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

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
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef HEADER_CURL_MULTIHANDLE_H
2 #define HEADER_CURL_MULTIHANDLE_H
3 /***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2019, 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
25 #include "conncache.h"
26 #include "psl.h"
27
28 struct Curl_message {
29 struct curl_llist_element list;
30 /* the 'CURLMsg' is the part that is visible to the external user */
31 struct CURLMsg extmsg;
32 };
33
34 /* NOTE: if you add a state here, add the name to the statename[] array as
35 well!
36 */
37 typedef enum {
38 CURLM_STATE_INIT, /* 0 - start in this state */
39 CURLM_STATE_CONNECT_PEND, /* 1 - no connections, waiting for one */
40 CURLM_STATE_CONNECT, /* 2 - resolve/connect has been sent off */
41 CURLM_STATE_WAITRESOLVE, /* 3 - awaiting the resolve to finalize */
42 CURLM_STATE_WAITCONNECT, /* 4 - awaiting the TCP connect to finalize */
43 CURLM_STATE_WAITPROXYCONNECT, /* 5 - awaiting HTTPS proxy SSL initialization
44 to complete and/or proxy CONNECT to
45 finalize */
46 CURLM_STATE_SENDPROTOCONNECT, /* 6 - initiate protocol connect procedure */
47 CURLM_STATE_PROTOCONNECT, /* 7 - completing the protocol-specific connect
48 phase */
49 CURLM_STATE_DO, /* 8 - start send off the request (part 1) */
50 CURLM_STATE_DOING, /* 9 - sending off the request (part 1) */
51 CURLM_STATE_DO_MORE, /* 10 - send off the request (part 2) */
52 CURLM_STATE_DO_DONE, /* 11 - done sending off request */
53 CURLM_STATE_PERFORM, /* 12 - transfer data */
54 CURLM_STATE_TOOFAST, /* 13 - wait because limit-rate exceeded */
55 CURLM_STATE_DONE, /* 14 - post data transfer operation */
56 CURLM_STATE_COMPLETED, /* 15 - operation complete */
57 CURLM_STATE_MSGSENT, /* 16 - the operation complete message is sent */
58 CURLM_STATE_LAST /* 17 - not a true state, never use this */
59 } CURLMstate;
60
61 /* we support N sockets per easy handle. Set the corresponding bit to what
62 action we should wait for */
63 #define MAX_SOCKSPEREASYHANDLE 5
64 #define GETSOCK_READABLE (0x00ff)
65 #define GETSOCK_WRITABLE (0xff00)
66
67 #define CURLPIPE_ANY (CURLPIPE_MULTIPLEX)
68
69 /* This is the struct known as CURLM on the outside */
70 struct Curl_multi {
71 /* First a simple identifier to easier detect if a user mix up
72 this multi handle with an easy handle. Set this to CURL_MULTI_HANDLE. */
73 long type;
74
75 /* We have a doubly-linked circular list with easy handles */
76 struct Curl_easy *easyp;
77 struct Curl_easy *easylp; /* last node */
78
79 int num_easy; /* amount of entries in the linked list above. */
80 int num_alive; /* amount of easy handles that are added but have not yet
81 reached COMPLETE state */
82
83 struct curl_llist msglist; /* a list of messages from completed transfers */
84
85 struct curl_llist pending; /* Curl_easys that are in the
86 CURLM_STATE_CONNECT_PEND state */
87
88 /* callback function and user data pointer for the *socket() API */
89 curl_socket_callback socket_cb;
90 void *socket_userp;
91
92 /* callback function and user data pointer for server push */
93 curl_push_callback push_cb;
94 void *push_userp;
95
96 /* Hostname cache */
97 struct curl_hash hostcache;
98
99 #ifdef USE_LIBPSL
100 /* PSL cache. */
101 struct PslCache psl;
102 #endif
103
104 /* timetree points to the splay-tree of time nodes to figure out expire
105 times of all currently set timers */
106 struct Curl_tree *timetree;
107
108 /* 'sockhash' is the lookup hash for socket descriptor => easy handles (note
109 the pluralis form, there can be more than one easy handle waiting on the
110 same actual socket) */
111 struct curl_hash sockhash;
112
113 /* multiplexing wanted */
114 bool multiplexing;
115
116 bool recheckstate; /* see Curl_multi_connchanged */
117
118 /* Shared connection cache (bundles)*/
119 struct conncache conn_cache;
120
121 long maxconnects; /* if >0, a fixed limit of the maximum number of entries
122 we're allowed to grow the connection cache to */
123
124 long max_host_connections; /* if >0, a fixed limit of the maximum number
125 of connections per host */
126
127 long max_total_connections; /* if >0, a fixed limit of the maximum number
128 of connections in total */
129
130 /* timer callback and user data pointer for the *socket() API */
131 curl_multi_timer_callback timer_cb;
132 void *timer_userp;
133 struct curltime timer_lastcall; /* the fixed time for the timeout for the
134 previous callback */
135 bool in_callback; /* true while executing a callback */
136 };
137
138 #endif /* HEADER_CURL_MULTIHANDLE_H */