1 files changed, 148 insertions, 0 deletions
diff --git a/ambd/pluginloader.h b/ambd/pluginloader.h
new file mode 100644
index 00000000..7700feed
--- /dev/null
+++ b/ambd/pluginloader.h
@@ -0,0 +1,148 @@
+/*
+Copyright (C) 2012 Intel Corporation
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef PLUGINLOADER_H
+#define PLUGINLOADER_H
+
+#include <string>
+#include <functional>
+#include <dlfcn.h>
+#include <iostream>
+
+#include "abstractsource.h"
+#include "abstractsink.h"
+#include "abstractroutingengine.h"
+#include "debugout.h"
+#include "imainloop.h"
+
+typedef void create_t(AbstractRoutingEngine*, map<string, string> );
+typedef void* create_mainloop_t(int argc, char** argv);
+typedef void* createRoutingEngine(void);
+
+class PluginLoader
+{
+
+public:
+	PluginLoader(std::string configFile, int argc, char** argv);
+	~PluginLoader();
+
+	IMainLoop* mainloop();
+
+	std::string errorString();
+
+	void scanPluginDir(const std::string &);
+
+	bool readPluginConfig(const std::string & configData);
+
+private: ///methods:
+
+
+	bool loadPlugin(string pluginName, std::map<std::string, std::string> config)
+	{
+		DebugOut()<<"Loading plugin: "<<pluginName<<endl;
+
+		void* handle = dlopen(pluginName.c_str(), RTLD_LAZY);
+
+		if(!handle)
+		{
+			mErrorString = dlerror();
+			DebugOut(DebugOut::Error)<<"error opening plugin: "<<pluginName<<" in "<<__FILE__<<" - "<<__FUNCTION__<<":"<<__LINE__<<" "<<mErrorString<<endl;
+			return false;
+		}
+
+		openHandles.push_back(handle);
+
+		f_create = (create_t *)dlsym(handle, "create");
+
+		if(f_create)
+		{
+			f_create(routingEngine, config);
+			return true;
+		}
+
+		return false;
+	}
+
+	IMainLoop* loadMainLoop(string pluginName, int argc, char** argv)
+	{
+		DebugOut()<<"Loading plugin: "<<pluginName<<endl;
+
+		void* handle = dlopen(pluginName.c_str(), RTLD_LAZY);
+
+		if(!handle)
+		{
+			mErrorString = dlerror();
+			DebugOut(DebugOut::Error)<<"error opening plugin: "<<pluginName<<" in "<<__FILE__<<" - "<<__FUNCTION__<<":"<<__LINE__<<" "<<mErrorString<<endl;
+			return nullptr;
+		}
+
+		openHandles.push_back(handle);
+
+		m_create = (create_mainloop_t *)dlsym(handle, "create");
+
+		if(m_create)
+		{
+			void* obj = m_create(argc, argv);
+			return static_cast<IMainLoop*>( obj );
+		}
+
+		return nullptr;
+	}
+	AbstractRoutingEngine* loadRoutingEngine(string pluginName)
+	{
+		DebugOut()<<"Loading plugin: "<<pluginName<<endl;
+
+		void* handle = dlopen(pluginName.c_str(), RTLD_LAZY);
+
+		if(!handle)
+		{
+			mErrorString = dlerror();
+			cerr<<"error opening plugin: "<<pluginName<<" in "<<__FILE__<<" - "<<__FUNCTION__<<":"<<__LINE__<<" "<<mErrorString<<endl;
+			return nullptr;
+		}
+
+		openHandles.push_back(handle);
+
+		r_create = (createRoutingEngine *)dlsym(handle, "create");
+
+		if(r_create)
+		{
+			void* obj = r_create();
+			return static_cast<AbstractRoutingEngine*>( obj );
+		}
+
+		return nullptr;
+	}
+
+private:
+
+	std::string mPluginPath;
+	std::string mErrorString;
+
+	AbstractRoutingEngine* routingEngine;
+
+	create_t * f_create;
+	create_mainloop_t * m_create;
+	createRoutingEngine * r_create;
+
+	IMainLoop* mMainLoop;
+
+	std::vector<void*> openHandles;
+};
+
+#endif // PLUGINLOADER_H