| -rw-r--r-- | example/ntp.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/example/ntp.cpp b/example/ntp.cpp deleted file mode 100644 index 5357cae..0000000 --- a/example/ntp.cpp +++ b/dev/null @@ -1,130 +0,0 @@ -#include "ntp.h" -#include <qpushbutton.h> -#include <qregexp.h> -#include <qlabel.h> -#include <qlineedit.h> -#include <qmultilineedit.h> -#include <opie/oprocess.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 <sys/time.h> -#include <time.h> -#include <stdlib.h> - - -Ntp::Ntp( QWidget* parent, const char* name, WFlags fl ) - : NtpBase( parent, name, fl ) -{ - Config cfg("ntp",Config::User); - cfg.setGroup("settings"); - _maxOffset = cfg.readNumEntry("maxOffset",5); - _minLookupDiff = cfg.readNumEntry("minLookupDiff",10); - LineEditNtpServer->setText( cfg.readEntry("ntpServer") ); - ntpProcess = new OProcess( ); - 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())); - _nextCorrection = new QTimer( this ); - connect( _nextCorrection, SIGNAL(timeout()), SLOT(correctClock()) ); - slotRunNtp(); -} - -Ntp::~Ntp() -{ - Config cfg("ntp",Config::User); - cfg.setGroup("settings"); - cfg.writeEntry("ntpServer", LineEditNtpServer->text()); -} - - -void Ntp::slotRunNtp() -{ - TextLabelStartTime->setText(QDateTime::currentDateTime().toString()); - ntpProcess->clearArguments(); - *ntpProcess << "ntpdate" << LineEditNtpServer->text(); - bool ret = ntpProcess->start(OProcess::NotifyOnExit,OProcess::AllOutput); - if ( !ret ) { - qDebug("Error while executing ntp"); - outPut->append("\nError while executing\n\n"); - } -} - -void Ntp::getNtpOutput(OProcess *proc, char *buffer, int buflen) -{ - QString lineStr, lineStrOld; - lineStr = buffer; - lineStr=lineStr.left(buflen); - if (lineStr!=lineStrOld) - { - outPut->append(lineStr); - _ntpOutput += lineStr; - } - lineStrOld = lineStr; -} - -void Ntp::ntpFinished(OProcess*) -{ - Config cfg("ntp",Config::User); - cfg.setGroup("lookups"); - int lastLookup = cfg.readNumEntry("time",0); - int lookupCount = cfg.readNumEntry("count",-1); - int time = TimeConversion::toUTC( QDateTime::currentDateTime() ); - cfg.writeEntry("time", time); - - float timeShift = getTimeShift(); - int secsSinceLast = time - lastLookup; - TextLabelNewTime->setText(QDateTime::currentDateTime().toString()); - if ( lastLookup > 0 && secsSinceLast > 60*_minLookupDiff) - { - lookupCount++; - cfg.writeEntry("count",lookupCount); - 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); - cfg.writeEntry("secsSinceLast",secsSinceLast); - cfg.writeEntry("timeShift",QString::number(timeShift)); - } -} - -void Ntp::correctClock() -{ - qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1()); - Config cfg("ntp",Config::User); - cfg.setGroup("correction"); - 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"); - struct timeval myTv; - myTv.tv_sec = TimeConversion::toUTC( QDateTime::currentDateTime().addSecs(corr) ); - myTv.tv_usec = 0; - - if ( myTv.tv_sec != -1 ) - ::settimeofday( &myTv, 0 ); - Global::writeHWClock(); - cfg.writeEntry("time",now); - qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1()); -} - -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()); - TextLabelTimeShift->setText(diff); - return diff.toFloat(); -}
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