| #ifndef CURLINC_WEBSOCKETS_H | 
 | #define CURLINC_WEBSOCKETS_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 | 
 |  * | 
 |  ***************************************************************************/ | 
 |  | 
 | #ifdef  __cplusplus | 
 | extern "C" { | 
 | #endif | 
 |  | 
 | struct curl_ws_frame { | 
 |   int age;              /* zero */ | 
 |   int flags;            /* See the CURLWS_* defines */ | 
 |   curl_off_t offset;    /* the offset of this data into the frame */ | 
 |   curl_off_t bytesleft; /* number of pending bytes left of the payload */ | 
 | }; | 
 |  | 
 | /* flag bits */ | 
 | #define CURLWS_TEXT       (1<<0) | 
 | #define CURLWS_BINARY     (1<<1) | 
 | #define CURLWS_CONT       (1<<2) | 
 | #define CURLWS_CLOSE      (1<<3) | 
 | #define CURLWS_PING       (1<<4) | 
 | #define CURLWS_OFFSET     (1<<5) | 
 |  | 
 | /* | 
 |  * NAME curl_ws_recv() | 
 |  * | 
 |  * DESCRIPTION | 
 |  * | 
 |  * Receives data from the websocket connection. Use after successful | 
 |  * curl_easy_perform() with CURLOPT_CONNECT_ONLY option. | 
 |  */ | 
 | CURL_EXTERN CURLcode curl_ws_recv(CURL *curl, void *buffer, size_t buflen, | 
 |                                   size_t *recv, | 
 |                                   struct curl_ws_frame **metap); | 
 |  | 
 | /* sendflags for curl_ws_send() */ | 
 | #define CURLWS_PONG       (1<<6) | 
 |  | 
 | /* | 
 |  * NAME curl_easy_send() | 
 |  * | 
 |  * DESCRIPTION | 
 |  * | 
 |  * Sends data over the websocket connection. Use after successful | 
 |  * curl_easy_perform() with CURLOPT_CONNECT_ONLY option. | 
 |  */ | 
 | CURL_EXTERN CURLcode curl_ws_send(CURL *curl, const void *buffer, | 
 |                                   size_t buflen, size_t *sent, | 
 |                                   curl_off_t framesize, | 
 |                                   unsigned int sendflags); | 
 |  | 
 | /* bits for the CURLOPT_WS_OPTIONS bitmask: */ | 
 | #define CURLWS_RAW_MODE (1<<0) | 
 |  | 
 | CURL_EXTERN struct curl_ws_frame *curl_ws_meta(CURL *curl); | 
 |  | 
 | #ifdef  __cplusplus | 
 | } | 
 | #endif | 
 |  | 
 | #endif /* CURLINC_WEBSOCKETS_H */ |