1#ifndef HEADER_CURL_HTTP2_H
2#define HEADER_CURL_HTTP2_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, 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 ***************************************************************************/
24
25#include "curl_setup.h"
26
27#ifdef USE_NGHTTP2
28#include "http.h"
29
30/* value for MAX_CONCURRENT_STREAMS we use until we get an updated setting
31 from the peer */
32#define DEFAULT_MAX_CONCURRENT_STREAMS 100
33
34/*
35 * Store nghttp2 version info in this buffer.
36 */
37void Curl_http2_ver(char *p, size_t len);
38
39const char *Curl_http2_strerror(uint32_t err);
40
41CURLcode Curl_http2_init(struct connectdata *conn);
42void Curl_http2_init_state(struct UrlState *state);
43void Curl_http2_init_userset(struct UserDefined *set);
44CURLcode Curl_http2_request_upgrade(struct dynbuf *req,
45 struct Curl_easy *data);
46CURLcode Curl_http2_setup(struct Curl_easy *data, struct connectdata *conn);
47CURLcode Curl_http2_switched(struct Curl_easy *data,
48 const char *ptr, size_t nread);
49/* called from http_setup_conn */
50void Curl_http2_setup_conn(struct connectdata *conn);
51void Curl_http2_setup_req(struct Curl_easy *data);
52void Curl_http2_done(struct Curl_easy *data, bool premature);
53CURLcode Curl_http2_done_sending(struct Curl_easy *data,
54 struct connectdata *conn);
55CURLcode Curl_http2_add_child(struct Curl_easy *parent,
56 struct Curl_easy *child,
57 bool exclusive);
58void Curl_http2_remove_child(struct Curl_easy *parent,
59 struct Curl_easy *child);
60void Curl_http2_cleanup_dependencies(struct Curl_easy *data);
61CURLcode Curl_http2_stream_pause(struct Curl_easy *data, bool pause);
62
63/* returns true if the HTTP/2 stream error was HTTP_1_1_REQUIRED */
64bool Curl_h2_http_1_1_error(struct Curl_easy *data);
65#else /* USE_NGHTTP2 */
66#define Curl_http2_request_upgrade(x,y) CURLE_UNSUPPORTED_PROTOCOL
67#define Curl_http2_setup(x,y) CURLE_UNSUPPORTED_PROTOCOL
68#define Curl_http2_switched(x,y,z) CURLE_UNSUPPORTED_PROTOCOL
69#define Curl_http2_setup_conn(x) Curl_nop_stmt
70#define Curl_http2_setup_req(x)
71#define Curl_http2_init_state(x)
72#define Curl_http2_init_userset(x)
73#define Curl_http2_done(x,y)
74#define Curl_http2_done_sending(x,y)
75#define Curl_http2_add_child(x, y, z)
76#define Curl_http2_remove_child(x, y)
77#define Curl_http2_cleanup_dependencies(x)
78#define Curl_http2_stream_pause(x, y)
79#define Curl_h2_http_1_1_error(x) 0
80#endif
81
82#endif /* HEADER_CURL_HTTP2_H */
83