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

Example 66 with DeviceSession

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

the class HuaShengProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ChannelBuffer buf = (ChannelBuffer) msg;
    // start marker
    buf.skipBytes(1);
    // flag
    buf.readUnsignedByte();
    // reserved
    buf.readUnsignedByte();
    // length
    buf.readUnsignedShort();
    int type = buf.readUnsignedShort();
    // checksum
    buf.readUnsignedShort();
    int index = buf.readInt();
    if (type == MSG_LOGIN) {
        while (buf.readableBytes() > 4) {
            int subtype = buf.readUnsignedShort();
            int length = buf.readUnsignedShort() - 4;
            if (subtype == 0x0003) {
                String imei = buf.readBytes(length).toString(StandardCharsets.US_ASCII);
                DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
                if (deviceSession != null && channel != null) {
                    ChannelBuffer content = ChannelBuffers.dynamicBuffer();
                    // success
                    content.writeByte(0);
                    sendResponse(channel, MSG_LOGIN_RSP, index, content);
                }
            } else {
                buf.skipBytes(length);
            }
        }
    } else if (type == MSG_HSO_REQ) {
        sendResponse(channel, MSG_HSO_RSP, index, null);
    } else if (type == MSG_POSITION) {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        int status = buf.readUnsignedShort();
        position.setValid(BitUtil.check(status, 15));
        position.set(Position.KEY_STATUS, status);
        position.set(Position.KEY_IGNITION, BitUtil.check(status, 14));
        position.set(Position.KEY_EVENT, buf.readUnsignedShort());
        String time = buf.readBytes(12).toString(StandardCharsets.US_ASCII);
        DateBuilder dateBuilder = new DateBuilder().setYear(Integer.parseInt(time.substring(0, 2))).setMonth(Integer.parseInt(time.substring(2, 4))).setDay(Integer.parseInt(time.substring(4, 6))).setHour(Integer.parseInt(time.substring(6, 8))).setMinute(Integer.parseInt(time.substring(8, 10))).setSecond(Integer.parseInt(time.substring(10, 12)));
        position.setTime(dateBuilder.getDate());
        position.setLongitude(buf.readInt() * 0.00001);
        position.setLatitude(buf.readInt() * 0.00001);
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
        position.setCourse(buf.readUnsignedShort());
        position.setAltitude(buf.readUnsignedShort());
        position.set(Position.KEY_ODOMETER, buf.readUnsignedShort() * 1000);
        while (buf.readableBytes() > 4) {
            // subtype
            buf.readUnsignedShort();
            int length = buf.readUnsignedShort() - 4;
            buf.skipBytes(length);
        }
        sendResponse(channel, MSG_POSITION_RSP, index, null);
        return position;
    }
    return null;
}

Example 67 with DeviceSession

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

the class Gt02ProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ChannelBuffer buf = (ChannelBuffer) msg;
    // header
    buf.skipBytes(2);
    // size
    buf.readByte();
    Position position = new Position(getProtocolName());
    // Zero for location messages
    int power = buf.readUnsignedByte();
    int gsm = buf.readUnsignedByte();
    String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    position.set(Position.KEY_INDEX, buf.readUnsignedShort());
    int type = buf.readUnsignedByte();
    if (type == MSG_HEARTBEAT) {
        getLastLocation(position, null);
        position.set(Position.KEY_POWER, power);
        position.set(Position.KEY_RSSI, gsm);
        if (channel != null) {
            byte[] response = { 0x54, 0x68, 0x1A, 0x0D, 0x0A };
            channel.write(ChannelBuffers.wrappedBuffer(response));
        }
    } else if (type == MSG_DATA) {
        DateBuilder dateBuilder = new DateBuilder().setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()).setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
        position.setTime(dateBuilder.getDate());
        double latitude = buf.readUnsignedInt() / (60.0 * 30000.0);
        double longitude = buf.readUnsignedInt() / (60.0 * 30000.0);
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
        position.setCourse(buf.readUnsignedShort());
        // reserved
        buf.skipBytes(3);
        long flags = buf.readUnsignedInt();
        position.setValid(BitUtil.check(flags, 0));
        if (!BitUtil.check(flags, 1)) {
            latitude = -latitude;
        }
        if (!BitUtil.check(flags, 2)) {
            longitude = -longitude;
        }
        position.setLatitude(latitude);
        position.setLongitude(longitude);
    } else if (type == MSG_RESPONSE) {
        getLastLocation(position, null);
        position.set(Position.KEY_RESULT, buf.readBytes(buf.readUnsignedByte()).toString(StandardCharsets.US_ASCII));
    } else {
        return null;
    }
    return position;
}

Example 68 with DeviceSession

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

the class HuabaoProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ChannelBuffer buf = (ChannelBuffer) msg;
    // start marker
    buf.readUnsignedByte();
    int type = buf.readUnsignedShort();
    // body length
    buf.readUnsignedShort();
    // phone number
    ChannelBuffer id = buf.readBytes(6);
    int index = buf.readUnsignedShort();
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ChannelBuffers.hexDump(id));
    if (deviceSession == null) {
        return null;
    }
    if (type == MSG_TERMINAL_REGISTER) {
        if (channel != null) {
            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
            response.writeShort(index);
            response.writeByte(RESULT_SUCCESS);
            response.writeBytes("authentication".getBytes(StandardCharsets.US_ASCII));
            channel.write(formatMessage(MSG_TERMINAL_REGISTER_RESPONSE, id, response), remoteAddress);
        }
    } else if (type == MSG_TERMINAL_AUTH) {
        sendGeneralResponse(channel, remoteAddress, id, type, index);
    } else if (type == MSG_LOCATION_REPORT) {
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedInt()));
        int flags = buf.readInt();
        position.set(Position.KEY_IGNITION, BitUtil.check(flags, 0));
        position.setValid(BitUtil.check(flags, 1));
        double lat = buf.readUnsignedInt() * 0.000001;
        double lon = buf.readUnsignedInt() * 0.000001;
        if (BitUtil.check(flags, 2)) {
            position.setLatitude(-lat);
        } else {
            position.setLatitude(lat);
        }
        if (BitUtil.check(flags, 3)) {
            position.setLongitude(-lon);
        } else {
            position.setLongitude(lon);
        }
        position.setAltitude(buf.readShort());
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort() * 0.1));
        position.setCourse(buf.readUnsignedShort());
        DateBuilder dateBuilder = new DateBuilder(TimeZone.getTimeZone("GMT+8")).setYear(BcdUtil.readInteger(buf, 2)).setMonth(BcdUtil.readInteger(buf, 2)).setDay(BcdUtil.readInteger(buf, 2)).setHour(BcdUtil.readInteger(buf, 2)).setMinute(BcdUtil.readInteger(buf, 2)).setSecond(BcdUtil.readInteger(buf, 2));
        position.setTime(dateBuilder.getDate());
        return position;
    }
    return null;
}

Example 69 with DeviceSession

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

the class Jt600ProtocolDecoder method decodeBinary.

private List<Position> decodeBinary(ChannelBuffer buf, Channel channel, SocketAddress remoteAddress) {
    List<Position> positions = new LinkedList<>();
    // header
    buf.readByte();
    boolean longFormat = buf.getUnsignedByte(buf.readerIndex()) == 0x75;
    String id = String.valueOf(Long.parseLong(ChannelBuffers.hexDump(buf.readBytes(5))));
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
    if (deviceSession == null) {
        return null;
    }
    int protocolVersion = 0;
    if (longFormat) {
        protocolVersion = buf.readUnsignedByte();
    }
    int version = BitUtil.from(buf.readUnsignedByte(), 4);
    // length
    buf.readUnsignedShort();
    while (buf.readableBytes() > 1) {
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        DateBuilder dateBuilder = new DateBuilder().setDay(BcdUtil.readInteger(buf, 2)).setMonth(BcdUtil.readInteger(buf, 2)).setYear(BcdUtil.readInteger(buf, 2)).setHour(BcdUtil.readInteger(buf, 2)).setMinute(BcdUtil.readInteger(buf, 2)).setSecond(BcdUtil.readInteger(buf, 2));
        position.setTime(dateBuilder.getDate());
        double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8));
        double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
        byte flags = buf.readByte();
        position.setValid((flags & 0x1) == 0x1);
        if ((flags & 0x2) == 0) {
            latitude = -latitude;
        }
        position.setLatitude(latitude);
        if ((flags & 0x4) == 0) {
            longitude = -longitude;
        }
        position.setLongitude(longitude);
        position.setSpeed(BcdUtil.readInteger(buf, 2));
        position.setCourse(buf.readUnsignedByte() * 2.0);
        if (longFormat) {
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            // vehicle id combined
            buf.readUnsignedInt();
            position.set(Position.KEY_STATUS, buf.readUnsignedShort());
            int battery = buf.readUnsignedByte();
            if (battery == 0xff) {
                position.set(Position.KEY_CHARGE, true);
            } else {
                position.set(Position.KEY_BATTERY_LEVEL, battery);
            }
            CellTower cellTower = CellTower.fromCidLac(buf.readUnsignedShort(), buf.readUnsignedShort());
            cellTower.setSignalStrength((int) buf.readUnsignedByte());
            position.setNetwork(new Network(cellTower));
            if (protocolVersion == 0x17) {
                // geofence id
                buf.readUnsignedByte();
                // reserved
                buf.skipBytes(3);
            }
        } else if (version == 1) {
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            position.set(Position.KEY_POWER, buf.readUnsignedByte());
            // other flags and sensors
            buf.readByte();
            position.setAltitude(buf.readUnsignedShort());
            int cid = buf.readUnsignedShort();
            int lac = buf.readUnsignedShort();
            int rssi = buf.readUnsignedByte();
            if (cid != 0 && lac != 0) {
                CellTower cellTower = CellTower.fromCidLac(cid, lac);
                cellTower.setSignalStrength(rssi);
                position.setNetwork(new Network(cellTower));
            } else {
                position.set(Position.KEY_RSSI, rssi);
            }
        } else if (version == 2) {
            int fuel = buf.readUnsignedByte() << 8;
            position.set(Position.KEY_STATUS, buf.readUnsignedInt());
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
            fuel += buf.readUnsignedByte();
            position.set(Position.KEY_FUEL_LEVEL, fuel);
        } else if (version == 3) {
            BitBuffer bitBuffer = new BitBuffer(buf);
            position.set("fuel1", bitBuffer.readUnsigned(12));
            position.set("fuel2", bitBuffer.readUnsigned(12));
            position.set("fuel3", bitBuffer.readUnsigned(12));
            position.set(Position.KEY_ODOMETER, bitBuffer.readUnsigned(20) * 1000);
            int status = bitBuffer.readUnsigned(24);
            position.set(Position.KEY_IGNITION, BitUtil.check(status, 0));
            position.set(Position.KEY_STATUS, status);
        }
        positions.add(position);
    }
    // index
    buf.readUnsignedByte();
    return positions;
}

Example 70 with DeviceSession

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

the class HunterProProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    Parser parser = new Parser(PATTERN, (String) msg);
    if (!parser.matches()) {
        return null;
    }
    Position position = new Position(getProtocolName());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    DateBuilder dateBuilder = new DateBuilder();
    dateBuilder.setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
    position.setValid(parser.next().equals("A"));
    position.setLatitude(parser.nextCoordinate());
    position.setLongitude(parser.nextCoordinate());
    position.setSpeed(parser.nextDouble(0));
    position.setCourse(parser.nextDouble(0));
    dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
    position.setTime(dateBuilder.getDate());
    return position;
}