1 #ifndef HEADER_CURL_MULTIIF_H 2 #define HEADER_CURL_MULTIIF_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 /* 26 * Prototypes for library-wide functions provided by multi.c 27 */ 28 29 void Curl_updatesocket(struct Curl_easy *data); 30 void Curl_expire(struct Curl_easy *data, timediff_t milli, expire_id); 31 void Curl_expire_clear(struct Curl_easy *data); 32 void Curl_expire_done(struct Curl_easy *data, expire_id id); 33 void Curl_update_timer(struct Curl_multi *multi); 34 void Curl_attach_connnection(struct Curl_easy *data, 35 struct connectdata *conn); 36 bool Curl_multiplex_wanted(const struct Curl_multi *multi); 37 void Curl_set_in_callback(struct Curl_easy *data, bool value); 38 bool Curl_is_in_callback(struct Curl_easy *easy); 39 40 /* Internal version of curl_multi_init() accepts size parameters for the 41 socket and connection hashes */ 42 struct Curl_multi *Curl_multi_handle(int hashsize, int chashsize); 43 44 /* the write bits start at bit 16 for the *getsock() bitmap */ 45 #define GETSOCK_WRITEBITSTART 16 46 47 #define GETSOCK_BLANK 0 /* no bits set */ 48 49 /* set the bit for the given sock number to make the bitmap for writable */ 50 #define GETSOCK_WRITESOCK(x) (1 << (GETSOCK_WRITEBITSTART + (x))) 51 52 /* set the bit for the given sock number to make the bitmap for readable */ 53 #define GETSOCK_READSOCK(x) (1 << (x)) 54 55 #ifdef DEBUGBUILD 56 /* 57 * Curl_multi_dump is not a stable public function, this is only meant to 58 * allow easier tracking of the internal handle's state and what sockets 59 * they use. Only for research and development DEBUGBUILD enabled builds. 60 */ 61 void Curl_multi_dump(struct Curl_multi *multi); 62 #endif 63 64 /* Return the value of the CURLMOPT_MAX_HOST_CONNECTIONS option */ 65 size_t Curl_multi_max_host_connections(struct Curl_multi *multi); 66 67 /* Return the value of the CURLMOPT_MAX_TOTAL_CONNECTIONS option */ 68 size_t Curl_multi_max_total_connections(struct Curl_multi *multi); 69 70 void Curl_multiuse_state(struct connectdata *conn, 71 int bundlestate); /* use BUNDLE_* defines */ 72 73 /* 74 * Curl_multi_closed() 75 * 76 * Used by the connect code to tell the multi_socket code that one of the 77 * sockets we were using is about to be closed. This function will then 78 * remove it from the sockethash for this handle to make the multi_socket API 79 * behave properly, especially for the case when libcurl will create another 80 * socket again and it gets the same file descriptor number. 81 */ 82 83 void Curl_multi_closed(struct Curl_easy *data, curl_socket_t s); 84 85 /* 86 * Add a handle and move it into PERFORM state at once. For pushed streams. 87 */ 88 CURLMcode Curl_multi_add_perform(struct Curl_multi *multi, 89 struct Curl_easy *data, 90 struct connectdata *conn); 91 92 93 /* Return the value of the CURLMOPT_MAX_CONCURRENT_STREAMS option 94 * If not specified or 0, default would be 100 95 */ 96 size_t Curl_multi_max_concurrent_streams(struct Curl_multi *multi); 97 98 #endif /* HEADER_CURL_MULTIIF_H */ 99