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#ifndef NTP_H
#define NTP_H
#include "settime.h"
#include <qdatetime.h>

class OProcess;
class QString;
class QTimer;
class QSocket;
class QCopChannel;

class Ntp : public SetDateTime
{
  Q_OBJECT

public:
  Ntp( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
    ~Ntp();

public slots:
	void setDocument (const QString &);
protected:
		QDateTime predictedTime;
    void makeChannel();
protected slots:
    void receive(const QCString &msg, const QByteArray &arg);
private:
		QString _ntpOutput;
   	float _shiftPerSec;
    int _lookupDiff;
    OProcess *ntpProcess;
    QTimer *ntpTimer;
    QSocket *ntpSock;
    QCopChannel *channel;

   	float getTimeShift();
	  void readLookups();
	  void ntpOutPut(QString);
   	bool ntpDelayElapsed();
    QString getNtpServer();
private slots:
    void slotRunNtp();
    void getNtpOutput(OProcess *proc, char *buffer, int buflen);
    void ntpFinished(OProcess*);
	  void preditctTime();
	  void slotCheckNtp(int);
	  void setPredictTime();
	  void showAdvancedFeatures(bool);
	  void slotProbeNtpServer();
	  void slotNtpDelayChanged(int);
};

#endif