Example usage for io.netty.buffer ByteBuf readUnsignedShort

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

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Introduction

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

Prototype

public abstract int readUnsignedShort();

Source Link

Document

Gets an unsigned 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.sr.BindingSidLabelParser.java

License:Open Source License

private static List<BindingSubTlvs> parseBindingSubTlvs(final ByteBuf buffer, final ProtocolId protocolId) {
    final List<BindingSubTlvs> subTlvs = new ArrayList<BindingSubTlvs>();
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedShort();
        final int length = buffer.readUnsignedShort();
        final ByteBuf slice = buffer.readSlice(length);
        final BindingSubTlvsBuilder builder = new BindingSubTlvsBuilder();
        parseSubTlv(type, slice, builder, protocolId);
        subTlvs.add(builder.build());/*w w w  .  j  a va 2 s  . c  o  m*/
    }
    return subTlvs;
}

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.sr.RangeTlvParser.java

License:Open Source License

public static SrRange parseSrRange(final ByteBuf buffer, final ProtocolId protocolId) {
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    final SrRangeBuilder range = new SrRangeBuilder();
    if (protocolId.equals(ProtocolId.Ospf)) {
        range.setInterArea(flags.get(INNER_AREA));
    } else {// www  .  j av a 2s .  c  o m
        range.setInterArea(Boolean.FALSE);
    }
    buffer.skipBytes(RESERVED);
    range.setRangeSize(buffer.readUnsignedShort());
    range.setSubTlvs(parseRangeSubTlvs(buffer, protocolId));
    return range.build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.sr.RangeTlvParser.java

License:Open Source License

private static List<SubTlvs> parseRangeSubTlvs(final ByteBuf buffer, final ProtocolId protocolId) {
    final List<SubTlvs> subTlvs = new ArrayList<>();
    while (buffer.isReadable()) {
        final SubTlvsBuilder subTlv = new SubTlvsBuilder();
        RangeSubTlv subTlvCase = null;/*from   www  .  ja v  a  2  s . c o m*/
        final int type = buffer.readUnsignedShort();
        final int length = buffer.readUnsignedShort();
        switch (type) {
        case PrefixAttributesParser.PREFIX_SID:
            subTlvCase = new PrefixSidTlvCaseBuilder(
                    SrPrefixAttributesParser.parseSrPrefix(buffer.readSlice(length), protocolId)).build();
            break;
        case PrefixAttributesParser.BINDING_SID:
            subTlvCase = new BindingSidTlvCaseBuilder(
                    BindingSidLabelParser.parseBindingSidLabel(buffer.readSlice(length), protocolId)).build();
            break;
        case SidLabelIndexParser.SID_TYPE:
            subTlvCase = new SidLabelTlvCaseBuilder().setSidLabelIndex(
                    SidLabelIndexParser.parseSidLabelIndex(Size.forValue(length), buffer.readSlice(length)))
                    .build();
            break;
        default:
            LOG.info("Unknown type of range sub-tlv: {}", type);
            buffer.skipBytes(length);
            continue;
        }
        subTlvs.add(subTlv.setRangeSubTlv(subTlvCase).build());
    }
    return subTlvs;
}

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.sr.SidLabelIndexParser.java

License:Open Source License

static SidLabelIndex parseSidSubTlv(final ByteBuf buffer) {
    final int type = buffer.readUnsignedShort();
    if (type != SID_TYPE) {
        LOG.warn("Unexpected type in SID/index/label field, expected {}, actual {}, ignoring it", SID_TYPE,
                type);/* ww  w  .j a  v a 2s.  c o  m*/
        return null;
    }
    final int length = buffer.readUnsignedShort();
    return parseSidLabelIndex(Size.forValue(length), buffer);
}

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.TeLspAttributesParser.java

License:Open Source License

public static LinkStateAttribute parseTeLspAttributes(final RSVPTeObjectRegistry registry,
        final ByteBuf attributes) throws BGPParsingException {

    final TeLspAttributesBuilder builder = new TeLspAttributesBuilder();
    LOG.trace("Initiated parsing TE LSP Objects.");
    while (attributes.isReadable()) {
        final int length = attributes.readUnsignedShort();
        final int classNum = attributes.readUnsignedByte();
        final int cType = attributes.readUnsignedByte();
        final ByteBuf value = attributes.readSlice(length);
        try {/*  www.  java2s. c  o m*/
            addObject(builder, registry.parseRSPVTe(classNum, cType, value));
        } catch (final RSVPParsingException e) {
            LOG.debug("Parsering TE LSP Object error. class number: {} cType: {} value: {}", classNum, cType,
                    value, e);
            throw new BGPParsingException(e.getMessage());
        }
    }
    LOG.trace("Finished parsing TE LSP Objects.");
    return new TeLspAttributesCaseBuilder().setTeLspAttributes(builder.build()).build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.RangeTlvParser.java

License:Open Source License

private static List<SubTlvs> parseRangeSubTlvs(final ByteBuf buffer, final ProtocolId protocolId) {
    final List<SubTlvs> subTlvs = new ArrayList<>();
    while (buffer.isReadable()) {
        final SubTlvsBuilder subTlv = new SubTlvsBuilder();
        final RangeSubTlv subTlvCase;
        final int type = buffer.readUnsignedShort();
        final int length = buffer.readUnsignedShort();
        switch (type) {
        case PREFIX_SID:
            subTlvCase = new PrefixSidTlvCaseBuilder(
                    SrPrefixAttributesParser.parseSrPrefix(buffer.readSlice(length), protocolId)).build();
            break;
        case IPV6_PREFIX_SID:
            subTlvCase = new Ipv6PrefixSidTlvCaseBuilder(
                    Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(buffer.readSlice(length))).build();
            break;
        case BINDING_SID:
            subTlvCase = new BindingSidTlvCaseBuilder(
                    BindingSidLabelParser.parseBindingSidLabel(buffer.readSlice(length), protocolId)).build();
            break;
        case SID_TYPE:
            subTlvCase = new SidLabelTlvCaseBuilder().setSidLabelIndex(
                    SidLabelIndexParser.parseSidLabelIndex(Size.forValue(length), buffer.readSlice(length)))
                    .build();//from  w ww .  ja v  a2  s .  co m
            break;
        default:
            LOG.info("Unknown type of range sub-tlv: {}", type);
            buffer.skipBytes(length);
            continue;
        }
        subTlvs.add(subTlv.setRangeSubTlv(subTlvCase).build());
    }
    return subTlvs;
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.TeLspAttributesParser.java

License:Open Source License

static LinkStateAttribute parseTeLspAttributes(final RSVPTeObjectRegistry registry, final ByteBuf attributes)
        throws BGPParsingException {

    final TeLspAttributesBuilder builder = new TeLspAttributesBuilder();
    LOG.trace("Initiated parsing TE LSP Objects.");
    while (attributes.isReadable()) {
        final int length = attributes.readUnsignedShort();
        final int classNum = attributes.readUnsignedByte();
        final int cType = attributes.readUnsignedByte();
        final ByteBuf value = attributes.readSlice(length);
        try {//w ww.j  av  a2s  .  c  o m
            addObject(builder, registry.parseRSPVTe(classNum, cType, value));
        } catch (final RSVPParsingException e) {
            LOG.debug("Parsering TE LSP Object error. class number: {} cType: {} value: {}", classNum, cType,
                    value, e);
            throw new BGPParsingException(e.getMessage());
        }
    }
    LOG.trace("Finished parsing TE LSP Objects.");
    return new TeLspAttributesCaseBuilder().setTeLspAttributes(builder.build()).build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.nlri.TeLspIpv4NlriParser.java

License:Open Source License

@Override
protected ObjectType parseObjectType(final ByteBuf buffer) {
    final TeLspCaseBuilder builder = new TeLspCaseBuilder();
    final Ipv4CaseBuilder ipv4CaseBuilder = new Ipv4CaseBuilder();
    ipv4CaseBuilder.setIpv4TunnelSenderAddress(Ipv4Util.addressForByteBuf(buffer));
    builder.setTunnelId(new TunnelId(buffer.readUnsignedShort()));
    builder.setLspId(new LspId((long) buffer.readUnsignedShort()));
    ipv4CaseBuilder.setIpv4TunnelEndpointAddress(Ipv4Util.addressForByteBuf(buffer));
    return builder.setAddressFamily(ipv4CaseBuilder.build()).build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.nlri.TeLspIpv6NlriParser.java

License:Open Source License

@Override
protected ObjectType parseObjectType(final ByteBuf buffer) {
    final TeLspCaseBuilder builder = new TeLspCaseBuilder();
    final Ipv6CaseBuilder ipv6CaseBuilder = new Ipv6CaseBuilder();
    ipv6CaseBuilder.setIpv6TunnelSenderAddress(Ipv6Util.addressForByteBuf(buffer));
    builder.setTunnelId(new TunnelId(buffer.readUnsignedShort()));
    builder.setLspId(new LspId((long) buffer.readUnsignedShort()));
    ipv6CaseBuilder.setIpv6TunnelEndpointAddress(Ipv6Util.addressForByteBuf(buffer));
    return builder.setAddressFamily(ipv6CaseBuilder.build()).build();
}

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  ava 2s  .  c  om
            throw new BGPParsingException("Link Descriptor not recognized, type: " + type);
        }
    }
    LOG.trace("Finished parsing Link descriptors.");
    return builder.build();
}