pingmanager.cpp
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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 "pingmanager.h"
#include "log.h"
#include "pingdata.h"
#include <QCoreApplication>
using namespace osdev::components;
PingManager::PingManager( int max_threads, QObject *parent )
: QObject( parent )
, m_qhThreads()
, m_pSharedBuffer()
, m_pHostBuffer()
, m_max_threads( max_threads )
{
m_pSharedBuffer = new PingDataQueue();
if( nullptr != m_pSharedBuffer )
{
connect( m_pSharedBuffer, &PingDataQueue::signalNewDataReceived, this, &PingManager::slotNewData );
}
m_pHostBuffer = new HostBuffer();
createThreads();
}
PingManager::~PingManager()
{
// Cleanup the SharedBuffer
if( nullptr != m_pSharedBuffer )
{
delete m_pSharedBuffer;
m_pSharedBuffer = nullptr;
}
// Cleanup the HostBuffer
if( nullptr != m_pHostBuffer )
{
delete m_pHostBuffer;
m_pHostBuffer = nullptr;
}
}
void PingManager::createThreads()
{
// Create all threads
for( int threadCounter = 0; threadCounter < m_max_threads; threadCounter++ )
{
PingThread *pThread = new PingThread( m_pHostBuffer, m_pSharedBuffer );
if( nullptr != pThread )
{
connect( pThread, &PingThread::signalThreadFinished, this, &PingManager::slotThreadFinished );
connect( this, &PingManager::signalStartThreads, pThread, &PingThread::slotStartThread );
m_qhThreads.append( pThread );
}
else
{
LogError( "[PingManager::startPingTests]", QString( "Unable to start threadnumber : %1" ).arg( threadCounter ) );
}
}
LogInfo( "[PingManager::createThreads]", QString( "%1 threads created and ready to run." ).arg( m_qhThreads.count() ) );
}
bool PingManager::startPingTests()
{
bool bResult = false;
if( m_pHostBuffer->count() > 0 )
{
LogInfo( "[PingManager::startPingTests]", QString( "Signalling all threads to start checking hosts" ) );
emit signalStartThreads();
QCoreApplication::processEvents();
bResult &= true;
}
else
{
LogInfo( "[PingManager::startPingTests]",
QString( "No hosts to check." ) );
}
return bResult;
}
int PingManager::addHosts( const QStringList &host_list )
{
if( nullptr == m_pHostBuffer )
{
m_pHostBuffer = new HostBuffer();
}
m_pHostBuffer->addHosts( host_list );
return m_pHostBuffer->count();
}
void PingManager::slotNewData( const QUuid &id )
{
PingData* pData = m_pSharedBuffer->getData( id );
if( nullptr != pData )
{
QCoreApplication::processEvents();
}
}
void PingManager::slotThreadFinished( QThread *thread )
{
LogInfo( "[PingManager::slotThreadFinished]", QString( "Thread signalled finished : %1" ).arg( m_qhThreads.indexOf( thread ) ) );
bool running_threads = false;
// Here we check if there are still running threads. If not, we signal the object
foreach( const auto cur_thread, m_qhThreads )
{
running_threads &= cur_thread->isRunning();
}
if( !running_threads )
{
LogInfo( "[PingManager::slotThreadFinished]", QString( "Signalling all Threads finished -> signalAllThreadsFinished()" ) );
emit signalAllThreadsFinished();
}
else
{
LogInfo( "[PingManager::slotThreadFinished]", QString( "Still running threads...()" ) );
}
}
QStringList PingManager::getActiveIPs()
{
QStringList l_result;
for( const auto id : m_pSharedBuffer->getIds() )
{
if( m_pSharedBuffer->getData( id )->available() )
{
l_result.append( m_pSharedBuffer->getData( id )->ipAddress() );
}
}
return l_result;
}