void CDspVmAutoTaskManagerBase::timerEvent(QTimerEvent* te)
{
if (!IsInitialized())
{
WRITE_TRACE( DBG_WARNING, "Timer event on unitialized %s manager", getManagerName() );
return;
}
// Looking for proper VM ident.
bool bRestartTimer = false;
TimerInfo timerInfo;
CVmIdent vmIdent;
{
QMutexLocker locker(&m_lockVmIdents);
QMap<CVmIdent, TimerInfo >::iterator it;
for(it = m_mapVmIdents.begin(); it != m_mapVmIdents.end(); ++it)
{
timerInfo = it.value();
if (timerInfo.iTimerId == te->timerId())
break;
}
if ( it == m_mapVmIdents.end() || timerInfo.bTaskInUse)
return;
vmIdent = it.key();
bRestartTimer = (timerInfo.iPeriod != timerInfo.iOriginalPeriod);
if (bRestartTimer)
{
emit killVmTimerSignal(timerInfo.iTimerId);
m_mapVmIdents.remove(vmIdent);
}
}
if (bRestartTimer)
{
emit startVmTimerSignal(vmIdent, timerInfo.iOriginalPeriod, timerInfo.iOriginalPeriod);
}
// Store timestamp
{
CDspLockedPointer<QSettings> pQSettings = CDspService::instance()->getQSettings();
QString qsGroup = getSettingsGroupKey(vmIdent);
pQSettings->beginGroup(qsGroup);
pQSettings->setValue(getSettingsKeyTimestamp(), QVariant(QDateTime::currentDateTime()));
pQSettings->endGroup();
}
// Get client
QHash< IOSender::Handle, SmartPtr<CDspClient> > hashClients =
CDspService::instance()->getClientManager().getSessionListByVm(
vmIdent.second, vmIdent.first, CDspAccessManager::VmAccessRights::makeModeRWX() );
if ( hashClients.empty() )
{
WRITE_TRACE(DBG_FATAL, "No clients connect to VM %s with required permissions",
QSTR2UTF8(vmIdent.first) );
return;
}
// Start auto task
if ( ! updateTaskState(vmIdent, true) )
return;
// Fake client
SmartPtr<CDspClient> pClient( new CDspClient(IOSender::Handle()) );
pClient->getAuthHelper().AuthUserBySelfProcessOwner();
pClient->setVmDirectoryUuid(vmIdent.second);
startTask( pClient, vmIdent );
}
PRL_RESULT CDspVmAutoTaskManagerBase::tryToRegisterVm(const SmartPtr<CVmConfiguration>& pVmConfig,
const QString& qsVmDirUuid,
int iRecommendedNextTime)
{
if ( ! pVmConfig )
return PRL_ERR_FAILURE;
CVmIdent vmIdent = MakeVmIdent(pVmConfig->getVmIdentification()->getVmUuid(), qsVmDirUuid);
// Fake client (calling at starting dispatcher from Init())
SmartPtr<CDspClient> pClient( new CDspClient(IOSender::Handle()) );
pClient->getAuthHelper().AuthUserBySelfProcessOwner();
pClient->setVmDirectoryUuid(vmIdent.second);
PRL_RESULT res = prepareRegistration( vmIdent, pClient );
if ( PRL_FAILED( res ) )
return res;
if ( !isEnabled( pVmConfig, false ) )
return unregisterVm(vmIdent);
// Check period
int iPeriod;
res = getPeriod( pVmConfig, iPeriod );
if ( PRL_FAILED( res ) )
return res;
// Register VM and start timer
{
QMutexLocker locker(&m_lockVmIdents);
if (m_mapVmIdents.contains(vmIdent))
{
TimerInfo timerInfo = m_mapVmIdents.value(vmIdent);
if ( timerInfo.bAutoTask )
{
int iOldPeriod = timerInfo.iPeriod;
if (iOldPeriod && iOldPeriod != iPeriod)
{
emit killVmTimerSignal(timerInfo.iTimerId);
m_mapVmIdents.remove(vmIdent);
}
else
{
return PRL_ERR_SUCCESS;
}
}
}
}
// Check timestamp
QDateTime dtNow = QDateTime::currentDateTime();
QDateTime dtTimestamp;
{
CDspLockedPointer<QSettings> pQSettings = CDspService::instance()->getQSettings();
QString qsGroup = getSettingsGroupKey(vmIdent);
pQSettings->beginGroup(qsGroup);
QString qsKeyTimeStamp = getSettingsKeyTimestamp();
dtTimestamp = pQSettings->value(qsKeyTimeStamp, QVariant(dtNow)).toDateTime();
if ( ! pQSettings->contains(qsKeyTimeStamp) )
pQSettings->setValue(qsKeyTimeStamp, QVariant(dtNow));
pQSettings->endGroup();
}
int iOriginalPeriod = iPeriod;
int iSkippedInterval = dtTimestamp.secsTo( dtNow );
if ( iSkippedInterval > 0 )
{
iPeriod = (iSkippedInterval > iPeriod ? 0 : iPeriod - iSkippedInterval);
}
if ( iRecommendedNextTime )
iPeriod = qMin(iPeriod, iRecommendedNextTime);
WRITE_TRACE( DBG_FATAL, "%s manager: register VM %s with period %d (%d)",
getManagerName(), QSTR2UTF8( pVmConfig->getVmIdentification()->getVmName() ),
iPeriod, iOriginalPeriod );
emit startVmTimerSignal(vmIdent, iPeriod, iOriginalPeriod);
return PRL_ERR_SUCCESS;
}