Initial source commit

[ric-plt/xapp-frame-cpp.git] / src / messaging / callback.hpp

diff --git a/src/messaging/callback.hpp b/src/messaging/callback.hpp
new file mode 100644 (file)
index 0000000..2b7813d
--- /dev/null
+++ b/src/messaging/callback.hpp
@@ -0,0 +1,54 @@
+// vi: ts=4 sw=4 noet:
+/*
+==================================================================================
+       Copyright (c) 2020 Nokia
+       Copyright (c) 2020 AT&T Intellectual Property.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================================
+*/
+
+/*
+       Mnemonic:       callback.hpp
+       Abstract:       class description for a callback managment object.
+       Date:           9 March 2020
+       Author:         E. Scott Daniels
+*/
+
+
+#ifndef _CALLBACK_HPP
+#define _CALLBACK_HPP
+
+#include <memory>
+
+class Messenger;
+class Message;
+#include "message.hpp"
+
+typedef void(*user_callback)( Messenger& mr, Message& m, int mtype, int subid, int payload_len, Msg_component payload, void* usr_data );
+                                                               //std::unique_ptr<unsigned char,unfreeable> payload, void* usr_data );
+
+class Callback {
+
+       private:
+               user_callback user_fun;
+               void*   udata;                                                                  // user data
+
+       public:
+               Callback( user_callback, void* data );                                  // builder
+               ~Callback();                                                                                    // destroyer
+               void Drive_cb( Messenger& mr, Message& m );             // invoker
+};
+
+
+#endif