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Example 6 with VpnDestinationBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestinationBuilder 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;
}
Also used : VpnDestination(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestination) LabelStack(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack) ArrayList(java.util.ArrayList) BgpTableTypeImpl(org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl) VpnDestinationBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestinationBuilder) PeerSpecificParserConstraint(org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint)

Aggregations

ByteBuf (io.netty.buffer.ByteBuf)4 VpnDestinationBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestinationBuilder)4 ArrayList (java.util.ArrayList)2 Test (org.junit.Test)2 IpPrefix (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix)2 AttributesBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder)2 AttributesReachBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesReachBuilder)2 MpReachNlri (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri)2 MpReachNlriBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlriBuilder)2 AdvertizedRoutesBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.mp.reach.nlri.AdvertizedRoutesBuilder)2 VpnDestination (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev171207.l3vpn.ip.destination.type.VpnDestination)2 VpnDestinationBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev171207.l3vpn.ip.destination.type.VpnDestinationBuilder)2 VpnDestination (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestination)2 BgpTableTypeImpl (org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl)1 PeerSpecificParserConstraint (org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint)1 LabelStack (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev171207.labeled.unicast.LabelStack)1 LabelStack (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack)1 VpnIpv4DestinationBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.destination.VpnIpv4DestinationBuilder)1 VpnIpv6DestinationBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv6.rev180329.l3vpn.ipv6.destination.VpnIpv6DestinationBuilder)1 NodeIdentifierWithPredicates (org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates)1