Examples with Nlri org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri used on opensource projects

Example 31 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class L3vpnMcastIpv4NlriHandler method parseNlri.

@Override
public void parseNlri(final ByteBuf nlri, final MpReachNlriBuilder builder, final PeerSpecificParserConstraint constraint) throws BGPParsingException {
    if (!nlri.isReadable()) {
        return;
    }
    final boolean mPathSupported = MultiPathSupportUtil.isTableTypeSupported(constraint, new BgpTableTypeImpl(builder.getAfi(), builder.getSafi()));
    builder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationL3vpnMcastIpv4AdvertizedCaseBuilder().setDestinationIpv4L3vpnMcast(new DestinationIpv4L3vpnMcastBuilder().setL3vpnMcastDestination(L3vpnMcastNlriSerializer.extractDest(nlri, mPathSupported)).build()).build()).build());
}

Example 32 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class L3vpnMcastNlriSerializer method extractDest.

static List<L3vpnMcastDestination> extractDest(final ByteBuf nlri, final boolean addPath) {
    List<L3vpnMcastDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final L3vpnMcastDestinationBuilder builder = new L3vpnMcastDestinationBuilder();
        if (addPath) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final int length = nlri.readUnsignedByte();
        final int initialLength = nlri.readableBytes();
        builder.setRouteDistinguisher(RouteDistinguisherUtil.parseRouteDistinguisher(nlri));
        if (length == Ipv6Util.IPV6_BITS_LENGTH) {
            builder.setPrefix(new IpPrefix(Ipv6Util.prefixForByteBuf(nlri)));
        } else {
            builder.setPrefix(new IpPrefix(Ipv4Util.prefixForByteBuf(nlri)));
        }
        dests.add(builder.build());
        int readed = initialLength - nlri.readableBytes();
        while (readed % 8 != 0) {
            nlri.readByte();
            readed = initialLength - nlri.readableBytes();
        }
    }
    return dests;
}

Example 33 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class AbstractVpnNlriParser method serializeNlri.

private static void serializeNlri(final List<VpnDestination> dests, final boolean isWithdrawnRoute, final ByteBuf buffer) {
    final ByteBuf nlriByteBuf = Unpooled.buffer();
    for (final VpnDestination dest : dests) {
        final List<LabelStack> labelStack = dest.getLabelStack();
        final IpPrefix prefix = dest.getPrefix();
        LOG.debug("Serializing Nlri: VpnDestination={}, IpPrefix={}", dest, prefix);
        AbstractVpnNlriParser.serializeLengtField(prefix, labelStack, nlriByteBuf);
        LUNlriParser.serializeLabelStackEntries(labelStack, isWithdrawnRoute, nlriByteBuf);
        RouteDistinguisherUtil.serializeRouteDistinquisher(dest.getRouteDistinguisher(), nlriByteBuf);
        Preconditions.checkArgument(prefix.getIpv6Prefix() != null || prefix.getIpv4Prefix() != null, "Ipv6 or Ipv4 prefix is missing.");
        LUNlriParser.serializePrefixField(prefix, nlriByteBuf);
    }
    buffer.writeBytes(nlriByteBuf);
}

Example 34 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class RouteTargetConstrainNlriHandler method parseNlriDestinations.

private static List<RouteTargetConstrainDestination> parseNlriDestinations(final ByteBuf nlri, final boolean addPathSupported) {
    final List<RouteTargetConstrainDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final RouteTargetConstrainDestinationBuilder builder = new RouteTargetConstrainDestinationBuilder();
        if (addPathSupported) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final int length = nlri.readUnsignedByte() / 8;
        final ByteBuf nlriBuf = nlri.readSlice(length);
        Integer type = null;
        if (length != 0) {
            builder.setOriginAs(new AsNumber(ByteBufUtils.readUint32(nlriBuf)));
            type = (int) nlriBuf.readUnsignedByte();
            // Skip Subtype
            nlriBuf.skipBytes(1);
        }
        builder.setRouteTargetConstrainChoice(ImmutableRouteTargetConstrainNlriRegistry.getInstance().parseRouteTargetConstrain(type, nlriBuf));
        dests.add(builder.build());
    }
    return dests;
}

Example 35 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class RouteTargetConstrainNlriHandler method serializeNlriDestinations.

public static ByteBuf serializeNlriDestinations(final List<RouteTargetConstrainDestination> destinationList) {
    final ByteBuf nlri = Unpooled.buffer();
    for (final RouteTargetConstrainDestination dest : destinationList) {
        final RouteTargetConstrainChoice rtcChoice = dest.getRouteTargetConstrainChoice();
        if (rtcChoice instanceof RouteTargetConstrainDefaultCase) {
            nlri.writeByte(0);
        } else {
            nlri.writeByte(RT_BITS_LENGTH);
            final AsNumber originAs = dest.getOriginAs();
            if (originAs != null) {
                ByteBufUtils.write(nlri, originAs.getValue());
            }
            nlri.writeBytes(ImmutableRouteTargetConstrainNlriRegistry.getInstance().serializeRouteTargetConstrain(rtcChoice));
        }
    }
    return nlri;
}