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, 160 insertions, 0 deletions

diff --git a/src/libs/installer/remoteclient.cpp b/src/libs/installer/remoteclient.cpp
new file mode 100644
index 000000000..60ccb3409
--- /dev/null
+++ b/src/libs/installer/remoteclient.cpp
@@ -0,0 +1,160 @@
+/**************************************************************************
+**
+** 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 "remoteclient.h"
+
+#include "protocol.h"
+#include "remoteclient_p.h"
+
+#include <QElapsedTimer>
+#include <QUuid>
+
+namespace QInstaller {
+
+RemoteClient::RemoteClient()
+    : d_ptr(new RemoteClientPrivate(this))
+{
+    Q_D(RemoteClient);
+    d->m_key = QUuid::createUuid().toString();
+}
+
+RemoteClient::~RemoteClient()
+{
+    Q_D(RemoteClient);
+    d->m_quit = true;
+}
+
+RemoteClient &RemoteClient::instance()
+{
+    static RemoteClient instance;
+    return instance;
+}
+
+QString RemoteClient::authorizationKey() const
+{
+    Q_D(const RemoteClient);
+    return d->m_key;
+}
+
+void RemoteClient::setAuthorizationKey(const QString &key)
+{
+    Q_D(RemoteClient);
+    if (d->m_serverStarted)
+        return;
+    d->m_key = key;
+}
+
+void RemoteClient::init(quint16 port, const QHostAddress &address, Mode mode)
+{
+    Q_D(RemoteClient);
+    d->init(port, address, mode);
+}
+
+QTcpSocket *RemoteClient::connect() const
+{
+    Q_D(const RemoteClient);
+    if (d->m_quit)
+        return 0;
+
+    int tries = 3;
+    QScopedPointer<QTcpSocket> socket(new QTcpSocket);
+    while ((tries > 0) && (!d->m_quit)) {
+        socket->connectToHost(d->m_address, d->m_port);
+
+        QElapsedTimer stopWatch;
+        stopWatch.start();
+        while ((socket->state() == QAbstractSocket::ConnectingState)
+            && (stopWatch.elapsed() < 10000) && (!d->m_quit)) {
+                --tries;
+                qApp->processEvents();
+                continue;
+        }
+        if ((socket->state() != QAbstractSocket::ConnectedState) || d->m_quit)
+            return 0;
+
+        QDataStream stream;
+        stream.setDevice(socket.data());
+        stream << QString::fromLatin1(Protocol::Authorize) << d->m_key;
+
+        socket->waitForBytesWritten(-1);
+        if (!socket->bytesAvailable())
+            socket->waitForReadyRead(-1);
+
+        quint32 size; stream >> size;
+        bool authorized; stream >> authorized;
+        if (authorized && (!d->m_quit))
+            return socket.take();
+    }
+    return 0;
+}
+
+bool RemoteClient::isActive() const
+{
+    Q_D(const RemoteClient);
+    return d->m_active;
+}
+
+void RemoteClient::setActive(bool active)
+{
+    Q_D(RemoteClient);
+    d->m_active = active;
+    if (d->m_active) {
+        d->maybeStartServer();
+        d->m_active = d->m_serverStarted;
+    }
+}
+
+void RemoteClient::setStartServerCommand(const QString &command, StartAs startAs)
+{
+    setStartServerCommand(command, QStringList(), startAs);
+}
+
+void RemoteClient::setStartServerCommand(const QString &command, const QStringList &arguments,
+    StartAs startAs)
+{
+    Q_D(RemoteClient);
+    d->maybeStopServer();
+    d->m_serverCommand = command;
+    d->m_serverArguments = arguments;
+    d->m_startServerAsAdmin = startAs;
+}
+
+} // namespace QInstaller