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

Example 56 with NetworkMessage

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

the class ProgressProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    int type = buf.readUnsignedShortLE();
    // length
    buf.readUnsignedShortLE();
    if (type == MSG_IDENT || type == MSG_IDENT_FULL) {
        // id
        buf.readUnsignedIntLE();
        int length = buf.readUnsignedShortLE();
        buf.skipBytes(length);
        length = buf.readUnsignedShortLE();
        buf.skipBytes(length);
        length = buf.readUnsignedShortLE();
        String imei = buf.readSlice(length).toString(StandardCharsets.US_ASCII);
        getDeviceSession(channel, remoteAddress, imei);
    } else if (type == MSG_POINT || type == MSG_ALARM || type == MSG_LOGMSG) {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }
        List<Position> positions = new LinkedList<>();
        int recordCount = 1;
        if (type == MSG_LOGMSG) {
            recordCount = buf.readUnsignedShortLE();
        }
        for (int j = 0; j < recordCount; j++) {
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            if (type == MSG_LOGMSG) {
                position.set(Position.KEY_ARCHIVE, true);
                int subtype = buf.readUnsignedShortLE();
                if (subtype == MSG_ALARM) {
                    position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
                }
                if (buf.readUnsignedShortLE() > buf.readableBytes()) {
                    lastIndex += 1;
                    // workaround for device bug
                    break;
                }
                lastIndex = buf.readUnsignedIntLE();
                position.set(Position.KEY_INDEX, lastIndex);
            } else {
                newIndex = buf.readUnsignedIntLE();
            }
            position.setTime(new Date(buf.readUnsignedIntLE() * 1000));
            position.setLatitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
            position.setLongitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
            position.setSpeed(buf.readUnsignedIntLE() * 0.01);
            position.setCourse(buf.readUnsignedShortLE() * 0.01);
            position.setAltitude(buf.readUnsignedShortLE() * 0.01);
            int satellites = buf.readUnsignedByte();
            position.setValid(satellites >= 3);
            position.set(Position.KEY_SATELLITES, satellites);
            position.set(Position.KEY_RSSI, buf.readUnsignedByte());
            position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
            long extraFlags = buf.readLongLE();
            if (BitUtil.check(extraFlags, 0)) {
                int count = buf.readUnsignedShortLE();
                for (int i = 1; i <= count; i++) {
                    position.set(Position.PREFIX_ADC + i, buf.readUnsignedShortLE());
                }
            }
            if (BitUtil.check(extraFlags, 1)) {
                int size = buf.readUnsignedShortLE();
                position.set("can", buf.toString(buf.readerIndex(), size, StandardCharsets.US_ASCII));
                buf.skipBytes(size);
            }
            if (BitUtil.check(extraFlags, 2)) {
                position.set("passenger", ByteBufUtil.hexDump(buf.readSlice(buf.readUnsignedShortLE())));
            }
            if (type == MSG_ALARM) {
                position.set(Position.KEY_ALARM, true);
                byte[] response = { (byte) 0xC9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
                channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(response), remoteAddress));
            }
            // crc
            buf.readUnsignedIntLE();
            positions.add(position);
        }
        requestArchive(channel);
        return positions;
    }
    return null;
}

Example 57 with NetworkMessage

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

the class PstProtocolDecoder method sendResponse.

private void sendResponse(Channel channel, SocketAddress remoteAddress, long id, int version, long index, int type) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer();
        response.writeInt((int) id);
        response.writeByte(version);
        response.writeInt((int) index);
        response.writeByte(MSG_ACK);
        response.writeByte(type);
        response.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, response.nioBuffer()));
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
}

Example 58 with NetworkMessage

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

the class Pt502ProtocolDecoder method requestPhotoFragment.

private void requestPhotoFragment(Channel channel) {
    if (channel != null) {
        int offset = photo.writerIndex();
        int size = Math.min(photo.writableBytes(), MAX_CHUNK_SIZE);
        channel.writeAndFlush(new NetworkMessage("#PHD" + offset + "," + size + "\r\n", channel.remoteAddress()));
    }
}

Example 59 with NetworkMessage

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

the class RstProtocolDecoder 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;
    }
    // archive
    parser.next();
    String model = parser.next();
    String firmware = parser.next();
    String serial = parser.next();
    int index = parser.nextInt();
    int type = parser.nextInt();
    if (channel != null) {
        String response = "RST;A;" + model + ";" + firmware + ";" + serial + ";" + index + ";6;FIM;";
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, serial);
    if (deviceSession == null) {
        return null;
    }
    if (parser.hasNext()) {
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        position.setDeviceTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
        position.setFixTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
        position.setLatitude(parser.nextDouble());
        position.setLongitude(parser.nextDouble());
        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
        position.setCourse(parser.nextInt());
        position.setAltitude(parser.nextInt());
        position.setValid(parser.nextInt() > 0);
        position.set(Position.KEY_SATELLITES, parser.nextInt());
        position.set(Position.KEY_HDOP, parser.nextInt());
        position.set(Position.PREFIX_IN + 1, parser.nextHexInt());
        position.set(Position.PREFIX_IN + 2, parser.nextHexInt());
        position.set(Position.PREFIX_IN + 3, parser.nextHexInt());
        position.set(Position.PREFIX_OUT + 1, parser.nextHexInt());
        position.set(Position.PREFIX_OUT + 2, parser.nextHexInt());
        position.set(Position.KEY_POWER, parser.nextDouble());
        position.set(Position.KEY_BATTERY, parser.nextDouble());
        position.set(Position.KEY_ODOMETER, parser.nextInt());
        position.set(Position.KEY_RSSI, parser.nextInt());
        position.set(Position.PREFIX_TEMP + 1, (int) parser.nextHexInt().byteValue());
        int status = (parser.nextHexInt() << 8) + parser.nextHexInt();
        position.set(Position.KEY_IGNITION, BitUtil.check(status, 7));
        position.set(Position.KEY_STATUS, status);
        return position;
    } else {
        return null;
    }
}

Example 60 with NetworkMessage

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

the class RuptelaProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    // data length
    buf.readUnsignedShort();
    String imei = String.format("%015d", buf.readLong());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    int type = buf.readUnsignedByte();
    if (type == MSG_RECORDS || type == MSG_EXTENDED_RECORDS) {
        List<Position> positions = new LinkedList<>();
        // records left
        buf.readUnsignedByte();
        int count = buf.readUnsignedByte();
        for (int i = 0; i < count; i++) {
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            position.setTime(new Date(buf.readUnsignedInt() * 1000));
            // timestamp extension
            buf.readUnsignedByte();
            if (type == MSG_EXTENDED_RECORDS) {
                // record extension
                buf.readUnsignedByte();
            }
            // priority (reserved)
            buf.readUnsignedByte();
            position.setValid(true);
            position.setLongitude(buf.readInt() / 10000000.0);
            position.setLatitude(buf.readInt() / 10000000.0);
            position.setAltitude(buf.readUnsignedShort() / 10.0);
            position.setCourse(buf.readUnsignedShort() / 100.0);
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
            position.set(Position.KEY_HDOP, buf.readUnsignedByte() / 10.0);
            if (type == MSG_EXTENDED_RECORDS) {
                position.set(Position.KEY_EVENT, buf.readUnsignedShort());
            } else {
                position.set(Position.KEY_EVENT, buf.readUnsignedByte());
            }
            // Read 1 byte data
            int valueCount = buf.readUnsignedByte();
            for (int j = 0; j < valueCount; j++) {
                int id = type == MSG_EXTENDED_RECORDS ? buf.readUnsignedShort() : buf.readUnsignedByte();
                decodeParameter(position, id, buf, 1);
            }
            // Read 2 byte data
            valueCount = buf.readUnsignedByte();
            for (int j = 0; j < valueCount; j++) {
                int id = type == MSG_EXTENDED_RECORDS ? buf.readUnsignedShort() : buf.readUnsignedByte();
                decodeParameter(position, id, buf, 2);
            }
            // Read 4 byte data
            valueCount = buf.readUnsignedByte();
            for (int j = 0; j < valueCount; j++) {
                int id = type == MSG_EXTENDED_RECORDS ? buf.readUnsignedShort() : buf.readUnsignedByte();
                decodeParameter(position, id, buf, 4);
            }
            // Read 8 byte data
            valueCount = buf.readUnsignedByte();
            for (int j = 0; j < valueCount; j++) {
                int id = type == MSG_EXTENDED_RECORDS ? buf.readUnsignedShort() : buf.readUnsignedByte();
                decodeParameter(position, id, buf, 8);
            }
            Long driverIdPart1 = (Long) position.getAttributes().remove(Position.PREFIX_IO + 126);
            Long driverIdPart2 = (Long) position.getAttributes().remove(Position.PREFIX_IO + 127);
            if (driverIdPart1 != null && driverIdPart2 != null) {
                ByteBuf driverId = Unpooled.copyLong(driverIdPart1, driverIdPart2);
                position.set(Position.KEY_DRIVER_UNIQUE_ID, driverId.toString(StandardCharsets.US_ASCII));
                driverId.release();
            }
            positions.add(position);
        }
        if (channel != null) {
            channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(DataConverter.parseHex("0002640113bc")), remoteAddress));
        }
        return positions;
    } else if (type == MSG_DTCS) {
        List<Position> positions = new LinkedList<>();
        int count = buf.readUnsignedByte();
        for (int i = 0; i < count; i++) {
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            // reserved
            buf.readUnsignedByte();
            position.setTime(new Date(buf.readUnsignedInt() * 1000));
            position.setValid(true);
            position.setLongitude(buf.readInt() / 10000000.0);
            position.setLatitude(buf.readInt() / 10000000.0);
            if (buf.readUnsignedByte() == 2) {
                position.set(Position.KEY_ARCHIVE, true);
            }
            position.set(Position.KEY_DTCS, buf.readSlice(5).toString(StandardCharsets.US_ASCII));
            positions.add(position);
        }
        if (channel != null) {
            channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(DataConverter.parseHex("00026d01c4a4")), remoteAddress));
        }
        return positions;
    } else if (type == MSG_FILES) {
        int subtype = buf.readUnsignedByte();
        int source = buf.readUnsignedByte();
        if (subtype == 2) {
            ByteBuf filename = buf.readSlice(8);
            int total = buf.readUnsignedShort();
            int current = buf.readUnsignedShort();
            if (photo == null) {
                photo = Unpooled.buffer();
            }
            photo.writeBytes(buf.readSlice(buf.readableBytes() - 2));
            if (current < total - 1) {
                ByteBuf content = Unpooled.buffer();
                content.writeByte(subtype);
                content.writeByte(source);
                content.writeBytes(filename);
                content.writeShort(current + 1);
                ByteBuf response = RuptelaProtocolEncoder.encodeContent(type, content);
                content.release();
                if (channel != null) {
                    channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
                }
            } else {
                Position position = new Position(getProtocolName());
                position.setDeviceId(deviceSession.getDeviceId());
                getLastLocation(position, null);
                position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(imei, photo, "jpg"));
                photo.release();
                photo = null;
                return position;
            }
        }
        return null;
    } else {
        return decodeCommandResponse(deviceSession, type, buf);
    }
}