Use a property cache to cut down on blocking calls

Refactor old code
Stop memory leaks
Properly support mobile data (ofono)

Change-Id: I7f23882ee0ee345a049a4a93ddd452b6d2e53710
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

1 files changed, 370 insertions, 0 deletions

diff --git a/src/plugins/bearer/linux_common/qofonoservice_linux.cpp b/src/plugins/bearer/linux_common/qofonoservice_linux.cpp
new file mode 100644
index 0000000000..e994ebf2ce
--- /dev/null
+++ b/src/plugins/bearer/linux_common/qofonoservice_linux.cpp
@@ -0,0 +1,370 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QObject>
+#include <QList>
+#include <QtDBus/QtDBus>
+#include <QtDBus/QDBusConnection>
+#include <QtDBus/QDBusError>
+#include <QtDBus/QDBusInterface>
+#include <QtDBus/QDBusMessage>
+#include <QtDBus/QDBusReply>
+#include <QtDBus/QDBusPendingCallWatcher>
+#include <QtDBus/QDBusObjectPath>
+#include <QtDBus/QDBusPendingCall>
+
+#include "qofonoservice_linux_p.h"
+
+#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_DBUS
+
+QDBusArgument &operator<<(QDBusArgument &argument, const ObjectPathProperties &item)
+{
+    argument.beginStructure();
+    argument << item.path << item.properties;
+    argument.endStructure();
+    return argument;
+}
+
+const QDBusArgument &operator>>(const QDBusArgument &argument, ObjectPathProperties &item)
+{
+    argument.beginStructure();
+    argument >> item.path >> item.properties;
+    argument.endStructure();
+    return argument;
+}
+
+QT_BEGIN_NAMESPACE
+
+QOfonoManagerInterface::QOfonoManagerInterface( QObject *parent)
+        : QDBusAbstractInterface(QStringLiteral(OFONO_SERVICE),
+                                 QStringLiteral(OFONO_MANAGER_PATH),
+                                 OFONO_MANAGER_INTERFACE,
+                                 QDBusConnection::systemBus(), parent)
+{
+    qDBusRegisterMetaType<ObjectPathProperties>();
+    qDBusRegisterMetaType<PathPropertiesList>();
+
+    QDBusConnection::systemBus().connect(QStringLiteral(OFONO_SERVICE),
+                           QStringLiteral(OFONO_MANAGER_PATH),
+                           QStringLiteral(OFONO_MANAGER_INTERFACE),
+                           QStringLiteral("ModemAdded"),
+                           this,SLOT(modemAdded(QDBusObjectPath, QVariantMap)));
+    QDBusConnection::systemBus().connect(QStringLiteral(OFONO_SERVICE),
+                           QStringLiteral(OFONO_MANAGER_PATH),
+                           QStringLiteral(OFONO_MANAGER_INTERFACE),
+                           QStringLiteral("ModemRemoved"),
+                           this,SLOT(modemRemoved(QDBusObjectPath)));
+}
+
+QOfonoManagerInterface::~QOfonoManagerInterface()
+{
+}
+
+QStringList QOfonoManagerInterface::getModems()
+{
+    if (modemList.isEmpty()) {
+        QList<QVariant> argumentList;
+        QDBusPendingReply<PathPropertiesList> reply = callWithArgumentList(QDBus::Block, QLatin1String("GetModems"), argumentList);
+        reply.waitForFinished();
+        if (!reply.isError()) {
+            foreach (ObjectPathProperties modem, reply.value()) {
+                modemList << modem.path.path();
+            }
+        }
+    }
+
+    return modemList;
+}
+
+QString QOfonoManagerInterface::currentModem()
+{
+    QStringList modems = getModems();
+    foreach (const QString &modem, modems) {
+        QOfonoModemInterface device(modem);
+        if (device.isPowered() && device.isOnline())
+        return modem;
+    }
+    return QString();
+}
+
+void QOfonoManagerInterface::modemAdded(const QDBusObjectPath &path, const QVariantMap &/*var*/)
+{
+    if (!modemList.contains(path.path())) {
+        modemList << path.path();
+        Q_EMIT modemChanged();
+    }
+}
+
+void QOfonoManagerInterface::modemRemoved(const QDBusObjectPath &path)
+{
+    if (modemList.contains(path.path())) {
+        modemList.removeOne(path.path());
+        Q_EMIT modemChanged();
+    }
+}
+
+
+QOfonoModemInterface::QOfonoModemInterface(const QString &dbusPathName, QObject *parent)
+    : QDBusAbstractInterface(QStringLiteral(OFONO_SERVICE),
+                             dbusPathName,
+                             OFONO_MODEM_INTERFACE,
+                             QDBusConnection::systemBus(), parent)
+{
+    QDBusConnection::systemBus().connect(QStringLiteral(OFONO_SERVICE),
+                                         path(),
+                                         OFONO_MODEM_INTERFACE,
+                                         QStringLiteral("PropertyChanged"),
+                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
+}
+
+QOfonoModemInterface::~QOfonoModemInterface()
+{
+}
+
+void QOfonoModemInterface::propertyChanged(const QString &name,const QDBusVariant &value)
+{
+    propertiesMap[name] = value.variant();
+}
+
+bool QOfonoModemInterface::isPowered()
+{
+    QVariant var = getProperty(QStringLiteral("Powered"));
+    return qdbus_cast<bool>(var);
+}
+
+bool QOfonoModemInterface::isOnline()
+{
+    QVariant var = getProperty(QStringLiteral("Online"));
+    return qdbus_cast<bool>(var);
+}
+
+QVariantMap QOfonoModemInterface::getProperties()
+{
+    if (propertiesMap.isEmpty()) {
+        QList<QVariant> argumentList;
+        QDBusPendingReply<QVariantMap> reply = callWithArgumentList(QDBus::Block, QLatin1String("GetProperties"), argumentList);
+        if (!reply.isError()) {
+            propertiesMap = reply.value();
+        }
+    }
+    return propertiesMap;
+}
+
+QVariant QOfonoModemInterface::getProperty(const QString &property)
+{
+    QVariant var;
+    QVariantMap map = getProperties();
+    if (map.contains(property))
+        var = map.value(property);
+    return var;
+}
+
+
+QOfonoNetworkRegistrationInterface::QOfonoNetworkRegistrationInterface(const QString &dbusPathName, QObject *parent)
+    : QDBusAbstractInterface(QStringLiteral(OFONO_SERVICE),
+                             dbusPathName,
+                             OFONO_NETWORK_REGISTRATION_INTERFACE,
+                             QDBusConnection::systemBus(), parent)
+{
+}
+
+QOfonoNetworkRegistrationInterface::~QOfonoNetworkRegistrationInterface()
+{
+}
+
+QString QOfonoNetworkRegistrationInterface::getTechnology()
+{
+    QVariant var = getProperty(QStringLiteral("Technology"));
+    return qdbus_cast<QString>(var);
+}
+
+QVariant QOfonoNetworkRegistrationInterface::getProperty(const QString &property)
+{
+    QVariant var;
+    QVariantMap map = getProperties();
+    if (map.contains(property))
+        var = map.value(property);
+    return var;
+}
+
+QVariantMap QOfonoNetworkRegistrationInterface::getProperties()
+{
+    if (propertiesMap.isEmpty()) {
+        QList<QVariant> argumentList;
+        QDBusPendingReply<QVariantMap> reply = callWithArgumentList(QDBus::Block, QLatin1String("GetProperties"), argumentList);
+        reply.waitForFinished();
+        if (!reply.isError()) {
+            propertiesMap = reply.value();
+        }
+    }
+    return propertiesMap;
+}
+
+QOfonoDataConnectionManagerInterface::QOfonoDataConnectionManagerInterface(const QString &dbusPathName, QObject *parent)
+    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
+                             dbusPathName,
+                             OFONO_DATA_CONNECTION_MANAGER_INTERFACE,
+                             QDBusConnection::systemBus(), parent)
+{
+    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
+                                         path(),
+                                         QLatin1String(OFONO_MODEM_INTERFACE),
+                                         QLatin1String("PropertyChanged"),
+                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
+}
+
+QOfonoDataConnectionManagerInterface::~QOfonoDataConnectionManagerInterface()
+{
+}
+
+QStringList QOfonoDataConnectionManagerInterface::contexts()
+{
+    if (contextList.isEmpty()) {
+        QDBusPendingReply<PathPropertiesList > reply = call(QLatin1String("GetContexts"));
+        reply.waitForFinished();
+        if (!reply.isError()) {
+            foreach (ObjectPathProperties context, reply.value()) {
+                contextList << context.path.path();
+            }
+        }
+    }
+    return contextList;
+}
+
+bool QOfonoDataConnectionManagerInterface::roamingAllowed()
+{
+    QVariant var = getProperty(QStringLiteral("RoamingAllowed"));
+    return qdbus_cast<bool>(var);
+}
+
+QString QOfonoDataConnectionManagerInterface::bearer()
+{
+    QVariant var = getProperty(QStringLiteral("Bearer"));
+    return qdbus_cast<QString>(var);
+}
+
+QVariant QOfonoDataConnectionManagerInterface::getProperty(const QString &property)
+{
+    QVariant var;
+    QVariantMap map = getProperties();
+    if (map.contains(property))
+        var = map.value(property);
+    return var;
+}
+
+QVariantMap QOfonoDataConnectionManagerInterface::getProperties()
+{
+    if (propertiesMap.isEmpty()) {
+        QList<QVariant> argumentList;
+        QDBusPendingReply<QVariantMap> reply = callWithArgumentList(QDBus::Block, QLatin1String("GetProperties"), argumentList);
+        if (!reply.isError()) {
+            propertiesMap = reply.value();
+        }
+    }
+    return propertiesMap;
+}
+
+void QOfonoDataConnectionManagerInterface::propertyChanged(const QString &name, const QDBusVariant &value)
+{
+    propertiesMap[name] = value.variant();
+    if (name == QLatin1String("RoamingAllowed"))
+        Q_EMIT roamingAllowedChanged(value.variant().toBool());
+}
+
+
+QOfonoConnectionContextInterface::QOfonoConnectionContextInterface(const QString &dbusPathName, QObject *parent)
+    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
+                             dbusPathName,
+                             OFONO_CONNECTION_CONTEXT_INTERFACE,
+                             QDBusConnection::systemBus(), parent)
+{
+    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
+                                         path(),
+                                         QLatin1String(OFONO_MODEM_INTERFACE),
+                                         QLatin1String("PropertyChanged"),
+                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
+}
+
+QOfonoConnectionContextInterface::~QOfonoConnectionContextInterface()
+{
+}
+
+QVariantMap QOfonoConnectionContextInterface::getProperties()
+{
+    if (propertiesMap.isEmpty()) {
+        QList<QVariant> argumentList;
+        QDBusPendingReply<QVariantMap> reply = callWithArgumentList(QDBus::Block, QLatin1String("GetProperties"), argumentList);
+        if (!reply.isError()) {
+            propertiesMap = reply.value();
+        }
+    }
+    return propertiesMap;
+}
+
+void QOfonoConnectionContextInterface::propertyChanged(const QString &name, const QDBusVariant &value)
+{
+    propertiesMap[name] = value.variant();
+}
+
+QVariant QOfonoConnectionContextInterface::getProperty(const QString &property)
+{
+    QVariant var;
+    QVariantMap map = getProperties();
+    if (map.contains(property))
+        var = map.value(property);
+    return var;
+}
+
+bool QOfonoConnectionContextInterface::active()
+{
+    QVariant var = getProperty(QStringLiteral("Active"));
+    return qdbus_cast<bool>(var);
+}
+
+QString QOfonoConnectionContextInterface::accessPointName()
+{
+    QVariant var = getProperty(QStringLiteral("AccessPointName"));
+    return qdbus_cast<QString>(var);
+}
+
+QString QOfonoConnectionContextInterface::name()
+{
+    QVariant var = getProperty(QStringLiteral("Name"));
+    return qdbus_cast<QString>(var);
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_DBUS
+#endif // QT_NO_BEARERMANAGEMENT