32b0e19a
 Steven de Ridder
Initial commit. d...
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#include "transqueue.h"
#include "dcxmlconfig.h"
#include "log.h"
#include "threadcontext.h"
#include "ormxmlwriter.h"
#include <QFile>
#include <QDateTime>
#include <QTextStream>
using namespace osdev::components;
TransQueue::TransQueue( QObject *_parent )
: QObject( _parent )
, m_TTL( DCXmlConfig::Instance().timeToLive() )
, m_queueTimer()
, m_queueMutex()
, m_queue()
{
// Connect the timer to the internal timeout-slot.
connect( &m_queueTimer, &QTimer::timeout, this, &TransQueue::slotProcessQueue );
}
void TransQueue::setTimeOut( int milli_seconds )
{
m_queueTimer.setSingleShot( true );
m_queueTimer.setInterval( milli_seconds );
}
void TransQueue::setTransaction( const QSharedPointer<ORMRelData>& pData )
{
QMutexLocker mutLock( &m_queueMutex );
if( pData )
{
if( pData->TTL() == -1 )
{
pData->setTTL( m_TTL );
m_queue.enqueue( pData );
}
else if( pData->TTL() == 0 )
{
if( !this->dumpToDisk( pData ) )
{
LogError( "[TransQueue::setTransaction]",
QString( "There was a problem dumping the data disk. That is why we dump it to the LogFile : %1" ).arg( pData->asString() ) );
}
}
else if( pData->TTL() > 0 )
{
pData->decTTL();
m_queue.enqueue( pData );
}
this->startProcessing();
}
}
bool TransQueue::processing() const
{
return m_queueTimer.isActive();
}
void TransQueue::startProcessing( bool force )
{
if( force )
{
m_queueTimer.stop();
/*
* The timer will be started after slotProcessQueue is done processing.
* Timer is implemented as a singleshot, preventing timeout() signals
* to pile up due to the processingtime of the slot.
*/
this->slotProcessQueue();
}
else
{
if( !m_queueTimer.isActive() )
{
m_queueTimer.start();
}
else
{
// Do nothing. timeout will trigger...
}
}
}
void TransQueue::stopProcessing( bool force )
{
if( force && m_queueTimer.isActive() )
{
m_queueTimer.stop();
}
}
void TransQueue::slotProcessQueue()
{
LogDebug( "[TransQueue::slotProcessQueue()]", QString("Starting processing the queue.") );
if( !m_queue.isEmpty() )
{
LogDebug( "[TransQueue::slotProcessQueue()]", QString("Number of entries in the queue before : %1").arg( m_queue.size() ) );
auto pData = m_queue.dequeue();
ThreadContextScope tcs(pData->traceId());
emit signalProcessData( pData );
LogDebug( "[TransQueue::slotProcessQueue()]", QString("Number of entries in the queue after : %1").arg( m_queue.size() ) );
LogInfo( "[TransQueue::slotProcessQueue()]", QString("TTL Of package : %1").arg( pData->TTL() ) );
}
// Timer is intentionally set as a singleshot. We have to restart it
// every time this slot is called.
if( m_queue.size() > 0 )
{
LogInfo( "[TransQueue::slotProcessQueue()]", QString( "Number of transactions in Queue : %1" ).arg( m_queue.size() ) );
m_queueTimer.start();
}
else
{
LogInfo( "[TransQueue::slotProcessQueue()]", "Transaction Queue is Empty." );
// Just to be sure.....
m_queueTimer.stop();
}
}
bool TransQueue::dumpToDisk( const QSharedPointer<ORMRelData>& data ) const
{
if( data )
{
QString strLogFile = DCXmlConfig::Instance().transactionPath();
OrmXmlWriter oWriter( strLogFile.toStdString() );
if( oWriter.writeToDisk() )
{
LogWarning( "[TransQueue::dumpToDisk]",
QString( "Datafile failed to save to disk. Content : <ormreldata_%1>%2" ).arg( data->getMainTableContainer()->timeStamp() ).arg( QString( oWriter.asString().c_str() ) ) );
}
}
return false;
}
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