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

Example 41 with NetworkMessage

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

the class CastelProtocolDecoder method sendResponse.

private void sendResponse(Channel channel, SocketAddress remoteAddress, ByteBuf id, short type) {
    if (channel != null) {
        int length = 2 + 2 + id.readableBytes() + 2 + 4 + 8 + 2 + 2;
        ByteBuf response = Unpooled.buffer(length);
        response.writeByte('@');
        response.writeByte('@');
        response.writeShortLE(length);
        response.writeBytes(id);
        response.writeShort(type);
        response.writeIntLE(0);
        for (int i = 0; i < 8; i++) {
            response.writeByte(0xff);
        }
        response.writeShortLE(Checksum.crc16(Checksum.CRC16_X25, response.nioBuffer(0, response.writerIndex())));
        response.writeByte(0x0D);
        response.writeByte(0x0A);
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
}

Example 42 with NetworkMessage

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

the class BlueProtocolDecoder method sendResponse.

private void sendResponse(Channel channel, int deviceIndex) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer();
        response.writeByte(0xaa);
        response.writeShort(2 + 1 + 1 + 6 + 1);
        // version
        response.writeByte(0x86);
        response.writeByte(0);
        // data length
        response.writeByte(6);
        // type
        response.writeByte(0xa4);
        // server index
        response.writeByte(0);
        response.writeByte(deviceIndex);
        response.writeByte(0);
        response.writeByte(0);
        response.writeByte(Checksum.xor(response.nioBuffer(1, response.writerIndex() - 1)));
        channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
    }
}

Example 43 with NetworkMessage

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

the class C2stekProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    String sentence = (String) msg;
    if (sentence.contains("$20$") && channel != null) {
        channel.writeAndFlush(new NetworkMessage(sentence, remoteAddress));
    }
    Parser parser = new Parser(PATTERN, (String) msg);
    if (!parser.matches()) {
        return null;
    }
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    Position position = new Position(getProtocolName());
    position.setDeviceId(deviceSession.getDeviceId());
    position.setTime(parser.nextDateTime());
    position.setValid(parser.nextInt() > 0);
    position.setLatitude(parser.nextDouble());
    position.setLongitude(parser.nextDouble());
    position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
    position.setCourse(parser.nextDouble());
    position.setAltitude(parser.nextDouble());
    position.set(Position.KEY_BATTERY, parser.nextInt() * 0.001);
    position.set(Position.KEY_ALARM, decodeAlarm(parser.nextHexInt()));
    if (parser.hasNext()) {
        position.set(Position.KEY_ARMED, parser.nextInt() > 0);
    }
    position.set(Position.KEY_DOOR, parser.nextInt() > 0);
    position.set(Position.KEY_IGNITION, parser.nextInt() > 0);
    return position;
}

Example 44 with NetworkMessage

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

the class AutoTrackProtocolDecoder method decodeTelemetry.

private Position decodeTelemetry(Channel channel, SocketAddress remoteAddress, DeviceSession deviceSession, ByteBuf buf) {
    Position position = new Position(getProtocolName());
    position.setDeviceId(deviceSession.getDeviceId());
    // seconds since 2002
    position.setTime(new Date(1009843200000L + buf.readUnsignedIntLE() * 1000));
    position.setLatitude(buf.readIntLE() * 0.0000001);
    position.setLongitude(buf.readIntLE() * 0.0000001);
    position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
    position.set(Position.KEY_FUEL_USED, buf.readUnsignedIntLE());
    position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE()));
    // max speed
    buf.readUnsignedShortLE();
    position.set(Position.KEY_INPUT, buf.readUnsignedShortLE());
    // di 3 count
    buf.readUnsignedIntLE();
    // di 4 count
    buf.readUnsignedIntLE();
    for (int i = 0; i < 5; i++) {
        position.set(Position.PREFIX_ADC + (i + 1), buf.readUnsignedShortLE());
    }
    position.setCourse(buf.readUnsignedShortLE());
    position.set(Position.KEY_STATUS, buf.readUnsignedShortLE());
    position.set(Position.KEY_EVENT, buf.readUnsignedShortLE());
    position.set(Position.KEY_DRIVER_UNIQUE_ID, buf.readLongLE());
    int index = buf.readUnsignedShortLE();
    // checksum
    buf.readUnsignedShortLE();
    if (channel != null) {
        ByteBuf response = Unpooled.buffer();
        // sync
        response.writeInt(0xF1F1F1F1);
        response.writeByte(MSG_TELEMETRY_CONFIRM);
        // length
        response.writeShortLE(2);
        response.writeShortLE(index);
        response.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, response.nioBuffer()));
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
    return position;
}

Example 45 with NetworkMessage

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

the class AutoTrackProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    // sync
    buf.skipBytes(4);
    int type = buf.readUnsignedByte();
    // length
    buf.readUnsignedShortLE();
    switch(type) {
        case MSG_LOGIN_REQUEST:
            String imei = ByteBufUtil.hexDump(buf.readSlice(8));
            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
            if (deviceSession == null) {
                return null;
            }
            int fuelConst = buf.readUnsignedShortLE();
            int tripConst = buf.readUnsignedShortLE();
            if (channel != null) {
                ByteBuf response = Unpooled.buffer();
                // sync
                response.writeInt(0xF1F1F1F1);
                response.writeByte(MSG_LOGIN_CONFIRM);
                // length
                response.writeShortLE(12);
                response.writeBytes(ByteBufUtil.decodeHexDump(imei));
                response.writeShortLE(fuelConst);
                response.writeShortLE(tripConst);
                response.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, response.nioBuffer()));
                channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
            }
            return null;
        case MSG_TELEMETRY_1:
        case MSG_TELEMETRY_2:
        case MSG_TELEMETRY_3:
            deviceSession = getDeviceSession(channel, remoteAddress);
            if (deviceSession == null) {
                return null;
            }
            return decodeTelemetry(channel, remoteAddress, deviceSession, buf);
        default:
            return null;
    }
}