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

Example 16 with NetworkMessage

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

the class H02ProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    String marker = buf.toString(0, 1, StandardCharsets.US_ASCII);
    switch(marker) {
        case "*":
            String sentence = buf.toString(StandardCharsets.US_ASCII).trim();
            int typeStart = sentence.indexOf(',', sentence.indexOf(',') + 1) + 1;
            int typeEnd = sentence.indexOf(',', typeStart);
            if (typeEnd < 0) {
                typeEnd = sentence.indexOf('#', typeStart);
            }
            if (typeEnd > 0) {
                String type = sentence.substring(typeStart, typeEnd);
                switch(type) {
                    case "V0":
                    case "HTBT":
                        if (channel != null) {
                            String response = sentence.substring(0, typeEnd) + "#";
                            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
                        }
                        return decodeHeartbeat(sentence, channel, remoteAddress);
                    case "NBR":
                        return decodeLbs(sentence, channel, remoteAddress);
                    case "LINK":
                        return decodeLink(sentence, channel, remoteAddress);
                    case "V3":
                        return decodeV3(sentence, channel, remoteAddress);
                    case "VP1":
                        return decodeVp1(sentence, channel, remoteAddress);
                    default:
                        return decodeText(sentence, channel, remoteAddress);
                }
            } else {
                return null;
            }
        case "$":
            return decodeBinary(buf, channel, remoteAddress);
        case "X":
        default:
            return null;
    }
}

Example 17 with NetworkMessage

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

the class HuabaoProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    if (buf.getByte(buf.readerIndex()) == '(') {
        String sentence = buf.toString(StandardCharsets.US_ASCII);
        if (sentence.contains("BASE,2")) {
            DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
            dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
            String response = sentence.replace("TIME", dateFormat.format(new Date()));
            if (channel != null) {
                channel.writeAndFlush(new NetworkMessage(Unpooled.copiedBuffer(response, StandardCharsets.US_ASCII), remoteAddress));
            }
            return null;
        } else {
            return decodeResult(channel, remoteAddress, sentence);
        }
    }
    // start marker
    buf.readUnsignedByte();
    int type = buf.readUnsignedShort();
    int attribute = buf.readUnsignedShort();
    // phone number
    ByteBuf id = buf.readSlice(6);
    int index;
    if (type == MSG_LOCATION_REPORT_2 || type == MSG_LOCATION_REPORT_BLIND) {
        index = buf.readUnsignedByte();
    } else {
        index = buf.readUnsignedShort();
    }
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ByteBufUtil.hexDump(id));
    if (deviceSession == null) {
        return null;
    }
    if (deviceSession.getTimeZone() == null) {
        deviceSession.setTimeZone(getTimeZone(deviceSession.getDeviceId(), "GMT+8"));
    }
    if (type == MSG_TERMINAL_REGISTER) {
        if (channel != null) {
            ByteBuf response = Unpooled.buffer();
            response.writeShort(index);
            response.writeByte(RESULT_SUCCESS);
            response.writeBytes(ByteBufUtil.hexDump(id).getBytes(StandardCharsets.US_ASCII));
            channel.writeAndFlush(new NetworkMessage(formatMessage(MSG_TERMINAL_REGISTER_RESPONSE, id, false, response), remoteAddress));
        }
    } else if (type == MSG_TERMINAL_AUTH || type == MSG_HEARTBEAT || type == MSG_PHOTO) {
        sendGeneralResponse(channel, remoteAddress, id, type, index);
    } else if (type == MSG_LOCATION_REPORT) {
        sendGeneralResponse(channel, remoteAddress, id, type, index);
        return decodeLocation(deviceSession, buf);
    } else if (type == MSG_LOCATION_REPORT_2 || type == MSG_LOCATION_REPORT_BLIND) {
        if (BitUtil.check(attribute, 15)) {
            sendGeneralResponse2(channel, remoteAddress, id, type);
        }
        return decodeLocation2(deviceSession, buf, type);
    } else if (type == MSG_LOCATION_BATCH) {
        sendGeneralResponse(channel, remoteAddress, id, type, index);
        return decodeLocationBatch(deviceSession, buf);
    } else if (type == MSG_TIME_SYNC_REQUEST) {
        if (channel != null) {
            Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
            ByteBuf response = Unpooled.buffer();
            response.writeShort(calendar.get(Calendar.YEAR));
            response.writeByte(calendar.get(Calendar.MONTH) + 1);
            response.writeByte(calendar.get(Calendar.DAY_OF_MONTH));
            response.writeByte(calendar.get(Calendar.HOUR_OF_DAY));
            response.writeByte(calendar.get(Calendar.MINUTE));
            response.writeByte(calendar.get(Calendar.SECOND));
            channel.writeAndFlush(new NetworkMessage(formatMessage(MSG_TERMINAL_REGISTER_RESPONSE, id, false, response), remoteAddress));
        }
    } else if (type == MSG_ACCELERATION) {
        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());
        getLastLocation(position, null);
        StringBuilder data = new StringBuilder("[");
        while (buf.readableBytes() > 2) {
            // time
            buf.skipBytes(6);
            if (data.length() > 1) {
                data.append(",");
            }
            data.append("[");
            data.append(readSignedWord(buf));
            data.append(",");
            data.append(readSignedWord(buf));
            data.append(",");
            data.append(readSignedWord(buf));
            data.append("]");
        }
        data.append("]");
        position.set(Position.KEY_G_SENSOR, data.toString());
        return position;
    }
    return null;
}

Example 18 with NetworkMessage

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

the class HuabaoProtocolDecoder method sendGeneralResponse2.

private void sendGeneralResponse2(Channel channel, SocketAddress remoteAddress, ByteBuf id, int type) {
    if (channel != null) {
        ByteBuf response = Unpooled.buffer();
        response.writeShort(type);
        response.writeByte(RESULT_SUCCESS);
        channel.writeAndFlush(new NetworkMessage(formatMessage(MSG_GENERAL_RESPONSE_2, id, true, response), remoteAddress));
    }
}

Example 19 with NetworkMessage

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

the class GranitProtocolDecoder method sendResponseCurrent.

private static void sendResponseCurrent(Channel channel, int deviceId, long time) {
    ByteBuf response = Unpooled.buffer();
    response.writeBytes("BB+UGRC~".getBytes(StandardCharsets.US_ASCII));
    // length
    response.writeShortLE(6);
    response.writeInt((int) time);
    response.writeShortLE(deviceId);
    appendChecksum(response, 16);
    channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
}

Example 20 with NetworkMessage

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

the class Gs100ProtocolDecoder method decode.

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
    ByteBuf buf = (ByteBuf) msg;
    String header = buf.readCharSequence(2, StandardCharsets.US_ASCII).toString();
    if (header.equals("GL")) {
        buf.skipBytes(1);
        String imei = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString();
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
        if (channel != null && deviceSession != null) {
            ByteBuf response = Unpooled.copiedBuffer("GS100", StandardCharsets.US_ASCII);
            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
        }
        return null;
    } else {
        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
        if (deviceSession == null) {
            return null;
        }
        List<Position> positions = new LinkedList<>();
        int count = buf.readUnsignedByte();
        for (int i = 0; i < count; i++) {
            int endIndex = buf.readUnsignedByte() + buf.readerIndex();
            Position position = new Position(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());
            int status = buf.readUnsignedMedium();
            position.set(Position.KEY_STATUS, status);
            if (BitUtil.check(status, 8 + 8 + 7)) {
                DateBuilder dateBuilder = new DateBuilder().setHour(BcdUtil.readInteger(buf, 2)).setMinute(BcdUtil.readInteger(buf, 2)).setSecond(BcdUtil.readInteger(buf, 2)).setDay(BcdUtil.readInteger(buf, 2)).setMonth(BcdUtil.readInteger(buf, 2)).setYear(BcdUtil.readInteger(buf, 2));
                position.setTime(dateBuilder.getDate());
                position.setValid(true);
                String coordinates = ByteBufUtil.hexDump(buf.readSlice(9));
                position.setLongitude(Integer.parseInt(coordinates.substring(0, 3)) + Integer.parseInt(coordinates.substring(3, 9)) * 0.0001 / 60);
                position.setLatitude(Integer.parseInt(coordinates.substring(10, 12)) + Integer.parseInt(coordinates.substring(12, 18)) * 0.0001 / 60);
                int flags = Integer.parseInt(coordinates.substring(9, 10), 16);
                if (!BitUtil.check(flags, 3)) {
                    position.setLongitude(-position.getLongitude());
                }
                if (!BitUtil.check(flags, 2)) {
                    position.setLatitude(-position.getLatitude());
                }
                String other = ByteBufUtil.hexDump(buf.readSlice(4));
                position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(other.substring(0, 5)) * 0.01));
                position.setCourse(Integer.parseInt(other.substring(5, 8)));
            } else {
                getLastLocation(position, null);
            }
            positions.add(position);
            buf.readerIndex(endIndex);
        }
        if (channel != null) {
            ByteBuf response = Unpooled.buffer();
            response.writeCharSequence("GS100", StandardCharsets.US_ASCII);
            response.writeByte(count);
            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
        }
        return positions.isEmpty() ? null : positions;
    }
}