Examples with Flowspec org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec used on opensource projects

Example 1 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class AbstractFlowspecNlriParser method parseNlriFlowspecList.

/**
 * Parses Flowspec NLRI into list of Flowspec.
 *
 * @param nlri byte representation of NLRI which will be parsed
 * @return list of Flowspec
 */
protected final List<Flowspec> parseNlriFlowspecList(@Nonnull final ByteBuf nlri) throws BGPParsingException {
    if (!nlri.isReadable()) {
        return null;
    }
    final List<Flowspec> fss = new ArrayList<>();
    while (nlri.isReadable()) {
        int nlriLength = readNlriLength(nlri);
        Preconditions.checkState(nlriLength > 0 && nlriLength <= nlri.readableBytes(), "Invalid flowspec NLRI length %s", nlriLength);
        LOG.trace("Flowspec NLRI length is {}", nlriLength);
        while (nlriLength > 0) {
            final int readableLength = nlri.readableBytes();
            final FlowspecBuilder builder = new FlowspecBuilder();
            builder.setFlowspecType(this.flowspecTypeRegistry.parseFlowspecType(nlri));
            fss.add(builder.build());
            final int flowspecTypeLength = readableLength - nlri.readableBytes();
            nlriLength -= flowspecTypeLength;
        }
        Preconditions.checkState(nlriLength == 0, "Remain NLRI length should be 0 instead of %s", nlriLength);
    }
    return fss;
}

Example 2 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class AbstractFlowspecNlriParser method extractFlowspec.

public final List<Flowspec> extractFlowspec(final DataContainerNode<?> route) {
    requireNonNull(route, "Cannot extract flowspec from null route.");
    final List<Flowspec> fsList = new ArrayList<>();
    final Optional<DataContainerChild<? extends PathArgument, ?>> flowspecs = route.getChild(FLOWSPEC_NID);
    if (flowspecs.isPresent()) {
        for (final UnkeyedListEntryNode flowspec : ((UnkeyedListNode) flowspecs.get()).getValue()) {
            final FlowspecBuilder fsBuilder = new FlowspecBuilder();
            final Optional<DataContainerChild<?, ?>> flowspecType = flowspec.getChild(FLOWSPEC_TYPE_NID);
            if (flowspecType.isPresent()) {
                final ChoiceNode fsType = (ChoiceNode) flowspecType.get();
                processFlowspecType(fsType, fsBuilder);
            }
            fsList.add(fsBuilder.build());
        }
    }
    return fsList;
}

Example 3 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParserTest method testExtractFlowspecSourcePrefix.

@Test
public void testExtractFlowspecSourcePrefix() {
    final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> entry = Builders.mapEntryBuilder();
    entry.withNodeIdentifier(new NodeIdentifierWithPredicates(FlowspecRoute.QNAME, FlowspecRoute.QNAME, entry));
    entry.withChild(Builders.unkeyedListBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_NID).withChild(Builders.unkeyedListEntryBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_NID).withChild(Builders.choiceBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_TYPE_NID).withChild(Builders.leafBuilder().withNodeIdentifier(SimpleFlowspecIpv4NlriParser.SOURCE_PREFIX_NID).withValue("102:304:600::/40").build()).build()).build()).build());
    final FlowspecBuilder expectedFS = new FlowspecBuilder();
    expectedFS.setFlowspecType(new SourceIpv6PrefixCaseBuilder().setSourcePrefix(new Ipv6Prefix("102:304:600::/40")).build());
    final List<Flowspec> expectedValue = new ArrayList<>();
    expectedValue.add(expectedFS.build());
    assertEquals(expectedValue, this.FS_PARSER.extractFlowspec(entry.build()));
}

Example 4 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParserTest method testParseMpUnreachNlri.

@Test
public void testParseMpUnreachNlri() throws BGPParsingException {
    final List<Flowspec> fs = new ArrayList<>();
    final MpUnreachNlriBuilder mp = new MpUnreachNlriBuilder();
    final FlowspecBuilder builder = new FlowspecBuilder();
    final FragmentCase fragment = createFragment();
    builder.setFlowspecType(fragment);
    fs.add(builder.build());
    final FlowspecType label = createLabel();
    builder.setFlowspecType(label);
    fs.add(builder.build());
    final MpUnreachNlriBuilder result = new MpUnreachNlriBuilder();
    result.setAfi(Ipv6AddressFamily.class);
    result.setSafi(FlowspecL3vpnSubsequentAddressFamily.class);
    this.FS_PARSER.parseNlri(Unpooled.wrappedBuffer(UNREACHED_NLRI), result);
    final DestinationFlowspecL3vpnIpv6 flowspecDst = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecL3vpnIpv6Case) result.getWithdrawnRoutes().getDestinationType()).getDestinationFlowspecL3vpnIpv6();
    final List<Flowspec> flows = flowspecDst.getFlowspec();
    final RouteDistinguisher rd = flowspecDst.getRouteDistinguisher();
    assertEquals(2, flows.size());
    assertEquals(ROUTE_DISTINGUISHER, new String(rd.getValue()));
    assertEquals(fragment, flows.get(0).getFlowspecType());
    assertEquals(label, flows.get(1).getFlowspecType());
    mp.setAfi(Ipv6AddressFamily.class).setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecL3vpnIpv6CaseBuilder().setDestinationFlowspecL3vpnIpv6(new DestinationFlowspecL3vpnIpv6Builder().setRouteDistinguisher(rd).setFlowspec(fs).build()).build()).build());
    final ByteBuf buffer = Unpooled.buffer();
    this.FS_PARSER.serializeAttribute(new AttributesBuilder().addAugmentation(Attributes2.class, new Attributes2Builder().setMpUnreachNlri(mp.build()).build()).build(), buffer);
    assertArrayEquals(UNREACHED_NLRI, ByteArray.readAllBytes(buffer));
    assertEquals("all packets where fragment does match 'IS FIRST' 'IS LAST' 'IS A' AND where flow label equals to 16777222 or equals to 258 ", this.FS_PARSER.stringNlri(flows));
}

Example 5 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParserTest method testExtractFlowspecFragments.

@Test
public void testExtractFlowspecFragments() {
    final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> entry = Builders.mapEntryBuilder();
    entry.withNodeIdentifier(new NodeIdentifierWithPredicates(FlowspecRoute.QNAME, FlowspecRoute.QNAME, entry));
    entry.withChild(Builders.unkeyedListBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_NID).withChild(Builders.unkeyedListEntryBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_NID).withChild(Builders.choiceBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FLOWSPEC_TYPE_NID).withChild(Builders.unkeyedListBuilder().withNodeIdentifier(AbstractFlowspecNlriParser.FRAGMENT_NID).withChild(Builders.unkeyedListEntryBuilder().withNodeIdentifier(FlowspecL3vpnIpv6NlriParser.OP_NID).withChild(Builders.leafBuilder().withNodeIdentifier(FlowspecL3vpnIpv6NlriParser.OP_NID).withValue(Sets.newHashSet(AbstractOperandParser.AND_BIT_VALUE, AbstractOperandParser.END_OF_LIST_VALUE, BitmaskOperandParser.MATCH_VALUE, BitmaskOperandParser.NOT_VALUE)).build()).withChild(Builders.leafBuilder().withNodeIdentifier(FlowspecL3vpnIpv6NlriParser.VALUE_NID).withValue(Sets.newHashSet(AbstractFlowspecNlriParser.DO_NOT_VALUE, AbstractFlowspecNlriParser.FIRST_VALUE, AbstractFlowspecNlriParser.IS_A_VALUE, AbstractFlowspecNlriParser.LAST_VALUE)).build()).build()).build()).build()).build()).build());
    final FlowspecBuilder expectedFS = new FlowspecBuilder();
    expectedFS.setFlowspecType(new FragmentCaseBuilder().setFragments(Lists.newArrayList(new FragmentsBuilder().setValue(new Fragment(true, true, true, true)).setOp(new BitmaskOperand(true, true, true, true)).build())).build());
    final List<Flowspec> expectedValue = new ArrayList<>();
    expectedValue.add(expectedFS.build());
    assertEquals(expectedValue, this.FS_PARSER.extractFlowspec(entry.build()));
}