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.PCEPPccIdReqIPv6ObjectParser.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 PccIdReqBuilder builder = new PccIdReqBuilder();
    builder.setIpAddress(new IpAddress(Ipv6Util.addressForByteBuf(buffer)));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPPceIdIPv4ObjectParser.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 PceIdBuilder builder = new PceIdBuilder();
    builder.setIpAddress(new IpAddress(Ipv4Util.addressForByteBuf(buffer)));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPPceIdIPv6ObjectParser.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 PceIdBuilder builder = new PceIdBuilder();
    builder.setIpAddress(new IpAddress(Ipv6Util.addressForByteBuf(buffer)));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPProcTimeObjectParser.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 ProcTimeBuilder builder = new ProcTimeBuilder();
    buffer.skipBytes(RESERVED);/* www  .  j av a 2  s.c  o m*/
    final BitArray flagBits = BitArray.valueOf(buffer, FLAGS);
    builder.setEstimated(flagBits.get(E_FLAG_POSITION));
    builder.setCurrentProcTime(buffer.readUnsignedInt());
    builder.setMinProcTime(buffer.readUnsignedInt());
    builder.setMaxProcTime(buffer.readUnsignedInt());
    builder.setAverageProcTime(buffer.readUnsignedInt());
    builder.setVarianceProcTime(buffer.readUnsignedInt());
    return builder.build();
}

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

License:Open Source License

@Override
public Rro 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 RroBuilder builder = new RroBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    builder.setSubobject(parseSubobjects(bytes.slice()));
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.object.PCEPRequestParameterObjectParser.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 BitArray flags = BitArray.valueOf(bytes, FLAGS_SIZE);

    final RpBuilder builder = new RpBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());

    short priority = 0;
    priority |= flags.get(PRI_SF_OFFSET + 2) ? 1 : 0;
    priority |= (flags.get(PRI_SF_OFFSET + 1) ? 1 : 0) << 1;
    priority |= (flags.get(PRI_SF_OFFSET) ? 1 : 0) << 2;
    if (priority != 0) {
        builder.setPriority(priority);//w  ww . j  a va 2  s . co m
    }
    builder.setFragmentation(flags.get(F_FLAG_OFFSET));
    builder.setP2mp(flags.get(N_FLAG_OFFSET));
    builder.setEroCompression(flags.get(E_FLAG_OFFSET));
    builder.setMakeBeforeBreak(flags.get(M_FLAG_OFFSET));
    builder.setOrder(flags.get(D_FLAG_OFFSET));
    builder.setPathKey(flags.get(P_FLAG_OFFSET));
    builder.setSupplyOf(flags.get(S_FLAG_OFFSET));
    builder.setLoose(flags.get(O_FLAG_OFFSET));
    builder.setBiDirectional(flags.get(B_FLAG_OFFSET));
    builder.setReoptimization(flags.get(R_FLAG_OFFSET));

    builder.setRequestId(new RequestId(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.PCEPSvecObjectParser.java

License:Open Source License

@Override
public Svec 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   ww  w.  j a va 2  s . c o m
    bytes.skipBytes(FLAGS_F_OFFSET);
    final BitArray flags = BitArray.valueOf(bytes, FLAGS_SIZE);
    final List<RequestId> requestIDs = Lists.newArrayList();

    while (bytes.isReadable()) {
        requestIDs.add(new RequestId(bytes.readUnsignedInt()));
    }
    if (requestIDs.isEmpty()) {
        throw new PCEPDeserializerException("Empty Svec Object - no request ids.");
    }
    final SvecBuilder builder = new SvecBuilder();

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

    builder.setLinkDiverse(flags.get(L_FLAG_OFFSET));
    builder.setNodeDiverse(flags.get(N_FLAG_OFFSET));
    builder.setSrlgDiverse(flags.get(S_FLAG_OFFSET));
    builder.setRequestsIds(requestIDs);
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.PCEPByteToMessageDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out) {
    if (!in.isReadable()) {
        LOG.debug("No more content in incoming buffer.");
        return;//  w ww . j  a  va 2  s.  c o  m
    }

    in.markReaderIndex();
    LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));

    final List<Message> errors = new ArrayList<>();

    try {
        out.add(parse(in, errors));
    } catch (final PCEPDeserializerException e) {
        LOG.debug("Failed to decode protocol message", e);
    }
    in.discardReadBytes();

    if (!errors.isEmpty()) {
        // We have a bunch of messages, send them out
        for (final Object e : errors) {
            ctx.channel().writeAndFlush(e).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(final ChannelFuture f) {
                    if (!f.isSuccess()) {
                        LOG.warn("Failed to send message {} to socket {}", e, ctx.channel(), f.cause());
                    } else {
                        LOG.trace("Message {} sent to socket {}", e, ctx.channel());
                    }
                }
            });
        }
    }
}

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

License:Open Source License

static AsNumberCase parseSubobject(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() != CONTENT_LENGTH) {
        throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
                + "; Expected: " + CONTENT_LENGTH + ".");
    }//from   ww w  . j  av a 2 s  .  c  o  m
    return new AsNumberCaseBuilder()
            .setAsNumber(
                    new AsNumberBuilder().setAsNumber(new AsNumber((long) buffer.readUnsignedShort())).build())
            .build();
}

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

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean loose) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectBuilder builder = new SubobjectBuilder();
    builder.setLoose(loose);//w  ww .java2 s.  co m
    final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject> list = parseSubobject(
            buffer);
    final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.Exrs> exrss = Lists
            .newArrayList();
    for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject s : list) {
        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder();
        b.setAttribute(s.getAttribute());
        b.setMandatory(s.isMandatory());
        b.setSubobjectType(s.getSubobjectType());
        exrss.add(b.build());
    }
    builder.setSubobjectType(new ExrsCaseBuilder().setExrs(new ExrsBuilder().setExrs(exrss).build()).build());
    return builder.build();
}