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
|
#ifndef HEADER_CURL_WS_H
#define HEADER_CURL_WS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_WEBSOCKETS
#ifdef USE_HYPER
#define REQTYPE void
#else
#define REQTYPE struct dynbuf
#endif
/* this is the largest single fragment size we support */
#define MAX_WS_SIZE 65535
/* part of 'struct HTTP', when used in the 'struct SingleRequest' in the
Curl_easy struct */
struct websocket {
bool contfragment; /* set TRUE if the previous fragment sent was not final */
unsigned char mask[4]; /* 32 bit mask for this connection */
struct Curl_easy *data; /* used for write callback handling */
struct dynbuf buf;
size_t usedbuf; /* number of leading bytes in 'buf' the most recent complete
websocket frame uses */
struct curl_ws_frame frame; /* the struct used for frame state */
curl_off_t oleft; /* outstanding number of payload bytes left from the
server */
curl_off_t stillbuffer; /* number of bytes left in the buffer to deliver in
the next curl_ws_recv() call */
char *stillb; /* the stillbuffer pending bytes are here */
curl_off_t sleft; /* outstanding number of payload bytes left to send */
unsigned int xori; /* xor index */
};
CURLcode Curl_ws_request(struct Curl_easy *data, REQTYPE *req);
CURLcode Curl_ws_accept(struct Curl_easy *data);
size_t Curl_ws_writecb(char *buffer, size_t size, size_t nitems, void *userp);
void Curl_ws_done(struct Curl_easy *data);
#else
#define Curl_ws_request(x,y) CURLE_OK
#define Curl_ws_done(x) Curl_nop_stmt
#endif
#endif /* HEADER_CURL_WS_H */
|
