/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
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** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
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** Please review the following information to ensure the GNU Lesser General
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** rights. These rights are described in the Nokia Qt LGPL Exception
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**
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**
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#ifndef DEBUGGER_LLDBENGINE_HOST_H
#define DEBUGGER_LLDBENGINE_HOST_H

#include "ipcenginehost.h"
#include <utils/ssh/ssherrors.h>
#include <utils/ssh/sshconnection.h>
#include <utils/ssh/sshremoteprocess.h>
#include <utils/ssh/sshremoteprocessrunner.h>

#include <QtCore/QProcess>
#include <QtCore/QQueue>

namespace Debugger {
namespace Internal {

class SshIODevice : public QIODevice
{
Q_OBJECT
public:
    SshIODevice(Utils::SshRemoteProcessRunner::Ptr r);
    virtual qint64 bytesAvailable () const;
    virtual qint64 writeData (const char * data, qint64 maxSize);
    virtual qint64 readData (char * data, qint64 maxSize);
private slots:
    void processStarted();
    void outputAvailable(const QByteArray &output);
    void errorOutputAvailable(const QByteArray &output);
private:
    Utils::SshRemoteProcessRunner::Ptr runner;
    Utils::SshRemoteProcess::Ptr proc;
    int buckethead;
    QQueue<QByteArray> buckets;
    QByteArray startupbuffer;
};

class LldbEngineHost : public IPCEngineHost
{
    Q_OBJECT

public:
    explicit LldbEngineHost(const DebuggerStartParameters &startParameters);
    ~LldbEngineHost();

private:
    QProcess *m_guestProcess;
    Utils::SshRemoteProcessRunner::Ptr m_ssh;
protected:
    void nuke();
private slots:
    void sshConnectionError(Utils::SshError);
    void finished(int, QProcess::ExitStatus);
    void stderrReady();
};

} // namespace Internal
} // namespace Debugger

#endif // DEBUGGER_LLDBENGINE_HOST_H
