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 "message.hpp"
52 std::map<int,Callback*> cb_hash; // callback functions associated with message types
53 std::mutex* gate; // overall mutex should we need searialisation
55 bool callbacks = false; // true if callbacks are defined
56 void* mrc; // message router context
57 char* listen_port; // port we ask msg router to listen on
59 // copy and assignment are PRIVATE so that they fail if xapp tries; messenger cannot be copied!
60 Messenger( const Messenger& soi );
61 Messenger& operator=( const Messenger& soi );
64 // -- constants which need an instance; that happens as a global in the .cpp file (wtf C++)
65 static const int MAX_PAYLOAD; // max message size we'll handle
66 static const int DEFAULT_CALLBACK; // parm for add callback to set default
68 Messenger( char* port, bool wait4table ); // builder
69 Messenger( Messenger&& soi ); // move construction
70 Messenger& operator=( Messenger&& soi ); // move operator
71 ~Messenger(); // destroyer
73 void Add_msg_cb( int mtype, user_callback fun_name, void* data );
74 std::unique_ptr<Message> Alloc_msg( int payload_size ); // message allocation
75 void Listen( ); // lisen driver
76 std::unique_ptr<Message> Receive( int timeout ); // receive 1 message
77 void Stop( ); // force to stop
78 //void Release_mbuf( void* vmbuf );
79 bool Wait_for_cts( int max_wait );