Example usage for io.netty.buffer ByteBuf writeZero

Introduction

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

Prototype

public abstract ByteBuf writeZero(int length);

Source Link

Document

Fills this buffer with NUL (0x00) starting at the current writerIndex and increases the writerIndex by the specified length .

Usage

From source file:org.opendaylight.protocol.bgp.linkstate.attribute.sr.SrPrefixAttributesParser.java

License:Open Source License

public static void serializePrefixAttributes(final Flags flags, final Algorithm algorithm,
        final SidLabelIndex sidLabelIndex, final ByteBuf buffer) {
    final BitArray bitFlags = serializePrefixFlags(flags, sidLabelIndex);
    bitFlags.toByteBuf(buffer);/*from  www .ja  va  2  s  . c  o m*/
    buffer.writeByte(algorithm.getIntValue());
    buffer.writeZero(RESERVED_PREFIX);
    buffer.writeBytes(SidLabelIndexParser.serializeSidValue(sidLabelIndex));
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs.Ipv4EroParser.java

License:Open Source License

static void serializeEroFlags(final ByteBuf buffer, final Boolean loose) {
    final BitArray flags = new BitArray(FLAGS_SIZE);
    flags.set(LOOSE, loose);//w ww. j a  va 2  s .co  m
    flags.toByteBuf(buffer);
    buffer.writeZero(RESERVED_ERO);
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.BindingSidLabelParser.java

License:Open Source License

public static void serializeBindingSidAttributes(final Weight weight, final Flags flags,
        final List<BindingSubTlvs> bindingSubTlvs, final ByteBuf aggregator) {
    aggregator.writeByte(weight.getValue());
    final BitArray bitFlags = serializeBindingSidFlags(flags);
    bitFlags.toByteBuf(aggregator);/*from  w ww.java2  s.co m*/
    aggregator.writeZero(RESERVED_BINDING_SID);
    SimpleBindingSubTlvsRegistry.getInstance().serializeBindingSubTlvs(bindingSubTlvs, aggregator);
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.Ipv6SrPrefixAttributesParser.java

License:Open Source License

public static void serializePrefixAttributes(final Algorithm algorithm, final ByteBuf buffer) {
    buffer.writeZero(FLAGS_SIZE);
    buffer.writeByte(algorithm.getIntValue());
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrLinkAttributesParser.java

License:Open Source License

public static <T extends EpeAdjSidTlv> ByteBuf serializeAdjacencySegmentIdentifier(final T adjSid) {
    final ByteBuf value = Unpooled.buffer();
    if (adjSid instanceof SrAdjIds) {
        final BitArray flags = serializeAdjFlags(((SrAdjIds) adjSid).getFlags(), adjSid.getSidLabelIndex());
        flags.toByteBuf(value);/*from w  w  w  .  j  a  v  a  2 s  .c  om*/
    } else {
        value.writeZero(FLAGS_BYTE_SIZE);
    }
    value.writeByte(adjSid.getWeight().getValue());
    value.writeZero(RESERVED);
    value.writeBytes(SidLabelIndexParser.serializeSidValue(adjSid.getSidLabelIndex()));
    return value;
}

From source file:org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrNodeAttributesParser.java

License:Open Source License

public static void serializeSrCapabilities(final SrCapabilities caps, final ByteBuf buffer) {
    final BitArray bs = new BitArray(FLAGS_SIZE);
    bs.set(MPLS_IPV4, caps.isMplsIpv4());
    bs.set(MPLS_IPV6, caps.isMplsIpv6());
    bs.set(SR_IPV6, caps.isSrIpv6());//from   w w w .j  a v a 2 s. c o  m
    bs.toByteBuf(buffer);
    buffer.writeZero(RESERVERED);
    buffer.writeMedium(caps.getRangeSize().intValue());
    TlvUtil.writeTLV(SID_TYPE, SidLabelIndexParser.serializeSidValue(caps.getSidLabelIndex()), buffer);
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.BGPUpdateMessageParser.java

License:Open Source License

@Override
public void serializeMessage(final Notification message, final ByteBuf bytes) {
    Preconditions.checkArgument(message instanceof Update, "Message needs to be of type Update");
    final Update update = (Update) message;

    final ByteBuf messageBody = Unpooled.buffer();
    final WithdrawnRoutes withdrawnRoutes = update.getWithdrawnRoutes();
    if (withdrawnRoutes != null) {
        final ByteBuf withdrawnRoutesBuf = Unpooled.buffer();
        for (final Ipv4Prefix prefix : withdrawnRoutes.getWithdrawnRoutes()) {
            ByteBufWriteUtil.writeMinimalPrefix(prefix, withdrawnRoutesBuf);
        }/*from  w  w  w .  j  a va  2 s  .  c  om*/
        messageBody.writeShort(withdrawnRoutesBuf.writerIndex());
        messageBody.writeBytes(withdrawnRoutesBuf);
    } else {
        messageBody.writeZero(WITHDRAWN_ROUTES_LENGTH_SIZE);
    }
    if (update.getAttributes() != null) {
        final ByteBuf pathAttributesBuf = Unpooled.buffer();
        this.reg.serializeAttribute(update.getAttributes(), pathAttributesBuf);
        messageBody.writeShort(pathAttributesBuf.writerIndex());
        messageBody.writeBytes(pathAttributesBuf);
    } else {
        messageBody.writeZero(TOTAL_PATH_ATTR_LENGTH_SIZE);
    }
    final Nlri nlri = update.getNlri();
    if (nlri != null && nlri.getNlri() != null) {
        for (final Ipv4Prefix prefix : nlri.getNlri()) {
            ByteBufWriteUtil.writeMinimalPrefix(prefix, messageBody);
        }
    }
    MessageUtil.formatMessage(TYPE, messageBody, bytes);
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.open.GracefulCapabilityHandler.java

License:Open Source License

private void serializeTables(final List<Tables> tables, final ByteBuf bytes) {
    if (tables == null) {
        return;//from   w  ww  . java 2 s .c  o  m
    }
    for (final Tables t : tables) {
        final Class<? extends AddressFamily> afi = t.getAfi();
        final Integer afival = this.afiReg.numberForClass(afi);
        Preconditions.checkArgument(afival != null, "Unhandled address family " + afi);
        bytes.writeShort(afival);
        final Class<? extends SubsequentAddressFamily> safi = t.getSafi();
        final Integer safival = this.safiReg.numberForClass(safi);
        Preconditions.checkArgument(safival != null, "Unhandled subsequent address family " + safi);
        bytes.writeByte(safival);
        if (t.getAfiFlags() != null && t.getAfiFlags().isForwardingState()) {
            bytes.writeByte(AFI_FLAG_FORWARDING_STATE);
        } else {
            bytes.writeZero(1);
        }
    }
}

From source file:org.opendaylight.protocol.bgp.parser.impl.message.update.extended.communities.EncapsulationEC.java

License:Open Source License

@Override
public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf body) {
    Preconditions.checkArgument(extendedCommunity instanceof EncapsulationCase,
            "The extended community %s is not EncapsulationCase type.", extendedCommunity);
    final EncapsulationExtendedCommunity encap = ((EncapsulationCase) extendedCommunity)
            .getEncapsulationExtendedCommunity();
    body.writeZero(RESERVED_SIZE);
    body.writeShort(encap.getTunnelType().getIntValue());
}

From source file:org.opendaylight.protocol.bgp.parser.spi.MultiprotocolCapabilitiesUtil.java

License:Open Source License

public static void serializeMPAfiSafi(final AddressFamilyRegistry afiReg,
        final SubsequentAddressFamilyRegistry safiReg, final Class<? extends AddressFamily> afi,
        final Class<? extends SubsequentAddressFamily> safi, final ByteBuf capBuffer) {
    final Integer afival = afiReg.numberForClass(afi);
    Preconditions.checkArgument(afival != null, "Unhandled address family " + afi);
    capBuffer.writeShort(afival);/*from   w  ww. ja  v  a2  s . c o  m*/

    capBuffer.writeZero(RESERVED);

    final Integer safival = safiReg.numberForClass(safi);
    Preconditions.checkArgument(safival != null, "Unhandled subsequent address family " + safi);
    capBuffer.writeByte(safival);
}