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.object.PCEPClassTypeObjectParser.java

License:Open Source License

@Override
public Object 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 (!header.isProcessingRule()) {
        LOG.debug("Processed bit not set on CLASS TYPE OBJECT, ignoring it");
        return null;
    }//from w  w  w .j  av a  2  s  .c  om
    if (bytes.readableBytes() != SIZE) {
        throw new PCEPDeserializerException("Size of byte array doesn't match defined size. Expected: " + SIZE
                + "; Passed: " + bytes.readableBytes());
    }
    final ClassTypeBuilder builder = new ClassTypeBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    final short ct = (short) bytes.readUnsignedInt();
    builder.setClassType(
            new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ClassType(
                    ct));

    final Object obj = builder.build();
    if (ct < 0 || ct > Byte.SIZE) {
        LOG.debug("Invalid class type {}", ct);
        return new UnknownObject(PCEPErrors.INVALID_CT, obj);
    }
    return obj;
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPCloseObjectParser.java

License:Open Source License

@Override
public CClose 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 CCloseBuilder builder = new CCloseBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(FLAGS_F_LENGTH + RESERVED);
    builder.setReason(bytes.readUnsignedByte());
    final TlvsBuilder tlvsBuilder = new TlvsBuilder();
    parseTlvs(tlvsBuilder, bytes.slice());
    builder.setTlvs(tlvsBuilder.build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPEndPointsIpv4ObjectParser.java

License:Open Source License

@Override
public Object 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 EndpointsObjBuilder builder = new EndpointsObjBuilder();
    if (!header.isProcessingRule()) {
        LOG.debug("Processed bit not set on Endpoints OBJECT, ignoring it.");
        return new UnknownObject(PCEPErrors.P_FLAG_NOT_SET, builder.build());
    }/*  w  w w. j  a  v  a2 s . co m*/
    if (bytes.readableBytes() != Ipv4Util.IP4_LENGTH * 2) {
        throw new PCEPDeserializerException("Wrong length of array of bytes.");
    }
    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.impl.object.PCEPEndPointsIpv6ObjectParser.java

License:Open Source License

@Override
public Object 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 EndpointsObjBuilder builder = new EndpointsObjBuilder();
    if (!header.isProcessingRule()) {
        LOG.debug("Processed bit not set on Endpoints OBJECT, ignoring it.");
        return new UnknownObject(PCEPErrors.P_FLAG_NOT_SET, builder.build());
    }//from   w  w  w . j  ava 2  s .  co  m
    if (bytes.readableBytes() != Ipv6Util.IPV6_LENGTH * 2) {
        throw new PCEPDeserializerException("Wrong length of array of bytes.");
    }
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    final Ipv6Builder b = new Ipv6Builder();
    b.setSourceIpv6Address(Ipv6Util.addressForByteBuf(bytes));
    b.setDestinationIpv6Address(Ipv6Util.addressForByteBuf(bytes));
    builder.setAddressFamily(new Ipv6CaseBuilder().setIpv6(b.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPErrorObjectParser.java

License:Open Source License

@Override
public ErrorObject 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 ErrorObjectBuilder builder = new ErrorObjectBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(FLAGS_F_LENGTH + RESERVED);
    builder.setType(bytes.readUnsignedByte());
    builder.setValue(bytes.readUnsignedByte());
    parseTlvs(builder, bytes.slice());/*  www .  j  a  v  a2s.  c  om*/
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPExcludeRouteObjectParser.java

License:Open Source License

@Override
public Xro 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 XroBuilder builder = new XroBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(FLAGS_OFFSET);/*from w  w  w. j a va  2 s  .  c om*/
    builder.setFlags(new Flags(bytes.readBoolean()));
    builder.setSubobject(parseSubobjects(bytes.slice()));
    return builder.build();
}

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

License:Open Source License

@Override
public Bandwidth 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  ww  w  . j av  a  2 s.co m
    final BandwidthBuilder builder = new BandwidthBuilder();
    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.impl.object.PCEPGlobalConstraintsObjectParser.java

License:Open Source License

@Override
public Gc 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 GcBuilder builder = new GcBuilder();

    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    builder.setMaxHop(bytes.readUnsignedByte());
    builder.setMaxUtilization(bytes.readUnsignedByte());
    builder.setMinUtilization(bytes.readUnsignedByte());
    builder.setOverBookingFactor(bytes.readUnsignedByte());
    final TlvsBuilder tlvsBuilder = new TlvsBuilder();
    parseTlvs(tlvsBuilder, bytes.slice());
    builder.setTlvs(tlvsBuilder.build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.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)) {//  w  w  w. jav a2s  .c  om
        subs.add(new SubobjectBuilder().setSubobjectType(s.getSubobjectType()).build());
    }
    builder.setSubobject(subs);
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPLoadBalancingObjectParser.java

License:Open Source License

@Override
public LoadBalancing 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() != SIZE) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes()
                + "; Expected: " + SIZE + ".");
    }//  w  w w  . j  a  va 2s .  c  o  m
    final LoadBalancingBuilder builder = new LoadBalancingBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(RESERVED + FLAGS_F_LENGTH);
    builder.setMaxLsp(bytes.readUnsignedByte());
    builder.setMinBandwidth(new Bandwidth(ByteArray.readAllBytes(bytes)));
    return builder.build();
}