1 files changed, 59 insertions, 0 deletions
diff --git a/lib/remote/apifunction.hpp b/lib/remote/apifunction.hpp
new file mode 100644
index 0000000..e611320
--- /dev/null
+++ b/lib/remote/apifunction.hpp
@@ -0,0 +1,59 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef APIFUNCTION_H
+#define APIFUNCTION_H
+
+#include "remote/i2-remote.hpp"
+#include "remote/messageorigin.hpp"
+#include "base/registry.hpp"
+#include "base/value.hpp"
+#include "base/dictionary.hpp"
+#include <vector>
+
+namespace icinga
+{
+
+/**
+ * A function available over the internal cluster API.
+ *
+ * @ingroup base
+ */
+class ApiFunction final : public Object
+{
+public:
+	DECLARE_PTR_TYPEDEFS(ApiFunction);
+
+	typedef std::function<Value(const MessageOrigin::Ptr& origin, const Dictionary::Ptr&)> Callback;
+
+	ApiFunction(Callback function);
+
+	Value Invoke(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& arguments);
+
+	static ApiFunction::Ptr GetByName(const String& name);
+	static void Register(const String& name, const ApiFunction::Ptr& function);
+	static void Unregister(const String& name);
+
+private:
+	Callback m_Callback;
+};
+
+/**
+ * A registry for API functions.
+ *
+ * @ingroup base
+ */
+class ApiFunctionRegistry : public Registry<ApiFunctionRegistry, ApiFunction::Ptr>
+{
+public:
+	static ApiFunctionRegistry *GetInstance();
+};
+
+#define REGISTER_APIFUNCTION(name, ns, callback) \
+	INITIALIZE_ONCE([]() { \
+		ApiFunction::Ptr func = new ApiFunction(callback); \
+		ApiFunctionRegistry::GetInstance()->Register(#ns "::" #name, func); \
+	})
+
+}
+
+#endif /* APIFUNCTION_H */