Example usage for io.netty.buffer ByteBuf readSlice

Introduction

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

Prototype

public abstract ByteBuf readSlice(int length);

Source Link

Document

Returns a new slice of this buffer's sub-region starting at the current readerIndex and increases the readerIndex by the size of the new slice (= length ).

Usage

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.BandwidthObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final BasicBandwidthObjectBuilder builder = new BasicBandwidthObjectBuilder();
    final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
    builder.setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.DetourObjectIpv6Parser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) {
    final ByteBuf plrId = byteBuf.readSlice(byteBuf.capacity() / 2);
    final Ipv6DetourObjectBuilder ipv6Case = new Ipv6DetourObjectBuilder();

    final List<PlrId> plrIdList = new ArrayList<>();

    while (plrId.isReadable()) {
        final PlrIdBuilder plr = new PlrIdBuilder();
        plr.setPlrId(Ipv6Util.addressForByteBuf(plrId));
        plrIdList.add(plr.build());// w  ww .  j a v  a  2  s. c o m
    }

    final List<AvoidNode> avoidNodeList = new ArrayList<>();
    while (byteBuf.isReadable()) {
        final AvoidNodeBuilder plr = new AvoidNodeBuilder();
        plr.setAvoidNode(Ipv6Util.addressForByteBuf(byteBuf));
        avoidNodeList.add(plr.build());
    }

    return ipv6Case.setPlrId(plrIdList).setAvoidNode(avoidNodeList).build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.FastRerouteObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) {
    final BasicFastRerouteObjectBuilder builder = new BasicFastRerouteObjectBuilder();
    builder.setSetupPriority(byteBuf.readUnsignedByte());
    builder.setHoldPriority(byteBuf.readUnsignedByte());
    builder.setHopLimit(byteBuf.readUnsignedByte());
    builder.setFlags(FastRerouteFlags.forValue(byteBuf.readUnsignedByte()));
    final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
    builder.setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)));
    builder.setIncludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setExcludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setIncludeAll(new AttributeFilter(byteBuf.readUnsignedInt()));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.InformationalFastRerouteObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final LegacyFastRerouteObjectBuilder builder = new LegacyFastRerouteObjectBuilder();
    builder.setSetupPriority(byteBuf.readUnsignedByte());
    builder.setHoldPriority(byteBuf.readUnsignedByte());
    builder.setHopLimit(byteBuf.readUnsignedByte());
    //skip reserved
    byteBuf.skipBytes(ByteBufWriteUtil.ONE_BYTE_LENGTH);
    final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
    builder.setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)));
    builder.setIncludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setExcludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.ReoptimizationBandwidthObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final ReoptimizationBandwidthObjectBuilder builder = new ReoptimizationBandwidthObjectBuilder();
    final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
    builder.setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.RequiredAttributesObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final LspRequiredAttributesObjectBuilder builder = new LspRequiredAttributesObjectBuilder();

    final List<SubobjectContainer> subObjectList = new ArrayList<>();
    while (byteBuf.isReadable()) {
        final int type = byteBuf.readUnsignedShort();
        final int length = byteBuf.readUnsignedShort();
        final ByteBuf value = byteBuf.readSlice(length);
        final SubobjectContainerBuilder subObj = new SubobjectContainerBuilder();
        if (type == AttributesObjectParser.FLAG_TLV_TYPE) {
            subObj.setLspSubobject(/*from   w  w  w. j a va2 s  .co  m*/
                    new FlagsTlvBuilder().setFlagContainer(AttributesObjectParser.parseFlag(value)).build());
        } else {
            LOG.warn("Lsp Attributes Subobject type {} not supported", type);
        }
        subObjectList.add(subObj.build());
    }

    return builder.setLspAttributesObject(
            new LspAttributesObjectBuilder().setSubobjectContainer(subObjectList).build()).build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.SessionAttributeLspObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final BasicSessionAttributeObjectBuilder builder = new BasicSessionAttributeObjectBuilder();
    builder.setSetupPriority(byteBuf.readUnsignedByte());
    builder.setHoldPriority(byteBuf.readUnsignedByte());
    final BitArray bs = BitArray.valueOf(byteBuf.readByte());
    builder.setLocalProtectionDesired(bs.get(LOCAL_PROTECTION));
    builder.setLabelRecordingDesired(bs.get(LABEL_RECORDING));
    builder.setSeStyleDesired(bs.get(SE_STYLE));
    final short nameLenght = byteBuf.readUnsignedByte();
    final ByteBuf auxBuf = byteBuf.readSlice(nameLenght);
    final String name = new String(ByteArray.readAllBytes(auxBuf), StandardCharsets.US_ASCII);
    builder.setSessionName(name);//  ww w  .ja va  2  s .  c om
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.te.SessionAttributeLspRaObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final SessionAttributeObjectWithResourcesAffinitiesBuilder builder = new SessionAttributeObjectWithResourcesAffinitiesBuilder();
    builder.setIncludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setExcludeAny(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setIncludeAll(new AttributeFilter(byteBuf.readUnsignedInt()));
    builder.setSetupPriority(byteBuf.readUnsignedByte());
    builder.setHoldPriority(byteBuf.readUnsignedByte());
    final BitArray bs = BitArray.valueOf(byteBuf.readByte());
    builder.setLocalProtectionDesired(bs.get(SessionAttributeLspObjectParser.LOCAL_PROTECTION));
    builder.setLabelRecordingDesired(bs.get(SessionAttributeLspObjectParser.LABEL_RECORDING));
    builder.setSeStyleDesired(bs.get(SessionAttributeLspObjectParser.SE_STYLE));
    final short nameLenght = byteBuf.readUnsignedByte();
    final ByteBuf auxBuf = byteBuf.readSlice(nameLenght);
    final String name = new String(ByteArray.readAllBytes(auxBuf), StandardCharsets.US_ASCII);
    builder.setSessionName(name);//from w w  w . j a  va2s.  c o  m
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.EROSubobjectListParser.java

License:Open Source License

public List<SubobjectContainer> parseList(final ByteBuf buffer) throws RSVPParsingException {
    // Explicit approval of empty ERO
    Preconditions.checkArgument(buffer != null, "Array of bytes is mandatory. Can't be null.");
    final List<SubobjectContainer> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean loose = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES)
                & ~(1 << Values.FIRST_BIT_OFFSET);
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new RSVPParsingException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }/*from w w w . j av a  2s.  c om*/
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final SubobjectContainer sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), loose);
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.RROSubobjectListParser.java

License:Open Source License

public List<SubobjectContainer> parseList(final ByteBuf buffer) throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final List<SubobjectContainer> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedByte();
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new RSVPParsingException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }//from w  ww  .  j  a v a  2s  .c  o  m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final SubobjectContainer sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length));
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}