Examples with AsPath org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath used on opensource projects

Example 11 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath in project bgpcep by opendaylight.

the class AsPathLengthTest method testASPathLengthGe.

@Test
public void testASPathLengthGe() {
    final AsPathBuilder asPath = new AsPathBuilder();
    asPath.setSegments(Collections.singletonList(new SegmentsBuilder().setAsSequence(Arrays.asList(AsNumber.getDefaultInstance("1"), AsNumber.getDefaultInstance("2"), AsNumber.getDefaultInstance("3"))).build()));
    Statement statement = this.basicStatements.stream().filter(st -> st.getName().equals("as-path-ge-length-test")).findFirst().get();
    RouteAttributeContainer attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    RouteAttributeContainer result = this.statementRegistry.applyExportStatement(this.baseAttributes, IPV4UNICAST.class, this.exportParameters, attributeContainer, statement);
    assertNull(result.getAttributes());
    asPath.setSegments(Collections.singletonList(new SegmentsBuilder().setAsSequence(Collections.singletonList(AsNumber.getDefaultInstance("3"))).build()));
    attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    result = this.statementRegistry.applyExportStatement(this.baseAttributes, IPV4UNICAST.class, this.exportParameters, attributeContainer, statement);
    assertNotNull(result.getAttributes());
}

Example 12 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath in project bgpcep by opendaylight.

the class SynchronizationAndExceptionTest method testHandleMessageAfterException.

@Test
public void testHandleMessageAfterException() {
    final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY, BasePathSelectionModeFactory.createBestPathSelectionStrategy());
    final RIBImpl ribImpl = new RIBImpl(this.tableRegistry, new RibId(RIB_ID), AS_NUMBER, new BgpId(RIB_ID), this.ribExtension, this.serverDispatcher, this.codecsRegistry, this.domBroker, this.policies, ImmutableList.of(this.ipv4tt), pathTables);
    ribImpl.instantiateServiceInstance();
    final BGPPeer bgpPeer = AbstractAddPathTest.configurePeer(this.tableRegistry, neighbor.getIpv4AddressNoZone(), ribImpl, null, PeerRole.Ibgp, this.serverRegistry, AFI_SAFIS_ADVERTIZED, Collections.emptySet());
    bgpPeer.instantiateServiceInstance();
    final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, this.speakerListener, this.classicOpen, this.classicOpen.getHoldTimer().toJava(), null);
    bgpSession.setChannelExtMsgCoder(this.classicOpen);
    bgpPeer.onSessionUp(bgpSession);
    final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
    final UpdateBuilder wrongMessage = new UpdateBuilder();
    wrongMessage.setNlri(nlris);
    final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
    final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
    final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
    final AttributesBuilder ab = new AttributesBuilder();
    wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
    final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
    correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build()).build());
    bgpSession.handleMessage(correct.build());
    verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class), any(NormalizedNode.class));
    bgpSession.handleMessage(wrongMessage.build());
    verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class), any(NormalizedNode.class));
    bgpSession.handleMessage(new UpdateBuilder().build());
    verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class), any(NormalizedNode.class));
    verify(this.tx).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
    verify(this.tx, times(0)).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH), eq(ImmutableNodes.leafNode(UPTODATE_NID, Boolean.TRUE)));
}

Example 13 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath in project bgpcep by opendaylight.

the class PeerTest method testClassicPeer.

@Test
public void testClassicPeer() throws Exception {
    this.classic = AbstractAddPathTest.configurePeer(this.tableRegistry, this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
    this.classic.instantiateServiceInstance();
    this.mockSession();
    assertEquals(this.neighborAddress.getIpv4AddressNoZone().getValue(), this.classic.getName());
    this.classic.onSessionUp(this.session);
    assertEquals("BGPPeer{name=127.0.0.1, tables=[TablesKey{_afi=interface org.opendaylight.yang.gen.v1" + ".urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily," + " _safi=interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types" + ".rev200120.UnicastSubsequentAddressFamily}]}", this.classic.toString());
    final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
    final UpdateBuilder ub = new UpdateBuilder();
    ub.setNlri(nlris);
    final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
    final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
    final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
    final AttributesBuilder ab = new AttributesBuilder();
    ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
    try {
        this.classic.onMessage(this.session, ub.build());
        fail();
    } catch (final BGPDocumentedException e) {
        assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
        assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
        assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
        assertArrayEquals(new byte[] { LocalPreferenceAttributeParser.TYPE }, e.getData());
    }
    assertEquals(0, this.routes.size());
    final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build();
    ub.setAttributes(ab.setLocalPref(localPref).build());
    this.classic.onMessage(this.session, ub.build());
    assertEquals(3, this.routes.size());
    // create new peer so that it gets advertized routes from RIB
    final BGPPeer testingPeer = AbstractAddPathTest.configurePeer(this.tableRegistry, this.neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
    testingPeer.instantiateServiceInstance();
    testingPeer.onSessionUp(this.session);
    assertEquals(3, this.routes.size());
    final Nlri n11 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n22 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.16/28")).build();
    final List<Nlri> nlris2 = Lists.newArrayList(n11, n22);
    ub.setNlri(nlris2);
    final WithdrawnRoutes w1 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final WithdrawnRoutes w2 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final WithdrawnRoutes w3 = new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<WithdrawnRoutes> wrs = Lists.newArrayList(w1, w2, w3);
    ub.setWithdrawnRoutes(wrs);
    this.classic.onMessage(this.session, ub.build());
    assertEquals(2, this.routes.size());
    this.classic.onMessage(this.session, new KeepaliveBuilder().build());
    this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(new AttributesBuilder().addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(new MpUnreachNlriBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build()).build()).build()).build());
    this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build());
    this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
    assertEquals(2, this.routes.size());
    this.classic.releaseConnection();
}

Example 14 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath in project bgpcep by opendaylight.

the class AsPathAttributeParser method serializeAttribute.

@Override
public void serializeAttribute(final Attributes pathAttributes, final ByteBuf byteAggregator) {
    final AsPath asPath = pathAttributes.getAsPath();
    if (asPath == null) {
        return;
    }
    final ByteBuf segmentsBuffer = Unpooled.buffer();
    if (asPath.getSegments() != null) {
        for (final Segments segments : asPath.getSegments()) {
            if (segments.getAsSequence() != null) {
                AsPathSegmentParser.serializeAsList(segments.getAsSequence(), SegmentType.AS_SEQUENCE, segmentsBuffer);
            } else if (segments.getAsSet() != null) {
                AsPathSegmentParser.serializeAsList(segments.getAsSet(), SegmentType.AS_SET, segmentsBuffer);
            } else {
                LOG.warn("Segment doesn't have AsSequence nor AsSet list.");
            }
        }
    }
    AttributeUtil.formatAttribute(AttributeUtil.TRANSITIVE, TYPE, segmentsBuffer, byteAggregator);
}

Example 15 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath in project bgpcep by opendaylight.

the class BGPParserTest method testGetUpdateMessage3.

/*
     * Tests more AS Numbers in AS_PATH, AGGREGATOR, ORIGIN.INCOMPLETE
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 4b <- length (75) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 30 <- total path attribute length (48)
     * 40 <- attribute flags
     * 01 <- attribute type code (origin)
     * 01 <- attribute length
     * 02 <- Origin value (Incomplete)
     * 40 <- attribute flags
     * 02 <- attribute type code (as path)
     * 10 <- attribute length
     * 02 <- AS_SEQUENCE
     * 01 <- path segment count
     * 00 00 00 1e <- path segment value (30)
     * 01 <- AS_SET
     * 02 <- path segment count
     * 00 00 00 0a <- path segment value (10)
     * 00 00 00 14 <- path segment value (20)
     * 40 <- attribute flags
     * 03 <- attribute type (Next hop)
     * 04 <- attribute length
     * 0a 00 00 09 <- value (10.0.0.9)
     * 80 <- attribute flags
     * 04 <- attribute type code (multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * c0 <- attribute flags
     * 07 <- attribute type (Aggregator)
     * 08 <- attribute length
     * 00 00 00 1e <- value (AS number = 30)
     * 0a 00 00 09 <- value (IP address = 10.0.0.9)
     *
     * //NLRI
     * 15 ac 10 00 <- IPv4 Prefix (172.16.0.0 / 21)
     */
@Test
public void testGetUpdateMessage3() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(2), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    final UpdateBuilder builder = new UpdateBuilder();
    // check nlri
    final List<Nlri> nlris = List.of(new NlriBuilder().setPrefix(new Ipv4Prefix("172.16.0.0/21")).build());
    builder.setNlri(nlris);
    assertEquals(builder.getNlri(), message.getNlri());
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final List<AsNumber> asNumbers = new ArrayList<>();
    asNumbers.add(new AsNumber(Uint32.valueOf(30)));
    final List<Segments> asPath = new ArrayList<>();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final List<AsNumber> asSet = List.of(new AsNumber(Uint32.TEN), new AsNumber(Uint32.valueOf(20)));
    asPath.add(new SegmentsBuilder().setAsSet(asSet).build());
    final Aggregator aggregator = new AggregatorBuilder().setAsNumber(new AsNumber(Uint32.valueOf(30))).setNetworkAddress(new Ipv4AddressNoZone("10.0.0.9")).build();
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("10.0.0.9")).build()).build();
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).build());
    assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setCNextHop(nextHop);
    assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(Uint32.ZERO).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setAggregator(aggregator);
    assertEquals(paBuilder.getAggregator(), attrs.getAggregator());
    paBuilder.setUnrecognizedAttributes(Map.of());
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(2), ByteArray.readAllBytes(buffer));
}