aply ntp on set not on quit -- hopefully

1 files changed, 8 insertions, 0 deletions

diff --git a/noncore/settings/netsystemtime/ntp.cpp b/noncore/settings/netsystemtime/ntp.cpp
index 40b5531..0b13b6d 100644
--- a/noncore/settings/netsystemtime/ntp.cpp
+++ b/noncore/settings/netsystemtime/ntp.cpp
@@ -1,289 +1,297 @@
 #include "ntp.h"
 #include <qpushbutton.h>
 #include <qregexp.h>
 #include <qtimer.h>
 #include <qtable.h>
 #include <qlabel.h>
 #include <qsocket.h>
 #include <qlineedit.h>
 #include <qspinbox.h>
 #include <qmessagebox.h>
 #include <qmultilineedit.h>
 #include <opie/oprocess.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/config.h>
 #include <qpe/global.h>
 #include <qpe/timeconversion.h>
 #include <qpe/tzselect.h>
 #include <qpe/timestring.h>
 #include <qpe/qpedialog.h>
+#include <qpe/datebookdb.h>
 #include <sys/time.h>
 #include <time.h>
 #include <stdlib.h>
 
 
 Ntp::Ntp( QWidget* parent,  const char* name, WFlags fl )
     : SetDateTime( parent, name, fl )
 {
         Config ntpSrvs(QPEApplication::qpeDir()+"etc/ntpservers",Config::File);
   ntpSrvs.setGroup("servers");
   int srvCount = ntpSrvs.readNumEntry("count", 0 );
   for (int i = 0; i < srvCount; i++)
   {
           ntpSrvs.setGroup(QString::number(i));
            ComboNtpSrv->insertItem( ntpSrvs.readEntry("name") );
   }
   if ( srvCount==0 ) ComboNtpSrv->insertItem(tr("time.fu-berlin.de"));
 
         Config cfg("ntp",Config::User);
   cfg.setGroup("settings");
         SpinBoxMinLookupDelay->setValue( cfg.readNumEntry("minLookupDiff",41) );
         SpinBoxNtpDelay->setValue( cfg.readNumEntry("ntpRefreshFreq",42) );
   ComboNtpSrv->setCurrentItem( cfg.readNumEntry("ntpServer", 0) );
 
   ntpTimer = new QTimer(this);
 
          ntpProcess = new OProcess( );
   connect( SpinBoxNtpDelay, SIGNAL( valueChanged(int) ),
                                         SLOT(slotNtpDelayChanged(int)) );
 
   ntpSock = new QSocket( this );
   connect( ntpSock, SIGNAL( error(int) ),
                                         SLOT(slotCheckNtp(int)) );
   slotProbeNtpServer();
 
   connect ( ntpProcess, SIGNAL(receivedStdout(OProcess*,char*,int)),
                                         this, SLOT(getNtpOutput(OProcess*,char*,int)));
   connect ( ntpProcess, SIGNAL(processExited(OProcess*)),
                                         this, SLOT(ntpFinished(OProcess*)));
   connect(runNtp, SIGNAL(clicked()), this, SLOT(slotRunNtp()));
   connect(PushButtonPredict, SIGNAL(clicked()), this, SLOT(preditctTime()));
   connect(PushButtonSetPredTime, SIGNAL(clicked()), this, SLOT(setPredictTime()));
   slotCheckNtp(-1);
   readLookups();
 }
 
 Ntp::~Ntp()
 {
         delete ntpProcess;
         Config ntpSrvs("/etc/ntpservers",Config::File);
   ntpSrvs.setGroup("servers");
   int srvCount = ComboNtpSrv->count();
   ntpSrvs.writeEntry("count", srvCount);
   for (int i = 0; i < srvCount; i++)
   {
           ntpSrvs.setGroup(QString::number(i));
            ntpSrvs.writeEntry( "name", ComboNtpSrv->text(i) );
   }
         Config cfg("ntp",Config::User);
   cfg.setGroup("settings");
   cfg.writeEntry("ntpServer", ComboNtpSrv->currentItem());
   cfg.writeEntry( "minLookupDiff", SpinBoxMinLookupDelay->value() );
          cfg.writeEntry( "ntpRefreshFreq", SpinBoxNtpDelay->value() );
 }
 
 bool Ntp::ntpDelayElapsed()
 {
         Config cfg("ntp",Config::User);
   cfg.setGroup("lookups");
   _lookupDiff = TimeConversion::toUTC(QDateTime::currentDateTime()) - cfg.readNumEntry("time",0);
   return (_lookupDiff - (SpinBoxNtpDelay->value()*60)) > -60;
 }
 
 QString Ntp::getNtpServer()
 {
         return ComboNtpSrv->currentText();
 }
 
 void Ntp::slotRunNtp()
 {
   if ( !ntpDelayElapsed() )
   {
           switch (
             QMessageBox::warning(this, tr("Run NTP?"),
      tr("You asked for a delay of ")+SpinBoxNtpDelay->text()+tr(" minutes, but only ")+
      QString::number(_lookupDiff/60)+tr(" minutes elapsed since last loopup.")+
      "<br>"+tr("Rerun NTP?"),
      QMessageBox::Ok,QMessageBox::Cancel)
            ) {
                     case QMessageBox::Ok:     break;
                    case QMessageBox::Cancel: return;
               default: return;
       }
   }
         TextLabelStartTime->setText(QDateTime::currentDateTime().toString());
   ntpOutPut( tr("Running:")+"\nntpdate "+getNtpServer() );
          
         ntpProcess->clearArguments();
         *ntpProcess << "ntpdate" << getNtpServer();
         bool ret = ntpProcess->start(OProcess::NotifyOnExit,OProcess::AllOutput);
   if ( !ret ) {
      qDebug("Error while executing ntpdate");
      ntpOutPut( tr("Error while executing ntpdate"));
   }
 }
 
 void  Ntp::getNtpOutput(OProcess *proc, char *buffer, int buflen)
 {
   QString lineStr, lineStrOld;
   lineStr = buffer;
   lineStr=lineStr.left(buflen);
   if (lineStr!=lineStrOld)
   {
                 ntpOutPut(lineStr);
                  _ntpOutput += lineStr;
   }
   lineStrOld = lineStr;
 }
 
 void  Ntp::ntpFinished(OProcess *p)
 {
         qDebug("p->exitStatus() %i",p->exitStatus());
         if (p->exitStatus()!=0 || !p->normalExit())
          {
     slotProbeNtpServer();
            return;
   }
+
+  Global::writeHWClock();
+  // since time has changed quickly load in the datebookdb
+  // to allow the alarm server to get a better grip on itself
+  // (example re-trigger alarms for when we travel back in time)
+  DateBookDB db;
+
         Config cfg("ntp",Config::User);
   cfg.setGroup("lookups");
   int lastLookup = cfg.readNumEntry("time",0);
   int lookupCount = cfg.readNumEntry("count",0);
   bool lastNtp = cfg.readBoolEntry("lastNtp",false);
   int time = TimeConversion::toUTC( QDateTime::currentDateTime() );
   cfg.writeEntry("time", time);
          
   float timeShift = getTimeShift();
   if (timeShift == 0.0) return;
          int secsSinceLast = time - lastLookup;
   TextLabelNewTime->setText(QDateTime::currentDateTime().toString());
   TextLabelTimeShift->setText(QString::number(timeShift)+tr(" seconds"));
   if ( lastNtp && lastLookup > 0 && secsSinceLast > 60* SpinBoxMinLookupDelay->value())
   {
           cfg.setGroup("lookup_"+QString::number(lookupCount));
           lookupCount++;
     _shiftPerSec =  timeShift / secsSinceLast;
            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));
           cfg.setGroup("lookups");
            cfg.writeEntry("count",lookupCount);
           cfg.writeEntry("lastNtp",true);
   }
 }
 
 
 float Ntp::getTimeShift()
 {
         QString _offset = "offset";
   QString _sec = "sec";
   QRegExp _reOffset = QRegExp(_offset);
   QRegExp _reEndOffset = QRegExp(_sec);
   int posOffset = _reOffset.match( _ntpOutput );
   int posEndOffset = _reEndOffset.match( _ntpOutput, posOffset );
   posOffset += _offset.length() + 1;
   QString diff = _ntpOutput.mid(posOffset, posEndOffset-posOffset-1);
   qDebug("%s", _ntpOutput.latin1());
   qDebug("diff = >%s<",diff.latin1());
   return diff.toFloat();
 }
 
 void Ntp::readLookups()
 {
         Config cfg("ntp",Config::User);
   cfg.setGroup("lookups");
   int lookupCount = cfg.readNumEntry("count",0);
   float last, shift, shiftPerSec;
   qDebug("lookupCount = %i",lookupCount);
   TableLookups->setNumCols( 3 );
   TableLookups->setNumRows( lookupCount);
   TableLookups->horizontalHeader()->setLabel(1,tr("last [h]"));
   TableLookups->horizontalHeader()->setLabel(2,tr("offset [s]"));
   TableLookups->horizontalHeader()->setLabel(0,tr("shift [s/h]"));
   int cw = TableLookups->width()/4;
   qDebug("column width %i",cw);
   cw = 50;
   TableLookups->setColumnWidth( 0, cw+30 );
   TableLookups->setColumnWidth( 1, cw );
   TableLookups->setColumnWidth( 2, cw );
   TableLookups->sortColumn(0, false, true );
  // TableLookups->setSorting( true );
   for (int i=0; i < lookupCount; i++)
   {
           cfg.setGroup("lookup_"+QString::number(i));
            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*60*60));
                 TableLookups->setText( i,2,QString::number(shift));
           TableLookups->setText( i,1,QString::number(last/(60*60)));
   }
   _shiftPerSec /= lookupCount;
   TextLabelShift->setText(QString::number(_shiftPerSec*60*60)+tr(" s/h"));
 }
 
 void Ntp::preditctTime()
 {
         Config cfg("ntp",Config::User);
   cfg.setGroup("lookups");
          int lastTime = cfg.readNumEntry("time",0);
          cfg.writeEntry("lastNtp",true);
   setenv( "TZ", tz->currentZone(), 1 );
   int now = TimeConversion::toUTC( QDateTime::currentDateTime() );
   int corr = int((now - lastTime) * _shiftPerSec);
   TextLabelEstimatedShift->setText(QString::number(corr)+tr(" seconds"));
   predictedTime = QDateTime::currentDateTime().addSecs(corr);
          TextLabelPredTime->setText(predictedTime.toString());
   TextLabelMainPredTime->setText(tr("Predicted time:")+"<br><b>"+predictedTime.toString()+"</b>");
 }
 
 void Ntp::setPredictTime()
 {
   preditctTime();
          setTime( predictedTime );
 }
 
 void Ntp::slotCheckNtp(int i)
 {
         if (i == 0)
          {
     TextLabelMainPredTime->hide();
     ButtonSetTime->setText( tr("Get time from network") );
           connect( ButtonSetTime, SIGNAL(clicked()), SLOT(slotRunNtp()) );
                  if ( ntpDelayElapsed() )
            {
       slotRunNtp();
                   disconnect(ntpTimer, SIGNAL( timeout() ), this, SLOT(slotProbeNtpServer()) );
             connect(ntpTimer, SIGNAL( timeout() ), SLOT(slotRunNtp()) );
           }else{
             disconnect(ntpTimer, SIGNAL( timeout() ), this, SLOT(slotRunNtp()) );
                   connect(ntpTimer, SIGNAL( timeout() ), SLOT(slotProbeNtpServer()) );
     }
   }else{
           preditctTime();
                 ButtonSetTime->setText( tr("Set predicted time") );
           if (i>0)ntpOutPut(tr("Could not connect to server ")+getNtpServer());
           connect( ButtonSetTime, SIGNAL(clicked()), SLOT(setPredictTime()) );
           connect( ntpTimer, SIGNAL( timeout() ), SLOT(slotProbeNtpServer()) );
   }
 }
 
 void Ntp::slotProbeNtpServer()
 {
         qDebug("Ntp::slotProbeNtpServer()");
         ntpSock->connectToHost( getNtpServer() ,123);
 }
 
 void Ntp::slotNtpDelayChanged(int delay)
 {
   ntpTimer->changeInterval( delay*1000*60 );
 }
 
 void Ntp::ntpOutPut(QString out)
 {
         MultiLineEditntpOutPut->append(out);
   MultiLineEditntpOutPut->setCursorPosition(MultiLineEditntpOutPut->numLines() + 1,0,FALSE);
 }