Introduce new classes for client-server communication.

Still based on what we had already, though more separated.
Change-Id: I4cce298003a4ffc2ebcec01fea1a07adfbfdf990
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Niels Weber <niels.weber@digia.com>

1 files changed, 105 insertions, 0 deletions

diff --git a/src/libs/installer/remoteobject.cpp b/src/libs/installer/remoteobject.cpp
new file mode 100644
index 000000000..2c1aa275a
--- /dev/null
+++ b/src/libs/installer/remoteobject.cpp
@@ -0,0 +1,105 @@
+/**************************************************************************
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+**************************************************************************/
+
+#include "remoteobject.h"
+
+#include "protocol.h"
+#include "remoteclient.h"
+
+namespace QInstaller {
+
+RemoteObject::RemoteObject(const QString &wrappedType, QObject *parent)
+    : QObject(parent)
+    , m_socket(0)
+    , dummy(0)
+    , m_type(wrappedType)
+{
+    Q_ASSERT_X(!m_type.isEmpty(), Q_FUNC_INFO, "The wrapped Qt type needs to be passed as "
+        "argument and cannot be empty.");
+}
+
+RemoteObject::~RemoteObject()
+{
+    if (m_socket) {
+        m_stream << QString::fromLatin1(Protocol::Destroy) << m_type;
+        m_socket->waitForBytesWritten(-1);
+    }
+}
+
+bool RemoteObject::connectToServer(const QVariantList &arguments)
+{
+    if (!RemoteClient::instance().isActive())
+        return false;
+
+    if (m_socket && (m_socket->state() == QAbstractSocket::ConnectedState))
+        return true;
+
+    if (m_socket)
+        m_socket->deleteLater();
+
+    m_socket = RemoteClient::instance().connect();
+    if (!m_socket)
+        return false;
+
+    m_stream.setDevice(m_socket);
+    m_stream << QString::fromLatin1(Protocol::Create) << m_type;
+    foreach (const QVariant &arg, arguments)
+        m_stream << arg;
+    m_socket->waitForBytesWritten(-1);
+
+    return true;
+}
+
+bool RemoteObject::isConnectedToServer() const
+{
+    if ((!m_socket) || (!RemoteClient::instance().isActive()))
+        return false;
+    if (m_socket && (m_socket->state() == QAbstractSocket::ConnectedState))
+        return true;
+    return false;
+}
+
+void RemoteObject::callRemoteMethod(const QString &name)
+{
+    writeData(name, dummy, dummy, dummy);
+}
+
+} // namespace QInstaller