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path: root/noncore/settings/netsystemtime/ntp.cpp
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Diffstat (limited to 'noncore/settings/netsystemtime/ntp.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/settings/netsystemtime/ntp.cpp42
1 files changed, 38 insertions, 4 deletions
diff --git a/noncore/settings/netsystemtime/ntp.cpp b/noncore/settings/netsystemtime/ntp.cpp
index c2b64f0..04b113b 100644
--- a/noncore/settings/netsystemtime/ntp.cpp
+++ b/noncore/settings/netsystemtime/ntp.cpp
@@ -31,6 +31,7 @@ Ntp::Ntp( QWidget* parent, const char* name, WFlags fl )
connect ( ntpProcess, SIGNAL(processExited(OProcess*)),
this, SLOT(ntpFinished(OProcess*)));
connect(runNtp, SIGNAL(clicked()), this, SLOT(slotRunNtp()));
+ connect(PushButtonPredict, SIGNAL(clicked()), this, SLOT(preditctTime()));
_nextCorrection = new QTimer( this );
connect( _nextCorrection, SIGNAL(timeout()), SLOT(correctClock()) );
slotRunNtp();
@@ -80,7 +81,7 @@ void Ntp::ntpFinished(OProcess*)
cfg.writeEntry("time", time);
float timeShift = getTimeShift();
- if (timeShift = 0.0) return;
+ if (timeShift == 0.0) return;
int secsSinceLast = time - lastLookup;
TextLabelNewTime->setText(QDateTime::currentDateTime().toString());
if ( lastLookup > 0 && secsSinceLast > 60*_minLookupDiff)
@@ -90,7 +91,7 @@ void Ntp::ntpFinished(OProcess*)
cfg.setGroup("lookup_"+QString::number(lookupCount));
_shiftPerSec = timeShift / secsSinceLast;
float nextCorr = _maxOffset / _shiftPerSec;
- qDebug("secs since last lookup %i", secsSinceLast);qDebug("timeshift since last lookup %f", timeShift);qDebug("timeshift since per sec %f", _shiftPerSec);qDebug("in %f secs the time will be shifted by %i", nextCorr,_maxOffset);
+ qDebug("secs since last lookup %i", secsSinceLast);qDebug("timeshift since last lookup %f", timeShift);qDebug("timeshift since per sec %f", _shiftPerSec);
cfg.writeEntry("secsSinceLast",secsSinceLast);
cfg.writeEntry("timeShift",QString::number(timeShift));
}
@@ -137,10 +138,43 @@ void Ntp::readLookups()
Config cfg("ntp",Config::User);
cfg.setGroup("lookups");
int lookupCount = cfg.readNumEntry("count",-1);
+ float last, shift, shiftPerSec;
+ qDebug("lookupCount = %i",lookupCount);
+ TableLookups->setNumCols( 3 );
+ TableLookups->setNumRows( lookupCount);
+ TableLookups->horizontalHeader()->setLabel(2,"secsSinceLast");
+ TableLookups->horizontalHeader()->setLabel(1,"timeShift");
+ TableLookups->horizontalHeader()->setLabel(0,"shift/s");
+ int cw = TableLookups->width()/4;
+ qDebug("column width %i",cw);
+ TableLookups->setColumnWidth( 0, cw );
+ TableLookups->setColumnWidth( 1, cw );
+ TableLookups->setColumnWidth( 2, cw );
for (int i=0; i < lookupCount; i++)
{
cfg.setGroup("lookup_"+QString::number(i));
- TableLookups->setText( 1,i,cfg.readEntry("secsSinceLast",0));
- TableLookups->setText( 2,i,cfg.readEntry("timeShift",0));
+ last = cfg.readEntry("secsSinceLast",0).toFloat();
+ shift = QString(cfg.readEntry("timeShift",0)).toFloat();
+ qDebug("%i last %f",i,last);
+ qDebug("%i shift %f",i,shift);
+ shiftPerSec = shift / last;
+ _shiftPerSec += shiftPerSec;
+ TableLookups->setText( i,0,QString::number(shiftPerSec));
+ TableLookups->setText( i,1,QString::number(shift));
+ TableLookups->setText( i,2,QString::number(last));
}
+ _shiftPerSec /= lookupCount+1;
+ TextLabelShift->setText(QString::number(_shiftPerSec));
+}
+
+void Ntp::preditctTime()
+{
+ qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1());
+ Config cfg("ntp",Config::User);
+ cfg.setGroup("lookups");
+ int lastTime = cfg.readNumEntry("time",0);
+ int now = TimeConversion::toUTC( QDateTime::currentDateTime() );
+ int corr = int((now - lastTime) * _shiftPerSec);
+ outPut->append( "time will be shifted by "+QString::number(corr)+ "secs");
+ TextLabelPredTime->setText(QDateTime::currentDateTime().addSecs(corr).toString());
}