3 ==================================================================================
4 Copyright (c) 2020 Nokia
5 Copyright (c) 2020 AT&T Intellectual Property.
7 Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
11 http://www.apache.org/licenses/LICENSE-2.0
13 Unless required by applicable law or agreed to in writing, software
14 distributed under the License is distributed on an "AS IS" BASIS,
15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 See the License for the specific language governing permissions and
17 limitations under the License.
18 ==================================================================================
22 Mnemonic: callback.hpp
23 Abstract: class description for a callback managment object.
25 Author: E. Scott Daniels
36 #include "message.hpp"
38 typedef void(*user_callback)( Message& m, int mtype, int subid, int payload_len, Msg_component payload, void* usr_data );
43 user_callback user_fun;
44 void* udata; // user data
47 Callback( user_callback, void* data ); // builder
48 void Drive_cb( Message& m ); // invoker