libnymea-networkmanager/libnymea-networkmanager/wirelessnetworkdevice.cpp

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C++

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/*!
\class WirelessNetworkDevice
\brief Represents a wireless network device.
\inmodule nymea-networkmanager
\ingroup networkmanager
*/
/*! \enum WirelessNetworkDevice::Mode
\value ModeUnknown
\value ModeAdhoc
\value ModeInfrastructure
\value ModeAccessPoint
*/
/*! \fn void WirelessNetworkDevice::bitRateChanged(int bitRate);
This signal will be emitted when the \a bitRate of this \l{WirelessNetworkDevice} has changed.
*/
/*! \fn void WirelessNetworkDevice::modeChanged(Mode mode);
This signal will be emitted when the current \a mode of this \l{WirelessNetworkDevice} has changed.
\sa WirelessNetworkDevice::Mode
*/
#include "networkmanagerutils.h"
#include "wirelessnetworkdevice.h"
#include <QUuid>
#include <QDebug>
#include <QMetaEnum>
/*! Constructs a new \l{WirelessNetworkDevice} with the given dbus \a objectPath and \a parent. */
WirelessNetworkDevice::WirelessNetworkDevice(const QDBusObjectPath &objectPath, QObject *parent) :
NetworkDevice(objectPath, parent),
m_activeAccessPoint(nullptr)
{
QDBusConnection systemBus = QDBusConnection::systemBus();
if (!systemBus.isConnected()) {
qCWarning(dcNetworkManager()) << "WirelessNetworkDevice: System DBus not connected";
return;
}
m_wirelessInterface = new QDBusInterface(NetworkManagerUtils::networkManagerServiceString(), this->objectPath().path(), NetworkManagerUtils::wirelessInterfaceString(), systemBus, this);
if (!m_wirelessInterface->isValid()) {
qCWarning(dcNetworkManager()) << "WirelessNetworkDevice: Invalid wireless dbus interface";
return;
}
QDBusConnection::systemBus().connect(NetworkManagerUtils::networkManagerServiceString(), this->objectPath().path(), NetworkManagerUtils::wirelessInterfaceString(), "AccessPointAdded", this, SLOT(accessPointAdded(QDBusObjectPath)));
QDBusConnection::systemBus().connect(NetworkManagerUtils::networkManagerServiceString(), this->objectPath().path(), NetworkManagerUtils::wirelessInterfaceString(), "AccessPointRemoved", this, SLOT(accessPointRemoved(QDBusObjectPath)));
// org.freedesktop.NetworkManager.Device.Wireless.PropertiesChanged(QVariantMap) is used in older versions of NetworkManager instead of the standard D-Bus properties changed signal
QDBusConnection::systemBus().connect(NetworkManagerUtils::networkManagerServiceString(), this->objectPath().path(), NetworkManagerUtils::wirelessInterfaceString(), "PropertiesChanged", this, SLOT(processProperties(QVariantMap)));
// Newer versions of NetworkManager dropped the other and switched to the D-Bus standard PropertiesChanged
QDBusConnection::systemBus().connect(NetworkManagerUtils::networkManagerServiceString(), this->objectPath().path(), "org.freedesktop.DBus.Properties", "PropertiesChanged", this, SLOT(onPropertiesChanged(QString, QVariantMap, QStringList)));
readAccessPoints();
m_macAddress = m_wirelessInterface->property("HwAddress").toString();
m_wirelessCapabilities = static_cast<WirelessCapabilities>(m_wirelessInterface->property("WirelessCapabilities").toUInt());
m_wirelessMode = static_cast<WirelessMode>(m_wirelessInterface->property("Mode").toUInt());
m_bitRate = m_wirelessInterface->property("Bitrate").toInt() / 1000;
setActiveAccessPoint(qdbus_cast<QDBusObjectPath>(m_wirelessInterface->property("ActiveAccessPoint")));
}
/*! Returns the mac address of this \l{WirelessNetworkDevice}. */
QString WirelessNetworkDevice::macAddress() const
{
return m_macAddress;
}
/*! Returns the bit rate [Mb/s] of this \l{WirelessNetworkDevice}. */
int WirelessNetworkDevice::bitRate() const
{
return m_bitRate;
}
WirelessNetworkDevice::WirelessCapabilities WirelessNetworkDevice::wirelessCapabilities() const
{
return m_wirelessCapabilities;
}
WirelessNetworkDevice::WirelessMode WirelessNetworkDevice::wirelessMode() const
{
return m_wirelessMode;
}
/*! Returns the current active \l{WirelessAccessPoint} of this \l{WirelessNetworkDevice}. */
WirelessAccessPoint *WirelessNetworkDevice::activeAccessPoint()
{
return m_activeAccessPoint;
}
/*! Perform a wireless network scan on this \l{WirelessNetworkDevice}. */
void WirelessNetworkDevice::scanWirelessNetworks()
{
qCDebug(dcNetworkManager()) << "Request scan" << this;
QDBusMessage query = m_wirelessInterface->call("RequestScan", QVariantMap());
if (query.type() != QDBusMessage::ReplyMessage) {
qCWarning(dcNetworkManager()) << "Scan error:" << query.errorName() << query.errorMessage();
return;
}
}
/*! Returns the list of all \l{WirelessAccessPoint}{WirelessAccessPoints} of this \l{WirelessNetworkDevice}. */
QList<WirelessAccessPoint *> WirelessNetworkDevice::accessPoints()
{
return m_accessPointsTable.values();
}
/*! Returns the \l{WirelessAccessPoint} with the given \a ssid. If the \l{WirelessAccessPoint} could not be found, return nullptr. */
WirelessAccessPoint *WirelessNetworkDevice::getAccessPoint(const QString &ssid)
{
foreach (WirelessAccessPoint *accessPoint, m_accessPointsTable.values()) {
if (accessPoint->ssid() == ssid)
return accessPoint;
}
return nullptr;
}
/*! Returns the \l{WirelessAccessPoint} with the given \a objectPath. If the \l{WirelessAccessPoint} could not be found, return nullptr. */
WirelessAccessPoint *WirelessNetworkDevice::getAccessPoint(const QDBusObjectPath &objectPath)
{
return m_accessPointsTable.value(objectPath);
}
void WirelessNetworkDevice::readAccessPoints()
{
QDBusMessage query = m_wirelessInterface->call("GetAccessPoints");
if(query.type() != QDBusMessage::ReplyMessage) {
qCWarning(dcNetworkManager()) << query.errorName() << query.errorMessage();
return;
}
if (query.arguments().isEmpty())
return;
const QDBusArgument &argument = query.arguments().at(0).value<QDBusArgument>();
argument.beginArray();
while (!argument.atEnd()) {
QDBusObjectPath accessPointObjectPath = qdbus_cast<QDBusObjectPath>(argument);
accessPointAdded(accessPointObjectPath);
}
argument.endArray();
}
void WirelessNetworkDevice::setActiveAccessPoint(const QDBusObjectPath &activeAccessPointObjectPath)
{
if (m_activeAccessPointObjectPath != activeAccessPointObjectPath) {
m_activeAccessPointObjectPath = activeAccessPointObjectPath;
if (m_accessPointsTable.contains(m_activeAccessPointObjectPath)) {
if (m_activeAccessPoint)
disconnect(m_activeAccessPoint, &WirelessAccessPoint::signalStrengthChanged, this, &WirelessNetworkDevice::deviceChanged);
// Set new access point object
m_activeAccessPoint = m_accessPointsTable.value(activeAccessPointObjectPath);
// Update the device when the signalstrength changed
connect(m_activeAccessPoint, &WirelessAccessPoint::signalStrengthChanged, this, &WirelessNetworkDevice::deviceChanged);
} else {
m_activeAccessPoint = nullptr;
}
emit deviceChanged();
}
}
void WirelessNetworkDevice::accessPointAdded(const QDBusObjectPath &objectPath)
{
QDBusInterface accessPointInterface(NetworkManagerUtils::networkManagerServiceString(), objectPath.path(), NetworkManagerUtils::accessPointInterfaceString(), QDBusConnection::systemBus());
if (!accessPointInterface.isValid()) {
qCWarning(dcNetworkManager()) << this << "Invalid access point dbus interface";
return;
}
if (m_accessPointsTable.keys().contains(objectPath)) {
qCWarning(dcNetworkManager()) << this << "Access point already added" << objectPath.path();
return;
}
WirelessAccessPoint *accessPoint = new WirelessAccessPoint(objectPath, this);
qCDebug(dcNetworkManager()) << interface() << "[+]" << accessPoint;
m_accessPointsTable.insert(objectPath, accessPoint);
}
void WirelessNetworkDevice::accessPointRemoved(const QDBusObjectPath &objectPath)
{
if (!m_accessPointsTable.keys().contains(objectPath))
return;
WirelessAccessPoint *accessPoint = m_accessPointsTable.take(objectPath);
if (accessPoint == m_activeAccessPoint)
m_activeAccessPoint = nullptr;
qCDebug(dcNetworkManager()) << interface() << "[-]" << accessPoint;
accessPoint->deleteLater();
}
void WirelessNetworkDevice::processProperties(const QVariantMap &properties)
{
//qCDebug(dcNetworkManager()) << "WirelessNetworkDevice: Property changed" << properties;
if (properties.contains("Bitrate")) {
m_bitRate = properties.value("Bitrate").toInt() / 1000;
emit bitRateChanged(m_bitRate);
}
if (properties.contains("Mode")) {
m_wirelessMode = static_cast<WirelessMode>(m_wirelessInterface->property("Mode").toUInt());
emit wirelessModeChanged(m_wirelessMode);
}
if (properties.contains("WirelessCapabilities")) {
m_wirelessCapabilities = static_cast<WirelessCapabilities>(m_wirelessInterface->property("WirelessCapabilities").toUInt());
emit wirelessCapabilitiesChanged(m_wirelessCapabilities);
}
// Note: available since 1.12 (-1 means never scanned)
if (properties.contains("LastScan")) {
m_lastScan = m_wirelessInterface->property("LastScan").toInt();
emit lastScanChanged(m_lastScan);
}
if (properties.contains("ActiveAccessPoint")) {
setActiveAccessPoint(qdbus_cast<QDBusObjectPath>(properties.value("ActiveAccessPoint")));
}
emit deviceChanged();
}
void WirelessNetworkDevice::onPropertiesChanged(const QString &interface, const QVariantMap &changedProperties, const QStringList &invalidatedProperties)
{
Q_UNUSED(interface)
Q_UNUSED(invalidatedProperties)
//qCDebug(dcNetworkManager()) << "WirelessNetworkDevice: Properties changed" << interface << changedProperties << invalidatedProperties;
processProperties(changedProperties);
}
/*! Writes the given \a device to the given to \a debug. \sa WirelessNetworkDevice, */
QDebug operator<<(QDebug debug, WirelessNetworkDevice *device)
{
debug.nospace() << "WirelessNetworkDevice(" << device->interface() << ", ";
debug.nospace() << device->macAddress() << ", ";
debug.nospace() << device->wirelessCapabilities() << ", ";
debug.nospace() << device->wirelessMode() << ", ";
debug.nospace() << device->bitRate() << " [Mb/s], ";
debug.nospace() << device->deviceStateString() << ") ";
return debug.space();
}