Examples with RouteDistinguisher org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher used on opensource projects

Example 16 with RouteDistinguisher

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher in project bgpcep by opendaylight.

the class RouteDistinguisherUtil method parseRouteDistinguisher.

/**
 * Parses three types of route distinguisher from given ByteBuf.
 */
public static RouteDistinguisher parseRouteDistinguisher(final ByteBuf buffer) {
    Preconditions.checkState(buffer != null && buffer.isReadable(RD_LENGTH), "Cannot read Route Distinguisher from provided buffer.");
    final int type = buffer.readUnsignedShort();
    final RDType rdType = RDType.valueOf(type);
    final StringBuilder routeDistiguisher = new StringBuilder();
    switch(rdType) {
        case AS_2BYTE:
            routeDistiguisher.append(type);
            routeDistiguisher.append(SEPARATOR);
            routeDistiguisher.append(buffer.readUnsignedShort());
            routeDistiguisher.append(SEPARATOR);
            routeDistiguisher.append(buffer.readUnsignedInt());
            return new RouteDistinguisher(new RdTwoOctetAs(routeDistiguisher.toString()));
        case IPV4:
            routeDistiguisher.append(Ipv4Util.addressForByteBuf(buffer).getValue());
            routeDistiguisher.append(SEPARATOR);
            routeDistiguisher.append(buffer.readUnsignedShort());
            return new RouteDistinguisher(new RdIpv4(routeDistiguisher.toString()));
        case AS_4BYTE:
            routeDistiguisher.append(buffer.readUnsignedInt());
            routeDistiguisher.append(SEPARATOR);
            routeDistiguisher.append(buffer.readUnsignedShort());
            return new RouteDistinguisher(new RdAs(routeDistiguisher.toString()));
        default:
            // in order to get the byte index correct
            for (int i = 0; i < 6; i++) {
                routeDistiguisher.append("0x").append(Integer.toHexString(buffer.readByte() & 0xFF)).append(" ");
            }
            LOG.debug("Invalid Route Distinguisher: type={}, rawRouteDistinguisherValue={}", type, routeDistiguisher.toString());
            throw new IllegalArgumentException("Invalid Route Distinguisher type " + type);
    }
}

Example 17 with RouteDistinguisher

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher in project bgpcep by opendaylight.

the class RouteDistinguisherUtil method serializeRouteDistinquisher.

/**
 * Serializes route distinguisher according to type and writes into ByteBuf.
 */
public static void serializeRouteDistinquisher(final RouteDistinguisher distinguisher, final ByteBuf byteAggregator) {
    requireNonNull(distinguisher);
    Preconditions.checkState(byteAggregator != null && byteAggregator.isWritable(RD_LENGTH), "Cannot write Route Distinguisher to provided buffer.");
    if (distinguisher.getRdTwoOctetAs() != null) {
        final String[] values = distinguisher.getRdTwoOctetAs().getValue().split(SEPARATOR);
        byteAggregator.writeShort(RDType.AS_2BYTE.value);
        ByteBufWriteUtil.writeUnsignedShort(Integer.parseInt(values[1]), byteAggregator);
        final long assignedNumber = Integer.parseUnsignedInt(values[2]);
        ByteBufWriteUtil.writeUnsignedInt(assignedNumber, byteAggregator);
    } else if (distinguisher.getRdAs() != null) {
        final String[] values = distinguisher.getRdAs().getValue().split(SEPARATOR);
        byteAggregator.writeShort(RDType.AS_4BYTE.value);
        final long admin = Integer.parseUnsignedInt(values[0]);
        ByteBufWriteUtil.writeUnsignedInt(admin, byteAggregator);
        ByteBufWriteUtil.writeUnsignedShort(Integer.parseInt(values[1]), byteAggregator);
    } else if (distinguisher.getRdIpv4() != null) {
        final String[] values = distinguisher.getRdIpv4().getValue().split(SEPARATOR);
        final Ipv4Address ip = new Ipv4Address(values[0]);
        byteAggregator.writeShort(RDType.IPV4.value);
        ByteBufWriteUtil.writeIpv4Address(ip, byteAggregator);
        ByteBufWriteUtil.writeUnsignedShort(Integer.parseInt(values[1]), byteAggregator);
    } else {
        LOG.warn("Unable to serialize Route Distinguisher. Invalid RD value found. RD={}", distinguisher);
    }
}

Example 18 with RouteDistinguisher

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher in project bgpcep by opendaylight.

the class RouteDistinguisherUtilTest method testIpv4RouteDistinguisher.

@Test
public void testIpv4RouteDistinguisher() {
    final RouteDistinguisher expected = createRouteDistinguisher(1, IP_ADDRESS, IP_PORT);
    final RouteDistinguisher parsed = RouteDistinguisherUtil.parseRouteDistinguisher(Unpooled.copiedBuffer(IP_BYTES));
    assertEquals(expected.getRdIpv4(), parsed.getRdIpv4());
    final ByteBuf byteAggregator = Unpooled.buffer(IP_BYTES.length);
    RouteDistinguisherUtil.serializeRouteDistinquisher(expected, byteAggregator);
    assertArrayEquals(IP_BYTES, byteAggregator.array());
    assertEquals(IP_ADDRESS + SEPARATOR + IP_PORT, parsed.getRdIpv4().getValue());
}

Example 19 with RouteDistinguisher

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParserTest method testParseMpReachNlri.

@Test
public void testParseMpReachNlri() throws BGPParsingException {
    final List<Flowspec> fs = new ArrayList<>();
    final MpReachNlriBuilder mp = new MpReachNlriBuilder();
    final FlowspecBuilder builder = new FlowspecBuilder();
    final DestinationIpv6PrefixCase destinationPrefix = new DestinationIpv6PrefixCaseBuilder().setDestinationPrefix(new Ipv6Prefix("102:304:500::/40")).build();
    builder.setFlowspecType(destinationPrefix);
    fs.add(builder.build());
    final SourceIpv6PrefixCase sourcePrefix = new SourceIpv6PrefixCaseBuilder().setSourcePrefix(new Ipv6Prefix("102:304:600::/40")).build();
    builder.setFlowspecType(sourcePrefix);
    fs.add(builder.build());
    final List<NextHeaders> nextheaders = Lists.newArrayList(new NextHeadersBuilder().setOp(new NumericOperand(false, true, true, false, false)).setValue((short) 6).build());
    final NextHeaderCase headersCase = new NextHeaderCaseBuilder().setNextHeaders(nextheaders).build();
    builder.setFlowspecType(headersCase);
    fs.add(builder.build());
    final MpReachNlriBuilder result = new MpReachNlriBuilder();
    result.setAfi(Ipv6AddressFamily.class);
    result.setSafi(FlowspecL3vpnSubsequentAddressFamily.class);
    this.FS_PARSER.parseNlri(Unpooled.wrappedBuffer(REACHED_NLRI), result);
    DestinationFlowspecL3vpnIpv6 flowspecDst = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecL3vpnIpv6Case) result.getAdvertizedRoutes().getDestinationType()).getDestinationFlowspecL3vpnIpv6();
    final List<Flowspec> flows = flowspecDst.getFlowspec();
    final RouteDistinguisher rd = flowspecDst.getRouteDistinguisher();
    assertEquals(3, flows.size());
    assertEquals(ROUTE_DISTINGUISHER, new String(rd.getValue()));
    assertEquals(destinationPrefix, flows.get(0).getFlowspecType());
    assertEquals(sourcePrefix, flows.get(1).getFlowspecType());
    assertEquals(headersCase, flows.get(2).getFlowspecType());
    mp.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev171207.update.attributes.mp.reach.nlri.advertized.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(Attributes1.class, new Attributes1Builder().setMpReachNlri(mp.setAfi(Ipv6AddressFamily.class).build()).build()).build(), buffer);
    assertArrayEquals(REACHED_NLRI, ByteArray.readAllBytes(buffer));
    assertEquals("all packets to 102:304:500::/40 AND from 102:304:600::/40 AND where next header equals to 6 ", this.FS_PARSER.stringNlri(flows));
}

Example 20 with RouteDistinguisher

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.RouteDistinguisher in project bgpcep by opendaylight.

the class FlowspecL3vpnIpv6NlriParserTest method testParseMpUnreachNlriConstraint.

@Test
public void testParseMpUnreachNlriConstraint() 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_ADD_PATH), result, this.constraint);
    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).setPathId(PATH_ID).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_ADD_PATH, 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));
}