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#include "service.hpp"
#include <QDebug>
#include <QMutexLocker>
#include <QObject>
namespace caelestia {
Service::Service(QObject* parent)
: QObject(parent)
, m_refCount(0) {}
int Service::refCount() {
QMutexLocker locker(&m_mutex);
return m_refCount;
}
void Service::ref() {
bool needsStart = false;
{
QMutexLocker locker(&m_mutex);
if (m_refCount == 0) {
needsStart = true;
}
m_refCount++;
}
emit refCountChanged();
if (needsStart) {
QMetaObject::invokeMethod(this, &Service::start, Qt::QueuedConnection);
}
}
void Service::unref() {
bool needsStop = false;
{
QMutexLocker locker(&m_mutex);
if (m_refCount == 0) {
qWarning() << "ServiceRef::unref: attempted to unref service with no active refs";
return;
}
m_refCount--;
if (m_refCount == 0) {
needsStop = true;
}
}
emit refCountChanged();
if (needsStop) {
QMetaObject::invokeMethod(this, &Service::stop, Qt::QueuedConnection);
}
}
} // namespace caelestia
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