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;
17 import io.netty.buffer.ByteBuf;
18 import io.netty.buffer.Unpooled;
19 import java.lang.reflect.Constructor;
20 import java.lang.reflect.InvocationTargetException;
21 import java.util.Arrays;
22 import org.junit.Test;
23 import org.opendaylight.protocol.bgp.linkstate.attribute.LinkAttributesParser;
24 import org.opendaylight.protocol.bgp.linkstate.attribute.LinkstateAttributeParser;
25 import org.opendaylight.protocol.bgp.linkstate.attribute.NodeAttributesParser;
26 import org.opendaylight.protocol.bgp.linkstate.attribute.PrefixAttributesParser;
27 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
28 import org.opendaylight.protocol.util.ByteArray;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.Attributes1;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkProtectionType;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateAddressFamily;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateSubsequentAddressFamily;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.ObjectType;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestinationBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.LinkCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.NodeCaseBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.PrefixCaseBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.prefix._case.PrefixDescriptorsBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.LinkAttributesCase;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.NodeAttributesCase;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.PrefixAttributesCase;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributes;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCaseBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
59 public class LinkstateAttributeParserTest {
61 private static final byte[] LINK_ATTR = { 0x04, 0x04, 0, 0x04, 0x2a, 0x2a, 0x2a, 0x2a, 0x04, 0x06, 0, 0x04, 0x2b, 0x2b, 0x2b, 0x2b,
62 0x04, 0x40, 0, 0x04, 0, 0, 0, 0, 0x04, 0x41, 0, 0x04, 0x49, (byte) 0x98, (byte) 0x96, (byte) 0x80, 0x04, 0x42, 0, 0x04,
63 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,
64 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,
65 (byte) 0xc0, 0x04, 0x47, 0, 0x03, 0, 0, 0x0a, 0x04, 0x48, 0, 0x08, 0x12, 0x34, 0x56, 0x78, 0x10, 0x30, 0x50, 0x70, 0x04, 0x4a,
66 0, 0x05, 0x31, 0x32, 0x4b, 0x2d, 0x32, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
68 private static final byte[] NODE_ATTR = { 0x01, 0x07, 0, 0x04, 0, 0x2a, 0, 0x2b, 0x04, 0, 0, 0x01, (byte) 0xb0, 0x04, 0x02, 0,
69 0x05, 0x31, 0x32, 0x4b, 0x2d, 0x32, 0x04, 0x03, 0, 0x01, 0x72, 0x04, 0x03, 0, 0x01, 0x73, 0x04, 0x04, 0, 0x04,
70 0x29, 0x29, 0x29, 0x29, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
72 private static final byte[] NODE_ATTR_S = { 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, 0x73, 0x04, 0x03, 0, 0x01, 0x72, 0x04, 0x04, 0, 0x04,
74 0x29, 0x29, 0x29, 0x29};
76 private static final byte[] P4_ATTR = { 0x04, (byte) 0x80, 0, 0x01, (byte) 0x80, 0x04, (byte) 0x81, 0, 0x08, 0x12, 0x34, 0x56, 0x78,
77 0x10, 0x30, 0x50, 0x70, 0x04, (byte) 0x82, 0, 0x08, 0x12, 0x34, 0x56, 0x78, 0x10, 0x30, 0x50, 0x70,
78 0x04, (byte) 0x83, 0, 0x04, 0, 0, 0, 0x0a, 0x04, (byte) 0x84, 0, 0x04, 0x0a, 0x19, 0x02, 0x1b, 0x04, (byte) 0x88, 0, 0x01, 0x0a };
80 private final LinkstateAttributeParser parser = new LinkstateAttributeParser(false);
82 private static AttributesBuilder createBuilder(final ObjectType type) {
83 return new AttributesBuilder().addAugmentation(
84 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1.class,
85 new Attributes1Builder().setMpReachNlri(
86 new MpReachNlriBuilder().setAfi(LinkstateAddressFamily.class).setSafi(LinkstateSubsequentAddressFamily.class).setAdvertizedRoutes(
87 new AdvertizedRoutesBuilder().setDestinationType(
88 new DestinationLinkstateCaseBuilder().setDestinationLinkstate(
89 new DestinationLinkstateBuilder().setCLinkstateDestination(
90 Lists.newArrayList(new CLinkstateDestinationBuilder().setObjectType(type).build())).build()).build()).build()).build()).build());
93 private static AttributesBuilder createUnreachBuilder(final ObjectType type) {
94 return new AttributesBuilder().addAugmentation(
95 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2.class,
96 new Attributes2Builder().setMpUnreachNlri(
97 new MpUnreachNlriBuilder().setAfi(LinkstateAddressFamily.class).setSafi(LinkstateSubsequentAddressFamily.class).setWithdrawnRoutes(
98 new WithdrawnRoutesBuilder().setDestinationType(
99 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder().setDestinationLinkstate(
100 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder().setCLinkstateDestination(
101 Lists.newArrayList(new CLinkstateDestinationBuilder().setObjectType(type).build())).build()).build()).build()).build()).build());
105 public void testGetNlriType() throws BGPParsingException {
106 final ByteBuf b = Unpooled.buffer();
107 AttributesBuilder builder = new AttributesBuilder();
108 this.parser.parseAttribute(b, builder);
109 assertEquals(0, b.readableBytes());
110 builder = new AttributesBuilder();
112 final Attributes1Builder builder1 = new Attributes1Builder();
113 builder.addAugmentation(Attributes1.class, builder1.build());
114 this.parser.parseAttribute(b, builder);
115 assertEquals(0, b.readableBytes());
116 builder = new AttributesBuilder();
118 builder.addAugmentation(Attributes1.class, builder1.setMpReachNlri(
119 new MpReachNlriBuilder().setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv4CaseBuilder().build()).build()).build()).build());
120 this.parser.parseAttribute(b, builder);
121 assertEquals(0, b.readableBytes());
122 builder = new AttributesBuilder();
124 final Attributes2Builder builder2 = new Attributes2Builder();
125 builder.addAugmentation(Attributes2.class, builder2.build());
126 this.parser.parseAttribute(b, builder);
127 assertEquals(0, b.readableBytes());
128 builder = new AttributesBuilder();
130 builder.addAugmentation(Attributes2.class, builder2.setMpUnreachNlri(
131 new MpUnreachNlriBuilder().setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv6CaseBuilder().build()).build()).build()).build());
132 this.parser.parseAttribute(b, builder);
133 assertEquals(0, b.readableBytes());
137 public void testPositiveLinks() throws BGPParsingException {
138 final AttributesBuilder builder = createBuilder(new LinkCaseBuilder().build());
139 this.parser.parseAttribute(Unpooled.copiedBuffer(LINK_ATTR), builder);
140 final Attributes1 attrs = builder.getAugmentation(Attributes1.class);
141 final LinkAttributes ls = ((LinkAttributesCase) attrs.getLinkStateAttribute()).getLinkAttributes();
144 assertEquals("42.42.42.42", ls.getLocalIpv4RouterId().getValue());
145 assertEquals("43.43.43.43", ls.getRemoteIpv4RouterId().getValue());
146 assertEquals(Long.valueOf(0L), ls.getAdminGroup().getValue());
147 assertArrayEquals(new byte[] { (byte) 0x49, (byte) 0x98, (byte) 0x96, (byte) 0x80 }, ls.getMaxLinkBandwidth().getValue());
148 assertArrayEquals(new byte[] { (byte) 0x46, (byte) 0x43, (byte) 0x50, (byte) 0x00 }, ls.getMaxReservableBandwidth().getValue());
149 assertNotNull(ls.getUnreservedBandwidth());
150 assertEquals(8, ls.getUnreservedBandwidth().size());
151 assertEquals(LinkProtectionType.Dedicated1to1, ls.getLinkProtection());
152 assertTrue(ls.getMplsProtocol().isLdp());
153 assertTrue(ls.getMplsProtocol().isRsvpte());
154 assertEquals(new Long(10), ls.getMetric().getValue());
155 assertEquals(2, ls.getSharedRiskLinkGroups().size());
156 assertEquals(305419896, ls.getSharedRiskLinkGroups().get(0).getValue().intValue());
157 assertEquals("12K-2", ls.getLinkName());
160 final ByteBuf buff = Unpooled.buffer();
161 this.parser.serializeAttribute(builder.build(), buff);
163 // there is unresolved TLV at the end, that needs to be cut off
164 assertArrayEquals(ByteArray.subByte(LINK_ATTR, 0, LINK_ATTR.length -5), ByteArray.getAllBytes(buff));
168 public void testPositiveNodes() throws BGPParsingException {
169 final AttributesBuilder builder = createBuilder(new NodeCaseBuilder().build());
170 this.parser.parseAttribute(Unpooled.copiedBuffer(NODE_ATTR), builder);
172 final Attributes1 attrs = builder.getAugmentation(Attributes1.class);
173 final NodeAttributes ls = ((NodeAttributesCase) attrs.getLinkStateAttribute()).getNodeAttributes();
176 assertEquals(2, ls.getTopologyIdentifier().size());
177 assertEquals(42, ls.getTopologyIdentifier().get(0).getValue().intValue());
178 assertTrue(ls.getNodeFlags().isOverload());
179 assertFalse(ls.getNodeFlags().isAttached());
180 assertTrue(ls.getNodeFlags().isExternal());
181 assertTrue(ls.getNodeFlags().isAbr());
183 assertEquals("12K-2", ls.getDynamicHostname());
184 assertEquals(2, ls.getIsisAreaId().size());
185 assertEquals("41.41.41.41", ls.getIpv4RouterId().getValue());
188 final ByteBuf buff = Unpooled.buffer();
189 this.parser.serializeAttribute(builder.build(), buff);
191 // there is unresolved TLV at the end, that needs to be cut off
192 assertTrue(Arrays.equals(ByteArray.subByte(NODE_ATTR, 0, NODE_ATTR.length -5), ByteArray.getAllBytes(buff)) || Arrays.equals(NODE_ATTR_S, ByteArray.getAllBytes(buff)));
196 public void testPositiveV4Prefixes() throws BGPParsingException {
197 final AttributesBuilder builder = createUnreachBuilder(new PrefixCaseBuilder().setPrefixDescriptors(new PrefixDescriptorsBuilder().setIpReachabilityInformation(new IpPrefix(new Ipv4Prefix("127.0.0.1/32"))).build()).build());
198 this.parser.parseAttribute(Unpooled.copiedBuffer(P4_ATTR), builder);
200 final Attributes1 attrs = builder.getAugmentation(Attributes1.class);
201 final PrefixAttributes ls = ((PrefixAttributesCase) attrs.getLinkStateAttribute()).getPrefixAttributes();
204 assertTrue(ls.getIgpBits().getUpDown().isUpDown());
205 assertEquals(2, ls.getRouteTags().size());
206 assertArrayEquals(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78 }, ls.getRouteTags().get(0).getValue());
207 assertEquals(1, ls.getExtendedTags().size());
208 assertArrayEquals(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x10, (byte) 0x30, (byte) 0x50,
209 (byte) 0x70 }, ls.getExtendedTags().get(0).getValue());
210 assertEquals(10, ls.getPrefixMetric().getValue().intValue());
211 assertEquals("10.25.2.27", ls.getOspfForwardingAddress().getIpv4Address().getValue());
214 final ByteBuf buff = Unpooled.buffer();
215 this.parser.serializeAttribute(builder.build(), buff);
217 // there is unresolved TLV at the end, that needs to be cut off
218 assertArrayEquals(ByteArray.subByte(P4_ATTR, 0, P4_ATTR.length -5), ByteArray.getAllBytes(buff));
221 @Test(expected=UnsupportedOperationException.class)
222 public void testLinkAttributesPrivateConstructor() throws Throwable {
223 final Constructor<LinkAttributesParser> c = LinkAttributesParser.class.getDeclaredConstructor();
224 c.setAccessible(true);
227 } catch (final InvocationTargetException e) {
232 @Test(expected=UnsupportedOperationException.class)
233 public void testNodeAttributesPrivateConstructor() throws Throwable {
234 final Constructor<NodeAttributesParser> c = NodeAttributesParser.class.getDeclaredConstructor();
235 c.setAccessible(true);
238 } catch (final InvocationTargetException e) {
243 @Test(expected=UnsupportedOperationException.class)
244 public void testPrefixAttributesPrivateConstructor() throws Throwable {
245 final Constructor<PrefixAttributesParser> c = PrefixAttributesParser.class.getDeclaredConstructor();
246 c.setAccessible(true);
249 } catch (final InvocationTargetException e) {