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      1 #ifndef HEADER_CURL_HTTP2_H
      2 #define HEADER_CURL_HTTP2_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) 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.haxx.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 13
     33 
     34 /*
     35  * Store nghttp2 version info in this buffer, Prefix with a space.  Return
     36  * total length written.
     37  */
     38 int Curl_http2_ver(char *p, size_t len);
     39 
     40 const char *Curl_http2_strerror(uint32_t err);
     41 
     42 CURLcode Curl_http2_init(struct connectdata *conn);
     43 void Curl_http2_init_state(struct UrlState *state);
     44 void Curl_http2_init_userset(struct UserDefined *set);
     45 CURLcode Curl_http2_send_request(struct connectdata *conn);
     46 CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req,
     47                                     struct connectdata *conn);
     48 CURLcode Curl_http2_setup(struct connectdata *conn);
     49 CURLcode Curl_http2_switched(struct connectdata *conn,
     50                              const char *data, size_t nread);
     51 /* called from Curl_http_setup_conn */
     52 void Curl_http2_setup_conn(struct connectdata *conn);
     53 void Curl_http2_setup_req(struct Curl_easy *data);
     54 void Curl_http2_done(struct connectdata *conn, bool premature);
     55 CURLcode Curl_http2_done_sending(struct connectdata *conn);
     56 CURLcode Curl_http2_add_child(struct Curl_easy *parent,
     57                               struct Curl_easy *child,
     58                               bool exclusive);
     59 void Curl_http2_remove_child(struct Curl_easy *parent,
     60                              struct Curl_easy *child);
     61 void Curl_http2_cleanup_dependencies(struct Curl_easy *data);
     62 #else /* USE_NGHTTP2 */
     63 #define Curl_http2_init(x) CURLE_UNSUPPORTED_PROTOCOL
     64 #define Curl_http2_send_request(x) CURLE_UNSUPPORTED_PROTOCOL
     65 #define Curl_http2_request_upgrade(x,y) CURLE_UNSUPPORTED_PROTOCOL
     66 #define Curl_http2_setup(x) CURLE_UNSUPPORTED_PROTOCOL
     67 #define Curl_http2_switched(x,y,z) CURLE_UNSUPPORTED_PROTOCOL
     68 #define Curl_http2_setup_conn(x)
     69 #define Curl_http2_setup_req(x)
     70 #define Curl_http2_init_state(x)
     71 #define Curl_http2_init_userset(x)
     72 #define Curl_http2_done(x,y)
     73 #define Curl_http2_done_sending(x)
     74 #define Curl_http2_add_child(x, y, z)
     75 #define Curl_http2_remove_child(x, y)
     76 #define Curl_http2_cleanup_dependencies(x)
     77 #endif
     78 
     79 #endif /* HEADER_CURL_HTTP2_H */
     80 
     81