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| #include <QMutexLocker>
#include <QList>
#include "wagoConnector.h"
#include "wagoConfiguration.h"
#include "wagoConnectorPool.h"
WagoConnectorPool *WagoConnectorPool::_instance = 0;
quint8 WagoConnectorPool::nbInstance = 4;
WagoConnectorPool::WagoConnectorPool(void) {
: _wagoInstances() {
createConnectors();
}
WagoConnectorPool::~WagoConnectorPool(void) {
_wagoInstances.clear();
}
WagoConnectorPool *WagoConnectorPool::instance(void) {
if (_instance == 0)
_instance = new WagoConnectorPool();
return _instance;
}
void WagoConnectorPool::remove(void) {
delete _instance;
}
Modbus *WagoConnectorPool::getConnector(void) {
if (!_wagoInstances.isEmpty()) {
QMutexLocker locker(&_mutex);
if (!_wagoInstances.isEmpty()) {
Modbus *connector = _wagoInstances.front();
_wagoInstances.pop_front();
return connector;
}
else
return 0;
}
return 0;
}
void WagoConnectorPool::releaseConnector(Modbus *connector) {
QMutexLocker locker(&_mutex);
_wagoInstances.push_back(connector);
}
void WagoConnectorPool::createConnectors(void) {
for (unsigned int i = 0; i < nbInstance; ++i) {
Modbus *connector = new Modbus(WagoConfiguration::instance()->address(), WagoConfiguration::instance()->port());
connect(connector, SIGNAL(connected(void)), this, SLOT(connectorConnected(void)));
connect(connector, SIGNAL(errorDuringConnection(QAbstractSocket::SocketError)), this, SIGNAL(errorDuringConnection(QAbstractSocket::SocketError)));
connector->connect();
}
}
void WagoConnectorPool::connectorConnected(void) {
Modbus *connector = qobject_cast<Modbus *>(sender());
if (connector != 0)
_wagoInstances.push_back(connector);
} |
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