/**************************************************************************
**
** 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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#ifndef MAEMOUSEDPORTSGATHERER_H
#define MAEMOUSEDPORTSGATHERER_H

#include <QtCore/QList>
#include <QtCore/QObject>
#include <QtCore/QSharedPointer>
#include <QtCore/QString>

namespace Utils {
class SshConnection;
class SshRemoteProcessRunner;
}

namespace RemoteLinux {
class LinuxDeviceConfiguration;
class PortList;

namespace Internal {

class MaemoUsedPortsGatherer : public QObject
{
    Q_OBJECT
public:
    explicit MaemoUsedPortsGatherer(QObject *parent = 0);
    ~MaemoUsedPortsGatherer();
    void start(const QSharedPointer<Utils::SshConnection> &connection,
        const QSharedPointer<const LinuxDeviceConfiguration> &devConf);
    void stop();
    int getNextFreePort(PortList *freePorts) const; // returns -1 if no more are left
    QList<int> usedPorts() const { return m_usedPorts; }

signals:
    void error(const QString &errMsg);
    void portListReady();

private slots:
    void handleConnectionError();
    void handleProcessClosed(int exitStatus);
    void handleRemoteStdOut(const QByteArray &output);
    void handleRemoteStdErr(const QByteArray &output);

private:
    void setupUsedPorts();

    QSharedPointer<Utils::SshRemoteProcessRunner> m_procRunner;
    QList<int> m_usedPorts;
    QByteArray m_remoteStdout;
    QByteArray m_remoteStderr;
    bool m_running;
};

} // namespace Internal
} // namespace RemoteLinux

#endif // MAEMOUSEDPORTSGATHERER_H
