Example usage for io.netty.buffer ByteBuf slice

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

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Introduction

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

Prototype

public abstract ByteBuf slice();

Source Link

Document

Returns a slice of this buffer's readable bytes.

Usage

From source file:org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07RSVPErrorSpecTlvParser.java

License:Open Source License

@Override
public RsvpErrorSpec parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
    if (buffer == null) {
        return null;
    }/* ww w.  j a v a2s  . co m*/
    // throw away contents of length field
    buffer.readUnsignedShort();
    final int classNum = buffer.readUnsignedByte();
    final int classType = buffer.readUnsignedByte();
    ErrorType errorType = null;
    if (classNum == RSVP_ERROR_CLASS_NUM) {
        errorType = parseRsvp(classType, buffer.slice());
    } else if (classNum == USER_ERROR_CLASS_NUM && classType == USER_ERROR_CLASS_TYPE) {
        errorType = parseUserError(buffer.slice());
    }
    return new RsvpErrorSpecBuilder().setErrorType(errorType).build();
}

From source file:org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07SrpObjectParser.java

License:Open Source License

@Override
public Srp 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.jav  a  2 s .  co m
    final SrpBuilder builder = new SrpBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    parseFlags(builder, bytes);
    builder.setOperationId(new SrpIdNumber(bytes.readUnsignedInt()));
    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.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());
    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  va2s.  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.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.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   ww  w.jav  a2s . c  om
    parseTlvs(tbuilder, bytes.slice());
    builder.setTlvs(tbuilder.build());
    return builder.build();
}

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

License:Open Source License

@Override
public Object 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.");
    final MonitoringBuilder builder = new MonitoringBuilder();
    buffer.readBytes(RESERVED);/* ww w .  j  ava  2 s  .  co  m*/
    final BitArray flagBits = BitArray.valueOf(buffer, FLAGS_SIZE);
    final Flags flags = new Flags(flagBits.get(G_FLAG_POS), flagBits.get(I_FLAG_POS), flagBits.get(L_FLAG_POS),
            flagBits.get(C_FLAG_POS), flagBits.get(P_FLAG_POS));
    builder.setFlags(flags);
    builder.setMonitoringId(buffer.readUnsignedInt());
    final TlvsBuilder tbuilder = new TlvsBuilder();
    parseTlvs(tbuilder, buffer.slice());
    builder.setTlvs(tbuilder.build());
    return builder.build();
}

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

License:Open Source License

@Override
public NoPath 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 NoPathBuilder builder = new NoPathBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    builder.setNatureOfIssue(bytes.readUnsignedByte());
    final BitArray flags = BitArray.valueOf(bytes, FLAGS_SIZE);
    builder.setUnsatisfiedConstraints(flags.get(C_FLAG_OFFSET));
    bytes.skipBytes(RESERVED_F_LENGTH);/*  w w w . ja v a 2 s  .  c o  m*/
    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.PCEPNotificationObjectParser.java

License:Open Source License

@Override
public CNotification 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 CNotificationBuilder builder = new CNotificationBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    bytes.skipBytes(NT_F_OFFSET);/*from   w ww  .  j a va2s  .c  om*/
    builder.setType(bytes.readUnsignedByte());
    builder.setValue(bytes.readUnsignedByte());
    parseTlvs(builder, bytes.slice());
    return builder.build();
}