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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use the contact form at
** http://www.qt.io
**
** This file is part of Qt Enterprise Embedded.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** the contact form at http://www.qt.io
**
****************************************************************************/
#include "qwifidevice.h"
#include <QtCore/QByteArray>
#include <QtCore/QDir>
#ifdef Q_OS_ANDROID_NO_SDK
#include <hardware_legacy/wifi.h>
#include <cutils/properties.h>
#endif
QT_BEGIN_NAMESPACE
/*!
\qmltype WifiDevice
\inqmlmodule QtWifi
\ingroup wifi-qmltypes
\brief Represents a physical device
Use this element to query if a device is WiFi capable before attempting
to use functionality of WifiManager.
\qml
import QtWifi 1.0
GroupBox {
id: wifiOptions
title: "Wifi"
visible: false
Component.onCompleted: {
if (WifiDevice.wifiSupported()) {
var component = Qt.createComponent("WifiGroupBox.qml")
var wifi = component.createObject(wifiOptions.contentItem)
if (wifi)
wifiOptions.visible = true
} else {
print("WiFi functionality not available on this device.")
}
}
}
\endqml
*/
/*!
\qmlmethod bool QWifiDevice::wifiSupported()
Returns true if the device is WiFi capable - WiFi driver and firmware has been
successfully loaded by the system, otherwise returns false.
\sa wifiInterfaceName
*/
QWifiDevice::QWifiDevice()
{
}
QWifiDevice::~QWifiDevice()
{
}
bool QWifiDevice::wifiSupported()
{
#ifdef Q_OS_ANDROID_NO_SDK
const char *fwpath = 0;
// reload wifi firmware
fwpath = (char *)wifi_get_fw_path(WIFI_GET_FW_PATH_STA);
if (!fwpath) {
qCWarning(B2QT_WIFI) << "failed to get firmware path";
return false;
}
if (wifi_change_fw_path((const char *)fwpath)) {
qCWarning(B2QT_WIFI) << "failed to change firmware path";
return false;
}
#endif
QByteArray ifc = wifiInterfaceName();
bool hasInterface = QDir().exists(QString::fromLatin1("/sys/class/net/" + ifc));
if (!hasInterface)
qCWarning(B2QT_WIFI) << "could not find wifi interface in \"/sys/class/net/\", "
"looking for interface named: " << ifc;
#ifdef Q_OS_ANDROID_NO_SDK
if (hasInterface && wifi_load_driver() == 0) {
return true;
} else {
qCWarning(B2QT_WIFI) << "wifi driver is not available";
return false;
}
#else
return hasInterface;
#endif
}
/*!
\fn QByteArray QWifiDevice::wifiInterfaceName()
Returns WiFi interface name.
\note On Android WiFi interface name is read from "wifi.interface" system property.
On Linux WiFi interface name is read from B2QT_WIFI_INTERFACE environmental variable if
it is set. The default interface name is "wlan0" if reading the designated places does not
provide an interface name.
/sa setWifiInterfaceName
*/
QByteArray QWifiDevice::wifiInterfaceName()
{
QByteArray ifc;
#ifdef Q_OS_ANDROID_NO_SDK
char interface[PROPERTY_VALUE_MAX];
property_get("wifi.interface", interface, NULL);
ifc = interface[0] == '\0' ? "wlan0" : interface;
#else
ifc = qEnvironmentVariableIsSet("B2QT_WIFI_INTERFACE")
? qgetenv("B2QT_WIFI_INTERFACE") : "wlan0";
#endif
return ifc;
}
/*!
\fn void QWifiDevice::setWifiInterfaceName(const QByteArray &name)
A conveniece method for settings WiFi interface name.
*/
void QWifiDevice::setWifiInterfaceName(const QByteArray &name)
{
#ifdef Q_OS_ANDROID_NO_SDK
property_set("wifi.interface", name);
#else
qputenv("B2QT_WIFI_INTERFACE", name);
#endif
}
QT_END_NAMESPACE
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