Example usage for io.netty.buffer ByteBuf readUnsignedByte

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

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Introduction

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

Prototype

public abstract short readUnsignedByte();

Source Link

Document

Gets an unsigned byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROUnnumberedInterfaceSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new RSVPParsingException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
                + "; Expected: " + CONTENT_LENGTH + ".");
    }//from   w  ww .  j  a v  a 2 s. co  m
    buffer.readerIndex(buffer.readerIndex() + RESERVED);
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    builder.setMandatory(mandatory);
    builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()));
    builder.setSubobjectType(parseUnnumeredInterface(buffer));
    return builder.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.FlowSpecObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final FlowSpecObjectBuilder builder = new FlowSpecObjectBuilder();
    //skip version number, reserved, overall length
    byteBuf.skipBytes(ByteBufWriteUtil.INT_BYTES_LENGTH);
    builder.setServiceHeader(ServiceNumber.forValue(byteBuf.readUnsignedByte()));
    //skip reserved
    byteBuf.skipBytes(ByteBufWriteUtil.ONE_BYTE_LENGTH);
    //skip Length of controlled-load data
    byteBuf.skipBytes(ByteBufWriteUtil.SHORT_BYTES_LENGTH);
    //skip parameter ID 127 and 127 flags
    byteBuf.skipBytes(ByteBufWriteUtil.INT_BYTES_LENGTH);
    final TspecObjectBuilder tBuilder = new TspecObjectBuilder();
    tBuilder.setTokenBucketRate(new Float32(ByteArray.readBytes(byteBuf, METRIC_VALUE_F_LENGTH)));
    tBuilder.setTokenBucketSize(new Float32(ByteArray.readBytes(byteBuf, METRIC_VALUE_F_LENGTH)));
    tBuilder.setPeakDataRate(new Float32(ByteArray.readBytes(byteBuf, METRIC_VALUE_F_LENGTH)));
    tBuilder.setMinimumPolicedUnit(byteBuf.readUnsignedInt());
    tBuilder.setMaximumPacketSize(byteBuf.readUnsignedInt());
    builder.setTspecObject(tBuilder.build());
    if (builder.getServiceHeader().getIntValue() == 2) {
        //skip parameter ID 130, flags, lenght
        byteBuf.skipBytes(ByteBufWriteUtil.INT_BYTES_LENGTH);
        builder.setRate(new Float32(ByteArray.readBytes(byteBuf, METRIC_VALUE_F_LENGTH)));
        builder.setSlackTerm(byteBuf.readUnsignedInt());
    }//www.jav  a  2s.  co m
    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.MetricObjectParser.java

License:Open Source License

@Override
protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
    final MetricObjectBuilder builder = new MetricObjectBuilder();
    byteBuf.skipBytes(ByteBufWriteUtil.SHORT_BYTES_LENGTH);
    final BitArray flags = BitArray.valueOf(byteBuf.readByte());
    builder.setBound(flags.get(BOUND));//from  ww  w .ja v  a  2  s. c  o m
    builder.setComputed(flags.get(COMPUTED));
    builder.setMetricType(byteBuf.readUnsignedByte());
    builder.setValue(new Float32(ByteArray.readBytes(byteBuf, METRIC_VALUE_F_LENGTH)));
    return builder.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);/*from w  w w  .  j a  va 2 s .c o m*/
    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  v  a2  s . co 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 ww w.j  av  a2  s.  c o m
        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.EROSubobjectListParserTest.java

License:Open Source License

@Test
public void testAbstractRSVPObjParser() throws RSVPParsingException {
    final ByteBuf byteAggregator = Unpooled.buffer(4);
    byte[] output = new byte[] { 0, 1, 2, 3 };
    this.parser.serializeAttributeHeader(1, (short) 2, (short) 3, byteAggregator);
    assertArrayEquals(output, byteAggregator.array());

    final ByteBuf body = Unpooled.buffer(4);
    output = new byte[] { 0, 0, 0, 1 };
    final AttributeFilter filter = new AttributeFilter(1L);
    this.parser.writeAttributeFilter(filter, body);
    assertArrayEquals(output, body.array());

    final ByteBuf parseTeObj = Unpooled.buffer(1);
    assertNotNull(this.parser.parseObject(parseTeObj));
    assertNull(this.parser.parseObject(null));

    assertEquals(0, parseTeObj.readableBytes());
    this.parser.serializeObject(null, parseTeObj);
    assertEquals(0, parseTeObj.readableBytes());
    this.parser.serializeObject(this.rsvpTeObj, parseTeObj);
    assertEquals(1, parseTeObj.readableBytes());
    assertEquals((short) 3, parseTeObj.readUnsignedByte());
}

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 ww  w . j a va2 s  .  co  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;
}