1 /*
2     Copyright (c) 2007-2011 iMatix Corporation
3     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
4 
5     This file is part of 0MQ.
6 
7     0MQ is free software; you can redistribute it and/or modify it under
8     the terms of the GNU Lesser General Public License as published by
9     the Free Software Foundation; either version 3 of the License, or
10     (at your option) any later version.
11 
12     0MQ is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU Lesser General Public License for more details.
16 
17     You should have received a copy of the GNU Lesser General Public License
18     along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20 
21 #ifndef __ZMQ_REQ_HPP_INCLUDED__
22 #define __ZMQ_REQ_HPP_INCLUDED__
23 
24 #include "xreq.hpp"
25 
26 namespace zmq
27 {
28 
29     class req_t : public xreq_t
30     {
31     public:
32 
33         req_t (class ctx_t *parent_, uint32_t tid_);
34         ~req_t ();
35 
36         //  Overloads of functions from socket_base_t.
37         int xsend (zmq_msg_t *msg_, int flags_);
38         int xrecv (zmq_msg_t *msg_, int flags_);
39         bool xhas_in ();
40         bool xhas_out ();
41 
42     private:
43 
44         //  If true, request was already sent and reply wasn't received yet or
45         //  was raceived partially.
46         bool receiving_reply;
47 
48         //  If true, we are starting to send/recv a message. The first part
49         //  of the message must be empty message part (backtrace stack bottom).
50         bool message_begins;
51 
52         req_t (const req_t&);
53         const req_t &operator = (const req_t&);
54     };
55 
56 }
57 
58 #endif
59