/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#pragma once

#include "ssh/ssherrors.h"

#include <QObject>
#include <QSharedPointer>

QT_BEGIN_NAMESPACE
class QTcpSocket;
QT_END_NAMESPACE

namespace QSsh {
class SshConnection;
class SshConnectionParameters;
class SshTcpIpForwardServer;
}

class ForwardTunnel : public QObject
{
    Q_OBJECT
public:
    ForwardTunnel(const QSsh::SshConnectionParameters &parameters,
                  QObject *parent = 0);
    void run();

signals:
    void finished(int exitCode);

private:
    void handleConnected();
    void handleConnectionError(QSsh::SshError error);
    void handleInitialized();
    void handleServerError(const QString &reason);
    void handleServerClosed();
    void handleNewConnection();
    void handleSocketError();

    QSsh::SshConnection * const m_connection;
    QSharedPointer<QSsh::SshTcpIpForwardServer> m_server;
    QTcpSocket *m_targetSocket;
    quint16 m_targetPort;

    QByteArray m_dataReceivedFromServer;
    QByteArray m_dataReceivedFromClient;
};