Examples with Flowspec org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.Flowspec used on opensource projects

Example 21 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.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) {
    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(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 22 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv4NlriParserTest method testExtractFlowspecDestPrefix.

@Test
public void testExtractFlowspecDestPrefix() {
    final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> entry = Builders.mapEntryBuilder();
    entry.withNodeIdentifier(NodeIdentifierWithPredicates.of(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(AbstractFlowspecNlriParser.DEST_PREFIX_NID).withValue("127.0.0.5/32").build()).build()).build()).build());
    final FlowspecBuilder expectedFS = new FlowspecBuilder();
    expectedFS.setFlowspecType(new DestinationPrefixCaseBuilder().setDestinationPrefix(new Ipv4Prefix("127.0.0.5/32")).build());
    final List<Flowspec> expected = new ArrayList<>();
    expected.add(expectedFS.build());
    assertEquals(expected, this.fsParser.extractFlowspec(entry.build()));
}

Example 23 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv4NlriParserTest 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 FlowspecType icmpType = createIcmpType();
    builder.setFlowspecType(icmpType);
    fs.add(builder.build());
    final FlowspecType icmpCode = createIcmpCode();
    builder.setFlowspecType(icmpCode);
    fs.add(builder.build());
    final TcpFlagsCase tcp = createTcp();
    builder.setFlowspecType(tcp);
    fs.add(builder.build());
    final PacketLengthCase packet = createPackets();
    builder.setFlowspecType(packet);
    fs.add(builder.build());
    final FlowspecType dscp = createDscp();
    builder.setFlowspecType(dscp);
    fs.add(builder.build());
    final FlowspecType fragment = createFragment();
    builder.setFlowspecType(fragment);
    fs.add(builder.build());
    final FlowspecL3vpnIpv4NlriParser parser = new FlowspecL3vpnIpv4NlriParser(SAFI.FLOWSPEC_VPN);
    final MpUnreachNlriBuilder result = new MpUnreachNlriBuilder();
    result.setAfi(Ipv4AddressFamily.class);
    result.setSafi(FlowspecL3vpnSubsequentAddressFamily.class);
    parser.parseNlri(Unpooled.wrappedBuffer(UNREACHED_NLRI), result, null);
    DestinationFlowspecL3vpnIpv4 flowspecDst = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecL3vpnIpv4Case) result.getWithdrawnRoutes().getDestinationType()).getDestinationFlowspecL3vpnIpv4();
    final List<Flowspec> flows = flowspecDst.getFlowspec();
    checkUnreachFlows(flows, icmpType, icmpCode, tcp, packet, dscp, fragment);
    final RouteDistinguisher rd = flowspecDst.getRouteDistinguisher();
    mp.setAfi(Ipv4AddressFamily.class).setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecL3vpnIpv4CaseBuilder().setDestinationFlowspecL3vpnIpv4(new DestinationFlowspecL3vpnIpv4Builder().setRouteDistinguisher(rd).setFlowspec(fs).build()).build()).build());
    final ByteBuf buffer = Unpooled.buffer();
    parser.serializeNlri(new Object[] { rd, flows }, null, buffer);
    assertArrayEquals(UNREACHED_NLRI, ByteArray.readAllBytes(buffer));
    parser.serializeAttribute(new AttributesBuilder().addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(mp.build()).build()).build(), buffer);
    assertArrayEquals(UNREACHED_NLRI, ByteArray.readAllBytes(buffer));
    assertEquals("all packets where ICMP type is less than 2 or is less than 3 AND where ICMP code is less than 4 " + "or 5 AND where TCP flags is not 1025 or does match 22193 AND where packet length is less than 57005 " + "AND where DSCP is greater than 42 AND where fragment does match 'IS FIRST' 'IS LAST' 'IS A' ", this.fsParser.stringNlri(flows));
}

Example 24 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class AbstractFlowspecL3vpnNlriParser method serializeNlri.

@Override
protected void serializeNlri(final Object[] nlriFields, final ByteBuf buffer) {
    final RouteDistinguisher rd = requireNonNull((RouteDistinguisher) nlriFields[0]);
    RouteDistinguisherUtil.serializeRouteDistinquisher(rd, buffer);
    final List<Flowspec> flowspecList = (List<Flowspec>) nlriFields[1];
    serializeNlri(flowspecList, buffer);
}

Example 25 with Flowspec

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.Flowspec in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParser method createWithdrawnDestinationType.

@Override
public DestinationType createWithdrawnDestinationType(final Object[] nlriFields, final PathId pathId) {
    final RouteDistinguisher rd = (RouteDistinguisher) nlriFields[0];
    final List<Flowspec> flowspecList = (List<Flowspec>) nlriFields[1];
    return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecL3vpnIpv6CaseBuilder().setDestinationFlowspecL3vpnIpv6(new DestinationFlowspecL3vpnIpv6Builder().setRouteDistinguisher(rd).setFlowspec(flowspecList).setPathId(pathId).build()).build();
}