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diff --git a/examples/dbus/complexpingpong/complexping.cpp b/examples/dbus/complexpingpong/complexping.cpp
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+++ b/examples/dbus/complexpingpong/complexping.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <stdio.h>
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QFile>
+#include <QtCore/QDebug>
+#include <QtCore/QProcess>
+#include <QtDBus/QtDBus>
+
+#include "ping-common.h"
+#include "complexping.h"
+
+void Ping::start(const QString &name, const QString &oldValue, const QString &newValue)
+{
+    Q_UNUSED(oldValue);
+
+    if (name != SERVICE_NAME || newValue.isEmpty())
+        return;
+
+    // open stdin for reading
+    qstdin.open(stdin, QIODevice::ReadOnly);
+
+    // find our remote
+    iface = new QDBusInterface(SERVICE_NAME, "/", "com.trolltech.QtDBus.ComplexPong.Pong",
+                               QDBusConnection::sessionBus(), this);
+    if (!iface->isValid()) {
+        fprintf(stderr, "%s\n",
+                qPrintable(QDBusConnection::sessionBus().lastError().message()));
+        QCoreApplication::instance()->quit();
+    }
+
+    connect(iface, SIGNAL(aboutToQuit()), QCoreApplication::instance(), SLOT(quit()));
+
+    while (true) {
+        printf("Ask your question: ");
+
+        QString line = QString::fromLocal8Bit(qstdin.readLine()).trimmed();
+        if (line.isEmpty()) {
+            iface->call("quit");
+            return;
+        } else if (line == "value") {
+            QVariant reply = iface->property("value");
+            if (!reply.isNull())
+                printf("value = %s\n", qPrintable(reply.toString()));
+        } else if (line.startsWith("value=")) {
+            iface->setProperty("value", line.mid(6));            
+        } else {
+            QDBusReply<QDBusVariant> reply = iface->call("query", line);
+            if (reply.isValid())
+                printf("Reply was: %s\n", qPrintable(reply.value().variant().toString()));
+        }
+
+        if (iface->lastError().isValid())
+            fprintf(stderr, "Call failed: %s\n", qPrintable(iface->lastError().message()));
+    }
+}    
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+
+    if (!QDBusConnection::sessionBus().isConnected()) {
+        fprintf(stderr, "Cannot connect to the D-Bus session bus.\n"
+                "To start it, run:\n"
+                "\teval `dbus-launch --auto-syntax`\n");
+        return 1;
+    }
+
+    Ping ping;
+    ping.connect(QDBusConnection::sessionBus().interface(),
+                 SIGNAL(serviceOwnerChanged(QString,QString,QString)),
+                 SLOT(start(QString,QString,QString)));
+
+    QProcess pong;
+    pong.start("./complexpong");
+
+    app.exec();
+}