Examples with MpReachNlri org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri used on opensource projects

Example 31 with MpReachNlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri in project bgpcep by opendaylight.

the class SimpleRegistryTest method testMpReachIpv6.

@Test
public void testMpReachIpv6() throws BGPParsingException {
    final NlriRegistry nlriReg = this.ctx.getNlriRegistry();
    final byte[] mpReachBytes = { 0x00, 0x02, 0x01, 0x00, 0x00 };
    final MpReachNlri mpReach = new MpReachNlriBuilder().setAfi(Ipv6AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build();
    final ByteBuf buffer = Unpooled.buffer(mpReachBytes.length);
    nlriReg.serializeMpReach(mpReach, buffer);
    assertArrayEquals(mpReachBytes, buffer.array());
    assertEquals(mpReach, nlriReg.parseMpReach(Unpooled.wrappedBuffer(mpReachBytes), CONSTRAINT));
}

Example 32 with MpReachNlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri in project bgpcep by opendaylight.

the class SimpleNlriRegistry method parseMpReach.

@Override
public MpReachNlri parseMpReach(final ByteBuf buffer, final PeerSpecificParserConstraint constraint) throws BGPParsingException {
    final MpReachNlriBuilder builder = new MpReachNlriBuilder();
    final Class<? extends AddressFamily> afi = getAfi(buffer);
    final Class<? extends SubsequentAddressFamily> safi = getSafi(buffer);
    builder.setAfi(afi);
    builder.setSafi(safi);
    final BgpTableType key = createKey(builder.getAfi(), builder.getSafi());
    final int nextHopLength = buffer.readUnsignedByte();
    if (nextHopLength != 0) {
        final NextHopParserSerializer nextHopParser = this.nextHopParsers.get(key);
        if (nextHopParser != null) {
            builder.setCNextHop(nextHopParser.parseNextHop(buffer.readSlice(nextHopLength)));
        } else {
            builder.setCNextHop(NextHopUtil.parseNextHop(buffer.readSlice(nextHopLength)));
            LOG.warn("NexHop Parser/Serializer for AFI/SAFI ({},{}) not bound", afi, safi);
        }
    }
    buffer.skipBytes(RESERVED);
    final ByteBuf nlri = buffer.slice();
    final NlriParser parser = this.handlers.get(key);
    if (parser == null) {
        LOG.warn(PARSER_NOT_FOUND, key);
    } else {
        parser.parseNlri(nlri, builder, constraint);
    }
    return builder.build();
}

Example 33 with MpReachNlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri in project bgpcep by opendaylight.

the class SimpleNlriRegistry method serializeMpReach.

@Override
public void serializeMpReach(final MpReachNlri mpReachNlri, final ByteBuf byteAggregator) {
    final Class<? extends AddressFamily> afi = mpReachNlri.getAfi();
    final Class<? extends SubsequentAddressFamily> safi = mpReachNlri.getSafi();
    byteAggregator.writeShort(this.afiReg.numberForClass(afi));
    byteAggregator.writeByte(this.safiReg.numberForClass(safi));
    final CNextHop cNextHop = mpReachNlri.getCNextHop();
    if (cNextHop != null) {
        final Entry<Class<? extends CNextHop>, BgpTableType> key = new SimpleEntry(cNextHop.implementedInterface(), new BgpTableTypeImpl(afi, safi));
        final NextHopParserSerializer nextHopSerializer = this.nextHopSerializers.get(key);
        final ByteBuf nextHopBuffer = Unpooled.buffer();
        nextHopSerializer.serializeNextHop(cNextHop, nextHopBuffer);
        byteAggregator.writeByte(nextHopBuffer.writerIndex());
        byteAggregator.writeBytes(nextHopBuffer);
    } else {
        byteAggregator.writeByte(0);
    }
    byteAggregator.writeZero(RESERVED);
}

Example 34 with MpReachNlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri in project bgpcep by opendaylight.

the class BGPPeer method prefixesToMpReach.

/**
 * Creates MPReach for the prefixes to be handled in the same way as linkstate routes.
 *
 * @param message Update message containing prefixes in NLRI
 * @return MpReachNlri with prefixes from the nlri field
 */
private static MpReachNlri prefixesToMpReach(final Update message) {
    final List<Ipv4Prefixes> prefixes = message.getNlri().stream().map(n -> new Ipv4PrefixesBuilder().setPrefix(n.getPrefix()).setPathId(n.getPathId()).build()).collect(Collectors.toList());
    final MpReachNlriBuilder b = new MpReachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv4CaseBuilder().setDestinationIpv4(new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build());
    if (message.getAttributes() != null) {
        b.setCNextHop(message.getAttributes().getCNextHop());
    }
    return b.build();
}

Example 35 with MpReachNlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri in project bgpcep by opendaylight.

the class BGPPeer method onUpdateMessage.

/**
 * Process Update message received.
 * Calls {@link #checkMandatoryAttributesPresence(Update)} to check for presence of mandatory attributes.
 *
 * @param message Update message
 */
private synchronized void onUpdateMessage(final Update message) throws BGPDocumentedException {
    checkMandatoryAttributesPresence(message);
    // update AdjRibs
    final Attributes attrs = message.getAttributes();
    MpReachNlri mpReach;
    final boolean isAnyNlriAnnounced = message.getNlri() != null;
    if (isAnyNlriAnnounced) {
        mpReach = prefixesToMpReach(message);
    } else {
        mpReach = MessageUtil.getMpReachNlri(attrs);
    }
    if (mpReach != null) {
        this.ribWriter.updateRoutes(mpReach, nextHopToAttribute(attrs, mpReach));
    }
    final MpUnreachNlri mpUnreach;
    if (message.getWithdrawnRoutes() != null) {
        mpUnreach = prefixesToMpUnreach(message, isAnyNlriAnnounced);
    } else {
        mpUnreach = MessageUtil.getMpUnreachNlri(attrs);
    }
    final boolean endOfRib = BgpPeerUtil.isEndOfRib(message);
    if (mpUnreach != null) {
        if (endOfRib) {
            final TablesKey tablesKey = new TablesKey(mpUnreach.getAfi(), mpUnreach.getSafi());
            this.ribWriter.removeStaleRoutes(tablesKey);
            this.missingEOT.remove(tablesKey);
            handleGracefulEndOfRib();
        } else {
            this.ribWriter.removeRoutes(mpUnreach);
        }
    } else if (endOfRib) {
        this.ribWriter.removeStaleRoutes(IPV4_UCAST_TABLE_KEY);
        this.missingEOT.remove(IPV4_UCAST_TABLE_KEY);
        handleGracefulEndOfRib();
    }
}