Example usage for io.netty.buffer ByteBuf readUnsignedInt

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

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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.pcep.impl.subobject.XROSRLGSubobjectParser.java

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
                + "; Expected: " + CONTENT_LENGTH + ".");
    }//w w w  .  j a  v  a2s  .  c o m
    final SubobjectBuilder builder = new SubobjectBuilder();
    builder.setMandatory(mandatory);

    builder.setSubobjectType(new SrlgCaseBuilder()
            .setSrlg(new SrlgBuilder().setSrlgId(new SrlgId(buffer.readUnsignedInt())).build()).build());
    buffer.readByte();
    builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.subobject.XROUnnumberedInterfaceSubobjectParser.java

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
                + "; Expected: " + CONTENT_LENGTH + ".");
    }// w w  w.  j a  v  a 2  s . com
    buffer.readerIndex(buffer.readerIndex() + RESERVED);
    final SubobjectBuilder builder = new SubobjectBuilder();
    builder.setMandatory(mandatory);
    builder.setAttribute(Attribute.forValue(buffer.readUnsignedByte()));
    final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
    ubuilder.setRouterId(buffer.readUnsignedInt());
    ubuilder.setInterfaceId(buffer.readUnsignedInt());
    builder.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
    return builder.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;
    }/*from  w  ww  .java 2  s  .c o m*/
    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.OrderTlvParser.java

License:Open Source License

@Override
public Order parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }/*w ww. ja v a2s .c o m*/
    return new OrderBuilder().setDelete(buffer.readUnsignedInt()).setSetup(buffer.readUnsignedInt()).build();
}

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

License:Open Source License

@Override
public OverloadDuration parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }// w  ww .  j a v a2 s  . co  m
    return new OverloadDurationBuilder().setDuration(buffer.readUnsignedInt()).build();
}

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

License:Open Source License

@Override
public ReqMissing parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }//from   w  w  w.  j  av a2 s. c o  m
    return new ReqMissingBuilder().setRequestId(new RequestId(buffer.readUnsignedInt())).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 + ".");
    }/*  www .  j  av a 2 s.c  o m*/
    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();
}

From source file:org.opendaylight.protocol.pcep.segment.routing.AbstractSrSubobjectParser.java

License:Open Source License

private static Nai parseNai(final SidType sidType, final ByteBuf buffer) {
    switch (sidType) {
    case Ipv4NodeId:
        return new IpNodeIdBuilder().setIpAddress(new IpAddress(Ipv4Util.addressForByteBuf(buffer))).build();
    case Ipv6NodeId:
        return new IpNodeIdBuilder().setIpAddress(new IpAddress(Ipv6Util.addressForByteBuf(buffer))).build();
    case Ipv4Adjacency:
        return new IpAdjacencyBuilder().setLocalIpAddress(new IpAddress(Ipv4Util.addressForByteBuf(buffer)))
                .setRemoteIpAddress(new IpAddress(Ipv4Util.addressForByteBuf(buffer))).build();
    case Ipv6Adjacency:
        return new IpAdjacencyBuilder().setLocalIpAddress(new IpAddress(Ipv6Util.addressForByteBuf(buffer)))
                .setRemoteIpAddress(new IpAddress(Ipv6Util.addressForByteBuf(buffer))).build();
    case Unnumbered:
        return new UnnumberedAdjacencyBuilder().setLocalNodeId(buffer.readUnsignedInt())
                .setLocalInterfaceId(buffer.readUnsignedInt()).setRemoteNodeId(buffer.readUnsignedInt())
                .setRemoteInterfaceId(buffer.readUnsignedInt()).build();
    default:/*from ww w  .  j a va2 s. com*/
        return null;
    }
}

From source file:org.opendaylight.protocol.pcep.segment.routing.AbstractSrSubobjectParser.java

License:Open Source License

protected static SrSubobject parseSrSubobject(final ByteBuf buffer) throws PCEPDeserializerException {
    final int sidTypeByte = buffer.readByte() >> SID_TYPE_BITS_OFFSET;
    final SidType sidType = SidType.forValue(sidTypeByte);
    final BitArray bitSet = BitArray.valueOf(buffer.readByte());
    final boolean f = bitSet.get(F_FLAG_POSITION);
    final boolean s = bitSet.get(S_FLAG_POSITION);
    final boolean c = bitSet.get(C_FLAG_POSITION);
    final boolean m = bitSet.get(M_FLAG_POSITION);

    if (f && s) {
        throw new PCEPDeserializerException("Both SID and NAI are absent in SR subobject.");
    }// www  . j a v a2s  .  c om
    Long tmp = null;
    if (!s) {
        if (m) {
            tmp = buffer.readUnsignedInt() >>> MPLS_LABEL_OFFSET;
        } else {
            tmp = buffer.readUnsignedInt();
        }
    }
    final Long sid = tmp;
    final Nai nai;
    if (sidType != null && !f) {
        nai = parseNai(sidType, buffer);
    } else {
        nai = null;
    }
    return new SrSubobjectImpl(m, c, sidType, sid, nai);
}

From source file:org.opendaylight.protocol.pcep.spi.AbstractMessageParser.java

License:Open Source License

private List<Object> parseObjects(final ByteBuf bytes) throws PCEPDeserializerException {
    final List<Object> objs = new ArrayList<>();
    while (bytes.isReadable()) {
        if (bytes.readableBytes() < COMMON_OBJECT_HEADER_LENGTH) {
            throw new PCEPDeserializerException("Too few bytes in passed array. Passed: "
                    + bytes.readableBytes() + " Expected: >= " + COMMON_OBJECT_HEADER_LENGTH + ".");
        }//from ww  w .ja  va  2 s.  c o  m
        final int objClass = bytes.readUnsignedByte();

        final byte flagsByte = bytes.readByte();
        final BitArray flags = BitArray.valueOf(flagsByte);
        final int objType = UnsignedBytes.toInt(ByteArray.copyBitsRange(flagsByte, OT_SF_OFFSET, OT_SF_LENGTH));
        final int objLength = bytes.readUnsignedShort();

        if (bytes.readableBytes() < objLength - COMMON_OBJECT_HEADER_LENGTH) {
            throw new PCEPDeserializerException("Too few bytes in passed array. Passed: "
                    + bytes.readableBytes() + " Expected: >= " + objLength + ".");
        }
        // copy bytes for deeper parsing
        final ByteBuf bytesToPass = bytes.readSlice(objLength - COMMON_OBJECT_HEADER_LENGTH);

        final ObjectHeader header = new ObjectHeaderImpl(flags.get(PROCESSED), flags.get(IGNORED));

        if (VendorInformationUtil.isVendorInformationObject(objClass, objType)) {
            final EnterpriseNumber enterpriseNumber = new EnterpriseNumber(bytesToPass.readUnsignedInt());
            final Optional<? extends Object> obj = this.registry.parseVendorInformationObject(enterpriseNumber,
                    header, bytesToPass);
            if (obj.isPresent()) {
                objs.add(obj.get());
            }
        } else {
            // parseObject is required to return null for P=0 errored objects
            final Object o = this.registry.parseObject(objClass, objType, header, bytesToPass);
            if (o != null) {
                objs.add(o);
            }
        }
    }

    return objs;
}