Example usage for io.netty.buffer ByteBuf readUnsignedByte

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

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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.pcep.ietf.stateful07.Stateful07RSVPErrorSpecTlvParser.java

License:Open Source License

private RsvpCase parseRsvp(final int classType, final ByteBuf buffer) {
    final RsvpErrorBuilder builder = new RsvpErrorBuilder();
    if (classType == RSVP_IPV4_ERROR_CLASS_TYPE) {
        builder.setNode(new IpAddress(Ipv4Util.addressForByteBuf(buffer)));
    } else if (classType == RSVP_IPV6_ERROR_CLASS_TYPE) {
        builder.setNode(new IpAddress(Ipv6Util.addressForByteBuf(buffer)));
    }/*from  w w  w .  j  ava  2s .c o m*/
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setFlags(new Flags(flags.get(IN_PLACE), flags.get(NOT_GUILTY)));
    final short errorCode = buffer.readUnsignedByte();
    builder.setCode(errorCode);
    final int errorValue = buffer.readUnsignedShort();
    builder.setValue(errorValue);
    return new RsvpCaseBuilder().setRsvpError(builder.build()).build();
}

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

License:Open Source License

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    // Explicit approval of empty ERO
    Preconditions.checkArgument(buffer != null, "Array of bytes is mandatory. Can't be null.");
    final List<Subobject> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean loose = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES)
                & ~(1 << Values.FIRST_BIT_OFFSET);
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }/*from   w  w  w.ja va  2  s.  c  o  m*/
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), loose);
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

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

License:Open Source License

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final List<Subobject> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedByte();
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }//from ww w . ja  v  a  2 s.c o m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length));
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

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

License:Open Source License

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final List<Subobject> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean mandatory = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = UnsignedBytes.checkedCast(
                (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES) & ~(1 << Values.FIRST_BIT_OFFSET));
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }//  w w  w . j a va  2s  .  c  o m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), mandatory);
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

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.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 .  ja va2  s  . c  om
    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.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 + ".");
    }/*from  w  ww. j  a va2s  . 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();
}

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

License:Open Source License

@Override
public Lspa 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 LspaBuilder builder = new LspaBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    builder.setExcludeAny(new AttributeFilter(bytes.readUnsignedInt()));
    builder.setIncludeAll(new AttributeFilter(bytes.readUnsignedInt()));
    builder.setIncludeAny(new AttributeFilter(bytes.readUnsignedInt()));
    builder.setSetupPriority(bytes.readUnsignedByte());
    builder.setHoldPriority(bytes.readUnsignedByte());

    final BitArray flags = BitArray.valueOf(bytes.readByte());
    builder.setLocalProtectionDesired(flags.get(L_FLAG_OFFSET));
    final TlvsBuilder tbuilder = new TlvsBuilder();
    bytes.skipBytes(RESERVED);//from w  w  w  .ja va  2s .c  om
    parseTlvs(tbuilder, bytes.slice());
    builder.setTlvs(tbuilder.build());
    return builder.build();
}

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

License:Open Source License

@Override
public Metric 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 + ".");
    }/*from ww  w  . j  av a2s  . com*/
    bytes.skipBytes(RESERVED);
    final BitArray flags = BitArray.valueOf(bytes.readByte());
    final MetricBuilder builder = new MetricBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    builder.setBound(flags.get(B_FLAG_OFFSET));
    builder.setComputed(flags.get(C_FLAG_OFFSET));
    builder.setMetricType(bytes.readUnsignedByte());
    builder.setValue(new Float32(ByteArray.readBytes(bytes, METRIC_VALUE_F_LENGTH)));
    return builder.build();
}