UpdatePTUDevCtrl/load_dc_plugin.cpp

41 lines
1021 B
C++

#include "load_dc_plugin.h"
#include <QCoreApplication>
#include <QPluginLoader>
#include <QDir>
#include <QDebug>
#include "plugins/interfaces.h"
DCPlugin::DCPlugin()
: m_hw_interface(0) {
}
DCPlugin::~DCPlugin() {
}
hwinf const *DCPlugin::loadPlugin() {
QString pluginPath = QCoreApplication::applicationDirPath() + "/plugins/";
QString pluginFileName = pluginPath + "libCashAgentLib.so";
QPluginLoader *pluginLoader = new QPluginLoader(pluginFileName);
if (!pluginLoader->load()) {
qFatal(pluginLoader->errorString().toStdString().c_str());
}
qDebug() <<"loaded plugin: " << pluginLoader->fileName();
QObject *plugin = pluginLoader->instance();
if (!plugin) {
qFatal("cannot load root component of plugin (hwinf ctor failing?");
}
// the plugin stays in memory until unloaded by the application
if ((m_hw_interface = qobject_cast<hwinf *>(plugin)) == nullptr) {
qFatal("cannot create root component");
}
return m_hw_interface;
}