| #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 */ |