| -rw-r--r-- | noncore/settings/netsystemtime/ntp.cpp | 8 |
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); } |