1 | /* |
2 | Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file |
3 | |
4 | This file is part of libzmq, the ZeroMQ core engine in C++. |
5 | |
6 | libzmq is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU Lesser General Public License (LGPL) as published |
8 | by the Free Software Foundation; either version 3 of the License, or |
9 | (at your option) any later version. |
10 | |
11 | As a special exception, the Contributors give you permission to link |
12 | this library with independent modules to produce an executable, |
13 | regardless of the license terms of these independent modules, and to |
14 | copy and distribute the resulting executable under terms of your choice, |
15 | provided that you also meet, for each linked independent module, the |
16 | terms and conditions of the license of that module. An independent |
17 | module is a module which is not derived from or based on this library. |
18 | If you modify this library, you must extend this exception to your |
19 | version of the library. |
20 | |
21 | libzmq is distributed in the hope that it will be useful, but WITHOUT |
22 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
23 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
24 | License for more details. |
25 | |
26 | You should have received a copy of the GNU Lesser General Public License |
27 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
28 | */ |
29 | |
30 | #ifndef __ZMQ_NULL_MECHANISM_HPP_INCLUDED__ |
31 | #define __ZMQ_NULL_MECHANISM_HPP_INCLUDED__ |
32 | |
33 | #include "mechanism.hpp" |
34 | #include "options.hpp" |
35 | #include "zap_client.hpp" |
36 | |
37 | namespace zmq |
38 | { |
39 | class msg_t; |
40 | class session_base_t; |
41 | |
42 | class null_mechanism_t : public zap_client_t |
43 | { |
44 | public: |
45 | null_mechanism_t (session_base_t *session_, |
46 | const std::string &peer_address_, |
47 | const options_t &options_); |
48 | virtual ~null_mechanism_t (); |
49 | |
50 | // mechanism implementation |
51 | virtual int next_handshake_command (msg_t *msg_); |
52 | virtual int process_handshake_command (msg_t *msg_); |
53 | virtual int zap_msg_available (); |
54 | virtual status_t status () const; |
55 | |
56 | private: |
57 | bool _ready_command_sent; |
58 | bool _error_command_sent; |
59 | bool _ready_command_received; |
60 | bool _error_command_received; |
61 | bool _zap_request_sent; |
62 | bool _zap_reply_received; |
63 | |
64 | int process_ready_command (const unsigned char *cmd_data_, |
65 | size_t data_size_); |
66 | int process_error_command (const unsigned char *cmd_data_, |
67 | size_t data_size_); |
68 | |
69 | void send_zap_request (); |
70 | }; |
71 | } |
72 | |
73 | #endif |
74 | |