Move the KeepAliveObject class into its own source files.

Change-Id: Iaf8f397bdcaa4afb5432b826aa3fe238d54193c0
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/libs/installer/keepaliveobject.cpp b/src/libs/installer/keepaliveobject.cpp
new file mode 100644
index 000000000..b9e07f333
--- /dev/null
+++ b/src/libs/installer/keepaliveobject.cpp
@@ -0,0 +1,85 @@
+/**************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "keepaliveobject.h"
+#include "remoteclient.h"
+
+#include <QCoreApplication>
+#include <QElapsedTimer>
+#include <QHostAddress>
+#include <QTcpSocket>
+#include <QTimer>
+
+namespace QInstaller {
+
+KeepAliveObject::KeepAliveObject()
+    : m_timer(0)
+    , m_quit(false)
+{
+}
+
+void KeepAliveObject::start()
+{
+    m_timer = new QTimer(this);
+    connect(m_timer, SIGNAL(timeout()), this, SLOT(onTimeout()));
+    m_timer->start(5000);
+}
+
+void KeepAliveObject::finish()
+{
+    m_quit = true;
+}
+
+void KeepAliveObject::onTimeout()
+{
+    m_timer->stop();
+    {
+        // Try to connect to the privileged running server. If we succeed the server side
+        // watchdog gets restarted and the server keeps running for another 30 seconds.
+        QTcpSocket socket;
+        socket.connectToHost(RemoteClient::instance().address(), RemoteClient::instance().port());
+
+        QElapsedTimer stopWatch;
+        stopWatch.start();
+        while ((socket.state() == QAbstractSocket::ConnectingState)
+            && (stopWatch.elapsed() < 10000) && (!m_quit)) {
+            if ((stopWatch.elapsed() % 2500) == 0)
+                QCoreApplication::processEvents();
+        }
+    }
+    if (!m_quit)
+        m_timer->start(5000);
+}
+
+} // namespace QInstaller