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Example 11 with SubsequentAddressFamily

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily 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();
}
Also used : BgpTableType(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpTableType) MpReachNlriBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpReachNlriBuilder) NlriParser(org.opendaylight.protocol.bgp.parser.spi.NlriParser) ByteBuf(io.netty.buffer.ByteBuf) PeerSpecificParserConstraint(org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint) NextHopParserSerializer(org.opendaylight.protocol.bgp.parser.spi.NextHopParserSerializer)

Example 12 with SubsequentAddressFamily

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.

the class Ipv6NlriParser method prefixes.

private static DestinationIpv6 prefixes(final ByteBuf nlri, final PeerSpecificParserConstraint constraint, final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
    final List<Ipv6Prefixes> prefixes = new ArrayList<>();
    final boolean supported = MultiPathSupportUtil.isTableTypeSupported(constraint, new BgpTableTypeImpl(afi, safi));
    while (nlri.isReadable()) {
        final Ipv6PrefixesBuilder prefixesBuilder = new Ipv6PrefixesBuilder();
        if (supported) {
            prefixesBuilder.setPathId(PathIdUtil.readPathId(nlri));
        }
        prefixesBuilder.setPrefix(Ipv6Util.prefixForByteBuf(nlri));
        prefixes.add(prefixesBuilder.build());
    }
    return new DestinationIpv6Builder().setIpv6Prefixes(prefixes).build();
}
Also used : DestinationIpv6Builder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.DestinationIpv6Builder) Ipv6PrefixesBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder) ArrayList(java.util.ArrayList) Ipv6Prefixes(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.destination.ipv6.Ipv6Prefixes) BgpTableTypeImpl(org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl)

Example 13 with SubsequentAddressFamily

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.

the class BGPParserTest method testEORIpv6exLength.

/*
     * End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 1e <- length (29) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 07 <- total path attribute length
     * 90 <- attribute flags
     * 0f <- attribute type (15 - MP_UNREACH_NLRI)
     * 00 03 <- attribute length
     * 00 02 <- value (AFI 2: IPv6)
     * 01 <- value (SAFI 1)
     */
@Test
public void testEORIpv6exLength() throws Exception {
    final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
    final Class<? extends AddressFamily> afi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getAfi();
    final Class<? extends SubsequentAddressFamily> safi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getSafi();
    assertEquals(Ipv6AddressFamily.class, afi);
    assertEquals(UnicastSubsequentAddressFamily.class, safi);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));
}
Also used : Update(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Update) ByteBuf(io.netty.buffer.ByteBuf) PeerSpecificParserConstraint(org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint) Test(org.junit.Test)

Example 14 with SubsequentAddressFamily

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.

the class GracefulCapabilityHandler method serializeTables.

private void serializeTables(final List<Tables> tables, final ByteBuf bytes) {
    if (tables == null) {
        return;
    }
    for (final Tables t : tables) {
        final Class<? extends AddressFamily> afi = t.getAfi();
        final Integer afival = this.afiReg.numberForClass(afi);
        Preconditions.checkArgument(afival != null, "Unhandled address family " + afi);
        bytes.writeShort(afival);
        final Class<? extends SubsequentAddressFamily> safi = t.getSafi();
        final Integer safival = this.safiReg.numberForClass(safi);
        Preconditions.checkArgument(safival != null, "Unhandled subsequent address family " + safi);
        bytes.writeByte(safival);
        if (t.getAfiFlags() != null && t.getAfiFlags().isForwardingState()) {
            bytes.writeByte(AFI_FLAG_FORWARDING_STATE);
        } else {
            bytes.writeZero(1);
        }
    }
}
Also used : Tables(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.graceful.restart.capability.Tables)

Example 15 with SubsequentAddressFamily

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.

the class GracefulCapabilityHandler method parseCapability.

@Override
public CParameters parseCapability(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
    final GracefulRestartCapabilityBuilder cb = new GracefulRestartCapabilityBuilder();
    final int flagBits = (buffer.getByte(0) >> RESTART_FLAGS_SIZE);
    cb.setRestartFlags(new RestartFlags((flagBits & Byte.SIZE) != 0));
    final int timer = ((buffer.readUnsignedByte() & TIMER_TOPBITS_MASK) << Byte.SIZE) + buffer.readUnsignedByte();
    cb.setRestartTime(timer);
    final List<Tables> tables = new ArrayList<>();
    while (buffer.readableBytes() != 0) {
        final int afiVal = buffer.readShort();
        final Class<? extends AddressFamily> afi = this.afiReg.classForFamily(afiVal);
        if (afi == null) {
            LOG.debug("Ignoring GR capability for unknown address family {}", afiVal);
            buffer.skipBytes(PER_AFI_SAFI_SIZE - 2);
            continue;
        }
        final int safiVal = buffer.readUnsignedByte();
        final Class<? extends SubsequentAddressFamily> safi = this.safiReg.classForFamily(safiVal);
        if (safi == null) {
            LOG.debug("Ignoring GR capability for unknown subsequent address family {}", safiVal);
            buffer.skipBytes(1);
            continue;
        }
        final int flags = buffer.readUnsignedByte();
        tables.add(new TablesBuilder().setAfi(afi).setSafi(safi).setAfiFlags(new AfiFlags((flags & AFI_FLAG_FORWARDING_STATE) != 0)).build());
    }
    cb.setTables(tables);
    return new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().setGracefulRestartCapability(cb.build()).build()).build();
}
Also used : RestartFlags(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.GracefulRestartCapability.RestartFlags) AfiFlags(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.graceful.restart.capability.Tables.AfiFlags) ArrayList(java.util.ArrayList) CParameters1(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1) TablesBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.graceful.restart.capability.TablesBuilder) CParametersBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParametersBuilder) CParameters1Builder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1Builder) Tables(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.graceful.restart.capability.Tables) GracefulRestartCapabilityBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.GracefulRestartCapabilityBuilder)

Aggregations

ByteBuf (io.netty.buffer.ByteBuf)6 ArrayList (java.util.ArrayList)4 BgpTableTypeImpl (org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl)4 BgpTableType (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpTableType)4 Test (org.junit.Test)3 PeerSpecificParserConstraint (org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint)3 Update (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Update)3 CParameters1 (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1)3 TablesKey (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.rib.TablesKey)3 SimpleEntry (java.util.AbstractMap.SimpleEntry)2 NextHopParserSerializer (org.opendaylight.protocol.bgp.parser.spi.NextHopParserSerializer)2 NlriParser (org.opendaylight.protocol.bgp.parser.spi.NlriParser)2 CParametersBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParametersBuilder)2 CParameters1Builder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.CParameters1Builder)2 SendReceive (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.SendReceive)2 AddressFamilies (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.add.path.capability.AddressFamilies)2 Tables (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.graceful.restart.capability.Tables)2 CNextHop (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop)2 BGPParsingException (org.opendaylight.protocol.bgp.parser.BGPParsingException)1 AbstractRegistration (org.opendaylight.protocol.concepts.AbstractRegistration)1