From 3fa18bf8816ccbbdf43eed2759c9a223cec039e8 Mon Sep 17 00:00:00 2001 From: Albert Astals Cid Date: Tue, 16 Aug 2016 11:42:42 +0200 Subject: Make sure connection is not null before using it connectionFromId can return null if the id isn't found. This causes crashes like http://paste.ubuntu.com/23061009/ Change-Id: Ib72412f61dc7661455394679b3e90662de505920 Reviewed-by: Lorn Potter --- src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src/plugins/bearer') diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp index 42037ffb9a..13b64a556c 100644 --- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp +++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp @@ -218,6 +218,10 @@ void QNetworkManagerEngine::disconnectFromId(const QString &id) QMutexLocker locker(&mutex); QNetworkManagerSettingsConnection *connection = connectionFromId(id); + + if (!connection) + return; + QNmSettingsMap map = connection->getSettings(); bool connectionAutoconnect = map.value("connection").value("autoconnect",true).toBool(); //if not present is true !! if (connectionAutoconnect) { //autoconnect connections will simply be reconnected by nm @@ -563,7 +567,7 @@ bool QNetworkManagerEngine::isConnectionActive(const QString &settingsPath) } QNetworkManagerSettingsConnection *settingsConnection = connectionFromId(settingsPath); - if (settingsConnection->getType() == DEVICE_TYPE_MODEM) { + if (settingsConnection && settingsConnection->getType() == DEVICE_TYPE_MODEM) { return isActiveContext(settingsConnection->path()); } -- cgit v1.2.3 From 2aea77dbcb8a3da40cf040bef63977514708056b Mon Sep 17 00:00:00 2001 From: Lorn Potter Date: Mon, 18 Jul 2016 19:19:25 +1000 Subject: Fix UI freeze when using network-manager bearer plugin This reduces the amount of dbus signals generated when many wifi AP's are around Task-number: QTBUG-54814 Change-Id: I4bdd5f0bfe173d6db63f3d975a98583c6c0fc5db Reviewed-by: Richard J. Moore --- .../networkmanager/qnetworkmanagerengine.cpp | 194 +-------------------- .../bearer/networkmanager/qnetworkmanagerengine.h | 7 - .../networkmanager/qnetworkmanagerservice.cpp | 142 ++++++--------- .../bearer/networkmanager/qnetworkmanagerservice.h | 11 -- 4 files changed, 60 insertions(+), 294 deletions(-) (limited to 'src/plugins/bearer') diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp index 13b64a556c..1b1034817e 100644 --- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp +++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp @@ -123,6 +123,9 @@ void QNetworkManagerEngine::setupConfigurations() // Get active connections. foreach (const QDBusObjectPath &acPath, managerInterface->activeConnections()) { + if (activeConnectionsList.contains(acPath.path())) + continue; + QNetworkManagerConnectionActive *activeConnection = new QNetworkManagerConnectionActive(acPath.path(),this); activeConnectionsList.insert(acPath.path(), activeConnection); @@ -135,14 +138,6 @@ void QNetworkManagerEngine::setupConfigurations() connectionInterfaces.insert(activeConnection->connection().path(),device.networkInterface()); } } - - // Get current list of access points. - foreach (const QDBusObjectPath &devicePath, managerInterface->getDevices()) { - locker.unlock(); - deviceAdded(devicePath); //add all accesspoints - locker.relock(); - } - // Get connections. foreach (const QDBusObjectPath &settingsPath, systemSettings->listConnections()) { locker.unlock(); @@ -251,11 +246,6 @@ void QNetworkManagerEngine::requestUpdate() QMetaObject::invokeMethod(this, "updateCompleted", Qt::QueuedConnection); } -void QNetworkManagerEngine::scanFinished() -{ - QMetaObject::invokeMethod(this, "updateCompleted", Qt::QueuedConnection); -} - void QNetworkManagerEngine::interfacePropertiesChanged(const QMap &properties) { QMutexLocker locker(&mutex); @@ -397,57 +387,6 @@ void QNetworkManagerEngine::deviceConnectionsChanged(const QStringList &connecti } } -void QNetworkManagerEngine::deviceAdded(const QDBusObjectPath &path) -{ - QNetworkManagerInterfaceDevice *iDevice; - iDevice = new QNetworkManagerInterfaceDevice(path.path(),this); - connect(iDevice,SIGNAL(connectionsChanged(QStringList)), - this,SLOT(deviceConnectionsChanged(QStringList))); - - interfaceDevices.insert(path.path(),iDevice); - if (iDevice->deviceType() == DEVICE_TYPE_WIFI) { - QNetworkManagerInterfaceDeviceWireless *wirelessDevice = - new QNetworkManagerInterfaceDeviceWireless(iDevice->path(),this); - - connect(wirelessDevice, SIGNAL(accessPointAdded(QString)), - this, SLOT(newAccessPoint(QString))); - connect(wirelessDevice, SIGNAL(accessPointRemoved(QString)), - this, SLOT(removeAccessPoint(QString))); - connect(wirelessDevice,SIGNAL(scanDone()),this,SLOT(scanFinished())); - wirelessDevice->setConnections(); - - wirelessDevices.insert(path.path(), wirelessDevice); - } - - if (iDevice->deviceType() == DEVICE_TYPE_ETHERNET) { - QNetworkManagerInterfaceDeviceWired *wiredDevice = - new QNetworkManagerInterfaceDeviceWired(iDevice->path(),this); - connect(wiredDevice,SIGNAL(carrierChanged(bool)),this,SLOT(wiredCarrierChanged(bool))); - wiredDevices.insert(iDevice->path(), wiredDevice); - } -} - -void QNetworkManagerEngine::deviceRemoved(const QDBusObjectPath &path) -{ - QMutexLocker locker(&mutex); - - if (interfaceDevices.contains(path.path())) { - locker.unlock(); - delete interfaceDevices.take(path.path()); - locker.relock(); - } - if (wirelessDevices.contains(path.path())) { - locker.unlock(); - delete wirelessDevices.take(path.path()); - locker.relock(); - } - if (wiredDevices.contains(path.path())) { - locker.unlock(); - delete wiredDevices.take(path.path()); - locker.relock(); - } -} - void QNetworkManagerEngine::wiredCarrierChanged(bool carrier) { QNetworkManagerInterfaceDeviceWired *deviceWired = qobject_cast(sender()); @@ -538,7 +477,7 @@ void QNetworkManagerEngine::newConnection(const QDBusObjectPath &path, if (i.value()->deviceType() == deviceType) { QNetworkManagerInterfaceDeviceWired *wiredDevice = wiredDevices.value(i.value()->path()); - if (wiredDevice->carrier()) { + if (wiredDevice && wiredDevice->carrier()) { cpPriv->state |= QNetworkConfiguration::Discovered; } } @@ -596,15 +535,10 @@ void QNetworkManagerEngine::removeConnection(const QString &path) emit configurationRemoved(ptr); locker.relock(); } + // add base AP back into configurations - QMapIterator i(configuredAccessPoints); - while (i.hasNext()) { - i.next(); - if (i.value() == path) { - configuredAccessPoints.remove(i.key()); - newAccessPoint(i.key()); - } - } + + // removed along with all AP props code... } void QNetworkManagerEngine::updateConnection() @@ -678,114 +612,6 @@ void QNetworkManagerEngine::activationFinished(QDBusPendingCallWatcher *watcher) } } -void QNetworkManagerEngine::newAccessPoint(const QString &path) -{ - QMutexLocker locker(&mutex); - QNetworkManagerInterfaceAccessPoint *accessPoint = - new QNetworkManagerInterfaceAccessPoint(path,this); - - bool okToAdd = true; - for (int i = 0; i < accessPoints.count(); ++i) { - if (accessPoints.at(i)->path() == path) { - okToAdd = false; - } - } - if (okToAdd) { - accessPoints.append(accessPoint); - } - // Check if configuration exists for connection. - if (!accessPoint->ssid().isEmpty()) { - - for (int i = 0; i < connections.count(); ++i) { - QNetworkManagerSettingsConnection *connection = connections.at(i); - const QString settingsPath = connection->path(); - - if (accessPoint->ssid() == connection->getSsid()) { - if (!configuredAccessPoints.contains(path)) { - configuredAccessPoints.insert(path,settingsPath); - } - - QNetworkConfigurationPrivatePointer ptr = - accessPointConfigurations.value(settingsPath); - ptr->mutex.lock(); - QNetworkConfiguration::StateFlags flag = QNetworkConfiguration::Defined; - ptr->state = (flag | QNetworkConfiguration::Discovered); - - if (isConnectionActive(settingsPath)) - ptr->state = (flag | QNetworkConfiguration::Active); - ptr->mutex.unlock(); - - locker.unlock(); - emit configurationChanged(ptr); - return; - } - } - } - - // New access point. - QNetworkConfigurationPrivatePointer ptr(new QNetworkConfigurationPrivate); - - ptr->name = accessPoint->ssid(); - ptr->isValid = true; - ptr->id = path; - ptr->type = QNetworkConfiguration::InternetAccessPoint; - ptr->purpose = QNetworkConfiguration::PublicPurpose; - ptr->state = QNetworkConfiguration::Undefined; - ptr->bearerType = QNetworkConfiguration::BearerWLAN; - - accessPointConfigurations.insert(ptr->id, ptr); - - locker.unlock(); - emit configurationAdded(ptr); -} - -void QNetworkManagerEngine::removeAccessPoint(const QString &path) -{ - QMutexLocker locker(&mutex); - for (int i = 0; i < accessPoints.count(); ++i) { - QNetworkManagerInterfaceAccessPoint *accessPoint = accessPoints.at(i); - if (accessPoint->path() == path) { - accessPoints.removeOne(accessPoint); - - if (configuredAccessPoints.contains(accessPoint->path())) { - // find connection and change state to Defined - configuredAccessPoints.remove(accessPoint->path()); - - for (int i = 0; i < connections.count(); ++i) { - QNetworkManagerSettingsConnection *connection = connections.at(i); - - if (accessPoint->ssid() == connection->getSsid()) {//might not have bssid yet - const QString settingsPath = connection->path(); - const QString connectionId = settingsPath; - - QNetworkConfigurationPrivatePointer ptr = - accessPointConfigurations.value(connectionId); - ptr->mutex.lock(); - ptr->state = QNetworkConfiguration::Defined; - ptr->mutex.unlock(); - - locker.unlock(); - emit configurationChanged(ptr); - locker.relock(); - break; - } - } - } else { - QNetworkConfigurationPrivatePointer ptr = - accessPointConfigurations.take(path); - - if (ptr) { - locker.unlock(); - emit configurationRemoved(ptr); - locker.relock(); - } - } - delete accessPoint; - break; - } - } -} - QNetworkConfigurationPrivate *QNetworkManagerEngine::parseConnection(const QString &settingsPath, const QNmSettingsMap &map) { @@ -808,7 +634,7 @@ QNetworkConfigurationPrivate *QNetworkManagerEngine::parseConnection(const QStri QNetworkManagerInterfaceDevice device(devicePath.path(),this); if (device.deviceType() == DEVICE_TYPE_ETHERNET) { QNetworkManagerInterfaceDeviceWired *wiredDevice = wiredDevices.value(device.path()); - if (wiredDevice->carrier()) { + if (wiredDevice && wiredDevice->carrier()) { cpPriv->state |= QNetworkConfiguration::Discovered; break; } @@ -1078,10 +904,6 @@ void QNetworkManagerEngine::nmRegistered(const QString &) managerInterface = new QNetworkManagerInterface(this); systemSettings = new QNetworkManagerSettings(NM_DBUS_SERVICE, this); - connect(managerInterface, SIGNAL(deviceAdded(QDBusObjectPath)), - this, SLOT(deviceAdded(QDBusObjectPath))); - connect(managerInterface, SIGNAL(deviceRemoved(QDBusObjectPath)), - this, SLOT(deviceRemoved(QDBusObjectPath))); connect(managerInterface, SIGNAL(activationFinished(QDBusPendingCallWatcher*)), this, SLOT(activationFinished(QDBusPendingCallWatcher*))); connect(managerInterface, SIGNAL(propertiesChanged(QMap)), diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h index 1f578890dc..b859318a5b 100644 --- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h +++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h @@ -93,19 +93,12 @@ private Q_SLOTS: void interfacePropertiesChanged(const QMap &properties); void activeConnectionPropertiesChanged(const QMap &properties); - void deviceAdded(const QDBusObjectPath &path); - void deviceRemoved(const QDBusObjectPath &path); - void newConnection(const QDBusObjectPath &path, QNetworkManagerSettings *settings = 0); void removeConnection(const QString &path); void updateConnection(); void activationFinished(QDBusPendingCallWatcher *watcher); void deviceConnectionsChanged(const QStringList &activeConnectionsList); - void newAccessPoint(const QString &path); - void removeAccessPoint(const QString &path); - void scanFinished(); - void wiredCarrierChanged(bool); void nmRegistered(const QString &serviceName = QString()); diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp b/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp index d550887ba6..7506b768f2 100644 --- a/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp +++ b/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp @@ -95,6 +95,21 @@ QNetworkManagerInterface::QNetworkManagerInterface(QObject *parent) QNetworkManagerInterface::~QNetworkManagerInterface() { + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + QLatin1String(NM_DBUS_PATH), + QLatin1String(NM_DBUS_INTERFACE), + QLatin1String("PropertiesChanged"), + this,SLOT(propertiesSwap(QMap))); + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + QLatin1String(NM_DBUS_PATH), + QLatin1String(NM_DBUS_INTERFACE), + QLatin1String("DeviceAdded"), + this,SIGNAL(deviceAdded(QDBusObjectPath))); + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + QLatin1String(NM_DBUS_PATH), + QLatin1String(NM_DBUS_INTERFACE), + QLatin1String("DeviceRemoved"), + this,SIGNAL(deviceRemoved(QDBusObjectPath))); } bool QNetworkManagerInterface::setConnections() @@ -235,28 +250,6 @@ QNetworkManagerInterfaceAccessPoint::QNetworkManagerInterfaceAccessPoint(const Q NM_DBUS_INTERFACE_ACCESS_POINT, QDBusConnection::systemBus(),parent) { - if (!isValid()) { - return; - } - PropertiesDBusInterface *accessPointPropertiesInterface = new PropertiesDBusInterface(QLatin1String(NM_DBUS_SERVICE), - dbusPathName, - DBUS_PROPERTIES_INTERFACE, - QDBusConnection::systemBus()); - - QList argumentList; - argumentList << QLatin1String(NM_DBUS_INTERFACE_ACCESS_POINT); - QDBusPendingReply propsReply - = accessPointPropertiesInterface->callWithArgumentList(QDBus::Block,QLatin1String("GetAll"), - argumentList); - if (!propsReply.isError()) { - propertyMap = propsReply.value(); - } - - QDBusConnection::systemBus().connect(QLatin1String(NM_DBUS_SERVICE), - dbusPathName, - QLatin1String(NM_DBUS_INTERFACE_ACCESS_POINT), - QLatin1String("PropertiesChanged"), - this,SLOT(propertiesSwap(QMap))); } QNetworkManagerInterfaceAccessPoint::~QNetworkManagerInterfaceAccessPoint() @@ -369,6 +362,11 @@ QNetworkManagerInterfaceDevice::QNetworkManagerInterfaceDevice(const QString &de QNetworkManagerInterfaceDevice::~QNetworkManagerInterfaceDevice() { + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + path(), + QLatin1String(NM_DBUS_INTERFACE_DEVICE), + QLatin1String("PropertiesChanged"), + this,SLOT(propertiesSwap(QMap))); } QString QNetworkManagerInterfaceDevice::udi() const @@ -468,6 +466,11 @@ QNetworkManagerInterfaceDeviceWired::QNetworkManagerInterfaceDeviceWired(const Q QNetworkManagerInterfaceDeviceWired::~QNetworkManagerInterfaceDeviceWired() { + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + path(), + QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRED), + QLatin1String("PropertiesChanged"), + this,SLOT(propertiesSwap(QMap))); } QString QNetworkManagerInterfaceDeviceWired::hwAddress() const @@ -557,77 +560,20 @@ QNetworkManagerInterfaceDeviceWireless::QNetworkManagerInterfaceDeviceWireless(c QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRELESS), QLatin1String("PropertiesChanged"), this,SLOT(propertiesSwap(QMap))); - - QDBusPendingReply > reply - = asyncCall(QLatin1String("GetAccessPoints")); - - QDBusPendingCallWatcher *callWatcher = new QDBusPendingCallWatcher(reply); - connect(callWatcher, SIGNAL(finished(QDBusPendingCallWatcher*)), - this, SLOT(accessPointsFinished(QDBusPendingCallWatcher*))); } QNetworkManagerInterfaceDeviceWireless::~QNetworkManagerInterfaceDeviceWireless() { -} - -void QNetworkManagerInterfaceDeviceWireless::slotAccessPointAdded(QDBusObjectPath path) -{ - if (path.path().length() > 2) - Q_EMIT accessPointAdded(path.path()); -} - -void QNetworkManagerInterfaceDeviceWireless::slotAccessPointRemoved(QDBusObjectPath path) -{ - if (path.path().length() > 2) - Q_EMIT accessPointRemoved(path.path()); + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + path(), + QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRELESS), + QLatin1String("PropertiesChanged"), + this,SLOT(propertiesSwap(QMap))); } bool QNetworkManagerInterfaceDeviceWireless::setConnections() { - if (!isValid()) - return false; - - QDBusConnection dbusConnection = QDBusConnection::systemBus(); - bool allOk = true; - - if (!dbusConnection.connect(QLatin1String(NM_DBUS_SERVICE), - interfacePath, - QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRELESS), - QLatin1String("AccessPointAdded"), - this, SLOT(slotAccessPointAdded(QDBusObjectPath)))) { - allOk = false; - } - - - if (!dbusConnection.connect(QLatin1String(NM_DBUS_SERVICE), - interfacePath, - QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRELESS), - QLatin1String("AccessPointRemoved"), - this, SLOT(slotAccessPointRemoved(QDBusObjectPath)))) { - allOk = false; - } - - if (!dbusConnection.connect(QLatin1String(NM_DBUS_SERVICE), - interfacePath, - QLatin1String(NM_DBUS_INTERFACE_DEVICE_WIRELESS), - QLatin1String("ScanDone"), - this, SLOT(scanIsDone()))) { - allOk = false; - } - return allOk; -} - -void QNetworkManagerInterfaceDeviceWireless::accessPointsFinished(QDBusPendingCallWatcher *watcher) -{ - QDBusPendingReply > reply(*watcher); - watcher->deleteLater(); - if (!reply.isError()) { - accessPointsList = reply.value(); - } - - for (int i = 0; i < accessPointsList.size(); i++) { - Q_EMIT accessPointAdded(accessPointsList.at(i).path()); - } + return true; } QList QNetworkManagerInterfaceDeviceWireless::getAccessPoints() @@ -676,11 +622,6 @@ quint32 QNetworkManagerInterfaceDeviceWireless::wirelessCapabilities() const return 0; } -void QNetworkManagerInterfaceDeviceWireless::scanIsDone() -{ - Q_EMIT scanDone(); -} - void QNetworkManagerInterfaceDeviceWireless::requestScan() { asyncCall(QLatin1String("RequestScan")); @@ -729,6 +670,12 @@ QNetworkManagerInterfaceDeviceModem::QNetworkManagerInterfaceDeviceModem(const Q QNetworkManagerInterfaceDeviceModem::~QNetworkManagerInterfaceDeviceModem() { + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + path(), + QLatin1String(NM_DBUS_PATH_SETTINGS), + QLatin1String(NM_DBUS_IFACE_SETTINGS), + QLatin1String("NewConnection"), + this, SIGNAL(newConnection(QDBusObjectPath))); } QNetworkManagerInterfaceDeviceModem::ModemCapabilities QNetworkManagerInterfaceDeviceModem::modemCapabilities() const @@ -833,6 +780,16 @@ QNetworkManagerSettingsConnection::QNetworkManagerSettingsConnection(const QStri QNetworkManagerSettingsConnection::~QNetworkManagerSettingsConnection() { + QDBusConnection::systemBus().disconnect(service(), + path(), + QLatin1String(NM_DBUS_IFACE_SETTINGS_CONNECTION), + QLatin1String("Updated"), + this, SIGNAL(updated())); + QDBusConnection::systemBus().disconnect(service(), + path(), + QLatin1String(NM_DBUS_IFACE_SETTINGS_CONNECTION), + QLatin1String("Removed"), + this, SIGNAL(slotSettingsRemoved())); } bool QNetworkManagerSettingsConnection::setConnections() @@ -989,6 +946,11 @@ QNetworkManagerConnectionActive::QNetworkManagerConnectionActive(const QString & QNetworkManagerConnectionActive::~QNetworkManagerConnectionActive() { + QDBusConnection::systemBus().disconnect(QLatin1String(NM_DBUS_SERVICE), + path(), + QLatin1String(NM_DBUS_INTERFACE_ACTIVE_CONNECTION), + QLatin1String("PropertiesChanged"), + this,SLOT(propertiesSwap(QMap))); } QDBusObjectPath QNetworkManagerConnectionActive::connection() const diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerservice.h b/src/plugins/bearer/networkmanager/qnetworkmanagerservice.h index 7956705789..4b810caf4a 100644 --- a/src/plugins/bearer/networkmanager/qnetworkmanagerservice.h +++ b/src/plugins/bearer/networkmanager/qnetworkmanagerservice.h @@ -322,7 +322,6 @@ public: QObject *parent = 0); ~QNetworkManagerInterfaceDeviceWireless(); - QDBusObjectPath path() const; QList getAccessPoints(); QString hwAddress() const; @@ -335,21 +334,11 @@ public: void requestScan(); Q_SIGNALS: void propertiesChanged(QMap); - void accessPointAdded(const QString &); - void accessPointRemoved(const QString &); - void scanDone(); void propertiesReady(); - void accessPointsReady(); private Q_SLOTS: - void scanIsDone(); void propertiesSwap(QMap); - void slotAccessPointAdded(QDBusObjectPath); - void slotAccessPointRemoved(QDBusObjectPath); - - void accessPointsFinished(QDBusPendingCallWatcher *watcher); - private: QVariantMap propertyMap; QList accessPointsList; -- cgit v1.2.3