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

Example 91 with NetworkMessage

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

the class TotemProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    String sentence = (String) msg;
    Pattern pattern = PATTERN3;
    if (sentence.contains("$Cloud")) {
        pattern = PATTERN_OBD;
    } else if (sentence.charAt(2) == '0') {
        pattern = PATTERN4;
    } else if (sentence.contains("$GPRMC")) {
        pattern = PATTERN1;
    } else {
        int index = sentence.indexOf('|');
        if (index != -1 && sentence.indexOf('|', index + 1) != -1) {
            pattern = PATTERN2;
        }
    }
    Parser parser = new Parser(pattern, sentence);
    if (!parser.matches()) {
        return null;
    }
    Position position = new Position(getProtocolName());
    if (pattern == PATTERN4) {
        position.set(Position.KEY_ALARM, decodeAlarm4(parser.nextHexInt()));
    }
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    boolean result;
    if (pattern == PATTERN1 || pattern == PATTERN2) {
        result = decode12(position, parser, pattern);
    } else if (pattern == PATTERN3) {
        result = decode3(position, parser);
    } else if (pattern == PATTERN4) {
        result = decode4(position, parser);
    } else {
        result = decodeObd(position, parser);
    }
    if (channel != null) {
        if (pattern == PATTERN4) {
            String response = "$$0014AA" + sentence.substring(sentence.length() - 6, sentence.length() - 2);
            response += String.format("%02X", Checksum.xor(response)).toUpperCase();
            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
        } else {
            channel.writeAndFlush(new NetworkMessage("ACK OK\r\n", remoteAddress));
        }
    }
    return result ? position : null;
}

Example 92 with NetworkMessage

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

the class Tr20ProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    Parser parser = new Parser(PATTERN_PING, (String) msg);
    if (parser.matches()) {
        if (channel != null) {
            channel.writeAndFlush(new NetworkMessage("&&" + parser.next() + "\r\n", // keep-alive response
            remoteAddress));
        }
        return null;
    }
    parser = new Parser(PATTERN_DATA, (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());
    position.setValid(parser.next().equals("A"));
    position.setTime(parser.nextDateTime());
    position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
    position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
    position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
    position.setCourse(parser.nextDouble());
    position.set(Position.PREFIX_TEMP + 1, parser.nextInt());
    position.set(Position.KEY_STATUS, parser.nextHexLong());
    position.set(Position.KEY_EVENT, parser.nextInt());
    return position;
}

Example 93 with NetworkMessage

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

the class TramigoProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    int protocol = buf.readUnsignedByte();
    boolean legacy = protocol == 0x80;
    // version id
    buf.readUnsignedByte();
    int index = legacy ? buf.readUnsignedShort() : buf.readUnsignedShortLE();
    int type = legacy ? buf.readUnsignedShort() : buf.readUnsignedShortLE();
    // length
    buf.readUnsignedShort();
    // mask
    buf.readUnsignedShort();
    // checksum
    buf.readUnsignedShort();
    long id = legacy ? buf.readUnsignedInt() : buf.readUnsignedIntLE();
    // time
    buf.readUnsignedInt();
    Position position = new Position(getProtocolName());
    position.set(Position.KEY_INDEX, index);
    position.setValid(true);
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(id));
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    if (protocol == 0x01 && (type == MSG_COMPACT || type == MSG_FULL)) {
        // need to send ack?
        // report trigger
        buf.readUnsignedShortLE();
        // state flag
        buf.readUnsignedShortLE();
        position.setLatitude(buf.readUnsignedIntLE() * 0.0000001);
        position.setLongitude(buf.readUnsignedIntLE() * 0.0000001);
        position.set(Position.KEY_RSSI, buf.readUnsignedShortLE());
        position.set(Position.KEY_SATELLITES, buf.readUnsignedShortLE());
        position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedShortLE());
        position.set("gpsAntennaStatus", buf.readUnsignedShortLE());
        position.setSpeed(buf.readUnsignedShortLE() * 0.194384);
        position.setCourse(buf.readUnsignedShortLE());
        position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
        position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE());
        position.set(Position.KEY_CHARGE, buf.readUnsignedShortLE());
        position.setTime(new Date(buf.readUnsignedIntLE() * 1000));
        return position;
    } else if (legacy) {
        if (channel != null) {
            channel.writeAndFlush(new NetworkMessage(Unpooled.copiedBuffer("gprs,ack," + index, StandardCharsets.US_ASCII), remoteAddress));
        }
        String sentence = buf.toString(StandardCharsets.US_ASCII);
        Pattern pattern = Pattern.compile("(-?\\d+\\.\\d+), (-?\\d+\\.\\d+)");
        Matcher matcher = pattern.matcher(sentence);
        if (!matcher.find()) {
            return null;
        }
        position.setLatitude(Double.parseDouble(matcher.group(1)));
        position.setLongitude(Double.parseDouble(matcher.group(2)));
        pattern = Pattern.compile("([NSWE]{1,2}) with speed (\\d+) km/h");
        matcher = pattern.matcher(sentence);
        if (matcher.find()) {
            for (int i = 0; i < DIRECTIONS.length; i++) {
                if (matcher.group(1).equals(DIRECTIONS[i])) {
                    position.setCourse(i * 45.0);
                    break;
                }
            }
            position.setSpeed(UnitsConverter.knotsFromKph(Double.parseDouble(matcher.group(2))));
        }
        pattern = Pattern.compile("(\\d{1,2}:\\d{2}(:\\d{2})? \\w{3} \\d{1,2})");
        matcher = pattern.matcher(sentence);
        if (!matcher.find()) {
            return null;
        }
        DateFormat dateFormat = new SimpleDateFormat(matcher.group(2) != null ? "HH:mm:ss MMM d yyyy" : "HH:mm MMM d yyyy", Locale.ENGLISH);
        position.setTime(DateUtil.correctYear(dateFormat.parse(matcher.group(1) + " " + Calendar.getInstance().get(Calendar.YEAR))));
        if (sentence.contains("Ignition on detected")) {
            position.set(Position.KEY_IGNITION, true);
        } else if (sentence.contains("Ignition off detected")) {
            position.set(Position.KEY_IGNITION, false);
        }
        return position;
    }
    return null;
}

Example 94 with NetworkMessage

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

the class TzoneProtocolDecoder method sendResponse.

private void sendResponse(Channel channel, SocketAddress remoteAddress, int index) {
    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
    String ack = String.format("@ACK,%d#", index);
    String time = String.format("@UTC time:%s", dateFormat.format(new Date()));
    ByteBuf response = Unpooled.copiedBuffer(ack + time, StandardCharsets.US_ASCII);
    if (channel != null) {
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
}

Example 95 with NetworkMessage

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

the class TeltonikaProtocolDecoder method parseIdentification.

private void parseIdentification(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
    int length = buf.readUnsignedShort();
    String imei = buf.toString(buf.readerIndex(), length, StandardCharsets.US_ASCII);
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (channel != null) {
        ByteBuf response = Unpooled.buffer(1);
        if (deviceSession != null) {
            response.writeByte(1);
        } else {
            response.writeByte(0);
        }
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
}