Examples with DeviceSession org.traccar.DeviceSession used on opensource projects

Example 21 with DeviceSession

use of org.traccar.DeviceSession in project traccar by tananaev.

the class EgtsProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ChannelBuffer buf = (ChannelBuffer) msg;
    buf.skipBytes(buf.getUnsignedByte(buf.readerIndex() + 3));
    List<Position> positions = new LinkedList<>();
    while (buf.readableBytes() > 2) {
        int length = buf.readUnsignedShort();
        int index = buf.readUnsignedShort();
        int recordFlags = buf.readUnsignedByte();
        if (BitUtil.check(recordFlags, 0)) {
            // object id
            buf.readUnsignedInt();
        }
        if (BitUtil.check(recordFlags, 1)) {
            // event id
            buf.readUnsignedInt();
        }
        if (BitUtil.check(recordFlags, 2)) {
            // time
            buf.readUnsignedInt();
        }
        int serviceType = buf.readUnsignedByte();
        // recipient service type
        buf.readUnsignedByte();
        int recordEnd = buf.readerIndex() + length;
        Position position = new Position(getProtocolName());
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession != null) {
            position.setDeviceId(deviceSession.getDeviceId());
        }
        ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
        response.writeShort(index);
        // success
        response.writeByte(0);
        sendResponse(channel, PT_RESPONSE, index, serviceType, MSG_RECORD_RESPONSE, response);
        while (buf.readerIndex() < recordEnd) {
            int type = buf.readUnsignedByte();
            int end = buf.readUnsignedShort() + buf.readerIndex();
            if (type == MSG_TERM_IDENTITY) {
                // object id
                buf.readUnsignedInt();
                int flags = buf.readUnsignedByte();
                if (BitUtil.check(flags, 0)) {
                    // home dispatcher identifier
                    buf.readUnsignedShort();
                }
                if (BitUtil.check(flags, 1)) {
                    getDeviceSession(channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII).trim());
                }
                if (BitUtil.check(flags, 2)) {
                    getDeviceSession(channel, remoteAddress, buf.readBytes(16).toString(StandardCharsets.US_ASCII).trim());
                }
                if (BitUtil.check(flags, 3)) {
                    // language identifier
                    buf.skipBytes(3);
                }
                if (BitUtil.check(flags, 5)) {
                    // network identifier
                    buf.skipBytes(3);
                }
                if (BitUtil.check(flags, 6)) {
                    // buffer size
                    buf.readUnsignedShort();
                }
                if (BitUtil.check(flags, 7)) {
                    getDeviceSession(channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII).trim());
                }
                response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
                // success
                response.writeByte(0);
                sendResponse(channel, PT_APPDATA, index, serviceType, MSG_RESULT_CODE, response);
            } else if (type == MSG_POS_DATA) {
                // since 2010-01-01
                position.setTime(new Date((buf.readUnsignedInt() + 1262304000) * 1000));
                position.setLatitude(buf.readUnsignedInt() * 90.0 / 0xFFFFFFFFL);
                position.setLongitude(buf.readUnsignedInt() * 180.0 / 0xFFFFFFFFL);
                int flags = buf.readUnsignedByte();
                position.setValid(BitUtil.check(flags, 0));
                if (BitUtil.check(flags, 5)) {
                    position.setLatitude(-position.getLatitude());
                }
                if (BitUtil.check(flags, 6)) {
                    position.setLongitude(-position.getLongitude());
                }
                int speed = buf.readUnsignedShort();
                position.setSpeed(UnitsConverter.knotsFromKph(BitUtil.to(speed, 14) * 0.1));
                position.setCourse(buf.readUnsignedByte() + (BitUtil.check(speed, 15) ? 0x100 : 0));
                position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium() * 100);
                position.set(Position.KEY_INPUT, buf.readUnsignedByte());
                position.set(Position.KEY_EVENT, buf.readUnsignedByte());
                if (BitUtil.check(flags, 7)) {
                    position.setAltitude(buf.readMedium());
                }
            } else if (type == MSG_EXT_POS_DATA) {
                int flags = buf.readUnsignedByte();
                if (BitUtil.check(flags, 0)) {
                    position.set(Position.KEY_VDOP, buf.readUnsignedShort());
                }
                if (BitUtil.check(flags, 1)) {
                    position.set(Position.KEY_HDOP, buf.readUnsignedShort());
                }
                if (BitUtil.check(flags, 2)) {
                    position.set(Position.KEY_PDOP, buf.readUnsignedShort());
                }
                if (BitUtil.check(flags, 3)) {
                    position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
                }
            } else if (type == MSG_AD_SENSORS_DATA) {
                // inputs flags
                buf.readUnsignedByte();
                position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
                // adc flags
                buf.readUnsignedByte();
            }
            buf.readerIndex(end);
        }
        if (serviceType == SERVICE_TELEDATA && deviceSession != null) {
            positions.add(position);
        }
    }
    return positions.isEmpty() ? null : positions;
}

Example 22 with DeviceSession

use of org.traccar.DeviceSession in project traccar by tananaev.

the class GalileoProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ChannelBuffer buf = (ChannelBuffer) msg;
    // header
    buf.readUnsignedByte();
    int length = (buf.readUnsignedShort() & 0x7fff) + 3;
    List<Position> positions = new LinkedList<>();
    Set<Integer> tags = new HashSet<>();
    boolean hasLocation = false;
    DeviceSession deviceSession = null;
    Position position = new Position(getProtocolName());
    while (buf.readerIndex() < length) {
        int tag = buf.readUnsignedByte();
        if (tags.contains(tag)) {
            if (hasLocation && position.getFixTime() != null) {
                positions.add(position);
            }
            tags.clear();
            hasLocation = false;
            // new position starts
            position = new Position(getProtocolName());
        }
        tags.add(tag);
        if (tag == 0x03) {
            deviceSession = getDeviceSession(channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII));
        } else if (tag == 0x30) {
            hasLocation = true;
            position.setValid((buf.readUnsignedByte() & 0xf0) == 0x00);
            position.setLatitude(buf.readInt() / 1000000.0);
            position.setLongitude(buf.readInt() / 1000000.0);
        } else {
            decodeTag(position, buf, tag);
        }
    }
    if (deviceSession == null) {
        deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }
    }
    if (hasLocation && position.getFixTime() != null) {
        positions.add(position);
    } else if (position.getAttributes().containsKey(Position.KEY_RESULT)) {
        position.setDeviceId(deviceSession.getDeviceId());
        getLastLocation(position, null);
        positions.add(position);
    }
    sendReply(channel, buf.readUnsignedShort());
    for (Position p : positions) {
        p.setDeviceId(deviceSession.getDeviceId());
    }
    return positions.isEmpty() ? null : positions;
}

Example 23 with DeviceSession

use of org.traccar.DeviceSession in project traccar by tananaev.

the class Gl200BinaryProtocolDecoder method decodeLocation.

private List<Position> decodeLocation(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
    List<Position> positions = new LinkedList<>();
    int type = buf.readUnsignedByte();
    // mask
    buf.readUnsignedInt();
    // length
    buf.readUnsignedShort();
    // device type
    buf.readUnsignedByte();
    // protocol version
    buf.readUnsignedShort();
    // firmware version
    buf.readUnsignedShort();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.format("%015d", buf.readLong()));
    if (deviceSession == null) {
        return null;
    }
    int battery = buf.readUnsignedByte();
    int power = buf.readUnsignedShort();
    if (type == MSG_RSP_GEO) {
        // reserved
        buf.readUnsignedByte();
        // reserved
        buf.readUnsignedByte();
    }
    // motion status
    buf.readUnsignedByte();
    int satellites = buf.readUnsignedByte();
    if (type != MSG_RSP_COMPRESSED) {
        // index
        buf.readUnsignedByte();
    }
    if (type == MSG_RSP_LCB) {
        // phone length
        buf.readUnsignedByte();
        for (int b = buf.readUnsignedByte(); ; b = buf.readUnsignedByte()) {
            if ((b & 0xf) == 0xf || (b & 0xf0) == 0xf0) {
                break;
            }
        }
    }
    if (type == MSG_RSP_COMPRESSED) {
        int count = buf.readUnsignedShort();
        BitBuffer bits;
        int speed = 0;
        int heading = 0;
        int latitude = 0;
        int longitude = 0;
        long time = 0;
        for (int i = 0; i < count; i++) {
            if (time > 0) {
                time += 1;
            }
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            switch(BitUtil.from(buf.getUnsignedByte(buf.readerIndex()), 8 - 2)) {
                case 1:
                    bits = new BitBuffer(buf.readBytes(3));
                    // point attribute
                    bits.readUnsigned(2);
                    // fix type
                    bits.readUnsigned(1);
                    speed = bits.readUnsigned(12);
                    heading = bits.readUnsigned(9);
                    longitude = buf.readInt();
                    latitude = buf.readInt();
                    if (time == 0) {
                        time = buf.readUnsignedInt();
                    }
                    break;
                case 2:
                    bits = new BitBuffer(buf.readBytes(5));
                    // point attribute
                    bits.readUnsigned(2);
                    // fix type
                    bits.readUnsigned(1);
                    speed += bits.readSigned(7);
                    heading += bits.readSigned(7);
                    longitude += bits.readSigned(12);
                    latitude += bits.readSigned(11);
                    break;
                default:
                    // invalid or same
                    buf.readUnsignedByte();
                    continue;
            }
            position.setValid(true);
            position.setTime(new Date(time * 1000));
            position.setSpeed(UnitsConverter.knotsFromKph(speed * 0.1));
            position.setCourse(heading);
            position.setLongitude(longitude * 0.000001);
            position.setLatitude(latitude * 0.000001);
            positions.add(position);
        }
    } else {
        int count = buf.readUnsignedByte();
        for (int i = 0; i < count; i++) {
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            position.set(Position.KEY_BATTERY_LEVEL, battery);
            position.set(Position.KEY_POWER, power);
            position.set(Position.KEY_SATELLITES, satellites);
            int hdop = buf.readUnsignedByte();
            position.setValid(hdop > 0);
            position.set(Position.KEY_HDOP, hdop);
            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedMedium() * 0.1));
            position.setCourse(buf.readUnsignedShort());
            position.setAltitude(buf.readShort());
            position.setLongitude(buf.readInt() * 0.000001);
            position.setLatitude(buf.readInt() * 0.000001);
            position.setTime(decodeTime(buf));
            position.setNetwork(new Network(CellTower.from(buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedShort())));
            // reserved
            buf.readUnsignedByte();
            positions.add(position);
        }
    }
    return positions;
}

Example 24 with DeviceSession

use of org.traccar.DeviceSession in project traccar by tananaev.

the class Gl200BinaryProtocolDecoder method decodeInformation.

private Position decodeInformation(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) {
    Position position = new Position(getProtocolName());
    int type = buf.readUnsignedByte();
    // mask
    buf.readUnsignedInt();
    // length
    buf.readUnsignedShort();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.format("%015d", buf.readLong()));
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    // device type
    buf.readUnsignedByte();
    // protocol version
    buf.readUnsignedShort();
    position.set(Position.KEY_VERSION_FW, String.valueOf(buf.readUnsignedShort()));
    if (type == MSG_INF_VER) {
        // hardware version
        buf.readUnsignedShort();
        // mcu version
        buf.readUnsignedShort();
        // reserved
        buf.readUnsignedShort();
    }
    // motion status
    buf.readUnsignedByte();
    // reserved
    buf.readUnsignedByte();
    position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
    // mode
    buf.readUnsignedByte();
    // last fix time
    buf.skipBytes(7);
    // reserved
    buf.readUnsignedByte();
    buf.readUnsignedByte();
    // response report mask
    buf.readUnsignedShort();
    // ign interval
    buf.readUnsignedShort();
    // igf interval
    buf.readUnsignedShort();
    // reserved
    buf.readUnsignedInt();
    // reserved
    buf.readUnsignedByte();
    if (type == MSG_INF_BAT) {
        position.set(Position.KEY_CHARGE, buf.readUnsignedByte() != 0);
        position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.001);
        position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
        position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
    }
    // iccid
    buf.skipBytes(10);
    if (type == MSG_INF_CSQ) {
        position.set(Position.KEY_RSSI, buf.readUnsignedByte());
        buf.readUnsignedByte();
    }
    // time zone flags
    buf.readUnsignedByte();
    // time zone offset
    buf.readUnsignedShort();
    if (type == MSG_INF_GIR) {
        // gir trigger
        buf.readUnsignedByte();
        // cell number
        buf.readUnsignedByte();
        position.setNetwork(new Network(CellTower.from(buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedShort())));
        // ta
        buf.readUnsignedByte();
        // rx level
        buf.readUnsignedByte();
    }
    getLastLocation(position, decodeTime(buf));
    return position;
}

Example 25 with DeviceSession

use of org.traccar.DeviceSession in project traccar by tananaev.

the class Gps103ProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    String sentence = (String) msg;
    // Send response #1
    if (sentence.contains("##")) {
        if (channel != null) {
            channel.write("LOAD", remoteAddress);
            Parser handshakeParser = new Parser(PATTERN_HANDSHAKE, sentence);
            if (handshakeParser.matches()) {
                getDeviceSession(channel, remoteAddress, handshakeParser.next());
            }
        }
        return null;
    }
    // Send response #2
    if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) {
        if (channel != null) {
            channel.write("ON", remoteAddress);
        }
        int start = sentence.indexOf("imei:");
        if (start >= 0) {
            sentence = sentence.substring(start);
        } else {
            return null;
        }
    }
    Position position = new Position(getProtocolName());
    Parser parser = new Parser(PATTERN_NETWORK, sentence);
    if (parser.matches()) {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
        if (deviceSession == null) {
            return null;
        }
        position.setDeviceId(deviceSession.getDeviceId());
        getLastLocation(position, null);
        position.setNetwork(new Network(CellTower.fromLacCid(parser.nextHexInt(0), parser.nextHexInt(0))));
        return position;
    }
    parser = new Parser(PATTERN_OBD, sentence);
    if (parser.matches()) {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
        if (deviceSession == null) {
            return null;
        }
        position.setDeviceId(deviceSession.getDeviceId());
        getLastLocation(position, parser.nextDateTime());
        position.set(Position.KEY_ODOMETER, parser.nextInt(0));
        // instant fuel consumption
        parser.nextDouble(0);
        position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextDouble(0));
        position.set(Position.KEY_HOURS, parser.nextInt());
        position.set(Position.KEY_OBD_SPEED, parser.nextInt(0));
        position.set(Position.KEY_ENGINE_LOAD, parser.next());
        position.set(Position.KEY_COOLANT_TEMP, parser.nextInt());
        position.set(Position.KEY_THROTTLE, parser.next());
        position.set(Position.KEY_RPM, parser.nextInt(0));
        position.set(Position.KEY_BATTERY, parser.nextDouble(0));
        position.set(Position.KEY_DTCS, parser.next().replace(',', ' ').trim());
        return position;
    }
    parser = new Parser(PATTERN, sentence);
    if (!parser.matches()) {
        return null;
    }
    String imei = parser.next();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    String alarm = parser.next();
    position.set(Position.KEY_ALARM, decodeAlarm(alarm));
    if (alarm.equals("help me")) {
        if (channel != null) {
            channel.write("**,imei:" + imei + ",E;", remoteAddress);
        }
    } else if (alarm.equals("acc on")) {
        position.set(Position.KEY_IGNITION, true);
    } else if (alarm.equals("acc off")) {
        position.set(Position.KEY_IGNITION, false);
    } else if (alarm.startsWith("T:")) {
        position.set(Position.PREFIX_TEMP + 1, alarm.substring(2));
    } else if (alarm.startsWith("oil ")) {
        position.set("oil", alarm.substring(4));
    } else if (!position.getAttributes().containsKey(Position.KEY_ALARM) && !alarm.equals("tracker")) {
        position.set(Position.KEY_EVENT, alarm);
    }
    DateBuilder dateBuilder = new DateBuilder().setDate(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
    int localHours = parser.nextInt(0);
    int localMinutes = parser.nextInt(0);
    String rfid = parser.next();
    if (alarm.equals("rfid")) {
        position.set(Position.KEY_DRIVER_UNIQUE_ID, rfid);
    }
    String utcHours = parser.next();
    String utcMinutes = parser.next();
    dateBuilder.setTime(localHours, localMinutes, parser.nextInt(0));
    // Timezone calculation
    if (utcHours != null && utcMinutes != null) {
        int deltaMinutes = (localHours - Integer.parseInt(utcHours)) * 60;
        deltaMinutes += localMinutes - Integer.parseInt(utcMinutes);
        if (deltaMinutes <= -12 * 60) {
            deltaMinutes += 24 * 60;
        } else if (deltaMinutes > 12 * 60) {
            deltaMinutes -= 24 * 60;
        }
        dateBuilder.addMinute(-deltaMinutes);
    }
    position.setTime(dateBuilder.getDate());
    position.setValid(parser.next().equals("A"));
    position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
    position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
    position.setSpeed(parser.nextDouble(0));
    position.setCourse(parser.nextDouble(0));
    position.setAltitude(parser.nextDouble(0));
    for (int i = 1; i <= 5; i++) {
        position.set(Position.PREFIX_IO + i, parser.next());
    }
    return position;
}