plugin: require name and add method to dump list

fpga/include/villas/fpga/ip.hpp

@@ -101,7 +101,8 @@ protected:
 
 class FpgaIpFactory : public Plugin {
 public:
-	FpgaIpFactory()
+	FpgaIpFactory(std::string concreteName) :
+	    Plugin(std::string("FPGA IP Factory: ") + concreteName)
 	{ pluginType = Plugin::Type::FpgaIp; }
 
 	/// Returns a running and checked FPGA IP

fpga/include/villas/fpga/ips/intc.hpp

@@ -66,6 +66,10 @@ private:
 class InterruptControllerFactory : public FpgaIpFactory {
 public:
 
+	InterruptControllerFactory() :
+	    FpgaIpFactory(getName())
+	{}
+
 	FpgaIp* create()
 	{ return new InterruptController; }
 

fpga/include/villas/plugin.hpp

@@ -40,7 +40,7 @@ public:
 		FpgaIp,
 	};
 
-	Plugin();
+	Plugin(std::string name);
 	virtual ~Plugin();
 
 	// each plugin is a singleton, so copying is not allowed
@@ -53,6 +53,9 @@ public:
 	virtual int parse(json_t *cfg);
 	virtual void dump();
 
+	static void
+	dumpList();
+
 	/** Find registered and loaded plugin with given name and type. */
 	static Plugin *
 	lookup(Type type, std::string name);

fpga/lib/plugin.cpp

@@ -45,9 +45,9 @@ Plugin::pluginListBuffer;
 int Plugin::pluginListNiftyCounter;
 
 
-Plugin::Plugin() :
+Plugin::Plugin(std::string name) :
     pluginType(Plugin::Type::Unknown),
-    name(""),
+    name(name),
     description(""),
     path(""),
     state(STATE_INITIALIZED)
@@ -120,6 +120,15 @@ Plugin::dump()
 	std::cout << " - " << this->name << ": " << this->description << std::endl;
 }
 
+void
+Plugin::dumpList()
+{
+	std::cout << "Registered plugins:" << std::endl;
+	for(auto& p : pluginList) {
+		std::cout << " - " << p->name <<  std::endl;
+	}
+}
+
 Plugin*
 Plugin::lookup(Plugin::Type type, std::string name)
 {