Example usage for io.netty.buffer ByteBuf readUnsignedByte

Introduction

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

Prototype

public abstract short readUnsignedByte();

Source Link

Document

Gets an unsigned byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

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

License:Open Source License

public static SrPrefix parseSrPrefix(final ByteBuf buffer, final ProtocolId protocol) {
    final SrPrefixBuilder builder = new SrPrefixBuilder();
    builder.setFlags(parsePrefixFlags(BitArray.valueOf(buffer, FLAGS_SIZE), protocol));
    builder.setAlgorithm(Algorithm.forValue(buffer.readUnsignedByte()));
    buffer.skipBytes(RESERVED_PREFIX);/*from   w  w  w .j  a  va  2 s  .c o  m*/
    builder.setSidLabelIndex(
            SidLabelIndexParser.parseSidLabelIndex(Size.forValue(buffer.readableBytes()), buffer));
    return builder.build();
}

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 {//from w  ww . j a v  a 2 s  . 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.BindingSidLabelParser.java

License:Open Source License

public static SrBindingSidLabels parseBindingSidLabel(final ByteBuf buffer, final ProtocolId protocolId) {
    final SrBindingSidLabelsBuilder bindingSid = new SrBindingSidLabelsBuilder();
    bindingSid.setWeight(new Weight(buffer.readUnsignedByte()));
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    bindingSid.setFlags(parseBindingSidFlags(flags, protocolId));
    buffer.skipBytes(RESERVED_BINDING_SID);
    bindingSid.setBindingSubTlvs(/*from  w ww. j a v  a2 s.  c o m*/
            SimpleBindingSubTlvsRegistry.getInstance().parseBindingSubTlvs(buffer, protocolId));
    return bindingSid.build();
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.Ipv6SrPrefixAttributesParser.java

License:Open Source License

public static Ipv6SrPrefix parseSrIpv6Prefix(final ByteBuf buffer) {
    final Ipv6SrPrefixBuilder builder = new Ipv6SrPrefixBuilder();
    buffer.skipBytes(FLAGS_SIZE);// www  .j a v a2s .co  m
    builder.setAlgorithm(Algorithm.forValue(buffer.readUnsignedByte()));
    return builder.build();
}

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

License:Open Source License

public static SrAdjIds parseAdjacencySegmentIdentifier(final ByteBuf buffer, final ProtocolId protocolId) {
    final Flags adjFlags;
    final Weight weight;
    final SidLabelIndex sidValue;
    if (buffer.isReadable()) {
        final BitArray flags = BitArray.valueOf(buffer, FLAGS_BITS_SIZE);
        adjFlags = parseFlags(flags, protocolId);
        weight = new Weight(buffer.readUnsignedByte());
        buffer.skipBytes(RESERVED);/* w  ww.j a  v a2 s .  c o m*/
        sidValue = SidLabelIndexParser.parseSidLabelIndex(Size.forValue(buffer.readableBytes()), buffer);
    } else {
        adjFlags = null;
        weight = null;
        sidValue = null;
    }
    return new SrAdjIdsBuilder().setFlags(adjFlags).setSidLabelIndex(sidValue).setWeight(weight).build();
}

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

License:Open Source License

public static EpeAdjSidTlv parseEpeAdjacencySegmentIdentifier(final ByteBuf buffer) {
    final Weight weight;
    final SidLabelIndex sidValue;
    if (buffer.isReadable()) {
        buffer.skipBytes(FLAGS_BYTE_SIZE);
        weight = new Weight(buffer.readUnsignedByte());
        buffer.skipBytes(RESERVED);//from   w w w  . ja va  2  s . c  om
        sidValue = SidLabelIndexParser.parseSidLabelIndex(Size.forValue(buffer.readableBytes()), buffer);
    } else {
        weight = null;
        sidValue = null;
    }
    return new EpeAdjSidTlv() {
        @Override
        public Class<? extends DataContainer> getImplementedInterface() {
            return EpeAdjSidTlv.class;
        }

        @Override
        public Weight getWeight() {
            return weight;
        }

        @Override
        public SidLabelIndex getSidLabelIndex() {
            return sidValue;
        }
    };
}

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

License:Open Source License

public static SrLanAdjIds parseLanAdjacencySegmentIdentifier(final ByteBuf buffer,
        final ProtocolId protocolId) {
    if (!buffer.isReadable()) {
        return new SrLanAdjIdsBuilder().build();
    }// w  w  w  .  j a  v  a2  s  . c om
    final SrLanAdjIdsBuilder srLanAdjIdBuilder = new SrLanAdjIdsBuilder();
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_BITS_SIZE);
    srLanAdjIdBuilder.setFlags(parseFlags(flags, protocolId));
    srLanAdjIdBuilder.setWeight(new Weight(buffer.readUnsignedByte()));
    buffer.skipBytes(RESERVED);
    switch (protocolId) {
    case IsisLevel1:
    case IsisLevel2:
        srLanAdjIdBuilder
                .setIsoSystemId(new IsoSystemIdentifier(ByteArray.readBytes(buffer, ISO_SYSTEM_ID_SIZE)));
        break;
    case Ospf:
    case OspfV3:
        srLanAdjIdBuilder.setNeighborId(Ipv4Util.addressForByteBuf(buffer));
        break;
    default:
        return null;
    }
    // length determines a type of next field, which is used for parsing
    srLanAdjIdBuilder.setSidLabelIndex(
            SidLabelIndexParser.parseSidLabelIndex(Size.forValue(buffer.readableBytes()), buffer));
    return srLanAdjIdBuilder.build();
}

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 {/*ww  w .j a va2  s  .  com*/
            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.tlvs.OspfRouteTlvParser.java

License:Open Source License

@Override
public OspfRouteType parseTlvBody(final ByteBuf value) {
    return OspfRouteType.forValue(value.readUnsignedByte());
}

From source file:org.opendaylight.protocol.bgp.linkstate.spi.AbstractNlriTypeCodec.java

License:Open Source License

@Override
public final CLinkstateDestination parseTypeNlri(final ByteBuf nlri) {
    final CLinkstateDestinationBuilder builder = new CLinkstateDestinationBuilder();
    builder.setProtocolId(ProtocolId.forValue(nlri.readUnsignedByte()));
    builder.setIdentifier(new Identifier(BigInteger.valueOf(nlri.readLong())));
    builder.setObjectType(parseObjectType(nlri));
    return builder.build();
}