Beispiel #1
0
void QBBLocaleData::updateMesurementSystem()
{
    char buffer[ppsBufferSize];

    errno = 0;
    int bytes = qt_safe_read(ppsFd, buffer, ppsBufferSize - 1);
    if (bytes == -1) {
        qWarning("Failed to read Locale pps, errno=%d", errno);
        return;
    }
    // ensure data is null terminated
    buffer[bytes] = '\0';

    pps_decoder_t ppsDecoder;
    pps_decoder_initialize(&ppsDecoder, 0);
    if (pps_decoder_parse_pps_str(&ppsDecoder, buffer) == PPS_DECODER_OK) {
        pps_decoder_push(&ppsDecoder, 0);
        const char *measurementBuff;
        if (pps_decoder_get_string(&ppsDecoder, "uom", &measurementBuff) == PPS_DECODER_OK) {
            if (qstrcmp(measurementBuff, "imperial") == 0) {
                pps_decoder_cleanup(&ppsDecoder);
                ppsMeasurement = QLocale::ImperialSystem;
                return;
            }
        }
    }

    pps_decoder_cleanup(&ppsDecoder);
    ppsMeasurement = QLocale::MetricSystem;
}
Beispiel #2
0
QByteArray QBBSystemLocaleData::readPpsValue(const char *ppsObject, int ppsFd)
{
    QByteArray result;
    if (!ppsObject || ppsFd == -1)
        return result;

    char buffer[ppsBufferSize];

    int bytes = qt_safe_read(ppsFd, buffer, ppsBufferSize - 1);
    if (bytes == -1) {
        qWarning("Failed to read Locale pps, errno=%d", errno);
        return result;
    }
    // ensure data is null terminated
    buffer[bytes] = '\0';

    pps_decoder_t ppsDecoder;
    pps_decoder_initialize(&ppsDecoder, 0);
    if (pps_decoder_parse_pps_str(&ppsDecoder, buffer) == PPS_DECODER_OK) {
        pps_decoder_push(&ppsDecoder, 0);
        const char *ppsBuff;
        if (pps_decoder_get_string(&ppsDecoder, ppsObject, &ppsBuff) == PPS_DECODER_OK) {
            result = ppsBuff;
        } else {
            int val;
            if (pps_decoder_get_int(&ppsDecoder, ppsObject, &val) == PPS_DECODER_OK)
                result = QByteArray::number(val);
        }
    }

    pps_decoder_cleanup(&ppsDecoder);

    return result;
}
Beispiel #3
0
bool ppsReadRemoteDevice(int fd, pps_decoder_t *decoder, QBluetoothAddress *btAddr, QString *deviceName)
{
    char buf[ppsBufferSize * 2];
    char addr_buf[18];

    addr_buf[17] = '\0';

    if (qt_safe_read(fd, &buf, sizeof(buf)) == -1) {
        qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "Could not qt_safe_read from pps remote device file";
        return false;
    }

    qCDebug(QT_BT_QNX) << "Remote device" << buf;

    //the address of the BT device is stored at the beginning of the qt_safe_read
    if (buf[0] != '-') {
        memcpy(&addr_buf, &buf[1], 17);
    } else { //The device was removed
        memcpy(&addr_buf, &buf[2], 17);
        return false;
    }

    *btAddr = QBluetoothAddress(QString::fromUtf8(addr_buf));

    if (pps_decoder_parse_pps_str(decoder, buf) == PPS_DECODER_OK) {
        const char* name;
        pps_decoder_push(decoder, 0);

        if (pps_decoder_get_string(decoder, "name", &name) == PPS_DECODER_OK)
            (*deviceName) = QString::fromUtf8(name);

        return true;
    }
    return false;
}
Beispiel #4
0
void QBBVirtualKeyboard::ppsDataReady()
{
    while(1) {
        ssize_t nread = read(mFd, mBuffer, sBufferSize - 1);

#ifdef QBBVIRTUALKEYBOARD_DEBUG
        qDebug() << "QBB: keyboardMessage size: " << nread;
#endif
        if (nread < 0)
            break;

        // nread is the real space necessary, not the amount read.
        if (static_cast<size_t>(nread) > sBufferSize - 1) {
            qCritical("QBBVirtualKeyboard: Keyboard buffer size too short; need %u.", nread + 1);
            break;
        }

        mBuffer[nread] = 0;
        pps_decoder_parse_pps_str(mDecoder, mBuffer);
        pps_decoder_push(mDecoder, NULL);
#ifdef QBBVIRTUALKEYBOARD_DEBUG
        pps_decoder_dump_tree(mDecoder, stderr);
#endif

        const char* value;
        if (pps_decoder_get_string(mDecoder, "error", &value) == PPS_DECODER_OK) {
            qCritical("QBBVirtualKeyboard: Keyboard PPS decoder error: %s", value ? value : "[null]");
            continue;
        }

        if (pps_decoder_get_string(mDecoder, "msg", &value) == PPS_DECODER_OK) {
            if (strcmp(value, "show") == 0) {
                mVisible = true;
                handleKeyboardStateChangeMessage(true);
            } else if (strcmp(value, "hide") == 0) {
                mVisible = false;
                handleKeyboardStateChangeMessage(false);
            } else if (strcmp(value, "info") == 0)
                handleKeyboardInfoMessage();
            else if (strcmp(value, "connect") == 0) { }
            else
                qCritical("QBBVirtualKeyboard: Unexpected keyboard PPS msg value: %s", value ? value : "[null]");
        } else if (pps_decoder_get_string(mDecoder, "res", &value) == PPS_DECODER_OK) {
            if (strcmp(value, "info") == 0)
                handleKeyboardInfoMessage();
            else
                qCritical("QBBVirtualKeyboard: Unexpected keyboard PPS res value: %s", value ? value : "[null]");
        } else
            qCritical("QBBVirtualKeyboard: Unexpected keyboard PPS message type");
    }

#ifdef QBBVIRTUALKEYBOARD_DEBUG
    qDebug() << "QBB: exiting keyboard thread";
#endif

    if (mDecoder)
        pps_decoder_cleanup(mDecoder);
}
void QQnxVirtualKeyboardPps::ppsDataReady()
{
    ssize_t nread = qt_safe_read(m_fd, m_buffer, ms_bufferSize - 1);

    qVirtualKeyboardDebug() << Q_FUNC_INFO << "keyboardMessage size: " << nread;
    if (nread < 0){
        connect(); // reconnect
        return;
    }

    // We sometimes get spurious read notifications when no data is available.
    // Bail out early in this case
    if (nread == 0)
        return;

    // nread is the real space necessary, not the amount read.
    if (static_cast<size_t>(nread) > ms_bufferSize - 1) {
        qCritical("QQnxVirtualKeyboard: Keyboard buffer size too short; need %u.", nread + 1);
        connect(); // reconnect
        return;
    }

    m_buffer[nread] = 0;
    pps_decoder_parse_pps_str(m_decoder, m_buffer);
    pps_decoder_push(m_decoder, 0);
#if defined(QQNXVIRTUALKEYBOARD_DEBUG)
    pps_decoder_dump_tree(m_decoder, stderr);
#endif

    const char *value;
    if (pps_decoder_get_string(m_decoder, "error", &value) == PPS_DECODER_OK) {
        qCritical("QQnxVirtualKeyboard: Keyboard PPS decoder error: %s", value ? value : "[null]");
        return;
    }

    if (pps_decoder_get_string(m_decoder, "msg", &value) == PPS_DECODER_OK) {
        if (strcmp(value, "show") == 0)
            setVisible(true);
        else if (strcmp(value, "hide") == 0)
            setVisible(false);
        else if (strcmp(value, "info") == 0)
            handleKeyboardInfoMessage();
        else if (strcmp(value, "connect") == 0)
            qVirtualKeyboardDebug() << Q_FUNC_INFO << "Unhandled command 'connect'";
        else
            qCritical("QQnxVirtualKeyboard: Unexpected keyboard PPS msg value: %s", value ? value : "[null]");
    } else if (pps_decoder_get_string(m_decoder, "res", &value) == PPS_DECODER_OK) {
        if (strcmp(value, "info") == 0)
            handleKeyboardInfoMessage();
        else
            qCritical("QQnxVirtualKeyboard: Unexpected keyboard PPS res value: %s", value ? value : "[null]");
    } else {
        qCritical("QQnxVirtualKeyboard: Unexpected keyboard PPS message type");
    }
}
Beispiel #6
0
QByteArray QBBSystemLocaleData::readPpsValue(const char *ppsObject, int ppsFd)
{
    QByteArray result;
    if (!ppsObject || ppsFd == -1)
        return result;


    // PPS objects are of unknown size, but must be read all at once.
    // Relying on the file size may not be a good idea since the size may change before reading.
    // Let's try with an initial size (512), and if the buffer is too small try with bigger one,
    // until we succeed or until other non buffer-size-related error occurs.
    // Using QVarLengthArray means the first try (of size == 512) uses a buffer on the stack - no allocation necessary.
     // Hopefully that covers most use cases.
    int bytes;
    QVarLengthArray<char, 512> buffer;
    for (;;) {
        errno = 0;
        bytes = qt_safe_read(ppsFd, buffer.data(), buffer.capacity() - 1);
        const bool bufferIsTooSmall = (bytes == -1 && errno == EMSGSIZE && buffer.capacity() < MAX_PPS_SIZE);
        if (!bufferIsTooSmall)
            break;

        buffer.resize(qMin(buffer.capacity()*2, MAX_PPS_SIZE));
    }

    // This method is called in the ctor(), so do not use qWarning to log warnings
    // if qt_safe_read fails to read the pps file
    // since the user code may install a message handler that invokes QLocale API again
    // (i.e QDate, QDateTime, ...) which will cause a infinite loop.
    if (bytes == -1) {
        fprintf(stderr, "Failed to read pps object:%s, errno=%d\n", ppsObject, errno);
        return result;
    }
    // ensure data is null terminated
    buffer[bytes] = '\0';

    pps_decoder_t ppsDecoder;
    pps_decoder_initialize(&ppsDecoder, 0);
    if (pps_decoder_parse_pps_str(&ppsDecoder, buffer.data()) == PPS_DECODER_OK) {
        pps_decoder_push(&ppsDecoder, 0);
        const char *ppsBuff;
        if (pps_decoder_get_string(&ppsDecoder, ppsObject, &ppsBuff) == PPS_DECODER_OK) {
            result = ppsBuff;
        } else {
            int val;
            if (pps_decoder_get_int(&ppsDecoder, ppsObject, &val) == PPS_DECODER_OK)
                result = QByteArray::number(val);
        }
    }

    pps_decoder_cleanup(&ppsDecoder);

    return result;
}
Beispiel #7
0
QVariant ppsReadSetting(const char *property)
{
    int settingsFD;
    char buf[ppsBufferSize];
    if ((settingsFD = qt_safe_open(btSettingsFDPath, O_RDONLY)) == -1) {
        qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "failed to open "<< btSettingsFDPath;
        return QVariant();
    }

    QVariant result;

    qt_safe_read( settingsFD, &buf, sizeof(buf));
    pps_decoder_t decoder;
    pps_decoder_initialize(&decoder, 0);

    if (pps_decoder_parse_pps_str(&decoder, buf) == PPS_DECODER_OK) {
        pps_decoder_push(&decoder, 0);
        pps_node_type_t nodeType = pps_decoder_type(&decoder, property);
        if (nodeType == PPS_TYPE_STRING) {
            const char *dat;
            if (pps_decoder_get_string(&decoder, property, &dat) == PPS_DECODER_OK) {
                result = QString::fromUtf8(dat);
                qCDebug(QT_BT_QNX) << "Read setting" << result;
            } else {
                qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "could not read"<< property;
                return QVariant();
            }
        } else if (nodeType == PPS_TYPE_BOOL) {
            bool dat;
            if (pps_decoder_get_bool(&decoder, property, &dat) == PPS_DECODER_OK) {
                result = dat;
                qCDebug(QT_BT_QNX) << "Read setting" << result;
            } else {
                qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "could not read"<< property;
                return QVariant();
            }
        } else if (nodeType == PPS_TYPE_NUMBER) {
            int dat;
            if (pps_decoder_get_int(&decoder, property, &dat) == PPS_DECODER_OK) {
                result = dat;
                qCDebug(QT_BT_QNX) << "Read setting" << result;
            } else {
                qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "could not read"<< property;
                return QVariant();
            }
        } else {
            qCDebug(QT_BT_QNX) << Q_FUNC_INFO << "unrecognized entry for settings";
        }
    }
    pps_decoder_cleanup(&decoder);
    qt_safe_close(settingsFD);
    return result;
}
Beispiel #8
0
QVariant ppsRemoteDeviceStatus(const QByteArray &address, const char *property)
{
    int rmFD;
    char buf[ppsBufferSize];
    QByteArray filename = btRemoteDevFDPath;
    filename.append(address);

    if ((rmFD = qt_safe_open(filename.constData(), O_RDONLY)) < 0) {
        qCWarning(QT_BT_QNX) << Q_FUNC_INFO << "failed to open "<< btRemoteDevFDPath << address;
        return false;
    }

    QVariant res;

    qt_safe_read(rmFD, &buf, sizeof(buf));
    pps_decoder_t ppsDecoder;
    pps_decoder_initialize(&ppsDecoder, 0);
    if (pps_decoder_parse_pps_str(&ppsDecoder, buf) == PPS_DECODER_OK) {
        pps_decoder_push(&ppsDecoder, 0);

        //Find out about the node type
        pps_node_type_t nodeType = pps_decoder_type(&ppsDecoder, property);
        if (nodeType == PPS_TYPE_STRING) {
            const char *dat;
            pps_decoder_get_string(&ppsDecoder,property,&dat);
            res = QString::fromUtf8(dat);
        } else if (nodeType == PPS_TYPE_BOOL) {
            bool dat;
            pps_decoder_get_bool(&ppsDecoder,property,&dat);
            res = QVariant(dat);
        } else {
            qCDebug(QT_BT_QNX) << "RDStatus: No node type" << property;
        }
    }
    pps_decoder_cleanup(&ppsDecoder);
    qt_safe_close(rmFD);
    return res;
}
Beispiel #9
0
void ppsDecodeControlResponse()
{
    ppsResult result;
    ResultType resType = UNKNOWN;

    if (ppsCtrlFD != -1) {
        char buf[ppsBufferSize];
        qt_safe_read(ppsCtrlFD, &buf, sizeof(buf) );
        if (buf[0] != '@')
            return;
        qCDebug(QT_BT_QNX) << "CTRL Response" << buf;

        pps_decoder_t ppsDecoder;
        pps_decoder_initialize(&ppsDecoder, 0);
        if (pps_decoder_parse_pps_str(&ppsDecoder, buf) == PPS_DECODER_OK) {
            pps_decoder_push(&ppsDecoder, 0);
            const char *buf;

            //The pps response can either be of type 'res', 'msg' or 'evt'
            if (pps_decoder_get_string(&ppsDecoder, "res", &buf) == PPS_DECODER_OK) {
                result.msg = QString::fromUtf8(buf);
                resType = RESPONSE;
            } else if (pps_decoder_get_string(&ppsDecoder, "msg", &buf) == PPS_DECODER_OK) {
                result.msg = QString::fromUtf8(buf);
                resType = MESSAGE;
            } else if (pps_decoder_get_string(&ppsDecoder, "evt", &buf) == PPS_DECODER_OK) {
                result.msg = QString::fromUtf8(buf);
                resType = EVENT;
            }

            if (pps_decoder_get_string(&ppsDecoder, "id",  &buf) == PPS_DECODER_OK)
                result.id = QString::fromUtf8(buf).toInt();

            //read out the error message if there is one
            if (pps_decoder_get_string(&ppsDecoder, "errstr", &buf) == PPS_DECODER_OK)
                result.errorMsg = QString::fromUtf8(buf);

            int dat;
            if (pps_decoder_get_int(&ppsDecoder, "err", &dat) == PPS_DECODER_OK) {
                result.error = dat;
            }

            //The dat object can be either a string or a array
            pps_node_type_t nodeType = pps_decoder_type(&ppsDecoder,"dat");
            if (nodeType == PPS_TYPE_STRING) {
                pps_decoder_get_string(&ppsDecoder,"dat",&buf);
                result.dat << QString::fromUtf8(buf);
            } else if (nodeType == PPS_TYPE_OBJECT || nodeType == PPS_TYPE_ARRAY) {
                pps_decoder_push(&ppsDecoder,"dat");
                pps_decoder_goto_index(&ppsDecoder, 0);
                int len = pps_decoder_length(&ppsDecoder);

                for (int i = 0; i < len; ++i) {
                    switch ( pps_decoder_type(&ppsDecoder, 0)) {
                    case PPS_TYPE_STRING:
                         result.dat << QString::fromUtf8(pps_decoder_name(&ppsDecoder));
                         pps_decoder_get_string(&ppsDecoder, 0, &buf);
                         result.dat << QString::fromUtf8(buf);
                         break;
                     case PPS_TYPE_NUMBER:
                         result.dat << QString::fromUtf8(pps_decoder_name(&ppsDecoder));
                         double dvalue;
                         pps_decoder_get_double(&ppsDecoder, 0, &dvalue);
                         result.dat << QString::number(dvalue);
                         break;
                     default:
                         pps_decoder_next(&ppsDecoder);
                     }
                 }
            } else {
                qCDebug(QT_BT_QNX) << "Control Response: No node type" << result.msg;
            }
        }
        pps_decoder_cleanup(&ppsDecoder);
    }

    if (result.msg == QStringLiteral("radio_init")) {
        qCDebug(QT_BT_QNX) << "Radio initialized";
    } else if (result.msg == QStringLiteral("access_changed") && __newHostMode != -1) {
        qCDebug(QT_BT_QNX) << "Access changed after radio init";
        ppsSendControlMessage("set_access", QStringLiteral("{\"access\":%1}").arg(__newHostMode), 0);
        __newHostMode = -1;
    }

    if (resType == RESPONSE) {
        QPair<int, QObject*> wMessage = takeObjectInWList(result.id);
        if (wMessage.second != 0)
            wMessage.second->metaObject()->invokeMethod(wMessage.second, "controlReply", Q_ARG(ppsResult, result));
    } else if (resType == EVENT) {
        //qCDebug(QT_BT_QNX) << "Distributing event" << result.msg;
        for (int i=0; i < evtRegistration.size(); i++) {
            if (result.msg == evtRegistration.at(i).first)
                evtRegistration.at(i).second->metaObject()->invokeMethod(evtRegistration.at(i).second, "controlEvent", Q_ARG(ppsResult, result));
        }
    }
}