Added proper shutdown of the plugins with remove of the service and dlcose of the plugin handle.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8493 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/plugins/pluginmanager.cc

@@ -174,7 +174,7 @@ void RsPluginManager::loadPlugins(const std::vector<std::string>& plugin_directo
 	saveConfiguration();
 }
 
-void RsPluginManager::stopPlugins()
+void RsPluginManager::stopPlugins(p3ServiceServer *pqih)
 {
 	std::cerr << "  Stopping plugins." << std::endl;
 
@@ -182,16 +182,21 @@ void RsPluginManager::stopPlugins()
 	{
 		if (_plugins[i].plugin != NULL)
 		{
+			p3Service *service = _plugins[i].plugin->p3_service();
+			if (service)
+			{
+				pqih->removeService(service);
+			}
+
 			_plugins[i].plugin->stop();
-//			delete _plugins[i].plugin;
-//			_plugins[i].plugin = NULL;
+			delete _plugins[i].plugin;
+			_plugins[i].plugin = NULL;
+		}
+		if (_plugins[i].handle)
+		{
+			dlclose(_plugins[i].handle);
+			_plugins[i].handle = NULL;
 		}
-// Causes a crash
-//		if (_plugins[i].handle)
-//		{
-//			dlclose(_plugins[i].handle);
-//			_plugins[i].handle = NULL;
-//		}
 	}
 }
 

libretroshare/src/plugins/pluginmanager.h

@@ -98,7 +98,7 @@ class RsPluginManager: public RsPluginHandler, public p3Config
 		//
 		void loadPlugins(const std::vector<RsPlugin*>& explicit_plugin_entries) ;
 
-		void stopPlugins();
+		void stopPlugins(p3ServiceServer *pqih);
 
 		void registerCacheServices() ;
 		void registerClientServices(p3ServiceServer *pqih) ;

libretroshare/src/pqi/pqiservice.cc

@@ -84,6 +84,31 @@ int	p3ServiceServer::addService(pqiService *ts, bool defaultOn)
 	return 1;
 }
 
+int p3ServiceServer::removeService(pqiService *ts)
+{
+	RsStackMutex stack(srvMtx); /********* LOCKED *********/
+
+#ifdef SERVICE_DEBUG
+	pqioutput(PQL_DEBUG_BASIC, pqiservicezone, "p3ServiceServer::removeService()");
+#endif
+
+	RsServiceInfo info = ts->getServiceInfo();
+
+	// This doesn't need to be in Mutex.
+	mServiceControl->deregisterService(info.mServiceType);
+
+	std::map<uint32_t, pqiService *>::iterator it = services.find(info.mServiceType);
+	if (it == services.end())
+	{
+		std::cerr << "p3ServiceServer::removeService(): Service not found with id " << info.mServiceType << "!" << std::endl;
+		return -1;
+	}
+
+	services.erase(it);
+
+	return 1;
+}
+
 bool	p3ServiceServer::recvItem(RsRawItem *item)
 {
 	RsStackMutex stack(srvMtx); /********* LOCKED *********/

libretroshare/src/pqi/pqiservice.h

@@ -109,6 +109,7 @@ public:
 	p3ServiceServer(pqiPublisher *pub, p3ServiceControl *ctrl);
 
 int	addService(pqiService *, bool defaultOn);
+int	removeService(pqiService *);
 
 bool	recvItem(RsRawItem *);
 bool	sendItem(RsRawItem *);

libretroshare/src/retroshare/rsplugin.h

@@ -121,6 +121,9 @@ public:
 class RsPlugin
 {
 	public:
+		RsPlugin() {}
+		virtual ~RsPlugin() {}
+
 		//
 		//================================ Services ==================================//
 		//

libretroshare/src/rsserver/p3face-config.cc

@@ -83,7 +83,7 @@ void RsServer::rsGlobalShutDown()
 
 	ConfigFinalSave(); // save configuration before exit
 
-	mPluginsManager->stopPlugins();
+	mPluginsManager->stopPlugins(pqih);
 
 	mNetMgr->shutdown(); /* Handles UPnP */
 

plugins/FeedReader/FeedReaderPlugin.cpp

@@ -44,11 +44,9 @@ extern "C" {
 #ifdef WIN32
 	__declspec(dllexport)
 #endif
-	void *RETROSHARE_PLUGIN_provide()
+	RsPlugin *RETROSHARE_PLUGIN_provide()
 	{
-		static FeedReaderPlugin *p = new FeedReaderPlugin();
-
-		return (void*)p;
+		return new FeedReaderPlugin();
 	}
 
 	// This symbol contains the svn revision number grabbed from the executable.

plugins/VOIP/VOIPPlugin.cpp

@@ -51,11 +51,9 @@ extern "C" {
 	// - always respect the C linkage convention
 	// - always return an object of type RsPlugin*
 	//
-	void *RETROSHARE_PLUGIN_provide()
+	RsPlugin *RETROSHARE_PLUGIN_provide()
 	{
-		static VOIPPlugin *p = new VOIPPlugin() ;
-
-		return (void*)p ;
+		return new VOIPPlugin() ;
 	}
 
 	// This symbol contains the svn revision number grabbed from the executable.