Example usage for io.netty.buffer ByteBuf getUnsignedByte

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

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Introduction

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

Prototype

public abstract short getUnsignedByte(int index);

Source Link

Document

Gets an unsigned byte at the specified absolute index in this buffer.

Usage

From source file:org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMakerFactory.java

License:Open Source License

/**
 * @param version//  w  w  w. ja va  2s .c o  m
 * @return
 */
public static CodeKeyMaker createMatchEntriesKeyMaker(short version) {
    return new AbstractCodeKeyMaker(version) {
        @Override
        public MessageCodeKey make(ByteBuf input) {
            int oxmClass = input.getUnsignedShort(input.readerIndex());
            int oxmField = input
                    .getUnsignedByte(input.readerIndex() + EncodeConstants.SIZE_OF_SHORT_IN_BYTES) >>> 1;
            MatchEntryDeserializerKey key = new MatchEntryDeserializerKey(getVersion(), oxmClass, oxmField);
            if (oxmClass == EncodeConstants.EXPERIMENTER_VALUE) {
                long expId = input.getUnsignedInt(input.readerIndex() + EncodeConstants.SIZE_OF_SHORT_IN_BYTES
                        + 2 * EncodeConstants.SIZE_OF_BYTE_IN_BYTES);
                key.setExperimenterId(expId);
                return key;
            }
            key.setExperimenterId(null);
            return key;
        }
    };
}

From source file:org.opendaylight.openflowjava.util.ByteBufUtils.java

License:Open Source License

/**
 * Converts ByteBuf into String//from  w ww . jav a2 s  .c  om
 * @param bb input ByteBuf
 * @return String
 */
public static String byteBufToHexString(final ByteBuf bb) {
    StringBuilder sb = new StringBuilder();
    for (int i = bb.readerIndex(); i < (bb.readerIndex() + bb.readableBytes()); i++) {
        sb.append(String.format(" %02x", bb.getUnsignedByte(i)));
    }
    return sb.toString().trim();
}

From source file:org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LspObjectParser.java

License:Open Source License

@Override
public Lsp 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 LspBuilder builder = new LspBuilder();
    builder.setIgnore(header.isIgnore());
    builder.setProcessingRule(header.isProcessingRule());
    final int[] plspIdRaw = new int[] { bytes.readUnsignedByte(), bytes.readUnsignedByte(),
            bytes.getUnsignedByte(2), };
    builder.setPlspId(new PlspId((long) ((plspIdRaw[0] << FLAGS_SIZE) | (plspIdRaw[1] << FOUR_BITS_SHIFT)
            | (plspIdRaw[2] >> FOUR_BITS_SHIFT))));
    parseFlags(builder, bytes);/*from  ww  w .j  a  va2  s. co m*/
    final TlvsBuilder b = new TlvsBuilder();
    parseTlvs(b, bytes.slice());
    builder.setTlvs(b.build());
    return builder.build();
}

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

License:Open Source License

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    // Explicit approval of empty ERO
    Preconditions.checkArgument(buffer != null, "Array of bytes is mandatory. Can't be null.");
    final List<Subobject> 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 PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }// w w  w .  jav a  2 s. c o  m
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject 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.pcep.impl.object.AbstractXROWithSubobjectsParser.java

License:Open Source License

protected List<Subobject> parseSubobjects(final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final List<Subobject> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean mandatory = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = UnsignedBytes.checkedCast(
                (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 PCEPDeserializerException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }//from   www .ja va2  s  .  com
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final Subobject sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), mandatory);
        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.pcep.impl.subobject.EROIpv4PrefixSubobjectParser.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);/*from   w  w  w . ja v a 2  s .co m*/
    if (buffer.readableBytes() != CONTENT4_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.subobject.EROIpv6PrefixSubobjectParser.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);//from   w  w  w  . ja  v  a2  s.  c o m
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.subobject.RROIpv4PrefixSubobjectParser.java

License:Open Source License

@Override
public Subobject 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() != CONTENT4_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }/*from   w w w  .  ja v  a 2  s.  c  o m*/
    final SubobjectBuilder builder = new SubobjectBuilder();
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.ip.prefix._case.IpPrefix prefix = new IpPrefixBuilder()
            .setIpPrefix(new IpPrefix(
                    Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)))
            .build();
    buffer.skipBytes(PREFIX_F_LENGTH);
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setProtectionAvailable(flags.get(LPA_F_OFFSET));
    builder.setProtectionInUse(flags.get(LPIU_F_OFFSET));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.subobject.RROIpv6PrefixSubobjectParser.java

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer) throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectBuilder builder = new SubobjectBuilder();
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }//from   w w w. j  av  a 2 s  .  c o  m
    final int length = buffer.getUnsignedByte(PREFIX_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    buffer.skipBytes(PREFIX_F_LENGTH);
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setProtectionAvailable(flags.get(LPA_F_OFFSET));
    builder.setProtectionInUse(flags.get(LPIU_F_OFFSET));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.pcep.impl.subobject.XROIpv4PrefixSubobjectParser.java

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory)
        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.setMandatory(mandatory);//w ww. ja v a2  s . co m
    if (buffer.readableBytes() != CONTENT4_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    buffer.skipBytes(PREFIX_F_LENGTH);
    builder.setAttribute(Attribute.forValue(buffer.readUnsignedByte()));
    return builder.build();
}