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

Example 76 with NetworkMessage

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

the class Jt600ProtocolDecoder method decodeBinary.

private List<Position> decodeBinary(ByteBuf buf, Channel channel, SocketAddress remoteAddress) {
    List<Position> positions = new LinkedList<>();
    // header
    buf.readByte();
    boolean longFormat = isLongFormat(buf, buf.readerIndex());
    String id = String.valueOf(Long.parseLong(ByteBufUtil.hexDump(buf.readSlice(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();
    boolean responseRequired = false;
    while (buf.readableBytes() > 1) {
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        decodeBinaryLocation(buf, position);
        if (longFormat) {
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            // vehicle id combined
            buf.readUnsignedInt();
            int status = buf.readUnsignedShort();
            position.set(Position.KEY_ALARM, BitUtil.check(status, 1) ? Position.ALARM_GEOFENCE_ENTER : null);
            position.set(Position.KEY_ALARM, BitUtil.check(status, 2) ? Position.ALARM_GEOFENCE_EXIT : null);
            position.set(Position.KEY_ALARM, BitUtil.check(status, 3) ? Position.ALARM_POWER_CUT : null);
            position.set(Position.KEY_ALARM, BitUtil.check(status, 4) ? Position.ALARM_VIBRATION : null);
            if (BitUtil.check(status, 5)) {
                responseRequired = true;
            }
            position.set(Position.KEY_BLOCKED, BitUtil.check(status, 7));
            position.set(Position.KEY_ALARM, BitUtil.check(status, 8 + 3) ? Position.ALARM_LOW_BATTERY : null);
            position.set(Position.KEY_ALARM, BitUtil.check(status, 8 + 6) ? Position.ALARM_FAULT : null);
            position.set(Position.KEY_STATUS, status);
            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 || protocolVersion == 0x19) {
                // geofence id
                buf.readUnsignedByte();
                // reserved
                buf.skipBytes(3);
                buf.skipBytes(buf.readableBytes() - 1);
            }
        } 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;
            decodeStatus(position, buf);
            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);
    }
    int index = buf.readUnsignedByte();
    if (channel != null && responseRequired) {
        if (protocolVersion < 0x19) {
            channel.writeAndFlush(new NetworkMessage("(P35)", remoteAddress));
        } else {
            channel.writeAndFlush(new NetworkMessage("(P69,0," + index + ")", remoteAddress));
        }
    }
    return positions;
}

Example 77 with NetworkMessage

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

the class MobilogixProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    String sentence = ((String) msg).trim();
    String type = sentence.substring(21, sentence.indexOf(',', 21));
    if (channel != null) {
        String time = sentence.substring(1, 20);
        String response;
        if (type.equals("T1")) {
            response = String.format("[%s,S1,1]", time);
        } else {
            response = String.format("[%s,S%s]", time, type.substring(1));
        }
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
    Parser parser = new Parser(PATTERN, sentence);
    if (!parser.matches()) {
        return null;
    }
    Position position = new Position(getProtocolName());
    position.setDeviceTime(parser.nextDateTime());
    if (parser.nextInt() == 0) {
        position.set(Position.KEY_ARCHIVE, true);
    }
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());
    position.set(Position.KEY_TYPE, type);
    position.set(Position.KEY_ALARM, decodeAlarm(type));
    int status = parser.nextHexInt();
    position.set(Position.KEY_IGNITION, BitUtil.check(status, 2));
    position.set(Position.KEY_MOTION, BitUtil.check(status, 3));
    position.set(Position.KEY_STATUS, status);
    position.set(Position.KEY_BATTERY, parser.nextDouble());
    if (parser.hasNext(7)) {
        position.set(Position.KEY_SATELLITES, parser.nextInt());
        position.set(Position.KEY_RSSI, 6 * parser.nextInt() - 111);
        position.setValid(parser.nextInt() > 0);
        position.setFixTime(position.getDeviceTime());
        position.setLatitude(parser.nextDouble());
        position.setLongitude(parser.nextDouble());
        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
        position.setCourse(parser.nextDouble());
    } else {
        getLastLocation(position, position.getDeviceTime());
    }
    return position;
}

Example 78 with NetworkMessage

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

the class NavisProtocolDecoder method sendFlexReply.

private void sendFlexReply(Channel channel, ByteBuf data) {
    if (channel != null) {
        ByteBuf cs = Unpooled.buffer(1);
        cs.writeByte(Checksum.crc8(new Algorithm(8, 0x31, 0xFF, false, false, 0x00), data.nioBuffer()));
        channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(data, cs), channel.remoteAddress()));
    }
}

Example 79 with NetworkMessage

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

the class NavtelecomProtocolDecoder method sendResponse.

private void sendResponse(Channel channel, SocketAddress remoteAddress, int receiver, int sender, ByteBuf content) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer();
        response.writeCharSequence("@NTC", StandardCharsets.US_ASCII);
        response.writeIntLE(sender);
        response.writeIntLE(receiver);
        response.writeShortLE(content.readableBytes());
        response.writeByte(Checksum.xor(content.nioBuffer()));
        response.writeByte(Checksum.xor(response.nioBuffer()));
        response.writeBytes(content);
        content.release();
        channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
    }
}

Example 80 with NetworkMessage

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

the class NavtelecomProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    if (buf.getByte(buf.readerIndex()) == '@') {
        // preamble
        buf.skipBytes(4);
        int receiver = buf.readIntLE();
        int sender = buf.readIntLE();
        int length = buf.readUnsignedShortLE();
        // data checksum
        buf.readUnsignedByte();
        // header checksum
        buf.readUnsignedByte();
        String type = buf.toString(buf.readerIndex(), 6, StandardCharsets.US_ASCII);
        if (type.startsWith("*>S")) {
            String sentence = buf.readCharSequence(length, StandardCharsets.US_ASCII).toString();
            getDeviceSession(channel, remoteAddress, sentence.substring(4));
            ByteBuf payload = Unpooled.copiedBuffer("*<S", StandardCharsets.US_ASCII);
            sendResponse(channel, remoteAddress, receiver, sender, payload);
        } else if (type.startsWith("*>FLEX")) {
            buf.skipBytes(6);
            ByteBuf payload = Unpooled.buffer();
            payload.writeCharSequence("*<FLEX", StandardCharsets.US_ASCII);
            // protocol
            payload.writeByte(buf.readUnsignedByte());
            // protocol version
            payload.writeByte(buf.readUnsignedByte());
            // struct version
            payload.writeByte(buf.readUnsignedByte());
            int bitCount = buf.readUnsignedByte();
            bits = new BitSet((bitCount + 7) / 8);
            int currentByte = 0;
            for (int i = 0; i < bitCount; i++) {
                if (i % 8 == 0) {
                    currentByte = buf.readUnsignedByte();
                }
                bits.set(i, BitUtil.check(currentByte, 7 - i % 8));
            }
            sendResponse(channel, remoteAddress, receiver, sender, payload);
        }
    } else {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }
        String type = buf.readCharSequence(2, StandardCharsets.US_ASCII).toString();
        if (type.equals("~A")) {
            int count = buf.readUnsignedByte();
            List<Position> positions = new LinkedList<>();
            for (int i = 0; i < count; i++) {
                Position position = new Position(getProtocolName());
                position.setDeviceId(deviceSession.getDeviceId());
                for (int j = 0; j < bits.length(); j++) {
                    if (bits.get(j)) {
                        switch(j + 1) {
                            case 1:
                                position.set(Position.KEY_INDEX, buf.readUnsignedIntLE());
                                break;
                            case 2:
                                position.set(Position.KEY_EVENT, buf.readUnsignedShortLE());
                                break;
                            case 3:
                                position.setDeviceTime(new Date(buf.readUnsignedIntLE() * 1000));
                                break;
                            case 9:
                                position.setValid(true);
                                position.setFixTime(new Date(buf.readUnsignedIntLE() * 1000));
                                break;
                            case 10:
                                position.setLatitude(buf.readIntLE() * 0.0001 / 60);
                                break;
                            case 11:
                                position.setLongitude(buf.readIntLE() * 0.0001 / 60);
                                break;
                            case 12:
                                position.setAltitude(buf.readIntLE() * 0.1);
                                break;
                            case 13:
                                position.setSpeed(UnitsConverter.knotsFromKph(buf.readFloatLE()));
                                break;
                            default:
                                buf.skipBytes(getItemLength(j + 1));
                                break;
                        }
                    }
                }
                if (position.getFixTime() == null) {
                    getLastLocation(position, position.getDeviceTime());
                }
                positions.add(position);
            }
            if (channel != null) {
                ByteBuf response = Unpooled.buffer();
                response.writeCharSequence(type, StandardCharsets.US_ASCII);
                response.writeByte(count);
                response.writeByte(Checksum.crc8(Checksum.CRC8_ROHC, response.nioBuffer()));
                channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
            }
            return positions;
        }
    }
    return null;
}