Example usage for io.netty.buffer ByteBuf isReadable

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

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Introduction

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

Prototype

public abstract boolean isReadable();

Source Link

Document

Returns true if and only if (this.writerIndex - this.readerIndex) is greater than 0 .

Usage

From source file:org.opendaylight.protocol.pcep.impl.tlv.AbstractVendorInformationTlvParser.java

License:Open Source License

@Override
public final VendorInformationTlv parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }/*  w w w  . ja v a 2  s . co  m*/
    final VendorInformationTlvBuilder viTlvBuider = new VendorInformationTlvBuilder();
    viTlvBuider.setEnterpriseNumber(getEnterpriseNumber());
    if (buffer.isReadable()) {
        final EnterpriseSpecificInformation esInformation = parseEnterpriseSpecificInformation(buffer.slice());
        if (esInformation != null) {
            viTlvBuider.setEnterpriseSpecificInformation(esInformation);
        }
    }
    return viTlvBuider.build();
}

From source file:org.opendaylight.protocol.pcep.impl.tlv.AbstractVendorSpecificTlvParser.java

License:Open Source License

@Override
public VsTlv parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }/*w ww.j  a v  a2s  .  c  om*/
    final VsTlvBuilder vsTlvBuider = new VsTlvBuilder();
    final long en = buffer.readUnsignedInt();
    if (en == getEnterpriseNumber()) {
        vsTlvBuider.setEnterpriseNumber(new EnterpriseNumber(getEnterpriseNumber()));
        VendorPayload vendorPayload = null;
        if (buffer.isReadable()) {
            final ByteBuf payloadBytes = buffer.slice();
            vendorPayload = parseVendorPayload(payloadBytes);
            if (vendorPayload != null) {
                vsTlvBuider.setVendorPayload(vendorPayload);
            }
        }
    }
    return vsTlvBuider.build();
}

From source file:org.opendaylight.protocol.pcep.impl.tlv.OFListTlvParser.java

License:Open Source License

@Override
public OfList parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }/*from w  w w.j  a  v a2s  . c  o  m*/
    if (buffer.readableBytes() % OF_CODE_ELEMENT_LENGTH != 0) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ".");
    }
    final List<OfId> ofCodes = Lists.newArrayList();
    while (buffer.isReadable()) {
        ofCodes.add(new OfId(buffer.readUnsignedShort()));
    }
    return new OfListBuilder().setCodes(ofCodes).build();
}

From source file:org.opendaylight.protocol.pcep.parser.object.PCEPExistingBandwidthObjectParser.java

License:Open Source License

@Override
public ReoptimizationBandwidth parseObject(final ObjectHeader header, final ByteBuf bytes)
        throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (bytes.readableBytes() != PCEPBandwidthObjectParser.BANDWIDTH_F_LENGTH) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes()
                + "; Expected: " + PCEPBandwidthObjectParser.BANDWIDTH_F_LENGTH + ".");
    }//from   w  ww.  j  a  v a 2s  .  c  o  m
    final ReoptimizationBandwidthBuilder builder = new ReoptimizationBandwidthBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    builder.setBandwidth(
            new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(
                    ByteArray.getAllBytes(bytes)));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.parser.object.PCEPIncludeRouteObjectParser.java

License:Open Source License

@Override
public Iro parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final IroBuilder builder = new IroBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    final List<Subobject> subs = new ArrayList<>();
    for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.Subobject s : parseSubobjects(
            bytes)) {//ww  w  . j  a  v a  2s .co  m
        subs.add(new SubobjectBuilder().setLoose(s.isLoose()).setSubobjectType(s.getSubobjectType()).build());
    }
    builder.setSubobject(subs);
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.pcc.mock.PCCEndPointIpv4ObjectParser.java

License:Open Source License

@Override
public Object parseObject(ObjectHeader header, ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final EndpointsObjBuilder builder = new EndpointsObjBuilder();
    if (bytes.readableBytes() != Ipv4Util.IP4_LENGTH * 2) {
        throw new PCEPDeserializerException("Wrong length of array of bytes.");
    }//from   w  ww.  j ava 2  s  . c  o  m
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    final Ipv4Builder b = new Ipv4Builder();
    b.setSourceIpv4Address(Ipv4Util.addressForByteBuf(bytes));
    b.setDestinationIpv4Address((Ipv4Util.addressForByteBuf(bytes)));
    builder.setAddressFamily(new Ipv4CaseBuilder().setIpv4(b.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.pcecc.PceccFecIpv4AdjacencyObjectParser.java

License:Open Source License

@Override
public Fec parseObject(final ObjectHeader header, final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (buffer.readableBytes() < MIN_SIZE) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
                + "; Expected: >=" + MIN_SIZE + ".");
    }//from  w  w w.j av  a2  s  . c o  m
    final FecBuilder builder = new FecBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    final Ipv4AdjacencyCaseBuilder IpAdjacencybuilder = new Ipv4AdjacencyCaseBuilder();
    IpAdjacencybuilder.setLocalIpAddress(Ipv4Util.addressForByteBuf(buffer));
    IpAdjacencybuilder.setRemoteIpAddress(Ipv4Util.addressForByteBuf(buffer));
    builder.setFec(IpAdjacencybuilder.build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.pcecc.PceccFecIpv4ObjectParser.java

License:Open Source License

@Override
public Fec parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (bytes.readableBytes() < MIN_SIZE) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes()
                + "; Expected: >=" + MIN_SIZE + ".");
    }/*from   w w  w . j  a  v  a2 s  .co m*/
    final FecBuilder builder = new FecBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    final Ipv4NodeIdCaseBuilder Ipbuilder = new Ipv4NodeIdCaseBuilder();
    Ipbuilder.setNodeId(Ipv4Util.addressForByteBuf(bytes));
    builder.setFec(Ipbuilder.build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.pcecc.PceccFecObjectParser.java

License:Open Source License

@Override
public Fec parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (bytes.readableBytes() < MIN_SIZE) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes()
                + "; Expected: >=" + MIN_SIZE + ".");
    }/*from w  ww .jav a 2  s  . co m*/
    final FecBuilder builder = new FecBuilder();
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.pcecc.PceccLabelObjectParser.java

License:Open Source License

@Override
public Label parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
    Preconditions.checkArgument(bytes != null && bytes.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (bytes.readableBytes() < MIN_SIZE) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes()
                + "; Expected: >=" + MIN_SIZE + ".");
    }// w  w w  . j a  v  a 2  s.  c om
    final LabelBuilder builder = new LabelBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(RESERVED + SKIP_BYTE);
    byte outLabel = bytes.readByte();
    if ((byte) (outLabel & OUT_LABEL_BYTE) == OUT_LABEL_BYTE) {
        builder.setOutLabel(true);
    } else {
        builder.setOutLabel(false);
    }
    ByteBuf lableBuff = bytes.readBytes((LABEL_SIZE + RESERVED_LABEL) / Byte.SIZE);
    builder.setLabelNum(new LabelNumber(lableBuff.readUnsignedInt() >> RESERVED_LABEL));
    final TlvsBuilder tlvsBuilder = new TlvsBuilder();
    ByteBuf tlvBytes = bytes.slice();
    parseTlvs(tlvsBuilder, tlvBytes);
    builder.setTlvs(tlvsBuilder.build());
    return builder.build();
}