1 | /* |
2 | * Wslay - The WebSocket Library |
3 | * |
4 | * Copyright (c) 2011, 2012 Tatsuhiro Tsujikawa |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining |
7 | * a copy of this software and associated documentation files (the |
8 | * "Software"), to deal in the Software without restriction, including |
9 | * without limitation the rights to use, copy, modify, merge, publish, |
10 | * distribute, sublicense, and/or sell copies of the Software, and to |
11 | * permit persons to whom the Software is furnished to do so, subject to |
12 | * the following conditions: |
13 | * |
14 | * The above copyright notice and this permission notice shall be |
15 | * included in all copies or substantial portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
20 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
24 | */ |
25 | #ifndef WSLAY_FRAME_H |
26 | #define WSLAY_FRAME_H |
27 | |
28 | #ifdef HAVE_CONFIG_H |
29 | # include <config.h> |
30 | #endif /* HAVE_CONFIG_H */ |
31 | |
32 | #include <wslay/wslay.h> |
33 | |
34 | enum wslay_frame_state { |
35 | , |
36 | , |
37 | , |
38 | SEND_PAYLOAD, |
39 | , |
40 | RECV_PAYLOADLEN, |
41 | RECV_EXT_PAYLOADLEN, |
42 | RECV_MASKKEY, |
43 | RECV_PAYLOAD |
44 | }; |
45 | |
46 | struct wslay_frame_opcode_memo { |
47 | uint8_t fin; |
48 | uint8_t opcode; |
49 | uint8_t rsv; |
50 | }; |
51 | |
52 | struct wslay_frame_context { |
53 | uint8_t ibuf[4096]; |
54 | uint8_t *ibufmark; |
55 | uint8_t *ibuflimit; |
56 | struct wslay_frame_opcode_memo iom; |
57 | uint64_t ipayloadlen; |
58 | uint64_t ipayloadoff; |
59 | uint8_t imask; |
60 | uint8_t imaskkey[4]; |
61 | enum wslay_frame_state istate; |
62 | size_t ireqread; |
63 | |
64 | uint8_t [14]; |
65 | uint8_t *; |
66 | uint8_t *; |
67 | uint64_t opayloadlen; |
68 | uint64_t opayloadoff; |
69 | uint8_t omask; |
70 | uint8_t omaskkey[4]; |
71 | enum wslay_frame_state ostate; |
72 | |
73 | struct wslay_frame_callbacks callbacks; |
74 | void *user_data; |
75 | }; |
76 | |
77 | #endif /* WSLAY_FRAME_H */ |
78 | |