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#ifndef CURLINC_WEBSOCKETS_H
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#define CURLINC_WEBSOCKETS_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct curl_ws_frame {
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int age; /* zero */
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int flags; /* See the CURLWS_* defines */
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curl_off_t offset; /* the offset of this data into the frame */
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curl_off_t bytesleft; /* number of pending bytes left of the payload */
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size_t len; /* size of the current data chunk */
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};
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/* flag bits */
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#define CURLWS_TEXT (1<<0)
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#define CURLWS_BINARY (1<<1)
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#define CURLWS_CONT (1<<2)
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#define CURLWS_CLOSE (1<<3)
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#define CURLWS_PING (1<<4)
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#define CURLWS_OFFSET (1<<5)
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/*
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* NAME curl_ws_recv()
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*
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* DESCRIPTION
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*
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* Receives data from the websocket connection. Use after successful
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* curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
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*/
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CURL_EXTERN CURLcode curl_ws_recv(CURL *curl, void *buffer, size_t buflen,
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size_t *recv,
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const struct curl_ws_frame **metap);
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/* flags for curl_ws_send() */
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#define CURLWS_PONG (1<<6)
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/*
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* NAME curl_ws_send()
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*
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* DESCRIPTION
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*
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* Sends data over the websocket connection. Use after successful
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* curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
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*/
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CURL_EXTERN CURLcode curl_ws_send(CURL *curl, const void *buffer,
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size_t buflen, size_t *sent,
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curl_off_t fragsize,
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unsigned int flags);
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/* bits for the CURLOPT_WS_OPTIONS bitmask: */
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#define CURLWS_RAW_MODE (1<<0)
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CURL_EXTERN const struct curl_ws_frame *curl_ws_meta(CURL *curl);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CURLINC_WEBSOCKETS_H */
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