Example usage for io.netty.buffer ByteBuf readUnsignedInt

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

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBuf
  6. readUnsignedInt

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.attribute.PrefixAttributesParser.java

License:Open Source License

private static void parseAttribute(final int key, final ByteBuf value, final ProtocolId protocolId,
        final PrefixAttributesBuilder builder, final List<RouteTag> routeTags,
        final List<ExtendedRouteTag> exRouteTags) {
    switch (key) {
    case IGP_FLAGS:
        final BitArray flags = BitArray.valueOf(value, FLAGS_SIZE);
        final boolean upDownBit = flags.get(UP_DOWN_BIT);
        builder.setIgpBits(new IgpBitsBuilder().setUpDown(new UpDown(upDownBit)).build());
        LOG.debug("Parsed IGP flag (up/down bit) : {}", upDownBit);
        break;// w w w.  ja v  a  2s .  co  m
    case ROUTE_TAG:
        parseRouteTags(routeTags, value);
        break;
    case EXTENDED_ROUTE_TAG:
        parseExtendedRouteTags(exRouteTags, value);
        break;
    case PREFIX_METRIC:
        final IgpMetric metric = new IgpMetric(value.readUnsignedInt());
        builder.setPrefixMetric(metric);
        LOG.debug("Parsed Metric: {}", metric);
        break;
    case FORWARDING_ADDRESS:
        final IpAddress fwdAddress = parseForwardingAddress(value);
        builder.setOspfForwardingAddress(fwdAddress);
        LOG.debug("Parsed FWD Address: {}", fwdAddress);
        break;
    case PREFIX_OPAQUE:
        if (LOG.isDebugEnabled()) {
            LOG.debug("Parsed Opaque value: {}, not preserving it", ByteBufUtil.hexDump(value));
        }
        break;
    case PREFIX_SID:
        final SrPrefix prefix = SrPrefixAttributesParser.parseSrPrefix(value, protocolId);
        builder.setSrPrefix(prefix);
        LOG.debug("Parsed SR Prefix: {}", prefix);
        break;
    case RANGE:
        final SrRange range = RangeTlvParser.parseSrRange(value, protocolId);
        builder.setSrRange(range);
        LOG.debug("Parsed SR Range: {}", range);
        break;
    case BINDING_SID:
        final SrBindingSidLabels label = BindingSidLabelParser.parseBindingSidLabel(value, protocolId);
        if (builder.getSrBindingSidLabels() != null) {
            builder.getSrBindingSidLabels().add(label);
        } else {
            final List<SrBindingSidLabels> labels = new ArrayList<SrBindingSidLabels>();
            labels.add(label);
            builder.setSrBindingSidLabels(labels);
        }
        LOG.debug("Parsed SR Binding SID {}", label);
        break;
    default:
        LOG.warn("TLV {} is not a valid prefix attribute, ignoring it", key);
    }
}

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

License:Open Source License

private static void parseSubTlv(final int type, final ByteBuf slice, final BindingSubTlvsBuilder builder,
        final ProtocolId protocolId) {
    switch (type) {
    case SidLabelIndexParser.SID_TYPE:
        final SidLabelIndex sid = SidLabelIndexParser.parseSidLabelIndex(Size.forValue(slice.readableBytes()),
                slice);/*  w  ww .  j  a v  a  2 s .c  om*/
        builder.setBindingSubTlv(new SidLabelCaseBuilder().setSidLabelIndex(sid).build());
        break;
    case PrefixAttributesParser.PREFIX_SID:
        final SrPrefix prefix = SrPrefixAttributesParser.parseSrPrefix(slice, protocolId);
        builder.setBindingSubTlv(new PrefixSidCaseBuilder().setAlgorithm(prefix.getAlgorithm())
                .setFlags(prefix.getFlags()).setSidLabelIndex(prefix.getSidLabelIndex()).build());
        break;
    case ERO_METRIC:
        builder.setBindingSubTlv(
                new EroMetricCaseBuilder().setEroMetric(new TeMetric(slice.readUnsignedInt())).build());
        break;
    case ERO_IPV4:
        final Ipv4EroCase ipv4Ero = parseIpv4EroCase(slice);
        builder.setBindingSubTlv(
                new Ipv4EroCaseBuilder().setAddress(ipv4Ero.getAddress()).setLoose(ipv4Ero.isLoose()).build());
        break;
    case BACKUP_ERO_IPV4:
        final Ipv4EroCase ipv4Backup = parseIpv4EroCase(slice);
        builder.setBindingSubTlv(new Ipv4EroBackupCaseBuilder().setAddress(ipv4Backup.getAddress())
                .setLoose(ipv4Backup.isLoose()).build());
        break;
    case ERO_IPV6:
        final Ipv6EroCase ipv6ero = parseIpv6EroCase(slice);
        builder.setBindingSubTlv(
                new Ipv6EroCaseBuilder().setAddress(ipv6ero.getAddress()).setLoose(ipv6ero.isLoose()).build());
        break;
    case BACKUP_ERO_IPV6:
        final Ipv6EroCase ipv6backup = parseIpv6EroCase(slice);
        builder.setBindingSubTlv(new Ipv6EroBackupCaseBuilder().setAddress(ipv6backup.getAddress())
                .setLoose(ipv6backup.isLoose()).build());
        break;
    case UNNUMBERED_ERO:
        final UnnumberedInterfaceIdEroCase unnumbered = parseUnnumberedEroCase(slice);
        builder.setBindingSubTlv(new UnnumberedInterfaceIdEroCaseBuilder().setLoose(unnumbered.isLoose())
                .setRouterId(unnumbered.getRouterId()).setInterfaceId(unnumbered.getInterfaceId()).build());
        break;
    case BACKUP_UNNUMBERED_ERO:
        final UnnumberedInterfaceIdEroCase unnumberedBackup = parseUnnumberedEroCase(slice);
        builder.setBindingSubTlv(new UnnumberedInterfaceIdBackupEroCaseBuilder()
                .setLoose(unnumberedBackup.isLoose()).setRouterId(unnumberedBackup.getRouterId())
                .setInterfaceId(unnumberedBackup.getInterfaceId()).build());
        break;
    default:
        LOG.info("Unknown binding sub Tlv type {}", type);
        break;
    }
}

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

License:Open Source License

private static UnnumberedInterfaceIdEroCase parseUnnumberedEroCase(final ByteBuf buffer) {
    final UnnumberedInterfaceIdEroCaseBuilder builder = new UnnumberedInterfaceIdEroCaseBuilder();
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setLoose(flags.get(LOOSE));//ww w.j a v a 2  s.  co m
    buffer.skipBytes(RESERVED_ERO);
    builder.setRouterId(buffer.readUnsignedInt());
    builder.setInterfaceId(buffer.readUnsignedInt());
    return builder.build();
}

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

License:Open Source License

static SidLabelIndex parseSidLabelIndex(final Size length, final ByteBuf buffer) {
    switch (length) {
    case LABEL:/*from  w  ww  .  j  a  v a  2s.c o  m*/
        return new LocalLabelCaseBuilder()
                .setLocalLabel(new MplsLabel(new Long(buffer.readUnsignedMedium() & LABEL_MASK))).build();
    case SID:
        return new SidCaseBuilder().setSid(buffer.readUnsignedInt()).build();
    case IPV6_ADD:
        return new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(buffer)).build();
    default:
        return null;
    }
}

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

License:Open Source License

/**
 * Parse Link Attributes.// ww w.j a v  a 2s  .c om
 *
 * @param attributes key is the tlv type and value is the value of the tlv
 * @param protocolId to differentiate parsing methods
 * @return {@link LinkStateAttribute}
 */
static LinkStateAttribute parseLinkAttributes(final Multimap<Integer, ByteBuf> attributes,
        final ProtocolId protocolId) {
    final LinkAttributesBuilder builder = new LinkAttributesBuilder();
    final List<SrAdjIds> srAdjIds = new ArrayList<>();
    final List<SrLanAdjIds> srLanAdjIds = new ArrayList<>();
    final List<PeerSetSids> peerSetSids = new ArrayList<>();
    for (final Entry<Integer, ByteBuf> entry : attributes.entries()) {
        LOG.trace("Link attribute TLV {}", entry.getKey());
        final int key = entry.getKey();
        final ByteBuf value = entry.getValue();
        switch (key) {
        case TlvUtil.LOCAL_IPV4_ROUTER_ID:
            builder.setLocalIpv4RouterId(new Ipv4RouterIdentifier(Ipv4Util.addressForByteBuf(value)));
            LOG.debug("Parsed IPv4 Router-ID of local node: {}", builder.getLocalIpv4RouterId());
            break;
        case TlvUtil.LOCAL_IPV6_ROUTER_ID:
            builder.setLocalIpv6RouterId(new Ipv6RouterIdentifier(Ipv6Util.addressForByteBuf(value)));
            LOG.debug("Parsed IPv6 Router-ID of local node: {}", builder.getLocalIpv6RouterId());
            break;
        case REMOTE_IPV4_ROUTER_ID:
            builder.setRemoteIpv4RouterId(new Ipv4RouterIdentifier(Ipv4Util.addressForByteBuf(value)));
            LOG.debug("Parsed IPv4 Router-ID of remote node: {}", builder.getRemoteIpv4RouterId());
            break;
        case REMOTE_IPV6_ROUTER_ID:
            builder.setRemoteIpv6RouterId(new Ipv6RouterIdentifier(Ipv6Util.addressForByteBuf(value)));
            LOG.debug("Parsed IPv6 Router-ID of remote node: {}", builder.getRemoteIpv6RouterId());
            break;
        case ADMIN_GROUP:
            builder.setAdminGroup(new AdministrativeGroup(value.readUnsignedInt()));
            LOG.debug("Parsed Administrative Group {}", builder.getAdminGroup());
            break;
        case MAX_BANDWIDTH:
            builder.setMaxLinkBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
            LOG.debug("Parsed Max Bandwidth {}", builder.getMaxLinkBandwidth());
            break;
        case MAX_RESERVABLE_BANDWIDTH:
            builder.setMaxReservableBandwidth(new Bandwidth(ByteArray.readAllBytes(value)));
            LOG.debug("Parsed Max Reservable Bandwidth {}", builder.getMaxReservableBandwidth());
            break;
        case UNRESERVED_BANDWIDTH:
            parseUnreservedBandwidth(value, builder);
            break;
        case TE_METRIC:
            builder.setTeMetric(new TeMetric(ByteArray.bytesToLong(ByteArray.readAllBytes(value))));
            LOG.debug("Parsed Metric {}", builder.getTeMetric());
            break;
        case LINK_PROTECTION_TYPE:
            builder.setLinkProtection(LinkProtectionType.forValue(value.readShort()));
            LOG.debug("Parsed Link Protection Type {}", builder.getLinkProtection());
            break;
        case MPLS_PROTOCOL:
            final BitArray bits = BitArray.valueOf(value, FLAGS_SIZE);
            builder.setMplsProtocol(new MplsProtocolMask(bits.get(LDP_BIT), bits.get(RSVP_BIT)));
            LOG.debug("Parsed MPLS Protocols: {}", builder.getMplsProtocol());
            break;
        case METRIC:
            // length can 3, 2 or 1
            builder.setMetric(new Metric(ByteArray.bytesToLong(ByteArray.readAllBytes(value))));
            LOG.debug("Parsed Metric {}", builder.getMetric());
            break;
        case SHARED_RISK_LINK_GROUP:
            parseSrlg(value, builder);
            break;
        case LINK_OPAQUE:
            LOG.debug("Parsed Opaque value : {}", ByteBufUtil.hexDump(value));
            break;
        case LINK_NAME:
            builder.setLinkName(new String(ByteArray.readAllBytes(value), StandardCharsets.US_ASCII));
            LOG.debug("Parsed Link Name : {}", builder.getLinkName());
            break;
        case SR_ADJ_ID:
            srAdjIds.add(SrLinkAttributesParser.parseAdjacencySegmentIdentifier(value, protocolId));
            LOG.debug("Parsed Adjacency Segment Identifier :{}", srAdjIds.get(srAdjIds.size() - 1));
            break;
        case SR_LAN_ADJ_ID:
            srLanAdjIds.add(SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(value, protocolId));
            LOG.debug("Parsed Adjacency Segment Identifier :{}", srLanAdjIds.get(srLanAdjIds.size() - 1));
            break;
        case PEER_NODE_SID_CODE:
            builder.setPeerNodeSid(
                    new PeerNodeSidBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value))
                            .build());
            LOG.debug("Parsed Peer Segment Identifier :{}", builder.getPeerNodeSid());
            break;
        case PEER_ADJ_SID_CODE:
            builder.setPeerAdjSid(
                    new PeerAdjSidBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value))
                            .build());
            LOG.debug("Parsed Peer Segment Identifier :{}", builder.getPeerAdjSid());
            break;
        case PEER_SET_SID_CODE:
            peerSetSids.add(
                    new PeerSetSidsBuilder(SrLinkAttributesParser.parseEpeAdjacencySegmentIdentifier(value))
                            .build());
            LOG.debug("Parsed Peer Set Sid :{}", peerSetSids.get(peerSetSids.size() - 1));
            break;
        default:
            LOG.warn("TLV {} is not a valid link attribute, ignoring it", key);
        }
    }
    if (!srAdjIds.isEmpty()) {
        builder.setSrAdjIds(srAdjIds);
    }
    if (!srLanAdjIds.isEmpty()) {
        builder.setSrLanAdjIds(srLanAdjIds);
    }
    if (!peerSetSids.isEmpty()) {
        builder.setPeerSetSids(peerSetSids);
    }
    LOG.trace("Finished parsing Link Attributes.");
    return new LinkAttributesCaseBuilder().setLinkAttributes(builder.build()).build();
}

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

License:Open Source License

private static void parseAttribute(final int key, final ByteBuf value, final ProtocolId protocolId,
        final PrefixAttributesBuilder builder, final List<RouteTag> routeTags,
        final List<ExtendedRouteTag> exRouteTags) {
    switch (key) {
    case IGP_FLAGS:
        parseIgpFags(builder, value);/*  w w  w  . ja v a  2 s. c  o m*/
        break;
    case ROUTE_TAG:
        parseRouteTags(routeTags, value);
        break;
    case EXTENDED_ROUTE_TAG:
        parseExtendedRouteTags(exRouteTags, value);
        break;
    case PREFIX_METRIC:
        final IgpMetric metric = new IgpMetric(value.readUnsignedInt());
        builder.setPrefixMetric(metric);
        LOG.debug("Parsed Metric: {}", metric);
        break;
    case FORWARDING_ADDRESS:
        final IpAddress fwdAddress = parseForwardingAddress(value);
        builder.setOspfForwardingAddress(fwdAddress);
        LOG.debug("Parsed FWD Address: {}", fwdAddress);
        break;
    case PREFIX_OPAQUE:
        if (LOG.isDebugEnabled()) {
            LOG.debug("Parsed Opaque value: {}, not preserving it", ByteBufUtil.hexDump(value));
        }
        break;
    case PREFIX_SID:
        final SrPrefix prefix = SrPrefixAttributesParser.parseSrPrefix(value, protocolId);
        builder.setSrPrefix(prefix);
        LOG.debug("Parsed SR Prefix: {}", prefix);
        break;
    case IPV6_PREFIX_SID:
        final Ipv6SrPrefix ipv6Prefix = Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(value);
        builder.setIpv6SrPrefix(ipv6Prefix);
        LOG.debug("Parsed Ipv6 SR Prefix: {}", ipv6Prefix);
        break;
    case RANGE:
        final SrRange range = RangeTlvParser.parseSrRange(value, protocolId);
        builder.setSrRange(range);
        LOG.debug("Parsed SR Range: {}", range);
        break;
    case BINDING_SID:
        parseBindingSid(builder, value, protocolId);
        break;
    default:
        LOG.warn("TLV {} is not a valid prefix attribute, ignoring it", key);
    }
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs.EroMetricParser.java

License:Open Source License

@Override
public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
    return new EroMetricCaseBuilder().setEroMetric(new TeMetric(slice.readUnsignedInt())).build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs.UnnumberedEroParser.java

License:Open Source License

static UnnumberedInterfaceIdEroCase parseUnnumberedEroCase(final ByteBuf buffer) {
    final UnnumberedInterfaceIdEroCaseBuilder builder = new UnnumberedInterfaceIdEroCaseBuilder();
    final BitArray flags = BitArray.valueOf(buffer, Ipv4EroParser.FLAGS_SIZE);
    builder.setLoose(flags.get(Ipv4EroParser.LOOSE));
    buffer.skipBytes(Ipv4EroParser.RESERVED_ERO);
    builder.setRouterId(buffer.readUnsignedInt());
    builder.setInterfaceId(buffer.readUnsignedInt());
    return builder.build();
}

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

License:Open Source License

public static SidLabelIndex parseSidLabelIndex(final Size length, final ByteBuf buffer) {
    switch (length) {
    case LABEL:/*from   ww w . j ava  2  s.  c o m*/
        return new LocalLabelCaseBuilder()
                .setLocalLabel(new MplsLabel(new Long(buffer.readUnsignedMedium() & LABEL_MASK))).build();
    case SID:
        return new SidCaseBuilder().setSid(buffer.readUnsignedInt()).build();
    case IPV6_ADD:
        return new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(buffer)).build();
    default:
        return null;
    }
}

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

License:Open Source License

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