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

Example 46 with NetworkMessage

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

the class At2000FrameDecoder method sendResponse.

private void sendResponse(Channel channel) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer(2 * BLOCK_LENGTH);
        response.writeByte(At2000ProtocolDecoder.MSG_ACKNOWLEDGEMENT);
        response.writeMedium(1);
        // success
        response.writeByte(0x00);
        response.writerIndex(2 * BLOCK_LENGTH);
        channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
    }
}

Example 47 with NetworkMessage

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

the class At2000ProtocolDecoder method sendRequest.

private static void sendRequest(Channel channel) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer(BLOCK_LENGTH);
        response.writeByte(MSG_TRACK_REQUEST);
        response.writeMedium(0);
        response.writerIndex(BLOCK_LENGTH);
        channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
    }
}

Example 48 with NetworkMessage

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

the class ApelProtocolDecoder method sendSimpleMessage.

private void sendSimpleMessage(Channel channel, short type) {
    ByteBuf request = Unpooled.buffer(8);
    request.writeShortLE(type);
    request.writeShortLE(0);
    request.writeIntLE(Checksum.crc32(request.nioBuffer(0, 4)));
    channel.writeAndFlush(new NetworkMessage(request, channel.remoteAddress()));
}

Example 49 with NetworkMessage

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

the class ArmoliProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    String sentence = (String) msg;
    char type = sentence.charAt(1);
    Position position = new Position(getProtocolName());
    DeviceSession deviceSession;
    if (type != 'M') {
        if (type == 'W') {
            deviceSession = getDeviceSession(channel, remoteAddress);
            if (deviceSession != null) {
                position.setDeviceId(deviceSession.getDeviceId());
                getLastLocation(position, null);
                position.set(Position.KEY_RESULT, sentence.substring(sentence.indexOf(',') + 1, sentence.length() - 1));
                return position;
            }
        } else if (channel != null && (type == 'Q' || type == 'L')) {
            channel.writeAndFlush(new NetworkMessage("[TX,];;", remoteAddress));
        }
        return null;
    }
    Parser parser = new Parser(PATTERN, (String) msg);
    if (!parser.matches()) {
        return null;
    }
    deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
    position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
    position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
    position.setValid(parser.nextInt() > 0);
    position.set(Position.KEY_SATELLITES, parser.nextHexInt());
    position.setSpeed(UnitsConverter.knotsFromKph(parser.nextHexInt()));
    position.setCourse(parser.nextInt());
    position.set(Position.PREFIX_ADC + 1, parser.nextHexInt() / 27.0 * 1000);
    position.set(Position.PREFIX_ADC + 1, parser.nextHexInt() / 27.0 * 1000);
    position.set(Position.KEY_STATUS, parser.nextHexInt());
    position.set("maxSpeed", parser.nextHexInt());
    position.set(Position.KEY_ODOMETER, parser.nextHexInt());
    if (parser.hasNext()) {
        position.set(Position.KEY_HDOP, parser.nextInt() * 0.1);
    }
    if (parser.hasNext()) {
        position.set("alarms", parser.next());
    }
    if (parser.hasNext()) {
        position.set(Position.KEY_G_SENSOR, parser.next());
    }
    if (parser.hasNext()) {
        position.set(Position.KEY_POWER, parser.nextHexInt() * 0.01);
    }
    if (parser.hasNext()) {
        position.set(Position.KEY_BATTERY, parser.nextHexInt() * 0.01);
    }
    if (parser.hasNext()) {
        position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
    }
    if (parser.hasNext()) {
        String[] values = parser.next().split(">");
        for (int i = 1; i < values.length; i++) {
            String value = values[i];
            position.add(ObdDecoder.decodeData(Integer.parseInt(value.substring(4, 6), 16), Long.parseLong(value.substring(6), 16), true));
        }
    }
    return position;
}

Example 50 with NetworkMessage

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

the class BceProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    String imei = String.format("%015d", buf.readLongLE());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    List<Position> positions = new LinkedList<>();
    while (buf.readableBytes() > 1) {
        int dataEnd = buf.readUnsignedShortLE() + buf.readerIndex();
        int type = buf.readUnsignedByte();
        if (type != MSG_ASYNC_STACK && type != MSG_TIME_TRIGGERED) {
            return null;
        }
        int confirmKey = buf.readUnsignedByte() & 0x7F;
        while (buf.readerIndex() < dataEnd) {
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            int structEnd = buf.readUnsignedByte() + buf.readerIndex();
            long time = buf.readUnsignedIntLE();
            if ((time & 0x0f) == DATA_TYPE) {
                time = time >> 4 << 1;
                // 01/01/2008
                time += 0x47798280;
                position.setTime(new Date(time * 1000));
                // Read masks
                int mask;
                List<Integer> masks = new LinkedList<>();
                do {
                    mask = buf.readUnsignedShortLE();
                    masks.add(mask);
                } while (BitUtil.check(mask, 15));
                mask = masks.get(0);
                decodeMask1(buf, mask, position);
                if (masks.size() >= 2) {
                    mask = masks.get(1);
                    decodeMask2(buf, mask, position);
                }
                if (masks.size() >= 3) {
                    mask = masks.get(2);
                    decodeMask3(buf, mask, position);
                }
                if (masks.size() >= 4) {
                    mask = masks.get(3);
                    decodeMask4(buf, mask, position);
                }
            }
            buf.readerIndex(structEnd);
            if (position.getValid()) {
                positions.add(position);
            } else if (!position.getAttributes().isEmpty()) {
                getLastLocation(position, null);
                positions.add(position);
            }
        }
        // Send response
        if (type == MSG_ASYNC_STACK && channel != null) {
            ByteBuf response = Unpooled.buffer(8 + 2 + 2 + 1);
            response.writeLongLE(Long.parseLong(imei));
            response.writeShortLE(2);
            response.writeByte(MSG_STACK_COFIRM);
            response.writeByte(confirmKey);
            int checksum = 0;
            for (int i = 0; i < response.writerIndex(); i++) {
                checksum += response.getUnsignedByte(i);
            }
            response.writeByte(checksum);
            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
        }
    }
    return positions;
}