Example usage for io.netty.buffer ByteBuf writeZero

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

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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.parser.spi.pojo.SimpleNlriRegistry.java

License:Open Source License

@Override
public void serializeMpReach(final MpReachNlri mpReachNlri, final ByteBuf byteAggregator) {
    final Class<? extends AddressFamily> afi = mpReachNlri.getAfi();
    final Class<? extends SubsequentAddressFamily> safi = mpReachNlri.getSafi();
    byteAggregator.writeShort(this.afiReg.numberForClass(afi));
    byteAggregator.writeByte(this.safiReg.numberForClass(safi));

    final CNextHop cNextHop = mpReachNlri.getCNextHop();
    if (cNextHop != null) {
        final Map.Entry<Class<? extends CNextHop>, BgpTableType> key = new AbstractMap.SimpleEntry(
                cNextHop.getImplementedInterface(), new BgpTableTypeImpl(afi, safi));
        final NextHopParserSerializer nextHopSerializer = this.nextHopSerializers.get(key);
        final ByteBuf nextHopBuffer = Unpooled.buffer();
        if (nextHopSerializer == null) {
            //TODO Remove once deprecated registerNlriParser is removed
            LOG.warn("NexHop Parser/Serializer for AFI/SAFI ({},{}) not bound", afi, safi);
            NextHopUtil.serializeNextHop(cNextHop, nextHopBuffer);
        } else {/*www . j  a  v a  2  s . c o m*/
            nextHopSerializer.serializeNextHop(cNextHop, nextHopBuffer);
        }
        byteAggregator.writeByte(nextHopBuffer.writerIndex());
        byteAggregator.writeBytes(nextHopBuffer);

    } else {
        byteAggregator.writeZero(NEXT_HOP_LENGHT);
    }
    byteAggregator.writeZero(RESERVED);
}

From source file:org.opendaylight.protocol.bmp.impl.message.PeerUpHandler.java

License:Open Source License

@Override
public void serializeMessageBody(final Notification message, final ByteBuf buffer) {
    super.serializeMessageBody(message, buffer);
    Preconditions.checkArgument(message instanceof PeerUpNotification,
            "An instance of Peer Up notification is required");
    final PeerUpNotification peerUp = (PeerUpNotification) message;

    if (peerUp.getLocalAddress().getIpv4Address() != null) {
        buffer.writeZero(Ipv6Util.IPV6_LENGTH - Ipv4Util.IP4_LENGTH);
        ByteBufWriteUtil.writeIpv4Address(peerUp.getLocalAddress().getIpv4Address(), buffer);
    } else {//  www. jav a  2s .c  o  m
        ByteBufWriteUtil.writeIpv6Address(peerUp.getLocalAddress().getIpv6Address(), buffer);
    }
    ByteBufWriteUtil.writeUnsignedShort(peerUp.getLocalPort().getValue(), buffer);
    ByteBufWriteUtil.writeUnsignedShort(peerUp.getRemotePort().getValue(), buffer);

    getBgpMessageRegistry().serializeMessage(new OpenBuilder(peerUp.getSentOpen()).build(), buffer);
    getBgpMessageRegistry().serializeMessage(new OpenBuilder(peerUp.getReceivedOpen()).build(), buffer);
    serializeTlvs(peerUp.getInformation(), buffer);
}

From source file:org.opendaylight.protocol.bmp.spi.parser.AbstractBmpPerPeerMessageParser.java

License:Open Source License

protected void serializePerPeerHeader(final PeerHeader peerHeader, final ByteBuf output) {
    Preconditions.checkArgument(peerHeader != null, "Per-peer header cannot be null.");
    final PeerType peerType = peerHeader.getType();
    output.writeByte(peerType.getIntValue());
    final BitArray flags = new BitArray(FLAGS_SIZE);
    flags.set(L_FLAG_POS, peerHeader.getAdjRibInType().getIntValue() == 0 ? false : true);
    flags.set(V_FLAG_POS, !peerHeader.isIpv4());
    flags.toByteBuf(output);//from ww  w  .java  2s . co m
    final PeerDistinguisher peerDistinguisher = peerHeader.getPeerDistinguisher();
    switch (peerType) {
    case L3vpn:
        if (peerDistinguisher.getRouteDistinguisher() != null) {
            RouteDistinguisherUtil.serializeRouteDistinquisher(peerDistinguisher.getRouteDistinguisher(),
                    output);
        } else {
            PeerDistinguisherUtil.serializePeerDistinguisher(peerHeader.getDistinguisher(), output);
        }
        break;
    case Local:
        output.writeBytes(peerDistinguisher.getBinary());
        break;
    case Global:
    default:
        output.writeZero(PEER_DISTINGUISHER_SIZE);
        break;
    }
    if (peerHeader.isIpv4()) {
        output.writeZero(Ipv6Util.IPV6_LENGTH - Ipv4Util.IP4_LENGTH);
        ByteBufWriteUtil.writeIpv4Address(peerHeader.getAddress().getIpv4Address(), output);
    } else {
        ByteBufWriteUtil.writeIpv6Address(peerHeader.getAddress().getIpv6Address(), output);
    }
    ByteBufWriteUtil.writeUnsignedInt(peerHeader.getAs().getValue(), output);
    ByteBufWriteUtil.writeIpv4Address(peerHeader.getBgpId(), output);
    if (peerHeader.getTimestampSec() != null) {
        ByteBufWriteUtil.writeUnsignedInt(peerHeader.getTimestampSec().getValue(), output);
    } else {
        output.writeZero(ByteBufWriteUtil.INT_BYTES_LENGTH);
    }
    if (peerHeader.getTimestampMicro() != null) {
        ByteBufWriteUtil.writeUnsignedInt(peerHeader.getTimestampMicro().getValue(), output);
    } else {
        output.writeZero(ByteBufWriteUtil.INT_BYTES_LENGTH);
    }
}

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

License:Open Source License

private void serializerUserError(final UserError ue, final ByteBuf body) {
    final byte[] desc = (ue.getDescription() == null) ? new byte[0]
            : ue.getDescription().getBytes(StandardCharsets.UTF_8);
    final ByteBuf userErrorBuf = Unpooled.buffer();
    Preconditions.checkArgument(ue.getEnterprise() != null, "EnterpriseNumber is mandatory");
    writeUnsignedInt(ue.getEnterprise().getValue(), userErrorBuf);
    writeUnsignedByte(ue.getSubOrg(), userErrorBuf);
    userErrorBuf.writeByte(desc.length);
    Preconditions.checkArgument(ue.getValue() != null, "Value is mandatory.");
    writeUnsignedShort(ue.getValue(), userErrorBuf);
    userErrorBuf.writeBytes(desc);//from www .j a  va  2 s  . c o m
    userErrorBuf.writeZero(TlvUtil.getPadding(desc.length, TlvUtil.PADDED_TO));
    formatRSVPObject(USER_ERROR_CLASS_NUM, USER_ERROR_CLASS_TYPE, userErrorBuf, body);
}

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

License:Open Source License

protected void serializeFlags(final Srp srp, final ByteBuf body) {
    body.writeZero(FLAGS_SIZE / Byte.SIZE);
}

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

License:Open Source License

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof ClassType,
            "Wrong instance of PCEPObject. Passed %s. Needed ClassTypeObject.", object.getClass());
    final ByteBuf body = Unpooled.buffer(SIZE);
    body.writeZero(SIZE - 1);
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ClassType classType = ((ClassType) object)
            .getClassType();//from w  ww . j  a va2 s  . c o  m
    Preconditions.checkArgument(classType != null, "ClassType is mandatory.");
    writeUnsignedByte(classType.getValue(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

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

License:Open Source License

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof CClose,
            "Wrong instance of PCEPObject. Passed %s. Needed CCloseObject.", object.getClass());
    final CClose obj = (CClose) object;
    final ByteBuf body = Unpooled.buffer();
    body.writeZero(RESERVED + FLAGS_F_LENGTH);
    Preconditions.checkArgument(obj.getReason() != null, "Reason is mandatory.");
    writeUnsignedByte(obj.getReason(), body);
    serializeTlvs(obj.getTlvs(), body);//from  www.  jav a 2 s .c o m
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

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

License:Open Source License

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof ErrorObject,
            "Wrong instance of PCEPObject. Passed %s. Needed ErrorObject.", object.getClass());
    final ErrorObject errObj = (ErrorObject) object;
    final ByteBuf body = Unpooled.buffer();
    body.writeZero(FLAGS_F_LENGTH + RESERVED);
    Preconditions.checkArgument(errObj.getType() != null, "Type is mandatory.");
    writeUnsignedByte(errObj.getType(), body);
    Preconditions.checkArgument(errObj.getValue() != null, "Value is mandatory.");
    writeUnsignedByte(errObj.getValue(), body);
    serializeTlvs(errObj.getTlvs(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

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

License:Open Source License

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof Xro,
            "Wrong instance of PCEPObject. Passed %s. Needed XroObject.", object.getClass());
    final Xro obj = (Xro) object;
    final ByteBuf body = Unpooled.buffer();
    body.writeZero(FLAGS_OFFSET);
    writeBoolean(obj.getFlags() != null ? obj.getFlags().isFail() : null, body);
    serializeSubobject(obj.getSubobject(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}

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

License:Open Source License

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    Preconditions.checkArgument(object instanceof LoadBalancing,
            "Wrong instance of PCEPObject. Passed %s. Needed LoadBalancingObject.", object.getClass());
    final LoadBalancing specObj = (LoadBalancing) object;
    final ByteBuf body = Unpooled.buffer(SIZE);
    body.writeZero(RESERVED + FLAGS_F_LENGTH);
    writeUnsignedByte(specObj.getMaxLsp(), body);
    writeFloat32(specObj.getMinBandwidth(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}