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    1: #ifndef HEADER_CURL_ALTSVC_H
    2: #define HEADER_CURL_ALTSVC_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 2019 - 2020, 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.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: #include "curl_setup.h"
   25: 
   26: #if !defined(CURL_DISABLE_HTTP) && defined(USE_ALTSVC)
   27: #include <curl/curl.h>
   28: #include "llist.h"
   29: 
   30: enum alpnid {
   31:   ALPN_none = 0,
   32:   ALPN_h1 = CURLALTSVC_H1,
   33:   ALPN_h2 = CURLALTSVC_H2,
   34:   ALPN_h3 = CURLALTSVC_H3
   35: };
   36: 
   37: struct althost {
   38:   char *host;
   39:   unsigned short port;
   40:   enum alpnid alpnid;
   41: };
   42: 
   43: struct altsvc {
   44:   struct althost src;
   45:   struct althost dst;
   46:   time_t expires;
   47:   bool persist;
   48:   int prio;
   49:   struct curl_llist_element node;
   50: };
   51: 
   52: struct altsvcinfo {
   53:   char *filename;
   54:   struct curl_llist list; /* list of entries */
   55:   size_t num; /* number of alt-svc entries */
   56:   long flags; /* the publicly set bitmask */
   57: };
   58: 
   59: const char *Curl_alpnid2str(enum alpnid id);
   60: struct altsvcinfo *Curl_altsvc_init(void);
   61: CURLcode Curl_altsvc_load(struct altsvcinfo *asi, const char *file);
   62: CURLcode Curl_altsvc_save(struct Curl_easy *data,
   63:                           struct altsvcinfo *asi, const char *file);
   64: CURLcode Curl_altsvc_ctrl(struct altsvcinfo *asi, const long ctrl);
   65: void Curl_altsvc_cleanup(struct altsvcinfo *altsvc);
   66: CURLcode Curl_altsvc_parse(struct Curl_easy *data,
   67:                            struct altsvcinfo *altsvc, const char *value,
   68:                            enum alpnid srcalpn, const char *srchost,
   69:                            unsigned short srcport);
   70: bool Curl_altsvc_lookup(struct altsvcinfo *asi,
   71:                         enum alpnid srcalpnid, const char *srchost,
   72:                         int srcport,
   73:                         struct altsvc **dstentry,
   74:                         const int versions); /* CURLALTSVC_H* bits */
   75: #else
   76: /* disabled */
   77: #define Curl_altsvc_save(a,b,c)
   78: #endif /* CURL_DISABLE_HTTP || USE_ALTSVC */
   79: #endif /* HEADER_CURL_ALTSVC_H */