Example usage for io.netty.buffer ByteBuf readUnsignedInt

List of usage examples for io.netty.buffer ByteBuf readUnsignedInt

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readUnsignedInt.

Prototype

public abstract long readUnsignedInt();

Source Link

Document

Gets an unsigned 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:org.opendaylight.protocol.bgp.linkstate.impl.tlvs.AsNumTlvParser.java

License:Open Source License

@Override
public AsNumber parseTlvBody(final ByteBuf value) {
    return new AsNumber(value.readUnsignedInt());
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.tlvs.DomainIdTlvParser.java

License:Open Source License

@Override
public DomainIdentifier parseTlvBody(final ByteBuf value) {
    return new DomainIdentifier(value.readUnsignedInt());
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.tlvs.LinkIdTlvParser.java

License:Open Source License

@Override
public LinkLrIdentifiers parseTlvBody(final ByteBuf value) {
    final long localId = value.readUnsignedInt();
    final long remoteId = value.readUnsignedInt();
    return new LinkLrIdentifiers() {
        @Override/*from  w ww.  jav  a2 s . c o  m*/
        public Class<? extends DataContainer> getImplementedInterface() {
            return LinkLrIdentifiers.class;
        }

        @Override
        public Long getLinkRemoteIdentifier() {
            return remoteId;
        }

        @Override
        public Long getLinkLocalIdentifier() {
            return localId;
        }
    };
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.tlvs.RouterIdTlvParser.java

License:Open Source License

@Override
public CRouterIdentifier parseTlvBody(final ByteBuf value) {
    if (value.readableBytes() == ISO_SYSTEM_ID_LENGTH
            || (value.readableBytes() == ISO_SYSTEM_ID_LENGTH + PSN_LENGTH
                    && value.getByte(ISO_SYSTEM_ID_LENGTH) == 0)) {
        return new IsisNodeCaseBuilder().setIsisNode(new IsisNodeBuilder()
                .setIsoSystemId(new IsoSystemIdentifier(ByteArray.readBytes(value, ISO_SYSTEM_ID_LENGTH)))
                .build()).build();/*from  w  w  w  .j  a  v a2 s  . c o  m*/
    }
    if (value.readableBytes() == ISO_SYSTEM_ID_LENGTH + PSN_LENGTH) {
        final IsIsRouterIdentifier iri = new IsIsRouterIdentifierBuilder()
                .setIsoSystemId(new IsoSystemIdentifier(ByteArray.readBytes(value, ISO_SYSTEM_ID_LENGTH)))
                .build();
        return new IsisPseudonodeCaseBuilder().setIsisPseudonode(new IsisPseudonodeBuilder()
                .setIsIsRouterIdentifier(iri).setPsn((short) value.readByte()).build()).build();
    }
    if (value.readableBytes() == OSPF_ROUTER_ID_LENGTH) {
        return new OspfNodeCaseBuilder()
                .setOspfNode(new OspfNodeBuilder().setOspfRouterId(value.readUnsignedInt()).build()).build();

    }
    if (value.readableBytes() == OSPF_PSEUDONODE_ROUTER_ID_LENGTH) {
        return new OspfPseudonodeCaseBuilder()
                .setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(value.readUnsignedInt())
                        .setLanInterface(new OspfInterfaceIdentifier(value.readUnsignedInt())).build())
                .build();
    }
    return null;
}

From source file:org.opendaylight.protocol.bgp.linkstate.nlri.LinkNlriParser.java

License:Open Source License

static LinkDescriptors parseLinkDescriptors(final ByteBuf buffer) throws BGPParsingException {
    final LinkDescriptorsBuilder builder = new LinkDescriptorsBuilder();
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedShort();
        final int length = buffer.readUnsignedShort();
        final ByteBuf value = buffer.readSlice(length);
        LOG.trace("Parsing Link Descriptor: {}", ByteBufUtil.hexDump(value));
        switch (type) {
        case LINK_LR_IDENTIFIERS:
            builder.setLinkLocalIdentifier(value.readUnsignedInt());
            builder.setLinkRemoteIdentifier(value.readUnsignedInt());
            LOG.debug("Parsed link local {} remote {} Identifiers.", builder.getLinkLocalIdentifier(),
                    builder.getLinkRemoteIdentifier());
            break;
        case IPV4_IFACE_ADDRESS:
            final Ipv4InterfaceIdentifier lipv4 = new Ipv4InterfaceIdentifier(
                    Ipv4Util.addressForByteBuf(value));
            builder.setIpv4InterfaceAddress(lipv4);
            LOG.debug("Parsed IPv4 interface address {}.", lipv4);
            break;
        case IPV4_NEIGHBOR_ADDRESS:
            final Ipv4InterfaceIdentifier ripv4 = new Ipv4InterfaceIdentifier(
                    Ipv4Util.addressForByteBuf(value));
            builder.setIpv4NeighborAddress(ripv4);
            LOG.debug("Parsed IPv4 neighbor address {}.", ripv4);
            break;
        case IPV6_IFACE_ADDRESS:
            final Ipv6InterfaceIdentifier lipv6 = new Ipv6InterfaceIdentifier(
                    Ipv6Util.addressForByteBuf(value));
            builder.setIpv6InterfaceAddress(lipv6);
            LOG.debug("Parsed IPv6 interface address {}.", lipv6);
            break;
        case IPV6_NEIGHBOR_ADDRESS:
            final Ipv6InterfaceIdentifier ripv6 = new Ipv6InterfaceIdentifier(
                    Ipv6Util.addressForByteBuf(value));
            builder.setIpv6NeighborAddress(ripv6);
            LOG.debug("Parsed IPv6 neighbor address {}.", ripv6);
            break;
        case TlvUtil.MULTI_TOPOLOGY_ID:
            final TopologyIdentifier topId = new TopologyIdentifier(
                    value.readUnsignedShort() & TlvUtil.TOPOLOGY_ID_OFFSET);
            builder.setMultiTopologyId(topId);
            LOG.debug("Parsed topology identifier {}.", topId);
            break;
        default:/*from   w  w  w .  j a va  2s  .  co  m*/
            throw new BGPParsingException("Link Descriptor not recognized, type: " + type);
        }
    }
    LOG.trace("Finished parsing Link descriptors.");
    return builder.build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.nlri.NodeNlriParser.java

License:Open Source License

static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.NodeIdentifier parseNodeDescriptors(
        final ByteBuf buffer, final NlriType nlriType, final boolean local) throws BGPParsingException {
    AsNumber asnumber = null;//  w w  w. j a va 2  s. c  om
    DomainIdentifier bgpId = null;
    AreaIdentifier ai = null;
    CRouterIdentifier routerId = null;
    AsNumber memberAsn = null;
    Ipv4Address bgpRouterId = null;
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedShort();
        final int length = buffer.readUnsignedShort();
        final ByteBuf value = buffer.readSlice(length);
        if (LOG.isTraceEnabled()) {
            LOG.trace("Parsing Node Descriptor: {}", ByteBufUtil.hexDump(value));
        }
        switch (type) {
        case AS_NUMBER:
            asnumber = new AsNumber(value.readUnsignedInt());
            LOG.debug("Parsed {}", asnumber);
            break;
        case BGP_LS_ID:
            bgpId = new DomainIdentifier(value.readUnsignedInt());
            LOG.debug("Parsed {}", bgpId);
            break;
        case AREA_ID:
            ai = new AreaIdentifier(value.readUnsignedInt());
            LOG.debug("Parsed area identifier {}", ai);
            break;
        case IGP_ROUTER_ID:
            routerId = parseRouterId(value);
            LOG.debug("Parsed Router Identifier {}", routerId);
            break;
        case BGP_ROUTER_ID:
            bgpRouterId = Ipv4Util.addressForByteBuf(value);
            LOG.debug("Parsed BGP Router Identifier {}", bgpRouterId);
            break;
        case MEMBER_AS_NUMBER:
            memberAsn = new AsNumber(value.readUnsignedInt());
            LOG.debug("Parsed Member AsNumber {}", memberAsn);
            break;
        default:
            throw new BGPParsingException("Node Descriptor not recognized, type: " + type);
        }
    }
    LOG.trace("Finished parsing Node descriptors.");
    return correctType(nlriType, local, asnumber, ai, routerId, bgpId, bgpRouterId, memberAsn);
}

From source file:org.opendaylight.protocol.bgp.linkstate.nlri.NodeNlriParser.java

License:Open Source License

private static CRouterIdentifier parseRouterId(final ByteBuf value) throws BGPParsingException {
    if (value.readableBytes() == ISO_SYSTEM_ID_LENGTH
            || (value.readableBytes() == ISO_SYSTEM_ID_LENGTH + PSN_LENGTH
                    && value.getByte(ISO_SYSTEM_ID_LENGTH) == 0)) {
        return new IsisNodeCaseBuilder().setIsisNode(new IsisNodeBuilder()
                .setIsoSystemId(new IsoSystemIdentifier(ByteArray.readBytes(value, ISO_SYSTEM_ID_LENGTH)))
                .build()).build();/*from   ww  w  . j a v  a 2s  .  c o  m*/
    }
    if (value.readableBytes() == ISO_SYSTEM_ID_LENGTH + PSN_LENGTH) {
        final IsIsRouterIdentifier iri = new IsIsRouterIdentifierBuilder()
                .setIsoSystemId(new IsoSystemIdentifier(ByteArray.readBytes(value, ISO_SYSTEM_ID_LENGTH)))
                .build();
        return new IsisPseudonodeCaseBuilder().setIsisPseudonode(new IsisPseudonodeBuilder()
                .setIsIsRouterIdentifier(iri).setPsn((short) value.readByte()).build()).build();
    }
    if (value.readableBytes() == OSPF_ROUTER_ID_LENGTH) {
        return new OspfNodeCaseBuilder()
                .setOspfNode(new OspfNodeBuilder().setOspfRouterId(value.readUnsignedInt()).build()).build();
    }
    if (value.readableBytes() == OSPF_PSEUDONODE_ROUTER_ID_LENGTH) {
        return new OspfPseudonodeCaseBuilder()
                .setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(value.readUnsignedInt())
                        .setLanInterface(new OspfInterfaceIdentifier(value.readUnsignedInt())).build())
                .build();
    }
    throw new BGPParsingException("Router Id of invalid length " + value.readableBytes());
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.open.As4CapabilityHandler.java

License:Open Source License

@Override
public CParameters parseCapability(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
    return new CParametersBuilder()
            .setAs4BytesCapability(/*from  ww  w .  jav  a2 s  . c  o  m*/
                    new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(buffer.readUnsignedInt())).build())
            .build();
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.update.AggregatorAttributeParser.java

License:Open Source License

/**
 * Parse {@link Aggregator} from bytes/*from w  w w  . j  a v  a2 s.c o m*/
 *
 * @param buffer byte buffer to be parsed
 * @param builder AttributesBuilder into which parsed {@link Aggregator} will be set
 */
@Override
public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder) {
    final AsNumber asNumber = this.refCache.getSharedReference(new AsNumber(buffer.readUnsignedInt()));
    final Ipv4Address address = Ipv4Util.addressForByteBuf(buffer);
    builder.setAggregator(new AggregatorBuilder().setAsNumber(asNumber).setNetworkAddress(address).build());
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.update.AsPathSegmentParser.java

License:Open Source License

static List<AsNumber> parseAsSegment(final ReferenceCache refCache, final int count, final ByteBuf buffer) {
    final List<AsNumber> coll = new ArrayList<>(count);
    for (int i = 0; i < count; i++) {
        coll.add(refCache.getSharedReference(new AsNumber(buffer.readUnsignedInt())));
    }// w  ww .j ava 2  s . c  o  m
    return (coll.isEmpty()) ? Collections.<AsNumber>emptyList() : coll;
}