Example usage for io.netty.buffer ByteBuf readUnsignedInt

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

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Introduction

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

Prototype

public abstract long readUnsignedInt();

Source Link

Document

Gets an unsigned 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

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

License:Apache License

private void readBinaryCustomData(Position position, ByteBuf buf, String form) {
    CellTower cellTower = new CellTower();
    String[] keys = form.substring(1).split("%");
    for (String key : keys) {
        switch (key) {
        case "SA":
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            break;
        case "MV":
            position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.1);
            break;
        case "BV":
            position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.1);
            break;
        case "GQ":
            cellTower.setSignalStrength((int) buf.readUnsignedByte());
            break;
        case "CE":
            cellTower.setCellId(buf.readUnsignedInt());
            break;
        case "LC":
            cellTower.setLocationAreaCode(buf.readUnsignedShort());
            break;
        case "CN":
            int combinedMobileCodes = (int) (buf.readUnsignedInt() % 100000); // cccnn
            cellTower.setMobileCountryCode(combinedMobileCodes / 100);
            cellTower.setMobileNetworkCode(combinedMobileCodes % 100);
            break;
        case "RL":
            buf.readUnsignedByte(); // rxlev
            break;
        case "PC":
            position.set(Position.PREFIX_COUNT + 1, buf.readUnsignedInt());
            break;
        case "AT":
            position.setAltitude(buf.readUnsignedInt());
            break;
        case "RP":
            position.set(Position.KEY_RPM, buf.readUnsignedShort());
            break;
        case "GS":
            position.set(Position.KEY_RSSI, buf.readUnsignedByte());
            break;
        case "DT":
            position.set(Position.KEY_ARCHIVE, buf.readUnsignedByte() == 1);
            break;
        case "VN":
            position.set(Position.KEY_VIN, readString(buf));
            break;
        case "MF":
            buf.readUnsignedShort(); // mass air flow rate
            break;
        case "EL":
            buf.readUnsignedByte(); // engine load
            break;
        case "TR":
            position.set(Position.KEY_THROTTLE, buf.readUnsignedByte());
            break;
        case "ET":
            position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort());
            break;
        case "FL":
            position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedByte());
            break;
        case "ML":
            buf.readUnsignedByte(); // mil status
            break;
        case "FC":
            position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedInt());
            break;
        case "CI":
            readString(buf); // format string
            break;
        case "AV1":
            position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
            break;
        case "NC":
            readString(buf); // gsm neighbor cell info
            break;
        case "SM":
            buf.readUnsignedShort(); // max speed between reports
            break;
        case "GL":
            readString(buf); // google link
            break;
        case "MA":
            readString(buf); // mac address
            break;
        case "PD":
            buf.readUnsignedByte(); // pending code status
            break;
        case "CD":
            readString(buf); // sim cid
            break;
        case "CM":
            buf.readLong(); // imsi
            break;
        case "GN":
            buf.skipBytes(60); // g sensor data
            break;
        case "GV":
            buf.skipBytes(6); // maximum g force
            break;
        case "ME":
            buf.readLong(); // imei
            break;
        case "IA":
            buf.readUnsignedByte(); // intake air temperature
            break;
        case "MP":
            buf.readUnsignedByte(); // manifold absolute pressure
            break;
        default:/*  ww w  . j  a  va  2  s  . co  m*/
            break;
        }
    }

    if (cellTower.getMobileCountryCode() != null && cellTower.getMobileNetworkCode() != null
            && cellTower.getCellId() != null && cellTower.getCellId() != 0
            && cellTower.getLocationAreaCode() != null) {
        position.setNetwork(new Network(cellTower));
    } else if (cellTower.getSignalStrength() != null) {
        position.set(Position.KEY_RSSI, cellTower.getSignalStrength());
    }
}

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

License:Apache License

private List<Position> decodeBinary(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {

    buf.skipBytes(2); // prefix
    buf.readUnsignedShort(); // checksum
    buf.readUnsignedShort(); // length
    int index = buf.readUnsignedShort();

    long id = buf.readLong();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(id));
    if (deviceSession == null) {
        return null;
    }//from w w w  . ja v a 2s.  com

    sendResponse(channel, remoteAddress, id, index);

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

    while (buf.readableBytes() >= MIN_DATA_LENGTH) {

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

        if (longDate) {

            DateBuilder dateBuilder = new DateBuilder()
                    .setDate(buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedByte())
                    .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
            position.setTime(dateBuilder.getDate());

            buf.skipBytes(7 + 7);

        } else {
            position.setFixTime(new Date(buf.readUnsignedInt() * 1000));
            position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000));
            buf.readUnsignedInt(); // send time
        }

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

        int type = buf.readUnsignedByte();
        position.set(Position.KEY_TYPE, type);
        position.set(Position.KEY_ALARM, alarmMap.get(type));

        position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 100);
        position.set(Position.KEY_HDOP, buf.readUnsignedShort() * 0.1);
        position.set(Position.KEY_INPUT, buf.readUnsignedByte());

        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));

        position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
        position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() * 0.001);

        position.set(Position.KEY_DRIVER_UNIQUE_ID, readString(buf));

        position.set(Position.PREFIX_TEMP + 1, buf.readShort() * 0.1);
        position.set(Position.PREFIX_TEMP + 2, buf.readShort() * 0.1);

        String message = readString(buf);
        if (message != null && !message.isEmpty()) {
            Pattern pattern = Pattern.compile("FULS:F=(\\p{XDigit}+) t=(\\p{XDigit}+) N=(\\p{XDigit}+)");
            Matcher matcher = pattern.matcher(message);
            if (matcher.find()) {
                int value = Integer.parseInt(matcher.group(3), decimalFuel ? 10 : 16);
                position.set(Position.KEY_FUEL_LEVEL, value * 0.1);
            } else {
                position.set("message", message);
            }
        }

        if (custom) {
            String form = this.form;
            if (form == null) {
                form = readString(buf).trim().substring("%CI".length());
            }
            readBinaryCustomData(position, buf, form);
        }

        positions.add(position);

    }

    return positions;
}

From source file:org.traccar.protocol.Avl301ProtocolDecoder.java

License:Apache License

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

    ByteBuf buf = (ByteBuf) msg;

    buf.skipBytes(1); // header
    int type = buf.readUnsignedByte();
    buf.readUnsignedByte(); // length

    if (type == MSG_LOGIN) {

        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readImei(buf));
        if (deviceSession == null) {
            sendResponse(channel, type);
        }/*w w w  . j  a  v a  2  s  .c o  m*/

    } else if (type == MSG_STATUS) {

        sendResponse(channel, type);

    } else if (type == MSG_GPS_LBS_STATUS) {

        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }

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

        DateBuilder dateBuilder = new DateBuilder()
                .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
                .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
        position.setTime(dateBuilder.getDate());

        int gpsLength = buf.readUnsignedByte(); // gps len and sat
        position.set(Position.KEY_SATELLITES, gpsLength & 0xf);

        position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedByte()); // satellites

        double latitude = buf.readUnsignedInt() / 600000.0;
        double longitude = buf.readUnsignedInt() / 600000.0;
        position.setSpeed(buf.readUnsignedByte());

        int union = buf.readUnsignedShort(); // course and flags
        position.setCourse(union & 0x03FF);
        position.setValid((union & 0x1000) != 0);
        if ((union & 0x0400) != 0) {
            latitude = -latitude;
        }
        if ((union & 0x0800) != 0) {
            longitude = -longitude;
        }

        position.setLatitude(latitude);
        position.setLongitude(longitude);

        if ((union & 0x4000) != 0) {
            position.set("acc", (union & 0x8000) != 0);
        }

        position.setNetwork(
                new Network(CellTower.fromLacCid(buf.readUnsignedShort(), buf.readUnsignedMedium())));

        position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
        int flags = buf.readUnsignedByte();
        position.set("acc", (flags & 0x2) != 0);

        // parse other flags

        position.set(Position.KEY_POWER, buf.readUnsignedByte());
        position.set(Position.KEY_RSSI, buf.readUnsignedByte());

        return position;
    }

    return null;
}

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

License:Apache License

private Position decodePosition(DeviceSession deviceSession, int type, ByteBuf buf) {

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

    position.setTime(new Date(buf.readUnsignedInt() * 1000));
    if (type != MSG_MINI_EVENT_REPORT) {
        buf.readUnsignedInt(); // fix time
    }/*  w w w  .  j a v  a  2  s  .co m*/
    position.setLatitude(buf.readInt() * 0.0000001);
    position.setLongitude(buf.readInt() * 0.0000001);
    if (type != MSG_MINI_EVENT_REPORT) {
        position.setAltitude(buf.readInt() * 0.01);
        position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedInt()));
    }
    position.setCourse(buf.readShort());
    if (type == MSG_MINI_EVENT_REPORT) {
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
    }

    if (type == MSG_MINI_EVENT_REPORT) {
        position.set(Position.KEY_SATELLITES, buf.getUnsignedByte(buf.readerIndex()) & 0xf);
        position.setValid((buf.readUnsignedByte() & 0x20) == 0);
    } else {
        position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
        position.setValid((buf.readUnsignedByte() & 0x08) == 0);
    }

    if (type != MSG_MINI_EVENT_REPORT) {
        position.set("carrier", buf.readUnsignedShort());
        position.set(Position.KEY_RSSI, buf.readShort());
    }

    position.set("modem", buf.readUnsignedByte());

    if (type != MSG_MINI_EVENT_REPORT) {
        position.set(Position.KEY_HDOP, buf.readUnsignedByte());
    }

    int input = buf.readUnsignedByte();
    position.set(Position.KEY_INPUT, input);
    position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));

    if (type != MSG_MINI_EVENT_REPORT) {
        position.set(Position.KEY_STATUS, buf.readUnsignedByte());
    }

    if (type == MSG_EVENT_REPORT || type == MSG_MINI_EVENT_REPORT) {
        if (type != MSG_MINI_EVENT_REPORT) {
            buf.readUnsignedByte(); // event index
        }
        position.set(Position.KEY_EVENT, buf.readUnsignedByte());
    }

    int accType = BitUtil.from(buf.getUnsignedByte(buf.readerIndex()), 6);
    int accCount = BitUtil.to(buf.readUnsignedByte(), 6);

    if (type != MSG_MINI_EVENT_REPORT) {
        position.set("append", buf.readUnsignedByte());
    }

    if (accType == 1) {
        buf.readUnsignedInt(); // threshold
        buf.readUnsignedInt(); // mask
    }

    for (int i = 0; i < accCount; i++) {
        if (buf.readableBytes() >= 4) {
            position.set("acc" + i, buf.readUnsignedInt());
        }
    }

    return position;
}

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

License:Apache License

private double readCoordinate(ByteBuf buf, boolean extended) {
    long value = buf.readUnsignedInt();
    if (extended ? (value & 0x08000000) != 0 : (value & 0x00800000) != 0) {
        value |= extended ? 0xF0000000 : 0xFF000000;
    }/*from   ww  w  .j  a va 2  s  . com*/
    return (int) value / (extended ? 360000.0 : 3600.0);
}

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

License:Apache License

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

    ByteBuf buf = (ByteBuf) msg;

    buf.skipBytes(2); // header
    buf.readUnsignedShort(); // length
    buf.readUnsignedByte(); // software version

    long serialNumber = buf.readUnsignedInt();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(serialNumber));
    if (deviceSession == null) {
        return null;
    }// w  w w. ja  v a2s  .com

    buf.readUnsignedByte(); // product

    int type = buf.readUnsignedByte();

    if (type == MSG_STATUS) {

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

        position.setFixTime(new Date(buf.readUnsignedInt() * 1000L));

        boolean extended = buf.getUnsignedByte(buf.readerIndex()) != 0;
        position.setLatitude(readCoordinate(buf, extended));
        position.setLongitude(readCoordinate(buf, extended));

        position.setCourse(buf.readUnsignedShort());
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));

        position.setValid(buf.readUnsignedByte() > 0);

        position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000L));

        position.set(Position.KEY_EVENT, buf.readUnsignedShort());

        int input = buf.readUnsignedShort();
        position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
        position.set(Position.KEY_INPUT, input);

        position.set(Position.KEY_OUTPUT, buf.readUnsignedShort());
        position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
        position.set(Position.KEY_DEVICE_TEMP, buf.readByte());

        buf.readUnsignedShort(); // reserved

        if (buf.readableBytes() > 4) {
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
        }

        if (buf.readableBytes() > 4) {
            position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(buf.readUnsignedInt()));
        }

        return position;

    }

    return null;
}

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

License:Apache License

private Position decodeOld(DeviceSession deviceSession, ByteBuf buf, int type, int index) {

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

    position.set(Position.KEY_INDEX, index);

    position.setTime(new Date(buf.readUnsignedInt() * 1000));
    position.setLatitude(buf.readInt() / 1800000.0);
    position.setLongitude(buf.readInt() / 1800000.0);
    position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
    position.setCourse(buf.readUnsignedShort());

    position.setNetwork(new Network(CellTower.from(buf.readUnsignedShort(), buf.readUnsignedShort(),
            buf.readUnsignedShort(), buf.readUnsignedMedium())));

    position.setValid((buf.readUnsignedByte() & 0x01) != 0);

    if (type == MSG_GPS) {

        if (buf.readableBytes() >= 2) {
            decodeStatus(position, buf.readUnsignedShort());
        }/*from  w w w  . j  av  a  2 s.com*/

        if (buf.readableBytes() >= 2 * 4) {

            position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);

            position.set(Position.KEY_RSSI, buf.readUnsignedShort());

            position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
            position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());

        }

    } else if (type == MSG_ALARM) {

        position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));

    } else if (type == MSG_STATE) {

        int statusType = buf.readUnsignedByte();

        position.set(Position.KEY_EVENT, statusType);

        if (statusType == 0x01 || statusType == 0x02 || statusType == 0x03) {
            buf.readUnsignedInt(); // device time
            if (buf.readableBytes() >= 2) {
                decodeStatus(position, buf.readUnsignedShort());
            }
        }

    }

    return position;
}

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

License:Apache License

private Position decodeNew(DeviceSession deviceSession, ByteBuf buf, int type, int index) {

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

    position.set(Position.KEY_INDEX, index);

    position.setTime(new Date(buf.readUnsignedInt() * 1000));

    int flags = buf.readUnsignedByte();

    if (BitUtil.check(flags, 0)) {
        position.setLatitude(buf.readInt() / 1800000.0);
        position.setLongitude(buf.readInt() / 1800000.0);
        position.setAltitude(buf.readShort());
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
        position.setCourse(buf.readUnsignedShort());
        position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
    } else {/*from   ww  w.  jav  a  2 s.c  om*/
        getLastLocation(position, position.getDeviceTime());
    }

    if (BitUtil.check(flags, 1)) {
        position.setNetwork(new Network(CellTower.from(buf.readUnsignedShort(), buf.readUnsignedShort(),
                buf.readUnsignedShort(), buf.readUnsignedInt(), buf.readUnsignedByte())));
    }

    if (BitUtil.check(flags, 2)) {
        buf.skipBytes(7); // bsid1
    }

    if (BitUtil.check(flags, 3)) {
        buf.skipBytes(7); // bsid2
    }

    if (BitUtil.check(flags, 4)) {
        buf.skipBytes(7); // bss0
    }

    if (BitUtil.check(flags, 5)) {
        buf.skipBytes(7); // bss1
    }

    if (BitUtil.check(flags, 6)) {
        buf.skipBytes(7); // bss2
    }

    if (type == MSG_WARNING) {

        position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));

    } else if (type == MSG_REPORT) {

        buf.readUnsignedByte(); // report type

    }

    if (type == MSG_NORMAL || type == MSG_WARNING || type == MSG_REPORT) {

        int status = buf.readUnsignedShort();
        position.setValid(BitUtil.check(status, 0));
        if (BitUtil.check(status, 1)) {
            position.set(Position.KEY_IGNITION, BitUtil.check(status, 2));
        }
        position.set(Position.KEY_STATUS, status);

    }

    if (type == MSG_NORMAL) {

        if (buf.readableBytes() >= 2) {
            position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
        }

        if (buf.readableBytes() >= 4) {
            position.set(Position.PREFIX_ADC + 0, buf.readUnsignedShort());
            position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
        }

        if (buf.readableBytes() >= 4) {
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
        }

        if (buf.readableBytes() >= 4) {
            buf.readUnsignedShort(); // gsm counter
            buf.readUnsignedShort(); // gps counter
        }

        if (buf.readableBytes() >= 4) {
            position.set(Position.KEY_STEPS, buf.readUnsignedShort());
            buf.readUnsignedShort(); // walking time
        }

        if (buf.readableBytes() >= 12) {
            position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort() / 256.0);
            position.set("humidity", buf.readUnsignedShort() * 0.1);
            position.set("illuminance", buf.readUnsignedInt() / 256.0);
            position.set("co2", buf.readUnsignedInt());
        }

        if (buf.readableBytes() >= 2) {
            position.set(Position.PREFIX_TEMP + 2, buf.readShort() / 16.0);
        }

    }

    return position;
}

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

License:Apache License

private Position decodeResult(DeviceSession deviceSession, ByteBuf buf, int index) {

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

    position.set(Position.KEY_INDEX, index);

    buf.readUnsignedByte(); // type
    buf.readUnsignedInt(); // uid

    String sentence = buf.toString(StandardCharsets.UTF_8);

    Parser parser = new Parser(PATTERN, sentence);
    if (parser.matches()) {

        position.setValid(true);/* www . j  av  a  2 s .c o m*/
        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
        position.setCourse(parser.nextDouble());
        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
        position.setTime(parser.nextDateTime());

    } else {

        getLastLocation(position, null);

        position.set(Position.KEY_RESULT, sentence);

    }

    return position;
}

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

License:Apache License

private Position decodeObd(DeviceSession deviceSession, ByteBuf buf, int index) {

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

    getLastLocation(position, new Date(buf.readUnsignedInt() * 1000));

    while (buf.readableBytes() > 0) {
        int pid = buf.readUnsignedByte();
        int value = buf.readInt();
        switch (pid) {
        case 0x89:
            position.set(Position.KEY_FUEL_CONSUMPTION, value);
            break;
        case 0x8a:
            position.set(Position.KEY_ODOMETER, value * 1000L);
            break;
        case 0x8b:
            position.set(Position.KEY_FUEL_LEVEL, value / 10);
            break;
        default:// ww w. j ava2s  .  com
            break;
        }
    }

    return position;
}