1#ifndef HEADER_CURL_HTTP2_H
2#define HEADER_CURL_HTTP2_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27#include "curl_setup.h"
28
29#ifdef USE_NGHTTP2
30#include "http.h"
31
32/* value for MAX_CONCURRENT_STREAMS we use until we get an updated setting
33 from the peer */
34#define DEFAULT_MAX_CONCURRENT_STREAMS 100
35
36/*
37 * Store nghttp2 version info in this buffer.
38 */
39void Curl_http2_ver(char *p, size_t len);
40
41const char *Curl_http2_strerror(uint32_t err);
42
43CURLcode Curl_http2_init(struct connectdata *conn);
44void Curl_http2_init_state(struct UrlState *state);
45void Curl_http2_init_userset(struct UserDefined *set);
46CURLcode Curl_http2_request_upgrade(struct dynbuf *req,
47 struct Curl_easy *data);
48CURLcode Curl_http2_setup(struct Curl_easy *data, struct connectdata *conn);
49CURLcode Curl_http2_switched(struct Curl_easy *data,
50 const char *ptr, size_t nread);
51/* called from http_setup_conn */
52void Curl_http2_setup_conn(struct connectdata *conn);
53void Curl_http2_setup_req(struct Curl_easy *data);
54void Curl_http2_done(struct Curl_easy *data, bool premature);
55CURLcode Curl_http2_done_sending(struct Curl_easy *data,
56 struct connectdata *conn);
57CURLcode Curl_http2_add_child(struct Curl_easy *parent,
58 struct Curl_easy *child,
59 bool exclusive);
60void Curl_http2_remove_child(struct Curl_easy *parent,
61 struct Curl_easy *child);
62void Curl_http2_cleanup_dependencies(struct Curl_easy *data);
63CURLcode Curl_http2_stream_pause(struct Curl_easy *data, bool pause);
64
65/* returns true if the HTTP/2 stream error was HTTP_1_1_REQUIRED */
66bool Curl_h2_http_1_1_error(struct Curl_easy *data);
67#else /* USE_NGHTTP2 */
68#define Curl_http2_request_upgrade(x,y) CURLE_UNSUPPORTED_PROTOCOL
69#define Curl_http2_setup(x,y) CURLE_UNSUPPORTED_PROTOCOL
70#define Curl_http2_switched(x,y,z) CURLE_UNSUPPORTED_PROTOCOL
71#define Curl_http2_setup_conn(x) Curl_nop_stmt
72#define Curl_http2_setup_req(x)
73#define Curl_http2_init_state(x)
74#define Curl_http2_init_userset(x)
75#define Curl_http2_done(x,y)
76#define Curl_http2_done_sending(x,y)
77#define Curl_http2_add_child(x, y, z)
78#define Curl_http2_remove_child(x, y)
79#define Curl_http2_cleanup_dependencies(x)
80#define Curl_http2_stream_pause(x, y)
81#define Curl_h2_http_1_1_error(x) 0
82#endif
83
84#endif /* HEADER_CURL_HTTP2_H */
85