Examples with LabelStack org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack used on opensource projects

Example 6 with LabelStack

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack 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 7 with LabelStack

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack in project bgpcep by opendaylight.

the class VpnDestinationUtil method parseNlri.

static List<VpnDestination> parseNlri(final ByteBuf nlri, final Class<? extends AddressFamily> afi) {
    if (!nlri.isReadable()) {
        return null;
    }
    final List<VpnDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final VpnDestinationBuilder builder = new VpnDestinationBuilder();
        final short length = nlri.readUnsignedByte();
        final List<LabelStack> labels = LUNlriParser.parseLabel(nlri);
        builder.setLabelStack(labels);
        final int labelNum = labels != null ? labels.size() : 1;
        final int prefixLen = length - (LUNlriParser.LABEL_LENGTH * Byte.SIZE * labelNum) - (RouteDistinguisherUtil.RD_LENGTH * Byte.SIZE);
        builder.setRouteDistinguisher(RouteDistinguisherUtil.parseRouteDistinguisher(nlri));
        Preconditions.checkState(prefixLen > 0, "A valid VPN IP prefix is required.");
        builder.setPrefix(LUNlriParser.parseIpPrefix(nlri, prefixLen, afi));
        dests.add(builder.build());
    }
    return dests;
}

Example 8 with LabelStack

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack in project bgpcep by opendaylight.

the class LUNlriParser method serializeNlri.

protected static void serializeNlri(final List<CLabeledUnicastDestination> dests, final boolean isUnreachNlri, final ByteBuf buffer) {
    final ByteBuf nlriByteBuf = Unpooled.buffer();
    for (final CLabeledUnicastDestination dest : dests) {
        PathIdUtil.writePathId(dest.getPathId(), buffer);
        final List<LabelStack> labelStack = dest.getLabelStack();
        final IpPrefix prefix = dest.getPrefix();
        // Serialize the length field
        // Length field contains one Byte which represents the length of label stack and prefix in bits
        nlriByteBuf.writeByte((LABEL_LENGTH * (!isUnreachNlri ? labelStack.size() : 1) + getPrefixLength(prefix)) * Byte.SIZE);
        serializeLabelStackEntries(labelStack, isUnreachNlri, nlriByteBuf);
        serializePrefixField(prefix, nlriByteBuf);
    }
    buffer.writeBytes(nlriByteBuf);
}

Example 9 with LabelStack

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack in project bgpcep by opendaylight.

the class VpnDestinationUtil method parseNlri.

static List<VpnDestination> parseNlri(final ByteBuf nlri, final PeerSpecificParserConstraint constraints, final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
    if (!nlri.isReadable()) {
        return null;
    }
    final List<VpnDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final VpnDestinationBuilder builder = new VpnDestinationBuilder();
        if (MultiPathSupportUtil.isTableTypeSupported(constraints, new BgpTableTypeImpl(afi, safi))) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final short length = nlri.readUnsignedByte();
        final List<LabelStack> labels = LUNlriParser.parseLabel(nlri);
        builder.setLabelStack(labels);
        final int labelNum = labels != null ? labels.size() : 1;
        final int prefixLen = length - (LUNlriParser.LABEL_LENGTH * Byte.SIZE * labelNum) - (RouteDistinguisherUtil.RD_LENGTH * Byte.SIZE);
        builder.setRouteDistinguisher(RouteDistinguisherUtil.parseRouteDistinguisher(nlri));
        Preconditions.checkState(prefixLen > 0, "A valid VPN IP prefix is required.");
        builder.setPrefix(LUNlriParser.parseIpPrefix(nlri, prefixLen, afi));
        dests.add(builder.build());
    }
    return dests;
}