|
|
|
|
#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 */
|
|
|
|
|
size_t stillblen; /* number of bytes left in the buffer to deliver in
|
|
|
|
|
the next curl_ws_recv() call */
|
|
|
|
|
char *stillb; /* the stillblen 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 */
|
