添加dlopen失败时错误提示

src/PluginManager/PluginManager.cpp

@@ -20,8 +20,7 @@
 #include <dlfcn.h>
 #endif
 
-namespace Plugins
-{
+namespace Plugins {
 	PluginManager* PluginManager::_instance = nullptr;
 
 	PluginManager* PluginManager::getInstance()
@@ -39,8 +38,7 @@ namespace Plugins
 	void PluginManager::releasePlugs()
 	{
 		int nplug = _pluginList.size();
-		for (int i = 0; i < nplug; ++i)
-		{
+		for(int i = 0; i < nplug; ++i) {
 			Plugins::PluginBase* p	= _pluginList.at(i);
 			bool				 ok = p->uninstall();
 			if(!ok)
@@ -58,15 +56,13 @@ namespace Plugins
 		QStringList	  plugins = Setting::BusAPI::instance()->getPlugins();
 		const QString plugdir = QApplication::applicationDirPath() + "/plugins/";
 		QDir		  dir(plugdir);
-		if (!dir.exists())
-		{
+		if(!dir.exists()) {
 			plugins.clear();
 			Setting::BusAPI::instance()->setPlugins(plugins);
 			return;
 		}
 
-		for (int i = 0; i < plugins.size(); ++i)
-		{
+		for(int i = 0; i < plugins.size(); ++i) {
 			QString pluginname = plugins.at(i);
 			bool	ok		   = loadPlugin(pluginname);
 			if(!ok)
@@ -96,11 +92,9 @@ namespace Plugins
 			return false;
 
 		HMODULE hmodel = LoadLibrary(LPCWSTR(plugpath.utf16()));
-		if (hmodel)
-		{
+		if(hmodel) {
 			fun = (Reg)GetProcAddress(hmodel, "Register");
-			if (fun)
-			{
+			if(fun) {
 				fun(_mainWindow, &_pluginList);
 				Plugins::PluginBase* pls = _pluginList.last();
 				qDebug() << "Plugin: " << pls->getDescribe();
@@ -108,9 +102,7 @@ namespace Plugins
 				pls->setFileName(pluginname);
 				pls->setWinModule(hmodel);
 				pls->reTranslate(lang);
-			}
-			else
-			{
+			} else {
 				FreeLibrary(hmodel);
 				return false;
 			}
@@ -123,11 +115,12 @@ namespace Plugins
 		if(!pluginname.toLower().endsWith(".so"))
 			return false;
 		void* pHandle = dlopen(plugpath.toLatin1().data(), RTLD_NOW);
-		if (!pHandle)
+		if(!pHandle) {
+			qDebug() << "dlopen error: " << dlerror();
 			return false;
+		}
 		fun = (Reg)dlsym(pHandle, "Register");
-		if (fun)
-		{
+		if(fun) {
 			fun(_mainWindow, &_pluginList);
 			Plugins::PluginBase* pls = _pluginList.last();
 			qDebug() << "Plugin: " << pls->getDescribe();
@@ -135,9 +128,7 @@ namespace Plugins
 			pls->setFileName(pluginname);
 			pls->setLinuxModule(pHandle);
 			pls->reTranslate(lang);
-		}
-		else
-		{
+		} else {
 			// plugins.removeOne(pluginname);
 			dlclose(pHandle);
 			return false;
@@ -150,8 +141,7 @@ namespace Plugins
 	void PluginManager::reTranslate(QString lang)
 	{
 		const int n = _pluginList.size();
-		for (int i = 0; i < n; ++i)
-		{
+		for(int i = 0; i < n; ++i) {
 			auto p = _pluginList.at(i);
 			p->reTranslate(lang);
 		}
@@ -159,8 +149,7 @@ namespace Plugins
 
 	PluginBase* PluginManager::getPluginByDescribe(QString des)
 	{
-		for (auto p : _pluginList)
-		{
+		for(auto p : _pluginList) {
 			if(des.toLower() == p->getDescribe().toLower())
 				return p;
 		}
@@ -175,10 +164,8 @@ namespace Plugins
 
 	bool PluginManager::releasePlugin(QString name)
 	{
-		for (auto p : _pluginList)
-		{
-			if (name == p->getFileName())
-			{
+		for(auto p : _pluginList) {
+			if(name == p->getFileName()) {
 				bool ok = p->uninstall();
 				if(!ok)
 					return false;
@@ -195,8 +182,7 @@ namespace Plugins
 	{
 		QList<PluginBase*> ps;
 
-		for (PluginBase *p : _pluginList)
-		{
+		for(PluginBase* p : _pluginList) {
 			if(p->getType() == t)
 				ps.append(p);
 		}
@@ -230,8 +216,7 @@ namespace Plugins
 
 	bool PluginManager::isFileLoaded(const QString fileName)
 	{
-		for (auto p : _pluginList)
-		{
+		for(auto p : _pluginList) {
 			QString name = p->getFileName();
 			if(name.toLower() == fileName.toLower())
 				return true;
@@ -239,4 +224,4 @@ namespace Plugins
 		return false;
 	}
 
-}
+} // namespace Plugins