Example usage for io.netty.buffer ByteBuf readUnsignedMedium

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

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Introduction

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

Prototype

public abstract int readUnsignedMedium();

Source Link

Document

Gets an unsigned 24-bit medium integer at the current readerIndex and increases the readerIndex by 3 in this buffer.

Usage

From source file:org.opendaylight.protocol.bgp.evpn.impl.esi.types.MacParser.java

License:Open Source License

@Override
public Esi parseEsi(final ByteBuf buffer) {
    final MacAutoGenerated t3 = new MacAutoGeneratedBuilder()
            .setSystemMacAddress(/*from w w  w.j av a  2  s.c o  m*/
                    IetfYangUtil.INSTANCE.macAddressFor(ByteArray.readBytes(buffer, MAC_ADDRESS_LENGTH)))
            .setLocalDiscriminator(new Uint24(Long.valueOf(buffer.readUnsignedMedium()))).build();
    return new MacAutoGeneratedCaseBuilder().setMacAutoGenerated(t3).build();
}

From source file:org.opendaylight.protocol.bgp.labeled.unicast.OriginatorSrgbTlvParser.java

License:Open Source License

private static List<SrgbValue> parseSrgbs(final ByteBuf buffer) {
    Preconditions.checkState(buffer.readableBytes() % SRGB_LENGTH == 0,
            "Number of SRGBs doesn't fit available bytes.");
    final List<SrgbValue> ret = new ArrayList<SrgbValue>();
    while (buffer.isReadable()) {
        ret.add(new SrgbValueBuilder().setBase(new Srgb((long) buffer.readUnsignedMedium()))
                .setRange(new Srgb((long) buffer.readUnsignedMedium())).build());
    }/* ww  w.  j a  v a 2s .com*/
    return ret;
}

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

License:Open Source License

static SidLabelIndex parseSidLabelIndex(final Size length, final ByteBuf buffer) {
    switch (length) {
    case LABEL://from   w  w  w .j  ava  2s. c om
        return new LocalLabelCaseBuilder()
                .setLocalLabel(new MplsLabel(new Long(buffer.readUnsignedMedium() & LABEL_MASK))).build();
    case SID:
        return new SidCaseBuilder().setSid(buffer.readUnsignedInt()).build();
    case IPV6_ADD:
        return new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(buffer)).build();
    default:
        return null;
    }
}

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

License:Open Source License

public static SrCapabilities parseSrCapabilities(final ByteBuf buffer, final ProtocolId protocol) {
    final SrCapabilitiesBuilder builder = new SrCapabilitiesBuilder();
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    setFlags(flags, protocol, builder);//w w w .  j  a  v  a  2  s  .  c o  m
    buffer.skipBytes(RESERVERED);
    builder.setRangeSize((long) buffer.readUnsignedMedium());
    builder.setSidLabelIndex(SidLabelIndexParser.parseSidSubTlv(buffer));
    return builder.build();
}

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

License:Open Source License

public static SidLabelIndex parseSidLabelIndex(final Size length, final ByteBuf buffer) {
    switch (length) {
    case LABEL:/*from  w  w  w.  ja v  a 2  s . co  m*/
        return new LocalLabelCaseBuilder()
                .setLocalLabel(new MplsLabel(new Long(buffer.readUnsignedMedium() & LABEL_MASK))).build();
    case SID:
        return new SidCaseBuilder().setSid(buffer.readUnsignedInt()).build();
    case IPV6_ADD:
        return new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(buffer)).build();
    default:
        return null;
    }
}

From source file:org.opendaylight.protocol.util.MplsLabelUtil.java

License:Open Source License

/**
 * Creates and returns MplsLabel object from 20 leftmost bits in the incoming buffer.
 * Moves reader index by 3.//from   w ww . j av  a 2s  .c  om
 * @param buffer expecting 3 bytes with 20 leftmost bits as label
 * @return MplsLabel object
 */
public static MplsLabel mplsLabelForByteBuf(final ByteBuf buffer) {
    return new MplsLabel(new Long(buffer.readUnsignedMedium() >> LABEL_OFFSET));
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeEventData(Position position, ByteBuf buf, int event) {
    switch (event) {
    case 2://  www  .j  ava2  s  . c om
    case 40:
        buf.readUnsignedByte();
        break;
    case 9:
        buf.readUnsignedMedium();
        break;
    case 31:
    case 32:
        buf.readUnsignedShort();
        break;
    case 38:
        buf.skipBytes(4 * 9);
        break;
    case 113:
        buf.readUnsignedInt();
        buf.readUnsignedByte();
        break;
    case 119:
        position.set("eventData",
                ByteBufUtil.hexDump(buf, buf.readerIndex(), Math.min(buf.readableBytes(), 1024)));
        break;
    case 121:
    case 142:
        buf.readLong();
        break;
    case 130:
        buf.readUnsignedInt(); // incorrect
        break;
    case 188:
        decodeEB(position, buf);
        break;
    default:
        break;
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeCanData(ByteBuf buf, Position position) {

    buf.readUnsignedMedium(); // packet identifier
    position.set(Position.KEY_VERSION_FW, buf.readUnsignedByte());
    int count = buf.readUnsignedByte();
    buf.readUnsignedByte(); // batch count
    buf.readUnsignedShort(); // selector bit
    buf.readUnsignedInt(); // timestamp

    buf.skipBytes(8);/*from  w w  w .  java  2s. co m*/

    ArrayList<ByteBuf> values = new ArrayList<>(count);

    for (int i = 0; i < count; i++) {
        values.add(buf.readSlice(8));
    }

    for (int i = 0; i < count; i++) {
        ByteBuf value = values.get(i);
        switch (buf.readInt()) {
        case 0x20D:
            position.set(Position.KEY_RPM, value.readShortLE());
            position.set("dieselTemperature", value.readShortLE() * 0.1);
            position.set("batteryVoltage", value.readShortLE() * 0.01);
            position.set("supplyAirTempDep1", value.readShortLE() * 0.1);
            break;
        case 0x30D:
            position.set("activeAlarm", ByteBufUtil.hexDump(value));
            break;
        case 0x40C:
            position.set("airTempDep1", value.readShortLE() * 0.1);
            position.set("airTempDep2", value.readShortLE() * 0.1);
            break;
        case 0x40D:
            position.set("coldUnitState", ByteBufUtil.hexDump(value));
            break;
        case 0x50C:
            position.set("defrostTempDep1", value.readShortLE() * 0.1);
            position.set("defrostTempDep2", value.readShortLE() * 0.1);
            break;
        case 0x50D:
            position.set("condenserPressure", value.readShortLE() * 0.1);
            position.set("suctionPressure", value.readShortLE() * 0.1);
            break;
        case 0x58C:
            value.readByte();
            value.readShort(); // index
            switch (value.readByte()) {
            case 0x01:
                position.set("setpointZone1", value.readIntLE() * 0.1);
                break;
            case 0x02:
                position.set("setpointZone2", value.readIntLE() * 0.1);
                break;
            case 0x05:
                position.set("unitType", value.readIntLE());
                break;
            case 0x13:
                position.set("dieselHours", value.readIntLE() / 60 / 60);
                break;
            case 0x14:
                position.set("electricHours", value.readIntLE() / 60 / 60);
                break;
            case 0x17:
                position.set("serviceIndicator", value.readIntLE());
                break;
            case 0x18:
                position.set("softwareVersion", value.readIntLE() * 0.01);
                break;
            default:
                break;
            }
            break;
        default:
            LOGGER.warn("Aplicom CAN decoding error", new UnsupportedOperationException());
            break;
        }
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    char protocol = (char) buf.readByte();
    int version = buf.readUnsignedByte();

    String imei;/*from w  w w.jav  a 2s .c  o  m*/
    if ((version & 0x80) != 0) {
        imei = String.valueOf((buf.readUnsignedInt() << (3 * 8)) | buf.readUnsignedMedium());
    } else {
        imei = String.valueOf(imeiFromUnitId(buf.readUnsignedMedium()));
    }

    buf.readUnsignedShort(); // length

    int selector = DEFAULT_SELECTOR_D;
    if (protocol == 'E') {
        selector = DEFAULT_SELECTOR_E;
    } else if (protocol == 'F') {
        selector = DEFAULT_SELECTOR_F;
    }
    if ((version & 0x40) != 0) {
        selector = buf.readUnsignedMedium();
    }

    Position position = new Position(getProtocolName());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());

    int event = buf.readUnsignedByte();
    position.set(Position.KEY_EVENT, event);
    position.set("eventInfo", buf.readUnsignedByte());

    if (protocol == 'D') {
        decodeD(position, buf, selector, event);
    } else if (protocol == 'E') {
        decodeE(position, buf, selector);
    } else if (protocol == 'H') {
        decodeH(position, buf, selector);
    } else if (protocol == 'F') {
        decodeF(position, buf, selector);
    } else {
        return null;
    }

    return position;
}

From source file:org.traccar.protocol.AstraProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    if (channel != null) {
        channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(new byte[] { 0x06 }), remoteAddress));
    }//w  w w  . j  ava2  s . c o  m

    buf.readUnsignedByte(); // protocol
    buf.readUnsignedShort(); // length

    String imei = String.format("%08d", buf.readUnsignedInt())
            + String.format("%07d", buf.readUnsignedMedium());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }

    List<Position> positions = new LinkedList<>();

    while (buf.readableBytes() > 2) {

        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());

        buf.readUnsignedByte(); // index

        position.setValid(true);
        position.setLatitude(buf.readInt() * 0.000001);
        position.setLongitude(buf.readInt() * 0.000001);

        DateBuilder dateBuilder = new DateBuilder().setDate(1980, 1, 6)
                .addMillis(buf.readUnsignedInt() * 1000L);
        position.setTime(dateBuilder.getDate());

        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte() * 2));
        position.setCourse(buf.readUnsignedByte() * 2);

        int reason = buf.readUnsignedMedium();
        position.set(Position.KEY_EVENT, reason);

        int status = buf.readUnsignedShort();
        position.set(Position.KEY_STATUS, status);

        position.set(Position.PREFIX_IO + 1, buf.readUnsignedByte());
        position.set(Position.PREFIX_ADC + 1, buf.readUnsignedByte());
        position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
        position.set(Position.KEY_POWER, buf.readUnsignedByte());

        buf.readUnsignedByte(); // max journey speed
        buf.skipBytes(6); // accelerometer
        position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedShort());
        buf.readUnsignedShort(); // journey idle time

        position.setAltitude(buf.readUnsignedByte() * 20);

        int quality = buf.readUnsignedByte();
        position.set(Position.KEY_SATELLITES, quality & 0xf);
        position.set(Position.KEY_RSSI, quality >> 4);

        buf.readUnsignedByte(); // geofence events

        if (BitUtil.check(status, 8)) {
            position.set(Position.KEY_DRIVER_UNIQUE_ID, buf.readSlice(7).toString(StandardCharsets.US_ASCII));
            position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium() * 1000);
            position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(buf.readUnsignedShort()));
        }

        if (BitUtil.check(status, 6)) {
            LOGGER.warn("Extension data is not supported");
            return position;
        }

        positions.add(position);

    }

    return positions;
}