Line data Source code
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_V1_DECODER_HPP_INCLUDED__
31 : #define __ZMQ_V1_DECODER_HPP_INCLUDED__
32 :
33 : #include "decoder.hpp"
34 :
35 : namespace zmq
36 : {
37 : // Decoder for ZMTP/1.0 protocol. Converts data batches into messages.
38 :
39 : class v1_decoder_t :
40 : public zmq::c_single_allocator,
41 : public decoder_base_t <v1_decoder_t>
42 : {
43 : public:
44 :
45 : v1_decoder_t (size_t bufsize_, int64_t maxmsgsize_);
46 : ~v1_decoder_t ();
47 :
48 0 : virtual msg_t *msg () { return &in_progress; }
49 :
50 : private:
51 :
52 : int one_byte_size_ready (unsigned char const*);
53 : int eight_byte_size_ready (unsigned char const*);
54 : int flags_ready (unsigned char const*);
55 : int message_ready (unsigned char const*);
56 :
57 : unsigned char tmpbuf [8];
58 : msg_t in_progress;
59 :
60 : int64_t maxmsgsize;
61 :
62 : v1_decoder_t (const v1_decoder_t&);
63 : void operator = (const v1_decoder_t&);
64 : };
65 :
66 : }
67 :
68 : #endif
69 :
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