-rw-r--r-- | library/alarmserver.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/alarmserver.cpp b/library/alarmserver.cpp index 02bca3d..7e6e515 100644 --- a/library/alarmserver.cpp +++ b/library/alarmserver.cpp @@ -65,193 +65,193 @@ private: QString atfilename; }; TimerReceiverObject *timerEventReceiver = NULL; QList<timerEventItem> timerEventList; timerEventItem *nearestTimerEvent = NULL; // set the timer to go off on the next event in the list void setNearestTimerEvent() { nearestTimerEvent = NULL; QListIterator<timerEventItem> it( timerEventList ); if ( *it ) nearestTimerEvent = *it; for ( ; *it; ++it ) if ( (*it)->UTCtime < nearestTimerEvent->UTCtime ) nearestTimerEvent = *it; if (nearestTimerEvent) timerEventReceiver->resetTimer(); else timerEventReceiver->deleteTimer(); } //store current state to file //Simple implementation. Should run on a timer. static void saveState() { QString savefilename = Global::applicationFileName( "AlarmServer", "saveFile" ); if ( timerEventList.isEmpty() ) { unlink( savefilename ); return; } QFile savefile(savefilename+".new"); if ( savefile.open(IO_WriteOnly) ) { QDataStream ds( &savefile ); //save QListIterator<timerEventItem> it( timerEventList ); for ( ; *it; ++it ) { ds << it.current()->UTCtime; ds << it.current()->channel; ds << it.current()->message; ds << it.current()->data; } savefile.close(); unlink( savefilename ); QDir d; d.rename(savefilename+".new",savefilename); } } /*! Sets up the alarm server. Restoring to previous state (session management). */ void AlarmServer::initialize() { //read autosave file and put events in timerEventList QString savefilename = Global::applicationFileName( "AlarmServer", "saveFile" ); QFile savefile(savefilename); if ( savefile.open(IO_ReadOnly) ) { QDataStream ds( &savefile ); while ( !ds.atEnd() ) { timerEventItem *newTimerEventItem = new timerEventItem; ds >> newTimerEventItem->UTCtime; ds >> newTimerEventItem->channel; ds >> newTimerEventItem->message; ds >> newTimerEventItem->data; timerEventList.append( newTimerEventItem ); } savefile.close(); if (!timerEventReceiver) timerEventReceiver = new TimerReceiverObject; setNearestTimerEvent(); } } static const char* atdir = "/var/spool/at/"; static bool triggerAtd( bool writeHWClock = FALSE ) { QFile trigger(QString(atdir) + "trigger"); if ( trigger.open(IO_WriteOnly|IO_Raw) ) { const char* data = -#ifdef QT_QWS_CUSTOM +#ifdef QT_QWS_SHARP //custom atd only writes HW Clock if we write a 'W' ( writeHWClock ) ? "W\n" : #endif data = "\n"; int len = strlen(data); int total_written = trigger.writeBlock(data,len); if ( total_written != len ) { QMessageBox::critical( 0, QObject::tr( "Out of Space" ), QObject::tr( "Unable to schedule alarm.\nFree some memory and try again." ) ); trigger.close(); QFile::remove( trigger.name() ); return FALSE; } return TRUE; } return FALSE; } void TimerReceiverObject::deleteTimer() { if ( !atfilename.isEmpty() ) { unlink( atfilename ); atfilename = QString::null; triggerAtd( FALSE ); } } void TimerReceiverObject::resetTimer() { const int maxsecs = 2147000; int total_written; QDateTime nearest = TimeConversion::fromUTC(nearestTimerEvent->UTCtime); QDateTime now = QDateTime::currentDateTime(); if ( nearest < now ) nearest = now; int secs = TimeConversion::secsTo( now, nearest ); if ( secs > maxsecs ) { // too far for millisecond timing secs = maxsecs; } // System timer (needed so that we wake from deep sleep), // from the Epoch in seconds. // int at_secs = TimeConversion::toUTC(nearest); // qDebug("reset timer to %d seconds from Epoch",at_secs); QString fn = atdir + QString::number(at_secs) + "." + QString::number(getpid()); if ( fn != atfilename ) { QFile atfile(fn+".new"); if ( atfile.open(IO_WriteOnly|IO_Raw) ) { // just wake up and delete the at file QString cmd = "#!/bin/sh\nrm " + fn; total_written = atfile.writeBlock(cmd.latin1(),cmd.length()); if ( total_written != int(cmd.length()) ) { QMessageBox::critical( 0, tr("Out of Space"), tr("Unable to schedule alarm.\n" "Please free up space and try again") ); atfile.close(); QFile::remove( atfile.name() ); return; } atfile.close(); unlink( atfilename ); QDir d; d.rename(fn+".new",fn); chmod(fn.latin1(),0755); atfilename = fn; triggerAtd( FALSE ); } else { qWarning("Cannot open atd file %s",fn.latin1()); } } // Qt timers (does the actual alarm) // from now in milliseconds // qDebug("AlarmServer waiting %d seconds",secs); startTimer( 1000 * secs + 500 ); } void TimerReceiverObject::timerEvent( QTimerEvent * ) { bool needSave = FALSE; killTimers(); if (nearestTimerEvent) { if ( nearestTimerEvent->UTCtime <= TimeConversion::toUTC(QDateTime::currentDateTime()) ) { #ifndef QT_NO_COP QCopEnvelope e( nearestTimerEvent->channel, nearestTimerEvent->message ); e << TimeConversion::fromUTC( nearestTimerEvent->UTCtime ) << nearestTimerEvent->data; #endif timerEventList.remove( nearestTimerEvent ); needSave = TRUE; } setNearestTimerEvent(); |