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comparison mupdf-source/thirdparty/curl/lib/conncache.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef HEADER_CURL_CONNCACHE_H
2 #define HEADER_CURL_CONNCACHE_H
3 /***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 2015 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
11 * Copyright (C) 2012 - 2014, Linus Nielsen Feltzing, <linus@haxx.se>
12 *
13 * This software is licensed as described in the file COPYING, which
14 * you should have received as part of this distribution. The terms
15 * are also available at https://curl.haxx.se/docs/copyright.html.
16 *
17 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
18 * copies of the Software, and permit persons to whom the Software is
19 * furnished to do so, under the terms of the COPYING file.
20 *
21 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22 * KIND, either express or implied.
23 *
24 ***************************************************************************/
25
26 /*
27 * All accesses to struct fields and changing of data in the connection cache
28 * and connectbundles must be done with the conncache LOCKED. The cache might
29 * be shared.
30 */
31
32 struct conncache {
33 struct curl_hash hash;
34 size_t num_conn;
35 long next_connection_id;
36 struct curltime last_cleanup;
37 /* handle used for closing cached connections */
38 struct Curl_easy *closure_handle;
39 };
40
41 #define BUNDLE_NO_MULTIUSE -1
42 #define BUNDLE_UNKNOWN 0 /* initial value */
43 #define BUNDLE_MULTIPLEX 2
44
45 struct connectbundle {
46 int multiuse; /* supports multi-use */
47 size_t num_connections; /* Number of connections in the bundle */
48 struct curl_llist conn_list; /* The connectdata members of the bundle */
49 };
50
51 /* returns 1 on error, 0 is fine */
52 int Curl_conncache_init(struct conncache *, int size);
53 void Curl_conncache_destroy(struct conncache *connc);
54
55 /* return the correct bundle, to a host or a proxy */
56 struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
57 struct conncache *connc,
58 const char **hostp);
59 void Curl_conncache_unlock(struct Curl_easy *data);
60 /* returns number of connections currently held in the connection cache */
61 size_t Curl_conncache_size(struct Curl_easy *data);
62 size_t Curl_conncache_bundle_size(struct connectdata *conn);
63
64 bool Curl_conncache_return_conn(struct connectdata *conn);
65 CURLcode Curl_conncache_add_conn(struct conncache *connc,
66 struct connectdata *conn) WARN_UNUSED_RESULT;
67 void Curl_conncache_remove_conn(struct Curl_easy *data,
68 struct connectdata *conn,
69 bool lock);
70 bool Curl_conncache_foreach(struct Curl_easy *data,
71 struct conncache *connc,
72 void *param,
73 int (*func)(struct connectdata *conn,
74 void *param));
75
76 struct connectdata *
77 Curl_conncache_find_first_connection(struct conncache *connc);
78
79 struct connectdata *
80 Curl_conncache_extract_bundle(struct Curl_easy *data,
81 struct connectbundle *bundle);
82 struct connectdata *
83 Curl_conncache_extract_oldest(struct Curl_easy *data);
84 void Curl_conncache_close_all_connections(struct conncache *connc);
85 void Curl_conncache_print(struct conncache *connc);
86
87 #endif /* HEADER_CURL_CONNCACHE_H */