1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Wslay - The WebSocket Library
*
* Copyright (c) 2011, 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef WSLAY_FRAME_H
#define WSLAY_FRAME_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <wslay/wslay.h>
enum wslay_frame_state {
PREP_HEADER,
PREP_HEADER_NOBUF,
SEND_HEADER,
SEND_PAYLOAD,
RECV_HEADER1,
RECV_PAYLOADLEN,
RECV_EXT_PAYLOADLEN,
RECV_MASKKEY,
RECV_PAYLOAD
};
struct wslay_frame_opcode_memo {
uint8_t fin;
uint8_t opcode;
uint8_t rsv;
};
struct wslay_frame_context {
uint8_t ibuf[4096];
uint8_t *ibufmark;
uint8_t *ibuflimit;
struct wslay_frame_opcode_memo iom;
uint64_t ipayloadlen;
uint64_t ipayloadoff;
uint8_t imask;
uint8_t imaskkey[4];
enum wslay_frame_state istate;
size_t ireqread;
uint8_t oheader[14];
uint8_t *oheadermark;
uint8_t *oheaderlimit;
uint64_t opayloadlen;
uint64_t opayloadoff;
uint8_t omask;
uint8_t omaskkey[4];
enum wslay_frame_state ostate;
struct wslay_frame_callbacks callbacks;
void *user_data;
};
#endif /* WSLAY_FRAME_H */
|