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#ifndef CURLINC_WEBSOCKETS_H
#define CURLINC_WEBSOCKETS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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 */
size_t len; /* size of the current data chunk */
};
/* 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,
const struct curl_ws_frame **metap);
/* flags for curl_ws_send() */
#define CURLWS_PONG (1<<6)
/*
* NAME curl_ws_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 fragsize,
unsigned int flags);
/* bits for the CURLOPT_WS_OPTIONS bitmask: */
#define CURLWS_RAW_MODE (1<<0)
CURL_EXTERN const struct curl_ws_frame *curl_ws_meta(CURL *curl);
#ifdef __cplusplus
}
#endif
#endif /* CURLINC_WEBSOCKETS_H */
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