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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef SSHCHANNEL_P_H
#define SSHCHANNEL_P_H
#include <QtCore/QByteArray>
#include <QtCore/QString>
namespace Core {
namespace Internal {
class SshIncomingPacket;
class SshSendFacility;
class AbstractSshChannel
{
public:
enum ChannelState {
Inactive, SessionRequested, SessionEstablished, CloseRequested, Closed
};
ChannelState channelState() const { return m_state; }
void setChannelState(ChannelState state);
void setError(const QString &error) { m_errorString = error; }
QString errorString() const { return m_errorString; }
quint32 localChannelId() const { return m_localChannel; }
quint32 remoteChannel() const { return m_remoteChannel; }
virtual void handleChannelSuccess()=0;
virtual void handleChannelFailure()=0;
virtual void handleChannelRequest(const SshIncomingPacket &packet);
virtual void closeHook()=0;
void handleOpenSuccess(quint32 remoteChannelId, quint32 remoteWindowSize,
quint32 remoteMaxPacketSize);
void handleOpenFailure(const QString &reason);
void handleWindowAdjust(quint32 bytesToAdd);
void handleChannelEof();
void handleChannelClose();
void handleChannelData(const QByteArray &data);
void handleChannelExtendedData(quint32 type, const QByteArray &data);
void requestSessionStart();
void sendData(const QByteArray &data);
void closeChannel();
virtual ~AbstractSshChannel();
protected:
AbstractSshChannel(quint32 channelId, SshSendFacility &sendFacility);
quint32 maxDataSize() const;
void checkChannelActive();
SshSendFacility &m_sendFacility;
private:
virtual void handleOpenSuccessInternal()=0;
virtual void handleOpenFailureInternal()=0;
virtual void handleChannelDataInternal(const QByteArray &data)=0;
virtual void handleChannelExtendedDataInternal(quint32 type,
const QByteArray &data)=0;
void setState(ChannelState newState);
void flushSendBuffer();
int handleChannelOrExtendedChannelData(const QByteArray &data);
const quint32 m_localChannel;
quint32 m_remoteChannel;
quint32 m_localWindowSize;
quint32 m_remoteWindowSize;
quint32 m_remoteMaxPacketSize;
ChannelState m_state;
QByteArray m_sendBuffer;
QString m_errorString;
};
} // namespace Internal
} // namespace Core
#endif // SSHCHANNEL_P_H
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