuf buff = Unpooled.buffer();
219 this.parser.serializeAttribute(builder.build(), buff);
221 // there is unresolved TLV at the end, that needs to be cut off
222 assertArrayEquals(ByteArray.subByte(P4_ATTR, 0, P4_ATTR.length -5), ByteArray.getAllBytes(buff));
225 @Test(expected=UnsupportedOperationException.class)
226 public void testLinkAttributesPrivateConstructor() throws Throwable {
227 final Constructor<LinkAttributesParser> c = LinkAttributesParser.class.getDeclaredConstructor();
228 c.setAccessible(true);
231 } catch (final InvocationTargetException e) {
236 @Test(expected=UnsupportedOperationException.class)
237 public void testNodeAttributesPrivateConstructor() throws Throwable {
238 final Constructor<NodeAttributesParser> c = NodeAttributesParser.class.getDeclaredConstructor();
239 c.setAccessible(true);
242 } catch (final InvocationTargetException e) {
247 @Test(expected=UnsupportedOperationException.class)
248 public void testPrefixAttributesPrivateConstructor() throws Throwable {
249 final Constructor<PrefixAttributesParser> c = PrefixAttributesParser.class.getDeclaredConstructor();
250 c.setAccessible(true);
253 } catch (final InvocationTargetException e) {