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

Example 11 with ExtendedCommunities

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

the class ExtendedCommunitiesAttributeParser method parseAttribute.

@Override
public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder, final RevisedErrorHandling errorHandling, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException, BGPTreatAsWithdrawException {
    final int readable = buffer.readableBytes();
    if (errorHandling != RevisedErrorHandling.NONE) {
        if (readable == 0) {
            throw new BGPTreatAsWithdrawException(BGPError.ATTR_LENGTH_ERROR, "Empty Extended Community attribute");
        }
    }
    if (readable % 8 != 0) {
        throw errorHandling.reportError(BGPError.ATTR_LENGTH_ERROR, "Extended Community attribute length must be a multiple of 8, have %s", readable);
    }
    final List<ExtendedCommunities> set = new ArrayList<>(readable / 8);
    while (buffer.isReadable()) {
        final ExtendedCommunities exComm;
        try {
            // FIXME: BGPCEP-359: revise API contract here
            exComm = this.ecReg.parseExtendedCommunity(buffer);
        } catch (BGPParsingException e) {
            throw errorHandling.reportError(BGPError.MALFORMED_ATTR_LIST, e, "Failed to parse extended community");
        }
        if (exComm != null) {
            set.add(exComm);
        }
    }
    builder.setExtendedCommunities(set);
}

Example 12 with ExtendedCommunities

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

the class BGPParserTest method testGetUpdateMessage4.

/*
     * Tests empty AS_PATH, ORIGIN.EGP, LOCAL_PREF, EXTENDED_COMMUNITIES (Ipv4 Addr specific)
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 4A <- length (73) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 27 <- total path attribute length (39)
     * 40 <- attribute flags
     * 01 <- attribute type code (Origin)
     * 01 <- attribute length
     * 01 <- Origin value (EGP)
     * 40 <- attribute flags
     * 02 <- attribute type code (As path)
     * 00 <- attribute length
     * 40 <- attribute flags
     * 03 <- attribute type (Next hop)
     * 04 <- attribute length
     * 03 03 03 03 <- value (3.3.3.3)
     * 80 <- attribute flags
     * 04 <- attribute type code (Multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * 40 <- attribute flags
     * 05 <- attribute type (Local Pref)
     * 04 <- attribute length
     * 00 00 00 64 <- value (100)
     * c0 <- attribute flags
     * 10 <- attribute type (extended community)
     * 08 <- attribute length
     * 01 04 <- value (type - Ipv4 Address Specific Extended Community)
     * c0 a8 01 00 <- value (global adm. 198.162.1.0)
     * 12 34 <- value (local adm. 4660)
     *
     * //NLRI
     * 18 0a 1e 03 <- IPv4 Prefix (10.30.3.0 / 24)
     * 18 0a 1e 02 <- IPv4 Prefix (10.30.2.0 / 24)
     * 18 0a 1e 01 <- IPv4 Prefix (10.30.1.0 / 24)
     */
@Test
public void testGetUpdateMessage4() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(3), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(3), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    final UpdateBuilder builder = new UpdateBuilder();
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // check nlri
    final List<Nlri> nlris = new ArrayList<>();
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.3.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.2.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("10.30.1.0/24")).build());
    assertEquals(nlris, message.getNlri());
    builder.setNlri(nlris);
    // attributes
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("3.3.3.3")).build()).build();
    final List<ExtendedCommunities> comms = new ArrayList<>();
    comms.add(new ExtendedCommunitiesBuilder().setTransitive(true).setExtendedCommunity(new RouteTargetIpv4CaseBuilder().setRouteTargetIpv4(new RouteTargetIpv4Builder().setGlobalAdministrator(new Ipv4AddressNoZone("192.168.1.0")).setLocalAdministrator(Uint16.valueOf(4660)).build()).build()).build());
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
    assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(List.of()).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.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build());
    assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
    paBuilder.setExtendedCommunities(comms);
    assertEquals(paBuilder.getExtendedCommunities(), attrs.getExtendedCommunities());
    paBuilder.setUnrecognizedAttributes(Map.of());
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(3), ByteArray.readAllBytes(buffer));
}

Example 13 with ExtendedCommunities

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

the class ExtendedCommunitiesAttributeParserTest method testEmptyListExtendedCommunityAttributeParser.

@Test
public void testEmptyListExtendedCommunityAttributeParser() throws BGPDocumentedException, BGPParsingException {
    final List<ExtendedCommunities> extendedCommunitiesList = new ArrayList<>();
    final AttributesBuilder attBuilder = new AttributesBuilder().setExtendedCommunities(extendedCommunitiesList);
    final ByteBuf output = Unpooled.buffer();
    this.handler.serializeAttribute(attBuilder.build(), output);
    assertEquals(output, output);
}

Example 14 with ExtendedCommunities

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

the class SimpleExtendedCommunityRegistryTest method testExtendedCommunityRegistryUnknown.

@Test
public void testExtendedCommunityRegistryUnknown() throws BGPDocumentedException, BGPParsingException {
    final ByteBuf output = Unpooled.buffer();
    this.register.serializeExtendedCommunity(new ExtendedCommunitiesBuilder().setTransitive(false).setExtendedCommunity(new RouteOriginIpv4CaseBuilder().build()).build(), output);
    // no ex. community was serialized
    Assert.assertEquals(0, output.readableBytes());
    verify(this.serializer, never()).serializeExtendedCommunity(any(ExtendedCommunity.class), any(ByteBuf.class));
    final ExtendedCommunities noExtCommunity = this.register.parseExtendedCommunity(Unpooled.copiedBuffer(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }));
    // no ext. community was parsed
    assertNull(noExtCommunity);
    verify(this.parser, never()).parseExtendedCommunity(any(ByteBuf.class));
}

Example 15 with ExtendedCommunities

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

the class SimpleExtendedCommunityRegistry method parseExtendedCommunity.

@Override
public ExtendedCommunities parseExtendedCommunity(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
    final short type = buffer.readUnsignedByte();
    final short subtype = buffer.readUnsignedByte();
    final ExtendedCommunityParser parser = this.handlers.getParser(createKey(type, subtype));
    if (parser == null) {
        buffer.skipBytes(EXTENDED_COMMUNITY_LENGTH);
        LOG.info("Skipping unknown extended-community type/sub-type {}/{}.", type, subtype);
        return null;
    }
    return new ExtendedCommunitiesBuilder().setTransitive(isTransitive(type)).setExtendedCommunity(parser.parseExtendedCommunity(buffer)).build();
}