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/*
* FeatureWorkerManagerConnection.cpp - class which handles communication between service and feature
*
* Copyright (c) 2017-2021 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - https://veyon.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include <QCoreApplication>
#include <QHostAddress>
#include "FeatureManager.h"
#include "FeatureWorkerManagerConnection.h"
#include "VeyonConfiguration.h"
FeatureWorkerManagerConnection::FeatureWorkerManagerConnection( VeyonWorkerInterface& worker,
FeatureManager& featureManager,
Feature::Uid featureUid,
QObject* parent ) :
QObject( parent ),
m_worker( worker ),
m_featureManager( featureManager ),
m_socket( this ),
m_featureUid( featureUid )
{
connect( &m_connectTimer, &QTimer::timeout, this, &FeatureWorkerManagerConnection::tryConnection );
connect( &m_socket, &QTcpSocket::connected,
this, &FeatureWorkerManagerConnection::sendInitMessage );
connect( &m_socket, &QTcpSocket::disconnected,
QCoreApplication::instance(), &QCoreApplication::quit );
connect( &m_socket, &QTcpSocket::readyRead,
this, &FeatureWorkerManagerConnection::receiveMessage );
tryConnection();
}
bool FeatureWorkerManagerConnection::sendMessage( const FeatureMessage& message )
{
return message.send( &m_socket );
}
void FeatureWorkerManagerConnection::tryConnection()
{
if( m_socket.state() != QTcpSocket::ConnectedState )
{
const auto port = quint16( VeyonCore::config().featureWorkerManagerPort() + VeyonCore::sessionId() );
vDebug() << "connecting to FeatureWorkerManager at port" << port;
m_socket.connectToHost( QHostAddress::LocalHost, port );
m_connectTimer.start( ConnectTimeout );
}
}
void FeatureWorkerManagerConnection::sendInitMessage()
{
vDebug() << m_featureUid;
m_connectTimer.stop();
FeatureMessage( m_featureUid, FeatureMessage::InitCommand ).send( &m_socket );
}
void FeatureWorkerManagerConnection::receiveMessage()
{
FeatureMessage featureMessage;
while( featureMessage.isReadyForReceive( &m_socket ) )
{
if( featureMessage.receive( &m_socket ) )
{
m_featureManager.handleFeatureMessage( m_worker, featureMessage );
}
}
}
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