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 ==================================================================================
23 Mnemonic: messenger.hpp
24 Abstract: Headers for the messenger class
27 Author: E. Scott Daniels
30 #ifndef _messenger_hpp
31 #define _messenger_hpp
42 //#include "callback.hpp"
43 //#include "default_cb.hpp" // default callback prototypes
44 #include "message.hpp"
54 std::map<int,Callback*> cb_hash; // callback functions associated with message types
55 std::mutex* gate; // overall mutex should we need searialisation
57 bool callbacks = false; // true if callbacks are defined
58 void* mrc; // message router context
59 char* listen_port; // port we ask msg router to listen on
62 // -- constants which need an instance; that happens as a global in the .cpp file (wtf C++)
63 static const int MAX_PAYLOAD; // max message size we'll handle
64 static const int DEFAULT_CALLBACK; // parm for add callback to set default
66 Messenger( char* port, bool wait4table ); // builder
67 ~Messenger(); // destroyer
69 void Add_msg_cb( int mtype, user_callback fun_name, void* data );
70 std::unique_ptr<Message> Alloc_msg( int payload_size ); // message allocation
71 void Listen( ); // lisen driver
72 std::unique_ptr<Message> Receive( int timeout ); // receive 1 message
73 void Stop( ); // force to stop
74 void Release_mbuf( void* vmbuf );
75 bool Wait_for_cts( int max_wait );